[SCSI] lpfc: NPIV: add SLI-3 interface
NPIV support is only available via new adapter interface extensions, termed SLI-3. This interface changes some of the basic behaviors such as command and response ring element sizes and data structures, as well as a change in buffer posting. Note: the new firmware extensions are found only on our mid-range and enterprise 4Gig adapters - so NPIV support is available only on these newer adapters. The latest firmware can be downloaded from the Emulex support page. Signed-off-by: James Smart <James.Smart@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
此提交包含在：
James Smart
@@ -58,25 +58,66 @@ static char *lpfc_release_version = LPFC_DRIVER_VERSION;
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/*
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* lpfc_ct_unsol_event
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*/
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static void
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lpfc_ct_unsol_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq,
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struct lpfc_dmabuf *mp, uint32_t size)
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{
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if (!mp) {
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printk(KERN_ERR "%s (%d): Unsolited CT, no buffer, "
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"piocbq = %p, status = x%x, mp = %p, size = %d\n",
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__FUNCTION__, __LINE__,
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piocbq, piocbq->iocb.ulpStatus, mp, size);
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}
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printk(KERN_ERR "%s (%d): Ignoring unsolicted CT piocbq = %p, "
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"buffer = %p, size = %d, status = x%x\n",
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__FUNCTION__, __LINE__,
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piocbq, mp, size,
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piocbq->iocb.ulpStatus);
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}
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static void
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lpfc_ct_ignore_hbq_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq,
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struct hbq_dmabuf *sp, uint32_t size)
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{
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struct lpfc_dmabuf *mp = NULL;
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mp = sp ? &sp->dbuf : NULL;
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if (!mp) {
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printk(KERN_ERR "%s (%d): Unsolited CT, no "
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"HBQ buffer, piocbq = %p, status = x%x\n",
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__FUNCTION__, __LINE__,
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piocbq, piocbq->iocb.ulpStatus);
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} else {
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lpfc_ct_unsol_buffer(phba, piocbq, mp, size);
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printk(KERN_ERR "%s (%d): Ignoring unsolicted CT "
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"piocbq = %p, buffer = %p, size = %d, "
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"status = x%x\n",
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__FUNCTION__, __LINE__,
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piocbq, mp, size, piocbq->iocb.ulpStatus);
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}
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}
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void
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lpfc_ct_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
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struct lpfc_iocbq *piocbq)
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{
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struct lpfc_iocbq *next_piocbq;
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struct lpfc_dmabuf *pmbuf = NULL;
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struct lpfc_dmabuf *matp = NULL, *next_matp;
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uint32_t ctx = 0, size = 0, cnt = 0;
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struct lpfc_dmabuf *mp = NULL;
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struct hbq_dmabuf *sp = NULL;
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IOCB_t *icmd = &piocbq->iocb;
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IOCB_t *save_icmd = icmd;
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int i, go_exit = 0;
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struct list_head head;
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int i;
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struct lpfc_iocbq *iocbq;
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dma_addr_t paddr;
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uint32_t size;
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if ((icmd->ulpStatus == IOSTAT_LOCAL_REJECT) &&
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((icmd->un.ulpWord[4] & 0xff) == IOERR_RCV_BUFFER_WAITING)) {
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((icmd->un.ulpWord[4] & 0xff) == IOERR_RCV_BUFFER_WAITING)) {
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/* Not enough posted buffers; Try posting more buffers */
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phba->fc_stat.NoRcvBuf++;
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lpfc_post_buffer(phba, pring, 0, 1);
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if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED)
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lpfc_sli_hbqbuf_fill_hbq(phba);
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else
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lpfc_post_buffer(phba, pring, 0, 1);
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return;
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}
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@@ -86,62 +127,62 @@ lpfc_ct_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
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if (icmd->ulpBdeCount == 0)
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return;
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INIT_LIST_HEAD(&head);
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list_add_tail(&head, &piocbq->list);
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list_for_each_entry_safe(piocbq, next_piocbq, &head, list) {
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icmd = &piocbq->iocb;
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if (ctx == 0)
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ctx = (uint32_t) (icmd->ulpContext);
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if (icmd->ulpBdeCount == 0)
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continue;
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for (i = 0; i < icmd->ulpBdeCount; i++) {
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matp = lpfc_sli_ringpostbuf_get(phba, pring,
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getPaddr(icmd->un.
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cont64[i].
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addrHigh,
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icmd->un.
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cont64[i].
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addrLow));
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if (!matp) {
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/* Insert lpfc log message here */
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lpfc_post_buffer(phba, pring, cnt, 1);
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go_exit = 1;
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goto ct_unsol_event_exit_piocbq;
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if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) {
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list_for_each_entry(iocbq, &piocbq->list, list) {
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icmd = &iocbq->iocb;
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if (icmd->ulpBdeCount == 0) {
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printk(KERN_ERR "%s (%d): Unsolited CT, no "
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"BDE, iocbq = %p, status = x%x\n",
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__FUNCTION__, __LINE__,
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iocbq, iocbq->iocb.ulpStatus);
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continue;
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}
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/* Typically for Unsolicited CT requests */
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if (!pmbuf) {
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pmbuf = matp;
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INIT_LIST_HEAD(&pmbuf->list);
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} else
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list_add_tail(&matp->list, &pmbuf->list);
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size = icmd->un.cont64[0].tus.f.bdeSize;
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sp = lpfc_sli_hbqbuf_find(phba, icmd->un.ulpWord[3]);
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if (sp)
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phba->hbq_buff_count--;
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lpfc_ct_ignore_hbq_buffer(phba, iocbq, sp, size);
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lpfc_sli_free_hbq(phba, sp);
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if (icmd->ulpBdeCount == 2) {
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sp = lpfc_sli_hbqbuf_find(phba,
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icmd->un.ulpWord[15]);
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if (sp)
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phba->hbq_buff_count--;
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lpfc_ct_ignore_hbq_buffer(phba, iocbq, sp,
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size);
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lpfc_sli_free_hbq(phba, sp);
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}
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size += icmd->un.cont64[i].tus.f.bdeSize;
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cnt++;
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}
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lpfc_sli_hbqbuf_fill_hbq(phba);
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} else {
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struct lpfc_iocbq *next;
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icmd->ulpBdeCount = 0;
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}
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list_for_each_entry_safe(iocbq, next, &piocbq->list, list) {
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icmd = &iocbq->iocb;
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if (icmd->ulpBdeCount == 0) {
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printk(KERN_ERR "%s (%d): Unsolited CT, no "
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"BDE, iocbq = %p, status = x%x\n",
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__FUNCTION__, __LINE__,
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iocbq, iocbq->iocb.ulpStatus);
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continue;
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}
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lpfc_post_buffer(phba, pring, cnt, 1);
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if (save_icmd->ulpStatus) {
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go_exit = 1;
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}
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ct_unsol_event_exit_piocbq:
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list_del(&head);
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if (pmbuf) {
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list_for_each_entry_safe(matp, next_matp, &pmbuf->list, list) {
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lpfc_mbuf_free(phba, matp->virt, matp->phys);
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list_del(&matp->list);
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kfree(matp);
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for (i = 0; i < icmd->ulpBdeCount; i++) {
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paddr = getPaddr(icmd->un.cont64[i].addrHigh,
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icmd->un.cont64[i].addrLow);
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mp = lpfc_sli_ringpostbuf_get(phba, pring,
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paddr);
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size = icmd->un.cont64[i].tus.f.bdeSize;
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lpfc_ct_unsol_buffer(phba, piocbq, mp, size);
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lpfc_mbuf_free(phba, mp->virt, mp->phys);
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kfree(mp);
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}
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list_del(&iocbq->list);
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lpfc_sli_release_iocbq(phba, iocbq);
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}
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lpfc_mbuf_free(phba, pmbuf->virt, pmbuf->phys);
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kfree(pmbuf);
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}
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return;
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}
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static void
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@@ -364,9 +405,7 @@ lpfc_ns_rsp(struct lpfc_vport *vport, struct lpfc_dmabuf *mp, uint32_t Size)
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vport->fc_flag,
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vport->fc_rscn_id_cnt);
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} else {
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lpfc_printf_log(phba,
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KERN_INFO,
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LOG_DISCOVERY,
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lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY,
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"%d:0239 Skip x%x NameServer "
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"Rsp Data: x%x x%x x%x\n",
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phba->brd_no,
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@@ -717,12 +756,9 @@ lpfc_cmpl_ct_cmd_fdmi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
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ndlp = lpfc_findnode_did(vport, FDMI_DID);
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if (fdmi_rsp == be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) {
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/* FDMI rsp failed */
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lpfc_printf_log(phba,
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KERN_INFO,
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LOG_DISCOVERY,
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"%d:0220 FDMI rsp failed Data: x%x\n",
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phba->brd_no,
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be16_to_cpu(fdmi_cmd));
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lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY,
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"%d:0220 FDMI rsp failed Data: x%x\n",
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phba->brd_no, be16_to_cpu(fdmi_cmd));
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}
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switch (be16_to_cpu(fdmi_cmd)) {
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@@ -791,9 +827,7 @@ lpfc_fdmi_cmd(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, int cmdcode)
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INIT_LIST_HEAD(&bmp->list);
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/* FDMI request */
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lpfc_printf_log(phba,
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KERN_INFO,
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LOG_DISCOVERY,
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lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY,
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"%d:0218 FDMI Request Data: x%x x%x x%x\n",
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phba->brd_no,
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vport->fc_flag, vport->port_state, cmdcode);
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@@ -1120,12 +1154,9 @@ fdmi_cmd_free_mp:
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kfree(mp);
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fdmi_cmd_exit:
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/* Issue FDMI request failed */
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lpfc_printf_log(phba,
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KERN_INFO,
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LOG_DISCOVERY,
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lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY,
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"%d:0244 Issue FDMI request failed Data: x%x\n",
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phba->brd_no,
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cmdcode);
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phba->brd_no, cmdcode);
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return 1;
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}
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