diff options
Diffstat (limited to 'drivers/scsi/bnx2fc/bnx2fc_hwi.c')
| -rw-r--r-- | drivers/scsi/bnx2fc/bnx2fc_hwi.c | 442 |
1 files changed, 237 insertions, 205 deletions
diff --git a/drivers/scsi/bnx2fc/bnx2fc_hwi.c b/drivers/scsi/bnx2fc/bnx2fc_hwi.c index f756d5f85c7a..d8e8a825560d 100644 --- a/drivers/scsi/bnx2fc/bnx2fc_hwi.c +++ b/drivers/scsi/bnx2fc/bnx2fc_hwi.c @@ -100,6 +100,9 @@ int bnx2fc_send_fw_fcoe_init_msg(struct bnx2fc_hba *hba) fcoe_init2.hdr.flags = (FCOE_KWQE_LAYER_CODE << FCOE_KWQE_HEADER_LAYER_CODE_SHIFT); + fcoe_init2.hsi_major_version = FCOE_HSI_MAJOR_VERSION; + fcoe_init2.hsi_minor_version = FCOE_HSI_MINOR_VERSION; + fcoe_init2.hash_tbl_pbl_addr_lo = (u32) hba->hash_tbl_pbl_dma; fcoe_init2.hash_tbl_pbl_addr_hi = (u32) ((u64) hba->hash_tbl_pbl_dma >> 32); @@ -122,6 +125,7 @@ int bnx2fc_send_fw_fcoe_init_msg(struct bnx2fc_hba *hba) fcoe_init3.error_bit_map_lo = 0xffffffff; fcoe_init3.error_bit_map_hi = 0xffffffff; + fcoe_init3.perf_config = 1; kwqe_arr[0] = (struct kwqe *) &fcoe_init1; kwqe_arr[1] = (struct kwqe *) &fcoe_init2; @@ -289,19 +293,19 @@ int bnx2fc_send_session_ofld_req(struct fcoe_port *port, ofld_req4.e_d_tov_timer_val = lport->e_d_tov / 20; - ofld_req4.src_mac_addr_lo32[0] = port->data_src_addr[5]; + ofld_req4.src_mac_addr_lo[0] = port->data_src_addr[5]; /* local mac */ - ofld_req4.src_mac_addr_lo32[1] = port->data_src_addr[4]; - ofld_req4.src_mac_addr_lo32[2] = port->data_src_addr[3]; - ofld_req4.src_mac_addr_lo32[3] = port->data_src_addr[2]; - ofld_req4.src_mac_addr_hi16[0] = port->data_src_addr[1]; - ofld_req4.src_mac_addr_hi16[1] = port->data_src_addr[0]; - ofld_req4.dst_mac_addr_lo32[0] = hba->ctlr.dest_addr[5];/* fcf mac */ - ofld_req4.dst_mac_addr_lo32[1] = hba->ctlr.dest_addr[4]; - ofld_req4.dst_mac_addr_lo32[2] = hba->ctlr.dest_addr[3]; - ofld_req4.dst_mac_addr_lo32[3] = hba->ctlr.dest_addr[2]; - ofld_req4.dst_mac_addr_hi16[0] = hba->ctlr.dest_addr[1]; - ofld_req4.dst_mac_addr_hi16[1] = hba->ctlr.dest_addr[0]; + ofld_req4.src_mac_addr_lo[1] = port->data_src_addr[4]; + ofld_req4.src_mac_addr_mid[0] = port->data_src_addr[3]; + ofld_req4.src_mac_addr_mid[1] = port->data_src_addr[2]; + ofld_req4.src_mac_addr_hi[0] = port->data_src_addr[1]; + ofld_req4.src_mac_addr_hi[1] = port->data_src_addr[0]; + ofld_req4.dst_mac_addr_lo[0] = hba->ctlr.dest_addr[5];/* fcf mac */ + ofld_req4.dst_mac_addr_lo[1] = hba->ctlr.dest_addr[4]; + ofld_req4.dst_mac_addr_mid[0] = hba->ctlr.dest_addr[3]; + ofld_req4.dst_mac_addr_mid[1] = hba->ctlr.dest_addr[2]; + ofld_req4.dst_mac_addr_hi[0] = hba->ctlr.dest_addr[1]; + ofld_req4.dst_mac_addr_hi[1] = hba->ctlr.dest_addr[0]; ofld_req4.lcq_addr_lo = (u32) tgt->lcq_dma; ofld_req4.lcq_addr_hi = (u32)((u64) tgt->lcq_dma >> 32); @@ -345,20 +349,21 @@ static int bnx2fc_send_session_enable_req(struct fcoe_port *port, enbl_req.hdr.flags = (FCOE_KWQE_LAYER_CODE << FCOE_KWQE_HEADER_LAYER_CODE_SHIFT); - enbl_req.src_mac_addr_lo32[0] = port->data_src_addr[5]; + enbl_req.src_mac_addr_lo[0] = port->data_src_addr[5]; /* local mac */ - enbl_req.src_mac_addr_lo32[1] = port->data_src_addr[4]; - enbl_req.src_mac_addr_lo32[2] = port->data_src_addr[3]; - enbl_req.src_mac_addr_lo32[3] = port->data_src_addr[2]; - enbl_req.src_mac_addr_hi16[0] = port->data_src_addr[1]; - enbl_req.src_mac_addr_hi16[1] = port->data_src_addr[0]; - - enbl_req.dst_mac_addr_lo32[0] = hba->ctlr.dest_addr[5];/* fcf mac */ - enbl_req.dst_mac_addr_lo32[1] = hba->ctlr.dest_addr[4]; - enbl_req.dst_mac_addr_lo32[2] = hba->ctlr.dest_addr[3]; - enbl_req.dst_mac_addr_lo32[3] = hba->ctlr.dest_addr[2]; - enbl_req.dst_mac_addr_hi16[0] = hba->ctlr.dest_addr[1]; - enbl_req.dst_mac_addr_hi16[1] = hba->ctlr.dest_addr[0]; + enbl_req.src_mac_addr_lo[1] = port->data_src_addr[4]; + enbl_req.src_mac_addr_mid[0] = port->data_src_addr[3]; + enbl_req.src_mac_addr_mid[1] = port->data_src_addr[2]; + enbl_req.src_mac_addr_hi[0] = port->data_src_addr[1]; + enbl_req.src_mac_addr_hi[1] = port->data_src_addr[0]; + memcpy(tgt->src_addr, port->data_src_addr, ETH_ALEN); + + enbl_req.dst_mac_addr_lo[0] = hba->ctlr.dest_addr[5];/* fcf mac */ + enbl_req.dst_mac_addr_lo[1] = hba->ctlr.dest_addr[4]; + enbl_req.dst_mac_addr_mid[0] = hba->ctlr.dest_addr[3]; + enbl_req.dst_mac_addr_mid[1] = hba->ctlr.dest_addr[2]; + enbl_req.dst_mac_addr_hi[0] = hba->ctlr.dest_addr[1]; + enbl_req.dst_mac_addr_hi[1] = hba->ctlr.dest_addr[0]; port_id = fc_host_port_id(lport->host); if (port_id != tgt->sid) { @@ -411,18 +416,19 @@ int bnx2fc_send_session_disable_req(struct fcoe_port *port, disable_req.hdr.flags = (FCOE_KWQE_LAYER_CODE << FCOE_KWQE_HEADER_LAYER_CODE_SHIFT); - disable_req.src_mac_addr_lo32[0] = port->data_src_addr[5]; - disable_req.src_mac_addr_lo32[2] = port->data_src_addr[3]; - disable_req.src_mac_addr_lo32[3] = port->data_src_addr[2]; - disable_req.src_mac_addr_hi16[0] = port->data_src_addr[1]; - disable_req.src_mac_addr_hi16[1] = port->data_src_addr[0]; + disable_req.src_mac_addr_lo[0] = tgt->src_addr[5]; + disable_req.src_mac_addr_lo[1] = tgt->src_addr[4]; + disable_req.src_mac_addr_mid[0] = tgt->src_addr[3]; + disable_req.src_mac_addr_mid[1] = tgt->src_addr[2]; + disable_req.src_mac_addr_hi[0] = tgt->src_addr[1]; + disable_req.src_mac_addr_hi[1] = tgt->src_addr[0]; - disable_req.dst_mac_addr_lo32[0] = hba->ctlr.dest_addr[5];/* fcf mac */ - disable_req.dst_mac_addr_lo32[1] = hba->ctlr.dest_addr[4]; - disable_req.dst_mac_addr_lo32[2] = hba->ctlr.dest_addr[3]; - disable_req.dst_mac_addr_lo32[3] = hba->ctlr.dest_addr[2]; - disable_req.dst_mac_addr_hi16[0] = hba->ctlr.dest_addr[1]; - disable_req.dst_mac_addr_hi16[1] = hba->ctlr.dest_addr[0]; + disable_req.dst_mac_addr_lo[0] = hba->ctlr.dest_addr[5];/* fcf mac */ + disable_req.dst_mac_addr_lo[1] = hba->ctlr.dest_addr[4]; + disable_req.dst_mac_addr_mid[0] = hba->ctlr.dest_addr[3]; + disable_req.dst_mac_addr_mid[1] = hba->ctlr.dest_addr[2]; + disable_req.dst_mac_addr_hi[0] = hba->ctlr.dest_addr[1]; + disable_req.dst_mac_addr_hi[1] = hba->ctlr.dest_addr[0]; port_id = tgt->sid; disable_req.s_id[0] = (port_id & 0x000000FF); @@ -640,10 +646,10 @@ static void bnx2fc_process_unsol_compl(struct bnx2fc_rport *tgt, u16 wqe) xid = err_entry->fc_hdr.ox_id; BNX2FC_TGT_DBG(tgt, "Unsol Error Frame OX_ID = 0x%x\n", xid); BNX2FC_TGT_DBG(tgt, "err_warn_bitmap = %08x:%08x\n", - err_entry->err_warn_bitmap_hi, - err_entry->err_warn_bitmap_lo); + err_entry->data.err_warn_bitmap_hi, + err_entry->data.err_warn_bitmap_lo); BNX2FC_TGT_DBG(tgt, "buf_offsets - tx = 0x%x, rx = 0x%x\n", - err_entry->tx_buf_off, err_entry->rx_buf_off); + err_entry->data.tx_buf_off, err_entry->data.rx_buf_off); bnx2fc_return_rqe(tgt, 1); @@ -722,10 +728,10 @@ static void bnx2fc_process_unsol_compl(struct bnx2fc_rport *tgt, u16 wqe) xid = cpu_to_be16(err_entry->fc_hdr.ox_id); BNX2FC_TGT_DBG(tgt, "Unsol Warning Frame OX_ID = 0x%x\n", xid); BNX2FC_TGT_DBG(tgt, "err_warn_bitmap = %08x:%08x", - err_entry->err_warn_bitmap_hi, - err_entry->err_warn_bitmap_lo); + err_entry->data.err_warn_bitmap_hi, + err_entry->data.err_warn_bitmap_lo); BNX2FC_TGT_DBG(tgt, "buf_offsets - tx = 0x%x, rx = 0x%x", - err_entry->tx_buf_off, err_entry->rx_buf_off); + err_entry->data.tx_buf_off, err_entry->data.rx_buf_off); bnx2fc_return_rqe(tgt, 1); spin_unlock_bh(&tgt->tgt_lock); @@ -762,9 +768,9 @@ void bnx2fc_process_cq_compl(struct bnx2fc_rport *tgt, u16 wqe) task_page = (struct fcoe_task_ctx_entry *)hba->task_ctx[task_idx]; task = &(task_page[index]); - num_rq = ((task->rx_wr_tx_rd.rx_flags & - FCOE_TASK_CTX_ENTRY_RXWR_TXRD_NUM_RQ_WQE) >> - FCOE_TASK_CTX_ENTRY_RXWR_TXRD_NUM_RQ_WQE_SHIFT); + num_rq = ((task->rxwr_txrd.var_ctx.rx_flags & + FCOE_TCE_RX_WR_TX_RD_VAR_NUM_RQ_WQE) >> + FCOE_TCE_RX_WR_TX_RD_VAR_NUM_RQ_WQE_SHIFT); io_req = (struct bnx2fc_cmd *)hba->cmd_mgr->cmds[xid]; @@ -777,22 +783,19 @@ void bnx2fc_process_cq_compl(struct bnx2fc_rport *tgt, u16 wqe) /* Timestamp IO completion time */ cmd_type = io_req->cmd_type; - /* optimized completion path */ - if (cmd_type == BNX2FC_SCSI_CMD) { - rx_state = ((task->rx_wr_tx_rd.rx_flags & - FCOE_TASK_CTX_ENTRY_RXWR_TXRD_RX_STATE) >> - FCOE_TASK_CTX_ENTRY_RXWR_TXRD_RX_STATE_SHIFT); + rx_state = ((task->rxwr_txrd.var_ctx.rx_flags & + FCOE_TCE_RX_WR_TX_RD_VAR_RX_STATE) >> + FCOE_TCE_RX_WR_TX_RD_VAR_RX_STATE_SHIFT); + /* Process other IO completion types */ + switch (cmd_type) { + case BNX2FC_SCSI_CMD: if (rx_state == FCOE_TASK_RX_STATE_COMPLETED) { bnx2fc_process_scsi_cmd_compl(io_req, task, num_rq); spin_unlock_bh(&tgt->tgt_lock); return; } - } - /* Process other IO completion types */ - switch (cmd_type) { - case BNX2FC_SCSI_CMD: if (rx_state == FCOE_TASK_RX_STATE_ABTS_COMPLETED) bnx2fc_process_abts_compl(io_req, task, num_rq); else if (rx_state == @@ -819,8 +822,16 @@ void bnx2fc_process_cq_compl(struct bnx2fc_rport *tgt, u16 wqe) break; case BNX2FC_ELS: - BNX2FC_IO_DBG(io_req, "cq_compl - call process_els_compl\n"); - bnx2fc_process_els_compl(io_req, task, num_rq); + if (rx_state == FCOE_TASK_RX_STATE_COMPLETED) + bnx2fc_process_els_compl(io_req, task, num_rq); + else if (rx_state == FCOE_TASK_RX_STATE_ABTS_COMPLETED) + bnx2fc_process_abts_compl(io_req, task, num_rq); + else if (rx_state == + FCOE_TASK_RX_STATE_EXCHANGE_CLEANUP_COMPLETED) + bnx2fc_process_cleanup_compl(io_req, task, num_rq); + else + printk(KERN_ERR PFX "Invalid rx state = %d\n", + rx_state); break; case BNX2FC_CLEANUP: @@ -835,6 +846,20 @@ void bnx2fc_process_cq_compl(struct bnx2fc_rport *tgt, u16 wqe) spin_unlock_bh(&tgt->tgt_lock); } +void bnx2fc_arm_cq(struct bnx2fc_rport *tgt) +{ + struct b577xx_fcoe_rx_doorbell *rx_db = &tgt->rx_db; + u32 msg; + + wmb(); + rx_db->doorbell_cq_cons = tgt->cq_cons_idx | (tgt->cq_curr_toggle_bit << + FCOE_CQE_TOGGLE_BIT_SHIFT); + msg = *((u32 *)rx_db); + writel(cpu_to_le32(msg), tgt->ctx_base); + mmiowb(); + +} + struct bnx2fc_work *bnx2fc_alloc_work(struct bnx2fc_rport *tgt, u16 wqe) { struct bnx2fc_work *work; @@ -853,8 +878,8 @@ int bnx2fc_process_new_cqes(struct bnx2fc_rport *tgt) struct fcoe_cqe *cq; u32 cq_cons; struct fcoe_cqe *cqe; + u32 num_free_sqes = 0; u16 wqe; - bool more_cqes_found = false; /* * cq_lock is a low contention lock used to protect @@ -872,62 +897,51 @@ int bnx2fc_process_new_cqes(struct bnx2fc_rport *tgt) cq_cons = tgt->cq_cons_idx; cqe = &cq[cq_cons]; - do { - more_cqes_found ^= true; - - while (((wqe = cqe->wqe) & FCOE_CQE_TOGGLE_BIT) == - (tgt->cq_curr_toggle_bit << - FCOE_CQE_TOGGLE_BIT_SHIFT)) { + while (((wqe = cqe->wqe) & FCOE_CQE_TOGGLE_BIT) == + (tgt->cq_curr_toggle_bit << + FCOE_CQE_TOGGLE_BIT_SHIFT)) { - /* new entry on the cq */ - if (wqe & FCOE_CQE_CQE_TYPE) { - /* Unsolicited event notification */ - bnx2fc_process_unsol_compl(tgt, wqe); - } else { - struct bnx2fc_work *work = NULL; - struct bnx2fc_percpu_s *fps = NULL; - unsigned int cpu = wqe % num_possible_cpus(); - - fps = &per_cpu(bnx2fc_percpu, cpu); - spin_lock_bh(&fps->fp_work_lock); - if (unlikely(!fps->iothread)) - goto unlock; - - work = bnx2fc_alloc_work(tgt, wqe); - if (work) - list_add_tail(&work->list, - &fps->work_list); + /* new entry on the cq */ + if (wqe & FCOE_CQE_CQE_TYPE) { + /* Unsolicited event notification */ + bnx2fc_process_unsol_compl(tgt, wqe); + } else { + /* Pending work request completion */ + struct bnx2fc_work *work = NULL; + struct bnx2fc_percpu_s *fps = NULL; + unsigned int cpu = wqe % num_possible_cpus(); + + fps = &per_cpu(bnx2fc_percpu, cpu); + spin_lock_bh(&fps->fp_work_lock); + if (unlikely(!fps->iothread)) + goto unlock; + + work = bnx2fc_alloc_work(tgt, wqe); + if (work) + list_add_tail(&work->list, + &fps->work_list); unlock: - spin_unlock_bh(&fps->fp_work_lock); + spin_unlock_bh(&fps->fp_work_lock); - /* Pending work request completion */ - if (fps->iothread && work) - wake_up_process(fps->iothread); - else - bnx2fc_process_cq_compl(tgt, wqe); - } - cqe++; - tgt->cq_cons_idx++; - - if (tgt->cq_cons_idx == BNX2FC_CQ_WQES_MAX) { - tgt->cq_cons_idx = 0; - cqe = cq; - tgt->cq_curr_toggle_bit = - 1 - tgt->cq_curr_toggle_bit; - } + /* Pending work request completion */ + if (fps->iothread && work) + wake_up_process(fps->iothread); + else + bnx2fc_process_cq_compl(tgt, wqe); } - /* Re-arm CQ */ - if (more_cqes_found) { - tgt->conn_db->cq_arm.lo = -1; - wmb(); + cqe++; + tgt->cq_cons_idx++; + num_free_sqes++; + + if (tgt->cq_cons_idx == BNX2FC_CQ_WQES_MAX) { + tgt->cq_cons_idx = 0; + cqe = cq; + tgt->cq_curr_toggle_bit = + 1 - tgt->cq_curr_toggle_bit; } - } while (more_cqes_found); - - /* - * Commit tgt->cq_cons_idx change to the memory - * spin_lock implies full memory barrier, no need to smp_wmb - */ - + } + bnx2fc_arm_cq(tgt); + atomic_add(num_free_sqes, &tgt->free_sqes); spin_unlock_bh(&tgt->cq_lock); return 0; } @@ -1141,7 +1155,11 @@ static void bnx2fc_init_failure(struct bnx2fc_hba *hba, u32 err_code) case FCOE_KCQE_COMPLETION_STATUS_NIC_ERROR: printk(KERN_ERR PFX "init_failure due to NIC error\n"); break; - + case FCOE_KCQE_COMPLETION_STATUS_ERROR: + printk(KERN_ERR PFX "init failure due to compl status err\n"); + break; + case FCOE_KCQE_COMPLETION_STATUS_WRONG_HSI_VERSION: + printk(KERN_ERR PFX "init failure due to HSI mismatch\n"); default: printk(KERN_ERR PFX "Unknown Error code %d\n", err_code); } @@ -1247,21 +1265,14 @@ void bnx2fc_add_2_sq(struct bnx2fc_rport *tgt, u16 xid) void bnx2fc_ring_doorbell(struct bnx2fc_rport *tgt) { - struct b577xx_doorbell_set_prod ev_doorbell; + struct b577xx_doorbell_set_prod *sq_db = &tgt->sq_db; u32 msg; wmb(); - - memset(&ev_doorbell, 0, sizeof(struct b577xx_doorbell_set_prod)); - ev_doorbell.header.header = B577XX_DOORBELL_HDR_DB_TYPE; - - ev_doorbell.prod = tgt->sq_prod_idx | + sq_db->prod = tgt->sq_prod_idx | (tgt->sq_curr_toggle_bit << 15); - ev_doorbell.header.header |= B577XX_FCOE_CONNECTION_TYPE << - B577XX_DOORBELL_HDR_CONN_TYPE_SHIFT; - msg = *((u32 *)&ev_doorbell); + msg = *((u32 *)sq_db); writel(cpu_to_le32(msg), tgt->ctx_base); - mmiowb(); } @@ -1322,18 +1333,26 @@ void bnx2fc_init_cleanup_task(struct bnx2fc_cmd *io_req, memset(task, 0, sizeof(struct fcoe_task_ctx_entry)); /* Tx Write Rx Read */ - task->tx_wr_rx_rd.tx_flags = FCOE_TASK_TX_STATE_EXCHANGE_CLEANUP << - FCOE_TASK_CTX_ENTRY_TXWR_RXRD_TX_STATE_SHIFT; - task->tx_wr_rx_rd.init_flags = task_type << - FCOE_TASK_CTX_ENTRY_TXWR_RXRD_TASK_TYPE_SHIFT; - task->tx_wr_rx_rd.init_flags |= FCOE_TASK_CLASS_TYPE_3 << - FCOE_TASK_CTX_ENTRY_TXWR_RXRD_CLASS_TYPE_SHIFT; - /* Common */ - task->cmn.common_flags = context_id << - FCOE_TASK_CTX_ENTRY_TX_RX_CMN_CID_SHIFT; - task->cmn.general.cleanup_info.task_id = orig_xid; - - + /* init flags */ + task->txwr_rxrd.const_ctx.init_flags = task_type << + FCOE_TCE_TX_WR_RX_RD_CONST_TASK_TYPE_SHIFT; + task->txwr_rxrd.const_ctx.init_flags |= FCOE_TASK_CLASS_TYPE_3 << + FCOE_TCE_TX_WR_RX_RD_CONST_CLASS_TYPE_SHIFT; + task->txwr_rxrd.const_ctx.init_flags |= + FCOE_TASK_DEV_TYPE_DISK << + FCOE_TCE_TX_WR_RX_RD_CONST_DEV_TYPE_SHIFT; + task->txwr_rxrd.union_ctx.cleanup.ctx.cleaned_task_id = orig_xid; + + /* Tx flags */ + task->txwr_rxrd.const_ctx.tx_flags = + FCOE_TASK_TX_STATE_EXCHANGE_CLEANUP << + FCOE_TCE_TX_WR_RX_RD_CONST_TX_STATE_SHIFT; + + /* Rx Read Tx Write */ + task->rxwr_txrd.const_ctx.init_flags = context_id << + FCOE_TCE_RX_WR_TX_RD_CONST_CID_SHIFT; + task->rxwr_txrd.var_ctx.rx_flags |= 1 << + FCOE_TCE_RX_WR_TX_RD_VAR_EXP_FIRST_FRAME_SHIFT; } void bnx2fc_init_mp_task(struct bnx2fc_cmd *io_req, @@ -1342,6 +1361,7 @@ void bnx2fc_init_mp_task(struct bnx2fc_cmd *io_req, struct bnx2fc_mp_req *mp_req = &(io_req->mp_req); struct bnx2fc_rport *tgt = io_req->tgt; struct fc_frame_header *fc_hdr; + struct fcoe_ext_mul_sges_ctx *sgl; u8 task_type = 0; u64 *hdr; u64 temp_hdr[3]; @@ -1367,47 +1387,49 @@ void bnx2fc_init_mp_task(struct bnx2fc_cmd *io_req, /* Tx only */ if ((task_type == FCOE_TASK_TYPE_MIDPATH) || (task_type == FCOE_TASK_TYPE_UNSOLICITED)) { - task->tx_wr_only.sgl_ctx.mul_sges.cur_sge_addr.lo = + task->txwr_only.sgl_ctx.sgl.mul_sgl.cur_sge_addr.lo = (u32)mp_req->mp_req_bd_dma; - task->tx_wr_only.sgl_ctx.mul_sges.cur_sge_addr.hi = + task->txwr_only.sgl_ctx.sgl.mul_sgl.cur_sge_addr.hi = (u32)((u64)mp_req->mp_req_bd_dma >> 32); - task->tx_wr_only.sgl_ctx.mul_sges.sgl_size = 1; - BNX2FC_IO_DBG(io_req, "init_mp_task - bd_dma = 0x%llx\n", - (unsigned long long)mp_req->mp_req_bd_dma); + task->txwr_only.sgl_ctx.sgl.mul_sgl.sgl_size = 1; } /* Tx Write Rx Read */ - task->tx_wr_rx_rd.tx_flags = FCOE_TASK_TX_STATE_INIT << - FCOE_TASK_CTX_ENTRY_TXWR_RXRD_TX_STATE_SHIFT; - task->tx_wr_rx_rd.init_flags = task_type << - FCOE_TASK_CTX_ENTRY_TXWR_RXRD_TASK_TYPE_SHIFT; - task->tx_wr_rx_rd.init_flags |= FCOE_TASK_DEV_TYPE_DISK << - FCOE_TASK_CTX_ENTRY_TXWR_RXRD_DEV_TYPE_SHIFT; - task->tx_wr_rx_rd.init_flags |= FCOE_TASK_CLASS_TYPE_3 << - FCOE_TASK_CTX_ENTRY_TXWR_RXRD_CLASS_TYPE_SHIFT; - - /* Common */ - task->cmn.data_2_trns = io_req->data_xfer_len; - context_id = tgt->context_id; - task->cmn.common_flags = context_id << - FCOE_TASK_CTX_ENTRY_TX_RX_CMN_CID_SHIFT; - task->cmn.common_flags |= 1 << - FCOE_TASK_CTX_ENTRY_TX_RX_CMN_VALID_SHIFT; - task->cmn.common_flags |= 1 << - FCOE_TASK_CTX_ENTRY_TX_RX_CMN_EXP_FIRST_FRAME_SHIFT; + /* init flags */ + task->txwr_rxrd.const_ctx.init_flags = task_type << + FCOE_TCE_TX_WR_RX_RD_CONST_TASK_TYPE_SHIFT; + task->txwr_rxrd.const_ctx.init_flags |= + FCOE_TASK_DEV_TYPE_DISK << + FCOE_TCE_TX_WR_RX_RD_CONST_DEV_TYPE_SHIFT; + task->txwr_rxrd.const_ctx.init_flags |= FCOE_TASK_CLASS_TYPE_3 << + FCOE_TCE_TX_WR_RX_RD_CONST_CLASS_TYPE_SHIFT; + + /* tx flags */ + task->txwr_rxrd.const_ctx.tx_flags = FCOE_TASK_TX_STATE_INIT << + FCOE_TCE_TX_WR_RX_RD_CONST_TX_STATE_SHIFT; /* Rx Write Tx Read */ + task->rxwr_txrd.const_ctx.data_2_trns = io_req->data_xfer_len; + + /* rx flags */ + task->rxwr_txrd.var_ctx.rx_flags |= 1 << + FCOE_TCE_RX_WR_TX_RD_VAR_EXP_FIRST_FRAME_SHIFT; + + context_id = tgt->context_id; + task->rxwr_txrd.const_ctx.init_flags = context_id << + FCOE_TCE_RX_WR_TX_RD_CONST_CID_SHIFT; + fc_hdr = &(mp_req->req_fc_hdr); if (task_type == FCOE_TASK_TYPE_MIDPATH) { fc_hdr->fh_ox_id = cpu_to_be16(io_req->xid); fc_hdr->fh_rx_id = htons(0xffff); - task->rx_wr_tx_rd.rx_id = 0xffff; + task->rxwr_txrd.var_ctx.rx_id = 0xffff; } else if (task_type == FCOE_TASK_TYPE_UNSOLICITED) { fc_hdr->fh_rx_id = cpu_to_be16(io_req->xid); } /* Fill FC Header into middle path buffer */ - hdr = (u64 *) &task->cmn.general.cmd_info.mp_fc_frame.fc_hdr; + hdr = (u64 *) &task->txwr_rxrd.union_ctx.tx_frame.fc_hdr; memcpy(temp_hdr, fc_hdr, sizeof(temp_hdr)); hdr[0] = cpu_to_be64(temp_hdr[0]); hdr[1] = cpu_to_be64(temp_hdr[1]); @@ -1415,12 +1437,12 @@ void bnx2fc_init_mp_task(struct bnx2fc_cmd *io_req, /* Rx Only */ if (task_type == FCOE_TASK_TYPE_MIDPATH) { + sgl = &task->rxwr_only.union_ctx.read_info.sgl_ctx.sgl; - task->rx_wr_only.sgl_ctx.mul_sges.cur_sge_addr.lo = - (u32)mp_req->mp_resp_bd_dma; - task->rx_wr_only.sgl_ctx.mul_sges.cur_sge_addr.hi = + sgl->mul_sgl.cur_sge_addr.lo = (u32)mp_req->mp_resp_bd_dma; + sgl->mul_sgl.cur_sge_addr.hi = (u32)((u64)mp_req->mp_resp_bd_dma >> 32); - task->rx_wr_only.sgl_ctx.mul_sges.sgl_size = 1; + sgl->mul_sgl.sgl_size = 1; } } @@ -1431,6 +1453,8 @@ void bnx2fc_init_task(struct bnx2fc_cmd *io_req, struct scsi_cmnd *sc_cmd = io_req->sc_cmd; struct io_bdt *bd_tbl = io_req->bd_tbl; struct bnx2fc_rport *tgt = io_req->tgt; + struct fcoe_cached_sge_ctx *cached_sge; + struct fcoe_ext_mul_sges_ctx *sgl; u64 *fcp_cmnd; u64 tmp_fcp_cmnd[4]; u32 context_id; @@ -1449,47 +1473,33 @@ void bnx2fc_init_task(struct bnx2fc_cmd *io_req, /* Tx only */ if (task_type == FCOE_TASK_TYPE_WRITE) { - task->tx_wr_only.sgl_ctx.mul_sges.cur_sge_addr.lo = + task->txwr_only.sgl_ctx.sgl.mul_sgl.cur_sge_addr.lo = (u32)bd_tbl->bd_tbl_dma; - task->tx_wr_only.sgl_ctx.mul_sges.cur_sge_addr.hi = + task->txwr_only.sgl_ctx.sgl.mul_sgl.cur_sge_addr.hi = (u32)((u64)bd_tbl->bd_tbl_dma >> 32); - task->tx_wr_only.sgl_ctx.mul_sges.sgl_size = + task->txwr_only.sgl_ctx.sgl.mul_sgl.sgl_size = bd_tbl->bd_valid; } /*Tx Write Rx Read */ /* Init state to NORMAL */ - task->tx_wr_rx_rd.tx_flags = FCOE_TASK_TX_STATE_NORMAL << - FCOE_TASK_CTX_ENTRY_TXWR_RXRD_TX_STATE_SHIFT; - task->tx_wr_rx_rd.init_flags = task_type << - FCOE_TASK_CTX_ENTRY_TXWR_RXRD_TASK_TYPE_SHIFT; - task->tx_wr_rx_rd.init_flags |= FCOE_TASK_DEV_TYPE_DISK << - FCOE_TASK_CTX_ENTRY_TXWR_RXRD_DEV_TYPE_SHIFT; - task->tx_wr_rx_rd.init_flags |= FCOE_TASK_CLASS_TYPE_3 << - FCOE_TASK_CTX_ENTRY_TXWR_RXRD_CLASS_TYPE_SHIFT; - - /* Common */ - task->cmn.data_2_trns = io_req->data_xfer_len; - context_id = tgt->context_id; - task->cmn.common_flags = context_id << - FCOE_TASK_CTX_ENTRY_TX_RX_CMN_CID_SHIFT; - task->cmn.common_flags |= 1 << - FCOE_TASK_CTX_ENTRY_TX_RX_CMN_VALID_SHIFT; - task->cmn.common_flags |= 1 << - FCOE_TASK_CTX_ENTRY_TX_RX_CMN_EXP_FIRST_FRAME_SHIFT; - - /* Set initiative ownership */ - task->cmn.common_flags |= FCOE_TASK_CTX_ENTRY_TX_RX_CMN_SEQ_INIT; + task->txwr_rxrd.const_ctx.init_flags = task_type << + FCOE_TCE_TX_WR_RX_RD_CONST_TASK_TYPE_SHIFT; + task->txwr_rxrd.const_ctx.init_flags |= + FCOE_TASK_DEV_TYPE_DISK << + FCOE_TCE_TX_WR_RX_RD_CONST_DEV_TYPE_SHIFT; + task->txwr_rxrd.const_ctx.init_flags |= FCOE_TASK_CLASS_TYPE_3 << + FCOE_TCE_TX_WR_RX_RD_CONST_CLASS_TYPE_SHIFT; + /* tx flags */ + task->txwr_rxrd.const_ctx.tx_flags = FCOE_TASK_TX_STATE_NORMAL << + FCOE_TCE_TX_WR_RX_RD_CONST_TX_STATE_SHIFT; /* Set initial seq counter */ - task->cmn.tx_low_seq_cnt = 1; - - /* Set state to "waiting for the first packet" */ - task->cmn.common_flags |= FCOE_TASK_CTX_ENTRY_TX_RX_CMN_EXP_FIRST_FRAME; + task->txwr_rxrd.union_ctx.tx_seq.ctx.seq_cnt = 1; /* Fill FCP_CMND IU */ fcp_cmnd = (u64 *) - task->cmn.general.cmd_info.fcp_cmd_payload.opaque; + task->txwr_rxrd.union_ctx.fcp_cmd.opaque; bnx2fc_build_fcp_cmnd(io_req, (struct fcp_cmnd *)&tmp_fcp_cmnd); /* swap fcp_cmnd */ @@ -1501,32 +1511,54 @@ void bnx2fc_init_task(struct bnx2fc_cmd *io_req, } /* Rx Write Tx Read */ - task->rx_wr_tx_rd.rx_id = 0xffff; + task->rxwr_txrd.const_ctx.data_2_trns = io_req->data_xfer_len; + + context_id = tgt->context_id; + task->rxwr_txrd.const_ctx.init_flags = context_id << + FCOE_TCE_RX_WR_TX_RD_CONST_CID_SHIFT; + + /* rx flags */ + /* Set state to "waiting for the first packet" */ + task->rxwr_txrd.var_ctx.rx_flags |= 1 << + FCOE_TCE_RX_WR_TX_RD_VAR_EXP_FIRST_FRAME_SHIFT; + + task->rxwr_txrd.var_ctx.rx_id = 0xffff; /* Rx Only */ + cached_sge = &task->rxwr_only.union_ctx.read_info.sgl_ctx.cached_sge; + sgl = &task->rxwr_only.union_ctx.read_info.sgl_ctx.sgl; + bd_count = bd_tbl->bd_valid; if (task_type == FCOE_TASK_TYPE_READ) { - - bd_count = bd_tbl->bd_valid; if (bd_count == 1) { struct fcoe_bd_ctx *fcoe_bd_tbl = bd_tbl->bd_tbl; - task->rx_wr_only.sgl_ctx.single_sge.cur_buf_addr.lo = - fcoe_bd_tbl->buf_addr_lo; - task->rx_wr_only.sgl_ctx.single_sge.cur_buf_addr.hi = - fcoe_bd_tbl->buf_addr_hi; - task->rx_wr_only.sgl_ctx.single_sge.cur_buf_rem = - fcoe_bd_tbl->buf_len; - task->tx_wr_rx_rd.init_flags |= 1 << - FCOE_TASK_CTX_ENTRY_TXWR_RXRD_SINGLE_SGE_SHIFT; + cached_sge->cur_buf_addr.lo = fcoe_bd_tbl->buf_addr_lo; + cached_sge->cur_buf_addr.hi = fcoe_bd_tbl->buf_addr_hi; + cached_sge->cur_buf_rem = fcoe_bd_tbl->buf_len; + task->txwr_rxrd.const_ctx.init_flags |= 1 << + FCOE_TCE_TX_WR_RX_RD_CONST_CACHED_SGE_SHIFT; + } else if (bd_count == 2) { + struct fcoe_bd_ctx *fcoe_bd_tbl = bd_tbl->bd_tbl; + + cached_sge->cur_buf_addr.lo = fcoe_bd_tbl->buf_addr_lo; + cached_sge->cur_buf_addr.hi = fcoe_bd_tbl->buf_addr_hi; + cached_sge->cur_buf_rem = fcoe_bd_tbl->buf_len; + + fcoe_bd_tbl++; + cached_sge->second_buf_addr.lo = + fcoe_bd_tbl->buf_addr_lo; + cached_sge->second_buf_addr.hi = + fcoe_bd_tbl->buf_addr_hi; + cached_sge->second_buf_rem = fcoe_bd_tbl->buf_len; + task->txwr_rxrd.const_ctx.init_flags |= 1 << + FCOE_TCE_TX_WR_RX_RD_CONST_CACHED_SGE_SHIFT; } else { - task->rx_wr_only.sgl_ctx.mul_sges.cur_sge_addr.lo = - (u32)bd_tbl->bd_tbl_dma; - task->rx_wr_only.sgl_ctx.mul_sges.cur_sge_addr.hi = + sgl->mul_sgl.cur_sge_addr.lo = (u32)bd_tbl->bd_tbl_dma; + sgl->mul_sgl.cur_sge_addr.hi = (u32)((u64)bd_tbl->bd_tbl_dma >> 32); - task->rx_wr_only.sgl_ctx.mul_sges.sgl_size = - bd_tbl->bd_valid; + sgl->mul_sgl.sgl_size = bd_count; } } } |