diff options
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_sli.c')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_sli.c | 123 |
1 files changed, 116 insertions, 7 deletions
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index c3743d6f445b..9bc85d5a02f7 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -931,6 +931,16 @@ lpfc_sli_replace_hbqbuff(struct lpfc_hba *phba, uint32_t tag) return &new_hbq_entry->dbuf; } +static struct lpfc_dmabuf * +lpfc_sli_get_buff(struct lpfc_hba *phba, + struct lpfc_sli_ring *pring, + uint32_t tag) +{ + if (tag & QUE_BUFTAG_BIT) + return lpfc_sli_ring_taggedbuf_get(phba, pring, tag); + else + return lpfc_sli_replace_hbqbuff(phba, tag); +} static int lpfc_sli_process_unsol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, @@ -940,6 +950,7 @@ lpfc_sli_process_unsol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, WORD5 * w5p; uint32_t Rctl, Type; uint32_t match, i; + struct lpfc_iocbq *iocbq; match = 0; irsp = &(saveq->iocb); @@ -984,12 +995,69 @@ lpfc_sli_process_unsol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, } if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) { - if (irsp->ulpBdeCount != 0) - saveq->context2 = lpfc_sli_replace_hbqbuff(phba, + struct lpfc_hbq_entry *hbqe_1, *hbqe_2; + hbqe_1 = (struct lpfc_hbq_entry *) &saveq->iocb.un.ulpWord[0]; + hbqe_2 = (struct lpfc_hbq_entry *) &saveq->iocb. + unsli3.sli3Words[4]; + + if (irsp->ulpBdeCount != 0) { + saveq->context2 = lpfc_sli_get_buff(phba, pring, irsp->un.ulpWord[3]); - if (irsp->ulpBdeCount == 2) - saveq->context3 = lpfc_sli_replace_hbqbuff(phba, + if (!saveq->context2) + lpfc_printf_log(phba, + KERN_ERR, + LOG_SLI, + "0341 Ring %d Cannot find buffer for " + "an unsolicited iocb. tag 0x%x\n", + pring->ringno, + irsp->un.ulpWord[3]); + + } + if (irsp->ulpBdeCount == 2) { + saveq->context3 = lpfc_sli_get_buff(phba, pring, irsp->unsli3.sli3Words[7]); + if (!saveq->context3) + lpfc_printf_log(phba, + KERN_ERR, + LOG_SLI, + "0342 Ring %d Cannot find buffer for an" + " unsolicited iocb. tag 0x%x\n", + pring->ringno, + irsp->unsli3.sli3Words[7]); + } + list_for_each_entry(iocbq, &saveq->list, list) { + hbqe_1 = (struct lpfc_hbq_entry *) &iocbq->iocb. + un.ulpWord[0]; + hbqe_2 = (struct lpfc_hbq_entry *) &iocbq->iocb. + unsli3.sli3Words[4]; + irsp = &(iocbq->iocb); + + if (irsp->ulpBdeCount != 0) { + iocbq->context2 = lpfc_sli_get_buff(phba, pring, + irsp->un.ulpWord[3]); + if (!saveq->context2) + lpfc_printf_log(phba, + KERN_ERR, + LOG_SLI, + "0343 Ring %d Cannot find " + "buffer for an unsolicited iocb" + ". tag 0x%x\n", pring->ringno, + irsp->un.ulpWord[3]); + } + if (irsp->ulpBdeCount == 2) { + iocbq->context3 = lpfc_sli_get_buff(phba, pring, + irsp->unsli3.sli3Words[7]); + if (!saveq->context3) + lpfc_printf_log(phba, + KERN_ERR, + LOG_SLI, + "0344 Ring %d Cannot find " + "buffer for an unsolicited " + "iocb. tag 0x%x\n", + pring->ringno, + irsp->unsli3.sli3Words[7]); + } + } } /* unSolicited Responses */ @@ -2480,7 +2548,7 @@ lpfc_mbox_timeout_handler(struct lpfc_hba *phba) lpfc_sli_abort_iocb_ring(phba, pring); lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, - "0316 Resetting board due to mailbox timeout\n"); + "0345 Resetting board due to mailbox timeout\n"); /* * lpfc_offline calls lpfc_sli_hba_down which will clean up * on oustanding mailbox commands. @@ -2975,7 +3043,7 @@ lpfc_sli_async_event_handler(struct lpfc_hba * phba, lpfc_printf_log(phba, KERN_ERR, LOG_SLI, - "0327 Ring %d handler: unexpected ASYNC_STATUS" + "0346 Ring %d handler: unexpected ASYNC_STATUS" " evt_code 0x%x\n", pring->ringno, icmd->un.asyncstat.evt_code); @@ -2988,7 +3056,7 @@ lpfc_sli_async_event_handler(struct lpfc_hba * phba, lpfc_printf_log(phba, KERN_WARNING, LOG_TEMP, - "0339 Adapter is very hot, please take " + "0347 Adapter is very hot, please take " "corrective action. temperature : %d Celsius\n", temp); } @@ -3314,6 +3382,47 @@ lpfc_sli_ringpostbuf_put(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, return 0; } +uint32_t +lpfc_sli_get_buffer_tag(struct lpfc_hba *phba) +{ + spin_lock_irq(&phba->hbalock); + phba->buffer_tag_count++; + /* + * Always set the QUE_BUFTAG_BIT to distiguish between + * a tag assigned by HBQ. + */ + phba->buffer_tag_count |= QUE_BUFTAG_BIT; + spin_unlock_irq(&phba->hbalock); + return phba->buffer_tag_count; +} + +struct lpfc_dmabuf * +lpfc_sli_ring_taggedbuf_get(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, + uint32_t tag) +{ + struct lpfc_dmabuf *mp, *next_mp; + struct list_head *slp = &pring->postbufq; + + /* Search postbufq, from the begining, looking for a match on tag */ + spin_lock_irq(&phba->hbalock); + list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) { + if (mp->buffer_tag == tag) { + list_del_init(&mp->list); + pring->postbufq_cnt--; + spin_unlock_irq(&phba->hbalock); + return mp; + } + } + + spin_unlock_irq(&phba->hbalock); + lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + "0410 Cannot find virtual addr for buffer tag on " + "ring %d Data x%lx x%p x%p x%x\n", + pring->ringno, (unsigned long) tag, + slp->next, slp->prev, pring->postbufq_cnt); + + return NULL; +} struct lpfc_dmabuf * lpfc_sli_ringpostbuf_get(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, |