diff options
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_nx.c')
-rw-r--r-- | drivers/scsi/qla2xxx/qla_nx.c | 512 |
1 files changed, 14 insertions, 498 deletions
diff --git a/drivers/scsi/qla2xxx/qla_nx.c b/drivers/scsi/qla2xxx/qla_nx.c index 03554934b0a5..1cd46cd7ff90 100644 --- a/drivers/scsi/qla2xxx/qla_nx.c +++ b/drivers/scsi/qla2xxx/qla_nx.c @@ -369,7 +369,7 @@ qla82xx_pci_set_crbwindow_2M(struct qla_hw_data *ha, ulong *off) ql_dbg(ql_dbg_p3p, vha, 0xb000, "%s: Written crbwin (0x%x) " "!= Read crbwin (0x%x), off=0x%lx.\n", - ha->crb_win, win_read, *off); + __func__, ha->crb_win, win_read, *off); } *off = (*off & MASK(16)) + CRB_INDIRECT_2M + ha->nx_pcibase; } @@ -409,7 +409,7 @@ qla82xx_pci_set_crbwindow(struct qla_hw_data *ha, u64 off) } /* strange address given */ ql_dbg(ql_dbg_p3p, vha, 0xb001, - "%x: Warning: unm_nic_pci_set_crbwindow " + "%s: Warning: unm_nic_pci_set_crbwindow " "called with an unknown address(%llx).\n", QLA2XXX_DRIVER_NAME, off); return off; @@ -1055,7 +1055,7 @@ ql82xx_rom_lock_d(struct qla_hw_data *ha) "ROM lock failed.\n"); return -1; } - return 0;; + return 0; } static int @@ -1711,12 +1711,12 @@ qla82xx_iospace_config(struct qla_hw_data *ha) ql_dbg_pci(ql_dbg_multiq, ha->pdev, 0xc006, "nx_pci_base=%p iobase=%p " "max_req_queues=%d msix_count=%d.\n", - ha->nx_pcibase, ha->iobase, + (void *)ha->nx_pcibase, ha->iobase, ha->max_req_queues, ha->msix_count); ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0010, "nx_pci_base=%p iobase=%p " "max_req_queues=%d msix_count=%d.\n", - ha->nx_pcibase, ha->iobase, + (void *)ha->nx_pcibase, ha->iobase, ha->max_req_queues, ha->msix_count); return 0; @@ -1744,7 +1744,7 @@ qla82xx_pci_config(scsi_qla_host_t *vha) ret = pci_set_mwi(ha->pdev); ha->chip_revision = ha->pdev->revision; ql_dbg(ql_dbg_init, vha, 0x0043, - "Chip revision:%ld.\n", + "Chip revision:%d.\n", ha->chip_revision); return 0; } @@ -2023,13 +2023,9 @@ qla82xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0) wptr++; } - if (ha->mcp) { - ql_dbg(ql_dbg_async, vha, 0x5052, - "Got mailbox completion. cmd=%x.\n", ha->mcp->mb[0]); - } else { + if (!ha->mcp) ql_dbg(ql_dbg_async, vha, 0x5053, "MBX pointer ERROR.\n"); - } } /* @@ -2543,484 +2539,6 @@ qla82xx_start_firmware(scsi_qla_host_t *vha) return qla82xx_check_rcvpeg_state(ha); } -static inline int -qla2xx_build_scsi_type_6_iocbs(srb_t *sp, struct cmd_type_6 *cmd_pkt, - uint16_t tot_dsds) -{ - uint32_t *cur_dsd = NULL; - scsi_qla_host_t *vha; - struct qla_hw_data *ha; - struct scsi_cmnd *cmd; - struct scatterlist *cur_seg; - uint32_t *dsd_seg; - void *next_dsd; - uint8_t avail_dsds; - uint8_t first_iocb = 1; - uint32_t dsd_list_len; - struct dsd_dma *dsd_ptr; - struct ct6_dsd *ctx; - - cmd = sp->cmd; - - /* Update entry type to indicate Command Type 3 IOCB */ - *((uint32_t *)(&cmd_pkt->entry_type)) = - __constant_cpu_to_le32(COMMAND_TYPE_6); - - /* No data transfer */ - if (!scsi_bufflen(cmd) || cmd->sc_data_direction == DMA_NONE) { - cmd_pkt->byte_count = __constant_cpu_to_le32(0); - return 0; - } - - vha = sp->fcport->vha; - ha = vha->hw; - - /* Set transfer direction */ - if (cmd->sc_data_direction == DMA_TO_DEVICE) { - cmd_pkt->control_flags = - __constant_cpu_to_le16(CF_WRITE_DATA); - ha->qla_stats.output_bytes += scsi_bufflen(cmd); - } else if (cmd->sc_data_direction == DMA_FROM_DEVICE) { - cmd_pkt->control_flags = - __constant_cpu_to_le16(CF_READ_DATA); - ha->qla_stats.input_bytes += scsi_bufflen(cmd); - } - - cur_seg = scsi_sglist(cmd); - ctx = sp->ctx; - - while (tot_dsds) { - avail_dsds = (tot_dsds > QLA_DSDS_PER_IOCB) ? - QLA_DSDS_PER_IOCB : tot_dsds; - tot_dsds -= avail_dsds; - dsd_list_len = (avail_dsds + 1) * QLA_DSD_SIZE; - - dsd_ptr = list_first_entry(&ha->gbl_dsd_list, - struct dsd_dma, list); - next_dsd = dsd_ptr->dsd_addr; - list_del(&dsd_ptr->list); - ha->gbl_dsd_avail--; - list_add_tail(&dsd_ptr->list, &ctx->dsd_list); - ctx->dsd_use_cnt++; - ha->gbl_dsd_inuse++; - - if (first_iocb) { - first_iocb = 0; - dsd_seg = (uint32_t *)&cmd_pkt->fcp_data_dseg_address; - *dsd_seg++ = cpu_to_le32(LSD(dsd_ptr->dsd_list_dma)); - *dsd_seg++ = cpu_to_le32(MSD(dsd_ptr->dsd_list_dma)); - cmd_pkt->fcp_data_dseg_len = cpu_to_le32(dsd_list_len); - } else { - *cur_dsd++ = cpu_to_le32(LSD(dsd_ptr->dsd_list_dma)); - *cur_dsd++ = cpu_to_le32(MSD(dsd_ptr->dsd_list_dma)); - *cur_dsd++ = cpu_to_le32(dsd_list_len); - } - cur_dsd = (uint32_t *)next_dsd; - while (avail_dsds) { - dma_addr_t sle_dma; - - sle_dma = sg_dma_address(cur_seg); - *cur_dsd++ = cpu_to_le32(LSD(sle_dma)); - *cur_dsd++ = cpu_to_le32(MSD(sle_dma)); - *cur_dsd++ = cpu_to_le32(sg_dma_len(cur_seg)); - cur_seg = sg_next(cur_seg); - avail_dsds--; - } - } - - /* Null termination */ - *cur_dsd++ = 0; - *cur_dsd++ = 0; - *cur_dsd++ = 0; - cmd_pkt->control_flags |= CF_DATA_SEG_DESCR_ENABLE; - return 0; -} - -/* - * qla82xx_calc_dsd_lists() - Determine number of DSD list required - * for Command Type 6. - * - * @dsds: number of data segment decriptors needed - * - * Returns the number of dsd list needed to store @dsds. - */ -inline uint16_t -qla82xx_calc_dsd_lists(uint16_t dsds) -{ - uint16_t dsd_lists = 0; - - dsd_lists = (dsds/QLA_DSDS_PER_IOCB); - if (dsds % QLA_DSDS_PER_IOCB) - dsd_lists++; - return dsd_lists; -} - -/* - * qla82xx_start_scsi() - Send a SCSI command to the ISP - * @sp: command to send to the ISP - * - * Returns non-zero if a failure occurred, else zero. - */ -int -qla82xx_start_scsi(srb_t *sp) -{ - int ret, nseg; - unsigned long flags; - struct scsi_cmnd *cmd; - uint32_t *clr_ptr; - uint32_t index; - uint32_t handle; - uint16_t cnt; - uint16_t req_cnt; - uint16_t tot_dsds; - struct device_reg_82xx __iomem *reg; - uint32_t dbval; - uint32_t *fcp_dl; - uint8_t additional_cdb_len; - struct ct6_dsd *ctx; - struct scsi_qla_host *vha = sp->fcport->vha; - struct qla_hw_data *ha = vha->hw; - struct req_que *req = NULL; - struct rsp_que *rsp = NULL; - char tag[2]; - - /* Setup device pointers. */ - ret = 0; - reg = &ha->iobase->isp82; - cmd = sp->cmd; - req = vha->req; - rsp = ha->rsp_q_map[0]; - - /* So we know we haven't pci_map'ed anything yet */ - tot_dsds = 0; - - dbval = 0x04 | (ha->portnum << 5); - - /* Send marker if required */ - if (vha->marker_needed != 0) { - if (qla2x00_marker(vha, req, - rsp, 0, 0, MK_SYNC_ALL) != QLA_SUCCESS) { - ql_log(ql_log_warn, vha, 0x300c, - "qla2x00_marker failed for cmd=%p.\n", cmd); - return QLA_FUNCTION_FAILED; - } - vha->marker_needed = 0; - } - - /* Acquire ring specific lock */ - spin_lock_irqsave(&ha->hardware_lock, flags); - - /* Check for room in outstanding command list. */ - handle = req->current_outstanding_cmd; - for (index = 1; index < MAX_OUTSTANDING_COMMANDS; index++) { - handle++; - if (handle == MAX_OUTSTANDING_COMMANDS) - handle = 1; - if (!req->outstanding_cmds[handle]) - break; - } - if (index == MAX_OUTSTANDING_COMMANDS) - goto queuing_error; - - /* Map the sg table so we have an accurate count of sg entries needed */ - if (scsi_sg_count(cmd)) { - nseg = dma_map_sg(&ha->pdev->dev, scsi_sglist(cmd), - scsi_sg_count(cmd), cmd->sc_data_direction); - if (unlikely(!nseg)) - goto queuing_error; - } else - nseg = 0; - - tot_dsds = nseg; - - if (tot_dsds > ql2xshiftctondsd) { - struct cmd_type_6 *cmd_pkt; - uint16_t more_dsd_lists = 0; - struct dsd_dma *dsd_ptr; - uint16_t i; - - more_dsd_lists = qla82xx_calc_dsd_lists(tot_dsds); - if ((more_dsd_lists + ha->gbl_dsd_inuse) >= NUM_DSD_CHAIN) { - ql_dbg(ql_dbg_io, vha, 0x300d, - "Num of DSD list %d is than %d for cmd=%p.\n", - more_dsd_lists + ha->gbl_dsd_inuse, NUM_DSD_CHAIN, - cmd); - goto queuing_error; - } - - if (more_dsd_lists <= ha->gbl_dsd_avail) - goto sufficient_dsds; - else - more_dsd_lists -= ha->gbl_dsd_avail; - - for (i = 0; i < more_dsd_lists; i++) { - dsd_ptr = kzalloc(sizeof(struct dsd_dma), GFP_ATOMIC); - if (!dsd_ptr) { - ql_log(ql_log_fatal, vha, 0x300e, - "Failed to allocate memory for dsd_dma " - "for cmd=%p.\n", cmd); - goto queuing_error; - } - - dsd_ptr->dsd_addr = dma_pool_alloc(ha->dl_dma_pool, - GFP_ATOMIC, &dsd_ptr->dsd_list_dma); - if (!dsd_ptr->dsd_addr) { - kfree(dsd_ptr); - ql_log(ql_log_fatal, vha, 0x300f, - "Failed to allocate memory for dsd_addr " - "for cmd=%p.\n", cmd); - goto queuing_error; - } - list_add_tail(&dsd_ptr->list, &ha->gbl_dsd_list); - ha->gbl_dsd_avail++; - } - -sufficient_dsds: - req_cnt = 1; - - if (req->cnt < (req_cnt + 2)) { - cnt = (uint16_t)RD_REG_DWORD_RELAXED( - ®->req_q_out[0]); - if (req->ring_index < cnt) - req->cnt = cnt - req->ring_index; - else - req->cnt = req->length - - (req->ring_index - cnt); - } - - if (req->cnt < (req_cnt + 2)) - goto queuing_error; - - ctx = sp->ctx = mempool_alloc(ha->ctx_mempool, GFP_ATOMIC); - if (!sp->ctx) { - ql_log(ql_log_fatal, vha, 0x3010, - "Failed to allocate ctx for cmd=%p.\n", cmd); - goto queuing_error; - } - memset(ctx, 0, sizeof(struct ct6_dsd)); - ctx->fcp_cmnd = dma_pool_alloc(ha->fcp_cmnd_dma_pool, - GFP_ATOMIC, &ctx->fcp_cmnd_dma); - if (!ctx->fcp_cmnd) { - ql_log(ql_log_fatal, vha, 0x3011, - "Failed to allocate fcp_cmnd for cmd=%p.\n", cmd); - goto queuing_error_fcp_cmnd; - } - - /* Initialize the DSD list and dma handle */ - INIT_LIST_HEAD(&ctx->dsd_list); - ctx->dsd_use_cnt = 0; - - if (cmd->cmd_len > 16) { - additional_cdb_len = cmd->cmd_len - 16; - if ((cmd->cmd_len % 4) != 0) { - /* SCSI command bigger than 16 bytes must be - * multiple of 4 - */ - ql_log(ql_log_warn, vha, 0x3012, - "scsi cmd len %d not multiple of 4 " - "for cmd=%p.\n", cmd->cmd_len, cmd); - goto queuing_error_fcp_cmnd; - } - ctx->fcp_cmnd_len = 12 + cmd->cmd_len + 4; - } else { - additional_cdb_len = 0; - ctx->fcp_cmnd_len = 12 + 16 + 4; - } - - cmd_pkt = (struct cmd_type_6 *)req->ring_ptr; - cmd_pkt->handle = MAKE_HANDLE(req->id, handle); - - /* Zero out remaining portion of packet. */ - /* tagged queuing modifier -- default is TSK_SIMPLE (0). */ - clr_ptr = (uint32_t *)cmd_pkt + 2; - memset(clr_ptr, 0, REQUEST_ENTRY_SIZE - 8); - cmd_pkt->dseg_count = cpu_to_le16(tot_dsds); - - /* Set NPORT-ID and LUN number*/ - cmd_pkt->nport_handle = cpu_to_le16(sp->fcport->loop_id); - cmd_pkt->port_id[0] = sp->fcport->d_id.b.al_pa; - cmd_pkt->port_id[1] = sp->fcport->d_id.b.area; - cmd_pkt->port_id[2] = sp->fcport->d_id.b.domain; - cmd_pkt->vp_index = sp->fcport->vp_idx; - - /* Build IOCB segments */ - if (qla2xx_build_scsi_type_6_iocbs(sp, cmd_pkt, tot_dsds)) - goto queuing_error_fcp_cmnd; - - int_to_scsilun(sp->cmd->device->lun, &cmd_pkt->lun); - host_to_fcp_swap((uint8_t *)&cmd_pkt->lun, sizeof(cmd_pkt->lun)); - - /* build FCP_CMND IU */ - memset(ctx->fcp_cmnd, 0, sizeof(struct fcp_cmnd)); - int_to_scsilun(sp->cmd->device->lun, &ctx->fcp_cmnd->lun); - ctx->fcp_cmnd->additional_cdb_len = additional_cdb_len; - - if (cmd->sc_data_direction == DMA_TO_DEVICE) - ctx->fcp_cmnd->additional_cdb_len |= 1; - else if (cmd->sc_data_direction == DMA_FROM_DEVICE) - ctx->fcp_cmnd->additional_cdb_len |= 2; - - /* - * Update tagged queuing modifier -- default is TSK_SIMPLE (0). - */ - if (scsi_populate_tag_msg(cmd, tag)) { - switch (tag[0]) { - case HEAD_OF_QUEUE_TAG: - ctx->fcp_cmnd->task_attribute = - TSK_HEAD_OF_QUEUE; - break; - case ORDERED_QUEUE_TAG: - ctx->fcp_cmnd->task_attribute = - TSK_ORDERED; - break; - } - } - - memcpy(ctx->fcp_cmnd->cdb, cmd->cmnd, cmd->cmd_len); - - fcp_dl = (uint32_t *)(ctx->fcp_cmnd->cdb + 16 + - additional_cdb_len); - *fcp_dl = htonl((uint32_t)scsi_bufflen(cmd)); - - cmd_pkt->fcp_cmnd_dseg_len = cpu_to_le16(ctx->fcp_cmnd_len); - cmd_pkt->fcp_cmnd_dseg_address[0] = - cpu_to_le32(LSD(ctx->fcp_cmnd_dma)); - cmd_pkt->fcp_cmnd_dseg_address[1] = - cpu_to_le32(MSD(ctx->fcp_cmnd_dma)); - - sp->flags |= SRB_FCP_CMND_DMA_VALID; - cmd_pkt->byte_count = cpu_to_le32((uint32_t)scsi_bufflen(cmd)); - /* Set total data segment count. */ - cmd_pkt->entry_count = (uint8_t)req_cnt; - /* Specify response queue number where - * completion should happen - */ - cmd_pkt->entry_status = (uint8_t) rsp->id; - } else { - struct cmd_type_7 *cmd_pkt; - req_cnt = qla24xx_calc_iocbs(vha, tot_dsds); - if (req->cnt < (req_cnt + 2)) { - cnt = (uint16_t)RD_REG_DWORD_RELAXED( - ®->req_q_out[0]); - if (req->ring_index < cnt) - req->cnt = cnt - req->ring_index; - else - req->cnt = req->length - - (req->ring_index - cnt); - } - if (req->cnt < (req_cnt + 2)) - goto queuing_error; - - cmd_pkt = (struct cmd_type_7 *)req->ring_ptr; - cmd_pkt->handle = MAKE_HANDLE(req->id, handle); - - /* Zero out remaining portion of packet. */ - /* tagged queuing modifier -- default is TSK_SIMPLE (0).*/ - clr_ptr = (uint32_t *)cmd_pkt + 2; - memset(clr_ptr, 0, REQUEST_ENTRY_SIZE - 8); - cmd_pkt->dseg_count = cpu_to_le16(tot_dsds); - - /* Set NPORT-ID and LUN number*/ - cmd_pkt->nport_handle = cpu_to_le16(sp->fcport->loop_id); - cmd_pkt->port_id[0] = sp->fcport->d_id.b.al_pa; - cmd_pkt->port_id[1] = sp->fcport->d_id.b.area; - cmd_pkt->port_id[2] = sp->fcport->d_id.b.domain; - cmd_pkt->vp_index = sp->fcport->vp_idx; - - int_to_scsilun(sp->cmd->device->lun, &cmd_pkt->lun); - host_to_fcp_swap((uint8_t *)&cmd_pkt->lun, - sizeof(cmd_pkt->lun)); - - /* - * Update tagged queuing modifier -- default is TSK_SIMPLE (0). - */ - if (scsi_populate_tag_msg(cmd, tag)) { - switch (tag[0]) { - case HEAD_OF_QUEUE_TAG: - cmd_pkt->task = TSK_HEAD_OF_QUEUE; - break; - case ORDERED_QUEUE_TAG: - cmd_pkt->task = TSK_ORDERED; - break; - } - } - - /* Load SCSI command packet. */ - memcpy(cmd_pkt->fcp_cdb, cmd->cmnd, cmd->cmd_len); - host_to_fcp_swap(cmd_pkt->fcp_cdb, sizeof(cmd_pkt->fcp_cdb)); - - cmd_pkt->byte_count = cpu_to_le32((uint32_t)scsi_bufflen(cmd)); - - /* Build IOCB segments */ - qla24xx_build_scsi_iocbs(sp, cmd_pkt, tot_dsds); - - /* Set total data segment count. */ - cmd_pkt->entry_count = (uint8_t)req_cnt; - /* Specify response queue number where - * completion should happen. - */ - cmd_pkt->entry_status = (uint8_t) rsp->id; - - } - /* Build command packet. */ - req->current_outstanding_cmd = handle; - req->outstanding_cmds[handle] = sp; - sp->handle = handle; - sp->cmd->host_scribble = (unsigned char *)(unsigned long)handle; - req->cnt -= req_cnt; - wmb(); - - /* Adjust ring index. */ - req->ring_index++; - if (req->ring_index == req->length) { - req->ring_index = 0; - req->ring_ptr = req->ring; - } else - req->ring_ptr++; - - sp->flags |= SRB_DMA_VALID; - - /* Set chip new ring index. */ - /* write, read and verify logic */ - dbval = dbval | (req->id << 8) | (req->ring_index << 16); - if (ql2xdbwr) - qla82xx_wr_32(ha, ha->nxdb_wr_ptr, dbval); - else { - WRT_REG_DWORD( - (unsigned long __iomem *)ha->nxdb_wr_ptr, - dbval); - wmb(); - while (RD_REG_DWORD(ha->nxdb_rd_ptr) != dbval) { - WRT_REG_DWORD( - (unsigned long __iomem *)ha->nxdb_wr_ptr, - dbval); - wmb(); - } - } - - /* Manage unprocessed RIO/ZIO commands in response queue. */ - if (vha->flags.process_response_queue && - rsp->ring_ptr->signature != RESPONSE_PROCESSED) - qla24xx_process_response_queue(vha, rsp); - - spin_unlock_irqrestore(&ha->hardware_lock, flags); - return QLA_SUCCESS; - -queuing_error_fcp_cmnd: - dma_pool_free(ha->fcp_cmnd_dma_pool, ctx->fcp_cmnd, ctx->fcp_cmnd_dma); -queuing_error: - if (tot_dsds) - scsi_dma_unmap(cmd); - - if (sp->ctx) { - mempool_free(sp->ctx, ha->ctx_mempool); - sp->ctx = NULL; - } - spin_unlock_irqrestore(&ha->hardware_lock, flags); - - return QLA_FUNCTION_FAILED; -} - static uint32_t * qla82xx_read_flash_data(scsi_qla_host_t *vha, uint32_t *dwptr, uint32_t faddr, uint32_t length) @@ -3272,9 +2790,9 @@ qla82xx_write_optrom_data(struct scsi_qla_host *vha, uint8_t *buf, } void -qla82xx_start_iocbs(srb_t *sp) +qla82xx_start_iocbs(scsi_qla_host_t *vha) { - struct qla_hw_data *ha = sp->fcport->vha->hw; + struct qla_hw_data *ha = vha->hw; struct req_que *req = ha->req_q_map[0]; struct device_reg_82xx __iomem *reg; uint32_t dbval; @@ -3659,11 +3177,10 @@ qla82xx_check_md_needed(scsi_qla_host_t *vha) qla82xx_md_free(vha); /* ALlocate MiniDump resources */ qla82xx_md_prep(vha); - } else - ql_log(ql_log_info, vha, 0xb02e, - "Firmware dump available to retrieve\n", - vha->host_no); - } + } + } else + ql_log(ql_log_info, vha, 0xb02e, + "Firmware dump available to retrieve\n"); } return rval; } @@ -3758,7 +3275,6 @@ qla82xx_device_state_handler(scsi_qla_host_t *vha) switch (dev_state) { case QLA82XX_DEV_READY: - qla82xx_check_md_needed(vha); ha->flags.isp82xx_reset_owner = 0; goto exit; case QLA82XX_DEV_COLD: @@ -4067,7 +3583,7 @@ int qla2x00_wait_for_fcoe_ctx_reset(scsi_qla_host_t *vha) } } ql_dbg(ql_dbg_p3p, vha, 0xb027, - "%s status=%d.\n", status); + "%s: status=%d.\n", __func__, status); return status; } |