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authorLinus Torvalds <torvalds@linux-foundation.org>2008-10-10 10:53:26 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-10-10 10:53:26 -0700
commitef5bef357cdf49f3a386c7102dbf3be5f7e5c913 (patch)
tree48d9dc86768e3e146267ea21d0c898f9008275a1 /drivers/scsi
parente26feff647ef34423b048b940540a0059001ddb0 (diff)
parent41bfcf90101601f9507240ff0435c1b73d28a132 (diff)
downloadvexpress-lsk-ef5bef357cdf49f3a386c7102dbf3be5f7e5c913.tar.gz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (37 commits) [SCSI] zfcp: fix double dbf id usage [SCSI] zfcp: wait on SCSI work to be finished before proceeding with init dev [SCSI] zfcp: fix erp list usage without using locks [SCSI] zfcp: prevent fc_remote_port_delete calls for unregistered rport [SCSI] zfcp: fix deadlock caused by shared work queue tasks [SCSI] zfcp: put threshold data in hba trace [SCSI] zfcp: Simplify zfcp data structures [SCSI] zfcp: Simplify get_adapter_by_busid [SCSI] zfcp: remove all typedefs and replace them with standards [SCSI] zfcp: attach and release SAN nameserver port on demand [SCSI] zfcp: remove unused references, declarations and flags [SCSI] zfcp: Update message with input from review [SCSI] zfcp: add queue_full sysfs attribute [SCSI] scsi_dh: suppress comparison warning [SCSI] scsi_dh: add Dell product information into rdac device handler [SCSI] qla2xxx: remove the unused SCSI_QLOGIC_FC_FIRMWARE option [SCSI] qla2xxx: fix printk format warnings [SCSI] qla2xxx: Update version number to 8.02.01-k8. [SCSI] qla2xxx: Ignore payload reserved-bits during RSCN processing. [SCSI] qla2xxx: Additional residual-count corrections during UNDERRUN handling. ...
Diffstat (limited to 'drivers/scsi')
-rw-r--r--drivers/scsi/Kconfig8
-rw-r--r--drivers/scsi/device_handler/scsi_dh_emc.c5
-rw-r--r--drivers/scsi/device_handler/scsi_dh_hp_sw.c2
-rw-r--r--drivers/scsi/device_handler/scsi_dh_rdac.c4
-rw-r--r--drivers/scsi/hosts.c2
-rw-r--r--drivers/scsi/libiscsi.c2
-rw-r--r--drivers/scsi/qla2xxx/qla_attr.c9
-rw-r--r--drivers/scsi/qla2xxx/qla_def.h13
-rw-r--r--drivers/scsi/qla2xxx/qla_fw.h71
-rw-r--r--drivers/scsi/qla2xxx/qla_gbl.h4
-rw-r--r--drivers/scsi/qla2xxx/qla_init.c14
-rw-r--r--drivers/scsi/qla2xxx/qla_inline.h2
-rw-r--r--drivers/scsi/qla2xxx/qla_iocb.c30
-rw-r--r--drivers/scsi/qla2xxx/qla_isr.c17
-rw-r--r--drivers/scsi/qla2xxx/qla_mbx.c6
-rw-r--r--drivers/scsi/qla2xxx/qla_os.c9
-rw-r--r--drivers/scsi/qla2xxx/qla_sup.c338
-rw-r--r--drivers/scsi/qla2xxx/qla_version.h2
-rw-r--r--drivers/scsi/scsi.c13
-rw-r--r--drivers/scsi/scsi_lib.c39
-rw-r--r--drivers/scsi/scsi_netlink.c523
-rw-r--r--drivers/scsi/scsi_proc.c8
-rw-r--r--drivers/scsi/scsi_scan.c20
-rw-r--r--drivers/scsi/scsi_sysfs.c1
-rw-r--r--drivers/scsi/scsi_tgt_lib.c6
-rw-r--r--drivers/scsi/scsi_transport_fc.c54
-rw-r--r--drivers/scsi/scsi_transport_iscsi.c4
-rw-r--r--drivers/scsi/sd.c27
-rw-r--r--drivers/scsi/tmscsim.c4
29 files changed, 1069 insertions, 168 deletions
diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig
index 4e0322b1c1e..d3b211af4e1 100644
--- a/drivers/scsi/Kconfig
+++ b/drivers/scsi/Kconfig
@@ -1325,14 +1325,6 @@ config SCSI_QLOGIC_FAS
To compile this driver as a module, choose M here: the
module will be called qlogicfas.
-config SCSI_QLOGIC_FC_FIRMWARE
- bool "Include loadable firmware in driver"
- depends on SCSI_QLOGIC_FC
- help
- Say Y to include ISP2X00 Fabric Initiator/Target Firmware, with
- expanded LUN addressing and FcTape (FCP-2) support, in the
- qlogicfc driver. This is required on some platforms.
-
config SCSI_QLOGIC_1280
tristate "Qlogic QLA 1240/1x80/1x160 SCSI support"
depends on PCI && SCSI
diff --git a/drivers/scsi/device_handler/scsi_dh_emc.c b/drivers/scsi/device_handler/scsi_dh_emc.c
index ef693e8412e..8f45570a8a0 100644
--- a/drivers/scsi/device_handler/scsi_dh_emc.c
+++ b/drivers/scsi/device_handler/scsi_dh_emc.c
@@ -84,7 +84,7 @@ struct clariion_dh_data {
/*
* I/O buffer for both MODE_SELECT and INQUIRY commands.
*/
- char buffer[CLARIION_BUFFER_SIZE];
+ unsigned char buffer[CLARIION_BUFFER_SIZE];
/*
* SCSI sense buffer for commands -- assumes serial issuance
* and completion sequence of all commands for same multipath.
@@ -176,7 +176,7 @@ static int parse_sp_info_reply(struct scsi_device *sdev,
err = SCSI_DH_DEV_TEMP_BUSY;
goto out;
}
- if (csdev->buffer[4] < 0 || csdev->buffer[4] > 2) {
+ if (csdev->buffer[4] > 2) {
/* Invalid buffer format */
sdev_printk(KERN_NOTICE, sdev,
"%s: invalid VPD page 0xC0 format\n",
@@ -278,7 +278,6 @@ static struct request *get_req(struct scsi_device *sdev, int cmd,
return NULL;
}
- memset(rq->cmd, 0, BLK_MAX_CDB);
rq->cmd_len = COMMAND_SIZE(cmd);
rq->cmd[0] = cmd;
diff --git a/drivers/scsi/device_handler/scsi_dh_hp_sw.c b/drivers/scsi/device_handler/scsi_dh_hp_sw.c
index a6a4ef3ad51..5e93c88ad66 100644
--- a/drivers/scsi/device_handler/scsi_dh_hp_sw.c
+++ b/drivers/scsi/device_handler/scsi_dh_hp_sw.c
@@ -114,7 +114,6 @@ static int hp_sw_tur(struct scsi_device *sdev, struct hp_sw_dh_data *h)
req->cmd_type = REQ_TYPE_BLOCK_PC;
req->cmd_flags |= REQ_FAILFAST;
req->cmd_len = COMMAND_SIZE(TEST_UNIT_READY);
- memset(req->cmd, 0, MAX_COMMAND_SIZE);
req->cmd[0] = TEST_UNIT_READY;
req->timeout = HP_SW_TIMEOUT;
req->sense = h->sense;
@@ -207,7 +206,6 @@ static int hp_sw_start_stop(struct scsi_device *sdev, struct hp_sw_dh_data *h)
req->cmd_type = REQ_TYPE_BLOCK_PC;
req->cmd_flags |= REQ_FAILFAST;
req->cmd_len = COMMAND_SIZE(START_STOP);
- memset(req->cmd, 0, MAX_COMMAND_SIZE);
req->cmd[0] = START_STOP;
req->cmd[4] = 1; /* Start spin cycle */
req->timeout = HP_SW_TIMEOUT;
diff --git a/drivers/scsi/device_handler/scsi_dh_rdac.c b/drivers/scsi/device_handler/scsi_dh_rdac.c
index 6e2f130d56d..50bf95f3b5c 100644
--- a/drivers/scsi/device_handler/scsi_dh_rdac.c
+++ b/drivers/scsi/device_handler/scsi_dh_rdac.c
@@ -225,8 +225,6 @@ static struct request *get_rdac_req(struct scsi_device *sdev,
return NULL;
}
- memset(rq->cmd, 0, BLK_MAX_CDB);
-
rq->cmd_type = REQ_TYPE_BLOCK_PC;
rq->cmd_flags |= REQ_FAILFAST | REQ_NOMERGE;
rq->retries = RDAC_RETRIES;
@@ -590,6 +588,8 @@ static const struct scsi_dh_devlist rdac_dev_list[] = {
{"STK", "OPENstorage D280"},
{"SUN", "CSM200_R"},
{"SUN", "LCSM100_F"},
+ {"DELL", "MD3000"},
+ {"DELL", "MD3000i"},
{NULL, NULL},
};
diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c
index fed0b02ebc1..3fdbb13e80a 100644
--- a/drivers/scsi/hosts.c
+++ b/drivers/scsi/hosts.c
@@ -464,7 +464,7 @@ static int __scsi_host_match(struct device *dev, void *data)
struct Scsi_Host *scsi_host_lookup(unsigned short hostnum)
{
struct device *cdev;
- struct Scsi_Host *shost = ERR_PTR(-ENXIO);
+ struct Scsi_Host *shost = NULL;
cdev = class_find_device(&shost_class, NULL, &hostnum,
__scsi_host_match);
diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c
index 1eca82420aa..da7b67d30d9 100644
--- a/drivers/scsi/libiscsi.c
+++ b/drivers/scsi/libiscsi.c
@@ -1456,7 +1456,7 @@ static void fail_all_commands(struct iscsi_conn *conn, unsigned lun,
if (lun == task->sc->device->lun || lun == -1) {
debug_scsi("failing in progress sc %p itt 0x%x\n",
task->sc, task->itt);
- fail_command(conn, task, DID_BUS_BUSY << 16);
+ fail_command(conn, task, error << 16);
}
}
}
diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index 45e7dcb4b34..0ddfe7106b3 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -292,10 +292,11 @@ qla2x00_sysfs_write_optrom_ctl(struct kobject *kobj,
valid = 0;
if (ha->optrom_size == OPTROM_SIZE_2300 && start == 0)
valid = 1;
- else if (start == (FA_BOOT_CODE_ADDR*4) ||
- start == (FA_RISC_CODE_ADDR*4))
+ else if (start == (ha->flt_region_boot * 4) ||
+ start == (ha->flt_region_fw * 4))
valid = 1;
- else if (IS_QLA25XX(ha) && start == (FA_VPD_NVRAM_ADDR*4))
+ else if (IS_QLA25XX(ha) &&
+ start == (ha->flt_region_vpd_nvram * 4))
valid = 1;
if (!valid) {
qla_printk(KERN_WARNING, ha,
@@ -1065,6 +1066,8 @@ qla2x00_get_fc_host_stats(struct Scsi_Host *shost)
pfc_host_stat->dumped_frames = stats->dumped_frames;
pfc_host_stat->nos_count = stats->nos_rcvd;
}
+ pfc_host_stat->fcp_input_megabytes = ha->qla_stats.input_bytes >> 20;
+ pfc_host_stat->fcp_output_megabytes = ha->qla_stats.output_bytes >> 20;
done_free:
dma_pool_free(ha->s_dma_pool, stats, stats_dma);
diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
index 94a720eabfd..83c81921677 100644
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -25,7 +25,6 @@
#include <linux/firmware.h>
#include <linux/aer.h>
#include <linux/mutex.h>
-#include <linux/semaphore.h>
#include <scsi/scsi.h>
#include <scsi/scsi_host.h>
@@ -2157,6 +2156,8 @@ struct qla_chip_state_84xx {
struct qla_statistics {
uint32_t total_isp_aborts;
+ uint64_t input_bytes;
+ uint64_t output_bytes;
};
/*
@@ -2238,6 +2239,7 @@ typedef struct scsi_qla_host {
#define FCPORT_UPDATE_NEEDED 27
#define VP_DPC_NEEDED 28 /* wake up for VP dpc handling */
#define UNLOADING 29
+#define NPIV_CONFIG_NEEDED 30
uint32_t device_flags;
#define DFLG_LOCAL_DEVICES BIT_0
@@ -2507,7 +2509,6 @@ typedef struct scsi_qla_host {
uint64_t fce_wr, fce_rd;
struct mutex fce_mutex;
- uint32_t hw_event_start;
uint32_t hw_event_ptr;
uint32_t hw_event_pause_errors;
@@ -2553,6 +2554,14 @@ typedef struct scsi_qla_host {
uint32_t fdt_unprotect_sec_cmd;
uint32_t fdt_protect_sec_cmd;
+ uint32_t flt_region_flt;
+ uint32_t flt_region_fdt;
+ uint32_t flt_region_boot;
+ uint32_t flt_region_fw;
+ uint32_t flt_region_vpd_nvram;
+ uint32_t flt_region_hw_event;
+ uint32_t flt_region_npiv_conf;
+
/* Needed for BEACON */
uint16_t beacon_blink_led;
uint8_t beacon_color_state;
diff --git a/drivers/scsi/qla2xxx/qla_fw.h b/drivers/scsi/qla2xxx/qla_fw.h
index cf194517400..d1d14202575 100644
--- a/drivers/scsi/qla2xxx/qla_fw.h
+++ b/drivers/scsi/qla2xxx/qla_fw.h
@@ -789,14 +789,23 @@ struct device_reg_24xx {
#define FA_RISC_CODE_ADDR 0x20000
#define FA_RISC_CODE_SEGMENTS 2
+#define FA_FLASH_DESCR_ADDR_24 0x11000
+#define FA_FLASH_LAYOUT_ADDR_24 0x11400
+#define FA_NPIV_CONF0_ADDR_24 0x16000
+#define FA_NPIV_CONF1_ADDR_24 0x17000
+
#define FA_FW_AREA_ADDR 0x40000
#define FA_VPD_NVRAM_ADDR 0x48000
#define FA_FEATURE_ADDR 0x4C000
#define FA_FLASH_DESCR_ADDR 0x50000
+#define FA_FLASH_LAYOUT_ADDR 0x50400
#define FA_HW_EVENT0_ADDR 0x54000
-#define FA_HW_EVENT1_ADDR 0x54200
+#define FA_HW_EVENT1_ADDR 0x54400
#define FA_HW_EVENT_SIZE 0x200
#define FA_HW_EVENT_ENTRY_SIZE 4
+#define FA_NPIV_CONF0_ADDR 0x5C000
+#define FA_NPIV_CONF1_ADDR 0x5D000
+
/*
* Flash Error Log Event Codes.
*/
@@ -806,10 +815,6 @@ struct device_reg_24xx {
#define HW_EVENT_NVRAM_CHKSUM_ERR 0xF023
#define HW_EVENT_FLASH_FW_ERR 0xF024
-#define FA_BOOT_LOG_ADDR 0x58000
-#define FA_FW_DUMP0_ADDR 0x60000
-#define FA_FW_DUMP1_ADDR 0x70000
-
uint32_t flash_data; /* Flash/NVRAM BIOS data. */
uint32_t ctrl_status; /* Control/Status. */
@@ -1203,6 +1208,62 @@ struct qla_fdt_layout {
uint8_t unused2[65];
};
+/* Flash Layout Table ********************************************************/
+
+struct qla_flt_location {
+ uint8_t sig[4];
+ uint32_t start_lo;
+ uint32_t start_hi;
+ uint16_t unused;
+ uint16_t checksum;
+};
+
+struct qla_flt_header {
+ uint16_t version;
+ uint16_t length;
+ uint16_t checksum;
+ uint16_t unused;
+};
+
+#define FLT_REG_FW 0x01
+#define FLT_REG_BOOT_CODE 0x07
+#define FLT_REG_VPD_0 0x14
+#define FLT_REG_NVRAM_0 0x15
+#define FLT_REG_VPD_1 0x16
+#define FLT_REG_NVRAM_1 0x17
+#define FLT_REG_FDT 0x1a
+#define FLT_REG_FLT 0x1c
+#define FLT_REG_HW_EVENT_0 0x1d
+#define FLT_REG_HW_EVENT_1 0x1f
+#define FLT_REG_NPIV_CONF_0 0x29
+#define FLT_REG_NPIV_CONF_1 0x2a
+
+struct qla_flt_region {
+ uint32_t code;
+ uint32_t size;
+ uint32_t start;
+ uint32_t end;
+};
+
+/* Flash NPIV Configuration Table ********************************************/
+
+struct qla_npiv_header {
+ uint8_t sig[2];
+ uint16_t version;
+ uint16_t entries;
+ uint16_t unused[4];
+ uint16_t checksum;
+};
+
+struct qla_npiv_entry {
+ uint16_t flags;
+ uint16_t vf_id;
+ uint16_t qos;
+ uint16_t unused1;
+ uint8_t port_name[WWN_SIZE];
+ uint8_t node_name[WWN_SIZE];
+};
+
/* 84XX Support **************************************************************/
#define MBA_ISP84XX_ALERT 0x800f /* Alert Notification. */
diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h
index 0b156735e9a..753dbe6cce6 100644
--- a/drivers/scsi/qla2xxx/qla_gbl.h
+++ b/drivers/scsi/qla2xxx/qla_gbl.h
@@ -313,9 +313,11 @@ extern int qla24xx_get_flash_version(scsi_qla_host_t *, void *);
extern int qla2xxx_hw_event_log(scsi_qla_host_t *, uint16_t , uint16_t,
uint16_t, uint16_t);
-extern void qla2xxx_get_flash_info(scsi_qla_host_t *);
+extern int qla2xxx_get_flash_info(scsi_qla_host_t *);
extern int qla2xxx_get_vpd_field(scsi_qla_host_t *, char *, char *, size_t);
+extern void qla2xxx_flash_npiv_conf(scsi_qla_host_t *);
+
/*
* Global Function Prototypes in qla_dbg.c source file.
*/
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index ee89ddd64aa..a470f2d3270 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -83,6 +83,13 @@ qla2x00_initialize_adapter(scsi_qla_host_t *ha)
ha->isp_ops->reset_chip(ha);
+ rval = qla2xxx_get_flash_info(ha);
+ if (rval) {
+ DEBUG2(printk("scsi(%ld): Unable to validate FLASH data.\n",
+ ha->host_no));
+ return (rval);
+ }
+
ha->isp_ops->get_flash_version(ha, ha->request_ring);
qla_printk(KERN_INFO, ha, "Configure NVRAM parameters...\n");
@@ -109,7 +116,6 @@ qla2x00_initialize_adapter(scsi_qla_host_t *ha)
rval = qla2x00_setup_chip(ha);
if (rval)
return (rval);
- qla2xxx_get_flash_info(ha);
}
if (IS_QLA84XX(ha)) {
ha->cs84xx = qla84xx_get_chip(ha);
@@ -2016,7 +2022,7 @@ qla2x00_configure_loop(scsi_qla_host_t *ha)
DEBUG3(printk("%s: exiting normally\n", __func__));
}
- /* Restore state if a resync event occured during processing */
+ /* Restore state if a resync event occurred during processing */
if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
@@ -2561,7 +2567,7 @@ qla2x00_find_all_fabric_devs(scsi_qla_host_t *ha, struct list_head *new_fcports)
rval = QLA_SUCCESS;
/* Try GID_PT to get device list, else GAN. */
- swl = kcalloc(MAX_FIBRE_DEVICES, sizeof(sw_info_t), GFP_ATOMIC);
+ swl = kcalloc(MAX_FIBRE_DEVICES, sizeof(sw_info_t), GFP_KERNEL);
if (!swl) {
/*EMPTY*/
DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback "
@@ -3751,7 +3757,7 @@ qla24xx_load_risc_flash(scsi_qla_host_t *ha, uint32_t *srisc_addr)
rval = QLA_SUCCESS;
segments = FA_RISC_CODE_SEGMENTS;
- faddr = FA_RISC_CODE_ADDR;
+ faddr = ha->flt_region_fw;
dcode = (uint32_t *)ha->request_ring;
*srisc_addr = 0;
diff --git a/drivers/scsi/qla2xxx/qla_inline.h b/drivers/scsi/qla2xxx/qla_inline.h
index 92fafbdbbaa..e90afad120e 100644
--- a/drivers/scsi/qla2xxx/qla_inline.h
+++ b/drivers/scsi/qla2xxx/qla_inline.h
@@ -52,7 +52,7 @@ to_qla_parent(scsi_qla_host_t *ha)
* @ha: HA context
* @ha_locked: is function called with the hardware lock
*
- * Returns non-zero if a failure occured, else zero.
+ * Returns non-zero if a failure occurred, else zero.
*/
static inline int
qla2x00_issue_marker(scsi_qla_host_t *ha, int ha_locked)
diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c
index d57669aa461..85bc0a48598 100644
--- a/drivers/scsi/qla2xxx/qla_iocb.c
+++ b/drivers/scsi/qla2xxx/qla_iocb.c
@@ -21,17 +21,22 @@ static void qla2x00_isp_cmd(scsi_qla_host_t *ha);
* Returns the proper CF_* direction based on CDB.
*/
static inline uint16_t
-qla2x00_get_cmd_direction(struct scsi_cmnd *cmd)
+qla2x00_get_cmd_direction(srb_t *sp)
{
uint16_t cflags;
cflags = 0;
/* Set transfer direction */
- if (cmd->sc_data_direction == DMA_TO_DEVICE)
+ if (sp->cmd->sc_data_direction == DMA_TO_DEVICE) {
cflags = CF_WRITE;
- else if (cmd->sc_data_direction == DMA_FROM_DEVICE)
+ sp->fcport->ha->qla_stats.output_bytes +=
+ scsi_bufflen(sp->cmd);
+ } else if (sp->cmd->sc_data_direction == DMA_FROM_DEVICE) {
cflags = CF_READ;
+ sp->fcport->ha->qla_stats.input_bytes +=
+ scsi_bufflen(sp->cmd);
+ }
return (cflags);
}
@@ -169,7 +174,7 @@ void qla2x00_build_scsi_iocbs_32(srb_t *sp, cmd_entry_t *cmd_pkt,
ha = sp->ha;
- cmd_pkt->control_flags |= cpu_to_le16(qla2x00_get_cmd_direction(cmd));
+ cmd_pkt->control_flags |= cpu_to_le16(qla2x00_get_cmd_direction(sp));
/* Three DSDs are available in the Command Type 2 IOCB */
avail_dsds = 3;
@@ -228,7 +233,7 @@ void qla2x00_build_scsi_iocbs_64(srb_t *sp, cmd_entry_t *cmd_pkt,
ha = sp->ha;
- cmd_pkt->control_flags |= cpu_to_le16(qla2x00_get_cmd_direction(cmd));
+ cmd_pkt->control_flags |= cpu_to_le16(qla2x00_get_cmd_direction(sp));
/* Two DSDs are available in the Command Type 3 IOCB */
avail_dsds = 2;
@@ -262,7 +267,7 @@ void qla2x00_build_scsi_iocbs_64(srb_t *sp, cmd_entry_t *cmd_pkt,
* qla2x00_start_scsi() - Send a SCSI command to the ISP
* @sp: command to send to the ISP
*
- * Returns non-zero if a failure occured, else zero.
+ * Returns non-zero if a failure occurred, else zero.
*/
int
qla2x00_start_scsi(srb_t *sp)
@@ -407,7 +412,7 @@ queuing_error:
*
* Can be called from both normal and interrupt context.
*
- * Returns non-zero if a failure occured, else zero.
+ * Returns non-zero if a failure occurred, else zero.
*/
int
__qla2x00_marker(scsi_qla_host_t *ha, uint16_t loop_id, uint16_t lun,
@@ -625,12 +630,17 @@ qla24xx_build_scsi_iocbs(srb_t *sp, struct cmd_type_7 *cmd_pkt,
ha = sp->ha;
/* Set transfer direction */
- if (cmd->sc_data_direction == DMA_TO_DEVICE)
+ if (cmd->sc_data_direction == DMA_TO_DEVICE) {
cmd_pkt->task_mgmt_flags =
__constant_cpu_to_le16(TMF_WRITE_DATA);
- else if (cmd->sc_data_direction == DMA_FROM_DEVICE)
+ sp->fcport->ha->qla_stats.output_bytes +=
+ scsi_bufflen(sp->cmd);
+ } else if (cmd->sc_data_direction == DMA_FROM_DEVICE) {
cmd_pkt->task_mgmt_flags =
__constant_cpu_to_le16(TMF_READ_DATA);
+ sp->fcport->ha->qla_stats.input_bytes +=
+ scsi_bufflen(sp->cmd);
+ }
/* One DSD is available in the Command Type 3 IOCB */
avail_dsds = 1;
@@ -666,7 +676,7 @@ qla24xx_build_scsi_iocbs(srb_t *sp, struct cmd_type_7 *cmd_pkt,
* qla24xx_start_scsi() - Send a SCSI command to the ISP
* @sp: command to send to the ISP
*
- * Returns non-zero if a failure occured, else zero.
+ * Returns non-zero if a failure occurred, else zero.
*/
int
qla24xx_start_scsi(srb_t *sp)
diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
index bf41887cdd6..fc4bfa7f839 100644
--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -391,9 +391,9 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb)
break;
case MBA_LIP_OCCURRED: /* Loop Initialization Procedure */
- DEBUG2(printk("scsi(%ld): LIP occured (%x).\n", ha->host_no,
+ DEBUG2(printk("scsi(%ld): LIP occurred (%x).\n", ha->host_no,
mb[1]));
- qla_printk(KERN_INFO, ha, "LIP occured (%x).\n", mb[1]);
+ qla_printk(KERN_INFO, ha, "LIP occurred (%x).\n", mb[1]);
if (atomic_read(&ha->loop_state) != LOOP_DOWN) {
atomic_set(&ha->loop_state, LOOP_DOWN);
@@ -460,7 +460,7 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb)
DEBUG2(printk("scsi(%ld): Asynchronous LIP RESET (%x).\n",
ha->host_no, mb[1]));
qla_printk(KERN_INFO, ha,
- "LIP reset occured (%x).\n", mb[1]);
+ "LIP reset occurred (%x).\n", mb[1]);
if (atomic_read(&ha->loop_state) != LOOP_DOWN) {
atomic_set(&ha->loop_state, LOOP_DOWN);
@@ -543,7 +543,7 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb)
case MBA_PORT_UPDATE: /* Port database update */
/*
- * If PORT UPDATE is global (recieved LIP_OCCURED/LIP_RESET
+ * If PORT UPDATE is global (received LIP_OCCURRED/LIP_RESET
* event etc. earlier indicating loop is down) then process
* it. Otherwise ignore it and Wait for RSCN to come in.
*/
@@ -589,7 +589,7 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb)
"scsi(%ld): RSCN database changed -- %04x %04x %04x.\n",
ha->host_no, mb[1], mb[2], mb[3]));
- rscn_entry = (mb[1] << 16) | mb[2];
+ rscn_entry = ((mb[1] & 0xff) << 16) | mb[2];
host_pid = (ha->d_id.b.domain << 16) | (ha->d_id.b.area << 8) |
ha->d_id.b.al_pa;
if (rscn_entry == host_pid) {
@@ -600,6 +600,8 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb)
break;
}
+ /* Ignore reserved bits from RSCN-payload. */
+ rscn_entry = ((mb[1] & 0x3ff) << 16) | mb[2];
rscn_queue_index = ha->rscn_in_ptr + 1;
if (rscn_queue_index == MAX_RSCN_COUNT)
rscn_queue_index = 0;
@@ -1060,8 +1062,9 @@ qla2x00_status_entry(scsi_qla_host_t *ha, void *pkt)
resid = resid_len;
/* Use F/W calculated residual length. */
if (IS_FWI2_CAPABLE(ha)) {
- if (scsi_status & SS_RESIDUAL_UNDER &&
- resid != fw_resid_len) {
+ if (!(scsi_status & SS_RESIDUAL_UNDER)) {
+ lscsi_status = 0;
+ } else if (resid != fw_resid_len) {
scsi_status &= ~SS_RESIDUAL_UNDER;
lscsi_status = 0;
}
diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c
index 813bc7784c0..36bc6851e23 100644
--- a/drivers/scsi/qla2xxx/qla_mbx.c
+++ b/drivers/scsi/qla2xxx/qla_mbx.c
@@ -233,7 +233,7 @@ qla2x00_mailbox_command(scsi_qla_host_t *pvha, mbx_cmd_t *mcp)
DEBUG2_3_11(printk("%s(%ld): timeout schedule "
"isp_abort_needed.\n", __func__, ha->host_no));
qla_printk(KERN_WARNING, ha,
- "Mailbox command timeout occured. Scheduling ISP "
+ "Mailbox command timeout occurred. Scheduling ISP "
"abort.\n");
set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
qla2xxx_wake_dpc(ha);
@@ -244,7 +244,7 @@ qla2x00_mailbox_command(scsi_qla_host_t *pvha, mbx_cmd_t *mcp)
DEBUG2_3_11(printk("%s(%ld): timeout calling "
"abort_isp\n", __func__, ha->host_no));
qla_printk(KERN_WARNING, ha,
- "Mailbox command timeout occured. Issuing ISP "
+ "Mailbox command timeout occurred. Issuing ISP "
"abort.\n");
set_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
@@ -1995,7 +1995,7 @@ qla2x00_get_fcal_position_map(scsi_qla_host_t *ha, char *pos_map)
char *pmap;
dma_addr_t pmap_dma;
- pmap = dma_pool_alloc(ha->s_dma_pool, GFP_ATOMIC, &pmap_dma);
+ pmap = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &pmap_dma);
if (pmap == NULL) {
DEBUG2_3_11(printk("%s(%ld): **** Mem Alloc Failed ****",
__func__, ha->host_no));
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 6d0f0e5f282..3433441b956 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -1517,6 +1517,7 @@ qla2xxx_scan_start(struct Scsi_Host *shost)
set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
set_bit(RSCN_UPDATE, &ha->dpc_flags);
+ set_bit(NPIV_CONFIG_NEEDED, &ha->dpc_flags);
}
static int
@@ -1663,8 +1664,6 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
ha->gid_list_info_size = 8;
ha->optrom_size = OPTROM_SIZE_25XX;
ha->isp_ops = &qla25xx_isp_ops;
- ha->hw_event_start = PCI_FUNC(pdev->devfn) ?
- FA_HW_EVENT1_ADDR: FA_HW_EVENT0_ADDR;
}
host->can_queue = ha->request_q_length + 128;
@@ -2433,6 +2432,12 @@ qla2x00_do_dpc(void *data)
ha->host_no));
}
+ if (test_bit(NPIV_CONFIG_NEEDED, &ha->dpc_flags) &&
+ atomic_read(&ha->loop_state) == LOOP_READY) {
+ clear_bit(NPIV_CONFIG_NEEDED, &ha->dpc_flags);
+ qla2xxx_flash_npiv_conf(ha);
+ }
+
if (!ha->interrupts_on)
ha->isp_ops->enable_intrs(ha);
diff --git a/drivers/scsi/qla2xxx/qla_sup.c b/drivers/scsi/qla2xxx/qla_sup.c
index 1bca7447493..90a13211717 100644
--- a/drivers/scsi/qla2xxx/qla_sup.c
+++ b/drivers/scsi/qla2xxx/qla_sup.c
@@ -543,23 +543,198 @@ qla24xx_get_flash_manufacturer(scsi_qla_host_t *ha, uint8_t *man_id,
}
}
-void
-qla2xxx_get_flash_info(scsi_qla_host_t *ha)
+static int
+qla2xxx_find_flt_start(scsi_qla_host_t *ha, uint32_t *start)
+{
+ const char *loc, *locations[] = { "DEF", "PCI" };
+ uint32_t pcihdr, pcids;
+ uint32_t *dcode;
+ uint8_t *buf, *bcode, last_image;
+ uint16_t cnt, chksum, *wptr;
+ struct qla_flt_location *fltl;
+
+ /*
+ * FLT-location structure resides after the last PCI region.
+ */
+
+ /* Begin with sane defaults. */
+ loc = locations[0];
+ *start = IS_QLA24XX_TYPE(ha) ? FA_FLASH_LAYOUT_ADDR_24:
+ FA_FLASH_LAYOUT_ADDR;
+
+ /* Begin with first PCI expansion ROM header. */
+ buf = (uint8_t *)ha->request_ring;
+ dcode = (uint32_t *)ha->request_ring;
+ pcihdr = 0;
+ last_image = 1;
+ do {
+ /* Verify PCI expansion ROM header. */
+ qla24xx_read_flash_data(ha, dcode, pcihdr >> 2, 0x20);
+ bcode = buf + (pcihdr % 4);
+ if (bcode[0x0] != 0x55 || bcode[0x1] != 0xaa)
+ goto end;
+
+ /* Locate PCI data structure. */
+ pcids = pcihdr + ((bcode[0x19] << 8) | bcode[0x18]);
+ qla24xx_read_flash_data(ha, dcode, pcids >> 2, 0x20);
+ bcode = buf + (pcihdr % 4);
+
+ /* Validate signature of PCI data structure. */
+ if (bcode[0x0] != 'P' || bcode[0x1] != 'C' ||
+ bcode[0x2] != 'I' || bcode[0x3] != 'R')
+ goto end;
+
+ last_image = bcode[0x15] & BIT_7;
+
+ /* Locate next PCI expansion ROM. */
+ pcihdr += ((bcode[0x11] << 8) | bcode[0x10]) * 512;
+ } while (!last_image);
+
+ /* Now verify FLT-location structure. */
+ fltl = (struct qla_flt_location *)ha->request_ring;
+ qla24xx_read_flash_data(ha, dcode, pcihdr >> 2,
+ sizeof(struct qla_flt_location) >> 2);
+ if (fltl->sig[0] != 'Q' || fltl->sig[1] != 'F' ||
+ fltl->sig[2] != 'L' || fltl->sig[3] != 'T')
+ goto end;
+
+ wptr = (uint16_t *)ha->request_ring;
+ cnt = sizeof(struct qla_flt_location) >> 1;
+ for (chksum = 0; cnt; cnt--)
+ chksum += le16_to_cpu(*wptr++);
+ if (chksum) {
+ qla_printk(KERN_ERR, ha,
+ "Inconsistent FLTL detected: checksum=0x%x.\n", chksum);
+ qla2x00_dump_buffer(buf, sizeof(struct qla_flt_location));
+ return QLA_FUNCTION_FAILED;
+ }
+
+ /* Good data. Use specified location. */
+ loc = locations[1];
+ *start = le16_to_cpu(fltl->start_hi) << 16 |
+ le16_to_cpu(fltl->start_lo);
+end:
+ DEBUG2(qla_printk(KERN_DEBUG, ha, "FLTL[%s] = 0x%x.\n", loc, *start));
+ return QLA_SUCCESS;
+}
+
+static void
+qla2xxx_get_flt_info(scsi_qla_host_t *ha, uint32_t flt_addr)
+{
+ const char *loc, *locations[] = { "DEF", "FLT" };
+ uint16_t *wptr;
+ uint16_t cnt, chksum;
+ uint32_t start;
+ struct qla_flt_header *flt;
+ struct qla_flt_region *region;
+
+ ha->flt_region_flt = flt_addr;
+ wptr = (uint16_t *)ha->request_ring;
+ flt = (struct qla_flt_header *)ha->request_ring;
+ region = (struct qla_flt_region *)&flt[1];
+ ha->isp_ops->read_optrom(ha, (uint8_t *)ha->request_ring,
+ flt_addr << 2, OPTROM_BURST_SIZE);
+ if (*wptr == __constant_cpu_to_le16(0xffff))
+ goto no_flash_data;
+ if (flt->version != __constant_cpu_to_le16(1)) {
+ DEBUG2(qla_printk(KERN_INFO, ha, "Unsupported FLT detected: "
+ "version=0x%x length=0x%x checksum=0x%x.\n",
+ le16_to_cpu(flt->version), le16_to_cpu(flt->length),
+ le16_to_cpu(flt->checksum)));
+ goto no_flash_data;
+ }
+
+ cnt = (sizeof(struct qla_flt_header) + le16_to_cpu(flt->length)) >> 1;
+ for (chksum = 0; cnt; cnt--)
+ chksum += le16_to_cpu(*wptr++);
+ if (chksum) {
+ DEBUG2(qla_printk(KERN_INFO, ha, "Inconsistent FLT detected: "
+ "version=0x%x length=0x%x checksum=0x%x.\n",
+ le16_to_cpu(flt->version), le16_to_cpu(flt->length),
+ chksum));
+ goto no_flash_data;
+ }
+
+ loc = locations[1];
+ cnt = le16_to_cpu(flt->length) / sizeof(struct qla_flt_region);
+ for ( ; cnt; cnt--, region++) {
+ /* Store addresses as DWORD offsets. */
+ start = le32_to_cpu(region->start) >> 2;
+
+ DEBUG3(qla_printk(KERN_DEBUG, ha, "FLT[%02x]: start=0x%x "
+ "end=0x%x size=0x%x.\n", le32_to_cpu(region->code), start,
+ le32_to_cpu(region->end) >> 2, le32_to_cpu(region->size)));
+
+ switch (le32_to_cpu(region->code)) {
+ case FLT_REG_FW:
+ ha->flt_region_fw = start;
+ break;
+ case FLT_REG_BOOT_CODE:
+ ha->flt_region_boot = start;
+ break;
+ case FLT_REG_VPD_0:
+ ha->flt_region_vpd_nvram = start;
+ break;
+ case FLT_REG_FDT:
+ ha->flt_region_fdt = start;
+ break;
+ case FLT_REG_HW_EVENT_0:
+ if (!PCI_FUNC(ha->pdev->devfn))
+ ha->flt_region_hw_event = start;
+ break;
+ case FLT_REG_HW_EVENT_1:
+ if (PCI_FUNC(ha->pdev->devfn))
+ ha->flt_region_hw_event = start;
+ break;
+ case FLT_REG_NPIV_CONF_0:
+ if (!PCI_FUNC(ha->pdev->devfn))
+ ha->flt_region_npiv_conf = start;
+ break;
+ case FLT_REG_NPIV_CONF_1:
+ if (PCI_FUNC(ha->pdev->devfn))
+ ha->flt_region_npiv_conf = start;
+ break;
+ }
+ }
+ goto done;
+
+no_flash_data:
+ /* Use hardcoded defaults. */
+ loc = locations[0];
+ ha->flt_region_fw = FA_RISC_CODE_ADDR;
+ ha->flt_region_boot = FA_BOOT_CODE_ADDR;
+ ha->flt_region_vpd_nvram = FA_VPD_NVRAM_ADDR;
+ ha->flt_region_fdt = IS_QLA24XX_TYPE(ha) ? FA_FLASH_DESCR_ADDR_24:
+ FA_FLASH_DESCR_ADDR;
+ ha->flt_region_hw_event = !PCI_FUNC(ha->pdev->devfn) ?
+ FA_HW_EVENT0_ADDR: FA_HW_EVENT1_ADDR;
+ ha->flt_region_npiv_conf = !PCI_FUNC(ha->pdev->devfn) ?
+ (IS_QLA24XX_TYPE(ha) ? FA_NPIV_CONF0_ADDR_24: FA_NPIV_CONF0_ADDR):
+ (IS_QLA24XX_TYPE(ha) ? FA_NPIV_CONF1_ADDR_24: FA_NPIV_CONF1_ADDR);
+done:
+ DEBUG2(qla_printk(KERN_DEBUG, ha, "FLT[%s]: boot=0x%x fw=0x%x "
+ "vpd_nvram=0x%x fdt=0x%x flt=0x%x hwe=0x%x npiv=0x%x.\n", loc,
+ ha->flt_region_boot, ha->flt_region_fw, ha->flt_region_vpd_nvram,
+ ha->flt_region_fdt, ha->flt_region_flt, ha->flt_region_hw_event,
+ ha->flt_region_npiv_conf));
+}
+
+static void
+qla2xxx_get_fdt_info(scsi_qla_host_t *ha)
{
#define FLASH_BLK_SIZE_32K 0x8000
#define FLASH_BLK_SIZE_64K 0x10000
+ const char *loc, *locations[] = { "MID", "FDT" };
uint16_t cnt, chksum;
uint16_t *wptr;
struct qla_fdt_layout *fdt;
uint8_t man_id, flash_id;
-
- if (!IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha))
- return;
+ uint16_t mid, fid;
wptr = (uint16_t *)ha->request_ring;
fdt = (struct qla_fdt_layout *)ha->request_ring;
ha->isp_ops->read_optrom(ha, (uint8_t *)ha->request_ring,
- FA_FLASH_DESCR_ADDR << 2, OPTROM_BURST_SIZE);
+ ha->flt_region_fdt << 2, OPTROM_BURST_SIZE);
if (*wptr == __constant_cpu_to_le16(0xffff))
goto no_flash_data;
if (fdt->sig[0] != 'Q' || fdt->sig[1] != 'L' || fdt->sig[2] != 'I' ||
@@ -577,7 +752,10 @@ qla2xxx_get_flash_info(scsi_qla_host_t *ha)
goto no_flash_data;
}
- ha->fdt_odd_index = le16_to_cpu(fdt->man_id) == 0x1f;
+ loc = locations[1];
+ mid = le16_to_cpu(fdt->man_id);
+ fid = le16_to_cpu(fdt->id);
+ ha->fdt_odd_index = mid == 0x1f;
ha->fdt_wrt_disable = fdt->wrt_disable_bits;
ha->fdt_erase_cmd = flash_conf_to_access_addr(0x0300 | fdt->erase_cmd);
ha->fdt_block_size = le32_to_cpu(fdt->block_size);
@@ -588,16 +766,12 @@ qla2xxx_get_flash_info(scsi_qla_host_t *ha)
flash_conf_to_access_addr(0x0300 | fdt->protect_sec_cmd):
flash_conf_to_access_addr(0x0336);
}
-
- DEBUG2(qla_printk(KERN_DEBUG, ha, "Flash[FDT]: (0x%x/0x%x) erase=0x%x "
- "pro=%x upro=%x idx=%d wrtd=0x%x blk=0x%x.\n",
- le16_to_cpu(fdt->man_id), le16_to_cpu(fdt->id), ha->fdt_erase_cmd,
- ha->fdt_protect_sec_cmd, ha->fdt_unprotect_sec_cmd,
- ha->fdt_odd_index, ha->fdt_wrt_disable, ha->fdt_block_size));
- return;
-
+ goto done;
no_flash_data:
+ loc = locations[0];
qla24xx_get_flash_manufacturer(ha, &man_id, &flash_id);
+ mid = man_id;
+ fid = flash_id;
ha->fdt_wrt_disable = 0x9c;
ha->fdt_erase_cmd = flash_conf_to_access_addr(0x03d8);
switch (man_id) {
@@ -625,14 +799,117 @@ no_flash_data:
ha->fdt_block_size = FLASH_BLK_SIZE_64K;
break;
}
-
- DEBUG2(qla_printk(KERN_DEBUG, ha, "Flash[MID]: (0x%x/0x%x) erase=0x%x "
- "pro=%x upro=%x idx=%d wrtd=0x%x blk=0x%x.\n", man_id, flash_id,
+done:
+ DEBUG2(qla_printk(KERN_DEBUG, ha, "FDT[%s]: (0x%x/0x%x) erase=0x%x "
+ "pro=%x upro=%x idx=%d wrtd=0x%x blk=0x%x.\n", loc, mid, fid,
ha->fdt_erase_cmd, ha->fdt_protect_sec_cmd,
ha->fdt_unprotect_sec_cmd, ha->fdt_odd_index, ha->fdt_wrt_disable,
ha->fdt_block_size));
}
+int
+qla2xxx_get_flash_info(scsi_qla_host_t *ha)
+{
+ int ret;
+ uint32_t flt_addr;
+
+ if (!IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha))
+ return QLA_SUCCESS;
+
+ ret = qla2xxx_find_flt_start(ha, &flt_addr);
+ if (ret != QLA_SUCCESS)
+ return ret;
+
+ qla2xxx_get_flt_info(ha, flt_addr);
+ qla2xxx_get_fdt_info(ha);
+
+ return QLA_SUCCESS;
+}
+
+void
+qla2xxx_flash_npiv_conf(scsi_qla_host_t *ha)
+{
+#define NPIV_CONFIG_SIZE (16*1024)
+ void *data;
+ uint16_t *wptr;
+ uint16_t cnt, chksum;
+ struct qla_npiv_header hdr;
+ struct qla_npiv_entry *entry;
+
+ if (!IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha))
+ return;
+
+ ha->isp_ops->read_optrom(ha, (uint8_t *)&hdr,
+ ha->flt_region_npiv_conf << 2, sizeof(struct qla_npiv_header));
+ if (hdr.version == __constant_cpu_to_le16(0xffff))
+ return;
+ if (hdr.version != __constant_cpu_to_le16(1)) {
+ DEBUG2(qla_printk(KERN_INFO, ha, "Unsupported NPIV-Config "
+ "detected: version=0x%x entries=0x%x checksum=0x%x.\n",
+ le16_to_cpu(hdr.version), le16_to_cpu(hdr.entries),
+ le16_to_cpu(hdr.checksum)));
+ return;
+ }
+
+ data = kmalloc(NPIV_CONFIG_SIZE, GFP_KERNEL);
+ if (!data) {
+ DEBUG2(qla_printk(KERN_INFO, ha, "NPIV-Config: Unable to "
+ "allocate memory.\n"));
+ return;
+ }
+
+ ha->isp_ops->read_optrom(ha, (uint8_t *)data,
+ ha->flt_region_npiv_conf << 2, NPIV_CONFIG_SIZE);
+
+ cnt = (sizeof(struct qla_npiv_header) + le16_to_cpu(hdr.entries) *
+ sizeof(struct qla_npiv_entry)) >> 1;
+ for (wptr = data, chksum = 0; cnt; cnt--)
+ chksum += le16_to_cpu(*wptr++);
+ if (chksum) {
+ DEBUG2(qla_printk(KERN_INFO, ha, "Inconsistent NPIV-Config "
+ "detected: version=0x%x entries=0x%x checksum=0x%x.\n",
+ le16_to_cpu(hdr.version), le16_to_cpu(hdr.entries),
+ chksum));
+ goto done;
+ }
+
+ entry = data + sizeof(struct qla_npiv_header);
+ cnt = le16_to_cpu(hdr.entries);
+ for ( ; cnt; cnt--, entry++) {
+ uint16_t flags;
+ struct fc_vport_identifiers vid;
+ struct fc_vport *vport;
+
+ flags = le16_to_cpu(entry->flags);
+ if (flags == 0xffff)
+ continue;
+ if ((flags & BIT_0) == 0)
+ continue;
+
+ memset(&vid, 0, sizeof(vid));
+ vid.roles = FC_PORT_ROLE_FCP_INITIATOR;
+ vid.vport_type = FC_PORTTYPE_NPIV;
+ vid.disable = false;
+ vid.port_name = wwn_to_u64(entry->port_name);
+ vid.node_name = wwn_to_u64(entry->node_name);
+
+ DEBUG2(qla_printk(KERN_DEBUG, ha, "NPIV[%02x]: wwpn=%llx "
+ "wwnn=%llx vf_id=0x%x qos=0x%x.\n", cnt,
+ (unsigned long long)vid.port_name,
+ (unsigned long long)vid.node_name,
+ le16_to_cpu(entry->vf_id), le16_to_cpu(entry->qos)));
+
+ vport = fc_vport_create(ha->host, 0, &vid);
+ if (!vport)
+ qla_printk(KERN_INFO, ha, "NPIV-Config: Failed to "
+ "create vport [%02x]: wwpn=%llx wwnn=%llx.\n", cnt,
+ (unsigned long long)vid.port_name,
+ (unsigned long long)vid.node_name);
+ }
+done:
+ kfree(data);
+}
+
static void
qla24xx_unprotect_flash(scsi_qla_host_t *ha)
{
@@ -920,7 +1197,8 @@ qla25xx_read_nvram_data(scsi_qla_host_t *ha, uint8_t *buf, uint32_t naddr,
dwptr = (uint32_t *)buf;
for (i = 0; i < bytes >> 2; i++, naddr++)
dwptr[i] = cpu_to_le32(qla24xx_read_flash_dword(ha,
- flash_data_to_access_addr(FA_VPD_NVRAM_ADDR | naddr)));
+ flash_data_to_access_addr(ha->flt_region_vpd_nvram |
+ naddr)));
return buf;
}
@@ -935,10 +1213,10 @@ qla25xx_write_nvram_data(scsi_qla_host_t *ha, uint8_t *buf, uint32_t naddr,
dbuf = vmalloc(RMW_BUFFER_SIZE);
if (!dbuf)
return QLA_MEMORY_ALLOC_FAILED;
- ha->isp_ops->read_optrom(ha, dbuf, FA_VPD_NVRAM_ADDR << 2,
+ ha->isp_ops->read_optrom(ha, dbuf, ha->flt_region_vpd_nvram << 2,
RMW_BUFFER_SIZE);
memcpy(dbuf + (naddr << 2), buf, bytes);
- ha->isp_ops->write_optrom(ha, dbuf, FA_VPD_NVRAM_ADDR << 2,
+ ha->isp_ops->write_optrom(ha, dbuf, ha->flt_region_vpd_nvram << 2,
RMW_BUFFER_SIZE);
vfree(dbuf);
@@ -2166,7 +2444,7 @@ qla2x00_get_flash_version(scsi_qla_host_t *ha, void *mbuf)
memset(dbyte, 0, 8);
dcode = (uint16_t *)dbyte;
- qla2x00_read_flash_data(ha, dbyte, FA_RISC_CODE_ADDR * 4 + 10,
+ qla2x00_read_flash_data(ha, dbyte, ha->flt_region_fw * 4 + 10,
8);
DEBUG3(printk("%s(%ld): dumping fw ver from flash:\n",
__func__, ha->host_no));
@@ -2177,7 +2455,7 @@ qla2x00_get_flash_version(scsi_qla_host_t *ha, void *mbuf)
(dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
dcode[3] == 0)) {
DEBUG2(printk("%s(): Unrecognized fw revision at "
- "%x.\n", __func__, FA_RISC_CODE_ADDR * 4));
+ "%x.\n", __func__, ha->flt_region_fw * 4));
} else {
/* values are in big endian */
ha->fw_revision[0] = dbyte[0] << 16 | dbyte[1];
@@ -2212,7 +2490,7 @@ qla24xx_get_flash_version(scsi_qla_host_t *ha, void *mbuf)
dcode = mbuf;
/* Begin with first PCI expansion ROM header. */
- pcihdr = 0;
+ pcihdr = ha->flt_region_boot;
last_image = 1;
do {
/* Verify PCI expansion ROM header. */
@@ -2282,7 +2560,7 @@ qla24xx_get_flash_version(scsi_qla_host_t *ha, void *mbuf)
memset(ha->fw_revision, 0, sizeof(ha->fw_revision));
dcode = mbuf;
- qla24xx_read_flash_data(ha, dcode, FA_RISC_CODE_ADDR + 4, 4);
+ qla24xx_read_flash_data(ha, dcode, ha->flt_region_fw + 4, 4);
for (i = 0; i < 4; i++)
dcode[i] = be32_to_cpu(dcode[i]);
@@ -2291,7 +2569,7 @@ qla24xx_get_flash_version(scsi_qla_host_t *ha, void *mbuf)
(dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
dcode[3] == 0)) {
DEBUG2(printk("%s(): Unrecognized fw version at %x.\n",
- __func__, FA_RISC_CODE_ADDR));
+ __func__, ha->flt_region_fw));
} else {
ha->fw_revision[0] = dcode[0];
ha->fw_revision[1] = dcode[1];
@@ -2355,7 +2633,7 @@ qla2xxx_hw_event_store(scsi_qla_host_t *ha, uint32_t *fdata)
/* Locate first empty entry. */
for (;;) {
if (ha->hw_event_ptr >=
- ha->hw_event_start + FA_HW_EVENT_SIZE) {
+ ha->flt_region_hw_event + FA_HW_EVENT_SIZE) {
DEBUG2(qla_printk(KERN_WARNING, ha,
"HW event -- Log Full!\n"));
return QLA_MEMORY_ALLOC_FAILED;
@@ -2391,7 +2669,7 @@ qla2xxx_hw_event_log(scsi_qla_host_t *ha, uint16_t code, uint16_t d1,
int rval;
uint32_t marker[2], fdata[4];
- if (ha->hw_event_start == 0)
+ if (ha->flt_region_hw_event == 0)
return QLA_FUNCTION_FAILED;
DEBUG2(qla_printk(KERN_WARNING, ha,
@@ -2406,7 +2684,7 @@ qla2xxx_hw_event_log(scsi_qla_host_t *ha, uint16_t code, uint16_t d1,
QLA_DRIVER_PATCH_VER, QLA_DRIVER_BETA_VER);
/* Locate marker. */
- ha->hw_event_ptr = ha->hw_event_start;
+ ha->hw_event_ptr = ha->flt_region_hw_event;
for (;;) {
qla24xx_read_flash_data(ha, fdata, ha->hw_event_ptr,
4);
@@ -2415,7 +2693,7 @@ qla2xxx_hw_event_log(scsi_qla_host_t *ha, uint16_t code, uint16_t d1,
break;
ha->hw_event_ptr += FA_HW_EVENT_ENTRY_SIZE;
if (ha->hw_event_ptr >=
- ha->hw_event_start + FA_HW_EVENT_SIZE) {
+ ha->flt_region_hw_event + FA_HW_EVENT_SIZE) {
DEBUG2(qla_printk(KERN_WARNING, ha,
"HW event -- Log Full!\n"));
return QLA_MEMORY_ALLOC_FAILED;
diff --git a/drivers/scsi/qla2xxx/qla_version.h b/drivers/scsi/qla2xxx/qla_version.h
index 4160e4caa7b..be5e299df52 100644
--- a/drivers/scsi/qla2xxx/qla_version.h
+++ b/drivers/scsi/qla2xxx/qla_version.h
@@ -7,7 +7,7 @@
/*
* Driver version
*/
-#define QLA2XXX_VERSION "8.02.01-k7"
+#define QLA2XXX_VERSION "8.02.01-k8"
#define QLA_DRIVER_MAJOR_VER 8
#define QLA_DRIVER_MINOR_VER 2
diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c
index dbeb86cafc0..2ac3cb2b908 100644
--- a/drivers/scsi/scsi.c
+++ b/drivers/scsi/scsi.c
@@ -668,13 +668,14 @@ int scsi_dispatch_cmd(struct scsi_cmnd *cmd)
goto out;
}
- /* Check to see if the scsi lld put this device into state SDEV_BLOCK. */
- if (unlikely(cmd->device->sdev_state == SDEV_BLOCK)) {
+ /* Check to see if the scsi lld made this device blocked. */
+ if (unlikely(scsi_device_blocked(cmd->device))) {
/*
- * in SDEV_BLOCK, the command is just put back on the device
- * queue. The suspend state has already blocked the queue so
- * future requests should not occur until the device
- * transitions out of the suspend state.
+ * in blocked state, the command is just put back on
+ * the device queue. The suspend state has already
+ * blocked the queue so future requests should not
+ * occur until the device transitions out of the
+ * suspend state.
*/
scsi_queue_insert(cmd, SCSI_MLQUEUE_DEVICE_BUSY);
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index e7686500e9d..98ee55ced59 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -1250,6 +1250,7 @@ int scsi_prep_state_check(struct scsi_device *sdev, struct request *req)
break;
case SDEV_QUIESCE:
case SDEV_BLOCK:
+ case SDEV_CREATED_BLOCK:
/*
* If the devices is blocked we defer normal commands.
*/
@@ -2073,10 +2074,13 @@ scsi_device_set_state(struct scsi_device *sdev, enum scsi_device_state state)
switch (state) {
case SDEV_CREATED:
- /* There are no legal states that come back to
- * created. This is the manually initialised start
- * state */
- goto illegal;
+ switch (oldstate) {
+ case SDEV_CREATED_BLOCK:
+ break;
+ default:
+ goto illegal;
+ }
+ break;
case SDEV_RUNNING:
switch (oldstate) {
@@ -2114,8 +2118,17 @@ scsi_device_set_state(struct scsi_device *sdev, enum scsi_device_state state)
case SDEV_BLOCK:
switch (oldstate) {
- case SDEV_CREATED:
case SDEV_RUNNING:
+ case SDEV_CREATED_BLOCK:
+ break;
+ default:
+ goto illegal;
+ }
+ break;
+
+ case SDEV_CREATED_BLOCK:
+ switch (oldstate) {
+ case SDEV_CREATED:
break;
default:
goto illegal;
@@ -2403,8 +2416,12 @@ scsi_internal_device_block(struct scsi_device *sdev)
int err = 0;
err = scsi_device_set_state(sdev, SDEV_BLOCK);
- if (err)
- return err;
+ if (err) {
+ err = scsi_device_set_state(sdev, SDEV_CREATED_BLOCK);
+
+ if (err)
+ return err;
+ }
/*
* The device has transitioned to SDEV_BLOCK. Stop the
@@ -2447,8 +2464,12 @@ scsi_internal_device_unblock(struct scsi_device *sdev)
* and goose the device queue if successful.
*/
err = scsi_device_set_state(sdev, SDEV_RUNNING);
- if (err)
- return err;
+ if (err) {
+ err = scsi_device_set_state(sdev, SDEV_CREATED);
+
+ if (err)
+ return err;
+ }
spin_lock_irqsave(q->queue_lock, flags);
blk_start_queue(q);
diff --git a/drivers/scsi/scsi_netlink.c b/drivers/scsi/scsi_netlink.c
index ae7ed9a2266..b37e133de80 100644
--- a/drivers/scsi/scsi_netlink.c
+++ b/drivers/scsi/scsi_netlink.c
@@ -21,6 +21,7 @@
#include <linux/time.h>
#include <linux/jiffies.h>
#include <linux/security.h>
+#include <linux/delay.h>
#include <net/sock.h>
#include <net/netlink.h>
@@ -30,6 +31,39 @@
struct sock *scsi_nl_sock = NULL;
EXPORT_SYMBOL_GPL(scsi_nl_sock);
+static DEFINE_SPINLOCK(scsi_nl_lock);
+static struct list_head scsi_nl_drivers;
+
+static u32 scsi_nl_state;
+#define STATE_EHANDLER_BSY 0x00000001
+
+struct scsi_nl_transport {
+ int (*msg_handler)(struct sk_buff *);
+ void (*event_handler)(struct notifier_block *, unsigned long, void *);
+ unsigned int refcnt;
+ int flags;
+};
+
+/* flags values (bit flags) */
+#define HANDLER_DELETING 0x1
+
+static struct scsi_nl_transport transports[SCSI_NL_MAX_TRANSPORTS] =
+ { {NULL, }, };
+
+
+struct scsi_nl_drvr {
+ struct list_head next;
+ int (*dmsg_handler)(struct Scsi_Host *shost, void *payload,
+ u32 len, u32 pid);
+ void (*devt_handler)(struct notifier_block *nb,
+ unsigned long event, void *notify_ptr);
+ struct scsi_host_template *hostt;
+ u64 vendor_id;
+ unsigned int refcnt;
+ int flags;
+};
+
+
/**
* scsi_nl_rcv_msg - Receive message handler.
@@ -45,8 +79,9 @@ scsi_nl_rcv_msg(struct sk_buff *skb)
{
struct nlmsghdr *nlh;
struct scsi_nl_hdr *hdr;
- uint32_t rlen;
- int err;
+ unsigned long flags;
+ u32 rlen;
+ int err, tport;
while (skb->len >= NLMSG_SPACE(0)) {
err = 0;
@@ -65,7 +100,7 @@ scsi_nl_rcv_msg(struct sk_buff *skb)
if (nlh->nlmsg_type != SCSI_TRANSPORT_MSG) {
err = -EBADMSG;
- return;
+ goto next_msg;
}
hdr = NLMSG_DATA(nlh);
@@ -83,12 +118,27 @@ scsi_nl_rcv_msg(struct sk_buff *skb)
if (nlh->nlmsg_len < (sizeof(*nlh) + hdr->msglen)) {
printk(KERN_WARNING "%s: discarding partial message\n",
__func__);
- return;
+ goto next_msg;
}
/*
- * We currently don't support anyone sending us a message
+ * Deliver message to the appropriate transport
*/
+ spin_lock_irqsave(&scsi_nl_lock, flags);
+
+ tport = hdr->transport;
+ if ((tport < SCSI_NL_MAX_TRANSPORTS) &&
+ !(transports[tport].flags & HANDLER_DELETING) &&
+ (transports[tport].msg_handler)) {
+ transports[tport].refcnt++;
+ spin_unlock_irqrestore(&scsi_nl_lock, flags);
+ err = transports[tport].msg_handler(skb);
+ spin_lock_irqsave(&scsi_nl_lock, flags);
+ transports[tport].refcnt--;
+ } else
+ err = -ENOENT;
+
+ spin_unlock_irqrestore(&scsi_nl_lock, flags);
next_msg:
if ((err) || (nlh->nlmsg_flags & NLM_F_ACK))
@@ -110,14 +160,42 @@ static int
scsi_nl_rcv_event(struct notifier_block *this, unsigned long event, void *ptr)
{
struct netlink_notify *n = ptr;
+ struct scsi_nl_drvr *driver;
+ unsigned long flags;
+ int tport;
if (n->protocol != NETLINK_SCSITRANSPORT)
return NOTIFY_DONE;
+ spin_lock_irqsave(&scsi_nl_lock, flags);
+ scsi_nl_state |= STATE_EHANDLER_BSY;
+
/*
- * Currently, we are not tracking PID's, etc. There is nothing
- * to handle.
+ * Pass event on to any transports that may be listening
*/
+ for (tport = 0; tport < SCSI_NL_MAX_TRANSPORTS; tport++) {
+ if (!(transports[tport].flags & HANDLER_DELETING) &&
+ (transports[tport].event_handler)) {
+ spin_unlock_irqrestore(&scsi_nl_lock, flags);
+ transports[tport].event_handler(this, event, ptr);
+ spin_lock_irqsave(&scsi_nl_lock, flags);
+ }
+ }
+
+ /*
+ * Pass event on to any drivers that may be listening
+ */
+ list_for_each_entry(driver, &scsi_nl_drivers, next) {
+ if (!(driver->flags & HANDLER_DELETING) &&
+ (driver->devt_handler)) {
+ spin_unlock_irqrestore(&scsi_nl_lock, flags);
+ driver->devt_handler(this, event, ptr);
+ spin_lock_irqsave(&scsi_nl_lock, flags);
+ }
+ }
+
+ scsi_nl_state &= ~STATE_EHANDLER_BSY;
+ spin_unlock_irqrestore(&scsi_nl_lock, flags);
return NOTIFY_DONE;
}
@@ -128,7 +206,281 @@ static struct notifier_block scsi_netlink_notifier = {
/**
- * scsi_netlink_init - Called by SCSI subsystem to intialize the SCSI transport netlink interface
+ * GENERIC SCSI transport receive and event handlers
+ **/
+
+/**
+ * scsi_generic_msg_handler - receive message handler for GENERIC transport
+ * messages
+ *
+ * @skb: socket receive buffer
+ *
+ **/
+static int
+scsi_generic_msg_handler(struct sk_buff *skb)
+{
+ struct nlmsghdr *nlh = nlmsg_hdr(skb);
+ struct scsi_nl_hdr *snlh = NLMSG_DATA(nlh);
+ struct scsi_nl_drvr *driver;
+ struct Scsi_Host *shost;
+ unsigned long flags;
+ int err = 0, match, pid;
+
+ pid = NETLINK_CREDS(skb)->pid;
+
+ switch (snlh->msgtype) {
+ case SCSI_NL_SHOST_VENDOR:
+ {
+ struct scsi_nl_host_vendor_msg *msg = NLMSG_DATA(nlh);
+
+ /* Locate the driver that corresponds to the message */
+ spin_lock_irqsave(&scsi_nl_lock, flags);
+ match = 0;
+ list_for_each_entry(driver, &scsi_nl_drivers, next) {
+ if (driver->vendor_id == msg->vendor_id) {
+ match = 1;
+ break;
+ }
+ }
+
+ if ((!match) || (!driver->dmsg_handler)) {
+ spin_unlock_irqrestore(&scsi_nl_lock, flags);
+ err = -ESRCH;
+ goto rcv_exit;
+ }
+
+ if (driver->flags & HANDLER_DELETING) {
+ spin_unlock_irqrestore(&scsi_nl_lock, flags);
+ err = -ESHUTDOWN;
+ goto rcv_exit;
+ }
+
+ driver->refcnt++;
+ spin_unlock_irqrestore(&scsi_nl_lock, flags);
+
+
+ /* if successful, scsi_host_lookup takes a shost reference */
+ shost = scsi_host_lookup(msg->host_no);
+ if (!shost) {
+ err = -ENODEV;
+ goto driver_exit;
+ }
+
+ /* is this host owned by the vendor ? */
+ if (shost->hostt != driver->hostt) {
+ err = -EINVAL;
+ goto vendormsg_put;
+ }
+
+ /* pass message on to the driver */
+ err = driver->dmsg_handler(shost, (void *)&msg[1],
+ msg->vmsg_datalen, pid);
+
+vendormsg_put:
+ /* release reference by scsi_host_lookup */
+ scsi_host_put(shost);
+
+driver_exit:
+ /* release our own reference on the registration object */
+ spin_lock_irqsave(&scsi_nl_lock, flags);
+ driver->refcnt--;
+ spin_unlock_irqrestore(&scsi_nl_lock, flags);
+ break;
+ }
+
+ default:
+ err = -EBADR;
+ break;
+ }
+
+rcv_exit:
+ if (err)
+ printk(KERN_WARNING "%s: Msgtype %d failed - err %d\n",
+ __func__, snlh->msgtype, err);
+ return err;
+}
+
+
+/**
+ * scsi_nl_add_transport -
+ * Registers message and event handlers for a transport. Enables
+ * receipt of netlink messages and events to a transport.
+ *
+ * @tport: transport registering handlers
+ * @msg_handler: receive message handler callback
+ * @event_handler: receive event handler callback
+ **/
+int
+scsi_nl_add_transport(u8 tport,
+ int (*msg_handler)(struct sk_buff *),
+ void (*event_handler)(struct notifier_block *, unsigned long, void *))
+{
+ unsigned long flags;
+ int err = 0;
+
+ if (tport >= SCSI_NL_MAX_TRANSPORTS)
+ return -EINVAL;
+
+ spin_lock_irqsave(&scsi_nl_lock, flags);
+
+ if (scsi_nl_state & STATE_EHANDLER_BSY) {
+ spin_unlock_irqrestore(&scsi_nl_lock, flags);
+ msleep(1);
+ spin_lock_irqsave(&scsi_nl_lock, flags);
+ }
+
+ if (transports[tport].msg_handler || transports[tport].event_handler) {
+ err = -EALREADY;
+ goto register_out;
+ }
+
+ transports[tport].msg_handler = msg_handler;
+ transports[tport].event_handler = event_handler;
+ transports[tport].flags = 0;
+ transports[tport].refcnt = 0;
+
+register_out:
+ spin_unlock_irqrestore(&scsi_nl_lock, flags);
+
+ return err;
+}
+EXPORT_SYMBOL_GPL(scsi_nl_add_transport);
+
+
+/**
+ * scsi_nl_remove_transport -
+ * Disable transport receiption of messages and events
+ *
+ * @tport: transport deregistering handlers
+ *
+ **/
+void
+scsi_nl_remove_transport(u8 tport)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&scsi_nl_lock, flags);
+ if (scsi_nl_state & STATE_EHANDLER_BSY) {
+ spin_unlock_irqrestore(&scsi_nl_lock, flags);
+ msleep(1);
+ spin_lock_irqsave(&scsi_nl_lock, flags);
+ }
+
+ if (tport < SCSI_NL_MAX_TRANSPORTS) {
+ transports[tport].flags |= HANDLER_DELETING;
+
+ while (transports[tport].refcnt != 0) {
+ spin_unlock_irqrestore(&scsi_nl_lock, flags);
+ schedule_timeout_uninterruptible(HZ/4);
+ spin_lock_irqsave(&scsi_nl_lock, flags);
+ }
+ transports[tport].msg_handler = NULL;
+ transports[tport].event_handler = NULL;
+ transports[tport].flags = 0;
+ }
+
+ spin_unlock_irqrestore(&scsi_nl_lock, flags);
+
+ return;
+}
+EXPORT_SYMBOL_GPL(scsi_nl_remove_transport);
+
+
+/**
+ * scsi_nl_add_driver -
+ * A driver is registering its interfaces for SCSI netlink messages
+ *
+ * @vendor_id: A unique identification value for the driver.
+ * @hostt: address of the driver's host template. Used
+ * to verify an shost is bound to the driver
+ * @nlmsg_handler: receive message handler callback
+ * @nlevt_handler: receive event handler callback
+ *
+ * Returns:
+ * 0 on Success
+ * error result otherwise
+ **/
+int
+scsi_nl_add_driver(u64 vendor_id, struct scsi_host_template *hostt,
+ int (*nlmsg_handler)(struct Scsi_Host *shost, void *payload,
+ u32 len, u32 pid),
+ void (*nlevt_handler)(struct notifier_block *nb,
+ unsigned long event, void *notify_ptr))
+{
+ struct scsi_nl_drvr *driver;
+ unsigned long flags;
+
+ driver = kzalloc(sizeof(*driver), GFP_KERNEL);
+ if (unlikely(!driver)) {
+ printk(KERN_ERR "%s: allocation failure\n", __func__);
+ return -ENOMEM;
+ }
+
+ driver->dmsg_handler = nlmsg_handler;
+ driver->devt_handler = nlevt_handler;
+ driver->hostt = hostt;
+ driver->vendor_id = vendor_id;
+
+ spin_lock_irqsave(&scsi_nl_lock, flags);
+ if (scsi_nl_state & STATE_EHANDLER_BSY) {
+ spin_unlock_irqrestore(&scsi_nl_lock, flags);
+ msleep(1);
+ spin_lock_irqsave(&scsi_nl_lock, flags);
+ }
+ list_add_tail(&driver->next, &scsi_nl_drivers);
+ spin_unlock_irqrestore(&scsi_nl_lock, flags);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(scsi_nl_add_driver);
+
+
+/**
+ * scsi_nl_remove_driver -
+ * An driver is unregistering with the SCSI netlink messages
+ *
+ * @vendor_id: The unique identification value for the driver.
+ **/
+void
+scsi_nl_remove_driver(u64 vendor_id)
+{
+ struct scsi_nl_drvr *driver;
+ unsigned long flags;
+
+ spin_lock_irqsave(&scsi_nl_lock, flags);
+ if (scsi_nl_state & STATE_EHANDLER_BSY) {
+ spin_unlock_irqrestore(&scsi_nl_lock, flags);
+ msleep(1);
+ spin_lock_irqsave(&scsi_nl_lock, flags);
+ }
+
+ list_for_each_entry(driver, &scsi_nl_drivers, next) {
+ if (driver->vendor_id == vendor_id) {
+ driver->flags |= HANDLER_DELETING;
+ while (driver->refcnt != 0) {
+ spin_unlock_irqrestore(&scsi_nl_lock, flags);
+ schedule_timeout_uninterruptible(HZ/4);
+ spin_lock_irqsave(&scsi_nl_lock, flags);
+ }
+ list_del(&driver->next);
+ kfree(driver);
+ spin_unlock_irqrestore(&scsi_nl_lock, flags);
+ return;
+ }
+ }
+
+ spin_unlock_irqrestore(&scsi_nl_lock, flags);
+
+ printk(KERN_ERR "%s: removal of driver failed - vendor_id 0x%llx\n",
+ __func__, (unsigned long long)vendor_id);
+ return;
+}
+EXPORT_SYMBOL_GPL(scsi_nl_remove_driver);
+
+
+/**
+ * scsi_netlink_init - Called by SCSI subsystem to intialize
+ * the SCSI transport netlink interface
*
**/
void
@@ -136,6 +488,8 @@ scsi_netlink_init(void)
{
int error;
+ INIT_LIST_HEAD(&scsi_nl_drivers);
+
error = netlink_register_notifier(&scsi_netlink_notifier);
if (error) {
printk(KERN_ERR "%s: register of event handler failed - %d\n",
@@ -150,8 +504,15 @@ scsi_netlink_init(void)
printk(KERN_ERR "%s: register of recieve handler failed\n",
__func__);
netlink_unregister_notifier(&scsi_netlink_notifier);
+ return;
}
+ /* Register the entry points for the generic SCSI transport */
+ error = scsi_nl_add_transport(SCSI_NL_TRANSPORT,
+ scsi_generic_msg_handler, NULL);
+ if (error)
+ printk(KERN_ERR "%s: register of GENERIC transport handler"
+ " failed - %d\n", __func__, error);
return;
}
@@ -163,6 +524,8 @@ scsi_netlink_init(void)
void
scsi_netlink_exit(void)
{
+ scsi_nl_remove_transport(SCSI_NL_TRANSPORT);
+
if (scsi_nl_sock) {
netlink_kernel_release(scsi_nl_sock);
netlink_unregister_notifier(&scsi_netlink_notifier);
@@ -172,3 +535,147 @@ scsi_netlink_exit(void)
}
+/*
+ * Exported Interfaces
+ */
+
+/**
+ * scsi_nl_send_transport_msg -
+ * Generic function to send a single message from a SCSI transport to
+ * a single process
+ *
+ * @pid: receiving pid
+ * @hdr: message payload
+ *
+ **/
+void
+scsi_nl_send_transport_msg(u32 pid, struct scsi_nl_hdr *hdr)
+{
+ struct sk_buff *skb;
+ struct nlmsghdr *nlh;
+ const char *fn;
+ char *datab;
+ u32 len, skblen;
+ int err;
+
+ if (!scsi_nl_sock) {
+ err = -ENOENT;
+ fn = "netlink socket";
+ goto msg_fail;
+ }
+
+ len = NLMSG_SPACE(hdr->msglen);
+ skblen = NLMSG_SPACE(len);
+
+ skb = alloc_skb(skblen, GFP_KERNEL);
+ if (!skb) {
+ err = -ENOBUFS;
+ fn = "alloc_skb";
+ goto msg_fail;
+ }
+
+ nlh = nlmsg_put(skb, pid, 0, SCSI_TRANSPORT_MSG, len - sizeof(*nlh), 0);
+ if (!nlh) {
+ err = -ENOBUFS;
+ fn = "nlmsg_put";
+ goto msg_fail_skb;
+ }
+ datab = NLMSG_DATA(nlh);
+ memcpy(datab, hdr, hdr->msglen);
+
+ err = nlmsg_unicast(scsi_nl_sock, skb, pid);
+ if (err < 0) {
+ fn = "nlmsg_unicast";
+ /* nlmsg_unicast already kfree_skb'd */
+ goto msg_fail;
+ }
+
+ return;
+
+msg_fail_skb:
+ kfree_skb(skb);
+msg_fail:
+ printk(KERN_WARNING
+ "%s: Dropped Message : pid %d Transport %d, msgtype x%x, "
+ "msglen %d: %s : err %d\n",
+ __func__, pid, hdr->transport, hdr->msgtype, hdr->msglen,
+ fn, err);
+ return;
+}
+EXPORT_SYMBOL_GPL(scsi_nl_send_transport_msg);
+
+
+/**
+ * scsi_nl_send_vendor_msg - called to send a shost vendor unique message
+ * to a specific process id.
+ *
+ * @pid: process id of the receiver
+ * @host_no: host # sending the message
+ * @vendor_id: unique identifier for the driver's vendor
+ * @data_len: amount, in bytes, of vendor unique payload data
+ * @data_buf: pointer to vendor unique data buffer
+ *
+ * Returns:
+ * 0 on succesful return
+ * otherwise, failing error code
+ *
+ * Notes:
+ * This routine assumes no locks are held on entry.
+ */
+int
+scsi_nl_send_vendor_msg(u32 pid, unsigned short host_no, u64 vendor_id,
+ char *data_buf, u32 data_len)
+{
+ struct sk_buff *skb;
+ struct nlmsghdr *nlh;
+ struct scsi_nl_host_vendor_msg *msg;
+ u32 len, skblen;
+ int err;
+
+ if (!scsi_nl_sock) {
+ err = -ENOENT;
+ goto send_vendor_fail;
+ }
+
+ len = SCSI_NL_MSGALIGN(sizeof(*msg) + data_len);
+ skblen = NLMSG_SPACE(len);
+
+ skb = alloc_skb(skblen, GFP_KERNEL);
+ if (!skb) {
+ err = -ENOBUFS;
+ goto send_vendor_fail;
+ }
+
+ nlh = nlmsg_put(skb, 0, 0, SCSI_TRANSPORT_MSG,
+ skblen - sizeof(*nlh), 0);
+ if (!nlh) {
+ err = -ENOBUFS;
+ goto send_vendor_fail_skb;
+ }
+ msg = NLMSG_DATA(nlh);
+
+ INIT_SCSI_NL_HDR(&msg->snlh, SCSI_NL_TRANSPORT,
+ SCSI_NL_SHOST_VENDOR, len);
+ msg->vendor_id = vendor_id;
+ msg->host_no = host_no;
+ msg->vmsg_datalen = data_len; /* bytes */
+ memcpy(&msg[1], data_buf, data_len);
+
+ err = nlmsg_unicast(scsi_nl_sock, skb, pid);
+ if (err)
+ /* nlmsg_multicast already kfree_skb'd */
+ goto send_vendor_fail;
+
+ return 0;
+
+send_vendor_fail_skb:
+ kfree_skb(skb);
+send_vendor_fail:
+ printk(KERN_WARNING
+ "%s: Dropped SCSI Msg : host %d vendor_unique - err %d\n",
+ __func__, host_no, err);
+ return err;
+}
+EXPORT_SYMBOL(scsi_nl_send_vendor_msg);
+
+
diff --git a/drivers/scsi/scsi_proc.c b/drivers/scsi/scsi_proc.c
index c6a904a45bf..82f7b2dd08a 100644
--- a/drivers/scsi/scsi_proc.c
+++ b/drivers/scsi/scsi_proc.c
@@ -259,8 +259,8 @@ static int scsi_add_single_device(uint host, uint channel, uint id, uint lun)
int error = -ENXIO;
shost = scsi_host_lookup(host);
- if (IS_ERR(shost))
- return PTR_ERR(shost);
+ if (!shost)
+ return error;
if (shost->transportt->user_scan)
error = shost->transportt->user_scan(shost, channel, id, lun);
@@ -287,8 +287,8 @@ static int scsi_remove_single_device(uint host, uint channel, uint id, uint lun)
int error = -ENXIO;
shost = scsi_host_lookup(host);
- if (IS_ERR(shost))
- return PTR_ERR(shost);
+ if (!shost)
+ return error;
sdev = scsi_device_lookup(shost, channel, id, lun);
if (sdev) {
scsi_remove_device(sdev);
diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c
index 34d0de6cd51..334862e26a1 100644
--- a/drivers/scsi/scsi_scan.c
+++ b/drivers/scsi/scsi_scan.c
@@ -730,6 +730,8 @@ static int scsi_probe_lun(struct scsi_device *sdev, unsigned char *inq_result,
static int scsi_add_lun(struct scsi_device *sdev, unsigned char *inq_result,
int *bflags, int async)
{
+ int ret;
+
/*
* XXX do not save the inquiry, since it can change underneath us,
* save just vendor/model/rev.
@@ -885,7 +887,17 @@ static int scsi_add_lun(struct scsi_device *sdev, unsigned char *inq_result,
/* set the device running here so that slave configure
* may do I/O */
- scsi_device_set_state(sdev, SDEV_RUNNING);
+ ret = scsi_device_set_state(sdev, SDEV_RUNNING);
+ if (ret) {
+ ret = scsi_device_set_state(sdev, SDEV_BLOCK);
+
+ if (ret) {
+ sdev_printk(KERN_ERR, sdev,
+ "in wrong state %s to complete scan\n",
+ scsi_device_state_name(sdev->sdev_state));
+ return SCSI_SCAN_NO_RESPONSE;
+ }
+ }
if (*bflags & BLIST_MS_192_BYTES_FOR_3F)
sdev->use_192_bytes_for_3f = 1;
@@ -899,7 +911,7 @@ static int scsi_add_lun(struct scsi_device *sdev, unsigned char *inq_result,
transport_configure_device(&sdev->sdev_gendev);
if (sdev->host->hostt->slave_configure) {
- int ret = sdev->host->hostt->slave_configure(sdev);
+ ret = sdev->host->hostt->slave_configure(sdev);
if (ret) {
/*
* if LLDD reports slave not present, don't clutter
@@ -994,7 +1006,7 @@ static int scsi_probe_and_add_lun(struct scsi_target *starget,
*/
sdev = scsi_device_lookup_by_target(starget, lun);
if (sdev) {
- if (rescan || sdev->sdev_state != SDEV_CREATED) {
+ if (rescan || !scsi_device_created(sdev)) {
SCSI_LOG_SCAN_BUS(3, printk(KERN_INFO
"scsi scan: device exists on %s\n",
sdev->sdev_gendev.bus_id));
@@ -1467,7 +1479,7 @@ static int scsi_report_lun_scan(struct scsi_target *starget, int bflags,
kfree(lun_data);
out:
scsi_device_put(sdev);
- if (sdev->sdev_state == SDEV_CREATED)
+ if (scsi_device_created(sdev))
/*
* the sdev we used didn't appear in the report luns scan
*/
diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c
index 7f618ee5ece..93c28f30bbd 100644
--- a/drivers/scsi/scsi_sysfs.c
+++ b/drivers/scsi/scsi_sysfs.c
@@ -34,6 +34,7 @@ static const struct {
{ SDEV_QUIESCE, "quiesce" },
{ SDEV_OFFLINE, "offline" },
{ SDEV_BLOCK, "blocked" },
+ { SDEV_CREATED_BLOCK, "created-blocked" },
};
const char *scsi_device_state_name(enum scsi_device_state state)
diff --git a/drivers/scsi/scsi_tgt_lib.c b/drivers/scsi/scsi_tgt_lib.c
index 3117bb106b5..48ba413f7f6 100644
--- a/drivers/scsi/scsi_tgt_lib.c
+++ b/drivers/scsi/scsi_tgt_lib.c
@@ -460,7 +460,7 @@ int scsi_tgt_kspace_exec(int host_no, u64 itn_id, int result, u64 tag,
/* TODO: replace with a O(1) alg */
shost = scsi_host_lookup(host_no);
- if (IS_ERR(shost)) {
+ if (!shost) {
printk(KERN_ERR "Could not find host no %d\n", host_no);
return -EINVAL;
}
@@ -550,7 +550,7 @@ int scsi_tgt_kspace_tsk_mgmt(int host_no, u64 itn_id, u64 mid, int result)
dprintk("%d %d %llx\n", host_no, result, (unsigned long long) mid);
shost = scsi_host_lookup(host_no);
- if (IS_ERR(shost)) {
+ if (!shost) {
printk(KERN_ERR "Could not find host no %d\n", host_no);
return err;
}
@@ -603,7 +603,7 @@ int scsi_tgt_kspace_it_nexus_rsp(int host_no, u64 itn_id, int result)
dprintk("%d %d%llx\n", host_no, result, (unsigned long long)itn_id);
shost = scsi_host_lookup(host_no);
- if (IS_ERR(shost)) {
+ if (!shost) {
printk(KERN_ERR "Could not find host no %d\n", host_no);
return err;
}
diff --git a/drivers/scsi/scsi_transport_fc.c b/drivers/scsi/scsi_transport_fc.c
index 9168883d0df..d5f7653bb94 100644
--- a/drivers/scsi/scsi_transport_fc.c
+++ b/drivers/scsi/scsi_transport_fc.c
@@ -40,31 +40,7 @@
static int fc_queue_work(struct Scsi_Host *, struct work_struct *);
static void fc_vport_sched_delete(struct work_struct *work);
-
-/*
- * This is a temporary carrier for creating a vport. It will eventually
- * be replaced by a real message definition for sgio or netlink.
- *
- * fc_vport_identifiers: This set of data contains all elements
- * to uniquely identify and instantiate a FC virtual port.
- *
- * Notes:
- * symbolic_name: The driver is to append the symbolic_name string data
- * to the symbolic_node_name data that it generates by default.
- * the resulting combination should then be registered with the switch.
- * It is expected that things like Xen may stuff a VM title into
- * this field.
- */
-struct fc_vport_identifiers {
- u64 node_name;
- u64 port_name;
- u32 roles;
- bool disable;
- enum fc_port_type vport_type; /* only FC_PORTTYPE_NPIV allowed */
- char symbolic_name[FC_VPORT_SYMBOLIC_NAMELEN];
-};
-
-static int fc_vport_create(struct Scsi_Host *shost, int channel,
+static int fc_vport_setup(struct Scsi_Host *shost, int channel,
struct device *pdev, struct fc_vport_identifiers *ids,
struct fc_vport **vport);
@@ -1760,7 +1736,7 @@ store_fc_host_vport_create(struct device *dev, struct device_attribute *attr,
vid.disable = false; /* always enabled */
/* we only allow support on Channel 0 !!! */
- stat = fc_vport_create(shost, 0, &shost->shost_gendev, &vid, &vport);
+ stat = fc_vport_setup(shost, 0, &shost->shost_gendev, &vid, &vport);
return stat ? stat : count;
}
static FC_DEVICE_ATTR(host, vport_create, S_IWUSR, NULL,
@@ -3103,7 +3079,7 @@ fc_scsi_scan_rport(struct work_struct *work)
/**
- * fc_vport_create - allocates and creates a FC virtual port.
+ * fc_vport_setup - allocates and creates a FC virtual port.
* @shost: scsi host the virtual port is connected to.
* @channel: Channel on shost port connected to.
* @pdev: parent device for vport
@@ -3118,7 +3094,7 @@ fc_scsi_scan_rport(struct work_struct *work)
* This routine assumes no locks are held on entry.
*/
static int
-fc_vport_create(struct Scsi_Host *shost, int channel, struct device *pdev,
+fc_vport_setup(struct Scsi_Host *shost, int channel, struct device *pdev,
struct fc_vport_identifiers *ids, struct fc_vport **ret_vport)
{
struct fc_host_attrs *fc_host = shost_to_fc_host(shost);
@@ -3231,6 +3207,28 @@ delete_vport:
return error;
}
+/**
+ * fc_vport_create - Admin App or LLDD requests creation of a vport
+ * @shost: scsi host the virtual port is connected to.
+ * @channel: channel on shost port connected to.
+ * @ids: The world wide names, FC4 port roles, etc for
+ * the virtual port.
+ *
+ * Notes:
+ * This routine assumes no locks are held on entry.
+ */
+struct fc_vport *
+fc_vport_create(struct Scsi_Host *shost, int channel,
+ struct fc_vport_identifiers *ids)
+{
+ int stat;
+ struct fc_vport *vport;
+
+ stat = fc_vport_setup(shost, channel, &shost->shost_gendev,
+ ids, &vport);
+ return stat ? NULL : vport;
+}
+EXPORT_SYMBOL(fc_vport_create);
/**
* fc_vport_terminate - Admin App or LLDD requests termination of a vport
diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c
index 043c3921164..0ce5f7cdfe2 100644
--- a/drivers/scsi/scsi_transport_iscsi.c
+++ b/drivers/scsi/scsi_transport_iscsi.c
@@ -1361,7 +1361,7 @@ iscsi_tgt_dscvr(struct iscsi_transport *transport,
return -EINVAL;
shost = scsi_host_lookup(ev->u.tgt_dscvr.host_no);
- if (IS_ERR(shost)) {
+ if (!shost) {
printk(KERN_ERR "target discovery could not find host no %u\n",
ev->u.tgt_dscvr.host_no);
return -ENODEV;
@@ -1387,7 +1387,7 @@ iscsi_set_host_param(struct iscsi_transport *transport,
return -ENOSYS;
shost = scsi_host_lookup(ev->u.set_host_param.host_no);
- if (IS_ERR(shost)) {
+ if (!shost) {
printk(KERN_ERR "set_host_param could not find host no %u\n",
ev->u.set_host_param.host_no);
return -ENODEV;
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index c0cf4acda7d..a7b53be6336 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -47,6 +47,7 @@
#include <linux/blkpg.h>
#include <linux/delay.h>
#include <linux/mutex.h>
+#include <linux/string_helpers.h>
#include <asm/uaccess.h>
#include <scsi/scsi.h>
@@ -1433,27 +1434,21 @@ got_data:
*/
sector_size = 512;
}
+ blk_queue_hardsect_size(sdp->request_queue, sector_size);
+
{
- /*
- * The msdos fs needs to know the hardware sector size
- * So I have created this table. See ll_rw_blk.c
- * Jacques Gelinas (Jacques@solucorp.qc.ca)
- */
- int hard_sector = sector_size;
- sector_t sz = (sdkp->capacity/2) * (hard_sector/256);
- struct request_queue *queue = sdp->request_queue;
- sector_t mb = sz;
+ char cap_str_2[10], cap_str_10[10];
+ u64 sz = sdkp->capacity << ffz(~sector_size);
- blk_queue_hardsect_size(queue, hard_sector);
- /* avoid 64-bit division on 32-bit platforms */
- sector_div(sz, 625);
- mb -= sz - 974;
- sector_div(mb, 1950);
+ string_get_size(sz, STRING_UNITS_2, cap_str_2,
+ sizeof(cap_str_2));
+ string_get_size(sz, STRING_UNITS_10, cap_str_10,
+ sizeof(cap_str_10));
sd_printk(KERN_NOTICE, sdkp,
- "%llu %d-byte hardware sectors (%llu MB)\n",
+ "%llu %d-byte hardware sectors: (%s/%s)\n",
(unsigned long long)sdkp->capacity,
- hard_sector, (unsigned long long)mb);
+ sector_size, cap_str_10, cap_str_2);
}
/* Rescale capacity to 512-byte units */
diff --git a/drivers/scsi/tmscsim.c b/drivers/scsi/tmscsim.c
index 1723d71cbf3..69ac6e590f1 100644
--- a/drivers/scsi/tmscsim.c
+++ b/drivers/scsi/tmscsim.c
@@ -2573,8 +2573,8 @@ static struct pci_driver dc390_driver = {
static int __init dc390_module_init(void)
{
if (!disable_clustering)
- printk(KERN_INFO "DC390: clustering now enabled by default. If you get problems load\n"
- "\twith \"disable_clustering=1\" and report to maintainers\n");
+ printk(KERN_INFO "DC390: clustering now enabled by default. If you get problems load\n");
+ printk(KERN_INFO " with \"disable_clustering=1\" and report to maintainers\n");
if (tmscsim[0] == -1 || tmscsim[0] > 15) {
tmscsim[0] = 7;