[SCSI] lpfc 8.3.17: BSG fixes

- Add support for bsg MBX_SLI4_CONFIG.
- Multiply linkup timeout in loopback test code by 100.
- Set iocb_stat to 0 in the lpfcdiag_loop_get_xri function.

Signed-off-by: Alex Iannicelli <alex.iannicelli@emulex.com>
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>

diff --git a/drivers/scsi/lpfc/lpfc_bsg.c b/drivers/scsi/lpfc/lpfc_bsg.c
index 10cfc64782ad340c6102d5e3d24212bbf346ddaf..f5d60b55f53a37d5d8e6b2a12b9fb8107771c131 100644 (file)
--- a/drivers/scsi/lpfc/lpfc_bsg.c
+++ b/drivers/scsi/lpfc/lpfc_bsg.c
@@ -1518,7 +1518,7 @@ lpfc_bsg_diag_mode(struct fc_bsg_job *job)
        loopback_mode = (struct diag_mode_set *)
                job->request->rqst_data.h_vendor.vendor_cmd;
        link_flags = loopback_mode->type;
-       timeout = loopback_mode->timeout;
+       timeout = loopback_mode->timeout * 100;
 
        if ((phba->link_state == LPFC_HBA_ERROR) ||
            (psli->sli_flag & LPFC_BLOCK_MGMT_IO) ||
@@ -1732,7 +1732,7 @@ static int lpfcdiag_loop_get_xri(struct lpfc_hba *phba, uint16_t rpi,
        struct lpfc_sli_ct_request *ctreq = NULL;
        int ret_val = 0;
        int time_left;
-       int iocb_stat;
+       int iocb_stat = 0;
        unsigned long flags;
 
        *txxri = 0;
@@ -2473,6 +2473,17 @@ lpfc_bsg_wake_mbox_wait(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq)
                        to += sizeof(MAILBOX_t);
                        size = pmboxq->u.mb.un.varWords[5];
                        memcpy(to, from, size);
+               } else if ((phba->sli_rev == LPFC_SLI_REV4) &&
+                       (pmboxq->u.mb.mbxCommand == MBX_SLI4_CONFIG)) {
+                       struct lpfc_mbx_nembed_cmd *nembed_sge =
+                               (struct lpfc_mbx_nembed_cmd *)
+                               &pmboxq->u.mb.un.varWords[0];
+
+                       from = (uint8_t *)dd_data->context_un.mbox.dmp->dma.
+                                               virt;
+                       to += sizeof(MAILBOX_t);
+                       size = nembed_sge->sge[0].length;
+                       memcpy(to, from, size);
                } else if (pmboxq->u.mb.mbxCommand == MBX_READ_EVENT_LOG) {
                        from = (uint8_t *)dd_data->context_un.
                                                mbox.dmp->dma.virt;
@@ -2914,6 +2925,59 @@ lpfc_bsg_issue_mbox(struct lpfc_hba *phba, struct fc_bsg_job *job,
                        from += sizeof(MAILBOX_t);
                        memcpy((uint8_t *)dmp->dma.virt, from,
                                bde->tus.f.bdeSize);
+               } else if (pmb->mbxCommand == MBX_SLI4_CONFIG) {
+                       struct lpfc_mbx_nembed_cmd *nembed_sge;
+                       struct mbox_header *header;
+                       uint32_t receive_length;
+
+                       /* rebuild the command for sli4 using our own buffers
+                       * like we do for biu diags
+                       */
+                       header = (struct mbox_header *)&pmb->un.varWords[0];
+                       nembed_sge = (struct lpfc_mbx_nembed_cmd *)
+                               &pmb->un.varWords[0];
+                       receive_length = nembed_sge->sge[0].length;
+
+                       /* receive length cannot be greater than mailbox
+                        * extension size
+                        */
+                       if ((receive_length == 0) ||
+                               (receive_length > MAILBOX_EXT_SIZE)) {
+                               rc = -ERANGE;
+                               goto job_done;
+                       }
+
+                       rxbmp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
+                       if (!rxbmp) {
+                               rc = -ENOMEM;
+                               goto job_done;
+                       }
+
+                       rxbmp->virt = lpfc_mbuf_alloc(phba, 0, &rxbmp->phys);
+                       if (!rxbmp->virt) {
+                               rc = -ENOMEM;
+                               goto job_done;
+                       }
+
+                       INIT_LIST_HEAD(&rxbmp->list);
+                       rxbpl = (struct ulp_bde64 *) rxbmp->virt;
+                       dmp = diag_cmd_data_alloc(phba, rxbpl, receive_length,
+                                               0);
+                       if (!dmp) {
+                               rc = -ENOMEM;
+                               goto job_done;
+                       }
+
+                       INIT_LIST_HEAD(&dmp->dma.list);
+                       nembed_sge->sge[0].pa_hi = putPaddrHigh(dmp->dma.phys);
+                       nembed_sge->sge[0].pa_lo = putPaddrLow(dmp->dma.phys);
+                       /* copy the transmit data found in the mailbox
+                        * extension area
+                        */
+                       from = (uint8_t *)mb;
+                       from += sizeof(MAILBOX_t);
+                       memcpy((uint8_t *)dmp->dma.virt, from,
+                               header->cfg_mhdr.payload_length);
                }
        }