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authorLinus Torvalds <torvalds@woody.osdl.org>2006-12-05 16:09:46 -0800
committerLinus Torvalds <torvalds@woody.osdl.org>2006-12-05 16:09:46 -0800
commitec0bf39a471bf6fcd01def2bd677128cea940b73 (patch)
tree0d98b304d97605613a14329b40ed8cbb88296528
parentbf83c2a315637dee8a8b5c2221ce5030cc38c6db (diff)
parentd32adcb85c74fd81963714689842993e7014515f (diff)
downloadlinux-ec0bf39a471bf6fcd01def2bd677128cea940b73.tar.gz
Merge master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (73 commits) [SCSI] aic79xx: Add ASC-29320LPE ids to driver [SCSI] stex: version update [SCSI] stex: change wait loop code [SCSI] stex: add new device type support [SCSI] stex: update device id info [SCSI] stex: adjust default queue length [SCSI] stex: add value check in hard reset routine [SCSI] stex: fix controller_info command handling [SCSI] stex: fix biosparam calculation [SCSI] megaraid: fix MMIO casts [SCSI] tgt: fix undefined flush_dcache_page() problem [SCSI] libsas: better error handling in sas_expander.c [SCSI] lpfc 8.1.11 : Change version number to 8.1.11 [SCSI] lpfc 8.1.11 : Misc Fixes [SCSI] lpfc 8.1.11 : Add soft_wwnn sysfs attribute, rename soft_wwn_enable [SCSI] lpfc 8.1.11 : Removed decoding of PCI Subsystem Id [SCSI] lpfc 8.1.11 : Add MSI (Message Signalled Interrupts) support [SCSI] lpfc 8.1.11 : Adjust LOG_FCP logging [SCSI] lpfc 8.1.11 : Fix Memory leaks [SCSI] lpfc 8.1.11 : Fix lpfc_multi_ring_support ...
-rw-r--r--Documentation/kernel-parameters.txt5
-rw-r--r--Documentation/scsi/scsi_mid_low_api.txt31
-rw-r--r--block/scsi_ioctl.c2
-rw-r--r--drivers/scsi/53c700.c7
-rw-r--r--drivers/scsi/BusLogic.c12
-rw-r--r--drivers/scsi/Kconfig59
-rw-r--r--drivers/scsi/Makefile7
-rw-r--r--drivers/scsi/NCR53c406a.c5
-rw-r--r--drivers/scsi/aacraid/aacraid.h4
-rw-r--r--drivers/scsi/aacraid/commsup.c23
-rw-r--r--drivers/scsi/aha1740.c10
-rw-r--r--drivers/scsi/aic7xxx/aic79xx_osm_pci.c1
-rw-r--r--drivers/scsi/aic7xxx/aic79xx_pci.c8
-rw-r--r--drivers/scsi/aic7xxx/aic79xx_pci.h1
-rw-r--r--drivers/scsi/aic94xx/aic94xx_init.c9
-rw-r--r--drivers/scsi/aic94xx/aic94xx_scb.c120
-rw-r--r--drivers/scsi/fd_mcs.c2
-rw-r--r--drivers/scsi/hosts.c8
-rw-r--r--drivers/scsi/ibmvscsi/Makefile2
-rw-r--r--drivers/scsi/ibmvscsi/ibmvstgt.c958
-rw-r--r--drivers/scsi/initio.c2
-rw-r--r--drivers/scsi/ipr.c313
-rw-r--r--drivers/scsi/ipr.h83
-rw-r--r--drivers/scsi/ips.c28
-rw-r--r--drivers/scsi/ips.h9
-rw-r--r--drivers/scsi/libsas/sas_expander.c36
-rw-r--r--drivers/scsi/libsas/sas_init.c4
-rw-r--r--drivers/scsi/libsas/sas_scsi_host.c90
-rw-r--r--drivers/scsi/libsrp.c441
-rw-r--r--drivers/scsi/lpfc/lpfc.h6
-rw-r--r--drivers/scsi/lpfc/lpfc_attr.c118
-rw-r--r--drivers/scsi/lpfc/lpfc_ct.c24
-rw-r--r--drivers/scsi/lpfc/lpfc_els.c34
-rw-r--r--drivers/scsi/lpfc/lpfc_hbadisc.c229
-rw-r--r--drivers/scsi/lpfc/lpfc_hw.h35
-rw-r--r--drivers/scsi/lpfc/lpfc_init.c136
-rw-r--r--drivers/scsi/lpfc/lpfc_logmsg.h2
-rw-r--r--drivers/scsi/lpfc/lpfc_nportdisc.c9
-rw-r--r--drivers/scsi/lpfc/lpfc_scsi.c56
-rw-r--r--drivers/scsi/lpfc/lpfc_sli.c42
-rw-r--r--drivers/scsi/lpfc/lpfc_sli.h2
-rw-r--r--drivers/scsi/lpfc/lpfc_version.h2
-rw-r--r--drivers/scsi/megaraid.c13
-rw-r--r--drivers/scsi/megaraid.h3
-rw-r--r--drivers/scsi/megaraid/megaraid_sas.c4
-rw-r--r--drivers/scsi/ncr53c8xx.c19
-rw-r--r--drivers/scsi/qla2xxx/qla_attr.c2
-rw-r--r--drivers/scsi/qla2xxx/qla_init.c94
-rw-r--r--drivers/scsi/qla2xxx/qla_os.c66
-rw-r--r--drivers/scsi/qla2xxx/qla_sup.c8
-rw-r--r--drivers/scsi/qla4xxx/ql4_dbg.c4
-rw-r--r--drivers/scsi/qla4xxx/ql4_def.h105
-rw-r--r--drivers/scsi/qla4xxx/ql4_fw.h7
-rw-r--r--drivers/scsi/qla4xxx/ql4_glbl.h3
-rw-r--r--drivers/scsi/qla4xxx/ql4_init.c47
-rw-r--r--drivers/scsi/qla4xxx/ql4_inline.h4
-rw-r--r--drivers/scsi/qla4xxx/ql4_iocb.c6
-rw-r--r--drivers/scsi/qla4xxx/ql4_isr.c1
-rw-r--r--drivers/scsi/qla4xxx/ql4_nvram.c70
-rw-r--r--drivers/scsi/qla4xxx/ql4_nvram.h4
-rw-r--r--drivers/scsi/qla4xxx/ql4_os.c117
-rw-r--r--drivers/scsi/qla4xxx/ql4_version.h7
-rw-r--r--drivers/scsi/scsi.c45
-rw-r--r--drivers/scsi/scsi_error.c33
-rw-r--r--drivers/scsi/scsi_lib.c346
-rw-r--r--drivers/scsi/scsi_priv.h3
-rw-r--r--drivers/scsi/scsi_scan.c225
-rw-r--r--drivers/scsi/scsi_tgt_if.c352
-rw-r--r--drivers/scsi/scsi_tgt_lib.c742
-rw-r--r--drivers/scsi/scsi_tgt_priv.h25
-rw-r--r--drivers/scsi/scsi_wait_scan.c31
-rw-r--r--drivers/scsi/sd.c29
-rw-r--r--drivers/scsi/st.c16
-rw-r--r--drivers/scsi/stex.c130
-rw-r--r--drivers/scsi/t128.h39
-rw-r--r--include/scsi/libsas.h14
-rw-r--r--include/scsi/libsrp.h77
-rw-r--r--include/scsi/scsi_cmnd.h10
-rw-r--r--include/scsi/scsi_device.h30
-rw-r--r--include/scsi/scsi_host.h69
-rw-r--r--include/scsi/scsi_tgt.h19
-rw-r--r--include/scsi/scsi_tgt_if.h90
-rw-r--r--include/scsi/scsi_transport_sas.h2
83 files changed, 4760 insertions, 1126 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 15e4fed127f..2e1898e4e8f 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -1416,6 +1416,11 @@ and is between 256 and 4096 characters. It is defined in the file
scsi_logging= [SCSI]
+ scsi_mod.scan= [SCSI] sync (default) scans SCSI busses as they are
+ discovered. async scans them in kernel threads,
+ allowing boot to proceed. none ignores them, expecting
+ user space to do the scan.
+
selinux [SELINUX] Disable or enable SELinux at boot time.
Format: { "0" | "1" }
See security/selinux/Kconfig help text.
diff --git a/Documentation/scsi/scsi_mid_low_api.txt b/Documentation/scsi/scsi_mid_low_api.txt
index 75a535a975c..6f70f2b9327 100644
--- a/Documentation/scsi/scsi_mid_low_api.txt
+++ b/Documentation/scsi/scsi_mid_low_api.txt
@@ -375,7 +375,6 @@ Summary:
scsi_add_device - creates new scsi device (lu) instance
scsi_add_host - perform sysfs registration and set up transport class
scsi_adjust_queue_depth - change the queue depth on a SCSI device
- scsi_assign_lock - replace default host_lock with given lock
scsi_bios_ptable - return copy of block device's partition table
scsi_block_requests - prevent further commands being queued to given host
scsi_deactivate_tcq - turn off tag command queueing
@@ -489,20 +488,6 @@ void scsi_adjust_queue_depth(struct scsi_device * sdev, int tagged,
/**
- * scsi_assign_lock - replace default host_lock with given lock
- * @shost: a pointer to a scsi host instance
- * @lock: pointer to lock to replace host_lock for this host
- *
- * Returns nothing
- *
- * Might block: no
- *
- * Defined in: include/scsi/scsi_host.h .
- **/
-void scsi_assign_lock(struct Scsi_Host *shost, spinlock_t *lock)
-
-
-/**
* scsi_bios_ptable - return copy of block device's partition table
* @dev: pointer to block device
*
@@ -1366,17 +1351,11 @@ Locks
Each struct Scsi_Host instance has a spin_lock called struct
Scsi_Host::default_lock which is initialized in scsi_host_alloc() [found in
hosts.c]. Within the same function the struct Scsi_Host::host_lock pointer
-is initialized to point at default_lock with the scsi_assign_lock() function.
-Thereafter lock and unlock operations performed by the mid level use the
-struct Scsi_Host::host_lock pointer.
-
-LLDs can override the use of struct Scsi_Host::default_lock by
-using scsi_assign_lock(). The earliest opportunity to do this would
-be in the detect() function after it has invoked scsi_register(). It
-could be replaced by a coarser grain lock (e.g. per driver) or a
-lock of equal granularity (i.e. per host). Using finer grain locks
-(e.g. per SCSI device) may be possible by juggling locks in
-queuecommand().
+is initialized to point at default_lock. Thereafter lock and unlock
+operations performed by the mid level use the struct Scsi_Host::host_lock
+pointer. Previously drivers could override the host_lock pointer but
+this is not allowed anymore.
+
Autosense
=========
diff --git a/block/scsi_ioctl.c b/block/scsi_ioctl.c
index 5493c2fbbab..b3e210723a7 100644
--- a/block/scsi_ioctl.c
+++ b/block/scsi_ioctl.c
@@ -277,7 +277,7 @@ static int sg_io(struct file *file, request_queue_t *q,
if (rq->bio)
blk_queue_bounce(q, &rq->bio);
- rq->timeout = (hdr->timeout * HZ) / 1000;
+ rq->timeout = jiffies_to_msecs(hdr->timeout);
if (!rq->timeout)
rq->timeout = q->sg_timeout;
if (!rq->timeout)
diff --git a/drivers/scsi/53c700.c b/drivers/scsi/53c700.c
index 562432d017b..335a25540c0 100644
--- a/drivers/scsi/53c700.c
+++ b/drivers/scsi/53c700.c
@@ -622,8 +622,10 @@ NCR_700_scsi_done(struct NCR_700_Host_Parameters *hostdata,
dma_unmap_single(hostdata->dev, slot->dma_handle, sizeof(SCp->sense_buffer), DMA_FROM_DEVICE);
/* restore the old result if the request sense was
* successful */
- if(result == 0)
+ if (result == 0)
result = cmnd[7];
+ /* restore the original length */
+ SCp->cmd_len = cmnd[8];
} else
NCR_700_unmap(hostdata, SCp, slot);
@@ -1007,6 +1009,9 @@ process_script_interrupt(__u32 dsps, __u32 dsp, struct scsi_cmnd *SCp,
* of the command */
cmnd[6] = NCR_700_INTERNAL_SENSE_MAGIC;
cmnd[7] = hostdata->status[0];
+ cmnd[8] = SCp->cmd_len;
+ SCp->cmd_len = 6; /* command length for
+ * REQUEST_SENSE */
slot->pCmd = dma_map_single(hostdata->dev, cmnd, MAX_COMMAND_SIZE, DMA_TO_DEVICE);
slot->dma_handle = dma_map_single(hostdata->dev, SCp->sense_buffer, sizeof(SCp->sense_buffer), DMA_FROM_DEVICE);
slot->SG[0].ins = bS_to_host(SCRIPT_MOVE_DATA_IN | sizeof(SCp->sense_buffer));
diff --git a/drivers/scsi/BusLogic.c b/drivers/scsi/BusLogic.c
index cdd03372478..3075204915c 100644
--- a/drivers/scsi/BusLogic.c
+++ b/drivers/scsi/BusLogic.c
@@ -2186,21 +2186,21 @@ static int __init BusLogic_init(void)
if (BusLogic_ProbeOptions.NoProbe)
return -ENODEV;
- BusLogic_ProbeInfoList = (struct BusLogic_ProbeInfo *)
- kmalloc(BusLogic_MaxHostAdapters * sizeof(struct BusLogic_ProbeInfo), GFP_ATOMIC);
+ BusLogic_ProbeInfoList =
+ kzalloc(BusLogic_MaxHostAdapters * sizeof(struct BusLogic_ProbeInfo), GFP_KERNEL);
if (BusLogic_ProbeInfoList == NULL) {
BusLogic_Error("BusLogic: Unable to allocate Probe Info List\n", NULL);
return -ENOMEM;
}
- memset(BusLogic_ProbeInfoList, 0, BusLogic_MaxHostAdapters * sizeof(struct BusLogic_ProbeInfo));
- PrototypeHostAdapter = (struct BusLogic_HostAdapter *)
- kmalloc(sizeof(struct BusLogic_HostAdapter), GFP_ATOMIC);
+
+ PrototypeHostAdapter =
+ kzalloc(sizeof(struct BusLogic_HostAdapter), GFP_KERNEL);
if (PrototypeHostAdapter == NULL) {
kfree(BusLogic_ProbeInfoList);
BusLogic_Error("BusLogic: Unable to allocate Prototype " "Host Adapter\n", NULL);
return -ENOMEM;
}
- memset(PrototypeHostAdapter, 0, sizeof(struct BusLogic_HostAdapter));
+
#ifdef MODULE
if (BusLogic != NULL)
BusLogic_Setup(BusLogic);
diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig
index 9540eb8efdc..69569096dae 100644
--- a/drivers/scsi/Kconfig
+++ b/drivers/scsi/Kconfig
@@ -29,6 +29,13 @@ config SCSI
However, do not compile this as a module if your root file system
(the one containing the directory /) is located on a SCSI device.
+config SCSI_TGT
+ tristate "SCSI target support"
+ depends on SCSI && EXPERIMENTAL
+ ---help---
+ If you want to use SCSI target mode drivers enable this option.
+ If you choose M, the module will be called scsi_tgt.
+
config SCSI_NETLINK
bool
default n
@@ -216,6 +223,23 @@ config SCSI_LOGGING
there should be no noticeable performance impact as long as you have
logging turned off.
+config SCSI_SCAN_ASYNC
+ bool "Asynchronous SCSI scanning"
+ depends on SCSI
+ help
+ The SCSI subsystem can probe for devices while the rest of the
+ system continues booting, and even probe devices on different
+ busses in parallel, leading to a significant speed-up.
+ If you have built SCSI as modules, enabling this option can
+ be a problem as the devices may not have been found by the
+ time your system expects them to have been. You can load the
+ scsi_wait_scan module to ensure that all scans have completed.
+ If you build your SCSI drivers into the kernel, then everything
+ will work fine if you say Y here.
+
+ You can override this choice by specifying scsi_mod.scan="sync"
+ or "async" on the kernel's command line.
+
menu "SCSI Transports"
depends on SCSI
@@ -797,6 +821,20 @@ config SCSI_IBMVSCSI
To compile this driver as a module, choose M here: the
module will be called ibmvscsic.
+config SCSI_IBMVSCSIS
+ tristate "IBM Virtual SCSI Server support"
+ depends on PPC_PSERIES && SCSI_TGT && SCSI_SRP
+ help
+ This is the SRP target driver for IBM pSeries virtual environments.
+
+ The userspace component needed to initialize the driver and
+ documentation can be found:
+
+ http://stgt.berlios.de/
+
+ To compile this driver as a module, choose M here: the
+ module will be called ibmvstgt.
+
config SCSI_INITIO
tristate "Initio 9100U(W) support"
depends on PCI && SCSI
@@ -944,8 +982,13 @@ config SCSI_STEX
tristate "Promise SuperTrak EX Series support"
depends on PCI && SCSI
---help---
- This driver supports Promise SuperTrak EX8350/8300/16350/16300
- Storage controllers.
+ This driver supports Promise SuperTrak EX series storage controllers.
+
+ Promise provides Linux RAID configuration utility for these
+ controllers. Please visit <http://www.promise.com> to download.
+
+ To compile this driver as a module, choose M here: the
+ module will be called stex.
config SCSI_SYM53C8XX_2
tristate "SYM53C8XX Version 2 SCSI support"
@@ -1026,6 +1069,7 @@ config SCSI_IPR
config SCSI_IPR_TRACE
bool "enable driver internal trace"
depends on SCSI_IPR
+ default y
help
If you say Y here, the driver will trace all commands issued
to the adapter. Performance impact is minimal. Trace can be
@@ -1034,6 +1078,7 @@ config SCSI_IPR_TRACE
config SCSI_IPR_DUMP
bool "enable adapter dump support"
depends on SCSI_IPR
+ default y
help
If you say Y here, the driver will support adapter crash dump.
If you enable this support, the iprdump daemon can be used
@@ -1734,6 +1779,16 @@ config ZFCP
called zfcp. If you want to compile it as a module, say M here
and read <file:Documentation/modules.txt>.
+config SCSI_SRP
+ tristate "SCSI RDMA Protocol helper library"
+ depends on SCSI && PCI
+ select SCSI_TGT
+ help
+ If you wish to use SRP target drivers, say Y.
+
+ To compile this driver as a module, choose M here: the
+ module will be called libsrp.
+
endmenu
source "drivers/scsi/pcmcia/Kconfig"
diff --git a/drivers/scsi/Makefile b/drivers/scsi/Makefile
index bcca39c3bcb..bd7c9888f7f 100644
--- a/drivers/scsi/Makefile
+++ b/drivers/scsi/Makefile
@@ -21,6 +21,7 @@ CFLAGS_seagate.o = -DARBITRATE -DPARITY -DSEAGATE_USE_ASM
subdir-$(CONFIG_PCMCIA) += pcmcia
obj-$(CONFIG_SCSI) += scsi_mod.o
+obj-$(CONFIG_SCSI_TGT) += scsi_tgt.o
obj-$(CONFIG_RAID_ATTRS) += raid_class.o
@@ -125,7 +126,9 @@ obj-$(CONFIG_SCSI_FCAL) += fcal.o
obj-$(CONFIG_SCSI_LASI700) += 53c700.o lasi700.o
obj-$(CONFIG_SCSI_NSP32) += nsp32.o
obj-$(CONFIG_SCSI_IPR) += ipr.o
+obj-$(CONFIG_SCSI_SRP) += libsrp.o
obj-$(CONFIG_SCSI_IBMVSCSI) += ibmvscsi/
+obj-$(CONFIG_SCSI_IBMVSCSIS) += ibmvscsi/
obj-$(CONFIG_SCSI_HPTIOP) += hptiop.o
obj-$(CONFIG_SCSI_STEX) += stex.o
@@ -141,6 +144,8 @@ obj-$(CONFIG_CHR_DEV_SCH) += ch.o
# This goes last, so that "real" scsi devices probe earlier
obj-$(CONFIG_SCSI_DEBUG) += scsi_debug.o
+obj-$(CONFIG_SCSI) += scsi_wait_scan.o
+
scsi_mod-y += scsi.o hosts.o scsi_ioctl.o constants.o \
scsicam.o scsi_error.o scsi_lib.o \
scsi_scan.o scsi_sysfs.o \
@@ -149,6 +154,8 @@ scsi_mod-$(CONFIG_SCSI_NETLINK) += scsi_netlink.o
scsi_mod-$(CONFIG_SYSCTL) += scsi_sysctl.o
scsi_mod-$(CONFIG_SCSI_PROC_FS) += scsi_proc.o
+scsi_tgt-y += scsi_tgt_lib.o scsi_tgt_if.o
+
sd_mod-objs := sd.o
sr_mod-objs := sr.o sr_ioctl.o sr_vendor.o
ncr53c8xx-flags-$(CONFIG_SCSI_ZALON) \
diff --git a/drivers/scsi/NCR53c406a.c b/drivers/scsi/NCR53c406a.c
index d4613815f68..8578555d58f 100644
--- a/drivers/scsi/NCR53c406a.c
+++ b/drivers/scsi/NCR53c406a.c
@@ -220,9 +220,11 @@ static void *addresses[] = {
static unsigned short ports[] = { 0x230, 0x330, 0x280, 0x290, 0x330, 0x340, 0x300, 0x310, 0x348, 0x350 };
#define PORT_COUNT ARRAY_SIZE(ports)
+#ifndef MODULE
/* possible interrupt channels */
static unsigned short intrs[] = { 10, 11, 12, 15 };
#define INTR_COUNT ARRAY_SIZE(intrs)
+#endif /* !MODULE */
/* signatures for NCR 53c406a based controllers */
#if USE_BIOS
@@ -605,6 +607,7 @@ static int NCR53c406a_release(struct Scsi_Host *shost)
return 0;
}
+#ifndef MODULE
/* called from init/main.c */
static int __init NCR53c406a_setup(char *str)
{
@@ -661,6 +664,8 @@ static int __init NCR53c406a_setup(char *str)
__setup("ncr53c406a=", NCR53c406a_setup);
+#endif /* !MODULE */
+
static const char *NCR53c406a_info(struct Scsi_Host *SChost)
{
DEB(printk("NCR53c406a_info called\n"));
diff --git a/drivers/scsi/aacraid/aacraid.h b/drivers/scsi/aacraid/aacraid.h
index eb3ed91bac7..4f8b4c53d43 100644
--- a/drivers/scsi/aacraid/aacraid.h
+++ b/drivers/scsi/aacraid/aacraid.h
@@ -11,8 +11,8 @@
*----------------------------------------------------------------------------*/
#ifndef AAC_DRIVER_BUILD
-# define AAC_DRIVER_BUILD 2409
-# define AAC_DRIVER_BRANCH "-mh2"
+# define AAC_DRIVER_BUILD 2423
+# define AAC_DRIVER_BRANCH "-mh3"
#endif
#define MAXIMUM_NUM_CONTAINERS 32
diff --git a/drivers/scsi/aacraid/commsup.c b/drivers/scsi/aacraid/commsup.c
index 19e42ac07cb..4893a6d06a3 100644
--- a/drivers/scsi/aacraid/commsup.c
+++ b/drivers/scsi/aacraid/commsup.c
@@ -518,6 +518,7 @@ int aac_fib_send(u16 command, struct fib *fibptr, unsigned long size,
*/
unsigned long count = 36000000L; /* 3 minutes */
while (down_trylock(&fibptr->event_wait)) {
+ int blink;
if (--count == 0) {
spin_lock_irqsave(q->lock, qflags);
q->numpending--;
@@ -530,6 +531,14 @@ int aac_fib_send(u16 command, struct fib *fibptr, unsigned long size,
}
return -ETIMEDOUT;
}
+ if ((blink = aac_adapter_check_health(dev)) > 0) {
+ if (wait == -1) {
+ printk(KERN_ERR "aacraid: aac_fib_send: adapter blinkLED 0x%x.\n"
+ "Usually a result of a serious unrecoverable hardware problem\n",
+ blink);
+ }
+ return -EFAULT;
+ }
udelay(5);
}
} else if (down_interruptible(&fibptr->event_wait)) {
@@ -1093,6 +1102,20 @@ static int _aac_reset_adapter(struct aac_dev *aac)
goto out;
}
+ /*
+ * Loop through the fibs, close the synchronous FIBS
+ */
+ for (index = 0; index < (aac->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB); index++) {
+ struct fib *fib = &aac->fibs[index];
+ if (!(fib->hw_fib->header.XferState & cpu_to_le32(NoResponseExpected | Async)) &&
+ (fib->hw_fib->header.XferState & cpu_to_le32(ResponseExpected))) {
+ unsigned long flagv;
+ spin_lock_irqsave(&fib->event_lock, flagv);
+ up(&fib->event_wait);
+ spin_unlock_irqrestore(&fib->event_lock, flagv);
+ schedule();
+ }
+ }
index = aac->cardtype;
/*
diff --git a/drivers/scsi/aha1740.c b/drivers/scsi/aha1740.c
index c3c38a7e8d3..d7af9c63a04 100644
--- a/drivers/scsi/aha1740.c
+++ b/drivers/scsi/aha1740.c
@@ -586,7 +586,7 @@ static struct scsi_host_template aha1740_template = {
static int aha1740_probe (struct device *dev)
{
- int slotbase;
+ int slotbase, rc;
unsigned int irq_level, irq_type, translation;
struct Scsi_Host *shpnt;
struct aha1740_hostdata *host;
@@ -641,10 +641,16 @@ static int aha1740_probe (struct device *dev)
}
eisa_set_drvdata (edev, shpnt);
- scsi_add_host (shpnt, dev); /* XXX handle failure */
+
+ rc = scsi_add_host (shpnt, dev);
+ if (rc)
+ goto err_irq;
+
scsi_scan_host (shpnt);
return 0;
+ err_irq:
+ free_irq(irq_level, shpnt);
err_unmap:
dma_unmap_single (&edev->dev, host->ecb_dma_addr,
sizeof (host->ecb), DMA_BIDIRECTIONAL);
diff --git a/drivers/scsi/aic7xxx/aic79xx_osm_pci.c b/drivers/scsi/aic7xxx/aic79xx_osm_pci.c
index 2001fe890e7..1a3ab6aa856 100644
--- a/drivers/scsi/aic7xxx/aic79xx_osm_pci.c
+++ b/drivers/scsi/aic7xxx/aic79xx_osm_pci.c
@@ -62,6 +62,7 @@ static struct pci_device_id ahd_linux_pci_id_table[] = {
/* aic7901 based controllers */
ID(ID_AHA_29320A),
ID(ID_AHA_29320ALP),
+ ID(ID_AHA_29320LPE),
/* aic7902 based controllers */
ID(ID_AHA_29320),
ID(ID_AHA_29320B),
diff --git a/drivers/scsi/aic7xxx/aic79xx_pci.c b/drivers/scsi/aic7xxx/aic79xx_pci.c
index c07735819cd..2cf7bb3123f 100644
--- a/drivers/scsi/aic7xxx/aic79xx_pci.c
+++ b/drivers/scsi/aic7xxx/aic79xx_pci.c
@@ -109,7 +109,13 @@ static struct ahd_pci_identity ahd_pci_ident_table [] =
{
ID_AHA_29320ALP,
ID_ALL_MASK,
- "Adaptec 29320ALP Ultra320 SCSI adapter",
+ "Adaptec 29320ALP PCIx Ultra320 SCSI adapter",
+ ahd_aic7901_setup
+ },
+ {
+ ID_AHA_29320LPE,
+ ID_ALL_MASK,
+ "Adaptec 29320LPE PCIe Ultra320 SCSI adapter",
ahd_aic7901_setup
},
/* aic7901A based controllers */
diff --git a/drivers/scsi/aic7xxx/aic79xx_pci.h b/drivers/scsi/aic7xxx/aic79xx_pci.h
index da45153668c..16b7c70a673 100644
--- a/drivers/scsi/aic7xxx/aic79xx_pci.h
+++ b/drivers/scsi/aic7xxx/aic79xx_pci.h
@@ -51,6 +51,7 @@
#define ID_AIC7901 0x800F9005FFFF9005ull
#define ID_AHA_29320A 0x8000900500609005ull
#define ID_AHA_29320ALP 0x8017900500449005ull
+#define ID_AHA_29320LPE 0x8017900500459005ull
#define ID_AIC7901A 0x801E9005FFFF9005ull
#define ID_AHA_29320LP 0x8014900500449005ull
diff --git a/drivers/scsi/aic94xx/aic94xx_init.c b/drivers/scsi/aic94xx/aic94xx_init.c
index 57c5ba4043f..42302ef05ee 100644
--- a/drivers/scsi/aic94xx/aic94xx_init.c
+++ b/drivers/scsi/aic94xx/aic94xx_init.c
@@ -724,6 +724,15 @@ static void asd_free_queues(struct asd_ha_struct *asd_ha)
list_for_each_safe(pos, n, &pending) {
struct asd_ascb *ascb = list_entry(pos, struct asd_ascb, list);
+ /*
+ * Delete unexpired ascb timers. This may happen if we issue
+ * a CONTROL PHY scb to an adapter and rmmod before the scb
+ * times out. Apparently we don't wait for the CONTROL PHY
+ * to complete, so it doesn't matter if we kill the timer.
+ */
+ del_timer_sync(&ascb->timer);
+ WARN_ON(ascb->scb->header.opcode != CONTROL_PHY);
+
list_del_init(pos);
ASD_DPRINTK("freeing from pending\n");
asd_ascb_free(ascb);
diff --git a/drivers/scsi/aic94xx/aic94xx_scb.c b/drivers/scsi/aic94xx/aic94xx_scb.c
index b15caf1c8fa..14d5d8c2ee1 100644
--- a/drivers/scsi/aic94xx/aic94xx_scb.c
+++ b/drivers/scsi/aic94xx/aic94xx_scb.c
@@ -25,6 +25,7 @@
*/
#include <linux/pci.h>
+#include <scsi/scsi_host.h>
#include "aic94xx.h"
#include "aic94xx_reg.h"
@@ -412,6 +413,39 @@ void asd_invalidate_edb(struct asd_ascb *ascb, int edb_id)
}
}
+/* hard reset a phy later */
+static void do_phy_reset_later(void *data)
+{
+ struct sas_phy *sas_phy = data;
+ int error;
+
+ ASD_DPRINTK("%s: About to hard reset phy %d\n", __FUNCTION__,
+ sas_phy->identify.phy_identifier);
+ /* Reset device port */
+ error = sas_phy_reset(sas_phy, 1);
+ if (error)
+ ASD_DPRINTK("%s: Hard reset of phy %d failed (%d).\n",
+ __FUNCTION__, sas_phy->identify.phy_identifier, error);
+}
+
+static void phy_reset_later(struct sas_phy *sas_phy, struct Scsi_Host *shost)
+{
+ INIT_WORK(&sas_phy->reset_work, do_phy_reset_later, sas_phy);
+ queue_work(shost->work_q, &sas_phy->reset_work);
+}
+
+/* start up the ABORT TASK tmf... */
+static void task_kill_later(struct asd_ascb *ascb)
+{
+ struct asd_ha_struct *asd_ha = ascb->ha;
+ struct sas_ha_struct *sas_ha = &asd_ha->sas_ha;
+ struct Scsi_Host *shost = sas_ha->core.shost;
+ struct sas_task *task = ascb->uldd_task;
+
+ INIT_WORK(&task->abort_work, (void (*)(void *))sas_task_abort, task);
+ queue_work(shost->work_q, &task->abort_work);
+}
+
static void escb_tasklet_complete(struct asd_ascb *ascb,
struct done_list_struct *dl)
{
@@ -439,6 +473,74 @@ static void escb_tasklet_complete(struct asd_ascb *ascb,
ascb->scb->header.opcode);
}
+ /* Catch these before we mask off the sb_opcode bits */
+ switch (sb_opcode) {
+ case REQ_TASK_ABORT: {
+ struct asd_ascb *a, *b;
+ u16 tc_abort;
+
+ tc_abort = *((u16*)(&dl->status_block[1]));
+ tc_abort = le16_to_cpu(tc_abort);
+
+ ASD_DPRINTK("%s: REQ_TASK_ABORT, reason=0x%X\n",
+ __FUNCTION__, dl->status_block[3]);
+
+ /* Find the pending task and abort it. */
+ list_for_each_entry_safe(a, b, &asd_ha->seq.pend_q, list)
+ if (a->tc_index == tc_abort) {
+ task_kill_later(a);
+ break;
+ }
+ goto out;
+ }
+ case REQ_DEVICE_RESET: {
+ struct Scsi_Host *shost = sas_ha->core.shost;
+ struct sas_phy *dev_phy;
+ struct asd_ascb *a;
+ u16 conn_handle;
+
+ conn_handle = *((u16*)(&dl->status_block[1]));
+ conn_handle = le16_to_cpu(conn_handle);
+
+ ASD_DPRINTK("%s: REQ_DEVICE_RESET, reason=0x%X\n", __FUNCTION__,
+ dl->status_block[3]);
+
+ /* Kill all pending tasks and reset the device */
+ dev_phy = NULL;
+ list_for_each_entry(a, &asd_ha->seq.pend_q, list) {
+ struct sas_task *task;
+ struct domain_device *dev;
+ u16 x;
+
+ task = a->uldd_task;
+ if (!task)
+ continue;
+ dev = task->dev;
+
+ x = (unsigned long)dev->lldd_dev;
+ if (x == conn_handle) {
+ dev_phy = dev->port->phy;
+ task_kill_later(a);
+ }
+ }
+
+ /* Reset device port */
+ if (!dev_phy) {
+ ASD_DPRINTK("%s: No pending commands; can't reset.\n",
+ __FUNCTION__);
+ goto out;
+ }
+ phy_reset_later(dev_phy, shost);
+ goto out;
+ }
+ case SIGNAL_NCQ_ERROR:
+ ASD_DPRINTK("%s: SIGNAL_NCQ_ERROR\n", __FUNCTION__);
+ goto out;
+ case CLEAR_NCQ_ERROR:
+ ASD_DPRINTK("%s: CLEAR_NCQ_ERROR\n", __FUNCTION__);
+ goto out;
+ }
+
sb_opcode &= ~DL_PHY_MASK;
switch (sb_opcode) {
@@ -469,22 +571,6 @@ static void escb_tasklet_complete(struct asd_ascb *ascb,
asd_deform_port(asd_ha, phy);
sas_ha->notify_port_event(sas_phy, PORTE_TIMER_EVENT);
break;
- case REQ_TASK_ABORT:
- ASD_DPRINTK("%s: phy%d: REQ_TASK_ABORT\n", __FUNCTION__,
- phy_id);
- break;
- case REQ_DEVICE_RESET:
- ASD_DPRINTK("%s: phy%d: REQ_DEVICE_RESET\n", __FUNCTION__,
- phy_id);
- break;
- case SIGNAL_NCQ_ERROR:
- ASD_DPRINTK("%s: phy%d: SIGNAL_NCQ_ERROR\n", __FUNCTION__,
- phy_id);
- break;
- case CLEAR_NCQ_ERROR:
- ASD_DPRINTK("%s: phy%d: CLEAR_NCQ_ERROR\n", __FUNCTION__,
- phy_id);
- break;
default:
ASD_DPRINTK("%s: phy%d: unknown event:0x%x\n", __FUNCTION__,
phy_id, sb_opcode);
@@ -504,7 +590,7 @@ static void escb_tasklet_complete(struct asd_ascb *ascb,
break;
}
-
+out:
asd_invalidate_edb(ascb, edb);
}
diff --git a/drivers/scsi/fd_mcs.c b/drivers/scsi/fd_mcs.c
index ef8285c326e..668569e8856 100644
--- a/drivers/scsi/fd_mcs.c
+++ b/drivers/scsi/fd_mcs.c
@@ -294,6 +294,7 @@ static struct Scsi_Host *hosts[FD_MAX_HOSTS + 1] = { NULL };
static int user_fifo_count = 0;
static int user_fifo_size = 0;
+#ifndef MODULE
static int __init fd_mcs_setup(char *str)
{
static int done_setup = 0;
@@ -311,6 +312,7 @@ static int __init fd_mcs_setup(char *str)
}
__setup("fd_mcs=", fd_mcs_setup);
+#endif /* !MODULE */
static void print_banner(struct Scsi_Host *shpnt)
{
diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c
index 68ef1636678..38c3a291efa 100644
--- a/drivers/scsi/hosts.c
+++ b/drivers/scsi/hosts.c
@@ -263,6 +263,10 @@ static void scsi_host_dev_release(struct device *dev)
kthread_stop(shost->ehandler);
if (shost->work_q)
destroy_workqueue(shost->work_q);
+ if (shost->uspace_req_q) {
+ kfree(shost->uspace_req_q->queuedata);
+ scsi_free_queue(shost->uspace_req_q);
+ }
scsi_destroy_command_freelist(shost);
if (shost->bqt)
@@ -301,8 +305,8 @@ struct Scsi_Host *scsi_host_alloc(struct scsi_host_template *sht, int privsize)
if (!shost)
return NULL;
- spin_lock_init(&shost->default_lock);
- scsi_assign_lock(shost, &shost->default_lock);
+ shost->host_lock = &shost->default_lock;
+ spin_lock_init(shost->host_lock);
shost->shost_state = SHOST_CREATED;
INIT_LIST_HEAD(&shost->__devices);
INIT_LIST_HEAD(&shost->__targets);
diff --git a/drivers/scsi/ibmvscsi/Makefile b/drivers/scsi/ibmvscsi/Makefile
index 4e247b6b870..6ac0633d545 100644
--- a/drivers/scsi/ibmvscsi/Makefile
+++ b/drivers/scsi/ibmvscsi/Makefile
@@ -3,3 +3,5 @@ obj-$(CONFIG_SCSI_IBMVSCSI) += ibmvscsic.o
ibmvscsic-y += ibmvscsi.o
ibmvscsic-$(CONFIG_PPC_ISERIES) += iseries_vscsi.o
ibmvscsic-$(CONFIG_PPC_PSERIES) += rpa_vscsi.o
+
+obj-$(CONFIG_SCSI_IBMVSCSIS) += ibmvstgt.o
diff --git a/drivers/scsi/ibmvscsi/ibmvstgt.c b/drivers/scsi/ibmvscsi/ibmvstgt.c
new file mode 100644
index 00000000000..0e74174a1b3
--- /dev/null
+++ b/drivers/scsi/ibmvscsi/ibmvstgt.c
@@ -0,0 +1,958 @@
+/*
+ * IBM eServer i/pSeries Virtual SCSI Target Driver
+ * Copyright (C) 2003-2005 Dave Boutcher (boutcher@us.ibm.com) IBM Corp.
+ * Santiago Leon (santil@us.ibm.com) IBM Corp.
+ * Linda Xie (lxie@us.ibm.com) IBM Corp.
+ *
+ * Copyright (C) 2005-2006 FUJITA Tomonori <tomof@acm.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ * USA
+ */
+#include <linux/interrupt.h>
+#include <linux/module.h>
+#include <scsi/scsi.h>
+#include <scsi/scsi_host.h>
+#include <scsi/scsi_tgt.h>
+#include <scsi/libsrp.h>
+#include <asm/hvcall.h>
+#include <asm/iommu.h>
+#include <asm/prom.h>
+#include <asm/vio.h>
+
+#include "ibmvscsi.h"
+
+#define INITIAL_SRP_LIMIT 16
+#define DEFAULT_MAX_SECTORS 512
+
+#define TGT_NAME "ibmvstgt"
+
+/*
+ * Hypervisor calls.
+ */
+#define h_copy_rdma(l, sa, sb, da, db) \
+ plpar_hcall_norets(H_COPY_RDMA, l, sa, sb, da, db)
+#define h_send_crq(ua, l, h) \
+ plpar_hcall_norets(H_SEND_CRQ, ua, l, h)
+#define h_reg_crq(ua, tok, sz)\
+ plpar_hcall_norets(H_REG_CRQ, ua, tok, sz);
+#define h_free_crq(ua) \
+ plpar_hcall_norets(H_FREE_CRQ, ua);
+
+/* tmp - will replace with SCSI logging stuff */
+#define eprintk(fmt, args...) \
+do { \
+ printk("%s(%d) " fmt, __FUNCTION__, __LINE__, ##args); \
+} while (0)
+/* #define dprintk eprintk */
+#define dprintk(fmt, args...)
+
+struct vio_port {
+ struct vio_dev *dma_dev;
+
+ struct crq_queue crq_queue;
+ struct work_struct crq_work;
+
+ unsigned long liobn;
+ unsigned long riobn;
+};
+
+static struct workqueue_struct *vtgtd;
+
+/*
+ * These are fixed for the system and come from the Open Firmware device tree.
+ * We just store them here to save getting them every time.
+ */
+static char system_id[64] = "";
+static char partition_name[97] = "UNKNOWN";
+static unsigned int partition_number = -1;
+
+static struct vio_port *target_to_port(struct srp_target *target)
+{
+ return (struct vio_port *) target->ldata;
+}
+
+static inline union viosrp_iu *vio_iu(struct iu_entry *iue)
+{
+ return (union viosrp_iu *) (iue->sbuf->buf);
+}
+
+static int send_iu(struct iu_entry *iue, uint64_t length, uint8_t format)
+{
+ struct srp_target *target = iue->target;
+ struct vio_port *vport = target_to_port(target);
+ long rc, rc1;
+ union {
+ struct viosrp_crq cooked;
+ uint64_t raw[2];
+ } crq;
+
+ /* First copy the SRP */
+ rc = h_copy_rdma(length, vport->liobn, iue->sbuf->dma,
+ vport->riobn, iue->remote_token);
+
+ if (rc)
+ eprintk("Error %ld transferring data\n", rc);
+
+ crq.cooked.valid = 0x80;
+ crq.cooked.format = format;
+ crq.cooked.reserved = 0x00;
+ crq.cooked.timeout = 0x00;
+ crq.cooked.IU_length = length;
+ crq.cooked.IU_data_ptr = vio_iu(iue)->srp.rsp.tag;
+
+ if (rc == 0)
+ crq.cooked.status = 0x99; /* Just needs to be non-zero */
+ else
+ crq.cooked.status = 0x00;
+
+ rc1 = h_send_crq(vport->dma_dev->unit_address, crq.raw[0], crq.raw[1]);
+
+ if (rc1) {
+ eprintk("%ld sending response\n", rc1);
+ return rc1;
+ }
+
+ return rc;
+}
+
+#define SRP_RSP_SENSE_DATA_LEN 18
+
+static int send_rsp(struct iu_entry *iue, struct scsi_cmnd *sc,
+ unsigned char status, unsigned char asc)
+{
+ union viosrp_iu *iu = vio_iu(iue);
+ uint64_t tag = iu->srp.rsp.tag;
+
+ /* If the linked bit is on and status is good */
+ if (test_bit(V_LINKED, &iue->flags) && (status == NO_SENSE))
+ status = 0x10;
+
+ memset(iu, 0, sizeof(struct srp_rsp));
+ iu->srp.rsp.opcode = SRP_RSP;
+ iu->srp.rsp.req_lim_delta = 1;
+ iu->srp.rsp.tag = tag;
+
+ if (test_bit(V_DIOVER, &iue->flags))
+ iu->srp.rsp.flags |= SRP_RSP_FLAG_DIOVER;
+
+ iu->srp.rsp.data_in_res_cnt = 0;
+ iu->srp.rsp.data_out_res_cnt = 0;
+
+ iu->srp.rsp.flags &= ~SRP_RSP_FLAG_RSPVALID;
+
+ iu->srp.rsp.resp_data_len = 0;
+ iu->srp.rsp.status = status;
+ if (status) {
+ uint8_t *sense = iu->srp.rsp.data;
+
+ if (sc) {
+ iu->srp.rsp.flags |= SRP_RSP_FLAG_SNSVALID;
+ iu->srp.rsp.sense_data_len = SCSI_SENSE_BUFFERSIZE;
+ memcpy(sense, sc->sense_buffer, SCSI_SENSE_BUFFERSIZE);
+ } else {
+ iu->srp.rsp.status = SAM_STAT_CHECK_CONDITION;
+ iu->srp.rsp.flags |= SRP_RSP_FLAG_SNSVALID;
+ iu->srp.rsp.sense_data_len = SRP_RSP_SENSE_DATA_LEN;
+
+ /* Valid bit and 'current errors' */
+ sense[0] = (0x1 << 7 | 0x70);
+ /* Sense key */
+ sense[2] = status;
+ /* Additional sense length */
+ sense[7] = 0xa; /* 10 bytes */
+ /* Additional sense code */
+ sense[12] = asc;
+ }
+ }
+
+ send_iu(iue, sizeof(iu->srp.rsp) + SRP_RSP_SENSE_DATA_LEN,
+ VIOSRP_SRP_FORMAT);
+
+ return 0;
+}
+
+static void handle_cmd_queue(struct srp_target *target)
+{
+ struct Scsi_Host *shost = target->shost;
+ struct iu_entry *iue;
+ struct srp_cmd *cmd;
+ unsigned long flags;
+ int err;
+
+retry:
+ spin_lock_irqsave(&target->lock, flags);
+
+ list_for_each_entry(iue, &target->cmd_queue, ilist) {
+ if (!test_and_set_bit(V_FLYING, &iue->flags)) {
+ spin_unlock_irqrestore(&target->lock, flags);
+ cmd = iue->sbuf->buf;
+ err = srp_cmd_queue(shost, cmd, iue, 0);
+ if (err) {
+ eprintk("cannot queue cmd %p %d\n", cmd, err);
+ srp_iu_put(iue);
+ }
+ goto retry;
+ }
+ }
+
+ spin_unlock_irqrestore(&target->lock, flags);
+}
+
+static int ibmvstgt_rdma(struct scsi_cmnd *sc, struct scatterlist *sg, int nsg,
+ struct srp_direct_buf *md, int nmd,
+ enum dma_data_direction dir, unsigned int rest)
+{
+ struct iu_entry *iue = (struct iu_entry *) sc->SCp.ptr;
+ struct srp_target *target = iue->target;
+ struct vio_port *vport = target_to_port(target);
+ dma_addr_t token;
+ long err;
+ unsigned int done = 0;
+ int i, sidx, soff;
+
+ sidx = soff = 0;
+ token = sg_dma_address(sg + sidx);
+
+ for (i = 0; i < nmd && rest; i++) {
+ unsigned int mdone, mlen;
+
+ mlen = min(rest, md[i].len);
+ for (mdone = 0; mlen;) {
+ int slen = min(sg_dma_len(sg + sidx) - soff, mlen);
+
+ if (dir == DMA_TO_DEVICE)
+ err = h_copy_rdma(slen,
+ vport->riobn,
+ md[i].va + mdone,
+ vport->liobn,
+ token + soff);
+ else
+ err = h_copy_rdma(slen,
+ vport->liobn,
+ token + soff,
+ vport->riobn,
+ md[i].va + mdone);
+
+ if (err != H_SUCCESS) {
+ eprintk("rdma error %d %d\n", dir, slen);
+ goto out;
+ }
+
+ mlen -= slen;
+ mdone += slen;
+ soff += slen;
+ done += slen;
+
+ if (soff == sg_dma_len(sg + sidx)) {
+ sidx++;
+ soff = 0;
+ token = sg_dma_address(sg + sidx);
+
+ if (sidx > nsg) {
+ eprintk("out of sg %p %d %d\n",
+ iue, sidx, nsg);
+ goto out;
+ }
+ }
+ };
+
+ rest -= mlen;
+ }
+out:
+
+ return 0;
+}
+
+static int ibmvstgt_transfer_data(struct scsi_cmnd *sc,
+ void (*done)(struct scsi_cmnd *))
+{
+ struct iu_entry *iue = (struct iu_entry *) sc->SCp.ptr;
+ int err;
+
+ err = srp_transfer_data(sc, &vio_iu(iue)->srp.cmd, ibmvstgt_rdma, 1, 1);
+
+ done(sc);
+
+ return err;
+}
+
+static int ibmvstgt_cmd_done(struct scsi_cmnd *sc,
+ void (*done)(struct scsi_cmnd *))
+{
+ unsigned long flags;
+ struct iu_entry *iue = (struct iu_entry *) sc->SCp.ptr;
+ struct srp_target *target = iue->target;
+
+ dprintk("%p %p %x\n", iue, target, vio_iu(iue)->srp.cmd.cdb[0]);
+
+ spin_lock_irqsave(&target->lock, flags);
+ list_del(&iue->ilist);
+ spin_unlock_irqrestore(&target->lock, flags);
+
+ if (sc->result != SAM_STAT_GOOD) {
+ eprintk("operation failed %p %d %x\n",
+ iue, sc->result, vio_iu(iue)->srp.cmd.cdb[0]);
+ send_rsp(iue, sc, HARDWARE_ERROR, 0x00);
+ } else
+ send_rsp(iue, sc, NO_SENSE, 0x00);
+
+ done(sc);
+ srp_iu_put(iue);
+ return 0;
+}
+
+int send_adapter_info(struct iu_entry *iue,
+ dma_addr_t remote_buffer, uint16_t length)
+{
+ struct srp_target *target = iue->target;
+ struct vio_port *vport = target_to_port(target);
+ struct Scsi_Host *shost = target->shost;
+ dma_addr_t data_token;
+ struct mad_adapter_info_data *info;
+ int err;
+
+ info = dma_alloc_coherent(target->dev, sizeof(*info), &data_token,
+ GFP_KERNEL);
+ if (!info) {
+ eprintk("bad dma_alloc_coherent %p\n", target);
+ return 1;
+ }
+
+ /* Get remote info */
+ err = h_copy_rdma(sizeof(*info), vport->riobn, remote_buffer,
+ vport->liobn, data_token);
+ if (err == H_SUCCESS) {
+ dprintk("Client connect: %s (%d)\n",
+ info->partition_name, info->partition_number);
+ }
+
+ memset(info, 0, sizeof(*info));
+
+ strcpy(info->srp_version, "16.a");
+ strncpy(info->partition_name, partition_name,
+ sizeof(info->partition_name));
+ info->partition_number = partition_number;
+ info->mad_version = 1;
+ info->os_type = 2;
+ info->port_max_txu[0] = shost->hostt->max_sectors << 9;
+
+ /* Send our info to remote */
+ err = h_copy_rdma(sizeof(*info), vport->liobn, data_token,
+ vport->riobn, remote_buffer);
+
+ dma_free_coherent(target->dev, sizeof(*info), info, data_token);
+
+ if (err != H_SUCCESS) {
+ eprintk("Error sending adapter info %d\n", err);
+ return 1;
+ }
+
+ return 0;
+}
+
+static void process_login(struct iu_entry *iue)
+{
+ union viosrp_iu *iu = vio_iu(iue);
+ struct srp_login_rsp *rsp = &iu->srp.login_rsp;
+ uint64_t tag = iu->srp.rsp.tag;
+
+ /* TODO handle case that requested size is wrong and
+ * buffer format is wrong
+ */
+ memset(iu, 0, sizeof(struct srp_login_rsp));
+ rsp->opcode = SRP_LOGIN_RSP;
+ rsp->req_lim_delta = INITIAL_SRP_LIMIT;
+ rsp->tag = tag;
+ rsp->max_it_iu_len = sizeof(union srp_iu);
+ rsp->max_ti_iu_len = sizeof(union srp_iu);
+ /* direct and indirect */
+ rsp->buf_fmt = SRP_BUF_FORMAT_DIRECT | SRP_BUF_FORMAT_INDIRECT;
+
+ send_iu(iue, sizeof(*rsp), VIOSRP_SRP_FORMAT);
+}
+
+static inline void queue_cmd(struct iu_entry *iue)
+{
+ struct srp_target *target = iue->target;
+ unsigned long flags;
+
+ spin_lock_irqsave(&target->lock, flags);
+ list_add_tail(&iue->ilist, &target->cmd_queue);
+ spin_unlock_irqrestore(&target->lock, flags);
+}
+
+static int process_tsk_mgmt(struct iu_entry *iue)
+{
+ union viosrp_iu *iu = vio_iu(iue);
+ int fn;
+
+ dprintk("%p %u\n", iue, iu->srp.tsk_mgmt.tsk_mgmt_func);
+
+ switch (iu->srp.tsk_mgmt.tsk_mgmt_func) {
+ case SRP_TSK_ABORT_TASK:
+ fn = ABORT_TASK;
+ break;
+ case SRP_TSK_ABORT_TASK_SET:
+ fn = ABORT_TASK_SET;
+ break;
+ case SRP_TSK_CLEAR_TASK_SET:
+ fn = CLEAR_TASK_SET;
+ break;
+ case SRP_TSK_LUN_RESET:
+ fn = LOGICAL_UNIT_RESET;
+ break;
+ case SRP_TSK_CLEAR_ACA:
+ fn = CLEAR_ACA;
+ break;
+ default:
+ fn = 0;
+ }
+ if (fn)
+ scsi_tgt_tsk_mgmt_request(iue->target->shost, fn,
+ iu->srp.tsk_mgmt.task_tag,
+ (struct scsi_lun *) &iu->srp.tsk_mgmt.lun,
+ iue);
+ else
+ send_rsp(iue, NULL, ILLEGAL_REQUEST, 0x20);
+
+ return !fn;
+}
+
+static int process_mad_iu(struct iu_entry *iue)
+{
+ union viosrp_iu *iu = vio_iu(iue);
+ struct viosrp_adapter_info *info;
+ struct viosrp_host_config *conf;
+
+ switch (iu->mad.empty_iu.common.type) {
+ case VIOSRP_EMPTY_IU_TYPE:
+ eprintk("%s\n", "Unsupported EMPTY MAD IU");
+ break;
+ case VIOSRP_ERROR_LOG_TYPE:
+ eprintk("%s\n", "Unsupported ERROR LOG MAD IU");
+ iu->mad.error_log.common.status = 1;
+ send_iu(iue, sizeof(iu->mad.error_log), VIOSRP_MAD_FORMAT);
+ break;
+ case VIOSRP_ADAPTER_INFO_TYPE:
+ info = &iu->mad.adapter_info;
+ info->common.status = send_adapter_info(iue, info->buffer,
+ info->common.length);
+ send_iu(iue, sizeof(*info), VIOSRP_MAD_FORMAT);
+ break;
+ case VIOSRP_HOST_CONFIG_TYPE:
+ conf = &iu->mad.host_config;
+ conf->common.status = 1;
+ send_iu(iue, sizeof(*conf), VIOSRP_MAD_FORMAT);
+ break;
+ default:
+ eprintk("Unknown type %u\n", iu->srp.rsp.opcode);
+ }
+
+ return 1;
+}
+
+static int process_srp_iu(struct iu_entry *iue)
+{
+ union viosrp_iu *iu = vio_iu(iue);
+ int done = 1;
+ u8 opcode = iu->srp.rsp.opcode;
+
+ switch (opcode) {
+ case SRP_LOGIN_REQ:
+ process_login(iue);
+ break;
+ case SRP_TSK_MGMT:
+ done = process_tsk_mgmt(iue);
+ break;
+ case SRP_CMD:
+ queue_cmd(iue);
+ done = 0;
+ break;
+ case SRP_LOGIN_RSP:
+ case SRP_I_LOGOUT:
+ case SRP_T_LOGOUT:
+ case SRP_RSP:
+ case SRP_CRED_REQ:
+ case SRP_CRED_RSP:
+ case SRP_AER_REQ:
+ case SRP_AER_RSP:
+ eprintk("Unsupported type %u\n", opcode);
+ break;
+ default:
+ eprintk("Unknown type %u\n", opcode);
+ }
+
+ return done;
+}
+
+static void process_iu(struct viosrp_crq *crq, struct srp_target *target)
+{
+ struct vio_port *vport = target_to_port(target);
+ struct iu_entry *iue;
+ long err, done;
+
+ iue = srp_iu_get(target);
+ if (!iue) {
+ eprintk("Error getting IU from pool, %p\n", target);
+ return;
+ }
+
+ iue->remote_token = crq->IU_data_ptr;
+
+ err = h_copy_rdma(crq->IU_length, vport->riobn,
+ iue->remote_token, vport->liobn, iue->sbuf->dma);
+
+ if (err != H_SUCCESS) {
+ eprintk("%ld transferring data error %p\n", err, iue);
+ done = 1;
+ goto out;
+ }
+
+ if (crq->format == VIOSRP_MAD_FORMAT)
+ done = process_mad_iu(iue);
+ else
+ done = process_srp_iu(iue);
+out:
+ if (done)
+ srp_iu_put(iue);
+}
+
+static irqreturn_t ibmvstgt_interrupt(int irq, void *data)
+{
+ struct srp_target *target = (struct srp_target *) data;
+ struct vio_port *vport = target_to_port(target);
+
+ vio_disable_interrupts(vport->dma_dev);
+ queue_work(vtgtd, &vport->crq_work);
+
+ return IRQ_HANDLED;
+}
+
+static int crq_queue_create(struct crq_queue *queue, struct srp_target *target)
+{
+ int err;
+ struct vio_port *vport = target_to_port(target);
+
+ queue->msgs = (struct viosrp_crq *) get_zeroed_page(GFP_KERNEL);
+ if (!queue->msgs)
+ goto malloc_failed;
+ queue->size = PAGE_SIZE / sizeof(*queue->msgs);
+
+ queue->msg_token = dma_map_single(target->dev, queue->msgs,
+ queue->size * sizeof(*queue->msgs),
+ DMA_BIDIRECTIONAL);
+
+ if (dma_mapping_error(queue->msg_token))
+ goto map_failed;
+
+ err = h_reg_crq(vport->dma_dev->unit_address, queue->msg_token,
+ PAGE_SIZE);
+
+ /* If the adapter was left active for some reason (like kexec)
+ * try freeing and re-registering
+ */
+ if (err == H_RESOURCE) {
+ do {
+ err = h_free_crq(vport->dma_dev->unit_address);
+ } while (err == H_BUSY || H_IS_LONG_BUSY(err));
+
+ err = h_reg_crq(vport->dma_dev->unit_address, queue->msg_token,
+ PAGE_SIZE);
+ }
+
+ if (err != H_SUCCESS && err != 2) {
+ eprintk("Error 0x%x opening virtual adapter\n", err);
+ goto reg_crq_failed;
+ }
+
+ err = request_irq(vport->dma_dev->irq, &ibmvstgt_interrupt,
+ SA_INTERRUPT, "ibmvstgt", target);
+ if (err)
+ goto req_irq_failed;
+
+ vio_enable_interrupts(vport->dma_dev);
+
+ h_send_crq(vport->dma_dev->unit_address, 0xC001000000000000, 0);
+
+ queue->cur = 0;
+ spin_lock_init(&queue->lock);
+
+ return 0;
+
+req_irq_failed:
+ do {
+ err = h_free_crq(vport->dma_dev->unit_address);
+ } while (err == H_BUSY || H_IS_LONG_BUSY(err));
+
+reg_crq_failed:
+ dma_unmap_single(target->dev, queue->msg_token,
+ queue->size * sizeof(*queue->msgs), DMA_BIDIRECTIONAL);
+map_failed:
+ free_page((unsigned long) queue->msgs);
+
+malloc_failed:
+ return -ENOMEM;
+}
+
+static void crq_queue_destroy(struct srp_target *target)
+{
+ struct vio_port *vport = target_to_port(target);
+ struct crq_queue *queue = &vport->crq_queue;
+ int err;
+
+ free_irq(vport->dma_dev->irq, target);
+ do {
+ err = h_free_crq(vport->dma_dev->unit_address);
+ } while (err == H_BUSY || H_IS_LONG_BUSY(err));
+
+ dma_unmap_single(target->dev, queue->msg_token,
+ queue->size * sizeof(*queue->msgs), DMA_BIDIRECTIONAL);
+
+ free_page((unsigned long) queue->msgs);
+}
+
+static void process_crq(struct viosrp_crq *crq, struct srp_target *target)
+{
+ struct vio_port *vport = target_to_port(target);
+ dprintk("%x %x\n", crq->valid, crq->format);
+
+ switch (crq->valid) {
+ case 0xC0:
+ /* initialization */
+ switch (crq->format) {
+ case 0x01:
+ h_send_crq(vport->dma_dev->unit_address,
+ 0xC002000000000000, 0);
+ break;
+ case 0x02:
+ break;
+ default:
+ eprintk("Unknown format %u\n", crq->format);
+ }
+ break;
+ case 0xFF:
+ /* transport event */
+ break;
+ case 0x80:
+ /* real payload */
+ switch (crq->format) {
+ case VIOSRP_SRP_FORMAT:
+ case VIOSRP_MAD_FORMAT:
+ process_iu(crq, target);
+ break;
+ case VIOSRP_OS400_FORMAT:
+ case VIOSRP_AIX_FORMAT:
+ case VIOSRP_LINUX_FORMAT:
+ case VIOSRP_INLINE_FORMAT:
+ eprintk("Unsupported format %u\n", crq->format);
+ break;
+ default:
+ eprintk("Unknown format %u\n", crq->format);
+ }
+ break;
+ default:
+ eprintk("unknown message type 0x%02x!?\n", crq->valid);
+ }
+}
+
+static inline struct viosrp_crq *next_crq(struct crq_queue *queue)
+{
+ struct viosrp_crq *crq;
+ unsigned long flags;
+
+ spin_lock_irqsave(&queue->lock, flags);
+ crq = &queue->msgs[queue->cur];
+ if (crq->valid & 0x80) {
+ if (++queue->cur == queue->size)
+ queue->cur = 0;
+ } else
+ crq = NULL;
+ spin_unlock_irqrestore(&queue->lock, flags);
+
+ return crq;
+}
+
+static void handle_crq(void *data)
+{
+ struct srp_target *target = (struct srp_target *) data;
+ struct vio_port *vport = target_to_port(target);
+ struct viosrp_crq *crq;
+ int done = 0;
+
+ while (!done) {
+ while ((crq = next_crq(&vport->crq_queue)) != NULL) {
+ process_crq(crq, target);
+ crq->valid = 0x00;
+ }
+
+ vio_enable_interrupts(vport->dma_dev);
+
+ crq = next_crq(&vport->crq_queue);
+ if (crq) {
+ vio_disable_interrupts(vport->dma_dev);
+ process_crq(crq, target);
+ crq->valid = 0x00;
+ } else
+ done = 1;
+ }
+
+ handle_cmd_queue(target);
+}
+
+
+static int ibmvstgt_eh_abort_handler(struct scsi_cmnd *sc)
+{
+ unsigned long flags;
+ struct iu_entry *iue = (struct iu_entry *) sc->SCp.ptr;
+ struct srp_target *target = iue->target;
+
+ dprintk("%p %p %x\n", iue, target, vio_iu(iue)->srp.cmd.cdb[0]);
+
+ spin_lock_irqsave(&target->lock, flags);
+ list_del(&iue->ilist);
+ spin_unlock_irqrestore(&target->lock, flags);
+
+ srp_iu_put(iue);
+
+ return 0;
+}
+
+static int ibmvstgt_tsk_mgmt_response(u64 mid, int result)
+{
+ struct iu_entry *iue = (struct iu_entry *) ((void *) mid);
+ union viosrp_iu *iu = vio_iu(iue);
+ unsigned char status, asc;
+
+ eprintk("%p %d\n", iue, result);
+ status = NO_SENSE;
+ asc = 0;
+
+ switch (iu->srp.tsk_mgmt.tsk_mgmt_func) {
+ case SRP_TSK_ABORT_TASK:
+ asc = 0x14;
+ if (result)
+ status = ABORTED_COMMAND;
+ break;
+ default:
+ break;
+ }
+
+ send_rsp(iue, NULL, status, asc);
+ srp_iu_put(iue);
+
+ return 0;
+}
+
+static ssize_t system_id_show(struct class_device *cdev, char *buf)
+{
+ return snprintf(buf, PAGE_SIZE, "%s\n", system_id);
+}
+
+static ssize_t partition_number_show(struct class_device *cdev, char *buf)
+{
+ return snprintf(buf, PAGE_SIZE, "%x\n", partition_number);
+}
+
+static ssize_t unit_address_show(struct class_device *cdev, char *buf)
+{
+ struct Scsi_Host *shost = class_to_shost(cdev);
+ struct srp_target *target = host_to_srp_target(shost);
+ struct vio_port *vport = target_to_port(target);
+ return snprintf(buf, PAGE_SIZE, "%x\n", vport->dma_dev->unit_address);
+}
+
+static CLASS_DEVICE_ATTR(system_id, S_IRUGO, system_id_show, NULL);
+static CLASS_DEVICE_ATTR(partition_number, S_IRUGO, partition_number_show, NULL);
+static CLASS_DEVICE_ATTR(unit_address, S_IRUGO, unit_address_show, NULL);
+
+static struct class_device_attribute *ibmvstgt_attrs[] = {
+ &class_device_attr_system_id,
+ &class_device_attr_partition_number,
+ &class_device_attr_unit_address,
+ NULL,
+};
+
+static struct scsi_host_template ibmvstgt_sht = {
+ .name = TGT_NAME,
+ .module = THIS_MODULE,
+ .can_queue = INITIAL_SRP_LIMIT,
+ .sg_tablesize = SG_ALL,
+ .use_clustering = DISABLE_CLUSTERING,
+ .max_sectors = DEFAULT_MAX_SECTORS,
+ .transfer_response = ibmvstgt_cmd_done,
+ .transfer_data = ibmvstgt_transfer_data,
+ .eh_abort_handler = ibmvstgt_eh_abort_handler,
+ .tsk_mgmt_response = ibmvstgt_tsk_mgmt_response,
+ .shost_attrs = ibmvstgt_attrs,
+ .proc_name = TGT_NAME,
+};
+
+static int ibmvstgt_probe(struct vio_dev *dev, const struct vio_device_id *id)
+{
+ struct Scsi_Host *shost;
+ struct srp_target *target;
+ struct vio_port *vport;
+ unsigned int *dma, dma_size;
+ int err = -ENOMEM;
+
+ vport = kzalloc(sizeof(struct vio_port), GFP_KERNEL);
+ if (!vport)
+ return err;
+ shost = scsi_host_alloc(&ibmvstgt_sht, sizeof(struct srp_target));
+ if (!shost)
+ goto free_vport;
+ err = scsi_tgt_alloc_queue(shost);
+ if (err)
+ goto put_host;
+
+ target = host_to_srp_target(shost);
+ target->shost = shost;
+ vport->dma_dev = dev;
+ target->ldata = vport;
+ err = srp_target_alloc(target, &dev->dev, INITIAL_SRP_LIMIT,
+ SRP_MAX_IU_LEN);
+ if (err)
+ goto put_host;
+
+ dma = (unsigned int *) vio_get_attribute(dev, "ibm,my-dma-window",
+ &dma_size);
+ if (!dma || dma_size != 40) {
+ eprintk("Couldn't get window property %d\n", dma_size);
+ err = -EIO;
+ goto free_srp_target;
+ }
+ vport->liobn = dma[0];
+ vport->riobn = dma[5];
+
+ INIT_WORK(&vport->crq_work, handle_crq, target);
+
+ err = crq_queue_create(&vport->crq_queue, target);
+ if (err)
+ goto free_srp_target;
+
+ err = scsi_add_host(shost, target->dev);
+ if (err)
+ goto destroy_queue;
+ return 0;
+
+destroy_queue:
+ crq_queue_destroy(target);
+free_srp_target:
+ srp_target_free(target);
+put_host:
+ scsi_host_put(shost);
+free_vport:
+ kfree(vport);
+ return err;
+}
+
+static int ibmvstgt_remove(struct vio_dev *dev)
+{
+ struct srp_target *target = (struct srp_target *) dev->dev.driver_data;
+ struct Scsi_Host *shost = target->shost;
+ struct vio_port *vport = target->ldata;
+
+ crq_queue_destroy(target);
+ scsi_remove_host(shost);
+ scsi_tgt_free_queue(shost);
+ srp_target_free(target);
+ kfree(vport);
+ scsi_host_put(shost);
+ return 0;
+}
+
+static struct vio_device_id ibmvstgt_device_table[] __devinitdata = {
+ {"v-scsi-host", "IBM,v-scsi-host"},
+ {"",""}
+};
+
+MODULE_DEVICE_TABLE(vio, ibmvstgt_device_table);
+
+static struct vio_driver ibmvstgt_driver = {
+ .id_table = ibmvstgt_device_table,
+ .probe = ibmvstgt_probe,
+ .remove = ibmvstgt_remove,
+ .driver = {
+ .name = "ibmvscsis",
+ .owner = THIS_MODULE,
+ }
+};
+
+static int get_system_info(void)
+{
+ struct device_node *rootdn;
+ const char *id, *model, *name;
+ unsigned int *num;
+
+ rootdn = find_path_device("/");
+ if (!rootdn)
+ return -ENOENT;
+
+ model = get_property(rootdn, "model", NULL);
+ id = get_property(rootdn, "system-id", NULL);
+ if (model && id)
+ snprintf(system_id, sizeof(system_id), "%s-%s", model, id);
+
+ name = get_property(rootdn, "ibm,partition-name", NULL);
+ if (name)
+ strncpy(partition_name, name, sizeof(partition_name));
+
+ num = (unsigned int *) get_property(rootdn, "ibm,partition-no", NULL);
+ if (num)
+ partition_number = *num;
+
+ return 0;
+}
+
+static int ibmvstgt_init(void)
+{
+ int err = -ENOMEM;
+
+ printk("IBM eServer i/pSeries Virtual SCSI Target Driver\n");
+
+ vtgtd = create_workqueue("ibmvtgtd");
+ if (!vtgtd)
+ return err;
+
+ err = get_system_info();
+ if (err)
+ goto destroy_wq;
+
+ err = vio_register_driver(&ibmvstgt_driver);
+ if (err)
+ goto destroy_wq;
+
+ return 0;
+
+destroy_wq:
+ destroy_workqueue(vtgtd);
+ return err;
+}
+
+static void ibmvstgt_exit(void)
+{
+ printk("Unregister IBM virtual SCSI driver\n");
+
+ destroy_workqueue(vtgtd);
+ vio_unregister_driver(&ibmvstgt_driver);
+}
+
+MODULE_DESCRIPTION("IBM Virtual SCSI Target");
+MODULE_AUTHOR("Santiago Leon");
+MODULE_LICENSE("GPL");
+
+module_init(ibmvstgt_init);
+module_exit(ibmvstgt_exit);
diff --git a/drivers/scsi/initio.c b/drivers/scsi/initio.c
index afed293dd7b..f160357e37a 100644
--- a/drivers/scsi/initio.c
+++ b/drivers/scsi/initio.c
@@ -170,7 +170,7 @@ static int setup_debug = 0;
static void i91uSCBPost(BYTE * pHcb, BYTE * pScb);
/* PCI Devices supported by this driver */
-static struct pci_device_id i91u_pci_devices[] __devinitdata = {
+static struct pci_device_id i91u_pci_devices[] = {
{ PCI_VENDOR_ID_INIT, I950_DEVICE_ID, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
{ PCI_VENDOR_ID_INIT, I940_DEVICE_ID, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
{ PCI_VENDOR_ID_INIT, I935_DEVICE_ID, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index 2dde821025f..2d83fbb806a 100644
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -79,7 +79,6 @@
#include <scsi/scsi_tcq.h>
#include <scsi/scsi_eh.h>
#include <scsi/scsi_cmnd.h>
-#include <scsi/scsi_transport.h>
#include "ipr.h"
/*
@@ -98,7 +97,7 @@ static DEFINE_SPINLOCK(ipr_driver_lock);
/* This table describes the differences between DMA controller chips */
static const struct ipr_chip_cfg_t ipr_chip_cfg[] = {
- { /* Gemstone, Citrine, and Obsidian */
+ { /* Gemstone, Citrine, Obsidian, and Obsidian-E */
.mailbox = 0x0042C,
.cache_line_size = 0x20,
{
@@ -135,6 +134,7 @@ static const struct ipr_chip_t ipr_chip[] = {
{ PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CITRINE, &ipr_chip_cfg[0] },
{ PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_OBSIDIAN, &ipr_chip_cfg[0] },
{ PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN, &ipr_chip_cfg[0] },
+ { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN_E, &ipr_chip_cfg[0] },
{ PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_SNIPE, &ipr_chip_cfg[1] },
{ PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_SCAMP, &ipr_chip_cfg[1] }
};
@@ -1249,19 +1249,23 @@ static void ipr_log_array_error(struct ipr_ioa_cfg *ioa_cfg,
/**
* ipr_log_hex_data - Log additional hex IOA error data.
+ * @ioa_cfg: ioa config struct
* @data: IOA error data
* @len: data length
*
* Return value:
* none
**/
-static void ipr_log_hex_data(u32 *data, int len)
+static void ipr_log_hex_data(struct ipr_ioa_cfg *ioa_cfg, u32 *data, int len)
{
int i;
if (len == 0)
return;
+ if (ioa_cfg->log_level <= IPR_DEFAULT_LOG_LEVEL)
+ len = min_t(int, len, IPR_DEFAULT_MAX_ERROR_DUMP);
+
for (i = 0; i < len / 4; i += 4) {
ipr_err("%08X: %08X %08X %08X %08X\n", i*4,
be32_to_cpu(data[i]),
@@ -1290,7 +1294,7 @@ static void ipr_log_enhanced_dual_ioa_error(struct ipr_ioa_cfg *ioa_cfg,
ipr_err("%s\n", error->failure_reason);
ipr_err("Remote Adapter VPD:\n");
ipr_log_ext_vpd(&error->vpd);
- ipr_log_hex_data(error->data,
+ ipr_log_hex_data(ioa_cfg, error->data,
be32_to_cpu(hostrcb->hcam.length) -
(offsetof(struct ipr_hostrcb_error, u) +
offsetof(struct ipr_hostrcb_type_17_error, data)));
@@ -1315,12 +1319,225 @@ static void ipr_log_dual_ioa_error(struct ipr_ioa_cfg *ioa_cfg,
ipr_err("%s\n", error->failure_reason);
ipr_err("Remote Adapter VPD:\n");
ipr_log_vpd(&error->vpd);
- ipr_log_hex_data(error->data,
+ ipr_log_hex_data(ioa_cfg, error->data,
be32_to_cpu(hostrcb->hcam.length) -
(offsetof(struct ipr_hostrcb_error, u) +
offsetof(struct ipr_hostrcb_type_07_error, data)));
}
+static const struct {
+ u8 active;
+ char *desc;
+} path_active_desc[] = {
+ { IPR_PATH_NO_INFO, "Path" },
+ { IPR_PATH_ACTIVE, "Active path" },
+ { IPR_PATH_NOT_ACTIVE, "Inactive path" }
+};
+
+static const struct {
+ u8 state;
+ char *desc;
+} path_state_desc[] = {
+ { IPR_PATH_STATE_NO_INFO, "has no path state information available" },
+ { IPR_PATH_HEALTHY, "is healthy" },
+ { IPR_PATH_DEGRADED, "is degraded" },
+ { IPR_PATH_FAILED, "is failed" }
+};
+
+/**
+ * ipr_log_fabric_path - Log a fabric path error
+ * @hostrcb: hostrcb struct
+ * @fabric: fabric descriptor
+ *
+ * Return value:
+ * none
+ **/
+static void ipr_log_fabric_path(struct ipr_hostrcb *hostrcb,
+ struct ipr_hostrcb_fabric_desc *fabric)
+{
+ int i, j;
+ u8 path_state = fabric->path_state;
+ u8 active = path_state & IPR_PATH_ACTIVE_MASK;
+ u8 state = path_state & IPR_PATH_STATE_MASK;
+
+ for (i = 0; i < ARRAY_SIZE(path_active_desc); i++) {
+ if (path_active_desc[i].active != active)
+ continue;
+
+ for (j = 0; j < ARRAY_SIZE(path_state_desc); j++) {
+ if (path_state_desc[j].state != state)
+ continue;
+
+ if (fabric->cascaded_expander == 0xff && fabric->phy == 0xff) {
+ ipr_hcam_err(hostrcb, "%s %s: IOA Port=%d\n",
+ path_active_desc[i].desc, path_state_desc[j].desc,
+ fabric->ioa_port);
+ } else if (fabric->cascaded_expander == 0xff) {
+ ipr_hcam_err(hostrcb, "%s %s: IOA Port=%d, Phy=%d\n",
+ path_active_desc[i].desc, path_state_desc[j].desc,
+ fabric->ioa_port, fabric->phy);
+ } else if (fabric->phy == 0xff) {
+ ipr_hcam_err(hostrcb, "%s %s: IOA Port=%d, Cascade=%d\n",
+ path_active_desc[i].desc, path_state_desc[j].desc,
+ fabric->ioa_port, fabric->cascaded_expander);
+ } else {
+ ipr_hcam_err(hostrcb, "%s %s: IOA Port=%d, Cascade=%d, Phy=%d\n",
+ path_active_desc[i].desc, path_state_desc[j].desc,
+ fabric->ioa_port, fabric->cascaded_expander, fabric->phy);
+ }
+ return;
+ }
+ }
+
+ ipr_err("Path state=%02X IOA Port=%d Cascade=%d Phy=%d\n", path_state,
+ fabric->ioa_port, fabric->cascaded_expander, fabric->phy);
+}
+
+static const struct {
+ u8 type;
+ char *desc;
+} path_type_desc[] = {
+ { IPR_PATH_CFG_IOA_PORT, "IOA port" },
+ { IPR_PATH_CFG_EXP_PORT, "Expander port" },
+ { IPR_PATH_CFG_DEVICE_PORT, "Device port" },
+ { IPR_PATH_CFG_DEVICE_LUN, "Device LUN" }
+};
+
+static const struct {
+ u8 status;
+ char *desc;
+} path_status_desc[] = {
+ { IPR_PATH_CFG_NO_PROB, "Functional" },
+ { IPR_PATH_CFG_DEGRADED, "Degraded" },
+ { IPR_PATH_CFG_FAILED, "Failed" },
+ { IPR_PATH_CFG_SUSPECT, "Suspect" },
+ { IPR_PATH_NOT_DETECTED, "Missing" },
+ { IPR_PATH_INCORRECT_CONN, "Incorrectly connected" }
+};
+
+static const char *link_rate[] = {
+ "unknown",
+ "disabled",
+ "phy reset problem",
+ "spinup hold",
+ "port selector",
+ "unknown",
+ "unknown",
+ "unknown",
+ "1.5Gbps",
+ "3.0Gbps",
+ "unknown",
+ "unknown",
+ "unknown",
+ "unknown",
+ "unknown",
+ "unknown"
+};
+
+/**
+ * ipr_log_path_elem - Log a fabric path element.
+ * @hostrcb: hostrcb struct
+ * @cfg: fabric path element struct
+ *
+ * Return value:
+ * none
+ **/
+static void ipr_log_path_elem(struct ipr_hostrcb *hostrcb,
+ struct ipr_hostrcb_config_element *cfg)
+{
+ int i, j;
+ u8 type = cfg->type_status & IPR_PATH_CFG_TYPE_MASK;
+ u8 status = cfg->type_status & IPR_PATH_CFG_STATUS_MASK;
+
+ if (type == IPR_PATH_CFG_NOT_EXIST)
+ return;
+
+ for (i = 0; i < ARRAY_SIZE(path_type_desc); i++) {
+ if (path_type_desc[i].type != type)
+ continue;
+
+ for (j = 0; j < ARRAY_SIZE(path_status_desc); j++) {
+ if (path_status_desc[j].status != status)
+ continue;
+
+ if (type == IPR_PATH_CFG_IOA_PORT) {
+ ipr_hcam_err(hostrcb, "%s %s: Phy=%d, Link rate=%s, WWN=%08X%08X\n",
+ path_status_desc[j].desc, path_type_desc[i].desc,
+ cfg->phy, link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK],
+ be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1]));
+ } else {
+ if (cfg->cascaded_expander == 0xff && cfg->phy == 0xff) {
+ ipr_hcam_err(hostrcb, "%s %s: Link rate=%s, WWN=%08X%08X\n",
+ path_status_desc[j].desc, path_type_desc[i].desc,
+ link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK],
+ be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1]));
+ } else if (cfg->cascaded_expander == 0xff) {
+ ipr_hcam_err(hostrcb, "%s %s: Phy=%d, Link rate=%s, "
+ "WWN=%08X%08X\n", path_status_desc[j].desc,
+ path_type_desc[i].desc, cfg->phy,
+ link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK],
+ be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1]));
+ } else if (cfg->phy == 0xff) {
+ ipr_hcam_err(hostrcb, "%s %s: Cascade=%d, Link rate=%s, "
+ "WWN=%08X%08X\n", path_status_desc[j].desc,
+ path_type_desc[i].desc, cfg->cascaded_expander,
+ link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK],
+ be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1]));
+ } else {
+ ipr_hcam_err(hostrcb, "%s %s: Cascade=%d, Phy=%d, Link rate=%s "
+ "WWN=%08X%08X\n", path_status_desc[j].desc,
+ path_type_desc[i].desc, cfg->cascaded_expander, cfg->phy,
+ link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK],
+ be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1]));
+ }
+ }
+ return;
+ }
+ }
+
+ ipr_hcam_err(hostrcb, "Path element=%02X: Cascade=%d Phy=%d Link rate=%s "
+ "WWN=%08X%08X\n", cfg->type_status, cfg->cascaded_expander, cfg->phy,
+ link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK],
+ be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1]));
+}
+
+/**
+ * ipr_log_fabric_error - Log a fabric error.
+ * @ioa_cfg: ioa config struct
+ * @hostrcb: hostrcb struct
+ *
+ * Return value:
+ * none
+ **/
+static void ipr_log_fabric_error(struct ipr_ioa_cfg *ioa_cfg,
+ struct ipr_hostrcb *hostrcb)
+{
+ struct ipr_hostrcb_type_20_error *error;
+ struct ipr_hostrcb_fabric_desc *fabric;
+ struct ipr_hostrcb_config_element *cfg;
+ int i, add_len;
+
+ error = &hostrcb->hcam.u.error.u.type_20_error;
+ error->failure_reason[sizeof(error->failure_reason) - 1] = '\0';
+ ipr_hcam_err(hostrcb, "%s\n", error->failure_reason);
+
+ add_len = be32_to_cpu(hostrcb->hcam.length) -
+ (offsetof(struct ipr_hostrcb_error, u) +
+ offsetof(struct ipr_hostrcb_type_20_error, desc));
+
+ for (i = 0, fabric = error->desc; i < error->num_entries; i++) {
+ ipr_log_fabric_path(hostrcb, fabric);
+ for_each_fabric_cfg(fabric, cfg)
+ ipr_log_path_elem(hostrcb, cfg);
+
+ add_len -= be16_to_cpu(fabric->length);
+ fabric = (struct ipr_hostrcb_fabric_desc *)
+ ((unsigned long)fabric + be16_to_cpu(fabric->length));
+ }
+
+ ipr_log_hex_data(ioa_cfg, (u32 *)fabric, add_len);
+}
+
/**
* ipr_log_generic_error - Log an adapter error.
* @ioa_cfg: ioa config struct
@@ -1332,7 +1549,7 @@ static void ipr_log_dual_ioa_error(struct ipr_ioa_cfg *ioa_cfg,
static void ipr_log_generic_error(struct ipr_ioa_cfg *ioa_cfg,
struct ipr_hostrcb *hostrcb)
{
- ipr_log_hex_data(hostrcb->hcam.u.raw.data,
+ ipr_log_hex_data(ioa_cfg, hostrcb->hcam.u.raw.data,
be32_to_cpu(hostrcb->hcam.length));
}
@@ -1394,13 +1611,7 @@ static void ipr_handle_log_data(struct ipr_ioa_cfg *ioa_cfg,
if (!ipr_error_table[error_index].log_hcam)
return;
- if (ipr_is_device(&hostrcb->hcam.u.error.failing_dev_res_addr)) {
- ipr_ra_err(ioa_cfg, hostrcb->hcam.u.error.failing_dev_res_addr,
- "%s\n", ipr_error_table[error_index].error);
- } else {
- dev_err(&ioa_cfg->pdev->dev, "%s\n",
- ipr_error_table[error_index].error);
- }
+ ipr_hcam_err(hostrcb, "%s\n", ipr_error_table[error_index].error);
/* Set indication we have logged an error */
ioa_cfg->errors_logged++;
@@ -1437,6 +1648,9 @@ static void ipr_handle_log_data(struct ipr_ioa_cfg *ioa_cfg,
case IPR_HOST_RCB_OVERLAY_ID_17:
ipr_log_enhanced_dual_ioa_error(ioa_cfg, hostrcb);
break;
+ case IPR_HOST_RCB_OVERLAY_ID_20:
+ ipr_log_fabric_error(ioa_cfg, hostrcb);
+ break;
case IPR_HOST_RCB_OVERLAY_ID_1:
case IPR_HOST_RCB_OVERLAY_ID_DEFAULT:
default:
@@ -2969,7 +3183,6 @@ static int ipr_alloc_dump(struct ipr_ioa_cfg *ioa_cfg)
struct ipr_dump *dump;
unsigned long lock_flags = 0;
- ENTER;
dump = kzalloc(sizeof(struct ipr_dump), GFP_KERNEL);
if (!dump) {
@@ -2996,7 +3209,6 @@ static int ipr_alloc_dump(struct ipr_ioa_cfg *ioa_cfg)
}
spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags);
- LEAVE;
return 0;
}
@@ -3573,6 +3785,12 @@ static int ipr_sata_reset(struct ata_port *ap, unsigned int *classes)
ENTER;
spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags);
+ while(ioa_cfg->in_reset_reload) {
+ spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags);
+ wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload);
+ spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags);
+ }
+
res = sata_port->res;
if (res) {
rc = ipr_device_reset(ioa_cfg, res);
@@ -3636,6 +3854,10 @@ static int __ipr_eh_dev_reset(struct scsi_cmnd * scsi_cmd)
if (ipr_cmd->ioarcb.res_handle == res->cfgte.res_handle) {
if (ipr_cmd->scsi_cmd)
ipr_cmd->done = ipr_scsi_eh_done;
+ if (ipr_cmd->qc && !(ipr_cmd->qc->flags & ATA_QCFLAG_FAILED)) {
+ ipr_cmd->qc->err_mask |= AC_ERR_TIMEOUT;
+ ipr_cmd->qc->flags |= ATA_QCFLAG_FAILED;
+ }
}
}
@@ -3770,7 +3992,7 @@ static int ipr_cancel_op(struct scsi_cmnd * scsi_cmd)
*/
if (ioa_cfg->in_reset_reload || ioa_cfg->ioa_is_dead)
return FAILED;
- if (!res || (!ipr_is_gscsi(res) && !ipr_is_vset_device(res)))
+ if (!res || !ipr_is_gscsi(res))
return FAILED;
list_for_each_entry(ipr_cmd, &ioa_cfg->pending_q, queue) {
@@ -4615,7 +4837,7 @@ static int ipr_queuecommand(struct scsi_cmnd *scsi_cmd,
* Return value:
* 0 on success / other on failure
**/
-int ipr_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
+static int ipr_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
{
struct ipr_resource_entry *res;
@@ -4648,40 +4870,6 @@ static const char * ipr_ioa_info(struct Scsi_Host *host)
return buffer;
}
-/**
- * ipr_scsi_timed_out - Handle scsi command timeout
- * @scsi_cmd: scsi command struct
- *
- * Return value:
- * EH_NOT_HANDLED
- **/
-enum scsi_eh_timer_return ipr_scsi_timed_out(struct scsi_cmnd *scsi_cmd)
-{
- struct ipr_ioa_cfg *ioa_cfg;
- struct ipr_cmnd *ipr_cmd;
- unsigned long flags;
-
- ENTER;
- spin_lock_irqsave(scsi_cmd->device->host->host_lock, flags);
- ioa_cfg = (struct ipr_ioa_cfg *)scsi_cmd->device->host->hostdata;
-
- list_for_each_entry(ipr_cmd, &ioa_cfg->pending_q, queue) {
- if (ipr_cmd->qc && ipr_cmd->qc->scsicmd == scsi_cmd) {
- ipr_cmd->qc->err_mask |= AC_ERR_TIMEOUT;
- ipr_cmd->qc->flags |= ATA_QCFLAG_FAILED;
- break;
- }
- }
-
- spin_unlock_irqrestore(scsi_cmd->device->host->host_lock, flags);
- LEAVE;
- return EH_NOT_HANDLED;
-}
-
-static struct scsi_transport_template ipr_transport_template = {
- .eh_timed_out = ipr_scsi_timed_out
-};
-
static struct scsi_host_template driver_template = {
.module = THIS_MODULE,
.name = "IPR",
@@ -4776,6 +4964,12 @@ static void ipr_ata_post_internal(struct ata_queued_cmd *qc)
unsigned long flags;
spin_lock_irqsave(ioa_cfg->host->host_lock, flags);
+ while(ioa_cfg->in_reset_reload) {
+ spin_unlock_irqrestore(ioa_cfg->host->host_lock, flags);
+ wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload);
+ spin_lock_irqsave(ioa_cfg->host->host_lock, flags);
+ }
+
list_for_each_entry(ipr_cmd, &ioa_cfg->pending_q, queue) {
if (ipr_cmd->qc == qc) {
ipr_device_reset(ioa_cfg, sata_port->res);
@@ -6832,6 +7026,7 @@ static int __devinit ipr_alloc_mem(struct ipr_ioa_cfg *ioa_cfg)
ioa_cfg->hostrcb[i]->hostrcb_dma =
ioa_cfg->hostrcb_dma[i] + offsetof(struct ipr_hostrcb, hcam);
+ ioa_cfg->hostrcb[i]->ioa_cfg = ioa_cfg;
list_add_tail(&ioa_cfg->hostrcb[i]->queue, &ioa_cfg->hostrcb_free_q);
}
@@ -7017,7 +7212,6 @@ static int __devinit ipr_probe_ioa(struct pci_dev *pdev,
ioa_cfg = (struct ipr_ioa_cfg *)host->hostdata;
memset(ioa_cfg, 0, sizeof(struct ipr_ioa_cfg));
- host->transportt = &ipr_transport_template;
ata_host_init(&ioa_cfg->ata_host, &pdev->dev,
sata_port_info.flags, &ipr_sata_ops);
@@ -7351,12 +7545,24 @@ static struct pci_device_id ipr_pci_table[] __devinitdata = {
{ PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_OBSIDIAN,
PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572B,
0, 0, (kernel_ulong_t)&ipr_chip_cfg[0] },
+ { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_OBSIDIAN,
+ PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_575C,
+ 0, 0, (kernel_ulong_t)&ipr_chip_cfg[0] },
{ PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN,
PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572A,
0, 0, (kernel_ulong_t)&ipr_chip_cfg[0] },
{ PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN,
PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572B,
0, 0, (kernel_ulong_t)&ipr_chip_cfg[0] },
+ { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN,
+ PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_575C,
+ 0, 0, (kernel_ulong_t)&ipr_chip_cfg[0] },
+ { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN,
+ PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57B8,
+ 0, 0, (kernel_ulong_t)&ipr_chip_cfg[0] },
+ { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN_E,
+ PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57B7,
+ 0, 0, (kernel_ulong_t)&ipr_chip_cfg[0] },
{ PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_SNIPE,
PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_2780,
0, 0, (kernel_ulong_t)&ipr_chip_cfg[1] },
@@ -7366,6 +7572,9 @@ static struct pci_device_id ipr_pci_table[] __devinitdata = {
{ PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_SCAMP,
PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_571F,
0, 0, (kernel_ulong_t)&ipr_chip_cfg[1] },
+ { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_SCAMP,
+ PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572F,
+ 0, 0, (kernel_ulong_t)&ipr_chip_cfg[1] },
{ }
};
MODULE_DEVICE_TABLE(pci, ipr_pci_table);
diff --git a/drivers/scsi/ipr.h b/drivers/scsi/ipr.h
index 6d035283af0..9f62a1d4d51 100644
--- a/drivers/scsi/ipr.h
+++ b/drivers/scsi/ipr.h
@@ -37,8 +37,8 @@
/*
* Literals
*/
-#define IPR_DRIVER_VERSION "2.2.0"
-#define IPR_DRIVER_DATE "(September 25, 2006)"
+#define IPR_DRIVER_VERSION "2.3.0"
+#define IPR_DRIVER_DATE "(November 8, 2006)"
/*
* IPR_MAX_CMD_PER_LUN: This defines the maximum number of outstanding
@@ -54,6 +54,8 @@
*/
#define IPR_NUM_BASE_CMD_BLKS 100
+#define PCI_DEVICE_ID_IBM_OBSIDIAN_E 0x0339
+
#define IPR_SUBS_DEV_ID_2780 0x0264
#define IPR_SUBS_DEV_ID_5702 0x0266
#define IPR_SUBS_DEV_ID_5703 0x0278
@@ -66,7 +68,11 @@
#define IPR_SUBS_DEV_ID_571F 0x02D5
#define IPR_SUBS_DEV_ID_572A 0x02C1
#define IPR_SUBS_DEV_ID_572B 0x02C2
+#define IPR_SUBS_DEV_ID_572F 0x02C3
#define IPR_SUBS_DEV_ID_575B 0x030D
+#define IPR_SUBS_DEV_ID_575C 0x0338
+#define IPR_SUBS_DEV_ID_57B7 0x0360
+#define IPR_SUBS_DEV_ID_57B8 0x02C2
#define IPR_NAME "ipr"
@@ -98,6 +104,7 @@
#define IPR_IOASC_IOA_WAS_RESET 0x10000001
#define IPR_IOASC_PCI_ACCESS_ERROR 0x10000002
+#define IPR_DEFAULT_MAX_ERROR_DUMP 984
#define IPR_NUM_LOG_HCAMS 2
#define IPR_NUM_CFG_CHG_HCAMS 2
#define IPR_NUM_HCAMS (IPR_NUM_LOG_HCAMS + IPR_NUM_CFG_CHG_HCAMS)
@@ -731,6 +738,64 @@ struct ipr_hostrcb_type_17_error {
u32 data[476];
}__attribute__((packed, aligned (4)));
+struct ipr_hostrcb_config_element {
+ u8 type_status;
+#define IPR_PATH_CFG_TYPE_MASK 0xF0
+#define IPR_PATH_CFG_NOT_EXIST 0x00
+#define IPR_PATH_CFG_IOA_PORT 0x10
+#define IPR_PATH_CFG_EXP_PORT 0x20
+#define IPR_PATH_CFG_DEVICE_PORT 0x30
+#define IPR_PATH_CFG_DEVICE_LUN 0x40
+
+#define IPR_PATH_CFG_STATUS_MASK 0x0F
+#define IPR_PATH_CFG_NO_PROB 0x00
+#define IPR_PATH_CFG_DEGRADED 0x01
+#define IPR_PATH_CFG_FAILED 0x02
+#define IPR_PATH_CFG_SUSPECT 0x03
+#define IPR_PATH_NOT_DETECTED 0x04
+#define IPR_PATH_INCORRECT_CONN 0x05
+
+ u8 cascaded_expander;
+ u8 phy;
+ u8 link_rate;
+#define IPR_PHY_LINK_RATE_MASK 0x0F
+
+ __be32 wwid[2];
+}__attribute__((packed, aligned (4)));
+
+struct ipr_hostrcb_fabric_desc {
+ __be16 length;
+ u8 ioa_port;
+ u8 cascaded_expander;
+ u8 phy;
+ u8 path_state;
+#define IPR_PATH_ACTIVE_MASK 0xC0
+#define IPR_PATH_NO_INFO 0x00
+#define IPR_PATH_ACTIVE 0x40
+#define IPR_PATH_NOT_ACTIVE 0x80
+
+#define IPR_PATH_STATE_MASK 0x0F
+#define IPR_PATH_STATE_NO_INFO 0x00
+#define IPR_PATH_HEALTHY 0x01
+#define IPR_PATH_DEGRADED 0x02
+#define IPR_PATH_FAILED 0x03
+
+ __be16 num_entries;
+ struct ipr_hostrcb_config_element elem[1];
+}__attribute__((packed, aligned (4)));
+
+#define for_each_fabric_cfg(fabric, cfg) \
+ for (cfg = (fabric)->elem; \
+ cfg < ((fabric)->elem + be16_to_cpu((fabric)->num_entries)); \
+ cfg++)
+
+struct ipr_hostrcb_type_20_error {
+ u8 failure_reason[64];
+ u8 reserved[3];
+ u8 num_entries;
+ struct ipr_hostrcb_fabric_desc desc[1];
+}__attribute__((packed, aligned (4)));
+
struct ipr_hostrcb_error {
__be32 failing_dev_ioasc;
struct ipr_res_addr failing_dev_res_addr;
@@ -747,6 +812,7 @@ struct ipr_hostrcb_error {
struct ipr_hostrcb_type_13_error type_13_error;
struct ipr_hostrcb_type_14_error type_14_error;
struct ipr_hostrcb_type_17_error type_17_error;
+ struct ipr_hostrcb_type_20_error type_20_error;
} u;
}__attribute__((packed, aligned (4)));
@@ -786,6 +852,7 @@ struct ipr_hcam {
#define IPR_HOST_RCB_OVERLAY_ID_14 0x14
#define IPR_HOST_RCB_OVERLAY_ID_16 0x16
#define IPR_HOST_RCB_OVERLAY_ID_17 0x17
+#define IPR_HOST_RCB_OVERLAY_ID_20 0x20
#define IPR_HOST_RCB_OVERLAY_ID_DEFAULT 0xFF
u8 reserved1[3];
@@ -805,6 +872,7 @@ struct ipr_hostrcb {
struct ipr_hcam hcam;
dma_addr_t hostrcb_dma;
struct list_head queue;
+ struct ipr_ioa_cfg *ioa_cfg;
};
/* IPR smart dump table structures */
@@ -1283,6 +1351,17 @@ struct ipr_ucode_image_header {
} \
}
+#define ipr_hcam_err(hostrcb, fmt, ...) \
+{ \
+ if (ipr_is_device(&(hostrcb)->hcam.u.error.failing_dev_res_addr)) { \
+ ipr_ra_err((hostrcb)->ioa_cfg, \
+ (hostrcb)->hcam.u.error.failing_dev_res_addr, \
+ fmt, ##__VA_ARGS__); \
+ } else { \
+ dev_err(&(hostrcb)->ioa_cfg->pdev->dev, fmt, ##__VA_ARGS__); \
+ } \
+}
+
#define ipr_trace ipr_dbg("%s: %s: Line: %d\n",\
__FILE__, __FUNCTION__, __LINE__)
diff --git a/drivers/scsi/ips.c b/drivers/scsi/ips.c
index f06a06ae609..8b704f73055 100644
--- a/drivers/scsi/ips.c
+++ b/drivers/scsi/ips.c
@@ -5001,7 +5001,7 @@ ips_init_copperhead(ips_ha_t * ha)
break;
/* Delay for 1 Second */
- msleep(IPS_ONE_SEC);
+ MDELAY(IPS_ONE_SEC);
}
if (j >= 45)
@@ -5027,7 +5027,7 @@ ips_init_copperhead(ips_ha_t * ha)
break;
/* Delay for 1 Second */
- msleep(IPS_ONE_SEC);
+ MDELAY(IPS_ONE_SEC);
}
if (j >= 240)
@@ -5045,7 +5045,7 @@ ips_init_copperhead(ips_ha_t * ha)
break;
/* Delay for 1 Second */
- msleep(IPS_ONE_SEC);
+ MDELAY(IPS_ONE_SEC);
}
if (i >= 240)
@@ -5095,7 +5095,7 @@ ips_init_copperhead_memio(ips_ha_t * ha)
break;
/* Delay for 1 Second */
- msleep(IPS_ONE_SEC);
+ MDELAY(IPS_ONE_SEC);
}
if (j >= 45)
@@ -5121,7 +5121,7 @@ ips_init_copperhead_memio(ips_ha_t * ha)
break;
/* Delay for 1 Second */
- msleep(IPS_ONE_SEC);
+ MDELAY(IPS_ONE_SEC);
}
if (j >= 240)
@@ -5139,7 +5139,7 @@ ips_init_copperhead_memio(ips_ha_t * ha)
break;
/* Delay for 1 Second */
- msleep(IPS_ONE_SEC);
+ MDELAY(IPS_ONE_SEC);
}
if (i >= 240)
@@ -5191,7 +5191,7 @@ ips_init_morpheus(ips_ha_t * ha)
break;
/* Delay for 1 Second */
- msleep(IPS_ONE_SEC);
+ MDELAY(IPS_ONE_SEC);
}
if (i >= 45) {
@@ -5217,7 +5217,7 @@ ips_init_morpheus(ips_ha_t * ha)
if (Post != 0x4F00)
break;
/* Delay for 1 Second */
- msleep(IPS_ONE_SEC);
+ MDELAY(IPS_ONE_SEC);
}
if (i >= 120) {
@@ -5247,7 +5247,7 @@ ips_init_morpheus(ips_ha_t * ha)
break;
/* Delay for 1 Second */
- msleep(IPS_ONE_SEC);
+ MDELAY(IPS_ONE_SEC);
}
if (i >= 240) {
@@ -5307,12 +5307,12 @@ ips_reset_copperhead(ips_ha_t * ha)
outb(IPS_BIT_RST, ha->io_addr + IPS_REG_SCPR);
/* Delay for 1 Second */
- msleep(IPS_ONE_SEC);
+ MDELAY(IPS_ONE_SEC);
outb(0, ha->io_addr + IPS_REG_SCPR);
/* Delay for 1 Second */
- msleep(IPS_ONE_SEC);
+ MDELAY(IPS_ONE_SEC);
if ((*ha->func.init) (ha))
break;
@@ -5352,12 +5352,12 @@ ips_reset_copperhead_memio(ips_ha_t * ha)
writeb(IPS_BIT_RST, ha->mem_ptr + IPS_REG_SCPR);
/* Delay for 1 Second */
- msleep(IPS_ONE_SEC);
+ MDELAY(IPS_ONE_SEC);
writeb(0, ha->mem_ptr + IPS_REG_SCPR);
/* Delay for 1 Second */
- msleep(IPS_ONE_SEC);
+ MDELAY(IPS_ONE_SEC);
if ((*ha->func.init) (ha))
break;
@@ -5398,7 +5398,7 @@ ips_reset_morpheus(ips_ha_t * ha)
writel(0x80000000, ha->mem_ptr + IPS_REG_I960_IDR);
/* Delay for 5 Seconds */
- msleep(5 * IPS_ONE_SEC);
+ MDELAY(5 * IPS_ONE_SEC);
/* Do a PCI config read to wait for adapter */
pci_read_config_byte(ha->pcidev, 4, &junk);
diff --git a/drivers/scsi/ips.h b/drivers/scsi/ips.h
index 34680f3dd45..b726dcc424b 100644
--- a/drivers/scsi/ips.h
+++ b/drivers/scsi/ips.h
@@ -51,6 +51,7 @@
#define _IPS_H_
#include <linux/version.h>
+#include <linux/nmi.h>
#include <asm/uaccess.h>
#include <asm/io.h>
@@ -116,9 +117,11 @@
dev_printk(level , &((pcidev)->dev) , format , ## arg)
#endif
- #ifndef MDELAY
- #define MDELAY mdelay
- #endif
+ #define MDELAY(n) \
+ do { \
+ mdelay(n); \
+ touch_nmi_watchdog(); \
+ } while (0)
#ifndef min
#define min(x,y) ((x) < (y) ? x : y)
diff --git a/drivers/scsi/libsas/sas_expander.c b/drivers/scsi/libsas/sas_expander.c
index e34a9343549..d31e6fa466f 100644
--- a/drivers/scsi/libsas/sas_expander.c
+++ b/drivers/scsi/libsas/sas_expander.c
@@ -597,10 +597,15 @@ static struct domain_device *sas_ex_discover_end_dev(
child->iproto = phy->attached_iproto;
memcpy(child->sas_addr, phy->attached_sas_addr, SAS_ADDR_SIZE);
sas_hash_addr(child->hashed_sas_addr, child->sas_addr);
- phy->port = sas_port_alloc(&parent->rphy->dev, phy_id);
- BUG_ON(!phy->port);
- /* FIXME: better error handling*/
- BUG_ON(sas_port_add(phy->port) != 0);
+ if (!phy->port) {
+ phy->port = sas_port_alloc(&parent->rphy->dev, phy_id);
+ if (unlikely(!phy->port))
+ goto out_err;
+ if (unlikely(sas_port_add(phy->port) != 0)) {
+ sas_port_free(phy->port);
+ goto out_err;
+ }
+ }
sas_ex_get_linkrate(parent, child, phy);
if ((phy->attached_tproto & SAS_PROTO_STP) || phy->attached_sata_dev) {
@@ -615,8 +620,7 @@ static struct domain_device *sas_ex_discover_end_dev(
SAS_DPRINTK("report phy sata to %016llx:0x%x returned "
"0x%x\n", SAS_ADDR(parent->sas_addr),
phy_id, res);
- kfree(child);
- return NULL;
+ goto out_free;
}
memcpy(child->frame_rcvd, &child->sata_dev.rps_resp.rps.fis,
sizeof(struct dev_to_host_fis));
@@ -627,14 +631,14 @@ static struct domain_device *sas_ex_discover_end_dev(
"%016llx:0x%x returned 0x%x\n",
SAS_ADDR(child->sas_addr),
SAS_ADDR(parent->sas_addr), phy_id, res);
- kfree(child);
- return NULL;
+ goto out_free;
}
} else if (phy->attached_tproto & SAS_PROTO_SSP) {
child->dev_type = SAS_END_DEV;
rphy = sas_end_device_alloc(phy->port);
/* FIXME: error handling */
- BUG_ON(!rphy);
+ if (unlikely(!rphy))
+ goto out_free;
child->tproto = phy->attached_tproto;
sas_init_dev(child);
@@ -651,9 +655,7 @@ static struct domain_device *sas_ex_discover_end_dev(
"at %016llx:0x%x returned 0x%x\n",
SAS_ADDR(child->sas_addr),
SAS_ADDR(parent->sas_addr), phy_id, res);
- /* FIXME: this kfrees list elements without removing them */
- //kfree(child);
- return NULL;
+ goto out_list_del;
}
} else {
SAS_DPRINTK("target proto 0x%x at %016llx:0x%x not handled\n",
@@ -663,6 +665,16 @@ static struct domain_device *sas_ex_discover_end_dev(
list_add_tail(&child->siblings, &parent_ex->children);
return child;
+
+ out_list_del:
+ list_del(&child->dev_list_node);
+ sas_rphy_free(rphy);
+ out_free:
+ sas_port_delete(phy->port);
+ out_err:
+ phy->port = NULL;
+ kfree(child);
+ return NULL;
}
static struct domain_device *sas_ex_discover_expander(
diff --git a/drivers/scsi/libsas/sas_init.c b/drivers/scsi/libsas/sas_init.c
index c836a237fb7..0fb347b4b1a 100644
--- a/drivers/scsi/libsas/sas_init.c
+++ b/drivers/scsi/libsas/sas_init.c
@@ -112,6 +112,8 @@ int sas_register_ha(struct sas_ha_struct *sas_ha)
}
}
+ INIT_LIST_HEAD(&sas_ha->eh_done_q);
+
return 0;
Undo_ports:
@@ -142,7 +144,7 @@ static int sas_get_linkerrors(struct sas_phy *phy)
return sas_smp_get_phy_events(phy);
}
-static int sas_phy_reset(struct sas_phy *phy, int hard_reset)
+int sas_phy_reset(struct sas_phy *phy, int hard_reset)
{
int ret;
enum phy_func reset_type;
diff --git a/drivers/scsi/libsas/sas_scsi_host.c b/drivers/scsi/libsas/sas_scsi_host.c
index e46e79355b7..e064aac06b9 100644
--- a/drivers/scsi/libsas/sas_scsi_host.c
+++ b/drivers/scsi/libsas/sas_scsi_host.c
@@ -29,9 +29,11 @@
#include <scsi/scsi_device.h>
#include <scsi/scsi_tcq.h>
#include <scsi/scsi.h>
+#include <scsi/scsi_eh.h>
#include <scsi/scsi_transport.h>
#include <scsi/scsi_transport_sas.h>
#include "../scsi_sas_internal.h"
+#include "../scsi_transport_api.h"
#include <linux/err.h>
#include <linux/blkdev.h>
@@ -46,6 +48,7 @@ static void sas_scsi_task_done(struct sas_task *task)
{
struct task_status_struct *ts = &task->task_status;
struct scsi_cmnd *sc = task->uldd_task;
+ struct sas_ha_struct *sas_ha = SHOST_TO_SAS_HA(sc->device->host);
unsigned ts_flags = task->task_state_flags;
int hs = 0, stat = 0;
@@ -116,7 +119,7 @@ static void sas_scsi_task_done(struct sas_task *task)
sas_free_task(task);
/* This is very ugly but this is how SCSI Core works. */
if (ts_flags & SAS_TASK_STATE_ABORTED)
- scsi_finish_command(sc);
+ scsi_eh_finish_cmd(sc, &sas_ha->eh_done_q);
else
sc->scsi_done(sc);
}
@@ -307,6 +310,15 @@ static enum task_disposition sas_scsi_find_task(struct sas_task *task)
spin_unlock_irqrestore(&core->task_queue_lock, flags);
}
+ spin_lock_irqsave(&task->task_state_lock, flags);
+ if (task->task_state_flags & SAS_TASK_INITIATOR_ABORTED) {
+ spin_unlock_irqrestore(&task->task_state_lock, flags);
+ SAS_DPRINTK("%s: task 0x%p already aborted\n",
+ __FUNCTION__, task);
+ return TASK_IS_ABORTED;
+ }
+ spin_unlock_irqrestore(&task->task_state_lock, flags);
+
for (i = 0; i < 5; i++) {
SAS_DPRINTK("%s: aborting task 0x%p\n", __FUNCTION__, task);
res = si->dft->lldd_abort_task(task);
@@ -409,13 +421,16 @@ Again:
SAS_DPRINTK("going over list...\n");
list_for_each_entry_safe(cmd, n, &error_q, eh_entry) {
struct sas_task *task = TO_SAS_TASK(cmd);
+ list_del_init(&cmd->eh_entry);
+ if (!task) {
+ SAS_DPRINTK("%s: taskless cmd?!\n", __FUNCTION__);
+ continue;
+ }
SAS_DPRINTK("trying to find task 0x%p\n", task);
- list_del_init(&cmd->eh_entry);
res = sas_scsi_find_task(task);
cmd->eh_eflags = 0;
- shost->host_failed--;
switch (res) {
case TASK_IS_DONE:
@@ -491,6 +506,7 @@ Again:
}
}
out:
+ scsi_eh_flush_done_q(&ha->eh_done_q);
SAS_DPRINTK("--- Exit %s\n", __FUNCTION__);
return;
clear_q:
@@ -508,12 +524,18 @@ enum scsi_eh_timer_return sas_scsi_timed_out(struct scsi_cmnd *cmd)
unsigned long flags;
if (!task) {
- SAS_DPRINTK("command 0x%p, task 0x%p, timed out: EH_HANDLED\n",
+ SAS_DPRINTK("command 0x%p, task 0x%p, gone: EH_HANDLED\n",
cmd, task);
return EH_HANDLED;
}
spin_lock_irqsave(&task->task_state_lock, flags);
+ if (task->task_state_flags & SAS_TASK_INITIATOR_ABORTED) {
+ spin_unlock_irqrestore(&task->task_state_lock, flags);
+ SAS_DPRINTK("command 0x%p, task 0x%p, aborted by initiator: "
+ "EH_NOT_HANDLED\n", cmd, task);
+ return EH_NOT_HANDLED;
+ }
if (task->task_state_flags & SAS_TASK_STATE_DONE) {
spin_unlock_irqrestore(&task->task_state_lock, flags);
SAS_DPRINTK("command 0x%p, task 0x%p, timed out: EH_HANDLED\n",
@@ -777,6 +799,64 @@ void sas_shutdown_queue(struct sas_ha_struct *sas_ha)
spin_unlock_irqrestore(&core->task_queue_lock, flags);
}
+static int do_sas_task_abort(struct sas_task *task)
+{
+ struct scsi_cmnd *sc = task->uldd_task;
+ struct sas_internal *si =
+ to_sas_internal(task->dev->port->ha->core.shost->transportt);
+ unsigned long flags;
+ int res;
+
+ spin_lock_irqsave(&task->task_state_lock, flags);
+ if (task->task_state_flags & SAS_TASK_STATE_ABORTED) {
+ spin_unlock_irqrestore(&task->task_state_lock, flags);
+ SAS_DPRINTK("%s: Task %p already aborted.\n", __FUNCTION__,
+ task);
+ return 0;
+ }
+
+ task->task_state_flags |= SAS_TASK_INITIATOR_ABORTED;
+ if (!(task->task_state_flags & SAS_TASK_STATE_DONE))
+ task->task_state_flags |= SAS_TASK_STATE_ABORTED;
+ spin_unlock_irqrestore(&task->task_state_lock, flags);
+
+ if (!si->dft->lldd_abort_task)
+ return -ENODEV;
+
+ res = si->dft->lldd_abort_task(task);
+ if ((task->task_state_flags & SAS_TASK_STATE_DONE) ||
+ (res == TMF_RESP_FUNC_COMPLETE))
+ {
+ /* SMP commands don't have scsi_cmds(?) */
+ if (!sc) {
+ task->task_done(task);
+ return 0;
+ }
+ scsi_req_abort_cmd(sc);
+ scsi_schedule_eh(sc->device->host);
+ return 0;
+ }
+
+ spin_lock_irqsave(&task->task_state_lock, flags);
+ task->task_state_flags &= ~SAS_TASK_INITIATOR_ABORTED;
+ if (!(task->task_state_flags & SAS_TASK_STATE_DONE))
+ task->task_state_flags &= ~SAS_TASK_STATE_ABORTED;
+ spin_unlock_irqrestore(&task->task_state_lock, flags);
+
+ return -EAGAIN;
+}
+
+void sas_task_abort(struct sas_task *task)
+{
+ int i;
+
+ for (i = 0; i < 5; i++)
+ if (!do_sas_task_abort(task))
+ return;
+
+ SAS_DPRINTK("%s: Could not kill task!\n", __FUNCTION__);
+}
+
EXPORT_SYMBOL_GPL(sas_queuecommand);
EXPORT_SYMBOL_GPL(sas_target_alloc);
EXPORT_SYMBOL_GPL(sas_slave_configure);
@@ -784,3 +864,5 @@ EXPORT_SYMBOL_GPL(sas_slave_destroy);
EXPORT_SYMBOL_GPL(sas_change_queue_depth);
EXPORT_SYMBOL_GPL(sas_change_queue_type);
EXPORT_SYMBOL_GPL(sas_bios_param);
+EXPORT_SYMBOL_GPL(sas_task_abort);
+EXPORT_SYMBOL_GPL(sas_phy_reset);
diff --git a/drivers/scsi/libsrp.c b/drivers/scsi/libsrp.c
new file mode 100644
index 00000000000..89403b00e04
--- /dev/null
+++ b/drivers/scsi/libsrp.c
@@ -0,0 +1,441 @@
+/*
+ * SCSI RDAM Protocol lib functions
+ *
+ * Copyright (C) 2006 FUJITA Tomonori <tomof@acm.org>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ */
+#include <linux/err.h>
+#include <linux/kfifo.h>
+#include <linux/scatterlist.h>
+#include <linux/dma-mapping.h>
+#include <linux/pci.h>
+#include <scsi/scsi.h>
+#include <scsi/scsi_cmnd.h>
+#include <scsi/scsi_tcq.h>
+#include <scsi/scsi_tgt.h>
+#include <scsi/srp.h>
+#include <scsi/libsrp.h>
+
+enum srp_task_attributes {
+ SRP_SIMPLE_TASK = 0,
+ SRP_HEAD_TASK = 1,
+ SRP_ORDERED_TASK = 2,
+ SRP_ACA_TASK = 4
+};
+
+/* tmp - will replace with SCSI logging stuff */
+#define eprintk(fmt, args...) \
+do { \
+ printk("%s(%d) " fmt, __FUNCTION__, __LINE__, ##args); \
+} while (0)
+/* #define dprintk eprintk */
+#define dprintk(fmt, args...)
+
+static int srp_iu_pool_alloc(struct srp_queue *q, size_t max,
+ struct srp_buf **ring)
+{
+ int i;
+ struct iu_entry *iue;
+
+ q->pool = kcalloc(max, sizeof(struct iu_entry *), GFP_KERNEL);
+ if (!q->pool)
+ return -ENOMEM;
+ q->items = kcalloc(max, sizeof(struct iu_entry), GFP_KERNEL);
+ if (!q->items)
+ goto free_pool;
+
+ spin_lock_init(&q->lock);
+ q->queue = kfifo_init((void *) q->pool, max * sizeof(void *),
+ GFP_KERNEL, &q->lock);
+ if (IS_ERR(q->queue))
+ goto free_item;
+
+ for (i = 0, iue = q->items; i < max; i++) {
+ __kfifo_put(q->queue, (void *) &iue, sizeof(void *));
+ iue->sbuf = ring[i];
+ iue++;
+ }
+ return 0;
+
+free_item:
+ kfree(q->items);
+free_pool:
+ kfree(q->pool);
+ return -ENOMEM;
+}
+
+static void srp_iu_pool_free(struct srp_queue *q)
+{
+ kfree(q->items);
+ kfree(q->pool);
+}
+
+static struct srp_buf **srp_ring_alloc(struct device *dev,
+ size_t max, size_t size)
+{
+ int i;
+ struct srp_buf **ring;
+
+ ring = kcalloc(max, sizeof(struct srp_buf *), GFP_KERNEL);
+ if (!ring)
+ return NULL;
+
+ for (i = 0; i < max; i++) {
+ ring[i] = kzalloc(sizeof(struct srp_buf), GFP_KERNEL);
+ if (!ring[i])
+ goto out;
+ ring[i]->buf = dma_alloc_coherent(dev, size, &ring[i]->dma,
+ GFP_KERNEL);
+ if (!ring[i]->buf)
+ goto out;
+ }
+ return ring;
+
+out:
+ for (i = 0; i < max && ring[i]; i++) {
+ if (ring[i]->buf)
+ dma_free_coherent(dev, size, ring[i]->buf, ring[i]->dma);
+ kfree(ring[i]);
+ }
+ kfree(ring);
+
+ return NULL;
+}
+
+static void srp_ring_free(struct device *dev, struct srp_buf **ring, size_t max,
+ size_t size)
+{
+ int i;
+
+ for (i = 0; i < max; i++) {
+ dma_free_coherent(dev, size, ring[i]->buf, ring[i]->dma);
+ kfree(ring[i]);
+ }
+}
+
+int srp_target_alloc(struct srp_target *target, struct device *dev,
+ size_t nr, size_t iu_size)
+{
+ int err;
+
+ spin_lock_init(&target->lock);
+ INIT_LIST_HEAD(&target->cmd_queue);
+
+ target->dev = dev;
+ target->dev->driver_data = target;
+
+ target->srp_iu_size = iu_size;
+ target->rx_ring_size = nr;
+ target->rx_ring = srp_ring_alloc(target->dev, nr, iu_size);
+ if (!target->rx_ring)
+ return -ENOMEM;
+ err = srp_iu_pool_alloc(&target->iu_queue, nr, target->rx_ring);
+ if (err)
+ goto free_ring;
+
+ return 0;
+
+free_ring:
+ srp_ring_free(target->dev, target->rx_ring, nr, iu_size);
+ return -ENOMEM;
+}
+EXPORT_SYMBOL_GPL(srp_target_alloc);
+
+void srp_target_free(struct srp_target *target)
+{
+ srp_ring_free(target->dev, target->rx_ring, target->rx_ring_size,
+ target->srp_iu_size);
+ srp_iu_pool_free(&target->iu_queue);
+}
+EXPORT_SYMBOL_GPL(srp_target_free);
+
+struct iu_entry *srp_iu_get(struct srp_target *target)
+{
+ struct iu_entry *iue = NULL;
+
+ kfifo_get(target->iu_queue.queue, (void *) &iue, sizeof(void *));
+ if (!iue)
+ return iue;
+ iue->target = target;
+ INIT_LIST_HEAD(&iue->ilist);
+ iue->flags = 0;
+ return iue;
+}
+EXPORT_SYMBOL_GPL(srp_iu_get);
+
+void srp_iu_put(struct iu_entry *iue)
+{
+ kfifo_put(iue->target->iu_queue.queue, (void *) &iue, sizeof(void *));
+}
+EXPORT_SYMBOL_GPL(srp_iu_put);
+
+static int srp_direct_data(struct scsi_cmnd *sc, struct srp_direct_buf *md,
+ enum dma_data_direction dir, srp_rdma_t rdma_io,
+ int dma_map, int ext_desc)
+{
+ struct iu_entry *iue = NULL;
+ struct scatterlist *sg = NULL;
+ int err, nsg = 0, len;
+
+ if (dma_map) {
+ iue = (struct iu_entry *) sc->SCp.ptr;
+ sg = sc->request_buffer;
+
+ dprintk("%p %u %u %d\n", iue, sc->request_bufflen,
+ md->len, sc->use_sg);
+
+ nsg = dma_map_sg(iue->target->dev, sg, sc->use_sg,
+ DMA_BIDIRECTIONAL);
+ if (!nsg) {
+ printk("fail to map %p %d\n", iue, sc->use_sg);
+ return 0;
+ }
+ len = min(sc->request_bufflen, md->len);
+ } else
+ len = md->len;
+
+ err = rdma_io(sc, sg, nsg, md, 1, dir, len);
+
+ if (dma_map)
+ dma_unmap_sg(iue->target->dev, sg, nsg, DMA_BIDIRECTIONAL);
+
+ return err;
+}
+
+static int srp_indirect_data(struct scsi_cmnd *sc, struct srp_cmd *cmd,
+ struct srp_indirect_buf *id,
+ enum dma_data_direction dir, srp_rdma_t rdma_io,
+ int dma_map, int ext_desc)
+{
+ struct iu_entry *iue = NULL;
+ struct srp_direct_buf *md = NULL;
+ struct scatterlist dummy, *sg = NULL;
+ dma_addr_t token = 0;
+ long err;
+ unsigned int done = 0;
+ int nmd, nsg = 0, len;
+
+ if (dma_map || ext_desc) {
+ iue = (struct iu_entry *) sc->SCp.ptr;
+ sg = sc->request_buffer;
+
+ dprintk("%p %u %u %d %d\n",
+ iue, sc->request_bufflen, id->len,
+ cmd->data_in_desc_cnt, cmd->data_out_desc_cnt);
+ }
+
+ nmd = id->table_desc.len / sizeof(struct srp_direct_buf);
+
+ if ((dir == DMA_FROM_DEVICE && nmd == cmd->data_in_desc_cnt) ||
+ (dir == DMA_TO_DEVICE && nmd == cmd->data_out_desc_cnt)) {
+ md = &id->desc_list[0];
+ goto rdma;
+ }
+
+ if (ext_desc && dma_map) {
+ md = dma_alloc_coherent(iue->target->dev, id->table_desc.len,
+ &token, GFP_KERNEL);
+ if (!md) {
+ eprintk("Can't get dma memory %u\n", id->table_desc.len);
+ return -ENOMEM;
+ }
+
+ sg_init_one(&dummy, md, id->table_desc.len);
+ sg_dma_address(&dummy) = token;
+ err = rdma_io(sc, &dummy, 1, &id->table_desc, 1, DMA_TO_DEVICE,
+ id->table_desc.len);
+ if (err < 0) {
+ eprintk("Error copying indirect table %ld\n", err);
+ goto free_mem;
+ }
+ } else {
+ eprintk("This command uses external indirect buffer\n");
+ return -EINVAL;
+ }
+
+rdma:
+ if (dma_map) {
+ nsg = dma_map_sg(iue->target->dev, sg, sc->use_sg, DMA_BIDIRECTIONAL);
+ if (!nsg) {
+ eprintk("fail to map %p %d\n", iue, sc->use_sg);
+ goto free_mem;
+ }
+ len = min(sc->request_bufflen, id->len);
+ } else
+ len = id->len;
+
+ err = rdma_io(sc, sg, nsg, md, nmd, dir, len);
+
+ if (dma_map)
+ dma_unmap_sg(iue->target->dev, sg, nsg, DMA_BIDIRECTIONAL);
+
+free_mem:
+ if (token && dma_map)
+ dma_free_coherent(iue->target->dev, id->table_desc.len, md, token);
+
+ return done;
+}
+
+static int data_out_desc_size(struct srp_cmd *cmd)
+{
+ int size = 0;
+ u8 fmt = cmd->buf_fmt >> 4;
+
+ switch (fmt) {
+ case SRP_NO_DATA_DESC:
+ break;
+ case SRP_DATA_DESC_DIRECT:
+ size = sizeof(struct srp_direct_buf);
+ break;
+ case SRP_DATA_DESC_INDIRECT:
+ size = sizeof(struct srp_indirect_buf) +
+ sizeof(struct srp_direct_buf) * cmd->data_out_desc_cnt;
+ break;
+ default:
+ eprintk("client error. Invalid data_out_format %x\n", fmt);
+ break;
+ }
+ return size;
+}
+
+/*
+ * TODO: this can be called multiple times for a single command if it
+ * has very long data.
+ */
+int srp_transfer_data(struct scsi_cmnd *sc, struct srp_cmd *cmd,
+ srp_rdma_t rdma_io, int dma_map, int ext_desc)
+{
+ struct srp_direct_buf *md;
+ struct srp_indirect_buf *id;
+ enum dma_data_direction dir;
+ int offset, err = 0;
+ u8 format;
+
+ offset = cmd->add_cdb_len * 4;
+
+ dir = srp_cmd_direction(cmd);
+ if (dir == DMA_FROM_DEVICE)
+ offset += data_out_desc_size(cmd);
+
+ if (dir == DMA_TO_DEVICE)
+ format = cmd->buf_fmt >> 4;
+ else
+ format = cmd->buf_fmt & ((1U << 4) - 1);
+
+ switch (format) {
+ case SRP_NO_DATA_DESC:
+ break;
+ case SRP_DATA_DESC_DIRECT:
+ md = (struct srp_direct_buf *)
+ (cmd->add_data + offset);
+ err = srp_direct_data(sc, md, dir, rdma_io, dma_map, ext_desc);
+ break;
+ case SRP_DATA_DESC_INDIRECT:
+ id = (struct srp_indirect_buf *)
+ (cmd->add_data + offset);
+ err = srp_indirect_data(sc, cmd, id, dir, rdma_io, dma_map,
+ ext_desc);
+ break;
+ default:
+ eprintk("Unknown format %d %x\n", dir, format);
+ break;
+ }
+
+ return err;
+}
+EXPORT_SYMBOL_GPL(srp_transfer_data);
+
+static int vscsis_data_length(struct srp_cmd *cmd, enum dma_data_direction dir)
+{
+ struct srp_direct_buf *md;
+ struct srp_indirect_buf *id;
+ int len = 0, offset = cmd->add_cdb_len * 4;
+ u8 fmt;
+
+ if (dir == DMA_TO_DEVICE)
+ fmt = cmd->buf_fmt >> 4;
+ else {
+ fmt = cmd->buf_fmt & ((1U << 4) - 1);
+ offset += data_out_desc_size(cmd);
+ }
+
+ switch (fmt) {
+ case SRP_NO_DATA_DESC:
+ break;
+ case SRP_DATA_DESC_DIRECT:
+ md = (struct srp_direct_buf *) (cmd->add_data + offset);
+ len = md->len;
+ break;
+ case SRP_DATA_DESC_INDIRECT:
+ id = (struct srp_indirect_buf *) (cmd->add_data + offset);
+ len = id->len;
+ break;
+ default:
+ eprintk("invalid data format %x\n", fmt);
+ break;
+ }
+ return len;
+}
+
+int srp_cmd_queue(struct Scsi_Host *shost, struct srp_cmd *cmd, void *info,
+ u64 addr)
+{
+ enum dma_data_direction dir;
+ struct scsi_cmnd *sc;
+ int tag, len, err;
+
+ switch (cmd->task_attr) {
+ case SRP_SIMPLE_TASK:
+ tag = MSG_SIMPLE_TAG;
+ break;
+ case SRP_ORDERED_TASK:
+ tag = MSG_ORDERED_TAG;
+ break;
+ case SRP_HEAD_TASK:
+ tag = MSG_HEAD_TAG;
+ break;
+ default:
+ eprintk("Task attribute %d not supported\n", cmd->task_attr);
+ tag = MSG_ORDERED_TAG;
+ }
+
+ dir = srp_cmd_direction(cmd);
+ len = vscsis_data_length(cmd, dir);
+
+ dprintk("%p %x %lx %d %d %d %llx\n", info, cmd->cdb[0],
+ cmd->lun, dir, len, tag, (unsigned long long) cmd->tag);
+
+ sc = scsi_host_get_command(shost, dir, GFP_KERNEL);
+ if (!sc)
+ return -ENOMEM;
+
+ sc->SCp.ptr = info;
+ memcpy(sc->cmnd, cmd->cdb, MAX_COMMAND_SIZE);
+ sc->request_bufflen = len;
+ sc->request_buffer = (void *) (unsigned long) addr;
+ sc->tag = tag;
+ err = scsi_tgt_queue_command(sc, (struct scsi_lun *) &cmd->lun, cmd->tag);
+ if (err)
+ scsi_host_put_command(shost, sc);
+
+ return err;
+}
+EXPORT_SYMBOL_GPL(srp_cmd_queue);
+
+MODULE_DESCRIPTION("SCSI RDAM Protocol lib functions");
+MODULE_AUTHOR("FUJITA Tomonori");
+MODULE_LICENSE("GPL");
diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h
index 3f7f5f8abd7..a7de0bca5bd 100644
--- a/drivers/scsi/lpfc/lpfc.h
+++ b/drivers/scsi/lpfc/lpfc.h
@@ -296,13 +296,17 @@ struct lpfc_hba {
uint32_t cfg_cr_delay;
uint32_t cfg_cr_count;
uint32_t cfg_multi_ring_support;
+ uint32_t cfg_multi_ring_rctl;
+ uint32_t cfg_multi_ring_type;
uint32_t cfg_fdmi_on;
uint32_t cfg_discovery_threads;
uint32_t cfg_max_luns;
uint32_t cfg_poll;
uint32_t cfg_poll_tmo;
+ uint32_t cfg_use_msi;
uint32_t cfg_sg_seg_cnt;
uint32_t cfg_sg_dma_buf_size;
+ uint64_t cfg_soft_wwnn;
uint64_t cfg_soft_wwpn;
uint32_t dev_loss_tmo_changed;
@@ -355,7 +359,7 @@ struct lpfc_hba {
#define VPD_PORT 0x8 /* valid vpd port data */
#define VPD_MASK 0xf /* mask for any vpd data */
- uint8_t soft_wwpn_enable;
+ uint8_t soft_wwn_enable;
struct timer_list fcp_poll_timer;
struct timer_list els_tmofunc;
diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c
index 2a4e02e7a39..f247e786af9 100644
--- a/drivers/scsi/lpfc/lpfc_attr.c
+++ b/drivers/scsi/lpfc/lpfc_attr.c
@@ -552,10 +552,10 @@ static CLASS_DEVICE_ATTR(board_mode, S_IRUGO | S_IWUSR,
static CLASS_DEVICE_ATTR(issue_reset, S_IWUSR, NULL, lpfc_issue_reset);
-static char *lpfc_soft_wwpn_key = "C99G71SL8032A";
+static char *lpfc_soft_wwn_key = "C99G71SL8032A";
static ssize_t
-lpfc_soft_wwpn_enable_store(struct class_device *cdev, const char *buf,
+lpfc_soft_wwn_enable_store(struct class_device *cdev, const char *buf,
size_t count)
{
struct Scsi_Host *host = class_to_shost(cdev);
@@ -579,15 +579,15 @@ lpfc_soft_wwpn_enable_store(struct class_device *cdev, const char *buf,
if (buf[cnt-1] == '\n')
cnt--;
- if ((cnt != strlen(lpfc_soft_wwpn_key)) ||
- (strncmp(buf, lpfc_soft_wwpn_key, strlen(lpfc_soft_wwpn_key)) != 0))
+ if ((cnt != strlen(lpfc_soft_wwn_key)) ||
+ (strncmp(buf, lpfc_soft_wwn_key, strlen(lpfc_soft_wwn_key)) != 0))
return -EINVAL;
- phba->soft_wwpn_enable = 1;
+ phba->soft_wwn_enable = 1;
return count;
}
-static CLASS_DEVICE_ATTR(lpfc_soft_wwpn_enable, S_IWUSR, NULL,
- lpfc_soft_wwpn_enable_store);
+static CLASS_DEVICE_ATTR(lpfc_soft_wwn_enable, S_IWUSR, NULL,
+ lpfc_soft_wwn_enable_store);
static ssize_t
lpfc_soft_wwpn_show(struct class_device *cdev, char *buf)
@@ -613,12 +613,12 @@ lpfc_soft_wwpn_store(struct class_device *cdev, const char *buf, size_t count)
if (buf[cnt-1] == '\n')
cnt--;
- if (!phba->soft_wwpn_enable || (cnt < 16) || (cnt > 18) ||
+ if (!phba->soft_wwn_enable || (cnt < 16) || (cnt > 18) ||
((cnt == 17) && (*buf++ != 'x')) ||
((cnt == 18) && ((*buf++ != '0') || (*buf++ != 'x'))))
return -EINVAL;
- phba->soft_wwpn_enable = 0;
+ phba->soft_wwn_enable = 0;
memset(wwpn, 0, sizeof(wwpn));
@@ -639,6 +639,8 @@ lpfc_soft_wwpn_store(struct class_device *cdev, const char *buf, size_t count)
}
phba->cfg_soft_wwpn = wwn_to_u64(wwpn);
fc_host_port_name(host) = phba->cfg_soft_wwpn;
+ if (phba->cfg_soft_wwnn)
+ fc_host_node_name(host) = phba->cfg_soft_wwnn;
dev_printk(KERN_NOTICE, &phba->pcidev->dev,
"lpfc%d: Reinitializing to use soft_wwpn\n", phba->brd_no);
@@ -664,6 +666,66 @@ lpfc_soft_wwpn_store(struct class_device *cdev, const char *buf, size_t count)
static CLASS_DEVICE_ATTR(lpfc_soft_wwpn, S_IRUGO | S_IWUSR,\
lpfc_soft_wwpn_show, lpfc_soft_wwpn_store);
+static ssize_t
+lpfc_soft_wwnn_show(struct class_device *cdev, char *buf)
+{
+ struct Scsi_Host *host = class_to_shost(cdev);
+ struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
+ return snprintf(buf, PAGE_SIZE, "0x%llx\n",
+ (unsigned long long)phba->cfg_soft_wwnn);
+}
+
+
+static ssize_t
+lpfc_soft_wwnn_store(struct class_device *cdev, const char *buf, size_t count)
+{
+ struct Scsi_Host *host = class_to_shost(cdev);
+ struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
+ unsigned int i, j, cnt=count;
+ u8 wwnn[8];
+
+ /* count may include a LF at end of string */
+ if (buf[cnt-1] == '\n')
+ cnt--;
+
+ if (!phba->soft_wwn_enable || (cnt < 16) || (cnt > 18) ||
+ ((cnt == 17) && (*buf++ != 'x')) ||
+ ((cnt == 18) && ((*buf++ != '0') || (*buf++ != 'x'))))
+ return -EINVAL;
+
+ /*
+ * Allow wwnn to be set many times, as long as the enable is set.
+ * However, once the wwpn is set, everything locks.
+ */
+
+ memset(wwnn, 0, sizeof(wwnn));
+
+ /* Validate and store the new name */
+ for (i=0, j=0; i < 16; i++) {
+ if ((*buf >= 'a') && (*buf <= 'f'))
+ j = ((j << 4) | ((*buf++ -'a') + 10));
+ else if ((*buf >= 'A') && (*buf <= 'F'))
+ j = ((j << 4) | ((*buf++ -'A') + 10));
+ else if ((*buf >= '0') && (*buf <= '9'))
+ j = ((j << 4) | (*buf++ -'0'));
+ else
+ return -EINVAL;
+ if (i % 2) {
+ wwnn[i/2] = j & 0xff;
+ j = 0;
+ }
+ }
+ phba->cfg_soft_wwnn = wwn_to_u64(wwnn);
+
+ dev_printk(KERN_NOTICE, &phba->pcidev->dev,
+ "lpfc%d: soft_wwnn set. Value will take effect upon "
+ "setting of the soft_wwpn\n", phba->brd_no);
+
+ return count;
+}
+static CLASS_DEVICE_ATTR(lpfc_soft_wwnn, S_IRUGO | S_IWUSR,\
+ lpfc_soft_wwnn_show, lpfc_soft_wwnn_store);
+
static int lpfc_poll = 0;
module_param(lpfc_poll, int, 0);
@@ -802,12 +864,11 @@ static CLASS_DEVICE_ATTR(lpfc_devloss_tmo, S_IRUGO | S_IWUSR,
# LOG_MBOX 0x4 Mailbox events
# LOG_INIT 0x8 Initialization events
# LOG_LINK_EVENT 0x10 Link events
-# LOG_IP 0x20 IP traffic history
# LOG_FCP 0x40 FCP traffic history
# LOG_NODE 0x80 Node table events
# LOG_MISC 0x400 Miscellaneous events
# LOG_SLI 0x800 SLI events
-# LOG_CHK_COND 0x1000 FCP Check condition flag
+# LOG_FCP_ERROR 0x1000 Only log FCP errors
# LOG_LIBDFC 0x2000 LIBDFC events
# LOG_ALL_MSG 0xffff LOG all messages
*/
@@ -916,6 +977,22 @@ LPFC_ATTR_R(multi_ring_support, 1, 1, 2, "Determines number of primary "
"SLI rings to spread IOCB entries across");
/*
+# lpfc_multi_ring_rctl: If lpfc_multi_ring_support is enabled, this
+# identifies what rctl value to configure the additional ring for.
+# Value range is [1,0xff]. Default value is 4 (Unsolicated Data).
+*/
+LPFC_ATTR_R(multi_ring_rctl, FC_UNSOL_DATA, 1,
+ 255, "Identifies RCTL for additional ring configuration");
+
+/*
+# lpfc_multi_ring_type: If lpfc_multi_ring_support is enabled, this
+# identifies what type value to configure the additional ring for.
+# Value range is [1,0xff]. Default value is 5 (LLC/SNAP).
+*/
+LPFC_ATTR_R(multi_ring_type, FC_LLC_SNAP, 1,
+ 255, "Identifies TYPE for additional ring configuration");
+
+/*
# lpfc_fdmi_on: controls FDMI support.
# 0 = no FDMI support
# 1 = support FDMI without attribute of hostname
@@ -946,6 +1023,15 @@ LPFC_ATTR_R(max_luns, 255, 0, 65535,
LPFC_ATTR_RW(poll_tmo, 10, 1, 255,
"Milliseconds driver will wait between polling FCP ring");
+/*
+# lpfc_use_msi: Use MSI (Message Signaled Interrupts) in systems that
+# support this feature
+# 0 = MSI disabled (default)
+# 1 = MSI enabled
+# Value range is [0,1]. Default value is 0.
+*/
+LPFC_ATTR_R(use_msi, 0, 0, 1, "Use Message Signaled Interrupts, if possible");
+
struct class_device_attribute *lpfc_host_attrs[] = {
&class_device_attr_info,
@@ -974,6 +1060,8 @@ struct class_device_attribute *lpfc_host_attrs[] = {
&class_device_attr_lpfc_cr_delay,
&class_device_attr_lpfc_cr_count,
&class_device_attr_lpfc_multi_ring_support,
+ &class_device_attr_lpfc_multi_ring_rctl,
+ &class_device_attr_lpfc_multi_ring_type,
&class_device_attr_lpfc_fdmi_on,
&class_device_attr_lpfc_max_luns,
&class_device_attr_nport_evt_cnt,
@@ -982,8 +1070,10 @@ struct class_device_attribute *lpfc_host_attrs[] = {
&class_device_attr_issue_reset,
&class_device_attr_lpfc_poll,
&class_device_attr_lpfc_poll_tmo,
+ &class_device_attr_lpfc_use_msi,
+ &class_device_attr_lpfc_soft_wwnn,
&class_device_attr_lpfc_soft_wwpn,
- &class_device_attr_lpfc_soft_wwpn_enable,
+ &class_device_attr_lpfc_soft_wwn_enable,
NULL,
};
@@ -1771,6 +1861,8 @@ lpfc_get_cfgparam(struct lpfc_hba *phba)
lpfc_cr_delay_init(phba, lpfc_cr_delay);
lpfc_cr_count_init(phba, lpfc_cr_count);
lpfc_multi_ring_support_init(phba, lpfc_multi_ring_support);
+ lpfc_multi_ring_rctl_init(phba, lpfc_multi_ring_rctl);
+ lpfc_multi_ring_type_init(phba, lpfc_multi_ring_type);
lpfc_lun_queue_depth_init(phba, lpfc_lun_queue_depth);
lpfc_fcp_class_init(phba, lpfc_fcp_class);
lpfc_use_adisc_init(phba, lpfc_use_adisc);
@@ -1782,9 +1874,11 @@ lpfc_get_cfgparam(struct lpfc_hba *phba)
lpfc_discovery_threads_init(phba, lpfc_discovery_threads);
lpfc_max_luns_init(phba, lpfc_max_luns);
lpfc_poll_tmo_init(phba, lpfc_poll_tmo);
+ lpfc_use_msi_init(phba, lpfc_use_msi);
lpfc_devloss_tmo_init(phba, lpfc_devloss_tmo);
lpfc_nodev_tmo_init(phba, lpfc_nodev_tmo);
phba->cfg_poll = lpfc_poll;
+ phba->cfg_soft_wwnn = 0L;
phba->cfg_soft_wwpn = 0L;
/*
diff --git a/drivers/scsi/lpfc/lpfc_ct.c b/drivers/scsi/lpfc/lpfc_ct.c
index 3add7c23785..a51a41b7f15 100644
--- a/drivers/scsi/lpfc/lpfc_ct.c
+++ b/drivers/scsi/lpfc/lpfc_ct.c
@@ -558,6 +558,14 @@ lpfc_cmpl_ct_cmd_rsnn_nn(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
return;
}
+static void
+lpfc_cmpl_ct_cmd_rff_id(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
+ struct lpfc_iocbq * rspiocb)
+{
+ lpfc_cmpl_ct_cmd_rft_id(phba, cmdiocb, rspiocb);
+ return;
+}
+
void
lpfc_get_hba_sym_node_name(struct lpfc_hba * phba, uint8_t * symbp)
{
@@ -629,6 +637,8 @@ lpfc_ns_cmd(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, int cmdcode)
bpl->tus.f.bdeSize = RNN_REQUEST_SZ;
else if (cmdcode == SLI_CTNS_RSNN_NN)
bpl->tus.f.bdeSize = RSNN_REQUEST_SZ;
+ else if (cmdcode == SLI_CTNS_RFF_ID)
+ bpl->tus.f.bdeSize = RFF_REQUEST_SZ;
else
bpl->tus.f.bdeSize = 0;
bpl->tus.w = le32_to_cpu(bpl->tus.w);
@@ -660,6 +670,17 @@ lpfc_ns_cmd(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, int cmdcode)
cmpl = lpfc_cmpl_ct_cmd_rft_id;
break;
+ case SLI_CTNS_RFF_ID:
+ CtReq->CommandResponse.bits.CmdRsp =
+ be16_to_cpu(SLI_CTNS_RFF_ID);
+ CtReq->un.rff.PortId = be32_to_cpu(phba->fc_myDID);
+ CtReq->un.rff.feature_res = 0;
+ CtReq->un.rff.feature_tgt = 0;
+ CtReq->un.rff.type_code = FC_FCP_DATA;
+ CtReq->un.rff.feature_init = 1;
+ cmpl = lpfc_cmpl_ct_cmd_rff_id;
+ break;
+
case SLI_CTNS_RNN_ID:
CtReq->CommandResponse.bits.CmdRsp =
be16_to_cpu(SLI_CTNS_RNN_ID);
@@ -934,7 +955,8 @@ lpfc_fdmi_cmd(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, int cmdcode)
ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
ae->ad.bits.AttrType = be16_to_cpu(OS_NAME_VERSION);
sprintf(ae->un.OsNameVersion, "%s %s %s",
- init_utsname()->sysname, init_utsname()->release,
+ init_utsname()->sysname,
+ init_utsname()->release,
init_utsname()->version);
len = strlen(ae->un.OsNameVersion);
len += (len & 3) ? (4 - (len & 3)) : 4;
diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
index 71864cdc6c7..a5f33a0dd4e 100644
--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -243,6 +243,7 @@ lpfc_cmpl_els_flogi_fabric(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp,
struct serv_parm *sp, IOCB_t *irsp)
{
LPFC_MBOXQ_t *mbox;
+ struct lpfc_dmabuf *mp;
int rc;
spin_lock_irq(phba->host->host_lock);
@@ -307,10 +308,14 @@ lpfc_cmpl_els_flogi_fabric(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp,
rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT | MBX_STOP_IOCB);
if (rc == MBX_NOT_FINISHED)
- goto fail_free_mbox;
+ goto fail_issue_reg_login;
return 0;
+ fail_issue_reg_login:
+ mp = (struct lpfc_dmabuf *) mbox->context1;
+ lpfc_mbuf_free(phba, mp->virt, mp->phys);
+ kfree(mp);
fail_free_mbox:
mempool_free(mbox, phba->mbox_mem_pool);
fail:
@@ -657,6 +662,12 @@ lpfc_plogi_confirm_nport(struct lpfc_hba * phba, struct lpfc_dmabuf *prsp,
uint8_t name[sizeof (struct lpfc_name)];
uint32_t rc;
+ /* Fabric nodes can have the same WWPN so we don't bother searching
+ * by WWPN. Just return the ndlp that was given to us.
+ */
+ if (ndlp->nlp_type & NLP_FABRIC)
+ return ndlp;
+
lp = (uint32_t *) prsp->virt;
sp = (struct serv_parm *) ((uint8_t *) lp + sizeof (uint32_t));
memset(name, 0, sizeof (struct lpfc_name));
@@ -1122,7 +1133,7 @@ lpfc_cmpl_els_adisc(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
mempool_free(mbox,
phba->mbox_mem_pool);
lpfc_disc_flush_list(phba);
- psli->ring[(psli->ip_ring)].
+ psli->ring[(psli->extra_ring)].
flag &=
~LPFC_STOP_IOCB_EVENT;
psli->ring[(psli->fcp_ring)].
@@ -1851,6 +1862,7 @@ lpfc_cmpl_els_acc(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
IOCB_t *irsp;
struct lpfc_nodelist *ndlp;
LPFC_MBOXQ_t *mbox = NULL;
+ struct lpfc_dmabuf *mp;
irsp = &rspiocb->iocb;
@@ -1862,6 +1874,11 @@ lpfc_cmpl_els_acc(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
/* Check to see if link went down during discovery */
if ((lpfc_els_chk_latt(phba)) || !ndlp) {
if (mbox) {
+ mp = (struct lpfc_dmabuf *) mbox->context1;
+ if (mp) {
+ lpfc_mbuf_free(phba, mp->virt, mp->phys);
+ kfree(mp);
+ }
mempool_free( mbox, phba->mbox_mem_pool);
}
goto out;
@@ -1893,9 +1910,7 @@ lpfc_cmpl_els_acc(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
}
/* NOTE: we should have messages for unsuccessful
reglogin */
- mempool_free( mbox, phba->mbox_mem_pool);
} else {
- mempool_free( mbox, phba->mbox_mem_pool);
/* Do not call NO_LIST for lpfc_els_abort'ed ELS cmds */
if (!((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) &&
((irsp->un.ulpWord[4] == IOERR_SLI_ABORTED) ||
@@ -1907,6 +1922,12 @@ lpfc_cmpl_els_acc(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
}
}
}
+ mp = (struct lpfc_dmabuf *) mbox->context1;
+ if (mp) {
+ lpfc_mbuf_free(phba, mp->virt, mp->phys);
+ kfree(mp);
+ }
+ mempool_free(mbox, phba->mbox_mem_pool);
}
out:
if (ndlp) {
@@ -2644,6 +2665,7 @@ lpfc_els_handle_rscn(struct lpfc_hba * phba)
ndlp->nlp_type |= NLP_FABRIC;
ndlp->nlp_prev_state = ndlp->nlp_state;
ndlp->nlp_state = NLP_STE_PLOGI_ISSUE;
+ lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST);
lpfc_issue_els_plogi(phba, NameServer_DID, 0);
/* Wait for NameServer login cmpl before we can
continue */
@@ -3039,7 +3061,7 @@ lpfc_els_rcv_farp(struct lpfc_hba * phba,
/* FARP-REQ received from DID <did> */
lpfc_printf_log(phba,
KERN_INFO,
- LOG_IP,
+ LOG_ELS,
"%d:0601 FARP-REQ received from DID x%x\n",
phba->brd_no, did);
@@ -3101,7 +3123,7 @@ lpfc_els_rcv_farpr(struct lpfc_hba * phba,
/* FARP-RSP received from DID <did> */
lpfc_printf_log(phba,
KERN_INFO,
- LOG_IP,
+ LOG_ELS,
"%d:0600 FARP-RSP received from DID x%x\n",
phba->brd_no, did);
diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c
index 19c79a0549a..c39564e85e9 100644
--- a/drivers/scsi/lpfc/lpfc_hbadisc.c
+++ b/drivers/scsi/lpfc/lpfc_hbadisc.c
@@ -525,7 +525,7 @@ lpfc_mbx_cmpl_clear_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
psli = &phba->sli;
mb = &pmb->mb;
/* Since we don't do discovery right now, turn these off here */
- psli->ring[psli->ip_ring].flag &= ~LPFC_STOP_IOCB_EVENT;
+ psli->ring[psli->extra_ring].flag &= ~LPFC_STOP_IOCB_EVENT;
psli->ring[psli->fcp_ring].flag &= ~LPFC_STOP_IOCB_EVENT;
psli->ring[psli->next_ring].flag &= ~LPFC_STOP_IOCB_EVENT;
@@ -641,7 +641,7 @@ out:
if (rc == MBX_NOT_FINISHED) {
mempool_free(pmb, phba->mbox_mem_pool);
lpfc_disc_flush_list(phba);
- psli->ring[(psli->ip_ring)].flag &= ~LPFC_STOP_IOCB_EVENT;
+ psli->ring[(psli->extra_ring)].flag &= ~LPFC_STOP_IOCB_EVENT;
psli->ring[(psli->fcp_ring)].flag &= ~LPFC_STOP_IOCB_EVENT;
psli->ring[(psli->next_ring)].flag &= ~LPFC_STOP_IOCB_EVENT;
phba->hba_state = LPFC_HBA_READY;
@@ -672,6 +672,8 @@ lpfc_mbx_cmpl_read_sparam(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
memcpy((uint8_t *) & phba->fc_sparam, (uint8_t *) mp->virt,
sizeof (struct serv_parm));
+ if (phba->cfg_soft_wwnn)
+ u64_to_wwn(phba->cfg_soft_wwnn, phba->fc_sparam.nodeName.u.wwn);
if (phba->cfg_soft_wwpn)
u64_to_wwn(phba->cfg_soft_wwpn, phba->fc_sparam.portName.u.wwn);
memcpy((uint8_t *) & phba->fc_nodename,
@@ -696,7 +698,7 @@ out:
== MBX_NOT_FINISHED) {
mempool_free( pmb, phba->mbox_mem_pool);
lpfc_disc_flush_list(phba);
- psli->ring[(psli->ip_ring)].flag &=
+ psli->ring[(psli->extra_ring)].flag &=
~LPFC_STOP_IOCB_EVENT;
psli->ring[(psli->fcp_ring)].flag &=
~LPFC_STOP_IOCB_EVENT;
@@ -715,6 +717,9 @@ lpfc_mbx_process_link_up(struct lpfc_hba *phba, READ_LA_VAR *la)
{
int i;
LPFC_MBOXQ_t *sparam_mbox, *cfglink_mbox;
+ struct lpfc_dmabuf *mp;
+ int rc;
+
sparam_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
cfglink_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
@@ -793,16 +798,27 @@ lpfc_mbx_process_link_up(struct lpfc_hba *phba, READ_LA_VAR *la)
if (sparam_mbox) {
lpfc_read_sparam(phba, sparam_mbox);
sparam_mbox->mbox_cmpl = lpfc_mbx_cmpl_read_sparam;
- lpfc_sli_issue_mbox(phba, sparam_mbox,
+ rc = lpfc_sli_issue_mbox(phba, sparam_mbox,
(MBX_NOWAIT | MBX_STOP_IOCB));
+ if (rc == MBX_NOT_FINISHED) {
+ mp = (struct lpfc_dmabuf *) sparam_mbox->context1;
+ lpfc_mbuf_free(phba, mp->virt, mp->phys);
+ kfree(mp);
+ mempool_free(sparam_mbox, phba->mbox_mem_pool);
+ if (cfglink_mbox)
+ mempool_free(cfglink_mbox, phba->mbox_mem_pool);
+ return;
+ }
}
if (cfglink_mbox) {
phba->hba_state = LPFC_LOCAL_CFG_LINK;
lpfc_config_link(phba, cfglink_mbox);
cfglink_mbox->mbox_cmpl = lpfc_mbx_cmpl_local_config_link;
- lpfc_sli_issue_mbox(phba, cfglink_mbox,
+ rc = lpfc_sli_issue_mbox(phba, cfglink_mbox,
(MBX_NOWAIT | MBX_STOP_IOCB));
+ if (rc == MBX_NOT_FINISHED)
+ mempool_free(cfglink_mbox, phba->mbox_mem_pool);
}
}
@@ -1067,6 +1083,7 @@ lpfc_mbx_cmpl_ns_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
lpfc_ns_cmd(phba, ndlp, SLI_CTNS_RNN_ID);
lpfc_ns_cmd(phba, ndlp, SLI_CTNS_RSNN_NN);
lpfc_ns_cmd(phba, ndlp, SLI_CTNS_RFT_ID);
+ lpfc_ns_cmd(phba, ndlp, SLI_CTNS_RFF_ID);
}
phba->fc_ns_retry = 0;
@@ -1423,7 +1440,7 @@ lpfc_check_sli_ndlp(struct lpfc_hba * phba,
if (iocb->context1 == (uint8_t *) ndlp)
return 1;
}
- } else if (pring->ringno == psli->ip_ring) {
+ } else if (pring->ringno == psli->extra_ring) {
} else if (pring->ringno == psli->fcp_ring) {
/* Skip match check if waiting to relogin to FCP target */
@@ -1680,112 +1697,38 @@ lpfc_matchdid(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, uint32_t did)
struct lpfc_nodelist *
lpfc_findnode_did(struct lpfc_hba * phba, uint32_t order, uint32_t did)
{
- struct lpfc_nodelist *ndlp, *next_ndlp;
+ struct lpfc_nodelist *ndlp;
+ struct list_head *lists[]={&phba->fc_nlpunmap_list,
+ &phba->fc_nlpmap_list,
+ &phba->fc_plogi_list,
+ &phba->fc_adisc_list,
+ &phba->fc_reglogin_list,
+ &phba->fc_prli_list,
+ &phba->fc_npr_list,
+ &phba->fc_unused_list};
+ uint32_t search[]={NLP_SEARCH_UNMAPPED,
+ NLP_SEARCH_MAPPED,
+ NLP_SEARCH_PLOGI,
+ NLP_SEARCH_ADISC,
+ NLP_SEARCH_REGLOGIN,
+ NLP_SEARCH_PRLI,
+ NLP_SEARCH_NPR,
+ NLP_SEARCH_UNUSED};
+ int i;
uint32_t data1;
spin_lock_irq(phba->host->host_lock);
- if (order & NLP_SEARCH_UNMAPPED) {
- list_for_each_entry_safe(ndlp, next_ndlp,
- &phba->fc_nlpunmap_list, nlp_listp) {
- if (lpfc_matchdid(phba, ndlp, did)) {
- data1 = (((uint32_t) ndlp->nlp_state << 24) |
- ((uint32_t) ndlp->nlp_xri << 16) |
- ((uint32_t) ndlp->nlp_type << 8) |
- ((uint32_t) ndlp->nlp_rpi & 0xff));
- /* FIND node DID unmapped */
- lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
- "%d:0929 FIND node DID unmapped"
- " Data: x%p x%x x%x x%x\n",
- phba->brd_no,
- ndlp, ndlp->nlp_DID,
- ndlp->nlp_flag, data1);
- spin_unlock_irq(phba->host->host_lock);
- return ndlp;
- }
- }
- }
-
- if (order & NLP_SEARCH_MAPPED) {
- list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nlpmap_list,
- nlp_listp) {
- if (lpfc_matchdid(phba, ndlp, did)) {
-
- data1 = (((uint32_t) ndlp->nlp_state << 24) |
- ((uint32_t) ndlp->nlp_xri << 16) |
- ((uint32_t) ndlp->nlp_type << 8) |
- ((uint32_t) ndlp->nlp_rpi & 0xff));
- /* FIND node DID mapped */
- lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
- "%d:0930 FIND node DID mapped "
- "Data: x%p x%x x%x x%x\n",
- phba->brd_no,
- ndlp, ndlp->nlp_DID,
- ndlp->nlp_flag, data1);
- spin_unlock_irq(phba->host->host_lock);
- return ndlp;
- }
- }
- }
-
- if (order & NLP_SEARCH_PLOGI) {
- list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_plogi_list,
- nlp_listp) {
- if (lpfc_matchdid(phba, ndlp, did)) {
-
- data1 = (((uint32_t) ndlp->nlp_state << 24) |
- ((uint32_t) ndlp->nlp_xri << 16) |
- ((uint32_t) ndlp->nlp_type << 8) |
- ((uint32_t) ndlp->nlp_rpi & 0xff));
- /* LOG change to PLOGI */
- /* FIND node DID plogi */
- lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
- "%d:0908 FIND node DID plogi "
- "Data: x%p x%x x%x x%x\n",
- phba->brd_no,
- ndlp, ndlp->nlp_DID,
- ndlp->nlp_flag, data1);
- spin_unlock_irq(phba->host->host_lock);
- return ndlp;
- }
- }
- }
-
- if (order & NLP_SEARCH_ADISC) {
- list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_adisc_list,
- nlp_listp) {
- if (lpfc_matchdid(phba, ndlp, did)) {
-
- data1 = (((uint32_t) ndlp->nlp_state << 24) |
- ((uint32_t) ndlp->nlp_xri << 16) |
- ((uint32_t) ndlp->nlp_type << 8) |
- ((uint32_t) ndlp->nlp_rpi & 0xff));
- /* LOG change to ADISC */
- /* FIND node DID adisc */
- lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
- "%d:0931 FIND node DID adisc "
- "Data: x%p x%x x%x x%x\n",
- phba->brd_no,
- ndlp, ndlp->nlp_DID,
- ndlp->nlp_flag, data1);
- spin_unlock_irq(phba->host->host_lock);
- return ndlp;
- }
- }
- }
-
- if (order & NLP_SEARCH_REGLOGIN) {
- list_for_each_entry_safe(ndlp, next_ndlp,
- &phba->fc_reglogin_list, nlp_listp) {
+ for (i = 0; i < ARRAY_SIZE(lists); i++ ) {
+ if (!(order & search[i]))
+ continue;
+ list_for_each_entry(ndlp, lists[i], nlp_listp) {
if (lpfc_matchdid(phba, ndlp, did)) {
-
data1 = (((uint32_t) ndlp->nlp_state << 24) |
((uint32_t) ndlp->nlp_xri << 16) |
((uint32_t) ndlp->nlp_type << 8) |
((uint32_t) ndlp->nlp_rpi & 0xff));
- /* LOG change to REGLOGIN */
- /* FIND node DID reglogin */
lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
- "%d:0901 FIND node DID reglogin"
+ "%d:0929 FIND node DID "
" Data: x%p x%x x%x x%x\n",
phba->brd_no,
ndlp, ndlp->nlp_DID,
@@ -1795,86 +1738,12 @@ lpfc_findnode_did(struct lpfc_hba * phba, uint32_t order, uint32_t did)
}
}
}
-
- if (order & NLP_SEARCH_PRLI) {
- list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_prli_list,
- nlp_listp) {
- if (lpfc_matchdid(phba, ndlp, did)) {
-
- data1 = (((uint32_t) ndlp->nlp_state << 24) |
- ((uint32_t) ndlp->nlp_xri << 16) |
- ((uint32_t) ndlp->nlp_type << 8) |
- ((uint32_t) ndlp->nlp_rpi & 0xff));
- /* LOG change to PRLI */
- /* FIND node DID prli */
- lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
- "%d:0902 FIND node DID prli "
- "Data: x%p x%x x%x x%x\n",
- phba->brd_no,
- ndlp, ndlp->nlp_DID,
- ndlp->nlp_flag, data1);
- spin_unlock_irq(phba->host->host_lock);
- return ndlp;
- }
- }
- }
-
- if (order & NLP_SEARCH_NPR) {
- list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list,
- nlp_listp) {
- if (lpfc_matchdid(phba, ndlp, did)) {
-
- data1 = (((uint32_t) ndlp->nlp_state << 24) |
- ((uint32_t) ndlp->nlp_xri << 16) |
- ((uint32_t) ndlp->nlp_type << 8) |
- ((uint32_t) ndlp->nlp_rpi & 0xff));
- /* LOG change to NPR */
- /* FIND node DID npr */
- lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
- "%d:0903 FIND node DID npr "
- "Data: x%p x%x x%x x%x\n",
- phba->brd_no,
- ndlp, ndlp->nlp_DID,
- ndlp->nlp_flag, data1);
- spin_unlock_irq(phba->host->host_lock);
- return ndlp;
- }
- }
- }
-
- if (order & NLP_SEARCH_UNUSED) {
- list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_adisc_list,
- nlp_listp) {
- if (lpfc_matchdid(phba, ndlp, did)) {
-
- data1 = (((uint32_t) ndlp->nlp_state << 24) |
- ((uint32_t) ndlp->nlp_xri << 16) |
- ((uint32_t) ndlp->nlp_type << 8) |
- ((uint32_t) ndlp->nlp_rpi & 0xff));
- /* LOG change to UNUSED */
- /* FIND node DID unused */
- lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
- "%d:0905 FIND node DID unused "
- "Data: x%p x%x x%x x%x\n",
- phba->brd_no,
- ndlp, ndlp->nlp_DID,
- ndlp->nlp_flag, data1);
- spin_unlock_irq(phba->host->host_lock);
- return ndlp;
- }
- }
- }
-
spin_unlock_irq(phba->host->host_lock);
/* FIND node did <did> NOT FOUND */
- lpfc_printf_log(phba,
- KERN_INFO,
- LOG_NODE,
+ lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
"%d:0932 FIND node did x%x NOT FOUND Data: x%x\n",
phba->brd_no, did, order);
-
- /* no match found */
return NULL;
}
@@ -2036,7 +1905,7 @@ lpfc_disc_start(struct lpfc_hba * phba)
if (rc == MBX_NOT_FINISHED) {
mempool_free( mbox, phba->mbox_mem_pool);
lpfc_disc_flush_list(phba);
- psli->ring[(psli->ip_ring)].flag &=
+ psli->ring[(psli->extra_ring)].flag &=
~LPFC_STOP_IOCB_EVENT;
psli->ring[(psli->fcp_ring)].flag &=
~LPFC_STOP_IOCB_EVENT;
@@ -2415,7 +2284,7 @@ lpfc_disc_timeout_handler(struct lpfc_hba *phba)
if (clrlaerr) {
lpfc_disc_flush_list(phba);
- psli->ring[(psli->ip_ring)].flag &= ~LPFC_STOP_IOCB_EVENT;
+ psli->ring[(psli->extra_ring)].flag &= ~LPFC_STOP_IOCB_EVENT;
psli->ring[(psli->fcp_ring)].flag &= ~LPFC_STOP_IOCB_EVENT;
psli->ring[(psli->next_ring)].flag &= ~LPFC_STOP_IOCB_EVENT;
phba->hba_state = LPFC_HBA_READY;
diff --git a/drivers/scsi/lpfc/lpfc_hw.h b/drivers/scsi/lpfc/lpfc_hw.h
index eedf9880136..f79cb613690 100644
--- a/drivers/scsi/lpfc/lpfc_hw.h
+++ b/drivers/scsi/lpfc/lpfc_hw.h
@@ -42,14 +42,14 @@
#define FCELSSIZE 1024 /* maximum ELS transfer size */
#define LPFC_FCP_RING 0 /* ring 0 for FCP initiator commands */
-#define LPFC_IP_RING 1 /* ring 1 for IP commands */
+#define LPFC_EXTRA_RING 1 /* ring 1 for other protocols */
#define LPFC_ELS_RING 2 /* ring 2 for ELS commands */
#define LPFC_FCP_NEXT_RING 3
#define SLI2_IOCB_CMD_R0_ENTRIES 172 /* SLI-2 FCP command ring entries */
#define SLI2_IOCB_RSP_R0_ENTRIES 134 /* SLI-2 FCP response ring entries */
-#define SLI2_IOCB_CMD_R1_ENTRIES 4 /* SLI-2 IP command ring entries */
-#define SLI2_IOCB_RSP_R1_ENTRIES 4 /* SLI-2 IP response ring entries */
+#define SLI2_IOCB_CMD_R1_ENTRIES 4 /* SLI-2 extra command ring entries */
+#define SLI2_IOCB_RSP_R1_ENTRIES 4 /* SLI-2 extra response ring entries */
#define SLI2_IOCB_CMD_R1XTRA_ENTRIES 36 /* SLI-2 extra FCP cmd ring entries */
#define SLI2_IOCB_RSP_R1XTRA_ENTRIES 52 /* SLI-2 extra FCP rsp ring entries */
#define SLI2_IOCB_CMD_R2_ENTRIES 20 /* SLI-2 ELS command ring entries */
@@ -121,6 +121,20 @@ struct lpfc_sli_ct_request {
uint32_t rsvd[7];
} rft;
+ struct rff {
+ uint32_t PortId;
+ uint8_t reserved[2];
+#ifdef __BIG_ENDIAN_BITFIELD
+ uint8_t feature_res:6;
+ uint8_t feature_init:1;
+ uint8_t feature_tgt:1;
+#else /* __LITTLE_ENDIAN_BITFIELD */
+ uint8_t feature_tgt:1;
+ uint8_t feature_init:1;
+ uint8_t feature_res:6;
+#endif
+ uint8_t type_code; /* type=8 for FCP */
+ } rff;
struct rnn {
uint32_t PortId; /* For RNN_ID requests */
uint8_t wwnn[8];
@@ -136,6 +150,7 @@ struct lpfc_sli_ct_request {
#define SLI_CT_REVISION 1
#define GID_REQUEST_SZ (sizeof(struct lpfc_sli_ct_request) - 260)
#define RFT_REQUEST_SZ (sizeof(struct lpfc_sli_ct_request) - 228)
+#define RFF_REQUEST_SZ (sizeof(struct lpfc_sli_ct_request) - 235)
#define RNN_REQUEST_SZ (sizeof(struct lpfc_sli_ct_request) - 252)
#define RSNN_REQUEST_SZ (sizeof(struct lpfc_sli_ct_request))
@@ -225,6 +240,7 @@ struct lpfc_sli_ct_request {
#define SLI_CTNS_RNN_ID 0x0213
#define SLI_CTNS_RCS_ID 0x0214
#define SLI_CTNS_RFT_ID 0x0217
+#define SLI_CTNS_RFF_ID 0x021F
#define SLI_CTNS_RSPN_ID 0x0218
#define SLI_CTNS_RPT_ID 0x021A
#define SLI_CTNS_RIP_NN 0x0235
@@ -1089,12 +1105,6 @@ typedef struct {
#define PCI_DEVICE_ID_ZEPHYR_SCSP 0xfe11
#define PCI_DEVICE_ID_ZEPHYR_DCSP 0xfe12
-#define PCI_SUBSYSTEM_ID_LP11000S 0xfc11
-#define PCI_SUBSYSTEM_ID_LP11002S 0xfc12
-#define PCI_SUBSYSTEM_ID_LPE11000S 0xfc21
-#define PCI_SUBSYSTEM_ID_LPE11002S 0xfc22
-#define PCI_SUBSYSTEM_ID_LPE11010S 0xfc2A
-
#define JEDEC_ID_ADDRESS 0x0080001c
#define FIREFLY_JEDEC_ID 0x1ACC
#define SUPERFLY_JEDEC_ID 0x0020
@@ -1284,6 +1294,10 @@ typedef struct { /* FireFly BIU registers */
#define CMD_FCP_IREAD_CX 0x1B
#define CMD_FCP_ICMND_CR 0x1C
#define CMD_FCP_ICMND_CX 0x1D
+#define CMD_FCP_TSEND_CX 0x1F
+#define CMD_FCP_TRECEIVE_CX 0x21
+#define CMD_FCP_TRSP_CX 0x23
+#define CMD_FCP_AUTO_TRSP_CX 0x29
#define CMD_ADAPTER_MSG 0x20
#define CMD_ADAPTER_DUMP 0x22
@@ -1310,6 +1324,9 @@ typedef struct { /* FireFly BIU registers */
#define CMD_FCP_IREAD64_CX 0x9B
#define CMD_FCP_ICMND64_CR 0x9C
#define CMD_FCP_ICMND64_CX 0x9D
+#define CMD_FCP_TSEND64_CX 0x9F
+#define CMD_FCP_TRECEIVE64_CX 0xA1
+#define CMD_FCP_TRSP64_CX 0xA3
#define CMD_GEN_REQUEST64_CR 0xC2
#define CMD_GEN_REQUEST64_CX 0xC3
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index a5723ad0a09..afca45cdbce 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -268,6 +268,8 @@ lpfc_config_port_post(struct lpfc_hba * phba)
kfree(mp);
pmb->context1 = NULL;
+ if (phba->cfg_soft_wwnn)
+ u64_to_wwn(phba->cfg_soft_wwnn, phba->fc_sparam.nodeName.u.wwn);
if (phba->cfg_soft_wwpn)
u64_to_wwn(phba->cfg_soft_wwpn, phba->fc_sparam.portName.u.wwn);
memcpy(&phba->fc_nodename, &phba->fc_sparam.nodeName,
@@ -349,8 +351,8 @@ lpfc_config_port_post(struct lpfc_hba * phba)
phba->hba_state = LPFC_LINK_DOWN;
/* Only process IOCBs on ring 0 till hba_state is READY */
- if (psli->ring[psli->ip_ring].cmdringaddr)
- psli->ring[psli->ip_ring].flag |= LPFC_STOP_IOCB_EVENT;
+ if (psli->ring[psli->extra_ring].cmdringaddr)
+ psli->ring[psli->extra_ring].flag |= LPFC_STOP_IOCB_EVENT;
if (psli->ring[psli->fcp_ring].cmdringaddr)
psli->ring[psli->fcp_ring].flag |= LPFC_STOP_IOCB_EVENT;
if (psli->ring[psli->next_ring].cmdringaddr)
@@ -517,7 +519,8 @@ lpfc_handle_eratt(struct lpfc_hba * phba)
struct lpfc_sli_ring *pring;
uint32_t event_data;
- if (phba->work_hs & HS_FFER6) {
+ if (phba->work_hs & HS_FFER6 ||
+ phba->work_hs & HS_FFER5) {
/* Re-establishing Link */
lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
"%d:1301 Re-establishing Link "
@@ -611,7 +614,7 @@ lpfc_handle_latt(struct lpfc_hba * phba)
pmb->mbox_cmpl = lpfc_mbx_cmpl_read_la;
rc = lpfc_sli_issue_mbox (phba, pmb, (MBX_NOWAIT | MBX_STOP_IOCB));
if (rc == MBX_NOT_FINISHED)
- goto lpfc_handle_latt_free_mp;
+ goto lpfc_handle_latt_free_mbuf;
/* Clear Link Attention in HA REG */
spin_lock_irq(phba->host->host_lock);
@@ -621,6 +624,8 @@ lpfc_handle_latt(struct lpfc_hba * phba)
return;
+lpfc_handle_latt_free_mbuf:
+ lpfc_mbuf_free(phba, mp->virt, mp->phys);
lpfc_handle_latt_free_mp:
kfree(mp);
lpfc_handle_latt_free_pmb:
@@ -802,19 +807,13 @@ lpfc_get_hba_model_desc(struct lpfc_hba * phba, uint8_t * mdp, uint8_t * descp)
{
lpfc_vpd_t *vp;
uint16_t dev_id = phba->pcidev->device;
- uint16_t dev_subid = phba->pcidev->subsystem_device;
- uint8_t hdrtype;
int max_speed;
- char * ports;
struct {
char * name;
int max_speed;
- char * ports;
char * bus;
- } m = {"<Unknown>", 0, "", ""};
+ } m = {"<Unknown>", 0, ""};
- pci_read_config_byte(phba->pcidev, PCI_HEADER_TYPE, &hdrtype);
- ports = (hdrtype == 0x80) ? "2-port " : "";
if (mdp && mdp[0] != '\0'
&& descp && descp[0] != '\0')
return;
@@ -834,130 +833,93 @@ lpfc_get_hba_model_desc(struct lpfc_hba * phba, uint8_t * mdp, uint8_t * descp)
switch (dev_id) {
case PCI_DEVICE_ID_FIREFLY:
- m = (typeof(m)){"LP6000", max_speed, "", "PCI"};
+ m = (typeof(m)){"LP6000", max_speed, "PCI"};
break;
case PCI_DEVICE_ID_SUPERFLY:
if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3)
- m = (typeof(m)){"LP7000", max_speed, "", "PCI"};
+ m = (typeof(m)){"LP7000", max_speed, "PCI"};
else
- m = (typeof(m)){"LP7000E", max_speed, "", "PCI"};
+ m = (typeof(m)){"LP7000E", max_speed, "PCI"};
break;
case PCI_DEVICE_ID_DRAGONFLY:
- m = (typeof(m)){"LP8000", max_speed, "", "PCI"};
+ m = (typeof(m)){"LP8000", max_speed, "PCI"};
break;
case PCI_DEVICE_ID_CENTAUR:
if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID)
- m = (typeof(m)){"LP9002", max_speed, "", "PCI"};
+ m = (typeof(m)){"LP9002", max_speed, "PCI"};
else
- m = (typeof(m)){"LP9000", max_speed, "", "PCI"};
+ m = (typeof(m)){"LP9000", max_speed, "PCI"};
break;
case PCI_DEVICE_ID_RFLY:
- m = (typeof(m)){"LP952", max_speed, "", "PCI"};
+ m = (typeof(m)){"LP952", max_speed, "PCI"};
break;
case PCI_DEVICE_ID_PEGASUS:
- m = (typeof(m)){"LP9802", max_speed, "", "PCI-X"};
+ m = (typeof(m)){"LP9802", max_speed, "PCI-X"};
break;
case PCI_DEVICE_ID_THOR:
- if (hdrtype == 0x80)
- m = (typeof(m)){"LP10000DC",
- max_speed, ports, "PCI-X"};
- else
- m = (typeof(m)){"LP10000",
- max_speed, ports, "PCI-X"};
+ m = (typeof(m)){"LP10000", max_speed, "PCI-X"};
break;
case PCI_DEVICE_ID_VIPER:
- m = (typeof(m)){"LPX1000", max_speed, "", "PCI-X"};
+ m = (typeof(m)){"LPX1000", max_speed, "PCI-X"};
break;
case PCI_DEVICE_ID_PFLY:
- m = (typeof(m)){"LP982", max_speed, "", "PCI-X"};
+ m = (typeof(m)){"LP982", max_speed, "PCI-X"};
break;
case PCI_DEVICE_ID_TFLY:
- if (hdrtype == 0x80)
- m = (typeof(m)){"LP1050DC", max_speed, ports, "PCI-X"};
- else
- m = (typeof(m)){"LP1050", max_speed, ports, "PCI-X"};
+ m = (typeof(m)){"LP1050", max_speed, "PCI-X"};
break;
case PCI_DEVICE_ID_HELIOS:
- if (hdrtype == 0x80)
- m = (typeof(m)){"LP11002", max_speed, ports, "PCI-X2"};
- else
- m = (typeof(m)){"LP11000", max_speed, ports, "PCI-X2"};
+ m = (typeof(m)){"LP11000", max_speed, "PCI-X2"};
break;
case PCI_DEVICE_ID_HELIOS_SCSP:
- m = (typeof(m)){"LP11000-SP", max_speed, ports, "PCI-X2"};
+ m = (typeof(m)){"LP11000-SP", max_speed, "PCI-X2"};
break;
case PCI_DEVICE_ID_HELIOS_DCSP:
- m = (typeof(m)){"LP11002-SP", max_speed, ports, "PCI-X2"};
+ m = (typeof(m)){"LP11002-SP", max_speed, "PCI-X2"};
break;
case PCI_DEVICE_ID_NEPTUNE:
- if (hdrtype == 0x80)
- m = (typeof(m)){"LPe1002", max_speed, ports, "PCIe"};
- else
- m = (typeof(m)){"LPe1000", max_speed, ports, "PCIe"};
+ m = (typeof(m)){"LPe1000", max_speed, "PCIe"};
break;
case PCI_DEVICE_ID_NEPTUNE_SCSP:
- m = (typeof(m)){"LPe1000-SP", max_speed, ports, "PCIe"};
+ m = (typeof(m)){"LPe1000-SP", max_speed, "PCIe"};
break;
case PCI_DEVICE_ID_NEPTUNE_DCSP:
- m = (typeof(m)){"LPe1002-SP", max_speed, ports, "PCIe"};
+ m = (typeof(m)){"LPe1002-SP", max_speed, "PCIe"};
break;
case PCI_DEVICE_ID_BMID:
- m = (typeof(m)){"LP1150", max_speed, ports, "PCI-X2"};
+ m = (typeof(m)){"LP1150", max_speed, "PCI-X2"};
break;
case PCI_DEVICE_ID_BSMB:
- m = (typeof(m)){"LP111", max_speed, ports, "PCI-X2"};
+ m = (typeof(m)){"LP111", max_speed, "PCI-X2"};
break;
case PCI_DEVICE_ID_ZEPHYR:
- if (hdrtype == 0x80)
- m = (typeof(m)){"LPe11002", max_speed, ports, "PCIe"};
- else
- m = (typeof(m)){"LPe11000", max_speed, ports, "PCIe"};
+ m = (typeof(m)){"LPe11000", max_speed, "PCIe"};
break;
case PCI_DEVICE_ID_ZEPHYR_SCSP:
- m = (typeof(m)){"LPe11000", max_speed, ports, "PCIe"};
+ m = (typeof(m)){"LPe11000", max_speed, "PCIe"};
break;
case PCI_DEVICE_ID_ZEPHYR_DCSP:
- m = (typeof(m)){"LPe11002-SP", max_speed, ports, "PCIe"};
+ m = (typeof(m)){"LPe11002-SP", max_speed, "PCIe"};
break;
case PCI_DEVICE_ID_ZMID:
- m = (typeof(m)){"LPe1150", max_speed, ports, "PCIe"};
+ m = (typeof(m)){"LPe1150", max_speed, "PCIe"};
break;
case PCI_DEVICE_ID_ZSMB:
- m = (typeof(m)){"LPe111", max_speed, ports, "PCIe"};
+ m = (typeof(m)){"LPe111", max_speed, "PCIe"};
break;
case PCI_DEVICE_ID_LP101:
- m = (typeof(m)){"LP101", max_speed, ports, "PCI-X"};
+ m = (typeof(m)){"LP101", max_speed, "PCI-X"};
break;
case PCI_DEVICE_ID_LP10000S:
- m = (typeof(m)){"LP10000-S", max_speed, ports, "PCI"};
+ m = (typeof(m)){"LP10000-S", max_speed, "PCI"};
break;
case PCI_DEVICE_ID_LP11000S:
+ m = (typeof(m)){"LP11000-S", max_speed,
+ "PCI-X2"};
+ break;
case PCI_DEVICE_ID_LPE11000S:
- switch (dev_subid) {
- case PCI_SUBSYSTEM_ID_LP11000S:
- m = (typeof(m)){"LP11000-S", max_speed,
- ports, "PCI-X2"};
- break;
- case PCI_SUBSYSTEM_ID_LP11002S:
- m = (typeof(m)){"LP11002-S", max_speed,
- ports, "PCI-X2"};
- break;
- case PCI_SUBSYSTEM_ID_LPE11000S:
- m = (typeof(m)){"LPe11000-S", max_speed,
- ports, "PCIe"};
- break;
- case PCI_SUBSYSTEM_ID_LPE11002S:
- m = (typeof(m)){"LPe11002-S", max_speed,
- ports, "PCIe"};
- break;
- case PCI_SUBSYSTEM_ID_LPE11010S:
- m = (typeof(m)){"LPe11010-S", max_speed,
- "10-port ", "PCIe"};
- break;
- default:
- m = (typeof(m)){ NULL };
- break;
- }
+ m = (typeof(m)){"LPe11000-S", max_speed,
+ "PCIe"};
break;
default:
m = (typeof(m)){ NULL };
@@ -968,8 +930,8 @@ lpfc_get_hba_model_desc(struct lpfc_hba * phba, uint8_t * mdp, uint8_t * descp)
snprintf(mdp, 79,"%s", m.name);
if (descp && descp[0] == '\0')
snprintf(descp, 255,
- "Emulex %s %dGb %s%s Fibre Channel Adapter",
- m.name, m.max_speed, m.ports, m.bus);
+ "Emulex %s %dGb %s Fibre Channel Adapter",
+ m.name, m.max_speed, m.bus);
}
/**************************************************/
@@ -1651,6 +1613,14 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
if (error)
goto out_remove_host;
+ if (phba->cfg_use_msi) {
+ error = pci_enable_msi(phba->pcidev);
+ if (error)
+ lpfc_printf_log(phba, KERN_INFO, LOG_INIT, "%d:0452 "
+ "Enable MSI failed, continuing with "
+ "IRQ\n", phba->brd_no);
+ }
+
error = request_irq(phba->pcidev->irq, lpfc_intr_handler, IRQF_SHARED,
LPFC_DRIVER_NAME, phba);
if (error) {
@@ -1730,6 +1700,7 @@ out_free_irq:
lpfc_stop_timer(phba);
phba->work_hba_events = 0;
free_irq(phba->pcidev->irq, phba);
+ pci_disable_msi(phba->pcidev);
out_free_sysfs_attr:
lpfc_free_sysfs_attr(phba);
out_remove_host:
@@ -1796,6 +1767,7 @@ lpfc_pci_remove_one(struct pci_dev *pdev)
/* Release the irq reservation */
free_irq(phba->pcidev->irq, phba);
+ pci_disable_msi(phba->pcidev);
lpfc_cleanup(phba, 0);
lpfc_stop_timer(phba);
diff --git a/drivers/scsi/lpfc/lpfc_logmsg.h b/drivers/scsi/lpfc/lpfc_logmsg.h
index 62c8ca862e9..438cbcd9eb1 100644
--- a/drivers/scsi/lpfc/lpfc_logmsg.h
+++ b/drivers/scsi/lpfc/lpfc_logmsg.h
@@ -28,7 +28,7 @@
#define LOG_NODE 0x80 /* Node table events */
#define LOG_MISC 0x400 /* Miscellaneous events */
#define LOG_SLI 0x800 /* SLI events */
-#define LOG_CHK_COND 0x1000 /* FCP Check condition flag */
+#define LOG_FCP_ERROR 0x1000 /* log errors, not underruns */
#define LOG_LIBDFC 0x2000 /* Libdfc events */
#define LOG_ALL_MSG 0xffff /* LOG all messages */
diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c
index d5f415007db..0c7e731dc45 100644
--- a/drivers/scsi/lpfc/lpfc_nportdisc.c
+++ b/drivers/scsi/lpfc/lpfc_nportdisc.c
@@ -739,7 +739,7 @@ lpfc_cmpl_plogi_plogi_issue(struct lpfc_hba * phba,
uint32_t evt)
{
struct lpfc_iocbq *cmdiocb, *rspiocb;
- struct lpfc_dmabuf *pcmd, *prsp;
+ struct lpfc_dmabuf *pcmd, *prsp, *mp;
uint32_t *lp;
IOCB_t *irsp;
struct serv_parm *sp;
@@ -829,6 +829,9 @@ lpfc_cmpl_plogi_plogi_issue(struct lpfc_hba * phba,
NLP_REGLOGIN_LIST);
return ndlp->nlp_state;
}
+ mp = (struct lpfc_dmabuf *)mbox->context1;
+ lpfc_mbuf_free(phba, mp->virt, mp->phys);
+ kfree(mp);
mempool_free(mbox, phba->mbox_mem_pool);
} else {
mempool_free(mbox, phba->mbox_mem_pool);
@@ -1620,8 +1623,8 @@ lpfc_rcv_padisc_npr_node(struct lpfc_hba * phba,
* or discovery in progress for this node. Starting discovery
* here will affect the counting of discovery threads.
*/
- if ((!(ndlp->nlp_flag & NLP_DELAY_TMO)) &&
- (ndlp->nlp_flag & NLP_NPR_2B_DISC)){
+ if (!(ndlp->nlp_flag & NLP_DELAY_TMO) &&
+ !(ndlp->nlp_flag & NLP_NPR_2B_DISC)){
if (ndlp->nlp_flag & NLP_NPR_ADISC) {
ndlp->nlp_prev_state = NLP_STE_NPR_NODE;
ndlp->nlp_state = NLP_STE_ADISC_ISSUE;
diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
index 97ae98dc95d..c3e68e0d8f7 100644
--- a/drivers/scsi/lpfc/lpfc_scsi.c
+++ b/drivers/scsi/lpfc/lpfc_scsi.c
@@ -297,8 +297,10 @@ lpfc_handle_fcp_err(struct lpfc_scsi_buf *lpfc_cmd)
uint32_t fcpi_parm = lpfc_cmd->cur_iocbq.iocb.un.fcpi.fcpi_parm;
uint32_t resp_info = fcprsp->rspStatus2;
uint32_t scsi_status = fcprsp->rspStatus3;
+ uint32_t *lp;
uint32_t host_status = DID_OK;
uint32_t rsplen = 0;
+ uint32_t logit = LOG_FCP | LOG_FCP_ERROR;
/*
* If this is a task management command, there is no
@@ -310,10 +312,25 @@ lpfc_handle_fcp_err(struct lpfc_scsi_buf *lpfc_cmd)
goto out;
}
- lpfc_printf_log(phba, KERN_WARNING, LOG_FCP,
- "%d:0730 FCP command failed: RSP "
- "Data: x%x x%x x%x x%x x%x x%x\n",
- phba->brd_no, resp_info, scsi_status,
+ if ((resp_info & SNS_LEN_VALID) && fcprsp->rspSnsLen) {
+ uint32_t snslen = be32_to_cpu(fcprsp->rspSnsLen);
+ if (snslen > SCSI_SENSE_BUFFERSIZE)
+ snslen = SCSI_SENSE_BUFFERSIZE;
+
+ if (resp_info & RSP_LEN_VALID)
+ rsplen = be32_to_cpu(fcprsp->rspRspLen);
+ memcpy(cmnd->sense_buffer, &fcprsp->rspInfo0 + rsplen, snslen);
+ }
+ lp = (uint32_t *)cmnd->sense_buffer;
+
+ if (!scsi_status && (resp_info & RESID_UNDER))
+ logit = LOG_FCP;
+
+ lpfc_printf_log(phba, KERN_WARNING, logit,
+ "%d:0730 FCP command x%x failed: x%x SNS x%x x%x "
+ "Data: x%x x%x x%x x%x x%x\n",
+ phba->brd_no, cmnd->cmnd[0], scsi_status,
+ be32_to_cpu(*lp), be32_to_cpu(*(lp + 3)), resp_info,
be32_to_cpu(fcprsp->rspResId),
be32_to_cpu(fcprsp->rspSnsLen),
be32_to_cpu(fcprsp->rspRspLen),
@@ -328,14 +345,6 @@ lpfc_handle_fcp_err(struct lpfc_scsi_buf *lpfc_cmd)
}
}
- if ((resp_info & SNS_LEN_VALID) && fcprsp->rspSnsLen) {
- uint32_t snslen = be32_to_cpu(fcprsp->rspSnsLen);
- if (snslen > SCSI_SENSE_BUFFERSIZE)
- snslen = SCSI_SENSE_BUFFERSIZE;
-
- memcpy(cmnd->sense_buffer, &fcprsp->rspInfo0 + rsplen, snslen);
- }
-
cmnd->resid = 0;
if (resp_info & RESID_UNDER) {
cmnd->resid = be32_to_cpu(fcprsp->rspResId);
@@ -378,7 +387,7 @@ lpfc_handle_fcp_err(struct lpfc_scsi_buf *lpfc_cmd)
*/
} else if ((scsi_status == SAM_STAT_GOOD) && fcpi_parm &&
(cmnd->sc_data_direction == DMA_FROM_DEVICE)) {
- lpfc_printf_log(phba, KERN_WARNING, LOG_FCP,
+ lpfc_printf_log(phba, KERN_WARNING, LOG_FCP | LOG_FCP_ERROR,
"%d:0734 FCP Read Check Error Data: "
"x%x x%x x%x x%x\n", phba->brd_no,
be32_to_cpu(fcpcmd->fcpDl),
@@ -670,6 +679,9 @@ lpfc_scsi_tgt_reset(struct lpfc_scsi_buf * lpfc_cmd, struct lpfc_hba * phba,
struct lpfc_iocbq *iocbqrsp;
int ret;
+ if (!rdata->pnode)
+ return FAILED;
+
lpfc_cmd->rdata = rdata;
ret = lpfc_scsi_prep_task_mgmt_cmd(phba, lpfc_cmd, lun,
FCP_TARGET_RESET);
@@ -976,20 +988,34 @@ lpfc_reset_lun_handler(struct scsi_cmnd *cmnd)
lpfc_block_error_handler(cmnd);
spin_lock_irq(shost->host_lock);
+ loopcnt = 0;
/*
* If target is not in a MAPPED state, delay the reset until
* target is rediscovered or devloss timeout expires.
*/
while ( 1 ) {
if (!pnode)
- break;
+ return FAILED;
if (pnode->nlp_state != NLP_STE_MAPPED_NODE) {
spin_unlock_irq(phba->host->host_lock);
schedule_timeout_uninterruptible(msecs_to_jiffies(500));
spin_lock_irq(phba->host->host_lock);
+ loopcnt++;
+ rdata = cmnd->device->hostdata;
+ if (!rdata ||
+ (loopcnt > ((phba->cfg_devloss_tmo * 2) + 1))) {
+ lpfc_printf_log(phba, KERN_ERR, LOG_FCP,
+ "%d:0721 LUN Reset rport failure:"
+ " cnt x%x rdata x%p\n",
+ phba->brd_no, loopcnt, rdata);
+ goto out;
+ }
+ pnode = rdata->pnode;
+ if (!pnode)
+ return FAILED;
}
- if ((pnode) && (pnode->nlp_state == NLP_STE_MAPPED_NODE))
+ if (pnode->nlp_state == NLP_STE_MAPPED_NODE)
break;
}
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index 582f5ea4e84..a4128e19338 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -117,6 +117,10 @@ lpfc_sli_iocb_cmd_type(uint8_t iocb_cmnd)
case CMD_FCP_IREAD_CX:
case CMD_FCP_ICMND_CR:
case CMD_FCP_ICMND_CX:
+ case CMD_FCP_TSEND_CX:
+ case CMD_FCP_TRSP_CX:
+ case CMD_FCP_TRECEIVE_CX:
+ case CMD_FCP_AUTO_TRSP_CX:
case CMD_ADAPTER_MSG:
case CMD_ADAPTER_DUMP:
case CMD_XMIT_SEQUENCE64_CR:
@@ -131,6 +135,9 @@ lpfc_sli_iocb_cmd_type(uint8_t iocb_cmnd)
case CMD_FCP_IREAD64_CX:
case CMD_FCP_ICMND64_CR:
case CMD_FCP_ICMND64_CX:
+ case CMD_FCP_TSEND64_CX:
+ case CMD_FCP_TRSP64_CX:
+ case CMD_FCP_TRECEIVE64_CX:
case CMD_GEN_REQUEST64_CR:
case CMD_GEN_REQUEST64_CX:
case CMD_XMIT_ELS_RSP64_CX:
@@ -1098,6 +1105,7 @@ lpfc_sli_handle_fast_ring_event(struct lpfc_hba * phba,
lpfc_sli_pcimem_bcopy((uint32_t *) entry,
(uint32_t *) &rspiocbq.iocb,
sizeof (IOCB_t));
+ INIT_LIST_HEAD(&(rspiocbq.list));
irsp = &rspiocbq.iocb;
type = lpfc_sli_iocb_cmd_type(irsp->ulpCommand & CMD_IOCB_MASK);
@@ -1149,6 +1157,11 @@ lpfc_sli_handle_fast_ring_event(struct lpfc_hba * phba,
}
}
break;
+ case LPFC_UNSOL_IOCB:
+ spin_unlock_irqrestore(phba->host->host_lock, iflag);
+ lpfc_sli_process_unsol_iocb(phba, pring, &rspiocbq);
+ spin_lock_irqsave(phba->host->host_lock, iflag);
+ break;
default:
if (irsp->ulpCommand == CMD_ADAPTER_MSG) {
char adaptermsg[LPFC_MAX_ADPTMSG];
@@ -2472,13 +2485,17 @@ lpfc_extra_ring_setup( struct lpfc_hba *phba)
psli = &phba->sli;
/* Adjust cmd/rsp ring iocb entries more evenly */
+
+ /* Take some away from the FCP ring */
pring = &psli->ring[psli->fcp_ring];
pring->numCiocb -= SLI2_IOCB_CMD_R1XTRA_ENTRIES;
pring->numRiocb -= SLI2_IOCB_RSP_R1XTRA_ENTRIES;
pring->numCiocb -= SLI2_IOCB_CMD_R3XTRA_ENTRIES;
pring->numRiocb -= SLI2_IOCB_RSP_R3XTRA_ENTRIES;
- pring = &psli->ring[1];
+ /* and give them to the extra ring */
+ pring = &psli->ring[psli->extra_ring];
+
pring->numCiocb += SLI2_IOCB_CMD_R1XTRA_ENTRIES;
pring->numRiocb += SLI2_IOCB_RSP_R1XTRA_ENTRIES;
pring->numCiocb += SLI2_IOCB_CMD_R3XTRA_ENTRIES;
@@ -2488,8 +2505,8 @@ lpfc_extra_ring_setup( struct lpfc_hba *phba)
pring->iotag_max = 4096;
pring->num_mask = 1;
pring->prt[0].profile = 0; /* Mask 0 */
- pring->prt[0].rctl = FC_UNSOL_DATA;
- pring->prt[0].type = 5;
+ pring->prt[0].rctl = phba->cfg_multi_ring_rctl;
+ pring->prt[0].type = phba->cfg_multi_ring_type;
pring->prt[0].lpfc_sli_rcv_unsol_event = NULL;
return 0;
}
@@ -2505,7 +2522,7 @@ lpfc_sli_setup(struct lpfc_hba *phba)
psli->sli_flag = 0;
psli->fcp_ring = LPFC_FCP_RING;
psli->next_ring = LPFC_FCP_NEXT_RING;
- psli->ip_ring = LPFC_IP_RING;
+ psli->extra_ring = LPFC_EXTRA_RING;
psli->iocbq_lookup = NULL;
psli->iocbq_lookup_len = 0;
@@ -2528,7 +2545,7 @@ lpfc_sli_setup(struct lpfc_hba *phba)
pring->fast_iotag = pring->iotag_max;
pring->num_mask = 0;
break;
- case LPFC_IP_RING: /* ring 1 - IP */
+ case LPFC_EXTRA_RING: /* ring 1 - EXTRA */
/* numCiocb and numRiocb are used in config_port */
pring->numCiocb = SLI2_IOCB_CMD_R1_ENTRIES;
pring->numRiocb = SLI2_IOCB_RSP_R1_ENTRIES;
@@ -3238,6 +3255,21 @@ lpfc_intr_handler(int irq, void *dev_id)
lpfc_sli_handle_fast_ring_event(phba,
&phba->sli.ring[LPFC_FCP_RING],
status);
+
+ if (phba->cfg_multi_ring_support == 2) {
+ /*
+ * Process all events on extra ring. Take the optimized path
+ * for extra ring IO. Any other IO is slow path and is handled
+ * by the worker thread.
+ */
+ status = (ha_copy & (HA_RXMASK << (4*LPFC_EXTRA_RING)));
+ status >>= (4*LPFC_EXTRA_RING);
+ if (status & HA_RXATT) {
+ lpfc_sli_handle_fast_ring_event(phba,
+ &phba->sli.ring[LPFC_EXTRA_RING],
+ status);
+ }
+ }
return IRQ_HANDLED;
} /* lpfc_intr_handler */
diff --git a/drivers/scsi/lpfc/lpfc_sli.h b/drivers/scsi/lpfc/lpfc_sli.h
index e26de680935..a43549959dc 100644
--- a/drivers/scsi/lpfc/lpfc_sli.h
+++ b/drivers/scsi/lpfc/lpfc_sli.h
@@ -198,7 +198,7 @@ struct lpfc_sli {
int fcp_ring; /* ring used for FCP initiator commands */
int next_ring;
- int ip_ring; /* ring used for IP network drv cmds */
+ int extra_ring; /* extra ring used for other protocols */
struct lpfc_sli_stat slistat; /* SLI statistical info */
struct list_head mboxq;
diff --git a/drivers/scsi/lpfc/lpfc_version.h b/drivers/scsi/lpfc/lpfc_version.h
index ac417908b40..a61ef3d1e7f 100644
--- a/drivers/scsi/lpfc/lpfc_version.h
+++ b/drivers/scsi/lpfc/lpfc_version.h
@@ -18,7 +18,7 @@
* included with this package. *
*******************************************************************/
-#define LPFC_DRIVER_VERSION "8.1.10"
+#define LPFC_DRIVER_VERSION "8.1.11"
#define LPFC_DRIVER_NAME "lpfc"
diff --git a/drivers/scsi/megaraid.c b/drivers/scsi/megaraid.c
index 86099fde1b2..77d9d3804cc 100644
--- a/drivers/scsi/megaraid.c
+++ b/drivers/scsi/megaraid.c
@@ -73,10 +73,10 @@ static unsigned short int max_mbox_busy_wait = MBOX_BUSY_WAIT;
module_param(max_mbox_busy_wait, ushort, 0);
MODULE_PARM_DESC(max_mbox_busy_wait, "Maximum wait for mailbox in microseconds if busy (default=MBOX_BUSY_WAIT=10)");
-#define RDINDOOR(adapter) readl((adapter)->base + 0x20)
-#define RDOUTDOOR(adapter) readl((adapter)->base + 0x2C)
-#define WRINDOOR(adapter,value) writel(value, (adapter)->base + 0x20)
-#define WROUTDOOR(adapter,value) writel(value, (adapter)->base + 0x2C)
+#define RDINDOOR(adapter) readl((adapter)->mmio_base + 0x20)
+#define RDOUTDOOR(adapter) readl((adapter)->mmio_base + 0x2C)
+#define WRINDOOR(adapter,value) writel(value, (adapter)->mmio_base + 0x20)
+#define WROUTDOOR(adapter,value) writel(value, (adapter)->mmio_base + 0x2C)
/*
* Global variables
@@ -1386,7 +1386,8 @@ megaraid_isr_memmapped(int irq, void *devp)
handled = 1;
- while( RDINDOOR(adapter) & 0x02 ) cpu_relax();
+ while( RDINDOOR(adapter) & 0x02 )
+ cpu_relax();
mega_cmd_done(adapter, completed, nstatus, status);
@@ -4668,6 +4669,8 @@ megaraid_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
host->host_no, mega_baseport, irq);
adapter->base = mega_baseport;
+ if (flag & BOARD_MEMMAP)
+ adapter->mmio_base = (void __iomem *) mega_baseport;
INIT_LIST_HEAD(&adapter->free_list);
INIT_LIST_HEAD(&adapter->pending_list);
diff --git a/drivers/scsi/megaraid.h b/drivers/scsi/megaraid.h
index 66529f11d23..c6e74643abe 100644
--- a/drivers/scsi/megaraid.h
+++ b/drivers/scsi/megaraid.h
@@ -801,7 +801,8 @@ typedef struct {
clustering is available */
u32 flag;
- unsigned long base;
+ unsigned long base;
+ void __iomem *mmio_base;
/* mbox64 with mbox not aligned on 16-byte boundry */
mbox64_t *una_mbox64;
diff --git a/drivers/scsi/megaraid/megaraid_sas.c b/drivers/scsi/megaraid/megaraid_sas.c
index 7e4262f2af9..046223b4ae5 100644
--- a/drivers/scsi/megaraid/megaraid_sas.c
+++ b/drivers/scsi/megaraid/megaraid_sas.c
@@ -517,7 +517,7 @@ megasas_make_sgl64(struct megasas_instance *instance, struct scsi_cmnd *scp,
* Returns the number of frames required for numnber of sge's (sge_count)
*/
-u32 megasas_get_frame_count(u8 sge_count)
+static u32 megasas_get_frame_count(u8 sge_count)
{
int num_cnt;
int sge_bytes;
@@ -1733,7 +1733,7 @@ megasas_get_ctrl_info(struct megasas_instance *instance,
*
* Tasklet to complete cmds
*/
-void megasas_complete_cmd_dpc(unsigned long instance_addr)
+static void megasas_complete_cmd_dpc(unsigned long instance_addr)
{
u32 producer;
u32 consumer;
diff --git a/drivers/scsi/ncr53c8xx.c b/drivers/scsi/ncr53c8xx.c
index adb8eb4f5fd..bbf521cbc55 100644
--- a/drivers/scsi/ncr53c8xx.c
+++ b/drivers/scsi/ncr53c8xx.c
@@ -589,10 +589,12 @@ static int __map_scsi_sg_data(struct device *dev, struct scsi_cmnd *cmd)
static struct ncr_driver_setup
driver_setup = SCSI_NCR_DRIVER_SETUP;
+#ifndef MODULE
#ifdef SCSI_NCR_BOOT_COMMAND_LINE_SUPPORT
static struct ncr_driver_setup
driver_safe_setup __initdata = SCSI_NCR_DRIVER_SAFE_SETUP;
#endif
+#endif /* !MODULE */
#define initverbose (driver_setup.verbose)
#define bootverbose (np->verbose)
@@ -641,6 +643,13 @@ static struct ncr_driver_setup
#define OPT_IARB 26
#endif
+#ifdef MODULE
+#define ARG_SEP ' '
+#else
+#define ARG_SEP ','
+#endif
+
+#ifndef MODULE
static char setup_token[] __initdata =
"tags:" "mpar:"
"spar:" "disc:"
@@ -660,12 +669,6 @@ static char setup_token[] __initdata =
#endif
; /* DONNOT REMOVE THIS ';' */
-#ifdef MODULE
-#define ARG_SEP ' '
-#else
-#define ARG_SEP ','
-#endif
-
static int __init get_setup_token(char *p)
{
char *cur = setup_token;
@@ -682,7 +685,6 @@ static int __init get_setup_token(char *p)
return 0;
}
-
static int __init sym53c8xx__setup(char *str)
{
#ifdef SCSI_NCR_BOOT_COMMAND_LINE_SUPPORT
@@ -804,6 +806,7 @@ static int __init sym53c8xx__setup(char *str)
#endif /* SCSI_NCR_BOOT_COMMAND_LINE_SUPPORT */
return 1;
}
+#endif /* !MODULE */
/*===================================================================
**
@@ -8321,12 +8324,12 @@ char *ncr53c8xx; /* command line passed by insmod */
module_param(ncr53c8xx, charp, 0);
#endif
+#ifndef MODULE
static int __init ncr53c8xx_setup(char *str)
{
return sym53c8xx__setup(str);
}
-#ifndef MODULE
__setup("ncr53c8xx=", ncr53c8xx_setup);
#endif
diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index 285c8e8ff1a..7b18a6c7b7e 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -390,7 +390,7 @@ static struct sysfs_entry {
{ "optrom_ctl", &sysfs_optrom_ctl_attr, },
{ "vpd", &sysfs_vpd_attr, 1 },
{ "sfp", &sysfs_sfp_attr, 1 },
- { 0 },
+ { NULL },
};
void
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index 08cb5e3fb55..a823f0bc519 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -59,9 +59,6 @@ int
qla2x00_initialize_adapter(scsi_qla_host_t *ha)
{
int rval;
- uint8_t restart_risc = 0;
- uint8_t retry;
- uint32_t wait_time;
/* Clear adapter flags. */
ha->flags.online = 0;
@@ -104,87 +101,15 @@ qla2x00_initialize_adapter(scsi_qla_host_t *ha)
qla_printk(KERN_INFO, ha, "Verifying loaded RISC code...\n");
- retry = 10;
- /*
- * Try to configure the loop.
- */
- do {
- restart_risc = 0;
-
- /* If firmware needs to be loaded */
- if (qla2x00_isp_firmware(ha) != QLA_SUCCESS) {
- if ((rval = ha->isp_ops.chip_diag(ha)) == QLA_SUCCESS) {
- rval = qla2x00_setup_chip(ha);
- }
- }
-
- if (rval == QLA_SUCCESS &&
- (rval = qla2x00_init_rings(ha)) == QLA_SUCCESS) {
-check_fw_ready_again:
- /*
- * Wait for a successful LIP up to a maximum
- * of (in seconds): RISC login timeout value,
- * RISC retry count value, and port down retry
- * value OR a minimum of 4 seconds OR If no
- * cable, only 5 seconds.
- */
- rval = qla2x00_fw_ready(ha);
- if (rval == QLA_SUCCESS) {
- clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
-
- /* Issue a marker after FW becomes ready. */
- qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
-
- /*
- * Wait at most MAX_TARGET RSCNs for a stable
- * link.
- */
- wait_time = 256;
- do {
- clear_bit(LOOP_RESYNC_NEEDED,
- &ha->dpc_flags);
- rval = qla2x00_configure_loop(ha);
-
- if (test_and_clear_bit(ISP_ABORT_NEEDED,
- &ha->dpc_flags)) {
- restart_risc = 1;
- break;
- }
-
- /*
- * If loop state change while we were
- * discoverying devices then wait for
- * LIP to complete
- */
-
- if (atomic_read(&ha->loop_state) !=
- LOOP_READY && retry--) {
- goto check_fw_ready_again;
- }
- wait_time--;
- } while (!atomic_read(&ha->loop_down_timer) &&
- retry &&
- wait_time &&
- (test_bit(LOOP_RESYNC_NEEDED,
- &ha->dpc_flags)));
-
- if (wait_time == 0)
- rval = QLA_FUNCTION_FAILED;
- } else if (ha->device_flags & DFLG_NO_CABLE)
- /* If no cable, then all is good. */
- rval = QLA_SUCCESS;
- }
- } while (restart_risc && retry--);
-
- if (rval == QLA_SUCCESS) {
- clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
- qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
- ha->marker_needed = 0;
-
- ha->flags.online = 1;
- } else {
- DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__));
+ if (qla2x00_isp_firmware(ha) != QLA_SUCCESS) {
+ rval = ha->isp_ops.chip_diag(ha);
+ if (rval)
+ return (rval);
+ rval = qla2x00_setup_chip(ha);
+ if (rval)
+ return (rval);
}
+ rval = qla2x00_init_rings(ha);
return (rval);
}
@@ -2208,8 +2133,7 @@ qla2x00_update_fcport(scsi_qla_host_t *ha, fc_port_t *fcport)
atomic_set(&fcport->state, FCS_ONLINE);
- if (ha->flags.init_done)
- qla2x00_reg_remote_port(ha, fcport);
+ qla2x00_reg_remote_port(ha, fcport);
}
void
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 208607be78c..cbe0cad83b6 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -95,6 +95,8 @@ MODULE_PARM_DESC(ql2xqfullrampup,
*/
static int qla2xxx_slave_configure(struct scsi_device * device);
static int qla2xxx_slave_alloc(struct scsi_device *);
+static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time);
+static void qla2xxx_scan_start(struct Scsi_Host *);
static void qla2xxx_slave_destroy(struct scsi_device *);
static int qla2x00_queuecommand(struct scsi_cmnd *cmd,
void (*fn)(struct scsi_cmnd *));
@@ -124,6 +126,8 @@ static struct scsi_host_template qla2x00_driver_template = {
.slave_alloc = qla2xxx_slave_alloc,
.slave_destroy = qla2xxx_slave_destroy,
+ .scan_finished = qla2xxx_scan_finished,
+ .scan_start = qla2xxx_scan_start,
.change_queue_depth = qla2x00_change_queue_depth,
.change_queue_type = qla2x00_change_queue_type,
.this_id = -1,
@@ -287,7 +291,7 @@ qla24xx_pci_info_str(struct scsi_qla_host *ha, char *str)
return str;
}
-char *
+static char *
qla2x00_fw_version_str(struct scsi_qla_host *ha, char *str)
{
char un_str[10];
@@ -325,7 +329,7 @@ qla2x00_fw_version_str(struct scsi_qla_host *ha, char *str)
return (str);
}
-char *
+static char *
qla24xx_fw_version_str(struct scsi_qla_host *ha, char *str)
{
sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
@@ -634,7 +638,7 @@ qla2x00_block_error_handler(struct scsi_cmnd *cmnd)
* Note:
* Only return FAILED if command not returned by firmware.
**************************************************************************/
-int
+static int
qla2xxx_eh_abort(struct scsi_cmnd *cmd)
{
scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
@@ -771,7 +775,7 @@ qla2x00_eh_wait_for_pending_target_commands(scsi_qla_host_t *ha, unsigned int t)
* SUCCESS/FAILURE (defined as macro in scsi.h).
*
**************************************************************************/
-int
+static int
qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
{
scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
@@ -902,7 +906,7 @@ qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *ha)
* SUCCESS/FAILURE (defined as macro in scsi.h).
*
**************************************************************************/
-int
+static int
qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
{
scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
@@ -963,7 +967,7 @@ eh_bus_reset_done:
*
* Note:
**************************************************************************/
-int
+static int
qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
{
scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
@@ -1366,6 +1370,29 @@ qla24xx_disable_intrs(scsi_qla_host_t *ha)
spin_unlock_irqrestore(&ha->hardware_lock, flags);
}
+static void
+qla2xxx_scan_start(struct Scsi_Host *shost)
+{
+ scsi_qla_host_t *ha = (scsi_qla_host_t *)shost->hostdata;
+
+ set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
+ set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
+ set_bit(RSCN_UPDATE, &ha->dpc_flags);
+}
+
+static int
+qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
+{
+ scsi_qla_host_t *ha = (scsi_qla_host_t *)shost->hostdata;
+
+ if (!ha->host)
+ return 1;
+ if (time > ha->loop_reset_delay * HZ)
+ return 1;
+
+ return atomic_read(&ha->loop_state) == LOOP_READY;
+}
+
/*
* PCI driver interface
*/
@@ -1377,10 +1404,8 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
struct Scsi_Host *host;
scsi_qla_host_t *ha;
unsigned long flags = 0;
- unsigned long wait_switch = 0;
char pci_info[20];
char fw_str[30];
- fc_port_t *fcport;
struct scsi_host_template *sht;
if (pci_enable_device(pdev))
@@ -1631,30 +1656,19 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
ha->isp_ops.enable_intrs(ha);
- /* v2.19.5b6 */
- /*
- * Wait around max loop_reset_delay secs for the devices to come
- * on-line. We don't want Linux scanning before we are ready.
- *
- */
- for (wait_switch = jiffies + (ha->loop_reset_delay * HZ);
- time_before(jiffies,wait_switch) &&
- !(ha->device_flags & (DFLG_NO_CABLE | DFLG_FABRIC_DEVICES))
- && (ha->device_flags & SWITCH_FOUND) ;) {
-
- qla2x00_check_fabric_devices(ha);
-
- msleep(10);
- }
-
pci_set_drvdata(pdev, ha);
+
ha->flags.init_done = 1;
+ ha->flags.online = 1;
+
num_hosts++;
ret = scsi_add_host(host, &pdev->dev);
if (ret)
goto probe_failed;
+ scsi_scan_host(host);
+
qla2x00_alloc_sysfs_attr(ha);
qla2x00_init_host_attr(ha);
@@ -1669,10 +1683,6 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
ha->flags.enable_64bit_addressing ? '+': '-', ha->host_no,
ha->isp_ops.fw_version_str(ha, fw_str));
- /* Go with fc_rport registration. */
- list_for_each_entry(fcport, &ha->fcports, list)
- qla2x00_reg_remote_port(ha, fcport);
-
return 0;
probe_failed:
diff --git a/drivers/scsi/qla2xxx/qla_sup.c b/drivers/scsi/qla2xxx/qla_sup.c
index c71dbd5bd54..15390ad8745 100644
--- a/drivers/scsi/qla2xxx/qla_sup.c
+++ b/drivers/scsi/qla2xxx/qla_sup.c
@@ -449,7 +449,7 @@ nvram_data_to_access_addr(uint32_t naddr)
return FARX_ACCESS_NVRAM_DATA | naddr;
}
-uint32_t
+static uint32_t
qla24xx_read_flash_dword(scsi_qla_host_t *ha, uint32_t addr)
{
int rval;
@@ -490,7 +490,7 @@ qla24xx_read_flash_data(scsi_qla_host_t *ha, uint32_t *dwptr, uint32_t faddr,
return dwptr;
}
-int
+static int
qla24xx_write_flash_dword(scsi_qla_host_t *ha, uint32_t addr, uint32_t data)
{
int rval;
@@ -512,7 +512,7 @@ qla24xx_write_flash_dword(scsi_qla_host_t *ha, uint32_t addr, uint32_t data)
return rval;
}
-void
+static void
qla24xx_get_flash_manufacturer(scsi_qla_host_t *ha, uint8_t *man_id,
uint8_t *flash_id)
{
@@ -537,7 +537,7 @@ qla24xx_get_flash_manufacturer(scsi_qla_host_t *ha, uint8_t *man_id,
}
}
-int
+static int
qla24xx_write_flash_data(scsi_qla_host_t *ha, uint32_t *dwptr, uint32_t faddr,
uint32_t dwords)
{
diff --git a/drivers/scsi/qla4xxx/ql4_dbg.c b/drivers/scsi/qla4xxx/ql4_dbg.c
index 752031fadfe..7b4e077a39c 100644
--- a/drivers/scsi/qla4xxx/ql4_dbg.c
+++ b/drivers/scsi/qla4xxx/ql4_dbg.c
@@ -71,7 +71,7 @@ void __dump_registers(struct scsi_qla_host *ha)
readw(&ha->reg->u1.isp4010.nvram));
}
- else if (is_qla4022(ha)) {
+ else if (is_qla4022(ha) | is_qla4032(ha)) {
printk(KERN_INFO "0x%02X intr_mask = 0x%08X\n",
(uint8_t) offsetof(struct isp_reg,
u1.isp4022.intr_mask),
@@ -119,7 +119,7 @@ void __dump_registers(struct scsi_qla_host *ha)
readw(&ha->reg->u2.isp4010.port_err_status));
}
- else if (is_qla4022(ha)) {
+ else if (is_qla4022(ha) | is_qla4032(ha)) {
printk(KERN_INFO "Page 0 Registers:\n");
printk(KERN_INFO "0x%02X ext_hw_conf = 0x%08X\n",
(uint8_t) offsetof(struct isp_reg,
diff --git a/drivers/scsi/qla4xxx/ql4_def.h b/drivers/scsi/qla4xxx/ql4_def.h
index a7f6c7b1c59..4249e52a559 100644
--- a/drivers/scsi/qla4xxx/ql4_def.h
+++ b/drivers/scsi/qla4xxx/ql4_def.h
@@ -40,7 +40,11 @@
#ifndef PCI_DEVICE_ID_QLOGIC_ISP4022
#define PCI_DEVICE_ID_QLOGIC_ISP4022 0x4022
-#endif /* */
+#endif
+
+#ifndef PCI_DEVICE_ID_QLOGIC_ISP4032
+#define PCI_DEVICE_ID_QLOGIC_ISP4032 0x4032
+#endif
#define QLA_SUCCESS 0
#define QLA_ERROR 1
@@ -277,7 +281,6 @@ struct scsi_qla_host {
#define AF_INTERRUPTS_ON 6 /* 0x00000040 Not Used */
#define AF_GET_CRASH_RECORD 7 /* 0x00000080 */
#define AF_LINK_UP 8 /* 0x00000100 */
-#define AF_TOPCAT_CHIP_PRESENT 9 /* 0x00000200 */
#define AF_IRQ_ATTACHED 10 /* 0x00000400 */
#define AF_ISNS_CMD_IN_PROCESS 12 /* 0x00001000 */
#define AF_ISNS_CMD_DONE 13 /* 0x00002000 */
@@ -317,16 +320,17 @@ struct scsi_qla_host {
/* NVRAM registers */
struct eeprom_data *nvram;
spinlock_t hardware_lock ____cacheline_aligned;
- spinlock_t list_lock;
uint32_t eeprom_cmd_data;
/* Counters for general statistics */
+ uint64_t isr_count;
uint64_t adapter_error_count;
uint64_t device_error_count;
uint64_t total_io_count;
uint64_t total_mbytes_xferred;
uint64_t link_failure_count;
uint64_t invalid_crc_count;
+ uint32_t bytes_xfered;
uint32_t spurious_int_count;
uint32_t aborted_io_count;
uint32_t io_timeout_count;
@@ -438,6 +442,11 @@ static inline int is_qla4022(struct scsi_qla_host *ha)
return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP4022;
}
+static inline int is_qla4032(struct scsi_qla_host *ha)
+{
+ return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP4032;
+}
+
static inline int adapter_up(struct scsi_qla_host *ha)
{
return (test_bit(AF_ONLINE, &ha->flags) != 0) &&
@@ -451,58 +460,58 @@ static inline struct scsi_qla_host* to_qla_host(struct Scsi_Host *shost)
static inline void __iomem* isp_semaphore(struct scsi_qla_host *ha)
{
- return (is_qla4022(ha) ?
- &ha->reg->u1.isp4022.semaphore :
- &ha->reg->u1.isp4010.nvram);
+ return (is_qla4010(ha) ?
+ &ha->reg->u1.isp4010.nvram :
+ &ha->reg->u1.isp4022.semaphore);
}
static inline void __iomem* isp_nvram(struct scsi_qla_host *ha)
{
- return (is_qla4022(ha) ?
- &ha->reg->u1.isp4022.nvram :
- &ha->reg->u1.isp4010.nvram);
+ return (is_qla4010(ha) ?
+ &ha->reg->u1.isp4010.nvram :
+ &ha->reg->u1.isp4022.nvram);
}
static inline void __iomem* isp_ext_hw_conf(struct scsi_qla_host *ha)
{
- return (is_qla4022(ha) ?
- &ha->reg->u2.isp4022.p0.ext_hw_conf :
- &ha->reg->u2.isp4010.ext_hw_conf);
+ return (is_qla4010(ha) ?
+ &ha->reg->u2.isp4010.ext_hw_conf :
+ &ha->reg->u2.isp4022.p0.ext_hw_conf);
}
static inline void __iomem* isp_port_status(struct scsi_qla_host *ha)
{
- return (is_qla4022(ha) ?
- &ha->reg->u2.isp4022.p0.port_status :
- &ha->reg->u2.isp4010.port_status);
+ return (is_qla4010(ha) ?
+ &ha->reg->u2.isp4010.port_status :
+ &ha->reg->u2.isp4022.p0.port_status);
}
static inline void __iomem* isp_port_ctrl(struct scsi_qla_host *ha)
{
- return (is_qla4022(ha) ?
- &ha->reg->u2.isp4022.p0.port_ctrl :
- &ha->reg->u2.isp4010.port_ctrl);
+ return (is_qla4010(ha) ?
+ &ha->reg->u2.isp4010.port_ctrl :
+ &ha->reg->u2.isp4022.p0.port_ctrl);
}
static inline void __iomem* isp_port_error_status(struct scsi_qla_host *ha)
{
- return (is_qla4022(ha) ?
- &ha->reg->u2.isp4022.p0.port_err_status :
- &ha->reg->u2.isp4010.port_err_status);
+ return (is_qla4010(ha) ?
+ &ha->reg->u2.isp4010.port_err_status :
+ &ha->reg->u2.isp4022.p0.port_err_status);
}
static inline void __iomem * isp_gp_out(struct scsi_qla_host *ha)
{
- return (is_qla4022(ha) ?
- &ha->reg->u2.isp4022.p0.gp_out :
- &ha->reg->u2.isp4010.gp_out);
+ return (is_qla4010(ha) ?
+ &ha->reg->u2.isp4010.gp_out :
+ &ha->reg->u2.isp4022.p0.gp_out);
}
static inline int eeprom_ext_hw_conf_offset(struct scsi_qla_host *ha)
{
- return (is_qla4022(ha) ?
- offsetof(struct eeprom_data, isp4022.ext_hw_conf) / 2 :
- offsetof(struct eeprom_data, isp4010.ext_hw_conf) / 2);
+ return (is_qla4010(ha) ?
+ offsetof(struct eeprom_data, isp4010.ext_hw_conf) / 2 :
+ offsetof(struct eeprom_data, isp4022.ext_hw_conf) / 2);
}
int ql4xxx_sem_spinlock(struct scsi_qla_host * ha, u32 sem_mask, u32 sem_bits);
@@ -511,59 +520,59 @@ int ql4xxx_sem_lock(struct scsi_qla_host * ha, u32 sem_mask, u32 sem_bits);
static inline int ql4xxx_lock_flash(struct scsi_qla_host *a)
{
- if (is_qla4022(a))
+ if (is_qla4010(a))
+ return ql4xxx_sem_spinlock(a, QL4010_FLASH_SEM_MASK,
+ QL4010_FLASH_SEM_BITS);
+ else
return ql4xxx_sem_spinlock(a, QL4022_FLASH_SEM_MASK,
(QL4022_RESOURCE_BITS_BASE_CODE |
(a->mac_index)) << 13);
- else
- return ql4xxx_sem_spinlock(a, QL4010_FLASH_SEM_MASK,
- QL4010_FLASH_SEM_BITS);
}
static inline void ql4xxx_unlock_flash(struct scsi_qla_host *a)
{
- if (is_qla4022(a))
- ql4xxx_sem_unlock(a, QL4022_FLASH_SEM_MASK);
- else
+ if (is_qla4010(a))
ql4xxx_sem_unlock(a, QL4010_FLASH_SEM_MASK);
+ else
+ ql4xxx_sem_unlock(a, QL4022_FLASH_SEM_MASK);
}
static inline int ql4xxx_lock_nvram(struct scsi_qla_host *a)
{
- if (is_qla4022(a))
+ if (is_qla4010(a))
+ return ql4xxx_sem_spinlock(a, QL4010_NVRAM_SEM_MASK,
+ QL4010_NVRAM_SEM_BITS);
+ else
return ql4xxx_sem_spinlock(a, QL4022_NVRAM_SEM_MASK,
(QL4022_RESOURCE_BITS_BASE_CODE |
(a->mac_index)) << 10);
- else
- return ql4xxx_sem_spinlock(a, QL4010_NVRAM_SEM_MASK,
- QL4010_NVRAM_SEM_BITS);
}
static inline void ql4xxx_unlock_nvram(struct scsi_qla_host *a)
{
- if (is_qla4022(a))
- ql4xxx_sem_unlock(a, QL4022_NVRAM_SEM_MASK);
- else
+ if (is_qla4010(a))
ql4xxx_sem_unlock(a, QL4010_NVRAM_SEM_MASK);
+ else
+ ql4xxx_sem_unlock(a, QL4022_NVRAM_SEM_MASK);
}
static inline int ql4xxx_lock_drvr(struct scsi_qla_host *a)
{
- if (is_qla4022(a))
+ if (is_qla4010(a))
+ return ql4xxx_sem_lock(a, QL4010_DRVR_SEM_MASK,
+ QL4010_DRVR_SEM_BITS);
+ else
return ql4xxx_sem_lock(a, QL4022_DRVR_SEM_MASK,
(QL4022_RESOURCE_BITS_BASE_CODE |
(a->mac_index)) << 1);
- else
- return ql4xxx_sem_lock(a, QL4010_DRVR_SEM_MASK,
- QL4010_DRVR_SEM_BITS);
}
static inline void ql4xxx_unlock_drvr(struct scsi_qla_host *a)
{
- if (is_qla4022(a))
- ql4xxx_sem_unlock(a, QL4022_DRVR_SEM_MASK);
- else
+ if (is_qla4010(a))
ql4xxx_sem_unlock(a, QL4010_DRVR_SEM_MASK);
+ else
+ ql4xxx_sem_unlock(a, QL4022_DRVR_SEM_MASK);
}
/*---------------------------------------------------------------------------*/
diff --git a/drivers/scsi/qla4xxx/ql4_fw.h b/drivers/scsi/qla4xxx/ql4_fw.h
index 427489de64b..4eea8c57191 100644
--- a/drivers/scsi/qla4xxx/ql4_fw.h
+++ b/drivers/scsi/qla4xxx/ql4_fw.h
@@ -296,7 +296,6 @@ static inline uint32_t clr_rmask(uint32_t val)
/* ISP Semaphore definitions */
/* ISP General Purpose Output definitions */
-#define GPOR_TOPCAT_RESET 0x00000004
/* shadow registers (DMA'd from HA to system memory. read only) */
struct shadow_regs {
@@ -339,10 +338,13 @@ union external_hw_config_reg {
/* Mailbox command definitions */
#define MBOX_CMD_ABOUT_FW 0x0009
#define MBOX_CMD_LUN_RESET 0x0016
+#define MBOX_CMD_GET_MANAGEMENT_DATA 0x001E
#define MBOX_CMD_GET_FW_STATUS 0x001F
#define MBOX_CMD_SET_ISNS_SERVICE 0x0021
#define ISNS_DISABLE 0
#define ISNS_ENABLE 1
+#define MBOX_CMD_COPY_FLASH 0x0024
+#define MBOX_CMD_WRITE_FLASH 0x0025
#define MBOX_CMD_READ_FLASH 0x0026
#define MBOX_CMD_CLEAR_DATABASE_ENTRY 0x0031
#define MBOX_CMD_CONN_CLOSE_SESS_LOGOUT 0x0056
@@ -360,10 +362,13 @@ union external_hw_config_reg {
#define DDB_DS_SESSION_FAILED 0x06
#define DDB_DS_LOGIN_IN_PROCESS 0x07
#define MBOX_CMD_GET_FW_STATE 0x0069
+#define MBOX_CMD_GET_INIT_FW_CTRL_BLOCK_DEFAULTS 0x006A
+#define MBOX_CMD_RESTORE_FACTORY_DEFAULTS 0x0087
/* Mailbox 1 */
#define FW_STATE_READY 0x0000
#define FW_STATE_CONFIG_WAIT 0x0001
+#define FW_STATE_WAIT_LOGIN 0x0002
#define FW_STATE_ERROR 0x0004
#define FW_STATE_DHCP_IN_PROGRESS 0x0008
diff --git a/drivers/scsi/qla4xxx/ql4_glbl.h b/drivers/scsi/qla4xxx/ql4_glbl.h
index 1b221ff0f6f..2122967bbf0 100644
--- a/drivers/scsi/qla4xxx/ql4_glbl.h
+++ b/drivers/scsi/qla4xxx/ql4_glbl.h
@@ -8,6 +8,7 @@
#ifndef __QLA4x_GBL_H
#define __QLA4x_GBL_H
+int ql4xxx_lock_drvr_wait(struct scsi_qla_host *a);
int qla4xxx_send_tgts(struct scsi_qla_host *ha, char *ip, uint16_t port);
int qla4xxx_send_command_to_isp(struct scsi_qla_host *ha, struct srb * srb);
int qla4xxx_initialize_adapter(struct scsi_qla_host * ha,
@@ -75,4 +76,4 @@ int qla4xxx_process_ddb_changed(struct scsi_qla_host * ha,
extern int ql4xextended_error_logging;
extern int ql4xdiscoverywait;
extern int ql4xdontresethba;
-#endif /* _QLA4x_GBL_H */
+#endif /* _QLA4x_GBL_H */
diff --git a/drivers/scsi/qla4xxx/ql4_init.c b/drivers/scsi/qla4xxx/ql4_init.c
index bb3a1c11f44..cc210f297a7 100644
--- a/drivers/scsi/qla4xxx/ql4_init.c
+++ b/drivers/scsi/qla4xxx/ql4_init.c
@@ -259,10 +259,16 @@ static int qla4xxx_fw_ready(struct scsi_qla_host *ha)
"seconds expired= %d\n", ha->host_no, __func__,
ha->firmware_state, ha->addl_fw_state,
timeout_count));
+ if (is_qla4032(ha) &&
+ !(ha->addl_fw_state & FW_ADDSTATE_LINK_UP) &&
+ (timeout_count < ADAPTER_INIT_TOV - 5)) {
+ break;
+ }
+
msleep(1000);
} /* end of for */
- if (timeout_count <= 0)
+ if (timeout_count == 0)
DEBUG2(printk("scsi%ld: %s: FW Initialization timed out!\n",
ha->host_no, __func__));
@@ -806,32 +812,6 @@ int qla4xxx_relogin_device(struct scsi_qla_host *ha,
return QLA_SUCCESS;
}
-/**
- * qla4010_get_topcat_presence - check if it is QLA4040 TopCat Chip
- * @ha: Pointer to host adapter structure.
- *
- **/
-static int qla4010_get_topcat_presence(struct scsi_qla_host *ha)
-{
- unsigned long flags;
- uint16_t topcat;
-
- if (ql4xxx_lock_nvram(ha) != QLA_SUCCESS)
- return QLA_ERROR;
- spin_lock_irqsave(&ha->hardware_lock, flags);
- topcat = rd_nvram_word(ha, offsetof(struct eeprom_data,
- isp4010.topcat));
- spin_unlock_irqrestore(&ha->hardware_lock, flags);
-
- if ((topcat & TOPCAT_MASK) == TOPCAT_PRESENT)
- set_bit(AF_TOPCAT_CHIP_PRESENT, &ha->flags);
- else
- clear_bit(AF_TOPCAT_CHIP_PRESENT, &ha->flags);
- ql4xxx_unlock_nvram(ha);
- return QLA_SUCCESS;
-}
-
-
static int qla4xxx_config_nvram(struct scsi_qla_host *ha)
{
unsigned long flags;
@@ -866,7 +846,7 @@ static int qla4xxx_config_nvram(struct scsi_qla_host *ha)
/* set defaults */
if (is_qla4010(ha))
extHwConfig.Asuint32_t = 0x1912;
- else if (is_qla4022(ha))
+ else if (is_qla4022(ha) | is_qla4032(ha))
extHwConfig.Asuint32_t = 0x0023;
}
DEBUG(printk("scsi%ld: %s: Setting extHwConfig to 0xFFFF%04x\n",
@@ -927,7 +907,7 @@ static int qla4xxx_start_firmware_from_flash(struct scsi_qla_host *ha)
spin_lock_irqsave(&ha->hardware_lock, flags);
writel(jiffies, &ha->reg->mailbox[7]);
- if (is_qla4022(ha))
+ if (is_qla4022(ha) | is_qla4032(ha))
writel(set_rmask(NVR_WRITE_ENABLE),
&ha->reg->u1.isp4022.nvram);
@@ -978,7 +958,7 @@ static int qla4xxx_start_firmware_from_flash(struct scsi_qla_host *ha)
return status;
}
-static int ql4xxx_lock_drvr_wait(struct scsi_qla_host *a)
+int ql4xxx_lock_drvr_wait(struct scsi_qla_host *a)
{
#define QL4_LOCK_DRVR_WAIT 300
#define QL4_LOCK_DRVR_SLEEP 100
@@ -1018,12 +998,7 @@ static int qla4xxx_start_firmware(struct scsi_qla_host *ha)
int soft_reset = 1;
int config_chip = 0;
- if (is_qla4010(ha)){
- if (qla4010_get_topcat_presence(ha) != QLA_SUCCESS)
- return QLA_ERROR;
- }
-
- if (is_qla4022(ha))
+ if (is_qla4022(ha) | is_qla4032(ha))
ql4xxx_set_mac_number(ha);
if (ql4xxx_lock_drvr_wait(ha) != QLA_SUCCESS)
diff --git a/drivers/scsi/qla4xxx/ql4_inline.h b/drivers/scsi/qla4xxx/ql4_inline.h
index 0d61797af7d..6375eb017dd 100644
--- a/drivers/scsi/qla4xxx/ql4_inline.h
+++ b/drivers/scsi/qla4xxx/ql4_inline.h
@@ -38,7 +38,7 @@ qla4xxx_lookup_ddb_by_fw_index(struct scsi_qla_host *ha, uint32_t fw_ddb_index)
static inline void
__qla4xxx_enable_intrs(struct scsi_qla_host *ha)
{
- if (is_qla4022(ha)) {
+ if (is_qla4022(ha) | is_qla4032(ha)) {
writel(set_rmask(IMR_SCSI_INTR_ENABLE),
&ha->reg->u1.isp4022.intr_mask);
readl(&ha->reg->u1.isp4022.intr_mask);
@@ -52,7 +52,7 @@ __qla4xxx_enable_intrs(struct scsi_qla_host *ha)
static inline void
__qla4xxx_disable_intrs(struct scsi_qla_host *ha)
{
- if (is_qla4022(ha)) {
+ if (is_qla4022(ha) | is_qla4032(ha)) {
writel(clr_rmask(IMR_SCSI_INTR_ENABLE),
&ha->reg->u1.isp4022.intr_mask);
readl(&ha->reg->u1.isp4022.intr_mask);
diff --git a/drivers/scsi/qla4xxx/ql4_iocb.c b/drivers/scsi/qla4xxx/ql4_iocb.c
index c0a254b89a3..d41ce380eed 100644
--- a/drivers/scsi/qla4xxx/ql4_iocb.c
+++ b/drivers/scsi/qla4xxx/ql4_iocb.c
@@ -294,6 +294,12 @@ int qla4xxx_send_command_to_isp(struct scsi_qla_host *ha, struct srb * srb)
cmd_entry->control_flags = CF_WRITE;
else if (cmd->sc_data_direction == DMA_FROM_DEVICE)
cmd_entry->control_flags = CF_READ;
+
+ ha->bytes_xfered += cmd->request_bufflen;
+ if (ha->bytes_xfered & ~0xFFFFF){
+ ha->total_mbytes_xferred += ha->bytes_xfered >> 20;
+ ha->bytes_xfered &= 0xFFFFF;
+ }
}
/* Set tagged queueing control flags */
diff --git a/drivers/scsi/qla4xxx/ql4_isr.c b/drivers/scsi/qla4xxx/ql4_isr.c
index 1e283321a59..ef975e0dc87 100644
--- a/drivers/scsi/qla4xxx/ql4_isr.c
+++ b/drivers/scsi/qla4xxx/ql4_isr.c
@@ -627,6 +627,7 @@ irqreturn_t qla4xxx_intr_handler(int irq, void *dev_id)
spin_lock_irqsave(&ha->hardware_lock, flags);
+ ha->isr_count++;
/*
* Repeatedly service interrupts up to a maximum of
* MAX_REQS_SERVICED_PER_INTR
diff --git a/drivers/scsi/qla4xxx/ql4_nvram.c b/drivers/scsi/qla4xxx/ql4_nvram.c
index e3957ca5b64..58afd135aa1 100644
--- a/drivers/scsi/qla4xxx/ql4_nvram.c
+++ b/drivers/scsi/qla4xxx/ql4_nvram.c
@@ -7,15 +7,22 @@
#include "ql4_def.h"
+static inline void eeprom_cmd(uint32_t cmd, struct scsi_qla_host *ha)
+{
+ writel(cmd, isp_nvram(ha));
+ readl(isp_nvram(ha));
+ udelay(1);
+}
+
static inline int eeprom_size(struct scsi_qla_host *ha)
{
- return is_qla4022(ha) ? FM93C86A_SIZE_16 : FM93C66A_SIZE_16;
+ return is_qla4010(ha) ? FM93C66A_SIZE_16 : FM93C86A_SIZE_16;
}
static inline int eeprom_no_addr_bits(struct scsi_qla_host *ha)
{
- return is_qla4022(ha) ? FM93C86A_NO_ADDR_BITS_16 :
- FM93C56A_NO_ADDR_BITS_16;
+ return is_qla4010(ha) ? FM93C56A_NO_ADDR_BITS_16 :
+ FM93C86A_NO_ADDR_BITS_16 ;
}
static inline int eeprom_no_data_bits(struct scsi_qla_host *ha)
@@ -28,8 +35,7 @@ static int fm93c56a_select(struct scsi_qla_host * ha)
DEBUG5(printk(KERN_ERR "fm93c56a_select:\n"));
ha->eeprom_cmd_data = AUBURN_EEPROM_CS_1 | 0x000f0000;
- writel(ha->eeprom_cmd_data, isp_nvram(ha));
- readl(isp_nvram(ha));
+ eeprom_cmd(ha->eeprom_cmd_data, ha);
return 1;
}
@@ -41,12 +47,13 @@ static int fm93c56a_cmd(struct scsi_qla_host * ha, int cmd, int addr)
int previousBit;
/* Clock in a zero, then do the start bit. */
- writel(ha->eeprom_cmd_data | AUBURN_EEPROM_DO_1, isp_nvram(ha));
- writel(ha->eeprom_cmd_data | AUBURN_EEPROM_DO_1 |
- AUBURN_EEPROM_CLK_RISE, isp_nvram(ha));
- writel(ha->eeprom_cmd_data | AUBURN_EEPROM_DO_1 |
- AUBURN_EEPROM_CLK_FALL, isp_nvram(ha));
- readl(isp_nvram(ha));
+ eeprom_cmd(ha->eeprom_cmd_data | AUBURN_EEPROM_DO_1, ha);
+
+ eeprom_cmd(ha->eeprom_cmd_data | AUBURN_EEPROM_DO_1 |
+ AUBURN_EEPROM_CLK_RISE, ha);
+ eeprom_cmd(ha->eeprom_cmd_data | AUBURN_EEPROM_DO_1 |
+ AUBURN_EEPROM_CLK_FALL, ha);
+
mask = 1 << (FM93C56A_CMD_BITS - 1);
/* Force the previous data bit to be different. */
@@ -60,14 +67,14 @@ static int fm93c56a_cmd(struct scsi_qla_host * ha, int cmd, int addr)
* If the bit changed, then change the DO state to
* match.
*/
- writel(ha->eeprom_cmd_data | dataBit, isp_nvram(ha));
+ eeprom_cmd(ha->eeprom_cmd_data | dataBit, ha);
previousBit = dataBit;
}
- writel(ha->eeprom_cmd_data | dataBit |
- AUBURN_EEPROM_CLK_RISE, isp_nvram(ha));
- writel(ha->eeprom_cmd_data | dataBit |
- AUBURN_EEPROM_CLK_FALL, isp_nvram(ha));
- readl(isp_nvram(ha));
+ eeprom_cmd(ha->eeprom_cmd_data | dataBit |
+ AUBURN_EEPROM_CLK_RISE, ha);
+ eeprom_cmd(ha->eeprom_cmd_data | dataBit |
+ AUBURN_EEPROM_CLK_FALL, ha);
+
cmd = cmd << 1;
}
mask = 1 << (eeprom_no_addr_bits(ha) - 1);
@@ -82,14 +89,15 @@ static int fm93c56a_cmd(struct scsi_qla_host * ha, int cmd, int addr)
* If the bit changed, then change the DO state to
* match.
*/
- writel(ha->eeprom_cmd_data | dataBit, isp_nvram(ha));
+ eeprom_cmd(ha->eeprom_cmd_data | dataBit, ha);
+
previousBit = dataBit;
}
- writel(ha->eeprom_cmd_data | dataBit |
- AUBURN_EEPROM_CLK_RISE, isp_nvram(ha));
- writel(ha->eeprom_cmd_data | dataBit |
- AUBURN_EEPROM_CLK_FALL, isp_nvram(ha));
- readl(isp_nvram(ha));
+ eeprom_cmd(ha->eeprom_cmd_data | dataBit |
+ AUBURN_EEPROM_CLK_RISE, ha);
+ eeprom_cmd(ha->eeprom_cmd_data | dataBit |
+ AUBURN_EEPROM_CLK_FALL, ha);
+
addr = addr << 1;
}
return 1;
@@ -98,8 +106,7 @@ static int fm93c56a_cmd(struct scsi_qla_host * ha, int cmd, int addr)
static int fm93c56a_deselect(struct scsi_qla_host * ha)
{
ha->eeprom_cmd_data = AUBURN_EEPROM_CS_0 | 0x000f0000;
- writel(ha->eeprom_cmd_data, isp_nvram(ha));
- readl(isp_nvram(ha));
+ eeprom_cmd(ha->eeprom_cmd_data, ha);
return 1;
}
@@ -112,12 +119,13 @@ static int fm93c56a_datain(struct scsi_qla_host * ha, unsigned short *value)
/* Read the data bits
* The first bit is a dummy. Clock right over it. */
for (i = 0; i < eeprom_no_data_bits(ha); i++) {
- writel(ha->eeprom_cmd_data |
- AUBURN_EEPROM_CLK_RISE, isp_nvram(ha));
- writel(ha->eeprom_cmd_data |
- AUBURN_EEPROM_CLK_FALL, isp_nvram(ha));
- dataBit =
- (readw(isp_nvram(ha)) & AUBURN_EEPROM_DI_1) ? 1 : 0;
+ eeprom_cmd(ha->eeprom_cmd_data |
+ AUBURN_EEPROM_CLK_RISE, ha);
+ eeprom_cmd(ha->eeprom_cmd_data |
+ AUBURN_EEPROM_CLK_FALL, ha);
+
+ dataBit = (readw(isp_nvram(ha)) & AUBURN_EEPROM_DI_1) ? 1 : 0;
+
data = (data << 1) | dataBit;
}
diff --git a/drivers/scsi/qla4xxx/ql4_nvram.h b/drivers/scsi/qla4xxx/ql4_nvram.h
index 08e2aed8c6c..b47b4fc59d8 100644
--- a/drivers/scsi/qla4xxx/ql4_nvram.h
+++ b/drivers/scsi/qla4xxx/ql4_nvram.h
@@ -134,9 +134,7 @@ struct eeprom_data {
u16 phyConfig; /* x36 */
#define PHY_CONFIG_PHY_ADDR_MASK 0x1f
#define PHY_CONFIG_ENABLE_FW_MANAGEMENT_MASK 0x20
- u16 topcat; /* x38 */
-#define TOPCAT_PRESENT 0x0100
-#define TOPCAT_MASK 0xFF00
+ u16 reserved_56; /* x38 */
#define EEPROM_UNUSED_1_SIZE 2
u8 unused_1[EEPROM_UNUSED_1_SIZE]; /* x3A */
diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c
index 5b8db610953..db9d88e7bee 100644
--- a/drivers/scsi/qla4xxx/ql4_os.c
+++ b/drivers/scsi/qla4xxx/ql4_os.c
@@ -708,10 +708,10 @@ static int qla4xxx_cmd_wait(struct scsi_qla_host *ha)
}
/**
- * qla4010_soft_reset - performs soft reset.
+ * qla4xxx_soft_reset - performs soft reset.
* @ha: Pointer to host adapter structure.
**/
-static int qla4010_soft_reset(struct scsi_qla_host *ha)
+int qla4xxx_soft_reset(struct scsi_qla_host *ha)
{
uint32_t max_wait_time;
unsigned long flags = 0;
@@ -817,29 +817,6 @@ static int qla4010_soft_reset(struct scsi_qla_host *ha)
}
/**
- * qla4xxx_topcat_reset - performs hard reset of TopCat Chip.
- * @ha: Pointer to host adapter structure.
- **/
-static int qla4xxx_topcat_reset(struct scsi_qla_host *ha)
-{
- unsigned long flags;
-
- ql4xxx_lock_nvram(ha);
- spin_lock_irqsave(&ha->hardware_lock, flags);
- writel(set_rmask(GPOR_TOPCAT_RESET), isp_gp_out(ha));
- readl(isp_gp_out(ha));
- mdelay(1);
-
- writel(clr_rmask(GPOR_TOPCAT_RESET), isp_gp_out(ha));
- readl(isp_gp_out(ha));
- spin_unlock_irqrestore(&ha->hardware_lock, flags);
- mdelay(2523);
-
- ql4xxx_unlock_nvram(ha);
- return QLA_SUCCESS;
-}
-
-/**
* qla4xxx_flush_active_srbs - returns all outstanding i/o requests to O.S.
* @ha: Pointer to host adapter structure.
*
@@ -867,26 +844,6 @@ static void qla4xxx_flush_active_srbs(struct scsi_qla_host *ha)
}
/**
- * qla4xxx_hard_reset - performs HBA Hard Reset
- * @ha: Pointer to host adapter structure.
- **/
-static int qla4xxx_hard_reset(struct scsi_qla_host *ha)
-{
- /* The QLA4010 really doesn't have an equivalent to a hard reset */
- qla4xxx_flush_active_srbs(ha);
- if (test_bit(AF_TOPCAT_CHIP_PRESENT, &ha->flags)) {
- int status = QLA_ERROR;
-
- if ((qla4010_soft_reset(ha) == QLA_SUCCESS) &&
- (qla4xxx_topcat_reset(ha) == QLA_SUCCESS) &&
- (qla4010_soft_reset(ha) == QLA_SUCCESS))
- status = QLA_SUCCESS;
- return status;
- } else
- return qla4010_soft_reset(ha);
-}
-
-/**
* qla4xxx_recover_adapter - recovers adapter after a fatal error
* @ha: Pointer to host adapter structure.
* @renew_ddb_list: Indicates what to do with the adapter's ddb list
@@ -919,18 +876,11 @@ static int qla4xxx_recover_adapter(struct scsi_qla_host *ha,
if (status == QLA_SUCCESS) {
DEBUG2(printk("scsi%ld: %s - Performing soft reset..\n",
ha->host_no, __func__));
- status = qla4xxx_soft_reset(ha);
- }
- /* FIXMEkaren: Do we want to keep interrupts enabled and process
- AENs after soft reset */
-
- /* If firmware (SOFT) reset failed, or if all outstanding
- * commands have not returned, then do a HARD reset.
- */
- if (status == QLA_ERROR) {
- DEBUG2(printk("scsi%ld: %s - Performing hard reset..\n",
- ha->host_no, __func__));
- status = qla4xxx_hard_reset(ha);
+ qla4xxx_flush_active_srbs(ha);
+ if (ql4xxx_lock_drvr_wait(ha) == QLA_SUCCESS)
+ status = qla4xxx_soft_reset(ha);
+ else
+ status = QLA_ERROR;
}
/* Flush any pending ddb changed AENs */
@@ -1016,13 +966,9 @@ static void qla4xxx_do_dpc(void *data)
struct scsi_qla_host *ha = (struct scsi_qla_host *) data;
struct ddb_entry *ddb_entry, *dtemp;
- DEBUG2(printk("scsi%ld: %s: DPC handler waking up.\n",
- ha->host_no, __func__));
-
- DEBUG2(printk("scsi%ld: %s: ha->flags = 0x%08lx\n",
- ha->host_no, __func__, ha->flags));
- DEBUG2(printk("scsi%ld: %s: ha->dpc_flags = 0x%08lx\n",
- ha->host_no, __func__, ha->dpc_flags));
+ DEBUG2(printk("scsi%ld: %s: DPC handler waking up."
+ "flags = 0x%08lx, dpc_flags = 0x%08lx\n",
+ ha->host_no, __func__, ha->flags, ha->dpc_flags));
/* Initialization not yet finished. Don't do anything yet. */
if (!test_bit(AF_INIT_DONE, &ha->flags))
@@ -1032,16 +978,8 @@ static void qla4xxx_do_dpc(void *data)
test_bit(DPC_RESET_HA, &ha->dpc_flags) ||
test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) ||
test_bit(DPC_RESET_HA_DESTROY_DDB_LIST, &ha->dpc_flags)) {
- if (test_bit(DPC_RESET_HA_DESTROY_DDB_LIST, &ha->dpc_flags))
- /*
- * dg 09/23 Never initialize ddb list
- * once we up and running
- * qla4xxx_recover_adapter(ha,
- * REBUILD_DDB_LIST);
- */
- qla4xxx_recover_adapter(ha, PRESERVE_DDB_LIST);
-
- if (test_bit(DPC_RESET_HA, &ha->dpc_flags))
+ if (test_bit(DPC_RESET_HA_DESTROY_DDB_LIST, &ha->dpc_flags) ||
+ test_bit(DPC_RESET_HA, &ha->dpc_flags))
qla4xxx_recover_adapter(ha, PRESERVE_DDB_LIST);
if (test_and_clear_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) {
@@ -1122,7 +1060,8 @@ static void qla4xxx_free_adapter(struct scsi_qla_host *ha)
destroy_workqueue(ha->dpc_thread);
/* Issue Soft Reset to put firmware in unknown state */
- qla4xxx_soft_reset(ha);
+ if (ql4xxx_lock_drvr_wait(ha) == QLA_SUCCESS)
+ qla4xxx_soft_reset(ha);
/* Remove timer thread, if present */
if (ha->timer_active)
@@ -1261,7 +1200,6 @@ static int __devinit qla4xxx_probe_adapter(struct pci_dev *pdev,
init_waitqueue_head(&ha->mailbox_wait_queue);
spin_lock_init(&ha->hardware_lock);
- spin_lock_init(&ha->list_lock);
/* Allocate dma buffers */
if (qla4xxx_mem_alloc(ha)) {
@@ -1468,27 +1406,6 @@ struct srb * qla4xxx_del_from_active_array(struct scsi_qla_host *ha, uint32_t in
}
/**
- * qla4xxx_soft_reset - performs a SOFT RESET of hba.
- * @ha: Pointer to host adapter structure.
- **/
-int qla4xxx_soft_reset(struct scsi_qla_host *ha)
-{
-
- DEBUG2(printk(KERN_WARNING "scsi%ld: %s: chip reset!\n", ha->host_no,
- __func__));
- if (test_bit(AF_TOPCAT_CHIP_PRESENT, &ha->flags)) {
- int status = QLA_ERROR;
-
- if ((qla4010_soft_reset(ha) == QLA_SUCCESS) &&
- (qla4xxx_topcat_reset(ha) == QLA_SUCCESS) &&
- (qla4010_soft_reset(ha) == QLA_SUCCESS) )
- status = QLA_SUCCESS;
- return status;
- } else
- return qla4010_soft_reset(ha);
-}
-
-/**
* qla4xxx_eh_wait_on_command - waits for command to be returned by firmware
* @ha: actual ha whose done queue will contain the comd returned by firmware.
* @cmd: Scsi Command to wait on.
@@ -1686,6 +1603,12 @@ static struct pci_device_id qla4xxx_pci_tbl[] = {
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
},
+ {
+ .vendor = PCI_VENDOR_ID_QLOGIC,
+ .device = PCI_DEVICE_ID_QLOGIC_ISP4032,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ },
{0, 0},
};
MODULE_DEVICE_TABLE(pci, qla4xxx_pci_tbl);
diff --git a/drivers/scsi/qla4xxx/ql4_version.h b/drivers/scsi/qla4xxx/ql4_version.h
index b3fe7e68988..454e19c8ad6 100644
--- a/drivers/scsi/qla4xxx/ql4_version.h
+++ b/drivers/scsi/qla4xxx/ql4_version.h
@@ -5,9 +5,4 @@
* See LICENSE.qla4xxx for copyright and licensing details.
*/
-#define QLA4XXX_DRIVER_VERSION "5.00.05b9-k"
-
-#define QL4_DRIVER_MAJOR_VER 5
-#define QL4_DRIVER_MINOR_VER 0
-#define QL4_DRIVER_PATCH_VER 5
-#define QL4_DRIVER_BETA_VER 9
+#define QLA4XXX_DRIVER_VERSION "5.00.07-k"
diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c
index c59f31533ab..fafc00deaad 100644
--- a/drivers/scsi/scsi.c
+++ b/drivers/scsi/scsi.c
@@ -156,8 +156,7 @@ static struct scsi_host_cmd_pool scsi_cmd_dma_pool = {
static DEFINE_MUTEX(host_cmd_pool_mutex);
-static struct scsi_cmnd *__scsi_get_command(struct Scsi_Host *shost,
- gfp_t gfp_mask)
+struct scsi_cmnd *__scsi_get_command(struct Scsi_Host *shost, gfp_t gfp_mask)
{
struct scsi_cmnd *cmd;
@@ -178,6 +177,7 @@ static struct scsi_cmnd *__scsi_get_command(struct Scsi_Host *shost,
return cmd;
}
+EXPORT_SYMBOL_GPL(__scsi_get_command);
/*
* Function: scsi_get_command()
@@ -214,9 +214,29 @@ struct scsi_cmnd *scsi_get_command(struct scsi_device *dev, gfp_t gfp_mask)
put_device(&dev->sdev_gendev);
return cmd;
-}
+}
EXPORT_SYMBOL(scsi_get_command);
+void __scsi_put_command(struct Scsi_Host *shost, struct scsi_cmnd *cmd,
+ struct device *dev)
+{
+ unsigned long flags;
+
+ /* changing locks here, don't need to restore the irq state */
+ spin_lock_irqsave(&shost->free_list_lock, flags);
+ if (unlikely(list_empty(&shost->free_list))) {
+ list_add(&cmd->list, &shost->free_list);
+ cmd = NULL;
+ }
+ spin_unlock_irqrestore(&shost->free_list_lock, flags);
+
+ if (likely(cmd != NULL))
+ kmem_cache_free(shost->cmd_pool->slab, cmd);
+
+ put_device(dev);
+}
+EXPORT_SYMBOL(__scsi_put_command);
+
/*
* Function: scsi_put_command()
*
@@ -231,26 +251,15 @@ EXPORT_SYMBOL(scsi_get_command);
void scsi_put_command(struct scsi_cmnd *cmd)
{
struct scsi_device *sdev = cmd->device;
- struct Scsi_Host *shost = sdev->host;
unsigned long flags;
-
+
/* serious error if the command hasn't come from a device list */
spin_lock_irqsave(&cmd->device->list_lock, flags);
BUG_ON(list_empty(&cmd->list));
list_del_init(&cmd->list);
- spin_unlock(&cmd->device->list_lock);
- /* changing locks here, don't need to restore the irq state */
- spin_lock(&shost->free_list_lock);
- if (unlikely(list_empty(&shost->free_list))) {
- list_add(&cmd->list, &shost->free_list);
- cmd = NULL;
- }
- spin_unlock_irqrestore(&shost->free_list_lock, flags);
-
- if (likely(cmd != NULL))
- kmem_cache_free(shost->cmd_pool->slab, cmd);
+ spin_unlock_irqrestore(&cmd->device->list_lock, flags);
- put_device(&sdev->sdev_gendev);
+ __scsi_put_command(cmd->device->host, cmd, &sdev->sdev_gendev);
}
EXPORT_SYMBOL(scsi_put_command);
@@ -871,9 +880,9 @@ EXPORT_SYMBOL(scsi_device_get);
*/
void scsi_device_put(struct scsi_device *sdev)
{
+#ifdef CONFIG_MODULE_UNLOAD
struct module *module = sdev->host->hostt->module;
-#ifdef CONFIG_MODULE_UNLOAD
/* The module refcount will be zero if scsi_device_get()
* was called from a module removal routine */
if (module && module_refcount(module) != 0)
diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c
index aff1b0cfd4b..2ecb6ff4244 100644
--- a/drivers/scsi/scsi_error.c
+++ b/drivers/scsi/scsi_error.c
@@ -453,9 +453,18 @@ static void scsi_eh_done(struct scsi_cmnd *scmd)
}
/**
- * scsi_send_eh_cmnd - send a cmd to a device as part of error recovery.
- * @scmd: SCSI Cmd to send.
- * @timeout: Timeout for cmd.
+ * scsi_send_eh_cmnd - submit a scsi command as part of error recory
+ * @scmd: SCSI command structure to hijack
+ * @cmnd: CDB to send
+ * @cmnd_size: size in bytes of @cmnd
+ * @timeout: timeout for this request
+ * @copy_sense: request sense data if set to 1
+ *
+ * This function is used to send a scsi command down to a target device
+ * as part of the error recovery process. If @copy_sense is 0 the command
+ * sent must be one that does not transfer any data. If @copy_sense is 1
+ * the command must be REQUEST_SENSE and this functions copies out the
+ * sense buffer it got into @scmd->sense_buffer.
*
* Return value:
* SUCCESS or FAILED or NEEDS_RETRY
@@ -469,6 +478,7 @@ static int scsi_send_eh_cmnd(struct scsi_cmnd *scmd, unsigned char *cmnd,
DECLARE_COMPLETION_ONSTACK(done);
unsigned long timeleft;
unsigned long flags;
+ struct scatterlist sgl;
unsigned char old_cmnd[MAX_COMMAND_SIZE];
enum dma_data_direction old_data_direction;
unsigned short old_use_sg;
@@ -500,19 +510,24 @@ static int scsi_send_eh_cmnd(struct scsi_cmnd *scmd, unsigned char *cmnd,
if (shost->hostt->unchecked_isa_dma)
gfp_mask |= __GFP_DMA;
- scmd->sc_data_direction = DMA_FROM_DEVICE;
- scmd->request_bufflen = 252;
- scmd->request_buffer = kzalloc(scmd->request_bufflen, gfp_mask);
- if (!scmd->request_buffer)
+ sgl.page = alloc_page(gfp_mask);
+ if (!sgl.page)
return FAILED;
+ sgl.offset = 0;
+ sgl.length = 252;
+
+ scmd->sc_data_direction = DMA_FROM_DEVICE;
+ scmd->request_bufflen = sgl.length;
+ scmd->request_buffer = &sgl;
+ scmd->use_sg = 1;
} else {
scmd->request_buffer = NULL;
scmd->request_bufflen = 0;
scmd->sc_data_direction = DMA_NONE;
+ scmd->use_sg = 0;
}
scmd->underflow = 0;
- scmd->use_sg = 0;
scmd->cmd_len = COMMAND_SIZE(scmd->cmnd[0]);
if (sdev->scsi_level <= SCSI_2)
@@ -583,7 +598,7 @@ static int scsi_send_eh_cmnd(struct scsi_cmnd *scmd, unsigned char *cmnd,
memcpy(scmd->sense_buffer, scmd->request_buffer,
sizeof(scmd->sense_buffer));
}
- kfree(scmd->request_buffer);
+ __free_page(sgl.page);
}
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index 3ac4890ce08..fb616c69151 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -704,7 +704,7 @@ static struct scsi_cmnd *scsi_end_request(struct scsi_cmnd *cmd, int uptodate,
return NULL;
}
-static struct scatterlist *scsi_alloc_sgtable(struct scsi_cmnd *cmd, gfp_t gfp_mask)
+struct scatterlist *scsi_alloc_sgtable(struct scsi_cmnd *cmd, gfp_t gfp_mask)
{
struct scsi_host_sg_pool *sgp;
struct scatterlist *sgl;
@@ -745,7 +745,9 @@ static struct scatterlist *scsi_alloc_sgtable(struct scsi_cmnd *cmd, gfp_t gfp_m
return sgl;
}
-static void scsi_free_sgtable(struct scatterlist *sgl, int index)
+EXPORT_SYMBOL(scsi_alloc_sgtable);
+
+void scsi_free_sgtable(struct scatterlist *sgl, int index)
{
struct scsi_host_sg_pool *sgp;
@@ -755,6 +757,8 @@ static void scsi_free_sgtable(struct scatterlist *sgl, int index)
mempool_free(sgl, sgp->pool);
}
+EXPORT_SYMBOL(scsi_free_sgtable);
+
/*
* Function: scsi_release_buffers()
*
@@ -996,25 +1000,14 @@ static int scsi_init_io(struct scsi_cmnd *cmd)
int count;
/*
- * if this is a rq->data based REQ_BLOCK_PC, setup for a non-sg xfer
- */
- if (blk_pc_request(req) && !req->bio) {
- cmd->request_bufflen = req->data_len;
- cmd->request_buffer = req->data;
- req->buffer = req->data;
- cmd->use_sg = 0;
- return 0;
- }
-
- /*
- * we used to not use scatter-gather for single segment request,
+ * We used to not use scatter-gather for single segment request,
* but now we do (it makes highmem I/O easier to support without
* kmapping pages)
*/
cmd->use_sg = req->nr_phys_segments;
/*
- * if sg table allocation fails, requeue request later.
+ * If sg table allocation fails, requeue request later.
*/
sgpnt = scsi_alloc_sgtable(cmd, GFP_ATOMIC);
if (unlikely(!sgpnt)) {
@@ -1022,24 +1015,21 @@ static int scsi_init_io(struct scsi_cmnd *cmd)
return BLKPREP_DEFER;
}
+ req->buffer = NULL;
cmd->request_buffer = (char *) sgpnt;
- cmd->request_bufflen = req->nr_sectors << 9;
if (blk_pc_request(req))
cmd->request_bufflen = req->data_len;
- req->buffer = NULL;
+ else
+ cmd->request_bufflen = req->nr_sectors << 9;
/*
* Next, walk the list, and fill in the addresses and sizes of
* each segment.
*/
count = blk_rq_map_sg(req->q, req, cmd->request_buffer);
-
- /*
- * mapped well, send it off
- */
if (likely(count <= cmd->use_sg)) {
cmd->use_sg = count;
- return 0;
+ return BLKPREP_OK;
}
printk(KERN_ERR "Incorrect number of segments after building list\n");
@@ -1069,6 +1059,27 @@ static int scsi_issue_flush_fn(request_queue_t *q, struct gendisk *disk,
return -EOPNOTSUPP;
}
+static struct scsi_cmnd *scsi_get_cmd_from_req(struct scsi_device *sdev,
+ struct request *req)
+{
+ struct scsi_cmnd *cmd;
+
+ if (!req->special) {
+ cmd = scsi_get_command(sdev, GFP_ATOMIC);
+ if (unlikely(!cmd))
+ return NULL;
+ req->special = cmd;
+ } else {
+ cmd = req->special;
+ }
+
+ /* pull a tag out of the request if we have one */
+ cmd->tag = req->tag;
+ cmd->request = req;
+
+ return cmd;
+}
+
static void scsi_blk_pc_done(struct scsi_cmnd *cmd)
{
BUG_ON(!blk_pc_request(cmd->request));
@@ -1081,9 +1092,37 @@ static void scsi_blk_pc_done(struct scsi_cmnd *cmd)
scsi_io_completion(cmd, cmd->request_bufflen);
}
-static void scsi_setup_blk_pc_cmnd(struct scsi_cmnd *cmd)
+static int scsi_setup_blk_pc_cmnd(struct scsi_device *sdev, struct request *req)
{
- struct request *req = cmd->request;
+ struct scsi_cmnd *cmd;
+
+ cmd = scsi_get_cmd_from_req(sdev, req);
+ if (unlikely(!cmd))
+ return BLKPREP_DEFER;
+
+ /*
+ * BLOCK_PC requests may transfer data, in which case they must
+ * a bio attached to them. Or they might contain a SCSI command
+ * that does not transfer data, in which case they may optionally
+ * submit a request without an attached bio.
+ */
+ if (req->bio) {
+ int ret;
+
+ BUG_ON(!req->nr_phys_segments);
+
+ ret = scsi_init_io(cmd);
+ if (unlikely(ret))
+ return ret;
+ } else {
+ BUG_ON(req->data_len);
+ BUG_ON(req->data);
+
+ cmd->request_bufflen = 0;
+ cmd->request_buffer = NULL;
+ cmd->use_sg = 0;
+ req->buffer = NULL;
+ }
BUILD_BUG_ON(sizeof(req->cmd) > sizeof(cmd->cmnd));
memcpy(cmd->cmnd, req->cmd, sizeof(cmd->cmnd));
@@ -1099,154 +1138,138 @@ static void scsi_setup_blk_pc_cmnd(struct scsi_cmnd *cmd)
cmd->allowed = req->retries;
cmd->timeout_per_command = req->timeout;
cmd->done = scsi_blk_pc_done;
+ return BLKPREP_OK;
}
-static int scsi_prep_fn(struct request_queue *q, struct request *req)
+/*
+ * Setup a REQ_TYPE_FS command. These are simple read/write request
+ * from filesystems that still need to be translated to SCSI CDBs from
+ * the ULD.
+ */
+static int scsi_setup_fs_cmnd(struct scsi_device *sdev, struct request *req)
{
- struct scsi_device *sdev = q->queuedata;
struct scsi_cmnd *cmd;
- int specials_only = 0;
+ struct scsi_driver *drv;
+ int ret;
/*
- * Just check to see if the device is online. If it isn't, we
- * refuse to process any commands. The device must be brought
- * online before trying any recovery commands
+ * Filesystem requests must transfer data.
*/
- if (unlikely(!scsi_device_online(sdev))) {
- sdev_printk(KERN_ERR, sdev,
- "rejecting I/O to offline device\n");
- goto kill;
- }
- if (unlikely(sdev->sdev_state != SDEV_RUNNING)) {
- /* OK, we're not in a running state don't prep
- * user commands */
- if (sdev->sdev_state == SDEV_DEL) {
- /* Device is fully deleted, no commands
- * at all allowed down */
- sdev_printk(KERN_ERR, sdev,
- "rejecting I/O to dead device\n");
- goto kill;
- }
- /* OK, we only allow special commands (i.e. not
- * user initiated ones */
- specials_only = sdev->sdev_state;
+ BUG_ON(!req->nr_phys_segments);
+
+ cmd = scsi_get_cmd_from_req(sdev, req);
+ if (unlikely(!cmd))
+ return BLKPREP_DEFER;
+
+ ret = scsi_init_io(cmd);
+ if (unlikely(ret))
+ return ret;
+
+ /*
+ * Initialize the actual SCSI command for this request.
+ */
+ drv = *(struct scsi_driver **)req->rq_disk->private_data;
+ if (unlikely(!drv->init_command(cmd))) {
+ scsi_release_buffers(cmd);
+ scsi_put_command(cmd);
+ return BLKPREP_KILL;
}
+ return BLKPREP_OK;
+}
+
+static int scsi_prep_fn(struct request_queue *q, struct request *req)
+{
+ struct scsi_device *sdev = q->queuedata;
+ int ret = BLKPREP_OK;
+
/*
- * Find the actual device driver associated with this command.
- * The SPECIAL requests are things like character device or
- * ioctls, which did not originate from ll_rw_blk. Note that
- * the special field is also used to indicate the cmd for
- * the remainder of a partially fulfilled request that can
- * come up when there is a medium error. We have to treat
- * these two cases differently. We differentiate by looking
- * at request->cmd, as this tells us the real story.
+ * If the device is not in running state we will reject some
+ * or all commands.
*/
- if (blk_special_request(req) && req->special)
- cmd = req->special;
- else if (blk_pc_request(req) || blk_fs_request(req)) {
- if (unlikely(specials_only) && !(req->cmd_flags & REQ_PREEMPT)){
- if (specials_only == SDEV_QUIESCE ||
- specials_only == SDEV_BLOCK)
- goto defer;
-
+ if (unlikely(sdev->sdev_state != SDEV_RUNNING)) {
+ switch (sdev->sdev_state) {
+ case SDEV_OFFLINE:
+ /*
+ * If the device is offline we refuse to process any
+ * commands. The device must be brought online
+ * before trying any recovery commands.
+ */
sdev_printk(KERN_ERR, sdev,
- "rejecting I/O to device being removed\n");
- goto kill;
+ "rejecting I/O to offline device\n");
+ ret = BLKPREP_KILL;
+ break;
+ case SDEV_DEL:
+ /*
+ * If the device is fully deleted, we refuse to
+ * process any commands as well.
+ */
+ sdev_printk(KERN_ERR, sdev,
+ "rejecting I/O to dead device\n");
+ ret = BLKPREP_KILL;
+ break;
+ case SDEV_QUIESCE:
+ case SDEV_BLOCK:
+ /*
+ * If the devices is blocked we defer normal commands.
+ */
+ if (!(req->cmd_flags & REQ_PREEMPT))
+ ret = BLKPREP_DEFER;
+ break;
+ default:
+ /*
+ * For any other not fully online state we only allow
+ * special commands. In particular any user initiated
+ * command is not allowed.
+ */
+ if (!(req->cmd_flags & REQ_PREEMPT))
+ ret = BLKPREP_KILL;
+ break;
}
-
- /*
- * Now try and find a command block that we can use.
- */
- if (!req->special) {
- cmd = scsi_get_command(sdev, GFP_ATOMIC);
- if (unlikely(!cmd))
- goto defer;
- } else
- cmd = req->special;
-
- /* pull a tag out of the request if we have one */
- cmd->tag = req->tag;
- } else {
- blk_dump_rq_flags(req, "SCSI bad req");
- goto kill;
+
+ if (ret != BLKPREP_OK)
+ goto out;
}
-
- /* note the overloading of req->special. When the tag
- * is active it always means cmd. If the tag goes
- * back for re-queueing, it may be reset */
- req->special = cmd;
- cmd->request = req;
-
- /*
- * FIXME: drop the lock here because the functions below
- * expect to be called without the queue lock held. Also,
- * previously, we dequeued the request before dropping the
- * lock. We hope REQ_STARTED prevents anything untoward from
- * happening now.
- */
- if (blk_fs_request(req) || blk_pc_request(req)) {
- int ret;
+ switch (req->cmd_type) {
+ case REQ_TYPE_BLOCK_PC:
+ ret = scsi_setup_blk_pc_cmnd(sdev, req);
+ break;
+ case REQ_TYPE_FS:
+ ret = scsi_setup_fs_cmnd(sdev, req);
+ break;
+ default:
/*
- * This will do a couple of things:
- * 1) Fill in the actual SCSI command.
- * 2) Fill in any other upper-level specific fields
- * (timeout).
+ * All other command types are not supported.
*
- * If this returns 0, it means that the request failed
- * (reading past end of disk, reading offline device,
- * etc). This won't actually talk to the device, but
- * some kinds of consistency checking may cause the
- * request to be rejected immediately.
+ * Note that these days the SCSI subsystem does not use
+ * REQ_TYPE_SPECIAL requests anymore. These are only used
+ * (directly or via blk_insert_request) by non-SCSI drivers.
*/
+ blk_dump_rq_flags(req, "SCSI bad req");
+ ret = BLKPREP_KILL;
+ break;
+ }
- /*
- * This sets up the scatter-gather table (allocating if
- * required).
- */
- ret = scsi_init_io(cmd);
- switch(ret) {
- /* For BLKPREP_KILL/DEFER the cmd was released */
- case BLKPREP_KILL:
- goto kill;
- case BLKPREP_DEFER:
- goto defer;
- }
-
+ out:
+ switch (ret) {
+ case BLKPREP_KILL:
+ req->errors = DID_NO_CONNECT << 16;
+ break;
+ case BLKPREP_DEFER:
/*
- * Initialize the actual SCSI command for this request.
+ * If we defer, the elv_next_request() returns NULL, but the
+ * queue must be restarted, so we plug here if no returning
+ * command will automatically do that.
*/
- if (blk_pc_request(req)) {
- scsi_setup_blk_pc_cmnd(cmd);
- } else if (req->rq_disk) {
- struct scsi_driver *drv;
-
- drv = *(struct scsi_driver **)req->rq_disk->private_data;
- if (unlikely(!drv->init_command(cmd))) {
- scsi_release_buffers(cmd);
- scsi_put_command(cmd);
- goto kill;
- }
- }
+ if (sdev->device_busy == 0)
+ blk_plug_device(q);
+ break;
+ default:
+ req->cmd_flags |= REQ_DONTPREP;
}
- /*
- * The request is now prepped, no need to come back here
- */
- req->cmd_flags |= REQ_DONTPREP;
- return BLKPREP_OK;
-
- defer:
- /* If we defer, the elv_next_request() returns NULL, but the
- * queue must be restarted, so we plug here if no returning
- * command will automatically do that. */
- if (sdev->device_busy == 0)
- blk_plug_device(q);
- return BLKPREP_DEFER;
- kill:
- req->errors = DID_NO_CONNECT << 16;
- return BLKPREP_KILL;
+ return ret;
}
/*
@@ -1548,29 +1571,40 @@ u64 scsi_calculate_bounce_limit(struct Scsi_Host *shost)
}
EXPORT_SYMBOL(scsi_calculate_bounce_limit);
-struct request_queue *scsi_alloc_queue(struct scsi_device *sdev)
+struct request_queue *__scsi_alloc_queue(struct Scsi_Host *shost,
+ request_fn_proc *request_fn)
{
- struct Scsi_Host *shost = sdev->host;
struct request_queue *q;
- q = blk_init_queue(scsi_request_fn, NULL);
+ q = blk_init_queue(request_fn, NULL);
if (!q)
return NULL;
- blk_queue_prep_rq(q, scsi_prep_fn);
-
blk_queue_max_hw_segments(q, shost->sg_tablesize);
blk_queue_max_phys_segments(q, SCSI_MAX_PHYS_SEGMENTS);
blk_queue_max_sectors(q, shost->max_sectors);
blk_queue_bounce_limit(q, scsi_calculate_bounce_limit(shost));
blk_queue_segment_boundary(q, shost->dma_boundary);
- blk_queue_issue_flush_fn(q, scsi_issue_flush_fn);
- blk_queue_softirq_done(q, scsi_softirq_done);
if (!shost->use_clustering)
clear_bit(QUEUE_FLAG_CLUSTER, &q->queue_flags);
return q;
}
+EXPORT_SYMBOL(__scsi_alloc_queue);
+
+struct request_queue *scsi_alloc_queue(struct scsi_device *sdev)
+{
+ struct request_queue *q;
+
+ q = __scsi_alloc_queue(sdev->host, scsi_request_fn);
+ if (!q)
+ return NULL;
+
+ blk_queue_prep_rq(q, scsi_prep_fn);
+ blk_queue_issue_flush_fn(q, scsi_issue_flush_fn);
+ blk_queue_softirq_done(q, scsi_softirq_done);
+ return q;
+}
void scsi_free_queue(struct request_queue *q)
{
diff --git a/drivers/scsi/scsi_priv.h b/drivers/scsi/scsi_priv.h
index 5d023d44e5e..f458c2f686d 100644
--- a/drivers/scsi/scsi_priv.h
+++ b/drivers/scsi/scsi_priv.h
@@ -39,6 +39,9 @@ static inline void scsi_log_completion(struct scsi_cmnd *cmd, int disposition)
{ };
#endif
+/* scsi_scan.c */
+int scsi_complete_async_scans(void);
+
/* scsi_devinfo.c */
extern int scsi_get_device_flags(struct scsi_device *sdev,
const unsigned char *vendor,
diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c
index 94a274645f6..4d656148bd6 100644
--- a/drivers/scsi/scsi_scan.c
+++ b/drivers/scsi/scsi_scan.c
@@ -29,7 +29,9 @@
#include <linux/moduleparam.h>
#include <linux/init.h>
#include <linux/blkdev.h>
-#include <asm/semaphore.h>
+#include <linux/delay.h>
+#include <linux/kthread.h>
+#include <linux/spinlock.h>
#include <scsi/scsi.h>
#include <scsi/scsi_cmnd.h>
@@ -87,6 +89,17 @@ module_param_named(max_luns, max_scsi_luns, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(max_luns,
"last scsi LUN (should be between 1 and 2^32-1)");
+#ifdef CONFIG_SCSI_SCAN_ASYNC
+#define SCSI_SCAN_TYPE_DEFAULT "async"
+#else
+#define SCSI_SCAN_TYPE_DEFAULT "sync"
+#endif
+
+static char scsi_scan_type[6] = SCSI_SCAN_TYPE_DEFAULT;
+
+module_param_string(scan, scsi_scan_type, sizeof(scsi_scan_type), S_IRUGO);
+MODULE_PARM_DESC(scan, "sync, async or none");
+
/*
* max_scsi_report_luns: the maximum number of LUNS that will be
* returned from the REPORT LUNS command. 8 times this value must
@@ -108,6 +121,68 @@ MODULE_PARM_DESC(inq_timeout,
"Timeout (in seconds) waiting for devices to answer INQUIRY."
" Default is 5. Some non-compliant devices need more.");
+static DEFINE_SPINLOCK(async_scan_lock);
+static LIST_HEAD(scanning_hosts);
+
+struct async_scan_data {
+ struct list_head list;
+ struct Scsi_Host *shost;
+ struct completion prev_finished;
+};
+
+/**
+ * scsi_complete_async_scans - Wait for asynchronous scans to complete
+ *
+ * Asynchronous scans add themselves to the scanning_hosts list. Once
+ * that list is empty, we know that the scans are complete. Rather than
+ * waking up periodically to check the state of the list, we pretend to be
+ * a scanning task by adding ourselves at the end of the list and going to
+ * sleep. When the task before us wakes us up, we take ourselves off the
+ * list and return.
+ */
+int scsi_complete_async_scans(void)
+{
+ struct async_scan_data *data;
+
+ do {
+ if (list_empty(&scanning_hosts))
+ return 0;
+ /* If we can't get memory immediately, that's OK. Just
+ * sleep a little. Even if we never get memory, the async
+ * scans will finish eventually.
+ */
+ data = kmalloc(sizeof(*data), GFP_KERNEL);
+ if (!data)
+ msleep(1);
+ } while (!data);
+
+ data->shost = NULL;
+ init_completion(&data->prev_finished);
+
+ spin_lock(&async_scan_lock);
+ /* Check that there's still somebody else on the list */
+ if (list_empty(&scanning_hosts))
+ goto done;
+ list_add_tail(&data->list, &scanning_hosts);
+ spin_unlock(&async_scan_lock);
+
+ printk(KERN_INFO "scsi: waiting for bus probes to complete ...\n");
+ wait_for_completion(&data->prev_finished);
+
+ spin_lock(&async_scan_lock);
+ list_del(&data->list);
+ done:
+ spin_unlock(&async_scan_lock);
+
+ kfree(data);
+ return 0;
+}
+
+#ifdef MODULE
+/* Only exported for the benefit of scsi_wait_scan */
+EXPORT_SYMBOL_GPL(scsi_complete_async_scans);
+#endif
+
/**
* scsi_unlock_floptical - unlock device via a special MODE SENSE command
* @sdev: scsi device to send command to
@@ -619,7 +694,7 @@ static int scsi_probe_lun(struct scsi_device *sdev, unsigned char *inq_result,
* SCSI_SCAN_LUN_PRESENT: a new scsi_device was allocated and initialized
**/
static int scsi_add_lun(struct scsi_device *sdev, unsigned char *inq_result,
- int *bflags)
+ int *bflags, int async)
{
/*
* XXX do not save the inquiry, since it can change underneath us,
@@ -805,7 +880,7 @@ static int scsi_add_lun(struct scsi_device *sdev, unsigned char *inq_result,
* register it and tell the rest of the kernel
* about it.
*/
- if (scsi_sysfs_add_sdev(sdev) != 0)
+ if (!async && scsi_sysfs_add_sdev(sdev) != 0)
return SCSI_SCAN_NO_RESPONSE;
return SCSI_SCAN_LUN_PRESENT;
@@ -974,7 +1049,7 @@ static int scsi_probe_and_add_lun(struct scsi_target *starget,
goto out_free_result;
}
- res = scsi_add_lun(sdev, result, &bflags);
+ res = scsi_add_lun(sdev, result, &bflags, shost->async_scan);
if (res == SCSI_SCAN_LUN_PRESENT) {
if (bflags & BLIST_KEY) {
sdev->lockable = 0;
@@ -1474,6 +1549,12 @@ void scsi_scan_target(struct device *parent, unsigned int channel,
{
struct Scsi_Host *shost = dev_to_shost(parent);
+ if (strncmp(scsi_scan_type, "none", 4) == 0)
+ return;
+
+ if (!shost->async_scan)
+ scsi_complete_async_scans();
+
mutex_lock(&shost->scan_mutex);
if (scsi_host_scan_allowed(shost))
__scsi_scan_target(parent, channel, id, lun, rescan);
@@ -1519,6 +1600,9 @@ int scsi_scan_host_selected(struct Scsi_Host *shost, unsigned int channel,
"%s: <%u:%u:%u>\n",
__FUNCTION__, channel, id, lun));
+ if (!shost->async_scan)
+ scsi_complete_async_scans();
+
if (((channel != SCAN_WILD_CARD) && (channel > shost->max_channel)) ||
((id != SCAN_WILD_CARD) && (id >= shost->max_id)) ||
((lun != SCAN_WILD_CARD) && (lun > shost->max_lun)))
@@ -1539,14 +1623,143 @@ int scsi_scan_host_selected(struct Scsi_Host *shost, unsigned int channel,
return 0;
}
+static void scsi_sysfs_add_devices(struct Scsi_Host *shost)
+{
+ struct scsi_device *sdev;
+ shost_for_each_device(sdev, shost) {
+ if (scsi_sysfs_add_sdev(sdev) != 0)
+ scsi_destroy_sdev(sdev);
+ }
+}
+
+/**
+ * scsi_prep_async_scan - prepare for an async scan
+ * @shost: the host which will be scanned
+ * Returns: a cookie to be passed to scsi_finish_async_scan()
+ *
+ * Tells the midlayer this host is going to do an asynchronous scan.
+ * It reserves the host's position in the scanning list and ensures
+ * that other asynchronous scans started after this one won't affect the
+ * ordering of the discovered devices.
+ */
+static struct async_scan_data *scsi_prep_async_scan(struct Scsi_Host *shost)
+{
+ struct async_scan_data *data;
+
+ if (strncmp(scsi_scan_type, "sync", 4) == 0)
+ return NULL;
+
+ if (shost->async_scan) {
+ printk("%s called twice for host %d", __FUNCTION__,
+ shost->host_no);
+ dump_stack();
+ return NULL;
+ }
+
+ data = kmalloc(sizeof(*data), GFP_KERNEL);
+ if (!data)
+ goto err;
+ data->shost = scsi_host_get(shost);
+ if (!data->shost)
+ goto err;
+ init_completion(&data->prev_finished);
+
+ spin_lock(&async_scan_lock);
+ shost->async_scan = 1;
+ if (list_empty(&scanning_hosts))
+ complete(&data->prev_finished);
+ list_add_tail(&data->list, &scanning_hosts);
+ spin_unlock(&async_scan_lock);
+
+ return data;
+
+ err:
+ kfree(data);
+ return NULL;
+}
+
+/**
+ * scsi_finish_async_scan - asynchronous scan has finished
+ * @data: cookie returned from earlier call to scsi_prep_async_scan()
+ *
+ * All the devices currently attached to this host have been found.
+ * This function announces all the devices it has found to the rest
+ * of the system.
+ */
+static void scsi_finish_async_scan(struct async_scan_data *data)
+{
+ struct Scsi_Host *shost;
+
+ if (!data)
+ return;
+
+ shost = data->shost;
+ if (!shost->async_scan) {
+ printk("%s called twice for host %d", __FUNCTION__,
+ shost->host_no);
+ dump_stack();
+ return;
+ }
+
+ wait_for_completion(&data->prev_finished);
+
+ scsi_sysfs_add_devices(shost);
+
+ spin_lock(&async_scan_lock);
+ shost->async_scan = 0;
+ list_del(&data->list);
+ if (!list_empty(&scanning_hosts)) {
+ struct async_scan_data *next = list_entry(scanning_hosts.next,
+ struct async_scan_data, list);
+ complete(&next->prev_finished);
+ }
+ spin_unlock(&async_scan_lock);
+
+ scsi_host_put(shost);
+ kfree(data);
+}
+
+static void do_scsi_scan_host(struct Scsi_Host *shost)
+{
+ if (shost->hostt->scan_finished) {
+ unsigned long start = jiffies;
+ if (shost->hostt->scan_start)
+ shost->hostt->scan_start(shost);
+
+ while (!shost->hostt->scan_finished(shost, jiffies - start))
+ msleep(10);
+ } else {
+ scsi_scan_host_selected(shost, SCAN_WILD_CARD, SCAN_WILD_CARD,
+ SCAN_WILD_CARD, 0);
+ }
+}
+
+static int do_scan_async(void *_data)
+{
+ struct async_scan_data *data = _data;
+ do_scsi_scan_host(data->shost);
+ scsi_finish_async_scan(data);
+ return 0;
+}
+
/**
* scsi_scan_host - scan the given adapter
* @shost: adapter to scan
**/
void scsi_scan_host(struct Scsi_Host *shost)
{
- scsi_scan_host_selected(shost, SCAN_WILD_CARD, SCAN_WILD_CARD,
- SCAN_WILD_CARD, 0);
+ struct async_scan_data *data;
+
+ if (strncmp(scsi_scan_type, "none", 4) == 0)
+ return;
+
+ data = scsi_prep_async_scan(shost);
+ if (!data) {
+ do_scsi_scan_host(shost);
+ return;
+ }
+
+ kthread_run(do_scan_async, data, "scsi_scan_%d", shost->host_no);
}
EXPORT_SYMBOL(scsi_scan_host);
diff --git a/drivers/scsi/scsi_tgt_if.c b/drivers/scsi/scsi_tgt_if.c
new file mode 100644
index 00000000000..37bbfbdb870
--- /dev/null
+++ b/drivers/scsi/scsi_tgt_if.c
@@ -0,0 +1,352 @@
+/*
+ * SCSI target kernel/user interface functions
+ *
+ * Copyright (C) 2005 FUJITA Tomonori <tomof@acm.org>
+ * Copyright (C) 2005 Mike Christie <michaelc@cs.wisc.edu>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ */
+#include <linux/miscdevice.h>
+#include <linux/file.h>
+#include <net/tcp.h>
+#include <scsi/scsi.h>
+#include <scsi/scsi_cmnd.h>
+#include <scsi/scsi_device.h>
+#include <scsi/scsi_host.h>
+#include <scsi/scsi_tgt.h>
+#include <scsi/scsi_tgt_if.h>
+
+#include <asm/cacheflush.h>
+
+#include "scsi_tgt_priv.h"
+
+struct tgt_ring {
+ u32 tr_idx;
+ unsigned long tr_pages[TGT_RING_PAGES];
+ spinlock_t tr_lock;
+};
+
+/* tx_ring : kernel->user, rx_ring : user->kernel */
+static struct tgt_ring tx_ring, rx_ring;
+static DECLARE_WAIT_QUEUE_HEAD(tgt_poll_wait);
+
+static inline void tgt_ring_idx_inc(struct tgt_ring *ring)
+{
+ if (ring->tr_idx == TGT_MAX_EVENTS - 1)
+ ring->tr_idx = 0;
+ else
+ ring->tr_idx++;
+}
+
+static struct tgt_event *tgt_head_event(struct tgt_ring *ring, u32 idx)
+{
+ u32 pidx, off;
+
+ pidx = idx / TGT_EVENT_PER_PAGE;
+ off = idx % TGT_EVENT_PER_PAGE;
+
+ return (struct tgt_event *)
+ (ring->tr_pages[pidx] + sizeof(struct tgt_event) * off);
+}
+
+static int tgt_uspace_send_event(u32 type, struct tgt_event *p)
+{
+ struct tgt_event *ev;
+ struct tgt_ring *ring = &tx_ring;
+ unsigned long flags;
+ int err = 0;
+
+ spin_lock_irqsave(&ring->tr_lock, flags);
+
+ ev = tgt_head_event(ring, ring->tr_idx);
+ if (!ev->hdr.status)
+ tgt_ring_idx_inc(ring);
+ else
+ err = -BUSY;
+
+ spin_unlock_irqrestore(&ring->tr_lock, flags);
+
+ if (err)
+ return err;
+
+ memcpy(ev, p, sizeof(*ev));
+ ev->hdr.type = type;
+ mb();
+ ev->hdr.status = 1;
+
+ flush_dcache_page(virt_to_page(ev));
+
+ wake_up_interruptible(&tgt_poll_wait);
+
+ return 0;
+}
+
+int scsi_tgt_uspace_send_cmd(struct scsi_cmnd *cmd, struct scsi_lun *lun, u64 tag)
+{
+ struct Scsi_Host *shost = scsi_tgt_cmd_to_host(cmd);
+ struct tgt_event ev;
+ int err;
+
+ memset(&ev, 0, sizeof(ev));
+ ev.p.cmd_req.host_no = shost->host_no;
+ ev.p.cmd_req.data_len = cmd->request_bufflen;
+ memcpy(ev.p.cmd_req.scb, cmd->cmnd, sizeof(ev.p.cmd_req.scb));
+ memcpy(ev.p.cmd_req.lun, lun, sizeof(ev.p.cmd_req.lun));
+ ev.p.cmd_req.attribute = cmd->tag;
+ ev.p.cmd_req.tag = tag;
+
+ dprintk("%p %d %u %x %llx\n", cmd, shost->host_no,
+ ev.p.cmd_req.data_len, cmd->tag,
+ (unsigned long long) ev.p.cmd_req.tag);
+
+ err = tgt_uspace_send_event(TGT_KEVENT_CMD_REQ, &ev);
+ if (err)
+ eprintk("tx buf is full, could not send\n");
+
+ return err;
+}
+
+int scsi_tgt_uspace_send_status(struct scsi_cmnd *cmd, u64 tag)
+{
+ struct Scsi_Host *shost = scsi_tgt_cmd_to_host(cmd);
+ struct tgt_event ev;
+ int err;
+
+ memset(&ev, 0, sizeof(ev));
+ ev.p.cmd_done.host_no = shost->host_no;
+ ev.p.cmd_done.tag = tag;
+ ev.p.cmd_done.result = cmd->result;
+
+ dprintk("%p %d %llu %u %x\n", cmd, shost->host_no,
+ (unsigned long long) ev.p.cmd_req.tag,
+ ev.p.cmd_req.data_len, cmd->tag);
+
+ err = tgt_uspace_send_event(TGT_KEVENT_CMD_DONE, &ev);
+ if (err)
+ eprintk("tx buf is full, could not send\n");
+
+ return err;
+}
+
+int scsi_tgt_uspace_send_tsk_mgmt(int host_no, int function, u64 tag,
+ struct scsi_lun *scsilun, void *data)
+{
+ struct tgt_event ev;
+ int err;
+
+ memset(&ev, 0, sizeof(ev));
+ ev.p.tsk_mgmt_req.host_no = host_no;
+ ev.p.tsk_mgmt_req.function = function;
+ ev.p.tsk_mgmt_req.tag = tag;
+ memcpy(ev.p.tsk_mgmt_req.lun, scsilun, sizeof(ev.p.tsk_mgmt_req.lun));
+ ev.p.tsk_mgmt_req.mid = (u64) (unsigned long) data;
+
+ dprintk("%d %x %llx %llx\n", host_no, function, (unsigned long long) tag,
+ (unsigned long long) ev.p.tsk_mgmt_req.mid);
+
+ err = tgt_uspace_send_event(TGT_KEVENT_TSK_MGMT_REQ, &ev);
+ if (err)
+ eprintk("tx buf is full, could not send\n");
+
+ return err;
+}
+
+static int event_recv_msg(struct tgt_event *ev)
+{
+ int err = 0;
+
+ switch (ev->hdr.type) {
+ case TGT_UEVENT_CMD_RSP:
+ err = scsi_tgt_kspace_exec(ev->p.cmd_rsp.host_no,
+ ev->p.cmd_rsp.tag,
+ ev->p.cmd_rsp.result,
+ ev->p.cmd_rsp.len,
+ ev->p.cmd_rsp.uaddr,
+ ev->p.cmd_rsp.rw);
+ break;
+ case TGT_UEVENT_TSK_MGMT_RSP:
+ err = scsi_tgt_kspace_tsk_mgmt(ev->p.tsk_mgmt_rsp.host_no,
+ ev->p.tsk_mgmt_rsp.mid,
+ ev->p.tsk_mgmt_rsp.result);
+ break;
+ default:
+ eprintk("unknown type %d\n", ev->hdr.type);
+ err = -EINVAL;
+ }
+
+ return err;
+}
+
+static ssize_t tgt_write(struct file *file, const char __user * buffer,
+ size_t count, loff_t * ppos)
+{
+ struct tgt_event *ev;
+ struct tgt_ring *ring = &rx_ring;
+
+ while (1) {
+ ev = tgt_head_event(ring, ring->tr_idx);
+ /* do we need this? */
+ flush_dcache_page(virt_to_page(ev));
+
+ if (!ev->hdr.status)
+ break;
+
+ tgt_ring_idx_inc(ring);
+ event_recv_msg(ev);
+ ev->hdr.status = 0;
+ };
+
+ return count;
+}
+
+static unsigned int tgt_poll(struct file * file, struct poll_table_struct *wait)
+{
+ struct tgt_event *ev;
+ struct tgt_ring *ring = &tx_ring;
+ unsigned long flags;
+ unsigned int mask = 0;
+ u32 idx;
+
+ poll_wait(file, &tgt_poll_wait, wait);
+
+ spin_lock_irqsave(&ring->tr_lock, flags);
+
+ idx = ring->tr_idx ? ring->tr_idx - 1 : TGT_MAX_EVENTS - 1;
+ ev = tgt_head_event(ring, idx);
+ if (ev->hdr.status)
+ mask |= POLLIN | POLLRDNORM;
+
+ spin_unlock_irqrestore(&ring->tr_lock, flags);
+
+ return mask;
+}
+
+static int uspace_ring_map(struct vm_area_struct *vma, unsigned long addr,
+ struct tgt_ring *ring)
+{
+ int i, err;
+
+ for (i = 0; i < TGT_RING_PAGES; i++) {
+ struct page *page = virt_to_page(ring->tr_pages[i]);
+ err = vm_insert_page(vma, addr, page);
+ if (err)
+ return err;
+ addr += PAGE_SIZE;
+ }
+
+ return 0;
+}
+
+static int tgt_mmap(struct file *filp, struct vm_area_struct *vma)
+{
+ unsigned long addr;
+ int err;
+
+ if (vma->vm_pgoff)
+ return -EINVAL;
+
+ if (vma->vm_end - vma->vm_start != TGT_RING_SIZE * 2) {
+ eprintk("mmap size must be %lu, not %lu \n",
+ TGT_RING_SIZE * 2, vma->vm_end - vma->vm_start);
+ return -EINVAL;
+ }
+
+ addr = vma->vm_start;
+ err = uspace_ring_map(vma, addr, &tx_ring);
+ if (err)
+ return err;
+ err = uspace_ring_map(vma, addr + TGT_RING_SIZE, &rx_ring);
+
+ return err;
+}
+
+static int tgt_open(struct inode *inode, struct file *file)
+{
+ tx_ring.tr_idx = rx_ring.tr_idx = 0;
+
+ return 0;
+}
+
+static struct file_operations tgt_fops = {
+ .owner = THIS_MODULE,
+ .open = tgt_open,
+ .poll = tgt_poll,
+ .write = tgt_write,
+ .mmap = tgt_mmap,
+};
+
+static struct miscdevice tgt_miscdev = {
+ .minor = MISC_DYNAMIC_MINOR,
+ .name = "tgt",
+ .fops = &tgt_fops,
+};
+
+static void tgt_ring_exit(struct tgt_ring *ring)
+{
+ int i;
+
+ for (i = 0; i < TGT_RING_PAGES; i++)
+ free_page(ring->tr_pages[i]);
+}
+
+static int tgt_ring_init(struct tgt_ring *ring)
+{
+ int i;
+
+ spin_lock_init(&ring->tr_lock);
+
+ for (i = 0; i < TGT_RING_PAGES; i++) {
+ ring->tr_pages[i] = get_zeroed_page(GFP_KERNEL);
+ if (!ring->tr_pages[i]) {
+ eprintk("out of memory\n");
+ return -ENOMEM;
+ }
+ }
+
+ return 0;
+}
+
+void scsi_tgt_if_exit(void)
+{
+ tgt_ring_exit(&tx_ring);
+ tgt_ring_exit(&rx_ring);
+ misc_deregister(&tgt_miscdev);
+}
+
+int scsi_tgt_if_init(void)
+{
+ int err;
+
+ err = tgt_ring_init(&tx_ring);
+ if (err)
+ return err;
+
+ err = tgt_ring_init(&rx_ring);
+ if (err)
+ goto free_tx_ring;
+
+ err = misc_register(&tgt_miscdev);
+ if (err)
+ goto free_rx_ring;
+
+ return 0;
+free_rx_ring:
+ tgt_ring_exit(&rx_ring);
+free_tx_ring:
+ tgt_ring_exit(&tx_ring);
+
+ return err;
+}
diff --git a/drivers/scsi/scsi_tgt_lib.c b/drivers/scsi/scsi_tgt_lib.c
new file mode 100644
index 00000000000..39da5cd6fb6
--- /dev/null
+++ b/drivers/scsi/scsi_tgt_lib.c
@@ -0,0 +1,742 @@
+/*
+ * SCSI target lib functions
+ *
+ * Copyright (C) 2005 Mike Christie <michaelc@cs.wisc.edu>
+ * Copyright (C) 2005 FUJITA Tomonori <tomof@acm.org>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ */
+#include <linux/blkdev.h>
+#include <linux/hash.h>
+#include <linux/module.h>
+#include <linux/pagemap.h>
+#include <scsi/scsi.h>
+#include <scsi/scsi_cmnd.h>
+#include <scsi/scsi_device.h>
+#include <scsi/scsi_host.h>
+#include <scsi/scsi_tgt.h>
+#include <../drivers/md/dm-bio-list.h>
+
+#include "scsi_tgt_priv.h"
+
+static struct workqueue_struct *scsi_tgtd;
+static kmem_cache_t *scsi_tgt_cmd_cache;
+
+/*
+ * TODO: this struct will be killed when the block layer supports large bios
+ * and James's work struct code is in
+ */
+struct scsi_tgt_cmd {
+ /* TODO replace work with James b's code */
+ struct work_struct work;
+ /* TODO replace the lists with a large bio */
+ struct bio_list xfer_done_list;
+ struct bio_list xfer_list;
+
+ struct list_head hash_list;
+ struct request *rq;
+ u64 tag;
+
+ void *buffer;
+ unsigned bufflen;
+};
+
+#define TGT_HASH_ORDER 4
+#define cmd_hashfn(tag) hash_long((unsigned long) (tag), TGT_HASH_ORDER)
+
+struct scsi_tgt_queuedata {
+ struct Scsi_Host *shost;
+ struct list_head cmd_hash[1 << TGT_HASH_ORDER];
+ spinlock_t cmd_hash_lock;
+};
+
+/*
+ * Function: scsi_host_get_command()
+ *
+ * Purpose: Allocate and setup a scsi command block and blk request
+ *
+ * Arguments: shost - scsi host
+ * data_dir - dma data dir
+ * gfp_mask- allocator flags
+ *
+ * Returns: The allocated scsi command structure.
+ *
+ * This should be called by target LLDs to get a command.
+ */
+struct scsi_cmnd *scsi_host_get_command(struct Scsi_Host *shost,
+ enum dma_data_direction data_dir,
+ gfp_t gfp_mask)
+{
+ int write = (data_dir == DMA_TO_DEVICE);
+ struct request *rq;
+ struct scsi_cmnd *cmd;
+ struct scsi_tgt_cmd *tcmd;
+
+ /* Bail if we can't get a reference to the device */
+ if (!get_device(&shost->shost_gendev))
+ return NULL;
+
+ tcmd = kmem_cache_alloc(scsi_tgt_cmd_cache, GFP_ATOMIC);
+ if (!tcmd)
+ goto put_dev;
+
+ rq = blk_get_request(shost->uspace_req_q, write, gfp_mask);
+ if (!rq)
+ goto free_tcmd;
+
+ cmd = __scsi_get_command(shost, gfp_mask);
+ if (!cmd)
+ goto release_rq;
+
+ memset(cmd, 0, sizeof(*cmd));
+ cmd->sc_data_direction = data_dir;
+ cmd->jiffies_at_alloc = jiffies;
+ cmd->request = rq;
+
+ rq->special = cmd;
+ rq->cmd_type = REQ_TYPE_SPECIAL;
+ rq->cmd_flags |= REQ_TYPE_BLOCK_PC;
+ rq->end_io_data = tcmd;
+
+ bio_list_init(&tcmd->xfer_list);
+ bio_list_init(&tcmd->xfer_done_list);
+ tcmd->rq = rq;
+
+ return cmd;
+
+release_rq:
+ blk_put_request(rq);
+free_tcmd:
+ kmem_cache_free(scsi_tgt_cmd_cache, tcmd);
+put_dev:
+ put_device(&shost->shost_gendev);
+ return NULL;
+
+}
+EXPORT_SYMBOL_GPL(scsi_host_get_command);
+
+/*
+ * Function: scsi_host_put_command()
+ *
+ * Purpose: Free a scsi command block
+ *
+ * Arguments: shost - scsi host
+ * cmd - command block to free
+ *
+ * Returns: Nothing.
+ *
+ * Notes: The command must not belong to any lists.
+ */
+void scsi_host_put_command(struct Scsi_Host *shost, struct scsi_cmnd *cmd)
+{
+ struct request_queue *q = shost->uspace_req_q;
+ struct request *rq = cmd->request;
+ struct scsi_tgt_cmd *tcmd = rq->end_io_data;
+ unsigned long flags;
+
+ kmem_cache_free(scsi_tgt_cmd_cache, tcmd);
+
+ spin_lock_irqsave(q->queue_lock, flags);
+ __blk_put_request(q, rq);
+ spin_unlock_irqrestore(q->queue_lock, flags);
+
+ __scsi_put_command(shost, cmd, &shost->shost_gendev);
+}
+EXPORT_SYMBOL_GPL(scsi_host_put_command);
+
+static void scsi_unmap_user_pages(struct scsi_tgt_cmd *tcmd)
+{
+ struct bio *bio;
+
+ /* must call bio_endio in case bio was bounced */
+ while ((bio = bio_list_pop(&tcmd->xfer_done_list))) {
+ bio_endio(bio, bio->bi_size, 0);
+ bio_unmap_user(bio);
+ }
+
+ while ((bio = bio_list_pop(&tcmd->xfer_list))) {
+ bio_endio(bio, bio->bi_size, 0);
+ bio_unmap_user(bio);
+ }
+}
+
+static void cmd_hashlist_del(struct scsi_cmnd *cmd)
+{
+ struct request_queue *q = cmd->request->q;
+ struct scsi_tgt_queuedata *qdata = q->queuedata;
+ unsigned long flags;
+ struct scsi_tgt_cmd *tcmd = cmd->request->end_io_data;
+
+ spin_lock_irqsave(&qdata->cmd_hash_lock, flags);
+ list_del(&tcmd->hash_list);
+ spin_unlock_irqrestore(&qdata->cmd_hash_lock, flags);
+}
+
+static void scsi_tgt_cmd_destroy(void *data)
+{
+ struct scsi_cmnd *cmd = data;
+ struct scsi_tgt_cmd *tcmd = cmd->request->end_io_data;
+
+ dprintk("cmd %p %d %lu\n", cmd, cmd->sc_data_direction,
+ rq_data_dir(cmd->request));
+ /*
+ * We fix rq->cmd_flags here since when we told bio_map_user
+ * to write vm for WRITE commands, blk_rq_bio_prep set
+ * rq_data_dir the flags to READ.
+ */
+ if (cmd->sc_data_direction == DMA_TO_DEVICE)
+ cmd->request->cmd_flags |= REQ_RW;
+ else
+ cmd->request->cmd_flags &= ~REQ_RW;
+
+ scsi_unmap_user_pages(tcmd);
+ scsi_host_put_command(scsi_tgt_cmd_to_host(cmd), cmd);
+}
+
+static void init_scsi_tgt_cmd(struct request *rq, struct scsi_tgt_cmd *tcmd,
+ u64 tag)
+{
+ struct scsi_tgt_queuedata *qdata = rq->q->queuedata;
+ unsigned long flags;
+ struct list_head *head;
+
+ tcmd->tag = tag;
+ spin_lock_irqsave(&qdata->cmd_hash_lock, flags);
+ head = &qdata->cmd_hash[cmd_hashfn(tag)];
+ list_add(&tcmd->hash_list, head);
+ spin_unlock_irqrestore(&qdata->cmd_hash_lock, flags);
+}
+
+/*
+ * scsi_tgt_alloc_queue - setup queue used for message passing
+ * shost: scsi host
+ *
+ * This should be called by the LLD after host allocation.
+ * And will be released when the host is released.
+ */
+int scsi_tgt_alloc_queue(struct Scsi_Host *shost)
+{
+ struct scsi_tgt_queuedata *queuedata;
+ struct request_queue *q;
+ int err, i;
+
+ /*
+ * Do we need to send a netlink event or should uspace
+ * just respond to the hotplug event?
+ */
+ q = __scsi_alloc_queue(shost, NULL);
+ if (!q)
+ return -ENOMEM;
+
+ queuedata = kzalloc(sizeof(*queuedata), GFP_KERNEL);
+ if (!queuedata) {
+ err = -ENOMEM;
+ goto cleanup_queue;
+ }
+ queuedata->shost = shost;
+ q->queuedata = queuedata;
+
+ /*
+ * this is a silly hack. We should probably just queue as many
+ * command as is recvd to userspace. uspace can then make
+ * sure we do not overload the HBA
+ */
+ q->nr_requests = shost->hostt->can_queue;
+ /*
+ * We currently only support software LLDs so this does
+ * not matter for now. Do we need this for the cards we support?
+ * If so we should make it a host template value.
+ */
+ blk_queue_dma_alignment(q, 0);
+ shost->uspace_req_q = q;
+
+ for (i = 0; i < ARRAY_SIZE(queuedata->cmd_hash); i++)
+ INIT_LIST_HEAD(&queuedata->cmd_hash[i]);
+ spin_lock_init(&queuedata->cmd_hash_lock);
+
+ return 0;
+
+cleanup_queue:
+ blk_cleanup_queue(q);
+ return err;
+}
+EXPORT_SYMBOL_GPL(scsi_tgt_alloc_queue);
+
+void scsi_tgt_free_queue(struct Scsi_Host *shost)
+{
+ int i;
+ unsigned long flags;
+ struct request_queue *q = shost->uspace_req_q;
+ struct scsi_cmnd *cmd;
+ struct scsi_tgt_queuedata *qdata = q->queuedata;
+ struct scsi_tgt_cmd *tcmd, *n;
+ LIST_HEAD(cmds);
+
+ spin_lock_irqsave(&qdata->cmd_hash_lock, flags);
+
+ for (i = 0; i < ARRAY_SIZE(qdata->cmd_hash); i++) {
+ list_for_each_entry_safe(tcmd, n, &qdata->cmd_hash[i],
+ hash_list) {
+ list_del(&tcmd->hash_list);
+ list_add(&tcmd->hash_list, &cmds);
+ }
+ }
+
+ spin_unlock_irqrestore(&qdata->cmd_hash_lock, flags);
+
+ while (!list_empty(&cmds)) {
+ tcmd = list_entry(cmds.next, struct scsi_tgt_cmd, hash_list);
+ list_del(&tcmd->hash_list);
+ cmd = tcmd->rq->special;
+
+ shost->hostt->eh_abort_handler(cmd);
+ scsi_tgt_cmd_destroy(cmd);
+ }
+}
+EXPORT_SYMBOL_GPL(scsi_tgt_free_queue);
+
+struct Scsi_Host *scsi_tgt_cmd_to_host(struct scsi_cmnd *cmd)
+{
+ struct scsi_tgt_queuedata *queue = cmd->request->q->queuedata;
+ return queue->shost;
+}
+EXPORT_SYMBOL_GPL(scsi_tgt_cmd_to_host);
+
+/*
+ * scsi_tgt_queue_command - queue command for userspace processing
+ * @cmd: scsi command
+ * @scsilun: scsi lun
+ * @tag: unique value to identify this command for tmf
+ */
+int scsi_tgt_queue_command(struct scsi_cmnd *cmd, struct scsi_lun *scsilun,
+ u64 tag)
+{
+ struct scsi_tgt_cmd *tcmd = cmd->request->end_io_data;
+ int err;
+
+ init_scsi_tgt_cmd(cmd->request, tcmd, tag);
+ err = scsi_tgt_uspace_send_cmd(cmd, scsilun, tag);
+ if (err)
+ cmd_hashlist_del(cmd);
+
+ return err;
+}
+EXPORT_SYMBOL_GPL(scsi_tgt_queue_command);
+
+/*
+ * This is run from a interrpt handler normally and the unmap
+ * needs process context so we must queue
+ */
+static void scsi_tgt_cmd_done(struct scsi_cmnd *cmd)
+{
+ struct scsi_tgt_cmd *tcmd = cmd->request->end_io_data;
+
+ dprintk("cmd %p %lu\n", cmd, rq_data_dir(cmd->request));
+
+ scsi_tgt_uspace_send_status(cmd, tcmd->tag);
+ INIT_WORK(&tcmd->work, scsi_tgt_cmd_destroy, cmd);
+ queue_work(scsi_tgtd, &tcmd->work);
+}
+
+static int __scsi_tgt_transfer_response(struct scsi_cmnd *cmd)
+{
+ struct Scsi_Host *shost = scsi_tgt_cmd_to_host(cmd);
+ int err;
+
+ dprintk("cmd %p %lu\n", cmd, rq_data_dir(cmd->request));
+
+ err = shost->hostt->transfer_response(cmd, scsi_tgt_cmd_done);
+ switch (err) {
+ case SCSI_MLQUEUE_HOST_BUSY:
+ case SCSI_MLQUEUE_DEVICE_BUSY:
+ return -EAGAIN;
+ }
+
+ return 0;
+}
+
+static void scsi_tgt_transfer_response(struct scsi_cmnd *cmd)
+{
+ struct scsi_tgt_cmd *tcmd = cmd->request->end_io_data;
+ int err;
+
+ err = __scsi_tgt_transfer_response(cmd);
+ if (!err)
+ return;
+
+ cmd->result = DID_BUS_BUSY << 16;
+ err = scsi_tgt_uspace_send_status(cmd, tcmd->tag);
+ if (err <= 0)
+ /* the eh will have to pick this up */
+ printk(KERN_ERR "Could not send cmd %p status\n", cmd);
+}
+
+static int scsi_tgt_init_cmd(struct scsi_cmnd *cmd, gfp_t gfp_mask)
+{
+ struct request *rq = cmd->request;
+ struct scsi_tgt_cmd *tcmd = rq->end_io_data;
+ int count;
+
+ cmd->use_sg = rq->nr_phys_segments;
+ cmd->request_buffer = scsi_alloc_sgtable(cmd, gfp_mask);
+ if (!cmd->request_buffer)
+ return -ENOMEM;
+
+ cmd->request_bufflen = rq->data_len;
+
+ dprintk("cmd %p addr %p cnt %d %lu\n", cmd, tcmd->buffer, cmd->use_sg,
+ rq_data_dir(rq));
+ count = blk_rq_map_sg(rq->q, rq, cmd->request_buffer);
+ if (likely(count <= cmd->use_sg)) {
+ cmd->use_sg = count;
+ return 0;
+ }
+
+ eprintk("cmd %p addr %p cnt %d\n", cmd, tcmd->buffer, cmd->use_sg);
+ scsi_free_sgtable(cmd->request_buffer, cmd->sglist_len);
+ return -EINVAL;
+}
+
+/* TODO: test this crap and replace bio_map_user with new interface maybe */
+static int scsi_map_user_pages(struct scsi_tgt_cmd *tcmd, struct scsi_cmnd *cmd,
+ int rw)
+{
+ struct request_queue *q = cmd->request->q;
+ struct request *rq = cmd->request;
+ void *uaddr = tcmd->buffer;
+ unsigned int len = tcmd->bufflen;
+ struct bio *bio;
+ int err;
+
+ while (len > 0) {
+ dprintk("%lx %u\n", (unsigned long) uaddr, len);
+ bio = bio_map_user(q, NULL, (unsigned long) uaddr, len, rw);
+ if (IS_ERR(bio)) {
+ err = PTR_ERR(bio);
+ dprintk("fail to map %lx %u %d %x\n",
+ (unsigned long) uaddr, len, err, cmd->cmnd[0]);
+ goto unmap_bios;
+ }
+
+ uaddr += bio->bi_size;
+ len -= bio->bi_size;
+
+ /*
+ * The first bio is added and merged. We could probably
+ * try to add others using scsi_merge_bio() but for now
+ * we keep it simple. The first bio should be pretty large
+ * (either hitting the 1 MB bio pages limit or a queue limit)
+ * already but for really large IO we may want to try and
+ * merge these.
+ */
+ if (!rq->bio) {
+ blk_rq_bio_prep(q, rq, bio);
+ rq->data_len = bio->bi_size;
+ } else
+ /* put list of bios to transfer in next go around */
+ bio_list_add(&tcmd->xfer_list, bio);
+ }
+
+ cmd->offset = 0;
+ err = scsi_tgt_init_cmd(cmd, GFP_KERNEL);
+ if (err)
+ goto unmap_bios;
+
+ return 0;
+
+unmap_bios:
+ if (rq->bio) {
+ bio_unmap_user(rq->bio);
+ while ((bio = bio_list_pop(&tcmd->xfer_list)))
+ bio_unmap_user(bio);
+ }
+
+ return err;
+}
+
+static int scsi_tgt_transfer_data(struct scsi_cmnd *);
+
+static void scsi_tgt_data_transfer_done(struct scsi_cmnd *cmd)
+{
+ struct scsi_tgt_cmd *tcmd = cmd->request->end_io_data;
+ struct bio *bio;
+ int err;
+
+ /* should we free resources here on error ? */
+ if (cmd->result) {
+send_uspace_err:
+ err = scsi_tgt_uspace_send_status(cmd, tcmd->tag);
+ if (err <= 0)
+ /* the tgt uspace eh will have to pick this up */
+ printk(KERN_ERR "Could not send cmd %p status\n", cmd);
+ return;
+ }
+
+ dprintk("cmd %p request_bufflen %u bufflen %u\n",
+ cmd, cmd->request_bufflen, tcmd->bufflen);
+
+ scsi_free_sgtable(cmd->request_buffer, cmd->sglist_len);
+ bio_list_add(&tcmd->xfer_done_list, cmd->request->bio);
+
+ tcmd->buffer += cmd->request_bufflen;
+ cmd->offset += cmd->request_bufflen;
+
+ if (!tcmd->xfer_list.head) {
+ scsi_tgt_transfer_response(cmd);
+ return;
+ }
+
+ dprintk("cmd2 %p request_bufflen %u bufflen %u\n",
+ cmd, cmd->request_bufflen, tcmd->bufflen);
+
+ bio = bio_list_pop(&tcmd->xfer_list);
+ BUG_ON(!bio);
+
+ blk_rq_bio_prep(cmd->request->q, cmd->request, bio);
+ cmd->request->data_len = bio->bi_size;
+ err = scsi_tgt_init_cmd(cmd, GFP_ATOMIC);
+ if (err) {
+ cmd->result = DID_ERROR << 16;
+ goto send_uspace_err;
+ }
+
+ if (scsi_tgt_transfer_data(cmd)) {
+ cmd->result = DID_NO_CONNECT << 16;
+ goto send_uspace_err;
+ }
+}
+
+static int scsi_tgt_transfer_data(struct scsi_cmnd *cmd)
+{
+ int err;
+ struct Scsi_Host *host = scsi_tgt_cmd_to_host(cmd);
+
+ err = host->hostt->transfer_data(cmd, scsi_tgt_data_transfer_done);
+ switch (err) {
+ case SCSI_MLQUEUE_HOST_BUSY:
+ case SCSI_MLQUEUE_DEVICE_BUSY:
+ return -EAGAIN;
+ default:
+ return 0;
+ }
+}
+
+static int scsi_tgt_copy_sense(struct scsi_cmnd *cmd, unsigned long uaddr,
+ unsigned len)
+{
+ char __user *p = (char __user *) uaddr;
+
+ if (copy_from_user(cmd->sense_buffer, p,
+ min_t(unsigned, SCSI_SENSE_BUFFERSIZE, len))) {
+ printk(KERN_ERR "Could not copy the sense buffer\n");
+ return -EIO;
+ }
+ return 0;
+}
+
+static int scsi_tgt_abort_cmd(struct Scsi_Host *shost, struct scsi_cmnd *cmd)
+{
+ int err;
+
+ err = shost->hostt->eh_abort_handler(cmd);
+ if (err)
+ eprintk("fail to abort %p\n", cmd);
+
+ scsi_tgt_cmd_destroy(cmd);
+ return err;
+}
+
+static struct request *tgt_cmd_hash_lookup(struct request_queue *q, u64 tag)
+{
+ struct scsi_tgt_queuedata *qdata = q->queuedata;
+ struct request *rq = NULL;
+ struct list_head *head;
+ struct scsi_tgt_cmd *tcmd;
+ unsigned long flags;
+
+ head = &qdata->cmd_hash[cmd_hashfn(tag)];
+ spin_lock_irqsave(&qdata->cmd_hash_lock, flags);
+ list_for_each_entry(tcmd, head, hash_list) {
+ if (tcmd->tag == tag) {
+ rq = tcmd->rq;
+ list_del(&tcmd->hash_list);
+ break;
+ }
+ }
+ spin_unlock_irqrestore(&qdata->cmd_hash_lock, flags);
+
+ return rq;
+}
+
+int scsi_tgt_kspace_exec(int host_no, u64 tag, int result, u32 len,
+ unsigned long uaddr, u8 rw)
+{
+ struct Scsi_Host *shost;
+ struct scsi_cmnd *cmd;
+ struct request *rq;
+ struct scsi_tgt_cmd *tcmd;
+ int err = 0;
+
+ dprintk("%d %llu %d %u %lx %u\n", host_no, (unsigned long long) tag,
+ result, len, uaddr, rw);
+
+ /* TODO: replace with a O(1) alg */
+ shost = scsi_host_lookup(host_no);
+ if (IS_ERR(shost)) {
+ printk(KERN_ERR "Could not find host no %d\n", host_no);
+ return -EINVAL;
+ }
+
+ if (!shost->uspace_req_q) {
+ printk(KERN_ERR "Not target scsi host %d\n", host_no);
+ goto done;
+ }
+
+ rq = tgt_cmd_hash_lookup(shost->uspace_req_q, tag);
+ if (!rq) {
+ printk(KERN_ERR "Could not find tag %llu\n",
+ (unsigned long long) tag);
+ err = -EINVAL;
+ goto done;
+ }
+ cmd = rq->special;
+
+ dprintk("cmd %p result %d len %d bufflen %u %lu %x\n", cmd,
+ result, len, cmd->request_bufflen, rq_data_dir(rq), cmd->cmnd[0]);
+
+ if (result == TASK_ABORTED) {
+ scsi_tgt_abort_cmd(shost, cmd);
+ goto done;
+ }
+ /*
+ * store the userspace values here, the working values are
+ * in the request_* values
+ */
+ tcmd = cmd->request->end_io_data;
+ tcmd->buffer = (void *)uaddr;
+ tcmd->bufflen = len;
+ cmd->result = result;
+
+ if (!tcmd->bufflen || cmd->request_buffer) {
+ err = __scsi_tgt_transfer_response(cmd);
+ goto done;
+ }
+
+ /*
+ * TODO: Do we need to handle case where request does not
+ * align with LLD.
+ */
+ err = scsi_map_user_pages(rq->end_io_data, cmd, rw);
+ if (err) {
+ eprintk("%p %d\n", cmd, err);
+ err = -EAGAIN;
+ goto done;
+ }
+
+ /* userspace failure */
+ if (cmd->result) {
+ if (status_byte(cmd->result) == CHECK_CONDITION)
+ scsi_tgt_copy_sense(cmd, uaddr, len);
+ err = __scsi_tgt_transfer_response(cmd);
+ goto done;
+ }
+ /* ask the target LLD to transfer the data to the buffer */
+ err = scsi_tgt_transfer_data(cmd);
+
+done:
+ scsi_host_put(shost);
+ return err;
+}
+
+int scsi_tgt_tsk_mgmt_request(struct Scsi_Host *shost, int function, u64 tag,
+ struct scsi_lun *scsilun, void *data)
+{
+ int err;
+
+ /* TODO: need to retry if this fails. */
+ err = scsi_tgt_uspace_send_tsk_mgmt(shost->host_no, function,
+ tag, scsilun, data);
+ if (err < 0)
+ eprintk("The task management request lost!\n");
+ return err;
+}
+EXPORT_SYMBOL_GPL(scsi_tgt_tsk_mgmt_request);
+
+int scsi_tgt_kspace_tsk_mgmt(int host_no, u64 mid, int result)
+{
+ struct Scsi_Host *shost;
+ int err = -EINVAL;
+
+ dprintk("%d %d %llx\n", host_no, result, (unsigned long long) mid);
+
+ shost = scsi_host_lookup(host_no);
+ if (IS_ERR(shost)) {
+ printk(KERN_ERR "Could not find host no %d\n", host_no);
+ return err;
+ }
+
+ if (!shost->uspace_req_q) {
+ printk(KERN_ERR "Not target scsi host %d\n", host_no);
+ goto done;
+ }
+
+ err = shost->hostt->tsk_mgmt_response(mid, result);
+done:
+ scsi_host_put(shost);
+ return err;
+}
+
+static int __init scsi_tgt_init(void)
+{
+ int err;
+
+ scsi_tgt_cmd_cache = kmem_cache_create("scsi_tgt_cmd",
+ sizeof(struct scsi_tgt_cmd),
+ 0, 0, NULL, NULL);
+ if (!scsi_tgt_cmd_cache)
+ return -ENOMEM;
+
+ scsi_tgtd = create_workqueue("scsi_tgtd");
+ if (!scsi_tgtd) {
+ err = -ENOMEM;
+ goto free_kmemcache;
+ }
+
+ err = scsi_tgt_if_init();
+ if (err)
+ goto destroy_wq;
+
+ return 0;
+
+destroy_wq:
+ destroy_workqueue(scsi_tgtd);
+free_kmemcache:
+ kmem_cache_destroy(scsi_tgt_cmd_cache);
+ return err;
+}
+
+static void __exit scsi_tgt_exit(void)
+{
+ destroy_workqueue(scsi_tgtd);
+ scsi_tgt_if_exit();
+ kmem_cache_destroy(scsi_tgt_cmd_cache);
+}
+
+module_init(scsi_tgt_init);
+module_exit(scsi_tgt_exit);
+
+MODULE_DESCRIPTION("SCSI target core");
+MODULE_LICENSE("GPL");
diff --git a/drivers/scsi/scsi_tgt_priv.h b/drivers/scsi/scsi_tgt_priv.h
new file mode 100644
index 00000000000..84488c51ff6
--- /dev/null
+++ b/drivers/scsi/scsi_tgt_priv.h
@@ -0,0 +1,25 @@
+struct scsi_cmnd;
+struct scsi_lun;
+struct Scsi_Host;
+struct task_struct;
+
+/* tmp - will replace with SCSI logging stuff */
+#define eprintk(fmt, args...) \
+do { \
+ printk("%s(%d) " fmt, __FUNCTION__, __LINE__, ##args); \
+} while (0)
+
+#define dprintk(fmt, args...)
+/* #define dprintk eprintk */
+
+extern void scsi_tgt_if_exit(void);
+extern int scsi_tgt_if_init(void);
+
+extern int scsi_tgt_uspace_send_cmd(struct scsi_cmnd *cmd, struct scsi_lun *lun,
+ u64 tag);
+extern int scsi_tgt_uspace_send_status(struct scsi_cmnd *cmd, u64 tag);
+extern int scsi_tgt_kspace_exec(int host_no, u64 tag, int result, u32 len,
+ unsigned long uaddr, u8 rw);
+extern int scsi_tgt_uspace_send_tsk_mgmt(int host_no, int function, u64 tag,
+ struct scsi_lun *scsilun, void *data);
+extern int scsi_tgt_kspace_tsk_mgmt(int host_no, u64 mid, int result);
diff --git a/drivers/scsi/scsi_wait_scan.c b/drivers/scsi/scsi_wait_scan.c
new file mode 100644
index 00000000000..8a636103083
--- /dev/null
+++ b/drivers/scsi/scsi_wait_scan.c
@@ -0,0 +1,31 @@
+/*
+ * scsi_wait_scan.c
+ *
+ * Copyright (C) 2006 James Bottomley <James.Bottomley@SteelEye.com>
+ *
+ * This is a simple module to wait until all the async scans are
+ * complete. The idea is to use it in initrd/initramfs scripts. You
+ * modprobe it after all the modprobes of the root SCSI drivers and it
+ * will wait until they have all finished scanning their busses before
+ * allowing the boot to proceed
+ */
+
+#include <linux/module.h>
+#include "scsi_priv.h"
+
+static int __init wait_scan_init(void)
+{
+ scsi_complete_async_scans();
+ return 0;
+}
+
+static void __exit wait_scan_exit(void)
+{
+}
+
+MODULE_DESCRIPTION("SCSI wait for scans");
+MODULE_AUTHOR("James Bottomley");
+MODULE_LICENSE("GPL");
+
+late_initcall(wait_scan_init);
+module_exit(wait_scan_exit);
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 84ff203ffed..f6a452846fa 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -1051,6 +1051,14 @@ sd_spinup_disk(struct scsi_disk *sdkp, char *diskname)
&sshdr, SD_TIMEOUT,
SD_MAX_RETRIES);
+ /*
+ * If the drive has indicated to us that it
+ * doesn't have any media in it, don't bother
+ * with any more polling.
+ */
+ if (media_not_present(sdkp, &sshdr))
+ return;
+
if (the_result)
sense_valid = scsi_sense_valid(&sshdr);
retries++;
@@ -1059,14 +1067,6 @@ sd_spinup_disk(struct scsi_disk *sdkp, char *diskname)
((driver_byte(the_result) & DRIVER_SENSE) &&
sense_valid && sshdr.sense_key == UNIT_ATTENTION)));
- /*
- * If the drive has indicated to us that it doesn't have
- * any media in it, don't bother with any of the rest of
- * this crap.
- */
- if (media_not_present(sdkp, &sshdr))
- return;
-
if ((driver_byte(the_result) & DRIVER_SENSE) == 0) {
/* no sense, TUR either succeeded or failed
* with a status error */
@@ -1467,7 +1467,6 @@ sd_read_cache_type(struct scsi_disk *sdkp, char *diskname,
res = sd_do_mode_sense(sdp, dbd, modepage, buffer, len, &data, &sshdr);
if (scsi_status_is_good(res)) {
- int ct = 0;
int offset = data.header_length + data.block_descriptor_length;
if (offset >= SD_BUF_SIZE - 2) {
@@ -1496,11 +1495,13 @@ sd_read_cache_type(struct scsi_disk *sdkp, char *diskname,
sdkp->DPOFUA = 0;
}
- ct = sdkp->RCD + 2*sdkp->WCE;
-
- printk(KERN_NOTICE "SCSI device %s: drive cache: %s%s\n",
- diskname, sd_cache_types[ct],
- sdkp->DPOFUA ? " w/ FUA" : "");
+ printk(KERN_NOTICE "SCSI device %s: "
+ "write cache: %s, read cache: %s, %s\n",
+ diskname,
+ sdkp->WCE ? "enabled" : "disabled",
+ sdkp->RCD ? "disabled" : "enabled",
+ sdkp->DPOFUA ? "supports DPO and FUA"
+ : "doesn't support DPO or FUA");
return;
}
diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c
index e1a52c525ed..587274dd705 100644
--- a/drivers/scsi/st.c
+++ b/drivers/scsi/st.c
@@ -9,7 +9,7 @@
Steve Hirsch, Andreas Koppenh"ofer, Michael Leodolter, Eyal Lebedinsky,
Michael Schaefer, J"org Weule, and Eric Youngdale.
- Copyright 1992 - 2005 Kai Makisara
+ Copyright 1992 - 2006 Kai Makisara
email Kai.Makisara@kolumbus.fi
Some small formal changes - aeb, 950809
@@ -17,7 +17,7 @@
Last modified: 18-JAN-1998 Richard Gooch <rgooch@atnf.csiro.au> Devfs support
*/
-static const char *verstr = "20050830";
+static const char *verstr = "20061107";
#include <linux/module.h>
@@ -999,7 +999,7 @@ static int check_tape(struct scsi_tape *STp, struct file *filp)
STp->min_block = ((STp->buffer)->b_data[4] << 8) |
(STp->buffer)->b_data[5];
if ( DEB( debugging || ) !STp->inited)
- printk(KERN_WARNING
+ printk(KERN_INFO
"%s: Block limits %d - %d bytes.\n", name,
STp->min_block, STp->max_block);
} else {
@@ -1224,7 +1224,7 @@ static int st_flush(struct file *filp, fl_owner_t id)
}
DEBC( if (STp->nbr_requests)
- printk(KERN_WARNING "%s: Number of r/w requests %d, dio used in %d, pages %d (%d).\n",
+ printk(KERN_DEBUG "%s: Number of r/w requests %d, dio used in %d, pages %d (%d).\n",
name, STp->nbr_requests, STp->nbr_dio, STp->nbr_pages, STp->nbr_combinable));
if (STps->rw == ST_WRITING && !STp->pos_unknown) {
@@ -4056,11 +4056,11 @@ static int st_probe(struct device *dev)
goto out_free_tape;
}
- sdev_printk(KERN_WARNING, SDp,
+ sdev_printk(KERN_NOTICE, SDp,
"Attached scsi tape %s\n", tape_name(tpnt));
- printk(KERN_WARNING "%s: try direct i/o: %s (alignment %d B)\n",
- tape_name(tpnt), tpnt->try_dio ? "yes" : "no",
- queue_dma_alignment(SDp->request_queue) + 1);
+ sdev_printk(KERN_INFO, SDp, "%s: try direct i/o: %s (alignment %d B)\n",
+ tape_name(tpnt), tpnt->try_dio ? "yes" : "no",
+ queue_dma_alignment(SDp->request_queue) + 1);
return 0;
diff --git a/drivers/scsi/stex.c b/drivers/scsi/stex.c
index 185c270bb04..ba6bcdaf2a6 100644
--- a/drivers/scsi/stex.c
+++ b/drivers/scsi/stex.c
@@ -11,8 +11,6 @@
* Written By:
* Ed Lin <promise_linux@promise.com>
*
- * Version: 3.0.0.1
- *
*/
#include <linux/init.h>
@@ -37,9 +35,9 @@
#include <scsi/scsi_tcq.h>
#define DRV_NAME "stex"
-#define ST_DRIVER_VERSION "3.0.0.1"
+#define ST_DRIVER_VERSION "3.1.0.1"
#define ST_VER_MAJOR 3
-#define ST_VER_MINOR 0
+#define ST_VER_MINOR 1
#define ST_OEM 0
#define ST_BUILD_VER 1
@@ -76,8 +74,10 @@ enum {
MU_STATE_STARTED = 4,
MU_STATE_RESETTING = 5,
- MU_MAX_DELAY_TIME = 240000,
+ MU_MAX_DELAY = 120,
MU_HANDSHAKE_SIGNATURE = 0x55aaaa55,
+ MU_HANDSHAKE_SIGNATURE_HALF = 0x5a5a0000,
+ MU_HARD_RESET_WAIT = 30000,
HMU_PARTNER_TYPE = 2,
/* firmware returned values */
@@ -120,7 +120,8 @@ enum {
st_shasta = 0,
st_vsc = 1,
- st_yosemite = 2,
+ st_vsc1 = 2,
+ st_yosemite = 3,
PASSTHRU_REQ_TYPE = 0x00000001,
PASSTHRU_REQ_NO_WAKEUP = 0x00000100,
@@ -150,6 +151,8 @@ enum {
MGT_CMD_SIGNATURE = 0xba,
INQUIRY_EVPD = 0x01,
+
+ ST_ADDITIONAL_MEM = 0x200000,
};
/* SCSI inquiry data */
@@ -211,7 +214,9 @@ struct handshake_frame {
__le32 partner_ver_minor;
__le32 partner_ver_oem;
__le32 partner_ver_build;
- u32 reserved1[4];
+ __le32 extra_offset; /* NEW */
+ __le32 extra_size; /* NEW */
+ u32 reserved1[2];
};
struct req_msg {
@@ -302,6 +307,7 @@ struct st_hba {
void __iomem *mmio_base; /* iomapped PCI memory space */
void *dma_mem;
dma_addr_t dma_handle;
+ size_t dma_size;
struct Scsi_Host *host;
struct pci_dev *pdev;
@@ -507,6 +513,7 @@ static void stex_controller_info(struct st_hba *hba, struct st_ccb *ccb)
size_t count = sizeof(struct st_frame);
p = hba->copy_buffer;
+ stex_internal_copy(ccb->cmd, p, &count, ccb->sg_count, ST_FROM_CMD);
memset(p->base, 0, sizeof(u32)*6);
*(unsigned long *)(p->base) = pci_resource_start(hba->pdev, 0);
p->rom_addr = 0;
@@ -901,27 +908,34 @@ static int stex_handshake(struct st_hba *hba)
void __iomem *base = hba->mmio_base;
struct handshake_frame *h;
dma_addr_t status_phys;
- int i;
+ u32 data;
+ unsigned long before;
if (readl(base + OMR0) != MU_HANDSHAKE_SIGNATURE) {
writel(MU_INBOUND_DOORBELL_HANDSHAKE, base + IDBL);
readl(base + IDBL);
- for (i = 0; readl(base + OMR0) != MU_HANDSHAKE_SIGNATURE
- && i < MU_MAX_DELAY_TIME; i++) {
+ before = jiffies;
+ while (readl(base + OMR0) != MU_HANDSHAKE_SIGNATURE) {
+ if (time_after(jiffies, before + MU_MAX_DELAY * HZ)) {
+ printk(KERN_ERR DRV_NAME
+ "(%s): no handshake signature\n",
+ pci_name(hba->pdev));
+ return -1;
+ }
rmb();
msleep(1);
}
-
- if (i == MU_MAX_DELAY_TIME) {
- printk(KERN_ERR DRV_NAME
- "(%s): no handshake signature\n",
- pci_name(hba->pdev));
- return -1;
- }
}
udelay(10);
+ data = readl(base + OMR1);
+ if ((data & 0xffff0000) == MU_HANDSHAKE_SIGNATURE_HALF) {
+ data &= 0x0000ffff;
+ if (hba->host->can_queue > data)
+ hba->host->can_queue = data;
+ }
+
h = (struct handshake_frame *)(hba->dma_mem + MU_REQ_BUFFER_SIZE);
h->rb_phy = cpu_to_le32(hba->dma_handle);
h->rb_phy_hi = cpu_to_le32((hba->dma_handle >> 16) >> 16);
@@ -931,6 +945,11 @@ static int stex_handshake(struct st_hba *hba)
h->status_cnt = cpu_to_le16(MU_STATUS_COUNT);
stex_gettime(&h->hosttime);
h->partner_type = HMU_PARTNER_TYPE;
+ if (hba->dma_size > STEX_BUFFER_SIZE) {
+ h->extra_offset = cpu_to_le32(STEX_BUFFER_SIZE);
+ h->extra_size = cpu_to_le32(ST_ADDITIONAL_MEM);
+ } else
+ h->extra_offset = h->extra_size = 0;
status_phys = hba->dma_handle + MU_REQ_BUFFER_SIZE;
writel(status_phys, base + IMR0);
@@ -944,19 +963,18 @@ static int stex_handshake(struct st_hba *hba)
readl(base + IDBL); /* flush */
udelay(10);
- for (i = 0; readl(base + OMR0) != MU_HANDSHAKE_SIGNATURE
- && i < MU_MAX_DELAY_TIME; i++) {
+ before = jiffies;
+ while (readl(base + OMR0) != MU_HANDSHAKE_SIGNATURE) {
+ if (time_after(jiffies, before + MU_MAX_DELAY * HZ)) {
+ printk(KERN_ERR DRV_NAME
+ "(%s): no signature after handshake frame\n",
+ pci_name(hba->pdev));
+ return -1;
+ }
rmb();
msleep(1);
}
- if (i == MU_MAX_DELAY_TIME) {
- printk(KERN_ERR DRV_NAME
- "(%s): no signature after handshake frame\n",
- pci_name(hba->pdev));
- return -1;
- }
-
writel(0, base + IMR0);
readl(base + IMR0);
writel(0, base + OMR0);
@@ -1038,9 +1056,9 @@ static void stex_hard_reset(struct st_hba *hba)
pci_bctl &= ~PCI_BRIDGE_CTL_BUS_RESET;
pci_write_config_byte(bus->self, PCI_BRIDGE_CONTROL, pci_bctl);
- for (i = 0; i < MU_MAX_DELAY_TIME; i++) {
+ for (i = 0; i < MU_HARD_RESET_WAIT; i++) {
pci_read_config_word(hba->pdev, PCI_COMMAND, &pci_cmd);
- if (pci_cmd & PCI_COMMAND_MASTER)
+ if (pci_cmd != 0xffff && (pci_cmd & PCI_COMMAND_MASTER))
break;
msleep(1);
}
@@ -1100,18 +1118,18 @@ static int stex_reset(struct scsi_cmnd *cmd)
static int stex_biosparam(struct scsi_device *sdev,
struct block_device *bdev, sector_t capacity, int geom[])
{
- int heads = 255, sectors = 63, cylinders;
+ int heads = 255, sectors = 63;
if (capacity < 0x200000) {
heads = 64;
sectors = 32;
}
- cylinders = sector_div(capacity, heads * sectors);
+ sector_div(capacity, heads * sectors);
geom[0] = heads;
geom[1] = sectors;
- geom[2] = cylinders;
+ geom[2] = capacity;
return 0;
}
@@ -1193,8 +1211,13 @@ stex_probe(struct pci_dev *pdev, const struct pci_device_id *id)
goto out_iounmap;
}
+ hba->cardtype = (unsigned int) id->driver_data;
+ if (hba->cardtype == st_vsc && (pdev->subsystem_device & 0xf) == 0x1)
+ hba->cardtype = st_vsc1;
+ hba->dma_size = (hba->cardtype == st_vsc1) ?
+ (STEX_BUFFER_SIZE + ST_ADDITIONAL_MEM) : (STEX_BUFFER_SIZE);
hba->dma_mem = dma_alloc_coherent(&pdev->dev,
- STEX_BUFFER_SIZE, &hba->dma_handle, GFP_KERNEL);
+ hba->dma_size, &hba->dma_handle, GFP_KERNEL);
if (!hba->dma_mem) {
err = -ENOMEM;
printk(KERN_ERR DRV_NAME "(%s): dma mem alloc failed\n",
@@ -1207,8 +1230,6 @@ stex_probe(struct pci_dev *pdev, const struct pci_device_id *id)
hba->copy_buffer = hba->dma_mem + MU_BUFFER_SIZE;
hba->mu_status = MU_STATE_STARTING;
- hba->cardtype = (unsigned int) id->driver_data;
-
/* firmware uses id/lun pair for a logical drive, but lun would be
always 0 if CONFIG_SCSI_MULTI_LUN not configured, so we use
channel to map lun here */
@@ -1233,7 +1254,7 @@ stex_probe(struct pci_dev *pdev, const struct pci_device_id *id)
if (err)
goto out_free_irq;
- err = scsi_init_shared_tag_map(host, ST_CAN_QUEUE);
+ err = scsi_init_shared_tag_map(host, host->can_queue);
if (err) {
printk(KERN_ERR DRV_NAME "(%s): init shared queue failed\n",
pci_name(pdev));
@@ -1256,7 +1277,7 @@ stex_probe(struct pci_dev *pdev, const struct pci_device_id *id)
out_free_irq:
free_irq(pdev->irq, hba);
out_pci_free:
- dma_free_coherent(&pdev->dev, STEX_BUFFER_SIZE,
+ dma_free_coherent(&pdev->dev, hba->dma_size,
hba->dma_mem, hba->dma_handle);
out_iounmap:
iounmap(hba->mmio_base);
@@ -1317,7 +1338,7 @@ static void stex_hba_free(struct st_hba *hba)
pci_release_regions(hba->pdev);
- dma_free_coherent(&hba->pdev->dev, STEX_BUFFER_SIZE,
+ dma_free_coherent(&hba->pdev->dev, hba->dma_size,
hba->dma_mem, hba->dma_handle);
}
@@ -1346,15 +1367,32 @@ static void stex_shutdown(struct pci_dev *pdev)
}
static struct pci_device_id stex_pci_tbl[] = {
- { 0x105a, 0x8350, PCI_ANY_ID, PCI_ANY_ID, 0, 0, st_shasta },
- { 0x105a, 0xc350, PCI_ANY_ID, PCI_ANY_ID, 0, 0, st_shasta },
- { 0x105a, 0xf350, PCI_ANY_ID, PCI_ANY_ID, 0, 0, st_shasta },
- { 0x105a, 0x4301, PCI_ANY_ID, PCI_ANY_ID, 0, 0, st_shasta },
- { 0x105a, 0x4302, PCI_ANY_ID, PCI_ANY_ID, 0, 0, st_shasta },
- { 0x105a, 0x8301, PCI_ANY_ID, PCI_ANY_ID, 0, 0, st_shasta },
- { 0x105a, 0x8302, PCI_ANY_ID, PCI_ANY_ID, 0, 0, st_shasta },
- { 0x1725, 0x7250, PCI_ANY_ID, PCI_ANY_ID, 0, 0, st_vsc },
- { 0x105a, 0x8650, PCI_ANY_ID, PCI_ANY_ID, 0, 0, st_yosemite },
+ /* st_shasta */
+ { 0x105a, 0x8350, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+ st_shasta }, /* SuperTrak EX8350/8300/16350/16300 */
+ { 0x105a, 0xc350, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+ st_shasta }, /* SuperTrak EX12350 */
+ { 0x105a, 0x4302, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+ st_shasta }, /* SuperTrak EX4350 */
+ { 0x105a, 0xe350, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+ st_shasta }, /* SuperTrak EX24350 */
+
+ /* st_vsc */
+ { 0x105a, 0x7250, PCI_ANY_ID, PCI_ANY_ID, 0, 0, st_vsc },
+
+ /* st_yosemite */
+ { 0x105a, 0x8650, PCI_ANY_ID, 0x4600, 0, 0,
+ st_yosemite }, /* SuperTrak EX4650 */
+ { 0x105a, 0x8650, PCI_ANY_ID, 0x4610, 0, 0,
+ st_yosemite }, /* SuperTrak EX4650o */
+ { 0x105a, 0x8650, PCI_ANY_ID, 0x8600, 0, 0,
+ st_yosemite }, /* SuperTrak EX8650EL */
+ { 0x105a, 0x8650, PCI_ANY_ID, 0x8601, 0, 0,
+ st_yosemite }, /* SuperTrak EX8650 */
+ { 0x105a, 0x8650, PCI_ANY_ID, 0x8602, 0, 0,
+ st_yosemite }, /* SuperTrak EX8654 */
+ { 0x105a, 0x8650, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+ st_yosemite }, /* generic st_yosemite */
{ } /* terminate list */
};
MODULE_DEVICE_TABLE(pci, stex_pci_tbl);
diff --git a/drivers/scsi/t128.h b/drivers/scsi/t128.h
index 646e840266e..76a069b7ac0 100644
--- a/drivers/scsi/t128.h
+++ b/drivers/scsi/t128.h
@@ -8,20 +8,20 @@
* drew@colorado.edu
* +1 (303) 440-4894
*
- * DISTRIBUTION RELEASE 3.
+ * DISTRIBUTION RELEASE 3.
*
- * For more information, please consult
+ * For more information, please consult
*
* Trantor Systems, Ltd.
* T128/T128F/T228 SCSI Host Adapter
* Hardware Specifications
- *
- * Trantor Systems, Ltd.
+ *
+ * Trantor Systems, Ltd.
* 5415 Randall Place
* Fremont, CA 94538
* 1+ (415) 770-1400, FAX 1+ (415) 770-9910
- *
- * and
+ *
+ * and
*
* NCR 5380 Family
* SCSI Protocol Controller
@@ -48,15 +48,15 @@
#define TDEBUG_TRANSFER 0x2
/*
- * The trantor boards are memory mapped. They use an NCR5380 or
+ * The trantor boards are memory mapped. They use an NCR5380 or
* equivalent (my sample board had part second sourced from ZILOG).
- * NCR's recommended "Pseudo-DMA" architecture is used, where
+ * NCR's recommended "Pseudo-DMA" architecture is used, where
* a PAL drives the DMA signals on the 5380 allowing fast, blind
- * transfers with proper handshaking.
+ * transfers with proper handshaking.
*/
/*
- * Note : a boot switch is provided for the purpose of informing the
+ * Note : a boot switch is provided for the purpose of informing the
* firmware to boot or not boot from attached SCSI devices. So, I imagine
* there are fewer people who've yanked the ROM like they do on the Seagate
* to make bootup faster, and I'll probably use this for autodetection.
@@ -92,19 +92,20 @@
#define T_DATA_REG_OFFSET 0x1e00 /* rw 512 bytes long */
#ifndef ASM
-static int t128_abort(Scsi_Cmnd *);
+static int t128_abort(struct scsi_cmnd *);
static int t128_biosparam(struct scsi_device *, struct block_device *,
sector_t, int*);
static int t128_detect(struct scsi_host_template *);
-static int t128_queue_command(Scsi_Cmnd *, void (*done)(Scsi_Cmnd *));
-static int t128_bus_reset(Scsi_Cmnd *);
+static int t128_queue_command(struct scsi_cmnd *,
+ void (*done)(struct scsi_cmnd *));
+static int t128_bus_reset(struct scsi_cmnd *);
#ifndef CMD_PER_LUN
#define CMD_PER_LUN 2
#endif
#ifndef CAN_QUEUE
-#define CAN_QUEUE 32
+#define CAN_QUEUE 32
#endif
#ifndef HOSTS_C
@@ -120,7 +121,7 @@ static int t128_bus_reset(Scsi_Cmnd *);
#define T128_address(reg) (base + T_5380_OFFSET + ((reg) * 0x20))
-#if !(TDEBUG & TDEBUG_TRANSFER)
+#if !(TDEBUG & TDEBUG_TRANSFER)
#define NCR5380_read(reg) readb(T128_address(reg))
#define NCR5380_write(reg, value) writeb((value),(T128_address(reg)))
#else
@@ -129,7 +130,7 @@ static int t128_bus_reset(Scsi_Cmnd *);
, instance->hostno, (reg), T128_address(reg))), readb(T128_address(reg)))
#define NCR5380_write(reg, value) { \
- printk("scsi%d : write %02x to register %d at address %08x\n", \
+ printk("scsi%d : write %02x to register %d at address %08x\n", \
instance->hostno, (value), (reg), T128_address(reg)); \
writeb((value), (T128_address(reg))); \
}
@@ -142,10 +143,10 @@ static int t128_bus_reset(Scsi_Cmnd *);
#define NCR5380_bus_reset t128_bus_reset
#define NCR5380_proc_info t128_proc_info
-/* 15 14 12 10 7 5 3
+/* 15 14 12 10 7 5 3
1101 0100 1010 1000 */
-
-#define T128_IRQS 0xc4a8
+
+#define T128_IRQS 0xc4a8
#endif /* else def HOSTS_C */
#endif /* ndef ASM */
diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h
index 1d77b63c5ea..44b2f82a6ee 100644
--- a/include/scsi/libsas.h
+++ b/include/scsi/libsas.h
@@ -339,6 +339,8 @@ struct sas_ha_struct {
void (*notify_phy_event)(struct asd_sas_phy *, enum phy_event);
void *lldd_ha; /* not touched by sas class code */
+
+ struct list_head eh_done_q;
};
#define SHOST_TO_SAS_HA(_shost) (*(struct sas_ha_struct **)(_shost)->hostdata)
@@ -527,13 +529,16 @@ struct sas_task {
void *lldd_task; /* for use by LLDDs */
void *uldd_task;
+
+ struct work_struct abort_work;
};
-#define SAS_TASK_STATE_PENDING 1
-#define SAS_TASK_STATE_DONE 2
-#define SAS_TASK_STATE_ABORTED 4
+#define SAS_TASK_STATE_PENDING 1
+#define SAS_TASK_STATE_DONE 2
+#define SAS_TASK_STATE_ABORTED 4
+#define SAS_TASK_INITIATOR_ABORTED 8
static inline struct sas_task *sas_alloc_task(gfp_t flags)
{
@@ -593,6 +598,7 @@ struct sas_domain_function_template {
extern int sas_register_ha(struct sas_ha_struct *);
extern int sas_unregister_ha(struct sas_ha_struct *);
+int sas_phy_reset(struct sas_phy *phy, int hard_reset);
extern int sas_queuecommand(struct scsi_cmnd *,
void (*scsi_done)(struct scsi_cmnd *));
extern int sas_target_alloc(struct scsi_target *);
@@ -625,4 +631,6 @@ void sas_unregister_dev(struct domain_device *);
void sas_init_dev(struct domain_device *);
+void sas_task_abort(struct sas_task *task);
+
#endif /* _SASLIB_H_ */
diff --git a/include/scsi/libsrp.h b/include/scsi/libsrp.h
new file mode 100644
index 00000000000..d143171896a
--- /dev/null
+++ b/include/scsi/libsrp.h
@@ -0,0 +1,77 @@
+#ifndef __LIBSRP_H__
+#define __LIBSRP_H__
+
+#include <linux/list.h>
+#include <scsi/scsi_cmnd.h>
+#include <scsi/scsi_host.h>
+#include <scsi/srp.h>
+
+enum iue_flags {
+ V_DIOVER,
+ V_WRITE,
+ V_LINKED,
+ V_FLYING,
+};
+
+struct srp_buf {
+ dma_addr_t dma;
+ void *buf;
+};
+
+struct srp_queue {
+ void *pool;
+ void *items;
+ struct kfifo *queue;
+ spinlock_t lock;
+};
+
+struct srp_target {
+ struct Scsi_Host *shost;
+ struct device *dev;
+
+ spinlock_t lock;
+ struct list_head cmd_queue;
+
+ size_t srp_iu_size;
+ struct srp_queue iu_queue;
+ size_t rx_ring_size;
+ struct srp_buf **rx_ring;
+
+ void *ldata;
+};
+
+struct iu_entry {
+ struct srp_target *target;
+
+ struct list_head ilist;
+ dma_addr_t remote_token;
+ unsigned long flags;
+
+ struct srp_buf *sbuf;
+};
+
+typedef int (srp_rdma_t)(struct scsi_cmnd *, struct scatterlist *, int,
+ struct srp_direct_buf *, int,
+ enum dma_data_direction, unsigned int);
+extern int srp_target_alloc(struct srp_target *, struct device *, size_t, size_t);
+extern void srp_target_free(struct srp_target *);
+
+extern struct iu_entry *srp_iu_get(struct srp_target *);
+extern void srp_iu_put(struct iu_entry *);
+
+extern int srp_cmd_queue(struct Scsi_Host *, struct srp_cmd *, void *, u64);
+extern int srp_transfer_data(struct scsi_cmnd *, struct srp_cmd *,
+ srp_rdma_t, int, int);
+
+
+static inline struct srp_target *host_to_srp_target(struct Scsi_Host *host)
+{
+ return (struct srp_target *) host->hostdata;
+}
+
+static inline int srp_cmd_direction(struct srp_cmd *cmd)
+{
+ return (cmd->buf_fmt >> 4) ? DMA_TO_DEVICE : DMA_FROM_DEVICE;
+}
+
+#endif
diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h
index be117f812de..d6948d0e8cd 100644
--- a/include/scsi/scsi_cmnd.h
+++ b/include/scsi/scsi_cmnd.h
@@ -8,6 +8,7 @@
struct request;
struct scatterlist;
+struct Scsi_Host;
struct scsi_device;
@@ -72,6 +73,9 @@ struct scsi_cmnd {
unsigned short use_sg; /* Number of pieces of scatter-gather */
unsigned short sglist_len; /* size of malloc'd scatter-gather list */
+ /* offset in cmd we are at (for multi-transfer tgt cmds) */
+ unsigned offset;
+
unsigned underflow; /* Return error if less than
this amount is transferred */
@@ -119,7 +123,10 @@ struct scsi_cmnd {
};
extern struct scsi_cmnd *scsi_get_command(struct scsi_device *, gfp_t);
+extern struct scsi_cmnd *__scsi_get_command(struct Scsi_Host *, gfp_t);
extern void scsi_put_command(struct scsi_cmnd *);
+extern void __scsi_put_command(struct Scsi_Host *, struct scsi_cmnd *,
+ struct device *);
extern void scsi_io_completion(struct scsi_cmnd *, unsigned int);
extern void scsi_finish_command(struct scsi_cmnd *cmd);
extern void scsi_req_abort_cmd(struct scsi_cmnd *cmd);
@@ -128,4 +135,7 @@ extern void *scsi_kmap_atomic_sg(struct scatterlist *sg, int sg_count,
size_t *offset, size_t *len);
extern void scsi_kunmap_atomic_sg(void *virt);
+extern struct scatterlist *scsi_alloc_sgtable(struct scsi_cmnd *, gfp_t);
+extern void scsi_free_sgtable(struct scatterlist *, int);
+
#endif /* _SCSI_SCSI_CMND_H */
diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h
index b401c82036b..ebf31b16dc4 100644
--- a/include/scsi/scsi_device.h
+++ b/include/scsi/scsi_device.h
@@ -223,13 +223,13 @@ extern struct scsi_device *__scsi_iterate_devices(struct Scsi_Host *,
struct scsi_device *);
/**
- * shost_for_each_device - iterate over all devices of a host
- * @sdev: iterator
- * @host: host whiches devices we want to iterate over
+ * shost_for_each_device - iterate over all devices of a host
+ * @sdev: the &struct scsi_device to use as a cursor
+ * @shost: the &struct scsi_host to iterate over
*
- * This traverses over each devices of @shost. The devices have
- * a reference that must be released by scsi_host_put when breaking
- * out of the loop.
+ * Iterator that returns each device attached to @shost. This loop
+ * takes a reference on each device and releases it at the end. If
+ * you break out of the loop, you must call scsi_device_put(sdev).
*/
#define shost_for_each_device(sdev, shost) \
for ((sdev) = __scsi_iterate_devices((shost), NULL); \
@@ -237,17 +237,17 @@ extern struct scsi_device *__scsi_iterate_devices(struct Scsi_Host *,
(sdev) = __scsi_iterate_devices((shost), (sdev)))
/**
- * __shost_for_each_device - iterate over all devices of a host (UNLOCKED)
- * @sdev: iterator
- * @host: host whiches devices we want to iterate over
+ * __shost_for_each_device - iterate over all devices of a host (UNLOCKED)
+ * @sdev: the &struct scsi_device to use as a cursor
+ * @shost: the &struct scsi_host to iterate over
*
- * This traverses over each devices of @shost. It does _not_ take a
- * reference on the scsi_device, thus it the whole loop must be protected
- * by shost->host_lock.
+ * Iterator that returns each device attached to @shost. It does _not_
+ * take a reference on the scsi_device, so the whole loop must be
+ * protected by shost->host_lock.
*
- * Note: The only reason why drivers would want to use this is because
- * they're need to access the device list in irq context. Otherwise you
- * really want to use shost_for_each_device instead.
+ * Note: The only reason to use this is because you need to access the
+ * device list in interrupt context. Otherwise you really want to use
+ * shost_for_each_device instead.
*/
#define __shost_for_each_device(sdev, shost) \
list_for_each_entry((sdev), &((shost)->__devices), siblings)
diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h
index 39c6f8cc20c..7f1f411d07a 100644
--- a/include/scsi/scsi_host.h
+++ b/include/scsi/scsi_host.h
@@ -7,6 +7,7 @@
#include <linux/workqueue.h>
#include <linux/mutex.h>
+struct request_queue;
struct block_device;
struct completion;
struct module;
@@ -124,6 +125,39 @@ struct scsi_host_template {
void (*done)(struct scsi_cmnd *));
/*
+ * The transfer functions are used to queue a scsi command to
+ * the LLD. When the driver is finished processing the command
+ * the done callback is invoked.
+ *
+ * return values: see queuecommand
+ *
+ * If the LLD accepts the cmd, it should set the result to an
+ * appropriate value when completed before calling the done function.
+ *
+ * STATUS: REQUIRED FOR TARGET DRIVERS
+ */
+ /* TODO: rename */
+ int (* transfer_response)(struct scsi_cmnd *,
+ void (*done)(struct scsi_cmnd *));
+ /*
+ * This is called to inform the LLD to transfer cmd->request_bufflen
+ * bytes of the cmd at cmd->offset in the cmd. The cmd->use_sg
+ * speciefies the number of scatterlist entried in the command
+ * and cmd->request_buffer contains the scatterlist.
+ *
+ * If the command cannot be processed in one transfer_data call
+ * becuase a scatterlist within the LLD's limits cannot be
+ * created then transfer_data will be called multiple times.
+ * It is initially called from process context, and later
+ * calls are from the interrup context.
+ */
+ int (* transfer_data)(struct scsi_cmnd *,
+ void (*done)(struct scsi_cmnd *));
+
+ /* Used as callback for the completion of task management request. */
+ int (* tsk_mgmt_response)(u64 mid, int result);
+
+ /*
* This is an error handling strategy routine. You don't need to
* define one of these if you don't want to - there is a default
* routine that is present that should work in most cases. For those
@@ -241,6 +275,24 @@ struct scsi_host_template {
void (* target_destroy)(struct scsi_target *);
/*
+ * If a host has the ability to discover targets on its own instead
+ * of scanning the entire bus, it can fill in this function and
+ * call scsi_scan_host(). This function will be called periodically
+ * until it returns 1 with the scsi_host and the elapsed time of
+ * the scan in jiffies.
+ *
+ * Status: OPTIONAL
+ */
+ int (* scan_finished)(struct Scsi_Host *, unsigned long);
+
+ /*
+ * If the host wants to be called before the scan starts, but
+ * after the midlayer has set up ready for the scan, it can fill
+ * in this function.
+ */
+ void (* scan_start)(struct Scsi_Host *);
+
+ /*
* fill in this function to allow the queue depth of this host
* to be changeable (on a per device basis). returns either
* the current queue depth setting (may be different from what
@@ -552,6 +604,9 @@ struct Scsi_Host {
/* task mgmt function in progress */
unsigned tmf_in_progress:1;
+ /* Asynchronous scan in progress */
+ unsigned async_scan:1;
+
/*
* Optional work queue to be utilized by the transport
*/
@@ -568,6 +623,12 @@ struct Scsi_Host {
*/
unsigned int max_host_blocked;
+ /*
+ * q used for scsi_tgt msgs, async events or any other requests that
+ * need to be processed in userspace
+ */
+ struct request_queue *uspace_req_q;
+
/* legacy crap */
unsigned long base;
unsigned long io_port;
@@ -648,11 +709,6 @@ extern const char *scsi_host_state_name(enum scsi_host_state);
extern u64 scsi_calculate_bounce_limit(struct Scsi_Host *);
-static inline void scsi_assign_lock(struct Scsi_Host *shost, spinlock_t *lock)
-{
- shost->host_lock = lock;
-}
-
static inline struct device *scsi_get_device(struct Scsi_Host *shost)
{
return shost->shost_gendev.parent;
@@ -671,6 +727,9 @@ extern void scsi_unblock_requests(struct Scsi_Host *);
extern void scsi_block_requests(struct Scsi_Host *);
struct class_container;
+
+extern struct request_queue *__scsi_alloc_queue(struct Scsi_Host *shost,
+ void (*) (struct request_queue *));
/*
* These two functions are used to allocate and free a pseudo device
* which will connect to the host adapter itself rather than any
diff --git a/include/scsi/scsi_tgt.h b/include/scsi/scsi_tgt.h
new file mode 100644
index 00000000000..4f4427937af
--- /dev/null
+++ b/include/scsi/scsi_tgt.h
@@ -0,0 +1,19 @@
+/*
+ * SCSI target definitions
+ */
+
+#include <linux/dma-mapping.h>
+
+struct Scsi_Host;
+struct scsi_cmnd;
+struct scsi_lun;
+
+extern struct Scsi_Host *scsi_tgt_cmd_to_host(struct scsi_cmnd *);
+extern int scsi_tgt_alloc_queue(struct Scsi_Host *);
+extern void scsi_tgt_free_queue(struct Scsi_Host *);
+extern int scsi_tgt_queue_command(struct scsi_cmnd *, struct scsi_lun *, u64);
+extern int scsi_tgt_tsk_mgmt_request(struct Scsi_Host *, int, u64, struct scsi_lun *,
+ void *);
+extern struct scsi_cmnd *scsi_host_get_command(struct Scsi_Host *,
+ enum dma_data_direction, gfp_t);
+extern void scsi_host_put_command(struct Scsi_Host *, struct scsi_cmnd *);
diff --git a/include/scsi/scsi_tgt_if.h b/include/scsi/scsi_tgt_if.h
new file mode 100644
index 00000000000..46d5e70d721
--- /dev/null
+++ b/include/scsi/scsi_tgt_if.h
@@ -0,0 +1,90 @@
+/*
+ * SCSI target kernel/user interface
+ *
+ * Copyright (C) 2005 FUJITA Tomonori <tomof@acm.org>
+ * Copyright (C) 2005 Mike Christie <michaelc@cs.wisc.edu>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ */
+#ifndef __SCSI_TARGET_IF_H
+#define __SCSI_TARGET_IF_H
+
+/* user -> kernel */
+#define TGT_UEVENT_CMD_RSP 0x0001
+#define TGT_UEVENT_TSK_MGMT_RSP 0x0002
+
+/* kernel -> user */
+#define TGT_KEVENT_CMD_REQ 0x1001
+#define TGT_KEVENT_CMD_DONE 0x1002
+#define TGT_KEVENT_TSK_MGMT_REQ 0x1003
+
+struct tgt_event_hdr {
+ uint16_t version;
+ uint16_t status;
+ uint16_t type;
+ uint16_t len;
+} __attribute__ ((aligned (sizeof(uint64_t))));
+
+struct tgt_event {
+ struct tgt_event_hdr hdr;
+
+ union {
+ /* user-> kernel */
+ struct {
+ int host_no;
+ uint32_t len;
+ int result;
+ aligned_u64 uaddr;
+ uint8_t rw;
+ aligned_u64 tag;
+ } cmd_rsp;
+ struct {
+ int host_no;
+ aligned_u64 mid;
+ int result;
+ } tsk_mgmt_rsp;
+
+
+ /* kernel -> user */
+ struct {
+ int host_no;
+ uint32_t data_len;
+ uint8_t scb[16];
+ uint8_t lun[8];
+ int attribute;
+ aligned_u64 tag;
+ } cmd_req;
+ struct {
+ int host_no;
+ aligned_u64 tag;
+ int result;
+ } cmd_done;
+ struct {
+ int host_no;
+ int function;
+ aligned_u64 tag;
+ uint8_t lun[8];
+ aligned_u64 mid;
+ } tsk_mgmt_req;
+ } p;
+} __attribute__ ((aligned (sizeof(uint64_t))));
+
+#define TGT_RING_SIZE (1UL << 16)
+#define TGT_RING_PAGES (TGT_RING_SIZE >> PAGE_SHIFT)
+#define TGT_EVENT_PER_PAGE (PAGE_SIZE / sizeof(struct tgt_event))
+#define TGT_MAX_EVENTS (TGT_EVENT_PER_PAGE * TGT_RING_PAGES)
+
+#endif
diff --git a/include/scsi/scsi_transport_sas.h b/include/scsi/scsi_transport_sas.h
index 53024377f3b..59633a82de4 100644
--- a/include/scsi/scsi_transport_sas.h
+++ b/include/scsi/scsi_transport_sas.h
@@ -73,6 +73,8 @@ struct sas_phy {
/* for the list of phys belonging to a port */
struct list_head port_siblings;
+
+ struct work_struct reset_work;
};
#define dev_to_phy(d) \