diff options
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_scsi.c')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_scsi.c | 24 |
1 files changed, 16 insertions, 8 deletions
diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c index 17e4974d444..b5ad1871d34 100644 --- a/drivers/scsi/lpfc/lpfc_scsi.c +++ b/drivers/scsi/lpfc/lpfc_scsi.c @@ -40,11 +40,6 @@ #define LPFC_RESET_WAIT 2 #define LPFC_ABORT_WAIT 2 -static inline void lpfc_put_lun(struct fcp_cmnd *fcmd, unsigned int lun) -{ - fcmd->fcpLunLsl = 0; - fcmd->fcpLunMsl = swab16((uint16_t)lun); -} /* * This routine allocates a scsi buffer, which contains all the necessary @@ -238,6 +233,8 @@ lpfc_scsi_prep_dma_buf(struct lpfc_hba * phba, struct lpfc_scsi_buf * lpfc_cmd) bpl->tus.f.bdeSize = scsi_cmnd->request_bufflen; if (datadir == DMA_TO_DEVICE) bpl->tus.f.bdeFlags = 0; + else + bpl->tus.f.bdeFlags = BUFF_USE_RCV; bpl->tus.w = le32_to_cpu(bpl->tus.w); num_bde = 1; bpl++; @@ -245,8 +242,11 @@ lpfc_scsi_prep_dma_buf(struct lpfc_hba * phba, struct lpfc_scsi_buf * lpfc_cmd) /* * Finish initializing those IOCB fields that are dependent on the - * scsi_cmnd request_buffer + * scsi_cmnd request_buffer. Note that the bdeSize is explicitly + * reinitialized since all iocb memory resources are used many times + * for transmit, receive, and continuation bpl's. */ + iocb_cmd->un.fcpi64.bdl.bdeSize = (2 * sizeof (struct ulp_bde64)); iocb_cmd->un.fcpi64.bdl.bdeSize += (num_bde * sizeof (struct ulp_bde64)); iocb_cmd->ulpBdeCount = 1; @@ -445,8 +445,11 @@ lpfc_scsi_prep_cmnd(struct lpfc_hba * phba, struct lpfc_scsi_buf * lpfc_cmd, int datadir = scsi_cmnd->sc_data_direction; lpfc_cmd->fcp_rsp->rspSnsLen = 0; + /* clear task management bits */ + lpfc_cmd->fcp_cmnd->fcpCntl2 = 0; - lpfc_put_lun(lpfc_cmd->fcp_cmnd, lpfc_cmd->pCmd->device->lun); + int_to_scsilun(lpfc_cmd->pCmd->device->lun, + &lpfc_cmd->fcp_cmnd->fcp_lun); memcpy(&fcp_cmnd->fcpCdb[0], scsi_cmnd->cmnd, 16); @@ -545,7 +548,8 @@ lpfc_scsi_prep_task_mgmt_cmd(struct lpfc_hba *phba, piocb = &piocbq->iocb; fcp_cmnd = lpfc_cmd->fcp_cmnd; - lpfc_put_lun(lpfc_cmd->fcp_cmnd, lpfc_cmd->pCmd->device->lun); + int_to_scsilun(lpfc_cmd->pCmd->device->lun, + &lpfc_cmd->fcp_cmnd->fcp_lun); fcp_cmnd->fcpCntl2 = task_mgmt_cmd; piocb->ulpCommand = CMD_FCP_ICMND64_CR; @@ -746,6 +750,10 @@ lpfc_queuecommand(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *)) cmnd->result = ScsiResult(DID_NO_CONNECT, 0); goto out_fail_command; } + else if (ndlp->nlp_state == NLP_STE_NPR_NODE) { + cmnd->result = ScsiResult(DID_BUS_BUSY, 0); + goto out_fail_command; + } /* * The device is most likely recovered and the driver * needs a bit more time to finish. Ask the midlayer |