diff options
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_sli.c')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_sli.c | 399 |
1 files changed, 354 insertions, 45 deletions
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index 98999bbd8cbf..8b799f047a99 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -560,7 +560,7 @@ __lpfc_set_rrq_active(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp, rrq = mempool_alloc(phba->rrq_pool, GFP_KERNEL); if (rrq) { rrq->send_rrq = send_rrq; - rrq->xritag = phba->sli4_hba.xri_ids[xritag]; + rrq->xritag = xritag; rrq->rrq_stop_time = jiffies + HZ * (phba->fc_ratov + 1); rrq->ndlp = ndlp; rrq->nlp_DID = ndlp->nlp_DID; @@ -2452,7 +2452,8 @@ lpfc_sli_process_unsol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, /* search continue save q for same XRI */ list_for_each_entry(iocbq, &pring->iocb_continue_saveq, clist) { - if (iocbq->iocb.ulpContext == saveq->iocb.ulpContext) { + if (iocbq->iocb.unsli3.rcvsli3.ox_id == + saveq->iocb.unsli3.rcvsli3.ox_id) { list_add_tail(&saveq->list, &iocbq->list); found = 1; break; @@ -3355,6 +3356,7 @@ lpfc_sli_handle_slow_ring_event_s4(struct lpfc_hba *phba, irspiocbq); break; case CQE_CODE_RECEIVE: + case CQE_CODE_RECEIVE_V1: dmabuf = container_of(cq_event, struct hbq_dmabuf, cq_event); lpfc_sli4_handle_received_buffer(phba, dmabuf); @@ -4712,10 +4714,15 @@ lpfc_sli4_arm_cqeq_intr(struct lpfc_hba *phba) * lpfc_sli4_get_avail_extnt_rsrc - Get available resource extent count. * @phba: Pointer to HBA context object. * @type: The resource extent type. + * @extnt_count: buffer to hold port available extent count. + * @extnt_size: buffer to hold element count per extent. * - * This function allocates all SLI4 resource identifiers. + * This function calls the port and retrievs the number of available + * extents and their size for a particular extent type. + * + * Returns: 0 if successful. Nonzero otherwise. **/ -static int +int lpfc_sli4_get_avail_extnt_rsrc(struct lpfc_hba *phba, uint16_t type, uint16_t *extnt_count, uint16_t *extnt_size) { @@ -4892,7 +4899,7 @@ lpfc_sli4_cfg_post_extnts(struct lpfc_hba *phba, uint16_t *extnt_cnt, req_len, *emb); if (alloc_len < req_len) { lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "9000 Allocated DMA memory size (x%x) is " + "2982 Allocated DMA memory size (x%x) is " "less than the requested DMA memory " "size (x%x)\n", alloc_len, req_len); return -ENOMEM; @@ -5506,6 +5513,154 @@ lpfc_sli4_dealloc_resource_identifiers(struct lpfc_hba *phba) } /** + * lpfc_sli4_get_allocated_extnts - Get the port's allocated extents. + * @phba: Pointer to HBA context object. + * @type: The resource extent type. + * @extnt_count: buffer to hold port extent count response + * @extnt_size: buffer to hold port extent size response. + * + * This function calls the port to read the host allocated extents + * for a particular type. + **/ +int +lpfc_sli4_get_allocated_extnts(struct lpfc_hba *phba, uint16_t type, + uint16_t *extnt_cnt, uint16_t *extnt_size) +{ + bool emb; + int rc = 0; + uint16_t curr_blks = 0; + uint32_t req_len, emb_len; + uint32_t alloc_len, mbox_tmo; + struct list_head *blk_list_head; + struct lpfc_rsrc_blks *rsrc_blk; + LPFC_MBOXQ_t *mbox; + void *virtaddr = NULL; + struct lpfc_mbx_nembed_rsrc_extent *n_rsrc; + struct lpfc_mbx_alloc_rsrc_extents *rsrc_ext; + union lpfc_sli4_cfg_shdr *shdr; + + switch (type) { + case LPFC_RSC_TYPE_FCOE_VPI: + blk_list_head = &phba->lpfc_vpi_blk_list; + break; + case LPFC_RSC_TYPE_FCOE_XRI: + blk_list_head = &phba->sli4_hba.lpfc_xri_blk_list; + break; + case LPFC_RSC_TYPE_FCOE_VFI: + blk_list_head = &phba->sli4_hba.lpfc_vfi_blk_list; + break; + case LPFC_RSC_TYPE_FCOE_RPI: + blk_list_head = &phba->sli4_hba.lpfc_rpi_blk_list; + break; + default: + return -EIO; + } + + /* Count the number of extents currently allocatd for this type. */ + list_for_each_entry(rsrc_blk, blk_list_head, list) { + if (curr_blks == 0) { + /* + * The GET_ALLOCATED mailbox does not return the size, + * just the count. The size should be just the size + * stored in the current allocated block and all sizes + * for an extent type are the same so set the return + * value now. + */ + *extnt_size = rsrc_blk->rsrc_size; + } + curr_blks++; + } + + /* Calculate the total requested length of the dma memory. */ + req_len = curr_blks * sizeof(uint16_t); + + /* + * Calculate the size of an embedded mailbox. The uint32_t + * accounts for extents-specific word. + */ + emb_len = sizeof(MAILBOX_t) - sizeof(struct mbox_header) - + sizeof(uint32_t); + + /* + * Presume the allocation and response will fit into an embedded + * mailbox. If not true, reconfigure to a non-embedded mailbox. + */ + emb = LPFC_SLI4_MBX_EMBED; + req_len = emb_len; + if (req_len > emb_len) { + req_len = curr_blks * sizeof(uint16_t) + + sizeof(union lpfc_sli4_cfg_shdr) + + sizeof(uint32_t); + emb = LPFC_SLI4_MBX_NEMBED; + } + + mbox = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); + if (!mbox) + return -ENOMEM; + memset(mbox, 0, sizeof(LPFC_MBOXQ_t)); + + alloc_len = lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, + LPFC_MBOX_OPCODE_GET_ALLOC_RSRC_EXTENT, + req_len, emb); + if (alloc_len < req_len) { + lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + "2983 Allocated DMA memory size (x%x) is " + "less than the requested DMA memory " + "size (x%x)\n", alloc_len, req_len); + rc = -ENOMEM; + goto err_exit; + } + rc = lpfc_sli4_mbox_rsrc_extent(phba, mbox, curr_blks, type, emb); + if (unlikely(rc)) { + rc = -EIO; + goto err_exit; + } + + if (!phba->sli4_hba.intr_enable) + rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); + else { + mbox_tmo = lpfc_mbox_tmo_val(phba, MBX_SLI4_CONFIG); + rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo); + } + + if (unlikely(rc)) { + rc = -EIO; + goto err_exit; + } + + /* + * Figure out where the response is located. Then get local pointers + * to the response data. The port does not guarantee to respond to + * all extents counts request so update the local variable with the + * allocated count from the port. + */ + if (emb == LPFC_SLI4_MBX_EMBED) { + rsrc_ext = &mbox->u.mqe.un.alloc_rsrc_extents; + shdr = &rsrc_ext->header.cfg_shdr; + *extnt_cnt = bf_get(lpfc_mbx_rsrc_cnt, &rsrc_ext->u.rsp); + } else { + virtaddr = mbox->sge_array->addr[0]; + n_rsrc = (struct lpfc_mbx_nembed_rsrc_extent *) virtaddr; + shdr = &n_rsrc->cfg_shdr; + *extnt_cnt = bf_get(lpfc_mbx_rsrc_cnt, n_rsrc); + } + + if (bf_get(lpfc_mbox_hdr_status, &shdr->response)) { + lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_INIT, + "2984 Failed to read allocated resources " + "for type %d - Status 0x%x Add'l Status 0x%x.\n", + type, + bf_get(lpfc_mbox_hdr_status, &shdr->response), + bf_get(lpfc_mbox_hdr_add_status, &shdr->response)); + rc = -EIO; + goto err_exit; + } + err_exit: + lpfc_sli4_mbox_cmd_free(phba, mbox); + return rc; +} + +/** * lpfc_sli4_hba_setup - SLI4 device intialization PCI function * @phba: Pointer to HBA context object. * @@ -5837,6 +5992,7 @@ lpfc_sli4_hba_setup(struct lpfc_hba *phba) "Advanced Error Reporting (AER)\n"); phba->cfg_aer_support = 0; } + rc = 0; } if (!(phba->hba_flag & HBA_FCOE_MODE)) { @@ -6634,6 +6790,9 @@ lpfc_sli_issue_mbox_s4(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq, unsigned long iflags; int rc; + /* dump from issue mailbox command if setup */ + lpfc_idiag_mbxacc_dump_issue_mbox(phba, &mboxq->u.mb); + rc = lpfc_mbox_dev_check(phba); if (unlikely(rc)) { lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, @@ -7318,12 +7477,12 @@ lpfc_sli4_iocb2wqe(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq, bf_set(wqe_qosd, &wqe->els_req.wqe_com, 1); bf_set(wqe_lenloc, &wqe->els_req.wqe_com, LPFC_WQE_LENLOC_NONE); bf_set(wqe_ebde_cnt, &wqe->els_req.wqe_com, 0); - break; + break; case CMD_XMIT_SEQUENCE64_CX: bf_set(wqe_ctxt_tag, &wqe->xmit_sequence.wqe_com, iocbq->iocb.un.ulpWord[3]); bf_set(wqe_rcvoxid, &wqe->xmit_sequence.wqe_com, - iocbq->iocb.ulpContext); + iocbq->iocb.unsli3.rcvsli3.ox_id); /* The entire sequence is transmitted for this IOCB */ xmit_len = total_len; cmnd = CMD_XMIT_SEQUENCE64_CR; @@ -7341,7 +7500,7 @@ lpfc_sli4_iocb2wqe(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq, bf_set(wqe_ebde_cnt, &wqe->xmit_sequence.wqe_com, 0); wqe->xmit_sequence.xmit_len = xmit_len; command_type = OTHER_COMMAND; - break; + break; case CMD_XMIT_BCAST64_CN: /* word3 iocb=iotag32 wqe=seq_payload_len */ wqe->xmit_bcast64.seq_payload_len = xmit_len; @@ -7355,7 +7514,7 @@ lpfc_sli4_iocb2wqe(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq, bf_set(wqe_lenloc, &wqe->xmit_bcast64.wqe_com, LPFC_WQE_LENLOC_WORD3); bf_set(wqe_ebde_cnt, &wqe->xmit_bcast64.wqe_com, 0); - break; + break; case CMD_FCP_IWRITE64_CR: command_type = FCP_COMMAND_DATA_OUT; /* word3 iocb=iotag wqe=payload_offset_len */ @@ -7375,7 +7534,7 @@ lpfc_sli4_iocb2wqe(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq, LPFC_WQE_LENLOC_WORD4); bf_set(wqe_ebde_cnt, &wqe->fcp_iwrite.wqe_com, 0); bf_set(wqe_pu, &wqe->fcp_iwrite.wqe_com, iocbq->iocb.ulpPU); - break; + break; case CMD_FCP_IREAD64_CR: /* word3 iocb=iotag wqe=payload_offset_len */ /* Add the FCP_CMD and FCP_RSP sizes to get the offset */ @@ -7394,7 +7553,7 @@ lpfc_sli4_iocb2wqe(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq, LPFC_WQE_LENLOC_WORD4); bf_set(wqe_ebde_cnt, &wqe->fcp_iread.wqe_com, 0); bf_set(wqe_pu, &wqe->fcp_iread.wqe_com, iocbq->iocb.ulpPU); - break; + break; case CMD_FCP_ICMND64_CR: /* word3 iocb=IO_TAG wqe=reserved */ wqe->fcp_icmd.rsrvd3 = 0; @@ -7407,7 +7566,7 @@ lpfc_sli4_iocb2wqe(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq, bf_set(wqe_lenloc, &wqe->fcp_icmd.wqe_com, LPFC_WQE_LENLOC_NONE); bf_set(wqe_ebde_cnt, &wqe->fcp_icmd.wqe_com, 0); - break; + break; case CMD_GEN_REQUEST64_CR: /* For this command calculate the xmit length of the * request bde. @@ -7442,7 +7601,7 @@ lpfc_sli4_iocb2wqe(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq, bf_set(wqe_lenloc, &wqe->gen_req.wqe_com, LPFC_WQE_LENLOC_NONE); bf_set(wqe_ebde_cnt, &wqe->gen_req.wqe_com, 0); command_type = OTHER_COMMAND; - break; + break; case CMD_XMIT_ELS_RSP64_CX: ndlp = (struct lpfc_nodelist *)iocbq->context1; /* words0-2 BDE memcpy */ @@ -7457,7 +7616,7 @@ lpfc_sli4_iocb2wqe(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq, ((iocbq->iocb.ulpCt_h << 1) | iocbq->iocb.ulpCt_l)); bf_set(wqe_pu, &wqe->xmit_els_rsp.wqe_com, iocbq->iocb.ulpPU); bf_set(wqe_rcvoxid, &wqe->xmit_els_rsp.wqe_com, - iocbq->iocb.ulpContext); + iocbq->iocb.unsli3.rcvsli3.ox_id); if (!iocbq->iocb.ulpCt_h && iocbq->iocb.ulpCt_l) bf_set(wqe_ctxt_tag, &wqe->xmit_els_rsp.wqe_com, phba->vpi_ids[iocbq->vport->vpi]); @@ -7470,7 +7629,7 @@ lpfc_sli4_iocb2wqe(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq, bf_set(wqe_rsp_temp_rpi, &wqe->xmit_els_rsp, phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]); command_type = OTHER_COMMAND; - break; + break; case CMD_CLOSE_XRI_CN: case CMD_ABORT_XRI_CN: case CMD_ABORT_XRI_CX: @@ -7509,7 +7668,7 @@ lpfc_sli4_iocb2wqe(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq, cmnd = CMD_ABORT_XRI_CX; command_type = OTHER_COMMAND; xritag = 0; - break; + break; case CMD_XMIT_BLS_RSP64_CX: /* As BLS ABTS RSP WQE is very different from other WQEs, * we re-construct this WQE here based on information in @@ -7553,7 +7712,7 @@ lpfc_sli4_iocb2wqe(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq, bf_get(lpfc_rsn_code, &iocbq->iocb.un.bls_rsp)); } - break; + break; case CMD_XRI_ABORTED_CX: case CMD_CREATE_XRI_CR: /* Do we expect to use this? */ case CMD_IOCB_FCP_IBIDIR64_CR: /* bidirectional xfer */ @@ -7565,7 +7724,7 @@ lpfc_sli4_iocb2wqe(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq, "2014 Invalid command 0x%x\n", iocbq->iocb.ulpCommand); return IOCB_ERROR; - break; + break; } bf_set(wqe_xri_tag, &wqe->generic.wqe_com, xritag); @@ -10481,10 +10640,14 @@ lpfc_sli4_sp_handle_rcqe(struct lpfc_hba *phba, struct lpfc_rcqe *rcqe) struct lpfc_queue *hrq = phba->sli4_hba.hdr_rq; struct lpfc_queue *drq = phba->sli4_hba.dat_rq; struct hbq_dmabuf *dma_buf; - uint32_t status; + uint32_t status, rq_id; unsigned long iflags; - if (bf_get(lpfc_rcqe_rq_id, rcqe) != hrq->queue_id) + if (bf_get(lpfc_cqe_code, rcqe) == CQE_CODE_RECEIVE_V1) + rq_id = bf_get(lpfc_rcqe_rq_id_v1, rcqe); + else + rq_id = bf_get(lpfc_rcqe_rq_id, rcqe); + if (rq_id != hrq->queue_id) goto out; status = bf_get(lpfc_rcqe_status, rcqe); @@ -10563,6 +10726,7 @@ lpfc_sli4_sp_handle_cqe(struct lpfc_hba *phba, struct lpfc_queue *cq, (struct sli4_wcqe_xri_aborted *)&cqevt); break; case CQE_CODE_RECEIVE: + case CQE_CODE_RECEIVE_V1: /* Process the RQ event */ phba->last_completion_time = jiffies; workposted = lpfc_sli4_sp_handle_rcqe(phba, @@ -12345,19 +12509,18 @@ lpfc_sli4_post_sgl(struct lpfc_hba *phba, } /** - * lpfc_sli4_init_rpi_hdrs - Post the rpi header memory region to the port + * lpfc_sli4_alloc_xri - Get an available rpi in the device's range * @phba: pointer to lpfc hba data structure. * * This routine is invoked to post rpi header templates to the - * port for those SLI4 ports that do not support extents. This routine - * posts a PAGE_SIZE memory region to the port to hold up to - * PAGE_SIZE modulo 64 rpi context headers. This is an initialization routine - * and should be called only when interrupts are disabled. + * HBA consistent with the SLI-4 interface spec. This routine + * posts a SLI4_PAGE_SIZE memory region to the port to hold up to + * SLI4_PAGE_SIZE modulo 64 rpi context headers. * - * Return codes - * 0 - successful - * -ERROR - otherwise. - */ + * Returns + * A nonzero rpi defined as rpi_base <= rpi < max_rpi if successful + * LPFC_RPI_ALLOC_ERROR if no rpis are available. + **/ uint16_t lpfc_sli4_alloc_xri(struct lpfc_hba *phba) { @@ -13406,7 +13569,7 @@ lpfc_sli4_seq_abort_rsp_cmpl(struct lpfc_hba *phba, * This function validates the xri maps to the known range of XRIs allocated an * used by the driver. **/ -static uint16_t +uint16_t lpfc_sli4_xri_inrange(struct lpfc_hba *phba, uint16_t xri) { @@ -13643,10 +13806,12 @@ lpfc_seq_complete(struct hbq_dmabuf *dmabuf) static struct lpfc_iocbq * lpfc_prep_seq(struct lpfc_vport *vport, struct hbq_dmabuf *seq_dmabuf) { + struct hbq_dmabuf *hbq_buf; struct lpfc_dmabuf *d_buf, *n_buf; struct lpfc_iocbq *first_iocbq, *iocbq; struct fc_frame_header *fc_hdr; uint32_t sid; + uint32_t len, tot_len; struct ulp_bde64 *pbde; fc_hdr = (struct fc_frame_header *)seq_dmabuf->hbuf.virt; @@ -13655,6 +13820,7 @@ lpfc_prep_seq(struct lpfc_vport *vport, struct hbq_dmabuf *seq_dmabuf) lpfc_update_rcv_time_stamp(vport); /* get the Remote Port's SID */ sid = sli4_sid_from_fc_hdr(fc_hdr); + tot_len = 0; /* Get an iocbq struct to fill in. */ first_iocbq = lpfc_sli_get_iocbq(vport->phba); if (first_iocbq) { @@ -13662,9 +13828,12 @@ lpfc_prep_seq(struct lpfc_vport *vport, struct hbq_dmabuf *seq_dmabuf) first_iocbq->iocb.unsli3.rcvsli3.acc_len = 0; first_iocbq->iocb.ulpStatus = IOSTAT_SUCCESS; first_iocbq->iocb.ulpCommand = CMD_IOCB_RCV_SEQ64_CX; - first_iocbq->iocb.ulpContext = be16_to_cpu(fc_hdr->fh_ox_id); - /* iocbq is prepped for internal consumption. Logical vpi. */ - first_iocbq->iocb.unsli3.rcvsli3.vpi = vport->vpi; + first_iocbq->iocb.ulpContext = NO_XRI; + first_iocbq->iocb.unsli3.rcvsli3.ox_id = + be16_to_cpu(fc_hdr->fh_ox_id); + /* iocbq is prepped for internal consumption. Physical vpi. */ + first_iocbq->iocb.unsli3.rcvsli3.vpi = + vport->phba->vpi_ids[vport->vpi]; /* put the first buffer into the first IOCBq */ first_iocbq->context2 = &seq_dmabuf->dbuf; first_iocbq->context3 = NULL; @@ -13672,9 +13841,9 @@ lpfc_prep_seq(struct lpfc_vport *vport, struct hbq_dmabuf *seq_dmabuf) first_iocbq->iocb.un.cont64[0].tus.f.bdeSize = LPFC_DATA_BUF_SIZE; first_iocbq->iocb.un.rcvels.remoteID = sid; - first_iocbq->iocb.unsli3.rcvsli3.acc_len += - bf_get(lpfc_rcqe_length, + tot_len = bf_get(lpfc_rcqe_length, &seq_dmabuf->cq_event.cqe.rcqe_cmpl); + first_iocbq->iocb.unsli3.rcvsli3.acc_len = tot_len; } iocbq = first_iocbq; /* @@ -13692,9 +13861,13 @@ lpfc_prep_seq(struct lpfc_vport *vport, struct hbq_dmabuf *seq_dmabuf) pbde = (struct ulp_bde64 *) &iocbq->iocb.unsli3.sli3Words[4]; pbde->tus.f.bdeSize = LPFC_DATA_BUF_SIZE; - first_iocbq->iocb.unsli3.rcvsli3.acc_len += - bf_get(lpfc_rcqe_length, - &seq_dmabuf->cq_event.cqe.rcqe_cmpl); + + /* We need to get the size out of the right CQE */ + hbq_buf = container_of(d_buf, struct hbq_dmabuf, dbuf); + len = bf_get(lpfc_rcqe_length, + &hbq_buf->cq_event.cqe.rcqe_cmpl); + iocbq->iocb.unsli3.rcvsli3.acc_len += len; + tot_len += len; } else { iocbq = lpfc_sli_get_iocbq(vport->phba); if (!iocbq) { @@ -13712,9 +13885,14 @@ lpfc_prep_seq(struct lpfc_vport *vport, struct hbq_dmabuf *seq_dmabuf) iocbq->iocb.ulpBdeCount = 1; iocbq->iocb.un.cont64[0].tus.f.bdeSize = LPFC_DATA_BUF_SIZE; - first_iocbq->iocb.unsli3.rcvsli3.acc_len += - bf_get(lpfc_rcqe_length, - &seq_dmabuf->cq_event.cqe.rcqe_cmpl); + + /* We need to get the size out of the right CQE */ + hbq_buf = container_of(d_buf, struct hbq_dmabuf, dbuf); + len = bf_get(lpfc_rcqe_length, + &hbq_buf->cq_event.cqe.rcqe_cmpl); + tot_len += len; + iocbq->iocb.unsli3.rcvsli3.acc_len = tot_len; + iocbq->iocb.un.rcvels.remoteID = sid; list_add_tail(&iocbq->list, &first_iocbq->list); } @@ -13787,7 +13965,13 @@ lpfc_sli4_handle_received_buffer(struct lpfc_hba *phba, lpfc_in_buf_free(phba, &dmabuf->dbuf); return; } - fcfi = bf_get(lpfc_rcqe_fcf_id, &dmabuf->cq_event.cqe.rcqe_cmpl); + if ((bf_get(lpfc_cqe_code, + &dmabuf->cq_event.cqe.rcqe_cmpl) == CQE_CODE_RECEIVE_V1)) + fcfi = bf_get(lpfc_rcqe_fcf_id_v1, + &dmabuf->cq_event.cqe.rcqe_cmpl); + else + fcfi = bf_get(lpfc_rcqe_fcf_id, + &dmabuf->cq_event.cqe.rcqe_cmpl); vport = lpfc_fc_frame_to_vport(phba, fc_hdr, fcfi); if (!vport || !(vport->vpi_state & LPFC_VPI_REGISTERED)) { /* throw out the frame */ @@ -14451,6 +14635,92 @@ fail_fcf_read: } /** + * lpfc_check_next_fcf_pri + * phba pointer to the lpfc_hba struct for this port. + * This routine is called from the lpfc_sli4_fcf_rr_next_index_get + * routine when the rr_bmask is empty. The FCF indecies are put into the + * rr_bmask based on their priority level. Starting from the highest priority + * to the lowest. The most likely FCF candidate will be in the highest + * priority group. When this routine is called it searches the fcf_pri list for + * next lowest priority group and repopulates the rr_bmask with only those + * fcf_indexes. + * returns: + * 1=success 0=failure + **/ +int +lpfc_check_next_fcf_pri_level(struct lpfc_hba *phba) +{ + uint16_t next_fcf_pri; + uint16_t last_index; + struct lpfc_fcf_pri *fcf_pri; + int rc; + int ret = 0; + + last_index = find_first_bit(phba->fcf.fcf_rr_bmask, + LPFC_SLI4_FCF_TBL_INDX_MAX); + lpfc_printf_log(phba, KERN_INFO, LOG_FIP, + "3060 Last IDX %d\n", last_index); + if (list_empty(&phba->fcf.fcf_pri_list)) { + lpfc_printf_log(phba, KERN_ERR, LOG_FIP, + "3061 Last IDX %d\n", last_index); + return 0; /* Empty rr list */ + } + next_fcf_pri = 0; + /* + * Clear the rr_bmask and set all of the bits that are at this + * priority. + */ + memset(phba->fcf.fcf_rr_bmask, 0, + sizeof(*phba->fcf.fcf_rr_bmask)); + spin_lock_irq(&phba->hbalock); + list_for_each_entry(fcf_pri, &phba->fcf.fcf_pri_list, list) { + if (fcf_pri->fcf_rec.flag & LPFC_FCF_FLOGI_FAILED) + continue; + /* + * the 1st priority that has not FLOGI failed + * will be the highest. + */ + if (!next_fcf_pri) + next_fcf_pri = fcf_pri->fcf_rec.priority; + spin_unlock_irq(&phba->hbalock); + if (fcf_pri->fcf_rec.priority == next_fcf_pri) { + rc = lpfc_sli4_fcf_rr_index_set(phba, + fcf_pri->fcf_rec.fcf_index); + if (rc) + return 0; + } + spin_lock_irq(&phba->hbalock); + } + /* + * if next_fcf_pri was not set above and the list is not empty then + * we have failed flogis on all of them. So reset flogi failed + * and start at the begining. + */ + if (!next_fcf_pri && !list_empty(&phba->fcf.fcf_pri_list)) { + list_for_each_entry(fcf_pri, &phba->fcf.fcf_pri_list, list) { + fcf_pri->fcf_rec.flag &= ~LPFC_FCF_FLOGI_FAILED; + /* + * the 1st priority that has not FLOGI failed + * will be the highest. + */ + if (!next_fcf_pri) + next_fcf_pri = fcf_pri->fcf_rec.priority; + spin_unlock_irq(&phba->hbalock); + if (fcf_pri->fcf_rec.priority == next_fcf_pri) { + rc = lpfc_sli4_fcf_rr_index_set(phba, + fcf_pri->fcf_rec.fcf_index); + if (rc) + return 0; + } + spin_lock_irq(&phba->hbalock); + } + } else + ret = 1; + spin_unlock_irq(&phba->hbalock); + + return ret; +} +/** * lpfc_sli4_fcf_rr_next_index_get - Get next eligible fcf record index * @phba: pointer to lpfc hba data structure. * @@ -14466,6 +14736,7 @@ lpfc_sli4_fcf_rr_next_index_get(struct lpfc_hba *phba) uint16_t next_fcf_index; /* Search start from next bit of currently registered FCF index */ +next_priority: next_fcf_index = (phba->fcf.current_rec.fcf_indx + 1) % LPFC_SLI4_FCF_TBL_INDX_MAX; next_fcf_index = find_next_bit(phba->fcf.fcf_rr_bmask, @@ -14473,17 +14744,46 @@ lpfc_sli4_fcf_rr_next_index_get(struct lpfc_hba *phba) next_fcf_index); /* Wrap around condition on phba->fcf.fcf_rr_bmask */ - if (next_fcf_index >= LPFC_SLI4_FCF_TBL_INDX_MAX) + if (next_fcf_index >= LPFC_SLI4_FCF_TBL_INDX_MAX) { + /* + * If we have wrapped then we need to clear the bits that + * have been tested so that we can detect when we should + * change the priority level. + */ next_fcf_index = find_next_bit(phba->fcf.fcf_rr_bmask, LPFC_SLI4_FCF_TBL_INDX_MAX, 0); + } + /* Check roundrobin failover list empty condition */ - if (next_fcf_index >= LPFC_SLI4_FCF_TBL_INDX_MAX) { + if (next_fcf_index >= LPFC_SLI4_FCF_TBL_INDX_MAX || + next_fcf_index == phba->fcf.current_rec.fcf_indx) { + /* + * If next fcf index is not found check if there are lower + * Priority level fcf's in the fcf_priority list. + * Set up the rr_bmask with all of the avaiable fcf bits + * at that level and continue the selection process. + */ + if (lpfc_check_next_fcf_pri_level(phba)) + goto next_priority; lpfc_printf_log(phba, KERN_WARNING, LOG_FIP, "2844 No roundrobin failover FCF available\n"); - return LPFC_FCOE_FCF_NEXT_NONE; + if (next_fcf_index >= LPFC_SLI4_FCF_TBL_INDX_MAX) + return LPFC_FCOE_FCF_NEXT_NONE; + else { + lpfc_printf_log(phba, KERN_WARNING, LOG_FIP, + "3063 Only FCF available idx %d, flag %x\n", + next_fcf_index, + phba->fcf.fcf_pri[next_fcf_index].fcf_rec.flag); + return next_fcf_index; + } } + if (next_fcf_index < LPFC_SLI4_FCF_TBL_INDX_MAX && + phba->fcf.fcf_pri[next_fcf_index].fcf_rec.flag & + LPFC_FCF_FLOGI_FAILED) + goto next_priority; + lpfc_printf_log(phba, KERN_INFO, LOG_FIP, "2845 Get next roundrobin failover FCF (x%x)\n", next_fcf_index); @@ -14535,6 +14835,7 @@ lpfc_sli4_fcf_rr_index_set(struct lpfc_hba *phba, uint16_t fcf_index) void lpfc_sli4_fcf_rr_index_clear(struct lpfc_hba *phba, uint16_t fcf_index) { + struct lpfc_fcf_pri *fcf_pri; if (fcf_index >= LPFC_SLI4_FCF_TBL_INDX_MAX) { lpfc_printf_log(phba, KERN_ERR, LOG_FIP, "2762 FCF (x%x) reached driver's book " @@ -14543,6 +14844,14 @@ lpfc_sli4_fcf_rr_index_clear(struct lpfc_hba *phba, uint16_t fcf_index) return; } /* Clear the eligible FCF record index bmask */ + spin_lock_irq(&phba->hbalock); + list_for_each_entry(fcf_pri, &phba->fcf.fcf_pri_list, list) { + if (fcf_pri->fcf_rec.fcf_index == fcf_index) { + list_del_init(&fcf_pri->list); + break; + } + } + spin_unlock_irq(&phba->hbalock); clear_bit(fcf_index, phba->fcf.fcf_rr_bmask); lpfc_printf_log(phba, KERN_INFO, LOG_FIP, |
