]> git.karo-electronics.de Git - karo-tx-linux.git/blobdiff - drivers/scsi/lpfc/lpfc_init.c
Merge tag 'platform-drivers-x86-v4.12-2' of git://git.infradead.org/linux-platform...
[karo-tx-linux.git] / drivers / scsi / lpfc / lpfc_init.c
index 4b1eb98c228df823a986f5568f8b948a7b2ef9bf..9add9473cae52a1f2bf5d1b78a8854a57c9f6192 100644 (file)
@@ -1099,7 +1099,7 @@ lpfc_hba_down_post_s4(struct lpfc_hba *phba)
 
                list_for_each_entry_safe(ctxp, ctxp_next, &nvmet_aborts, list) {
                        ctxp->flag &= ~(LPFC_NVMET_XBUSY | LPFC_NVMET_ABORT_OP);
-                       lpfc_nvmet_rq_post(phba, ctxp, &ctxp->rqb_buffer->hbuf);
+                       lpfc_nvmet_ctxbuf_post(phba, ctxp->ctxbuf);
                }
        }
 
@@ -3381,7 +3381,7 @@ lpfc_sli4_nvmet_sgl_update(struct lpfc_hba *phba)
 {
        struct lpfc_sglq *sglq_entry = NULL, *sglq_entry_next = NULL;
        uint16_t i, lxri, xri_cnt, els_xri_cnt;
-       uint16_t nvmet_xri_cnt, tot_cnt;
+       uint16_t nvmet_xri_cnt;
        LIST_HEAD(nvmet_sgl_list);
        int rc;
 
@@ -3389,15 +3389,9 @@ lpfc_sli4_nvmet_sgl_update(struct lpfc_hba *phba)
         * update on pci function's nvmet xri-sgl list
         */
        els_xri_cnt = lpfc_sli4_get_els_iocb_cnt(phba);
-       nvmet_xri_cnt = phba->cfg_nvmet_mrq * phba->cfg_nvmet_mrq_post;
-       tot_cnt = phba->sli4_hba.max_cfg_param.max_xri - els_xri_cnt;
-       if (nvmet_xri_cnt > tot_cnt) {
-               phba->cfg_nvmet_mrq_post = tot_cnt / phba->cfg_nvmet_mrq;
-               nvmet_xri_cnt = phba->cfg_nvmet_mrq * phba->cfg_nvmet_mrq_post;
-               lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
-                               "6301 NVMET post-sgl count changed to %d\n",
-                               phba->cfg_nvmet_mrq_post);
-       }
+
+       /* For NVMET, ALL remaining XRIs are dedicated for IO processing */
+       nvmet_xri_cnt = phba->sli4_hba.max_cfg_param.max_xri - els_xri_cnt;
 
        if (nvmet_xri_cnt > phba->sli4_hba.nvmet_xri_cnt) {
                /* els xri-sgl expanded */
@@ -4546,6 +4540,19 @@ lpfc_sli4_async_fc_evt(struct lpfc_hba *phba, struct lpfc_acqe_fc_la *acqe_fc)
        pmb->vport = phba->pport;
 
        if (phba->sli4_hba.link_state.status != LPFC_FC_LA_TYPE_LINK_UP) {
+               phba->link_flag &= ~(LS_MDS_LINK_DOWN | LS_MDS_LOOPBACK);
+
+               switch (phba->sli4_hba.link_state.status) {
+               case LPFC_FC_LA_TYPE_MDS_LINK_DOWN:
+                       phba->link_flag |= LS_MDS_LINK_DOWN;
+                       break;
+               case LPFC_FC_LA_TYPE_MDS_LOOPBACK:
+                       phba->link_flag |= LS_MDS_LOOPBACK;
+                       break;
+               default:
+                       break;
+               }
+
                /* Parse and translate status field */
                mb = &pmb->u.mb;
                mb->mbxStatus = lpfc_sli4_parse_latt_fault(phba,
@@ -5830,6 +5837,9 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba)
                spin_lock_init(&phba->sli4_hba.abts_nvme_buf_list_lock);
                INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_nvme_buf_list);
                INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_nvmet_ctx_list);
+               INIT_LIST_HEAD(&phba->sli4_hba.lpfc_nvmet_ctx_list);
+               INIT_LIST_HEAD(&phba->sli4_hba.lpfc_nvmet_io_wait_list);
+
                /* Fast-path XRI aborted CQ Event work queue list */
                INIT_LIST_HEAD(&phba->sli4_hba.sp_nvme_xri_aborted_work_queue);
        }
@@ -5837,6 +5847,7 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba)
        /* This abort list used by worker thread */
        spin_lock_init(&phba->sli4_hba.sgl_list_lock);
        spin_lock_init(&phba->sli4_hba.nvmet_io_lock);
+       spin_lock_init(&phba->sli4_hba.nvmet_io_wait_lock);
 
        /*
         * Initialize driver internal slow-path work queues
@@ -5951,16 +5962,21 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba)
                for (i = 0; i < lpfc_enable_nvmet_cnt; i++) {
                        if (wwn == lpfc_enable_nvmet[i]) {
 #if (IS_ENABLED(CONFIG_NVME_TARGET_FC))
+                               if (lpfc_nvmet_mem_alloc(phba))
+                                       break;
+
+                               phba->nvmet_support = 1; /* a match */
+
                                lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
                                                "6017 NVME Target %016llx\n",
                                                wwn);
-                               phba->nvmet_support = 1; /* a match */
 #else
                                lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
                                                "6021 Can't enable NVME Target."
                                                " NVME_TARGET_FC infrastructure"
                                                " is not in kernel\n");
 #endif
+                               break;
                        }
                }
        }
@@ -6269,7 +6285,7 @@ lpfc_unset_driver_resource_phase2(struct lpfc_hba *phba)
  *
  * This routine is invoked to free the driver's IOCB list and memory.
  **/
-static void
+void
 lpfc_free_iocb_list(struct lpfc_hba *phba)
 {
        struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL;
@@ -6297,7 +6313,7 @@ lpfc_free_iocb_list(struct lpfc_hba *phba)
  *     0 - successful
  *     other values - error
  **/
-static int
+int
 lpfc_init_iocb_list(struct lpfc_hba *phba, int iocb_count)
 {
        struct lpfc_iocbq *iocbq_entry = NULL;
@@ -6525,7 +6541,6 @@ lpfc_sli4_create_rpi_hdr(struct lpfc_hba *phba)
        uint16_t rpi_limit, curr_rpi_range;
        struct lpfc_dmabuf *dmabuf;
        struct lpfc_rpi_hdr *rpi_hdr;
-       uint32_t rpi_count;
 
        /*
         * If the SLI4 port supports extents, posting the rpi header isn't
@@ -6538,8 +6553,7 @@ lpfc_sli4_create_rpi_hdr(struct lpfc_hba *phba)
                return NULL;
 
        /* The limit on the logical index is just the max_rpi count. */
-       rpi_limit = phba->sli4_hba.max_cfg_param.rpi_base +
-       phba->sli4_hba.max_cfg_param.max_rpi - 1;
+       rpi_limit = phba->sli4_hba.max_cfg_param.max_rpi;
 
        spin_lock_irq(&phba->hbalock);
        /*
@@ -6550,18 +6564,10 @@ lpfc_sli4_create_rpi_hdr(struct lpfc_hba *phba)
        curr_rpi_range = phba->sli4_hba.next_rpi;
        spin_unlock_irq(&phba->hbalock);
 
-       /*
-        * The port has a limited number of rpis. The increment here
-        * is LPFC_RPI_HDR_COUNT - 1 to account for the starting value
-        * and to allow the full max_rpi range per port.
-        */
-       if ((curr_rpi_range + (LPFC_RPI_HDR_COUNT - 1)) > rpi_limit)
-               rpi_count = rpi_limit - curr_rpi_range;
-       else
-               rpi_count = LPFC_RPI_HDR_COUNT;
-
-       if (!rpi_count)
+       /* Reached full RPI range */
+       if (curr_rpi_range == rpi_limit)
                return NULL;
+
        /*
         * First allocate the protocol header region for the port.  The
         * port expects a 4KB DMA-mapped memory region that is 4K aligned.
@@ -6595,13 +6601,9 @@ lpfc_sli4_create_rpi_hdr(struct lpfc_hba *phba)
 
        /* The rpi_hdr stores the logical index only. */
        rpi_hdr->start_rpi = curr_rpi_range;
+       rpi_hdr->next_rpi = phba->sli4_hba.next_rpi + LPFC_RPI_HDR_COUNT;
        list_add_tail(&rpi_hdr->list, &phba->sli4_hba.lpfc_rpi_hdr_list);
 
-       /*
-        * The next_rpi stores the next logical module-64 rpi value used
-        * to post physical rpis in subsequent rpi postings.
-        */
-       phba->sli4_hba.next_rpi += rpi_count;
        spin_unlock_irq(&phba->hbalock);
        return rpi_hdr;
 
@@ -8172,7 +8174,7 @@ lpfc_sli4_queue_create(struct lpfc_hba *phba)
                        /* Create NVMET Receive Queue for header */
                        qdesc = lpfc_sli4_queue_alloc(phba,
                                                      phba->sli4_hba.rq_esize,
-                                                     phba->sli4_hba.rq_ecount);
+                                                     LPFC_NVMET_RQE_DEF_COUNT);
                        if (!qdesc) {
                                lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
                                                "3146 Failed allocate "
@@ -8194,7 +8196,7 @@ lpfc_sli4_queue_create(struct lpfc_hba *phba)
                        /* Create NVMET Receive Queue for data */
                        qdesc = lpfc_sli4_queue_alloc(phba,
                                                      phba->sli4_hba.rq_esize,
-                                                     phba->sli4_hba.rq_ecount);
+                                                     LPFC_NVMET_RQE_DEF_COUNT);
                        if (!qdesc) {
                                lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
                                                "3156 Failed allocate "
@@ -8325,46 +8327,6 @@ lpfc_sli4_queue_destroy(struct lpfc_hba *phba)
        INIT_LIST_HEAD(&phba->sli4_hba.lpfc_wq_list);
 }
 
-int
-lpfc_post_rq_buffer(struct lpfc_hba *phba, struct lpfc_queue *hrq,
-                   struct lpfc_queue *drq, int count)
-{
-       int rc, i;
-       struct lpfc_rqe hrqe;
-       struct lpfc_rqe drqe;
-       struct lpfc_rqb *rqbp;
-       struct rqb_dmabuf *rqb_buffer;
-       LIST_HEAD(rqb_buf_list);
-
-       rqbp = hrq->rqbp;
-       for (i = 0; i < count; i++) {
-               rqb_buffer = (rqbp->rqb_alloc_buffer)(phba);
-               if (!rqb_buffer)
-                       break;
-               rqb_buffer->hrq = hrq;
-               rqb_buffer->drq = drq;
-               list_add_tail(&rqb_buffer->hbuf.list, &rqb_buf_list);
-       }
-       while (!list_empty(&rqb_buf_list)) {
-               list_remove_head(&rqb_buf_list, rqb_buffer, struct rqb_dmabuf,
-                                hbuf.list);
-
-               hrqe.address_lo = putPaddrLow(rqb_buffer->hbuf.phys);
-               hrqe.address_hi = putPaddrHigh(rqb_buffer->hbuf.phys);
-               drqe.address_lo = putPaddrLow(rqb_buffer->dbuf.phys);
-               drqe.address_hi = putPaddrHigh(rqb_buffer->dbuf.phys);
-               rc = lpfc_sli4_rq_put(hrq, drq, &hrqe, &drqe);
-               if (rc < 0) {
-                       (rqbp->rqb_free_buffer)(phba, rqb_buffer);
-               } else {
-                       list_add_tail(&rqb_buffer->hbuf.list,
-                                     &rqbp->rqb_buffer_list);
-                       rqbp->buffer_count++;
-               }
-       }
-       return 1;
-}
-
 int
 lpfc_free_rq_buffer(struct lpfc_hba *phba, struct lpfc_queue *rq)
 {
@@ -8784,9 +8746,6 @@ lpfc_sli4_queue_setup(struct lpfc_hba *phba)
                goto out_destroy;
        }
 
-       lpfc_rq_adjust_repost(phba, phba->sli4_hba.hdr_rq, LPFC_ELS_HBQ);
-       lpfc_rq_adjust_repost(phba, phba->sli4_hba.dat_rq, LPFC_ELS_HBQ);
-
        rc = lpfc_rq_create(phba, phba->sli4_hba.hdr_rq, phba->sli4_hba.dat_rq,
                            phba->sli4_hba.els_cq, LPFC_USOL);
        if (rc) {
@@ -11110,7 +11069,7 @@ lpfc_pci_probe_one_s4(struct pci_dev *pdev, const struct pci_device_id *pid)
        struct lpfc_hba   *phba;
        struct lpfc_vport *vport = NULL;
        struct Scsi_Host  *shost = NULL;
-       int error, cnt;
+       int error;
        uint32_t cfg_mode, intr_mode;
 
        /* Allocate memory for HBA structure */
@@ -11144,22 +11103,6 @@ lpfc_pci_probe_one_s4(struct pci_dev *pdev, const struct pci_device_id *pid)
                goto out_unset_pci_mem_s4;
        }
 
-       cnt = phba->cfg_iocb_cnt * 1024;
-       if (phba->nvmet_support)
-               cnt += phba->cfg_nvmet_mrq_post * phba->cfg_nvmet_mrq;
-
-       /* Initialize and populate the iocb list per host */
-       lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
-                       "2821 initialize iocb list %d total %d\n",
-                       phba->cfg_iocb_cnt, cnt);
-       error = lpfc_init_iocb_list(phba, cnt);
-
-       if (error) {
-               lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
-                               "1413 Failed to initialize iocb list.\n");
-               goto out_unset_driver_resource_s4;
-       }
-
        INIT_LIST_HEAD(&phba->active_rrq_list);
        INIT_LIST_HEAD(&phba->fcf.fcf_pri_list);
 
@@ -11168,7 +11111,7 @@ lpfc_pci_probe_one_s4(struct pci_dev *pdev, const struct pci_device_id *pid)
        if (error) {
                lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
                                "1414 Failed to set up driver resource.\n");
-               goto out_free_iocb_list;
+               goto out_unset_driver_resource_s4;
        }
 
        /* Get the default values for Model Name and Description */
@@ -11268,8 +11211,6 @@ out_destroy_shost:
        lpfc_destroy_shost(phba);
 out_unset_driver_resource:
        lpfc_unset_driver_resource_phase2(phba);
-out_free_iocb_list:
-       lpfc_free_iocb_list(phba);
 out_unset_driver_resource_s4:
        lpfc_sli4_driver_resource_unset(phba);
 out_unset_pci_mem_s4: