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[SCSI] lpfc 8.3.21: Critical Errors and Bug Fixes

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Critical Errors:
- Correctly handle non-zero return lpfc_workq_post_event and return ENOMEM
- Save the irq level when locking the host_lock in lpfc_findnode_did

Bug Fixes:
- Adjust payload_length and request_length for sli4_config mailbox commands.
- Add the freed sgl/XRI to the tail of the list rather than to the head.
- Set the FC_VPORT_NEEDS_INIT_VPI on vport deletes and check it before
  issuing a fdisc on an els retry.
- Only call lpfc_hba_init_link() if phba->cfg_suppress_link_up
  is LPFC_INITIALIZE_LINK.
- Add support for SLI-4 Performance Hints

Signed-off-by: Alex Iannicelli <alex.iannicelli@emulex.com>
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
This commit is contained in:
James Smart
2011-02-16 12:39:24 -05:00
committed by James Bottomley
parent 382be668c5
commit fedd3b7b93
12 changed files with 264 additions and 56 deletions
Download Patch File Download Diff File Expand all files Collapse all files

29
drivers/scsi/lpfc/lpfc_attr.c
View File

@@ -623,10 +623,14 @@ lpfc_do_offline(struct lpfc_hba *phba, uint32_t type)
int status = 0;
int cnt = 0;
int i;
int rc;
init_completion(&online_compl);
lpfc_workq_post_event(phba, &status, &online_compl,
rc = lpfc_workq_post_event(phba, &status, &online_compl,
LPFC_EVT_OFFLINE_PREP);
if (rc == 0)
return -ENOMEM;
wait_for_completion(&online_compl);
if (status != 0)
@@ -652,7 +656,10 @@ lpfc_do_offline(struct lpfc_hba *phba, uint32_t type)
}
init_completion(&online_compl);
lpfc_workq_post_event(phba, &status, &online_compl, type);
rc = lpfc_workq_post_event(phba, &status, &online_compl, type);
if (rc == 0)
return -ENOMEM;
wait_for_completion(&online_compl);
if (status != 0)
@@ -682,6 +689,7 @@ lpfc_selective_reset(struct lpfc_hba *phba)
{
struct completion online_compl;
int status = 0;
int rc;
if (!phba->cfg_enable_hba_reset)
return -EIO;
@@ -692,8 +700,11 @@ lpfc_selective_reset(struct lpfc_hba *phba)
return status;
init_completion(&online_compl);
lpfc_workq_post_event(phba, &status, &online_compl,
rc = lpfc_workq_post_event(phba, &status, &online_compl,
LPFC_EVT_ONLINE);
if (rc == 0)
return -ENOMEM;
wait_for_completion(&online_compl);
if (status != 0)
@@ -812,14 +823,17 @@ lpfc_board_mode_store(struct device *dev, struct device_attribute *attr,
struct lpfc_hba *phba = vport->phba;
struct completion online_compl;
int status=0;
int rc;
if (!phba->cfg_enable_hba_reset)
return -EACCES;
init_completion(&online_compl);
if(strncmp(buf, "online", sizeof("online") - 1) == 0) {
lpfc_workq_post_event(phba, &status, &online_compl,
rc = lpfc_workq_post_event(phba, &status, &online_compl,
LPFC_EVT_ONLINE);
if (rc == 0)
return -ENOMEM;
wait_for_completion(&online_compl);
} else if (strncmp(buf, "offline", sizeof("offline") - 1) == 0)
status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE);
@@ -1813,6 +1827,7 @@ lpfc_soft_wwpn_store(struct device *dev, struct device_attribute *attr,
int stat1=0, stat2=0;
unsigned int i, j, cnt=count;
u8 wwpn[8];
int rc;
if (!phba->cfg_enable_hba_reset)
return -EACCES;
@@ -1863,7 +1878,11 @@ lpfc_soft_wwpn_store(struct device *dev, struct device_attribute *attr,
"0463 lpfc_soft_wwpn attribute set failed to "
"reinit adapter - %d\n", stat1);
init_completion(&online_compl);
lpfc_workq_post_event(phba, &stat2, &online_compl, LPFC_EVT_ONLINE);
rc = lpfc_workq_post_event(phba, &stat2, &online_compl,
LPFC_EVT_ONLINE);
if (rc == 0)
return -ENOMEM;
wait_for_completion(&online_compl);
if (stat2)
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,