diff options
| author | James Smart <james.smart@emulex.com> | 2012-05-09 21:17:07 -0400 |
|---|---|---|
| committer | James Bottomley <JBottomley@Parallels.com> | 2012-05-17 10:57:29 +0100 |
| commit | 4f2e66c6d225a14fcf77d826fe71f6137cb27352 (patch) | |
| tree | b6235968d1a223d83e750d41aab8100f912a68ea /drivers/scsi/lpfc/lpfc_sli.c | |
| parent | a7dd9c0f44966b4328b52c5e32f8c3345e3482e5 (diff) | |
[SCSI] lpfc 8.3.31: Fixed system panic due to midlayer abort and driver complete race on SCSI cmd
Signed-off-by: Alex Iannicelli <alex.iannicelli@emulex.com>
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_sli.c')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_sli.c | 23 |
1 files changed, 14 insertions, 9 deletions
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index 57eaaa51e1d..7c4067913c2 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -502,7 +502,7 @@ lpfc_resp_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) * allocation is successful, it returns pointer to the newly * allocated iocb object else it returns NULL. **/ -static struct lpfc_iocbq * +struct lpfc_iocbq * __lpfc_sli_get_iocbq(struct lpfc_hba *phba) { struct list_head *lpfc_iocb_list = &phba->lpfc_iocb_list; @@ -1259,7 +1259,7 @@ lpfc_sli_ringtxcmpl_put(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, struct lpfc_iocbq *piocb) { list_add_tail(&piocb->list, &pring->txcmplq); - piocb->iocb_flag |= LPFC_IO_ON_Q; + piocb->iocb_flag |= LPFC_IO_ON_TXCMPLQ; pring->txcmplq_cnt++; if (pring->txcmplq_cnt > pring->txcmplq_max) pring->txcmplq_max = pring->txcmplq_cnt; @@ -2558,9 +2558,9 @@ lpfc_sli_iocbq_lookup(struct lpfc_hba *phba, if (iotag != 0 && iotag <= phba->sli.last_iotag) { cmd_iocb = phba->sli.iocbq_lookup[iotag]; list_del_init(&cmd_iocb->list); - if (cmd_iocb->iocb_flag & LPFC_IO_ON_Q) { + if (cmd_iocb->iocb_flag & LPFC_IO_ON_TXCMPLQ) { pring->txcmplq_cnt--; - cmd_iocb->iocb_flag &= ~LPFC_IO_ON_Q; + cmd_iocb->iocb_flag &= ~LPFC_IO_ON_TXCMPLQ; } return cmd_iocb; } @@ -2593,14 +2593,14 @@ lpfc_sli_iocbq_lookup_by_tag(struct lpfc_hba *phba, if (iotag != 0 && iotag <= phba->sli.last_iotag) { cmd_iocb = phba->sli.iocbq_lookup[iotag]; - list_del_init(&cmd_iocb->list); - if (cmd_iocb->iocb_flag & LPFC_IO_ON_Q) { - cmd_iocb->iocb_flag &= ~LPFC_IO_ON_Q; + if (cmd_iocb->iocb_flag & LPFC_IO_ON_TXCMPLQ) { + /* remove from txcmpl queue list */ + list_del_init(&cmd_iocb->list); + cmd_iocb->iocb_flag &= ~LPFC_IO_ON_TXCMPLQ; pring->txcmplq_cnt--; + return cmd_iocb; } - return cmd_iocb; } - lpfc_printf_log(phba, KERN_ERR, LOG_SLI, "0372 iotag x%x is out off range: max iotag (x%x)\n", iotag, phba->sli.last_iotag); @@ -3468,6 +3468,9 @@ lpfc_sli_flush_fcp_rings(struct lpfc_hba *phba) /* Retrieve everything on the txcmplq */ list_splice_init(&pring->txcmplq, &txcmplq); pring->txcmplq_cnt = 0; + + /* Indicate the I/O queues are flushed */ + phba->hba_flag |= HBA_FCP_IOQ_FLUSH; spin_unlock_irq(&phba->hbalock); /* Flush the txq */ @@ -6069,6 +6072,8 @@ lpfc_sli4_hba_setup(struct lpfc_hba *phba) else phba->hba_flag &= ~HBA_FIP_SUPPORT; + phba->hba_flag &= ~HBA_FCP_IOQ_FLUSH; + if (phba->sli_rev != LPFC_SLI_REV4) { lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, "0376 READ_REV Error. SLI Level %d " |