diff options
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_scsi.c')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_scsi.c | 86 |
1 files changed, 79 insertions, 7 deletions
diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c index f64b65a770b8..c97751c95d77 100644 --- a/drivers/scsi/lpfc/lpfc_scsi.c +++ b/drivers/scsi/lpfc/lpfc_scsi.c @@ -621,10 +621,13 @@ lpfc_sli4_fcp_xri_aborted(struct lpfc_hba *phba, struct sli4_wcqe_xri_aborted *axri) { uint16_t xri = bf_get(lpfc_wcqe_xa_xri, axri); + uint16_t rxid = bf_get(lpfc_wcqe_xa_remote_xid, axri); struct lpfc_scsi_buf *psb, *next_psb; unsigned long iflag = 0; struct lpfc_iocbq *iocbq; int i; + struct lpfc_nodelist *ndlp; + int rrq_empty = 0; struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING]; spin_lock_irqsave(&phba->hbalock, iflag); @@ -637,8 +640,14 @@ lpfc_sli4_fcp_xri_aborted(struct lpfc_hba *phba, psb->status = IOSTAT_SUCCESS; spin_unlock( &phba->sli4_hba.abts_scsi_buf_list_lock); + ndlp = psb->rdata->pnode; + rrq_empty = list_empty(&phba->active_rrq_list); spin_unlock_irqrestore(&phba->hbalock, iflag); + if (ndlp) + lpfc_set_rrq_active(phba, ndlp, xri, rxid, 1); lpfc_release_scsi_buf_s4(phba, psb); + if (rrq_empty) + lpfc_worker_wake_up(phba); return; } } @@ -914,7 +923,7 @@ lpfc_new_scsi_buf(struct lpfc_vport *vport, int num_to_alloc) } /** - * lpfc_get_scsi_buf - Get a scsi buffer from lpfc_scsi_buf_list of the HBA + * lpfc_get_scsi_buf_s3 - Get a scsi buffer from lpfc_scsi_buf_list of the HBA * @phba: The HBA for which this call is being executed. * * This routine removes a scsi buffer from head of @phba lpfc_scsi_buf_list list @@ -925,7 +934,7 @@ lpfc_new_scsi_buf(struct lpfc_vport *vport, int num_to_alloc) * Pointer to lpfc_scsi_buf - Success **/ static struct lpfc_scsi_buf* -lpfc_get_scsi_buf(struct lpfc_hba * phba) +lpfc_get_scsi_buf_s3(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) { struct lpfc_scsi_buf * lpfc_cmd = NULL; struct list_head *scsi_buf_list = &phba->lpfc_scsi_buf_list; @@ -941,6 +950,67 @@ lpfc_get_scsi_buf(struct lpfc_hba * phba) spin_unlock_irqrestore(&phba->scsi_buf_list_lock, iflag); return lpfc_cmd; } +/** + * lpfc_get_scsi_buf_s4 - Get a scsi buffer from lpfc_scsi_buf_list of the HBA + * @phba: The HBA for which this call is being executed. + * + * This routine removes a scsi buffer from head of @phba lpfc_scsi_buf_list list + * and returns to caller. + * + * Return codes: + * NULL - Error + * Pointer to lpfc_scsi_buf - Success + **/ +static struct lpfc_scsi_buf* +lpfc_get_scsi_buf_s4(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) +{ + struct lpfc_scsi_buf *lpfc_cmd = NULL; + struct lpfc_scsi_buf *start_lpfc_cmd = NULL; + struct list_head *scsi_buf_list = &phba->lpfc_scsi_buf_list; + unsigned long iflag = 0; + int found = 0; + + spin_lock_irqsave(&phba->scsi_buf_list_lock, iflag); + list_remove_head(scsi_buf_list, lpfc_cmd, struct lpfc_scsi_buf, list); + spin_unlock_irqrestore(&phba->scsi_buf_list_lock, iflag); + while (!found && lpfc_cmd) { + if (lpfc_test_rrq_active(phba, ndlp, + lpfc_cmd->cur_iocbq.sli4_xritag)) { + lpfc_release_scsi_buf_s4(phba, lpfc_cmd); + spin_lock_irqsave(&phba->scsi_buf_list_lock, iflag); + list_remove_head(scsi_buf_list, lpfc_cmd, + struct lpfc_scsi_buf, list); + spin_unlock_irqrestore(&phba->scsi_buf_list_lock, + iflag); + if (lpfc_cmd == start_lpfc_cmd) { + lpfc_cmd = NULL; + break; + } else + continue; + } + found = 1; + lpfc_cmd->seg_cnt = 0; + lpfc_cmd->nonsg_phys = 0; + lpfc_cmd->prot_seg_cnt = 0; + } + return lpfc_cmd; +} +/** + * lpfc_get_scsi_buf - Get a scsi buffer from lpfc_scsi_buf_list of the HBA + * @phba: The HBA for which this call is being executed. + * + * This routine removes a scsi buffer from head of @phba lpfc_scsi_buf_list list + * and returns to caller. + * + * Return codes: + * NULL - Error + * Pointer to lpfc_scsi_buf - Success + **/ +static struct lpfc_scsi_buf* +lpfc_get_scsi_buf(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) +{ + return phba->lpfc_get_scsi_buf(phba, ndlp); +} /** * lpfc_release_scsi_buf - Return a scsi buffer back to hba scsi buf list @@ -2744,18 +2814,19 @@ lpfc_scsi_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp) phba->lpfc_scsi_unprep_dma_buf = lpfc_scsi_unprep_dma_buf; phba->lpfc_scsi_prep_cmnd = lpfc_scsi_prep_cmnd; - phba->lpfc_get_scsi_buf = lpfc_get_scsi_buf; switch (dev_grp) { case LPFC_PCI_DEV_LP: phba->lpfc_new_scsi_buf = lpfc_new_scsi_buf_s3; phba->lpfc_scsi_prep_dma_buf = lpfc_scsi_prep_dma_buf_s3; phba->lpfc_release_scsi_buf = lpfc_release_scsi_buf_s3; + phba->lpfc_get_scsi_buf = lpfc_get_scsi_buf_s3; break; case LPFC_PCI_DEV_OC: phba->lpfc_new_scsi_buf = lpfc_new_scsi_buf_s4; phba->lpfc_scsi_prep_dma_buf = lpfc_scsi_prep_dma_buf_s4; phba->lpfc_release_scsi_buf = lpfc_release_scsi_buf_s4; + phba->lpfc_get_scsi_buf = lpfc_get_scsi_buf_s4; break; default: lpfc_printf_log(phba, KERN_ERR, LOG_INIT, @@ -2764,7 +2835,6 @@ lpfc_scsi_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp) return -ENODEV; break; } - phba->lpfc_get_scsi_buf = lpfc_get_scsi_buf; phba->lpfc_rampdown_queue_depth = lpfc_rampdown_queue_depth; phba->lpfc_scsi_cmd_iocb_cmpl = lpfc_scsi_cmd_iocb_cmpl; return 0; @@ -2899,7 +2969,7 @@ void lpfc_poll_timeout(unsigned long ptr) * SCSI_MLQUEUE_HOST_BUSY - Block all devices served by this host temporarily. **/ static int -lpfc_queuecommand(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *)) +lpfc_queuecommand_lck(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *)) { struct Scsi_Host *shost = cmnd->device->host; struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; @@ -2940,7 +3010,7 @@ lpfc_queuecommand(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *)) if (atomic_read(&ndlp->cmd_pending) >= ndlp->cmd_qdepth) goto out_host_busy; - lpfc_cmd = lpfc_get_scsi_buf(phba); + lpfc_cmd = lpfc_get_scsi_buf(phba, ndlp); if (lpfc_cmd == NULL) { lpfc_rampdown_queue_depth(phba); @@ -3060,6 +3130,8 @@ lpfc_queuecommand(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *)) return 0; } +static DEF_SCSI_QCMD(lpfc_queuecommand) + /** * lpfc_abort_handler - scsi_host_template eh_abort_handler entry point * @cmnd: Pointer to scsi_cmnd data structure. @@ -3237,7 +3309,7 @@ lpfc_send_taskmgmt(struct lpfc_vport *vport, struct lpfc_rport_data *rdata, if (!pnode || !NLP_CHK_NODE_ACT(pnode)) return FAILED; - lpfc_cmd = lpfc_get_scsi_buf(phba); + lpfc_cmd = lpfc_get_scsi_buf(phba, rdata->pnode); if (lpfc_cmd == NULL) return FAILED; lpfc_cmd->timeout = 60; |