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linux-davinci
Commit ed09441d authored by Linus Torvalds's avatar Linus Torvalds
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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: (39 commits)
  [SCSI] sd: fix compile failure with CONFIG_BLK_DEV_INTEGRITY=n
  libiscsi: fix locking in iscsi_eh_device_reset
  libiscsi: check reason why we are stopping iscsi session to determine error value
  [SCSI] iscsi_tcp: return a descriptive error value during connection errors
  [SCSI] libiscsi: rename host reset to target reset
  [SCSI] iscsi class: fix endpoint id handling
  [SCSI] libiscsi: Support drivers initiating session removal
  [SCSI] libiscsi: fix data corruption when target has to resend data-in packets
  [SCSI] sd: Switch kernel printing level for DIF messages
  [SCSI] sd: Correctly handle all combinations of DIF and DIX
  [SCSI] sd: Always print actual protection_type
  [SCSI] sd: Issue correct protection operation
  [SCSI] scsi_error: fix target reset handling
  [SCSI] lpfc 8.2.8 v2 : Add statistical reporting control and additional fc vendor events
  [SCSI] lpfc 8.2.8 v2 : Add sysfs control of target queue depth handling
  [SCSI] lpfc 8.2.8 v2 : Revert target busy in favor of transport disrupted
  [SCSI] scsi_dh_alua: remove REQ_NOMERGE
  [SCSI] lpfc 8.2.8 : update driver version to 8.2.8
  [SCSI] lpfc 8.2.8 : Add MSI-X support
  [SCSI] lpfc 8.2.8 : Update driver to use new Host byte error code DID_TRANSPORT_DISRUPTED
  ...
parents b225ee5b 4c393e6e
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Showing with 8003 additions and 1111 deletions
block/blk-core.c
View file @ ed09441d
......@@ -1075,8 +1075,15 @@ void init_request_from_bio(struct request *req, struct bio *bio)
/*
* inherit FAILFAST from bio (for read-ahead, and explicit FAILFAST)
*/
if (bio_rw_ahead(bio) || bio_failfast(bio))
req->cmd_flags |= REQ_FAILFAST;
if (bio_rw_ahead(bio))
req->cmd_flags |= (REQ_FAILFAST_DEV | REQ_FAILFAST_TRANSPORT |
REQ_FAILFAST_DRIVER);
if (bio_failfast_dev(bio))
req->cmd_flags |= REQ_FAILFAST_DEV;
if (bio_failfast_transport(bio))
req->cmd_flags |= REQ_FAILFAST_TRANSPORT;
if (bio_failfast_driver(bio))
req->cmd_flags |= REQ_FAILFAST_DRIVER;
/*
* REQ_BARRIER implies no merging, but lets make it explicit
......
drivers/infiniband/ulp/iser/iscsi_iser.c
View file @ ed09441d
......@@ -378,6 +378,7 @@ static void iscsi_iser_session_destroy(struct iscsi_cls_session *cls_session)
{
struct Scsi_Host *shost = iscsi_session_to_shost(cls_session);
iscsi_session_teardown(cls_session);
iscsi_host_remove(shost);
iscsi_host_free(shost);
}
......@@ -597,7 +598,7 @@ static struct scsi_host_template iscsi_iser_sht = {
.cmd_per_lun = ISCSI_MAX_CMD_PER_LUN,
.eh_abort_handler = iscsi_eh_abort,
.eh_device_reset_handler= iscsi_eh_device_reset,
.eh_host_reset_handler = iscsi_eh_host_reset,
.eh_target_reset_handler= iscsi_eh_target_reset,
.use_clustering = DISABLE_CLUSTERING,
.proc_name = "iscsi_iser",
.this_id = -1,
......
drivers/md/dm-mpath.c
View file @ ed09441d
......@@ -849,7 +849,7 @@ static int multipath_map(struct dm_target *ti, struct bio *bio,
dm_bio_record(&mpio->details, bio);
map_context->ptr = mpio;
bio->bi_rw |= (1 << BIO_RW_FAILFAST);
bio->bi_rw |= (1 << BIO_RW_FAILFAST_TRANSPORT);
r = map_io(m, bio, mpio, 0);
if (r < 0 || r == DM_MAPIO_REQUEUE)
mempool_free(mpio, m->mpio_pool);
......
drivers/md/multipath.c
View file @ ed09441d
......@@ -167,7 +167,7 @@ static int multipath_make_request (struct request_queue *q, struct bio * bio)
mp_bh->bio = *bio;
mp_bh->bio.bi_sector += multipath->rdev->data_offset;
mp_bh->bio.bi_bdev = multipath->rdev->bdev;
mp_bh->bio.bi_rw |= (1 << BIO_RW_FAILFAST);
mp_bh->bio.bi_rw |= (1 << BIO_RW_FAILFAST_TRANSPORT);
mp_bh->bio.bi_end_io = multipath_end_request;
mp_bh->bio.bi_private = mp_bh;
generic_make_request(&mp_bh->bio);
......@@ -393,7 +393,7 @@ static void multipathd (mddev_t *mddev)
*bio = *(mp_bh->master_bio);
bio->bi_sector += conf->multipaths[mp_bh->path].rdev->data_offset;
bio->bi_bdev = conf->multipaths[mp_bh->path].rdev->bdev;
bio->bi_rw |= (1 << BIO_RW_FAILFAST);
bio->bi_rw |= (1 << BIO_RW_FAILFAST_TRANSPORT);
bio->bi_end_io = multipath_end_request;
bio->bi_private = mp_bh;
generic_make_request(bio);
......
drivers/s390/block/dasd_diag.c
View file @ ed09441d
......@@ -544,7 +544,7 @@ static struct dasd_ccw_req *dasd_diag_build_cp(struct dasd_device *memdev,
}
cqr->retries = DIAG_MAX_RETRIES;
cqr->buildclk = get_clock();
if (req->cmd_flags & REQ_FAILFAST)
if (blk_noretry_request(req))
set_bit(DASD_CQR_FLAGS_FAILFAST, &cqr->flags);
cqr->startdev = memdev;
cqr->memdev = memdev;
......
drivers/s390/block/dasd_eckd.c
View file @ ed09441d
......@@ -1700,7 +1700,7 @@ static struct dasd_ccw_req *dasd_eckd_build_cp(struct dasd_device *startdev,
recid++;
}
}
if (req->cmd_flags & REQ_FAILFAST)
if (blk_noretry_request(req))
set_bit(DASD_CQR_FLAGS_FAILFAST, &cqr->flags);
cqr->startdev = startdev;
cqr->memdev = startdev;
......
drivers/s390/block/dasd_fba.c
View file @ ed09441d
......@@ -355,7 +355,7 @@ static struct dasd_ccw_req *dasd_fba_build_cp(struct dasd_device * memdev,
recid++;
}
}
if (req->cmd_flags & REQ_FAILFAST)
if (blk_noretry_request(req))
set_bit(DASD_CQR_FLAGS_FAILFAST, &cqr->flags);
cqr->startdev = memdev;
cqr->memdev = memdev;
......
drivers/scsi/constants.c
View file @ ed09441d
......@@ -1364,7 +1364,8 @@ EXPORT_SYMBOL(scsi_print_sense);
static const char * const hostbyte_table[]={
"DID_OK", "DID_NO_CONNECT", "DID_BUS_BUSY", "DID_TIME_OUT", "DID_BAD_TARGET",
"DID_ABORT", "DID_PARITY", "DID_ERROR", "DID_RESET", "DID_BAD_INTR",
"DID_PASSTHROUGH", "DID_SOFT_ERROR", "DID_IMM_RETRY", "DID_REQUEUE"};
"DID_PASSTHROUGH", "DID_SOFT_ERROR", "DID_IMM_RETRY", "DID_REQUEUE",
"DID_TRANSPORT_DISRUPTED", "DID_TRANSPORT_FAILFAST" };
#define NUM_HOSTBYTE_STRS ARRAY_SIZE(hostbyte_table)
static const char * const driverbyte_table[]={
......
drivers/scsi/device_handler/scsi_dh_alua.c
View file @ ed09441d
......@@ -109,7 +109,8 @@ static struct request *get_alua_req(struct scsi_device *sdev,
}
rq->cmd_type = REQ_TYPE_BLOCK_PC;
rq->cmd_flags |= REQ_FAILFAST | REQ_NOMERGE;
rq->cmd_flags |= REQ_FAILFAST_DEV | REQ_FAILFAST_TRANSPORT |
REQ_FAILFAST_DRIVER;
rq->retries = ALUA_FAILOVER_RETRIES;
rq->timeout = ALUA_FAILOVER_TIMEOUT;
......
drivers/scsi/device_handler/scsi_dh_emc.c
View file @ ed09441d
......@@ -303,7 +303,8 @@ static struct request *get_req(struct scsi_device *sdev, int cmd,
rq->cmd[4] = len;
rq->cmd_type = REQ_TYPE_BLOCK_PC;
rq->cmd_flags |= REQ_FAILFAST;
rq->cmd_flags |= REQ_FAILFAST_DEV | REQ_FAILFAST_TRANSPORT |
REQ_FAILFAST_DRIVER;
rq->timeout = CLARIION_TIMEOUT;
rq->retries = CLARIION_RETRIES;
......
drivers/scsi/device_handler/scsi_dh_hp_sw.c
View file @ ed09441d
......@@ -112,7 +112,8 @@ static int hp_sw_tur(struct scsi_device *sdev, struct hp_sw_dh_data *h)
return SCSI_DH_RES_TEMP_UNAVAIL;
req->cmd_type = REQ_TYPE_BLOCK_PC;
req->cmd_flags |= REQ_FAILFAST;
req->cmd_flags |= REQ_FAILFAST_DEV | REQ_FAILFAST_TRANSPORT |
REQ_FAILFAST_DRIVER;
req->cmd_len = COMMAND_SIZE(TEST_UNIT_READY);
req->cmd[0] = TEST_UNIT_READY;
req->timeout = HP_SW_TIMEOUT;
......@@ -204,7 +205,8 @@ static int hp_sw_start_stop(struct scsi_device *sdev, struct hp_sw_dh_data *h)
return SCSI_DH_RES_TEMP_UNAVAIL;
req->cmd_type = REQ_TYPE_BLOCK_PC;
req->cmd_flags |= REQ_FAILFAST;
req->cmd_flags |= REQ_FAILFAST_DEV | REQ_FAILFAST_TRANSPORT |
REQ_FAILFAST_DRIVER;
req->cmd_len = COMMAND_SIZE(START_STOP);
req->cmd[0] = START_STOP;
req->cmd[4] = 1; /* Start spin cycle */
......
drivers/scsi/device_handler/scsi_dh_rdac.c
View file @ ed09441d
......@@ -226,7 +226,8 @@ static struct request *get_rdac_req(struct scsi_device *sdev,
}
rq->cmd_type = REQ_TYPE_BLOCK_PC;
rq->cmd_flags |= REQ_FAILFAST | REQ_NOMERGE;
rq->cmd_flags |= REQ_FAILFAST_DEV | REQ_FAILFAST_TRANSPORT |
REQ_FAILFAST_DRIVER;
rq->retries = RDAC_RETRIES;
rq->timeout = RDAC_TIMEOUT;
......
drivers/scsi/ibmvscsi/ibmvfc.c
View file @ ed09441d
......@@ -2031,8 +2031,6 @@ static void ibmvfc_terminate_rport_io(struct fc_rport *rport)
spin_unlock_irqrestore(shost->host_lock, flags);
} else
ibmvfc_issue_fc_host_lip(shost);
scsi_target_unblock(&rport->dev);
LEAVE;
}
......
drivers/scsi/iscsi_tcp.c
View file @ ed09441d
......@@ -523,22 +523,20 @@ iscsi_tcp_cleanup_task(struct iscsi_conn *conn, struct iscsi_task *task)
}
/**
* iscsi_data_rsp - SCSI Data-In Response processing
* iscsi_data_in - SCSI Data-In Response processing
* @conn: iscsi connection
* @task: scsi command task
**/
static int
iscsi_data_rsp(struct iscsi_conn *conn, struct iscsi_task *task)
iscsi_data_in(struct iscsi_conn *conn, struct iscsi_task *task)
{
struct iscsi_tcp_conn *tcp_conn = conn->dd_data;
struct iscsi_tcp_task *tcp_task = task->dd_data;
struct iscsi_data_rsp *rhdr = (struct iscsi_data_rsp *)tcp_conn->in.hdr;
struct iscsi_session *session = conn->session;
struct scsi_cmnd *sc = task->sc;
int datasn = be32_to_cpu(rhdr->datasn);
unsigned total_in_length = scsi_in(sc)->length;
unsigned total_in_length = scsi_in(task->sc)->length;
iscsi_update_cmdsn(session, (struct iscsi_nopin*)rhdr);
iscsi_update_cmdsn(conn->session, (struct iscsi_nopin*)rhdr);
if (tcp_conn->in.datalen == 0)
return 0;
......@@ -558,23 +556,6 @@ iscsi_data_rsp(struct iscsi_conn *conn, struct iscsi_task *task)
return ISCSI_ERR_DATA_OFFSET;
}
if (rhdr->flags & ISCSI_FLAG_DATA_STATUS) {
sc->result = (DID_OK << 16) | rhdr->cmd_status;
conn->exp_statsn = be32_to_cpu(rhdr->statsn) + 1;
if (rhdr->flags & (ISCSI_FLAG_DATA_UNDERFLOW |
ISCSI_FLAG_DATA_OVERFLOW)) {
int res_count = be32_to_cpu(rhdr->residual_count);
if (res_count > 0 &&
(rhdr->flags & ISCSI_FLAG_CMD_OVERFLOW ||
res_count <= total_in_length))
scsi_in(sc)->resid = res_count;
else
sc->result = (DID_BAD_TARGET << 16) |
rhdr->cmd_status;
}
}
conn->datain_pdus_cnt++;
return 0;
}
......@@ -774,7 +755,7 @@ iscsi_tcp_hdr_dissect(struct iscsi_conn *conn, struct iscsi_hdr *hdr)
if (!task)
rc = ISCSI_ERR_BAD_ITT;
else
rc = iscsi_data_rsp(conn, task);
rc = iscsi_data_in(conn, task);
if (rc) {
spin_unlock(&conn->session->lock);
break;
......@@ -998,7 +979,7 @@ iscsi_tcp_recv(read_descriptor_t *rd_desc, struct sk_buff *skb,
error:
debug_tcp("Error receiving PDU, errno=%d\n", rc);
iscsi_conn_failure(conn, ISCSI_ERR_CONN_FAILED);
iscsi_conn_failure(conn, rc);
return 0;
}
......@@ -1117,8 +1098,10 @@ iscsi_xmit(struct iscsi_conn *conn)
while (1) {
rc = iscsi_tcp_xmit_segment(tcp_conn, segment);
if (rc < 0)
if (rc < 0) {
rc = ISCSI_ERR_XMIT_FAILED;
goto error;
}
if (rc == 0)
break;
......@@ -1127,7 +1110,7 @@ iscsi_xmit(struct iscsi_conn *conn)
if (segment->total_copied >= segment->total_size) {
if (segment->done != NULL) {
rc = segment->done(tcp_conn, segment);
if (rc < 0)
if (rc != 0)
goto error;
}
}
......@@ -1142,8 +1125,8 @@ error:
/* Transmit error. We could initiate error recovery
* here. */
debug_tcp("Error sending PDU, errno=%d\n", rc);
iscsi_conn_failure(conn, ISCSI_ERR_CONN_FAILED);
return rc;
iscsi_conn_failure(conn, rc);
return -EIO;
}
/**
......@@ -1904,6 +1887,7 @@ static void iscsi_tcp_session_destroy(struct iscsi_cls_session *cls_session)
struct Scsi_Host *shost = iscsi_session_to_shost(cls_session);
iscsi_r2tpool_free(cls_session->dd_data);
iscsi_session_teardown(cls_session);
iscsi_host_remove(shost);
iscsi_host_free(shost);
......@@ -1927,7 +1911,7 @@ static struct scsi_host_template iscsi_sht = {
.cmd_per_lun = ISCSI_DEF_CMD_PER_LUN,
.eh_abort_handler = iscsi_eh_abort,
.eh_device_reset_handler= iscsi_eh_device_reset,
.eh_host_reset_handler = iscsi_eh_host_reset,
.eh_target_reset_handler= iscsi_eh_target_reset,
.use_clustering = DISABLE_CLUSTERING,
.slave_configure = iscsi_tcp_slave_configure,
.proc_name = "iscsi_tcp",
......
drivers/scsi/libiscsi.c
View file @ ed09441d
This diff is collapsed.
drivers/scsi/lpfc/lpfc.h
View file @ ed09441d
......@@ -34,7 +34,14 @@ struct lpfc_sli2_slim;
#define LPFC_IOCB_LIST_CNT 2250 /* list of IOCBs for fast-path usage. */
#define LPFC_Q_RAMP_UP_INTERVAL 120 /* lun q_depth ramp up interval */
#define LPFC_VNAME_LEN 100 /* vport symbolic name length */
#define LPFC_TGTQ_INTERVAL 40000 /* Min amount of time between tgt
queue depth change in millisecs */
#define LPFC_TGTQ_RAMPUP_PCENT 5 /* Target queue rampup in percentage */
#define LPFC_MIN_TGT_QDEPTH 100
#define LPFC_MAX_TGT_QDEPTH 0xFFFF
#define LPFC_MAX_BUCKET_COUNT 20 /* Maximum no. of buckets for stat data
collection. */
/*
* Following time intervals are used of adjusting SCSI device
* queue depths when there are driver resource error or Firmware
......@@ -49,6 +56,9 @@ struct lpfc_sli2_slim;
#define LPFC_HB_MBOX_INTERVAL 5 /* Heart beat interval in seconds. */
#define LPFC_HB_MBOX_TIMEOUT 30 /* Heart beat timeout in seconds. */
/* Error Attention event polling interval */
#define LPFC_ERATT_POLL_INTERVAL 5 /* EATT poll interval in seconds */
/* Define macros for 64 bit support */
#define putPaddrLow(addr) ((uint32_t) (0xffffffff & (u64)(addr)))
#define putPaddrHigh(addr) ((uint32_t) (0xffffffff & (((u64)(addr))>>32)))
......@@ -60,6 +70,9 @@ struct lpfc_sli2_slim;
#define MAX_HBAEVT 32
/* Number of MSI-X vectors the driver uses */
#define LPFC_MSIX_VECTORS 2
/* lpfc wait event data ready flag */
#define LPFC_DATA_READY (1<<0)
......@@ -357,6 +370,7 @@ struct lpfc_vport {
uint32_t cfg_log_verbose;
uint32_t cfg_max_luns;
uint32_t cfg_enable_da_id;
uint32_t cfg_max_scsicmpl_time;
uint32_t dev_loss_tmo_changed;
......@@ -369,6 +383,8 @@ struct lpfc_vport {
struct lpfc_debugfs_trc *disc_trc;
atomic_t disc_trc_cnt;
#endif
uint8_t stat_data_enabled;
uint8_t stat_data_blocked;
};
struct hbq_s {
......@@ -407,10 +423,11 @@ struct lpfc_hba {
struct lpfc_sli sli;
uint32_t sli_rev; /* SLI2 or SLI3 */
uint32_t sli3_options; /* Mask of enabled SLI3 options */
#define LPFC_SLI3_ENABLED 0x01
#define LPFC_SLI3_HBQ_ENABLED 0x02
#define LPFC_SLI3_NPIV_ENABLED 0x04
#define LPFC_SLI3_VPORT_TEARDOWN 0x08
#define LPFC_SLI3_HBQ_ENABLED 0x01
#define LPFC_SLI3_NPIV_ENABLED 0x02
#define LPFC_SLI3_VPORT_TEARDOWN 0x04
#define LPFC_SLI3_CRP_ENABLED 0x08
#define LPFC_SLI3_INB_ENABLED 0x10
uint32_t iocb_cmd_size;
uint32_t iocb_rsp_size;
......@@ -422,10 +439,20 @@ struct lpfc_hba {
#define LS_NPIV_FAB_SUPPORTED 0x2 /* Fabric supports NPIV */
#define LS_IGNORE_ERATT 0x4 /* intr handler should ignore ERATT */
struct lpfc_sli2_slim *slim2p;
struct lpfc_dmabuf hbqslimp;
uint32_t hba_flag; /* hba generic flags */
#define HBA_ERATT_HANDLED 0x1 /* This flag is set when eratt handled */
struct lpfc_dmabuf slim2p;
dma_addr_t slim2p_mapping;
MAILBOX_t *mbox;
uint32_t *inb_ha_copy;
uint32_t *inb_counter;
uint32_t inb_last_counter;
uint32_t ha_copy;
struct _PCB *pcb;
struct _IOCB *IOCBs;
struct lpfc_dmabuf hbqslimp;
uint16_t pci_cfg_value;
......@@ -492,7 +519,7 @@ struct lpfc_hba {
wait_queue_head_t work_waitq;
struct task_struct *worker_thread;
long data_flags;
unsigned long data_flags;
uint32_t hbq_in_use; /* HBQs in use flag */
struct list_head hbqbuf_in_list; /* in-fly hbq buffer list */
......@@ -514,6 +541,7 @@ struct lpfc_hba {
void __iomem *HCregaddr; /* virtual address for host ctl reg */
struct lpfc_hgp __iomem *host_gp; /* Host side get/put pointers */
struct lpfc_pgp *port_gp;
uint32_t __iomem *hbq_put; /* Address in SLIM to HBQ put ptrs */
uint32_t *hbq_get; /* Host mem address of HBQ get ptrs */
......@@ -536,6 +564,7 @@ struct lpfc_hba {
uint8_t soft_wwn_enable;
struct timer_list fcp_poll_timer;
struct timer_list eratt_poll;
/*
* stat counters
......@@ -565,7 +594,7 @@ struct lpfc_hba {
struct fc_host_statistics link_stats;
enum intr_type_t intr_type;
struct msix_entry msix_entries[1];
struct msix_entry msix_entries[LPFC_MSIX_VECTORS];
struct list_head port_list;
struct lpfc_vport *pport; /* physical lpfc_vport pointer */
......@@ -605,6 +634,7 @@ struct lpfc_hba {
unsigned long last_completion_time;
struct timer_list hb_tmofunc;
uint8_t hb_outstanding;
enum hba_temp_state over_temp_state;
/* ndlp reference management */
spinlock_t ndlp_lock;
/*
......@@ -613,7 +643,19 @@ struct lpfc_hba {
*/
#define QUE_BUFTAG_BIT (1<<31)
uint32_t buffer_tag_count;
enum hba_temp_state over_temp_state;
int wait_4_mlo_maint_flg;
wait_queue_head_t wait_4_mlo_m_q;
/* data structure used for latency data collection */
#define LPFC_NO_BUCKET 0
#define LPFC_LINEAR_BUCKET 1
#define LPFC_POWER2_BUCKET 2
uint8_t bucket_type;
uint32_t bucket_base;
uint32_t bucket_step;
/* Maximum number of events that can be outstanding at any time*/
#define LPFC_MAX_EVT_COUNT 512
atomic_t fast_event_count;
};
static inline struct Scsi_Host *
......@@ -650,15 +692,25 @@ lpfc_worker_wake_up(struct lpfc_hba *phba)
return;
}
#define FC_REG_DUMP_EVENT 0x10 /* Register for Dump events */
#define FC_REG_TEMPERATURE_EVENT 0x20 /* Register for temperature
event */
static inline void
lpfc_sli_read_hs(struct lpfc_hba *phba)
{
/*
* There was a link/board error. Read the status register to retrieve
* the error event and process it.
*/
phba->sli.slistat.err_attn_event++;
/* Save status info */
phba->work_hs = readl(phba->HSregaddr);
phba->work_status[0] = readl(phba->MBslimaddr + 0xa8);
phba->work_status[1] = readl(phba->MBslimaddr + 0xac);
/* Clear chip Host Attention error bit */
writel(HA_ERATT, phba->HAregaddr);
readl(phba->HAregaddr); /* flush */
phba->pport->stopped = 1;
return;
}
struct temp_event {
uint32_t event_type;
uint32_t event_code;
uint32_t data;
};
#define LPFC_CRIT_TEMP 0x1
#define LPFC_THRESHOLD_TEMP 0x2
#define LPFC_NORMAL_TEMP 0x3
drivers/scsi/lpfc/lpfc_attr.c
View file @ ed09441d
This diff is collapsed.
drivers/scsi/lpfc/lpfc_crtn.h
View file @ ed09441d
......@@ -18,7 +18,7 @@
* included with this package. *
*******************************************************************/
typedef int (*node_filter)(struct lpfc_nodelist *ndlp, void *param);
typedef int (*node_filter)(struct lpfc_nodelist *, void *);
struct fc_rport;
void lpfc_dump_mem(struct lpfc_hba *, LPFC_MBOXQ_t *, uint16_t);
......@@ -26,11 +26,11 @@ void lpfc_read_nv(struct lpfc_hba *, LPFC_MBOXQ_t *);
void lpfc_config_async(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t);
void lpfc_heart_beat(struct lpfc_hba *, LPFC_MBOXQ_t *);
int lpfc_read_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb,
struct lpfc_dmabuf *mp);
int lpfc_read_la(struct lpfc_hba *, LPFC_MBOXQ_t *, struct lpfc_dmabuf *);
void lpfc_clear_la(struct lpfc_hba *, LPFC_MBOXQ_t *);
void lpfc_issue_clear_la(struct lpfc_hba *phba, struct lpfc_vport *vport);
void lpfc_issue_clear_la(struct lpfc_hba *, struct lpfc_vport *);
void lpfc_config_link(struct lpfc_hba *, LPFC_MBOXQ_t *);
int lpfc_config_msi(struct lpfc_hba *, LPFC_MBOXQ_t *);
int lpfc_read_sparam(struct lpfc_hba *, LPFC_MBOXQ_t *, int);
void lpfc_read_config(struct lpfc_hba *, LPFC_MBOXQ_t *);
void lpfc_read_lnk_stat(struct lpfc_hba *, LPFC_MBOXQ_t *);
......@@ -43,7 +43,7 @@ void lpfc_unreg_vpi(struct lpfc_hba *, uint16_t, LPFC_MBOXQ_t *);
void lpfc_init_link(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t, uint32_t);
struct lpfc_vport *lpfc_find_vport_by_did(struct lpfc_hba *, uint32_t);
void lpfc_cleanup_rpis(struct lpfc_vport *vport, int remove);
void lpfc_cleanup_rpis(struct lpfc_vport *, int);
int lpfc_linkdown(struct lpfc_hba *);
void lpfc_port_link_failure(struct lpfc_vport *);
void lpfc_mbx_cmpl_read_la(struct lpfc_hba *, LPFC_MBOXQ_t *);
......@@ -135,7 +135,7 @@ void lpfc_ct_unsol_event(struct lpfc_hba *, struct lpfc_sli_ring *,
int lpfc_ns_cmd(struct lpfc_vport *, int, uint8_t, uint32_t);
int lpfc_fdmi_cmd(struct lpfc_vport *, struct lpfc_nodelist *, int);
void lpfc_fdmi_tmo(unsigned long);
void lpfc_fdmi_timeout_handler(struct lpfc_vport *vport);
void lpfc_fdmi_timeout_handler(struct lpfc_vport *);
int lpfc_config_port_prep(struct lpfc_hba *);
int lpfc_config_port_post(struct lpfc_hba *);
......@@ -155,6 +155,8 @@ int lpfc_sli_queue_setup(struct lpfc_hba *);
void lpfc_handle_eratt(struct lpfc_hba *);
void lpfc_handle_latt(struct lpfc_hba *);
irqreturn_t lpfc_intr_handler(int, void *);
irqreturn_t lpfc_sp_intr_handler(int, void *);
irqreturn_t lpfc_fp_intr_handler(int, void *);
void lpfc_read_rev(struct lpfc_hba *, LPFC_MBOXQ_t *);
void lpfc_config_ring(struct lpfc_hba *, int, LPFC_MBOXQ_t *);
......@@ -175,11 +177,12 @@ void lpfc_mem_free(struct lpfc_hba *);
void lpfc_stop_vport_timers(struct lpfc_vport *);
void lpfc_poll_timeout(unsigned long ptr);
void lpfc_poll_start_timer(struct lpfc_hba * phba);
void lpfc_sli_poll_fcp_ring(struct lpfc_hba * hba);
void lpfc_poll_start_timer(struct lpfc_hba *);
void lpfc_poll_eratt(unsigned long);
void lpfc_sli_poll_fcp_ring(struct lpfc_hba *);
struct lpfc_iocbq * lpfc_sli_get_iocbq(struct lpfc_hba *);
void lpfc_sli_release_iocbq(struct lpfc_hba * phba, struct lpfc_iocbq * iocb);
uint16_t lpfc_sli_next_iotag(struct lpfc_hba * phba, struct lpfc_iocbq * iocb);
void lpfc_sli_release_iocbq(struct lpfc_hba *, struct lpfc_iocbq *);
uint16_t lpfc_sli_next_iotag(struct lpfc_hba *, struct lpfc_iocbq *);
void lpfc_reset_barrier(struct lpfc_hba * phba);
int lpfc_sli_brdready(struct lpfc_hba *, uint32_t);
......@@ -187,11 +190,13 @@ int lpfc_sli_brdkill(struct lpfc_hba *);
int lpfc_sli_brdreset(struct lpfc_hba *);
int lpfc_sli_brdrestart(struct lpfc_hba *);
int lpfc_sli_hba_setup(struct lpfc_hba *);
int lpfc_sli_config_port(struct lpfc_hba *, int);
int lpfc_sli_host_down(struct lpfc_vport *);
int lpfc_sli_hba_down(struct lpfc_hba *);
int lpfc_sli_issue_mbox(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t);
int lpfc_sli_handle_mb_event(struct lpfc_hba *);
int lpfc_sli_flush_mbox_queue(struct lpfc_hba *);
int lpfc_sli_check_eratt(struct lpfc_hba *);
int lpfc_sli_handle_slow_ring_event(struct lpfc_hba *,
struct lpfc_sli_ring *, uint32_t);
void lpfc_sli_def_mbox_cmpl(struct lpfc_hba *, LPFC_MBOXQ_t *);
......@@ -199,6 +204,7 @@ int lpfc_sli_issue_iocb(struct lpfc_hba *, struct lpfc_sli_ring *,
struct lpfc_iocbq *, uint32_t);
void lpfc_sli_pcimem_bcopy(void *, void *, uint32_t);
void lpfc_sli_abort_iocb_ring(struct lpfc_hba *, struct lpfc_sli_ring *);
void lpfc_sli_flush_fcp_rings(struct lpfc_hba *);
int lpfc_sli_ringpostbuf_put(struct lpfc_hba *, struct lpfc_sli_ring *,
struct lpfc_dmabuf *);
struct lpfc_dmabuf *lpfc_sli_ringpostbuf_get(struct lpfc_hba *,
......@@ -226,17 +232,13 @@ struct lpfc_nodelist *lpfc_findnode_did(struct lpfc_vport *, uint32_t);
struct lpfc_nodelist *lpfc_findnode_wwpn(struct lpfc_vport *,
struct lpfc_name *);
int lpfc_sli_issue_mbox_wait(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq,
uint32_t timeout);
int lpfc_sli_issue_mbox_wait(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t);
int lpfc_sli_issue_iocb_wait(struct lpfc_hba * phba,
struct lpfc_sli_ring * pring,
struct lpfc_iocbq * piocb,
struct lpfc_iocbq * prspiocbq,
uint32_t timeout);
void lpfc_sli_abort_fcp_cmpl(struct lpfc_hba * phba,
struct lpfc_iocbq * cmdiocb,
struct lpfc_iocbq * rspiocb);
int lpfc_sli_issue_iocb_wait(struct lpfc_hba *, struct lpfc_sli_ring *,
struct lpfc_iocbq *, struct lpfc_iocbq *,
uint32_t);
void lpfc_sli_abort_fcp_cmpl(struct lpfc_hba *, struct lpfc_iocbq *,
struct lpfc_iocbq *);
void lpfc_sli_free_hbq(struct lpfc_hba *, struct hbq_dmabuf *);
......@@ -269,7 +271,7 @@ void lpfc_dev_loss_tmo_callbk(struct fc_rport *rport);
struct lpfc_vport *lpfc_create_port(struct lpfc_hba *, int, struct device *);
int lpfc_vport_disable(struct fc_vport *fc_vport, bool disable);
void lpfc_mbx_unreg_vpi(struct lpfc_vport *);
int lpfc_mbx_unreg_vpi(struct lpfc_vport *);
void destroy_port(struct lpfc_vport *);
int lpfc_get_instance(void);
void lpfc_host_attrib_init(struct Scsi_Host *);
......@@ -290,6 +292,13 @@ void lpfc_unblock_fabric_iocbs(struct lpfc_hba *);
void lpfc_adjust_queue_depth(struct lpfc_hba *);
void lpfc_ramp_down_queue_handler(struct lpfc_hba *);
void lpfc_ramp_up_queue_handler(struct lpfc_hba *);
void lpfc_scsi_dev_block(struct lpfc_hba *);
void
lpfc_send_els_failure_event(struct lpfc_hba *, struct lpfc_iocbq *,
struct lpfc_iocbq *);
struct lpfc_fast_path_event *lpfc_alloc_fast_evt(struct lpfc_hba *);
void lpfc_free_fast_evt(struct lpfc_hba *, struct lpfc_fast_path_event *);
#define ScsiResult(host_code, scsi_code) (((host_code) << 16) | scsi_code)
#define HBA_EVENT_RSCN 5
......
drivers/scsi/lpfc/lpfc_ct.c
View file @ ed09441d
......@@ -34,6 +34,7 @@
#include "lpfc_hw.h"
#include "lpfc_sli.h"
#include "lpfc_nl.h"
#include "lpfc_disc.h"
#include "lpfc_scsi.h"
#include "lpfc.h"
......@@ -134,25 +135,24 @@ lpfc_ct_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
}
list_del(&head);
} else {
struct lpfc_iocbq *next;
list_for_each_entry_safe(iocbq, next, &piocbq->list, list) {
INIT_LIST_HEAD(&head);
list_add_tail(&head, &piocbq->list);
list_for_each_entry(iocbq, &head, list) {
icmd = &iocbq->iocb;
if (icmd->ulpBdeCount == 0)
lpfc_ct_unsol_buffer(phba, piocbq, NULL, 0);
lpfc_ct_unsol_buffer(phba, iocbq, NULL, 0);
for (i = 0; i < icmd->ulpBdeCount; i++) {
paddr = getPaddr(icmd->un.cont64[i].addrHigh,
icmd->un.cont64[i].addrLow);
mp = lpfc_sli_ringpostbuf_get(phba, pring,
paddr);
size = icmd->un.cont64[i].tus.f.bdeSize;
lpfc_ct_unsol_buffer(phba, piocbq, mp, size);
lpfc_ct_unsol_buffer(phba, iocbq, mp, size);
lpfc_in_buf_free(phba, mp);
}
list_del(&iocbq->list);
lpfc_sli_release_iocbq(phba, iocbq);
lpfc_post_buffer(phba, pring, i);
}
list_del(&head);
}
}
......@@ -212,7 +212,7 @@ lpfc_alloc_ct_rsp(struct lpfc_hba *phba, int cmdcode, struct ulp_bde64 *bpl,
else
list_add_tail(&mp->list, &mlist->list);
bpl->tus.f.bdeFlags = BUFF_USE_RCV;
bpl->tus.f.bdeFlags = BUFF_TYPE_BDE_64I;
/* build buffer ptr list for IOCB */
bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
......@@ -283,7 +283,7 @@ lpfc_gen_req(struct lpfc_vport *vport, struct lpfc_dmabuf *bmp,
icmd->un.genreq64.bdl.ulpIoTag32 = 0;
icmd->un.genreq64.bdl.addrHigh = putPaddrHigh(bmp->phys);
icmd->un.genreq64.bdl.addrLow = putPaddrLow(bmp->phys);
icmd->un.genreq64.bdl.bdeFlags = BUFF_TYPE_BDL;
icmd->un.genreq64.bdl.bdeFlags = BUFF_TYPE_BLP_64;
icmd->un.genreq64.bdl.bdeSize = (num_entry * sizeof (struct ulp_bde64));
if (usr_flg)
......@@ -861,7 +861,7 @@ lpfc_cmpl_ct(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
retry++;
lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
"0216 Retrying NS cmd %x\n", cmdcode);
"0250 Retrying NS cmd %x\n", cmdcode);
rc = lpfc_ns_cmd(vport, cmdcode, retry, 0);
if (rc == 0)
goto out;
......
drivers/scsi/lpfc/lpfc_debugfs.c
View file @ ed09441d
This diff is collapsed.
drivers/scsi/lpfc/lpfc_disc.h
View file @ ed09441d
......@@ -37,6 +37,7 @@ enum lpfc_work_type {
LPFC_EVT_KILL,
LPFC_EVT_ELS_RETRY,
LPFC_EVT_DEV_LOSS,
LPFC_EVT_FASTPATH_MGMT_EVT,
};
/* structure used to queue event to the discovery tasklet */
......@@ -47,6 +48,24 @@ struct lpfc_work_evt {
enum lpfc_work_type evt;
};
struct lpfc_scsi_check_condition_event;
struct lpfc_scsi_varqueuedepth_event;
struct lpfc_scsi_event_header;
struct lpfc_fabric_event_header;
struct lpfc_fcprdchkerr_event;
/* structure used for sending events from fast path */
struct lpfc_fast_path_event {
struct lpfc_work_evt work_evt;
struct lpfc_vport *vport;
union {
struct lpfc_scsi_check_condition_event check_cond_evt;
struct lpfc_scsi_varqueuedepth_event queue_depth_evt;
struct lpfc_scsi_event_header scsi_evt;
struct lpfc_fabric_event_header fabric_evt;
struct lpfc_fcprdchkerr_event read_check_error;
} un;
};
struct lpfc_nodelist {
struct list_head nlp_listp;
......@@ -88,6 +107,10 @@ struct lpfc_nodelist {
unsigned long last_ramp_up_time; /* jiffy of last ramp up */
unsigned long last_q_full_time; /* jiffy of last queue full */
struct kref kref;
atomic_t cmd_pending;
uint32_t cmd_qdepth;
unsigned long last_change_time;
struct lpfc_scsicmd_bkt *lat_data; /* Latency data */
};
/* Defines for nlp_flag (uint32) */
......
drivers/scsi/lpfc/lpfc_els.c
View file @ ed09441d
This diff is collapsed.
drivers/scsi/lpfc/lpfc_hbadisc.c
View file @ ed09441d
This diff is collapsed.
drivers/scsi/lpfc/lpfc_hw.h
View file @ ed09441d
This diff is collapsed.
drivers/scsi/lpfc/lpfc_init.c
View file @ ed09441d
This diff is collapsed.
drivers/scsi/lpfc/lpfc_mbox.c
View file @ ed09441d
This diff is collapsed.
drivers/scsi/lpfc/lpfc_mem.c
View file @ ed09441d
/*******************************************************************
* This file is part of the Emulex Linux Device Driver for *
* Fibre Channel Host Bus Adapters. *
* Copyright (C) 2004-2006 Emulex. All rights reserved. *
* Copyright (C) 2004-2008 Emulex. All rights reserved. *
* EMULEX and SLI are trademarks of Emulex. *
* www.emulex.com *
* Portions Copyright (C) 2004-2005 Christoph Hellwig *
......@@ -30,6 +30,7 @@
#include "lpfc_hw.h"
#include "lpfc_sli.h"
#include "lpfc_nl.h"
#include "lpfc_disc.h"
#include "lpfc_scsi.h"
#include "lpfc.h"
......@@ -39,7 +40,21 @@
#define LPFC_MEM_POOL_SIZE 64 /* max elem in non-DMA safety pool */
/**
* lpfc_mem_alloc: create and allocate all PCI and memory pools
* @phba: HBA to allocate pools for
*
* Description: Creates and allocates PCI pools lpfc_scsi_dma_buf_pool,
* lpfc_mbuf_pool, lpfc_hbq_pool. Creates and allocates kmalloc-backed mempools
* for LPFC_MBOXQ_t and lpfc_nodelist. Also allocates the VPI bitmask.
*
* Notes: Not interrupt-safe. Must be called with no locks held. If any
* allocation fails, frees all successfully allocated memory before returning.
*
* Returns:
* 0 on success
* -ENOMEM on failure (if any memory allocations fail)
**/
int
lpfc_mem_alloc(struct lpfc_hba * phba)
{
......@@ -120,6 +135,16 @@ lpfc_mem_alloc(struct lpfc_hba * phba)
return -ENOMEM;
}
/**
* lpfc_mem_free: Frees all PCI and memory allocated by lpfc_mem_alloc
* @phba: HBA to free memory for
*
* Description: Frees PCI pools lpfc_scsi_dma_buf_pool, lpfc_mbuf_pool,
* lpfc_hbq_pool. Frees kmalloc-backed mempools for LPFC_MBOXQ_t and
* lpfc_nodelist. Also frees the VPI bitmask.
*
* Returns: None
**/
void
lpfc_mem_free(struct lpfc_hba * phba)
{
......@@ -181,12 +206,29 @@ lpfc_mem_free(struct lpfc_hba * phba)
phba->lpfc_scsi_dma_buf_pool = NULL;
phba->lpfc_mbuf_pool = NULL;
/* Free the iocb lookup array */
/* Free the iocb lookup array */
kfree(psli->iocbq_lookup);
psli->iocbq_lookup = NULL;
}
/**
* lpfc_mbuf_alloc: Allocate an mbuf from the lpfc_mbuf_pool PCI pool
* @phba: HBA which owns the pool to allocate from
* @mem_flags: indicates if this is a priority (MEM_PRI) allocation
* @handle: used to return the DMA-mapped address of the mbuf
*
* Description: Allocates a DMA-mapped buffer from the lpfc_mbuf_pool PCI pool.
* Allocates from generic pci_pool_alloc function first and if that fails and
* mem_flags has MEM_PRI set (the only defined flag), returns an mbuf from the
* HBA's pool.
*
* Notes: Not interrupt-safe. Must be called with no locks held. Takes
* phba->hbalock.
*
* Returns:
* pointer to the allocated mbuf on success
* NULL on failure
**/
void *
lpfc_mbuf_alloc(struct lpfc_hba *phba, int mem_flags, dma_addr_t *handle)
{
......@@ -206,6 +248,20 @@ lpfc_mbuf_alloc(struct lpfc_hba *phba, int mem_flags, dma_addr_t *handle)
return ret;
}
/**
* __lpfc_mem_free: Free an mbuf from the lpfc_mbuf_pool PCI pool (locked)
* @phba: HBA which owns the pool to return to
* @virt: mbuf to free
* @dma: the DMA-mapped address of the lpfc_mbuf_pool to be freed
*
* Description: Returns an mbuf lpfc_mbuf_pool to the lpfc_mbuf_safety_pool if
* it is below its max_count, frees the mbuf otherwise.
*
* Notes: Must be called with phba->hbalock held to synchronize access to
* lpfc_mbuf_safety_pool.
*
* Returns: None
**/
void
__lpfc_mbuf_free(struct lpfc_hba * phba, void *virt, dma_addr_t dma)
{
......@@ -221,7 +277,21 @@ __lpfc_mbuf_free(struct lpfc_hba * phba, void *virt, dma_addr_t dma)
return;
}
/**
* lpfc_mem_free: Free an mbuf from the lpfc_mbuf_pool PCI pool (unlocked)
* @phba: HBA which owns the pool to return to
* @virt: mbuf to free
* @dma: the DMA-mapped address of the lpfc_mbuf_pool to be freed
*
* Description: Returns an mbuf lpfc_mbuf_pool to the lpfc_mbuf_safety_pool if
* it is below its max_count, frees the mbuf otherwise.
*
* Notes: Takes phba->hbalock. Can be called with or without other locks held.
*
* Returns: None
**/
void
lpfc_mbuf_free(struct lpfc_hba * phba, void *virt, dma_addr_t dma)
{
unsigned long iflags;
......@@ -232,6 +302,19 @@ lpfc_mbuf_free(struct lpfc_hba * phba, void *virt, dma_addr_t dma)
return;
}
/**
* lpfc_els_hbq_alloc: Allocate an HBQ buffer
* @phba: HBA to allocate HBQ buffer for
*
* Description: Allocates a DMA-mapped HBQ buffer from the lpfc_hbq_pool PCI
* pool along a non-DMA-mapped container for it.
*
* Notes: Not interrupt-safe. Must be called with no locks held.
*
* Returns:
* pointer to HBQ on success
* NULL on failure
**/
struct hbq_dmabuf *
lpfc_els_hbq_alloc(struct lpfc_hba *phba)
{
......@@ -251,6 +334,18 @@ lpfc_els_hbq_alloc(struct lpfc_hba *phba)
return hbqbp;
}
/**
* lpfc_mem_hbq_free: Frees an HBQ buffer allocated with lpfc_els_hbq_alloc
* @phba: HBA buffer was allocated for
* @hbqbp: HBQ container returned by lpfc_els_hbq_alloc
*
* Description: Frees both the container and the DMA-mapped buffer returned by
* lpfc_els_hbq_alloc.
*
* Notes: Can be called with or without locks held.
*
* Returns: None
**/
void
lpfc_els_hbq_free(struct lpfc_hba *phba, struct hbq_dmabuf *hbqbp)
{
......@@ -259,7 +354,18 @@ lpfc_els_hbq_free(struct lpfc_hba *phba, struct hbq_dmabuf *hbqbp)
return;
}
/* This is ONLY called for the LPFC_ELS_HBQ */
/**
* lpfc_in_buf_free: Free a DMA buffer
* @phba: HBA buffer is associated with
* @mp: Buffer to free
*
* Description: Frees the given DMA buffer in the appropriate way given if the
* HBA is running in SLI3 mode with HBQs enabled.
*
* Notes: Takes phba->hbalock. Can be called with or without other locks held.
*
* Returns: None
**/
void
lpfc_in_buf_free(struct lpfc_hba *phba, struct lpfc_dmabuf *mp)
{
......
drivers/scsi/lpfc/lpfc_nl.h 0 → 100644
View file @ ed09441d
/*******************************************************************
* This file is part of the Emulex Linux Device Driver for *
* Fibre Channel Host Bus Adapters. *
* Copyright (C) 2008 Emulex. All rights reserved. *
* EMULEX and SLI are trademarks of Emulex. *
* www.emulex.com *
* *
* This program is free software; you can redistribute it and/or *
* modify it under the terms of version 2 of the GNU General *
* Public License as published by the Free Software Foundation. *
* This program is distributed in the hope that it will be useful. *
* ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND *
* WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, *
* FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE *
* DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
* TO BE LEGALLY INVALID. See the GNU General Public License for *
* more details, a copy of which can be found in the file COPYING *
* included with this package. *
*******************************************************************/
/* Event definitions for RegisterForEvent */
#define FC_REG_LINK_EVENT 0x0001 /* link up / down events */
#define FC_REG_RSCN_EVENT 0x0002 /* RSCN events */
#define FC_REG_CT_EVENT 0x0004 /* CT request events */
#define FC_REG_DUMP_EVENT 0x0008 /* Dump events */
#define FC_REG_TEMPERATURE_EVENT 0x0010 /* temperature events */
#define FC_REG_ELS_EVENT 0x0020 /* lpfc els events */
#define FC_REG_FABRIC_EVENT 0x0040 /* lpfc fabric events */
#define FC_REG_SCSI_EVENT 0x0080 /* lpfc scsi events */
#define FC_REG_BOARD_EVENT 0x0100 /* lpfc board events */
#define FC_REG_ADAPTER_EVENT 0x0200 /* lpfc adapter events */
#define FC_REG_EVENT_MASK (FC_REG_LINK_EVENT | \
FC_REG_RSCN_EVENT | \
FC_REG_CT_EVENT | \
FC_REG_DUMP_EVENT | \
FC_REG_TEMPERATURE_EVENT | \
FC_REG_ELS_EVENT | \
FC_REG_FABRIC_EVENT | \
FC_REG_SCSI_EVENT | \
FC_REG_BOARD_EVENT | \
FC_REG_ADAPTER_EVENT)
/* Temperature events */
#define LPFC_CRIT_TEMP 0x1
#define LPFC_THRESHOLD_TEMP 0x2
#define LPFC_NORMAL_TEMP 0x3
/*
* All net link event payloads will begin with and event type
* and subcategory. The event type must come first.
* The subcategory further defines the data that follows in the rest
* of the payload. Each category will have its own unique header plus
* any addtional data unique to the subcategory.
* The payload sent via the fc transport is one-way driver->application.
*/
/* els event header */
struct lpfc_els_event_header {
uint32_t event_type;
uint32_t subcategory;
uint8_t wwpn[8];
uint8_t wwnn[8];
};
/* subcategory codes for FC_REG_ELS_EVENT */
#define LPFC_EVENT_PLOGI_RCV 0x01
#define LPFC_EVENT_PRLO_RCV 0x02
#define LPFC_EVENT_ADISC_RCV 0x04
#define LPFC_EVENT_LSRJT_RCV 0x08
/* special els lsrjt event */
struct lpfc_lsrjt_event {
struct lpfc_els_event_header header;
uint32_t command;
uint32_t reason_code;
uint32_t explanation;
};
/* fabric event header */
struct lpfc_fabric_event_header {
uint32_t event_type;
uint32_t subcategory;
uint8_t wwpn[8];
uint8_t wwnn[8];
};
/* subcategory codes for FC_REG_FABRIC_EVENT */
#define LPFC_EVENT_FABRIC_BUSY 0x01
#define LPFC_EVENT_PORT_BUSY 0x02
#define LPFC_EVENT_FCPRDCHKERR 0x04
/* special case fabric fcprdchkerr event */
struct lpfc_fcprdchkerr_event {
struct lpfc_fabric_event_header header;
uint32_t lun;
uint32_t opcode;
uint32_t fcpiparam;
};
/* scsi event header */
struct lpfc_scsi_event_header {
uint32_t event_type;
uint32_t subcategory;
uint32_t lun;
uint8_t wwpn[8];
uint8_t wwnn[8];
};
/* subcategory codes for FC_REG_SCSI_EVENT */
#define LPFC_EVENT_QFULL 0x0001
#define LPFC_EVENT_DEVBSY 0x0002
#define LPFC_EVENT_CHECK_COND 0x0004
#define LPFC_EVENT_LUNRESET 0x0008
#define LPFC_EVENT_TGTRESET 0x0010
#define LPFC_EVENT_BUSRESET 0x0020
#define LPFC_EVENT_VARQUEDEPTH 0x0040
/* special case scsi varqueuedepth event */
struct lpfc_scsi_varqueuedepth_event {
struct lpfc_scsi_event_header scsi_event;
uint32_t oldval;
uint32_t newval;
};
/* special case scsi check condition event */
struct lpfc_scsi_check_condition_event {
struct lpfc_scsi_event_header scsi_event;
uint8_t sense_key;
uint8_t asc;
uint8_t ascq;
};
/* event codes for FC_REG_BOARD_EVENT */
#define LPFC_EVENT_PORTINTERR 0x01
/* board event header */
struct lpfc_board_event_header {
uint32_t event_type;
uint32_t subcategory;
};
/* event codes for FC_REG_ADAPTER_EVENT */
#define LPFC_EVENT_ARRIVAL 0x01
/* adapter event header */
struct lpfc_adapter_event_header {
uint32_t event_type;
uint32_t subcategory;
};
/* event codes for temp_event */
#define LPFC_CRIT_TEMP 0x1
#define LPFC_THRESHOLD_TEMP 0x2
#define LPFC_NORMAL_TEMP 0x3
struct temp_event {
uint32_t event_type;
uint32_t event_code;
uint32_t data;
};
drivers/scsi/lpfc/lpfc_nportdisc.c
View file @ ed09441d
......@@ -30,6 +30,7 @@
#include "lpfc_hw.h"
#include "lpfc_sli.h"
#include "lpfc_nl.h"
#include "lpfc_disc.h"
#include "lpfc_scsi.h"
#include "lpfc.h"
......@@ -1003,20 +1004,8 @@ lpfc_rcv_plogi_adisc_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
spin_lock_irq(shost->host_lock);
ndlp->nlp_flag &= ~NLP_NPR_2B_DISC;
spin_unlock_irq(shost->host_lock);
if (vport->num_disc_nodes) {
if (vport->num_disc_nodes)
lpfc_more_adisc(vport);
if ((vport->num_disc_nodes == 0) &&
(vport->fc_npr_cnt))
lpfc_els_disc_plogi(vport);
if (vport->num_disc_nodes == 0) {
spin_lock_irq(shost->host_lock);
vport->fc_flag &= ~FC_NDISC_ACTIVE;
spin_unlock_irq(shost->host_lock);
lpfc_can_disctmo(vport);
lpfc_end_rscn(vport);
}
}
}
return ndlp->nlp_state;
}
......@@ -1865,8 +1854,13 @@ static uint32_t
lpfc_cmpl_logo_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
void *arg, uint32_t evt)
{
struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
if (ndlp->nlp_DID == Fabric_DID) {
spin_lock_irq(shost->host_lock);
vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP);
spin_unlock_irq(shost->host_lock);
}
lpfc_unreg_rpi(vport, ndlp);
/* This routine does nothing, just return the current state */
return ndlp->nlp_state;
}
......@@ -2155,7 +2149,7 @@ lpfc_disc_state_machine(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
lpfc_nlp_put(ndlp);
} else {
lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
"0212 DSM out state %d on NPort free\n", rc);
"0213 DSM out state %d on NPort free\n", rc);
lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_DSM,
"DSM out: ste:%d did:x%x flg:x%x",
......
drivers/scsi/lpfc/lpfc_scsi.c
View file @ ed09441d
This diff is collapsed.
drivers/scsi/lpfc/lpfc_scsi.h
View file @ ed09441d
......@@ -107,6 +107,10 @@ struct fcp_cmnd {
};
struct lpfc_scsicmd_bkt {
uint32_t cmd_count;
};
struct lpfc_scsi_buf {
struct list_head list;
struct scsi_cmnd *pCmd;
......@@ -139,6 +143,7 @@ struct lpfc_scsi_buf {
*/
struct lpfc_iocbq cur_iocbq;
wait_queue_head_t *waitq;
unsigned long start_time;
};
#define LPFC_SCSI_DMA_EXT_SIZE 264
......
drivers/scsi/lpfc/lpfc_sli.c
View file @ ed09441d
This diff is collapsed.
drivers/scsi/lpfc/lpfc_sli.h
View file @ ed09441d
......@@ -233,6 +233,7 @@ struct lpfc_sli {
#define LPFC_SLI2_ACTIVE 0x200 /* SLI2 overlay in firmware is active */
#define LPFC_PROCESS_LA 0x400 /* Able to process link attention */
#define LPFC_BLOCK_MGMT_IO 0x800 /* Don't allow mgmt mbx or iocb cmds */
#define LPFC_MENLO_MAINT 0x1000 /* need for menl fw download */
struct lpfc_sli_ring ring[LPFC_MAX_RING];
int fcp_ring; /* ring used for FCP initiator commands */
......
drivers/scsi/lpfc/lpfc_version.h
View file @ ed09441d
......@@ -18,9 +18,11 @@
* included with this package. *
*******************************************************************/
#define LPFC_DRIVER_VERSION "8.2.7"
#define LPFC_DRIVER_VERSION "8.2.8"
#define LPFC_DRIVER_NAME "lpfc"
#define LPFC_DRIVER_NAME "lpfc"
#define LPFC_SP_DRIVER_HANDLER_NAME "lpfc:sp"
#define LPFC_FP_DRIVER_HANDLER_NAME "lpfc:fp"
#define LPFC_MODULE_DESC "Emulex LightPulse Fibre Channel SCSI driver " \
LPFC_DRIVER_VERSION
......
drivers/scsi/lpfc/lpfc_vport.c
View file @ ed09441d
......@@ -34,6 +34,7 @@
#include <scsi/scsi_transport_fc.h>
#include "lpfc_hw.h"
#include "lpfc_sli.h"
#include "lpfc_nl.h"
#include "lpfc_disc.h"
#include "lpfc_scsi.h"
#include "lpfc.h"
......@@ -204,6 +205,77 @@ lpfc_unique_wwpn(struct lpfc_hba *phba, struct lpfc_vport *new_vport)
return 1;
}
/**
* lpfc_discovery_wait: Wait for driver discovery to quiesce.
* @vport: The virtual port for which this call is being executed.
*
* This driver calls this routine specifically from lpfc_vport_delete
* to enforce a synchronous execution of vport
* delete relative to discovery activities. The
* lpfc_vport_delete routine should not return until it
* can reasonably guarantee that discovery has quiesced.
* Post FDISC LOGO, the driver must wait until its SAN teardown is
* complete and all resources recovered before allowing
* cleanup.
*
* This routine does not require any locks held.
**/
static void lpfc_discovery_wait(struct lpfc_vport *vport)
{
struct lpfc_hba *phba = vport->phba;
uint32_t wait_flags = 0;
unsigned long wait_time_max;
unsigned long start_time;
wait_flags = FC_RSCN_MODE | FC_RSCN_DISCOVERY | FC_NLP_MORE |
FC_RSCN_DEFERRED | FC_NDISC_ACTIVE | FC_DISC_TMO;
/*
* The time constraint on this loop is a balance between the
* fabric RA_TOV value and dev_loss tmo. The driver's
* devloss_tmo is 10 giving this loop a 3x multiplier minimally.
*/
wait_time_max = msecs_to_jiffies(((phba->fc_ratov * 3) + 3) * 1000);
wait_time_max += jiffies;
start_time = jiffies;
while (time_before(jiffies, wait_time_max)) {
if ((vport->num_disc_nodes > 0) ||
(vport->fc_flag & wait_flags) ||
((vport->port_state > LPFC_VPORT_FAILED) &&
(vport->port_state < LPFC_VPORT_READY))) {
lpfc_printf_log(phba, KERN_INFO, LOG_VPORT,
"1833 Vport discovery quiesce Wait:"
" vpi x%x state x%x fc_flags x%x"
" num_nodes x%x, waiting 1000 msecs"
" total wait msecs x%x\n",
vport->vpi, vport->port_state,
vport->fc_flag, vport->num_disc_nodes,
jiffies_to_msecs(jiffies - start_time));
msleep(1000);
} else {
/* Base case. Wait variants satisfied. Break out */
lpfc_printf_log(phba, KERN_INFO, LOG_VPORT,
"1834 Vport discovery quiesced:"
" vpi x%x state x%x fc_flags x%x"
" wait msecs x%x\n",
vport->vpi, vport->port_state,
vport->fc_flag,
jiffies_to_msecs(jiffies
- start_time));
break;
}
}
if (time_after(jiffies, wait_time_max))
lpfc_printf_log(phba, KERN_ERR, LOG_VPORT,
"1835 Vport discovery quiesce failed:"
" vpi x%x state x%x fc_flags x%x"
" wait msecs x%x\n",
vport->vpi, vport->port_state,
vport->fc_flag,
jiffies_to_msecs(jiffies - start_time));
}
int
lpfc_vport_create(struct fc_vport *fc_vport, bool disable)
{
......@@ -506,8 +578,12 @@ lpfc_vport_delete(struct fc_vport *fc_vport)
* initiated after we've disposed of all other resources associated
* with the port.
*/
if (!scsi_host_get(shost) || !scsi_host_get(shost))
if (!scsi_host_get(shost))
return VPORT_INVAL;
if (!scsi_host_get(shost)) {
scsi_host_put(shost);
return VPORT_INVAL;
}
spin_lock_irq(&phba->hbalock);
vport->load_flag |= FC_UNLOADING;
spin_unlock_irq(&phba->hbalock);
......@@ -597,11 +673,16 @@ lpfc_vport_delete(struct fc_vport *fc_vport)
}
vport->unreg_vpi_cmpl = VPORT_INVAL;
timeout = msecs_to_jiffies(phba->fc_ratov * 2000);
if (ndlp->nlp_state == NLP_STE_UNUSED_NODE)
goto skip_logo;
if (!lpfc_issue_els_npiv_logo(vport, ndlp))
while (vport->unreg_vpi_cmpl == VPORT_INVAL && timeout)
timeout = schedule_timeout(timeout);
}
if (!(phba->pport->load_flag & FC_UNLOADING))
lpfc_discovery_wait(vport);
skip_logo:
lpfc_cleanup(vport);
lpfc_sli_host_down(vport);
......@@ -615,8 +696,10 @@ skip_logo:
* Completion of unreg_vpi (lpfc_mbx_cmpl_unreg_vpi)
* does the scsi_host_put() to release the vport.
*/
lpfc_mbx_unreg_vpi(vport);
}
if (lpfc_mbx_unreg_vpi(vport))
scsi_host_put(shost);
} else
scsi_host_put(shost);
lpfc_free_vpi(phba, vport->vpi);
vport->work_port_events = 0;
......@@ -663,3 +746,82 @@ lpfc_destroy_vport_work_array(struct lpfc_hba *phba, struct lpfc_vport **vports)
scsi_host_put(lpfc_shost_from_vport(vports[i]));
kfree(vports);
}
/**
* lpfc_vport_reset_stat_data: Reset the statistical data for the vport.
* @vport: Pointer to vport object.
*
* This function resets the statistical data for the vport. This function
* is called with the host_lock held
**/
void
lpfc_vport_reset_stat_data(struct lpfc_vport *vport)
{
struct lpfc_nodelist *ndlp = NULL, *next_ndlp = NULL;
list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
if (!NLP_CHK_NODE_ACT(ndlp))
continue;
if (ndlp->lat_data)
memset(ndlp->lat_data, 0, LPFC_MAX_BUCKET_COUNT *
sizeof(struct lpfc_scsicmd_bkt));
}
}
/**
* lpfc_alloc_bucket: Allocate data buffer required for collecting
* statistical data.
* @vport: Pointer to vport object.
*
* This function allocates data buffer required for all the FC
* nodes of the vport to collect statistical data.
**/
void
lpfc_alloc_bucket(struct lpfc_vport *vport)
{
struct lpfc_nodelist *ndlp = NULL, *next_ndlp = NULL;
list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
if (!NLP_CHK_NODE_ACT(ndlp))
continue;
kfree(ndlp->lat_data);
ndlp->lat_data = NULL;
if (ndlp->nlp_state == NLP_STE_MAPPED_NODE) {
ndlp->lat_data = kcalloc(LPFC_MAX_BUCKET_COUNT,
sizeof(struct lpfc_scsicmd_bkt),
GFP_ATOMIC);
if (!ndlp->lat_data)
lpfc_printf_vlog(vport, KERN_ERR, LOG_NODE,
"0287 lpfc_alloc_bucket failed to "
"allocate statistical data buffer DID "
"0x%x\n", ndlp->nlp_DID);
}
}
}
/**
* lpfc_free_bucket: Free data buffer required for collecting
* statistical data.
* @vport: Pointer to vport object.
*
* Th function frees statistical data buffer of all the FC
* nodes of the vport.
**/
void
lpfc_free_bucket(struct lpfc_vport *vport)
{
struct lpfc_nodelist *ndlp = NULL, *next_ndlp = NULL;
list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
if (!NLP_CHK_NODE_ACT(ndlp))
continue;
kfree(ndlp->lat_data);
ndlp->lat_data = NULL;
}
}
drivers/scsi/lpfc/lpfc_vport.h
View file @ ed09441d
......@@ -112,4 +112,8 @@ struct vport_cmd_tag {
void lpfc_vport_set_state(struct lpfc_vport *vport,
enum fc_vport_state new_state);
void lpfc_vport_reset_stat_data(struct lpfc_vport *);
void lpfc_alloc_bucket(struct lpfc_vport *);
void lpfc_free_bucket(struct lpfc_vport *);
#endif /* H_LPFC_VPORT */
drivers/scsi/qla2xxx/qla_attr.c
View file @ ed09441d
......@@ -1006,7 +1006,6 @@ qla2x00_terminate_rport_io(struct fc_rport *rport)
}
qla2x00_abort_fcport_cmds(fcport);
scsi_target_unblock(&rport->dev);
}
static int
......
drivers/scsi/qla2xxx/qla_isr.c
View file @ ed09441d
This diff is collapsed.
drivers/scsi/qla2xxx/qla_os.c
View file @ ed09441d
This diff is collapsed.
drivers/scsi/qla4xxx/ql4_isr.c
View file @ ed09441d
......@@ -139,7 +139,7 @@ static void qla4xxx_status_entry(struct scsi_qla_host *ha,
ha->host_no, cmd->device->channel,
cmd->device->id, cmd->device->lun));
cmd->result = DID_BUS_BUSY << 16;
cmd->result = DID_TRANSPORT_DISRUPTED << 16;
/*
* Mark device missing so that we won't continue to send
......@@ -243,7 +243,7 @@ static void qla4xxx_status_entry(struct scsi_qla_host *ha,
if (atomic_read(&ddb_entry->state) == DDB_STATE_ONLINE)
qla4xxx_mark_device_missing(ha, ddb_entry);
cmd->result = DID_BUS_BUSY << 16;
cmd->result = DID_TRANSPORT_DISRUPTED << 16;
break;
case SCS_QUEUE_FULL:
......
drivers/scsi/qla4xxx/ql4_os.c
View file @ ed09441d
This diff is collapsed.
drivers/scsi/scsi.c
View file @ ed09441d
This diff is collapsed.
drivers/scsi/scsi_error.c
View file @ ed09441d
This diff is collapsed.
drivers/scsi/scsi_lib.c
View file @ ed09441d
This diff is collapsed.
drivers/scsi/scsi_priv.h
View file @ ed09441d
......@@ -59,6 +59,7 @@ void scsi_eh_ready_devs(struct Scsi_Host *shost,
struct list_head *done_q);
int scsi_eh_get_sense(struct list_head *work_q,
struct list_head *done_q);
int scsi_noretry_cmd(struct scsi_cmnd *scmd);
/* scsi_lib.c */
extern int scsi_maybe_unblock_host(struct scsi_device *sdev);
......
drivers/scsi/scsi_scan.c
View file @ ed09441d
This diff is collapsed.
drivers/scsi/scsi_transport_fc.c
View file @ ed09441d
This diff is collapsed.
drivers/scsi/scsi_transport_iscsi.c
View file @ ed09441d
This diff is collapsed.
drivers/scsi/scsi_transport_spi.c
View file @ ed09441d
This diff is collapsed.
drivers/scsi/sd.c
View file @ ed09441d
This diff is collapsed.
drivers/scsi/sd.h
View file @ ed09441d
This diff is collapsed.
drivers/scsi/sd_dif.c
View file @ ed09441d
This diff is collapsed.
include/linux/bio.h
View file @ ed09441d
This diff is collapsed.
include/linux/blkdev.h
View file @ ed09441d
This diff is collapsed.
include/scsi/iscsi_if.h
View file @ ed09441d
This diff is collapsed.
include/scsi/libiscsi.h
View file @ ed09441d
This diff is collapsed.
include/scsi/scsi.h
View file @ ed09441d
This diff is collapsed.
include/scsi/scsi_device.h
View file @ ed09441d
This diff is collapsed.
include/scsi/scsi_transport_fc.h
View file @ ed09441d
This diff is collapsed.
include/scsi/scsi_transport_iscsi.h
View file @ ed09441d
This diff is collapsed.
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