From 9c2face68782d5b7a322df6aade0512b47d29f10 Mon Sep 17 00:00:00 2001 From: James Smart Date: Fri, 11 Jan 2008 01:53:18 -0500 Subject: [SCSI] lpfc 8.2.4 : Fix Unsolicited Data items Fix Drivers Unsolicited CT command handling - we did not handle multiframe sequences well. Fix error due to delay in replenishing buffers for unsolicited data. Signed-off-by: James Smart Signed-off-by: James Bottomley --- drivers/scsi/lpfc/lpfc_ct.c | 92 +++++++++++++++++---------------------------- 1 file changed, 34 insertions(+), 58 deletions(-) (limited to 'drivers/scsi/lpfc/lpfc_ct.c') diff --git a/drivers/scsi/lpfc/lpfc_ct.c b/drivers/scsi/lpfc/lpfc_ct.c index 7a8b3b90af7..3759ae1dc5e 100644 --- a/drivers/scsi/lpfc/lpfc_ct.c +++ b/drivers/scsi/lpfc/lpfc_ct.c @@ -57,45 +57,27 @@ static char *lpfc_release_version = LPFC_DRIVER_VERSION; -/* - * lpfc_ct_unsol_event - */ static void -lpfc_ct_unsol_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq, - struct lpfc_dmabuf *mp, uint32_t size) +lpfc_ct_ignore_hbq_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq, + struct lpfc_dmabuf *mp, uint32_t size) { if (!mp) { - printk(KERN_ERR "%s (%d): Unsolited CT, no buffer, " - "piocbq = %p, status = x%x, mp = %p, size = %d\n", - __FUNCTION__, __LINE__, - piocbq, piocbq->iocb.ulpStatus, mp, size); + lpfc_printf_log(phba, KERN_INFO, LOG_ELS, + "0146 Ignoring unsolicted CT No HBQ " + "status = x%x\n", + piocbq->iocb.ulpStatus); } - - printk(KERN_ERR "%s (%d): Ignoring unsolicted CT piocbq = %p, " - "buffer = %p, size = %d, status = x%x\n", - __FUNCTION__, __LINE__, - piocbq, mp, size, - piocbq->iocb.ulpStatus); - + lpfc_printf_log(phba, KERN_INFO, LOG_ELS, + "0145 Ignoring unsolicted CT HBQ Size:%d " + "status = x%x\n", + size, piocbq->iocb.ulpStatus); } static void -lpfc_ct_ignore_hbq_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq, - struct lpfc_dmabuf *mp, uint32_t size) +lpfc_ct_unsol_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq, + struct lpfc_dmabuf *mp, uint32_t size) { - if (!mp) { - printk(KERN_ERR "%s (%d): Unsolited CT, no " - "HBQ buffer, piocbq = %p, status = x%x\n", - __FUNCTION__, __LINE__, - piocbq, piocbq->iocb.ulpStatus); - } else { - lpfc_ct_unsol_buffer(phba, piocbq, mp, size); - printk(KERN_ERR "%s (%d): Ignoring unsolicted CT " - "piocbq = %p, buffer = %p, size = %d, " - "status = x%x\n", - __FUNCTION__, __LINE__, - piocbq, mp, size, piocbq->iocb.ulpStatus); - } + lpfc_ct_ignore_hbq_buffer(phba, piocbq, mp, size); } void @@ -109,11 +91,8 @@ lpfc_ct_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, struct lpfc_iocbq *iocbq; dma_addr_t paddr; uint32_t size; - struct lpfc_dmabuf *bdeBuf1 = piocbq->context2; - struct lpfc_dmabuf *bdeBuf2 = piocbq->context3; - - piocbq->context2 = NULL; - piocbq->context3 = NULL; + struct list_head head; + struct lpfc_dmabuf *bdeBuf; if (unlikely(icmd->ulpStatus == IOSTAT_NEED_BUFFER)) { lpfc_sli_hbqbuf_add_hbqs(phba, LPFC_ELS_HBQ); @@ -122,7 +101,7 @@ lpfc_ct_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, /* Not enough posted buffers; Try posting more buffers */ phba->fc_stat.NoRcvBuf++; if (!(phba->sli3_options & LPFC_SLI3_HBQ_ENABLED)) - lpfc_post_buffer(phba, pring, 0, 1); + lpfc_post_buffer(phba, pring, 2, 1); return; } @@ -133,38 +112,34 @@ lpfc_ct_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, return; if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) { - list_for_each_entry(iocbq, &piocbq->list, list) { + INIT_LIST_HEAD(&head); + list_add_tail(&head, &piocbq->list); + list_for_each_entry(iocbq, &head, list) { icmd = &iocbq->iocb; - if (icmd->ulpBdeCount == 0) { - printk(KERN_ERR "%s (%d): Unsolited CT, no " - "BDE, iocbq = %p, status = x%x\n", - __FUNCTION__, __LINE__, - iocbq, iocbq->iocb.ulpStatus); + if (icmd->ulpBdeCount == 0) continue; - } - + bdeBuf = iocbq->context2; + iocbq->context2 = NULL; size = icmd->un.cont64[0].tus.f.bdeSize; - lpfc_ct_ignore_hbq_buffer(phba, piocbq, bdeBuf1, size); - lpfc_in_buf_free(phba, bdeBuf1); + lpfc_ct_unsol_buffer(phba, piocbq, bdeBuf, size); + lpfc_in_buf_free(phba, bdeBuf); if (icmd->ulpBdeCount == 2) { - lpfc_ct_ignore_hbq_buffer(phba, piocbq, bdeBuf2, - size); - lpfc_in_buf_free(phba, bdeBuf2); + bdeBuf = iocbq->context3; + iocbq->context3 = NULL; + size = icmd->unsli3.rcvsli3.bde2.tus.f.bdeSize; + lpfc_ct_unsol_buffer(phba, piocbq, bdeBuf, + size); + lpfc_in_buf_free(phba, bdeBuf); } } + list_del(&head); } else { struct lpfc_iocbq *next; list_for_each_entry_safe(iocbq, next, &piocbq->list, list) { icmd = &iocbq->iocb; - if (icmd->ulpBdeCount == 0) { - printk(KERN_ERR "%s (%d): Unsolited CT, no " - "BDE, iocbq = %p, status = x%x\n", - __FUNCTION__, __LINE__, - iocbq, iocbq->iocb.ulpStatus); - continue; - } - + if (icmd->ulpBdeCount == 0) + lpfc_ct_unsol_buffer(phba, piocbq, NULL, 0); for (i = 0; i < icmd->ulpBdeCount; i++) { paddr = getPaddr(icmd->un.cont64[i].addrHigh, icmd->un.cont64[i].addrLow); @@ -176,6 +151,7 @@ lpfc_ct_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, } list_del(&iocbq->list); lpfc_sli_release_iocbq(phba, iocbq); + lpfc_post_buffer(phba, pring, i, 1); } } } -- cgit v1.2.3-70-g09d2