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-rw-r--r--Documentation/ABI/testing/sysfs-kernel-slab479
-rw-r--r--Documentation/filesystems/tmpfs.txt2
-rw-r--r--Documentation/hwmon/sysfs-interface6
-rw-r--r--Documentation/input/multi-touch-protocol.txt103
-rw-r--r--Documentation/kernel-parameters.txt4
-rw-r--r--Documentation/sound/alsa/HD-Audio-Models.txt1
-rw-r--r--Documentation/sound/alsa/Procfile.txt5
-rw-r--r--MAINTAINERS42
-rw-r--r--Makefile4
-rw-r--r--arch/arm/Kconfig6
-rw-r--r--arch/arm/common/gic.c4
-rw-r--r--arch/arm/include/asm/assembler.h13
-rw-r--r--arch/arm/include/asm/atomic.h61
-rw-r--r--arch/arm/include/asm/flat.h3
-rw-r--r--arch/arm/include/asm/hardware/gic.h2
-rw-r--r--arch/arm/include/asm/smp.h12
-rw-r--r--arch/arm/include/asm/system.h176
-rw-r--r--arch/arm/kernel/elf.c9
-rw-r--r--arch/arm/kernel/entry-armv.S5
-rw-r--r--arch/arm/kernel/smp.c46
-rw-r--r--arch/arm/lib/bitops.h2
-rw-r--r--arch/arm/mach-ep93xx/clock.c69
-rw-r--r--arch/arm/mach-ep93xx/include/mach/ep93xx-regs.h5
-rw-r--r--arch/arm/mach-gemini/include/mach/hardware.h3
-rw-r--r--arch/arm/mach-integrator/core.c2
-rw-r--r--arch/arm/mach-kirkwood/common.c8
-rw-r--r--arch/arm/mach-kirkwood/ts219-setup.c6
-rw-r--r--arch/arm/mach-l7200/include/mach/sys-clock.h2
-rw-r--r--arch/arm/mach-loki/common.c6
-rw-r--r--arch/arm/mach-mmp/include/mach/mfp-pxa168.h5
-rw-r--r--arch/arm/mach-mmp/include/mach/mfp-pxa910.h5
-rw-r--r--arch/arm/mach-mmp/include/mach/mfp.h9
-rw-r--r--arch/arm/mach-mmp/time.c2
-rw-r--r--arch/arm/mach-mv78xx0/common.c16
-rw-r--r--arch/arm/mach-omap2/clock24xx.c10
-rw-r--r--arch/arm/mach-omap2/clock34xx.c12
-rw-r--r--arch/arm/mach-omap2/clock34xx.h12
-rw-r--r--arch/arm/mach-omap2/devices.c6
-rw-r--r--arch/arm/mach-omap2/prm-regbits-34xx.h2
-rw-r--r--arch/arm/mach-omap2/usb-tusb6010.c2
-rw-r--r--arch/arm/mach-orion5x/common.c5
-rw-r--r--arch/arm/mach-pxa/ezx.c36
-rw-r--r--arch/arm/mach-pxa/include/mach/reset.h5
-rw-r--r--arch/arm/mach-pxa/mfp-pxa2xx.c6
-rw-r--r--arch/arm/mach-pxa/palmld.c2
-rw-r--r--arch/arm/mach-pxa/palmt5.c1
-rw-r--r--arch/arm/mach-pxa/palmtx.c1
-rw-r--r--arch/arm/mach-pxa/reset.c4
-rw-r--r--arch/arm/mach-pxa/spitz.c8
-rw-r--r--arch/arm/mach-pxa/tosa.c2
-rw-r--r--arch/arm/mach-pxa/viper.c1
-rw-r--r--arch/arm/mach-realview/core.c8
-rw-r--r--arch/arm/mach-realview/include/mach/smp.h11
-rw-r--r--arch/arm/mach-realview/localtimer.c6
-rw-r--r--arch/arm/mach-realview/platsmp.c15
-rw-r--r--arch/arm/mach-s3c2410/mach-bast.c3
-rw-r--r--arch/arm/mach-versatile/core.c2
-rw-r--r--arch/arm/nwfpe/fpa11.h4
-rw-r--r--arch/arm/nwfpe/fpa11_cprt.c4
-rw-r--r--arch/arm/nwfpe/softfloat.h2
-rw-r--r--arch/arm/plat-omap/fb.c5
-rw-r--r--arch/arm/plat-omap/gpio.c2
-rw-r--r--arch/arm/plat-s3c/clock.c2
-rw-r--r--arch/arm/plat-s3c24xx/dma.c2
-rw-r--r--arch/arm/plat-s3c64xx/gpiolib.c2
-rw-r--r--arch/arm/plat-s3c64xx/include/plat/gpio-bank-h.h20
-rw-r--r--arch/arm/tools/mach-types131
-rw-r--r--arch/blackfin/include/asm/.gitignore1
-rw-r--r--arch/blackfin/include/asm/flat.h1
-rw-r--r--arch/blackfin/include/asm/unistd.h4
-rw-r--r--arch/blackfin/kernel/.gitignore1
-rw-r--r--arch/blackfin/lib/strncmp.c3
-rw-r--r--arch/blackfin/mach-common/entry.S2
-rw-r--r--arch/h8300/include/asm/flat.h1
-rw-r--r--arch/m32r/include/asm/flat.h1
-rw-r--r--arch/m68k/include/asm/flat.h1
-rw-r--r--arch/microblaze/configs/nommu_defconfig50
-rw-r--r--arch/microblaze/kernel/intc.c4
-rw-r--r--arch/mips/Makefile6
-rw-r--r--arch/mips/include/asm/uaccess.h2
-rw-r--r--arch/mips/mm/tlb-r3k.c6
-rw-r--r--arch/mips/mm/tlb-r4k.c6
-rw-r--r--arch/mips/mm/tlb-r8k.c3
-rw-r--r--arch/mips/sgi-ip22/ip22-reset.c2
-rw-r--r--arch/mips/sgi-ip32/ip32-reset.c9
-rw-r--r--arch/powerpc/Kconfig12
-rw-r--r--arch/powerpc/configs/ps3_defconfig105
-rw-r--r--arch/powerpc/include/asm/dma-mapping.h6
-rw-r--r--arch/powerpc/include/asm/fixmap.h4
-rw-r--r--arch/powerpc/include/asm/pgtable-ppc32.h26
-rw-r--r--arch/powerpc/kernel/dma.c2
-rw-r--r--arch/powerpc/kernel/ftrace.c22
-rw-r--r--arch/powerpc/kernel/vmlinux.lds.S1
-rw-r--r--arch/powerpc/lib/Makefile1
-rw-r--r--arch/powerpc/lib/dma-noncoherent.c237
-rw-r--r--arch/powerpc/mm/Makefile1
-rw-r--r--arch/powerpc/mm/dma-noncoherent.c400
-rw-r--r--arch/powerpc/mm/init_32.c8
-rw-r--r--arch/powerpc/mm/mem.c17
-rw-r--r--arch/powerpc/mm/mmu_context_nohash.c6
-rw-r--r--arch/powerpc/mm/pgtable.c3
-rw-r--r--arch/powerpc/mm/pgtable_32.c2
-rw-r--r--arch/powerpc/platforms/maple/pci.c14
-rw-r--r--arch/sh/boards/board-ap325rxa.c3
-rw-r--r--arch/sh/include/asm/flat.h1
-rw-r--r--arch/sparc/include/asm/elf_64.h5
-rw-r--r--arch/sparc/lib/csum_copy_from_user.S2
-rw-r--r--arch/sparc/lib/csum_copy_to_user.S2
-rw-r--r--arch/x86/Kconfig13
-rw-r--r--arch/x86/boot/compressed/relocs.c7
-rw-r--r--arch/x86/boot/memory.c29
-rw-r--r--arch/x86/include/asm/paravirt.h2
-rw-r--r--arch/x86/include/asm/percpu.h10
-rw-r--r--arch/x86/include/asm/ptrace.h7
-rw-r--r--arch/x86/include/asm/spinlock.h4
-rw-r--r--arch/x86/kernel/Makefile3
-rw-r--r--arch/x86/kernel/apic/es7000_32.c8
-rw-r--r--arch/x86/kernel/cpu/common.c7
-rw-r--r--arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c4
-rw-r--r--arch/x86/kernel/cpu/cpufreq/p4-clockmod.c1
-rw-r--r--arch/x86/kernel/cpu/cpufreq/powernow-k7.c2
-rw-r--r--arch/x86/kernel/cpu/cpufreq/powernow-k8.c42
-rw-r--r--arch/x86/kernel/cpu/mtrr/generic.c6
-rw-r--r--arch/x86/kernel/ftrace.c2
-rw-r--r--arch/x86/kernel/paravirt.c2
-rw-r--r--arch/x86/kernel/reboot.c8
-rw-r--r--arch/x86/kernel/setup_percpu.c4
-rw-r--r--arch/x86/kvm/mmu.c3
-rw-r--r--arch/x86/kvm/x86.c6
-rw-r--r--arch/x86/mm/hugetlbpage.c6
-rw-r--r--arch/x86/mm/pageattr.c13
-rw-r--r--arch/x86/oprofile/backtrace.c2
-rw-r--r--arch/x86/xen/Makefile5
-rw-r--r--arch/x86/xen/mmu.c1
-rw-r--r--arch/x86/xen/xen-ops.h19
-rw-r--r--crypto/ahash.c7
-rw-r--r--crypto/api.c3
-rw-r--r--crypto/eseqiv.c3
-rw-r--r--drivers/acpi/pci_bind.c24
-rw-r--r--drivers/acpi/processor_idle.c8
-rw-r--r--drivers/acpi/processor_perflib.c12
-rw-r--r--drivers/acpi/processor_throttling.c2
-rw-r--r--drivers/acpi/video.c18
-rw-r--r--drivers/base/bus.c4
-rw-r--r--drivers/base/core.c5
-rw-r--r--drivers/base/driver.c4
-rw-r--r--drivers/base/power/main.c4
-rw-r--r--drivers/block/xen-blkfront.c10
-rw-r--r--drivers/cdrom/viocd.c2
-rw-r--r--drivers/char/ipmi/ipmi_msghandler.c13
-rw-r--r--drivers/char/random.c2
-rw-r--r--drivers/char/tpm/tpm_bios.c3
-rw-r--r--drivers/cpufreq/cpufreq.c4
-rw-r--r--drivers/cpufreq/cpufreq_conservative.c5
-rw-r--r--drivers/cpufreq/cpufreq_ondemand.c5
-rw-r--r--drivers/crypto/ixp4xx_crypto.c33
-rw-r--r--drivers/crypto/padlock-aes.c2
-rw-r--r--drivers/dma/fsldma.c71
-rw-r--r--drivers/dma/ioat_dma.c2
-rw-r--r--drivers/edac/Kconfig8
-rw-r--r--drivers/edac/Makefile2
-rw-r--r--drivers/edac/amd8111_edac.c4
-rw-r--r--drivers/edac/amd8131_edac.c2
-rw-r--r--drivers/gpu/drm/Kconfig14
-rw-r--r--drivers/gpu/drm/drm_bufs.c8
-rw-r--r--drivers/gpu/drm/drm_drv.c2
-rw-r--r--drivers/gpu/drm/i915/i915_drv.h3
-rw-r--r--drivers/gpu/drm/i915/i915_gem.c65
-rw-r--r--drivers/gpu/drm/i915/i915_gem_tiling.c14
-rw-r--r--drivers/gpu/drm/i915/i915_reg.h20
-rw-r--r--drivers/gpu/drm/i915/intel_bios.c102
-rw-r--r--drivers/gpu/drm/i915/intel_bios.h17
-rw-r--r--drivers/gpu/drm/i915/intel_crt.c149
-rw-r--r--drivers/gpu/drm/i915/intel_display.c26
-rw-r--r--drivers/gpu/drm/i915/intel_lvds.c4
-rw-r--r--drivers/gpu/drm/i915/intel_sdvo.c137
-rw-r--r--drivers/hwmon/lm78.c2
-rw-r--r--drivers/ide/ide-io.c4
-rw-r--r--drivers/ide/ide-iops.c21
-rw-r--r--drivers/ide/ide-lib.c27
-rw-r--r--drivers/ide/ide-pci-generic.c11
-rw-r--r--drivers/ide/ide-probe.c9
-rw-r--r--drivers/ide/via82cxxx.c2
-rw-r--r--drivers/idle/i7300_idle.c6
-rw-r--r--drivers/input/input.c1
-rw-r--r--drivers/input/serio/ambakmi.c2
-rw-r--r--drivers/input/serio/libps2.c2
-rw-r--r--drivers/input/touchscreen/ucb1400_ts.c2
-rw-r--r--drivers/lguest/x86/core.c19
-rw-r--r--drivers/md/bitmap.c13
-rw-r--r--drivers/md/md.c31
-rw-r--r--drivers/md/raid5.c6
-rw-r--r--drivers/mfd/pcf50633-core.c2
-rw-r--r--drivers/mfd/wm8350-core.c8
-rw-r--r--drivers/misc/enclosure.c6
-rw-r--r--drivers/mmc/host/mmci.c2
-rw-r--r--drivers/mtd/devices/mtd_dataflash.c2
-rw-r--r--drivers/mtd/nand/mxc_nand.c43
-rw-r--r--drivers/oprofile/cpu_buffer.c8
-rw-r--r--drivers/parport/parport_gsc.c4
-rw-r--r--drivers/pci/hotplug/acpiphp.h1
-rw-r--r--drivers/pci/hotplug/acpiphp_glue.c63
-rw-r--r--drivers/pci/pci.c3
-rw-r--r--drivers/regulator/da903x.c2
-rw-r--r--drivers/rtc/rtc-pl030.c2
-rw-r--r--drivers/rtc/rtc-pl031.c2
-rw-r--r--drivers/scsi/3w-9xxx.c3
-rw-r--r--drivers/scsi/3w-xxxx.c5
-rw-r--r--drivers/scsi/3w-xxxx.h2
-rw-r--r--drivers/scsi/Kconfig11
-rw-r--r--drivers/scsi/Makefile1
-rw-r--r--drivers/scsi/fnic/Makefile15
-rw-r--r--drivers/scsi/fnic/cq_desc.h78
-rw-r--r--drivers/scsi/fnic/cq_enet_desc.h167
-rw-r--r--drivers/scsi/fnic/cq_exch_desc.h182
-rw-r--r--drivers/scsi/fnic/fcpio.h780
-rw-r--r--drivers/scsi/fnic/fnic.h265
-rw-r--r--drivers/scsi/fnic/fnic_attrs.c56
-rw-r--r--drivers/scsi/fnic/fnic_fcs.c742
-rw-r--r--drivers/scsi/fnic/fnic_io.h67
-rw-r--r--drivers/scsi/fnic/fnic_isr.c332
-rw-r--r--drivers/scsi/fnic/fnic_main.c942
-rw-r--r--drivers/scsi/fnic/fnic_res.c444
-rw-r--r--drivers/scsi/fnic/fnic_res.h197
-rw-r--r--drivers/scsi/fnic/fnic_scsi.c1850
-rw-r--r--drivers/scsi/fnic/rq_enet_desc.h58
-rw-r--r--drivers/scsi/fnic/vnic_cq.c85
-rw-r--r--drivers/scsi/fnic/vnic_cq.h121
-rw-r--r--drivers/scsi/fnic/vnic_cq_copy.h62
-rw-r--r--drivers/scsi/fnic/vnic_dev.c690
-rw-r--r--drivers/scsi/fnic/vnic_dev.h161
-rw-r--r--drivers/scsi/fnic/vnic_devcmd.h281
-rw-r--r--drivers/scsi/fnic/vnic_intr.c60
-rw-r--r--drivers/scsi/fnic/vnic_intr.h118
-rw-r--r--drivers/scsi/fnic/vnic_nic.h69
-rw-r--r--drivers/scsi/fnic/vnic_resource.h61
-rw-r--r--drivers/scsi/fnic/vnic_rq.c196
-rw-r--r--drivers/scsi/fnic/vnic_rq.h235
-rw-r--r--drivers/scsi/fnic/vnic_scsi.h99
-rw-r--r--drivers/scsi/fnic/vnic_stats.h68
-rw-r--r--drivers/scsi/fnic/vnic_wq.c182
-rw-r--r--drivers/scsi/fnic/vnic_wq.h175
-rw-r--r--drivers/scsi/fnic/vnic_wq_copy.c117
-rw-r--r--drivers/scsi/fnic/vnic_wq_copy.h128
-rw-r--r--drivers/scsi/fnic/wq_enet_desc.h96
-rw-r--r--drivers/scsi/mpt2sas/mpt2sas_base.h2
-rw-r--r--drivers/scsi/scsi_scan.c1
-rw-r--r--drivers/scsi/scsi_transport_iscsi.c2
-rw-r--r--drivers/serial/8250.c15
-rw-r--r--drivers/serial/8250_gsc.c4
-rw-r--r--drivers/serial/amba-pl010.c2
-rw-r--r--drivers/serial/amba-pl011.c2
-rw-r--r--drivers/serial/icom.c2
-rw-r--r--drivers/serial/mpc52xx_uart.c2
-rw-r--r--drivers/usb/Makefile1
-rw-r--r--drivers/usb/class/cdc-acm.c3
-rw-r--r--drivers/usb/gadget/atmel_usba_udc.c5
-rw-r--r--drivers/usb/host/isp1760-hcd.c24
-rw-r--r--drivers/usb/serial/ftdi_sio.c9
-rw-r--r--drivers/usb/serial/usb-serial.c1
-rw-r--r--drivers/video/amba-clcd.c2
-rw-r--r--drivers/video/atmel_lcdfb.c10
-rw-r--r--drivers/video/omap/dispc.c14
-rw-r--r--drivers/video/omap/rfbi.c8
-rw-r--r--drivers/video/s3c-fb.c12
-rw-r--r--drivers/video/sh_mobile_lcdcfb.c7
-rw-r--r--fs/binfmt_flat.c46
-rw-r--r--fs/cachefiles/internal.h18
-rw-r--r--fs/cifs/cifssmb.c2
-rw-r--r--fs/cifs/dir.c51
-rw-r--r--fs/cifs/file.c66
-rw-r--r--fs/cifs/link.c52
-rw-r--r--fs/fscache/internal.h18
-rw-r--r--fs/jffs2/erase.c7
-rw-r--r--fs/nfs/dir.c3
-rw-r--r--fs/nfs/nfs4proc.c9
-rw-r--r--fs/nfs/nfsroot.c2
-rw-r--r--fs/nfsd/vfs.c6
-rw-r--r--fs/nilfs2/cpfile.c6
-rw-r--r--fs/nilfs2/ioctl.c2
-rw-r--r--fs/proc/base.c2
-rw-r--r--fs/reiserfs/super.c2
-rw-r--r--fs/reiserfs/xattr.c81
-rw-r--r--fs/sysfs/file.c2
-rw-r--r--fs/xfs/linux-2.6/kmem.h2
-rw-r--r--fs/xfs/xfs_dfrag.c8
-rw-r--r--fs/xfs/xfs_fsops.c2
-rw-r--r--include/asm-generic/local.h2
-rw-r--r--include/drm/drmP.h24
-rw-r--r--include/linux/amba/bus.h2
-rw-r--r--include/linux/auto_fs.h3
-rw-r--r--include/linux/cred.h1
-rw-r--r--include/linux/i7300_idle.h20
-rw-r--r--include/linux/ide.h2
-rw-r--r--include/linux/input.h1
-rw-r--r--include/linux/mmzone.h26
-rw-r--r--include/linux/net_dropmon.h1
-rw-r--r--include/linux/pci_ids.h2
-rw-r--r--include/linux/reiserfs_xattr.h4
-rw-r--r--include/linux/swap.h5
-rw-r--r--include/scsi/scsi_transport_fc.h4
-rw-r--r--init/main.c3
-rw-r--r--kernel/async.c20
-rw-r--r--kernel/futex.c24
-rw-r--r--kernel/kexec.c2
-rw-r--r--kernel/kmod.c4
-rw-r--r--kernel/lockdep_internals.h4
-rw-r--r--kernel/power/disk.c25
-rw-r--r--kernel/power/main.c7
-rw-r--r--kernel/sched_clock.c3
-rw-r--r--kernel/trace/trace.c2
-rw-r--r--mm/filemap.c6
-rw-r--r--mm/hugetlb.c26
-rw-r--r--mm/memcontrol.c14
-rw-r--r--mm/mmzone.c15
-rw-r--r--mm/oom_kill.c24
-rw-r--r--mm/page-writeback.c6
-rw-r--r--mm/rmap.c2
-rw-r--r--mm/slob.c5
-rw-r--r--mm/slub.c6
-rw-r--r--mm/swap_state.c4
-rw-r--r--mm/truncate.c1
-rw-r--r--mm/vmscan.c2
-rw-r--r--mm/vmstat.c19
-rw-r--r--net/sunrpc/svcsock.c35
-rw-r--r--net/sunrpc/xprtrdma/svc_rdma_sendto.c12
-rw-r--r--net/sunrpc/xprtrdma/svc_rdma_transport.c10
-rw-r--r--net/sunrpc/xprtrdma/verbs.c3
-rwxr-xr-xscripts/setlocalversion30
-rw-r--r--security/tomoyo/tomoyo.c6
-rw-r--r--sound/arm/aaci.c2
-rw-r--r--sound/core/pcm_lib.c10
-rw-r--r--sound/core/pcm_native.c6
-rw-r--r--sound/drivers/pcsp/pcsp_mixer.c2
-rw-r--r--sound/pci/ac97/ac97_patch.c7
-rw-r--r--sound/pci/ca0106/ca0106_mixer.c2
-rw-r--r--sound/pci/hda/hda_intel.c1
-rw-r--r--sound/pci/hda/patch_conexant.c1
-rw-r--r--sound/pci/hda/patch_realtek.c7
-rw-r--r--sound/pci/hda/patch_sigmatel.c10
-rw-r--r--sound/usb/usbaudio.c2
-rw-r--r--sound/usb/usbaudio.h2
-rw-r--r--sound/usb/usbmidi.c12
-rw-r--r--sound/usb/usbquirks.h2
344 files changed, 12583 insertions, 1401 deletions
diff --git a/Documentation/ABI/testing/sysfs-kernel-slab b/Documentation/ABI/testing/sysfs-kernel-slab
new file mode 100644
index 000000000000..6dcf75e594fb
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-kernel-slab
@@ -0,0 +1,479 @@
+What: /sys/kernel/slab
+Date: May 2007
+KernelVersion: 2.6.22
+Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
+ Christoph Lameter <cl@linux-foundation.org>
+Description:
+ The /sys/kernel/slab directory contains a snapshot of the
+ internal state of the SLUB allocator for each cache. Certain
+ files may be modified to change the behavior of the cache (and
+ any cache it aliases, if any).
+Users: kernel memory tuning tools
+
+What: /sys/kernel/slab/cache/aliases
+Date: May 2007
+KernelVersion: 2.6.22
+Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
+ Christoph Lameter <cl@linux-foundation.org>
+Description:
+ The aliases file is read-only and specifies how many caches
+ have merged into this cache.
+
+What: /sys/kernel/slab/cache/align
+Date: May 2007
+KernelVersion: 2.6.22
+Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
+ Christoph Lameter <cl@linux-foundation.org>
+Description:
+ The align file is read-only and specifies the cache's object
+ alignment in bytes.
+
+What: /sys/kernel/slab/cache/alloc_calls
+Date: May 2007
+KernelVersion: 2.6.22
+Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
+ Christoph Lameter <cl@linux-foundation.org>
+Description:
+ The alloc_calls file is read-only and lists the kernel code
+ locations from which allocations for this cache were performed.
+ The alloc_calls file only contains information if debugging is
+ enabled for that cache (see Documentation/vm/slub.txt).
+
+What: /sys/kernel/slab/cache/alloc_fastpath
+Date: February 2008
+KernelVersion: 2.6.25
+Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
+ Christoph Lameter <cl@linux-foundation.org>
+Description:
+ The alloc_fastpath file is read-only and specifies how many
+ objects have been allocated using the fast path.
+ Available when CONFIG_SLUB_STATS is enabled.
+
+What: /sys/kernel/slab/cache/alloc_from_partial
+Date: February 2008
+KernelVersion: 2.6.25
+Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
+ Christoph Lameter <cl@linux-foundation.org>
+Description:
+ The alloc_from_partial file is read-only and specifies how
+ many times a cpu slab has been full and it has been refilled
+ by using a slab from the list of partially used slabs.
+ Available when CONFIG_SLUB_STATS is enabled.
+
+What: /sys/kernel/slab/cache/alloc_refill
+Date: February 2008
+KernelVersion: 2.6.25
+Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
+ Christoph Lameter <cl@linux-foundation.org>
+Description:
+ The alloc_refill file is read-only and specifies how many
+ times the per-cpu freelist was empty but there were objects
+ available as the result of remote cpu frees.
+ Available when CONFIG_SLUB_STATS is enabled.
+
+What: /sys/kernel/slab/cache/alloc_slab
+Date: February 2008
+KernelVersion: 2.6.25
+Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
+ Christoph Lameter <cl@linux-foundation.org>
+Description:
+ The alloc_slab file is read-only and specifies how many times
+ a new slab had to be allocated from the page allocator.
+ Available when CONFIG_SLUB_STATS is enabled.
+
+What: /sys/kernel/slab/cache/alloc_slowpath
+Date: February 2008
+KernelVersion: 2.6.25
+Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
+ Christoph Lameter <cl@linux-foundation.org>
+Description:
+ The alloc_slowpath file is read-only and specifies how many
+ objects have been allocated using the slow path because of a
+ refill or allocation from a partial or new slab.
+ Available when CONFIG_SLUB_STATS is enabled.
+
+What: /sys/kernel/slab/cache/cache_dma
+Date: May 2007
+KernelVersion: 2.6.22
+Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
+ Christoph Lameter <cl@linux-foundation.org>
+Description:
+ The cache_dma file is read-only and specifies whether objects
+ are from ZONE_DMA.
+ Available when CONFIG_ZONE_DMA is enabled.
+
+What: /sys/kernel/slab/cache/cpu_slabs
+Date: May 2007
+KernelVersion: 2.6.22
+Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
+ Christoph Lameter <cl@linux-foundation.org>
+Description:
+ The cpu_slabs file is read-only and displays how many cpu slabs
+ are active and their NUMA locality.
+
+What: /sys/kernel/slab/cache/cpuslab_flush
+Date: April 2009
+KernelVersion: 2.6.31
+Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
+ Christoph Lameter <cl@linux-foundation.org>
+Description:
+ The file cpuslab_flush is read-only and specifies how many
+ times a cache's cpu slabs have been flushed as the result of
+ destroying or shrinking a cache, a cpu going offline, or as
+ the result of forcing an allocation from a certain node.
+ Available when CONFIG_SLUB_STATS is enabled.
+
+What: /sys/kernel/slab/cache/ctor
+Date: May 2007
+KernelVersion: 2.6.22
+Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
+ Christoph Lameter <cl@linux-foundation.org>
+Description:
+ The ctor file is read-only and specifies the cache's object
+ constructor function, which is invoked for each object when a
+ new slab is allocated.
+
+What: /sys/kernel/slab/cache/deactivate_empty
+Date: February 2008
+KernelVersion: 2.6.25
+Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
+ Christoph Lameter <cl@linux-foundation.org>
+Description:
+ The file deactivate_empty is read-only and specifies how many
+ times an empty cpu slab was deactivated.
+ Available when CONFIG_SLUB_STATS is enabled.
+
+What: /sys/kernel/slab/cache/deactivate_full
+Date: February 2008
+KernelVersion: 2.6.25
+Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
+ Christoph Lameter <cl@linux-foundation.org>
+Description:
+ The file deactivate_full is read-only and specifies how many
+ times a full cpu slab was deactivated.
+ Available when CONFIG_SLUB_STATS is enabled.
+
+What: /sys/kernel/slab/cache/deactivate_remote_frees
+Date: February 2008
+KernelVersion: 2.6.25
+Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
+ Christoph Lameter <cl@linux-foundation.org>
+Description:
+ The file deactivate_remote_frees is read-only and specifies how
+ many times a cpu slab has been deactivated and contained free
+ objects that were freed remotely.
+ Available when CONFIG_SLUB_STATS is enabled.
+
+What: /sys/kernel/slab/cache/deactivate_to_head
+Date: February 2008
+KernelVersion: 2.6.25
+Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
+ Christoph Lameter <cl@linux-foundation.org>
+Description:
+ The file deactivate_to_head is read-only and specifies how
+ many times a partial cpu slab was deactivated and added to the
+ head of its node's partial list.
+ Available when CONFIG_SLUB_STATS is enabled.
+
+What: /sys/kernel/slab/cache/deactivate_to_tail
+Date: February 2008
+KernelVersion: 2.6.25
+Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
+ Christoph Lameter <cl@linux-foundation.org>
+Description:
+ The file deactivate_to_tail is read-only and specifies how
+ many times a partial cpu slab was deactivated and added to the
+ tail of its node's partial list.
+ Available when CONFIG_SLUB_STATS is enabled.
+
+What: /sys/kernel/slab/cache/destroy_by_rcu
+Date: May 2007
+KernelVersion: 2.6.22
+Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
+ Christoph Lameter <cl@linux-foundation.org>
+Description:
+ The destroy_by_rcu file is read-only and specifies whether
+ slabs (not objects) are freed by rcu.
+
+What: /sys/kernel/slab/cache/free_add_partial
+Date: February 2008
+KernelVersion: 2.6.25
+Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
+ Christoph Lameter <cl@linux-foundation.org>
+Description:
+ The file free_add_partial is read-only and specifies how many
+ times an object has been freed in a full slab so that it had to
+ added to its node's partial list.
+ Available when CONFIG_SLUB_STATS is enabled.
+
+What: /sys/kernel/slab/cache/free_calls
+Date: May 2007
+KernelVersion: 2.6.22
+Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
+ Christoph Lameter <cl@linux-foundation.org>
+Description:
+ The free_calls file is read-only and lists the locations of
+ object frees if slab debugging is enabled (see
+ Documentation/vm/slub.txt).
+
+What: /sys/kernel/slab/cache/free_fastpath
+Date: February 2008
+KernelVersion: 2.6.25
+Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
+ Christoph Lameter <cl@linux-foundation.org>
+Description:
+ The free_fastpath file is read-only and specifies how many
+ objects have been freed using the fast path because it was an
+ object from the cpu slab.
+ Available when CONFIG_SLUB_STATS is enabled.
+
+What: /sys/kernel/slab/cache/free_frozen
+Date: February 2008
+KernelVersion: 2.6.25
+Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
+ Christoph Lameter <cl@linux-foundation.org>
+Description:
+ The free_frozen file is read-only and specifies how many
+ objects have been freed to a frozen slab (i.e. a remote cpu
+ slab).
+ Available when CONFIG_SLUB_STATS is enabled.
+
+What: /sys/kernel/slab/cache/free_remove_partial
+Date: February 2008
+KernelVersion: 2.6.25
+Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
+ Christoph Lameter <cl@linux-foundation.org>
+Description:
+ The file free_remove_partial is read-only and specifies how
+ many times an object has been freed to a now-empty slab so
+ that it had to be removed from its node's partial list.
+ Available when CONFIG_SLUB_STATS is enabled.
+
+What: /sys/kernel/slab/cache/free_slab
+Date: February 2008
+KernelVersion: 2.6.25
+Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
+ Christoph Lameter <cl@linux-foundation.org>
+Description:
+ The free_slab file is read-only and specifies how many times an
+ empty slab has been freed back to the page allocator.
+ Available when CONFIG_SLUB_STATS is enabled.
+
+What: /sys/kernel/slab/cache/free_slowpath
+Date: February 2008
+KernelVersion: 2.6.25
+Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
+ Christoph Lameter <cl@linux-foundation.org>
+Description:
+ The free_slowpath file is read-only and specifies how many
+ objects have been freed using the slow path (i.e. to a full or
+ partial slab).
+ Available when CONFIG_SLUB_STATS is enabled.
+
+What: /sys/kernel/slab/cache/hwcache_align
+Date: May 2007
+KernelVersion: 2.6.22
+Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
+ Christoph Lameter <cl@linux-foundation.org>
+Description:
+ The hwcache_align file is read-only and specifies whether
+ objects are aligned on cachelines.
+
+What: /sys/kernel/slab/cache/min_partial
+Date: February 2009
+KernelVersion: 2.6.30
+Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
+ David Rientjes <rientjes@google.com>
+Description:
+ The min_partial file specifies how many empty slabs shall
+ remain on a node's partial list to avoid the overhead of
+ allocating new slabs. Such slabs may be reclaimed by utilizing
+ the shrink file.
+
+What: /sys/kernel/slab/cache/object_size
+Date: May 2007
+KernelVersion: 2.6.22
+Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
+ Christoph Lameter <cl@linux-foundation.org>
+Description:
+ The object_size file is read-only and specifies the cache's
+ object size.
+
+What: /sys/kernel/slab/cache/objects
+Date: May 2007
+KernelVersion: 2.6.22
+Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
+ Christoph Lameter <cl@linux-foundation.org>
+Description:
+ The objects file is read-only and displays how many objects are
+ active and from which nodes they are from.
+
+What: /sys/kernel/slab/cache/objects_partial
+Date: April 2008
+KernelVersion: 2.6.26
+Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
+ Christoph Lameter <cl@linux-foundation.org>
+Description:
+ The objects_partial file is read-only and displays how many
+ objects are on partial slabs and from which nodes they are
+ from.
+
+What: /sys/kernel/slab/cache/objs_per_slab
+Date: May 2007
+KernelVersion: 2.6.22
+Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
+ Christoph Lameter <cl@linux-foundation.org>
+Description:
+ The file objs_per_slab is read-only and specifies how many
+ objects may be allocated from a single slab of the order
+ specified in /sys/kernel/slab/cache/order.
+
+What: /sys/kernel/slab/cache/order
+Date: May 2007
+KernelVersion: 2.6.22
+Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
+ Christoph Lameter <cl@linux-foundation.org>
+Description:
+ The order file specifies the page order at which new slabs are
+ allocated. It is writable and can be changed to increase the
+ number of objects per slab. If a slab cannot be allocated
+ because of fragmentation, SLUB will retry with the minimum order
+ possible depending on its characteristics.
+
+What: /sys/kernel/slab/cache/order_fallback
+Date: April 2008
+KernelVersion: 2.6.26
+Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
+ Christoph Lameter <cl@linux-foundation.org>
+Description:
+ The file order_fallback is read-only and specifies how many
+ times an allocation of a new slab has not been possible at the
+ cache's order and instead fallen back to its minimum possible
+ order.
+ Available when CONFIG_SLUB_STATS is enabled.
+
+What: /sys/kernel/slab/cache/partial
+Date: May 2007
+KernelVersion: 2.6.22
+Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
+ Christoph Lameter <cl@linux-foundation.org>
+Description:
+ The partial file is read-only and displays how long many
+ partial slabs there are and how long each node's list is.
+
+What: /sys/kernel/slab/cache/poison
+Date: May 2007
+KernelVersion: 2.6.22
+Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
+ Christoph Lameter <cl@linux-foundation.org>
+Description:
+ The poison file specifies whether objects should be poisoned
+ when a new slab is allocated.
+
+What: /sys/kernel/slab/cache/reclaim_account
+Date: May 2007
+KernelVersion: 2.6.22
+Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
+ Christoph Lameter <cl@linux-foundation.org>
+Description:
+ The reclaim_account file specifies whether the cache's objects
+ are reclaimable (and grouped by their mobility).
+
+What: /sys/kernel/slab/cache/red_zone
+Date: May 2007
+KernelVersion: 2.6.22
+Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
+ Christoph Lameter <cl@linux-foundation.org>
+Description:
+ The red_zone file specifies whether the cache's objects are red
+ zoned.
+
+What: /sys/kernel/slab/cache/remote_node_defrag_ratio
+Date: January 2008
+KernelVersion: 2.6.25
+Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
+ Christoph Lameter <cl@linux-foundation.org>
+Description:
+ The file remote_node_defrag_ratio specifies the percentage of
+ times SLUB will attempt to refill the cpu slab with a partial
+ slab from a remote node as opposed to allocating a new slab on
+ the local node. This reduces the amount of wasted memory over
+ the entire system but can be expensive.
+ Available when CONFIG_NUMA is enabled.
+
+What: /sys/kernel/slab/cache/sanity_checks
+Date: May 2007
+KernelVersion: 2.6.22
+Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
+ Christoph Lameter <cl@linux-foundation.org>
+Description:
+ The sanity_checks file specifies whether expensive checks
+ should be performed on free and, at minimum, enables double free
+ checks. Caches that enable sanity_checks cannot be merged with
+ caches that do not.
+
+What: /sys/kernel/slab/cache/shrink
+Date: May 2007
+KernelVersion: 2.6.22
+Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
+ Christoph Lameter <cl@linux-foundation.org>
+Description:
+ The shrink file is written when memory should be reclaimed from
+ a cache. Empty partial slabs are freed and the partial list is
+ sorted so the slabs with the fewest available objects are used
+ first.
+
+What: /sys/kernel/slab/cache/slab_size
+Date: May 2007
+KernelVersion: 2.6.22
+Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
+ Christoph Lameter <cl@linux-foundation.org>
+Description:
+ The slab_size file is read-only and specifies the object size
+ with metadata (debugging information and alignment) in bytes.
+
+What: /sys/kernel/slab/cache/slabs
+Date: May 2007
+KernelVersion: 2.6.22
+Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
+ Christoph Lameter <cl@linux-foundation.org>
+Description:
+ The slabs file is read-only and displays how long many slabs
+ there are (both cpu and partial) and from which nodes they are
+ from.
+
+What: /sys/kernel/slab/cache/store_user
+Date: May 2007
+KernelVersion: 2.6.22
+Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
+ Christoph Lameter <cl@linux-foundation.org>
+Description:
+ The store_user file specifies whether the location of
+ allocation or free should be tracked for a cache.
+
+What: /sys/kernel/slab/cache/total_objects
+Date: April 2008
+KernelVersion: 2.6.26
+Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
+ Christoph Lameter <cl@linux-foundation.org>
+Description:
+ The total_objects file is read-only and displays how many total
+ objects a cache has and from which nodes they are from.
+
+What: /sys/kernel/slab/cache/trace
+Date: May 2007
+KernelVersion: 2.6.22
+Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
+ Christoph Lameter <cl@linux-foundation.org>
+Description:
+ The trace file specifies whether object allocations and frees
+ should be traced.
+
+What: /sys/kernel/slab/cache/validate
+Date: May 2007
+KernelVersion: 2.6.22
+Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
+ Christoph Lameter <cl@linux-foundation.org>
+Description:
+ Writing to the validate file causes SLUB to traverse all of its
+ cache's objects and check the validity of metadata.
diff --git a/Documentation/filesystems/tmpfs.txt b/Documentation/filesystems/tmpfs.txt
index 222437efd75a..3015da0c6b2a 100644
--- a/Documentation/filesystems/tmpfs.txt
+++ b/Documentation/filesystems/tmpfs.txt
@@ -133,4 +133,4 @@ RAM/SWAP in 10240 inodes and it is only accessible by root.
Author:
Christoph Rohland <cr@sap.com>, 1.12.01
Updated:
- Hugh Dickins <hugh@veritas.com>, 4 June 2007
+ Hugh Dickins, 4 June 2007
diff --git a/Documentation/hwmon/sysfs-interface b/Documentation/hwmon/sysfs-interface
index 2f10ce6a879f..004ee161721e 100644
--- a/Documentation/hwmon/sysfs-interface
+++ b/Documentation/hwmon/sysfs-interface
@@ -150,6 +150,11 @@ fan[1-*]_min Fan minimum value
Unit: revolution/min (RPM)
RW
+fan[1-*]_max Fan maximum value
+ Unit: revolution/min (RPM)
+ Only rarely supported by the hardware.
+ RW
+
fan[1-*]_input Fan input value.
Unit: revolution/min (RPM)
RO
@@ -390,6 +395,7 @@ OR
in[0-*]_min_alarm
in[0-*]_max_alarm
fan[1-*]_min_alarm
+fan[1-*]_max_alarm
temp[1-*]_min_alarm
temp[1-*]_max_alarm
temp[1-*]_crit_alarm
diff --git a/Documentation/input/multi-touch-protocol.txt b/Documentation/input/multi-touch-protocol.txt
index 9f09557aea39..a12ea3b586e6 100644
--- a/Documentation/input/multi-touch-protocol.txt
+++ b/Documentation/input/multi-touch-protocol.txt
@@ -18,8 +18,12 @@ Usage
Anonymous finger details are sent sequentially as separate packets of ABS
events. Only the ABS_MT events are recognized as part of a finger
packet. The end of a packet is marked by calling the input_mt_sync()
-function, which generates a SYN_MT_REPORT event. The end of multi-touch
-transfer is marked by calling the usual input_sync() function.
+function, which generates a SYN_MT_REPORT event. This instructs the
+receiver to accept the data for the current finger and prepare to receive
+another. The end of a multi-touch transfer is marked by calling the usual
+input_sync() function. This instructs the receiver to act upon events
+accumulated since last EV_SYN/SYN_REPORT and prepare to receive a new
+set of events/packets.
A set of ABS_MT events with the desired properties is defined. The events
are divided into categories, to allow for partial implementation. The
@@ -27,11 +31,26 @@ minimum set consists of ABS_MT_TOUCH_MAJOR, ABS_MT_POSITION_X and
ABS_MT_POSITION_Y, which allows for multiple fingers to be tracked. If the
device supports it, the ABS_MT_WIDTH_MAJOR may be used to provide the size
of the approaching finger. Anisotropy and direction may be specified with
-ABS_MT_TOUCH_MINOR, ABS_MT_WIDTH_MINOR and ABS_MT_ORIENTATION. Devices with
-more granular information may specify general shapes as blobs, i.e., as a
-sequence of rectangular shapes grouped together by an
-ABS_MT_BLOB_ID. Finally, the ABS_MT_TOOL_TYPE may be used to specify
-whether the touching tool is a finger or a pen or something else.
+ABS_MT_TOUCH_MINOR, ABS_MT_WIDTH_MINOR and ABS_MT_ORIENTATION. The
+ABS_MT_TOOL_TYPE may be used to specify whether the touching tool is a
+finger or a pen or something else. Devices with more granular information
+may specify general shapes as blobs, i.e., as a sequence of rectangular
+shapes grouped together by an ABS_MT_BLOB_ID. Finally, for the few devices
+that currently support it, the ABS_MT_TRACKING_ID event may be used to
+report finger tracking from hardware [5].
+
+Here is what a minimal event sequence for a two-finger touch would look
+like:
+
+ ABS_MT_TOUCH_MAJOR
+ ABS_MT_POSITION_X
+ ABS_MT_POSITION_Y
+ SYN_MT_REPORT
+ ABS_MT_TOUCH_MAJOR
+ ABS_MT_POSITION_X
+ ABS_MT_POSITION_Y
+ SYN_MT_REPORT
+ SYN_REPORT
Event Semantics
@@ -44,24 +63,24 @@ ABS_MT_TOUCH_MAJOR
The length of the major axis of the contact. The length should be given in
surface units. If the surface has an X times Y resolution, the largest
-possible value of ABS_MT_TOUCH_MAJOR is sqrt(X^2 + Y^2), the diagonal.
+possible value of ABS_MT_TOUCH_MAJOR is sqrt(X^2 + Y^2), the diagonal [4].
ABS_MT_TOUCH_MINOR
The length, in surface units, of the minor axis of the contact. If the
-contact is circular, this event can be omitted.
+contact is circular, this event can be omitted [4].
ABS_MT_WIDTH_MAJOR
The length, in surface units, of the major axis of the approaching
tool. This should be understood as the size of the tool itself. The
orientation of the contact and the approaching tool are assumed to be the
-same.
+same [4].
ABS_MT_WIDTH_MINOR
The length, in surface units, of the minor axis of the approaching
-tool. Omit if circular.
+tool. Omit if circular [4].
The above four values can be used to derive additional information about
the contact. The ratio ABS_MT_TOUCH_MAJOR / ABS_MT_WIDTH_MAJOR approximates
@@ -70,14 +89,17 @@ different characteristic widths [1].
ABS_MT_ORIENTATION
-The orientation of the ellipse. The value should describe half a revolution
-clockwise around the touch center. The scale of the value is arbitrary, but
-zero should be returned for an ellipse aligned along the Y axis of the
-surface. As an example, an index finger placed straight onto the axis could
-return zero orientation, something negative when twisted to the left, and
-something positive when twisted to the right. This value can be omitted if
-the touching object is circular, or if the information is not available in
-the kernel driver.
+The orientation of the ellipse. The value should describe a signed quarter
+of a revolution clockwise around the touch center. The signed value range
+is arbitrary, but zero should be returned for a finger aligned along the Y
+axis of the surface, a negative value when finger is turned to the left, and
+a positive value when finger turned to the right. When completely aligned with
+the X axis, the range max should be returned. Orientation can be omitted
+if the touching object is circular, or if the information is not available
+in the kernel driver. Partial orientation support is possible if the device
+can distinguish between the two axis, but not (uniquely) any values in
+between. In such cases, the range of ABS_MT_ORIENTATION should be [0, 1]
+[4].
ABS_MT_POSITION_X
@@ -98,8 +120,35 @@ ABS_MT_BLOB_ID
The BLOB_ID groups several packets together into one arbitrarily shaped
contact. This is a low-level anonymous grouping, and should not be confused
-with the high-level contactID, explained below. Most kernel drivers will
-not have this capability, and can safely omit the event.
+with the high-level trackingID [5]. Most kernel drivers will not have blob
+capability, and can safely omit the event.
+
+ABS_MT_TRACKING_ID
+
+The TRACKING_ID identifies an initiated contact throughout its life cycle
+[5]. There are currently only a few devices that support it, so this event
+should normally be omitted.
+
+
+Event Computation
+-----------------
+
+The flora of different hardware unavoidably leads to some devices fitting
+better to the MT protocol than others. To simplify and unify the mapping,
+this section gives recipes for how to compute certain events.
+
+For devices reporting contacts as rectangular shapes, signed orientation
+cannot be obtained. Assuming X and Y are the lengths of the sides of the
+touching rectangle, here is a simple formula that retains the most
+information possible:
+
+ ABS_MT_TOUCH_MAJOR := max(X, Y)
+ ABS_MT_TOUCH_MINOR := min(X, Y)
+ ABS_MT_ORIENTATION := bool(X > Y)
+
+The range of ABS_MT_ORIENTATION should be set to [0, 1], to indicate that
+the device can distinguish between a finger along the Y axis (0) and a
+finger along the X axis (1).
Finger Tracking
@@ -109,14 +158,18 @@ The kernel driver should generate an arbitrary enumeration of the set of
anonymous contacts currently on the surface. The order in which the packets
appear in the event stream is not important.
-The process of finger tracking, i.e., to assign a unique contactID to each
+The process of finger tracking, i.e., to assign a unique trackingID to each
initiated contact on the surface, is left to user space; preferably the
-multi-touch X driver [3]. In that driver, the contactID stays the same and
+multi-touch X driver [3]. In that driver, the trackingID stays the same and
unique until the contact vanishes (when the finger leaves the surface). The
problem of assigning a set of anonymous fingers to a set of identified
fingers is a euclidian bipartite matching problem at each event update, and
relies on a sufficiently rapid update rate.
+There are a few devices that support trackingID in hardware. User space can
+make use of these native identifiers to reduce bandwidth and cpu usage.
+
+
Notes
-----
@@ -136,5 +189,7 @@ could be used to derive tilt.
time of writing (April 2009), the MT protocol is not yet merged, and the
prototype implements finger matching, basic mouse support and two-finger
scrolling. The project aims at improving the quality of current multi-touch
-functionality available in the synaptics X driver, and in addition
+functionality available in the Synaptics X driver, and in addition
implement more advanced gestures.
+[4] See the section on event computation.
+[5] See the section on finger tracking.
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index e87bdbfbcc75..fd5cac013037 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -1535,6 +1535,10 @@ and is between 256 and 4096 characters. It is defined in the file
register save and restore. The kernel will only save
legacy floating-point registers on task switch.
+ noxsave [BUGS=X86] Disables x86 extended register state save
+ and restore using xsave. The kernel will fallback to
+ enabling legacy floating-point and sse state.
+
nohlt [BUGS=ARM,SH] Tells the kernel that the sleep(SH) or
wfi(ARM) instruction doesn't work correctly and not to
use it. This is also useful when using JTAG debugger.
diff --git a/Documentation/sound/alsa/HD-Audio-Models.txt b/Documentation/sound/alsa/HD-Audio-Models.txt
index 8eec05bc079e..322869fc8a9e 100644
--- a/Documentation/sound/alsa/HD-Audio-Models.txt
+++ b/Documentation/sound/alsa/HD-Audio-Models.txt
@@ -334,6 +334,7 @@ STAC9227/9228/9229/927x
ref-no-jd Reference board without HP/Mic jack detection
3stack D965 3stack
5stack D965 5stack + SPDIF
+ 5stack-no-fp D965 5stack without front panel
dell-3stack Dell Dimension E520
dell-bios Fixes with Dell BIOS setup
auto BIOS setup (default)
diff --git a/Documentation/sound/alsa/Procfile.txt b/Documentation/sound/alsa/Procfile.txt
index bba2dbb79d81..cfac20cf9e33 100644
--- a/Documentation/sound/alsa/Procfile.txt
+++ b/Documentation/sound/alsa/Procfile.txt
@@ -104,6 +104,11 @@ card*/pcm*/xrun_debug
When this value is greater than 1, the driver will show the
stack trace additionally. This may help the debugging.
+ Since 2.6.30, this option also enables the hwptr check using
+ jiffies. This detects spontaneous invalid pointer callback
+ values, but can be lead to too much corrections for a (mostly
+ buggy) hardware that doesn't give smooth pointer updates.
+
card*/pcm*/sub*/info
The general information of this PCM sub-stream.
diff --git a/MAINTAINERS b/MAINTAINERS
index 111fc169437a..cf4abddfc8a4 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -434,7 +434,7 @@ F: arch/alpha/
AMD GEODE CS5536 USB DEVICE CONTROLLER DRIVER
P: Thomas Dahlmann
-M: thomas.dahlmann@amd.com
+M: dahlmann.thomas@arcor.de
L: linux-geode@lists.infradead.org (moderated for non-subscribers)
S: Supported
F: drivers/usb/gadget/amd5536udc.*
@@ -624,6 +624,7 @@ M: paulius.zaleckas@teltonika.lt
L: linux-arm-kernel@lists.arm.linux.org.uk (subscribers-only)
T: git git://gitorious.org/linux-gemini/mainline.git
S: Maintained
+F: arch/arm/mach-gemini/
ARM/EBSA110 MACHINE SUPPORT
P: Russell King
@@ -650,6 +651,7 @@ P: Paulius Zaleckas
M: paulius.zaleckas@teltonika.lt
L: linux-arm-kernel@lists.arm.linux.org.uk (subscribers-only)
S: Maintained
+F: arch/arm/mm/*-fa*
ARM/FOOTBRIDGE ARCHITECTURE
P: Russell King
@@ -1132,17 +1134,17 @@ F: fs/bfs/
F: include/linux/bfs_fs.h
BLACKFIN ARCHITECTURE
-P: Bryan Wu
-M: cooloney@kernel.org
+P: Mike Frysinger
+M: vapier@gentoo.org
L: uclinux-dist-devel@blackfin.uclinux.org
W: http://blackfin.uclinux.org
S: Supported
F: arch/blackfin/
BLACKFIN EMAC DRIVER
-P: Bryan Wu
-M: cooloney@kernel.org
-L: uclinux-dist-devel@blackfin.uclinux.org (subscribers-only)
+P: Michael Hennerich
+M: michael.hennerich@analog.com
+L: uclinux-dist-devel@blackfin.uclinux.org
W: http://blackfin.uclinux.org
S: Supported
F: drivers/net/bfin_mac.*
@@ -1150,7 +1152,7 @@ F: drivers/net/bfin_mac.*
BLACKFIN RTC DRIVER
P: Mike Frysinger
M: vapier.adi@gmail.com
-L: uclinux-dist-devel@blackfin.uclinux.org (subscribers-only)
+L: uclinux-dist-devel@blackfin.uclinux.org
W: http://blackfin.uclinux.org
S: Supported
F: drivers/rtc/rtc-bfin.c
@@ -1158,7 +1160,7 @@ F: drivers/rtc/rtc-bfin.c
BLACKFIN SERIAL DRIVER
P: Sonic Zhang
M: sonic.zhang@analog.com
-L: uclinux-dist-devel@blackfin.uclinux.org (subscribers-only)
+L: uclinux-dist-devel@blackfin.uclinux.org
W: http://blackfin.uclinux.org
S: Supported
F: drivers/serial/bfin_5xx.c
@@ -1166,7 +1168,7 @@ F: drivers/serial/bfin_5xx.c
BLACKFIN WATCHDOG DRIVER
P: Mike Frysinger
M: vapier.adi@gmail.com
-L: uclinux-dist-devel@blackfin.uclinux.org (subscribers-only)
+L: uclinux-dist-devel@blackfin.uclinux.org
W: http://blackfin.uclinux.org
S: Supported
F: drivers/watchdog/bfin_wdt.c
@@ -1174,7 +1176,7 @@ F: drivers/watchdog/bfin_wdt.c
BLACKFIN I2C TWI DRIVER
P: Sonic Zhang
M: sonic.zhang@analog.com
-L: uclinux-dist-devel@blackfin.uclinux.org (subscribers-only)
+L: uclinux-dist-devel@blackfin.uclinux.org
W: http://blackfin.uclinux.org/
S: Supported
F: drivers/i2c/busses/i2c-bfin-twi.c
@@ -1431,6 +1433,14 @@ P: Russell King
M: linux@arm.linux.org.uk
F: include/linux/clk.h
+CISCO FCOE HBA DRIVER
+P: Abhijeet Joglekar
+M: abjoglek@cisco.com
+P: Joe Eykholt
+M: jeykholt@cisco.com
+L: linux-scsi@vger.kernel.org
+S: Supported
+
CODA FILE SYSTEM
P: Jan Harkes
M: jaharkes@cs.cmu.edu
@@ -1970,8 +1980,8 @@ F: include/linux/edac.h
EDAC-E752X
P: Mark Gross
-P: Doug Thompson
M: mark.gross@intel.com
+P: Doug Thompson
M: dougthompson@xmission.com
L: bluesmoke-devel@lists.sourceforge.net (moderated for non-subscribers)
W: bluesmoke.sourceforge.net
@@ -2248,7 +2258,7 @@ P: Li Yang
M: leoli@freescale.com
P: Zhang Wei
M: zw@zh-kernel.org
-L: linuxppc-embedded@ozlabs.org
+L: linuxppc-dev@ozlabs.org
L: linux-kernel@vger.kernel.org
S: Maintained
F: drivers/dma/fsldma.*
@@ -5586,6 +5596,14 @@ M: ian@mnementh.co.uk
S: Maintained
F: drivers/mmc/host/tmio_mmc.*
+TMPFS (SHMEM FILESYSTEM)
+P: Hugh Dickins
+M: hugh.dickins@tiscali.co.uk
+L: linux-mm@kvack.org
+S: Maintained
+F: include/linux/shmem_fs.h
+F: mm/shmem.c
+
TPM DEVICE DRIVER
P: Debora Velarde
M: debora@linux.vnet.ibm.com
diff --git a/Makefile b/Makefile
index b57e1f539e83..739fd34a72a2 100644
--- a/Makefile
+++ b/Makefile
@@ -1,8 +1,8 @@
VERSION = 2
PATCHLEVEL = 6
SUBLEVEL = 30
-EXTRAVERSION = -rc6
-NAME = Vindictive Armadillo
+EXTRAVERSION = -rc7
+NAME = Man-Eating Seals of Antiquity
# *DOCUMENTATION*
# To see a list of typical targets execute "make help"
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index e60ec54df334..9d02cdb15b23 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -273,6 +273,7 @@ config ARCH_EP93XX
select HAVE_CLK
select COMMON_CLKDEV
select ARCH_REQUIRE_GPIOLIB
+ select ARCH_HAS_HOLES_MEMORYMODEL
help
This enables support for the Cirrus EP93xx series of CPUs.
@@ -976,10 +977,9 @@ config OABI_COMPAT
UNPREDICTABLE (in fact it can be predicted that it won't work
at all). If in doubt say Y.
-config ARCH_FLATMEM_HAS_HOLES
+config ARCH_HAS_HOLES_MEMORYMODEL
bool
- default y
- depends on FLATMEM
+ default n
# Discontigmem is deprecated
config ARCH_DISCONTIGMEM_ENABLE
diff --git a/arch/arm/common/gic.c b/arch/arm/common/gic.c
index c6884ba1d5ed..3e1714c6523f 100644
--- a/arch/arm/common/gic.c
+++ b/arch/arm/common/gic.c
@@ -253,9 +253,9 @@ void __cpuinit gic_cpu_init(unsigned int gic_nr, void __iomem *base)
}
#ifdef CONFIG_SMP
-void gic_raise_softirq(cpumask_t cpumask, unsigned int irq)
+void gic_raise_softirq(const struct cpumask *mask, unsigned int irq)
{
- unsigned long map = *cpus_addr(cpumask);
+ unsigned long map = *cpus_addr(*mask);
/* this always happens on GIC0 */
writel(map << 16 | irq, gic_data[0].dist_base + GIC_DIST_SOFTINT);
diff --git a/arch/arm/include/asm/assembler.h b/arch/arm/include/asm/assembler.h
index 6116e4893c0a..15f8a092b700 100644
--- a/arch/arm/include/asm/assembler.h
+++ b/arch/arm/include/asm/assembler.h
@@ -114,3 +114,16 @@
.align 3; \
.long 9999b,9001f; \
.previous
+
+/*
+ * SMP data memory barrier
+ */
+ .macro smp_dmb
+#ifdef CONFIG_SMP
+#if __LINUX_ARM_ARCH__ >= 7
+ dmb
+#elif __LINUX_ARM_ARCH__ == 6
+ mcr p15, 0, r0, c7, c10, 5 @ dmb
+#endif
+#endif
+ .endm
diff --git a/arch/arm/include/asm/atomic.h b/arch/arm/include/asm/atomic.h
index ee99723b3a6c..16b52f397983 100644
--- a/arch/arm/include/asm/atomic.h
+++ b/arch/arm/include/asm/atomic.h
@@ -44,11 +44,29 @@ static inline void atomic_set(atomic_t *v, int i)
: "cc");
}
+static inline void atomic_add(int i, atomic_t *v)
+{
+ unsigned long tmp;
+ int result;
+
+ __asm__ __volatile__("@ atomic_add\n"
+"1: ldrex %0, [%2]\n"
+" add %0, %0, %3\n"
+" strex %1, %0, [%2]\n"
+" teq %1, #0\n"
+" bne 1b"
+ : "=&r" (result), "=&r" (tmp)
+ : "r" (&v->counter), "Ir" (i)
+ : "cc");
+}
+
static inline int atomic_add_return(int i, atomic_t *v)
{
unsigned long tmp;
int result;
+ smp_mb();
+
__asm__ __volatile__("@ atomic_add_return\n"
"1: ldrex %0, [%2]\n"
" add %0, %0, %3\n"
@@ -59,14 +77,34 @@ static inline int atomic_add_return(int i, atomic_t *v)
: "r" (&v->counter), "Ir" (i)
: "cc");
+ smp_mb();
+
return result;
}
+static inline void atomic_sub(int i, atomic_t *v)
+{
+ unsigned long tmp;
+ int result;
+
+ __asm__ __volatile__("@ atomic_sub\n"
+"1: ldrex %0, [%2]\n"
+" sub %0, %0, %3\n"
+" strex %1, %0, [%2]\n"
+" teq %1, #0\n"
+" bne 1b"
+ : "=&r" (result), "=&r" (tmp)
+ : "r" (&v->counter), "Ir" (i)
+ : "cc");
+}
+
static inline int atomic_sub_return(int i, atomic_t *v)
{
unsigned long tmp;
int result;
+ smp_mb();
+
__asm__ __volatile__("@ atomic_sub_return\n"
"1: ldrex %0, [%2]\n"
" sub %0, %0, %3\n"
@@ -77,6 +115,8 @@ static inline int atomic_sub_return(int i, atomic_t *v)
: "r" (&v->counter), "Ir" (i)
: "cc");
+ smp_mb();
+
return result;
}
@@ -84,6 +124,8 @@ static inline int atomic_cmpxchg(atomic_t *ptr, int old, int new)
{
unsigned long oldval, res;
+ smp_mb();
+
do {
__asm__ __volatile__("@ atomic_cmpxchg\n"
"ldrex %1, [%2]\n"
@@ -95,6 +137,8 @@ static inline int atomic_cmpxchg(atomic_t *ptr, int old, int new)
: "cc");
} while (res);
+ smp_mb();
+
return oldval;
}
@@ -135,6 +179,7 @@ static inline int atomic_add_return(int i, atomic_t *v)
return val;
}
+#define atomic_add(i, v) (void) atomic_add_return(i, v)
static inline int atomic_sub_return(int i, atomic_t *v)
{
@@ -148,6 +193,7 @@ static inline int atomic_sub_return(int i, atomic_t *v)
return val;
}
+#define atomic_sub(i, v) (void) atomic_sub_return(i, v)
static inline int atomic_cmpxchg(atomic_t *v, int old, int new)
{
@@ -187,10 +233,8 @@ static inline int atomic_add_unless(atomic_t *v, int a, int u)
}
#define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0)
-#define atomic_add(i, v) (void) atomic_add_return(i, v)
-#define atomic_inc(v) (void) atomic_add_return(1, v)
-#define atomic_sub(i, v) (void) atomic_sub_return(i, v)
-#define atomic_dec(v) (void) atomic_sub_return(1, v)
+#define atomic_inc(v) atomic_add(1, v)
+#define atomic_dec(v) atomic_sub(1, v)
#define atomic_inc_and_test(v) (atomic_add_return(1, v) == 0)
#define atomic_dec_and_test(v) (atomic_sub_return(1, v) == 0)
@@ -200,11 +244,10 @@ static inline int atomic_add_unless(atomic_t *v, int a, int u)
#define atomic_add_negative(i,v) (atomic_add_return(i, v) < 0)
-/* Atomic operations are already serializing on ARM */
-#define smp_mb__before_atomic_dec() barrier()
-#define smp_mb__after_atomic_dec() barrier()
-#define smp_mb__before_atomic_inc() barrier()
-#define smp_mb__after_atomic_inc() barrier()
+#define smp_mb__before_atomic_dec() smp_mb()
+#define smp_mb__after_atomic_dec() smp_mb()
+#define smp_mb__before_atomic_inc() smp_mb()
+#define smp_mb__after_atomic_inc() smp_mb()
#include <asm-generic/atomic.h>
#endif
diff --git a/arch/arm/include/asm/flat.h b/arch/arm/include/asm/flat.h
index 1d77e51907f6..59426a4595c9 100644
--- a/arch/arm/include/asm/flat.h
+++ b/arch/arm/include/asm/flat.h
@@ -5,9 +5,6 @@
#ifndef __ARM_FLAT_H__
#define __ARM_FLAT_H__
-/* An odd number of words will be pushed after this alignment, so
- deliberately misalign the value. */
-#define flat_stack_align(sp) sp = (void *)(((unsigned long)(sp) - 4) | 4)
#define flat_argvp_envp_on_stack() 1
#define flat_old_ram_flag(flags) (flags)
#define flat_reloc_valid(reloc, size) ((reloc) <= (size))
diff --git a/arch/arm/include/asm/hardware/gic.h b/arch/arm/include/asm/hardware/gic.h
index 4924914af188..7f34333bb545 100644
--- a/arch/arm/include/asm/hardware/gic.h
+++ b/arch/arm/include/asm/hardware/gic.h
@@ -36,7 +36,7 @@
void gic_dist_init(unsigned int gic_nr, void __iomem *base, unsigned int irq_start);
void gic_cpu_init(unsigned int gic_nr, void __iomem *base);
void gic_cascade_irq(unsigned int gic_nr, unsigned int irq);
-void gic_raise_softirq(cpumask_t cpumask, unsigned int irq);
+void gic_raise_softirq(const struct cpumask *mask, unsigned int irq);
#endif
#endif
diff --git a/arch/arm/include/asm/smp.h b/arch/arm/include/asm/smp.h
index fad70da5911d..5995935338e1 100644
--- a/arch/arm/include/asm/smp.h
+++ b/arch/arm/include/asm/smp.h
@@ -53,17 +53,12 @@ extern void smp_store_cpu_info(unsigned int cpuid);
/*
* Raise an IPI cross call on CPUs in callmap.
*/
-extern void smp_cross_call(cpumask_t callmap);
-
-/*
- * Broadcast a timer interrupt to the other CPUs.
- */
-extern void smp_send_timer(void);
+extern void smp_cross_call(const struct cpumask *mask);
/*
* Broadcast a clock event to other CPUs.
*/
-extern void smp_timer_broadcast(cpumask_t mask);
+extern void smp_timer_broadcast(const struct cpumask *mask);
/*
* Boot a secondary CPU, and assign it the specified idle task.
@@ -102,7 +97,8 @@ extern int platform_cpu_kill(unsigned int cpu);
extern void platform_cpu_enable(unsigned int cpu);
extern void arch_send_call_function_single_ipi(int cpu);
-extern void arch_send_call_function_ipi(cpumask_t mask);
+extern void arch_send_call_function_ipi_mask(const struct cpumask *mask);
+#define arch_send_call_function_ipi_mask arch_send_call_function_ipi_mask
/*
* Local timer interrupt handling function (can be IPI'ed).
diff --git a/arch/arm/include/asm/system.h b/arch/arm/include/asm/system.h
index bd4dc8ed53d5..d65b2f5bf41f 100644
--- a/arch/arm/include/asm/system.h
+++ b/arch/arm/include/asm/system.h
@@ -248,6 +248,8 @@ static inline unsigned long __xchg(unsigned long x, volatile void *ptr, int size
unsigned int tmp;
#endif
+ smp_mb();
+
switch (size) {
#if __LINUX_ARM_ARCH__ >= 6
case 1:
@@ -307,6 +309,7 @@ static inline unsigned long __xchg(unsigned long x, volatile void *ptr, int size
__bad_xchg(ptr, size), ret = 0;
break;
}
+ smp_mb();
return ret;
}
@@ -316,6 +319,12 @@ extern void enable_hlt(void);
#include <asm-generic/cmpxchg-local.h>
+#if __LINUX_ARM_ARCH__ < 6
+
+#ifdef CONFIG_SMP
+#error "SMP is not supported on this platform"
+#endif
+
/*
* cmpxchg_local and cmpxchg64_local are atomic wrt current CPU. Always make
* them available.
@@ -329,6 +338,173 @@ extern void enable_hlt(void);
#include <asm-generic/cmpxchg.h>
#endif
+#else /* __LINUX_ARM_ARCH__ >= 6 */
+
+extern void __bad_cmpxchg(volatile void *ptr, int size);
+
+/*
+ * cmpxchg only support 32-bits operands on ARMv6.
+ */
+
+static inline unsigned long __cmpxchg(volatile void *ptr, unsigned long old,
+ unsigned long new, int size)
+{
+ unsigned long oldval, res;
+
+ switch (size) {
+#ifdef CONFIG_CPU_32v6K
+ case 1:
+ do {
+ asm volatile("@ __cmpxchg1\n"
+ " ldrexb %1, [%2]\n"
+ " mov %0, #0\n"
+ " teq %1, %3\n"
+ " strexbeq %0, %4, [%2]\n"
+ : "=&r" (res), "=&r" (oldval)
+ : "r" (ptr), "Ir" (old), "r" (new)
+ : "memory", "cc");
+ } while (res);
+ break;
+ case 2:
+ do {
+ asm volatile("@ __cmpxchg1\n"
+ " ldrexh %1, [%2]\n"
+ " mov %0, #0\n"
+ " teq %1, %3\n"
+ " strexheq %0, %4, [%2]\n"
+ : "=&r" (res), "=&r" (oldval)
+ : "r" (ptr), "Ir" (old), "r" (new)
+ : "memory", "cc");
+ } while (res);
+ break;
+#endif /* CONFIG_CPU_32v6K */
+ case 4:
+ do {
+ asm volatile("@ __cmpxchg4\n"
+ " ldrex %1, [%2]\n"
+ " mov %0, #0\n"
+ " teq %1, %3\n"
+ " strexeq %0, %4, [%2]\n"
+ : "=&r" (res), "=&r" (oldval)
+ : "r" (ptr), "Ir" (old), "r" (new)
+ : "memory", "cc");
+ } while (res);
+ break;
+ default:
+ __bad_cmpxchg(ptr, size);
+ oldval = 0;
+ }
+
+ return oldval;
+}
+
+static inline unsigned long __cmpxchg_mb(volatile void *ptr, unsigned long old,
+ unsigned long new, int size)
+{
+ unsigned long ret;
+
+ smp_mb();
+ ret = __cmpxchg(ptr, old, new, size);
+ smp_mb();
+
+ return ret;
+}
+
+#define cmpxchg(ptr,o,n) \
+ ((__typeof__(*(ptr)))__cmpxchg_mb((ptr), \
+ (unsigned long)(o), \
+ (unsigned long)(n), \
+ sizeof(*(ptr))))
+
+static inline unsigned long __cmpxchg_local(volatile void *ptr,
+ unsigned long old,
+ unsigned long new, int size)
+{
+ unsigned long ret;
+
+ switch (size) {
+#ifndef CONFIG_CPU_32v6K
+ case 1:
+ case 2:
+ ret = __cmpxchg_local_generic(ptr, old, new, size);
+ break;
+#endif /* !CONFIG_CPU_32v6K */
+ default:
+ ret = __cmpxchg(ptr, old, new, size);
+ }
+
+ return ret;
+}
+
+#define cmpxchg_local(ptr,o,n) \
+ ((__typeof__(*(ptr)))__cmpxchg_local((ptr), \
+ (unsigned long)(o), \
+ (unsigned long)(n), \
+ sizeof(*(ptr))))
+
+#ifdef CONFIG_CPU_32v6K
+
+/*
+ * Note : ARMv7-M (currently unsupported by Linux) does not support
+ * ldrexd/strexd. If ARMv7-M is ever supported by the Linux kernel, it should
+ * not be allowed to use __cmpxchg64.
+ */
+static inline unsigned long long __cmpxchg64(volatile void *ptr,
+ unsigned long long old,
+ unsigned long long new)
+{
+ register unsigned long long oldval asm("r0");
+ register unsigned long long __old asm("r2") = old;
+ register unsigned long long __new asm("r4") = new;
+ unsigned long res;
+
+ do {
+ asm volatile(
+ " @ __cmpxchg8\n"
+ " ldrexd %1, %H1, [%2]\n"
+ " mov %0, #0\n"
+ " teq %1, %3\n"
+ " teqeq %H1, %H3\n"
+ " strexdeq %0, %4, %H4, [%2]\n"
+ : "=&r" (res), "=&r" (oldval)
+ : "r" (ptr), "Ir" (__old), "r" (__new)
+ : "memory", "cc");
+ } while (res);
+
+ return oldval;
+}
+
+static inline unsigned long long __cmpxchg64_mb(volatile void *ptr,
+ unsigned long long old,
+ unsigned long long new)
+{
+ unsigned long long ret;
+
+ smp_mb();
+ ret = __cmpxchg64(ptr, old, new);
+ smp_mb();
+
+ return ret;
+}
+
+#define cmpxchg64(ptr,o,n) \
+ ((__typeof__(*(ptr)))__cmpxchg64_mb((ptr), \
+ (unsigned long long)(o), \
+ (unsigned long long)(n)))
+
+#define cmpxchg64_local(ptr,o,n) \
+ ((__typeof__(*(ptr)))__cmpxchg64((ptr), \
+ (unsigned long long)(o), \
+ (unsigned long long)(n)))
+
+#else /* !CONFIG_CPU_32v6K */
+
+#define cmpxchg64_local(ptr, o, n) __cmpxchg64_local_generic((ptr), (o), (n))
+
+#endif /* CONFIG_CPU_32v6K */
+
+#endif /* __LINUX_ARM_ARCH__ >= 6 */
+
#endif /* __ASSEMBLY__ */
#define arch_align_stack(x) (x)
diff --git a/arch/arm/kernel/elf.c b/arch/arm/kernel/elf.c
index d4a0da1e48f4..950391f194c4 100644
--- a/arch/arm/kernel/elf.c
+++ b/arch/arm/kernel/elf.c
@@ -78,6 +78,15 @@ int arm_elf_read_implies_exec(const struct elf32_hdr *x, int executable_stack)
return 1;
if (cpu_architecture() < CPU_ARCH_ARMv6)
return 1;
+#if !defined(CONFIG_AEABI) || defined(CONFIG_OABI_COMPAT)
+ /*
+ * If we have support for OABI programs, we can never allow NX
+ * support - our signal syscall restart mechanism relies upon
+ * being able to execute code placed on the user stack.
+ */
+ return 1;
+#else
return 0;
+#endif
}
EXPORT_SYMBOL(arm_elf_read_implies_exec);
diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S
index d662a2f1fd85..83b1da6b7baa 100644
--- a/arch/arm/kernel/entry-armv.S
+++ b/arch/arm/kernel/entry-armv.S
@@ -815,10 +815,7 @@ __kuser_helper_start:
*/
__kuser_memory_barrier: @ 0xffff0fa0
-
-#if __LINUX_ARM_ARCH__ >= 6 && defined(CONFIG_SMP)
- mcr p15, 0, r0, c7, c10, 5 @ dmb
-#endif
+ smp_dmb
usr_ret lr
.align 5
diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c
index 7801aac3c043..6014dfd22af4 100644
--- a/arch/arm/kernel/smp.c
+++ b/arch/arm/kernel/smp.c
@@ -326,14 +326,14 @@ void __init smp_prepare_boot_cpu(void)
per_cpu(cpu_data, cpu).idle = current;
}
-static void send_ipi_message(cpumask_t callmap, enum ipi_msg_type msg)
+static void send_ipi_message(const struct cpumask *mask, enum ipi_msg_type msg)
{
unsigned long flags;
unsigned int cpu;
local_irq_save(flags);
- for_each_cpu_mask(cpu, callmap) {
+ for_each_cpu(cpu, mask) {
struct ipi_data *ipi = &per_cpu(ipi_data, cpu);
spin_lock(&ipi->lock);
@@ -344,19 +344,19 @@ static void send_ipi_message(cpumask_t callmap, enum ipi_msg_type msg)
/*
* Call the platform specific cross-CPU call function.
*/
- smp_cross_call(callmap);
+ smp_cross_call(mask);
local_irq_restore(flags);
}
-void arch_send_call_function_ipi(cpumask_t mask)
+void arch_send_call_function_ipi_mask(const struct cpumask *mask)
{
send_ipi_message(mask, IPI_CALL_FUNC);
}
void arch_send_call_function_single_ipi(int cpu)
{
- send_ipi_message(cpumask_of_cpu(cpu), IPI_CALL_FUNC_SINGLE);
+ send_ipi_message(cpumask_of(cpu), IPI_CALL_FUNC_SINGLE);
}
void show_ipi_list(struct seq_file *p)
@@ -498,17 +498,10 @@ asmlinkage void __exception do_IPI(struct pt_regs *regs)
void smp_send_reschedule(int cpu)
{
- send_ipi_message(cpumask_of_cpu(cpu), IPI_RESCHEDULE);
+ send_ipi_message(cpumask_of(cpu), IPI_RESCHEDULE);
}
-void smp_send_timer(void)
-{
- cpumask_t mask = cpu_online_map;
- cpu_clear(smp_processor_id(), mask);
- send_ipi_message(mask, IPI_TIMER);
-}
-
-void smp_timer_broadcast(cpumask_t mask)
+void smp_timer_broadcast(const struct cpumask *mask)
{
send_ipi_message(mask, IPI_TIMER);
}
@@ -517,7 +510,7 @@ void smp_send_stop(void)
{
cpumask_t mask = cpu_online_map;
cpu_clear(smp_processor_id(), mask);
- send_ipi_message(mask, IPI_CPU_STOP);
+ send_ipi_message(&mask, IPI_CPU_STOP);
}
/*
@@ -528,20 +521,17 @@ int setup_profiling_timer(unsigned int multiplier)
return -EINVAL;
}
-static int
-on_each_cpu_mask(void (*func)(void *), void *info, int wait, cpumask_t mask)
+static void
+on_each_cpu_mask(void (*func)(void *), void *info, int wait,
+ const struct cpumask *mask)
{
- int ret = 0;
-
preempt_disable();
- ret = smp_call_function_mask(mask, func, info, wait);
- if (cpu_isset(smp_processor_id(), mask))
+ smp_call_function_many(mask, func, info, wait);
+ if (cpumask_test_cpu(smp_processor_id(), mask))
func(info);
preempt_enable();
-
- return ret;
}
/**********************************************************************/
@@ -602,20 +592,17 @@ void flush_tlb_all(void)
void flush_tlb_mm(struct mm_struct *mm)
{
- cpumask_t mask = mm->cpu_vm_mask;
-
- on_each_cpu_mask(ipi_flush_tlb_mm, mm, 1, mask);
+ on_each_cpu_mask(ipi_flush_tlb_mm, mm, 1, &mm->cpu_vm_mask);
}
void flush_tlb_page(struct vm_area_struct *vma, unsigned long uaddr)
{
- cpumask_t mask = vma->vm_mm->cpu_vm_mask;
struct tlb_args ta;
ta.ta_vma = vma;
ta.ta_start = uaddr;
- on_each_cpu_mask(ipi_flush_tlb_page, &ta, 1, mask);
+ on_each_cpu_mask(ipi_flush_tlb_page, &ta, 1, &vma->vm_mm->cpu_vm_mask);
}
void flush_tlb_kernel_page(unsigned long kaddr)
@@ -630,14 +617,13 @@ void flush_tlb_kernel_page(unsigned long kaddr)
void flush_tlb_range(struct vm_area_struct *vma,
unsigned long start, unsigned long end)
{
- cpumask_t mask = vma->vm_mm->cpu_vm_mask;
struct tlb_args ta;
ta.ta_vma = vma;
ta.ta_start = start;
ta.ta_end = end;
- on_each_cpu_mask(ipi_flush_tlb_range, &ta, 1, mask);
+ on_each_cpu_mask(ipi_flush_tlb_range, &ta, 1, &vma->vm_mm->cpu_vm_mask);
}
void flush_tlb_kernel_range(unsigned long start, unsigned long end)
diff --git a/arch/arm/lib/bitops.h b/arch/arm/lib/bitops.h
index 2e787d40d599..c7f2627385e7 100644
--- a/arch/arm/lib/bitops.h
+++ b/arch/arm/lib/bitops.h
@@ -18,12 +18,14 @@
mov r2, #1
add r1, r1, r0, lsr #3 @ Get byte offset
mov r3, r2, lsl r3 @ create mask
+ smp_dmb
1: ldrexb r2, [r1]
ands r0, r2, r3 @ save old value of bit
\instr r2, r2, r3 @ toggle bit
strexb ip, r2, [r1]
cmp ip, #0
bne 1b
+ smp_dmb
cmp r0, #0
movne r0, #1
2: mov pc, lr
diff --git a/arch/arm/mach-ep93xx/clock.c b/arch/arm/mach-ep93xx/clock.c
index e8ebeaea6c48..b2eede5531c8 100644
--- a/arch/arm/mach-ep93xx/clock.c
+++ b/arch/arm/mach-ep93xx/clock.c
@@ -21,15 +21,50 @@
#include <asm/div64.h>
#include <mach/hardware.h>
+
+/*
+ * The EP93xx has two external crystal oscillators. To generate the
+ * required high-frequency clocks, the processor uses two phase-locked-
+ * loops (PLLs) to multiply the incoming external clock signal to much
+ * higher frequencies that are then divided down by programmable dividers
+ * to produce the needed clocks. The PLLs operate independently of one
+ * another.
+ */
+#define EP93XX_EXT_CLK_RATE 14745600
+#define EP93XX_EXT_RTC_RATE 32768
+
+
struct clk {
unsigned long rate;
int users;
+ int sw_locked;
u32 enable_reg;
u32 enable_mask;
+
+ unsigned long (*get_rate)(struct clk *clk);
};
-static struct clk clk_uart = {
- .rate = 14745600,
+
+static unsigned long get_uart_rate(struct clk *clk);
+
+
+static struct clk clk_uart1 = {
+ .sw_locked = 1,
+ .enable_reg = EP93XX_SYSCON_DEVICE_CONFIG,
+ .enable_mask = EP93XX_SYSCON_DEVICE_CONFIG_U1EN,
+ .get_rate = get_uart_rate,
+};
+static struct clk clk_uart2 = {
+ .sw_locked = 1,
+ .enable_reg = EP93XX_SYSCON_DEVICE_CONFIG,
+ .enable_mask = EP93XX_SYSCON_DEVICE_CONFIG_U2EN,
+ .get_rate = get_uart_rate,
+};
+static struct clk clk_uart3 = {
+ .sw_locked = 1,
+ .enable_reg = EP93XX_SYSCON_DEVICE_CONFIG,
+ .enable_mask = EP93XX_SYSCON_DEVICE_CONFIG_U3EN,
+ .get_rate = get_uart_rate,
};
static struct clk clk_pll1;
static struct clk clk_f;
@@ -95,9 +130,9 @@ static struct clk clk_m2m1 = {
{ .dev_id = dev, .con_id = con, .clk = ck }
static struct clk_lookup clocks[] = {
- INIT_CK("apb:uart1", NULL, &clk_uart),
- INIT_CK("apb:uart2", NULL, &clk_uart),
- INIT_CK("apb:uart3", NULL, &clk_uart),
+ INIT_CK("apb:uart1", NULL, &clk_uart1),
+ INIT_CK("apb:uart2", NULL, &clk_uart2),
+ INIT_CK("apb:uart3", NULL, &clk_uart3),
INIT_CK(NULL, "pll1", &clk_pll1),
INIT_CK(NULL, "fclk", &clk_f),
INIT_CK(NULL, "hclk", &clk_h),
@@ -125,6 +160,8 @@ int clk_enable(struct clk *clk)
u32 value;
value = __raw_readl(clk->enable_reg);
+ if (clk->sw_locked)
+ __raw_writel(0xaa, EP93XX_SYSCON_SWLOCK);
__raw_writel(value | clk->enable_mask, clk->enable_reg);
}
@@ -138,13 +175,29 @@ void clk_disable(struct clk *clk)
u32 value;
value = __raw_readl(clk->enable_reg);
+ if (clk->sw_locked)
+ __raw_writel(0xaa, EP93XX_SYSCON_SWLOCK);
__raw_writel(value & ~clk->enable_mask, clk->enable_reg);
}
}
EXPORT_SYMBOL(clk_disable);
+static unsigned long get_uart_rate(struct clk *clk)
+{
+ u32 value;
+
+ value = __raw_readl(EP93XX_SYSCON_CLOCK_CONTROL);
+ if (value & EP93XX_SYSCON_CLOCK_UARTBAUD)
+ return EP93XX_EXT_CLK_RATE;
+ else
+ return EP93XX_EXT_CLK_RATE / 2;
+}
+
unsigned long clk_get_rate(struct clk *clk)
{
+ if (clk->get_rate)
+ return clk->get_rate(clk);
+
return clk->rate;
}
EXPORT_SYMBOL(clk_get_rate);
@@ -162,7 +215,7 @@ static unsigned long calc_pll_rate(u32 config_word)
unsigned long long rate;
int i;
- rate = 14745600;
+ rate = EP93XX_EXT_CLK_RATE;
rate *= ((config_word >> 11) & 0x1f) + 1; /* X1FBD */
rate *= ((config_word >> 5) & 0x3f) + 1; /* X2FBD */
do_div(rate, (config_word & 0x1f) + 1); /* X2IPD */
@@ -195,7 +248,7 @@ static int __init ep93xx_clock_init(void)
value = __raw_readl(EP93XX_SYSCON_CLOCK_SET1);
if (!(value & 0x00800000)) { /* PLL1 bypassed? */
- clk_pll1.rate = 14745600;
+ clk_pll1.rate = EP93XX_EXT_CLK_RATE;
} else {
clk_pll1.rate = calc_pll_rate(value);
}
@@ -206,7 +259,7 @@ static int __init ep93xx_clock_init(void)
value = __raw_readl(EP93XX_SYSCON_CLOCK_SET2);
if (!(value & 0x00080000)) { /* PLL2 bypassed? */
- clk_pll2.rate = 14745600;
+ clk_pll2.rate = EP93XX_EXT_CLK_RATE;
} else if (value & 0x00040000) { /* PLL2 enabled? */
clk_pll2.rate = calc_pll_rate(value);
} else {
diff --git a/arch/arm/mach-ep93xx/include/mach/ep93xx-regs.h b/arch/arm/mach-ep93xx/include/mach/ep93xx-regs.h
index f66be12b856e..1732de7629a5 100644
--- a/arch/arm/mach-ep93xx/include/mach/ep93xx-regs.h
+++ b/arch/arm/mach-ep93xx/include/mach/ep93xx-regs.h
@@ -159,7 +159,10 @@
#define EP93XX_SYSCON_CLOCK_SET1 EP93XX_SYSCON_REG(0x20)
#define EP93XX_SYSCON_CLOCK_SET2 EP93XX_SYSCON_REG(0x24)
#define EP93XX_SYSCON_DEVICE_CONFIG EP93XX_SYSCON_REG(0x80)
-#define EP93XX_SYSCON_DEVICE_CONFIG_CRUNCH_ENABLE 0x00800000
+#define EP93XX_SYSCON_DEVICE_CONFIG_U3EN (1<<24)
+#define EP93XX_SYSCON_DEVICE_CONFIG_CRUNCH_ENABLE (1<<23)
+#define EP93XX_SYSCON_DEVICE_CONFIG_U2EN (1<<20)
+#define EP93XX_SYSCON_DEVICE_CONFIG_U1EN (1<<18)
#define EP93XX_SYSCON_SWLOCK EP93XX_SYSCON_REG(0xc0)
#define EP93XX_WATCHDOG_BASE (EP93XX_APB_VIRT_BASE + 0x00140000)
diff --git a/arch/arm/mach-gemini/include/mach/hardware.h b/arch/arm/mach-gemini/include/mach/hardware.h
index de6752674c05..213a4fcfeb1c 100644
--- a/arch/arm/mach-gemini/include/mach/hardware.h
+++ b/arch/arm/mach-gemini/include/mach/hardware.h
@@ -15,10 +15,9 @@
/*
* Memory Map definitions
*/
-/* FIXME: Does it really swap SRAM like this? */
#ifdef CONFIG_GEMINI_MEM_SWAP
# define GEMINI_DRAM_BASE 0x00000000
-# define GEMINI_SRAM_BASE 0x20000000
+# define GEMINI_SRAM_BASE 0x70000000
#else
# define GEMINI_SRAM_BASE 0x00000000
# define GEMINI_DRAM_BASE 0x10000000
diff --git a/arch/arm/mach-integrator/core.c b/arch/arm/mach-integrator/core.c
index 6f8872913073..a0f60e55da6a 100644
--- a/arch/arm/mach-integrator/core.c
+++ b/arch/arm/mach-integrator/core.c
@@ -121,7 +121,7 @@ static struct clk uartclk = {
.rate = 14745600,
};
-static struct clk_lookup lookups[] __initdata = {
+static struct clk_lookup lookups[] = {
{ /* UART0 */
.dev_id = "mb:16",
.clk = &uartclk,
diff --git a/arch/arm/mach-kirkwood/common.c b/arch/arm/mach-kirkwood/common.c
index eeb00240d784..be1ca28fed3f 100644
--- a/arch/arm/mach-kirkwood/common.c
+++ b/arch/arm/mach-kirkwood/common.c
@@ -144,6 +144,9 @@ static struct platform_device kirkwood_ge00 = {
.id = 0,
.num_resources = 1,
.resource = kirkwood_ge00_resources,
+ .dev = {
+ .coherent_dma_mask = 0xffffffff,
+ },
};
void __init kirkwood_ge00_init(struct mv643xx_eth_platform_data *eth_data)
@@ -202,6 +205,9 @@ static struct platform_device kirkwood_ge01 = {
.id = 1,
.num_resources = 1,
.resource = kirkwood_ge01_resources,
+ .dev = {
+ .coherent_dma_mask = 0xffffffff,
+ },
};
void __init kirkwood_ge01_init(struct mv643xx_eth_platform_data *eth_data)
@@ -386,12 +392,10 @@ static struct mv64xxx_i2c_pdata kirkwood_i2c_pdata = {
static struct resource kirkwood_i2c_resources[] = {
{
- .name = "i2c",
.start = I2C_PHYS_BASE,
.end = I2C_PHYS_BASE + 0x1f,
.flags = IORESOURCE_MEM,
}, {
- .name = "i2c",
.start = IRQ_KIRKWOOD_TWSI,
.end = IRQ_KIRKWOOD_TWSI,
.flags = IORESOURCE_IRQ,
diff --git a/arch/arm/mach-kirkwood/ts219-setup.c b/arch/arm/mach-kirkwood/ts219-setup.c
index dda5743cf3e0..01aa213c0a6f 100644
--- a/arch/arm/mach-kirkwood/ts219-setup.c
+++ b/arch/arm/mach-kirkwood/ts219-setup.c
@@ -142,6 +142,8 @@ static unsigned int qnap_ts219_mpp_config[] __initdata = {
MPP1_SPI_MOSI,
MPP2_SPI_SCK,
MPP3_SPI_MISO,
+ MPP4_SATA1_ACTn,
+ MPP5_SATA0_ACTn,
MPP8_TW_SDA,
MPP9_TW_SCK,
MPP10_UART0_TXD,
@@ -150,10 +152,6 @@ static unsigned int qnap_ts219_mpp_config[] __initdata = {
MPP14_UART1_RXD, /* PIC controller */
MPP15_GPIO, /* USB Copy button */
MPP16_GPIO, /* Reset button */
- MPP20_SATA1_ACTn,
- MPP21_SATA0_ACTn,
- MPP22_SATA1_PRESENTn,
- MPP23_SATA0_PRESENTn,
0
};
diff --git a/arch/arm/mach-l7200/include/mach/sys-clock.h b/arch/arm/mach-l7200/include/mach/sys-clock.h
index 2d7722be60ea..e9729a35751d 100644
--- a/arch/arm/mach-l7200/include/mach/sys-clock.h
+++ b/arch/arm/mach-l7200/include/mach/sys-clock.h
@@ -18,7 +18,7 @@
/* IO_START and IO_BASE are defined in hardware.h */
-#define SYS_CLOCK_START (IO_START + SYS_CLCOK_OFF) /* Physical address */
+#define SYS_CLOCK_START (IO_START + SYS_CLOCK_OFF) /* Physical address */
#define SYS_CLOCK_BASE (IO_BASE + SYS_CLOCK_OFF) /* Virtual address */
/* Define the interface to the SYS_CLOCK */
diff --git a/arch/arm/mach-loki/common.c b/arch/arm/mach-loki/common.c
index c0d2d9d12e74..818f19d7ab1f 100644
--- a/arch/arm/mach-loki/common.c
+++ b/arch/arm/mach-loki/common.c
@@ -82,6 +82,9 @@ static struct platform_device loki_ge0 = {
.id = 0,
.num_resources = 1,
.resource = loki_ge0_resources,
+ .dev = {
+ .coherent_dma_mask = 0xffffffff,
+ },
};
void __init loki_ge0_init(struct mv643xx_eth_platform_data *eth_data)
@@ -136,6 +139,9 @@ static struct platform_device loki_ge1 = {
.id = 1,
.num_resources = 1,
.resource = loki_ge1_resources,
+ .dev = {
+ .coherent_dma_mask = 0xffffffff,
+ },
};
void __init loki_ge1_init(struct mv643xx_eth_platform_data *eth_data)
diff --git a/arch/arm/mach-mmp/include/mach/mfp-pxa168.h b/arch/arm/mach-mmp/include/mach/mfp-pxa168.h
index d0bdb6e3682b..2e914649b9e4 100644
--- a/arch/arm/mach-mmp/include/mach/mfp-pxa168.h
+++ b/arch/arm/mach-mmp/include/mach/mfp-pxa168.h
@@ -3,6 +3,11 @@
#include <mach/mfp.h>
+#define MFP_DRIVE_VERY_SLOW (0x0 << 13)
+#define MFP_DRIVE_SLOW (0x1 << 13)
+#define MFP_DRIVE_MEDIUM (0x2 << 13)
+#define MFP_DRIVE_FAST (0x3 << 13)
+
/* GPIO */
#define GPIO0_GPIO MFP_CFG(GPIO0, AF5)
#define GPIO1_GPIO MFP_CFG(GPIO1, AF5)
diff --git a/arch/arm/mach-mmp/include/mach/mfp-pxa910.h b/arch/arm/mach-mmp/include/mach/mfp-pxa910.h
index 48a1cbc7c56b..d97de36c50ad 100644
--- a/arch/arm/mach-mmp/include/mach/mfp-pxa910.h
+++ b/arch/arm/mach-mmp/include/mach/mfp-pxa910.h
@@ -3,6 +3,11 @@
#include <mach/mfp.h>
+#define MFP_DRIVE_VERY_SLOW (0x0 << 13)
+#define MFP_DRIVE_SLOW (0x2 << 13)
+#define MFP_DRIVE_MEDIUM (0x4 << 13)
+#define MFP_DRIVE_FAST (0x8 << 13)
+
/* UART2 */
#define GPIO47_UART2_RXD MFP_CFG(GPIO47, AF6)
#define GPIO48_UART2_TXD MFP_CFG(GPIO48, AF6)
diff --git a/arch/arm/mach-mmp/include/mach/mfp.h b/arch/arm/mach-mmp/include/mach/mfp.h
index 277ea4cd0f9f..62e510e80a58 100644
--- a/arch/arm/mach-mmp/include/mach/mfp.h
+++ b/arch/arm/mach-mmp/include/mach/mfp.h
@@ -12,16 +12,13 @@
* possible, we make the following compromise:
*
* 1. SLEEP_OE_N will always be programmed to '1' (by MFP_LPM_FLOAT)
- * 2. DRIVE strength definitions redefined to include the reserved bit10
+ * 2. DRIVE strength definitions redefined to include the reserved bit
+ * - the reserved bit differs between pxa168 and pxa910, and the
+ * MFP_DRIVE_* macros are individually defined in mfp-pxa{168,910}.h
* 3. Override MFP_CFG() and MFP_CFG_DRV()
* 4. Drop the use of MFP_CFG_LPM() and MFP_CFG_X()
*/
-#define MFP_DRIVE_VERY_SLOW (0x0 << 13)
-#define MFP_DRIVE_SLOW (0x2 << 13)
-#define MFP_DRIVE_MEDIUM (0x4 << 13)
-#define MFP_DRIVE_FAST (0x8 << 13)
-
#undef MFP_CFG
#undef MFP_CFG_DRV
#undef MFP_CFG_LPM
diff --git a/arch/arm/mach-mmp/time.c b/arch/arm/mach-mmp/time.c
index b03a6eda7419..a8400bb891e7 100644
--- a/arch/arm/mach-mmp/time.c
+++ b/arch/arm/mach-mmp/time.c
@@ -136,7 +136,7 @@ static struct clock_event_device ckevt = {
.set_mode = timer_set_mode,
};
-static cycle_t clksrc_read(void)
+static cycle_t clksrc_read(struct clocksource *cs)
{
return timer_read();
}
diff --git a/arch/arm/mach-mv78xx0/common.c b/arch/arm/mach-mv78xx0/common.c
index 9ba595083dab..1b22e4af8791 100644
--- a/arch/arm/mach-mv78xx0/common.c
+++ b/arch/arm/mach-mv78xx0/common.c
@@ -321,6 +321,9 @@ static struct platform_device mv78xx0_ge00 = {
.id = 0,
.num_resources = 1,
.resource = mv78xx0_ge00_resources,
+ .dev = {
+ .coherent_dma_mask = 0xffffffff,
+ },
};
void __init mv78xx0_ge00_init(struct mv643xx_eth_platform_data *eth_data)
@@ -375,6 +378,9 @@ static struct platform_device mv78xx0_ge01 = {
.id = 1,
.num_resources = 1,
.resource = mv78xx0_ge01_resources,
+ .dev = {
+ .coherent_dma_mask = 0xffffffff,
+ },
};
void __init mv78xx0_ge01_init(struct mv643xx_eth_platform_data *eth_data)
@@ -429,6 +435,9 @@ static struct platform_device mv78xx0_ge10 = {
.id = 2,
.num_resources = 1,
.resource = mv78xx0_ge10_resources,
+ .dev = {
+ .coherent_dma_mask = 0xffffffff,
+ },
};
void __init mv78xx0_ge10_init(struct mv643xx_eth_platform_data *eth_data)
@@ -496,6 +505,9 @@ static struct platform_device mv78xx0_ge11 = {
.id = 3,
.num_resources = 1,
.resource = mv78xx0_ge11_resources,
+ .dev = {
+ .coherent_dma_mask = 0xffffffff,
+ },
};
void __init mv78xx0_ge11_init(struct mv643xx_eth_platform_data *eth_data)
@@ -532,12 +544,10 @@ static struct mv64xxx_i2c_pdata mv78xx0_i2c_0_pdata = {
static struct resource mv78xx0_i2c_0_resources[] = {
{
- .name = "i2c 0 base",
.start = I2C_0_PHYS_BASE,
.end = I2C_0_PHYS_BASE + 0x1f,
.flags = IORESOURCE_MEM,
}, {
- .name = "i2c 0 irq",
.start = IRQ_MV78XX0_I2C_0,
.end = IRQ_MV78XX0_I2C_0,
.flags = IORESOURCE_IRQ,
@@ -567,12 +577,10 @@ static struct mv64xxx_i2c_pdata mv78xx0_i2c_1_pdata = {
static struct resource mv78xx0_i2c_1_resources[] = {
{
- .name = "i2c 1 base",
.start = I2C_1_PHYS_BASE,
.end = I2C_1_PHYS_BASE + 0x1f,
.flags = IORESOURCE_MEM,
}, {
- .name = "i2c 1 irq",
.start = IRQ_MV78XX0_I2C_1,
.end = IRQ_MV78XX0_I2C_1,
.flags = IORESOURCE_IRQ,
diff --git a/arch/arm/mach-omap2/clock24xx.c b/arch/arm/mach-omap2/clock24xx.c
index efc59c49341b..e4cef333e291 100644
--- a/arch/arm/mach-omap2/clock24xx.c
+++ b/arch/arm/mach-omap2/clock24xx.c
@@ -103,10 +103,10 @@ static struct omap_clk omap24xx_clks[] = {
CLK(NULL, "mdm_ick", &mdm_ick, CK_243X),
CLK(NULL, "mdm_osc_ck", &mdm_osc_ck, CK_243X),
/* DSS domain clocks */
- CLK(NULL, "dss_ick", &dss_ick, CK_243X | CK_242X),
- CLK(NULL, "dss1_fck", &dss1_fck, CK_243X | CK_242X),
- CLK(NULL, "dss2_fck", &dss2_fck, CK_243X | CK_242X),
- CLK(NULL, "dss_54m_fck", &dss_54m_fck, CK_243X | CK_242X),
+ CLK("omapfb", "ick", &dss_ick, CK_243X | CK_242X),
+ CLK("omapfb", "dss1_fck", &dss1_fck, CK_243X | CK_242X),
+ CLK("omapfb", "dss2_fck", &dss2_fck, CK_243X | CK_242X),
+ CLK("omapfb", "tv_fck", &dss_54m_fck, CK_243X | CK_242X),
/* L3 domain clocks */
CLK(NULL, "core_l3_ck", &core_l3_ck, CK_243X | CK_242X),
CLK(NULL, "ssi_fck", &ssi_ssr_sst_fck, CK_243X | CK_242X),
@@ -206,7 +206,7 @@ static struct omap_clk omap24xx_clks[] = {
CLK(NULL, "aes_ick", &aes_ick, CK_243X | CK_242X),
CLK(NULL, "pka_ick", &pka_ick, CK_243X | CK_242X),
CLK(NULL, "usb_fck", &usb_fck, CK_243X | CK_242X),
- CLK(NULL, "usbhs_ick", &usbhs_ick, CK_243X),
+ CLK("musb_hdrc", "ick", &usbhs_ick, CK_243X),
CLK("mmci-omap-hs.0", "ick", &mmchs1_ick, CK_243X),
CLK("mmci-omap-hs.0", "fck", &mmchs1_fck, CK_243X),
CLK("mmci-omap-hs.1", "ick", &mmchs2_ick, CK_243X),
diff --git a/arch/arm/mach-omap2/clock34xx.c b/arch/arm/mach-omap2/clock34xx.c
index 0a14dca31e30..ba05aa42bd8e 100644
--- a/arch/arm/mach-omap2/clock34xx.c
+++ b/arch/arm/mach-omap2/clock34xx.c
@@ -157,7 +157,7 @@ static struct omap_clk omap34xx_clks[] = {
CLK(NULL, "ssi_ssr_fck", &ssi_ssr_fck, CK_343X),
CLK(NULL, "ssi_sst_fck", &ssi_sst_fck, CK_343X),
CLK(NULL, "core_l3_ick", &core_l3_ick, CK_343X),
- CLK(NULL, "hsotgusb_ick", &hsotgusb_ick, CK_343X),
+ CLK("musb_hdrc", "ick", &hsotgusb_ick, CK_343X),
CLK(NULL, "sdrc_ick", &sdrc_ick, CK_343X),
CLK(NULL, "gpmc_fck", &gpmc_fck, CK_343X),
CLK(NULL, "security_l3_ick", &security_l3_ick, CK_343X),
@@ -197,11 +197,11 @@ static struct omap_clk omap34xx_clks[] = {
CLK("omap_rng", "ick", &rng_ick, CK_343X),
CLK(NULL, "sha11_ick", &sha11_ick, CK_343X),
CLK(NULL, "des1_ick", &des1_ick, CK_343X),
- CLK(NULL, "dss1_alwon_fck", &dss1_alwon_fck, CK_343X),
- CLK(NULL, "dss_tv_fck", &dss_tv_fck, CK_343X),
- CLK(NULL, "dss_96m_fck", &dss_96m_fck, CK_343X),
- CLK(NULL, "dss2_alwon_fck", &dss2_alwon_fck, CK_343X),
- CLK(NULL, "dss_ick", &dss_ick, CK_343X),
+ CLK("omapfb", "dss1_fck", &dss1_alwon_fck, CK_343X),
+ CLK("omapfb", "tv_fck", &dss_tv_fck, CK_343X),
+ CLK("omapfb", "video_fck", &dss_96m_fck, CK_343X),
+ CLK("omapfb", "dss2_fck", &dss2_alwon_fck, CK_343X),
+ CLK("omapfb", "ick", &dss_ick, CK_343X),
CLK(NULL, "cam_mclk", &cam_mclk, CK_343X),
CLK(NULL, "cam_ick", &cam_ick, CK_343X),
CLK(NULL, "csi2_96m_fck", &csi2_96m_fck, CK_343X),
diff --git a/arch/arm/mach-omap2/clock34xx.h b/arch/arm/mach-omap2/clock34xx.h
index 6763b8f73028..017a30e9aa1d 100644
--- a/arch/arm/mach-omap2/clock34xx.h
+++ b/arch/arm/mach-omap2/clock34xx.h
@@ -2182,7 +2182,7 @@ static struct clk wkup_32k_fck = {
static struct clk gpio1_dbck = {
.name = "gpio1_dbck",
- .ops = &clkops_omap2_dflt_wait,
+ .ops = &clkops_omap2_dflt,
.parent = &wkup_32k_fck,
.enable_reg = OMAP_CM_REGADDR(WKUP_MOD, CM_FCLKEN),
.enable_bit = OMAP3430_EN_GPIO1_SHIFT,
@@ -2427,7 +2427,7 @@ static struct clk per_32k_alwon_fck = {
static struct clk gpio6_dbck = {
.name = "gpio6_dbck",
- .ops = &clkops_omap2_dflt_wait,
+ .ops = &clkops_omap2_dflt,
.parent = &per_32k_alwon_fck,
.enable_reg = OMAP_CM_REGADDR(OMAP3430_PER_MOD, CM_FCLKEN),
.enable_bit = OMAP3430_EN_GPIO6_SHIFT,
@@ -2437,7 +2437,7 @@ static struct clk gpio6_dbck = {
static struct clk gpio5_dbck = {
.name = "gpio5_dbck",
- .ops = &clkops_omap2_dflt_wait,
+ .ops = &clkops_omap2_dflt,
.parent = &per_32k_alwon_fck,
.enable_reg = OMAP_CM_REGADDR(OMAP3430_PER_MOD, CM_FCLKEN),
.enable_bit = OMAP3430_EN_GPIO5_SHIFT,
@@ -2447,7 +2447,7 @@ static struct clk gpio5_dbck = {
static struct clk gpio4_dbck = {
.name = "gpio4_dbck",
- .ops = &clkops_omap2_dflt_wait,
+ .ops = &clkops_omap2_dflt,
.parent = &per_32k_alwon_fck,
.enable_reg = OMAP_CM_REGADDR(OMAP3430_PER_MOD, CM_FCLKEN),
.enable_bit = OMAP3430_EN_GPIO4_SHIFT,
@@ -2457,7 +2457,7 @@ static struct clk gpio4_dbck = {
static struct clk gpio3_dbck = {
.name = "gpio3_dbck",
- .ops = &clkops_omap2_dflt_wait,
+ .ops = &clkops_omap2_dflt,
.parent = &per_32k_alwon_fck,
.enable_reg = OMAP_CM_REGADDR(OMAP3430_PER_MOD, CM_FCLKEN),
.enable_bit = OMAP3430_EN_GPIO3_SHIFT,
@@ -2467,7 +2467,7 @@ static struct clk gpio3_dbck = {
static struct clk gpio2_dbck = {
.name = "gpio2_dbck",
- .ops = &clkops_omap2_dflt_wait,
+ .ops = &clkops_omap2_dflt,
.parent = &per_32k_alwon_fck,
.enable_reg = OMAP_CM_REGADDR(OMAP3430_PER_MOD, CM_FCLKEN),
.enable_bit = OMAP3430_EN_GPIO2_SHIFT,
diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c
index 496983ade97e..894cc355818a 100644
--- a/arch/arm/mach-omap2/devices.c
+++ b/arch/arm/mach-omap2/devices.c
@@ -354,10 +354,12 @@ static void omap_init_mcspi(void)
platform_device_register(&omap2_mcspi1);
platform_device_register(&omap2_mcspi2);
#if defined(CONFIG_ARCH_OMAP2430) || defined(CONFIG_ARCH_OMAP3)
- platform_device_register(&omap2_mcspi3);
+ if (cpu_is_omap2430() || cpu_is_omap343x())
+ platform_device_register(&omap2_mcspi3);
#endif
#ifdef CONFIG_ARCH_OMAP3
- platform_device_register(&omap2_mcspi4);
+ if (cpu_is_omap343x())
+ platform_device_register(&omap2_mcspi4);
#endif
}
diff --git a/arch/arm/mach-omap2/prm-regbits-34xx.h b/arch/arm/mach-omap2/prm-regbits-34xx.h
index c6a7940f4287..9fd03a2ec95c 100644
--- a/arch/arm/mach-omap2/prm-regbits-34xx.h
+++ b/arch/arm/mach-omap2/prm-regbits-34xx.h
@@ -409,7 +409,7 @@
/* PM_PREPWSTST_CAM specific bits */
/* PM_PWSTCTRL_USBHOST specific bits */
-#define OMAP3430ES2_SAVEANDRESTORE_SHIFT (1 << 4)
+#define OMAP3430ES2_SAVEANDRESTORE_SHIFT 4
/* RM_RSTST_PER specific bits */
diff --git a/arch/arm/mach-omap2/usb-tusb6010.c b/arch/arm/mach-omap2/usb-tusb6010.c
index 8df55f40f4c0..8622c24cd270 100644
--- a/arch/arm/mach-omap2/usb-tusb6010.c
+++ b/arch/arm/mach-omap2/usb-tusb6010.c
@@ -187,7 +187,7 @@ int tusb6010_platform_retime(unsigned is_refclk)
unsigned sysclk_ps;
int status;
- if (!refclk_psec || sysclk_ps == 0)
+ if (!refclk_psec || fclk_ps == 0)
return -ENODEV;
sysclk_ps = is_refclk ? refclk_psec : TUSB6010_OSCCLK_60;
diff --git a/arch/arm/mach-orion5x/common.c b/arch/arm/mach-orion5x/common.c
index 6af99ddabdfb..b1c7778d9f96 100644
--- a/arch/arm/mach-orion5x/common.c
+++ b/arch/arm/mach-orion5x/common.c
@@ -188,6 +188,9 @@ static struct platform_device orion5x_eth = {
.id = 0,
.num_resources = 1,
.resource = orion5x_eth_resources,
+ .dev = {
+ .coherent_dma_mask = 0xffffffff,
+ },
};
void __init orion5x_eth_init(struct mv643xx_eth_platform_data *eth_data)
@@ -248,12 +251,10 @@ static struct mv64xxx_i2c_pdata orion5x_i2c_pdata = {
static struct resource orion5x_i2c_resources[] = {
{
- .name = "i2c base",
.start = I2C_PHYS_BASE,
.end = I2C_PHYS_BASE + 0x1f,
.flags = IORESOURCE_MEM,
}, {
- .name = "i2c irq",
.start = IRQ_ORION5X_I2C,
.end = IRQ_ORION5X_I2C,
.flags = IORESOURCE_IRQ,
diff --git a/arch/arm/mach-pxa/ezx.c b/arch/arm/mach-pxa/ezx.c
index 92ba16e1b6fc..7db966dc29ce 100644
--- a/arch/arm/mach-pxa/ezx.c
+++ b/arch/arm/mach-pxa/ezx.c
@@ -111,9 +111,9 @@ static unsigned long ezx_pin_config[] __initdata = {
GPIO25_SSP1_TXD,
GPIO26_SSP1_RXD,
GPIO24_GPIO, /* pcap chip select */
- GPIO1_GPIO, /* pcap interrupt */
- GPIO4_GPIO, /* WDI_AP */
- GPIO55_GPIO, /* SYS_RESTART */
+ GPIO1_GPIO | WAKEUP_ON_EDGE_RISE, /* pcap interrupt */
+ GPIO4_GPIO | MFP_LPM_DRIVE_HIGH, /* WDI_AP */
+ GPIO55_GPIO | MFP_LPM_DRIVE_HIGH, /* SYS_RESTART */
/* MMC */
GPIO32_MMC_CLK,
@@ -144,20 +144,20 @@ static unsigned long ezx_pin_config[] __initdata = {
#if defined(CONFIG_MACH_EZX_A780) || defined(CONFIG_MACH_EZX_E680)
static unsigned long gen1_pin_config[] __initdata = {
/* flip / lockswitch */
- GPIO12_GPIO,
+ GPIO12_GPIO | WAKEUP_ON_EDGE_BOTH,
/* bluetooth (bcm2035) */
- GPIO14_GPIO | WAKEUP_ON_LEVEL_HIGH, /* HOSTWAKE */
+ GPIO14_GPIO | WAKEUP_ON_EDGE_RISE, /* HOSTWAKE */
GPIO48_GPIO, /* RESET */
GPIO28_GPIO, /* WAKEUP */
/* Neptune handshake */
- GPIO0_GPIO | WAKEUP_ON_LEVEL_HIGH, /* BP_RDY */
- GPIO57_GPIO, /* AP_RDY */
- GPIO13_GPIO | WAKEUP_ON_LEVEL_HIGH, /* WDI */
- GPIO3_GPIO | WAKEUP_ON_LEVEL_HIGH, /* WDI2 */
- GPIO82_GPIO, /* RESET */
- GPIO99_GPIO, /* TC_MM_EN */
+ GPIO0_GPIO | WAKEUP_ON_EDGE_FALL, /* BP_RDY */
+ GPIO57_GPIO | MFP_LPM_DRIVE_HIGH, /* AP_RDY */
+ GPIO13_GPIO | WAKEUP_ON_EDGE_BOTH, /* WDI */
+ GPIO3_GPIO | WAKEUP_ON_EDGE_BOTH, /* WDI2 */
+ GPIO82_GPIO | MFP_LPM_DRIVE_HIGH, /* RESET */
+ GPIO99_GPIO | MFP_LPM_DRIVE_HIGH, /* TC_MM_EN */
/* sound */
GPIO52_SSP3_SCLK,
@@ -199,21 +199,21 @@ static unsigned long gen1_pin_config[] __initdata = {
defined(CONFIG_MACH_EZX_E2) || defined(CONFIG_MACH_EZX_E6)
static unsigned long gen2_pin_config[] __initdata = {
/* flip / lockswitch */
- GPIO15_GPIO,
+ GPIO15_GPIO | WAKEUP_ON_EDGE_BOTH,
/* EOC */
- GPIO10_GPIO,
+ GPIO10_GPIO | WAKEUP_ON_EDGE_RISE,
/* bluetooth (bcm2045) */
- GPIO13_GPIO | WAKEUP_ON_LEVEL_HIGH, /* HOSTWAKE */
+ GPIO13_GPIO | WAKEUP_ON_EDGE_RISE, /* HOSTWAKE */
GPIO37_GPIO, /* RESET */
GPIO57_GPIO, /* WAKEUP */
/* Neptune handshake */
- GPIO0_GPIO | WAKEUP_ON_LEVEL_HIGH, /* BP_RDY */
- GPIO96_GPIO, /* AP_RDY */
- GPIO3_GPIO | WAKEUP_ON_LEVEL_HIGH, /* WDI */
- GPIO116_GPIO, /* RESET */
+ GPIO0_GPIO | WAKEUP_ON_EDGE_FALL, /* BP_RDY */
+ GPIO96_GPIO | MFP_LPM_DRIVE_HIGH, /* AP_RDY */
+ GPIO3_GPIO | WAKEUP_ON_EDGE_FALL, /* WDI */
+ GPIO116_GPIO | MFP_LPM_DRIVE_HIGH, /* RESET */
GPIO41_GPIO, /* BP_FLASH */
/* sound */
diff --git a/arch/arm/mach-pxa/include/mach/reset.h b/arch/arm/mach-pxa/include/mach/reset.h
index 31e6a7b6ad80..b6c10556fbc7 100644
--- a/arch/arm/mach-pxa/include/mach/reset.h
+++ b/arch/arm/mach-pxa/include/mach/reset.h
@@ -13,8 +13,9 @@ extern void clear_reset_status(unsigned int mask);
/**
* init_gpio_reset() - register GPIO as reset generator
* @gpio: gpio nr
- * @output: set gpio as out/low instead of input during normal work
+ * @output: set gpio as output instead of input during normal work
+ * @level: output level
*/
-extern int init_gpio_reset(int gpio, int output);
+extern int init_gpio_reset(int gpio, int output, int level);
#endif /* __ASM_ARCH_RESET_H */
diff --git a/arch/arm/mach-pxa/mfp-pxa2xx.c b/arch/arm/mach-pxa/mfp-pxa2xx.c
index 7ffb91d64c39..cf6b720c055f 100644
--- a/arch/arm/mach-pxa/mfp-pxa2xx.c
+++ b/arch/arm/mach-pxa/mfp-pxa2xx.c
@@ -322,6 +322,7 @@ static inline void pxa27x_mfp_init(void) {}
#ifdef CONFIG_PM
static unsigned long saved_gafr[2][4];
static unsigned long saved_gpdr[4];
+static unsigned long saved_pgsr[4];
static int pxa2xx_mfp_suspend(struct sys_device *d, pm_message_t state)
{
@@ -332,6 +333,7 @@ static int pxa2xx_mfp_suspend(struct sys_device *d, pm_message_t state)
saved_gafr[0][i] = GAFR_L(i);
saved_gafr[1][i] = GAFR_U(i);
saved_gpdr[i] = GPDR(i * 32);
+ saved_pgsr[i] = PGSR(i);
GPDR(i * 32) = gpdr_lpm[i];
}
@@ -346,6 +348,7 @@ static int pxa2xx_mfp_resume(struct sys_device *d)
GAFR_L(i) = saved_gafr[0][i];
GAFR_U(i) = saved_gafr[1][i];
GPDR(i * 32) = saved_gpdr[i];
+ PGSR(i) = saved_pgsr[i];
}
PSSR = PSSR_RDH | PSSR_PH;
return 0;
@@ -374,6 +377,9 @@ static int __init pxa2xx_mfp_init(void)
if (cpu_is_pxa27x())
pxa27x_mfp_init();
+ /* clear RDH bit to enable GPIO receivers after reset/sleep exit */
+ PSSR = PSSR_RDH;
+
/* initialize gafr_run[], pgsr_lpm[] from existing values */
for (i = 0; i <= gpio_to_bank(pxa_last_gpio); i++)
gpdr_lpm[i] = GPDR(i * 32);
diff --git a/arch/arm/mach-pxa/palmld.c b/arch/arm/mach-pxa/palmld.c
index 1cec1806f002..471a853e548b 100644
--- a/arch/arm/mach-pxa/palmld.c
+++ b/arch/arm/mach-pxa/palmld.c
@@ -62,6 +62,8 @@ static unsigned long palmld_pin_config[] __initdata = {
GPIO29_AC97_SDATA_IN_0,
GPIO30_AC97_SDATA_OUT,
GPIO31_AC97_SYNC,
+ GPIO89_AC97_SYSCLK,
+ GPIO95_AC97_nRESET,
/* IrDA */
GPIO108_GPIO, /* ir disable */
diff --git a/arch/arm/mach-pxa/palmt5.c b/arch/arm/mach-pxa/palmt5.c
index 30662363907b..05bf979b78a6 100644
--- a/arch/arm/mach-pxa/palmt5.c
+++ b/arch/arm/mach-pxa/palmt5.c
@@ -64,6 +64,7 @@ static unsigned long palmt5_pin_config[] __initdata = {
GPIO29_AC97_SDATA_IN_0,
GPIO30_AC97_SDATA_OUT,
GPIO31_AC97_SYNC,
+ GPIO89_AC97_SYSCLK,
GPIO95_AC97_nRESET,
/* IrDA */
diff --git a/arch/arm/mach-pxa/palmtx.c b/arch/arm/mach-pxa/palmtx.c
index e2d44b1a8a9b..e99a893c58a7 100644
--- a/arch/arm/mach-pxa/palmtx.c
+++ b/arch/arm/mach-pxa/palmtx.c
@@ -65,6 +65,7 @@ static unsigned long palmtx_pin_config[] __initdata = {
GPIO29_AC97_SDATA_IN_0,
GPIO30_AC97_SDATA_OUT,
GPIO31_AC97_SYNC,
+ GPIO89_AC97_SYSCLK,
GPIO95_AC97_nRESET,
/* IrDA */
diff --git a/arch/arm/mach-pxa/reset.c b/arch/arm/mach-pxa/reset.c
index df29d45fb4e7..01e9d643394a 100644
--- a/arch/arm/mach-pxa/reset.c
+++ b/arch/arm/mach-pxa/reset.c
@@ -20,7 +20,7 @@ static void do_hw_reset(void);
static int reset_gpio = -1;
-int init_gpio_reset(int gpio, int output)
+int init_gpio_reset(int gpio, int output, int level)
{
int rc;
@@ -31,7 +31,7 @@ int init_gpio_reset(int gpio, int output)
}
if (output)
- rc = gpio_direction_output(gpio, 0);
+ rc = gpio_direction_output(gpio, level);
else
rc = gpio_direction_input(gpio);
if (rc) {
diff --git a/arch/arm/mach-pxa/spitz.c b/arch/arm/mach-pxa/spitz.c
index c18e34acafcb..5a45fe340a10 100644
--- a/arch/arm/mach-pxa/spitz.c
+++ b/arch/arm/mach-pxa/spitz.c
@@ -531,9 +531,15 @@ static int spitz_ohci_init(struct device *dev)
return gpio_direction_output(SPITZ_GPIO_USB_HOST, 1);
}
+static void spitz_ohci_exit(struct device *dev)
+{
+ gpio_free(SPITZ_GPIO_USB_HOST);
+}
+
static struct pxaohci_platform_data spitz_ohci_platform_data = {
.port_mode = PMM_NPS_MODE,
.init = spitz_ohci_init,
+ .exit = spitz_ohci_exit,
.flags = ENABLE_PORT_ALL | NO_OC_PROTECTION,
.power_budget = 150,
};
@@ -731,7 +737,7 @@ static void spitz_restart(char mode, const char *cmd)
static void __init common_init(void)
{
- init_gpio_reset(SPITZ_GPIO_ON_RESET, 1);
+ init_gpio_reset(SPITZ_GPIO_ON_RESET, 1, 0);
pm_power_off = spitz_poweroff;
arm_pm_restart = spitz_restart;
diff --git a/arch/arm/mach-pxa/tosa.c b/arch/arm/mach-pxa/tosa.c
index afac5b6d3d78..a0bd46ef5d30 100644
--- a/arch/arm/mach-pxa/tosa.c
+++ b/arch/arm/mach-pxa/tosa.c
@@ -897,7 +897,7 @@ static void __init tosa_init(void)
gpio_set_wake(MFP_PIN_GPIO1, 1);
/* We can't pass to gpio-keys since it will drop the Reset altfunc */
- init_gpio_reset(TOSA_GPIO_ON_RESET, 0);
+ init_gpio_reset(TOSA_GPIO_ON_RESET, 0, 0);
pm_power_off = tosa_poweroff;
arm_pm_restart = tosa_restart;
diff --git a/arch/arm/mach-pxa/viper.c b/arch/arm/mach-pxa/viper.c
index 0e65344e9f53..dd031cc41847 100644
--- a/arch/arm/mach-pxa/viper.c
+++ b/arch/arm/mach-pxa/viper.c
@@ -46,6 +46,7 @@
#include <mach/audio.h>
#include <mach/pxafb.h>
#include <mach/i2c.h>
+#include <mach/regs-uart.h>
#include <mach/viper.h>
#include <asm/setup.h>
diff --git a/arch/arm/mach-realview/core.c b/arch/arm/mach-realview/core.c
index 942e1a7eb9b2..076acbc50706 100644
--- a/arch/arm/mach-realview/core.c
+++ b/arch/arm/mach-realview/core.c
@@ -750,14 +750,6 @@ void __init realview_timer_init(unsigned int timer_irq)
{
u32 val;
-#ifdef CONFIG_GENERIC_CLOCKEVENTS_BROADCAST
- /*
- * The dummy clock device has to be registered before the main device
- * so that the latter will broadcast the clock events
- */
- local_timer_setup();
-#endif
-
/*
* set clock frequency:
* REALVIEW_REFCLK is 32KHz
diff --git a/arch/arm/mach-realview/include/mach/smp.h b/arch/arm/mach-realview/include/mach/smp.h
index 515819efd046..dd53892d44a7 100644
--- a/arch/arm/mach-realview/include/mach/smp.h
+++ b/arch/arm/mach-realview/include/mach/smp.h
@@ -15,16 +15,9 @@
/*
* We use IRQ1 as the IPI
*/
-static inline void smp_cross_call(cpumask_t callmap)
-{
- gic_raise_softirq(callmap, 1);
-}
-
-/*
- * Do nothing on MPcore.
- */
-static inline void smp_cross_call_done(cpumask_t callmap)
+static inline void smp_cross_call(const struct cpumask *mask)
{
+ gic_raise_softirq(mask, 1);
}
#endif
diff --git a/arch/arm/mach-realview/localtimer.c b/arch/arm/mach-realview/localtimer.c
index d0d39adf6407..1c01d13460f0 100644
--- a/arch/arm/mach-realview/localtimer.c
+++ b/arch/arm/mach-realview/localtimer.c
@@ -189,8 +189,10 @@ void __cpuinit local_timer_setup(void)
struct clock_event_device *clk = &per_cpu(local_clockevent, cpu);
clk->name = "dummy_timer";
- clk->features = CLOCK_EVT_FEAT_DUMMY;
- clk->rating = 200;
+ clk->features = CLOCK_EVT_FEAT_ONESHOT |
+ CLOCK_EVT_FEAT_PERIODIC |
+ CLOCK_EVT_FEAT_DUMMY;
+ clk->rating = 400;
clk->mult = 1;
clk->set_mode = dummy_timer_set_mode;
clk->broadcast = smp_timer_broadcast;
diff --git a/arch/arm/mach-realview/platsmp.c b/arch/arm/mach-realview/platsmp.c
index ea3c75595fa9..30a9c68591f6 100644
--- a/arch/arm/mach-realview/platsmp.c
+++ b/arch/arm/mach-realview/platsmp.c
@@ -78,13 +78,6 @@ void __cpuinit platform_secondary_init(unsigned int cpu)
trace_hardirqs_off();
/*
- * the primary core may have used a "cross call" soft interrupt
- * to get this processor out of WFI in the BootMonitor - make
- * sure that we are no longer being sent this soft interrupt
- */
- smp_cross_call_done(cpumask_of_cpu(cpu));
-
- /*
* if any interrupts are already enabled for the primary
* core (e.g. timer irq), then they will not have been enabled
* for us: do so
@@ -136,7 +129,7 @@ int __cpuinit boot_secondary(unsigned int cpu, struct task_struct *idle)
* Use smp_cross_call() for this, since there's little
* point duplicating the code here
*/
- smp_cross_call(cpumask_of_cpu(cpu));
+ smp_cross_call(cpumask_of(cpu));
timeout = jiffies + (1 * HZ);
while (time_before(jiffies, timeout)) {
@@ -224,11 +217,9 @@ void __init smp_prepare_cpus(unsigned int max_cpus)
if (max_cpus > ncores)
max_cpus = ncores;
-#ifdef CONFIG_LOCAL_TIMERS
+#if defined(CONFIG_LOCAL_TIMERS) || defined(CONFIG_GENERIC_CLOCKEVENTS_BROADCAST)
/*
- * Enable the local timer for primary CPU. If the device is
- * dummy (!CONFIG_LOCAL_TIMERS), it was already registers in
- * realview_timer_init
+ * Enable the local timer or broadcast device for the boot CPU.
*/
local_timer_setup();
#endif
diff --git a/arch/arm/mach-s3c2410/mach-bast.c b/arch/arm/mach-s3c2410/mach-bast.c
index 4389c160f7d0..8637dea5e150 100644
--- a/arch/arm/mach-s3c2410/mach-bast.c
+++ b/arch/arm/mach-s3c2410/mach-bast.c
@@ -588,8 +588,6 @@ static void __init bast_map_io(void)
s3c_device_nand.dev.platform_data = &bast_nand_info;
- s3c_i2c0_set_platdata(&bast_i2c_info);
-
s3c24xx_init_io(bast_iodesc, ARRAY_SIZE(bast_iodesc));
s3c24xx_init_clocks(0);
s3c24xx_init_uarts(bast_uartcfgs, ARRAY_SIZE(bast_uartcfgs));
@@ -602,6 +600,7 @@ static void __init bast_init(void)
sysdev_class_register(&bast_pm_sysclass);
sysdev_register(&bast_pm_sysdev);
+ s3c_i2c0_set_platdata(&bast_i2c_info);
s3c24xx_fb_set_platdata(&bast_fb_info);
platform_add_devices(bast_devices, ARRAY_SIZE(bast_devices));
diff --git a/arch/arm/mach-versatile/core.c b/arch/arm/mach-versatile/core.c
index 1f929c391af7..b3bebcc5623b 100644
--- a/arch/arm/mach-versatile/core.c
+++ b/arch/arm/mach-versatile/core.c
@@ -413,7 +413,7 @@ static struct clk ref24_clk = {
.rate = 24000000,
};
-static struct clk_lookup lookups[] __initdata = {
+static struct clk_lookup lookups[] = {
{ /* UART0 */
.dev_id = "dev:f1",
.clk = &ref24_clk,
diff --git a/arch/arm/nwfpe/fpa11.h b/arch/arm/nwfpe/fpa11.h
index 386cbd13eaf4..d3a6f9298e9e 100644
--- a/arch/arm/nwfpe/fpa11.h
+++ b/arch/arm/nwfpe/fpa11.h
@@ -114,4 +114,8 @@ extern unsigned int SingleCPDO(struct roundingData *roundData,
extern unsigned int DoubleCPDO(struct roundingData *roundData,
const unsigned int opcode, FPREG * rFd);
+/* extneded_cpdo.c */
+extern unsigned int ExtendedCPDO(struct roundingData *roundData,
+ const unsigned int opcode, FPREG * rFd);
+
#endif
diff --git a/arch/arm/nwfpe/fpa11_cprt.c b/arch/arm/nwfpe/fpa11_cprt.c
index 9843dc533047..31c4eeec18b0 100644
--- a/arch/arm/nwfpe/fpa11_cprt.c
+++ b/arch/arm/nwfpe/fpa11_cprt.c
@@ -27,10 +27,6 @@
#include "fpmodule.inl"
#include "softfloat.h"
-#ifdef CONFIG_FPE_NWFPE_XP
-extern flag floatx80_is_nan(floatx80);
-#endif
-
unsigned int PerformFLT(const unsigned int opcode);
unsigned int PerformFIX(const unsigned int opcode);
diff --git a/arch/arm/nwfpe/softfloat.h b/arch/arm/nwfpe/softfloat.h
index 260fe29d73f5..13e479c5da57 100644
--- a/arch/arm/nwfpe/softfloat.h
+++ b/arch/arm/nwfpe/softfloat.h
@@ -226,6 +226,8 @@ char floatx80_le_quiet( floatx80, floatx80 );
char floatx80_lt_quiet( floatx80, floatx80 );
char floatx80_is_signaling_nan( floatx80 );
+extern flag floatx80_is_nan(floatx80);
+
#endif
static inline flag extractFloat32Sign(float32 a)
diff --git a/arch/arm/plat-omap/fb.c b/arch/arm/plat-omap/fb.c
index ce6b4baeedec..3746222bed10 100644
--- a/arch/arm/plat-omap/fb.c
+++ b/arch/arm/plat-omap/fb.c
@@ -206,9 +206,10 @@ void __init omapfb_reserve_sdram(void)
config_invalid = 1;
return;
}
- if (rg.paddr)
+ if (rg.paddr) {
reserve_bootmem(rg.paddr, rg.size, BOOTMEM_DEFAULT);
- reserved += rg.size;
+ reserved += rg.size;
+ }
omapfb_config.mem_desc.region[i] = rg;
configured_regions++;
}
diff --git a/arch/arm/plat-omap/gpio.c b/arch/arm/plat-omap/gpio.c
index 17d7afe42b83..ee0b21f5b094 100644
--- a/arch/arm/plat-omap/gpio.c
+++ b/arch/arm/plat-omap/gpio.c
@@ -307,7 +307,7 @@ static inline int gpio_valid(int gpio)
return 0;
if (cpu_is_omap24xx() && gpio < 128)
return 0;
- if (cpu_is_omap34xx() && gpio < 160)
+ if (cpu_is_omap34xx() && gpio < 192)
return 0;
return -1;
}
diff --git a/arch/arm/plat-s3c/clock.c b/arch/arm/plat-s3c/clock.c
index b6be76e2fe51..4d01ef1a25dd 100644
--- a/arch/arm/plat-s3c/clock.c
+++ b/arch/arm/plat-s3c/clock.c
@@ -306,8 +306,6 @@ struct clk s3c24xx_uclk = {
int s3c24xx_register_clock(struct clk *clk)
{
- clk->owner = THIS_MODULE;
-
if (clk->enable == NULL)
clk->enable = clk_null_enable;
diff --git a/arch/arm/plat-s3c24xx/dma.c b/arch/arm/plat-s3c24xx/dma.c
index aee2aeb46c60..07326f632361 100644
--- a/arch/arm/plat-s3c24xx/dma.c
+++ b/arch/arm/plat-s3c24xx/dma.c
@@ -1235,7 +1235,7 @@ int s3c2410_dma_getposition(unsigned int channel, dma_addr_t *src, dma_addr_t *d
EXPORT_SYMBOL(s3c2410_dma_getposition);
-static struct s3c2410_dma_chan *to_dma_chan(struct sys_device *dev)
+static inline struct s3c2410_dma_chan *to_dma_chan(struct sys_device *dev)
{
return container_of(dev, struct s3c2410_dma_chan, dev);
}
diff --git a/arch/arm/plat-s3c64xx/gpiolib.c b/arch/arm/plat-s3c64xx/gpiolib.c
index ee9188add8fb..78ee52cffc9e 100644
--- a/arch/arm/plat-s3c64xx/gpiolib.c
+++ b/arch/arm/plat-s3c64xx/gpiolib.c
@@ -57,7 +57,7 @@
#if 1
#define gpio_dbg(x...) do { } while(0)
#else
-#define gpio_dbg(x...) printk(KERN_DEBUG ## x)
+#define gpio_dbg(x...) printk(KERN_DEBUG x)
#endif
/* The s3c64xx_gpiolib_4bit routines are to control the gpio banks where
diff --git a/arch/arm/plat-s3c64xx/include/plat/gpio-bank-h.h b/arch/arm/plat-s3c64xx/include/plat/gpio-bank-h.h
index 81549516572f..2ba1767512d7 100644
--- a/arch/arm/plat-s3c64xx/include/plat/gpio-bank-h.h
+++ b/arch/arm/plat-s3c64xx/include/plat/gpio-bank-h.h
@@ -61,14 +61,14 @@
#define S3C64XX_GPH7_ADDR_CF1 (0x06 << 28)
#define S3C64XX_GPH7_EINT_G6_7 (0x07 << 28)
-#define S3C64XX_GPH8_MMC1_DATA6 (0x02 << 32)
-#define S3C64XX_GPH8_MMC2_DATA2 (0x03 << 32)
-#define S3C64XX_GPH8_I2S_V40_LRCLK (0x05 << 32)
-#define S3C64XX_GPH8_ADDR_CF2 (0x06 << 32)
-#define S3C64XX_GPH8_EINT_G6_8 (0x07 << 32)
-
-#define S3C64XX_GPH9_MMC1_DATA7 (0x02 << 36)
-#define S3C64XX_GPH9_MMC2_DATA3 (0x03 << 36)
-#define S3C64XX_GPH9_I2S_V40_DI (0x05 << 36)
-#define S3C64XX_GPH9_EINT_G6_9 (0x07 << 36)
+#define S3C64XX_GPH8_MMC1_DATA6 (0x02 << 0)
+#define S3C64XX_GPH8_MMC2_DATA2 (0x03 << 0)
+#define S3C64XX_GPH8_I2S_V40_LRCLK (0x05 << 0)
+#define S3C64XX_GPH8_ADDR_CF2 (0x06 << 0)
+#define S3C64XX_GPH8_EINT_G6_8 (0x07 << 0)
+#define S3C64XX_GPH9_OUTPUT (0x01 << 4)
+#define S3C64XX_GPH9_MMC1_DATA7 (0x02 << 4)
+#define S3C64XX_GPH9_MMC2_DATA3 (0x03 << 4)
+#define S3C64XX_GPH9_I2S_V40_DI (0x05 << 4)
+#define S3C64XX_GPH9_EINT_G6_9 (0x07 << 4)
diff --git a/arch/arm/tools/mach-types b/arch/arm/tools/mach-types
index 945e0d237a1d..fec64678a63a 100644
--- a/arch/arm/tools/mach-types
+++ b/arch/arm/tools/mach-types
@@ -12,7 +12,7 @@
#
# http://www.arm.linux.org.uk/developer/machines/?action=new
#
-# Last update: Mon Mar 23 20:09:01 2009
+# Last update: Fri May 29 10:14:20 2009
#
# machine_is_xxx CONFIG_xxxx MACH_TYPE_xxx number
#
@@ -916,7 +916,7 @@ nxdb500 MACH_NXDB500 NXDB500 905
apf9328 MACH_APF9328 APF9328 906
omap_wipoq MACH_OMAP_WIPOQ OMAP_WIPOQ 907
omap_twip MACH_OMAP_TWIP OMAP_TWIP 908
-palmt650 MACH_PALMT650 PALMT650 909
+treo650 MACH_TREO650 TREO650 909
acumen MACH_ACUMEN ACUMEN 910
xp100 MACH_XP100 XP100 911
fs2410 MACH_FS2410 FS2410 912
@@ -1232,7 +1232,7 @@ ql202b MACH_QL202B QL202B 1226
vpac270 MACH_VPAC270 VPAC270 1227
rd129 MACH_RD129 RD129 1228
htcwizard MACH_HTCWIZARD HTCWIZARD 1229
-xscale_treo680 MACH_XSCALE_TREO680 XSCALE_TREO680 1230
+treo680 MACH_TREO680 TREO680 1230
tecon_tmezon MACH_TECON_TMEZON TECON_TMEZON 1231
zylonite MACH_ZYLONITE ZYLONITE 1233
gene1270 MACH_GENE1270 GENE1270 1234
@@ -1418,10 +1418,10 @@ looxc550 MACH_LOOXC550 LOOXC550 1417
cnty_titan MACH_CNTY_TITAN CNTY_TITAN 1418
app3xx MACH_APP3XX APP3XX 1419
sideoatsgrama MACH_SIDEOATSGRAMA SIDEOATSGRAMA 1420
-palmtreo700p MACH_PALMTREO700P PALMTREO700P 1421
-palmtreo700w MACH_PALMTREO700W PALMTREO700W 1422
-palmtreo750 MACH_PALMTREO750 PALMTREO750 1423
-palmtreo755p MACH_PALMTREO755P PALMTREO755P 1424
+treo700p MACH_TREO700P TREO700P 1421
+treo700w MACH_TREO700W TREO700W 1422
+treo750 MACH_TREO750 TREO750 1423
+treo755p MACH_TREO755P TREO755P 1424
ezreganut9200 MACH_EZREGANUT9200 EZREGANUT9200 1425
sarge MACH_SARGE SARGE 1426
a696 MACH_A696 A696 1427
@@ -1721,7 +1721,7 @@ sapphire MACH_SAPPHIRE SAPPHIRE 1729
csb637xo MACH_CSB637XO CSB637XO 1730
evisiong MACH_EVISIONG EVISIONG 1731
stmp37xx MACH_STMP37XX STMP37XX 1732
-stmp378x MACH_STMP38XX STMP38XX 1733
+stmp378x MACH_STMP378X STMP378X 1733
tnt MACH_TNT TNT 1734
tbxt MACH_TBXT TBXT 1735
playmate MACH_PLAYMATE PLAYMATE 1736
@@ -1817,7 +1817,7 @@ smdkc100 MACH_SMDKC100 SMDKC100 1826
tavorevb MACH_TAVOREVB TAVOREVB 1827
saar MACH_SAAR SAAR 1828
deister_eyecam MACH_DEISTER_EYECAM DEISTER_EYECAM 1829
-at91sam9m10ek MACH_AT91SAM9M10EK AT91SAM9M10EK 1830
+at91sam9m10g45ek MACH_AT91SAM9M10G45EK AT91SAM9M10G45EK 1830
linkstation_produo MACH_LINKSTATION_PRODUO LINKSTATION_PRODUO 1831
hit_b0 MACH_HIT_B0 HIT_B0 1832
adx_rmu MACH_ADX_RMU ADX_RMU 1833
@@ -2132,3 +2132,116 @@ apollo MACH_APOLLO APOLLO 2141
at91cap9stk MACH_AT91CAP9STK AT91CAP9STK 2142
spc300 MACH_SPC300 SPC300 2143
eko MACH_EKO EKO 2144
+ccw9m2443 MACH_CCW9M2443 CCW9M2443 2145
+ccw9m2443js MACH_CCW9M2443JS CCW9M2443JS 2146
+m2m_router_device MACH_M2M_ROUTER_DEVICE M2M_ROUTER_DEVICE 2147
+str9104nas MACH_STAR9104NAS STAR9104NAS 2148
+pca100 MACH_PCA100 PCA100 2149
+z3_dm365_mod_01 MACH_Z3_DM365_MOD_01 Z3_DM365_MOD_01 2150
+hipox MACH_HIPOX HIPOX 2151
+omap3_piteds MACH_OMAP3_PITEDS OMAP3_PITEDS 2152
+bm150r MACH_BM150R BM150R 2153
+tbone MACH_TBONE TBONE 2154
+merlin MACH_MERLIN MERLIN 2155
+falcon MACH_FALCON FALCON 2156
+davinci_da850_evm MACH_DAVINCI_DA850_EVM DAVINCI_DA850_EVM 2157
+s5p6440 MACH_S5P6440 S5P6440 2158
+at91sam9g10ek MACH_AT91SAM9G10EK AT91SAM9G10EK 2159
+omap_4430sdp MACH_OMAP_4430SDP OMAP_4430SDP 2160
+lpc313x MACH_LPC313X LPC313X 2161
+magx_zn5 MACH_MAGX_ZN5 MAGX_ZN5 2162
+magx_em30 MACH_MAGX_EM30 MAGX_EM30 2163
+magx_ve66 MACH_MAGX_VE66 MAGX_VE66 2164
+meesc MACH_MEESC MEESC 2165
+otc570 MACH_OTC570 OTC570 2166
+bcu2412 MACH_BCU2412 BCU2412 2167
+beacon MACH_BEACON BEACON 2168
+actia_tgw MACH_ACTIA_TGW ACTIA_TGW 2169
+e4430 MACH_E4430 E4430 2170
+ql300 MACH_QL300 QL300 2171
+btmavb101 MACH_BTMAVB101 BTMAVB101 2172
+btmawb101 MACH_BTMAWB101 BTMAWB101 2173
+sq201 MACH_SQ201 SQ201 2174
+quatro45xx MACH_QUATRO45XX QUATRO45XX 2175
+openpad MACH_OPENPAD OPENPAD 2176
+tx25 MACH_TX25 TX25 2177
+omap3_torpedo MACH_OMAP3_TORPEDO OMAP3_TORPEDO 2178
+htcraphael_k MACH_HTCRAPHAEL_K HTCRAPHAEL_K 2179
+lal43 MACH_LAL43 LAL43 2181
+htcraphael_cdma500 MACH_HTCRAPHAEL_CDMA500 HTCRAPHAEL_CDMA500 2182
+anw6410 MACH_ANW6410 ANW6410 2183
+htcprophet MACH_HTCPROPHET HTCPROPHET 2185
+cfa_10022 MACH_CFA_10022 CFA_10022 2186
+imx27_visstrim_m10 MACH_IMX27_VISSTRIM_M10 IMX27_VISSTRIM_M10 2187
+px2imx27 MACH_PX2IMX27 PX2IMX27 2188
+stm3210e_eval MACH_STM3210E_EVAL STM3210E_EVAL 2189
+dvs10 MACH_DVS10 DVS10 2190
+portuxg20 MACH_PORTUXG20 PORTUXG20 2191
+arm_spv MACH_ARM_SPV ARM_SPV 2192
+smdkc110 MACH_SMDKC110 SMDKC110 2193
+cabespresso MACH_CABESPRESSO CABESPRESSO 2194
+hmc800 MACH_HMC800 HMC800 2195
+sholes MACH_SHOLES SHOLES 2196
+btmxc31 MACH_BTMXC31 BTMXC31 2197
+dt501 MACH_DT501 DT501 2198
+ktx MACH_KTX KTX 2199
+omap3517evm MACH_OMAP3517EVM OMAP3517EVM 2200
+netspace_v2 MACH_NETSPACE_V2 NETSPACE_V2 2201
+netspace_max_v2 MACH_NETSPACE_MAX_V2 NETSPACE_MAX_V2 2202
+d2net_v2 MACH_D2NET_V2 D2NET_V2 2203
+net2big_v2 MACH_NET2BIG_V2 NET2BIG_V2 2204
+net4big_v2 MACH_NET4BIG_V2 NET4BIG_V2 2205
+net5big_v2 MACH_NET5BIG_V2 NET5BIG_V2 2206
+endb2443 MACH_ENDB2443 ENDB2443 2207
+inetspace_v2 MACH_INETSPACE_V2 INETSPACE_V2 2208
+tros MACH_TROS TROS 2209
+pelco_homer MACH_PELCO_HOMER PELCO_HOMER 2210
+ofsp8 MACH_OFSP8 OFSP8 2211
+at91sam9g45ekes MACH_AT91SAM9G45EKES AT91SAM9G45EKES 2212
+guf_cupid MACH_GUF_CUPID GUF_CUPID 2213
+eab1r MACH_EAB1R EAB1R 2214
+desirec MACH_DESIREC DESIREC 2215
+cordoba MACH_CORDOBA CORDOBA 2216
+irvine MACH_IRVINE IRVINE 2217
+sff772 MACH_SFF772 SFF772 2218
+pelco_milano MACH_PELCO_MILANO PELCO_MILANO 2219
+pc7302 MACH_PC7302 PC7302 2220
+bip6000 MACH_BIP6000 BIP6000 2221
+silvermoon MACH_SILVERMOON SILVERMOON 2222
+vc0830 MACH_VC0830 VC0830 2223
+dt430 MACH_DT430 DT430 2224
+ji42pf MACH_JI42PF JI42PF 2225
+gnet_ksm MACH_GNET_KSM GNET_KSM 2226
+gnet_sgm MACH_GNET_SGM GNET_SGM 2227
+gnet_sgr MACH_GNET_SGR GNET_SGR 2228
+omap3_icetekevm MACH_OMAP3_ICETEKEVM OMAP3_ICETEKEVM 2229
+pnp MACH_PNP PNP 2230
+ctera_2bay_k MACH_CTERA_2BAY_K CTERA_2BAY_K 2231
+ctera_2bay_u MACH_CTERA_2BAY_U CTERA_2BAY_U 2232
+sas_c MACH_SAS_C SAS_C 2233
+vma2315 MACH_VMA2315 VMA2315 2234
+vcs MACH_VCS VCS 2235
+spear600 MACH_SPEAR600 SPEAR600 2236
+spear300 MACH_SPEAR300 SPEAR300 2237
+spear1300 MACH_SPEAR1300 SPEAR1300 2238
+lilly1131 MACH_LILLY1131 LILLY1131 2239
+arvoo_ax301 MACH_ARVOO_AX301 ARVOO_AX301 2240
+mapphone MACH_MAPPHONE MAPPHONE 2241
+legend MACH_LEGEND LEGEND 2242
+salsa MACH_SALSA SALSA 2243
+lounge MACH_LOUNGE LOUNGE 2244
+vision MACH_VISION VISION 2245
+vmb20 MACH_VMB20 VMB20 2246
+hy2410 MACH_HY2410 HY2410 2247
+hy9315 MACH_HY9315 HY9315 2248
+bullwinkle MACH_BULLWINKLE BULLWINKLE 2249
+arm_ultimator2 MACH_ARM_ULTIMATOR2 ARM_ULTIMATOR2 2250
+vs_v210 MACH_VS_V210 VS_V210 2252
+vs_v212 MACH_VS_V212 VS_V212 2253
+hmt MACH_HMT HMT 2254
+suen3 MACH_SUEN3 SUEN3 2255
+vesper MACH_VESPER VESPER 2256
+str9 MACH_STR9 STR9 2257
+omap3_wl_ff MACH_OMAP3_WL_FF OMAP3_WL_FF 2258
+simcom MACH_SIMCOM SIMCOM 2259
+mcwebio MACH_MCWEBIO MCWEBIO 2260
diff --git a/arch/blackfin/include/asm/.gitignore b/arch/blackfin/include/asm/.gitignore
deleted file mode 100644
index 7858564a4466..000000000000
--- a/arch/blackfin/include/asm/.gitignore
+++ /dev/null
@@ -1 +0,0 @@
-+mach
diff --git a/arch/blackfin/include/asm/flat.h b/arch/blackfin/include/asm/flat.h
index e70074e05f4e..733a178d782d 100644
--- a/arch/blackfin/include/asm/flat.h
+++ b/arch/blackfin/include/asm/flat.h
@@ -10,7 +10,6 @@
#include <asm/unaligned.h>
-#define flat_stack_align(sp) /* nothing needed */
#define flat_argvp_envp_on_stack() 0
#define flat_old_ram_flag(flags) (flags)
diff --git a/arch/blackfin/include/asm/unistd.h b/arch/blackfin/include/asm/unistd.h
index 1e57b636e0bc..cf5066d3efd2 100644
--- a/arch/blackfin/include/asm/unistd.h
+++ b/arch/blackfin/include/asm/unistd.h
@@ -378,8 +378,10 @@
#define __NR_dup3 363
#define __NR_pipe2 364
#define __NR_inotify_init1 365
+#define __NR_preadv 366
+#define __NR_pwritev 367
-#define __NR_syscall 366
+#define __NR_syscall 368
#define NR_syscalls __NR_syscall
/* Old optional stuff no one actually uses */
diff --git a/arch/blackfin/kernel/.gitignore b/arch/blackfin/kernel/.gitignore
new file mode 100644
index 000000000000..c5f676c3c224
--- /dev/null
+++ b/arch/blackfin/kernel/.gitignore
@@ -0,0 +1 @@
+vmlinux.lds
diff --git a/arch/blackfin/lib/strncmp.c b/arch/blackfin/lib/strncmp.c
index 2aaae78a68e0..46518b1d2983 100644
--- a/arch/blackfin/lib/strncmp.c
+++ b/arch/blackfin/lib/strncmp.c
@@ -8,9 +8,8 @@
#define strncmp __inline_strncmp
#include <asm/string.h>
-#undef strncmp
-
#include <linux/module.h>
+#undef strncmp
int strncmp(const char *cs, const char *ct, size_t count)
{
diff --git a/arch/blackfin/mach-common/entry.S b/arch/blackfin/mach-common/entry.S
index 21e65a339a22..a063a434f7e3 100644
--- a/arch/blackfin/mach-common/entry.S
+++ b/arch/blackfin/mach-common/entry.S
@@ -1581,6 +1581,8 @@ ENTRY(_sys_call_table)
.long _sys_dup3
.long _sys_pipe2
.long _sys_inotify_init1 /* 365 */
+ .long _sys_preadv
+ .long _sys_pwritev
.rept NR_syscalls-(.-_sys_call_table)/4
.long _sys_ni_syscall
diff --git a/arch/h8300/include/asm/flat.h b/arch/h8300/include/asm/flat.h
index 2a873508a9a1..bd12b31b90e6 100644
--- a/arch/h8300/include/asm/flat.h
+++ b/arch/h8300/include/asm/flat.h
@@ -5,7 +5,6 @@
#ifndef __H8300_FLAT_H__
#define __H8300_FLAT_H__
-#define flat_stack_align(sp) /* nothing needed */
#define flat_argvp_envp_on_stack() 1
#define flat_old_ram_flag(flags) 1
#define flat_reloc_valid(reloc, size) ((reloc) <= (size))
diff --git a/arch/m32r/include/asm/flat.h b/arch/m32r/include/asm/flat.h
index d851cf0c4aa5..5d711c4688fb 100644
--- a/arch/m32r/include/asm/flat.h
+++ b/arch/m32r/include/asm/flat.h
@@ -12,7 +12,6 @@
#ifndef __ASM_M32R_FLAT_H
#define __ASM_M32R_FLAT_H
-#define flat_stack_align(sp) (*sp += (*sp & 3 ? (4 - (*sp & 3)): 0))
#define flat_argvp_envp_on_stack() 0
#define flat_old_ram_flag(flags) (flags)
#define flat_set_persistent(relval, p) 0
diff --git a/arch/m68k/include/asm/flat.h b/arch/m68k/include/asm/flat.h
index 814b5174a8e0..a0e290793978 100644
--- a/arch/m68k/include/asm/flat.h
+++ b/arch/m68k/include/asm/flat.h
@@ -5,7 +5,6 @@
#ifndef __M68KNOMMU_FLAT_H__
#define __M68KNOMMU_FLAT_H__
-#define flat_stack_align(sp) /* nothing needed */
#define flat_argvp_envp_on_stack() 1
#define flat_old_ram_flag(flags) (flags)
#define flat_reloc_valid(reloc, size) ((reloc) <= (size))
diff --git a/arch/microblaze/configs/nommu_defconfig b/arch/microblaze/configs/nommu_defconfig
index beb7ecd72793..4ef6af0a8f31 100644
--- a/arch/microblaze/configs/nommu_defconfig
+++ b/arch/microblaze/configs/nommu_defconfig
@@ -1,7 +1,7 @@
#
# Automatically generated make config: don't edit
-# Linux kernel version: 2.6.29
-# Tue Mar 24 10:23:20 2009
+# Linux kernel version: 2.6.30-rc5
+# Mon May 11 09:01:02 2009
#
CONFIG_MICROBLAZE=y
# CONFIG_SWAP is not set
@@ -32,6 +32,7 @@ CONFIG_LOCALVERSION_AUTO=y
CONFIG_SYSVIPC=y
CONFIG_SYSVIPC_SYSCTL=y
CONFIG_POSIX_MQUEUE=y
+CONFIG_POSIX_MQUEUE_SYSCTL=y
CONFIG_BSD_PROCESS_ACCT=y
CONFIG_BSD_PROCESS_ACCT_V3=y
# CONFIG_TASKSTATS is not set
@@ -63,6 +64,7 @@ CONFIG_SYSCTL_SYSCALL=y
CONFIG_KALLSYMS=y
CONFIG_KALLSYMS_ALL=y
CONFIG_KALLSYMS_EXTRA_PASS=y
+# CONFIG_STRIP_ASM_SYMS is not set
# CONFIG_HOTPLUG is not set
CONFIG_PRINTK=y
CONFIG_BUG=y
@@ -80,6 +82,8 @@ CONFIG_SLAB=y
# CONFIG_SLUB is not set
# CONFIG_SLOB is not set
# CONFIG_PROFILING is not set
+# CONFIG_MARKERS is not set
+# CONFIG_SLOW_WORK is not set
# CONFIG_HAVE_GENERIC_DMA_COHERENT is not set
CONFIG_SLABINFO=y
CONFIG_RT_MUTEXES=y
@@ -92,7 +96,6 @@ CONFIG_MODULE_UNLOAD=y
# CONFIG_MODULE_SRCVERSION_ALL is not set
CONFIG_BLOCK=y
# CONFIG_LBD is not set
-# CONFIG_BLK_DEV_IO_TRACE is not set
# CONFIG_BLK_DEV_BSG is not set
# CONFIG_BLK_DEV_INTEGRITY is not set
@@ -166,6 +169,8 @@ CONFIG_SPLIT_PTLOCK_CPUS=4
# CONFIG_PHYS_ADDR_T_64BIT is not set
CONFIG_ZONE_DMA_FLAG=0
CONFIG_VIRT_TO_BUS=y
+CONFIG_UNEVICTABLE_LRU=y
+CONFIG_NOMMU_INITIAL_TRIM_EXCESS=1
#
# Exectuable file formats
@@ -180,7 +185,6 @@ CONFIG_NET=y
#
# Networking options
#
-CONFIG_COMPAT_NET_DEV_OPS=y
CONFIG_PACKET=y
# CONFIG_PACKET_MMAP is not set
CONFIG_UNIX=y
@@ -232,6 +236,7 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
# CONFIG_LAPB is not set
# CONFIG_ECONET is not set
# CONFIG_WAN_ROUTER is not set
+# CONFIG_PHONET is not set
# CONFIG_NET_SCHED is not set
# CONFIG_DCB is not set
@@ -244,7 +249,6 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
# CONFIG_IRDA is not set
# CONFIG_BT is not set
# CONFIG_AF_RXRPC is not set
-# CONFIG_PHONET is not set
CONFIG_WIRELESS=y
# CONFIG_CFG80211 is not set
CONFIG_WIRELESS_OLD_REGULATORY=y
@@ -379,6 +383,7 @@ CONFIG_MISC_DEVICES=y
# CONFIG_ATA is not set
# CONFIG_MD is not set
CONFIG_NETDEVICES=y
+CONFIG_COMPAT_NET_DEV_OPS=y
# CONFIG_DUMMY is not set
# CONFIG_BONDING is not set
# CONFIG_MACVLAN is not set
@@ -388,6 +393,7 @@ CONFIG_NETDEVICES=y
# CONFIG_PHYLIB is not set
CONFIG_NET_ETHERNET=y
# CONFIG_MII is not set
+# CONFIG_ETHOC is not set
# CONFIG_DNET is not set
# CONFIG_IBM_NEW_EMAC_ZMII is not set
# CONFIG_IBM_NEW_EMAC_RGMII is not set
@@ -405,7 +411,6 @@ CONFIG_NETDEV_10000=y
#
# CONFIG_WLAN_PRE80211 is not set
# CONFIG_WLAN_80211 is not set
-# CONFIG_IWLWIFI_LEDS is not set
#
# Enable WiMAX (Networking options) to see the WiMAX drivers
@@ -455,6 +460,7 @@ CONFIG_LEGACY_PTYS=y
CONFIG_LEGACY_PTY_COUNT=256
# CONFIG_IPMI_HANDLER is not set
CONFIG_HW_RANDOM=y
+# CONFIG_HW_RANDOM_TIMERIOMEM is not set
# CONFIG_RTC is not set
# CONFIG_GEN_RTC is not set
# CONFIG_R3964 is not set
@@ -525,7 +531,7 @@ CONFIG_USB_SUPPORT=y
#
#
-# NOTE: USB_STORAGE depends on SCSI but BLK_DEV_SD may also be needed;
+# NOTE: USB_STORAGE depends on SCSI but BLK_DEV_SD may
#
# CONFIG_USB_GADGET is not set
@@ -538,6 +544,7 @@ CONFIG_USB_SUPPORT=y
# CONFIG_ACCESSIBILITY is not set
# CONFIG_RTC_CLASS is not set
# CONFIG_DMADEVICES is not set
+# CONFIG_AUXDISPLAY is not set
# CONFIG_UIO is not set
# CONFIG_STAGING is not set
@@ -563,6 +570,11 @@ CONFIG_FILE_LOCKING=y
# CONFIG_FUSE_FS is not set
#
+# Caches
+#
+# CONFIG_FSCACHE is not set
+
+#
# CD-ROM/DVD Filesystems
#
# CONFIG_ISO9660_FS is not set
@@ -601,8 +613,13 @@ CONFIG_CRAMFS=y
# CONFIG_HPFS_FS is not set
# CONFIG_QNX4FS_FS is not set
CONFIG_ROMFS_FS=y
+CONFIG_ROMFS_BACKED_BY_BLOCK=y
+# CONFIG_ROMFS_BACKED_BY_MTD is not set
+# CONFIG_ROMFS_BACKED_BY_BOTH is not set
+CONFIG_ROMFS_ON_BLOCK=y
# CONFIG_SYSV_FS is not set
# CONFIG_UFS_FS is not set
+# CONFIG_NILFS2_FS is not set
CONFIG_NETWORK_FILESYSTEMS=y
CONFIG_NFS_FS=y
CONFIG_NFS_V3=y
@@ -614,7 +631,6 @@ CONFIG_LOCKD_V4=y
CONFIG_NFS_ACL_SUPPORT=y
CONFIG_NFS_COMMON=y
CONFIG_SUNRPC=y
-# CONFIG_SUNRPC_REGISTER_V4 is not set
# CONFIG_RPCSEC_GSS_KRB5 is not set
# CONFIG_RPCSEC_GSS_SPKM3 is not set
# CONFIG_SMB_FS is not set
@@ -647,6 +663,9 @@ CONFIG_DEBUG_SHIRQ=y
CONFIG_DETECT_SOFTLOCKUP=y
CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC=y
CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE=1
+CONFIG_DETECT_HUNG_TASK=y
+# CONFIG_BOOTPARAM_HUNG_TASK_PANIC is not set
+CONFIG_BOOTPARAM_HUNG_TASK_PANIC_VALUE=0
CONFIG_SCHED_DEBUG=y
CONFIG_SCHEDSTATS=y
CONFIG_TIMER_STATS=y
@@ -678,15 +697,8 @@ CONFIG_DEBUG_SG=y
# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
# CONFIG_FAULT_INJECTION is not set
CONFIG_SYSCTL_SYSCALL_CHECK=y
-
-#
-# Tracers
-#
-# CONFIG_SCHED_TRACER is not set
-# CONFIG_CONTEXT_SWITCH_TRACER is not set
-# CONFIG_BOOT_TRACER is not set
-# CONFIG_TRACE_BRANCH_PROFILING is not set
-# CONFIG_DYNAMIC_PRINTK_DEBUG is not set
+# CONFIG_PAGE_POISONING is not set
+# CONFIG_DYNAMIC_DEBUG is not set
# CONFIG_SAMPLES is not set
CONFIG_EARLY_PRINTK=y
CONFIG_HEART_BEAT=y
@@ -777,6 +789,7 @@ CONFIG_CRYPTO=y
# Compression
#
# CONFIG_CRYPTO_DEFLATE is not set
+# CONFIG_CRYPTO_ZLIB is not set
# CONFIG_CRYPTO_LZO is not set
#
@@ -784,6 +797,7 @@ CONFIG_CRYPTO=y
#
# CONFIG_CRYPTO_ANSI_CPRNG is not set
CONFIG_CRYPTO_HW=y
+# CONFIG_BINARY_PRINTF is not set
#
# Library routines
@@ -797,8 +811,8 @@ CONFIG_GENERIC_FIND_LAST_BIT=y
# CONFIG_CRC7 is not set
# CONFIG_LIBCRC32C is not set
CONFIG_ZLIB_INFLATE=y
-CONFIG_PLIST=y
CONFIG_HAS_IOMEM=y
CONFIG_HAS_IOPORT=y
CONFIG_HAS_DMA=y
CONFIG_HAVE_LMB=y
+CONFIG_NLATTR=y
diff --git a/arch/microblaze/kernel/intc.c b/arch/microblaze/kernel/intc.c
index a69d3e3c2fd4..b15605299a57 100644
--- a/arch/microblaze/kernel/intc.c
+++ b/arch/microblaze/kernel/intc.c
@@ -137,8 +137,8 @@ void __init init_IRQ(void)
intr_type =
*(int *) of_get_property(intc, "xlnx,kind-of-intr", NULL);
- if (intr_type >= (1 << nr_irq))
- printk(KERN_INFO " ERROR: Mishmash in king-of-intr param\n");
+ if (intr_type >= (1 << (nr_irq + 1)))
+ printk(KERN_INFO " ERROR: Mismatch in kind-of-intr param\n");
#ifdef CONFIG_SELFMOD_INTC
selfmod_function((int *) arr_func, intc_baseaddr);
diff --git a/arch/mips/Makefile b/arch/mips/Makefile
index 26947ab85260..c4cae9e6b802 100644
--- a/arch/mips/Makefile
+++ b/arch/mips/Makefile
@@ -473,12 +473,12 @@ endif
# Simplified: what IP22 does at 128MB+ in ksegN, IP28 does at 512MB+ in xkphys
#
ifdef CONFIG_SGI_IP28
- ifeq ($(call cc-option-yn,-mr10k-cache-barrier=1), n)
- $(error gcc doesn't support needed option -mr10k-cache-barrier=1)
+ ifeq ($(call cc-option-yn,-mr10k-cache-barrier=store), n)
+ $(error gcc doesn't support needed option -mr10k-cache-barrier=store)
endif
endif
core-$(CONFIG_SGI_IP28) += arch/mips/sgi-ip22/
-cflags-$(CONFIG_SGI_IP28) += -mr10k-cache-barrier=1 -I$(srctree)/arch/mips/include/asm/mach-ip28
+cflags-$(CONFIG_SGI_IP28) += -mr10k-cache-barrier=store -I$(srctree)/arch/mips/include/asm/mach-ip28
load-$(CONFIG_SGI_IP28) += 0xa800000020004000
#
diff --git a/arch/mips/include/asm/uaccess.h b/arch/mips/include/asm/uaccess.h
index 8de858f5449f..c2d53c18fd36 100644
--- a/arch/mips/include/asm/uaccess.h
+++ b/arch/mips/include/asm/uaccess.h
@@ -956,7 +956,7 @@ __clear_user(void __user *addr, __kernel_size_t size)
void __user * __cl_addr = (addr); \
unsigned long __cl_size = (n); \
if (__cl_size && access_ok(VERIFY_WRITE, \
- ((unsigned long)(__cl_addr)), __cl_size)) \
+ __cl_addr, __cl_size)) \
__cl_size = __clear_user(__cl_addr, __cl_size); \
__cl_size; \
})
diff --git a/arch/mips/mm/tlb-r3k.c b/arch/mips/mm/tlb-r3k.c
index f0cf46adb978..1c0048a6f5cf 100644
--- a/arch/mips/mm/tlb-r3k.c
+++ b/arch/mips/mm/tlb-r3k.c
@@ -82,8 +82,7 @@ void local_flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
int cpu = smp_processor_id();
if (cpu_context(cpu, mm) != 0) {
- unsigned long flags;
- int size;
+ unsigned long size, flags;
#ifdef DEBUG_TLB
printk("[tlbrange<%lu,0x%08lx,0x%08lx>]",
@@ -121,8 +120,7 @@ void local_flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
void local_flush_tlb_kernel_range(unsigned long start, unsigned long end)
{
- unsigned long flags;
- int size;
+ unsigned long size, flags;
#ifdef DEBUG_TLB
printk("[tlbrange<%lu,0x%08lx,0x%08lx>]", start, end);
diff --git a/arch/mips/mm/tlb-r4k.c b/arch/mips/mm/tlb-r4k.c
index 9619f66e531e..892be426787c 100644
--- a/arch/mips/mm/tlb-r4k.c
+++ b/arch/mips/mm/tlb-r4k.c
@@ -117,8 +117,7 @@ void local_flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
int cpu = smp_processor_id();
if (cpu_context(cpu, mm) != 0) {
- unsigned long flags;
- int size;
+ unsigned long size, flags;
ENTER_CRITICAL(flags);
size = (end - start + (PAGE_SIZE - 1)) >> PAGE_SHIFT;
@@ -160,8 +159,7 @@ void local_flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
void local_flush_tlb_kernel_range(unsigned long start, unsigned long end)
{
- unsigned long flags;
- int size;
+ unsigned long size, flags;
ENTER_CRITICAL(flags);
size = (end - start + (PAGE_SIZE - 1)) >> PAGE_SHIFT;
diff --git a/arch/mips/mm/tlb-r8k.c b/arch/mips/mm/tlb-r8k.c
index 4f01a3be215c..4ec95cc2df2f 100644
--- a/arch/mips/mm/tlb-r8k.c
+++ b/arch/mips/mm/tlb-r8k.c
@@ -111,8 +111,7 @@ out_restore:
/* Usable for KV1 addresses only! */
void local_flush_tlb_kernel_range(unsigned long start, unsigned long end)
{
- unsigned long flags;
- int size;
+ unsigned long size, flags;
size = (end - start + (PAGE_SIZE - 1)) >> PAGE_SHIFT;
size = (size + 1) >> 1;
diff --git a/arch/mips/sgi-ip22/ip22-reset.c b/arch/mips/sgi-ip22/ip22-reset.c
index 4ad5c3393fd3..45b6694c2079 100644
--- a/arch/mips/sgi-ip22/ip22-reset.c
+++ b/arch/mips/sgi-ip22/ip22-reset.c
@@ -148,7 +148,7 @@ static irqreturn_t panel_int(int irq, void *dev_id)
if (sgint->istat1 & SGINT_ISTAT1_PWR) {
/* Wait until interrupt goes away */
- disable_irq(SGI_PANEL_IRQ);
+ disable_irq_nosync(SGI_PANEL_IRQ);
init_timer(&debounce_timer);
debounce_timer.function = debounce;
debounce_timer.expires = jiffies + 5;
diff --git a/arch/mips/sgi-ip32/ip32-reset.c b/arch/mips/sgi-ip32/ip32-reset.c
index b6cab089561e..9b95d80ebc6e 100644
--- a/arch/mips/sgi-ip32/ip32-reset.c
+++ b/arch/mips/sgi-ip32/ip32-reset.c
@@ -53,7 +53,7 @@ static inline void ip32_machine_halt(void)
static void ip32_machine_power_off(void)
{
- volatile unsigned char reg_a, xctrl_a, xctrl_b;
+ unsigned char reg_a, xctrl_a, xctrl_b;
disable_irq(MACEISA_RTC_IRQ);
reg_a = CMOS_READ(RTC_REG_A);
@@ -91,9 +91,10 @@ static void blink_timeout(unsigned long data)
static void debounce(unsigned long data)
{
- volatile unsigned char reg_a, reg_c, xctrl_a;
+ unsigned char reg_a, reg_c, xctrl_a;
reg_c = CMOS_READ(RTC_INTR_FLAGS);
+ reg_a = CMOS_READ(RTC_REG_A);
CMOS_WRITE(reg_a | DS_REGA_DV0, RTC_REG_A);
wbflush();
xctrl_a = CMOS_READ(DS_B1_XCTRL4A);
@@ -137,7 +138,7 @@ static inline void ip32_power_button(void)
static irqreturn_t ip32_rtc_int(int irq, void *dev_id)
{
- volatile unsigned char reg_c;
+ unsigned char reg_c;
reg_c = CMOS_READ(RTC_INTR_FLAGS);
if (!(reg_c & RTC_IRQF)) {
@@ -145,7 +146,7 @@ static irqreturn_t ip32_rtc_int(int irq, void *dev_id)
"%s: RTC IRQ without RTC_IRQF\n", __func__);
}
/* Wait until interrupt goes away */
- disable_irq(MACEISA_RTC_IRQ);
+ disable_irq_nosync(MACEISA_RTC_IRQ);
init_timer(&debounce_timer);
debounce_timer.function = debounce;
debounce_timer.expires = jiffies + 50;
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index a0d1146a0578..cdc9a6ff4be8 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -868,6 +868,18 @@ config TASK_SIZE
default "0x80000000" if PPC_PREP || PPC_8xx
default "0xc0000000"
+config CONSISTENT_SIZE_BOOL
+ bool "Set custom consistent memory pool size"
+ depends on ADVANCED_OPTIONS && NOT_COHERENT_CACHE
+ help
+ This option allows you to set the size of the
+ consistent memory pool. This pool of virtual memory
+ is used to make consistent memory allocations.
+
+config CONSISTENT_SIZE
+ hex "Size of consistent memory pool" if CONSISTENT_SIZE_BOOL
+ default "0x00200000" if NOT_COHERENT_CACHE
+
config PIN_TLB
bool "Pinned Kernel TLBs (860 ONLY)"
depends on ADVANCED_OPTIONS && 8xx
diff --git a/arch/powerpc/configs/ps3_defconfig b/arch/powerpc/configs/ps3_defconfig
index ac14f5245d2a..e28e65e7a0e1 100644
--- a/arch/powerpc/configs/ps3_defconfig
+++ b/arch/powerpc/configs/ps3_defconfig
@@ -1,13 +1,14 @@
#
# Automatically generated make config: don't edit
-# Linux kernel version: 2.6.29-rc8
-# Fri Mar 13 09:28:45 2009
+# Linux kernel version: 2.6.30-rc5
+# Fri May 15 10:37:00 2009
#
CONFIG_PPC64=y
#
# Processor support
#
+CONFIG_PPC_BOOK3S=y
# CONFIG_POWER4_ONLY is not set
CONFIG_POWER3=y
CONFIG_POWER4=y
@@ -55,9 +56,11 @@ CONFIG_OF=y
# CONFIG_GENERIC_TBSYNC is not set
CONFIG_AUDIT_ARCH=y
CONFIG_GENERIC_BUG=y
+CONFIG_DTC=y
# CONFIG_DEFAULT_UIMAGE is not set
# CONFIG_PPC_DCR_NATIVE is not set
# CONFIG_PPC_DCR_MMIO is not set
+CONFIG_ARCH_SUPPORTS_DEBUG_PAGEALLOC=y
CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
#
@@ -72,6 +75,7 @@ CONFIG_SWAP=y
CONFIG_SYSVIPC=y
CONFIG_SYSVIPC_SYSCTL=y
CONFIG_POSIX_MQUEUE=y
+CONFIG_POSIX_MQUEUE_SYSCTL=y
# CONFIG_BSD_PROCESS_ACCT is not set
# CONFIG_TASKSTATS is not set
# CONFIG_AUDIT is not set
@@ -88,8 +92,7 @@ CONFIG_CLASSIC_RCU=y
CONFIG_LOG_BUF_SHIFT=17
# CONFIG_GROUP_SCHED is not set
# CONFIG_CGROUPS is not set
-CONFIG_SYSFS_DEPRECATED=y
-CONFIG_SYSFS_DEPRECATED_V2=y
+# CONFIG_SYSFS_DEPRECATED_V2 is not set
# CONFIG_RELAY is not set
CONFIG_NAMESPACES=y
# CONFIG_UTS_NS is not set
@@ -99,6 +102,9 @@ CONFIG_NAMESPACES=y
# CONFIG_NET_NS is not set
CONFIG_BLK_DEV_INITRD=y
CONFIG_INITRAMFS_SOURCE=""
+CONFIG_RD_GZIP=y
+# CONFIG_RD_BZIP2 is not set
+# CONFIG_RD_LZMA is not set
CONFIG_CC_OPTIMIZE_FOR_SIZE=y
CONFIG_SYSCTL=y
CONFIG_ANON_INODES=y
@@ -107,6 +113,7 @@ CONFIG_SYSCTL_SYSCALL=y
CONFIG_KALLSYMS=y
CONFIG_KALLSYMS_ALL=y
CONFIG_KALLSYMS_EXTRA_PASS=y
+# CONFIG_STRIP_ASM_SYMS is not set
CONFIG_HOTPLUG=y
CONFIG_PRINTK=y
CONFIG_BUG=y
@@ -138,6 +145,7 @@ CONFIG_HAVE_KRETPROBES=y
CONFIG_HAVE_ARCH_TRACEHOOK=y
CONFIG_HAVE_DMA_ATTRS=y
CONFIG_USE_GENERIC_SMP_HELPERS=y
+# CONFIG_SLOW_WORK is not set
# CONFIG_HAVE_GENERIC_DMA_COHERENT is not set
CONFIG_SLABINFO=y
CONFIG_RT_MUTEXES=y
@@ -150,7 +158,6 @@ CONFIG_MODULE_UNLOAD=y
# CONFIG_MODULE_SRCVERSION_ALL is not set
CONFIG_STOP_MACHINE=y
CONFIG_BLOCK=y
-# CONFIG_BLK_DEV_IO_TRACE is not set
CONFIG_BLK_DEV_BSG=y
# CONFIG_BLK_DEV_INTEGRITY is not set
CONFIG_BLOCK_COMPAT=y
@@ -172,7 +179,6 @@ CONFIG_DEFAULT_IOSCHED="anticipatory"
#
# Platform support
#
-CONFIG_PPC_MULTIPLATFORM=y
# CONFIG_PPC_PSERIES is not set
# CONFIG_PPC_ISERIES is not set
# CONFIG_PPC_PMAC is not set
@@ -209,6 +215,7 @@ CONFIG_SPU_FS_64K_LS=y
# CONFIG_SPU_TRACE is not set
CONFIG_SPU_BASE=y
# CONFIG_PQ2ADS is not set
+# CONFIG_PPC_OF_BOOT_TRAMPOLINE is not set
# CONFIG_IPIC is not set
# CONFIG_MPIC is not set
# CONFIG_MPIC_WEIRD is not set
@@ -279,11 +286,14 @@ CONFIG_PHYS_ADDR_T_64BIT=y
CONFIG_ZONE_DMA_FLAG=1
CONFIG_BOUNCE=y
CONFIG_UNEVICTABLE_LRU=y
+CONFIG_HAVE_MLOCK=y
+CONFIG_HAVE_MLOCKED_PAGE_BIT=y
CONFIG_ARCH_MEMORY_PROBE=y
CONFIG_PPC_HAS_HASH_64K=y
CONFIG_PPC_4K_PAGES=y
# CONFIG_PPC_16K_PAGES is not set
# CONFIG_PPC_64K_PAGES is not set
+# CONFIG_PPC_256K_PAGES is not set
CONFIG_FORCE_MAX_ZONEORDER=13
CONFIG_SCHED_SMT=y
CONFIG_PROC_DEVICETREE=y
@@ -316,7 +326,6 @@ CONFIG_NET=y
#
# Networking options
#
-CONFIG_COMPAT_NET_DEV_OPS=y
CONFIG_PACKET=y
CONFIG_PACKET_MMAP=y
CONFIG_UNIX=y
@@ -389,6 +398,7 @@ CONFIG_IPV6_NDISC_NODETYPE=y
# CONFIG_LAPB is not set
# CONFIG_ECONET is not set
# CONFIG_WAN_ROUTER is not set
+# CONFIG_PHONET is not set
# CONFIG_NET_SCHED is not set
# CONFIG_DCB is not set
@@ -396,6 +406,7 @@ CONFIG_IPV6_NDISC_NODETYPE=y
# Network testing
#
# CONFIG_NET_PKTGEN is not set
+# CONFIG_NET_DROP_MONITOR is not set
# CONFIG_HAMRADIO is not set
# CONFIG_CAN is not set
# CONFIG_IRDA is not set
@@ -419,11 +430,9 @@ CONFIG_BT_HCIBTUSB=m
# CONFIG_BT_HCIBFUSB is not set
# CONFIG_BT_HCIVHCI is not set
# CONFIG_AF_RXRPC is not set
-# CONFIG_PHONET is not set
CONFIG_WIRELESS=y
CONFIG_CFG80211=m
# CONFIG_CFG80211_REG_DEBUG is not set
-CONFIG_NL80211=y
# CONFIG_WIRELESS_OLD_REGULATORY is not set
CONFIG_WIRELESS_EXT=y
# CONFIG_WIRELESS_EXT_SYSFS is not set
@@ -602,6 +611,7 @@ CONFIG_SCSI_WAIT_SCAN=m
# CONFIG_SCSI_SRP_ATTRS is not set
# CONFIG_SCSI_LOWLEVEL is not set
# CONFIG_SCSI_DH is not set
+# CONFIG_SCSI_OSD_INITIATOR is not set
# CONFIG_ATA is not set
CONFIG_MD=y
# CONFIG_BLK_DEV_MD is not set
@@ -616,6 +626,7 @@ CONFIG_BLK_DEV_DM=m
# CONFIG_DM_UEVENT is not set
# CONFIG_MACINTOSH_DRIVERS is not set
CONFIG_NETDEVICES=y
+CONFIG_COMPAT_NET_DEV_OPS=y
# CONFIG_DUMMY is not set
# CONFIG_BONDING is not set
# CONFIG_MACVLAN is not set
@@ -625,6 +636,8 @@ CONFIG_NETDEVICES=y
# CONFIG_PHYLIB is not set
CONFIG_NET_ETHERNET=y
CONFIG_MII=m
+# CONFIG_ETHOC is not set
+# CONFIG_DNET is not set
# CONFIG_IBM_NEW_EMAC_ZMII is not set
# CONFIG_IBM_NEW_EMAC_RGMII is not set
# CONFIG_IBM_NEW_EMAC_TAH is not set
@@ -646,12 +659,13 @@ CONFIG_GELIC_WIRELESS_OLD_PSK_INTERFACE=y
CONFIG_WLAN_80211=y
# CONFIG_LIBERTAS is not set
# CONFIG_LIBERTAS_THINFIRM is not set
+# CONFIG_AT76C50X_USB is not set
# CONFIG_USB_ZD1201 is not set
# CONFIG_USB_NET_RNDIS_WLAN is not set
# CONFIG_RTL8187 is not set
# CONFIG_MAC80211_HWSIM is not set
# CONFIG_P54_COMMON is not set
-# CONFIG_IWLWIFI_LEDS is not set
+# CONFIG_AR9170_USB is not set
# CONFIG_HOSTAP is not set
# CONFIG_B43 is not set
# CONFIG_B43LEGACY is not set
@@ -673,6 +687,7 @@ CONFIG_USB_PEGASUS=m
CONFIG_USB_USBNET=m
CONFIG_USB_NET_AX8817X=m
# CONFIG_USB_NET_CDCETHER is not set
+# CONFIG_USB_NET_CDC_EEM is not set
# CONFIG_USB_NET_DM9601 is not set
# CONFIG_USB_NET_SMSC95XX is not set
# CONFIG_USB_NET_GL620A is not set
@@ -724,28 +739,7 @@ CONFIG_INPUT_EVDEV=m
#
# CONFIG_INPUT_KEYBOARD is not set
# CONFIG_INPUT_MOUSE is not set
-CONFIG_INPUT_JOYSTICK=y
-# CONFIG_JOYSTICK_ANALOG is not set
-# CONFIG_JOYSTICK_A3D is not set
-# CONFIG_JOYSTICK_ADI is not set
-# CONFIG_JOYSTICK_COBRA is not set
-# CONFIG_JOYSTICK_GF2K is not set
-# CONFIG_JOYSTICK_GRIP is not set
-# CONFIG_JOYSTICK_GRIP_MP is not set
-# CONFIG_JOYSTICK_GUILLEMOT is not set
-# CONFIG_JOYSTICK_INTERACT is not set
-# CONFIG_JOYSTICK_SIDEWINDER is not set
-# CONFIG_JOYSTICK_TMDC is not set
-# CONFIG_JOYSTICK_IFORCE is not set
-# CONFIG_JOYSTICK_WARRIOR is not set
-# CONFIG_JOYSTICK_MAGELLAN is not set
-# CONFIG_JOYSTICK_SPACEORB is not set
-# CONFIG_JOYSTICK_SPACEBALL is not set
-# CONFIG_JOYSTICK_STINGER is not set
-# CONFIG_JOYSTICK_TWIDJOY is not set
-# CONFIG_JOYSTICK_ZHENHUA is not set
-# CONFIG_JOYSTICK_JOYDUMP is not set
-# CONFIG_JOYSTICK_XPAD is not set
+# CONFIG_INPUT_JOYSTICK is not set
# CONFIG_INPUT_TABLET is not set
# CONFIG_INPUT_TOUCHSCREEN is not set
# CONFIG_INPUT_MISC is not set
@@ -864,6 +858,7 @@ CONFIG_FB_PS3_DEFAULT_SIZE_M=9
# CONFIG_FB_VIRTUAL is not set
# CONFIG_FB_METRONOME is not set
# CONFIG_FB_MB862XX is not set
+# CONFIG_FB_BROADSHEET is not set
# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
#
@@ -934,15 +929,17 @@ CONFIG_USB_HIDDEV=y
#
# Special HID drivers
#
-# CONFIG_HID_COMPAT is not set
# CONFIG_HID_A4TECH is not set
# CONFIG_HID_APPLE is not set
# CONFIG_HID_BELKIN is not set
# CONFIG_HID_CHERRY is not set
# CONFIG_HID_CHICONY is not set
# CONFIG_HID_CYPRESS is not set
+# CONFIG_DRAGONRISE_FF is not set
# CONFIG_HID_EZKEY is not set
+# CONFIG_HID_KYE is not set
# CONFIG_HID_GYRATION is not set
+# CONFIG_HID_KENSINGTON is not set
# CONFIG_HID_LOGITECH is not set
# CONFIG_HID_MICROSOFT is not set
# CONFIG_HID_MONTEREY is not set
@@ -950,7 +947,7 @@ CONFIG_USB_HIDDEV=y
# CONFIG_HID_PANTHERLORD is not set
# CONFIG_HID_PETALYNX is not set
# CONFIG_HID_SAMSUNG is not set
-# CONFIG_HID_SONY is not set
+CONFIG_HID_SONY=m
# CONFIG_HID_SUNPLUS is not set
# CONFIG_GREENASIA_FF is not set
# CONFIG_HID_TOPSEED is not set
@@ -1012,11 +1009,11 @@ CONFIG_USB_OHCI_LITTLE_ENDIAN=y
# CONFIG_USB_TMC is not set
#
-# NOTE: USB_STORAGE depends on SCSI but BLK_DEV_SD may also be needed;
+# NOTE: USB_STORAGE depends on SCSI but BLK_DEV_SD may
#
#
-# see USB_STORAGE Help for more information
+# also be needed; see USB_STORAGE Help for more info
#
CONFIG_USB_STORAGE=m
# CONFIG_USB_STORAGE_DEBUG is not set
@@ -1058,7 +1055,6 @@ CONFIG_USB_STORAGE=m
# CONFIG_USB_LED is not set
# CONFIG_USB_CYPRESS_CY7C63 is not set
# CONFIG_USB_CYTHERM is not set
-# CONFIG_USB_PHIDGET is not set
# CONFIG_USB_IDMOUSE is not set
# CONFIG_USB_FTDI_ELAN is not set
# CONFIG_USB_APPLEDISPLAY is not set
@@ -1074,6 +1070,7 @@ CONFIG_USB_STORAGE=m
#
# OTG and related infrastructure
#
+# CONFIG_NOP_USB_XCEIV is not set
# CONFIG_MMC is not set
# CONFIG_MEMSTICK is not set
# CONFIG_NEW_LEDS is not set
@@ -1113,8 +1110,10 @@ CONFIG_RTC_INTF_DEV=y
#
# on-CPU RTC drivers
#
-CONFIG_RTC_DRV_PPC=m
+# CONFIG_RTC_DRV_GENERIC is not set
+CONFIG_RTC_DRV_PS3=m
# CONFIG_DMADEVICES is not set
+# CONFIG_AUXDISPLAY is not set
# CONFIG_UIO is not set
# CONFIG_STAGING is not set
@@ -1125,6 +1124,7 @@ CONFIG_EXT2_FS=m
# CONFIG_EXT2_FS_XATTR is not set
# CONFIG_EXT2_FS_XIP is not set
CONFIG_EXT3_FS=m
+# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set
CONFIG_EXT3_FS_XATTR=y
# CONFIG_EXT3_FS_POSIX_ACL is not set
# CONFIG_EXT3_FS_SECURITY is not set
@@ -1161,6 +1161,11 @@ CONFIG_AUTOFS4_FS=m
# CONFIG_FUSE_FS is not set
#
+# Caches
+#
+# CONFIG_FSCACHE is not set
+
+#
# CD-ROM/DVD Filesystems
#
CONFIG_ISO9660_FS=m
@@ -1211,6 +1216,7 @@ CONFIG_MISC_FILESYSTEMS=y
# CONFIG_ROMFS_FS is not set
# CONFIG_SYSV_FS is not set
# CONFIG_UFS_FS is not set
+# CONFIG_NILFS2_FS is not set
CONFIG_NETWORK_FILESYSTEMS=y
CONFIG_NFS_FS=y
CONFIG_NFS_V3=y
@@ -1223,7 +1229,6 @@ CONFIG_LOCKD_V4=y
CONFIG_NFS_COMMON=y
CONFIG_SUNRPC=y
CONFIG_SUNRPC_GSS=y
-# CONFIG_SUNRPC_REGISTER_V4 is not set
CONFIG_RPCSEC_GSS_KRB5=y
# CONFIG_RPCSEC_GSS_SPKM3 is not set
# CONFIG_SMB_FS is not set
@@ -1283,6 +1288,7 @@ CONFIG_NLS_ISO8859_1=y
# CONFIG_NLS_KOI8_U is not set
# CONFIG_NLS_UTF8 is not set
# CONFIG_DLM is not set
+CONFIG_BINARY_PRINTF=y
#
# Library routines
@@ -1296,15 +1302,16 @@ CONFIG_CRC_ITU_T=m
CONFIG_CRC32=y
# CONFIG_CRC7 is not set
# CONFIG_LIBCRC32C is not set
-CONFIG_ZLIB_INFLATE=m
+CONFIG_ZLIB_INFLATE=y
CONFIG_ZLIB_DEFLATE=m
CONFIG_LZO_COMPRESS=m
CONFIG_LZO_DECOMPRESS=m
-CONFIG_PLIST=y
+CONFIG_DECOMPRESS_GZIP=y
CONFIG_HAS_IOMEM=y
CONFIG_HAS_IOPORT=y
CONFIG_HAS_DMA=y
CONFIG_HAVE_LMB=y
+CONFIG_NLATTR=y
#
# Kernel hacking
@@ -1322,6 +1329,9 @@ CONFIG_DEBUG_KERNEL=y
CONFIG_DETECT_SOFTLOCKUP=y
# CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC is not set
CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE=0
+CONFIG_DETECT_HUNG_TASK=y
+# CONFIG_BOOTPARAM_HUNG_TASK_PANIC is not set
+CONFIG_BOOTPARAM_HUNG_TASK_PANIC_VALUE=0
CONFIG_SCHED_DEBUG=y
# CONFIG_SCHEDSTATS is not set
# CONFIG_TIMER_STATS is not set
@@ -1357,12 +1367,15 @@ CONFIG_DEBUG_LIST=y
# CONFIG_FAULT_INJECTION is not set
# CONFIG_LATENCYTOP is not set
CONFIG_SYSCTL_SYSCALL_CHECK=y
+# CONFIG_DEBUG_PAGEALLOC is not set
CONFIG_NOP_TRACER=y
CONFIG_HAVE_FUNCTION_TRACER=y
+CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y
CONFIG_HAVE_DYNAMIC_FTRACE=y
CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y
CONFIG_RING_BUFFER=y
CONFIG_TRACING=y
+CONFIG_TRACING_SUPPORT=y
#
# Tracers
@@ -1371,18 +1384,21 @@ CONFIG_TRACING=y
# CONFIG_IRQSOFF_TRACER is not set
# CONFIG_SCHED_TRACER is not set
# CONFIG_CONTEXT_SWITCH_TRACER is not set
+# CONFIG_EVENT_TRACER is not set
# CONFIG_BOOT_TRACER is not set
# CONFIG_TRACE_BRANCH_PROFILING is not set
# CONFIG_STACK_TRACER is not set
+# CONFIG_KMEMTRACE is not set
+# CONFIG_WORKQUEUE_TRACER is not set
+# CONFIG_BLK_DEV_IO_TRACE is not set
# CONFIG_FTRACE_STARTUP_TEST is not set
-# CONFIG_DYNAMIC_PRINTK_DEBUG is not set
+# CONFIG_DYNAMIC_DEBUG is not set
# CONFIG_SAMPLES is not set
CONFIG_HAVE_ARCH_KGDB=y
# CONFIG_KGDB is not set
CONFIG_PRINT_STACK_DEPTH=64
CONFIG_DEBUG_STACKOVERFLOW=y
# CONFIG_DEBUG_STACK_USAGE is not set
-# CONFIG_DEBUG_PAGEALLOC is not set
# CONFIG_CODE_PATCHING_SELFTEST is not set
# CONFIG_FTR_FIXUP_SELFTEST is not set
# CONFIG_MSI_BITMAP_SELFTEST is not set
@@ -1415,10 +1431,12 @@ CONFIG_CRYPTO_HASH=y
CONFIG_CRYPTO_HASH2=y
CONFIG_CRYPTO_RNG=m
CONFIG_CRYPTO_RNG2=y
+CONFIG_CRYPTO_PCOMP=y
CONFIG_CRYPTO_MANAGER=y
CONFIG_CRYPTO_MANAGER2=y
CONFIG_CRYPTO_GF128MUL=m
# CONFIG_CRYPTO_NULL is not set
+CONFIG_CRYPTO_WORKQUEUE=y
# CONFIG_CRYPTO_CRYPTD is not set
# CONFIG_CRYPTO_AUTHENC is not set
# CONFIG_CRYPTO_TEST is not set
@@ -1487,6 +1505,7 @@ CONFIG_CRYPTO_SALSA20=m
# Compression
#
# CONFIG_CRYPTO_DEFLATE is not set
+# CONFIG_CRYPTO_ZLIB is not set
CONFIG_CRYPTO_LZO=m
#
diff --git a/arch/powerpc/include/asm/dma-mapping.h b/arch/powerpc/include/asm/dma-mapping.h
index c69f2b5f0cc4..cb448d68452c 100644
--- a/arch/powerpc/include/asm/dma-mapping.h
+++ b/arch/powerpc/include/asm/dma-mapping.h
@@ -26,7 +26,9 @@
* allocate the space "normally" and use the cache management functions
* to ensure it is consistent.
*/
-extern void *__dma_alloc_coherent(size_t size, dma_addr_t *handle, gfp_t gfp);
+struct device;
+extern void *__dma_alloc_coherent(struct device *dev, size_t size,
+ dma_addr_t *handle, gfp_t gfp);
extern void __dma_free_coherent(size_t size, void *vaddr);
extern void __dma_sync(void *vaddr, size_t size, int direction);
extern void __dma_sync_page(struct page *page, unsigned long offset,
@@ -37,7 +39,7 @@ extern void __dma_sync_page(struct page *page, unsigned long offset,
* Cache coherent cores.
*/
-#define __dma_alloc_coherent(gfp, size, handle) NULL
+#define __dma_alloc_coherent(dev, gfp, size, handle) NULL
#define __dma_free_coherent(size, addr) ((void)0)
#define __dma_sync(addr, size, rw) ((void)0)
#define __dma_sync_page(pg, off, sz, rw) ((void)0)
diff --git a/arch/powerpc/include/asm/fixmap.h b/arch/powerpc/include/asm/fixmap.h
index d60fd18f428c..f1f4e23a84e9 100644
--- a/arch/powerpc/include/asm/fixmap.h
+++ b/arch/powerpc/include/asm/fixmap.h
@@ -14,8 +14,6 @@
#ifndef _ASM_FIXMAP_H
#define _ASM_FIXMAP_H
-extern unsigned long FIXADDR_TOP;
-
#ifndef __ASSEMBLY__
#include <linux/kernel.h>
#include <asm/page.h>
@@ -24,6 +22,8 @@ extern unsigned long FIXADDR_TOP;
#include <asm/kmap_types.h>
#endif
+#define FIXADDR_TOP ((unsigned long)(-PAGE_SIZE))
+
/*
* Here we define all the compile-time 'special' virtual
* addresses. The point is to have a constant address at
diff --git a/arch/powerpc/include/asm/pgtable-ppc32.h b/arch/powerpc/include/asm/pgtable-ppc32.h
index ba45c997830f..c9ff9d75990e 100644
--- a/arch/powerpc/include/asm/pgtable-ppc32.h
+++ b/arch/powerpc/include/asm/pgtable-ppc32.h
@@ -10,7 +10,7 @@
extern unsigned long va_to_phys(unsigned long address);
extern pte_t *va_to_pte(unsigned long address);
-extern unsigned long ioremap_bot, ioremap_base;
+extern unsigned long ioremap_bot;
#ifdef CONFIG_44x
extern int icache_44x_need_flush;
@@ -56,8 +56,30 @@ extern int icache_44x_need_flush;
printk("%s:%d: bad pgd %08lx.\n", __FILE__, __LINE__, pgd_val(e))
/*
+ * This is the bottom of the PKMAP area with HIGHMEM or an arbitrary
+ * value (for now) on others, from where we can start layout kernel
+ * virtual space that goes below PKMAP and FIXMAP
+ */
+#ifdef CONFIG_HIGHMEM
+#define KVIRT_TOP PKMAP_BASE
+#else
+#define KVIRT_TOP (0xfe000000UL) /* for now, could be FIXMAP_BASE ? */
+#endif
+
+/*
+ * ioremap_bot starts at that address. Early ioremaps move down from there,
+ * until mem_init() at which point this becomes the top of the vmalloc
+ * and ioremap space
+ */
+#ifdef CONFIG_NOT_COHERENT_CACHE
+#define IOREMAP_TOP ((KVIRT_TOP - CONFIG_CONSISTENT_SIZE) & PAGE_MASK)
+#else
+#define IOREMAP_TOP KVIRT_TOP
+#endif
+
+/*
* Just any arbitrary offset to the start of the vmalloc VM area: the
- * current 64MB value just means that there will be a 64MB "hole" after the
+ * current 16MB value just means that there will be a 64MB "hole" after the
* physical memory until the kernel virtual memory starts. That means that
* any out-of-bounds memory accesses will hopefully be caught.
* The vmalloc() routines leaves a hole of 4kB between each vmalloced
diff --git a/arch/powerpc/kernel/dma.c b/arch/powerpc/kernel/dma.c
index 53c7788cba78..6b02793dc75b 100644
--- a/arch/powerpc/kernel/dma.c
+++ b/arch/powerpc/kernel/dma.c
@@ -32,7 +32,7 @@ void *dma_direct_alloc_coherent(struct device *dev, size_t size,
{
void *ret;
#ifdef CONFIG_NOT_COHERENT_CACHE
- ret = __dma_alloc_coherent(size, dma_handle, flag);
+ ret = __dma_alloc_coherent(dev, size, dma_handle, flag);
if (ret == NULL)
return NULL;
*dma_handle += get_dma_direct_offset(dev);
diff --git a/arch/powerpc/kernel/ftrace.c b/arch/powerpc/kernel/ftrace.c
index 70e2a736be1f..2d182f119d1d 100644
--- a/arch/powerpc/kernel/ftrace.c
+++ b/arch/powerpc/kernel/ftrace.c
@@ -157,7 +157,7 @@ __ftrace_make_nop(struct module *mod,
* 0xe8, 0x4c, 0x00, 0x28, ld r2,40(r12)
*/
- pr_debug("ip:%lx jumps to %lx r2: %lx", ip, tramp, mod->arch.toc);
+ pr_devel("ip:%lx jumps to %lx r2: %lx", ip, tramp, mod->arch.toc);
/* Find where the trampoline jumps to */
if (probe_kernel_read(jmp, (void *)tramp, sizeof(jmp))) {
@@ -165,7 +165,7 @@ __ftrace_make_nop(struct module *mod,
return -EFAULT;
}
- pr_debug(" %08x %08x", jmp[0], jmp[1]);
+ pr_devel(" %08x %08x", jmp[0], jmp[1]);
/* verify that this is what we expect it to be */
if (((jmp[0] & 0xffff0000) != 0x3d820000) ||
@@ -181,18 +181,18 @@ __ftrace_make_nop(struct module *mod,
offset = ((unsigned)((unsigned short)jmp[0]) << 16) +
(int)((short)jmp[1]);
- pr_debug(" %x ", offset);
+ pr_devel(" %x ", offset);
/* get the address this jumps too */
tramp = mod->arch.toc + offset + 32;
- pr_debug("toc: %lx", tramp);
+ pr_devel("toc: %lx", tramp);
if (probe_kernel_read(jmp, (void *)tramp, 8)) {
printk(KERN_ERR "Failed to read %lx\n", tramp);
return -EFAULT;
}
- pr_debug(" %08x %08x\n", jmp[0], jmp[1]);
+ pr_devel(" %08x %08x\n", jmp[0], jmp[1]);
ptr = ((unsigned long)jmp[0] << 32) + jmp[1];
@@ -269,7 +269,7 @@ __ftrace_make_nop(struct module *mod,
* 0x4e, 0x80, 0x04, 0x20 bctr
*/
- pr_debug("ip:%lx jumps to %lx", ip, tramp);
+ pr_devel("ip:%lx jumps to %lx", ip, tramp);
/* Find where the trampoline jumps to */
if (probe_kernel_read(jmp, (void *)tramp, sizeof(jmp))) {
@@ -277,7 +277,7 @@ __ftrace_make_nop(struct module *mod,
return -EFAULT;
}
- pr_debug(" %08x %08x ", jmp[0], jmp[1]);
+ pr_devel(" %08x %08x ", jmp[0], jmp[1]);
/* verify that this is what we expect it to be */
if (((jmp[0] & 0xffff0000) != 0x3d600000) ||
@@ -293,7 +293,7 @@ __ftrace_make_nop(struct module *mod,
if (tramp & 0x8000)
tramp -= 0x10000;
- pr_debug(" %lx ", tramp);
+ pr_devel(" %lx ", tramp);
if (tramp != addr) {
printk(KERN_ERR
@@ -402,7 +402,7 @@ __ftrace_make_call(struct dyn_ftrace *rec, unsigned long addr)
/* ld r2,40(r1) */
op[1] = 0xe8410028;
- pr_debug("write to %lx\n", rec->ip);
+ pr_devel("write to %lx\n", rec->ip);
if (probe_kernel_write((void *)ip, op, MCOUNT_INSN_SIZE * 2))
return -EPERM;
@@ -442,7 +442,7 @@ __ftrace_make_call(struct dyn_ftrace *rec, unsigned long addr)
return -EINVAL;
}
- pr_debug("write to %lx\n", rec->ip);
+ pr_devel("write to %lx\n", rec->ip);
if (probe_kernel_write((void *)ip, &op, MCOUNT_INSN_SIZE))
return -EPERM;
@@ -594,7 +594,7 @@ void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr)
PPC_LONG "2b,4b\n"
".previous"
- : [old] "=r" (old), [faulted] "=r" (faulted)
+ : [old] "=&r" (old), [faulted] "=r" (faulted)
: [parent] "r" (parent), [return_hooker] "r" (return_hooker)
: "memory"
);
diff --git a/arch/powerpc/kernel/vmlinux.lds.S b/arch/powerpc/kernel/vmlinux.lds.S
index a047a6cfca4d..8ef8a14abc95 100644
--- a/arch/powerpc/kernel/vmlinux.lds.S
+++ b/arch/powerpc/kernel/vmlinux.lds.S
@@ -264,6 +264,7 @@ SECTIONS
*(.data.page_aligned)
}
+ . = ALIGN(L1_CACHE_BYTES);
.data.cacheline_aligned : AT(ADDR(.data.cacheline_aligned) - LOAD_OFFSET) {
*(.data.cacheline_aligned)
}
diff --git a/arch/powerpc/lib/Makefile b/arch/powerpc/lib/Makefile
index 8db35278a4b4..29b742b90f1f 100644
--- a/arch/powerpc/lib/Makefile
+++ b/arch/powerpc/lib/Makefile
@@ -18,7 +18,6 @@ obj-$(CONFIG_PPC64) += copypage_64.o copyuser_64.o \
memcpy_64.o usercopy_64.o mem_64.o string.o
obj-$(CONFIG_XMON) += sstep.o
obj-$(CONFIG_KPROBES) += sstep.o
-obj-$(CONFIG_NOT_COHERENT_CACHE) += dma-noncoherent.o
ifeq ($(CONFIG_PPC64),y)
obj-$(CONFIG_SMP) += locks.o
diff --git a/arch/powerpc/lib/dma-noncoherent.c b/arch/powerpc/lib/dma-noncoherent.c
deleted file mode 100644
index 005a28d380af..000000000000
--- a/arch/powerpc/lib/dma-noncoherent.c
+++ /dev/null
@@ -1,237 +0,0 @@
-/*
- * PowerPC version derived from arch/arm/mm/consistent.c
- * Copyright (C) 2001 Dan Malek (dmalek@jlc.net)
- *
- * Copyright (C) 2000 Russell King
- *
- * Consistent memory allocators. Used for DMA devices that want to
- * share uncached memory with the processor core. The function return
- * is the virtual address and 'dma_handle' is the physical address.
- * Mostly stolen from the ARM port, with some changes for PowerPC.
- * -- Dan
- *
- * Reorganized to get rid of the arch-specific consistent_* functions
- * and provide non-coherent implementations for the DMA API. -Matt
- *
- * Added in_interrupt() safe dma_alloc_coherent()/dma_free_coherent()
- * implementation. This is pulled straight from ARM and barely
- * modified. -Matt
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <linux/sched.h>
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/string.h>
-#include <linux/types.h>
-#include <linux/highmem.h>
-#include <linux/dma-mapping.h>
-#include <linux/vmalloc.h>
-
-#include <asm/tlbflush.h>
-
-/*
- * Allocate DMA-coherent memory space and return both the kernel remapped
- * virtual and bus address for that space.
- */
-void *
-__dma_alloc_coherent(size_t size, dma_addr_t *handle, gfp_t gfp)
-{
- struct page *page;
- unsigned long order;
- int i;
- unsigned int nr_pages = PAGE_ALIGN(size)>>PAGE_SHIFT;
- unsigned int array_size = nr_pages * sizeof(struct page *);
- struct page **pages;
- struct page *end;
- u64 mask = 0x00ffffff, limit; /* ISA default */
- struct vm_struct *area;
-
- BUG_ON(!mem_init_done);
- size = PAGE_ALIGN(size);
- limit = (mask + 1) & ~mask;
- if (limit && size >= limit) {
- printk(KERN_WARNING "coherent allocation too big (requested "
- "%#x mask %#Lx)\n", size, mask);
- return NULL;
- }
-
- order = get_order(size);
-
- if (mask != 0xffffffff)
- gfp |= GFP_DMA;
-
- page = alloc_pages(gfp, order);
- if (!page)
- goto no_page;
-
- end = page + (1 << order);
-
- /*
- * Invalidate any data that might be lurking in the
- * kernel direct-mapped region for device DMA.
- */
- {
- unsigned long kaddr = (unsigned long)page_address(page);
- memset(page_address(page), 0, size);
- flush_dcache_range(kaddr, kaddr + size);
- }
-
- split_page(page, order);
-
- /*
- * Set the "dma handle"
- */
- *handle = page_to_phys(page);
-
- area = get_vm_area_caller(size, VM_IOREMAP,
- __builtin_return_address(1));
- if (!area)
- goto out_free_pages;
-
- if (array_size > PAGE_SIZE) {
- pages = vmalloc(array_size);
- area->flags |= VM_VPAGES;
- } else {
- pages = kmalloc(array_size, GFP_KERNEL);
- }
- if (!pages)
- goto out_free_area;
-
- area->pages = pages;
- area->nr_pages = nr_pages;
-
- for (i = 0; i < nr_pages; i++)
- pages[i] = page + i;
-
- if (map_vm_area(area, pgprot_noncached(PAGE_KERNEL), &pages))
- goto out_unmap;
-
- /*
- * Free the otherwise unused pages.
- */
- page += nr_pages;
- while (page < end) {
- __free_page(page);
- page++;
- }
-
- return area->addr;
-out_unmap:
- vunmap(area->addr);
- if (array_size > PAGE_SIZE)
- vfree(pages);
- else
- kfree(pages);
- goto out_free_pages;
-out_free_area:
- free_vm_area(area);
-out_free_pages:
- if (page)
- __free_pages(page, order);
-no_page:
- return NULL;
-}
-EXPORT_SYMBOL(__dma_alloc_coherent);
-
-/*
- * free a page as defined by the above mapping.
- */
-void __dma_free_coherent(size_t size, void *vaddr)
-{
- vfree(vaddr);
-
-}
-EXPORT_SYMBOL(__dma_free_coherent);
-
-/*
- * make an area consistent.
- */
-void __dma_sync(void *vaddr, size_t size, int direction)
-{
- unsigned long start = (unsigned long)vaddr;
- unsigned long end = start + size;
-
- switch (direction) {
- case DMA_NONE:
- BUG();
- case DMA_FROM_DEVICE:
- /*
- * invalidate only when cache-line aligned otherwise there is
- * the potential for discarding uncommitted data from the cache
- */
- if ((start & (L1_CACHE_BYTES - 1)) || (size & (L1_CACHE_BYTES - 1)))
- flush_dcache_range(start, end);
- else
- invalidate_dcache_range(start, end);
- break;
- case DMA_TO_DEVICE: /* writeback only */
- clean_dcache_range(start, end);
- break;
- case DMA_BIDIRECTIONAL: /* writeback and invalidate */
- flush_dcache_range(start, end);
- break;
- }
-}
-EXPORT_SYMBOL(__dma_sync);
-
-#ifdef CONFIG_HIGHMEM
-/*
- * __dma_sync_page() implementation for systems using highmem.
- * In this case, each page of a buffer must be kmapped/kunmapped
- * in order to have a virtual address for __dma_sync(). This must
- * not sleep so kmap_atomic()/kunmap_atomic() are used.
- *
- * Note: yes, it is possible and correct to have a buffer extend
- * beyond the first page.
- */
-static inline void __dma_sync_page_highmem(struct page *page,
- unsigned long offset, size_t size, int direction)
-{
- size_t seg_size = min((size_t)(PAGE_SIZE - offset), size);
- size_t cur_size = seg_size;
- unsigned long flags, start, seg_offset = offset;
- int nr_segs = 1 + ((size - seg_size) + PAGE_SIZE - 1)/PAGE_SIZE;
- int seg_nr = 0;
-
- local_irq_save(flags);
-
- do {
- start = (unsigned long)kmap_atomic(page + seg_nr,
- KM_PPC_SYNC_PAGE) + seg_offset;
-
- /* Sync this buffer segment */
- __dma_sync((void *)start, seg_size, direction);
- kunmap_atomic((void *)start, KM_PPC_SYNC_PAGE);
- seg_nr++;
-
- /* Calculate next buffer segment size */
- seg_size = min((size_t)PAGE_SIZE, size - cur_size);
-
- /* Add the segment size to our running total */
- cur_size += seg_size;
- seg_offset = 0;
- } while (seg_nr < nr_segs);
-
- local_irq_restore(flags);
-}
-#endif /* CONFIG_HIGHMEM */
-
-/*
- * __dma_sync_page makes memory consistent. identical to __dma_sync, but
- * takes a struct page instead of a virtual address
- */
-void __dma_sync_page(struct page *page, unsigned long offset,
- size_t size, int direction)
-{
-#ifdef CONFIG_HIGHMEM
- __dma_sync_page_highmem(page, offset, size, direction);
-#else
- unsigned long start = (unsigned long)page_address(page) + offset;
- __dma_sync((void *)start, size, direction);
-#endif
-}
-EXPORT_SYMBOL(__dma_sync_page);
diff --git a/arch/powerpc/mm/Makefile b/arch/powerpc/mm/Makefile
index 17290bcedc5e..b746f4ca4209 100644
--- a/arch/powerpc/mm/Makefile
+++ b/arch/powerpc/mm/Makefile
@@ -26,3 +26,4 @@ obj-$(CONFIG_NEED_MULTIPLE_NODES) += numa.o
obj-$(CONFIG_PPC_MM_SLICES) += slice.o
obj-$(CONFIG_HUGETLB_PAGE) += hugetlbpage.o
obj-$(CONFIG_PPC_SUBPAGE_PROT) += subpage-prot.o
+obj-$(CONFIG_NOT_COHERENT_CACHE) += dma-noncoherent.o
diff --git a/arch/powerpc/mm/dma-noncoherent.c b/arch/powerpc/mm/dma-noncoherent.c
new file mode 100644
index 000000000000..36692f5c9a76
--- /dev/null
+++ b/arch/powerpc/mm/dma-noncoherent.c
@@ -0,0 +1,400 @@
+/*
+ * PowerPC version derived from arch/arm/mm/consistent.c
+ * Copyright (C) 2001 Dan Malek (dmalek@jlc.net)
+ *
+ * Copyright (C) 2000 Russell King
+ *
+ * Consistent memory allocators. Used for DMA devices that want to
+ * share uncached memory with the processor core. The function return
+ * is the virtual address and 'dma_handle' is the physical address.
+ * Mostly stolen from the ARM port, with some changes for PowerPC.
+ * -- Dan
+ *
+ * Reorganized to get rid of the arch-specific consistent_* functions
+ * and provide non-coherent implementations for the DMA API. -Matt
+ *
+ * Added in_interrupt() safe dma_alloc_coherent()/dma_free_coherent()
+ * implementation. This is pulled straight from ARM and barely
+ * modified. -Matt
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/sched.h>
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/string.h>
+#include <linux/types.h>
+#include <linux/highmem.h>
+#include <linux/dma-mapping.h>
+
+#include <asm/tlbflush.h>
+
+#include "mmu_decl.h"
+
+/*
+ * This address range defaults to a value that is safe for all
+ * platforms which currently set CONFIG_NOT_COHERENT_CACHE. It
+ * can be further configured for specific applications under
+ * the "Advanced Setup" menu. -Matt
+ */
+#define CONSISTENT_BASE (IOREMAP_TOP)
+#define CONSISTENT_END (CONSISTENT_BASE + CONFIG_CONSISTENT_SIZE)
+#define CONSISTENT_OFFSET(x) (((unsigned long)(x) - CONSISTENT_BASE) >> PAGE_SHIFT)
+
+/*
+ * This is the page table (2MB) covering uncached, DMA consistent allocations
+ */
+static DEFINE_SPINLOCK(consistent_lock);
+
+/*
+ * VM region handling support.
+ *
+ * This should become something generic, handling VM region allocations for
+ * vmalloc and similar (ioremap, module space, etc).
+ *
+ * I envisage vmalloc()'s supporting vm_struct becoming:
+ *
+ * struct vm_struct {
+ * struct vm_region region;
+ * unsigned long flags;
+ * struct page **pages;
+ * unsigned int nr_pages;
+ * unsigned long phys_addr;
+ * };
+ *
+ * get_vm_area() would then call vm_region_alloc with an appropriate
+ * struct vm_region head (eg):
+ *
+ * struct vm_region vmalloc_head = {
+ * .vm_list = LIST_HEAD_INIT(vmalloc_head.vm_list),
+ * .vm_start = VMALLOC_START,
+ * .vm_end = VMALLOC_END,
+ * };
+ *
+ * However, vmalloc_head.vm_start is variable (typically, it is dependent on
+ * the amount of RAM found at boot time.) I would imagine that get_vm_area()
+ * would have to initialise this each time prior to calling vm_region_alloc().
+ */
+struct ppc_vm_region {
+ struct list_head vm_list;
+ unsigned long vm_start;
+ unsigned long vm_end;
+};
+
+static struct ppc_vm_region consistent_head = {
+ .vm_list = LIST_HEAD_INIT(consistent_head.vm_list),
+ .vm_start = CONSISTENT_BASE,
+ .vm_end = CONSISTENT_END,
+};
+
+static struct ppc_vm_region *
+ppc_vm_region_alloc(struct ppc_vm_region *head, size_t size, gfp_t gfp)
+{
+ unsigned long addr = head->vm_start, end = head->vm_end - size;
+ unsigned long flags;
+ struct ppc_vm_region *c, *new;
+
+ new = kmalloc(sizeof(struct ppc_vm_region), gfp);
+ if (!new)
+ goto out;
+
+ spin_lock_irqsave(&consistent_lock, flags);
+
+ list_for_each_entry(c, &head->vm_list, vm_list) {
+ if ((addr + size) < addr)
+ goto nospc;
+ if ((addr + size) <= c->vm_start)
+ goto found;
+ addr = c->vm_end;
+ if (addr > end)
+ goto nospc;
+ }
+
+ found:
+ /*
+ * Insert this entry _before_ the one we found.
+ */
+ list_add_tail(&new->vm_list, &c->vm_list);
+ new->vm_start = addr;
+ new->vm_end = addr + size;
+
+ spin_unlock_irqrestore(&consistent_lock, flags);
+ return new;
+
+ nospc:
+ spin_unlock_irqrestore(&consistent_lock, flags);
+ kfree(new);
+ out:
+ return NULL;
+}
+
+static struct ppc_vm_region *ppc_vm_region_find(struct ppc_vm_region *head, unsigned long addr)
+{
+ struct ppc_vm_region *c;
+
+ list_for_each_entry(c, &head->vm_list, vm_list) {
+ if (c->vm_start == addr)
+ goto out;
+ }
+ c = NULL;
+ out:
+ return c;
+}
+
+/*
+ * Allocate DMA-coherent memory space and return both the kernel remapped
+ * virtual and bus address for that space.
+ */
+void *
+__dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *handle, gfp_t gfp)
+{
+ struct page *page;
+ struct ppc_vm_region *c;
+ unsigned long order;
+ u64 mask = ISA_DMA_THRESHOLD, limit;
+
+ if (dev) {
+ mask = dev->coherent_dma_mask;
+
+ /*
+ * Sanity check the DMA mask - it must be non-zero, and
+ * must be able to be satisfied by a DMA allocation.
+ */
+ if (mask == 0) {
+ dev_warn(dev, "coherent DMA mask is unset\n");
+ goto no_page;
+ }
+
+ if ((~mask) & ISA_DMA_THRESHOLD) {
+ dev_warn(dev, "coherent DMA mask %#llx is smaller "
+ "than system GFP_DMA mask %#llx\n",
+ mask, (unsigned long long)ISA_DMA_THRESHOLD);
+ goto no_page;
+ }
+ }
+
+
+ size = PAGE_ALIGN(size);
+ limit = (mask + 1) & ~mask;
+ if ((limit && size >= limit) ||
+ size >= (CONSISTENT_END - CONSISTENT_BASE)) {
+ printk(KERN_WARNING "coherent allocation too big (requested %#x mask %#Lx)\n",
+ size, mask);
+ return NULL;
+ }
+
+ order = get_order(size);
+
+ /* Might be useful if we ever have a real legacy DMA zone... */
+ if (mask != 0xffffffff)
+ gfp |= GFP_DMA;
+
+ page = alloc_pages(gfp, order);
+ if (!page)
+ goto no_page;
+
+ /*
+ * Invalidate any data that might be lurking in the
+ * kernel direct-mapped region for device DMA.
+ */
+ {
+ unsigned long kaddr = (unsigned long)page_address(page);
+ memset(page_address(page), 0, size);
+ flush_dcache_range(kaddr, kaddr + size);
+ }
+
+ /*
+ * Allocate a virtual address in the consistent mapping region.
+ */
+ c = ppc_vm_region_alloc(&consistent_head, size,
+ gfp & ~(__GFP_DMA | __GFP_HIGHMEM));
+ if (c) {
+ unsigned long vaddr = c->vm_start;
+ struct page *end = page + (1 << order);
+
+ split_page(page, order);
+
+ /*
+ * Set the "dma handle"
+ */
+ *handle = page_to_phys(page);
+
+ do {
+ SetPageReserved(page);
+ map_page(vaddr, page_to_phys(page),
+ pgprot_noncached(PAGE_KERNEL));
+ page++;
+ vaddr += PAGE_SIZE;
+ } while (size -= PAGE_SIZE);
+
+ /*
+ * Free the otherwise unused pages.
+ */
+ while (page < end) {
+ __free_page(page);
+ page++;
+ }
+
+ return (void *)c->vm_start;
+ }
+
+ if (page)
+ __free_pages(page, order);
+ no_page:
+ return NULL;
+}
+EXPORT_SYMBOL(__dma_alloc_coherent);
+
+/*
+ * free a page as defined by the above mapping.
+ */
+void __dma_free_coherent(size_t size, void *vaddr)
+{
+ struct ppc_vm_region *c;
+ unsigned long flags, addr;
+
+ size = PAGE_ALIGN(size);
+
+ spin_lock_irqsave(&consistent_lock, flags);
+
+ c = ppc_vm_region_find(&consistent_head, (unsigned long)vaddr);
+ if (!c)
+ goto no_area;
+
+ if ((c->vm_end - c->vm_start) != size) {
+ printk(KERN_ERR "%s: freeing wrong coherent size (%ld != %d)\n",
+ __func__, c->vm_end - c->vm_start, size);
+ dump_stack();
+ size = c->vm_end - c->vm_start;
+ }
+
+ addr = c->vm_start;
+ do {
+ pte_t *ptep;
+ unsigned long pfn;
+
+ ptep = pte_offset_kernel(pmd_offset(pud_offset(pgd_offset_k(addr),
+ addr),
+ addr),
+ addr);
+ if (!pte_none(*ptep) && pte_present(*ptep)) {
+ pfn = pte_pfn(*ptep);
+ pte_clear(&init_mm, addr, ptep);
+ if (pfn_valid(pfn)) {
+ struct page *page = pfn_to_page(pfn);
+
+ ClearPageReserved(page);
+ __free_page(page);
+ }
+ }
+ addr += PAGE_SIZE;
+ } while (size -= PAGE_SIZE);
+
+ flush_tlb_kernel_range(c->vm_start, c->vm_end);
+
+ list_del(&c->vm_list);
+
+ spin_unlock_irqrestore(&consistent_lock, flags);
+
+ kfree(c);
+ return;
+
+ no_area:
+ spin_unlock_irqrestore(&consistent_lock, flags);
+ printk(KERN_ERR "%s: trying to free invalid coherent area: %p\n",
+ __func__, vaddr);
+ dump_stack();
+}
+EXPORT_SYMBOL(__dma_free_coherent);
+
+/*
+ * make an area consistent.
+ */
+void __dma_sync(void *vaddr, size_t size, int direction)
+{
+ unsigned long start = (unsigned long)vaddr;
+ unsigned long end = start + size;
+
+ switch (direction) {
+ case DMA_NONE:
+ BUG();
+ case DMA_FROM_DEVICE:
+ /*
+ * invalidate only when cache-line aligned otherwise there is
+ * the potential for discarding uncommitted data from the cache
+ */
+ if ((start & (L1_CACHE_BYTES - 1)) || (size & (L1_CACHE_BYTES - 1)))
+ flush_dcache_range(start, end);
+ else
+ invalidate_dcache_range(start, end);
+ break;
+ case DMA_TO_DEVICE: /* writeback only */
+ clean_dcache_range(start, end);
+ break;
+ case DMA_BIDIRECTIONAL: /* writeback and invalidate */
+ flush_dcache_range(start, end);
+ break;
+ }
+}
+EXPORT_SYMBOL(__dma_sync);
+
+#ifdef CONFIG_HIGHMEM
+/*
+ * __dma_sync_page() implementation for systems using highmem.
+ * In this case, each page of a buffer must be kmapped/kunmapped
+ * in order to have a virtual address for __dma_sync(). This must
+ * not sleep so kmap_atomic()/kunmap_atomic() are used.
+ *
+ * Note: yes, it is possible and correct to have a buffer extend
+ * beyond the first page.
+ */
+static inline void __dma_sync_page_highmem(struct page *page,
+ unsigned long offset, size_t size, int direction)
+{
+ size_t seg_size = min((size_t)(PAGE_SIZE - offset), size);
+ size_t cur_size = seg_size;
+ unsigned long flags, start, seg_offset = offset;
+ int nr_segs = 1 + ((size - seg_size) + PAGE_SIZE - 1)/PAGE_SIZE;
+ int seg_nr = 0;
+
+ local_irq_save(flags);
+
+ do {
+ start = (unsigned long)kmap_atomic(page + seg_nr,
+ KM_PPC_SYNC_PAGE) + seg_offset;
+
+ /* Sync this buffer segment */
+ __dma_sync((void *)start, seg_size, direction);
+ kunmap_atomic((void *)start, KM_PPC_SYNC_PAGE);
+ seg_nr++;
+
+ /* Calculate next buffer segment size */
+ seg_size = min((size_t)PAGE_SIZE, size - cur_size);
+
+ /* Add the segment size to our running total */
+ cur_size += seg_size;
+ seg_offset = 0;
+ } while (seg_nr < nr_segs);
+
+ local_irq_restore(flags);
+}
+#endif /* CONFIG_HIGHMEM */
+
+/*
+ * __dma_sync_page makes memory consistent. identical to __dma_sync, but
+ * takes a struct page instead of a virtual address
+ */
+void __dma_sync_page(struct page *page, unsigned long offset,
+ size_t size, int direction)
+{
+#ifdef CONFIG_HIGHMEM
+ __dma_sync_page_highmem(page, offset, size, direction);
+#else
+ unsigned long start = (unsigned long)page_address(page) + offset;
+ __dma_sync((void *)start, size, direction);
+#endif
+}
+EXPORT_SYMBOL(__dma_sync_page);
diff --git a/arch/powerpc/mm/init_32.c b/arch/powerpc/mm/init_32.c
index 666a5e8a5be1..3de6a0d93824 100644
--- a/arch/powerpc/mm/init_32.c
+++ b/arch/powerpc/mm/init_32.c
@@ -168,12 +168,8 @@ void __init MMU_init(void)
ppc_md.progress("MMU:mapin", 0x301);
mapin_ram();
-#ifdef CONFIG_HIGHMEM
- ioremap_base = PKMAP_BASE;
-#else
- ioremap_base = 0xfe000000UL; /* for now, could be 0xfffff000 */
-#endif /* CONFIG_HIGHMEM */
- ioremap_bot = ioremap_base;
+ /* Initialize early top-down ioremap allocator */
+ ioremap_bot = IOREMAP_TOP;
/* Map in I/O resources */
if (ppc_md.progress)
diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c
index d0602a76bf7f..579382c163a9 100644
--- a/arch/powerpc/mm/mem.c
+++ b/arch/powerpc/mm/mem.c
@@ -380,6 +380,23 @@ void __init mem_init(void)
bsssize >> 10,
initsize >> 10);
+#ifdef CONFIG_PPC32
+ pr_info("Kernel virtual memory layout:\n");
+ pr_info(" * 0x%08lx..0x%08lx : fixmap\n", FIXADDR_START, FIXADDR_TOP);
+#ifdef CONFIG_HIGHMEM
+ pr_info(" * 0x%08lx..0x%08lx : highmem PTEs\n",
+ PKMAP_BASE, PKMAP_ADDR(LAST_PKMAP));
+#endif /* CONFIG_HIGHMEM */
+#ifdef CONFIG_NOT_COHERENT_CACHE
+ pr_info(" * 0x%08lx..0x%08lx : consistent mem\n",
+ IOREMAP_TOP, IOREMAP_TOP + CONFIG_CONSISTENT_SIZE);
+#endif /* CONFIG_NOT_COHERENT_CACHE */
+ pr_info(" * 0x%08lx..0x%08lx : early ioremap\n",
+ ioremap_bot, IOREMAP_TOP);
+ pr_info(" * 0x%08lx..0x%08lx : vmalloc & ioremap\n",
+ VMALLOC_START, VMALLOC_END);
+#endif /* CONFIG_PPC32 */
+
mem_init_done = 1;
}
diff --git a/arch/powerpc/mm/mmu_context_nohash.c b/arch/powerpc/mm/mmu_context_nohash.c
index a70e311bd457..030d0005b4d2 100644
--- a/arch/powerpc/mm/mmu_context_nohash.c
+++ b/arch/powerpc/mm/mmu_context_nohash.c
@@ -127,12 +127,12 @@ static unsigned int steal_context_up(unsigned int id)
pr_debug("[%d] steal context %d from mm @%p\n", cpu, id, mm);
- /* Mark this mm has having no context anymore */
- mm->context.id = MMU_NO_CONTEXT;
-
/* Flush the TLB for that context */
local_flush_tlb_mm(mm);
+ /* Mark this mm has having no context anymore */
+ mm->context.id = MMU_NO_CONTEXT;
+
/* XXX This clear should ultimately be part of local_flush_tlb_mm */
__clear_bit(id, stale_map[cpu]);
diff --git a/arch/powerpc/mm/pgtable.c b/arch/powerpc/mm/pgtable.c
index f5c6fd42265c..ae1d67cc090c 100644
--- a/arch/powerpc/mm/pgtable.c
+++ b/arch/powerpc/mm/pgtable.c
@@ -219,7 +219,8 @@ int ptep_set_access_flags(struct vm_area_struct *vma, unsigned long address,
entry = do_dcache_icache_coherency(entry);
changed = !pte_same(*(ptep), entry);
if (changed) {
- assert_pte_locked(vma->vm_mm, address);
+ if (!(vma->vm_flags & VM_HUGETLB))
+ assert_pte_locked(vma->vm_mm, address);
__ptep_set_access_flags(ptep, entry);
flush_tlb_page_nohash(vma, address);
}
diff --git a/arch/powerpc/mm/pgtable_32.c b/arch/powerpc/mm/pgtable_32.c
index 430d0908fa50..5422169626ba 100644
--- a/arch/powerpc/mm/pgtable_32.c
+++ b/arch/powerpc/mm/pgtable_32.c
@@ -399,8 +399,6 @@ void kernel_map_pages(struct page *page, int numpages, int enable)
#endif /* CONFIG_DEBUG_PAGEALLOC */
static int fixmaps;
-unsigned long FIXADDR_TOP = (-PAGE_SIZE);
-EXPORT_SYMBOL(FIXADDR_TOP);
void __set_fixmap (enum fixed_addresses idx, phys_addr_t phys, pgprot_t flags)
{
diff --git a/arch/powerpc/platforms/maple/pci.c b/arch/powerpc/platforms/maple/pci.c
index 301855263b81..04296ffff8bf 100644
--- a/arch/powerpc/platforms/maple/pci.c
+++ b/arch/powerpc/platforms/maple/pci.c
@@ -592,3 +592,17 @@ int maple_pci_get_legacy_ide_irq(struct pci_dev *pdev, int channel)
}
return irq;
}
+
+static void __devinit quirk_ipr_msi(struct pci_dev *dev)
+{
+ /* Something prevents MSIs from the IPR from working on Bimini,
+ * and the driver has no smarts to recover. So disable MSI
+ * on it for now. */
+
+ if (machine_is(maple)) {
+ dev->no_msi = 1;
+ dev_info(&dev->dev, "Quirk disabled MSI\n");
+ }
+}
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN,
+ quirk_ipr_msi);
diff --git a/arch/sh/boards/board-ap325rxa.c b/arch/sh/boards/board-ap325rxa.c
index 39e46919df14..f2a29641b6a3 100644
--- a/arch/sh/boards/board-ap325rxa.c
+++ b/arch/sh/boards/board-ap325rxa.c
@@ -263,6 +263,9 @@ static int camera_probe(void)
struct i2c_msg msg;
int ret;
+ if (!a)
+ return -ENODEV;
+
camera_power(1);
msg.addr = 0x6e;
msg.buf = camera_ncm03j_magic;
diff --git a/arch/sh/include/asm/flat.h b/arch/sh/include/asm/flat.h
index d3b2b4f109e3..5d84df5e27f6 100644
--- a/arch/sh/include/asm/flat.h
+++ b/arch/sh/include/asm/flat.h
@@ -12,7 +12,6 @@
#ifndef __ASM_SH_FLAT_H
#define __ASM_SH_FLAT_H
-#define flat_stack_align(sp) /* nothing needed */
#define flat_argvp_envp_on_stack() 0
#define flat_old_ram_flag(flags) (flags)
#define flat_reloc_valid(reloc, size) ((reloc) <= (size))
diff --git a/arch/sparc/include/asm/elf_64.h b/arch/sparc/include/asm/elf_64.h
index 425c2f9be6d5..d42e393078c4 100644
--- a/arch/sparc/include/asm/elf_64.h
+++ b/arch/sparc/include/asm/elf_64.h
@@ -208,8 +208,9 @@ do { unsigned long new_flags = current_thread_info()->flags; \
else \
clear_thread_flag(TIF_ABI_PENDING); \
/* flush_thread will update pgd cache */ \
- if (current->personality != PER_LINUX32) \
- set_personality(PER_LINUX); \
+ if (personality(current->personality) != PER_LINUX32) \
+ set_personality(PER_LINUX | \
+ (current->personality & (~PER_MASK))); \
} while (0)
#endif /* !(__ASM_SPARC64_ELF_H) */
diff --git a/arch/sparc/lib/csum_copy_from_user.S b/arch/sparc/lib/csum_copy_from_user.S
index a22eddbe5dba..e0304e6a2242 100644
--- a/arch/sparc/lib/csum_copy_from_user.S
+++ b/arch/sparc/lib/csum_copy_from_user.S
@@ -5,7 +5,7 @@
#define EX_LD(x) \
98: x; \
- .section .fixup; \
+ .section .fixup, "ax"; \
.align 4; \
99: retl; \
mov -1, %o0; \
diff --git a/arch/sparc/lib/csum_copy_to_user.S b/arch/sparc/lib/csum_copy_to_user.S
index d5b12f441f02..afd01acc587c 100644
--- a/arch/sparc/lib/csum_copy_to_user.S
+++ b/arch/sparc/lib/csum_copy_to_user.S
@@ -5,7 +5,7 @@
#define EX_ST(x) \
98: x; \
- .section .fixup; \
+ .section .fixup,"ax"; \
.align 4; \
99: retl; \
mov -1, %o0; \
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index df9e885eee14..a6efe0a2e9ae 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -498,6 +498,19 @@ config PARAVIRT
over full virtualization. However, when run without a hypervisor
the kernel is theoretically slower and slightly larger.
+config PARAVIRT_SPINLOCKS
+ bool "Paravirtualization layer for spinlocks"
+ depends on PARAVIRT && SMP && EXPERIMENTAL
+ ---help---
+ Paravirtualized spinlocks allow a pvops backend to replace the
+ spinlock implementation with something virtualization-friendly
+ (for example, block the virtual CPU rather than spinning).
+
+ Unfortunately the downside is an up to 5% performance hit on
+ native kernels, with various workloads.
+
+ If you are unsure how to answer this question, answer N.
+
config PARAVIRT_CLOCK
bool
default n
diff --git a/arch/x86/boot/compressed/relocs.c b/arch/x86/boot/compressed/relocs.c
index 857e492c571e..bbeb0c3fbd90 100644
--- a/arch/x86/boot/compressed/relocs.c
+++ b/arch/x86/boot/compressed/relocs.c
@@ -504,8 +504,11 @@ static void walk_relocs(void (*visit)(Elf32_Rel *rel, Elf32_Sym *sym))
if (sym->st_shndx == SHN_ABS) {
continue;
}
- if (r_type == R_386_PC32) {
- /* PC relative relocations don't need to be adjusted */
+ if (r_type == R_386_NONE || r_type == R_386_PC32) {
+ /*
+ * NONE can be ignored and and PC relative
+ * relocations don't need to be adjusted.
+ */
}
else if (r_type == R_386_32) {
/* Visit relocations that need to be adjusted */
diff --git a/arch/x86/boot/memory.c b/arch/x86/boot/memory.c
index 5054c2ddd1a0..74b3d2ba84e9 100644
--- a/arch/x86/boot/memory.c
+++ b/arch/x86/boot/memory.c
@@ -17,11 +17,6 @@
#define SMAP 0x534d4150 /* ASCII "SMAP" */
-struct e820_ext_entry {
- struct e820entry std;
- u32 ext_flags;
-} __attribute__((packed));
-
static int detect_memory_e820(void)
{
int count = 0;
@@ -29,13 +24,21 @@ static int detect_memory_e820(void)
u32 size, id, edi;
u8 err;
struct e820entry *desc = boot_params.e820_map;
- static struct e820_ext_entry buf; /* static so it is zeroed */
+ static struct e820entry buf; /* static so it is zeroed */
/*
- * Set this here so that if the BIOS doesn't change this field
- * but still doesn't change %ecx, we're still okay...
+ * Note: at least one BIOS is known which assumes that the
+ * buffer pointed to by one e820 call is the same one as
+ * the previous call, and only changes modified fields. Therefore,
+ * we use a temporary buffer and copy the results entry by entry.
+ *
+ * This routine deliberately does not try to account for
+ * ACPI 3+ extended attributes. This is because there are
+ * BIOSes in the field which report zero for the valid bit for
+ * all ranges, and we don't currently make any use of the
+ * other attribute bits. Revisit this if we see the extended
+ * attribute bits deployed in a meaningful way in the future.
*/
- buf.ext_flags = 1;
do {
size = sizeof buf;
@@ -66,13 +69,7 @@ static int detect_memory_e820(void)
break;
}
- /* ACPI 3.0 added the extended flags support. If bit 0
- in the extended flags is zero, we're supposed to simply
- ignore the entry -- a backwards incompatible change! */
- if (size > 20 && !(buf.ext_flags & 1))
- continue;
-
- *desc++ = buf.std;
+ *desc++ = buf;
count++;
} while (next && count < ARRAY_SIZE(boot_params.e820_map));
diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h
index 378e3691c08c..a53da004e08e 100644
--- a/arch/x86/include/asm/paravirt.h
+++ b/arch/x86/include/asm/paravirt.h
@@ -1443,7 +1443,7 @@ u64 _paravirt_ident_64(u64);
#define paravirt_nop ((void *)_paravirt_nop)
-#ifdef CONFIG_SMP
+#if defined(CONFIG_SMP) && defined(CONFIG_PARAVIRT_SPINLOCKS)
static inline int __raw_spin_is_locked(struct raw_spinlock *lock)
{
diff --git a/arch/x86/include/asm/percpu.h b/arch/x86/include/asm/percpu.h
index aee103b26d01..02ecb30982a3 100644
--- a/arch/x86/include/asm/percpu.h
+++ b/arch/x86/include/asm/percpu.h
@@ -82,22 +82,22 @@ do { \
case 1: \
asm(op "b %1,"__percpu_arg(0) \
: "+m" (var) \
- : "ri" ((T__)val)); \
+ : "qi" ((T__)(val))); \
break; \
case 2: \
asm(op "w %1,"__percpu_arg(0) \
: "+m" (var) \
- : "ri" ((T__)val)); \
+ : "ri" ((T__)(val))); \
break; \
case 4: \
asm(op "l %1,"__percpu_arg(0) \
: "+m" (var) \
- : "ri" ((T__)val)); \
+ : "ri" ((T__)(val))); \
break; \
case 8: \
asm(op "q %1,"__percpu_arg(0) \
: "+m" (var) \
- : "re" ((T__)val)); \
+ : "re" ((T__)(val))); \
break; \
default: __bad_percpu_size(); \
} \
@@ -109,7 +109,7 @@ do { \
switch (sizeof(var)) { \
case 1: \
asm(op "b "__percpu_arg(1)",%0" \
- : "=r" (ret__) \
+ : "=q" (ret__) \
: "m" (var)); \
break; \
case 2: \
diff --git a/arch/x86/include/asm/ptrace.h b/arch/x86/include/asm/ptrace.h
index e304b66abeea..624f133943ed 100644
--- a/arch/x86/include/asm/ptrace.h
+++ b/arch/x86/include/asm/ptrace.h
@@ -187,14 +187,15 @@ static inline int v8086_mode(struct pt_regs *regs)
/*
* X86_32 CPUs don't save ss and esp if the CPU is already in kernel mode
- * when it traps. So regs will be the current sp.
+ * when it traps. The previous stack will be directly underneath the saved
+ * registers, and 'sp/ss' won't even have been saved. Thus the '&regs->sp'.
*
* This is valid only for kernel mode traps.
*/
-static inline unsigned long kernel_trap_sp(struct pt_regs *regs)
+static inline unsigned long kernel_stack_pointer(struct pt_regs *regs)
{
#ifdef CONFIG_X86_32
- return (unsigned long)regs;
+ return (unsigned long)(&regs->sp);
#else
return regs->sp;
#endif
diff --git a/arch/x86/include/asm/spinlock.h b/arch/x86/include/asm/spinlock.h
index e5e6caffec87..b7e5db876399 100644
--- a/arch/x86/include/asm/spinlock.h
+++ b/arch/x86/include/asm/spinlock.h
@@ -172,7 +172,7 @@ static inline int __ticket_spin_is_contended(raw_spinlock_t *lock)
return (((tmp >> TICKET_SHIFT) - tmp) & ((1 << TICKET_SHIFT) - 1)) > 1;
}
-#ifndef CONFIG_PARAVIRT
+#ifndef CONFIG_PARAVIRT_SPINLOCKS
static inline int __raw_spin_is_locked(raw_spinlock_t *lock)
{
@@ -206,7 +206,7 @@ static __always_inline void __raw_spin_lock_flags(raw_spinlock_t *lock,
__raw_spin_lock(lock);
}
-#endif
+#endif /* CONFIG_PARAVIRT_SPINLOCKS */
static inline void __raw_spin_unlock_wait(raw_spinlock_t *lock)
{
diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile
index 145cce75cda7..88d1bfc847d3 100644
--- a/arch/x86/kernel/Makefile
+++ b/arch/x86/kernel/Makefile
@@ -89,7 +89,8 @@ obj-$(CONFIG_DEBUG_NX_TEST) += test_nx.o
obj-$(CONFIG_VMI) += vmi_32.o vmiclock_32.o
obj-$(CONFIG_KVM_GUEST) += kvm.o
obj-$(CONFIG_KVM_CLOCK) += kvmclock.o
-obj-$(CONFIG_PARAVIRT) += paravirt.o paravirt_patch_$(BITS).o paravirt-spinlocks.o
+obj-$(CONFIG_PARAVIRT) += paravirt.o paravirt_patch_$(BITS).o
+obj-$(CONFIG_PARAVIRT_SPINLOCKS)+= paravirt-spinlocks.o
obj-$(CONFIG_PARAVIRT_CLOCK) += pvclock.o
obj-$(CONFIG_PCSPKR_PLATFORM) += pcspeaker.o
diff --git a/arch/x86/kernel/apic/es7000_32.c b/arch/x86/kernel/apic/es7000_32.c
index 1c11b819f245..302947775575 100644
--- a/arch/x86/kernel/apic/es7000_32.c
+++ b/arch/x86/kernel/apic/es7000_32.c
@@ -254,7 +254,7 @@ static int parse_unisys_oem(char *oemptr)
}
#ifdef CONFIG_ACPI
-static int find_unisys_acpi_oem_table(unsigned long *oem_addr)
+static int __init find_unisys_acpi_oem_table(unsigned long *oem_addr)
{
struct acpi_table_header *header = NULL;
struct es7000_oem_table *table;
@@ -285,7 +285,7 @@ static int find_unisys_acpi_oem_table(unsigned long *oem_addr)
return 0;
}
-static void unmap_unisys_acpi_oem_table(unsigned long oem_addr)
+static void __init unmap_unisys_acpi_oem_table(unsigned long oem_addr)
{
if (!oem_addr)
return;
@@ -306,7 +306,7 @@ static int es7000_check_dsdt(void)
static int es7000_acpi_ret;
/* Hook from generic ACPI tables.c */
-static int es7000_acpi_madt_oem_check(char *oem_id, char *oem_table_id)
+static int __init es7000_acpi_madt_oem_check(char *oem_id, char *oem_table_id)
{
unsigned long oem_addr = 0;
int check_dsdt;
@@ -717,7 +717,7 @@ struct apic apic_es7000_cluster = {
.safe_wait_icr_idle = native_safe_apic_wait_icr_idle,
};
-struct apic apic_es7000 = {
+struct apic __refdata apic_es7000 = {
.name = "es7000",
.probe = probe_es7000,
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index c1caefc82e62..77848d9fca68 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -114,6 +114,13 @@ DEFINE_PER_CPU_PAGE_ALIGNED(struct gdt_page, gdt_page) = { .gdt = {
} };
EXPORT_PER_CPU_SYMBOL_GPL(gdt_page);
+static int __init x86_xsave_setup(char *s)
+{
+ setup_clear_cpu_cap(X86_FEATURE_XSAVE);
+ return 1;
+}
+__setup("noxsave", x86_xsave_setup);
+
#ifdef CONFIG_X86_32
static int cachesize_override __cpuinitdata = -1;
static int disable_x86_serial_nr __cpuinitdata = 1;
diff --git a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c b/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
index 208ecf6643df..54b6de2cd947 100644
--- a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
+++ b/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
@@ -693,8 +693,8 @@ static int acpi_cpufreq_cpu_init(struct cpufreq_policy *policy)
if (perf->control_register.space_id == ACPI_ADR_SPACE_FIXED_HARDWARE &&
policy->cpuinfo.transition_latency > 20 * 1000) {
policy->cpuinfo.transition_latency = 20 * 1000;
- printk_once(KERN_INFO "Capping off P-state tranision"
- " latency at 20 uS\n");
+ printk_once(KERN_INFO
+ "P-state transition latency capped at 20 uS\n");
}
/* table init */
diff --git a/arch/x86/kernel/cpu/cpufreq/p4-clockmod.c b/arch/x86/kernel/cpu/cpufreq/p4-clockmod.c
index 6ac55bd341ae..869615193720 100644
--- a/arch/x86/kernel/cpu/cpufreq/p4-clockmod.c
+++ b/arch/x86/kernel/cpu/cpufreq/p4-clockmod.c
@@ -168,6 +168,7 @@ static unsigned int cpufreq_p4_get_frequency(struct cpuinfo_x86 *c)
case 0x0E: /* Core */
case 0x0F: /* Core Duo */
case 0x16: /* Celeron Core */
+ case 0x1C: /* Atom */
p4clockmod_driver.flags |= CPUFREQ_CONST_LOOPS;
return speedstep_get_frequency(SPEEDSTEP_CPU_PCORE);
case 0x0D: /* Pentium M (Dothan) */
diff --git a/arch/x86/kernel/cpu/cpufreq/powernow-k7.c b/arch/x86/kernel/cpu/cpufreq/powernow-k7.c
index 3c28ccd49742..a8363e5be4ef 100644
--- a/arch/x86/kernel/cpu/cpufreq/powernow-k7.c
+++ b/arch/x86/kernel/cpu/cpufreq/powernow-k7.c
@@ -168,10 +168,12 @@ static int check_powernow(void)
return 1;
}
+#ifdef CONFIG_X86_POWERNOW_K7_ACPI
static void invalidate_entry(unsigned int entry)
{
powernow_table[entry].frequency = CPUFREQ_ENTRY_INVALID;
}
+#endif
static int get_ranges(unsigned char *pst)
{
diff --git a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
index 4709ead2db52..f6b32d112357 100644
--- a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
+++ b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
@@ -649,6 +649,20 @@ static void print_basics(struct powernow_k8_data *data)
data->batps);
}
+static u32 freq_from_fid_did(u32 fid, u32 did)
+{
+ u32 mhz = 0;
+
+ if (boot_cpu_data.x86 == 0x10)
+ mhz = (100 * (fid + 0x10)) >> did;
+ else if (boot_cpu_data.x86 == 0x11)
+ mhz = (100 * (fid + 8)) >> did;
+ else
+ BUG();
+
+ return mhz * 1000;
+}
+
static int fill_powernow_table(struct powernow_k8_data *data,
struct pst_s *pst, u8 maxvid)
{
@@ -923,8 +937,13 @@ static int fill_powernow_table_pstate(struct powernow_k8_data *data,
powernow_table[i].index = index;
- powernow_table[i].frequency =
- data->acpi_data.states[i].core_frequency * 1000;
+ /* Frequency may be rounded for these */
+ if (boot_cpu_data.x86 == 0x10 || boot_cpu_data.x86 == 0x11) {
+ powernow_table[i].frequency =
+ freq_from_fid_did(lo & 0x3f, (lo >> 6) & 7);
+ } else
+ powernow_table[i].frequency =
+ data->acpi_data.states[i].core_frequency * 1000;
}
return 0;
}
@@ -1215,13 +1234,16 @@ static int powernowk8_verify(struct cpufreq_policy *pol)
return cpufreq_frequency_table_verify(pol, data->powernow_table);
}
+static const char ACPI_PSS_BIOS_BUG_MSG[] =
+ KERN_ERR FW_BUG PFX "No compatible ACPI _PSS objects found.\n"
+ KERN_ERR FW_BUG PFX "Try again with latest BIOS.\n";
+
/* per CPU init entry point to the driver */
static int __cpuinit powernowk8_cpu_init(struct cpufreq_policy *pol)
{
struct powernow_k8_data *data;
cpumask_t oldmask;
int rc;
- static int print_once;
if (!cpu_online(pol->cpu))
return -ENODEV;
@@ -1244,19 +1266,7 @@ static int __cpuinit powernowk8_cpu_init(struct cpufreq_policy *pol)
* an UP version, and is deprecated by AMD.
*/
if (num_online_cpus() != 1) {
- /*
- * Replace this one with print_once as soon as such a
- * thing gets introduced
- */
- if (!print_once) {
- WARN_ONCE(1, KERN_ERR FW_BUG PFX "Your BIOS "
- "does not provide ACPI _PSS objects "
- "in a way that Linux understands. "
- "Please report this to the Linux ACPI"
- " maintainers and complain to your "
- "BIOS vendor.\n");
- print_once++;
- }
+ printk_once(ACPI_PSS_BIOS_BUG_MSG);
goto err_out;
}
if (pol->cpu != 0) {
diff --git a/arch/x86/kernel/cpu/mtrr/generic.c b/arch/x86/kernel/cpu/mtrr/generic.c
index 0b776c09aff3..d21d4fb161f7 100644
--- a/arch/x86/kernel/cpu/mtrr/generic.c
+++ b/arch/x86/kernel/cpu/mtrr/generic.c
@@ -275,7 +275,11 @@ static void __init print_mtrr_state(void)
}
printk(KERN_DEBUG "MTRR variable ranges %sabled:\n",
mtrr_state.enabled & 2 ? "en" : "dis");
- high_width = ((size_or_mask ? ffs(size_or_mask) - 1 : 32) - (32 - PAGE_SHIFT) + 3) / 4;
+ if (size_or_mask & 0xffffffffUL)
+ high_width = ffs(size_or_mask & 0xffffffffUL) - 1;
+ else
+ high_width = ffs(size_or_mask>>32) + 32 - 1;
+ high_width = (high_width - (32 - PAGE_SHIFT) + 3) / 4;
for (i = 0; i < num_var_ranges; ++i) {
if (mtrr_state.var_ranges[i].mask_lo & (1 << 11))
printk(KERN_DEBUG " %u base %0*X%05X000 mask %0*X%05X000 %s\n",
diff --git a/arch/x86/kernel/ftrace.c b/arch/x86/kernel/ftrace.c
index 18dfa30795c9..b79c5533c421 100644
--- a/arch/x86/kernel/ftrace.c
+++ b/arch/x86/kernel/ftrace.c
@@ -442,7 +442,7 @@ void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr)
_ASM_EXTABLE(1b, 4b)
_ASM_EXTABLE(2b, 4b)
- : [old] "=r" (old), [faulted] "=r" (faulted)
+ : [old] "=&r" (old), [faulted] "=r" (faulted)
: [parent] "r" (parent), [return_hooker] "r" (return_hooker)
: "memory"
);
diff --git a/arch/x86/kernel/paravirt.c b/arch/x86/kernel/paravirt.c
index 8e45f4464880..9faf43bea336 100644
--- a/arch/x86/kernel/paravirt.c
+++ b/arch/x86/kernel/paravirt.c
@@ -134,7 +134,9 @@ static void *get_call_destination(u8 type)
.pv_irq_ops = pv_irq_ops,
.pv_apic_ops = pv_apic_ops,
.pv_mmu_ops = pv_mmu_ops,
+#ifdef CONFIG_PARAVIRT_SPINLOCKS
.pv_lock_ops = pv_lock_ops,
+#endif
};
return *((void **)&tmpl + type);
}
diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c
index 1340dad417f4..667188e0b5a0 100644
--- a/arch/x86/kernel/reboot.c
+++ b/arch/x86/kernel/reboot.c
@@ -232,6 +232,14 @@ static struct dmi_system_id __initdata reboot_dmi_table[] = {
DMI_MATCH(DMI_PRODUCT_NAME, "Dell DXP061"),
},
},
+ { /* Handle problems with rebooting on Sony VGN-Z540N */
+ .callback = set_bios_reboot,
+ .ident = "Sony VGN-Z540N",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "VGN-Z540N"),
+ },
+ },
{ }
};
diff --git a/arch/x86/kernel/setup_percpu.c b/arch/x86/kernel/setup_percpu.c
index 3a97a4cf1872..8f0e13be36b3 100644
--- a/arch/x86/kernel/setup_percpu.c
+++ b/arch/x86/kernel/setup_percpu.c
@@ -160,8 +160,10 @@ static ssize_t __init setup_pcpu_remap(size_t static_size)
/*
* If large page isn't supported, there's no benefit in doing
* this. Also, on non-NUMA, embedding is better.
+ *
+ * NOTE: disabled for now.
*/
- if (!cpu_has_pse || !pcpu_need_numa())
+ if (true || !cpu_has_pse || !pcpu_need_numa())
return -EINVAL;
/*
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index b6caf1329b1b..32cf11e5728a 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -2897,8 +2897,7 @@ static int kvm_pv_mmu_write(struct kvm_vcpu *vcpu,
static int kvm_pv_mmu_flush_tlb(struct kvm_vcpu *vcpu)
{
- kvm_x86_ops->tlb_flush(vcpu);
- set_bit(KVM_REQ_MMU_SYNC, &vcpu->requests);
+ kvm_set_cr3(vcpu, vcpu->arch.cr3);
return 1;
}
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 49079a46687b..3944e917e794 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -338,6 +338,9 @@ EXPORT_SYMBOL_GPL(kvm_lmsw);
void kvm_set_cr4(struct kvm_vcpu *vcpu, unsigned long cr4)
{
+ unsigned long old_cr4 = vcpu->arch.cr4;
+ unsigned long pdptr_bits = X86_CR4_PGE | X86_CR4_PSE | X86_CR4_PAE;
+
if (cr4 & CR4_RESERVED_BITS) {
printk(KERN_DEBUG "set_cr4: #GP, reserved bits\n");
kvm_inject_gp(vcpu, 0);
@@ -351,7 +354,8 @@ void kvm_set_cr4(struct kvm_vcpu *vcpu, unsigned long cr4)
kvm_inject_gp(vcpu, 0);
return;
}
- } else if (is_paging(vcpu) && !is_pae(vcpu) && (cr4 & X86_CR4_PAE)
+ } else if (is_paging(vcpu) && (cr4 & X86_CR4_PAE)
+ && ((cr4 ^ old_cr4) & pdptr_bits)
&& !load_pdptrs(vcpu, vcpu->arch.cr3)) {
printk(KERN_DEBUG "set_cr4: #GP, pdptrs reserved bits\n");
kvm_inject_gp(vcpu, 0);
diff --git a/arch/x86/mm/hugetlbpage.c b/arch/x86/mm/hugetlbpage.c
index 8f307d914c2e..f46c340727b8 100644
--- a/arch/x86/mm/hugetlbpage.c
+++ b/arch/x86/mm/hugetlbpage.c
@@ -26,12 +26,16 @@ static unsigned long page_table_shareable(struct vm_area_struct *svma,
unsigned long sbase = saddr & PUD_MASK;
unsigned long s_end = sbase + PUD_SIZE;
+ /* Allow segments to share if only one is marked locked */
+ unsigned long vm_flags = vma->vm_flags & ~VM_LOCKED;
+ unsigned long svm_flags = svma->vm_flags & ~VM_LOCKED;
+
/*
* match the virtual addresses, permission and the alignment of the
* page table page.
*/
if (pmd_index(addr) != pmd_index(saddr) ||
- vma->vm_flags != svma->vm_flags ||
+ vm_flags != svm_flags ||
sbase < svma->vm_start || svma->vm_end < s_end)
return 0;
diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c
index 797f9f107cb6..e17efed088c5 100644
--- a/arch/x86/mm/pageattr.c
+++ b/arch/x86/mm/pageattr.c
@@ -153,7 +153,7 @@ static void __cpa_flush_all(void *arg)
*/
__flush_tlb_all();
- if (cache && boot_cpu_data.x86_model >= 4)
+ if (cache && boot_cpu_data.x86 >= 4)
wbinvd();
}
@@ -208,20 +208,15 @@ static void cpa_flush_array(unsigned long *start, int numpages, int cache,
int in_flags, struct page **pages)
{
unsigned int i, level;
+ unsigned long do_wbinvd = cache && numpages >= 1024; /* 4M threshold */
BUG_ON(irqs_disabled());
- on_each_cpu(__cpa_flush_range, NULL, 1);
+ on_each_cpu(__cpa_flush_all, (void *) do_wbinvd, 1);
- if (!cache)
+ if (!cache || do_wbinvd)
return;
- /* 4M threshold */
- if (numpages >= 1024) {
- if (boot_cpu_data.x86_model >= 4)
- wbinvd();
- return;
- }
/*
* We only need to flush on one CPU,
* clflush is a MESI-coherent instruction that
diff --git a/arch/x86/oprofile/backtrace.c b/arch/x86/oprofile/backtrace.c
index 04df67f8a7ba..044897be021f 100644
--- a/arch/x86/oprofile/backtrace.c
+++ b/arch/x86/oprofile/backtrace.c
@@ -76,9 +76,9 @@ void
x86_backtrace(struct pt_regs * const regs, unsigned int depth)
{
struct frame_head *head = (struct frame_head *)frame_pointer(regs);
- unsigned long stack = kernel_trap_sp(regs);
if (!user_mode_vm(regs)) {
+ unsigned long stack = kernel_stack_pointer(regs);
if (depth)
dump_trace(NULL, regs, (unsigned long *)stack, 0,
&backtrace_ops, &depth);
diff --git a/arch/x86/xen/Makefile b/arch/x86/xen/Makefile
index 3b767d03fd6a..172438f86a02 100644
--- a/arch/x86/xen/Makefile
+++ b/arch/x86/xen/Makefile
@@ -9,5 +9,6 @@ obj-y := enlighten.o setup.o multicalls.o mmu.o irq.o \
time.o xen-asm.o xen-asm_$(BITS).o \
grant-table.o suspend.o
-obj-$(CONFIG_SMP) += smp.o spinlock.o
-obj-$(CONFIG_XEN_DEBUG_FS) += debugfs.o \ No newline at end of file
+obj-$(CONFIG_SMP) += smp.o
+obj-$(CONFIG_PARAVIRT_SPINLOCKS)+= spinlock.o
+obj-$(CONFIG_XEN_DEBUG_FS) += debugfs.o
diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c
index e25a78e1113a..fba55b1a4021 100644
--- a/arch/x86/xen/mmu.c
+++ b/arch/x86/xen/mmu.c
@@ -42,6 +42,7 @@
#include <linux/highmem.h>
#include <linux/debugfs.h>
#include <linux/bug.h>
+#include <linux/module.h>
#include <asm/pgtable.h>
#include <asm/tlbflush.h>
diff --git a/arch/x86/xen/xen-ops.h b/arch/x86/xen/xen-ops.h
index 20139464943c..ca6596b05d53 100644
--- a/arch/x86/xen/xen-ops.h
+++ b/arch/x86/xen/xen-ops.h
@@ -62,15 +62,26 @@ void xen_setup_vcpu_info_placement(void);
#ifdef CONFIG_SMP
void xen_smp_init(void);
-void __init xen_init_spinlocks(void);
-__cpuinit void xen_init_lock_cpu(int cpu);
-void xen_uninit_lock_cpu(int cpu);
-
extern cpumask_var_t xen_cpu_initialized_map;
#else
static inline void xen_smp_init(void) {}
#endif
+#ifdef CONFIG_PARAVIRT_SPINLOCKS
+void __init xen_init_spinlocks(void);
+__cpuinit void xen_init_lock_cpu(int cpu);
+void xen_uninit_lock_cpu(int cpu);
+#else
+static inline void xen_init_spinlocks(void)
+{
+}
+static inline void xen_init_lock_cpu(int cpu)
+{
+}
+static inline void xen_uninit_lock_cpu(int cpu)
+{
+}
+#endif
/* Declare an asm function, along with symbols needed to make it
inlineable */
diff --git a/crypto/ahash.c b/crypto/ahash.c
index b2d1ee32cfe8..f3476374f764 100644
--- a/crypto/ahash.c
+++ b/crypto/ahash.c
@@ -82,10 +82,11 @@ int crypto_hash_walk_done(struct crypto_hash_walk *walk, int err)
if (err)
return err;
- walk->offset = 0;
-
- if (nbytes)
+ if (nbytes) {
+ walk->offset = 0;
+ walk->pg++;
return hash_walk_next(walk);
+ }
if (!walk->total)
return 0;
diff --git a/crypto/api.c b/crypto/api.c
index 314dab96840e..fd2545decb28 100644
--- a/crypto/api.c
+++ b/crypto/api.c
@@ -221,7 +221,8 @@ struct crypto_alg *crypto_larval_lookup(const char *name, u32 type, u32 mask)
request_module(name);
- if (!((type ^ CRYPTO_ALG_NEED_FALLBACK) & mask) &&
+ if (!((type ^ CRYPTO_ALG_NEED_FALLBACK) & mask &
+ CRYPTO_ALG_NEED_FALLBACK) &&
snprintf(tmp, sizeof(tmp), "%s-all", name) < sizeof(tmp))
request_module(tmp);
diff --git a/crypto/eseqiv.c b/crypto/eseqiv.c
index 2a342c8e52b3..3ca3b669d5d5 100644
--- a/crypto/eseqiv.c
+++ b/crypto/eseqiv.c
@@ -153,7 +153,8 @@ static int eseqiv_givencrypt(struct skcipher_givcrypt_request *req)
if (err)
goto out;
- eseqiv_complete2(req);
+ if (giv != req->giv)
+ eseqiv_complete2(req);
out:
return err;
diff --git a/drivers/acpi/pci_bind.c b/drivers/acpi/pci_bind.c
index 95650f83ce2e..bc46de3d967f 100644
--- a/drivers/acpi/pci_bind.c
+++ b/drivers/acpi/pci_bind.c
@@ -116,9 +116,6 @@ int acpi_pci_bind(struct acpi_device *device)
struct acpi_pci_data *pdata;
struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
acpi_handle handle;
- struct pci_dev *dev;
- struct pci_bus *bus;
-
if (!device || !device->parent)
return -EINVAL;
@@ -176,20 +173,9 @@ int acpi_pci_bind(struct acpi_device *device)
* Locate matching device in PCI namespace. If it doesn't exist
* this typically means that the device isn't currently inserted
* (e.g. docking station, port replicator, etc.).
- * We cannot simply search the global pci device list, since
- * PCI devices are added to the global pci list when the root
- * bridge start ops are run, which may not have happened yet.
*/
- bus = pci_find_bus(data->id.segment, data->id.bus);
- if (bus) {
- list_for_each_entry(dev, &bus->devices, bus_list) {
- if (dev->devfn == PCI_DEVFN(data->id.device,
- data->id.function)) {
- data->dev = dev;
- break;
- }
- }
- }
+ data->dev = pci_get_slot(pdata->bus,
+ PCI_DEVFN(data->id.device, data->id.function));
if (!data->dev) {
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"Device %04x:%02x:%02x.%d not present in PCI namespace\n",
@@ -259,9 +245,10 @@ int acpi_pci_bind(struct acpi_device *device)
end:
kfree(buffer.pointer);
- if (result)
+ if (result) {
+ pci_dev_put(data->dev);
kfree(data);
-
+ }
return result;
}
@@ -303,6 +290,7 @@ static int acpi_pci_unbind(struct acpi_device *device)
if (data->dev->subordinate) {
acpi_pci_irq_del_prt(data->id.segment, data->bus->number);
}
+ pci_dev_put(data->dev);
kfree(data);
end:
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index 72069ba5f1ed..10a2d913635a 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -148,6 +148,9 @@ static void acpi_timer_check_state(int state, struct acpi_processor *pr,
if (cpu_has(&cpu_data(pr->id), X86_FEATURE_ARAT))
return;
+ if (boot_cpu_has(X86_FEATURE_AMDC1E))
+ type = ACPI_STATE_C1;
+
/*
* Check, if one of the previous states already marked the lapic
* unstable
@@ -611,6 +614,7 @@ static int acpi_processor_power_verify(struct acpi_processor *pr)
switch (cx->type) {
case ACPI_STATE_C1:
cx->valid = 1;
+ acpi_timer_check_state(i, pr, cx);
break;
case ACPI_STATE_C2:
@@ -830,11 +834,12 @@ static int acpi_idle_enter_c1(struct cpuidle_device *dev,
/* Do not access any ACPI IO ports in suspend path */
if (acpi_idle_suspend) {
- acpi_safe_halt();
local_irq_enable();
+ cpu_relax();
return 0;
}
+ acpi_state_timer_broadcast(pr, cx, 1);
kt1 = ktime_get_real();
acpi_idle_do_entry(cx);
kt2 = ktime_get_real();
@@ -842,6 +847,7 @@ static int acpi_idle_enter_c1(struct cpuidle_device *dev,
local_irq_enable();
cx->usage++;
+ acpi_state_timer_broadcast(pr, cx, 0);
return idle_time;
}
diff --git a/drivers/acpi/processor_perflib.c b/drivers/acpi/processor_perflib.c
index cafb41000f6b..60e543d3234e 100644
--- a/drivers/acpi/processor_perflib.c
+++ b/drivers/acpi/processor_perflib.c
@@ -309,9 +309,15 @@ static int acpi_processor_get_performance_states(struct acpi_processor *pr)
(u32) px->bus_master_latency,
(u32) px->control, (u32) px->status));
- if (!px->core_frequency) {
- printk(KERN_ERR PREFIX
- "Invalid _PSS data: freq is zero\n");
+ /*
+ * Check that ACPI's u64 MHz will be valid as u32 KHz in cpufreq
+ */
+ if (!px->core_frequency ||
+ ((u32)(px->core_frequency * 1000) !=
+ (px->core_frequency * 1000))) {
+ printk(KERN_ERR FW_BUG PREFIX
+ "Invalid BIOS _PSS frequency: 0x%llx MHz\n",
+ px->core_frequency);
result = -EFAULT;
kfree(pr->performance->states);
goto end;
diff --git a/drivers/acpi/processor_throttling.c b/drivers/acpi/processor_throttling.c
index 7f16f5f8e7d3..227543789ba9 100644
--- a/drivers/acpi/processor_throttling.c
+++ b/drivers/acpi/processor_throttling.c
@@ -840,7 +840,7 @@ static int acpi_processor_get_throttling_ptc(struct acpi_processor *pr)
state = acpi_get_throttling_state(pr, value);
if (state == -1) {
ACPI_WARNING((AE_INFO,
- "Invalid throttling state, reset\n"));
+ "Invalid throttling state, reset"));
state = 0;
ret = acpi_processor_set_throttling(pr, state);
if (ret)
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index 810cca90ca7f..1bdfb37377e3 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -570,6 +570,22 @@ static struct dmi_system_id video_dmi_table[] __initdata = {
DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5710Z"),
},
},
+ {
+ .callback = video_set_bqc_offset,
+ .ident = "eMachines E510",
+ .matches = {
+ DMI_MATCH(DMI_BOARD_VENDOR, "EMACHINES"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "eMachines E510"),
+ },
+ },
+ {
+ .callback = video_set_bqc_offset,
+ .ident = "Acer Aspire 5315",
+ .matches = {
+ DMI_MATCH(DMI_BOARD_VENDOR, "Acer"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5315"),
+ },
+ },
{}
};
@@ -2334,7 +2350,7 @@ static int __init acpi_video_init(void)
return acpi_video_register();
}
-void __exit acpi_video_exit(void)
+void acpi_video_exit(void)
{
acpi_bus_unregister_driver(&acpi_video_bus);
diff --git a/drivers/base/bus.c b/drivers/base/bus.c
index dc030f1f00f1..c6599618523e 100644
--- a/drivers/base/bus.c
+++ b/drivers/base/bus.c
@@ -700,8 +700,10 @@ int bus_add_driver(struct device_driver *drv)
}
kobject_uevent(&priv->kobj, KOBJ_ADD);
- return error;
+ return 0;
out_unregister:
+ kfree(drv->p);
+ drv->p = NULL;
kobject_put(&priv->kobj);
out_put_bus:
bus_put(bus);
diff --git a/drivers/base/core.c b/drivers/base/core.c
index 4aa527b8a913..1977d4beb89e 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -879,7 +879,7 @@ int device_add(struct device *dev)
}
if (!dev_name(dev))
- goto done;
+ goto name_error;
pr_debug("device: '%s': %s\n", dev_name(dev), __func__);
@@ -978,6 +978,9 @@ done:
cleanup_device_parent(dev);
if (parent)
put_device(parent);
+name_error:
+ kfree(dev->p);
+ dev->p = NULL;
goto done;
}
diff --git a/drivers/base/driver.c b/drivers/base/driver.c
index c51f11bb29ae..8ae0f63602e0 100644
--- a/drivers/base/driver.c
+++ b/drivers/base/driver.c
@@ -257,6 +257,10 @@ EXPORT_SYMBOL_GPL(driver_register);
*/
void driver_unregister(struct device_driver *drv)
{
+ if (!drv || !drv->p) {
+ WARN(1, "Unexpected driver unregister!\n");
+ return;
+ }
driver_remove_groups(drv, drv->groups);
bus_remove_driver(drv);
}
diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c
index 69b4ddb7de3b..3e4bc699bc0f 100644
--- a/drivers/base/power/main.c
+++ b/drivers/base/power/main.c
@@ -357,6 +357,7 @@ static void dpm_power_up(pm_message_t state)
{
struct device *dev;
+ mutex_lock(&dpm_list_mtx);
list_for_each_entry(dev, &dpm_list, power.entry)
if (dev->power.status > DPM_OFF) {
int error;
@@ -366,6 +367,7 @@ static void dpm_power_up(pm_message_t state)
if (error)
pm_dev_err(dev, state, " early", error);
}
+ mutex_unlock(&dpm_list_mtx);
}
/**
@@ -614,6 +616,7 @@ int device_power_down(pm_message_t state)
int error = 0;
suspend_device_irqs();
+ mutex_lock(&dpm_list_mtx);
list_for_each_entry_reverse(dev, &dpm_list, power.entry) {
error = suspend_device_noirq(dev, state);
if (error) {
@@ -622,6 +625,7 @@ int device_power_down(pm_message_t state)
}
dev->power.status = DPM_OFF_IRQ;
}
+ mutex_unlock(&dpm_list_mtx);
if (error)
device_power_up(resume_event(state));
return error;
diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c
index 8f905089b72b..a6cbf7b808e6 100644
--- a/drivers/block/xen-blkfront.c
+++ b/drivers/block/xen-blkfront.c
@@ -934,8 +934,6 @@ static void blkfront_closing(struct xenbus_device *dev)
spin_lock_irqsave(&blkif_io_lock, flags);
- del_gendisk(info->gd);
-
/* No more blkif_request(). */
blk_stop_queue(info->rq);
@@ -949,6 +947,8 @@ static void blkfront_closing(struct xenbus_device *dev)
blk_cleanup_queue(info->rq);
info->rq = NULL;
+ del_gendisk(info->gd);
+
out:
xenbus_frontend_closed(dev);
}
@@ -977,8 +977,10 @@ static void backend_changed(struct xenbus_device *dev,
break;
case XenbusStateClosing:
- if (info->gd == NULL)
- xenbus_dev_fatal(dev, -ENODEV, "gd is NULL");
+ if (info->gd == NULL) {
+ xenbus_frontend_closed(dev);
+ break;
+ }
bd = bdget_disk(info->gd, 0);
if (bd == NULL)
xenbus_dev_fatal(dev, -ENODEV, "bdget failed");
diff --git a/drivers/cdrom/viocd.c b/drivers/cdrom/viocd.c
index 13929356135c..9b1624e0ddeb 100644
--- a/drivers/cdrom/viocd.c
+++ b/drivers/cdrom/viocd.c
@@ -587,7 +587,7 @@ static int viocd_probe(struct vio_dev *vdev, const struct vio_device_id *id)
struct device_node *node = vdev->dev.archdata.of_node;
deviceno = vdev->unit_address;
- if (deviceno > VIOCD_MAX_CD)
+ if (deviceno >= VIOCD_MAX_CD)
return -ENODEV;
if (!node)
return -ENODEV;
diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c
index aa83a0865ec1..09050797c76a 100644
--- a/drivers/char/ipmi/ipmi_msghandler.c
+++ b/drivers/char/ipmi/ipmi_msghandler.c
@@ -2856,6 +2856,7 @@ int ipmi_register_smi(struct ipmi_smi_handlers *handlers,
/* Assume a single IPMB channel at zero. */
intf->channels[0].medium = IPMI_CHANNEL_MEDIUM_IPMB;
intf->channels[0].protocol = IPMI_CHANNEL_PROTOCOL_IPMB;
+ intf->curr_channel = IPMI_MAX_CHANNELS;
}
if (rv == 0)
@@ -3648,13 +3649,13 @@ static int handle_new_recv_msg(ipmi_smi_t intf,
}
/*
- ** We need to make sure the channels have been initialized.
- ** The channel_handler routine will set the "curr_channel"
- ** equal to or greater than IPMI_MAX_CHANNELS when all the
- ** channels for this interface have been initialized.
- */
+ * We need to make sure the channels have been initialized.
+ * The channel_handler routine will set the "curr_channel"
+ * equal to or greater than IPMI_MAX_CHANNELS when all the
+ * channels for this interface have been initialized.
+ */
if (intf->curr_channel < IPMI_MAX_CHANNELS) {
- requeue = 1; /* Just put the message back for now */
+ requeue = 0; /* Throw the message away */
goto out;
}
diff --git a/drivers/char/random.c b/drivers/char/random.c
index b2ced39d76b2..8c7444857a4b 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -1673,7 +1673,7 @@ unsigned int get_random_int(void)
int ret;
keyptr = get_keyptr();
- hash[0] += current->pid + jiffies + get_cycles() + (int)(long)&ret;
+ hash[0] += current->pid + jiffies + get_cycles();
ret = half_md4_transform(hash, keyptr->secret);
put_cpu_var(get_random_int_hash);
diff --git a/drivers/char/tpm/tpm_bios.c b/drivers/char/tpm/tpm_bios.c
index ed306eb1057f..0c2f55a38b95 100644
--- a/drivers/char/tpm/tpm_bios.c
+++ b/drivers/char/tpm/tpm_bios.c
@@ -212,7 +212,8 @@ static int get_event_name(char *dest, struct tcpa_event *event,
unsigned char * event_entry)
{
const char *name = "";
- char data[40] = "";
+ /* 41 so there is room for 40 data and 1 nul */
+ char data[41] = "";
int i, n_len = 0, d_len = 0;
struct tcpa_pc_event *pc_event;
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index d270e8eb3e67..47d2ad0ae079 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -1070,11 +1070,11 @@ static int __cpufreq_remove_dev(struct sys_device *sys_dev)
spin_unlock_irqrestore(&cpufreq_driver_lock, flags);
#endif
+ unlock_policy_rwsem_write(cpu);
+
if (cpufreq_driver->target)
__cpufreq_governor(data, CPUFREQ_GOV_STOP);
- unlock_policy_rwsem_write(cpu);
-
kobject_put(&data->kobj);
/* we need to make sure that the underlying kobj is actually
diff --git a/drivers/cpufreq/cpufreq_conservative.c b/drivers/cpufreq/cpufreq_conservative.c
index 2ecd95e4ab1a..7a74d175287b 100644
--- a/drivers/cpufreq/cpufreq_conservative.c
+++ b/drivers/cpufreq/cpufreq_conservative.c
@@ -91,6 +91,9 @@ static unsigned int dbs_enable; /* number of CPUs using this policy */
* (like __cpufreq_driver_target()) is being called with dbs_mutex taken, then
* cpu_hotplug lock should be taken before that. Note that cpu_hotplug lock
* is recursive for the same process. -Venki
+ * DEADLOCK ALERT! (2) : do_dbs_timer() must not take the dbs_mutex, because it
+ * would deadlock with cancel_delayed_work_sync(), which is needed for proper
+ * raceless workqueue teardown.
*/
static DEFINE_MUTEX(dbs_mutex);
@@ -542,7 +545,7 @@ static inline void dbs_timer_init(struct cpu_dbs_info_s *dbs_info)
static inline void dbs_timer_exit(struct cpu_dbs_info_s *dbs_info)
{
dbs_info->enable = 0;
- cancel_delayed_work(&dbs_info->work);
+ cancel_delayed_work_sync(&dbs_info->work);
}
static int cpufreq_governor_dbs(struct cpufreq_policy *policy,
diff --git a/drivers/cpufreq/cpufreq_ondemand.c b/drivers/cpufreq/cpufreq_ondemand.c
index 338f428a15b7..e741c339df76 100644
--- a/drivers/cpufreq/cpufreq_ondemand.c
+++ b/drivers/cpufreq/cpufreq_ondemand.c
@@ -98,6 +98,9 @@ static unsigned int dbs_enable; /* number of CPUs using this policy */
* (like __cpufreq_driver_target()) is being called with dbs_mutex taken, then
* cpu_hotplug lock should be taken before that. Note that cpu_hotplug lock
* is recursive for the same process. -Venki
+ * DEADLOCK ALERT! (2) : do_dbs_timer() must not take the dbs_mutex, because it
+ * would deadlock with cancel_delayed_work_sync(), which is needed for proper
+ * raceless workqueue teardown.
*/
static DEFINE_MUTEX(dbs_mutex);
@@ -562,7 +565,7 @@ static inline void dbs_timer_init(struct cpu_dbs_info_s *dbs_info)
static inline void dbs_timer_exit(struct cpu_dbs_info_s *dbs_info)
{
dbs_info->enable = 0;
- cancel_delayed_work(&dbs_info->work);
+ cancel_delayed_work_sync(&dbs_info->work);
}
static int cpufreq_governor_dbs(struct cpufreq_policy *policy,
diff --git a/drivers/crypto/ixp4xx_crypto.c b/drivers/crypto/ixp4xx_crypto.c
index f9f05d7a707d..6c6656d3b1e2 100644
--- a/drivers/crypto/ixp4xx_crypto.c
+++ b/drivers/crypto/ixp4xx_crypto.c
@@ -415,6 +415,7 @@ static void crypto_done_action(unsigned long arg)
static int init_ixp_crypto(void)
{
int ret = -ENODEV;
+ u32 msg[2] = { 0, 0 };
if (! ( ~(*IXP4XX_EXP_CFG2) & (IXP4XX_FEATURE_HASH |
IXP4XX_FEATURE_AES | IXP4XX_FEATURE_DES))) {
@@ -426,9 +427,35 @@ static int init_ixp_crypto(void)
return ret;
if (!npe_running(npe_c)) {
- npe_load_firmware(npe_c, npe_name(npe_c), dev);
+ ret = npe_load_firmware(npe_c, npe_name(npe_c), dev);
+ if (ret) {
+ return ret;
+ }
+ if (npe_recv_message(npe_c, msg, "STATUS_MSG"))
+ goto npe_error;
+ } else {
+ if (npe_send_message(npe_c, msg, "STATUS_MSG"))
+ goto npe_error;
+
+ if (npe_recv_message(npe_c, msg, "STATUS_MSG"))
+ goto npe_error;
}
+ switch ((msg[1]>>16) & 0xff) {
+ case 3:
+ printk(KERN_WARNING "Firmware of %s lacks AES support\n",
+ npe_name(npe_c));
+ support_aes = 0;
+ break;
+ case 4:
+ case 5:
+ support_aes = 1;
+ break;
+ default:
+ printk(KERN_ERR "Firmware of %s lacks crypto support\n",
+ npe_name(npe_c));
+ return -ENODEV;
+ }
/* buffer_pool will also be used to sometimes store the hmac,
* so assure it is large enough
*/
@@ -459,6 +486,10 @@ static int init_ixp_crypto(void)
qmgr_enable_irq(RECV_QID);
return 0;
+
+npe_error:
+ printk(KERN_ERR "%s not responding\n", npe_name(npe_c));
+ ret = -EIO;
err:
if (ctx_pool)
dma_pool_destroy(ctx_pool);
diff --git a/drivers/crypto/padlock-aes.c b/drivers/crypto/padlock-aes.c
index 3f0fdd18255d..856b3cc25583 100644
--- a/drivers/crypto/padlock-aes.c
+++ b/drivers/crypto/padlock-aes.c
@@ -489,4 +489,4 @@ MODULE_DESCRIPTION("VIA PadLock AES algorithm support");
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Michal Ludvig");
-MODULE_ALIAS("aes-all");
+MODULE_ALIAS("aes");
diff --git a/drivers/dma/fsldma.c b/drivers/dma/fsldma.c
index da8a8ed9e411..f18d1bde0439 100644
--- a/drivers/dma/fsldma.c
+++ b/drivers/dma/fsldma.c
@@ -179,9 +179,14 @@ static void dma_halt(struct fsl_dma_chan *fsl_chan)
static void set_ld_eol(struct fsl_dma_chan *fsl_chan,
struct fsl_desc_sw *desc)
{
+ u64 snoop_bits;
+
+ snoop_bits = ((fsl_chan->feature & FSL_DMA_IP_MASK) == FSL_DMA_IP_83XX)
+ ? FSL_DMA_SNEN : 0;
+
desc->hw.next_ln_addr = CPU_TO_DMA(fsl_chan,
- DMA_TO_CPU(fsl_chan, desc->hw.next_ln_addr, 64) | FSL_DMA_EOL,
- 64);
+ DMA_TO_CPU(fsl_chan, desc->hw.next_ln_addr, 64) | FSL_DMA_EOL
+ | snoop_bits, 64);
}
static void append_ld_queue(struct fsl_dma_chan *fsl_chan,
@@ -313,8 +318,8 @@ static void fsl_chan_toggle_ext_start(struct fsl_dma_chan *fsl_chan, int enable)
static dma_cookie_t fsl_dma_tx_submit(struct dma_async_tx_descriptor *tx)
{
- struct fsl_desc_sw *desc = tx_to_fsl_desc(tx);
struct fsl_dma_chan *fsl_chan = to_fsl_chan(tx->chan);
+ struct fsl_desc_sw *desc;
unsigned long flags;
dma_cookie_t cookie;
@@ -322,14 +327,17 @@ static dma_cookie_t fsl_dma_tx_submit(struct dma_async_tx_descriptor *tx)
spin_lock_irqsave(&fsl_chan->desc_lock, flags);
cookie = fsl_chan->common.cookie;
- cookie++;
- if (cookie < 0)
- cookie = 1;
- desc->async_tx.cookie = cookie;
- fsl_chan->common.cookie = desc->async_tx.cookie;
+ list_for_each_entry(desc, &tx->tx_list, node) {
+ cookie++;
+ if (cookie < 0)
+ cookie = 1;
- append_ld_queue(fsl_chan, desc);
- list_splice_init(&desc->async_tx.tx_list, fsl_chan->ld_queue.prev);
+ desc->async_tx.cookie = cookie;
+ }
+
+ fsl_chan->common.cookie = cookie;
+ append_ld_queue(fsl_chan, tx_to_fsl_desc(tx));
+ list_splice_init(&tx->tx_list, fsl_chan->ld_queue.prev);
spin_unlock_irqrestore(&fsl_chan->desc_lock, flags);
@@ -454,8 +462,8 @@ static struct dma_async_tx_descriptor *fsl_dma_prep_memcpy(
{
struct fsl_dma_chan *fsl_chan;
struct fsl_desc_sw *first = NULL, *prev = NULL, *new;
+ struct list_head *list;
size_t copy;
- LIST_HEAD(link_chain);
if (!chan)
return NULL;
@@ -472,7 +480,7 @@ static struct dma_async_tx_descriptor *fsl_dma_prep_memcpy(
if (!new) {
dev_err(fsl_chan->dev,
"No free memory for link descriptor\n");
- return NULL;
+ goto fail;
}
#ifdef FSL_DMA_LD_DEBUG
dev_dbg(fsl_chan->dev, "new link desc alloc %p\n", new);
@@ -507,7 +515,19 @@ static struct dma_async_tx_descriptor *fsl_dma_prep_memcpy(
/* Set End-of-link to the last link descriptor of new list*/
set_ld_eol(fsl_chan, new);
- return first ? &first->async_tx : NULL;
+ return &first->async_tx;
+
+fail:
+ if (!first)
+ return NULL;
+
+ list = &first->async_tx.tx_list;
+ list_for_each_entry_safe_reverse(new, prev, list, node) {
+ list_del(&new->node);
+ dma_pool_free(fsl_chan->desc_pool, new, new->async_tx.phys);
+ }
+
+ return NULL;
}
/**
@@ -598,15 +618,16 @@ static void fsl_chan_xfer_ld_queue(struct fsl_dma_chan *fsl_chan)
dma_addr_t next_dest_addr;
unsigned long flags;
+ spin_lock_irqsave(&fsl_chan->desc_lock, flags);
+
if (!dma_is_idle(fsl_chan))
- return;
+ goto out_unlock;
dma_halt(fsl_chan);
/* If there are some link descriptors
* not transfered in queue. We need to start it.
*/
- spin_lock_irqsave(&fsl_chan->desc_lock, flags);
/* Find the first un-transfer desciptor */
for (ld_node = fsl_chan->ld_queue.next;
@@ -617,19 +638,20 @@ static void fsl_chan_xfer_ld_queue(struct fsl_dma_chan *fsl_chan)
fsl_chan->common.cookie) == DMA_SUCCESS);
ld_node = ld_node->next);
- spin_unlock_irqrestore(&fsl_chan->desc_lock, flags);
-
if (ld_node != &fsl_chan->ld_queue) {
/* Get the ld start address from ld_queue */
next_dest_addr = to_fsl_desc(ld_node)->async_tx.phys;
- dev_dbg(fsl_chan->dev, "xfer LDs staring from %p\n",
- (void *)next_dest_addr);
+ dev_dbg(fsl_chan->dev, "xfer LDs staring from 0x%llx\n",
+ (unsigned long long)next_dest_addr);
set_cdar(fsl_chan, next_dest_addr);
dma_start(fsl_chan);
} else {
set_cdar(fsl_chan, 0);
set_ndar(fsl_chan, 0);
}
+
+out_unlock:
+ spin_unlock_irqrestore(&fsl_chan->desc_lock, flags);
}
/**
@@ -734,8 +756,9 @@ static irqreturn_t fsl_dma_chan_do_interrupt(int irq, void *data)
*/
if (stat & FSL_DMA_SR_EOSI) {
dev_dbg(fsl_chan->dev, "event: End-of-segments INT\n");
- dev_dbg(fsl_chan->dev, "event: clndar %p, nlndar %p\n",
- (void *)get_cdar(fsl_chan), (void *)get_ndar(fsl_chan));
+ dev_dbg(fsl_chan->dev, "event: clndar 0x%llx, nlndar 0x%llx\n",
+ (unsigned long long)get_cdar(fsl_chan),
+ (unsigned long long)get_ndar(fsl_chan));
stat &= ~FSL_DMA_SR_EOSI;
update_cookie = 1;
}
@@ -830,7 +853,7 @@ static int __devinit fsl_dma_chan_probe(struct fsl_dma_device *fdev,
new_fsl_chan->reg.end - new_fsl_chan->reg.start + 1);
new_fsl_chan->id = ((new_fsl_chan->reg.start - 0x100) & 0xfff) >> 7;
- if (new_fsl_chan->id > FSL_DMA_MAX_CHANS_PER_DEVICE) {
+ if (new_fsl_chan->id >= FSL_DMA_MAX_CHANS_PER_DEVICE) {
dev_err(fdev->dev, "There is no %d channel!\n",
new_fsl_chan->id);
err = -EINVAL;
@@ -925,8 +948,8 @@ static int __devinit of_fsl_dma_probe(struct of_device *dev,
}
dev_info(&dev->dev, "Probe the Freescale DMA driver for %s "
- "controller at %p...\n",
- match->compatible, (void *)fdev->reg.start);
+ "controller at 0x%llx...\n",
+ match->compatible, (unsigned long long)fdev->reg.start);
fdev->reg_base = ioremap(fdev->reg.start, fdev->reg.end
- fdev->reg.start + 1);
diff --git a/drivers/dma/ioat_dma.c b/drivers/dma/ioat_dma.c
index 1955ee8d6d20..a600fc0f7962 100644
--- a/drivers/dma/ioat_dma.c
+++ b/drivers/dma/ioat_dma.c
@@ -173,7 +173,7 @@ static int ioat_dma_enumerate_channels(struct ioatdma_device *device)
xfercap = (xfercap_scale == 0 ? -1 : (1UL << xfercap_scale));
#ifdef CONFIG_I7300_IDLE_IOAT_CHANNEL
- if (i7300_idle_platform_probe(NULL, NULL) == 0) {
+ if (i7300_idle_platform_probe(NULL, NULL, 1) == 0) {
device->common.chancnt--;
}
#endif
diff --git a/drivers/edac/Kconfig b/drivers/edac/Kconfig
index e5f5c5a8ba6c..956982f8739b 100644
--- a/drivers/edac/Kconfig
+++ b/drivers/edac/Kconfig
@@ -192,16 +192,20 @@ config EDAC_PPC4XX
config EDAC_AMD8131
tristate "AMD8131 HyperTransport PCI-X Tunnel"
- depends on EDAC_MM_EDAC && PCI
+ depends on EDAC_MM_EDAC && PCI && PPC_MAPLE
help
Support for error detection and correction on the
AMD8131 HyperTransport PCI-X Tunnel chip.
+ Note, add more Kconfig dependency if it's adopted
+ on some machine other than Maple.
config EDAC_AMD8111
tristate "AMD8111 HyperTransport I/O Hub"
- depends on EDAC_MM_EDAC && PCI
+ depends on EDAC_MM_EDAC && PCI && PPC_MAPLE
help
Support for error detection and correction on the
AMD8111 HyperTransport I/O Hub chip.
+ Note, add more Kconfig dependency if it's adopted
+ on some machine other than Maple.
endif # EDAC
diff --git a/drivers/edac/Makefile b/drivers/edac/Makefile
index a5fdcf02f591..59076819135d 100644
--- a/drivers/edac/Makefile
+++ b/drivers/edac/Makefile
@@ -35,3 +35,5 @@ obj-$(CONFIG_EDAC_MPC85XX) += mpc85xx_edac.o
obj-$(CONFIG_EDAC_MV64X60) += mv64x60_edac.o
obj-$(CONFIG_EDAC_CELL) += cell_edac.o
obj-$(CONFIG_EDAC_PPC4XX) += ppc4xx_edac.o
+obj-$(CONFIG_EDAC_AMD8111) += amd8111_edac.o
+obj-$(CONFIG_EDAC_AMD8131) += amd8131_edac.o
diff --git a/drivers/edac/amd8111_edac.c b/drivers/edac/amd8111_edac.c
index 614692181120..2cb58ef743e0 100644
--- a/drivers/edac/amd8111_edac.c
+++ b/drivers/edac/amd8111_edac.c
@@ -389,7 +389,7 @@ static int amd8111_dev_probe(struct pci_dev *dev,
dev_info->edac_dev->dev = &dev_info->dev->dev;
dev_info->edac_dev->mod_name = AMD8111_EDAC_MOD_STR;
dev_info->edac_dev->ctl_name = dev_info->ctl_name;
- dev_info->edac_dev->dev_name = dev_info->dev->dev.bus_id;
+ dev_info->edac_dev->dev_name = dev_name(&dev_info->dev->dev);
if (edac_op_state == EDAC_OPSTATE_POLL)
dev_info->edac_dev->edac_check = dev_info->check;
@@ -473,7 +473,7 @@ static int amd8111_pci_probe(struct pci_dev *dev,
pci_info->edac_dev->dev = &pci_info->dev->dev;
pci_info->edac_dev->mod_name = AMD8111_EDAC_MOD_STR;
pci_info->edac_dev->ctl_name = pci_info->ctl_name;
- pci_info->edac_dev->dev_name = pci_info->dev->dev.bus_id;
+ pci_info->edac_dev->dev_name = dev_name(&pci_info->dev->dev);
if (edac_op_state == EDAC_OPSTATE_POLL)
pci_info->edac_dev->edac_check = pci_info->check;
diff --git a/drivers/edac/amd8131_edac.c b/drivers/edac/amd8131_edac.c
index c083b31cac5a..b432d60c622a 100644
--- a/drivers/edac/amd8131_edac.c
+++ b/drivers/edac/amd8131_edac.c
@@ -287,7 +287,7 @@ static int amd8131_probe(struct pci_dev *dev, const struct pci_device_id *id)
dev_info->edac_dev->dev = &dev_info->dev->dev;
dev_info->edac_dev->mod_name = AMD8131_EDAC_MOD_STR;
dev_info->edac_dev->ctl_name = dev_info->ctl_name;
- dev_info->edac_dev->dev_name = dev_info->dev->dev.bus_id;
+ dev_info->edac_dev->dev_name = dev_name(&dev_info->dev->dev);
if (edac_op_state == EDAC_OPSTATE_POLL)
dev_info->edac_dev->edac_check = amd8131_chipset.check;
diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig
index 4cd35d8fd799..f5d46e7199d4 100644
--- a/drivers/gpu/drm/Kconfig
+++ b/drivers/gpu/drm/Kconfig
@@ -67,12 +67,18 @@ config DRM_I830
will load the correct one.
config DRM_I915
+ tristate "i915 driver"
select FB_CFB_FILLRECT
select FB_CFB_COPYAREA
select FB_CFB_IMAGEBLIT
select FB
select FRAMEBUFFER_CONSOLE if !EMBEDDED
- tristate "i915 driver"
+ # i915 depends on ACPI_VIDEO when ACPI is enabled
+ # but for select to work, need to select ACPI_VIDEO's dependencies, ick
+ select VIDEO_OUTPUT_CONTROL if ACPI
+ select BACKLIGHT_CLASS_DEVICE if ACPI
+ select INPUT if ACPI
+ select ACPI_VIDEO if ACPI
help
Choose this option if you have a system that has Intel 830M, 845G,
852GM, 855GM 865G or 915G integrated graphics. If M is selected, the
@@ -84,12 +90,6 @@ config DRM_I915
config DRM_I915_KMS
bool "Enable modesetting on intel by default"
depends on DRM_I915
- # i915 KMS depends on ACPI_VIDEO when ACPI is enabled
- # but for select to work, need to select ACPI_VIDEO's dependencies, ick
- select VIDEO_OUTPUT_CONTROL if ACPI
- select BACKLIGHT_CLASS_DEVICE if ACPI
- select INPUT if ACPI
- select ACPI_VIDEO if ACPI
help
Choose this option if you want kernel modesetting enabled by default,
and you have a new enough userspace to support this. Running old
diff --git a/drivers/gpu/drm/drm_bufs.c b/drivers/gpu/drm/drm_bufs.c
index 6d80d17f1e96..0411d912d82a 100644
--- a/drivers/gpu/drm/drm_bufs.c
+++ b/drivers/gpu/drm/drm_bufs.c
@@ -170,6 +170,14 @@ static int drm_addmap_core(struct drm_device * dev, resource_size_t offset,
}
DRM_DEBUG("offset = 0x%08llx, size = 0x%08lx, type = %d\n",
(unsigned long long)map->offset, map->size, map->type);
+
+ /* page-align _DRM_SHM maps. They are allocated here so there is no security
+ * hole created by that and it works around various broken drivers that use
+ * a non-aligned quantity to map the SAREA. --BenH
+ */
+ if (map->type == _DRM_SHM)
+ map->size = PAGE_ALIGN(map->size);
+
if ((map->offset & (~(resource_size_t)PAGE_MASK)) || (map->size & (~PAGE_MASK))) {
drm_free(map, sizeof(*map), DRM_MEM_MAPS);
return -EINVAL;
diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c
index f01def16a669..019b7c578236 100644
--- a/drivers/gpu/drm/drm_drv.c
+++ b/drivers/gpu/drm/drm_drv.c
@@ -481,7 +481,7 @@ int drm_ioctl(struct inode *inode, struct file *filp,
}
retcode = func(dev, kdata, file_priv);
- if ((retcode == 0) && (cmd & IOC_OUT)) {
+ if (cmd & IOC_OUT) {
if (copy_to_user((void __user *)arg, kdata,
_IOC_SIZE(cmd)) != 0)
retcode = -EFAULT;
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 9b149fe824c3..c431fa54bbb5 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -180,7 +180,8 @@ typedef struct drm_i915_private {
int backlight_duty_cycle; /* restore backlight to this value */
bool panel_wants_dither;
struct drm_display_mode *panel_fixed_mode;
- struct drm_display_mode *vbt_mode; /* if any */
+ struct drm_display_mode *lfp_lvds_vbt_mode; /* if any */
+ struct drm_display_mode *sdvo_lvds_vbt_mode; /* if any */
/* Feature bits from the VBIOS */
unsigned int int_tv_support:1;
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index b189b49c7602..670d12881468 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -349,7 +349,7 @@ i915_gem_shmem_pread_slow(struct drm_device *dev, struct drm_gem_object *obj,
last_data_page = (data_ptr + args->size - 1) / PAGE_SIZE;
num_pages = last_data_page - first_data_page + 1;
- user_pages = kcalloc(num_pages, sizeof(struct page *), GFP_KERNEL);
+ user_pages = drm_calloc_large(num_pages, sizeof(struct page *));
if (user_pages == NULL)
return -ENOMEM;
@@ -429,7 +429,7 @@ fail_put_user_pages:
SetPageDirty(user_pages[i]);
page_cache_release(user_pages[i]);
}
- kfree(user_pages);
+ drm_free_large(user_pages);
return ret;
}
@@ -649,7 +649,7 @@ i915_gem_gtt_pwrite_slow(struct drm_device *dev, struct drm_gem_object *obj,
last_data_page = (data_ptr + args->size - 1) / PAGE_SIZE;
num_pages = last_data_page - first_data_page + 1;
- user_pages = kcalloc(num_pages, sizeof(struct page *), GFP_KERNEL);
+ user_pages = drm_calloc_large(num_pages, sizeof(struct page *));
if (user_pages == NULL)
return -ENOMEM;
@@ -719,7 +719,7 @@ out_unlock:
out_unpin_pages:
for (i = 0; i < pinned_pages; i++)
page_cache_release(user_pages[i]);
- kfree(user_pages);
+ drm_free_large(user_pages);
return ret;
}
@@ -824,7 +824,7 @@ i915_gem_shmem_pwrite_slow(struct drm_device *dev, struct drm_gem_object *obj,
last_data_page = (data_ptr + args->size - 1) / PAGE_SIZE;
num_pages = last_data_page - first_data_page + 1;
- user_pages = kcalloc(num_pages, sizeof(struct page *), GFP_KERNEL);
+ user_pages = drm_calloc_large(num_pages, sizeof(struct page *));
if (user_pages == NULL)
return -ENOMEM;
@@ -902,7 +902,7 @@ fail_unlock:
fail_put_user_pages:
for (i = 0; i < pinned_pages; i++)
page_cache_release(user_pages[i]);
- kfree(user_pages);
+ drm_free_large(user_pages);
return ret;
}
@@ -1145,7 +1145,14 @@ int i915_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
mutex_unlock(&dev->struct_mutex);
return VM_FAULT_SIGBUS;
}
- list_add(&obj_priv->list, &dev_priv->mm.inactive_list);
+
+ ret = i915_gem_object_set_to_gtt_domain(obj, write);
+ if (ret) {
+ mutex_unlock(&dev->struct_mutex);
+ return VM_FAULT_SIGBUS;
+ }
+
+ list_add_tail(&obj_priv->list, &dev_priv->mm.inactive_list);
}
/* Need a new fence register? */
@@ -1375,7 +1382,7 @@ i915_gem_mmap_gtt_ioctl(struct drm_device *dev, void *data,
mutex_unlock(&dev->struct_mutex);
return ret;
}
- list_add(&obj_priv->list, &dev_priv->mm.inactive_list);
+ list_add_tail(&obj_priv->list, &dev_priv->mm.inactive_list);
}
drm_gem_object_unreference(obj);
@@ -1408,9 +1415,7 @@ i915_gem_object_put_pages(struct drm_gem_object *obj)
}
obj_priv->dirty = 0;
- drm_free(obj_priv->pages,
- page_count * sizeof(struct page *),
- DRM_MEM_DRIVER);
+ drm_free_large(obj_priv->pages);
obj_priv->pages = NULL;
}
@@ -2024,8 +2029,7 @@ i915_gem_object_get_pages(struct drm_gem_object *obj)
*/
page_count = obj->size / PAGE_SIZE;
BUG_ON(obj_priv->pages != NULL);
- obj_priv->pages = drm_calloc(page_count, sizeof(struct page *),
- DRM_MEM_DRIVER);
+ obj_priv->pages = drm_calloc_large(page_count, sizeof(struct page *));
if (obj_priv->pages == NULL) {
DRM_ERROR("Faled to allocate page list\n");
obj_priv->pages_refcount--;
@@ -2131,8 +2135,10 @@ static void i830_write_fence_reg(struct drm_i915_fence_reg *reg)
return;
}
- pitch_val = (obj_priv->stride / 128) - 1;
- WARN_ON(pitch_val & ~0x0000000f);
+ pitch_val = obj_priv->stride / 128;
+ pitch_val = ffs(pitch_val) - 1;
+ WARN_ON(pitch_val > I830_FENCE_MAX_PITCH_VAL);
+
val = obj_priv->gtt_offset;
if (obj_priv->tiling_mode == I915_TILING_Y)
val |= 1 << I830_FENCE_TILING_Y_SHIFT;
@@ -2424,6 +2430,16 @@ i915_gem_clflush_object(struct drm_gem_object *obj)
if (obj_priv->pages == NULL)
return;
+ /* XXX: The 865 in particular appears to be weird in how it handles
+ * cache flushing. We haven't figured it out, but the
+ * clflush+agp_chipset_flush doesn't appear to successfully get the
+ * data visible to the PGU, while wbinvd + agp_chipset_flush does.
+ */
+ if (IS_I865G(obj->dev)) {
+ wbinvd();
+ return;
+ }
+
drm_clflush_pages(obj_priv->pages, obj->size / PAGE_SIZE);
}
@@ -3111,7 +3127,7 @@ i915_gem_get_relocs_from_user(struct drm_i915_gem_exec_object *exec_list,
reloc_count += exec_list[i].relocation_count;
}
- *relocs = drm_calloc(reloc_count, sizeof(**relocs), DRM_MEM_DRIVER);
+ *relocs = drm_calloc_large(reloc_count, sizeof(**relocs));
if (*relocs == NULL)
return -ENOMEM;
@@ -3125,8 +3141,7 @@ i915_gem_get_relocs_from_user(struct drm_i915_gem_exec_object *exec_list,
exec_list[i].relocation_count *
sizeof(**relocs));
if (ret != 0) {
- drm_free(*relocs, reloc_count * sizeof(**relocs),
- DRM_MEM_DRIVER);
+ drm_free_large(*relocs);
*relocs = NULL;
return -EFAULT;
}
@@ -3165,7 +3180,7 @@ i915_gem_put_relocs_to_user(struct drm_i915_gem_exec_object *exec_list,
}
err:
- drm_free(relocs, reloc_count * sizeof(*relocs), DRM_MEM_DRIVER);
+ drm_free_large(relocs);
return ret;
}
@@ -3198,10 +3213,8 @@ i915_gem_execbuffer(struct drm_device *dev, void *data,
return -EINVAL;
}
/* Copy in the exec list from userland */
- exec_list = drm_calloc(sizeof(*exec_list), args->buffer_count,
- DRM_MEM_DRIVER);
- object_list = drm_calloc(sizeof(*object_list), args->buffer_count,
- DRM_MEM_DRIVER);
+ exec_list = drm_calloc_large(sizeof(*exec_list), args->buffer_count);
+ object_list = drm_calloc_large(sizeof(*object_list), args->buffer_count);
if (exec_list == NULL || object_list == NULL) {
DRM_ERROR("Failed to allocate exec or object list "
"for %d buffers\n",
@@ -3462,10 +3475,8 @@ err:
}
pre_mutex_err:
- drm_free(object_list, sizeof(*object_list) * args->buffer_count,
- DRM_MEM_DRIVER);
- drm_free(exec_list, sizeof(*exec_list) * args->buffer_count,
- DRM_MEM_DRIVER);
+ drm_free_large(object_list);
+ drm_free_large(exec_list);
drm_free(cliprects, sizeof(*cliprects) * args->num_cliprects,
DRM_MEM_DRIVER);
diff --git a/drivers/gpu/drm/i915/i915_gem_tiling.c b/drivers/gpu/drm/i915/i915_gem_tiling.c
index 52a059354e83..540dd336e6ec 100644
--- a/drivers/gpu/drm/i915/i915_gem_tiling.c
+++ b/drivers/gpu/drm/i915/i915_gem_tiling.c
@@ -213,7 +213,8 @@ i915_tiling_ok(struct drm_device *dev, int stride, int size, int tiling_mode)
if (tiling_mode == I915_TILING_NONE)
return true;
- if (tiling_mode == I915_TILING_Y && HAS_128_BYTE_Y_TILING(dev))
+ if (!IS_I9XX(dev) ||
+ (tiling_mode == I915_TILING_Y && HAS_128_BYTE_Y_TILING(dev)))
tile_width = 128;
else
tile_width = 512;
@@ -225,11 +226,18 @@ i915_tiling_ok(struct drm_device *dev, int stride, int size, int tiling_mode)
if (stride / 128 > I965_FENCE_MAX_PITCH_VAL)
return false;
} else if (IS_I9XX(dev)) {
- if (stride / tile_width > I830_FENCE_MAX_PITCH_VAL ||
+ uint32_t pitch_val = ffs(stride / tile_width) - 1;
+
+ /* XXX: For Y tiling, FENCE_MAX_PITCH_VAL is actually 6 (8KB)
+ * instead of 4 (2KB) on 945s.
+ */
+ if (pitch_val > I915_FENCE_MAX_PITCH_VAL ||
size > (I830_FENCE_MAX_SIZE_VAL << 20))
return false;
} else {
- if (stride / 128 > I830_FENCE_MAX_PITCH_VAL ||
+ uint32_t pitch_val = ffs(stride / tile_width) - 1;
+
+ if (pitch_val > I830_FENCE_MAX_PITCH_VAL ||
size > (I830_FENCE_MAX_SIZE_VAL << 19))
return false;
}
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 15da44cf21b1..375569d01d01 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -190,7 +190,8 @@
#define I830_FENCE_SIZE_BITS(size) ((ffs((size) >> 19) - 1) << 8)
#define I830_FENCE_PITCH_SHIFT 4
#define I830_FENCE_REG_VALID (1<<0)
-#define I830_FENCE_MAX_PITCH_VAL 0x10
+#define I915_FENCE_MAX_PITCH_VAL 0x10
+#define I830_FENCE_MAX_PITCH_VAL 6
#define I830_FENCE_MAX_SIZE_VAL (1<<8)
#define I915_FENCE_START_MASK 0x0ff00000
@@ -1410,9 +1411,25 @@
/* Cursor A & B regs */
#define CURACNTR 0x70080
+/* Old style CUR*CNTR flags (desktop 8xx) */
+#define CURSOR_ENABLE 0x80000000
+#define CURSOR_GAMMA_ENABLE 0x40000000
+#define CURSOR_STRIDE_MASK 0x30000000
+#define CURSOR_FORMAT_SHIFT 24
+#define CURSOR_FORMAT_MASK (0x07 << CURSOR_FORMAT_SHIFT)
+#define CURSOR_FORMAT_2C (0x00 << CURSOR_FORMAT_SHIFT)
+#define CURSOR_FORMAT_3C (0x01 << CURSOR_FORMAT_SHIFT)
+#define CURSOR_FORMAT_4C (0x02 << CURSOR_FORMAT_SHIFT)
+#define CURSOR_FORMAT_ARGB (0x04 << CURSOR_FORMAT_SHIFT)
+#define CURSOR_FORMAT_XRGB (0x05 << CURSOR_FORMAT_SHIFT)
+/* New style CUR*CNTR flags */
+#define CURSOR_MODE 0x27
#define CURSOR_MODE_DISABLE 0x00
#define CURSOR_MODE_64_32B_AX 0x07
#define CURSOR_MODE_64_ARGB_AX ((1 << 5) | CURSOR_MODE_64_32B_AX)
+#define MCURSOR_PIPE_SELECT (1 << 28)
+#define MCURSOR_PIPE_A 0x00
+#define MCURSOR_PIPE_B (1 << 28)
#define MCURSOR_GAMMA_ENABLE (1 << 26)
#define CURABASE 0x70084
#define CURAPOS 0x70088
@@ -1420,6 +1437,7 @@
#define CURSOR_POS_SIGN 0x8000
#define CURSOR_X_SHIFT 0
#define CURSOR_Y_SHIFT 16
+#define CURSIZE 0x700a0
#define CURBCNTR 0x700c0
#define CURBBASE 0x700c4
#define CURBPOS 0x700c8
diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c
index fc28e2bbd542..9d78cff33b24 100644
--- a/drivers/gpu/drm/i915/intel_bios.c
+++ b/drivers/gpu/drm/i915/intel_bios.c
@@ -57,9 +57,43 @@ find_section(struct bdb_header *bdb, int section_id)
return NULL;
}
-/* Try to find panel data */
static void
-parse_panel_data(struct drm_i915_private *dev_priv, struct bdb_header *bdb)
+fill_detail_timing_data(struct drm_display_mode *panel_fixed_mode,
+ struct lvds_dvo_timing *dvo_timing)
+{
+ panel_fixed_mode->hdisplay = (dvo_timing->hactive_hi << 8) |
+ dvo_timing->hactive_lo;
+ panel_fixed_mode->hsync_start = panel_fixed_mode->hdisplay +
+ ((dvo_timing->hsync_off_hi << 8) | dvo_timing->hsync_off_lo);
+ panel_fixed_mode->hsync_end = panel_fixed_mode->hsync_start +
+ dvo_timing->hsync_pulse_width;
+ panel_fixed_mode->htotal = panel_fixed_mode->hdisplay +
+ ((dvo_timing->hblank_hi << 8) | dvo_timing->hblank_lo);
+
+ panel_fixed_mode->vdisplay = (dvo_timing->vactive_hi << 8) |
+ dvo_timing->vactive_lo;
+ panel_fixed_mode->vsync_start = panel_fixed_mode->vdisplay +
+ dvo_timing->vsync_off;
+ panel_fixed_mode->vsync_end = panel_fixed_mode->vsync_start +
+ dvo_timing->vsync_pulse_width;
+ panel_fixed_mode->vtotal = panel_fixed_mode->vdisplay +
+ ((dvo_timing->vblank_hi << 8) | dvo_timing->vblank_lo);
+ panel_fixed_mode->clock = dvo_timing->clock * 10;
+ panel_fixed_mode->type = DRM_MODE_TYPE_PREFERRED;
+
+ /* Some VBTs have bogus h/vtotal values */
+ if (panel_fixed_mode->hsync_end > panel_fixed_mode->htotal)
+ panel_fixed_mode->htotal = panel_fixed_mode->hsync_end + 1;
+ if (panel_fixed_mode->vsync_end > panel_fixed_mode->vtotal)
+ panel_fixed_mode->vtotal = panel_fixed_mode->vsync_end + 1;
+
+ drm_mode_set_name(panel_fixed_mode);
+}
+
+/* Try to find integrated panel data */
+static void
+parse_lfp_panel_data(struct drm_i915_private *dev_priv,
+ struct bdb_header *bdb)
{
struct bdb_lvds_options *lvds_options;
struct bdb_lvds_lfp_data *lvds_lfp_data;
@@ -91,38 +125,45 @@ parse_panel_data(struct drm_i915_private *dev_priv, struct bdb_header *bdb)
panel_fixed_mode = drm_calloc(1, sizeof(*panel_fixed_mode),
DRM_MEM_DRIVER);
- panel_fixed_mode->hdisplay = (dvo_timing->hactive_hi << 8) |
- dvo_timing->hactive_lo;
- panel_fixed_mode->hsync_start = panel_fixed_mode->hdisplay +
- ((dvo_timing->hsync_off_hi << 8) | dvo_timing->hsync_off_lo);
- panel_fixed_mode->hsync_end = panel_fixed_mode->hsync_start +
- dvo_timing->hsync_pulse_width;
- panel_fixed_mode->htotal = panel_fixed_mode->hdisplay +
- ((dvo_timing->hblank_hi << 8) | dvo_timing->hblank_lo);
+ fill_detail_timing_data(panel_fixed_mode, dvo_timing);
- panel_fixed_mode->vdisplay = (dvo_timing->vactive_hi << 8) |
- dvo_timing->vactive_lo;
- panel_fixed_mode->vsync_start = panel_fixed_mode->vdisplay +
- dvo_timing->vsync_off;
- panel_fixed_mode->vsync_end = panel_fixed_mode->vsync_start +
- dvo_timing->vsync_pulse_width;
- panel_fixed_mode->vtotal = panel_fixed_mode->vdisplay +
- ((dvo_timing->vblank_hi << 8) | dvo_timing->vblank_lo);
- panel_fixed_mode->clock = dvo_timing->clock * 10;
- panel_fixed_mode->type = DRM_MODE_TYPE_PREFERRED;
+ dev_priv->lfp_lvds_vbt_mode = panel_fixed_mode;
- /* Some VBTs have bogus h/vtotal values */
- if (panel_fixed_mode->hsync_end > panel_fixed_mode->htotal)
- panel_fixed_mode->htotal = panel_fixed_mode->hsync_end + 1;
- if (panel_fixed_mode->vsync_end > panel_fixed_mode->vtotal)
- panel_fixed_mode->vtotal = panel_fixed_mode->vsync_end + 1;
+ DRM_DEBUG("Found panel mode in BIOS VBT tables:\n");
+ drm_mode_debug_printmodeline(panel_fixed_mode);
- drm_mode_set_name(panel_fixed_mode);
+ return;
+}
+
+/* Try to find sdvo panel data */
+static void
+parse_sdvo_panel_data(struct drm_i915_private *dev_priv,
+ struct bdb_header *bdb)
+{
+ struct bdb_sdvo_lvds_options *sdvo_lvds_options;
+ struct lvds_dvo_timing *dvo_timing;
+ struct drm_display_mode *panel_fixed_mode;
- dev_priv->vbt_mode = panel_fixed_mode;
+ dev_priv->sdvo_lvds_vbt_mode = NULL;
- DRM_DEBUG("Found panel mode in BIOS VBT tables:\n");
- drm_mode_debug_printmodeline(panel_fixed_mode);
+ sdvo_lvds_options = find_section(bdb, BDB_SDVO_LVDS_OPTIONS);
+ if (!sdvo_lvds_options)
+ return;
+
+ dvo_timing = find_section(bdb, BDB_SDVO_PANEL_DTDS);
+ if (!dvo_timing)
+ return;
+
+ panel_fixed_mode = drm_calloc(1, sizeof(*panel_fixed_mode),
+ DRM_MEM_DRIVER);
+
+ if (!panel_fixed_mode)
+ return;
+
+ fill_detail_timing_data(panel_fixed_mode,
+ dvo_timing + sdvo_lvds_options->panel_type);
+
+ dev_priv->sdvo_lvds_vbt_mode = panel_fixed_mode;
return;
}
@@ -199,7 +240,8 @@ intel_init_bios(struct drm_device *dev)
/* Grab useful general definitions */
parse_general_features(dev_priv, bdb);
- parse_panel_data(dev_priv, bdb);
+ parse_lfp_panel_data(dev_priv, bdb);
+ parse_sdvo_panel_data(dev_priv, bdb);
pci_unmap_rom(pdev, bios);
diff --git a/drivers/gpu/drm/i915/intel_bios.h b/drivers/gpu/drm/i915/intel_bios.h
index de621aad85b5..8ca2cde15804 100644
--- a/drivers/gpu/drm/i915/intel_bios.h
+++ b/drivers/gpu/drm/i915/intel_bios.h
@@ -279,6 +279,23 @@ struct vch_bdb_22 {
struct vch_panel_data panels[16];
} __attribute__((packed));
+struct bdb_sdvo_lvds_options {
+ u8 panel_backlight;
+ u8 h40_set_panel_type;
+ u8 panel_type;
+ u8 ssc_clk_freq;
+ u16 als_low_trip;
+ u16 als_high_trip;
+ u8 sclalarcoeff_tab_row_num;
+ u8 sclalarcoeff_tab_row_size;
+ u8 coefficient[8];
+ u8 panel_misc_bits_1;
+ u8 panel_misc_bits_2;
+ u8 panel_misc_bits_3;
+ u8 panel_misc_bits_4;
+} __attribute__((packed));
+
+
bool intel_init_bios(struct drm_device *dev);
/*
diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c
index 19148c3df637..640f5158effc 100644
--- a/drivers/gpu/drm/i915/intel_crt.c
+++ b/drivers/gpu/drm/i915/intel_crt.c
@@ -198,9 +198,142 @@ static bool intel_crt_detect_ddc(struct drm_connector *connector)
return intel_ddc_probe(intel_output);
}
+static enum drm_connector_status
+intel_crt_load_detect(struct drm_crtc *crtc, struct intel_output *intel_output)
+{
+ struct drm_encoder *encoder = &intel_output->enc;
+ struct drm_device *dev = encoder->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+ uint32_t pipe = intel_crtc->pipe;
+ uint32_t save_bclrpat;
+ uint32_t save_vtotal;
+ uint32_t vtotal, vactive;
+ uint32_t vsample;
+ uint32_t vblank, vblank_start, vblank_end;
+ uint32_t dsl;
+ uint32_t bclrpat_reg;
+ uint32_t vtotal_reg;
+ uint32_t vblank_reg;
+ uint32_t vsync_reg;
+ uint32_t pipeconf_reg;
+ uint32_t pipe_dsl_reg;
+ uint8_t st00;
+ enum drm_connector_status status;
+
+ if (pipe == 0) {
+ bclrpat_reg = BCLRPAT_A;
+ vtotal_reg = VTOTAL_A;
+ vblank_reg = VBLANK_A;
+ vsync_reg = VSYNC_A;
+ pipeconf_reg = PIPEACONF;
+ pipe_dsl_reg = PIPEADSL;
+ } else {
+ bclrpat_reg = BCLRPAT_B;
+ vtotal_reg = VTOTAL_B;
+ vblank_reg = VBLANK_B;
+ vsync_reg = VSYNC_B;
+ pipeconf_reg = PIPEBCONF;
+ pipe_dsl_reg = PIPEBDSL;
+ }
+
+ save_bclrpat = I915_READ(bclrpat_reg);
+ save_vtotal = I915_READ(vtotal_reg);
+ vblank = I915_READ(vblank_reg);
+
+ vtotal = ((save_vtotal >> 16) & 0xfff) + 1;
+ vactive = (save_vtotal & 0x7ff) + 1;
+
+ vblank_start = (vblank & 0xfff) + 1;
+ vblank_end = ((vblank >> 16) & 0xfff) + 1;
+
+ /* Set the border color to purple. */
+ I915_WRITE(bclrpat_reg, 0x500050);
+
+ if (IS_I9XX(dev)) {
+ uint32_t pipeconf = I915_READ(pipeconf_reg);
+ I915_WRITE(pipeconf_reg, pipeconf | PIPECONF_FORCE_BORDER);
+ /* Wait for next Vblank to substitue
+ * border color for Color info */
+ intel_wait_for_vblank(dev);
+ st00 = I915_READ8(VGA_MSR_WRITE);
+ status = ((st00 & (1 << 4)) != 0) ?
+ connector_status_connected :
+ connector_status_disconnected;
+
+ I915_WRITE(pipeconf_reg, pipeconf);
+ } else {
+ bool restore_vblank = false;
+ int count, detect;
+
+ /*
+ * If there isn't any border, add some.
+ * Yes, this will flicker
+ */
+ if (vblank_start <= vactive && vblank_end >= vtotal) {
+ uint32_t vsync = I915_READ(vsync_reg);
+ uint32_t vsync_start = (vsync & 0xffff) + 1;
+
+ vblank_start = vsync_start;
+ I915_WRITE(vblank_reg,
+ (vblank_start - 1) |
+ ((vblank_end - 1) << 16));
+ restore_vblank = true;
+ }
+ /* sample in the vertical border, selecting the larger one */
+ if (vblank_start - vactive >= vtotal - vblank_end)
+ vsample = (vblank_start + vactive) >> 1;
+ else
+ vsample = (vtotal + vblank_end) >> 1;
+
+ /*
+ * Wait for the border to be displayed
+ */
+ while (I915_READ(pipe_dsl_reg) >= vactive)
+ ;
+ while ((dsl = I915_READ(pipe_dsl_reg)) <= vsample)
+ ;
+ /*
+ * Watch ST00 for an entire scanline
+ */
+ detect = 0;
+ count = 0;
+ do {
+ count++;
+ /* Read the ST00 VGA status register */
+ st00 = I915_READ8(VGA_MSR_WRITE);
+ if (st00 & (1 << 4))
+ detect++;
+ } while ((I915_READ(pipe_dsl_reg) == dsl));
+
+ /* restore vblank if necessary */
+ if (restore_vblank)
+ I915_WRITE(vblank_reg, vblank);
+ /*
+ * If more than 3/4 of the scanline detected a monitor,
+ * then it is assumed to be present. This works even on i830,
+ * where there isn't any way to force the border color across
+ * the screen
+ */
+ status = detect * 4 > count * 3 ?
+ connector_status_connected :
+ connector_status_disconnected;
+ }
+
+ /* Restore previous settings */
+ I915_WRITE(bclrpat_reg, save_bclrpat);
+
+ return status;
+}
+
static enum drm_connector_status intel_crt_detect(struct drm_connector *connector)
{
struct drm_device *dev = connector->dev;
+ struct intel_output *intel_output = to_intel_output(connector);
+ struct drm_encoder *encoder = &intel_output->enc;
+ struct drm_crtc *crtc;
+ int dpms_mode;
+ enum drm_connector_status status;
if (IS_I9XX(dev) && !IS_I915G(dev) && !IS_I915GM(dev)) {
if (intel_crt_detect_hotplug(connector))
@@ -212,8 +345,20 @@ static enum drm_connector_status intel_crt_detect(struct drm_connector *connecto
if (intel_crt_detect_ddc(connector))
return connector_status_connected;
- /* TODO use load detect */
- return connector_status_unknown;
+ /* for pre-945g platforms use load detect */
+ if (encoder->crtc && encoder->crtc->enabled) {
+ status = intel_crt_load_detect(encoder->crtc, intel_output);
+ } else {
+ crtc = intel_get_load_detect_pipe(intel_output,
+ NULL, &dpms_mode);
+ if (crtc) {
+ status = intel_crt_load_detect(crtc, intel_output);
+ intel_release_load_detect_pipe(intel_output, dpms_mode);
+ } else
+ status = connector_status_unknown;
+ }
+
+ return status;
}
static void intel_crt_destroy(struct drm_connector *connector)
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 3387cf32f385..c9d6f10ba92e 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -1357,7 +1357,7 @@ static int intel_crtc_cursor_set(struct drm_crtc *crtc,
int pipe = intel_crtc->pipe;
uint32_t control = (pipe == 0) ? CURACNTR : CURBCNTR;
uint32_t base = (pipe == 0) ? CURABASE : CURBBASE;
- uint32_t temp;
+ uint32_t temp = I915_READ(control);
size_t addr;
int ret;
@@ -1366,7 +1366,12 @@ static int intel_crtc_cursor_set(struct drm_crtc *crtc,
/* if we want to turn off the cursor ignore width and height */
if (!handle) {
DRM_DEBUG("cursor off\n");
- temp = CURSOR_MODE_DISABLE;
+ if (IS_MOBILE(dev) || IS_I9XX(dev)) {
+ temp &= ~(CURSOR_MODE | MCURSOR_GAMMA_ENABLE);
+ temp |= CURSOR_MODE_DISABLE;
+ } else {
+ temp &= ~(CURSOR_ENABLE | CURSOR_GAMMA_ENABLE);
+ }
addr = 0;
bo = NULL;
mutex_lock(&dev->struct_mutex);
@@ -1409,10 +1414,19 @@ static int intel_crtc_cursor_set(struct drm_crtc *crtc,
addr = obj_priv->phys_obj->handle->busaddr;
}
- temp = 0;
- /* set the pipe for the cursor */
- temp |= (pipe << 28);
- temp |= CURSOR_MODE_64_ARGB_AX | MCURSOR_GAMMA_ENABLE;
+ if (!IS_I9XX(dev))
+ I915_WRITE(CURSIZE, (height << 12) | width);
+
+ /* Hooray for CUR*CNTR differences */
+ if (IS_MOBILE(dev) || IS_I9XX(dev)) {
+ temp &= ~(CURSOR_MODE | MCURSOR_PIPE_SELECT);
+ temp |= CURSOR_MODE_64_ARGB_AX | MCURSOR_GAMMA_ENABLE;
+ temp |= (pipe << 28); /* Connect to correct pipe */
+ } else {
+ temp &= ~(CURSOR_FORMAT_MASK);
+ temp |= CURSOR_ENABLE;
+ temp |= CURSOR_FORMAT_ARGB | CURSOR_GAMMA_ENABLE;
+ }
finish:
I915_WRITE(control, temp);
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index 439a86514993..53731f0ffcb5 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -511,10 +511,10 @@ void intel_lvds_init(struct drm_device *dev)
}
/* Failed to get EDID, what about VBT? */
- if (dev_priv->vbt_mode) {
+ if (dev_priv->lfp_lvds_vbt_mode) {
mutex_lock(&dev->mode_config.mutex);
dev_priv->panel_fixed_mode =
- drm_mode_duplicate(dev, dev_priv->vbt_mode);
+ drm_mode_duplicate(dev, dev_priv->lfp_lvds_vbt_mode);
mutex_unlock(&dev->mode_config.mutex);
if (dev_priv->panel_fixed_mode) {
dev_priv->panel_fixed_mode->type |=
diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
index 9913651c1e17..f3ef6bfd8ffc 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -69,6 +69,10 @@ struct intel_sdvo_priv {
* This is set if we treat the device as HDMI, instead of DVI.
*/
bool is_hdmi;
+ /**
+ * This is set if we detect output of sdvo device as LVDS.
+ */
+ bool is_lvds;
/**
* Returned SDTV resolutions allowed for the current format, if the
@@ -1398,10 +1402,8 @@ static enum drm_connector_status intel_sdvo_detect(struct drm_connector *connect
static void intel_sdvo_get_ddc_modes(struct drm_connector *connector)
{
struct intel_output *intel_output = to_intel_output(connector);
- struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
/* set the bus switch and get the modes */
- intel_sdvo_set_control_bus_switch(intel_output, sdvo_priv->ddc_bus);
intel_ddc_get_modes(intel_output);
#if 0
@@ -1543,6 +1545,37 @@ static void intel_sdvo_get_tv_modes(struct drm_connector *connector)
}
}
+static void intel_sdvo_get_lvds_modes(struct drm_connector *connector)
+{
+ struct intel_output *intel_output = to_intel_output(connector);
+ struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
+ struct drm_i915_private *dev_priv = connector->dev->dev_private;
+
+ /*
+ * Attempt to get the mode list from DDC.
+ * Assume that the preferred modes are
+ * arranged in priority order.
+ */
+ /* set the bus switch and get the modes */
+ intel_sdvo_set_control_bus_switch(intel_output, sdvo_priv->ddc_bus);
+ intel_ddc_get_modes(intel_output);
+ if (list_empty(&connector->probed_modes) == false)
+ return;
+
+ /* Fetch modes from VBT */
+ if (dev_priv->sdvo_lvds_vbt_mode != NULL) {
+ struct drm_display_mode *newmode;
+ newmode = drm_mode_duplicate(connector->dev,
+ dev_priv->sdvo_lvds_vbt_mode);
+ if (newmode != NULL) {
+ /* Guarantee the mode is preferred */
+ newmode->type = (DRM_MODE_TYPE_PREFERRED |
+ DRM_MODE_TYPE_DRIVER);
+ drm_mode_probed_add(connector, newmode);
+ }
+ }
+}
+
static int intel_sdvo_get_modes(struct drm_connector *connector)
{
struct intel_output *output = to_intel_output(connector);
@@ -1550,6 +1583,8 @@ static int intel_sdvo_get_modes(struct drm_connector *connector)
if (sdvo_priv->is_tv)
intel_sdvo_get_tv_modes(connector);
+ else if (sdvo_priv->is_lvds == true)
+ intel_sdvo_get_lvds_modes(connector);
else
intel_sdvo_get_ddc_modes(connector);
@@ -1564,6 +1599,9 @@ static void intel_sdvo_destroy(struct drm_connector *connector)
if (intel_output->i2c_bus)
intel_i2c_destroy(intel_output->i2c_bus);
+ if (intel_output->ddc_bus)
+ intel_i2c_destroy(intel_output->ddc_bus);
+
drm_sysfs_connector_remove(connector);
drm_connector_cleanup(connector);
kfree(intel_output);
@@ -1660,12 +1698,56 @@ intel_sdvo_get_digital_encoding_mode(struct intel_output *output)
return true;
}
+static struct intel_output *
+intel_sdvo_chan_to_intel_output(struct intel_i2c_chan *chan)
+{
+ struct drm_device *dev = chan->drm_dev;
+ struct drm_connector *connector;
+ struct intel_output *intel_output = NULL;
+
+ list_for_each_entry(connector,
+ &dev->mode_config.connector_list, head) {
+ if (to_intel_output(connector)->ddc_bus == chan) {
+ intel_output = to_intel_output(connector);
+ break;
+ }
+ }
+ return intel_output;
+}
+
+static int intel_sdvo_master_xfer(struct i2c_adapter *i2c_adap,
+ struct i2c_msg msgs[], int num)
+{
+ struct intel_output *intel_output;
+ struct intel_sdvo_priv *sdvo_priv;
+ struct i2c_algo_bit_data *algo_data;
+ struct i2c_algorithm *algo;
+
+ algo_data = (struct i2c_algo_bit_data *)i2c_adap->algo_data;
+ intel_output =
+ intel_sdvo_chan_to_intel_output(
+ (struct intel_i2c_chan *)(algo_data->data));
+ if (intel_output == NULL)
+ return -EINVAL;
+
+ sdvo_priv = intel_output->dev_priv;
+ algo = (struct i2c_algorithm *)intel_output->i2c_bus->adapter.algo;
+
+ intel_sdvo_set_control_bus_switch(intel_output, sdvo_priv->ddc_bus);
+ return algo->master_xfer(i2c_adap, msgs, num);
+}
+
+static struct i2c_algorithm intel_sdvo_i2c_bit_algo = {
+ .master_xfer = intel_sdvo_master_xfer,
+};
+
bool intel_sdvo_init(struct drm_device *dev, int output_device)
{
struct drm_connector *connector;
struct intel_output *intel_output;
struct intel_sdvo_priv *sdvo_priv;
struct intel_i2c_chan *i2cbus = NULL;
+ struct intel_i2c_chan *ddcbus = NULL;
int connector_type;
u8 ch[0x40];
int i;
@@ -1676,17 +1758,9 @@ bool intel_sdvo_init(struct drm_device *dev, int output_device)
return false;
}
- connector = &intel_output->base;
-
- drm_connector_init(dev, connector, &intel_sdvo_connector_funcs,
- DRM_MODE_CONNECTOR_Unknown);
- drm_connector_helper_add(connector, &intel_sdvo_connector_helper_funcs);
sdvo_priv = (struct intel_sdvo_priv *)(intel_output + 1);
intel_output->type = INTEL_OUTPUT_SDVO;
- connector->interlace_allowed = 0;
- connector->doublescan_allowed = 0;
-
/* setup the DDC bus. */
if (output_device == SDVOB)
i2cbus = intel_i2c_create(dev, GPIOE, "SDVOCTRL_E for SDVOB");
@@ -1694,7 +1768,7 @@ bool intel_sdvo_init(struct drm_device *dev, int output_device)
i2cbus = intel_i2c_create(dev, GPIOE, "SDVOCTRL_E for SDVOC");
if (!i2cbus)
- goto err_connector;
+ goto err_inteloutput;
sdvo_priv->i2c_bus = i2cbus;
@@ -1710,7 +1784,6 @@ bool intel_sdvo_init(struct drm_device *dev, int output_device)
intel_output->i2c_bus = i2cbus;
intel_output->dev_priv = sdvo_priv;
-
/* Read the regs to test if we can talk to the device */
for (i = 0; i < 0x40; i++) {
if (!intel_sdvo_read_byte(intel_output, i, &ch[i])) {
@@ -1720,6 +1793,22 @@ bool intel_sdvo_init(struct drm_device *dev, int output_device)
}
}
+ /* setup the DDC bus. */
+ if (output_device == SDVOB)
+ ddcbus = intel_i2c_create(dev, GPIOE, "SDVOB DDC BUS");
+ else
+ ddcbus = intel_i2c_create(dev, GPIOE, "SDVOC DDC BUS");
+
+ if (ddcbus == NULL)
+ goto err_i2c;
+
+ intel_sdvo_i2c_bit_algo.functionality =
+ intel_output->i2c_bus->adapter.algo->functionality;
+ ddcbus->adapter.algo = &intel_sdvo_i2c_bit_algo;
+ intel_output->ddc_bus = ddcbus;
+
+ /* In defaut case sdvo lvds is false */
+ sdvo_priv->is_lvds = false;
intel_sdvo_get_capabilities(intel_output, &sdvo_priv->caps);
if (sdvo_priv->caps.output_flags &
@@ -1729,7 +1818,6 @@ bool intel_sdvo_init(struct drm_device *dev, int output_device)
else
sdvo_priv->controlled_output = SDVO_OUTPUT_TMDS1;
- connector->display_info.subpixel_order = SubPixelHorizontalRGB;
encoder_type = DRM_MODE_ENCODER_TMDS;
connector_type = DRM_MODE_CONNECTOR_DVID;
@@ -1747,7 +1835,6 @@ bool intel_sdvo_init(struct drm_device *dev, int output_device)
else if (sdvo_priv->caps.output_flags & SDVO_OUTPUT_SVID0)
{
sdvo_priv->controlled_output = SDVO_OUTPUT_SVID0;
- connector->display_info.subpixel_order = SubPixelHorizontalRGB;
encoder_type = DRM_MODE_ENCODER_TVDAC;
connector_type = DRM_MODE_CONNECTOR_SVIDEO;
sdvo_priv->is_tv = true;
@@ -1756,30 +1843,28 @@ bool intel_sdvo_init(struct drm_device *dev, int output_device)
else if (sdvo_priv->caps.output_flags & SDVO_OUTPUT_RGB0)
{
sdvo_priv->controlled_output = SDVO_OUTPUT_RGB0;
- connector->display_info.subpixel_order = SubPixelHorizontalRGB;
encoder_type = DRM_MODE_ENCODER_DAC;
connector_type = DRM_MODE_CONNECTOR_VGA;
}
else if (sdvo_priv->caps.output_flags & SDVO_OUTPUT_RGB1)
{
sdvo_priv->controlled_output = SDVO_OUTPUT_RGB1;
- connector->display_info.subpixel_order = SubPixelHorizontalRGB;
encoder_type = DRM_MODE_ENCODER_DAC;
connector_type = DRM_MODE_CONNECTOR_VGA;
}
else if (sdvo_priv->caps.output_flags & SDVO_OUTPUT_LVDS0)
{
sdvo_priv->controlled_output = SDVO_OUTPUT_LVDS0;
- connector->display_info.subpixel_order = SubPixelHorizontalRGB;
encoder_type = DRM_MODE_ENCODER_LVDS;
connector_type = DRM_MODE_CONNECTOR_LVDS;
+ sdvo_priv->is_lvds = true;
}
else if (sdvo_priv->caps.output_flags & SDVO_OUTPUT_LVDS1)
{
sdvo_priv->controlled_output = SDVO_OUTPUT_LVDS1;
- connector->display_info.subpixel_order = SubPixelHorizontalRGB;
encoder_type = DRM_MODE_ENCODER_LVDS;
connector_type = DRM_MODE_CONNECTOR_LVDS;
+ sdvo_priv->is_lvds = true;
}
else
{
@@ -1795,9 +1880,16 @@ bool intel_sdvo_init(struct drm_device *dev, int output_device)
goto err_i2c;
}
+ connector = &intel_output->base;
+ drm_connector_init(dev, connector, &intel_sdvo_connector_funcs,
+ connector_type);
+ drm_connector_helper_add(connector, &intel_sdvo_connector_helper_funcs);
+ connector->interlace_allowed = 0;
+ connector->doublescan_allowed = 0;
+ connector->display_info.subpixel_order = SubPixelHorizontalRGB;
+
drm_encoder_init(dev, &intel_output->enc, &intel_sdvo_enc_funcs, encoder_type);
drm_encoder_helper_add(&intel_output->enc, &intel_sdvo_helper_funcs);
- connector->connector_type = connector_type;
drm_mode_connector_attach_encoder(&intel_output->base, &intel_output->enc);
drm_sysfs_connector_add(connector);
@@ -1829,14 +1921,13 @@ bool intel_sdvo_init(struct drm_device *dev, int output_device)
sdvo_priv->caps.output_flags &
(SDVO_OUTPUT_TMDS1 | SDVO_OUTPUT_RGB1) ? 'Y' : 'N');
- intel_output->ddc_bus = i2cbus;
-
return true;
err_i2c:
+ if (ddcbus != NULL)
+ intel_i2c_destroy(intel_output->ddc_bus);
intel_i2c_destroy(intel_output->i2c_bus);
-err_connector:
- drm_connector_cleanup(connector);
+err_inteloutput:
kfree(intel_output);
return false;
diff --git a/drivers/hwmon/lm78.c b/drivers/hwmon/lm78.c
index b5e3b2851698..a1787fdf5b9f 100644
--- a/drivers/hwmon/lm78.c
+++ b/drivers/hwmon/lm78.c
@@ -182,7 +182,7 @@ static struct platform_driver lm78_isa_driver = {
.name = "lm78",
},
.probe = lm78_isa_probe,
- .remove = lm78_isa_remove,
+ .remove = __devexit_p(lm78_isa_remove),
};
diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c
index 35dc38d3b2c5..6415a2e2ba87 100644
--- a/drivers/ide/ide-io.c
+++ b/drivers/ide/ide-io.c
@@ -696,7 +696,7 @@ void ide_timer_expiry (unsigned long data)
}
spin_lock_irq(&hwif->lock);
enable_irq(hwif->irq);
- if (startstop == ide_stopped) {
+ if (startstop == ide_stopped && hwif->polling == 0) {
ide_unlock_port(hwif);
plug_device = 1;
}
@@ -868,7 +868,7 @@ irqreturn_t ide_intr (int irq, void *dev_id)
* same irq as is currently being serviced here, and Linux
* won't allow another of the same (on any CPU) until we return.
*/
- if (startstop == ide_stopped) {
+ if (startstop == ide_stopped && hwif->polling == 0) {
BUG_ON(hwif->handler);
ide_unlock_port(hwif);
plug_device = 1;
diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c
index c19a221b1e18..06fe002116ec 100644
--- a/drivers/ide/ide-iops.c
+++ b/drivers/ide/ide-iops.c
@@ -206,8 +206,6 @@ EXPORT_SYMBOL_GPL(ide_in_drive_list);
/*
* Early UDMA66 devices don't set bit14 to 1, only bit13 is valid.
- * We list them here and depend on the device side cable detection for them.
- *
* Some optical devices with the buggy firmwares have the same problem.
*/
static const struct drive_list_entry ivb_list[] = {
@@ -251,10 +249,25 @@ u8 eighty_ninty_three(ide_drive_t *drive)
* - force bit13 (80c cable present) check also for !ivb devices
* (unless the slave device is pre-ATA3)
*/
- if ((id[ATA_ID_HW_CONFIG] & 0x4000) ||
- (ivb && (id[ATA_ID_HW_CONFIG] & 0x2000)))
+ if (id[ATA_ID_HW_CONFIG] & 0x4000)
return 1;
+ if (ivb) {
+ const char *model = (char *)&id[ATA_ID_PROD];
+
+ if (strstr(model, "TSSTcorp CDDVDW SH-S202")) {
+ /*
+ * These ATAPI devices always report 80c cable
+ * so we have to depend on the host in this case.
+ */
+ if (hwif->cbl == ATA_CBL_PATA80)
+ return 1;
+ } else {
+ /* Depend on the device side cable detection. */
+ if (id[ATA_ID_HW_CONFIG] & 0x2000)
+ return 1;
+ }
+ }
no_80w:
if (drive->dev_flags & IDE_DFLAG_UDMA33_WARNED)
return 0;
diff --git a/drivers/ide/ide-lib.c b/drivers/ide/ide-lib.c
index 56ff8c46c7d1..2148df836ce7 100644
--- a/drivers/ide/ide-lib.c
+++ b/drivers/ide/ide-lib.c
@@ -31,24 +31,6 @@ void ide_toggle_bounce(ide_drive_t *drive, int on)
blk_queue_bounce_limit(drive->queue, addr);
}
-static void ide_dump_opcode(ide_drive_t *drive)
-{
- struct request *rq = drive->hwif->rq;
- struct ide_cmd *cmd = NULL;
-
- if (!rq)
- return;
-
- if (rq->cmd_type == REQ_TYPE_ATA_TASKFILE)
- cmd = rq->special;
-
- printk(KERN_ERR "ide: failed opcode was: ");
- if (cmd == NULL)
- printk(KERN_CONT "unknown\n");
- else
- printk(KERN_CONT "0x%02x\n", cmd->tf.command);
-}
-
u64 ide_get_lba_addr(struct ide_cmd *cmd, int lba48)
{
struct ide_taskfile *tf = &cmd->tf;
@@ -91,7 +73,7 @@ static void ide_dump_sector(ide_drive_t *drive)
static void ide_dump_ata_error(ide_drive_t *drive, u8 err)
{
- printk(KERN_ERR "{ ");
+ printk(KERN_CONT "{ ");
if (err & ATA_ABORTED)
printk(KERN_CONT "DriveStatusError ");
if (err & ATA_ICRC)
@@ -121,7 +103,7 @@ static void ide_dump_ata_error(ide_drive_t *drive, u8 err)
static void ide_dump_atapi_error(ide_drive_t *drive, u8 err)
{
- printk(KERN_ERR "{ ");
+ printk(KERN_CONT "{ ");
if (err & ATAPI_ILI)
printk(KERN_CONT "IllegalLengthIndication ");
if (err & ATAPI_EOM)
@@ -179,7 +161,10 @@ u8 ide_dump_status(ide_drive_t *drive, const char *msg, u8 stat)
else
ide_dump_atapi_error(drive, err);
}
- ide_dump_opcode(drive);
+
+ printk(KERN_ERR "%s: possibly failed opcode: 0x%02x\n",
+ drive->name, drive->hwif->cmd.tf.command);
+
return err;
}
EXPORT_SYMBOL(ide_dump_status);
diff --git a/drivers/ide/ide-pci-generic.c b/drivers/ide/ide-pci-generic.c
index 61111fd27130..39d4e01f5c9c 100644
--- a/drivers/ide/ide-pci-generic.c
+++ b/drivers/ide/ide-pci-generic.c
@@ -33,6 +33,16 @@ static int ide_generic_all; /* Set to claim all devices */
module_param_named(all_generic_ide, ide_generic_all, bool, 0444);
MODULE_PARM_DESC(all_generic_ide, "IDE generic will claim all unknown PCI IDE storage controllers.");
+static void netcell_quirkproc(ide_drive_t *drive)
+{
+ /* mark words 85-87 as valid */
+ drive->id[ATA_ID_CSF_DEFAULT] |= 0x4000;
+}
+
+static const struct ide_port_ops netcell_port_ops = {
+ .quirkproc = netcell_quirkproc,
+};
+
#define DECLARE_GENERIC_PCI_DEV(extra_flags) \
{ \
.name = DRV_NAME, \
@@ -74,6 +84,7 @@ static const struct ide_port_info generic_chipsets[] __devinitdata = {
{ /* 6: Revolution */
.name = DRV_NAME,
+ .port_ops = &netcell_port_ops,
.host_flags = IDE_HFLAG_CLEAR_SIMPLEX |
IDE_HFLAG_TRUST_BIOS_FOR_DMA |
IDE_HFLAG_OFF_BOARD,
diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c
index 7f264ed1141b..c895ed52b2e8 100644
--- a/drivers/ide/ide-probe.c
+++ b/drivers/ide/ide-probe.c
@@ -295,7 +295,7 @@ int ide_dev_read_id(ide_drive_t *drive, u8 cmd, u16 *id)
timeout = ((cmd == ATA_CMD_ID_ATA) ? WAIT_WORSTCASE : WAIT_PIDENTIFY) / 2;
- if (ide_busy_sleep(hwif, timeout, use_altstatus))
+ if (ide_busy_sleep(drive, timeout, use_altstatus))
return 1;
/* wait for IRQ and ATA_DRQ */
@@ -316,8 +316,9 @@ int ide_dev_read_id(ide_drive_t *drive, u8 cmd, u16 *id)
return rc;
}
-int ide_busy_sleep(ide_hwif_t *hwif, unsigned long timeout, int altstatus)
+int ide_busy_sleep(ide_drive_t *drive, unsigned long timeout, int altstatus)
{
+ ide_hwif_t *hwif = drive->hwif;
u8 stat;
timeout += jiffies;
@@ -330,6 +331,8 @@ int ide_busy_sleep(ide_hwif_t *hwif, unsigned long timeout, int altstatus)
return 0;
} while (time_before(jiffies, timeout));
+ printk(KERN_ERR "%s: timeout in %s\n", drive->name, __func__);
+
return 1; /* drive timed-out */
}
@@ -420,7 +423,7 @@ static int do_probe (ide_drive_t *drive, u8 cmd)
tp_ops->dev_select(drive);
msleep(50);
tp_ops->exec_command(hwif, ATA_CMD_DEV_RESET);
- (void)ide_busy_sleep(hwif, WAIT_WORSTCASE, 0);
+ (void)ide_busy_sleep(drive, WAIT_WORSTCASE, 0);
rc = ide_dev_read_id(drive, cmd, id);
}
diff --git a/drivers/ide/via82cxxx.c b/drivers/ide/via82cxxx.c
index 3ff7231e4858..028de26a25fe 100644
--- a/drivers/ide/via82cxxx.c
+++ b/drivers/ide/via82cxxx.c
@@ -67,6 +67,7 @@ static struct via_isa_bridge {
u8 udma_mask;
u8 flags;
} via_isa_bridges[] = {
+ { "vx855", PCI_DEVICE_ID_VIA_VX855, 0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST },
{ "vx800", PCI_DEVICE_ID_VIA_VX800, 0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST },
{ "cx700", PCI_DEVICE_ID_VIA_CX700, 0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST },
{ "vt8237s", PCI_DEVICE_ID_VIA_8237S, 0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST },
@@ -474,6 +475,7 @@ static const struct pci_device_id via_pci_tbl[] = {
{ PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_82C576_1), 0 },
{ PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_82C586_1), 0 },
{ PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_CX700_IDE), 0 },
+ { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_VX855_IDE), 0 },
{ PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_6410), 1 },
{ PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_SATA_EIDE), 1 },
{ 0, },
diff --git a/drivers/idle/i7300_idle.c b/drivers/idle/i7300_idle.c
index bf740394d704..949c97ff57e3 100644
--- a/drivers/idle/i7300_idle.c
+++ b/drivers/idle/i7300_idle.c
@@ -41,6 +41,10 @@ static int debug;
module_param_named(debug, debug, uint, 0644);
MODULE_PARM_DESC(debug, "Enable debug printks in this driver");
+static int forceload;
+module_param_named(forceload, forceload, uint, 0644);
+MODULE_PARM_DESC(debug, "Enable driver testing on unvalidated i5000");
+
#define dprintk(fmt, arg...) \
do { if (debug) printk(KERN_INFO I7300_PRINT fmt, ##arg); } while (0)
@@ -552,7 +556,7 @@ static int __init i7300_idle_init(void)
cpus_clear(idle_cpumask);
total_us = 0;
- if (i7300_idle_platform_probe(&fbd_dev, &ioat_dev))
+ if (i7300_idle_platform_probe(&fbd_dev, &ioat_dev, forceload))
return -ENODEV;
if (i7300_idle_thrt_save())
diff --git a/drivers/input/input.c b/drivers/input/input.c
index e54e002665b0..5d445f48789b 100644
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -42,6 +42,7 @@ static unsigned int input_abs_bypass_init_data[] __initdata = {
ABS_MT_POSITION_Y,
ABS_MT_TOOL_TYPE,
ABS_MT_BLOB_ID,
+ ABS_MT_TRACKING_ID,
0
};
static unsigned long input_abs_bypass[BITS_TO_LONGS(ABS_CNT)];
diff --git a/drivers/input/serio/ambakmi.c b/drivers/input/serio/ambakmi.c
index e29cdc13a199..a28c06d686e1 100644
--- a/drivers/input/serio/ambakmi.c
+++ b/drivers/input/serio/ambakmi.c
@@ -107,7 +107,7 @@ static void amba_kmi_close(struct serio *io)
clk_disable(kmi->clk);
}
-static int amba_kmi_probe(struct amba_device *dev, void *id)
+static int amba_kmi_probe(struct amba_device *dev, struct amba_id *id)
{
struct amba_kmi_port *kmi;
struct serio *io;
diff --git a/drivers/input/serio/libps2.c b/drivers/input/serio/libps2.c
index 67248c31e19a..be5bbbb8ae4e 100644
--- a/drivers/input/serio/libps2.c
+++ b/drivers/input/serio/libps2.c
@@ -210,7 +210,7 @@ int ps2_command(struct ps2dev *ps2dev, unsigned char *param, int command)
timeout = wait_event_timeout(ps2dev->wait,
!(ps2dev->flags & PS2_FLAG_CMD1), timeout);
- if (ps2dev->cmdcnt && timeout > 0) {
+ if (ps2dev->cmdcnt && !(ps2dev->flags & PS2_FLAG_CMD1)) {
timeout = ps2_adjust_timeout(ps2dev, command, timeout);
wait_event_timeout(ps2dev->wait,
diff --git a/drivers/input/touchscreen/ucb1400_ts.c b/drivers/input/touchscreen/ucb1400_ts.c
index f100c7f4c1db..6954f5500108 100644
--- a/drivers/input/touchscreen/ucb1400_ts.c
+++ b/drivers/input/touchscreen/ucb1400_ts.c
@@ -419,7 +419,7 @@ static int ucb1400_ts_remove(struct platform_device *dev)
#ifdef CONFIG_PM
static int ucb1400_ts_resume(struct platform_device *dev)
{
- struct ucb1400_ts *ucb = platform_get_drvdata(dev);
+ struct ucb1400_ts *ucb = dev->dev.platform_data;
if (ucb->ts_task) {
/*
diff --git a/drivers/lguest/x86/core.c b/drivers/lguest/x86/core.c
index 1a83910f674f..eaf722fe309a 100644
--- a/drivers/lguest/x86/core.c
+++ b/drivers/lguest/x86/core.c
@@ -358,6 +358,16 @@ void lguest_arch_handle_trap(struct lg_cpu *cpu)
if (emulate_insn(cpu))
return;
}
+ /* If KVM is active, the vmcall instruction triggers a
+ * General Protection Fault. Normally it triggers an
+ * invalid opcode fault (6): */
+ case 6:
+ /* We need to check if ring == GUEST_PL and
+ * faulting instruction == vmcall. */
+ if (is_hypercall(cpu)) {
+ rewrite_hypercall(cpu);
+ return;
+ }
break;
case 14: /* We've intercepted a Page Fault. */
/* The Guest accessed a virtual address that wasn't mapped.
@@ -403,15 +413,6 @@ void lguest_arch_handle_trap(struct lg_cpu *cpu)
* up the pointer now to indicate a hypercall is pending. */
cpu->hcall = (struct hcall_args *)cpu->regs;
return;
- case 6:
- /* kvm hypercalls trigger an invalid opcode fault (6).
- * We need to check if ring == GUEST_PL and
- * faulting instruction == vmcall. */
- if (is_hypercall(cpu)) {
- rewrite_hypercall(cpu);
- return;
- }
- break;
}
/* We didn't handle the trap, so it needs to go to the Guest. */
diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c
index 47c68bc75a17..56df1cee8fb3 100644
--- a/drivers/md/bitmap.c
+++ b/drivers/md/bitmap.c
@@ -1097,14 +1097,12 @@ void bitmap_daemon_work(struct bitmap *bitmap)
}
bitmap->allclean = 1;
+ spin_lock_irqsave(&bitmap->lock, flags);
for (j = 0; j < bitmap->chunks; j++) {
bitmap_counter_t *bmc;
- spin_lock_irqsave(&bitmap->lock, flags);
- if (!bitmap->filemap) {
+ if (!bitmap->filemap)
/* error or shutdown */
- spin_unlock_irqrestore(&bitmap->lock, flags);
break;
- }
page = filemap_get_page(bitmap, j);
@@ -1121,6 +1119,8 @@ void bitmap_daemon_work(struct bitmap *bitmap)
write_page(bitmap, page, 0);
bitmap->allclean = 0;
}
+ spin_lock_irqsave(&bitmap->lock, flags);
+ j |= (PAGE_BITS - 1);
continue;
}
@@ -1181,9 +1181,10 @@ void bitmap_daemon_work(struct bitmap *bitmap)
ext2_clear_bit(file_page_offset(j), paddr);
kunmap_atomic(paddr, KM_USER0);
}
- }
- spin_unlock_irqrestore(&bitmap->lock, flags);
+ } else
+ j |= PAGE_COUNTER_MASK;
}
+ spin_unlock_irqrestore(&bitmap->lock, flags);
/* now sync the final page */
if (lastpage != NULL) {
diff --git a/drivers/md/md.c b/drivers/md/md.c
index fccc8343a250..641b211fe3fe 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -1375,6 +1375,9 @@ static void super_1_sync(mddev_t *mddev, mdk_rdev_t *rdev)
sb->raid_disks = cpu_to_le32(mddev->raid_disks);
sb->size = cpu_to_le64(mddev->dev_sectors);
+ sb->chunksize = cpu_to_le32(mddev->chunk_size >> 9);
+ sb->level = cpu_to_le32(mddev->level);
+ sb->layout = cpu_to_le32(mddev->layout);
if (mddev->bitmap && mddev->bitmap_file == NULL) {
sb->bitmap_offset = cpu_to_le32((__u32)mddev->bitmap_offset);
@@ -3303,7 +3306,9 @@ static ssize_t
action_show(mddev_t *mddev, char *page)
{
char *type = "idle";
- if (test_bit(MD_RECOVERY_RUNNING, &mddev->recovery) ||
+ if (test_bit(MD_RECOVERY_FROZEN, &mddev->recovery))
+ type = "frozen";
+ else if (test_bit(MD_RECOVERY_RUNNING, &mddev->recovery) ||
(!mddev->ro && test_bit(MD_RECOVERY_NEEDED, &mddev->recovery))) {
if (test_bit(MD_RECOVERY_RESHAPE, &mddev->recovery))
type = "reshape";
@@ -3326,7 +3331,12 @@ action_store(mddev_t *mddev, const char *page, size_t len)
if (!mddev->pers || !mddev->pers->sync_request)
return -EINVAL;
- if (cmd_match(page, "idle")) {
+ if (cmd_match(page, "frozen"))
+ set_bit(MD_RECOVERY_FROZEN, &mddev->recovery);
+ else
+ clear_bit(MD_RECOVERY_FROZEN, &mddev->recovery);
+
+ if (cmd_match(page, "idle") || cmd_match(page, "frozen")) {
if (mddev->sync_thread) {
set_bit(MD_RECOVERY_INTR, &mddev->recovery);
md_unregister_thread(mddev->sync_thread);
@@ -3680,7 +3690,7 @@ array_size_store(mddev_t *mddev, const char *buf, size_t len)
if (strict_blocks_to_sectors(buf, &sectors) < 0)
return -EINVAL;
if (mddev->pers && mddev->pers->size(mddev, 0, 0) < sectors)
- return -EINVAL;
+ return -E2BIG;
mddev->external_size = 1;
}
@@ -5557,7 +5567,7 @@ static struct block_device_operations md_fops =
.owner = THIS_MODULE,
.open = md_open,
.release = md_release,
- .locked_ioctl = md_ioctl,
+ .ioctl = md_ioctl,
.getgeo = md_getgeo,
.media_changed = md_media_changed,
.revalidate_disk= md_revalidate,
@@ -6352,12 +6362,13 @@ void md_do_sync(mddev_t *mddev)
skipped = 0;
- if ((mddev->curr_resync > mddev->curr_resync_completed &&
- (mddev->curr_resync - mddev->curr_resync_completed)
- > (max_sectors >> 4)) ||
- (j - mddev->curr_resync_completed)*2
- >= mddev->resync_max - mddev->curr_resync_completed
- ) {
+ if (!test_bit(MD_RECOVERY_RESHAPE, &mddev->recovery) &&
+ ((mddev->curr_resync > mddev->curr_resync_completed &&
+ (mddev->curr_resync - mddev->curr_resync_completed)
+ > (max_sectors >> 4)) ||
+ (j - mddev->curr_resync_completed)*2
+ >= mddev->resync_max - mddev->curr_resync_completed
+ )) {
/* time to update curr_resync_completed */
blk_unplug(mddev->queue);
wait_event(mddev->recovery_wait,
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 4616bc3a6e71..5d400aef8d9b 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -3811,13 +3811,13 @@ static sector_t reshape_request(mddev_t *mddev, sector_t sector_nr, int *skipped
safepos = conf->reshape_safe;
sector_div(safepos, data_disks);
if (mddev->delta_disks < 0) {
- writepos -= reshape_sectors;
+ writepos -= min_t(sector_t, reshape_sectors, writepos);
readpos += reshape_sectors;
safepos += reshape_sectors;
} else {
writepos += reshape_sectors;
- readpos -= reshape_sectors;
- safepos -= reshape_sectors;
+ readpos -= min_t(sector_t, reshape_sectors, readpos);
+ safepos -= min_t(sector_t, reshape_sectors, safepos);
}
/* 'writepos' is the most advanced device address we might write.
diff --git a/drivers/mfd/pcf50633-core.c b/drivers/mfd/pcf50633-core.c
index 7793932a513b..11a6248cc1c1 100644
--- a/drivers/mfd/pcf50633-core.c
+++ b/drivers/mfd/pcf50633-core.c
@@ -443,7 +443,7 @@ static irqreturn_t pcf50633_irq(int irq, void *data)
dev_dbg(pcf->dev, "pcf50633_irq\n");
get_device(pcf->dev);
- disable_irq(pcf->irq);
+ disable_irq_nosync(pcf->irq);
schedule_work(&pcf->irq_work);
return IRQ_HANDLED;
diff --git a/drivers/mfd/wm8350-core.c b/drivers/mfd/wm8350-core.c
index c2be3088e2e1..fe24079387c5 100644
--- a/drivers/mfd/wm8350-core.c
+++ b/drivers/mfd/wm8350-core.c
@@ -79,10 +79,6 @@ static int wm8350_phys_read(struct wm8350 *wm8350, u8 reg, int num_regs,
/* Cache is CPU endian */
dest[i - reg] = be16_to_cpu(dest[i - reg]);
- /* Satisfy non-volatile bits from cache */
- dest[i - reg] &= wm8350_reg_io_map[i].vol;
- dest[i - reg] |= wm8350->reg_cache[i];
-
/* Mask out non-readable bits */
dest[i - reg] &= wm8350_reg_io_map[i].readable;
}
@@ -182,9 +178,6 @@ static int wm8350_write(struct wm8350 *wm8350, u8 reg, int num_regs, u16 *src)
(wm8350->reg_cache[i] & ~wm8350_reg_io_map[i].writable)
| src[i - reg];
- /* Don't store volatile bits */
- wm8350->reg_cache[i] &= ~wm8350_reg_io_map[i].vol;
-
src[i - reg] = cpu_to_be16(src[i - reg]);
}
@@ -1261,7 +1254,6 @@ static int wm8350_create_cache(struct wm8350 *wm8350, int type, int mode)
(i < WM8350_CLOCK_CONTROL_1 || i > WM8350_AIF_TEST)) {
value = be16_to_cpu(wm8350->reg_cache[i]);
value &= wm8350_reg_io_map[i].readable;
- value &= ~wm8350_reg_io_map[i].vol;
wm8350->reg_cache[i] = value;
} else
wm8350->reg_cache[i] = reg_map[i];
diff --git a/drivers/misc/enclosure.c b/drivers/misc/enclosure.c
index 3cf61ece71d7..348443bdb23b 100644
--- a/drivers/misc/enclosure.c
+++ b/drivers/misc/enclosure.c
@@ -119,7 +119,7 @@ enclosure_register(struct device *dev, const char *name, int components,
edev->edev.class = &enclosure_class;
edev->edev.parent = get_device(dev);
edev->cb = cb;
- dev_set_name(&edev->edev, name);
+ dev_set_name(&edev->edev, "%s", name);
err = device_register(&edev->edev);
if (err)
goto err;
@@ -255,8 +255,8 @@ enclosure_component_register(struct enclosure_device *edev,
ecomp->number = number;
cdev = &ecomp->cdev;
cdev->parent = get_device(&edev->edev);
- if (name)
- dev_set_name(cdev, name);
+ if (name && name[0])
+ dev_set_name(cdev, "%s", name);
else
dev_set_name(cdev, "%u", number);
diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c
index 36875dcfa492..7d4febdab286 100644
--- a/drivers/mmc/host/mmci.c
+++ b/drivers/mmc/host/mmci.c
@@ -490,7 +490,7 @@ static void mmci_check_status(unsigned long data)
mod_timer(&host->timer, jiffies + HZ);
}
-static int __devinit mmci_probe(struct amba_device *dev, void *id)
+static int __devinit mmci_probe(struct amba_device *dev, struct amba_id *id)
{
struct mmc_platform_data *plat = dev->dev.platform_data;
struct mmci_host *host;
diff --git a/drivers/mtd/devices/mtd_dataflash.c b/drivers/mtd/devices/mtd_dataflash.c
index 62dee54af0a5..43976aa4dbb1 100644
--- a/drivers/mtd/devices/mtd_dataflash.c
+++ b/drivers/mtd/devices/mtd_dataflash.c
@@ -178,7 +178,7 @@ static int dataflash_erase(struct mtd_info *mtd, struct erase_info *instr)
/* Calculate flash page address; use block erase (for speed) if
* we're at a block boundary and need to erase the whole block.
*/
- pageaddr = div_u64(instr->len, priv->page_size);
+ pageaddr = div_u64(instr->addr, priv->page_size);
do_block = (pageaddr & 0x7) == 0 && instr->len >= blocksize;
pageaddr = pageaddr << priv->page_offset;
diff --git a/drivers/mtd/nand/mxc_nand.c b/drivers/mtd/nand/mxc_nand.c
index f3548d048014..40c26080ecda 100644
--- a/drivers/mtd/nand/mxc_nand.c
+++ b/drivers/mtd/nand/mxc_nand.c
@@ -831,6 +831,7 @@ static void mxc_nand_command(struct mtd_info *mtd, unsigned command,
break;
case NAND_CMD_READID:
+ host->col_addr = 0;
send_read_id(host);
break;
@@ -867,6 +868,7 @@ static int __init mxcnd_probe(struct platform_device *pdev)
mtd->priv = this;
mtd->owner = THIS_MODULE;
mtd->dev.parent = &pdev->dev;
+ mtd->name = "mxc_nand";
/* 50 us command delay time */
this->chip_delay = 5;
@@ -882,8 +884,10 @@ static int __init mxcnd_probe(struct platform_device *pdev)
this->verify_buf = mxc_nand_verify_buf;
host->clk = clk_get(&pdev->dev, "nfc");
- if (IS_ERR(host->clk))
+ if (IS_ERR(host->clk)) {
+ err = PTR_ERR(host->clk);
goto eclk;
+ }
clk_enable(host->clk);
host->clk_act = 1;
@@ -896,7 +900,7 @@ static int __init mxcnd_probe(struct platform_device *pdev)
host->regs = ioremap(res->start, res->end - res->start + 1);
if (!host->regs) {
- err = -EIO;
+ err = -ENOMEM;
goto eres;
}
@@ -1011,30 +1015,35 @@ static int __devexit mxcnd_remove(struct platform_device *pdev)
#ifdef CONFIG_PM
static int mxcnd_suspend(struct platform_device *pdev, pm_message_t state)
{
- struct mtd_info *info = platform_get_drvdata(pdev);
+ struct mtd_info *mtd = platform_get_drvdata(pdev);
+ struct nand_chip *nand_chip = mtd->priv;
+ struct mxc_nand_host *host = nand_chip->priv;
int ret = 0;
DEBUG(MTD_DEBUG_LEVEL0, "MXC_ND : NAND suspend\n");
- if (info)
- ret = info->suspend(info);
-
- /* Disable the NFC clock */
- clk_disable(nfc_clk); /* FIXME */
+ if (mtd) {
+ ret = mtd->suspend(mtd);
+ /* Disable the NFC clock */
+ clk_disable(host->clk);
+ }
return ret;
}
static int mxcnd_resume(struct platform_device *pdev)
{
- struct mtd_info *info = platform_get_drvdata(pdev);
+ struct mtd_info *mtd = platform_get_drvdata(pdev);
+ struct nand_chip *nand_chip = mtd->priv;
+ struct mxc_nand_host *host = nand_chip->priv;
int ret = 0;
DEBUG(MTD_DEBUG_LEVEL0, "MXC_ND : NAND resume\n");
- /* Enable the NFC clock */
- clk_enable(nfc_clk); /* FIXME */
- if (info)
- info->resume(info);
+ if (mtd) {
+ /* Enable the NFC clock */
+ clk_enable(host->clk);
+ mtd->resume(mtd);
+ }
return ret;
}
@@ -1055,13 +1064,7 @@ static struct platform_driver mxcnd_driver = {
static int __init mxc_nd_init(void)
{
- /* Register the device driver structure. */
- pr_info("MXC MTD nand Driver\n");
- if (platform_driver_probe(&mxcnd_driver, mxcnd_probe) != 0) {
- printk(KERN_ERR "Driver register failed for mxcnd_driver\n");
- return -ENODEV;
- }
- return 0;
+ return platform_driver_probe(&mxcnd_driver, mxcnd_probe);
}
static void __exit mxc_nd_cleanup(void)
diff --git a/drivers/oprofile/cpu_buffer.c b/drivers/oprofile/cpu_buffer.c
index f0e99d4c066b..242257b19441 100644
--- a/drivers/oprofile/cpu_buffer.c
+++ b/drivers/oprofile/cpu_buffer.c
@@ -78,16 +78,20 @@ void free_cpu_buffers(void)
op_ring_buffer_write = NULL;
}
+#define RB_EVENT_HDR_SIZE 4
+
int alloc_cpu_buffers(void)
{
int i;
unsigned long buffer_size = oprofile_cpu_buffer_size;
+ unsigned long byte_size = buffer_size * (sizeof(struct op_sample) +
+ RB_EVENT_HDR_SIZE);
- op_ring_buffer_read = ring_buffer_alloc(buffer_size, OP_BUFFER_FLAGS);
+ op_ring_buffer_read = ring_buffer_alloc(byte_size, OP_BUFFER_FLAGS);
if (!op_ring_buffer_read)
goto fail;
- op_ring_buffer_write = ring_buffer_alloc(buffer_size, OP_BUFFER_FLAGS);
+ op_ring_buffer_write = ring_buffer_alloc(byte_size, OP_BUFFER_FLAGS);
if (!op_ring_buffer_write)
goto fail;
diff --git a/drivers/parport/parport_gsc.c b/drivers/parport/parport_gsc.c
index e6a7e847ee80..ea31a452b153 100644
--- a/drivers/parport/parport_gsc.c
+++ b/drivers/parport/parport_gsc.c
@@ -352,8 +352,8 @@ static int __devinit parport_init_chip(struct parisc_device *dev)
unsigned long port;
if (!dev->irq) {
- printk(KERN_WARNING "IRQ not found for parallel device at 0x%lx\n",
- dev->hpa.start);
+ printk(KERN_WARNING "IRQ not found for parallel device at 0x%llx\n",
+ (unsigned long long)dev->hpa.start);
return -ENODEV;
}
diff --git a/drivers/pci/hotplug/acpiphp.h b/drivers/pci/hotplug/acpiphp.h
index 4fc168b70095..e68d5f20ffb3 100644
--- a/drivers/pci/hotplug/acpiphp.h
+++ b/drivers/pci/hotplug/acpiphp.h
@@ -129,7 +129,6 @@ struct acpiphp_func {
struct acpiphp_bridge *bridge; /* Ejectable PCI-to-PCI bridge */
struct list_head sibling;
- struct pci_dev *pci_dev;
struct notifier_block nb;
acpi_handle handle;
diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c
index a33794d9e0dc..3a6064bce561 100644
--- a/drivers/pci/hotplug/acpiphp_glue.c
+++ b/drivers/pci/hotplug/acpiphp_glue.c
@@ -32,9 +32,6 @@
/*
* Lifetime rules for pci_dev:
- * - The one in acpiphp_func has its refcount elevated by pci_get_slot()
- * when the driver is loaded or when an insertion event occurs. It loses
- * a refcount when its ejected or the driver unloads.
* - The one in acpiphp_bridge has its refcount elevated by pci_get_slot()
* when the bridge is scanned and it loses a refcount when the bridge
* is removed.
@@ -130,6 +127,7 @@ register_slot(acpi_handle handle, u32 lvl, void *context, void **rv)
unsigned long long adr, sun;
int device, function, retval;
struct pci_bus *pbus = bridge->pci_bus;
+ struct pci_dev *pdev;
if (!acpi_pci_check_ejectable(pbus, handle) && !is_dock_device(handle))
return AE_OK;
@@ -213,10 +211,10 @@ register_slot(acpi_handle handle, u32 lvl, void *context, void **rv)
newfunc->slot = slot;
list_add_tail(&newfunc->sibling, &slot->funcs);
- /* associate corresponding pci_dev */
- newfunc->pci_dev = pci_get_slot(pbus, PCI_DEVFN(device, function));
- if (newfunc->pci_dev) {
+ pdev = pci_get_slot(pbus, PCI_DEVFN(device, function));
+ if (pdev) {
slot->flags |= (SLOT_ENABLED | SLOT_POWEREDON);
+ pci_dev_put(pdev);
}
if (is_dock_device(handle)) {
@@ -617,7 +615,6 @@ static void cleanup_bridge(struct acpiphp_bridge *bridge)
if (ACPI_FAILURE(status))
err("failed to remove notify handler\n");
}
- pci_dev_put(func->pci_dev);
list_del(list);
kfree(func);
}
@@ -1101,22 +1098,24 @@ static int __ref enable_device(struct acpiphp_slot *slot)
pci_enable_bridges(bus);
pci_bus_add_devices(bus);
- /* associate pci_dev to our representation */
list_for_each (l, &slot->funcs) {
func = list_entry(l, struct acpiphp_func, sibling);
- func->pci_dev = pci_get_slot(bus, PCI_DEVFN(slot->device,
- func->function));
- if (!func->pci_dev)
+ dev = pci_get_slot(bus, PCI_DEVFN(slot->device,
+ func->function));
+ if (!dev)
continue;
- if (func->pci_dev->hdr_type != PCI_HEADER_TYPE_BRIDGE &&
- func->pci_dev->hdr_type != PCI_HEADER_TYPE_CARDBUS)
+ if (dev->hdr_type != PCI_HEADER_TYPE_BRIDGE &&
+ dev->hdr_type != PCI_HEADER_TYPE_CARDBUS) {
+ pci_dev_put(dev);
continue;
+ }
status = find_p2p_bridge(func->handle, (u32)1, bus, NULL);
if (ACPI_FAILURE(status))
warn("find_p2p_bridge failed (error code = 0x%x)\n",
status);
+ pci_dev_put(dev);
}
slot->flags |= SLOT_ENABLED;
@@ -1142,17 +1141,14 @@ static void disable_bridges(struct pci_bus *bus)
*/
static int disable_device(struct acpiphp_slot *slot)
{
- int retval = 0;
struct acpiphp_func *func;
- struct list_head *l;
+ struct pci_dev *pdev;
/* is this slot already disabled? */
if (!(slot->flags & SLOT_ENABLED))
goto err_exit;
- list_for_each (l, &slot->funcs) {
- func = list_entry(l, struct acpiphp_func, sibling);
-
+ list_for_each_entry(func, &slot->funcs, sibling) {
if (func->bridge) {
/* cleanup p2p bridges under this P2P bridge */
cleanup_p2p_bridge(func->bridge->handle,
@@ -1160,35 +1156,28 @@ static int disable_device(struct acpiphp_slot *slot)
func->bridge = NULL;
}
- if (func->pci_dev) {
- pci_stop_bus_device(func->pci_dev);
- if (func->pci_dev->subordinate) {
- disable_bridges(func->pci_dev->subordinate);
- pci_disable_device(func->pci_dev);
+ pdev = pci_get_slot(slot->bridge->pci_bus,
+ PCI_DEVFN(slot->device, func->function));
+ if (pdev) {
+ pci_stop_bus_device(pdev);
+ if (pdev->subordinate) {
+ disable_bridges(pdev->subordinate);
+ pci_disable_device(pdev);
}
+ pci_remove_bus_device(pdev);
+ pci_dev_put(pdev);
}
}
- list_for_each (l, &slot->funcs) {
- func = list_entry(l, struct acpiphp_func, sibling);
-
+ list_for_each_entry(func, &slot->funcs, sibling) {
acpiphp_unconfigure_ioapics(func->handle);
acpiphp_bus_trim(func->handle);
- /* try to remove anyway.
- * acpiphp_bus_add might have been failed */
-
- if (!func->pci_dev)
- continue;
-
- pci_remove_bus_device(func->pci_dev);
- pci_dev_put(func->pci_dev);
- func->pci_dev = NULL;
}
slot->flags &= (~SLOT_ENABLED);
- err_exit:
- return retval;
+err_exit:
+ return 0;
}
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 34bf0fdf5047..1a91bf9687af 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -557,7 +557,8 @@ static int pci_platform_power_transition(struct pci_dev *dev, pci_power_t state)
} else {
error = -ENODEV;
/* Fall back to PCI_D0 if native PM is not supported */
- pci_update_current_state(dev, PCI_D0);
+ if (!dev->pm_cap)
+ dev->current_state = PCI_D0;
}
return error;
diff --git a/drivers/regulator/da903x.c b/drivers/regulator/da903x.c
index 72b15495183c..c6628f5a0af7 100644
--- a/drivers/regulator/da903x.c
+++ b/drivers/regulator/da903x.c
@@ -497,7 +497,7 @@ static struct platform_driver da903x_regulator_driver = {
.owner = THIS_MODULE,
},
.probe = da903x_regulator_probe,
- .remove = da903x_regulator_remove,
+ .remove = __devexit_p(da903x_regulator_remove),
};
static int __init da903x_regulator_init(void)
diff --git a/drivers/rtc/rtc-pl030.c b/drivers/rtc/rtc-pl030.c
index 826153552157..aaf1f75fa293 100644
--- a/drivers/rtc/rtc-pl030.c
+++ b/drivers/rtc/rtc-pl030.c
@@ -102,7 +102,7 @@ static const struct rtc_class_ops pl030_ops = {
.set_alarm = pl030_set_alarm,
};
-static int pl030_probe(struct amba_device *dev, void *id)
+static int pl030_probe(struct amba_device *dev, struct amba_id *id)
{
struct pl030_rtc *rtc;
int ret;
diff --git a/drivers/rtc/rtc-pl031.c b/drivers/rtc/rtc-pl031.c
index 333eec689d2f..451fc13784d1 100644
--- a/drivers/rtc/rtc-pl031.c
+++ b/drivers/rtc/rtc-pl031.c
@@ -127,7 +127,7 @@ static int pl031_remove(struct amba_device *adev)
return 0;
}
-static int pl031_probe(struct amba_device *adev, void *id)
+static int pl031_probe(struct amba_device *adev, struct amba_id *id)
{
int ret;
struct pl031_local *ldata;
diff --git a/drivers/scsi/3w-9xxx.c b/drivers/scsi/3w-9xxx.c
index 8b7983aba8f7..36c21b19e5d7 100644
--- a/drivers/scsi/3w-9xxx.c
+++ b/drivers/scsi/3w-9xxx.c
@@ -1978,7 +1978,8 @@ static void twa_unmap_scsi_data(TW_Device_Extension *tw_dev, int request_id)
{
struct scsi_cmnd *cmd = tw_dev->srb[request_id];
- scsi_dma_unmap(cmd);
+ if (cmd->SCp.phase == TW_PHASE_SGLIST)
+ scsi_dma_unmap(cmd);
} /* End twa_unmap_scsi_data() */
/* scsi_host_template initializer */
diff --git a/drivers/scsi/3w-xxxx.c b/drivers/scsi/3w-xxxx.c
index c03f1d2c9e2e..faa0fcfed71e 100644
--- a/drivers/scsi/3w-xxxx.c
+++ b/drivers/scsi/3w-xxxx.c
@@ -6,7 +6,7 @@
Arnaldo Carvalho de Melo <acme@conectiva.com.br>
Brad Strand <linux@3ware.com>
- Copyright (C) 1999-2007 3ware Inc.
+ Copyright (C) 1999-2009 3ware Inc.
Kernel compatiblity By: Andre Hedrick <andre@suse.com>
Non-Copyright (C) 2000 Andre Hedrick <andre@suse.com>
@@ -1294,7 +1294,8 @@ static void tw_unmap_scsi_data(struct pci_dev *pdev, struct scsi_cmnd *cmd)
{
dprintk(KERN_WARNING "3w-xxxx: tw_unmap_scsi_data()\n");
- scsi_dma_unmap(cmd);
+ if (cmd->SCp.phase == TW_PHASE_SGLIST)
+ scsi_dma_unmap(cmd);
} /* End tw_unmap_scsi_data() */
/* This function will reset a device extension */
diff --git a/drivers/scsi/3w-xxxx.h b/drivers/scsi/3w-xxxx.h
index 8e71e5e122b3..a5a2ba2561d9 100644
--- a/drivers/scsi/3w-xxxx.h
+++ b/drivers/scsi/3w-xxxx.h
@@ -6,7 +6,7 @@
Arnaldo Carvalho de Melo <acme@conectiva.com.br>
Brad Strand <linux@3ware.com>
- Copyright (C) 1999-2007 3ware Inc.
+ Copyright (C) 1999-2009 3ware Inc.
Kernel compatiblity By: Andre Hedrick <andre@suse.com>
Non-Copyright (C) 2000 Andre Hedrick <andre@suse.com>
diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig
index 8ed2990c826e..fb2740789b68 100644
--- a/drivers/scsi/Kconfig
+++ b/drivers/scsi/Kconfig
@@ -628,6 +628,17 @@ config FCOE
---help---
Fibre Channel over Ethernet module
+config FCOE_FNIC
+ tristate "Cisco FNIC Driver"
+ depends on PCI && X86
+ select LIBFC
+ help
+ This is support for the Cisco PCI-Express FCoE HBA.
+
+ To compile this driver as a module, choose M here and read
+ <file:Documentation/scsi/scsi.txt>.
+ The module will be called fnic.
+
config SCSI_DMX3191D
tristate "DMX3191D SCSI support"
depends on PCI && SCSI
diff --git a/drivers/scsi/Makefile b/drivers/scsi/Makefile
index e7c861ac417d..a5049cfb40ed 100644
--- a/drivers/scsi/Makefile
+++ b/drivers/scsi/Makefile
@@ -39,6 +39,7 @@ obj-$(CONFIG_SCSI_DH) += device_handler/
obj-$(CONFIG_LIBFC) += libfc/
obj-$(CONFIG_LIBFCOE) += fcoe/
obj-$(CONFIG_FCOE) += fcoe/
+obj-$(CONFIG_FCOE_FNIC) += fnic/
obj-$(CONFIG_ISCSI_TCP) += libiscsi.o libiscsi_tcp.o iscsi_tcp.o
obj-$(CONFIG_INFINIBAND_ISER) += libiscsi.o
obj-$(CONFIG_SCSI_A4000T) += 53c700.o a4000t.o
diff --git a/drivers/scsi/fnic/Makefile b/drivers/scsi/fnic/Makefile
new file mode 100644
index 000000000000..37c3440bc17c
--- /dev/null
+++ b/drivers/scsi/fnic/Makefile
@@ -0,0 +1,15 @@
+obj-$(CONFIG_FCOE_FNIC) += fnic.o
+
+fnic-y := \
+ fnic_attrs.o \
+ fnic_isr.o \
+ fnic_main.o \
+ fnic_res.o \
+ fnic_fcs.o \
+ fnic_scsi.o \
+ vnic_cq.o \
+ vnic_dev.o \
+ vnic_intr.o \
+ vnic_rq.o \
+ vnic_wq_copy.o \
+ vnic_wq.o
diff --git a/drivers/scsi/fnic/cq_desc.h b/drivers/scsi/fnic/cq_desc.h
new file mode 100644
index 000000000000..d1225cf6320e
--- /dev/null
+++ b/drivers/scsi/fnic/cq_desc.h
@@ -0,0 +1,78 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc. All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc. All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef _CQ_DESC_H_
+#define _CQ_DESC_H_
+
+/*
+ * Completion queue descriptor types
+ */
+enum cq_desc_types {
+ CQ_DESC_TYPE_WQ_ENET = 0,
+ CQ_DESC_TYPE_DESC_COPY = 1,
+ CQ_DESC_TYPE_WQ_EXCH = 2,
+ CQ_DESC_TYPE_RQ_ENET = 3,
+ CQ_DESC_TYPE_RQ_FCP = 4,
+};
+
+/* Completion queue descriptor: 16B
+ *
+ * All completion queues have this basic layout. The
+ * type_specfic area is unique for each completion
+ * queue type.
+ */
+struct cq_desc {
+ __le16 completed_index;
+ __le16 q_number;
+ u8 type_specfic[11];
+ u8 type_color;
+};
+
+#define CQ_DESC_TYPE_BITS 4
+#define CQ_DESC_TYPE_MASK ((1 << CQ_DESC_TYPE_BITS) - 1)
+#define CQ_DESC_COLOR_MASK 1
+#define CQ_DESC_COLOR_SHIFT 7
+#define CQ_DESC_Q_NUM_BITS 10
+#define CQ_DESC_Q_NUM_MASK ((1 << CQ_DESC_Q_NUM_BITS) - 1)
+#define CQ_DESC_COMP_NDX_BITS 12
+#define CQ_DESC_COMP_NDX_MASK ((1 << CQ_DESC_COMP_NDX_BITS) - 1)
+
+static inline void cq_desc_dec(const struct cq_desc *desc_arg,
+ u8 *type, u8 *color, u16 *q_number, u16 *completed_index)
+{
+ const struct cq_desc *desc = desc_arg;
+ const u8 type_color = desc->type_color;
+
+ *color = (type_color >> CQ_DESC_COLOR_SHIFT) & CQ_DESC_COLOR_MASK;
+
+ /*
+ * Make sure color bit is read from desc *before* other fields
+ * are read from desc. Hardware guarantees color bit is last
+ * bit (byte) written. Adding the rmb() prevents the compiler
+ * and/or CPU from reordering the reads which would potentially
+ * result in reading stale values.
+ */
+
+ rmb();
+
+ *type = type_color & CQ_DESC_TYPE_MASK;
+ *q_number = le16_to_cpu(desc->q_number) & CQ_DESC_Q_NUM_MASK;
+ *completed_index = le16_to_cpu(desc->completed_index) &
+ CQ_DESC_COMP_NDX_MASK;
+}
+
+#endif /* _CQ_DESC_H_ */
diff --git a/drivers/scsi/fnic/cq_enet_desc.h b/drivers/scsi/fnic/cq_enet_desc.h
new file mode 100644
index 000000000000..a9fa26f82ddd
--- /dev/null
+++ b/drivers/scsi/fnic/cq_enet_desc.h
@@ -0,0 +1,167 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc. All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc. All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef _CQ_ENET_DESC_H_
+#define _CQ_ENET_DESC_H_
+
+#include "cq_desc.h"
+
+/* Ethernet completion queue descriptor: 16B */
+struct cq_enet_wq_desc {
+ __le16 completed_index;
+ __le16 q_number;
+ u8 reserved[11];
+ u8 type_color;
+};
+
+static inline void cq_enet_wq_desc_dec(struct cq_enet_wq_desc *desc,
+ u8 *type, u8 *color, u16 *q_number, u16 *completed_index)
+{
+ cq_desc_dec((struct cq_desc *)desc, type,
+ color, q_number, completed_index);
+}
+
+/* Completion queue descriptor: Ethernet receive queue, 16B */
+struct cq_enet_rq_desc {
+ __le16 completed_index_flags;
+ __le16 q_number_rss_type_flags;
+ __le32 rss_hash;
+ __le16 bytes_written_flags;
+ __le16 vlan;
+ __le16 checksum_fcoe;
+ u8 flags;
+ u8 type_color;
+};
+
+#define CQ_ENET_RQ_DESC_FLAGS_INGRESS_PORT (0x1 << 12)
+#define CQ_ENET_RQ_DESC_FLAGS_FCOE (0x1 << 13)
+#define CQ_ENET_RQ_DESC_FLAGS_EOP (0x1 << 14)
+#define CQ_ENET_RQ_DESC_FLAGS_SOP (0x1 << 15)
+
+#define CQ_ENET_RQ_DESC_RSS_TYPE_BITS 4
+#define CQ_ENET_RQ_DESC_RSS_TYPE_MASK \
+ ((1 << CQ_ENET_RQ_DESC_RSS_TYPE_BITS) - 1)
+#define CQ_ENET_RQ_DESC_RSS_TYPE_NONE 0
+#define CQ_ENET_RQ_DESC_RSS_TYPE_IPv4 1
+#define CQ_ENET_RQ_DESC_RSS_TYPE_TCP_IPv4 2
+#define CQ_ENET_RQ_DESC_RSS_TYPE_IPv6 3
+#define CQ_ENET_RQ_DESC_RSS_TYPE_TCP_IPv6 4
+#define CQ_ENET_RQ_DESC_RSS_TYPE_IPv6_EX 5
+#define CQ_ENET_RQ_DESC_RSS_TYPE_TCP_IPv6_EX 6
+
+#define CQ_ENET_RQ_DESC_FLAGS_CSUM_NOT_CALC (0x1 << 14)
+
+#define CQ_ENET_RQ_DESC_BYTES_WRITTEN_BITS 14
+#define CQ_ENET_RQ_DESC_BYTES_WRITTEN_MASK \
+ ((1 << CQ_ENET_RQ_DESC_BYTES_WRITTEN_BITS) - 1)
+#define CQ_ENET_RQ_DESC_FLAGS_TRUNCATED (0x1 << 14)
+#define CQ_ENET_RQ_DESC_FLAGS_VLAN_STRIPPED (0x1 << 15)
+
+#define CQ_ENET_RQ_DESC_FCOE_SOF_BITS 4
+#define CQ_ENET_RQ_DESC_FCOE_SOF_MASK \
+ ((1 << CQ_ENET_RQ_DESC_FCOE_SOF_BITS) - 1)
+#define CQ_ENET_RQ_DESC_FCOE_EOF_BITS 8
+#define CQ_ENET_RQ_DESC_FCOE_EOF_MASK \
+ ((1 << CQ_ENET_RQ_DESC_FCOE_EOF_BITS) - 1)
+#define CQ_ENET_RQ_DESC_FCOE_EOF_SHIFT 8
+
+#define CQ_ENET_RQ_DESC_FLAGS_TCP_UDP_CSUM_OK (0x1 << 0)
+#define CQ_ENET_RQ_DESC_FCOE_FC_CRC_OK (0x1 << 0)
+#define CQ_ENET_RQ_DESC_FLAGS_UDP (0x1 << 1)
+#define CQ_ENET_RQ_DESC_FCOE_ENC_ERROR (0x1 << 1)
+#define CQ_ENET_RQ_DESC_FLAGS_TCP (0x1 << 2)
+#define CQ_ENET_RQ_DESC_FLAGS_IPV4_CSUM_OK (0x1 << 3)
+#define CQ_ENET_RQ_DESC_FLAGS_IPV6 (0x1 << 4)
+#define CQ_ENET_RQ_DESC_FLAGS_IPV4 (0x1 << 5)
+#define CQ_ENET_RQ_DESC_FLAGS_IPV4_FRAGMENT (0x1 << 6)
+#define CQ_ENET_RQ_DESC_FLAGS_FCS_OK (0x1 << 7)
+
+static inline void cq_enet_rq_desc_dec(struct cq_enet_rq_desc *desc,
+ u8 *type, u8 *color, u16 *q_number, u16 *completed_index,
+ u8 *ingress_port, u8 *fcoe, u8 *eop, u8 *sop, u8 *rss_type,
+ u8 *csum_not_calc, u32 *rss_hash, u16 *bytes_written, u8 *packet_error,
+ u8 *vlan_stripped, u16 *vlan, u16 *checksum, u8 *fcoe_sof,
+ u8 *fcoe_fc_crc_ok, u8 *fcoe_enc_error, u8 *fcoe_eof,
+ u8 *tcp_udp_csum_ok, u8 *udp, u8 *tcp, u8 *ipv4_csum_ok,
+ u8 *ipv6, u8 *ipv4, u8 *ipv4_fragment, u8 *fcs_ok)
+{
+ u16 completed_index_flags = le16_to_cpu(desc->completed_index_flags);
+ u16 q_number_rss_type_flags =
+ le16_to_cpu(desc->q_number_rss_type_flags);
+ u16 bytes_written_flags = le16_to_cpu(desc->bytes_written_flags);
+
+ cq_desc_dec((struct cq_desc *)desc, type,
+ color, q_number, completed_index);
+
+ *ingress_port = (completed_index_flags &
+ CQ_ENET_RQ_DESC_FLAGS_INGRESS_PORT) ? 1 : 0;
+ *fcoe = (completed_index_flags & CQ_ENET_RQ_DESC_FLAGS_FCOE) ?
+ 1 : 0;
+ *eop = (completed_index_flags & CQ_ENET_RQ_DESC_FLAGS_EOP) ?
+ 1 : 0;
+ *sop = (completed_index_flags & CQ_ENET_RQ_DESC_FLAGS_SOP) ?
+ 1 : 0;
+
+ *rss_type = (u8)((q_number_rss_type_flags >> CQ_DESC_Q_NUM_BITS) &
+ CQ_ENET_RQ_DESC_RSS_TYPE_MASK);
+ *csum_not_calc = (q_number_rss_type_flags &
+ CQ_ENET_RQ_DESC_FLAGS_CSUM_NOT_CALC) ? 1 : 0;
+
+ *rss_hash = le32_to_cpu(desc->rss_hash);
+
+ *bytes_written = bytes_written_flags &
+ CQ_ENET_RQ_DESC_BYTES_WRITTEN_MASK;
+ *packet_error = (bytes_written_flags &
+ CQ_ENET_RQ_DESC_FLAGS_TRUNCATED) ? 1 : 0;
+ *vlan_stripped = (bytes_written_flags &
+ CQ_ENET_RQ_DESC_FLAGS_VLAN_STRIPPED) ? 1 : 0;
+
+ *vlan = le16_to_cpu(desc->vlan);
+
+ if (*fcoe) {
+ *fcoe_sof = (u8)(le16_to_cpu(desc->checksum_fcoe) &
+ CQ_ENET_RQ_DESC_FCOE_SOF_MASK);
+ *fcoe_fc_crc_ok = (desc->flags &
+ CQ_ENET_RQ_DESC_FCOE_FC_CRC_OK) ? 1 : 0;
+ *fcoe_enc_error = (desc->flags &
+ CQ_ENET_RQ_DESC_FCOE_ENC_ERROR) ? 1 : 0;
+ *fcoe_eof = (u8)((desc->checksum_fcoe >>
+ CQ_ENET_RQ_DESC_FCOE_EOF_SHIFT) &
+ CQ_ENET_RQ_DESC_FCOE_EOF_MASK);
+ *checksum = 0;
+ } else {
+ *fcoe_sof = 0;
+ *fcoe_fc_crc_ok = 0;
+ *fcoe_enc_error = 0;
+ *fcoe_eof = 0;
+ *checksum = le16_to_cpu(desc->checksum_fcoe);
+ }
+
+ *tcp_udp_csum_ok =
+ (desc->flags & CQ_ENET_RQ_DESC_FLAGS_TCP_UDP_CSUM_OK) ? 1 : 0;
+ *udp = (desc->flags & CQ_ENET_RQ_DESC_FLAGS_UDP) ? 1 : 0;
+ *tcp = (desc->flags & CQ_ENET_RQ_DESC_FLAGS_TCP) ? 1 : 0;
+ *ipv4_csum_ok =
+ (desc->flags & CQ_ENET_RQ_DESC_FLAGS_IPV4_CSUM_OK) ? 1 : 0;
+ *ipv6 = (desc->flags & CQ_ENET_RQ_DESC_FLAGS_IPV6) ? 1 : 0;
+ *ipv4 = (desc->flags & CQ_ENET_RQ_DESC_FLAGS_IPV4) ? 1 : 0;
+ *ipv4_fragment =
+ (desc->flags & CQ_ENET_RQ_DESC_FLAGS_IPV4_FRAGMENT) ? 1 : 0;
+ *fcs_ok = (desc->flags & CQ_ENET_RQ_DESC_FLAGS_FCS_OK) ? 1 : 0;
+}
+
+#endif /* _CQ_ENET_DESC_H_ */
diff --git a/drivers/scsi/fnic/cq_exch_desc.h b/drivers/scsi/fnic/cq_exch_desc.h
new file mode 100644
index 000000000000..501660cfe228
--- /dev/null
+++ b/drivers/scsi/fnic/cq_exch_desc.h
@@ -0,0 +1,182 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc. All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc. All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef _CQ_EXCH_DESC_H_
+#define _CQ_EXCH_DESC_H_
+
+#include "cq_desc.h"
+
+/* Exchange completion queue descriptor: 16B */
+struct cq_exch_wq_desc {
+ u16 completed_index;
+ u16 q_number;
+ u16 exchange_id;
+ u8 tmpl;
+ u8 reserved0;
+ u32 reserved1;
+ u8 exch_status;
+ u8 reserved2[2];
+ u8 type_color;
+};
+
+#define CQ_EXCH_WQ_STATUS_BITS 2
+#define CQ_EXCH_WQ_STATUS_MASK ((1 << CQ_EXCH_WQ_STATUS_BITS) - 1)
+
+enum cq_exch_status_types {
+ CQ_EXCH_WQ_STATUS_TYPE_COMPLETE = 0,
+ CQ_EXCH_WQ_STATUS_TYPE_ABORT = 1,
+ CQ_EXCH_WQ_STATUS_TYPE_SGL_EOF = 2,
+ CQ_EXCH_WQ_STATUS_TYPE_TMPL_ERR = 3,
+};
+
+static inline void cq_exch_wq_desc_dec(struct cq_exch_wq_desc *desc_ptr,
+ u8 *type,
+ u8 *color,
+ u16 *q_number,
+ u16 *completed_index,
+ u8 *exch_status)
+{
+ cq_desc_dec((struct cq_desc *)desc_ptr, type,
+ color, q_number, completed_index);
+ *exch_status = desc_ptr->exch_status & CQ_EXCH_WQ_STATUS_MASK;
+}
+
+struct cq_fcp_rq_desc {
+ u16 completed_index_eop_sop_prt;
+ u16 q_number;
+ u16 exchange_id;
+ u16 tmpl;
+ u16 bytes_written;
+ u16 vlan;
+ u8 sof;
+ u8 eof;
+ u8 fcs_fer_fck;
+ u8 type_color;
+};
+
+#define CQ_FCP_RQ_DESC_FLAGS_SOP (1 << 15)
+#define CQ_FCP_RQ_DESC_FLAGS_EOP (1 << 14)
+#define CQ_FCP_RQ_DESC_FLAGS_PRT (1 << 12)
+#define CQ_FCP_RQ_DESC_TMPL_MASK 0x1f
+#define CQ_FCP_RQ_DESC_BYTES_WRITTEN_MASK 0x3fff
+#define CQ_FCP_RQ_DESC_PACKET_ERR_SHIFT 14
+#define CQ_FCP_RQ_DESC_PACKET_ERR_MASK (1 << CQ_FCP_RQ_DESC_PACKET_ERR_SHIFT)
+#define CQ_FCP_RQ_DESC_VS_STRIPPED_SHIFT 15
+#define CQ_FCP_RQ_DESC_VS_STRIPPED_MASK (1 << CQ_FCP_RQ_DESC_VS_STRIPPED_SHIFT)
+#define CQ_FCP_RQ_DESC_FC_CRC_OK_MASK 0x1
+#define CQ_FCP_RQ_DESC_FCOE_ERR_SHIFT 1
+#define CQ_FCP_RQ_DESC_FCOE_ERR_MASK (1 << CQ_FCP_RQ_DESC_FCOE_ERR_SHIFT)
+#define CQ_FCP_RQ_DESC_FCS_OK_SHIFT 7
+#define CQ_FCP_RQ_DESC_FCS_OK_MASK (1 << CQ_FCP_RQ_DESC_FCS_OK_SHIFT)
+
+static inline void cq_fcp_rq_desc_dec(struct cq_fcp_rq_desc *desc_ptr,
+ u8 *type,
+ u8 *color,
+ u16 *q_number,
+ u16 *completed_index,
+ u8 *eop,
+ u8 *sop,
+ u8 *fck,
+ u16 *exchange_id,
+ u16 *tmpl,
+ u32 *bytes_written,
+ u8 *sof,
+ u8 *eof,
+ u8 *ingress_port,
+ u8 *packet_err,
+ u8 *fcoe_err,
+ u8 *fcs_ok,
+ u8 *vlan_stripped,
+ u16 *vlan)
+{
+ cq_desc_dec((struct cq_desc *)desc_ptr, type,
+ color, q_number, completed_index);
+ *eop = (desc_ptr->completed_index_eop_sop_prt &
+ CQ_FCP_RQ_DESC_FLAGS_EOP) ? 1 : 0;
+ *sop = (desc_ptr->completed_index_eop_sop_prt &
+ CQ_FCP_RQ_DESC_FLAGS_SOP) ? 1 : 0;
+ *ingress_port =
+ (desc_ptr->completed_index_eop_sop_prt &
+ CQ_FCP_RQ_DESC_FLAGS_PRT) ? 1 : 0;
+ *exchange_id = desc_ptr->exchange_id;
+ *tmpl = desc_ptr->tmpl & CQ_FCP_RQ_DESC_TMPL_MASK;
+ *bytes_written =
+ desc_ptr->bytes_written & CQ_FCP_RQ_DESC_BYTES_WRITTEN_MASK;
+ *packet_err =
+ (desc_ptr->bytes_written & CQ_FCP_RQ_DESC_PACKET_ERR_MASK) >>
+ CQ_FCP_RQ_DESC_PACKET_ERR_SHIFT;
+ *vlan_stripped =
+ (desc_ptr->bytes_written & CQ_FCP_RQ_DESC_VS_STRIPPED_MASK) >>
+ CQ_FCP_RQ_DESC_VS_STRIPPED_SHIFT;
+ *vlan = desc_ptr->vlan;
+ *sof = desc_ptr->sof;
+ *fck = desc_ptr->fcs_fer_fck & CQ_FCP_RQ_DESC_FC_CRC_OK_MASK;
+ *fcoe_err = (desc_ptr->fcs_fer_fck & CQ_FCP_RQ_DESC_FCOE_ERR_MASK) >>
+ CQ_FCP_RQ_DESC_FCOE_ERR_SHIFT;
+ *eof = desc_ptr->eof;
+ *fcs_ok =
+ (desc_ptr->fcs_fer_fck & CQ_FCP_RQ_DESC_FCS_OK_MASK) >>
+ CQ_FCP_RQ_DESC_FCS_OK_SHIFT;
+}
+
+struct cq_sgl_desc {
+ u16 exchange_id;
+ u16 q_number;
+ u32 active_burst_offset;
+ u32 tot_data_bytes;
+ u16 tmpl;
+ u8 sgl_err;
+ u8 type_color;
+};
+
+enum cq_sgl_err_types {
+ CQ_SGL_ERR_NO_ERROR = 0,
+ CQ_SGL_ERR_OVERFLOW, /* data ran beyond end of SGL */
+ CQ_SGL_ERR_SGL_LCL_ADDR_ERR, /* sgl access to local vnic addr illegal*/
+ CQ_SGL_ERR_ADDR_RSP_ERR, /* sgl address error */
+ CQ_SGL_ERR_DATA_RSP_ERR, /* sgl data rsp error */
+ CQ_SGL_ERR_CNT_ZERO_ERR, /* SGL count is 0 */
+ CQ_SGL_ERR_CNT_MAX_ERR, /* SGL count is larger than supported */
+ CQ_SGL_ERR_ORDER_ERR, /* frames recv on both ports, order err */
+ CQ_SGL_ERR_DATA_LCL_ADDR_ERR,/* sgl data buf to local vnic addr ill */
+ CQ_SGL_ERR_HOST_CQ_ERR, /* host cq entry to local vnic addr ill */
+};
+
+#define CQ_SGL_SGL_ERR_MASK 0x1f
+#define CQ_SGL_TMPL_MASK 0x1f
+
+static inline void cq_sgl_desc_dec(struct cq_sgl_desc *desc_ptr,
+ u8 *type,
+ u8 *color,
+ u16 *q_number,
+ u16 *exchange_id,
+ u32 *active_burst_offset,
+ u32 *tot_data_bytes,
+ u16 *tmpl,
+ u8 *sgl_err)
+{
+ /* Cheat a little by assuming exchange_id is the same as completed
+ index */
+ cq_desc_dec((struct cq_desc *)desc_ptr, type, color, q_number,
+ exchange_id);
+ *active_burst_offset = desc_ptr->active_burst_offset;
+ *tot_data_bytes = desc_ptr->tot_data_bytes;
+ *tmpl = desc_ptr->tmpl & CQ_SGL_TMPL_MASK;
+ *sgl_err = desc_ptr->sgl_err & CQ_SGL_SGL_ERR_MASK;
+}
+
+#endif /* _CQ_EXCH_DESC_H_ */
diff --git a/drivers/scsi/fnic/fcpio.h b/drivers/scsi/fnic/fcpio.h
new file mode 100644
index 000000000000..12d770d885c5
--- /dev/null
+++ b/drivers/scsi/fnic/fcpio.h
@@ -0,0 +1,780 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc. All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc. All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef _FCPIO_H_
+#define _FCPIO_H_
+
+#include <linux/if_ether.h>
+
+/*
+ * This header file includes all of the data structures used for
+ * communication by the host driver to the fcp firmware.
+ */
+
+/*
+ * Exchange and sequence id space allocated to the host driver
+ */
+#define FCPIO_HOST_EXCH_RANGE_START 0x1000
+#define FCPIO_HOST_EXCH_RANGE_END 0x1fff
+#define FCPIO_HOST_SEQ_ID_RANGE_START 0x80
+#define FCPIO_HOST_SEQ_ID_RANGE_END 0xff
+
+/*
+ * Command entry type
+ */
+enum fcpio_type {
+ /*
+ * Initiator request types
+ */
+ FCPIO_ICMND_16 = 0x1,
+ FCPIO_ICMND_32,
+ FCPIO_ICMND_CMPL,
+ FCPIO_ITMF,
+ FCPIO_ITMF_CMPL,
+
+ /*
+ * Target request types
+ */
+ FCPIO_TCMND_16 = 0x11,
+ FCPIO_TCMND_32,
+ FCPIO_TDATA,
+ FCPIO_TXRDY,
+ FCPIO_TRSP,
+ FCPIO_TDRSP_CMPL,
+ FCPIO_TTMF,
+ FCPIO_TTMF_ACK,
+ FCPIO_TABORT,
+ FCPIO_TABORT_CMPL,
+
+ /*
+ * Misc request types
+ */
+ FCPIO_ACK = 0x20,
+ FCPIO_RESET,
+ FCPIO_RESET_CMPL,
+ FCPIO_FLOGI_REG,
+ FCPIO_FLOGI_REG_CMPL,
+ FCPIO_ECHO,
+ FCPIO_ECHO_CMPL,
+ FCPIO_LUNMAP_CHNG,
+ FCPIO_LUNMAP_REQ,
+ FCPIO_LUNMAP_REQ_CMPL,
+ FCPIO_FLOGI_FIP_REG,
+ FCPIO_FLOGI_FIP_REG_CMPL,
+};
+
+/*
+ * Header status codes from the firmware
+ */
+enum fcpio_status {
+ FCPIO_SUCCESS = 0, /* request was successful */
+
+ /*
+ * If a request to the firmware is rejected, the original request
+ * header will be returned with the status set to one of the following:
+ */
+ FCPIO_INVALID_HEADER, /* header contains invalid data */
+ FCPIO_OUT_OF_RESOURCE, /* out of resources to complete request */
+ FCPIO_INVALID_PARAM, /* some parameter in request is invalid */
+ FCPIO_REQ_NOT_SUPPORTED, /* request type is not supported */
+ FCPIO_IO_NOT_FOUND, /* requested I/O was not found */
+
+ /*
+ * Once a request is processed, the firmware will usually return
+ * a cmpl message type. In cases where errors occurred,
+ * the header status field would be filled in with one of the following:
+ */
+ FCPIO_ABORTED = 0x41, /* request was aborted */
+ FCPIO_TIMEOUT, /* request was timed out */
+ FCPIO_SGL_INVALID, /* request was aborted due to sgl error */
+ FCPIO_MSS_INVALID, /* request was aborted due to mss error */
+ FCPIO_DATA_CNT_MISMATCH, /* recv/sent more/less data than exp. */
+ FCPIO_FW_ERR, /* request was terminated due to fw error */
+ FCPIO_ITMF_REJECTED, /* itmf req was rejected by remote node */
+ FCPIO_ITMF_FAILED, /* itmf req was failed by remote node */
+ FCPIO_ITMF_INCORRECT_LUN, /* itmf req targeted incorrect LUN */
+ FCPIO_CMND_REJECTED, /* request was invalid and rejected */
+ FCPIO_NO_PATH_AVAIL, /* no paths to the lun was available */
+ FCPIO_PATH_FAILED, /* i/o sent to current path failed */
+ FCPIO_LUNMAP_CHNG_PEND, /* i/o rejected due to lunmap change */
+};
+
+/*
+ * The header command tag. All host requests will use the "tag" field
+ * to mark commands with a unique tag. When the firmware responds to
+ * a host request, it will copy the tag field into the response.
+ *
+ * The only firmware requests that will use the rx_id/ox_id fields instead
+ * of the tag field will be the target command and target task management
+ * requests. These two requests do not have corresponding host requests
+ * since they come directly from the FC initiator on the network.
+ */
+struct fcpio_tag {
+ union {
+ u32 req_id;
+ struct {
+ u16 rx_id;
+ u16 ox_id;
+ } ex_id;
+ } u;
+};
+
+static inline void
+fcpio_tag_id_enc(struct fcpio_tag *tag, u32 id)
+{
+ tag->u.req_id = id;
+}
+
+static inline void
+fcpio_tag_id_dec(struct fcpio_tag *tag, u32 *id)
+{
+ *id = tag->u.req_id;
+}
+
+static inline void
+fcpio_tag_exid_enc(struct fcpio_tag *tag, u16 ox_id, u16 rx_id)
+{
+ tag->u.ex_id.rx_id = rx_id;
+ tag->u.ex_id.ox_id = ox_id;
+}
+
+static inline void
+fcpio_tag_exid_dec(struct fcpio_tag *tag, u16 *ox_id, u16 *rx_id)
+{
+ *rx_id = tag->u.ex_id.rx_id;
+ *ox_id = tag->u.ex_id.ox_id;
+}
+
+/*
+ * The header for an fcpio request, whether from the firmware or from the
+ * host driver
+ */
+struct fcpio_header {
+ u8 type; /* enum fcpio_type */
+ u8 status; /* header status entry */
+ u16 _resvd; /* reserved */
+ struct fcpio_tag tag; /* header tag */
+};
+
+static inline void
+fcpio_header_enc(struct fcpio_header *hdr,
+ u8 type, u8 status,
+ struct fcpio_tag tag)
+{
+ hdr->type = type;
+ hdr->status = status;
+ hdr->_resvd = 0;
+ hdr->tag = tag;
+}
+
+static inline void
+fcpio_header_dec(struct fcpio_header *hdr,
+ u8 *type, u8 *status,
+ struct fcpio_tag *tag)
+{
+ *type = hdr->type;
+ *status = hdr->status;
+ *tag = hdr->tag;
+}
+
+#define CDB_16 16
+#define CDB_32 32
+#define LUN_ADDRESS 8
+
+/*
+ * fcpio_icmnd_16: host -> firmware request
+ *
+ * used for sending out an initiator SCSI 16-byte command
+ */
+struct fcpio_icmnd_16 {
+ u32 lunmap_id; /* index into lunmap table */
+ u8 special_req_flags; /* special exchange request flags */
+ u8 _resvd0[3]; /* reserved */
+ u32 sgl_cnt; /* scatter-gather list count */
+ u32 sense_len; /* sense buffer length */
+ u64 sgl_addr; /* scatter-gather list addr */
+ u64 sense_addr; /* sense buffer address */
+ u8 crn; /* SCSI Command Reference No. */
+ u8 pri_ta; /* SCSI Priority and Task attribute */
+ u8 _resvd1; /* reserved: should be 0 */
+ u8 flags; /* command flags */
+ u8 scsi_cdb[CDB_16]; /* SCSI Cmnd Descriptor Block */
+ u32 data_len; /* length of data expected */
+ u8 lun[LUN_ADDRESS]; /* FC vNIC only: LUN address */
+ u8 _resvd2; /* reserved */
+ u8 d_id[3]; /* FC vNIC only: Target D_ID */
+ u16 mss; /* FC vNIC only: max burst */
+ u16 _resvd3; /* reserved */
+ u32 r_a_tov; /* FC vNIC only: Res. Alloc Timeout */
+ u32 e_d_tov; /* FC vNIC only: Err Detect Timeout */
+};
+
+/*
+ * Special request flags
+ */
+#define FCPIO_ICMND_SRFLAG_RETRY 0x01 /* Enable Retry handling on exchange */
+
+/*
+ * Priority/Task Attribute settings
+ */
+#define FCPIO_ICMND_PTA_SIMPLE 0 /* simple task attribute */
+#define FCPIO_ICMND_PTA_HEADQ 1 /* head of queue task attribute */
+#define FCPIO_ICMND_PTA_ORDERED 2 /* ordered task attribute */
+#define FCPIO_ICMND_PTA_ACA 4 /* auto contingent allegiance */
+#define FCPIO_ICMND_PRI_SHIFT 3 /* priority field starts in bit 3 */
+
+/*
+ * Command flags
+ */
+#define FCPIO_ICMND_RDDATA 0x02 /* read data */
+#define FCPIO_ICMND_WRDATA 0x01 /* write data */
+
+/*
+ * fcpio_icmnd_32: host -> firmware request
+ *
+ * used for sending out an initiator SCSI 32-byte command
+ */
+struct fcpio_icmnd_32 {
+ u32 lunmap_id; /* index into lunmap table */
+ u8 special_req_flags; /* special exchange request flags */
+ u8 _resvd0[3]; /* reserved */
+ u32 sgl_cnt; /* scatter-gather list count */
+ u32 sense_len; /* sense buffer length */
+ u64 sgl_addr; /* scatter-gather list addr */
+ u64 sense_addr; /* sense buffer address */
+ u8 crn; /* SCSI Command Reference No. */
+ u8 pri_ta; /* SCSI Priority and Task attribute */
+ u8 _resvd1; /* reserved: should be 0 */
+ u8 flags; /* command flags */
+ u8 scsi_cdb[CDB_32]; /* SCSI Cmnd Descriptor Block */
+ u32 data_len; /* length of data expected */
+ u8 lun[LUN_ADDRESS]; /* FC vNIC only: LUN address */
+ u8 _resvd2; /* reserved */
+ u8 d_id[3]; /* FC vNIC only: Target D_ID */
+ u16 mss; /* FC vNIC only: max burst */
+ u16 _resvd3; /* reserved */
+ u32 r_a_tov; /* FC vNIC only: Res. Alloc Timeout */
+ u32 e_d_tov; /* FC vNIC only: Error Detect Timeout */
+};
+
+/*
+ * fcpio_itmf: host -> firmware request
+ *
+ * used for requesting the firmware to abort a request and/or send out
+ * a task management function
+ *
+ * The t_tag field is only needed when the request type is ABT_TASK.
+ */
+struct fcpio_itmf {
+ u32 lunmap_id; /* index into lunmap table */
+ u32 tm_req; /* SCSI Task Management request */
+ u32 t_tag; /* header tag of fcpio to be aborted */
+ u32 _resvd; /* _reserved */
+ u8 lun[LUN_ADDRESS]; /* FC vNIC only: LUN address */
+ u8 _resvd1; /* reserved */
+ u8 d_id[3]; /* FC vNIC only: Target D_ID */
+ u32 r_a_tov; /* FC vNIC only: R_A_TOV in msec */
+ u32 e_d_tov; /* FC vNIC only: E_D_TOV in msec */
+};
+
+/*
+ * Task Management request
+ */
+enum fcpio_itmf_tm_req_type {
+ FCPIO_ITMF_ABT_TASK_TERM = 0x01, /* abort task and terminate */
+ FCPIO_ITMF_ABT_TASK, /* abort task and issue abts */
+ FCPIO_ITMF_ABT_TASK_SET, /* abort task set */
+ FCPIO_ITMF_CLR_TASK_SET, /* clear task set */
+ FCPIO_ITMF_LUN_RESET, /* logical unit reset task mgmt */
+ FCPIO_ITMF_CLR_ACA, /* Clear ACA condition */
+};
+
+/*
+ * fcpio_tdata: host -> firmware request
+ *
+ * used for requesting the firmware to send out a read data transfer for a
+ * target command
+ */
+struct fcpio_tdata {
+ u16 rx_id; /* FC rx_id of target command */
+ u16 flags; /* command flags */
+ u32 rel_offset; /* data sequence relative offset */
+ u32 sgl_cnt; /* scatter-gather list count */
+ u32 data_len; /* length of data expected to send */
+ u64 sgl_addr; /* scatter-gather list address */
+};
+
+/*
+ * Command flags
+ */
+#define FCPIO_TDATA_SCSI_RSP 0x01 /* send a scsi resp. after last frame */
+
+/*
+ * fcpio_txrdy: host -> firmware request
+ *
+ * used for requesting the firmware to send out a write data transfer for a
+ * target command
+ */
+struct fcpio_txrdy {
+ u16 rx_id; /* FC rx_id of target command */
+ u16 _resvd0; /* reserved */
+ u32 rel_offset; /* data sequence relative offset */
+ u32 sgl_cnt; /* scatter-gather list count */
+ u32 data_len; /* length of data expected to send */
+ u64 sgl_addr; /* scatter-gather list address */
+};
+
+/*
+ * fcpio_trsp: host -> firmware request
+ *
+ * used for requesting the firmware to send out a response for a target
+ * command
+ */
+struct fcpio_trsp {
+ u16 rx_id; /* FC rx_id of target command */
+ u16 _resvd0; /* reserved */
+ u32 sense_len; /* sense data buffer length */
+ u64 sense_addr; /* sense data buffer address */
+ u16 _resvd1; /* reserved */
+ u8 flags; /* response request flags */
+ u8 scsi_status; /* SCSI status */
+ u32 residual; /* SCSI data residual value of I/O */
+};
+
+/*
+ * resposnse request flags
+ */
+#define FCPIO_TRSP_RESID_UNDER 0x08 /* residual is valid and is underflow */
+#define FCPIO_TRSP_RESID_OVER 0x04 /* residual is valid and is overflow */
+
+/*
+ * fcpio_ttmf_ack: host -> firmware response
+ *
+ * used by the host to indicate to the firmware it has received and processed
+ * the target tmf request
+ */
+struct fcpio_ttmf_ack {
+ u16 rx_id; /* FC rx_id of target command */
+ u16 _resvd0; /* reserved */
+ u32 tmf_status; /* SCSI task management status */
+};
+
+/*
+ * fcpio_tabort: host -> firmware request
+ *
+ * used by the host to request the firmware to abort a target request that was
+ * received by the firmware
+ */
+struct fcpio_tabort {
+ u16 rx_id; /* rx_id of the target request */
+};
+
+/*
+ * fcpio_reset: host -> firmware request
+ *
+ * used by the host to signal a reset of the driver to the firmware
+ * and to request firmware to clean up all outstanding I/O
+ */
+struct fcpio_reset {
+ u32 _resvd;
+};
+
+enum fcpio_flogi_reg_format_type {
+ FCPIO_FLOGI_REG_DEF_DEST = 0, /* Use the oui | s_id mac format */
+ FCPIO_FLOGI_REG_GW_DEST, /* Use the fixed gateway mac */
+};
+
+/*
+ * fcpio_flogi_reg: host -> firmware request
+ *
+ * fc vnic only
+ * used by the host to notify the firmware of the lif's s_id
+ * and destination mac address format
+ */
+struct fcpio_flogi_reg {
+ u8 format;
+ u8 s_id[3]; /* FC vNIC only: Source S_ID */
+ u8 gateway_mac[ETH_ALEN]; /* Destination gateway mac */
+ u16 _resvd;
+ u32 r_a_tov; /* R_A_TOV in msec */
+ u32 e_d_tov; /* E_D_TOV in msec */
+};
+
+/*
+ * fcpio_echo: host -> firmware request
+ *
+ * sends a heartbeat echo request to the firmware
+ */
+struct fcpio_echo {
+ u32 _resvd;
+};
+
+/*
+ * fcpio_lunmap_req: host -> firmware request
+ *
+ * scsi vnic only
+ * sends a request to retrieve the lunmap table for scsi vnics
+ */
+struct fcpio_lunmap_req {
+ u64 addr; /* address of the buffer */
+ u32 len; /* len of the buffer */
+};
+
+/*
+ * fcpio_flogi_fip_reg: host -> firmware request
+ *
+ * fc vnic only
+ * used by the host to notify the firmware of the lif's s_id
+ * and destination mac address format
+ */
+struct fcpio_flogi_fip_reg {
+ u8 _resvd0;
+ u8 s_id[3]; /* FC vNIC only: Source S_ID */
+ u8 fcf_mac[ETH_ALEN]; /* FCF Target destination mac */
+ u16 _resvd1;
+ u32 r_a_tov; /* R_A_TOV in msec */
+ u32 e_d_tov; /* E_D_TOV in msec */
+ u8 ha_mac[ETH_ALEN]; /* Host adapter source mac */
+ u16 _resvd2;
+};
+
+/*
+ * Basic structure for all fcpio structures that are sent from the host to the
+ * firmware. They are 128 bytes per structure.
+ */
+#define FCPIO_HOST_REQ_LEN 128 /* expected length of host requests */
+
+struct fcpio_host_req {
+ struct fcpio_header hdr;
+
+ union {
+ /*
+ * Defines space needed for request
+ */
+ u8 buf[FCPIO_HOST_REQ_LEN - sizeof(struct fcpio_header)];
+
+ /*
+ * Initiator host requests
+ */
+ struct fcpio_icmnd_16 icmnd_16;
+ struct fcpio_icmnd_32 icmnd_32;
+ struct fcpio_itmf itmf;
+
+ /*
+ * Target host requests
+ */
+ struct fcpio_tdata tdata;
+ struct fcpio_txrdy txrdy;
+ struct fcpio_trsp trsp;
+ struct fcpio_ttmf_ack ttmf_ack;
+ struct fcpio_tabort tabort;
+
+ /*
+ * Misc requests
+ */
+ struct fcpio_reset reset;
+ struct fcpio_flogi_reg flogi_reg;
+ struct fcpio_echo echo;
+ struct fcpio_lunmap_req lunmap_req;
+ struct fcpio_flogi_fip_reg flogi_fip_reg;
+ } u;
+};
+
+/*
+ * fcpio_icmnd_cmpl: firmware -> host response
+ *
+ * used for sending the host a response to an initiator command
+ */
+struct fcpio_icmnd_cmpl {
+ u8 _resvd0[6]; /* reserved */
+ u8 flags; /* response flags */
+ u8 scsi_status; /* SCSI status */
+ u32 residual; /* SCSI data residual length */
+ u32 sense_len; /* SCSI sense length */
+};
+
+/*
+ * response flags
+ */
+#define FCPIO_ICMND_CMPL_RESID_UNDER 0x08 /* resid under and valid */
+#define FCPIO_ICMND_CMPL_RESID_OVER 0x04 /* resid over and valid */
+
+/*
+ * fcpio_itmf_cmpl: firmware -> host response
+ *
+ * used for sending the host a response for a itmf request
+ */
+struct fcpio_itmf_cmpl {
+ u32 _resvd; /* reserved */
+};
+
+/*
+ * fcpio_tcmnd_16: firmware -> host request
+ *
+ * used by the firmware to notify the host of an incoming target SCSI 16-Byte
+ * request
+ */
+struct fcpio_tcmnd_16 {
+ u8 lun[LUN_ADDRESS]; /* FC vNIC only: LUN address */
+ u8 crn; /* SCSI Command Reference No. */
+ u8 pri_ta; /* SCSI Priority and Task attribute */
+ u8 _resvd2; /* reserved: should be 0 */
+ u8 flags; /* command flags */
+ u8 scsi_cdb[CDB_16]; /* SCSI Cmnd Descriptor Block */
+ u32 data_len; /* length of data expected */
+ u8 _resvd1; /* reserved */
+ u8 s_id[3]; /* FC vNIC only: Source S_ID */
+};
+
+/*
+ * Priority/Task Attribute settings
+ */
+#define FCPIO_TCMND_PTA_SIMPLE 0 /* simple task attribute */
+#define FCPIO_TCMND_PTA_HEADQ 1 /* head of queue task attribute */
+#define FCPIO_TCMND_PTA_ORDERED 2 /* ordered task attribute */
+#define FCPIO_TCMND_PTA_ACA 4 /* auto contingent allegiance */
+#define FCPIO_TCMND_PRI_SHIFT 3 /* priority field starts in bit 3 */
+
+/*
+ * Command flags
+ */
+#define FCPIO_TCMND_RDDATA 0x02 /* read data */
+#define FCPIO_TCMND_WRDATA 0x01 /* write data */
+
+/*
+ * fcpio_tcmnd_32: firmware -> host request
+ *
+ * used by the firmware to notify the host of an incoming target SCSI 32-Byte
+ * request
+ */
+struct fcpio_tcmnd_32 {
+ u8 lun[LUN_ADDRESS]; /* FC vNIC only: LUN address */
+ u8 crn; /* SCSI Command Reference No. */
+ u8 pri_ta; /* SCSI Priority and Task attribute */
+ u8 _resvd2; /* reserved: should be 0 */
+ u8 flags; /* command flags */
+ u8 scsi_cdb[CDB_32]; /* SCSI Cmnd Descriptor Block */
+ u32 data_len; /* length of data expected */
+ u8 _resvd0; /* reserved */
+ u8 s_id[3]; /* FC vNIC only: Source S_ID */
+};
+
+/*
+ * fcpio_tdrsp_cmpl: firmware -> host response
+ *
+ * used by the firmware to notify the host of a response to a host target
+ * command
+ */
+struct fcpio_tdrsp_cmpl {
+ u16 rx_id; /* rx_id of the target request */
+ u16 _resvd0; /* reserved */
+};
+
+/*
+ * fcpio_ttmf: firmware -> host request
+ *
+ * used by the firmware to notify the host of an incoming task management
+ * function request
+ */
+struct fcpio_ttmf {
+ u8 _resvd0; /* reserved */
+ u8 s_id[3]; /* FC vNIC only: Source S_ID */
+ u8 lun[LUN_ADDRESS]; /* FC vNIC only: LUN address */
+ u8 crn; /* SCSI Command Reference No. */
+ u8 _resvd2[3]; /* reserved */
+ u32 tmf_type; /* task management request type */
+};
+
+/*
+ * Task Management request
+ */
+#define FCPIO_TTMF_CLR_ACA 0x40 /* Clear ACA condition */
+#define FCPIO_TTMF_LUN_RESET 0x10 /* logical unit reset task mgmt */
+#define FCPIO_TTMF_CLR_TASK_SET 0x04 /* clear task set */
+#define FCPIO_TTMF_ABT_TASK_SET 0x02 /* abort task set */
+#define FCPIO_TTMF_ABT_TASK 0x01 /* abort task */
+
+/*
+ * fcpio_tabort_cmpl: firmware -> host response
+ *
+ * used by the firmware to respond to a host's tabort request
+ */
+struct fcpio_tabort_cmpl {
+ u16 rx_id; /* rx_id of the target request */
+ u16 _resvd0; /* reserved */
+};
+
+/*
+ * fcpio_ack: firmware -> host response
+ *
+ * used by firmware to notify the host of the last work request received
+ */
+struct fcpio_ack {
+ u16 request_out; /* last host entry received */
+ u16 _resvd;
+};
+
+/*
+ * fcpio_reset_cmpl: firmware -> host response
+ *
+ * use by firmware to respond to the host's reset request
+ */
+struct fcpio_reset_cmpl {
+ u16 vnic_id;
+};
+
+/*
+ * fcpio_flogi_reg_cmpl: firmware -> host response
+ *
+ * fc vnic only
+ * response to the fcpio_flogi_reg request
+ */
+struct fcpio_flogi_reg_cmpl {
+ u32 _resvd;
+};
+
+/*
+ * fcpio_echo_cmpl: firmware -> host response
+ *
+ * response to the fcpio_echo request
+ */
+struct fcpio_echo_cmpl {
+ u32 _resvd;
+};
+
+/*
+ * fcpio_lunmap_chng: firmware -> host notification
+ *
+ * scsi vnic only
+ * notifies the host that the lunmap tables have changed
+ */
+struct fcpio_lunmap_chng {
+ u32 _resvd;
+};
+
+/*
+ * fcpio_lunmap_req_cmpl: firmware -> host response
+ *
+ * scsi vnic only
+ * response for lunmap table request from the host
+ */
+struct fcpio_lunmap_req_cmpl {
+ u32 _resvd;
+};
+
+/*
+ * Basic structure for all fcpio structures that are sent from the firmware to
+ * the host. They are 64 bytes per structure.
+ */
+#define FCPIO_FW_REQ_LEN 64 /* expected length of fw requests */
+struct fcpio_fw_req {
+ struct fcpio_header hdr;
+
+ union {
+ /*
+ * Defines space needed for request
+ */
+ u8 buf[FCPIO_FW_REQ_LEN - sizeof(struct fcpio_header)];
+
+ /*
+ * Initiator firmware responses
+ */
+ struct fcpio_icmnd_cmpl icmnd_cmpl;
+ struct fcpio_itmf_cmpl itmf_cmpl;
+
+ /*
+ * Target firmware new requests
+ */
+ struct fcpio_tcmnd_16 tcmnd_16;
+ struct fcpio_tcmnd_32 tcmnd_32;
+
+ /*
+ * Target firmware responses
+ */
+ struct fcpio_tdrsp_cmpl tdrsp_cmpl;
+ struct fcpio_ttmf ttmf;
+ struct fcpio_tabort_cmpl tabort_cmpl;
+
+ /*
+ * Firmware response to work received
+ */
+ struct fcpio_ack ack;
+
+ /*
+ * Misc requests
+ */
+ struct fcpio_reset_cmpl reset_cmpl;
+ struct fcpio_flogi_reg_cmpl flogi_reg_cmpl;
+ struct fcpio_echo_cmpl echo_cmpl;
+ struct fcpio_lunmap_chng lunmap_chng;
+ struct fcpio_lunmap_req_cmpl lunmap_req_cmpl;
+ } u;
+};
+
+/*
+ * Access routines to encode and decode the color bit, which is the most
+ * significant bit of the MSB of the structure
+ */
+static inline void fcpio_color_enc(struct fcpio_fw_req *fw_req, u8 color)
+{
+ u8 *c = ((u8 *) fw_req) + sizeof(struct fcpio_fw_req) - 1;
+
+ if (color)
+ *c |= 0x80;
+ else
+ *c &= ~0x80;
+}
+
+static inline void fcpio_color_dec(struct fcpio_fw_req *fw_req, u8 *color)
+{
+ u8 *c = ((u8 *) fw_req) + sizeof(struct fcpio_fw_req) - 1;
+
+ *color = *c >> 7;
+
+ /*
+ * Make sure color bit is read from desc *before* other fields
+ * are read from desc. Hardware guarantees color bit is last
+ * bit (byte) written. Adding the rmb() prevents the compiler
+ * and/or CPU from reordering the reads which would potentially
+ * result in reading stale values.
+ */
+
+ rmb();
+
+}
+
+/*
+ * Lunmap table entry for scsi vnics
+ */
+#define FCPIO_LUNMAP_TABLE_SIZE 256
+#define FCPIO_FLAGS_LUNMAP_VALID 0x80
+#define FCPIO_FLAGS_BOOT 0x01
+struct fcpio_lunmap_entry {
+ u8 bus;
+ u8 target;
+ u8 lun;
+ u8 path_cnt;
+ u16 flags;
+ u16 update_cnt;
+};
+
+struct fcpio_lunmap_tbl {
+ u32 update_cnt;
+ struct fcpio_lunmap_entry lunmaps[FCPIO_LUNMAP_TABLE_SIZE];
+};
+
+#endif /* _FCPIO_H_ */
diff --git a/drivers/scsi/fnic/fnic.h b/drivers/scsi/fnic/fnic.h
new file mode 100644
index 000000000000..e4c0a3d7d87b
--- /dev/null
+++ b/drivers/scsi/fnic/fnic.h
@@ -0,0 +1,265 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc. All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc. All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef _FNIC_H_
+#define _FNIC_H_
+
+#include <linux/interrupt.h>
+#include <linux/netdevice.h>
+#include <linux/workqueue.h>
+#include <scsi/libfc.h>
+#include "fnic_io.h"
+#include "fnic_res.h"
+#include "vnic_dev.h"
+#include "vnic_wq.h"
+#include "vnic_rq.h"
+#include "vnic_cq.h"
+#include "vnic_wq_copy.h"
+#include "vnic_intr.h"
+#include "vnic_stats.h"
+#include "vnic_scsi.h"
+
+#define DRV_NAME "fnic"
+#define DRV_DESCRIPTION "Cisco FCoE HBA Driver"
+#define DRV_VERSION "1.0.0.1121"
+#define PFX DRV_NAME ": "
+#define DFX DRV_NAME "%d: "
+
+#define DESC_CLEAN_LOW_WATERMARK 8
+#define FNIC_MAX_IO_REQ 2048 /* scsi_cmnd tag map entries */
+#define FNIC_IO_LOCKS 64 /* IO locks: power of 2 */
+#define FNIC_DFLT_QUEUE_DEPTH 32
+#define FNIC_STATS_RATE_LIMIT 4 /* limit rate at which stats are pulled up */
+
+/*
+ * Tag bits used for special requests.
+ */
+#define BIT(nr) (1UL << (nr))
+#define FNIC_TAG_ABORT BIT(30) /* tag bit indicating abort */
+#define FNIC_TAG_DEV_RST BIT(29) /* indicates device reset */
+#define FNIC_TAG_MASK (BIT(24) - 1) /* mask for lookup */
+#define FNIC_NO_TAG -1
+
+/*
+ * Usage of the scsi_cmnd scratchpad.
+ * These fields are locked by the hashed io_req_lock.
+ */
+#define CMD_SP(Cmnd) ((Cmnd)->SCp.ptr)
+#define CMD_STATE(Cmnd) ((Cmnd)->SCp.phase)
+#define CMD_ABTS_STATUS(Cmnd) ((Cmnd)->SCp.Message)
+#define CMD_LR_STATUS(Cmnd) ((Cmnd)->SCp.have_data_in)
+#define CMD_TAG(Cmnd) ((Cmnd)->SCp.sent_command)
+
+#define FCPIO_INVALID_CODE 0x100 /* hdr_status value unused by firmware */
+
+#define FNIC_LUN_RESET_TIMEOUT 10000 /* mSec */
+#define FNIC_HOST_RESET_TIMEOUT 10000 /* mSec */
+#define FNIC_RMDEVICE_TIMEOUT 1000 /* mSec */
+#define FNIC_HOST_RESET_SETTLE_TIME 30 /* Sec */
+
+#define FNIC_MAX_FCP_TARGET 256
+
+extern unsigned int fnic_log_level;
+
+#define FNIC_MAIN_LOGGING 0x01
+#define FNIC_FCS_LOGGING 0x02
+#define FNIC_SCSI_LOGGING 0x04
+#define FNIC_ISR_LOGGING 0x08
+
+#define FNIC_CHECK_LOGGING(LEVEL, CMD) \
+do { \
+ if (unlikely(fnic_log_level & LEVEL)) \
+ do { \
+ CMD; \
+ } while (0); \
+} while (0)
+
+#define FNIC_MAIN_DBG(kern_level, host, fmt, args...) \
+ FNIC_CHECK_LOGGING(FNIC_MAIN_LOGGING, \
+ shost_printk(kern_level, host, fmt, ##args);)
+
+#define FNIC_FCS_DBG(kern_level, host, fmt, args...) \
+ FNIC_CHECK_LOGGING(FNIC_FCS_LOGGING, \
+ shost_printk(kern_level, host, fmt, ##args);)
+
+#define FNIC_SCSI_DBG(kern_level, host, fmt, args...) \
+ FNIC_CHECK_LOGGING(FNIC_SCSI_LOGGING, \
+ shost_printk(kern_level, host, fmt, ##args);)
+
+#define FNIC_ISR_DBG(kern_level, host, fmt, args...) \
+ FNIC_CHECK_LOGGING(FNIC_ISR_LOGGING, \
+ shost_printk(kern_level, host, fmt, ##args);)
+
+extern const char *fnic_state_str[];
+
+enum fnic_intx_intr_index {
+ FNIC_INTX_WQ_RQ_COPYWQ,
+ FNIC_INTX_ERR,
+ FNIC_INTX_NOTIFY,
+ FNIC_INTX_INTR_MAX,
+};
+
+enum fnic_msix_intr_index {
+ FNIC_MSIX_RQ,
+ FNIC_MSIX_WQ,
+ FNIC_MSIX_WQ_COPY,
+ FNIC_MSIX_ERR_NOTIFY,
+ FNIC_MSIX_INTR_MAX,
+};
+
+struct fnic_msix_entry {
+ int requested;
+ char devname[IFNAMSIZ];
+ irqreturn_t (*isr)(int, void *);
+ void *devid;
+};
+
+enum fnic_state {
+ FNIC_IN_FC_MODE = 0,
+ FNIC_IN_FC_TRANS_ETH_MODE,
+ FNIC_IN_ETH_MODE,
+ FNIC_IN_ETH_TRANS_FC_MODE,
+};
+
+#define FNIC_WQ_COPY_MAX 1
+#define FNIC_WQ_MAX 1
+#define FNIC_RQ_MAX 1
+#define FNIC_CQ_MAX (FNIC_WQ_COPY_MAX + FNIC_WQ_MAX + FNIC_RQ_MAX)
+
+struct mempool;
+
+/* Per-instance private data structure */
+struct fnic {
+ struct fc_lport *lport;
+ struct vnic_dev_bar bar0;
+
+ struct msix_entry msix_entry[FNIC_MSIX_INTR_MAX];
+ struct fnic_msix_entry msix[FNIC_MSIX_INTR_MAX];
+
+ struct vnic_stats *stats;
+ unsigned long stats_time; /* time of stats update */
+ struct vnic_nic_cfg *nic_cfg;
+ char name[IFNAMSIZ];
+ struct timer_list notify_timer; /* used for MSI interrupts */
+
+ unsigned int err_intr_offset;
+ unsigned int link_intr_offset;
+
+ unsigned int wq_count;
+ unsigned int cq_count;
+
+ u32 fcoui_mode:1; /* use fcoui address*/
+ u32 vlan_hw_insert:1; /* let hw insert the tag */
+ u32 in_remove:1; /* fnic device in removal */
+ u32 stop_rx_link_events:1; /* stop proc. rx frames, link events */
+
+ struct completion *remove_wait; /* device remove thread blocks */
+
+ struct fc_frame *flogi;
+ struct fc_frame *flogi_resp;
+ u16 flogi_oxid;
+ unsigned long s_id;
+ enum fnic_state state;
+ spinlock_t fnic_lock;
+
+ u16 vlan_id; /* VLAN tag including priority */
+ u8 mac_addr[ETH_ALEN];
+ u8 dest_addr[ETH_ALEN];
+ u8 data_src_addr[ETH_ALEN];
+ u64 fcp_input_bytes; /* internal statistic */
+ u64 fcp_output_bytes; /* internal statistic */
+ u32 link_down_cnt;
+ int link_status;
+
+ struct list_head list;
+ struct pci_dev *pdev;
+ struct vnic_fc_config config;
+ struct vnic_dev *vdev;
+ unsigned int raw_wq_count;
+ unsigned int wq_copy_count;
+ unsigned int rq_count;
+ int fw_ack_index[FNIC_WQ_COPY_MAX];
+ unsigned short fw_ack_recd[FNIC_WQ_COPY_MAX];
+ unsigned short wq_copy_desc_low[FNIC_WQ_COPY_MAX];
+ unsigned int intr_count;
+ u32 __iomem *legacy_pba;
+ struct fnic_host_tag *tags;
+ mempool_t *io_req_pool;
+ mempool_t *io_sgl_pool[FNIC_SGL_NUM_CACHES];
+ spinlock_t io_req_lock[FNIC_IO_LOCKS]; /* locks for scsi cmnds */
+
+ struct work_struct link_work;
+ struct work_struct frame_work;
+ struct sk_buff_head frame_queue;
+
+ /* copy work queue cache line section */
+ ____cacheline_aligned struct vnic_wq_copy wq_copy[FNIC_WQ_COPY_MAX];
+ /* completion queue cache line section */
+ ____cacheline_aligned struct vnic_cq cq[FNIC_CQ_MAX];
+
+ spinlock_t wq_copy_lock[FNIC_WQ_COPY_MAX];
+
+ /* work queue cache line section */
+ ____cacheline_aligned struct vnic_wq wq[FNIC_WQ_MAX];
+ spinlock_t wq_lock[FNIC_WQ_MAX];
+
+ /* receive queue cache line section */
+ ____cacheline_aligned struct vnic_rq rq[FNIC_RQ_MAX];
+
+ /* interrupt resource cache line section */
+ ____cacheline_aligned struct vnic_intr intr[FNIC_MSIX_INTR_MAX];
+};
+
+extern struct workqueue_struct *fnic_event_queue;
+extern struct device_attribute *fnic_attrs[];
+
+void fnic_clear_intr_mode(struct fnic *fnic);
+int fnic_set_intr_mode(struct fnic *fnic);
+void fnic_free_intr(struct fnic *fnic);
+int fnic_request_intr(struct fnic *fnic);
+
+int fnic_send(struct fc_lport *, struct fc_frame *);
+void fnic_free_wq_buf(struct vnic_wq *wq, struct vnic_wq_buf *buf);
+void fnic_handle_frame(struct work_struct *work);
+void fnic_handle_link(struct work_struct *work);
+int fnic_rq_cmpl_handler(struct fnic *fnic, int);
+int fnic_alloc_rq_frame(struct vnic_rq *rq);
+void fnic_free_rq_buf(struct vnic_rq *rq, struct vnic_rq_buf *buf);
+int fnic_send_frame(struct fnic *fnic, struct fc_frame *fp);
+
+int fnic_queuecommand(struct scsi_cmnd *, void (*done)(struct scsi_cmnd *));
+int fnic_abort_cmd(struct scsi_cmnd *);
+int fnic_device_reset(struct scsi_cmnd *);
+int fnic_host_reset(struct scsi_cmnd *);
+int fnic_reset(struct Scsi_Host *);
+void fnic_scsi_cleanup(struct fc_lport *);
+void fnic_scsi_abort_io(struct fc_lport *);
+void fnic_empty_scsi_cleanup(struct fc_lport *);
+void fnic_exch_mgr_reset(struct fc_lport *, u32, u32);
+int fnic_wq_copy_cmpl_handler(struct fnic *fnic, int);
+int fnic_wq_cmpl_handler(struct fnic *fnic, int);
+int fnic_flogi_reg_handler(struct fnic *fnic);
+void fnic_wq_copy_cleanup_handler(struct vnic_wq_copy *wq,
+ struct fcpio_host_req *desc);
+int fnic_fw_reset_handler(struct fnic *fnic);
+void fnic_terminate_rport_io(struct fc_rport *);
+const char *fnic_state_to_str(unsigned int state);
+
+void fnic_log_q_error(struct fnic *fnic);
+void fnic_handle_link_event(struct fnic *fnic);
+
+#endif /* _FNIC_H_ */
diff --git a/drivers/scsi/fnic/fnic_attrs.c b/drivers/scsi/fnic/fnic_attrs.c
new file mode 100644
index 000000000000..aea0c3becfd4
--- /dev/null
+++ b/drivers/scsi/fnic/fnic_attrs.c
@@ -0,0 +1,56 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc. All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc. All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#include <linux/string.h>
+#include <linux/device.h>
+#include <scsi/scsi_host.h>
+#include "fnic.h"
+
+static ssize_t fnic_show_state(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct fc_lport *lp = shost_priv(class_to_shost(dev));
+ struct fnic *fnic = lport_priv(lp);
+
+ return snprintf(buf, PAGE_SIZE, "%s\n", fnic_state_str[fnic->state]);
+}
+
+static ssize_t fnic_show_drv_version(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ return snprintf(buf, PAGE_SIZE, "%s\n", DRV_VERSION);
+}
+
+static ssize_t fnic_show_link_state(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct fc_lport *lp = shost_priv(class_to_shost(dev));
+
+ return snprintf(buf, PAGE_SIZE, "%s\n", (lp->link_up)
+ ? "Link Up" : "Link Down");
+}
+
+static DEVICE_ATTR(fnic_state, S_IRUGO, fnic_show_state, NULL);
+static DEVICE_ATTR(drv_version, S_IRUGO, fnic_show_drv_version, NULL);
+static DEVICE_ATTR(link_state, S_IRUGO, fnic_show_link_state, NULL);
+
+struct device_attribute *fnic_attrs[] = {
+ &dev_attr_fnic_state,
+ &dev_attr_drv_version,
+ &dev_attr_link_state,
+ NULL,
+};
diff --git a/drivers/scsi/fnic/fnic_fcs.c b/drivers/scsi/fnic/fnic_fcs.c
new file mode 100644
index 000000000000..07e6eedb83ce
--- /dev/null
+++ b/drivers/scsi/fnic/fnic_fcs.c
@@ -0,0 +1,742 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc. All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc. All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#include <linux/errno.h>
+#include <linux/pci.h>
+#include <linux/skbuff.h>
+#include <linux/interrupt.h>
+#include <linux/spinlock.h>
+#include <linux/if_ether.h>
+#include <linux/if_vlan.h>
+#include <linux/workqueue.h>
+#include <scsi/fc/fc_els.h>
+#include <scsi/fc/fc_fcoe.h>
+#include <scsi/fc_frame.h>
+#include <scsi/libfc.h>
+#include "fnic_io.h"
+#include "fnic.h"
+#include "cq_enet_desc.h"
+#include "cq_exch_desc.h"
+
+struct workqueue_struct *fnic_event_queue;
+
+void fnic_handle_link(struct work_struct *work)
+{
+ struct fnic *fnic = container_of(work, struct fnic, link_work);
+ unsigned long flags;
+ int old_link_status;
+ u32 old_link_down_cnt;
+
+ spin_lock_irqsave(&fnic->fnic_lock, flags);
+
+ if (fnic->stop_rx_link_events) {
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+ return;
+ }
+
+ old_link_down_cnt = fnic->link_down_cnt;
+ old_link_status = fnic->link_status;
+ fnic->link_status = vnic_dev_link_status(fnic->vdev);
+ fnic->link_down_cnt = vnic_dev_link_down_cnt(fnic->vdev);
+
+ if (old_link_status == fnic->link_status) {
+ if (!fnic->link_status)
+ /* DOWN -> DOWN */
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+ else {
+ if (old_link_down_cnt != fnic->link_down_cnt) {
+ /* UP -> DOWN -> UP */
+ fnic->lport->host_stats.link_failure_count++;
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+ FNIC_FCS_DBG(KERN_DEBUG, fnic->lport->host,
+ "link down\n");
+ fc_linkdown(fnic->lport);
+ FNIC_FCS_DBG(KERN_DEBUG, fnic->lport->host,
+ "link up\n");
+ fc_linkup(fnic->lport);
+ } else
+ /* UP -> UP */
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+ }
+ } else if (fnic->link_status) {
+ /* DOWN -> UP */
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+ FNIC_FCS_DBG(KERN_DEBUG, fnic->lport->host, "link up\n");
+ fc_linkup(fnic->lport);
+ } else {
+ /* UP -> DOWN */
+ fnic->lport->host_stats.link_failure_count++;
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+ FNIC_FCS_DBG(KERN_DEBUG, fnic->lport->host, "link down\n");
+ fc_linkdown(fnic->lport);
+ }
+
+}
+
+/*
+ * This function passes incoming fabric frames to libFC
+ */
+void fnic_handle_frame(struct work_struct *work)
+{
+ struct fnic *fnic = container_of(work, struct fnic, frame_work);
+ struct fc_lport *lp = fnic->lport;
+ unsigned long flags;
+ struct sk_buff *skb;
+ struct fc_frame *fp;
+
+ while ((skb = skb_dequeue(&fnic->frame_queue))) {
+
+ spin_lock_irqsave(&fnic->fnic_lock, flags);
+ if (fnic->stop_rx_link_events) {
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+ dev_kfree_skb(skb);
+ return;
+ }
+ fp = (struct fc_frame *)skb;
+ /* if Flogi resp frame, register the address */
+ if (fr_flags(fp)) {
+ vnic_dev_add_addr(fnic->vdev,
+ fnic->data_src_addr);
+ fr_flags(fp) = 0;
+ }
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+
+ fc_exch_recv(lp, lp->emp, fp);
+ }
+
+}
+
+static inline void fnic_import_rq_fc_frame(struct sk_buff *skb,
+ u32 len, u8 sof, u8 eof)
+{
+ struct fc_frame *fp = (struct fc_frame *)skb;
+
+ skb_trim(skb, len);
+ fr_eof(fp) = eof;
+ fr_sof(fp) = sof;
+}
+
+
+static inline int fnic_import_rq_eth_pkt(struct sk_buff *skb, u32 len)
+{
+ struct fc_frame *fp;
+ struct ethhdr *eh;
+ struct vlan_ethhdr *vh;
+ struct fcoe_hdr *fcoe_hdr;
+ struct fcoe_crc_eof *ft;
+ u32 transport_len = 0;
+
+ eh = (struct ethhdr *)skb->data;
+ vh = (struct vlan_ethhdr *)skb->data;
+ if (vh->h_vlan_proto == htons(ETH_P_8021Q) &&
+ vh->h_vlan_encapsulated_proto == htons(ETH_P_FCOE)) {
+ skb_pull(skb, sizeof(struct vlan_ethhdr));
+ transport_len += sizeof(struct vlan_ethhdr);
+ } else if (eh->h_proto == htons(ETH_P_FCOE)) {
+ transport_len += sizeof(struct ethhdr);
+ skb_pull(skb, sizeof(struct ethhdr));
+ } else
+ return -1;
+
+ fcoe_hdr = (struct fcoe_hdr *)skb->data;
+ if (FC_FCOE_DECAPS_VER(fcoe_hdr) != FC_FCOE_VER)
+ return -1;
+
+ fp = (struct fc_frame *)skb;
+ fc_frame_init(fp);
+ fr_sof(fp) = fcoe_hdr->fcoe_sof;
+ skb_pull(skb, sizeof(struct fcoe_hdr));
+ transport_len += sizeof(struct fcoe_hdr);
+
+ ft = (struct fcoe_crc_eof *)(skb->data + len -
+ transport_len - sizeof(*ft));
+ fr_eof(fp) = ft->fcoe_eof;
+ skb_trim(skb, len - transport_len - sizeof(*ft));
+ return 0;
+}
+
+static inline int fnic_handle_flogi_resp(struct fnic *fnic,
+ struct fc_frame *fp)
+{
+ u8 mac[ETH_ALEN] = FC_FCOE_FLOGI_MAC;
+ struct ethhdr *eth_hdr;
+ struct fc_frame_header *fh;
+ int ret = 0;
+ unsigned long flags;
+ struct fc_frame *old_flogi_resp = NULL;
+
+ fh = (struct fc_frame_header *)fr_hdr(fp);
+
+ spin_lock_irqsave(&fnic->fnic_lock, flags);
+
+ if (fnic->state == FNIC_IN_ETH_MODE) {
+
+ /*
+ * Check if oxid matches on taking the lock. A new Flogi
+ * issued by libFC might have changed the fnic cached oxid
+ */
+ if (fnic->flogi_oxid != ntohs(fh->fh_ox_id)) {
+ FNIC_FCS_DBG(KERN_DEBUG, fnic->lport->host,
+ "Flogi response oxid not"
+ " matching cached oxid, dropping frame"
+ "\n");
+ ret = -1;
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+ dev_kfree_skb_irq(fp_skb(fp));
+ goto handle_flogi_resp_end;
+ }
+
+ /* Drop older cached flogi response frame, cache this frame */
+ old_flogi_resp = fnic->flogi_resp;
+ fnic->flogi_resp = fp;
+ fnic->flogi_oxid = FC_XID_UNKNOWN;
+
+ /*
+ * this frame is part of flogi get the src mac addr from this
+ * frame if the src mac is fcoui based then we mark the
+ * address mode flag to use fcoui base for dst mac addr
+ * otherwise we have to store the fcoe gateway addr
+ */
+ eth_hdr = (struct ethhdr *)skb_mac_header(fp_skb(fp));
+ memcpy(mac, eth_hdr->h_source, ETH_ALEN);
+
+ if (ntoh24(mac) == FC_FCOE_OUI)
+ fnic->fcoui_mode = 1;
+ else {
+ fnic->fcoui_mode = 0;
+ memcpy(fnic->dest_addr, mac, ETH_ALEN);
+ }
+
+ /*
+ * Except for Flogi frame, all outbound frames from us have the
+ * Eth Src address as FC_FCOE_OUI"our_sid". Flogi frame uses
+ * the vnic MAC address as the Eth Src address
+ */
+ fc_fcoe_set_mac(fnic->data_src_addr, fh->fh_d_id);
+
+ /* We get our s_id from the d_id of the flogi resp frame */
+ fnic->s_id = ntoh24(fh->fh_d_id);
+
+ /* Change state to reflect transition from Eth to FC mode */
+ fnic->state = FNIC_IN_ETH_TRANS_FC_MODE;
+
+ } else {
+ FNIC_FCS_DBG(KERN_DEBUG, fnic->lport->host,
+ "Unexpected fnic state %s while"
+ " processing flogi resp\n",
+ fnic_state_to_str(fnic->state));
+ ret = -1;
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+ dev_kfree_skb_irq(fp_skb(fp));
+ goto handle_flogi_resp_end;
+ }
+
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+
+ /* Drop older cached frame */
+ if (old_flogi_resp)
+ dev_kfree_skb_irq(fp_skb(old_flogi_resp));
+
+ /*
+ * send flogi reg request to firmware, this will put the fnic in
+ * in FC mode
+ */
+ ret = fnic_flogi_reg_handler(fnic);
+
+ if (ret < 0) {
+ int free_fp = 1;
+ spin_lock_irqsave(&fnic->fnic_lock, flags);
+ /*
+ * free the frame is some other thread is not
+ * pointing to it
+ */
+ if (fnic->flogi_resp != fp)
+ free_fp = 0;
+ else
+ fnic->flogi_resp = NULL;
+
+ if (fnic->state == FNIC_IN_ETH_TRANS_FC_MODE)
+ fnic->state = FNIC_IN_ETH_MODE;
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+ if (free_fp)
+ dev_kfree_skb_irq(fp_skb(fp));
+ }
+
+ handle_flogi_resp_end:
+ return ret;
+}
+
+/* Returns 1 for a response that matches cached flogi oxid */
+static inline int is_matching_flogi_resp_frame(struct fnic *fnic,
+ struct fc_frame *fp)
+{
+ struct fc_frame_header *fh;
+ int ret = 0;
+ u32 f_ctl;
+
+ fh = fc_frame_header_get(fp);
+ f_ctl = ntoh24(fh->fh_f_ctl);
+
+ if (fnic->flogi_oxid == ntohs(fh->fh_ox_id) &&
+ fh->fh_r_ctl == FC_RCTL_ELS_REP &&
+ (f_ctl & (FC_FC_EX_CTX | FC_FC_SEQ_CTX)) == FC_FC_EX_CTX &&
+ fh->fh_type == FC_TYPE_ELS)
+ ret = 1;
+
+ return ret;
+}
+
+static void fnic_rq_cmpl_frame_recv(struct vnic_rq *rq, struct cq_desc
+ *cq_desc, struct vnic_rq_buf *buf,
+ int skipped __attribute__((unused)),
+ void *opaque)
+{
+ struct fnic *fnic = vnic_dev_priv(rq->vdev);
+ struct sk_buff *skb;
+ struct fc_frame *fp;
+ unsigned int eth_hdrs_stripped;
+ u8 type, color, eop, sop, ingress_port, vlan_stripped;
+ u8 fcoe = 0, fcoe_sof, fcoe_eof;
+ u8 fcoe_fc_crc_ok = 1, fcoe_enc_error = 0;
+ u8 tcp_udp_csum_ok, udp, tcp, ipv4_csum_ok;
+ u8 ipv6, ipv4, ipv4_fragment, rss_type, csum_not_calc;
+ u8 fcs_ok = 1, packet_error = 0;
+ u16 q_number, completed_index, bytes_written = 0, vlan, checksum;
+ u32 rss_hash;
+ u16 exchange_id, tmpl;
+ u8 sof = 0;
+ u8 eof = 0;
+ u32 fcp_bytes_written = 0;
+ unsigned long flags;
+
+ pci_unmap_single(fnic->pdev, buf->dma_addr, buf->len,
+ PCI_DMA_FROMDEVICE);
+ skb = buf->os_buf;
+ buf->os_buf = NULL;
+
+ cq_desc_dec(cq_desc, &type, &color, &q_number, &completed_index);
+ if (type == CQ_DESC_TYPE_RQ_FCP) {
+ cq_fcp_rq_desc_dec((struct cq_fcp_rq_desc *)cq_desc,
+ &type, &color, &q_number, &completed_index,
+ &eop, &sop, &fcoe_fc_crc_ok, &exchange_id,
+ &tmpl, &fcp_bytes_written, &sof, &eof,
+ &ingress_port, &packet_error,
+ &fcoe_enc_error, &fcs_ok, &vlan_stripped,
+ &vlan);
+ eth_hdrs_stripped = 1;
+
+ } else if (type == CQ_DESC_TYPE_RQ_ENET) {
+ cq_enet_rq_desc_dec((struct cq_enet_rq_desc *)cq_desc,
+ &type, &color, &q_number, &completed_index,
+ &ingress_port, &fcoe, &eop, &sop,
+ &rss_type, &csum_not_calc, &rss_hash,
+ &bytes_written, &packet_error,
+ &vlan_stripped, &vlan, &checksum,
+ &fcoe_sof, &fcoe_fc_crc_ok,
+ &fcoe_enc_error, &fcoe_eof,
+ &tcp_udp_csum_ok, &udp, &tcp,
+ &ipv4_csum_ok, &ipv6, &ipv4,
+ &ipv4_fragment, &fcs_ok);
+ eth_hdrs_stripped = 0;
+
+ } else {
+ /* wrong CQ type*/
+ shost_printk(KERN_ERR, fnic->lport->host,
+ "fnic rq_cmpl wrong cq type x%x\n", type);
+ goto drop;
+ }
+
+ if (!fcs_ok || packet_error || !fcoe_fc_crc_ok || fcoe_enc_error) {
+ FNIC_FCS_DBG(KERN_DEBUG, fnic->lport->host,
+ "fnic rq_cmpl fcoe x%x fcsok x%x"
+ " pkterr x%x fcoe_fc_crc_ok x%x, fcoe_enc_err"
+ " x%x\n",
+ fcoe, fcs_ok, packet_error,
+ fcoe_fc_crc_ok, fcoe_enc_error);
+ goto drop;
+ }
+
+ if (eth_hdrs_stripped)
+ fnic_import_rq_fc_frame(skb, fcp_bytes_written, sof, eof);
+ else if (fnic_import_rq_eth_pkt(skb, bytes_written))
+ goto drop;
+
+ fp = (struct fc_frame *)skb;
+
+ /*
+ * If frame is an ELS response that matches the cached FLOGI OX_ID,
+ * and is accept, issue flogi_reg_request copy wq request to firmware
+ * to register the S_ID and determine whether FC_OUI mode or GW mode.
+ */
+ if (is_matching_flogi_resp_frame(fnic, fp)) {
+ if (!eth_hdrs_stripped) {
+ if (fc_frame_payload_op(fp) == ELS_LS_ACC) {
+ fnic_handle_flogi_resp(fnic, fp);
+ return;
+ }
+ /*
+ * Recd. Flogi reject. No point registering
+ * with fw, but forward to libFC
+ */
+ goto forward;
+ }
+ goto drop;
+ }
+ if (!eth_hdrs_stripped)
+ goto drop;
+
+forward:
+ spin_lock_irqsave(&fnic->fnic_lock, flags);
+ if (fnic->stop_rx_link_events) {
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+ goto drop;
+ }
+ /* Use fr_flags to indicate whether succ. flogi resp or not */
+ fr_flags(fp) = 0;
+ fr_dev(fp) = fnic->lport;
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+
+ skb_queue_tail(&fnic->frame_queue, skb);
+ queue_work(fnic_event_queue, &fnic->frame_work);
+
+ return;
+drop:
+ dev_kfree_skb_irq(skb);
+}
+
+static int fnic_rq_cmpl_handler_cont(struct vnic_dev *vdev,
+ struct cq_desc *cq_desc, u8 type,
+ u16 q_number, u16 completed_index,
+ void *opaque)
+{
+ struct fnic *fnic = vnic_dev_priv(vdev);
+
+ vnic_rq_service(&fnic->rq[q_number], cq_desc, completed_index,
+ VNIC_RQ_RETURN_DESC, fnic_rq_cmpl_frame_recv,
+ NULL);
+ return 0;
+}
+
+int fnic_rq_cmpl_handler(struct fnic *fnic, int rq_work_to_do)
+{
+ unsigned int tot_rq_work_done = 0, cur_work_done;
+ unsigned int i;
+ int err;
+
+ for (i = 0; i < fnic->rq_count; i++) {
+ cur_work_done = vnic_cq_service(&fnic->cq[i], rq_work_to_do,
+ fnic_rq_cmpl_handler_cont,
+ NULL);
+ if (cur_work_done) {
+ err = vnic_rq_fill(&fnic->rq[i], fnic_alloc_rq_frame);
+ if (err)
+ shost_printk(KERN_ERR, fnic->lport->host,
+ "fnic_alloc_rq_frame cant alloc"
+ " frame\n");
+ }
+ tot_rq_work_done += cur_work_done;
+ }
+
+ return tot_rq_work_done;
+}
+
+/*
+ * This function is called once at init time to allocate and fill RQ
+ * buffers. Subsequently, it is called in the interrupt context after RQ
+ * buffer processing to replenish the buffers in the RQ
+ */
+int fnic_alloc_rq_frame(struct vnic_rq *rq)
+{
+ struct fnic *fnic = vnic_dev_priv(rq->vdev);
+ struct sk_buff *skb;
+ u16 len;
+ dma_addr_t pa;
+
+ len = FC_FRAME_HEADROOM + FC_MAX_FRAME + FC_FRAME_TAILROOM;
+ skb = dev_alloc_skb(len);
+ if (!skb) {
+ FNIC_FCS_DBG(KERN_DEBUG, fnic->lport->host,
+ "Unable to allocate RQ sk_buff\n");
+ return -ENOMEM;
+ }
+ skb_reset_mac_header(skb);
+ skb_reset_transport_header(skb);
+ skb_reset_network_header(skb);
+ skb_put(skb, len);
+ pa = pci_map_single(fnic->pdev, skb->data, len, PCI_DMA_FROMDEVICE);
+ fnic_queue_rq_desc(rq, skb, pa, len);
+ return 0;
+}
+
+void fnic_free_rq_buf(struct vnic_rq *rq, struct vnic_rq_buf *buf)
+{
+ struct fc_frame *fp = buf->os_buf;
+ struct fnic *fnic = vnic_dev_priv(rq->vdev);
+
+ pci_unmap_single(fnic->pdev, buf->dma_addr, buf->len,
+ PCI_DMA_FROMDEVICE);
+
+ dev_kfree_skb(fp_skb(fp));
+ buf->os_buf = NULL;
+}
+
+static inline int is_flogi_frame(struct fc_frame_header *fh)
+{
+ return fh->fh_r_ctl == FC_RCTL_ELS_REQ && *(u8 *)(fh + 1) == ELS_FLOGI;
+}
+
+int fnic_send_frame(struct fnic *fnic, struct fc_frame *fp)
+{
+ struct vnic_wq *wq = &fnic->wq[0];
+ struct sk_buff *skb;
+ dma_addr_t pa;
+ struct ethhdr *eth_hdr;
+ struct vlan_ethhdr *vlan_hdr;
+ struct fcoe_hdr *fcoe_hdr;
+ struct fc_frame_header *fh;
+ u32 tot_len, eth_hdr_len;
+ int ret = 0;
+ unsigned long flags;
+
+ fh = fc_frame_header_get(fp);
+ skb = fp_skb(fp);
+
+ if (!fnic->vlan_hw_insert) {
+ eth_hdr_len = sizeof(*vlan_hdr) + sizeof(*fcoe_hdr);
+ vlan_hdr = (struct vlan_ethhdr *)skb_push(skb, eth_hdr_len);
+ eth_hdr = (struct ethhdr *)vlan_hdr;
+ vlan_hdr->h_vlan_proto = htons(ETH_P_8021Q);
+ vlan_hdr->h_vlan_encapsulated_proto = htons(ETH_P_FCOE);
+ vlan_hdr->h_vlan_TCI = htons(fnic->vlan_id);
+ fcoe_hdr = (struct fcoe_hdr *)(vlan_hdr + 1);
+ } else {
+ eth_hdr_len = sizeof(*eth_hdr) + sizeof(*fcoe_hdr);
+ eth_hdr = (struct ethhdr *)skb_push(skb, eth_hdr_len);
+ eth_hdr->h_proto = htons(ETH_P_FCOE);
+ fcoe_hdr = (struct fcoe_hdr *)(eth_hdr + 1);
+ }
+
+ if (is_flogi_frame(fh)) {
+ fc_fcoe_set_mac(eth_hdr->h_dest, fh->fh_d_id);
+ memcpy(eth_hdr->h_source, fnic->mac_addr, ETH_ALEN);
+ } else {
+ if (fnic->fcoui_mode)
+ fc_fcoe_set_mac(eth_hdr->h_dest, fh->fh_d_id);
+ else
+ memcpy(eth_hdr->h_dest, fnic->dest_addr, ETH_ALEN);
+ memcpy(eth_hdr->h_source, fnic->data_src_addr, ETH_ALEN);
+ }
+
+ tot_len = skb->len;
+ BUG_ON(tot_len % 4);
+
+ memset(fcoe_hdr, 0, sizeof(*fcoe_hdr));
+ fcoe_hdr->fcoe_sof = fr_sof(fp);
+ if (FC_FCOE_VER)
+ FC_FCOE_ENCAPS_VER(fcoe_hdr, FC_FCOE_VER);
+
+ pa = pci_map_single(fnic->pdev, eth_hdr, tot_len, PCI_DMA_TODEVICE);
+
+ spin_lock_irqsave(&fnic->wq_lock[0], flags);
+
+ if (!vnic_wq_desc_avail(wq)) {
+ pci_unmap_single(fnic->pdev, pa,
+ tot_len, PCI_DMA_TODEVICE);
+ ret = -1;
+ goto fnic_send_frame_end;
+ }
+
+ fnic_queue_wq_desc(wq, skb, pa, tot_len, fr_eof(fp),
+ fnic->vlan_hw_insert, fnic->vlan_id, 1, 1, 1);
+fnic_send_frame_end:
+ spin_unlock_irqrestore(&fnic->wq_lock[0], flags);
+
+ if (ret)
+ dev_kfree_skb_any(fp_skb(fp));
+
+ return ret;
+}
+
+/*
+ * fnic_send
+ * Routine to send a raw frame
+ */
+int fnic_send(struct fc_lport *lp, struct fc_frame *fp)
+{
+ struct fnic *fnic = lport_priv(lp);
+ struct fc_frame_header *fh;
+ int ret = 0;
+ enum fnic_state old_state;
+ unsigned long flags;
+ struct fc_frame *old_flogi = NULL;
+ struct fc_frame *old_flogi_resp = NULL;
+
+ if (fnic->in_remove) {
+ dev_kfree_skb(fp_skb(fp));
+ ret = -1;
+ goto fnic_send_end;
+ }
+
+ fh = fc_frame_header_get(fp);
+ /* if not an Flogi frame, send it out, this is the common case */
+ if (!is_flogi_frame(fh))
+ return fnic_send_frame(fnic, fp);
+
+ /* Flogi frame, now enter the state machine */
+
+ spin_lock_irqsave(&fnic->fnic_lock, flags);
+again:
+ /* Get any old cached frames, free them after dropping lock */
+ old_flogi = fnic->flogi;
+ fnic->flogi = NULL;
+ old_flogi_resp = fnic->flogi_resp;
+ fnic->flogi_resp = NULL;
+
+ fnic->flogi_oxid = FC_XID_UNKNOWN;
+
+ old_state = fnic->state;
+ switch (old_state) {
+ case FNIC_IN_FC_MODE:
+ case FNIC_IN_ETH_TRANS_FC_MODE:
+ default:
+ fnic->state = FNIC_IN_FC_TRANS_ETH_MODE;
+ vnic_dev_del_addr(fnic->vdev, fnic->data_src_addr);
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+
+ if (old_flogi) {
+ dev_kfree_skb(fp_skb(old_flogi));
+ old_flogi = NULL;
+ }
+ if (old_flogi_resp) {
+ dev_kfree_skb(fp_skb(old_flogi_resp));
+ old_flogi_resp = NULL;
+ }
+
+ ret = fnic_fw_reset_handler(fnic);
+
+ spin_lock_irqsave(&fnic->fnic_lock, flags);
+ if (fnic->state != FNIC_IN_FC_TRANS_ETH_MODE)
+ goto again;
+ if (ret) {
+ fnic->state = old_state;
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+ dev_kfree_skb(fp_skb(fp));
+ goto fnic_send_end;
+ }
+ old_flogi = fnic->flogi;
+ fnic->flogi = fp;
+ fnic->flogi_oxid = ntohs(fh->fh_ox_id);
+ old_flogi_resp = fnic->flogi_resp;
+ fnic->flogi_resp = NULL;
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+ break;
+
+ case FNIC_IN_FC_TRANS_ETH_MODE:
+ /*
+ * A reset is pending with the firmware. Store the flogi
+ * and its oxid. The transition out of this state happens
+ * only when Firmware completes the reset, either with
+ * success or failed. If success, transition to
+ * FNIC_IN_ETH_MODE, if fail, then transition to
+ * FNIC_IN_FC_MODE
+ */
+ fnic->flogi = fp;
+ fnic->flogi_oxid = ntohs(fh->fh_ox_id);
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+ break;
+
+ case FNIC_IN_ETH_MODE:
+ /*
+ * The fw/hw is already in eth mode. Store the oxid,
+ * and send the flogi frame out. The transition out of this
+ * state happens only we receive flogi response from the
+ * network, and the oxid matches the cached oxid when the
+ * flogi frame was sent out. If they match, then we issue
+ * a flogi_reg request and transition to state
+ * FNIC_IN_ETH_TRANS_FC_MODE
+ */
+ fnic->flogi_oxid = ntohs(fh->fh_ox_id);
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+ ret = fnic_send_frame(fnic, fp);
+ break;
+ }
+
+fnic_send_end:
+ if (old_flogi)
+ dev_kfree_skb(fp_skb(old_flogi));
+ if (old_flogi_resp)
+ dev_kfree_skb(fp_skb(old_flogi_resp));
+ return ret;
+}
+
+static void fnic_wq_complete_frame_send(struct vnic_wq *wq,
+ struct cq_desc *cq_desc,
+ struct vnic_wq_buf *buf, void *opaque)
+{
+ struct sk_buff *skb = buf->os_buf;
+ struct fc_frame *fp = (struct fc_frame *)skb;
+ struct fnic *fnic = vnic_dev_priv(wq->vdev);
+
+ pci_unmap_single(fnic->pdev, buf->dma_addr,
+ buf->len, PCI_DMA_TODEVICE);
+ dev_kfree_skb_irq(fp_skb(fp));
+ buf->os_buf = NULL;
+}
+
+static int fnic_wq_cmpl_handler_cont(struct vnic_dev *vdev,
+ struct cq_desc *cq_desc, u8 type,
+ u16 q_number, u16 completed_index,
+ void *opaque)
+{
+ struct fnic *fnic = vnic_dev_priv(vdev);
+ unsigned long flags;
+
+ spin_lock_irqsave(&fnic->wq_lock[q_number], flags);
+ vnic_wq_service(&fnic->wq[q_number], cq_desc, completed_index,
+ fnic_wq_complete_frame_send, NULL);
+ spin_unlock_irqrestore(&fnic->wq_lock[q_number], flags);
+
+ return 0;
+}
+
+int fnic_wq_cmpl_handler(struct fnic *fnic, int work_to_do)
+{
+ unsigned int wq_work_done = 0;
+ unsigned int i;
+
+ for (i = 0; i < fnic->raw_wq_count; i++) {
+ wq_work_done += vnic_cq_service(&fnic->cq[fnic->rq_count+i],
+ work_to_do,
+ fnic_wq_cmpl_handler_cont,
+ NULL);
+ }
+
+ return wq_work_done;
+}
+
+
+void fnic_free_wq_buf(struct vnic_wq *wq, struct vnic_wq_buf *buf)
+{
+ struct fc_frame *fp = buf->os_buf;
+ struct fnic *fnic = vnic_dev_priv(wq->vdev);
+
+ pci_unmap_single(fnic->pdev, buf->dma_addr,
+ buf->len, PCI_DMA_TODEVICE);
+
+ dev_kfree_skb(fp_skb(fp));
+ buf->os_buf = NULL;
+}
diff --git a/drivers/scsi/fnic/fnic_io.h b/drivers/scsi/fnic/fnic_io.h
new file mode 100644
index 000000000000..f0b896988cd5
--- /dev/null
+++ b/drivers/scsi/fnic/fnic_io.h
@@ -0,0 +1,67 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc. All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc. All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef _FNIC_IO_H_
+#define _FNIC_IO_H_
+
+#include <scsi/fc/fc_fcp.h>
+
+#define FNIC_DFLT_SG_DESC_CNT 32
+#define FNIC_MAX_SG_DESC_CNT 1024 /* Maximum descriptors per sgl */
+#define FNIC_SG_DESC_ALIGN 16 /* Descriptor address alignment */
+
+struct host_sg_desc {
+ __le64 addr;
+ __le32 len;
+ u32 _resvd;
+};
+
+struct fnic_dflt_sgl_list {
+ struct host_sg_desc sg_desc[FNIC_DFLT_SG_DESC_CNT];
+};
+
+struct fnic_sgl_list {
+ struct host_sg_desc sg_desc[FNIC_MAX_SG_DESC_CNT];
+};
+
+enum fnic_sgl_list_type {
+ FNIC_SGL_CACHE_DFLT = 0, /* cache with default size sgl */
+ FNIC_SGL_CACHE_MAX, /* cache with max size sgl */
+ FNIC_SGL_NUM_CACHES /* number of sgl caches */
+};
+
+enum fnic_ioreq_state {
+ FNIC_IOREQ_CMD_PENDING = 0,
+ FNIC_IOREQ_ABTS_PENDING,
+ FNIC_IOREQ_ABTS_COMPLETE,
+ FNIC_IOREQ_CMD_COMPLETE,
+};
+
+struct fnic_io_req {
+ struct host_sg_desc *sgl_list; /* sgl list */
+ void *sgl_list_alloc; /* sgl list address used for free */
+ dma_addr_t sense_buf_pa; /* dma address for sense buffer*/
+ dma_addr_t sgl_list_pa; /* dma address for sgl list */
+ u16 sgl_cnt;
+ u8 sgl_type; /* device DMA descriptor list type */
+ u8 io_completed:1; /* set to 1 when fw completes IO */
+ u32 port_id; /* remote port DID */
+ struct completion *abts_done; /* completion for abts */
+ struct completion *dr_done; /* completion for device reset */
+};
+
+#endif /* _FNIC_IO_H_ */
diff --git a/drivers/scsi/fnic/fnic_isr.c b/drivers/scsi/fnic/fnic_isr.c
new file mode 100644
index 000000000000..2b3064828aea
--- /dev/null
+++ b/drivers/scsi/fnic/fnic_isr.c
@@ -0,0 +1,332 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc. All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc. All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#include <linux/string.h>
+#include <linux/errno.h>
+#include <linux/pci.h>
+#include <linux/interrupt.h>
+#include <scsi/libfc.h>
+#include <scsi/fc_frame.h>
+#include "vnic_dev.h"
+#include "vnic_intr.h"
+#include "vnic_stats.h"
+#include "fnic_io.h"
+#include "fnic.h"
+
+static irqreturn_t fnic_isr_legacy(int irq, void *data)
+{
+ struct fnic *fnic = data;
+ u32 pba;
+ unsigned long work_done = 0;
+
+ pba = vnic_intr_legacy_pba(fnic->legacy_pba);
+ if (!pba)
+ return IRQ_NONE;
+
+ if (pba & (1 << FNIC_INTX_NOTIFY)) {
+ vnic_intr_return_all_credits(&fnic->intr[FNIC_INTX_NOTIFY]);
+ fnic_handle_link_event(fnic);
+ }
+
+ if (pba & (1 << FNIC_INTX_ERR)) {
+ vnic_intr_return_all_credits(&fnic->intr[FNIC_INTX_ERR]);
+ fnic_log_q_error(fnic);
+ }
+
+ if (pba & (1 << FNIC_INTX_WQ_RQ_COPYWQ)) {
+ work_done += fnic_wq_copy_cmpl_handler(fnic, 8);
+ work_done += fnic_wq_cmpl_handler(fnic, 4);
+ work_done += fnic_rq_cmpl_handler(fnic, 4);
+
+ vnic_intr_return_credits(&fnic->intr[FNIC_INTX_WQ_RQ_COPYWQ],
+ work_done,
+ 1 /* unmask intr */,
+ 1 /* reset intr timer */);
+ }
+
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t fnic_isr_msi(int irq, void *data)
+{
+ struct fnic *fnic = data;
+ unsigned long work_done = 0;
+
+ work_done += fnic_wq_copy_cmpl_handler(fnic, 8);
+ work_done += fnic_wq_cmpl_handler(fnic, 4);
+ work_done += fnic_rq_cmpl_handler(fnic, 4);
+
+ vnic_intr_return_credits(&fnic->intr[0],
+ work_done,
+ 1 /* unmask intr */,
+ 1 /* reset intr timer */);
+
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t fnic_isr_msix_rq(int irq, void *data)
+{
+ struct fnic *fnic = data;
+ unsigned long rq_work_done = 0;
+
+ rq_work_done = fnic_rq_cmpl_handler(fnic, 4);
+ vnic_intr_return_credits(&fnic->intr[FNIC_MSIX_RQ],
+ rq_work_done,
+ 1 /* unmask intr */,
+ 1 /* reset intr timer */);
+
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t fnic_isr_msix_wq(int irq, void *data)
+{
+ struct fnic *fnic = data;
+ unsigned long wq_work_done = 0;
+
+ wq_work_done = fnic_wq_cmpl_handler(fnic, 4);
+ vnic_intr_return_credits(&fnic->intr[FNIC_MSIX_WQ],
+ wq_work_done,
+ 1 /* unmask intr */,
+ 1 /* reset intr timer */);
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t fnic_isr_msix_wq_copy(int irq, void *data)
+{
+ struct fnic *fnic = data;
+ unsigned long wq_copy_work_done = 0;
+
+ wq_copy_work_done = fnic_wq_copy_cmpl_handler(fnic, 8);
+ vnic_intr_return_credits(&fnic->intr[FNIC_MSIX_WQ_COPY],
+ wq_copy_work_done,
+ 1 /* unmask intr */,
+ 1 /* reset intr timer */);
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t fnic_isr_msix_err_notify(int irq, void *data)
+{
+ struct fnic *fnic = data;
+
+ vnic_intr_return_all_credits(&fnic->intr[FNIC_MSIX_ERR_NOTIFY]);
+ fnic_log_q_error(fnic);
+ fnic_handle_link_event(fnic);
+
+ return IRQ_HANDLED;
+}
+
+void fnic_free_intr(struct fnic *fnic)
+{
+ int i;
+
+ switch (vnic_dev_get_intr_mode(fnic->vdev)) {
+ case VNIC_DEV_INTR_MODE_INTX:
+ case VNIC_DEV_INTR_MODE_MSI:
+ free_irq(fnic->pdev->irq, fnic);
+ break;
+
+ case VNIC_DEV_INTR_MODE_MSIX:
+ for (i = 0; i < ARRAY_SIZE(fnic->msix); i++)
+ if (fnic->msix[i].requested)
+ free_irq(fnic->msix_entry[i].vector,
+ fnic->msix[i].devid);
+ break;
+
+ default:
+ break;
+ }
+}
+
+int fnic_request_intr(struct fnic *fnic)
+{
+ int err = 0;
+ int i;
+
+ switch (vnic_dev_get_intr_mode(fnic->vdev)) {
+
+ case VNIC_DEV_INTR_MODE_INTX:
+ err = request_irq(fnic->pdev->irq, &fnic_isr_legacy,
+ IRQF_SHARED, DRV_NAME, fnic);
+ break;
+
+ case VNIC_DEV_INTR_MODE_MSI:
+ err = request_irq(fnic->pdev->irq, &fnic_isr_msi,
+ 0, fnic->name, fnic);
+ break;
+
+ case VNIC_DEV_INTR_MODE_MSIX:
+
+ sprintf(fnic->msix[FNIC_MSIX_RQ].devname,
+ "%.11s-fcs-rq", fnic->name);
+ fnic->msix[FNIC_MSIX_RQ].isr = fnic_isr_msix_rq;
+ fnic->msix[FNIC_MSIX_RQ].devid = fnic;
+
+ sprintf(fnic->msix[FNIC_MSIX_WQ].devname,
+ "%.11s-fcs-wq", fnic->name);
+ fnic->msix[FNIC_MSIX_WQ].isr = fnic_isr_msix_wq;
+ fnic->msix[FNIC_MSIX_WQ].devid = fnic;
+
+ sprintf(fnic->msix[FNIC_MSIX_WQ_COPY].devname,
+ "%.11s-scsi-wq", fnic->name);
+ fnic->msix[FNIC_MSIX_WQ_COPY].isr = fnic_isr_msix_wq_copy;
+ fnic->msix[FNIC_MSIX_WQ_COPY].devid = fnic;
+
+ sprintf(fnic->msix[FNIC_MSIX_ERR_NOTIFY].devname,
+ "%.11s-err-notify", fnic->name);
+ fnic->msix[FNIC_MSIX_ERR_NOTIFY].isr =
+ fnic_isr_msix_err_notify;
+ fnic->msix[FNIC_MSIX_ERR_NOTIFY].devid = fnic;
+
+ for (i = 0; i < ARRAY_SIZE(fnic->msix); i++) {
+ err = request_irq(fnic->msix_entry[i].vector,
+ fnic->msix[i].isr, 0,
+ fnic->msix[i].devname,
+ fnic->msix[i].devid);
+ if (err) {
+ shost_printk(KERN_ERR, fnic->lport->host,
+ "MSIX: request_irq"
+ " failed %d\n", err);
+ fnic_free_intr(fnic);
+ break;
+ }
+ fnic->msix[i].requested = 1;
+ }
+ break;
+
+ default:
+ break;
+ }
+
+ return err;
+}
+
+int fnic_set_intr_mode(struct fnic *fnic)
+{
+ unsigned int n = ARRAY_SIZE(fnic->rq);
+ unsigned int m = ARRAY_SIZE(fnic->wq);
+ unsigned int o = ARRAY_SIZE(fnic->wq_copy);
+ unsigned int i;
+
+ /*
+ * Set interrupt mode (INTx, MSI, MSI-X) depending
+ * system capabilities.
+ *
+ * Try MSI-X first
+ *
+ * We need n RQs, m WQs, o Copy WQs, n+m+o CQs, and n+m+o+1 INTRs
+ * (last INTR is used for WQ/RQ errors and notification area)
+ */
+
+ BUG_ON(ARRAY_SIZE(fnic->msix_entry) < n + m + o + 1);
+ for (i = 0; i < n + m + o + 1; i++)
+ fnic->msix_entry[i].entry = i;
+
+ if (fnic->rq_count >= n &&
+ fnic->raw_wq_count >= m &&
+ fnic->wq_copy_count >= o &&
+ fnic->cq_count >= n + m + o) {
+ if (!pci_enable_msix(fnic->pdev, fnic->msix_entry,
+ n + m + o + 1)) {
+ fnic->rq_count = n;
+ fnic->raw_wq_count = m;
+ fnic->wq_copy_count = o;
+ fnic->wq_count = m + o;
+ fnic->cq_count = n + m + o;
+ fnic->intr_count = n + m + o + 1;
+ fnic->err_intr_offset = FNIC_MSIX_ERR_NOTIFY;
+
+ FNIC_ISR_DBG(KERN_DEBUG, fnic->lport->host,
+ "Using MSI-X Interrupts\n");
+ vnic_dev_set_intr_mode(fnic->vdev,
+ VNIC_DEV_INTR_MODE_MSIX);
+ return 0;
+ }
+ }
+
+ /*
+ * Next try MSI
+ * We need 1 RQ, 1 WQ, 1 WQ_COPY, 3 CQs, and 1 INTR
+ */
+ if (fnic->rq_count >= 1 &&
+ fnic->raw_wq_count >= 1 &&
+ fnic->wq_copy_count >= 1 &&
+ fnic->cq_count >= 3 &&
+ fnic->intr_count >= 1 &&
+ !pci_enable_msi(fnic->pdev)) {
+
+ fnic->rq_count = 1;
+ fnic->raw_wq_count = 1;
+ fnic->wq_copy_count = 1;
+ fnic->wq_count = 2;
+ fnic->cq_count = 3;
+ fnic->intr_count = 1;
+ fnic->err_intr_offset = 0;
+
+ FNIC_ISR_DBG(KERN_DEBUG, fnic->lport->host,
+ "Using MSI Interrupts\n");
+ vnic_dev_set_intr_mode(fnic->vdev, VNIC_DEV_INTR_MODE_MSI);
+
+ return 0;
+ }
+
+ /*
+ * Next try INTx
+ * We need 1 RQ, 1 WQ, 1 WQ_COPY, 3 CQs, and 3 INTRs
+ * 1 INTR is used for all 3 queues, 1 INTR for queue errors
+ * 1 INTR for notification area
+ */
+
+ if (fnic->rq_count >= 1 &&
+ fnic->raw_wq_count >= 1 &&
+ fnic->wq_copy_count >= 1 &&
+ fnic->cq_count >= 3 &&
+ fnic->intr_count >= 3) {
+
+ fnic->rq_count = 1;
+ fnic->raw_wq_count = 1;
+ fnic->wq_copy_count = 1;
+ fnic->cq_count = 3;
+ fnic->intr_count = 3;
+
+ FNIC_ISR_DBG(KERN_DEBUG, fnic->lport->host,
+ "Using Legacy Interrupts\n");
+ vnic_dev_set_intr_mode(fnic->vdev, VNIC_DEV_INTR_MODE_INTX);
+
+ return 0;
+ }
+
+ vnic_dev_set_intr_mode(fnic->vdev, VNIC_DEV_INTR_MODE_UNKNOWN);
+
+ return -EINVAL;
+}
+
+void fnic_clear_intr_mode(struct fnic *fnic)
+{
+ switch (vnic_dev_get_intr_mode(fnic->vdev)) {
+ case VNIC_DEV_INTR_MODE_MSIX:
+ pci_disable_msix(fnic->pdev);
+ break;
+ case VNIC_DEV_INTR_MODE_MSI:
+ pci_disable_msi(fnic->pdev);
+ break;
+ default:
+ break;
+ }
+
+ vnic_dev_set_intr_mode(fnic->vdev, VNIC_DEV_INTR_MODE_INTX);
+}
+
diff --git a/drivers/scsi/fnic/fnic_main.c b/drivers/scsi/fnic/fnic_main.c
new file mode 100644
index 000000000000..32ef6b87d895
--- /dev/null
+++ b/drivers/scsi/fnic/fnic_main.c
@@ -0,0 +1,942 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc. All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc. All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#include <linux/module.h>
+#include <linux/mempool.h>
+#include <linux/string.h>
+#include <linux/errno.h>
+#include <linux/init.h>
+#include <linux/pci.h>
+#include <linux/skbuff.h>
+#include <linux/interrupt.h>
+#include <linux/spinlock.h>
+#include <linux/workqueue.h>
+#include <scsi/scsi_host.h>
+#include <scsi/scsi_transport.h>
+#include <scsi/scsi_transport_fc.h>
+#include <scsi/scsi_tcq.h>
+#include <scsi/libfc.h>
+#include <scsi/fc_frame.h>
+
+#include "vnic_dev.h"
+#include "vnic_intr.h"
+#include "vnic_stats.h"
+#include "fnic_io.h"
+#include "fnic.h"
+
+#define PCI_DEVICE_ID_CISCO_FNIC 0x0045
+
+/* Timer to poll notification area for events. Used for MSI interrupts */
+#define FNIC_NOTIFY_TIMER_PERIOD (2 * HZ)
+
+static struct kmem_cache *fnic_sgl_cache[FNIC_SGL_NUM_CACHES];
+static struct kmem_cache *fnic_io_req_cache;
+LIST_HEAD(fnic_list);
+DEFINE_SPINLOCK(fnic_list_lock);
+
+/* Supported devices by fnic module */
+static struct pci_device_id fnic_id_table[] = {
+ { PCI_DEVICE(PCI_VENDOR_ID_CISCO, PCI_DEVICE_ID_CISCO_FNIC) },
+ { 0, }
+};
+
+MODULE_DESCRIPTION(DRV_DESCRIPTION);
+MODULE_AUTHOR("Abhijeet Joglekar <abjoglek@cisco.com>, "
+ "Joseph R. Eykholt <jeykholt@cisco.com>");
+MODULE_LICENSE("GPL v2");
+MODULE_VERSION(DRV_VERSION);
+MODULE_DEVICE_TABLE(pci, fnic_id_table);
+
+unsigned int fnic_log_level;
+module_param(fnic_log_level, int, S_IRUGO|S_IWUSR);
+MODULE_PARM_DESC(fnic_log_level, "bit mask of fnic logging levels");
+
+
+static struct libfc_function_template fnic_transport_template = {
+ .frame_send = fnic_send,
+ .fcp_abort_io = fnic_empty_scsi_cleanup,
+ .fcp_cleanup = fnic_empty_scsi_cleanup,
+ .exch_mgr_reset = fnic_exch_mgr_reset
+};
+
+static int fnic_slave_alloc(struct scsi_device *sdev)
+{
+ struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
+ struct fc_lport *lp = shost_priv(sdev->host);
+ struct fnic *fnic = lport_priv(lp);
+
+ sdev->tagged_supported = 1;
+
+ if (!rport || fc_remote_port_chkready(rport))
+ return -ENXIO;
+
+ scsi_activate_tcq(sdev, FNIC_DFLT_QUEUE_DEPTH);
+ rport->dev_loss_tmo = fnic->config.port_down_timeout / 1000;
+
+ return 0;
+}
+
+static struct scsi_host_template fnic_host_template = {
+ .module = THIS_MODULE,
+ .name = DRV_NAME,
+ .queuecommand = fnic_queuecommand,
+ .eh_abort_handler = fnic_abort_cmd,
+ .eh_device_reset_handler = fnic_device_reset,
+ .eh_host_reset_handler = fnic_host_reset,
+ .slave_alloc = fnic_slave_alloc,
+ .change_queue_depth = fc_change_queue_depth,
+ .change_queue_type = fc_change_queue_type,
+ .this_id = -1,
+ .cmd_per_lun = 3,
+ .can_queue = FNIC_MAX_IO_REQ,
+ .use_clustering = ENABLE_CLUSTERING,
+ .sg_tablesize = FNIC_MAX_SG_DESC_CNT,
+ .max_sectors = 0xffff,
+ .shost_attrs = fnic_attrs,
+};
+
+static void fnic_get_host_speed(struct Scsi_Host *shost);
+static struct scsi_transport_template *fnic_fc_transport;
+static struct fc_host_statistics *fnic_get_stats(struct Scsi_Host *);
+
+static struct fc_function_template fnic_fc_functions = {
+
+ .show_host_node_name = 1,
+ .show_host_port_name = 1,
+ .show_host_supported_classes = 1,
+ .show_host_supported_fc4s = 1,
+ .show_host_active_fc4s = 1,
+ .show_host_maxframe_size = 1,
+ .show_host_port_id = 1,
+ .show_host_supported_speeds = 1,
+ .get_host_speed = fnic_get_host_speed,
+ .show_host_speed = 1,
+ .show_host_port_type = 1,
+ .get_host_port_state = fc_get_host_port_state,
+ .show_host_port_state = 1,
+ .show_host_symbolic_name = 1,
+ .show_rport_maxframe_size = 1,
+ .show_rport_supported_classes = 1,
+ .show_host_fabric_name = 1,
+ .show_starget_node_name = 1,
+ .show_starget_port_name = 1,
+ .show_starget_port_id = 1,
+ .show_rport_dev_loss_tmo = 1,
+ .issue_fc_host_lip = fnic_reset,
+ .get_fc_host_stats = fnic_get_stats,
+ .dd_fcrport_size = sizeof(struct fc_rport_libfc_priv),
+ .terminate_rport_io = fnic_terminate_rport_io,
+};
+
+static void fnic_get_host_speed(struct Scsi_Host *shost)
+{
+ struct fc_lport *lp = shost_priv(shost);
+ struct fnic *fnic = lport_priv(lp);
+ u32 port_speed = vnic_dev_port_speed(fnic->vdev);
+
+ /* Add in other values as they get defined in fw */
+ switch (port_speed) {
+ case 10000:
+ fc_host_speed(shost) = FC_PORTSPEED_10GBIT;
+ break;
+ default:
+ fc_host_speed(shost) = FC_PORTSPEED_10GBIT;
+ break;
+ }
+}
+
+static struct fc_host_statistics *fnic_get_stats(struct Scsi_Host *host)
+{
+ int ret;
+ struct fc_lport *lp = shost_priv(host);
+ struct fnic *fnic = lport_priv(lp);
+ struct fc_host_statistics *stats = &lp->host_stats;
+ struct vnic_stats *vs;
+ unsigned long flags;
+
+ if (time_before(jiffies, fnic->stats_time + HZ / FNIC_STATS_RATE_LIMIT))
+ return stats;
+ fnic->stats_time = jiffies;
+
+ spin_lock_irqsave(&fnic->fnic_lock, flags);
+ ret = vnic_dev_stats_dump(fnic->vdev, &fnic->stats);
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+
+ if (ret) {
+ FNIC_MAIN_DBG(KERN_DEBUG, fnic->lport->host,
+ "fnic: Get vnic stats failed"
+ " 0x%x", ret);
+ return stats;
+ }
+ vs = fnic->stats;
+ stats->tx_frames = vs->tx.tx_unicast_frames_ok;
+ stats->tx_words = vs->tx.tx_unicast_bytes_ok / 4;
+ stats->rx_frames = vs->rx.rx_unicast_frames_ok;
+ stats->rx_words = vs->rx.rx_unicast_bytes_ok / 4;
+ stats->error_frames = vs->tx.tx_errors + vs->rx.rx_errors;
+ stats->dumped_frames = vs->tx.tx_drops + vs->rx.rx_drop;
+ stats->invalid_crc_count = vs->rx.rx_crc_errors;
+ stats->seconds_since_last_reset = (jiffies - lp->boot_time) / HZ;
+ stats->fcp_input_megabytes = div_u64(fnic->fcp_input_bytes, 1000000);
+ stats->fcp_output_megabytes = div_u64(fnic->fcp_output_bytes, 1000000);
+
+ return stats;
+}
+
+void fnic_log_q_error(struct fnic *fnic)
+{
+ unsigned int i;
+ u32 error_status;
+
+ for (i = 0; i < fnic->raw_wq_count; i++) {
+ error_status = ioread32(&fnic->wq[i].ctrl->error_status);
+ if (error_status)
+ shost_printk(KERN_ERR, fnic->lport->host,
+ "WQ[%d] error_status"
+ " %d\n", i, error_status);
+ }
+
+ for (i = 0; i < fnic->rq_count; i++) {
+ error_status = ioread32(&fnic->rq[i].ctrl->error_status);
+ if (error_status)
+ shost_printk(KERN_ERR, fnic->lport->host,
+ "RQ[%d] error_status"
+ " %d\n", i, error_status);
+ }
+
+ for (i = 0; i < fnic->wq_copy_count; i++) {
+ error_status = ioread32(&fnic->wq_copy[i].ctrl->error_status);
+ if (error_status)
+ shost_printk(KERN_ERR, fnic->lport->host,
+ "CWQ[%d] error_status"
+ " %d\n", i, error_status);
+ }
+}
+
+void fnic_handle_link_event(struct fnic *fnic)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&fnic->fnic_lock, flags);
+ if (fnic->stop_rx_link_events) {
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+ return;
+ }
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+
+ queue_work(fnic_event_queue, &fnic->link_work);
+
+}
+
+static int fnic_notify_set(struct fnic *fnic)
+{
+ int err;
+
+ switch (vnic_dev_get_intr_mode(fnic->vdev)) {
+ case VNIC_DEV_INTR_MODE_INTX:
+ err = vnic_dev_notify_set(fnic->vdev, FNIC_INTX_NOTIFY);
+ break;
+ case VNIC_DEV_INTR_MODE_MSI:
+ err = vnic_dev_notify_set(fnic->vdev, -1);
+ break;
+ case VNIC_DEV_INTR_MODE_MSIX:
+ err = vnic_dev_notify_set(fnic->vdev, FNIC_MSIX_ERR_NOTIFY);
+ break;
+ default:
+ shost_printk(KERN_ERR, fnic->lport->host,
+ "Interrupt mode should be set up"
+ " before devcmd notify set %d\n",
+ vnic_dev_get_intr_mode(fnic->vdev));
+ err = -1;
+ break;
+ }
+
+ return err;
+}
+
+static void fnic_notify_timer(unsigned long data)
+{
+ struct fnic *fnic = (struct fnic *)data;
+
+ fnic_handle_link_event(fnic);
+ mod_timer(&fnic->notify_timer,
+ round_jiffies(jiffies + FNIC_NOTIFY_TIMER_PERIOD));
+}
+
+static void fnic_notify_timer_start(struct fnic *fnic)
+{
+ switch (vnic_dev_get_intr_mode(fnic->vdev)) {
+ case VNIC_DEV_INTR_MODE_MSI:
+ /*
+ * Schedule first timeout immediately. The driver is
+ * initiatialized and ready to look for link up notification
+ */
+ mod_timer(&fnic->notify_timer, jiffies);
+ break;
+ default:
+ /* Using intr for notification for INTx/MSI-X */
+ break;
+ };
+}
+
+static int fnic_dev_wait(struct vnic_dev *vdev,
+ int (*start)(struct vnic_dev *, int),
+ int (*finished)(struct vnic_dev *, int *),
+ int arg)
+{
+ unsigned long time;
+ int done;
+ int err;
+
+ err = start(vdev, arg);
+ if (err)
+ return err;
+
+ /* Wait for func to complete...2 seconds max */
+ time = jiffies + (HZ * 2);
+ do {
+ err = finished(vdev, &done);
+ if (err)
+ return err;
+ if (done)
+ return 0;
+ schedule_timeout_uninterruptible(HZ / 10);
+ } while (time_after(time, jiffies));
+
+ return -ETIMEDOUT;
+}
+
+static int fnic_cleanup(struct fnic *fnic)
+{
+ unsigned int i;
+ int err;
+ unsigned long flags;
+ struct fc_frame *flogi = NULL;
+ struct fc_frame *flogi_resp = NULL;
+
+ vnic_dev_disable(fnic->vdev);
+ for (i = 0; i < fnic->intr_count; i++)
+ vnic_intr_mask(&fnic->intr[i]);
+
+ for (i = 0; i < fnic->rq_count; i++) {
+ err = vnic_rq_disable(&fnic->rq[i]);
+ if (err)
+ return err;
+ }
+ for (i = 0; i < fnic->raw_wq_count; i++) {
+ err = vnic_wq_disable(&fnic->wq[i]);
+ if (err)
+ return err;
+ }
+ for (i = 0; i < fnic->wq_copy_count; i++) {
+ err = vnic_wq_copy_disable(&fnic->wq_copy[i]);
+ if (err)
+ return err;
+ }
+
+ /* Clean up completed IOs and FCS frames */
+ fnic_wq_copy_cmpl_handler(fnic, -1);
+ fnic_wq_cmpl_handler(fnic, -1);
+ fnic_rq_cmpl_handler(fnic, -1);
+
+ /* Clean up the IOs and FCS frames that have not completed */
+ for (i = 0; i < fnic->raw_wq_count; i++)
+ vnic_wq_clean(&fnic->wq[i], fnic_free_wq_buf);
+ for (i = 0; i < fnic->rq_count; i++)
+ vnic_rq_clean(&fnic->rq[i], fnic_free_rq_buf);
+ for (i = 0; i < fnic->wq_copy_count; i++)
+ vnic_wq_copy_clean(&fnic->wq_copy[i],
+ fnic_wq_copy_cleanup_handler);
+
+ for (i = 0; i < fnic->cq_count; i++)
+ vnic_cq_clean(&fnic->cq[i]);
+ for (i = 0; i < fnic->intr_count; i++)
+ vnic_intr_clean(&fnic->intr[i]);
+
+ /*
+ * Remove cached flogi and flogi resp frames if any
+ * These frames are not in any queue, and therefore queue
+ * cleanup does not clean them. So clean them explicitly
+ */
+ spin_lock_irqsave(&fnic->fnic_lock, flags);
+ flogi = fnic->flogi;
+ fnic->flogi = NULL;
+ flogi_resp = fnic->flogi_resp;
+ fnic->flogi_resp = NULL;
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+
+ if (flogi)
+ dev_kfree_skb(fp_skb(flogi));
+
+ if (flogi_resp)
+ dev_kfree_skb(fp_skb(flogi_resp));
+
+ mempool_destroy(fnic->io_req_pool);
+ for (i = 0; i < FNIC_SGL_NUM_CACHES; i++)
+ mempool_destroy(fnic->io_sgl_pool[i]);
+
+ return 0;
+}
+
+static void fnic_iounmap(struct fnic *fnic)
+{
+ if (fnic->bar0.vaddr)
+ iounmap(fnic->bar0.vaddr);
+}
+
+/*
+ * Allocate element for mempools requiring GFP_DMA flag.
+ * Otherwise, checks in kmem_flagcheck() hit BUG_ON().
+ */
+static void *fnic_alloc_slab_dma(gfp_t gfp_mask, void *pool_data)
+{
+ struct kmem_cache *mem = pool_data;
+
+ return kmem_cache_alloc(mem, gfp_mask | GFP_ATOMIC | GFP_DMA);
+}
+
+static int __devinit fnic_probe(struct pci_dev *pdev,
+ const struct pci_device_id *ent)
+{
+ struct Scsi_Host *host;
+ struct fc_lport *lp;
+ struct fnic *fnic;
+ mempool_t *pool;
+ int err;
+ int i;
+ unsigned long flags;
+
+ /*
+ * Allocate SCSI Host and set up association between host,
+ * local port, and fnic
+ */
+ host = scsi_host_alloc(&fnic_host_template,
+ sizeof(struct fc_lport) + sizeof(struct fnic));
+ if (!host) {
+ printk(KERN_ERR PFX "Unable to alloc SCSI host\n");
+ err = -ENOMEM;
+ goto err_out;
+ }
+ lp = shost_priv(host);
+ lp->host = host;
+ fnic = lport_priv(lp);
+ fnic->lport = lp;
+
+ snprintf(fnic->name, sizeof(fnic->name) - 1, "%s%d", DRV_NAME,
+ host->host_no);
+
+ host->transportt = fnic_fc_transport;
+
+ err = scsi_init_shared_tag_map(host, FNIC_MAX_IO_REQ);
+ if (err) {
+ shost_printk(KERN_ERR, fnic->lport->host,
+ "Unable to alloc shared tag map\n");
+ goto err_out_free_hba;
+ }
+
+ /* Setup PCI resources */
+ pci_set_drvdata(pdev, fnic);
+
+ fnic->pdev = pdev;
+
+ err = pci_enable_device(pdev);
+ if (err) {
+ shost_printk(KERN_ERR, fnic->lport->host,
+ "Cannot enable PCI device, aborting.\n");
+ goto err_out_free_hba;
+ }
+
+ err = pci_request_regions(pdev, DRV_NAME);
+ if (err) {
+ shost_printk(KERN_ERR, fnic->lport->host,
+ "Cannot enable PCI resources, aborting\n");
+ goto err_out_disable_device;
+ }
+
+ pci_set_master(pdev);
+
+ /* Query PCI controller on system for DMA addressing
+ * limitation for the device. Try 40-bit first, and
+ * fail to 32-bit.
+ */
+ err = pci_set_dma_mask(pdev, DMA_40BIT_MASK);
+ if (err) {
+ err = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
+ if (err) {
+ shost_printk(KERN_ERR, fnic->lport->host,
+ "No usable DMA configuration "
+ "aborting\n");
+ goto err_out_release_regions;
+ }
+ err = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK);
+ if (err) {
+ shost_printk(KERN_ERR, fnic->lport->host,
+ "Unable to obtain 32-bit DMA "
+ "for consistent allocations, aborting.\n");
+ goto err_out_release_regions;
+ }
+ } else {
+ err = pci_set_consistent_dma_mask(pdev, DMA_40BIT_MASK);
+ if (err) {
+ shost_printk(KERN_ERR, fnic->lport->host,
+ "Unable to obtain 40-bit DMA "
+ "for consistent allocations, aborting.\n");
+ goto err_out_release_regions;
+ }
+ }
+
+ /* Map vNIC resources from BAR0 */
+ if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
+ shost_printk(KERN_ERR, fnic->lport->host,
+ "BAR0 not memory-map'able, aborting.\n");
+ err = -ENODEV;
+ goto err_out_release_regions;
+ }
+
+ fnic->bar0.vaddr = pci_iomap(pdev, 0, 0);
+ fnic->bar0.bus_addr = pci_resource_start(pdev, 0);
+ fnic->bar0.len = pci_resource_len(pdev, 0);
+
+ if (!fnic->bar0.vaddr) {
+ shost_printk(KERN_ERR, fnic->lport->host,
+ "Cannot memory-map BAR0 res hdr, "
+ "aborting.\n");
+ err = -ENODEV;
+ goto err_out_release_regions;
+ }
+
+ fnic->vdev = vnic_dev_register(NULL, fnic, pdev, &fnic->bar0);
+ if (!fnic->vdev) {
+ shost_printk(KERN_ERR, fnic->lport->host,
+ "vNIC registration failed, "
+ "aborting.\n");
+ err = -ENODEV;
+ goto err_out_iounmap;
+ }
+
+ err = fnic_dev_wait(fnic->vdev, vnic_dev_open,
+ vnic_dev_open_done, 0);
+ if (err) {
+ shost_printk(KERN_ERR, fnic->lport->host,
+ "vNIC dev open failed, aborting.\n");
+ goto err_out_vnic_unregister;
+ }
+
+ err = vnic_dev_init(fnic->vdev, 0);
+ if (err) {
+ shost_printk(KERN_ERR, fnic->lport->host,
+ "vNIC dev init failed, aborting.\n");
+ goto err_out_dev_close;
+ }
+
+ err = vnic_dev_mac_addr(fnic->vdev, fnic->mac_addr);
+ if (err) {
+ shost_printk(KERN_ERR, fnic->lport->host,
+ "vNIC get MAC addr failed \n");
+ goto err_out_dev_close;
+ }
+
+ /* Get vNIC configuration */
+ err = fnic_get_vnic_config(fnic);
+ if (err) {
+ shost_printk(KERN_ERR, fnic->lport->host,
+ "Get vNIC configuration failed, "
+ "aborting.\n");
+ goto err_out_dev_close;
+ }
+ host->max_lun = fnic->config.luns_per_tgt;
+ host->max_id = FNIC_MAX_FCP_TARGET;
+
+ fnic_get_res_counts(fnic);
+
+ err = fnic_set_intr_mode(fnic);
+ if (err) {
+ shost_printk(KERN_ERR, fnic->lport->host,
+ "Failed to set intr mode, "
+ "aborting.\n");
+ goto err_out_dev_close;
+ }
+
+ err = fnic_request_intr(fnic);
+ if (err) {
+ shost_printk(KERN_ERR, fnic->lport->host,
+ "Unable to request irq.\n");
+ goto err_out_clear_intr;
+ }
+
+ err = fnic_alloc_vnic_resources(fnic);
+ if (err) {
+ shost_printk(KERN_ERR, fnic->lport->host,
+ "Failed to alloc vNIC resources, "
+ "aborting.\n");
+ goto err_out_free_intr;
+ }
+
+
+ /* initialize all fnic locks */
+ spin_lock_init(&fnic->fnic_lock);
+
+ for (i = 0; i < FNIC_WQ_MAX; i++)
+ spin_lock_init(&fnic->wq_lock[i]);
+
+ for (i = 0; i < FNIC_WQ_COPY_MAX; i++) {
+ spin_lock_init(&fnic->wq_copy_lock[i]);
+ fnic->wq_copy_desc_low[i] = DESC_CLEAN_LOW_WATERMARK;
+ fnic->fw_ack_recd[i] = 0;
+ fnic->fw_ack_index[i] = -1;
+ }
+
+ for (i = 0; i < FNIC_IO_LOCKS; i++)
+ spin_lock_init(&fnic->io_req_lock[i]);
+
+ fnic->io_req_pool = mempool_create_slab_pool(2, fnic_io_req_cache);
+ if (!fnic->io_req_pool)
+ goto err_out_free_resources;
+
+ pool = mempool_create(2, fnic_alloc_slab_dma, mempool_free_slab,
+ fnic_sgl_cache[FNIC_SGL_CACHE_DFLT]);
+ if (!pool)
+ goto err_out_free_ioreq_pool;
+ fnic->io_sgl_pool[FNIC_SGL_CACHE_DFLT] = pool;
+
+ pool = mempool_create(2, fnic_alloc_slab_dma, mempool_free_slab,
+ fnic_sgl_cache[FNIC_SGL_CACHE_MAX]);
+ if (!pool)
+ goto err_out_free_dflt_pool;
+ fnic->io_sgl_pool[FNIC_SGL_CACHE_MAX] = pool;
+
+ /* setup vlan config, hw inserts vlan header */
+ fnic->vlan_hw_insert = 1;
+ fnic->vlan_id = 0;
+
+ fnic->flogi_oxid = FC_XID_UNKNOWN;
+ fnic->flogi = NULL;
+ fnic->flogi_resp = NULL;
+ fnic->state = FNIC_IN_FC_MODE;
+
+ /* Enable hardware stripping of vlan header on ingress */
+ fnic_set_nic_config(fnic, 0, 0, 0, 0, 0, 0, 1);
+
+ /* Setup notification buffer area */
+ err = fnic_notify_set(fnic);
+ if (err) {
+ shost_printk(KERN_ERR, fnic->lport->host,
+ "Failed to alloc notify buffer, aborting.\n");
+ goto err_out_free_max_pool;
+ }
+
+ /* Setup notify timer when using MSI interrupts */
+ if (vnic_dev_get_intr_mode(fnic->vdev) == VNIC_DEV_INTR_MODE_MSI)
+ setup_timer(&fnic->notify_timer,
+ fnic_notify_timer, (unsigned long)fnic);
+
+ /* allocate RQ buffers and post them to RQ*/
+ for (i = 0; i < fnic->rq_count; i++) {
+ err = vnic_rq_fill(&fnic->rq[i], fnic_alloc_rq_frame);
+ if (err) {
+ shost_printk(KERN_ERR, fnic->lport->host,
+ "fnic_alloc_rq_frame can't alloc "
+ "frame\n");
+ goto err_out_free_rq_buf;
+ }
+ }
+
+ /*
+ * Initialization done with PCI system, hardware, firmware.
+ * Add host to SCSI
+ */
+ err = scsi_add_host(lp->host, &pdev->dev);
+ if (err) {
+ shost_printk(KERN_ERR, fnic->lport->host,
+ "fnic: scsi_add_host failed...exiting\n");
+ goto err_out_free_rq_buf;
+ }
+
+ /* Start local port initiatialization */
+
+ lp->link_up = 0;
+ lp->tt = fnic_transport_template;
+
+ lp->emp = fc_exch_mgr_alloc(lp, FC_CLASS_3,
+ FCPIO_HOST_EXCH_RANGE_START,
+ FCPIO_HOST_EXCH_RANGE_END);
+ if (!lp->emp) {
+ err = -ENOMEM;
+ goto err_out_remove_scsi_host;
+ }
+
+ lp->max_retry_count = fnic->config.flogi_retries;
+ lp->service_params = (FCP_SPPF_INIT_FCN | FCP_SPPF_RD_XRDY_DIS |
+ FCP_SPPF_CONF_COMPL);
+ if (fnic->config.flags & VFCF_FCP_SEQ_LVL_ERR)
+ lp->service_params |= FCP_SPPF_RETRY;
+
+ lp->boot_time = jiffies;
+ lp->e_d_tov = fnic->config.ed_tov;
+ lp->r_a_tov = fnic->config.ra_tov;
+ lp->link_supported_speeds = FC_PORTSPEED_10GBIT;
+ fc_set_wwnn(lp, fnic->config.node_wwn);
+ fc_set_wwpn(lp, fnic->config.port_wwn);
+
+ fc_exch_init(lp);
+ fc_lport_init(lp);
+ fc_elsct_init(lp);
+ fc_rport_init(lp);
+ fc_disc_init(lp);
+
+ fc_lport_config(lp);
+
+ if (fc_set_mfs(lp, fnic->config.maxdatafieldsize +
+ sizeof(struct fc_frame_header))) {
+ err = -EINVAL;
+ goto err_out_free_exch_mgr;
+ }
+ fc_host_maxframe_size(lp->host) = lp->mfs;
+
+ sprintf(fc_host_symbolic_name(lp->host),
+ DRV_NAME " v" DRV_VERSION " over %s", fnic->name);
+
+ spin_lock_irqsave(&fnic_list_lock, flags);
+ list_add_tail(&fnic->list, &fnic_list);
+ spin_unlock_irqrestore(&fnic_list_lock, flags);
+
+ INIT_WORK(&fnic->link_work, fnic_handle_link);
+ INIT_WORK(&fnic->frame_work, fnic_handle_frame);
+ skb_queue_head_init(&fnic->frame_queue);
+
+ /* Enable all queues */
+ for (i = 0; i < fnic->raw_wq_count; i++)
+ vnic_wq_enable(&fnic->wq[i]);
+ for (i = 0; i < fnic->rq_count; i++)
+ vnic_rq_enable(&fnic->rq[i]);
+ for (i = 0; i < fnic->wq_copy_count; i++)
+ vnic_wq_copy_enable(&fnic->wq_copy[i]);
+
+ fc_fabric_login(lp);
+
+ vnic_dev_enable(fnic->vdev);
+ for (i = 0; i < fnic->intr_count; i++)
+ vnic_intr_unmask(&fnic->intr[i]);
+
+ fnic_notify_timer_start(fnic);
+
+ return 0;
+
+err_out_free_exch_mgr:
+ fc_exch_mgr_free(lp->emp);
+err_out_remove_scsi_host:
+ fc_remove_host(fnic->lport->host);
+ scsi_remove_host(fnic->lport->host);
+err_out_free_rq_buf:
+ for (i = 0; i < fnic->rq_count; i++)
+ vnic_rq_clean(&fnic->rq[i], fnic_free_rq_buf);
+ vnic_dev_notify_unset(fnic->vdev);
+err_out_free_max_pool:
+ mempool_destroy(fnic->io_sgl_pool[FNIC_SGL_CACHE_MAX]);
+err_out_free_dflt_pool:
+ mempool_destroy(fnic->io_sgl_pool[FNIC_SGL_CACHE_DFLT]);
+err_out_free_ioreq_pool:
+ mempool_destroy(fnic->io_req_pool);
+err_out_free_resources:
+ fnic_free_vnic_resources(fnic);
+err_out_free_intr:
+ fnic_free_intr(fnic);
+err_out_clear_intr:
+ fnic_clear_intr_mode(fnic);
+err_out_dev_close:
+ vnic_dev_close(fnic->vdev);
+err_out_vnic_unregister:
+ vnic_dev_unregister(fnic->vdev);
+err_out_iounmap:
+ fnic_iounmap(fnic);
+err_out_release_regions:
+ pci_release_regions(pdev);
+err_out_disable_device:
+ pci_disable_device(pdev);
+err_out_free_hba:
+ scsi_host_put(lp->host);
+err_out:
+ return err;
+}
+
+static void __devexit fnic_remove(struct pci_dev *pdev)
+{
+ struct fnic *fnic = pci_get_drvdata(pdev);
+ unsigned long flags;
+
+ /*
+ * Mark state so that the workqueue thread stops forwarding
+ * received frames and link events to the local port. ISR and
+ * other threads that can queue work items will also stop
+ * creating work items on the fnic workqueue
+ */
+ spin_lock_irqsave(&fnic->fnic_lock, flags);
+ fnic->stop_rx_link_events = 1;
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+
+ if (vnic_dev_get_intr_mode(fnic->vdev) == VNIC_DEV_INTR_MODE_MSI)
+ del_timer_sync(&fnic->notify_timer);
+
+ /*
+ * Flush the fnic event queue. After this call, there should
+ * be no event queued for this fnic device in the workqueue
+ */
+ flush_workqueue(fnic_event_queue);
+ skb_queue_purge(&fnic->frame_queue);
+
+ /*
+ * Log off the fabric. This stops all remote ports, dns port,
+ * logs off the fabric. This flushes all rport, disc, lport work
+ * before returning
+ */
+ fc_fabric_logoff(fnic->lport);
+
+ spin_lock_irqsave(&fnic->fnic_lock, flags);
+ fnic->in_remove = 1;
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+
+ fc_lport_destroy(fnic->lport);
+
+ /*
+ * This stops the fnic device, masks all interrupts. Completed
+ * CQ entries are drained. Posted WQ/RQ/Copy-WQ entries are
+ * cleaned up
+ */
+ fnic_cleanup(fnic);
+
+ BUG_ON(!skb_queue_empty(&fnic->frame_queue));
+
+ spin_lock_irqsave(&fnic_list_lock, flags);
+ list_del(&fnic->list);
+ spin_unlock_irqrestore(&fnic_list_lock, flags);
+
+ fc_remove_host(fnic->lport->host);
+ scsi_remove_host(fnic->lport->host);
+ fc_exch_mgr_free(fnic->lport->emp);
+ vnic_dev_notify_unset(fnic->vdev);
+ fnic_free_vnic_resources(fnic);
+ fnic_free_intr(fnic);
+ fnic_clear_intr_mode(fnic);
+ vnic_dev_close(fnic->vdev);
+ vnic_dev_unregister(fnic->vdev);
+ fnic_iounmap(fnic);
+ pci_release_regions(pdev);
+ pci_disable_device(pdev);
+ pci_set_drvdata(pdev, NULL);
+ scsi_host_put(fnic->lport->host);
+}
+
+static struct pci_driver fnic_driver = {
+ .name = DRV_NAME,
+ .id_table = fnic_id_table,
+ .probe = fnic_probe,
+ .remove = __devexit_p(fnic_remove),
+};
+
+static int __init fnic_init_module(void)
+{
+ size_t len;
+ int err = 0;
+
+ printk(KERN_INFO PFX "%s, ver %s\n", DRV_DESCRIPTION, DRV_VERSION);
+
+ /* Create a cache for allocation of default size sgls */
+ len = sizeof(struct fnic_dflt_sgl_list);
+ fnic_sgl_cache[FNIC_SGL_CACHE_DFLT] = kmem_cache_create
+ ("fnic_sgl_dflt", len + FNIC_SG_DESC_ALIGN, FNIC_SG_DESC_ALIGN,
+ SLAB_HWCACHE_ALIGN | SLAB_CACHE_DMA,
+ NULL);
+ if (!fnic_sgl_cache[FNIC_SGL_CACHE_DFLT]) {
+ printk(KERN_ERR PFX "failed to create fnic dflt sgl slab\n");
+ err = -ENOMEM;
+ goto err_create_fnic_sgl_slab_dflt;
+ }
+
+ /* Create a cache for allocation of max size sgls*/
+ len = sizeof(struct fnic_sgl_list);
+ fnic_sgl_cache[FNIC_SGL_CACHE_MAX] = kmem_cache_create
+ ("fnic_sgl_max", len + FNIC_SG_DESC_ALIGN, FNIC_SG_DESC_ALIGN,
+ SLAB_HWCACHE_ALIGN | SLAB_CACHE_DMA,
+ NULL);
+ if (!fnic_sgl_cache[FNIC_SGL_CACHE_MAX]) {
+ printk(KERN_ERR PFX "failed to create fnic max sgl slab\n");
+ err = -ENOMEM;
+ goto err_create_fnic_sgl_slab_max;
+ }
+
+ /* Create a cache of io_req structs for use via mempool */
+ fnic_io_req_cache = kmem_cache_create("fnic_io_req",
+ sizeof(struct fnic_io_req),
+ 0, SLAB_HWCACHE_ALIGN, NULL);
+ if (!fnic_io_req_cache) {
+ printk(KERN_ERR PFX "failed to create fnic io_req slab\n");
+ err = -ENOMEM;
+ goto err_create_fnic_ioreq_slab;
+ }
+
+ fnic_event_queue = create_singlethread_workqueue("fnic_event_wq");
+ if (!fnic_event_queue) {
+ printk(KERN_ERR PFX "fnic work queue create failed\n");
+ err = -ENOMEM;
+ goto err_create_fnic_workq;
+ }
+
+ spin_lock_init(&fnic_list_lock);
+ INIT_LIST_HEAD(&fnic_list);
+
+ fnic_fc_transport = fc_attach_transport(&fnic_fc_functions);
+ if (!fnic_fc_transport) {
+ printk(KERN_ERR PFX "fc_attach_transport error\n");
+ err = -ENOMEM;
+ goto err_fc_transport;
+ }
+
+ /* register the driver with PCI system */
+ err = pci_register_driver(&fnic_driver);
+ if (err < 0) {
+ printk(KERN_ERR PFX "pci register error\n");
+ goto err_pci_register;
+ }
+ return err;
+
+err_pci_register:
+ fc_release_transport(fnic_fc_transport);
+err_fc_transport:
+ destroy_workqueue(fnic_event_queue);
+err_create_fnic_workq:
+ kmem_cache_destroy(fnic_io_req_cache);
+err_create_fnic_ioreq_slab:
+ kmem_cache_destroy(fnic_sgl_cache[FNIC_SGL_CACHE_MAX]);
+err_create_fnic_sgl_slab_max:
+ kmem_cache_destroy(fnic_sgl_cache[FNIC_SGL_CACHE_DFLT]);
+err_create_fnic_sgl_slab_dflt:
+ return err;
+}
+
+static void __exit fnic_cleanup_module(void)
+{
+ pci_unregister_driver(&fnic_driver);
+ destroy_workqueue(fnic_event_queue);
+ kmem_cache_destroy(fnic_sgl_cache[FNIC_SGL_CACHE_MAX]);
+ kmem_cache_destroy(fnic_sgl_cache[FNIC_SGL_CACHE_DFLT]);
+ kmem_cache_destroy(fnic_io_req_cache);
+ fc_release_transport(fnic_fc_transport);
+}
+
+module_init(fnic_init_module);
+module_exit(fnic_cleanup_module);
+
diff --git a/drivers/scsi/fnic/fnic_res.c b/drivers/scsi/fnic/fnic_res.c
new file mode 100644
index 000000000000..7ba61ec715d2
--- /dev/null
+++ b/drivers/scsi/fnic/fnic_res.c
@@ -0,0 +1,444 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc. All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc. All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#include <linux/errno.h>
+#include <linux/types.h>
+#include <linux/pci.h>
+#include "wq_enet_desc.h"
+#include "rq_enet_desc.h"
+#include "cq_enet_desc.h"
+#include "vnic_resource.h"
+#include "vnic_dev.h"
+#include "vnic_wq.h"
+#include "vnic_rq.h"
+#include "vnic_cq.h"
+#include "vnic_intr.h"
+#include "vnic_stats.h"
+#include "vnic_nic.h"
+#include "fnic.h"
+
+int fnic_get_vnic_config(struct fnic *fnic)
+{
+ struct vnic_fc_config *c = &fnic->config;
+ int err;
+
+#define GET_CONFIG(m) \
+ do { \
+ err = vnic_dev_spec(fnic->vdev, \
+ offsetof(struct vnic_fc_config, m), \
+ sizeof(c->m), &c->m); \
+ if (err) { \
+ shost_printk(KERN_ERR, fnic->lport->host, \
+ "Error getting %s, %d\n", #m, \
+ err); \
+ return err; \
+ } \
+ } while (0);
+
+ GET_CONFIG(node_wwn);
+ GET_CONFIG(port_wwn);
+ GET_CONFIG(wq_enet_desc_count);
+ GET_CONFIG(wq_copy_desc_count);
+ GET_CONFIG(rq_desc_count);
+ GET_CONFIG(maxdatafieldsize);
+ GET_CONFIG(ed_tov);
+ GET_CONFIG(ra_tov);
+ GET_CONFIG(intr_timer);
+ GET_CONFIG(intr_timer_type);
+ GET_CONFIG(flags);
+ GET_CONFIG(flogi_retries);
+ GET_CONFIG(flogi_timeout);
+ GET_CONFIG(plogi_retries);
+ GET_CONFIG(plogi_timeout);
+ GET_CONFIG(io_throttle_count);
+ GET_CONFIG(link_down_timeout);
+ GET_CONFIG(port_down_timeout);
+ GET_CONFIG(port_down_io_retries);
+ GET_CONFIG(luns_per_tgt);
+
+ c->wq_enet_desc_count =
+ min_t(u32, VNIC_FNIC_WQ_DESCS_MAX,
+ max_t(u32, VNIC_FNIC_WQ_DESCS_MIN,
+ c->wq_enet_desc_count));
+ c->wq_enet_desc_count = ALIGN(c->wq_enet_desc_count, 16);
+
+ c->wq_copy_desc_count =
+ min_t(u32, VNIC_FNIC_WQ_COPY_DESCS_MAX,
+ max_t(u32, VNIC_FNIC_WQ_COPY_DESCS_MIN,
+ c->wq_copy_desc_count));
+ c->wq_copy_desc_count = ALIGN(c->wq_copy_desc_count, 16);
+
+ c->rq_desc_count =
+ min_t(u32, VNIC_FNIC_RQ_DESCS_MAX,
+ max_t(u32, VNIC_FNIC_RQ_DESCS_MIN,
+ c->rq_desc_count));
+ c->rq_desc_count = ALIGN(c->rq_desc_count, 16);
+
+ c->maxdatafieldsize =
+ min_t(u16, VNIC_FNIC_MAXDATAFIELDSIZE_MAX,
+ max_t(u16, VNIC_FNIC_MAXDATAFIELDSIZE_MIN,
+ c->maxdatafieldsize));
+ c->ed_tov =
+ min_t(u32, VNIC_FNIC_EDTOV_MAX,
+ max_t(u32, VNIC_FNIC_EDTOV_MIN,
+ c->ed_tov));
+
+ c->ra_tov =
+ min_t(u32, VNIC_FNIC_RATOV_MAX,
+ max_t(u32, VNIC_FNIC_RATOV_MIN,
+ c->ra_tov));
+
+ c->flogi_retries =
+ min_t(u32, VNIC_FNIC_FLOGI_RETRIES_MAX, c->flogi_retries);
+
+ c->flogi_timeout =
+ min_t(u32, VNIC_FNIC_FLOGI_TIMEOUT_MAX,
+ max_t(u32, VNIC_FNIC_FLOGI_TIMEOUT_MIN,
+ c->flogi_timeout));
+
+ c->plogi_retries =
+ min_t(u32, VNIC_FNIC_PLOGI_RETRIES_MAX, c->plogi_retries);
+
+ c->plogi_timeout =
+ min_t(u32, VNIC_FNIC_PLOGI_TIMEOUT_MAX,
+ max_t(u32, VNIC_FNIC_PLOGI_TIMEOUT_MIN,
+ c->plogi_timeout));
+
+ c->io_throttle_count =
+ min_t(u32, VNIC_FNIC_IO_THROTTLE_COUNT_MAX,
+ max_t(u32, VNIC_FNIC_IO_THROTTLE_COUNT_MIN,
+ c->io_throttle_count));
+
+ c->link_down_timeout =
+ min_t(u32, VNIC_FNIC_LINK_DOWN_TIMEOUT_MAX,
+ c->link_down_timeout);
+
+ c->port_down_timeout =
+ min_t(u32, VNIC_FNIC_PORT_DOWN_TIMEOUT_MAX,
+ c->port_down_timeout);
+
+ c->port_down_io_retries =
+ min_t(u32, VNIC_FNIC_PORT_DOWN_IO_RETRIES_MAX,
+ c->port_down_io_retries);
+
+ c->luns_per_tgt =
+ min_t(u32, VNIC_FNIC_LUNS_PER_TARGET_MAX,
+ max_t(u32, VNIC_FNIC_LUNS_PER_TARGET_MIN,
+ c->luns_per_tgt));
+
+ c->intr_timer = min_t(u16, VNIC_INTR_TIMER_MAX, c->intr_timer);
+ c->intr_timer_type = c->intr_timer_type;
+
+ shost_printk(KERN_INFO, fnic->lport->host,
+ "vNIC MAC addr %02x:%02x:%02x:%02x:%02x:%02x "
+ "wq/wq_copy/rq %d/%d/%d\n",
+ fnic->mac_addr[0], fnic->mac_addr[1], fnic->mac_addr[2],
+ fnic->mac_addr[3], fnic->mac_addr[4], fnic->mac_addr[5],
+ c->wq_enet_desc_count, c->wq_copy_desc_count,
+ c->rq_desc_count);
+ shost_printk(KERN_INFO, fnic->lport->host,
+ "vNIC node wwn %llx port wwn %llx\n",
+ c->node_wwn, c->port_wwn);
+ shost_printk(KERN_INFO, fnic->lport->host,
+ "vNIC ed_tov %d ra_tov %d\n",
+ c->ed_tov, c->ra_tov);
+ shost_printk(KERN_INFO, fnic->lport->host,
+ "vNIC mtu %d intr timer %d\n",
+ c->maxdatafieldsize, c->intr_timer);
+ shost_printk(KERN_INFO, fnic->lport->host,
+ "vNIC flags 0x%x luns per tgt %d\n",
+ c->flags, c->luns_per_tgt);
+ shost_printk(KERN_INFO, fnic->lport->host,
+ "vNIC flogi_retries %d flogi timeout %d\n",
+ c->flogi_retries, c->flogi_timeout);
+ shost_printk(KERN_INFO, fnic->lport->host,
+ "vNIC plogi retries %d plogi timeout %d\n",
+ c->plogi_retries, c->plogi_timeout);
+ shost_printk(KERN_INFO, fnic->lport->host,
+ "vNIC io throttle count %d link dn timeout %d\n",
+ c->io_throttle_count, c->link_down_timeout);
+ shost_printk(KERN_INFO, fnic->lport->host,
+ "vNIC port dn io retries %d port dn timeout %d\n",
+ c->port_down_io_retries, c->port_down_timeout);
+
+ return 0;
+}
+
+int fnic_set_nic_config(struct fnic *fnic, u8 rss_default_cpu,
+ u8 rss_hash_type,
+ u8 rss_hash_bits, u8 rss_base_cpu, u8 rss_enable,
+ u8 tso_ipid_split_en, u8 ig_vlan_strip_en)
+{
+ u64 a0, a1;
+ u32 nic_cfg;
+ int wait = 1000;
+
+ vnic_set_nic_cfg(&nic_cfg, rss_default_cpu,
+ rss_hash_type, rss_hash_bits, rss_base_cpu,
+ rss_enable, tso_ipid_split_en, ig_vlan_strip_en);
+
+ a0 = nic_cfg;
+ a1 = 0;
+
+ return vnic_dev_cmd(fnic->vdev, CMD_NIC_CFG, &a0, &a1, wait);
+}
+
+void fnic_get_res_counts(struct fnic *fnic)
+{
+ fnic->wq_count = vnic_dev_get_res_count(fnic->vdev, RES_TYPE_WQ);
+ fnic->raw_wq_count = fnic->wq_count - 1;
+ fnic->wq_copy_count = fnic->wq_count - fnic->raw_wq_count;
+ fnic->rq_count = vnic_dev_get_res_count(fnic->vdev, RES_TYPE_RQ);
+ fnic->cq_count = vnic_dev_get_res_count(fnic->vdev, RES_TYPE_CQ);
+ fnic->intr_count = vnic_dev_get_res_count(fnic->vdev,
+ RES_TYPE_INTR_CTRL);
+}
+
+void fnic_free_vnic_resources(struct fnic *fnic)
+{
+ unsigned int i;
+
+ for (i = 0; i < fnic->raw_wq_count; i++)
+ vnic_wq_free(&fnic->wq[i]);
+
+ for (i = 0; i < fnic->wq_copy_count; i++)
+ vnic_wq_copy_free(&fnic->wq_copy[i]);
+
+ for (i = 0; i < fnic->rq_count; i++)
+ vnic_rq_free(&fnic->rq[i]);
+
+ for (i = 0; i < fnic->cq_count; i++)
+ vnic_cq_free(&fnic->cq[i]);
+
+ for (i = 0; i < fnic->intr_count; i++)
+ vnic_intr_free(&fnic->intr[i]);
+}
+
+int fnic_alloc_vnic_resources(struct fnic *fnic)
+{
+ enum vnic_dev_intr_mode intr_mode;
+ unsigned int mask_on_assertion;
+ unsigned int interrupt_offset;
+ unsigned int error_interrupt_enable;
+ unsigned int error_interrupt_offset;
+ unsigned int i, cq_index;
+ unsigned int wq_copy_cq_desc_count;
+ int err;
+
+ intr_mode = vnic_dev_get_intr_mode(fnic->vdev);
+
+ shost_printk(KERN_INFO, fnic->lport->host, "vNIC interrupt mode: %s\n",
+ intr_mode == VNIC_DEV_INTR_MODE_INTX ? "legacy PCI INTx" :
+ intr_mode == VNIC_DEV_INTR_MODE_MSI ? "MSI" :
+ intr_mode == VNIC_DEV_INTR_MODE_MSIX ?
+ "MSI-X" : "unknown");
+
+ shost_printk(KERN_INFO, fnic->lport->host, "vNIC resources avail: "
+ "wq %d cp_wq %d raw_wq %d rq %d cq %d intr %d\n",
+ fnic->wq_count, fnic->wq_copy_count, fnic->raw_wq_count,
+ fnic->rq_count, fnic->cq_count, fnic->intr_count);
+
+ /* Allocate Raw WQ used for FCS frames */
+ for (i = 0; i < fnic->raw_wq_count; i++) {
+ err = vnic_wq_alloc(fnic->vdev, &fnic->wq[i], i,
+ fnic->config.wq_enet_desc_count,
+ sizeof(struct wq_enet_desc));
+ if (err)
+ goto err_out_cleanup;
+ }
+
+ /* Allocate Copy WQs used for SCSI IOs */
+ for (i = 0; i < fnic->wq_copy_count; i++) {
+ err = vnic_wq_copy_alloc(fnic->vdev, &fnic->wq_copy[i],
+ (fnic->raw_wq_count + i),
+ fnic->config.wq_copy_desc_count,
+ sizeof(struct fcpio_host_req));
+ if (err)
+ goto err_out_cleanup;
+ }
+
+ /* RQ for receiving FCS frames */
+ for (i = 0; i < fnic->rq_count; i++) {
+ err = vnic_rq_alloc(fnic->vdev, &fnic->rq[i], i,
+ fnic->config.rq_desc_count,
+ sizeof(struct rq_enet_desc));
+ if (err)
+ goto err_out_cleanup;
+ }
+
+ /* CQ for each RQ */
+ for (i = 0; i < fnic->rq_count; i++) {
+ cq_index = i;
+ err = vnic_cq_alloc(fnic->vdev,
+ &fnic->cq[cq_index], cq_index,
+ fnic->config.rq_desc_count,
+ sizeof(struct cq_enet_rq_desc));
+ if (err)
+ goto err_out_cleanup;
+ }
+
+ /* CQ for each WQ */
+ for (i = 0; i < fnic->raw_wq_count; i++) {
+ cq_index = fnic->rq_count + i;
+ err = vnic_cq_alloc(fnic->vdev, &fnic->cq[cq_index], cq_index,
+ fnic->config.wq_enet_desc_count,
+ sizeof(struct cq_enet_wq_desc));
+ if (err)
+ goto err_out_cleanup;
+ }
+
+ /* CQ for each COPY WQ */
+ wq_copy_cq_desc_count = (fnic->config.wq_copy_desc_count * 3);
+ for (i = 0; i < fnic->wq_copy_count; i++) {
+ cq_index = fnic->raw_wq_count + fnic->rq_count + i;
+ err = vnic_cq_alloc(fnic->vdev, &fnic->cq[cq_index],
+ cq_index,
+ wq_copy_cq_desc_count,
+ sizeof(struct fcpio_fw_req));
+ if (err)
+ goto err_out_cleanup;
+ }
+
+ for (i = 0; i < fnic->intr_count; i++) {
+ err = vnic_intr_alloc(fnic->vdev, &fnic->intr[i], i);
+ if (err)
+ goto err_out_cleanup;
+ }
+
+ fnic->legacy_pba = vnic_dev_get_res(fnic->vdev,
+ RES_TYPE_INTR_PBA_LEGACY, 0);
+
+ if (!fnic->legacy_pba && intr_mode == VNIC_DEV_INTR_MODE_INTX) {
+ shost_printk(KERN_ERR, fnic->lport->host,
+ "Failed to hook legacy pba resource\n");
+ err = -ENODEV;
+ goto err_out_cleanup;
+ }
+
+ /*
+ * Init RQ/WQ resources.
+ *
+ * RQ[0 to n-1] point to CQ[0 to n-1]
+ * WQ[0 to m-1] point to CQ[n to n+m-1]
+ * WQ_COPY[0 to k-1] points to CQ[n+m to n+m+k-1]
+ *
+ * Note for copy wq we always initialize with cq_index = 0
+ *
+ * Error interrupt is not enabled for MSI.
+ */
+
+ switch (intr_mode) {
+ case VNIC_DEV_INTR_MODE_INTX:
+ case VNIC_DEV_INTR_MODE_MSIX:
+ error_interrupt_enable = 1;
+ error_interrupt_offset = fnic->err_intr_offset;
+ break;
+ default:
+ error_interrupt_enable = 0;
+ error_interrupt_offset = 0;
+ break;
+ }
+
+ for (i = 0; i < fnic->rq_count; i++) {
+ cq_index = i;
+ vnic_rq_init(&fnic->rq[i],
+ cq_index,
+ error_interrupt_enable,
+ error_interrupt_offset);
+ }
+
+ for (i = 0; i < fnic->raw_wq_count; i++) {
+ cq_index = i + fnic->rq_count;
+ vnic_wq_init(&fnic->wq[i],
+ cq_index,
+ error_interrupt_enable,
+ error_interrupt_offset);
+ }
+
+ for (i = 0; i < fnic->wq_copy_count; i++) {
+ vnic_wq_copy_init(&fnic->wq_copy[i],
+ 0 /* cq_index 0 - always */,
+ error_interrupt_enable,
+ error_interrupt_offset);
+ }
+
+ for (i = 0; i < fnic->cq_count; i++) {
+
+ switch (intr_mode) {
+ case VNIC_DEV_INTR_MODE_MSIX:
+ interrupt_offset = i;
+ break;
+ default:
+ interrupt_offset = 0;
+ break;
+ }
+
+ vnic_cq_init(&fnic->cq[i],
+ 0 /* flow_control_enable */,
+ 1 /* color_enable */,
+ 0 /* cq_head */,
+ 0 /* cq_tail */,
+ 1 /* cq_tail_color */,
+ 1 /* interrupt_enable */,
+ 1 /* cq_entry_enable */,
+ 0 /* cq_message_enable */,
+ interrupt_offset,
+ 0 /* cq_message_addr */);
+ }
+
+ /*
+ * Init INTR resources
+ *
+ * mask_on_assertion is not used for INTx due to the level-
+ * triggered nature of INTx
+ */
+
+ switch (intr_mode) {
+ case VNIC_DEV_INTR_MODE_MSI:
+ case VNIC_DEV_INTR_MODE_MSIX:
+ mask_on_assertion = 1;
+ break;
+ default:
+ mask_on_assertion = 0;
+ break;
+ }
+
+ for (i = 0; i < fnic->intr_count; i++) {
+ vnic_intr_init(&fnic->intr[i],
+ fnic->config.intr_timer,
+ fnic->config.intr_timer_type,
+ mask_on_assertion);
+ }
+
+ /* init the stats memory by making the first call here */
+ err = vnic_dev_stats_dump(fnic->vdev, &fnic->stats);
+ if (err) {
+ shost_printk(KERN_ERR, fnic->lport->host,
+ "vnic_dev_stats_dump failed - x%x\n", err);
+ goto err_out_cleanup;
+ }
+
+ /* Clear LIF stats */
+ vnic_dev_stats_clear(fnic->vdev);
+
+ return 0;
+
+err_out_cleanup:
+ fnic_free_vnic_resources(fnic);
+
+ return err;
+}
diff --git a/drivers/scsi/fnic/fnic_res.h b/drivers/scsi/fnic/fnic_res.h
new file mode 100644
index 000000000000..b6f310262534
--- /dev/null
+++ b/drivers/scsi/fnic/fnic_res.h
@@ -0,0 +1,197 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc. All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc. All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef _FNIC_RES_H_
+#define _FNIC_RES_H_
+
+#include "wq_enet_desc.h"
+#include "rq_enet_desc.h"
+#include "vnic_wq.h"
+#include "vnic_rq.h"
+#include "fnic_io.h"
+#include "fcpio.h"
+#include "vnic_wq_copy.h"
+#include "vnic_cq_copy.h"
+
+static inline void fnic_queue_wq_desc(struct vnic_wq *wq,
+ void *os_buf, dma_addr_t dma_addr,
+ unsigned int len, unsigned int fc_eof,
+ int vlan_tag_insert,
+ unsigned int vlan_tag,
+ int cq_entry, int sop, int eop)
+{
+ struct wq_enet_desc *desc = vnic_wq_next_desc(wq);
+
+ wq_enet_desc_enc(desc,
+ (u64)dma_addr | VNIC_PADDR_TARGET,
+ (u16)len,
+ 0, /* mss_or_csum_offset */
+ (u16)fc_eof,
+ 0, /* offload_mode */
+ (u8)eop, (u8)cq_entry,
+ 1, /* fcoe_encap */
+ (u8)vlan_tag_insert,
+ (u16)vlan_tag,
+ 0 /* loopback */);
+
+ vnic_wq_post(wq, os_buf, dma_addr, len, sop, eop);
+}
+
+static inline void fnic_queue_wq_copy_desc_icmnd_16(struct vnic_wq_copy *wq,
+ u32 req_id,
+ u32 lunmap_id, u8 spl_flags,
+ u32 sgl_cnt, u32 sense_len,
+ u64 sgl_addr, u64 sns_addr,
+ u8 crn, u8 pri_ta,
+ u8 flags, u8 *scsi_cdb,
+ u32 data_len, u8 *lun,
+ u32 d_id, u16 mss,
+ u32 ratov, u32 edtov)
+{
+ struct fcpio_host_req *desc = vnic_wq_copy_next_desc(wq);
+
+ desc->hdr.type = FCPIO_ICMND_16; /* enum fcpio_type */
+ desc->hdr.status = 0; /* header status entry */
+ desc->hdr._resvd = 0; /* reserved */
+ desc->hdr.tag.u.req_id = req_id; /* id for this request */
+
+ desc->u.icmnd_16.lunmap_id = lunmap_id; /* index into lunmap table */
+ desc->u.icmnd_16.special_req_flags = spl_flags; /* exch req flags */
+ desc->u.icmnd_16._resvd0[0] = 0; /* reserved */
+ desc->u.icmnd_16._resvd0[1] = 0; /* reserved */
+ desc->u.icmnd_16._resvd0[2] = 0; /* reserved */
+ desc->u.icmnd_16.sgl_cnt = sgl_cnt; /* scatter-gather list count */
+ desc->u.icmnd_16.sense_len = sense_len; /* sense buffer length */
+ desc->u.icmnd_16.sgl_addr = sgl_addr; /* scatter-gather list addr */
+ desc->u.icmnd_16.sense_addr = sns_addr; /* sense buffer address */
+ desc->u.icmnd_16.crn = crn; /* SCSI Command Reference No.*/
+ desc->u.icmnd_16.pri_ta = pri_ta; /* SCSI Pri & Task attribute */
+ desc->u.icmnd_16._resvd1 = 0; /* reserved: should be 0 */
+ desc->u.icmnd_16.flags = flags; /* command flags */
+ memcpy(desc->u.icmnd_16.scsi_cdb, scsi_cdb, CDB_16); /* SCSI CDB */
+ desc->u.icmnd_16.data_len = data_len; /* length of data expected */
+ memcpy(desc->u.icmnd_16.lun, lun, LUN_ADDRESS); /* LUN address */
+ desc->u.icmnd_16._resvd2 = 0; /* reserved */
+ hton24(desc->u.icmnd_16.d_id, d_id); /* FC vNIC only: Target D_ID */
+ desc->u.icmnd_16.mss = mss; /* FC vNIC only: max burst */
+ desc->u.icmnd_16.r_a_tov = ratov; /*FC vNIC only: Res. Alloc Timeout */
+ desc->u.icmnd_16.e_d_tov = edtov; /*FC vNIC only: Err Detect Timeout */
+
+ vnic_wq_copy_post(wq);
+}
+
+static inline void fnic_queue_wq_copy_desc_itmf(struct vnic_wq_copy *wq,
+ u32 req_id, u32 lunmap_id,
+ u32 tm_req, u32 tm_id, u8 *lun,
+ u32 d_id, u32 r_a_tov,
+ u32 e_d_tov)
+{
+ struct fcpio_host_req *desc = vnic_wq_copy_next_desc(wq);
+
+ desc->hdr.type = FCPIO_ITMF; /* enum fcpio_type */
+ desc->hdr.status = 0; /* header status entry */
+ desc->hdr._resvd = 0; /* reserved */
+ desc->hdr.tag.u.req_id = req_id; /* id for this request */
+
+ desc->u.itmf.lunmap_id = lunmap_id; /* index into lunmap table */
+ desc->u.itmf.tm_req = tm_req; /* SCSI Task Management request */
+ desc->u.itmf.t_tag = tm_id; /* tag of fcpio to be aborted */
+ desc->u.itmf._resvd = 0;
+ memcpy(desc->u.itmf.lun, lun, LUN_ADDRESS); /* LUN address */
+ desc->u.itmf._resvd1 = 0;
+ hton24(desc->u.itmf.d_id, d_id); /* FC vNIC only: Target D_ID */
+ desc->u.itmf.r_a_tov = r_a_tov; /* FC vNIC only: R_A_TOV in msec */
+ desc->u.itmf.e_d_tov = e_d_tov; /* FC vNIC only: E_D_TOV in msec */
+
+ vnic_wq_copy_post(wq);
+}
+
+static inline void fnic_queue_wq_copy_desc_flogi_reg(struct vnic_wq_copy *wq,
+ u32 req_id, u8 format,
+ u32 s_id, u8 *gw_mac)
+{
+ struct fcpio_host_req *desc = vnic_wq_copy_next_desc(wq);
+
+ desc->hdr.type = FCPIO_FLOGI_REG; /* enum fcpio_type */
+ desc->hdr.status = 0; /* header status entry */
+ desc->hdr._resvd = 0; /* reserved */
+ desc->hdr.tag.u.req_id = req_id; /* id for this request */
+
+ desc->u.flogi_reg.format = format;
+ hton24(desc->u.flogi_reg.s_id, s_id);
+ memcpy(desc->u.flogi_reg.gateway_mac, gw_mac, ETH_ALEN);
+
+ vnic_wq_copy_post(wq);
+}
+
+static inline void fnic_queue_wq_copy_desc_fw_reset(struct vnic_wq_copy *wq,
+ u32 req_id)
+{
+ struct fcpio_host_req *desc = vnic_wq_copy_next_desc(wq);
+
+ desc->hdr.type = FCPIO_RESET; /* enum fcpio_type */
+ desc->hdr.status = 0; /* header status entry */
+ desc->hdr._resvd = 0; /* reserved */
+ desc->hdr.tag.u.req_id = req_id; /* id for this request */
+
+ vnic_wq_copy_post(wq);
+}
+
+static inline void fnic_queue_wq_copy_desc_lunmap(struct vnic_wq_copy *wq,
+ u32 req_id, u64 lunmap_addr,
+ u32 lunmap_len)
+{
+ struct fcpio_host_req *desc = vnic_wq_copy_next_desc(wq);
+
+ desc->hdr.type = FCPIO_LUNMAP_REQ; /* enum fcpio_type */
+ desc->hdr.status = 0; /* header status entry */
+ desc->hdr._resvd = 0; /* reserved */
+ desc->hdr.tag.u.req_id = req_id; /* id for this request */
+
+ desc->u.lunmap_req.addr = lunmap_addr; /* address of the buffer */
+ desc->u.lunmap_req.len = lunmap_len; /* len of the buffer */
+
+ vnic_wq_copy_post(wq);
+}
+
+static inline void fnic_queue_rq_desc(struct vnic_rq *rq,
+ void *os_buf, dma_addr_t dma_addr,
+ u16 len)
+{
+ struct rq_enet_desc *desc = vnic_rq_next_desc(rq);
+
+ rq_enet_desc_enc(desc,
+ (u64)dma_addr | VNIC_PADDR_TARGET,
+ RQ_ENET_TYPE_ONLY_SOP,
+ (u16)len);
+
+ vnic_rq_post(rq, os_buf, 0, dma_addr, len);
+}
+
+
+struct fnic;
+
+int fnic_get_vnic_config(struct fnic *);
+int fnic_alloc_vnic_resources(struct fnic *);
+void fnic_free_vnic_resources(struct fnic *);
+void fnic_get_res_counts(struct fnic *);
+int fnic_set_nic_config(struct fnic *fnic, u8 rss_default_cpu,
+ u8 rss_hash_type, u8 rss_hash_bits, u8 rss_base_cpu,
+ u8 rss_enable, u8 tso_ipid_split_en,
+ u8 ig_vlan_strip_en);
+
+#endif /* _FNIC_RES_H_ */
diff --git a/drivers/scsi/fnic/fnic_scsi.c b/drivers/scsi/fnic/fnic_scsi.c
new file mode 100644
index 000000000000..eabf36502856
--- /dev/null
+++ b/drivers/scsi/fnic/fnic_scsi.c
@@ -0,0 +1,1850 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc. All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc. All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#include <linux/mempool.h>
+#include <linux/errno.h>
+#include <linux/init.h>
+#include <linux/workqueue.h>
+#include <linux/pci.h>
+#include <linux/scatterlist.h>
+#include <linux/skbuff.h>
+#include <linux/spinlock.h>
+#include <linux/if_ether.h>
+#include <linux/if_vlan.h>
+#include <linux/delay.h>
+#include <scsi/scsi.h>
+#include <scsi/scsi_host.h>
+#include <scsi/scsi_device.h>
+#include <scsi/scsi_cmnd.h>
+#include <scsi/scsi_tcq.h>
+#include <scsi/fc/fc_els.h>
+#include <scsi/fc/fc_fcoe.h>
+#include <scsi/libfc.h>
+#include <scsi/fc_frame.h>
+#include "fnic_io.h"
+#include "fnic.h"
+
+const char *fnic_state_str[] = {
+ [FNIC_IN_FC_MODE] = "FNIC_IN_FC_MODE",
+ [FNIC_IN_FC_TRANS_ETH_MODE] = "FNIC_IN_FC_TRANS_ETH_MODE",
+ [FNIC_IN_ETH_MODE] = "FNIC_IN_ETH_MODE",
+ [FNIC_IN_ETH_TRANS_FC_MODE] = "FNIC_IN_ETH_TRANS_FC_MODE",
+};
+
+static const char *fnic_ioreq_state_str[] = {
+ [FNIC_IOREQ_CMD_PENDING] = "FNIC_IOREQ_CMD_PENDING",
+ [FNIC_IOREQ_ABTS_PENDING] = "FNIC_IOREQ_ABTS_PENDING",
+ [FNIC_IOREQ_ABTS_COMPLETE] = "FNIC_IOREQ_ABTS_COMPLETE",
+ [FNIC_IOREQ_CMD_COMPLETE] = "FNIC_IOREQ_CMD_COMPLETE",
+};
+
+static const char *fcpio_status_str[] = {
+ [FCPIO_SUCCESS] = "FCPIO_SUCCESS", /*0x0*/
+ [FCPIO_INVALID_HEADER] = "FCPIO_INVALID_HEADER",
+ [FCPIO_OUT_OF_RESOURCE] = "FCPIO_OUT_OF_RESOURCE",
+ [FCPIO_INVALID_PARAM] = "FCPIO_INVALID_PARAM]",
+ [FCPIO_REQ_NOT_SUPPORTED] = "FCPIO_REQ_NOT_SUPPORTED",
+ [FCPIO_IO_NOT_FOUND] = "FCPIO_IO_NOT_FOUND",
+ [FCPIO_ABORTED] = "FCPIO_ABORTED", /*0x41*/
+ [FCPIO_TIMEOUT] = "FCPIO_TIMEOUT",
+ [FCPIO_SGL_INVALID] = "FCPIO_SGL_INVALID",
+ [FCPIO_MSS_INVALID] = "FCPIO_MSS_INVALID",
+ [FCPIO_DATA_CNT_MISMATCH] = "FCPIO_DATA_CNT_MISMATCH",
+ [FCPIO_FW_ERR] = "FCPIO_FW_ERR",
+ [FCPIO_ITMF_REJECTED] = "FCPIO_ITMF_REJECTED",
+ [FCPIO_ITMF_FAILED] = "FCPIO_ITMF_FAILED",
+ [FCPIO_ITMF_INCORRECT_LUN] = "FCPIO_ITMF_INCORRECT_LUN",
+ [FCPIO_CMND_REJECTED] = "FCPIO_CMND_REJECTED",
+ [FCPIO_NO_PATH_AVAIL] = "FCPIO_NO_PATH_AVAIL",
+ [FCPIO_PATH_FAILED] = "FCPIO_PATH_FAILED",
+ [FCPIO_LUNMAP_CHNG_PEND] = "FCPIO_LUNHMAP_CHNG_PEND",
+};
+
+const char *fnic_state_to_str(unsigned int state)
+{
+ if (state >= ARRAY_SIZE(fnic_state_str) || !fnic_state_str[state])
+ return "unknown";
+
+ return fnic_state_str[state];
+}
+
+static const char *fnic_ioreq_state_to_str(unsigned int state)
+{
+ if (state >= ARRAY_SIZE(fnic_ioreq_state_str) ||
+ !fnic_ioreq_state_str[state])
+ return "unknown";
+
+ return fnic_ioreq_state_str[state];
+}
+
+static const char *fnic_fcpio_status_to_str(unsigned int status)
+{
+ if (status >= ARRAY_SIZE(fcpio_status_str) || !fcpio_status_str[status])
+ return "unknown";
+
+ return fcpio_status_str[status];
+}
+
+static void fnic_cleanup_io(struct fnic *fnic, int exclude_id);
+
+static inline spinlock_t *fnic_io_lock_hash(struct fnic *fnic,
+ struct scsi_cmnd *sc)
+{
+ u32 hash = sc->request->tag & (FNIC_IO_LOCKS - 1);
+
+ return &fnic->io_req_lock[hash];
+}
+
+/*
+ * Unmap the data buffer and sense buffer for an io_req,
+ * also unmap and free the device-private scatter/gather list.
+ */
+static void fnic_release_ioreq_buf(struct fnic *fnic,
+ struct fnic_io_req *io_req,
+ struct scsi_cmnd *sc)
+{
+ if (io_req->sgl_list_pa)
+ pci_unmap_single(fnic->pdev, io_req->sgl_list_pa,
+ sizeof(io_req->sgl_list[0]) * io_req->sgl_cnt,
+ PCI_DMA_TODEVICE);
+ scsi_dma_unmap(sc);
+
+ if (io_req->sgl_cnt)
+ mempool_free(io_req->sgl_list_alloc,
+ fnic->io_sgl_pool[io_req->sgl_type]);
+ if (io_req->sense_buf_pa)
+ pci_unmap_single(fnic->pdev, io_req->sense_buf_pa,
+ SCSI_SENSE_BUFFERSIZE, PCI_DMA_FROMDEVICE);
+}
+
+/* Free up Copy Wq descriptors. Called with copy_wq lock held */
+static int free_wq_copy_descs(struct fnic *fnic, struct vnic_wq_copy *wq)
+{
+ /* if no Ack received from firmware, then nothing to clean */
+ if (!fnic->fw_ack_recd[0])
+ return 1;
+
+ /*
+ * Update desc_available count based on number of freed descriptors
+ * Account for wraparound
+ */
+ if (wq->to_clean_index <= fnic->fw_ack_index[0])
+ wq->ring.desc_avail += (fnic->fw_ack_index[0]
+ - wq->to_clean_index + 1);
+ else
+ wq->ring.desc_avail += (wq->ring.desc_count
+ - wq->to_clean_index
+ + fnic->fw_ack_index[0] + 1);
+
+ /*
+ * just bump clean index to ack_index+1 accounting for wraparound
+ * this will essentially free up all descriptors between
+ * to_clean_index and fw_ack_index, both inclusive
+ */
+ wq->to_clean_index =
+ (fnic->fw_ack_index[0] + 1) % wq->ring.desc_count;
+
+ /* we have processed the acks received so far */
+ fnic->fw_ack_recd[0] = 0;
+ return 0;
+}
+
+
+/*
+ * fnic_fw_reset_handler
+ * Routine to send reset msg to fw
+ */
+int fnic_fw_reset_handler(struct fnic *fnic)
+{
+ struct vnic_wq_copy *wq = &fnic->wq_copy[0];
+ int ret = 0;
+ unsigned long flags;
+
+ spin_lock_irqsave(&fnic->wq_copy_lock[0], flags);
+
+ if (vnic_wq_copy_desc_avail(wq) <= fnic->wq_copy_desc_low[0])
+ free_wq_copy_descs(fnic, wq);
+
+ if (!vnic_wq_copy_desc_avail(wq))
+ ret = -EAGAIN;
+ else
+ fnic_queue_wq_copy_desc_fw_reset(wq, SCSI_NO_TAG);
+
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[0], flags);
+
+ if (!ret)
+ FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+ "Issued fw reset\n");
+ else
+ FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+ "Failed to issue fw reset\n");
+ return ret;
+}
+
+
+/*
+ * fnic_flogi_reg_handler
+ * Routine to send flogi register msg to fw
+ */
+int fnic_flogi_reg_handler(struct fnic *fnic)
+{
+ struct vnic_wq_copy *wq = &fnic->wq_copy[0];
+ u8 gw_mac[ETH_ALEN];
+ int ret = 0;
+ unsigned long flags;
+
+ spin_lock_irqsave(&fnic->wq_copy_lock[0], flags);
+
+ if (vnic_wq_copy_desc_avail(wq) <= fnic->wq_copy_desc_low[0])
+ free_wq_copy_descs(fnic, wq);
+
+ if (!vnic_wq_copy_desc_avail(wq)) {
+ ret = -EAGAIN;
+ goto flogi_reg_ioreq_end;
+ }
+
+ if (fnic->fcoui_mode)
+ memset(gw_mac, 0xff, ETH_ALEN);
+ else
+ memcpy(gw_mac, fnic->dest_addr, ETH_ALEN);
+
+ fnic_queue_wq_copy_desc_flogi_reg(wq, SCSI_NO_TAG,
+ FCPIO_FLOGI_REG_GW_DEST,
+ fnic->s_id,
+ gw_mac);
+
+flogi_reg_ioreq_end:
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[0], flags);
+
+ if (!ret)
+ FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+ "flog reg issued\n");
+
+ return ret;
+}
+
+/*
+ * fnic_queue_wq_copy_desc
+ * Routine to enqueue a wq copy desc
+ */
+static inline int fnic_queue_wq_copy_desc(struct fnic *fnic,
+ struct vnic_wq_copy *wq,
+ struct fnic_io_req *io_req,
+ struct scsi_cmnd *sc,
+ u32 sg_count)
+{
+ struct scatterlist *sg;
+ struct fc_rport *rport = starget_to_rport(scsi_target(sc->device));
+ struct fc_rport_libfc_priv *rp = rport->dd_data;
+ struct host_sg_desc *desc;
+ u8 pri_tag = 0;
+ unsigned int i;
+ unsigned long intr_flags;
+ int flags;
+ u8 exch_flags;
+ struct scsi_lun fc_lun;
+ char msg[2];
+
+ if (sg_count) {
+ BUG_ON(sg_count < 0);
+ BUG_ON(sg_count > FNIC_MAX_SG_DESC_CNT);
+
+ /* For each SGE, create a device desc entry */
+ desc = io_req->sgl_list;
+ for_each_sg(scsi_sglist(sc), sg, sg_count, i) {
+ desc->addr = cpu_to_le64(sg_dma_address(sg));
+ desc->len = cpu_to_le32(sg_dma_len(sg));
+ desc->_resvd = 0;
+ desc++;
+ }
+
+ io_req->sgl_list_pa = pci_map_single
+ (fnic->pdev,
+ io_req->sgl_list,
+ sizeof(io_req->sgl_list[0]) * sg_count,
+ PCI_DMA_TODEVICE);
+ }
+
+ io_req->sense_buf_pa = pci_map_single(fnic->pdev,
+ sc->sense_buffer,
+ SCSI_SENSE_BUFFERSIZE,
+ PCI_DMA_FROMDEVICE);
+
+ int_to_scsilun(sc->device->lun, &fc_lun);
+
+ pri_tag = FCPIO_ICMND_PTA_SIMPLE;
+ msg[0] = MSG_SIMPLE_TAG;
+ scsi_populate_tag_msg(sc, msg);
+ if (msg[0] == MSG_ORDERED_TAG)
+ pri_tag = FCPIO_ICMND_PTA_ORDERED;
+
+ /* Enqueue the descriptor in the Copy WQ */
+ spin_lock_irqsave(&fnic->wq_copy_lock[0], intr_flags);
+
+ if (vnic_wq_copy_desc_avail(wq) <= fnic->wq_copy_desc_low[0])
+ free_wq_copy_descs(fnic, wq);
+
+ if (unlikely(!vnic_wq_copy_desc_avail(wq))) {
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[0], intr_flags);
+ return SCSI_MLQUEUE_HOST_BUSY;
+ }
+
+ flags = 0;
+ if (sc->sc_data_direction == DMA_FROM_DEVICE)
+ flags = FCPIO_ICMND_RDDATA;
+ else if (sc->sc_data_direction == DMA_TO_DEVICE)
+ flags = FCPIO_ICMND_WRDATA;
+
+ exch_flags = 0;
+ if ((fnic->config.flags & VFCF_FCP_SEQ_LVL_ERR) &&
+ (rp->flags & FC_RP_FLAGS_RETRY))
+ exch_flags |= FCPIO_ICMND_SRFLAG_RETRY;
+
+ fnic_queue_wq_copy_desc_icmnd_16(wq, sc->request->tag,
+ 0, exch_flags, io_req->sgl_cnt,
+ SCSI_SENSE_BUFFERSIZE,
+ io_req->sgl_list_pa,
+ io_req->sense_buf_pa,
+ 0, /* scsi cmd ref, always 0 */
+ pri_tag, /* scsi pri and tag */
+ flags, /* command flags */
+ sc->cmnd, scsi_bufflen(sc),
+ fc_lun.scsi_lun, io_req->port_id,
+ rport->maxframe_size, rp->r_a_tov,
+ rp->e_d_tov);
+
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[0], intr_flags);
+ return 0;
+}
+
+/*
+ * fnic_queuecommand
+ * Routine to send a scsi cdb
+ * Called with host_lock held and interrupts disabled.
+ */
+int fnic_queuecommand(struct scsi_cmnd *sc, void (*done)(struct scsi_cmnd *))
+{
+ struct fc_lport *lp;
+ struct fc_rport *rport;
+ struct fnic_io_req *io_req;
+ struct fnic *fnic;
+ struct vnic_wq_copy *wq;
+ int ret;
+ u32 sg_count;
+ unsigned long flags;
+ unsigned long ptr;
+
+ rport = starget_to_rport(scsi_target(sc->device));
+ ret = fc_remote_port_chkready(rport);
+ if (ret) {
+ sc->result = ret;
+ done(sc);
+ return 0;
+ }
+
+ lp = shost_priv(sc->device->host);
+ if (lp->state != LPORT_ST_READY || !(lp->link_up))
+ return SCSI_MLQUEUE_HOST_BUSY;
+
+ /*
+ * Release host lock, use driver resource specific locks from here.
+ * Don't re-enable interrupts in case they were disabled prior to the
+ * caller disabling them.
+ */
+ spin_unlock(lp->host->host_lock);
+
+ /* Get a new io_req for this SCSI IO */
+ fnic = lport_priv(lp);
+
+ io_req = mempool_alloc(fnic->io_req_pool, GFP_ATOMIC);
+ if (!io_req) {
+ ret = SCSI_MLQUEUE_HOST_BUSY;
+ goto out;
+ }
+ memset(io_req, 0, sizeof(*io_req));
+
+ /* Map the data buffer */
+ sg_count = scsi_dma_map(sc);
+ if (sg_count < 0) {
+ mempool_free(io_req, fnic->io_req_pool);
+ goto out;
+ }
+
+ /* Determine the type of scatter/gather list we need */
+ io_req->sgl_cnt = sg_count;
+ io_req->sgl_type = FNIC_SGL_CACHE_DFLT;
+ if (sg_count > FNIC_DFLT_SG_DESC_CNT)
+ io_req->sgl_type = FNIC_SGL_CACHE_MAX;
+
+ if (sg_count) {
+ io_req->sgl_list =
+ mempool_alloc(fnic->io_sgl_pool[io_req->sgl_type],
+ GFP_ATOMIC | GFP_DMA);
+ if (!io_req->sgl_list) {
+ ret = SCSI_MLQUEUE_HOST_BUSY;
+ scsi_dma_unmap(sc);
+ mempool_free(io_req, fnic->io_req_pool);
+ goto out;
+ }
+
+ /* Cache sgl list allocated address before alignment */
+ io_req->sgl_list_alloc = io_req->sgl_list;
+ ptr = (unsigned long) io_req->sgl_list;
+ if (ptr % FNIC_SG_DESC_ALIGN) {
+ io_req->sgl_list = (struct host_sg_desc *)
+ (((unsigned long) ptr
+ + FNIC_SG_DESC_ALIGN - 1)
+ & ~(FNIC_SG_DESC_ALIGN - 1));
+ }
+ }
+
+ /* initialize rest of io_req */
+ io_req->port_id = rport->port_id;
+ CMD_STATE(sc) = FNIC_IOREQ_CMD_PENDING;
+ CMD_SP(sc) = (char *)io_req;
+ sc->scsi_done = done;
+
+ /* create copy wq desc and enqueue it */
+ wq = &fnic->wq_copy[0];
+ ret = fnic_queue_wq_copy_desc(fnic, wq, io_req, sc, sg_count);
+ if (ret) {
+ /*
+ * In case another thread cancelled the request,
+ * refetch the pointer under the lock.
+ */
+ spinlock_t *io_lock = fnic_io_lock_hash(fnic, sc);
+
+ spin_lock_irqsave(io_lock, flags);
+ io_req = (struct fnic_io_req *)CMD_SP(sc);
+ CMD_SP(sc) = NULL;
+ CMD_STATE(sc) = FNIC_IOREQ_CMD_COMPLETE;
+ spin_unlock_irqrestore(io_lock, flags);
+ if (io_req) {
+ fnic_release_ioreq_buf(fnic, io_req, sc);
+ mempool_free(io_req, fnic->io_req_pool);
+ }
+ }
+out:
+ /* acquire host lock before returning to SCSI */
+ spin_lock(lp->host->host_lock);
+ return ret;
+}
+
+/*
+ * fnic_fcpio_fw_reset_cmpl_handler
+ * Routine to handle fw reset completion
+ */
+static int fnic_fcpio_fw_reset_cmpl_handler(struct fnic *fnic,
+ struct fcpio_fw_req *desc)
+{
+ u8 type;
+ u8 hdr_status;
+ struct fcpio_tag tag;
+ int ret = 0;
+ struct fc_frame *flogi;
+ unsigned long flags;
+
+ fcpio_header_dec(&desc->hdr, &type, &hdr_status, &tag);
+
+ /* Clean up all outstanding io requests */
+ fnic_cleanup_io(fnic, SCSI_NO_TAG);
+
+ spin_lock_irqsave(&fnic->fnic_lock, flags);
+
+ flogi = fnic->flogi;
+ fnic->flogi = NULL;
+
+ /* fnic should be in FC_TRANS_ETH_MODE */
+ if (fnic->state == FNIC_IN_FC_TRANS_ETH_MODE) {
+ /* Check status of reset completion */
+ if (!hdr_status) {
+ FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+ "reset cmpl success\n");
+ /* Ready to send flogi out */
+ fnic->state = FNIC_IN_ETH_MODE;
+ } else {
+ FNIC_SCSI_DBG(KERN_DEBUG,
+ fnic->lport->host,
+ "fnic fw_reset : failed %s\n",
+ fnic_fcpio_status_to_str(hdr_status));
+
+ /*
+ * Unable to change to eth mode, cannot send out flogi
+ * Change state to fc mode, so that subsequent Flogi
+ * requests from libFC will cause more attempts to
+ * reset the firmware. Free the cached flogi
+ */
+ fnic->state = FNIC_IN_FC_MODE;
+ ret = -1;
+ }
+ } else {
+ FNIC_SCSI_DBG(KERN_DEBUG,
+ fnic->lport->host,
+ "Unexpected state %s while processing"
+ " reset cmpl\n", fnic_state_to_str(fnic->state));
+ ret = -1;
+ }
+
+ /* Thread removing device blocks till firmware reset is complete */
+ if (fnic->remove_wait)
+ complete(fnic->remove_wait);
+
+ /*
+ * If fnic is being removed, or fw reset failed
+ * free the flogi frame. Else, send it out
+ */
+ if (fnic->remove_wait || ret) {
+ fnic->flogi_oxid = FC_XID_UNKNOWN;
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+ if (flogi)
+ dev_kfree_skb_irq(fp_skb(flogi));
+ goto reset_cmpl_handler_end;
+ }
+
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+
+ if (flogi)
+ ret = fnic_send_frame(fnic, flogi);
+
+ reset_cmpl_handler_end:
+ return ret;
+}
+
+/*
+ * fnic_fcpio_flogi_reg_cmpl_handler
+ * Routine to handle flogi register completion
+ */
+static int fnic_fcpio_flogi_reg_cmpl_handler(struct fnic *fnic,
+ struct fcpio_fw_req *desc)
+{
+ u8 type;
+ u8 hdr_status;
+ struct fcpio_tag tag;
+ int ret = 0;
+ struct fc_frame *flogi_resp = NULL;
+ unsigned long flags;
+ struct sk_buff *skb;
+
+ fcpio_header_dec(&desc->hdr, &type, &hdr_status, &tag);
+
+ /* Update fnic state based on status of flogi reg completion */
+ spin_lock_irqsave(&fnic->fnic_lock, flags);
+
+ flogi_resp = fnic->flogi_resp;
+ fnic->flogi_resp = NULL;
+
+ if (fnic->state == FNIC_IN_ETH_TRANS_FC_MODE) {
+
+ /* Check flogi registration completion status */
+ if (!hdr_status) {
+ FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+ "flog reg succeeded\n");
+ fnic->state = FNIC_IN_FC_MODE;
+ } else {
+ FNIC_SCSI_DBG(KERN_DEBUG,
+ fnic->lport->host,
+ "fnic flogi reg :failed %s\n",
+ fnic_fcpio_status_to_str(hdr_status));
+ fnic->state = FNIC_IN_ETH_MODE;
+ ret = -1;
+ }
+ } else {
+ FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+ "Unexpected fnic state %s while"
+ " processing flogi reg completion\n",
+ fnic_state_to_str(fnic->state));
+ ret = -1;
+ }
+
+ /* Successful flogi reg cmpl, pass frame to LibFC */
+ if (!ret && flogi_resp) {
+ if (fnic->stop_rx_link_events) {
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+ goto reg_cmpl_handler_end;
+ }
+ skb = (struct sk_buff *)flogi_resp;
+ /* Use fr_flags to indicate whether flogi resp or not */
+ fr_flags(flogi_resp) = 1;
+ fr_dev(flogi_resp) = fnic->lport;
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+
+ skb_queue_tail(&fnic->frame_queue, skb);
+ queue_work(fnic_event_queue, &fnic->frame_work);
+
+ } else {
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+ if (flogi_resp)
+ dev_kfree_skb_irq(fp_skb(flogi_resp));
+ }
+
+reg_cmpl_handler_end:
+ return ret;
+}
+
+static inline int is_ack_index_in_range(struct vnic_wq_copy *wq,
+ u16 request_out)
+{
+ if (wq->to_clean_index <= wq->to_use_index) {
+ /* out of range, stale request_out index */
+ if (request_out < wq->to_clean_index ||
+ request_out >= wq->to_use_index)
+ return 0;
+ } else {
+ /* out of range, stale request_out index */
+ if (request_out < wq->to_clean_index &&
+ request_out >= wq->to_use_index)
+ return 0;
+ }
+ /* request_out index is in range */
+ return 1;
+}
+
+
+/*
+ * Mark that ack received and store the Ack index. If there are multiple
+ * acks received before Tx thread cleans it up, the latest value will be
+ * used which is correct behavior. This state should be in the copy Wq
+ * instead of in the fnic
+ */
+static inline void fnic_fcpio_ack_handler(struct fnic *fnic,
+ unsigned int cq_index,
+ struct fcpio_fw_req *desc)
+{
+ struct vnic_wq_copy *wq;
+ u16 request_out = desc->u.ack.request_out;
+ unsigned long flags;
+
+ /* mark the ack state */
+ wq = &fnic->wq_copy[cq_index - fnic->raw_wq_count - fnic->rq_count];
+ spin_lock_irqsave(&fnic->wq_copy_lock[0], flags);
+
+ if (is_ack_index_in_range(wq, request_out)) {
+ fnic->fw_ack_index[0] = request_out;
+ fnic->fw_ack_recd[0] = 1;
+ }
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[0], flags);
+}
+
+/*
+ * fnic_fcpio_icmnd_cmpl_handler
+ * Routine to handle icmnd completions
+ */
+static void fnic_fcpio_icmnd_cmpl_handler(struct fnic *fnic,
+ struct fcpio_fw_req *desc)
+{
+ u8 type;
+ u8 hdr_status;
+ struct fcpio_tag tag;
+ u32 id;
+ u64 xfer_len = 0;
+ struct fcpio_icmnd_cmpl *icmnd_cmpl;
+ struct fnic_io_req *io_req;
+ struct scsi_cmnd *sc;
+ unsigned long flags;
+ spinlock_t *io_lock;
+
+ /* Decode the cmpl description to get the io_req id */
+ fcpio_header_dec(&desc->hdr, &type, &hdr_status, &tag);
+ fcpio_tag_id_dec(&tag, &id);
+
+ if (id >= FNIC_MAX_IO_REQ)
+ return;
+
+ sc = scsi_host_find_tag(fnic->lport->host, id);
+ WARN_ON_ONCE(!sc);
+ if (!sc)
+ return;
+
+ io_lock = fnic_io_lock_hash(fnic, sc);
+ spin_lock_irqsave(io_lock, flags);
+ io_req = (struct fnic_io_req *)CMD_SP(sc);
+ WARN_ON_ONCE(!io_req);
+ if (!io_req) {
+ spin_unlock_irqrestore(io_lock, flags);
+ return;
+ }
+
+ /* firmware completed the io */
+ io_req->io_completed = 1;
+
+ /*
+ * if SCSI-ML has already issued abort on this command,
+ * ignore completion of the IO. The abts path will clean it up
+ */
+ if (CMD_STATE(sc) == FNIC_IOREQ_ABTS_PENDING) {
+ spin_unlock_irqrestore(io_lock, flags);
+ return;
+ }
+
+ /* Mark the IO as complete */
+ CMD_STATE(sc) = FNIC_IOREQ_CMD_COMPLETE;
+
+ icmnd_cmpl = &desc->u.icmnd_cmpl;
+
+ switch (hdr_status) {
+ case FCPIO_SUCCESS:
+ sc->result = (DID_OK << 16) | icmnd_cmpl->scsi_status;
+ xfer_len = scsi_bufflen(sc);
+ scsi_set_resid(sc, icmnd_cmpl->residual);
+
+ if (icmnd_cmpl->flags & FCPIO_ICMND_CMPL_RESID_UNDER)
+ xfer_len -= icmnd_cmpl->residual;
+
+ /*
+ * If queue_full, then try to reduce queue depth for all
+ * LUNS on the target. Todo: this should be accompanied
+ * by a periodic queue_depth rampup based on successful
+ * IO completion.
+ */
+ if (icmnd_cmpl->scsi_status == QUEUE_FULL) {
+ struct scsi_device *t_sdev;
+ int qd = 0;
+
+ shost_for_each_device(t_sdev, sc->device->host) {
+ if (t_sdev->id != sc->device->id)
+ continue;
+
+ if (t_sdev->queue_depth > 1) {
+ qd = scsi_track_queue_full
+ (t_sdev,
+ t_sdev->queue_depth - 1);
+ if (qd == -1)
+ qd = t_sdev->host->cmd_per_lun;
+ shost_printk(KERN_INFO,
+ fnic->lport->host,
+ "scsi[%d:%d:%d:%d"
+ "] queue full detected,"
+ "new depth = %d\n",
+ t_sdev->host->host_no,
+ t_sdev->channel,
+ t_sdev->id, t_sdev->lun,
+ t_sdev->queue_depth);
+ }
+ }
+ }
+ break;
+
+ case FCPIO_TIMEOUT: /* request was timed out */
+ sc->result = (DID_TIME_OUT << 16) | icmnd_cmpl->scsi_status;
+ break;
+
+ case FCPIO_ABORTED: /* request was aborted */
+ sc->result = (DID_ERROR << 16) | icmnd_cmpl->scsi_status;
+ break;
+
+ case FCPIO_DATA_CNT_MISMATCH: /* recv/sent more/less data than exp. */
+ scsi_set_resid(sc, icmnd_cmpl->residual);
+ sc->result = (DID_ERROR << 16) | icmnd_cmpl->scsi_status;
+ break;
+
+ case FCPIO_OUT_OF_RESOURCE: /* out of resources to complete request */
+ sc->result = (DID_REQUEUE << 16) | icmnd_cmpl->scsi_status;
+ break;
+ case FCPIO_INVALID_HEADER: /* header contains invalid data */
+ case FCPIO_INVALID_PARAM: /* some parameter in request invalid */
+ case FCPIO_REQ_NOT_SUPPORTED:/* request type is not supported */
+ case FCPIO_IO_NOT_FOUND: /* requested I/O was not found */
+ case FCPIO_SGL_INVALID: /* request was aborted due to sgl error */
+ case FCPIO_MSS_INVALID: /* request was aborted due to mss error */
+ case FCPIO_FW_ERR: /* request was terminated due fw error */
+ default:
+ shost_printk(KERN_ERR, fnic->lport->host, "hdr status = %s\n",
+ fnic_fcpio_status_to_str(hdr_status));
+ sc->result = (DID_ERROR << 16) | icmnd_cmpl->scsi_status;
+ break;
+ }
+
+ /* Break link with the SCSI command */
+ CMD_SP(sc) = NULL;
+
+ spin_unlock_irqrestore(io_lock, flags);
+
+ fnic_release_ioreq_buf(fnic, io_req, sc);
+
+ mempool_free(io_req, fnic->io_req_pool);
+
+ if (sc->sc_data_direction == DMA_FROM_DEVICE) {
+ fnic->lport->host_stats.fcp_input_requests++;
+ fnic->fcp_input_bytes += xfer_len;
+ } else if (sc->sc_data_direction == DMA_TO_DEVICE) {
+ fnic->lport->host_stats.fcp_output_requests++;
+ fnic->fcp_output_bytes += xfer_len;
+ } else
+ fnic->lport->host_stats.fcp_control_requests++;
+
+ /* Call SCSI completion function to complete the IO */
+ if (sc->scsi_done)
+ sc->scsi_done(sc);
+
+}
+
+/* fnic_fcpio_itmf_cmpl_handler
+ * Routine to handle itmf completions
+ */
+static void fnic_fcpio_itmf_cmpl_handler(struct fnic *fnic,
+ struct fcpio_fw_req *desc)
+{
+ u8 type;
+ u8 hdr_status;
+ struct fcpio_tag tag;
+ u32 id;
+ struct scsi_cmnd *sc;
+ struct fnic_io_req *io_req;
+ unsigned long flags;
+ spinlock_t *io_lock;
+
+ fcpio_header_dec(&desc->hdr, &type, &hdr_status, &tag);
+ fcpio_tag_id_dec(&tag, &id);
+
+ if ((id & FNIC_TAG_MASK) >= FNIC_MAX_IO_REQ)
+ return;
+
+ sc = scsi_host_find_tag(fnic->lport->host, id & FNIC_TAG_MASK);
+ WARN_ON_ONCE(!sc);
+ if (!sc)
+ return;
+
+ io_lock = fnic_io_lock_hash(fnic, sc);
+ spin_lock_irqsave(io_lock, flags);
+ io_req = (struct fnic_io_req *)CMD_SP(sc);
+ WARN_ON_ONCE(!io_req);
+ if (!io_req) {
+ spin_unlock_irqrestore(io_lock, flags);
+ return;
+ }
+
+ if (id & FNIC_TAG_ABORT) {
+ /* Completion of abort cmd */
+ if (CMD_STATE(sc) != FNIC_IOREQ_ABTS_PENDING) {
+ /* This is a late completion. Ignore it */
+ spin_unlock_irqrestore(io_lock, flags);
+ return;
+ }
+ CMD_STATE(sc) = FNIC_IOREQ_ABTS_COMPLETE;
+ CMD_ABTS_STATUS(sc) = hdr_status;
+
+ FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+ "abts cmpl recd. id %d status %s\n",
+ (int)(id & FNIC_TAG_MASK),
+ fnic_fcpio_status_to_str(hdr_status));
+
+ /*
+ * If scsi_eh thread is blocked waiting for abts to complete,
+ * signal completion to it. IO will be cleaned in the thread
+ * else clean it in this context
+ */
+ if (io_req->abts_done) {
+ complete(io_req->abts_done);
+ spin_unlock_irqrestore(io_lock, flags);
+ } else {
+ FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+ "abts cmpl, completing IO\n");
+ CMD_SP(sc) = NULL;
+ sc->result = (DID_ERROR << 16);
+
+ spin_unlock_irqrestore(io_lock, flags);
+
+ fnic_release_ioreq_buf(fnic, io_req, sc);
+ mempool_free(io_req, fnic->io_req_pool);
+ if (sc->scsi_done)
+ sc->scsi_done(sc);
+ }
+
+ } else if (id & FNIC_TAG_DEV_RST) {
+ /* Completion of device reset */
+ CMD_LR_STATUS(sc) = hdr_status;
+ CMD_STATE(sc) = FNIC_IOREQ_CMD_COMPLETE;
+ FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+ "dev reset cmpl recd. id %d status %s\n",
+ (int)(id & FNIC_TAG_MASK),
+ fnic_fcpio_status_to_str(hdr_status));
+ if (io_req->dr_done)
+ complete(io_req->dr_done);
+ spin_unlock_irqrestore(io_lock, flags);
+
+ } else {
+ shost_printk(KERN_ERR, fnic->lport->host,
+ "Unexpected itmf io state %s tag %x\n",
+ fnic_ioreq_state_to_str(CMD_STATE(sc)), id);
+ spin_unlock_irqrestore(io_lock, flags);
+ }
+
+}
+
+/*
+ * fnic_fcpio_cmpl_handler
+ * Routine to service the cq for wq_copy
+ */
+static int fnic_fcpio_cmpl_handler(struct vnic_dev *vdev,
+ unsigned int cq_index,
+ struct fcpio_fw_req *desc)
+{
+ struct fnic *fnic = vnic_dev_priv(vdev);
+ int ret = 0;
+
+ switch (desc->hdr.type) {
+ case FCPIO_ACK: /* fw copied copy wq desc to its queue */
+ fnic_fcpio_ack_handler(fnic, cq_index, desc);
+ break;
+
+ case FCPIO_ICMND_CMPL: /* fw completed a command */
+ fnic_fcpio_icmnd_cmpl_handler(fnic, desc);
+ break;
+
+ case FCPIO_ITMF_CMPL: /* fw completed itmf (abort cmd, lun reset)*/
+ fnic_fcpio_itmf_cmpl_handler(fnic, desc);
+ break;
+
+ case FCPIO_FLOGI_REG_CMPL: /* fw completed flogi_reg */
+ ret = fnic_fcpio_flogi_reg_cmpl_handler(fnic, desc);
+ break;
+
+ case FCPIO_RESET_CMPL: /* fw completed reset */
+ ret = fnic_fcpio_fw_reset_cmpl_handler(fnic, desc);
+ break;
+
+ default:
+ FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+ "firmware completion type %d\n",
+ desc->hdr.type);
+ break;
+ }
+
+ return ret;
+}
+
+/*
+ * fnic_wq_copy_cmpl_handler
+ * Routine to process wq copy
+ */
+int fnic_wq_copy_cmpl_handler(struct fnic *fnic, int copy_work_to_do)
+{
+ unsigned int wq_work_done = 0;
+ unsigned int i, cq_index;
+ unsigned int cur_work_done;
+
+ for (i = 0; i < fnic->wq_copy_count; i++) {
+ cq_index = i + fnic->raw_wq_count + fnic->rq_count;
+ cur_work_done = vnic_cq_copy_service(&fnic->cq[cq_index],
+ fnic_fcpio_cmpl_handler,
+ copy_work_to_do);
+ wq_work_done += cur_work_done;
+ }
+ return wq_work_done;
+}
+
+static void fnic_cleanup_io(struct fnic *fnic, int exclude_id)
+{
+ unsigned int i;
+ struct fnic_io_req *io_req;
+ unsigned long flags = 0;
+ struct scsi_cmnd *sc;
+ spinlock_t *io_lock;
+
+ for (i = 0; i < FNIC_MAX_IO_REQ; i++) {
+ if (i == exclude_id)
+ continue;
+
+ sc = scsi_host_find_tag(fnic->lport->host, i);
+ if (!sc)
+ continue;
+
+ io_lock = fnic_io_lock_hash(fnic, sc);
+ spin_lock_irqsave(io_lock, flags);
+ io_req = (struct fnic_io_req *)CMD_SP(sc);
+ if (!io_req) {
+ spin_unlock_irqrestore(io_lock, flags);
+ goto cleanup_scsi_cmd;
+ }
+
+ CMD_SP(sc) = NULL;
+
+ spin_unlock_irqrestore(io_lock, flags);
+
+ /*
+ * If there is a scsi_cmnd associated with this io_req, then
+ * free the corresponding state
+ */
+ fnic_release_ioreq_buf(fnic, io_req, sc);
+ mempool_free(io_req, fnic->io_req_pool);
+
+cleanup_scsi_cmd:
+ sc->result = DID_TRANSPORT_DISRUPTED << 16;
+ FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, "fnic_cleanup_io:"
+ " DID_TRANSPORT_DISRUPTED\n");
+
+ /* Complete the command to SCSI */
+ if (sc->scsi_done)
+ sc->scsi_done(sc);
+ }
+}
+
+void fnic_wq_copy_cleanup_handler(struct vnic_wq_copy *wq,
+ struct fcpio_host_req *desc)
+{
+ u32 id;
+ struct fnic *fnic = vnic_dev_priv(wq->vdev);
+ struct fnic_io_req *io_req;
+ struct scsi_cmnd *sc;
+ unsigned long flags;
+ spinlock_t *io_lock;
+
+ /* get the tag reference */
+ fcpio_tag_id_dec(&desc->hdr.tag, &id);
+ id &= FNIC_TAG_MASK;
+
+ if (id >= FNIC_MAX_IO_REQ)
+ return;
+
+ sc = scsi_host_find_tag(fnic->lport->host, id);
+ if (!sc)
+ return;
+
+ io_lock = fnic_io_lock_hash(fnic, sc);
+ spin_lock_irqsave(io_lock, flags);
+
+ /* Get the IO context which this desc refers to */
+ io_req = (struct fnic_io_req *)CMD_SP(sc);
+
+ /* fnic interrupts are turned off by now */
+
+ if (!io_req) {
+ spin_unlock_irqrestore(io_lock, flags);
+ goto wq_copy_cleanup_scsi_cmd;
+ }
+
+ CMD_SP(sc) = NULL;
+
+ spin_unlock_irqrestore(io_lock, flags);
+
+ fnic_release_ioreq_buf(fnic, io_req, sc);
+ mempool_free(io_req, fnic->io_req_pool);
+
+wq_copy_cleanup_scsi_cmd:
+ sc->result = DID_NO_CONNECT << 16;
+ FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, "wq_copy_cleanup_handler:"
+ " DID_NO_CONNECT\n");
+
+ if (sc->scsi_done)
+ sc->scsi_done(sc);
+}
+
+static inline int fnic_queue_abort_io_req(struct fnic *fnic, int tag,
+ u32 task_req, u8 *fc_lun,
+ struct fnic_io_req *io_req)
+{
+ struct vnic_wq_copy *wq = &fnic->wq_copy[0];
+ unsigned long flags;
+
+ spin_lock_irqsave(&fnic->wq_copy_lock[0], flags);
+
+ if (vnic_wq_copy_desc_avail(wq) <= fnic->wq_copy_desc_low[0])
+ free_wq_copy_descs(fnic, wq);
+
+ if (!vnic_wq_copy_desc_avail(wq)) {
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[0], flags);
+ return 1;
+ }
+ fnic_queue_wq_copy_desc_itmf(wq, tag | FNIC_TAG_ABORT,
+ 0, task_req, tag, fc_lun, io_req->port_id,
+ fnic->config.ra_tov, fnic->config.ed_tov);
+
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[0], flags);
+ return 0;
+}
+
+void fnic_rport_exch_reset(struct fnic *fnic, u32 port_id)
+{
+ int tag;
+ struct fnic_io_req *io_req;
+ spinlock_t *io_lock;
+ unsigned long flags;
+ struct scsi_cmnd *sc;
+ struct scsi_lun fc_lun;
+ enum fnic_ioreq_state old_ioreq_state;
+
+ FNIC_SCSI_DBG(KERN_DEBUG,
+ fnic->lport->host,
+ "fnic_rport_reset_exch called portid 0x%06x\n",
+ port_id);
+
+ if (fnic->in_remove)
+ return;
+
+ for (tag = 0; tag < FNIC_MAX_IO_REQ; tag++) {
+ sc = scsi_host_find_tag(fnic->lport->host, tag);
+ if (!sc)
+ continue;
+
+ io_lock = fnic_io_lock_hash(fnic, sc);
+ spin_lock_irqsave(io_lock, flags);
+
+ io_req = (struct fnic_io_req *)CMD_SP(sc);
+
+ if (!io_req || io_req->port_id != port_id) {
+ spin_unlock_irqrestore(io_lock, flags);
+ continue;
+ }
+
+ /*
+ * Found IO that is still pending with firmware and
+ * belongs to rport that went away
+ */
+ if (CMD_STATE(sc) == FNIC_IOREQ_ABTS_PENDING) {
+ spin_unlock_irqrestore(io_lock, flags);
+ continue;
+ }
+ old_ioreq_state = CMD_STATE(sc);
+ CMD_STATE(sc) = FNIC_IOREQ_ABTS_PENDING;
+ CMD_ABTS_STATUS(sc) = FCPIO_INVALID_CODE;
+
+ BUG_ON(io_req->abts_done);
+
+ FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+ "fnic_rport_reset_exch: Issuing abts\n");
+
+ spin_unlock_irqrestore(io_lock, flags);
+
+ /* Now queue the abort command to firmware */
+ int_to_scsilun(sc->device->lun, &fc_lun);
+
+ if (fnic_queue_abort_io_req(fnic, tag,
+ FCPIO_ITMF_ABT_TASK_TERM,
+ fc_lun.scsi_lun, io_req)) {
+ /*
+ * Revert the cmd state back to old state, if
+ * it hasnt changed in between. This cmd will get
+ * aborted later by scsi_eh, or cleaned up during
+ * lun reset
+ */
+ io_lock = fnic_io_lock_hash(fnic, sc);
+
+ spin_lock_irqsave(io_lock, flags);
+ if (CMD_STATE(sc) == FNIC_IOREQ_ABTS_PENDING)
+ CMD_STATE(sc) = old_ioreq_state;
+ spin_unlock_irqrestore(io_lock, flags);
+ }
+ }
+
+}
+
+void fnic_terminate_rport_io(struct fc_rport *rport)
+{
+ int tag;
+ struct fnic_io_req *io_req;
+ spinlock_t *io_lock;
+ unsigned long flags;
+ struct scsi_cmnd *sc;
+ struct scsi_lun fc_lun;
+ struct fc_rport_libfc_priv *rdata = rport->dd_data;
+ struct fc_lport *lport = rdata->local_port;
+ struct fnic *fnic = lport_priv(lport);
+ struct fc_rport *cmd_rport;
+ enum fnic_ioreq_state old_ioreq_state;
+
+ FNIC_SCSI_DBG(KERN_DEBUG,
+ fnic->lport->host, "fnic_terminate_rport_io called"
+ " wwpn 0x%llx, wwnn0x%llx, portid 0x%06x\n",
+ rport->port_name, rport->node_name,
+ rport->port_id);
+
+ if (fnic->in_remove)
+ return;
+
+ for (tag = 0; tag < FNIC_MAX_IO_REQ; tag++) {
+ sc = scsi_host_find_tag(fnic->lport->host, tag);
+ if (!sc)
+ continue;
+
+ cmd_rport = starget_to_rport(scsi_target(sc->device));
+ if (rport != cmd_rport)
+ continue;
+
+ io_lock = fnic_io_lock_hash(fnic, sc);
+ spin_lock_irqsave(io_lock, flags);
+
+ io_req = (struct fnic_io_req *)CMD_SP(sc);
+
+ if (!io_req || rport != cmd_rport) {
+ spin_unlock_irqrestore(io_lock, flags);
+ continue;
+ }
+
+ /*
+ * Found IO that is still pending with firmware and
+ * belongs to rport that went away
+ */
+ if (CMD_STATE(sc) == FNIC_IOREQ_ABTS_PENDING) {
+ spin_unlock_irqrestore(io_lock, flags);
+ continue;
+ }
+ old_ioreq_state = CMD_STATE(sc);
+ CMD_STATE(sc) = FNIC_IOREQ_ABTS_PENDING;
+ CMD_ABTS_STATUS(sc) = FCPIO_INVALID_CODE;
+
+ BUG_ON(io_req->abts_done);
+
+ FNIC_SCSI_DBG(KERN_DEBUG,
+ fnic->lport->host,
+ "fnic_terminate_rport_io: Issuing abts\n");
+
+ spin_unlock_irqrestore(io_lock, flags);
+
+ /* Now queue the abort command to firmware */
+ int_to_scsilun(sc->device->lun, &fc_lun);
+
+ if (fnic_queue_abort_io_req(fnic, tag,
+ FCPIO_ITMF_ABT_TASK_TERM,
+ fc_lun.scsi_lun, io_req)) {
+ /*
+ * Revert the cmd state back to old state, if
+ * it hasnt changed in between. This cmd will get
+ * aborted later by scsi_eh, or cleaned up during
+ * lun reset
+ */
+ io_lock = fnic_io_lock_hash(fnic, sc);
+
+ spin_lock_irqsave(io_lock, flags);
+ if (CMD_STATE(sc) == FNIC_IOREQ_ABTS_PENDING)
+ CMD_STATE(sc) = old_ioreq_state;
+ spin_unlock_irqrestore(io_lock, flags);
+ }
+ }
+
+}
+
+static void fnic_block_error_handler(struct scsi_cmnd *sc)
+{
+ struct Scsi_Host *shost = sc->device->host;
+ struct fc_rport *rport = starget_to_rport(scsi_target(sc->device));
+ unsigned long flags;
+
+ spin_lock_irqsave(shost->host_lock, flags);
+ while (rport->port_state == FC_PORTSTATE_BLOCKED) {
+ spin_unlock_irqrestore(shost->host_lock, flags);
+ msleep(1000);
+ spin_lock_irqsave(shost->host_lock, flags);
+ }
+ spin_unlock_irqrestore(shost->host_lock, flags);
+
+}
+
+/*
+ * This function is exported to SCSI for sending abort cmnds.
+ * A SCSI IO is represented by a io_req in the driver.
+ * The ioreq is linked to the SCSI Cmd, thus a link with the ULP's IO.
+ */
+int fnic_abort_cmd(struct scsi_cmnd *sc)
+{
+ struct fc_lport *lp;
+ struct fnic *fnic;
+ struct fnic_io_req *io_req;
+ struct fc_rport *rport;
+ spinlock_t *io_lock;
+ unsigned long flags;
+ int ret = SUCCESS;
+ u32 task_req;
+ struct scsi_lun fc_lun;
+ DECLARE_COMPLETION_ONSTACK(tm_done);
+
+ /* Wait for rport to unblock */
+ fnic_block_error_handler(sc);
+
+ /* Get local-port, check ready and link up */
+ lp = shost_priv(sc->device->host);
+
+ fnic = lport_priv(lp);
+ FNIC_SCSI_DBG(KERN_DEBUG,
+ fnic->lport->host,
+ "Abort Cmd called FCID 0x%x, LUN 0x%x TAG %d\n",
+ (starget_to_rport(scsi_target(sc->device)))->port_id,
+ sc->device->lun, sc->request->tag);
+
+ if (lp->state != LPORT_ST_READY || !(lp->link_up)) {
+ ret = FAILED;
+ goto fnic_abort_cmd_end;
+ }
+
+ /*
+ * Avoid a race between SCSI issuing the abort and the device
+ * completing the command.
+ *
+ * If the command is already completed by the fw cmpl code,
+ * we just return SUCCESS from here. This means that the abort
+ * succeeded. In the SCSI ML, since the timeout for command has
+ * happened, the completion wont actually complete the command
+ * and it will be considered as an aborted command
+ *
+ * The CMD_SP will not be cleared except while holding io_req_lock.
+ */
+ io_lock = fnic_io_lock_hash(fnic, sc);
+ spin_lock_irqsave(io_lock, flags);
+ io_req = (struct fnic_io_req *)CMD_SP(sc);
+ if (!io_req) {
+ spin_unlock_irqrestore(io_lock, flags);
+ goto fnic_abort_cmd_end;
+ }
+
+ io_req->abts_done = &tm_done;
+
+ if (CMD_STATE(sc) == FNIC_IOREQ_ABTS_PENDING) {
+ spin_unlock_irqrestore(io_lock, flags);
+ goto wait_pending;
+ }
+ /*
+ * Command is still pending, need to abort it
+ * If the firmware completes the command after this point,
+ * the completion wont be done till mid-layer, since abort
+ * has already started.
+ */
+ CMD_STATE(sc) = FNIC_IOREQ_ABTS_PENDING;
+ CMD_ABTS_STATUS(sc) = FCPIO_INVALID_CODE;
+
+ spin_unlock_irqrestore(io_lock, flags);
+
+ /*
+ * Check readiness of the remote port. If the path to remote
+ * port is up, then send abts to the remote port to terminate
+ * the IO. Else, just locally terminate the IO in the firmware
+ */
+ rport = starget_to_rport(scsi_target(sc->device));
+ if (fc_remote_port_chkready(rport) == 0)
+ task_req = FCPIO_ITMF_ABT_TASK;
+ else
+ task_req = FCPIO_ITMF_ABT_TASK_TERM;
+
+ /* Now queue the abort command to firmware */
+ int_to_scsilun(sc->device->lun, &fc_lun);
+
+ if (fnic_queue_abort_io_req(fnic, sc->request->tag, task_req,
+ fc_lun.scsi_lun, io_req)) {
+ spin_lock_irqsave(io_lock, flags);
+ io_req = (struct fnic_io_req *)CMD_SP(sc);
+ if (io_req)
+ io_req->abts_done = NULL;
+ spin_unlock_irqrestore(io_lock, flags);
+ ret = FAILED;
+ goto fnic_abort_cmd_end;
+ }
+
+ /*
+ * We queued an abort IO, wait for its completion.
+ * Once the firmware completes the abort command, it will
+ * wake up this thread.
+ */
+ wait_pending:
+ wait_for_completion_timeout(&tm_done,
+ msecs_to_jiffies
+ (2 * fnic->config.ra_tov +
+ fnic->config.ed_tov));
+
+ /* Check the abort status */
+ spin_lock_irqsave(io_lock, flags);
+
+ io_req = (struct fnic_io_req *)CMD_SP(sc);
+ if (!io_req) {
+ spin_unlock_irqrestore(io_lock, flags);
+ ret = FAILED;
+ goto fnic_abort_cmd_end;
+ }
+ io_req->abts_done = NULL;
+
+ /* fw did not complete abort, timed out */
+ if (CMD_STATE(sc) == FNIC_IOREQ_ABTS_PENDING) {
+ spin_unlock_irqrestore(io_lock, flags);
+ ret = FAILED;
+ goto fnic_abort_cmd_end;
+ }
+
+ /*
+ * firmware completed the abort, check the status,
+ * free the io_req irrespective of failure or success
+ */
+ if (CMD_ABTS_STATUS(sc) != FCPIO_SUCCESS)
+ ret = FAILED;
+
+ CMD_SP(sc) = NULL;
+
+ spin_unlock_irqrestore(io_lock, flags);
+
+ fnic_release_ioreq_buf(fnic, io_req, sc);
+ mempool_free(io_req, fnic->io_req_pool);
+
+fnic_abort_cmd_end:
+ FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+ "Returning from abort cmd %s\n",
+ (ret == SUCCESS) ?
+ "SUCCESS" : "FAILED");
+ return ret;
+}
+
+static inline int fnic_queue_dr_io_req(struct fnic *fnic,
+ struct scsi_cmnd *sc,
+ struct fnic_io_req *io_req)
+{
+ struct vnic_wq_copy *wq = &fnic->wq_copy[0];
+ struct scsi_lun fc_lun;
+ int ret = 0;
+ unsigned long intr_flags;
+
+ spin_lock_irqsave(&fnic->wq_copy_lock[0], intr_flags);
+
+ if (vnic_wq_copy_desc_avail(wq) <= fnic->wq_copy_desc_low[0])
+ free_wq_copy_descs(fnic, wq);
+
+ if (!vnic_wq_copy_desc_avail(wq)) {
+ ret = -EAGAIN;
+ goto lr_io_req_end;
+ }
+
+ /* fill in the lun info */
+ int_to_scsilun(sc->device->lun, &fc_lun);
+
+ fnic_queue_wq_copy_desc_itmf(wq, sc->request->tag | FNIC_TAG_DEV_RST,
+ 0, FCPIO_ITMF_LUN_RESET, SCSI_NO_TAG,
+ fc_lun.scsi_lun, io_req->port_id,
+ fnic->config.ra_tov, fnic->config.ed_tov);
+
+lr_io_req_end:
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[0], intr_flags);
+
+ return ret;
+}
+
+/*
+ * Clean up any pending aborts on the lun
+ * For each outstanding IO on this lun, whose abort is not completed by fw,
+ * issue a local abort. Wait for abort to complete. Return 0 if all commands
+ * successfully aborted, 1 otherwise
+ */
+static int fnic_clean_pending_aborts(struct fnic *fnic,
+ struct scsi_cmnd *lr_sc)
+{
+ int tag;
+ struct fnic_io_req *io_req;
+ spinlock_t *io_lock;
+ unsigned long flags;
+ int ret = 0;
+ struct scsi_cmnd *sc;
+ struct fc_rport *rport;
+ struct scsi_lun fc_lun;
+ struct scsi_device *lun_dev = lr_sc->device;
+ DECLARE_COMPLETION_ONSTACK(tm_done);
+
+ for (tag = 0; tag < FNIC_MAX_IO_REQ; tag++) {
+ sc = scsi_host_find_tag(fnic->lport->host, tag);
+ /*
+ * ignore this lun reset cmd or cmds that do not belong to
+ * this lun
+ */
+ if (!sc || sc == lr_sc || sc->device != lun_dev)
+ continue;
+
+ io_lock = fnic_io_lock_hash(fnic, sc);
+ spin_lock_irqsave(io_lock, flags);
+
+ io_req = (struct fnic_io_req *)CMD_SP(sc);
+
+ if (!io_req || sc->device != lun_dev) {
+ spin_unlock_irqrestore(io_lock, flags);
+ continue;
+ }
+
+ /*
+ * Found IO that is still pending with firmware and
+ * belongs to the LUN that we are resetting
+ */
+ FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+ "Found IO in %s on lun\n",
+ fnic_ioreq_state_to_str(CMD_STATE(sc)));
+
+ BUG_ON(CMD_STATE(sc) != FNIC_IOREQ_ABTS_PENDING);
+
+ CMD_ABTS_STATUS(sc) = FCPIO_INVALID_CODE;
+ io_req->abts_done = &tm_done;
+ spin_unlock_irqrestore(io_lock, flags);
+
+ /* Now queue the abort command to firmware */
+ int_to_scsilun(sc->device->lun, &fc_lun);
+ rport = starget_to_rport(scsi_target(sc->device));
+
+ if (fnic_queue_abort_io_req(fnic, tag,
+ FCPIO_ITMF_ABT_TASK_TERM,
+ fc_lun.scsi_lun, io_req)) {
+ spin_lock_irqsave(io_lock, flags);
+ io_req = (struct fnic_io_req *)CMD_SP(sc);
+ if (io_req)
+ io_req->abts_done = NULL;
+ spin_unlock_irqrestore(io_lock, flags);
+ ret = 1;
+ goto clean_pending_aborts_end;
+ }
+
+ wait_for_completion_timeout(&tm_done,
+ msecs_to_jiffies
+ (fnic->config.ed_tov));
+
+ /* Recheck cmd state to check if it is now aborted */
+ spin_lock_irqsave(io_lock, flags);
+ io_req = (struct fnic_io_req *)CMD_SP(sc);
+ if (!io_req) {
+ spin_unlock_irqrestore(io_lock, flags);
+ ret = 1;
+ goto clean_pending_aborts_end;
+ }
+
+ io_req->abts_done = NULL;
+
+ /* if abort is still pending with fw, fail */
+ if (CMD_STATE(sc) == FNIC_IOREQ_ABTS_PENDING) {
+ spin_unlock_irqrestore(io_lock, flags);
+ ret = 1;
+ goto clean_pending_aborts_end;
+ }
+ CMD_SP(sc) = NULL;
+ spin_unlock_irqrestore(io_lock, flags);
+
+ fnic_release_ioreq_buf(fnic, io_req, sc);
+ mempool_free(io_req, fnic->io_req_pool);
+ }
+
+clean_pending_aborts_end:
+ return ret;
+}
+
+/*
+ * SCSI Eh thread issues a Lun Reset when one or more commands on a LUN
+ * fail to get aborted. It calls driver's eh_device_reset with a SCSI command
+ * on the LUN.
+ */
+int fnic_device_reset(struct scsi_cmnd *sc)
+{
+ struct fc_lport *lp;
+ struct fnic *fnic;
+ struct fnic_io_req *io_req;
+ struct fc_rport *rport;
+ int status;
+ int ret = FAILED;
+ spinlock_t *io_lock;
+ unsigned long flags;
+ DECLARE_COMPLETION_ONSTACK(tm_done);
+
+ /* Wait for rport to unblock */
+ fnic_block_error_handler(sc);
+
+ /* Get local-port, check ready and link up */
+ lp = shost_priv(sc->device->host);
+
+ fnic = lport_priv(lp);
+ FNIC_SCSI_DBG(KERN_DEBUG,
+ fnic->lport->host,
+ "Device reset called FCID 0x%x, LUN 0x%x\n",
+ (starget_to_rport(scsi_target(sc->device)))->port_id,
+ sc->device->lun);
+
+
+ if (lp->state != LPORT_ST_READY || !(lp->link_up))
+ goto fnic_device_reset_end;
+
+ /* Check if remote port up */
+ rport = starget_to_rport(scsi_target(sc->device));
+ if (fc_remote_port_chkready(rport))
+ goto fnic_device_reset_end;
+
+ io_lock = fnic_io_lock_hash(fnic, sc);
+ spin_lock_irqsave(io_lock, flags);
+ io_req = (struct fnic_io_req *)CMD_SP(sc);
+
+ /*
+ * If there is a io_req attached to this command, then use it,
+ * else allocate a new one.
+ */
+ if (!io_req) {
+ io_req = mempool_alloc(fnic->io_req_pool, GFP_ATOMIC);
+ if (!io_req) {
+ spin_unlock_irqrestore(io_lock, flags);
+ goto fnic_device_reset_end;
+ }
+ memset(io_req, 0, sizeof(*io_req));
+ io_req->port_id = rport->port_id;
+ CMD_SP(sc) = (char *)io_req;
+ }
+ io_req->dr_done = &tm_done;
+ CMD_STATE(sc) = FNIC_IOREQ_CMD_PENDING;
+ CMD_LR_STATUS(sc) = FCPIO_INVALID_CODE;
+ spin_unlock_irqrestore(io_lock, flags);
+
+ FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, "TAG %d\n",
+ sc->request->tag);
+
+ /*
+ * issue the device reset, if enqueue failed, clean up the ioreq
+ * and break assoc with scsi cmd
+ */
+ if (fnic_queue_dr_io_req(fnic, sc, io_req)) {
+ spin_lock_irqsave(io_lock, flags);
+ io_req = (struct fnic_io_req *)CMD_SP(sc);
+ if (io_req)
+ io_req->dr_done = NULL;
+ goto fnic_device_reset_clean;
+ }
+
+ /*
+ * Wait on the local completion for LUN reset. The io_req may be
+ * freed while we wait since we hold no lock.
+ */
+ wait_for_completion_timeout(&tm_done,
+ msecs_to_jiffies(FNIC_LUN_RESET_TIMEOUT));
+
+ spin_lock_irqsave(io_lock, flags);
+ io_req = (struct fnic_io_req *)CMD_SP(sc);
+ if (!io_req) {
+ spin_unlock_irqrestore(io_lock, flags);
+ goto fnic_device_reset_end;
+ }
+ io_req->dr_done = NULL;
+
+ status = CMD_LR_STATUS(sc);
+ spin_unlock_irqrestore(io_lock, flags);
+
+ /*
+ * If lun reset not completed, bail out with failed. io_req
+ * gets cleaned up during higher levels of EH
+ */
+ if (status == FCPIO_INVALID_CODE) {
+ FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+ "Device reset timed out\n");
+ goto fnic_device_reset_end;
+ }
+
+ /* Completed, but not successful, clean up the io_req, return fail */
+ if (status != FCPIO_SUCCESS) {
+ spin_lock_irqsave(io_lock, flags);
+ FNIC_SCSI_DBG(KERN_DEBUG,
+ fnic->lport->host,
+ "Device reset completed - failed\n");
+ io_req = (struct fnic_io_req *)CMD_SP(sc);
+ goto fnic_device_reset_clean;
+ }
+
+ /*
+ * Clean up any aborts on this lun that have still not
+ * completed. If any of these fail, then LUN reset fails.
+ * clean_pending_aborts cleans all cmds on this lun except
+ * the lun reset cmd. If all cmds get cleaned, the lun reset
+ * succeeds
+ */
+ if (fnic_clean_pending_aborts(fnic, sc)) {
+ spin_lock_irqsave(io_lock, flags);
+ io_req = (struct fnic_io_req *)CMD_SP(sc);
+ FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+ "Device reset failed"
+ " since could not abort all IOs\n");
+ goto fnic_device_reset_clean;
+ }
+
+ /* Clean lun reset command */
+ spin_lock_irqsave(io_lock, flags);
+ io_req = (struct fnic_io_req *)CMD_SP(sc);
+ if (io_req)
+ /* Completed, and successful */
+ ret = SUCCESS;
+
+fnic_device_reset_clean:
+ if (io_req)
+ CMD_SP(sc) = NULL;
+
+ spin_unlock_irqrestore(io_lock, flags);
+
+ if (io_req) {
+ fnic_release_ioreq_buf(fnic, io_req, sc);
+ mempool_free(io_req, fnic->io_req_pool);
+ }
+
+fnic_device_reset_end:
+ FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+ "Returning from device reset %s\n",
+ (ret == SUCCESS) ?
+ "SUCCESS" : "FAILED");
+ return ret;
+}
+
+/* Clean up all IOs, clean up libFC local port */
+int fnic_reset(struct Scsi_Host *shost)
+{
+ struct fc_lport *lp;
+ struct fnic *fnic;
+ int ret = SUCCESS;
+
+ lp = shost_priv(shost);
+ fnic = lport_priv(lp);
+
+ FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+ "fnic_reset called\n");
+
+ /*
+ * Reset local port, this will clean up libFC exchanges,
+ * reset remote port sessions, and if link is up, begin flogi
+ */
+ if (lp->tt.lport_reset(lp))
+ ret = FAILED;
+
+ FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+ "Returning from fnic reset %s\n",
+ (ret == SUCCESS) ?
+ "SUCCESS" : "FAILED");
+
+ return ret;
+}
+
+/*
+ * SCSI Error handling calls driver's eh_host_reset if all prior
+ * error handling levels return FAILED. If host reset completes
+ * successfully, and if link is up, then Fabric login begins.
+ *
+ * Host Reset is the highest level of error recovery. If this fails, then
+ * host is offlined by SCSI.
+ *
+ */
+int fnic_host_reset(struct scsi_cmnd *sc)
+{
+ int ret;
+ unsigned long wait_host_tmo;
+ struct Scsi_Host *shost = sc->device->host;
+ struct fc_lport *lp = shost_priv(shost);
+
+ /*
+ * If fnic_reset is successful, wait for fabric login to complete
+ * scsi-ml tries to send a TUR to every device if host reset is
+ * successful, so before returning to scsi, fabric should be up
+ */
+ ret = fnic_reset(shost);
+ if (ret == SUCCESS) {
+ wait_host_tmo = jiffies + FNIC_HOST_RESET_SETTLE_TIME * HZ;
+ ret = FAILED;
+ while (time_before(jiffies, wait_host_tmo)) {
+ if ((lp->state == LPORT_ST_READY) &&
+ (lp->link_up)) {
+ ret = SUCCESS;
+ break;
+ }
+ ssleep(1);
+ }
+ }
+
+ return ret;
+}
+
+/*
+ * This fxn is called from libFC when host is removed
+ */
+void fnic_scsi_abort_io(struct fc_lport *lp)
+{
+ int err = 0;
+ unsigned long flags;
+ enum fnic_state old_state;
+ struct fnic *fnic = lport_priv(lp);
+ DECLARE_COMPLETION_ONSTACK(remove_wait);
+
+ /* Issue firmware reset for fnic, wait for reset to complete */
+ spin_lock_irqsave(&fnic->fnic_lock, flags);
+ fnic->remove_wait = &remove_wait;
+ old_state = fnic->state;
+ fnic->state = FNIC_IN_FC_TRANS_ETH_MODE;
+ vnic_dev_del_addr(fnic->vdev, fnic->data_src_addr);
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+
+ err = fnic_fw_reset_handler(fnic);
+ if (err) {
+ spin_lock_irqsave(&fnic->fnic_lock, flags);
+ if (fnic->state == FNIC_IN_FC_TRANS_ETH_MODE)
+ fnic->state = old_state;
+ fnic->remove_wait = NULL;
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+ return;
+ }
+
+ /* Wait for firmware reset to complete */
+ wait_for_completion_timeout(&remove_wait,
+ msecs_to_jiffies(FNIC_RMDEVICE_TIMEOUT));
+
+ spin_lock_irqsave(&fnic->fnic_lock, flags);
+ fnic->remove_wait = NULL;
+ FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+ "fnic_scsi_abort_io %s\n",
+ (fnic->state == FNIC_IN_ETH_MODE) ?
+ "SUCCESS" : "FAILED");
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+
+}
+
+/*
+ * This fxn called from libFC to clean up driver IO state on link down
+ */
+void fnic_scsi_cleanup(struct fc_lport *lp)
+{
+ unsigned long flags;
+ enum fnic_state old_state;
+ struct fnic *fnic = lport_priv(lp);
+
+ /* issue fw reset */
+ spin_lock_irqsave(&fnic->fnic_lock, flags);
+ old_state = fnic->state;
+ fnic->state = FNIC_IN_FC_TRANS_ETH_MODE;
+ vnic_dev_del_addr(fnic->vdev, fnic->data_src_addr);
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+
+ if (fnic_fw_reset_handler(fnic)) {
+ spin_lock_irqsave(&fnic->fnic_lock, flags);
+ if (fnic->state == FNIC_IN_FC_TRANS_ETH_MODE)
+ fnic->state = old_state;
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+ }
+
+}
+
+void fnic_empty_scsi_cleanup(struct fc_lport *lp)
+{
+}
+
+void fnic_exch_mgr_reset(struct fc_lport *lp, u32 sid, u32 did)
+{
+ struct fnic *fnic = lport_priv(lp);
+
+ /* Non-zero sid, nothing to do */
+ if (sid)
+ goto call_fc_exch_mgr_reset;
+
+ if (did) {
+ fnic_rport_exch_reset(fnic, did);
+ goto call_fc_exch_mgr_reset;
+ }
+
+ /*
+ * sid = 0, did = 0
+ * link down or device being removed
+ */
+ if (!fnic->in_remove)
+ fnic_scsi_cleanup(lp);
+ else
+ fnic_scsi_abort_io(lp);
+
+ /* call libFC exch mgr reset to reset its exchanges */
+call_fc_exch_mgr_reset:
+ fc_exch_mgr_reset(lp, sid, did);
+
+}
diff --git a/drivers/scsi/fnic/rq_enet_desc.h b/drivers/scsi/fnic/rq_enet_desc.h
new file mode 100644
index 000000000000..92e80ae6b725
--- /dev/null
+++ b/drivers/scsi/fnic/rq_enet_desc.h
@@ -0,0 +1,58 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc. All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc. All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef _RQ_ENET_DESC_H_
+#define _RQ_ENET_DESC_H_
+
+/* Ethernet receive queue descriptor: 16B */
+struct rq_enet_desc {
+ __le64 address;
+ __le16 length_type;
+ u8 reserved[6];
+};
+
+enum rq_enet_type_types {
+ RQ_ENET_TYPE_ONLY_SOP = 0,
+ RQ_ENET_TYPE_NOT_SOP = 1,
+ RQ_ENET_TYPE_RESV2 = 2,
+ RQ_ENET_TYPE_RESV3 = 3,
+};
+
+#define RQ_ENET_ADDR_BITS 64
+#define RQ_ENET_LEN_BITS 14
+#define RQ_ENET_LEN_MASK ((1 << RQ_ENET_LEN_BITS) - 1)
+#define RQ_ENET_TYPE_BITS 2
+#define RQ_ENET_TYPE_MASK ((1 << RQ_ENET_TYPE_BITS) - 1)
+
+static inline void rq_enet_desc_enc(struct rq_enet_desc *desc,
+ u64 address, u8 type, u16 length)
+{
+ desc->address = cpu_to_le64(address);
+ desc->length_type = cpu_to_le16((length & RQ_ENET_LEN_MASK) |
+ ((type & RQ_ENET_TYPE_MASK) << RQ_ENET_LEN_BITS));
+}
+
+static inline void rq_enet_desc_dec(struct rq_enet_desc *desc,
+ u64 *address, u8 *type, u16 *length)
+{
+ *address = le64_to_cpu(desc->address);
+ *length = le16_to_cpu(desc->length_type) & RQ_ENET_LEN_MASK;
+ *type = (u8)((le16_to_cpu(desc->length_type) >> RQ_ENET_LEN_BITS) &
+ RQ_ENET_TYPE_MASK);
+}
+
+#endif /* _RQ_ENET_DESC_H_ */
diff --git a/drivers/scsi/fnic/vnic_cq.c b/drivers/scsi/fnic/vnic_cq.c
new file mode 100644
index 000000000000..c5db32eda5ef
--- /dev/null
+++ b/drivers/scsi/fnic/vnic_cq.c
@@ -0,0 +1,85 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc. All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc. All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#include <linux/errno.h>
+#include <linux/types.h>
+#include <linux/pci.h>
+#include "vnic_dev.h"
+#include "vnic_cq.h"
+
+void vnic_cq_free(struct vnic_cq *cq)
+{
+ vnic_dev_free_desc_ring(cq->vdev, &cq->ring);
+
+ cq->ctrl = NULL;
+}
+
+int vnic_cq_alloc(struct vnic_dev *vdev, struct vnic_cq *cq, unsigned int index,
+ unsigned int desc_count, unsigned int desc_size)
+{
+ int err;
+
+ cq->index = index;
+ cq->vdev = vdev;
+
+ cq->ctrl = vnic_dev_get_res(vdev, RES_TYPE_CQ, index);
+ if (!cq->ctrl) {
+ printk(KERN_ERR "Failed to hook CQ[%d] resource\n", index);
+ return -EINVAL;
+ }
+
+ err = vnic_dev_alloc_desc_ring(vdev, &cq->ring, desc_count, desc_size);
+ if (err)
+ return err;
+
+ return 0;
+}
+
+void vnic_cq_init(struct vnic_cq *cq, unsigned int flow_control_enable,
+ unsigned int color_enable, unsigned int cq_head, unsigned int cq_tail,
+ unsigned int cq_tail_color, unsigned int interrupt_enable,
+ unsigned int cq_entry_enable, unsigned int cq_message_enable,
+ unsigned int interrupt_offset, u64 cq_message_addr)
+{
+ u64 paddr;
+
+ paddr = (u64)cq->ring.base_addr | VNIC_PADDR_TARGET;
+ writeq(paddr, &cq->ctrl->ring_base);
+ iowrite32(cq->ring.desc_count, &cq->ctrl->ring_size);
+ iowrite32(flow_control_enable, &cq->ctrl->flow_control_enable);
+ iowrite32(color_enable, &cq->ctrl->color_enable);
+ iowrite32(cq_head, &cq->ctrl->cq_head);
+ iowrite32(cq_tail, &cq->ctrl->cq_tail);
+ iowrite32(cq_tail_color, &cq->ctrl->cq_tail_color);
+ iowrite32(interrupt_enable, &cq->ctrl->interrupt_enable);
+ iowrite32(cq_entry_enable, &cq->ctrl->cq_entry_enable);
+ iowrite32(cq_message_enable, &cq->ctrl->cq_message_enable);
+ iowrite32(interrupt_offset, &cq->ctrl->interrupt_offset);
+ writeq(cq_message_addr, &cq->ctrl->cq_message_addr);
+}
+
+void vnic_cq_clean(struct vnic_cq *cq)
+{
+ cq->to_clean = 0;
+ cq->last_color = 0;
+
+ iowrite32(0, &cq->ctrl->cq_head);
+ iowrite32(0, &cq->ctrl->cq_tail);
+ iowrite32(1, &cq->ctrl->cq_tail_color);
+
+ vnic_dev_clear_desc_ring(&cq->ring);
+}
diff --git a/drivers/scsi/fnic/vnic_cq.h b/drivers/scsi/fnic/vnic_cq.h
new file mode 100644
index 000000000000..4ede6809fb1e
--- /dev/null
+++ b/drivers/scsi/fnic/vnic_cq.h
@@ -0,0 +1,121 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc. All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc. All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef _VNIC_CQ_H_
+#define _VNIC_CQ_H_
+
+#include "cq_desc.h"
+#include "vnic_dev.h"
+
+/*
+ * These defines avoid symbol clash between fnic and enic (Cisco 10G Eth
+ * Driver) when both are built with CONFIG options =y
+ */
+#define vnic_cq_service fnic_cq_service
+#define vnic_cq_free fnic_cq_free
+#define vnic_cq_alloc fnic_cq_alloc
+#define vnic_cq_init fnic_cq_init
+#define vnic_cq_clean fnic_cq_clean
+
+/* Completion queue control */
+struct vnic_cq_ctrl {
+ u64 ring_base; /* 0x00 */
+ u32 ring_size; /* 0x08 */
+ u32 pad0;
+ u32 flow_control_enable; /* 0x10 */
+ u32 pad1;
+ u32 color_enable; /* 0x18 */
+ u32 pad2;
+ u32 cq_head; /* 0x20 */
+ u32 pad3;
+ u32 cq_tail; /* 0x28 */
+ u32 pad4;
+ u32 cq_tail_color; /* 0x30 */
+ u32 pad5;
+ u32 interrupt_enable; /* 0x38 */
+ u32 pad6;
+ u32 cq_entry_enable; /* 0x40 */
+ u32 pad7;
+ u32 cq_message_enable; /* 0x48 */
+ u32 pad8;
+ u32 interrupt_offset; /* 0x50 */
+ u32 pad9;
+ u64 cq_message_addr; /* 0x58 */
+ u32 pad10;
+};
+
+struct vnic_cq {
+ unsigned int index;
+ struct vnic_dev *vdev;
+ struct vnic_cq_ctrl __iomem *ctrl; /* memory-mapped */
+ struct vnic_dev_ring ring;
+ unsigned int to_clean;
+ unsigned int last_color;
+};
+
+static inline unsigned int vnic_cq_service(struct vnic_cq *cq,
+ unsigned int work_to_do,
+ int (*q_service)(struct vnic_dev *vdev, struct cq_desc *cq_desc,
+ u8 type, u16 q_number, u16 completed_index, void *opaque),
+ void *opaque)
+{
+ struct cq_desc *cq_desc;
+ unsigned int work_done = 0;
+ u16 q_number, completed_index;
+ u8 type, color;
+
+ cq_desc = (struct cq_desc *)((u8 *)cq->ring.descs +
+ cq->ring.desc_size * cq->to_clean);
+ cq_desc_dec(cq_desc, &type, &color,
+ &q_number, &completed_index);
+
+ while (color != cq->last_color) {
+
+ if ((*q_service)(cq->vdev, cq_desc, type,
+ q_number, completed_index, opaque))
+ break;
+
+ cq->to_clean++;
+ if (cq->to_clean == cq->ring.desc_count) {
+ cq->to_clean = 0;
+ cq->last_color = cq->last_color ? 0 : 1;
+ }
+
+ cq_desc = (struct cq_desc *)((u8 *)cq->ring.descs +
+ cq->ring.desc_size * cq->to_clean);
+ cq_desc_dec(cq_desc, &type, &color,
+ &q_number, &completed_index);
+
+ work_done++;
+ if (work_done >= work_to_do)
+ break;
+ }
+
+ return work_done;
+}
+
+void vnic_cq_free(struct vnic_cq *cq);
+int vnic_cq_alloc(struct vnic_dev *vdev, struct vnic_cq *cq, unsigned int index,
+ unsigned int desc_count, unsigned int desc_size);
+void vnic_cq_init(struct vnic_cq *cq, unsigned int flow_control_enable,
+ unsigned int color_enable, unsigned int cq_head, unsigned int cq_tail,
+ unsigned int cq_tail_color, unsigned int interrupt_enable,
+ unsigned int cq_entry_enable, unsigned int message_enable,
+ unsigned int interrupt_offset, u64 message_addr);
+void vnic_cq_clean(struct vnic_cq *cq);
+
+#endif /* _VNIC_CQ_H_ */
diff --git a/drivers/scsi/fnic/vnic_cq_copy.h b/drivers/scsi/fnic/vnic_cq_copy.h
new file mode 100644
index 000000000000..7901ce255a81
--- /dev/null
+++ b/drivers/scsi/fnic/vnic_cq_copy.h
@@ -0,0 +1,62 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc. All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc. All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef _VNIC_CQ_COPY_H_
+#define _VNIC_CQ_COPY_H_
+
+#include "fcpio.h"
+
+static inline unsigned int vnic_cq_copy_service(
+ struct vnic_cq *cq,
+ int (*q_service)(struct vnic_dev *vdev,
+ unsigned int index,
+ struct fcpio_fw_req *desc),
+ unsigned int work_to_do)
+
+{
+ struct fcpio_fw_req *desc;
+ unsigned int work_done = 0;
+ u8 color;
+
+ desc = (struct fcpio_fw_req *)((u8 *)cq->ring.descs +
+ cq->ring.desc_size * cq->to_clean);
+ fcpio_color_dec(desc, &color);
+
+ while (color != cq->last_color) {
+
+ if ((*q_service)(cq->vdev, cq->index, desc))
+ break;
+
+ cq->to_clean++;
+ if (cq->to_clean == cq->ring.desc_count) {
+ cq->to_clean = 0;
+ cq->last_color = cq->last_color ? 0 : 1;
+ }
+
+ desc = (struct fcpio_fw_req *)((u8 *)cq->ring.descs +
+ cq->ring.desc_size * cq->to_clean);
+ fcpio_color_dec(desc, &color);
+
+ work_done++;
+ if (work_done >= work_to_do)
+ break;
+ }
+
+ return work_done;
+}
+
+#endif /* _VNIC_CQ_COPY_H_ */
diff --git a/drivers/scsi/fnic/vnic_dev.c b/drivers/scsi/fnic/vnic_dev.c
new file mode 100644
index 000000000000..566770645086
--- /dev/null
+++ b/drivers/scsi/fnic/vnic_dev.c
@@ -0,0 +1,690 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc. All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc. All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/types.h>
+#include <linux/pci.h>
+#include <linux/delay.h>
+#include <linux/if_ether.h>
+#include "vnic_resource.h"
+#include "vnic_devcmd.h"
+#include "vnic_dev.h"
+#include "vnic_stats.h"
+
+struct vnic_res {
+ void __iomem *vaddr;
+ unsigned int count;
+};
+
+struct vnic_dev {
+ void *priv;
+ struct pci_dev *pdev;
+ struct vnic_res res[RES_TYPE_MAX];
+ enum vnic_dev_intr_mode intr_mode;
+ struct vnic_devcmd __iomem *devcmd;
+ struct vnic_devcmd_notify *notify;
+ struct vnic_devcmd_notify notify_copy;
+ dma_addr_t notify_pa;
+ u32 *linkstatus;
+ dma_addr_t linkstatus_pa;
+ struct vnic_stats *stats;
+ dma_addr_t stats_pa;
+ struct vnic_devcmd_fw_info *fw_info;
+ dma_addr_t fw_info_pa;
+};
+
+#define VNIC_MAX_RES_HDR_SIZE \
+ (sizeof(struct vnic_resource_header) + \
+ sizeof(struct vnic_resource) * RES_TYPE_MAX)
+#define VNIC_RES_STRIDE 128
+
+void *vnic_dev_priv(struct vnic_dev *vdev)
+{
+ return vdev->priv;
+}
+
+static int vnic_dev_discover_res(struct vnic_dev *vdev,
+ struct vnic_dev_bar *bar)
+{
+ struct vnic_resource_header __iomem *rh;
+ struct vnic_resource __iomem *r;
+ u8 type;
+
+ if (bar->len < VNIC_MAX_RES_HDR_SIZE) {
+ printk(KERN_ERR "vNIC BAR0 res hdr length error\n");
+ return -EINVAL;
+ }
+
+ rh = bar->vaddr;
+ if (!rh) {
+ printk(KERN_ERR "vNIC BAR0 res hdr not mem-mapped\n");
+ return -EINVAL;
+ }
+
+ if (ioread32(&rh->magic) != VNIC_RES_MAGIC ||
+ ioread32(&rh->version) != VNIC_RES_VERSION) {
+ printk(KERN_ERR "vNIC BAR0 res magic/version error "
+ "exp (%lx/%lx) curr (%x/%x)\n",
+ VNIC_RES_MAGIC, VNIC_RES_VERSION,
+ ioread32(&rh->magic), ioread32(&rh->version));
+ return -EINVAL;
+ }
+
+ r = (struct vnic_resource __iomem *)(rh + 1);
+
+ while ((type = ioread8(&r->type)) != RES_TYPE_EOL) {
+
+ u8 bar_num = ioread8(&r->bar);
+ u32 bar_offset = ioread32(&r->bar_offset);
+ u32 count = ioread32(&r->count);
+ u32 len;
+
+ r++;
+
+ if (bar_num != 0) /* only mapping in BAR0 resources */
+ continue;
+
+ switch (type) {
+ case RES_TYPE_WQ:
+ case RES_TYPE_RQ:
+ case RES_TYPE_CQ:
+ case RES_TYPE_INTR_CTRL:
+ /* each count is stride bytes long */
+ len = count * VNIC_RES_STRIDE;
+ if (len + bar_offset > bar->len) {
+ printk(KERN_ERR "vNIC BAR0 resource %d "
+ "out-of-bounds, offset 0x%x + "
+ "size 0x%x > bar len 0x%lx\n",
+ type, bar_offset,
+ len,
+ bar->len);
+ return -EINVAL;
+ }
+ break;
+ case RES_TYPE_INTR_PBA_LEGACY:
+ case RES_TYPE_DEVCMD:
+ len = count;
+ break;
+ default:
+ continue;
+ }
+
+ vdev->res[type].count = count;
+ vdev->res[type].vaddr = (char __iomem *)bar->vaddr + bar_offset;
+ }
+
+ return 0;
+}
+
+unsigned int vnic_dev_get_res_count(struct vnic_dev *vdev,
+ enum vnic_res_type type)
+{
+ return vdev->res[type].count;
+}
+
+void __iomem *vnic_dev_get_res(struct vnic_dev *vdev, enum vnic_res_type type,
+ unsigned int index)
+{
+ if (!vdev->res[type].vaddr)
+ return NULL;
+
+ switch (type