diff options
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_iocb.c')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_iocb.c | 739 |
1 files changed, 510 insertions, 229 deletions
diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c index 55a96761b5a..76093152959 100644 --- a/drivers/scsi/qla2xxx/qla_iocb.c +++ b/drivers/scsi/qla2xxx/qla_iocb.c @@ -1,10 +1,11 @@ /* * QLogic Fibre Channel HBA Driver - * Copyright (c) 2003-2011 QLogic Corporation + * Copyright (c) 2003-2014 QLogic Corporation * * See LICENSE.qla2xxx for copyright and licensing details. */ #include "qla_def.h" +#include "qla_target.h" #include <linux/blkdev.h> #include <linux/delay.h> @@ -22,18 +23,20 @@ static inline uint16_t qla2x00_get_cmd_direction(srb_t *sp) { uint16_t cflags; + struct scsi_cmnd *cmd = GET_CMD_SP(sp); + struct scsi_qla_host *vha = sp->fcport->vha; cflags = 0; /* Set transfer direction */ - if (sp->cmd->sc_data_direction == DMA_TO_DEVICE) { + if (cmd->sc_data_direction == DMA_TO_DEVICE) { cflags = CF_WRITE; - sp->fcport->vha->hw->qla_stats.output_bytes += - scsi_bufflen(sp->cmd); - } else if (sp->cmd->sc_data_direction == DMA_FROM_DEVICE) { + vha->qla_stats.output_bytes += scsi_bufflen(cmd); + vha->qla_stats.output_requests++; + } else if (cmd->sc_data_direction == DMA_FROM_DEVICE) { cflags = CF_READ; - sp->fcport->vha->hw->qla_stats.input_bytes += - scsi_bufflen(sp->cmd); + vha->qla_stats.input_bytes += scsi_bufflen(cmd); + vha->qla_stats.input_requests++; } return (cflags); } @@ -134,7 +137,8 @@ qla2x00_prep_cont_type1_iocb(scsi_qla_host_t *vha, struct req_que *req) cont_pkt = (cont_a64_entry_t *)req->ring_ptr; /* Load packet defaults. */ - *((uint32_t *)(&cont_pkt->entry_type)) = + *((uint32_t *)(&cont_pkt->entry_type)) = IS_QLAFX00(vha->hw) ? + __constant_cpu_to_le32(CONTINUE_A64_TYPE_FX00) : __constant_cpu_to_le32(CONTINUE_A64_TYPE); return (cont_pkt); @@ -143,20 +147,14 @@ qla2x00_prep_cont_type1_iocb(scsi_qla_host_t *vha, struct req_que *req) static inline int qla24xx_configure_prot_mode(srb_t *sp, uint16_t *fw_prot_opts) { - uint8_t guard = scsi_host_get_guard(sp->cmd->device->host); - - /* We only support T10 DIF right now */ - if (guard != SHOST_DIX_GUARD_CRC) { - ql_dbg(ql_dbg_io, sp->fcport->vha, 0x3007, - "Unsupported guard: %d for cmd=%p.\n", guard, sp->cmd); - return 0; - } + struct scsi_cmnd *cmd = GET_CMD_SP(sp); + uint8_t guard = scsi_host_get_guard(cmd->device->host); /* We always use DIFF Bundling for best performance */ *fw_prot_opts = 0; /* Translate SCSI opcode to a protection opcode */ - switch (scsi_get_prot_op(sp->cmd)) { + switch (scsi_get_prot_op(cmd)) { case SCSI_PROT_READ_STRIP: *fw_prot_opts |= PO_MODE_DIF_REMOVE; break; @@ -170,17 +168,18 @@ qla24xx_configure_prot_mode(srb_t *sp, uint16_t *fw_prot_opts) *fw_prot_opts |= PO_MODE_DIF_REMOVE; break; case SCSI_PROT_READ_PASS: - *fw_prot_opts |= PO_MODE_DIF_PASS; - break; case SCSI_PROT_WRITE_PASS: - *fw_prot_opts |= PO_MODE_DIF_PASS; + if (guard & SHOST_DIX_GUARD_IP) + *fw_prot_opts |= PO_MODE_DIF_TCP_CKSUM; + else + *fw_prot_opts |= PO_MODE_DIF_PASS; break; default: /* Normal Request */ *fw_prot_opts |= PO_MODE_DIF_PASS; break; } - return scsi_prot_sg_count(sp->cmd); + return scsi_prot_sg_count(cmd); } /* @@ -201,7 +200,7 @@ void qla2x00_build_scsi_iocbs_32(srb_t *sp, cmd_entry_t *cmd_pkt, struct scatterlist *sg; int i; - cmd = sp->cmd; + cmd = GET_CMD_SP(sp); /* Update entry type to indicate Command Type 2 IOCB */ *((uint32_t *)(&cmd_pkt->entry_type)) = @@ -259,7 +258,7 @@ void qla2x00_build_scsi_iocbs_64(srb_t *sp, cmd_entry_t *cmd_pkt, struct scatterlist *sg; int i; - cmd = sp->cmd; + cmd = GET_CMD_SP(sp); /* Update entry type to indicate Command Type 3 IOCB */ *((uint32_t *)(&cmd_pkt->entry_type)) = @@ -333,7 +332,7 @@ qla2x00_start_scsi(srb_t *sp) vha = sp->fcport->vha; ha = vha->hw; reg = &ha->iobase->isp; - cmd = sp->cmd; + cmd = GET_CMD_SP(sp); req = ha->req_q_map[0]; rsp = ha->rsp_q_map[0]; /* So we know we haven't pci_map'ed anything yet */ @@ -353,14 +352,14 @@ qla2x00_start_scsi(srb_t *sp) /* Check for room in outstanding command list. */ handle = req->current_outstanding_cmd; - for (index = 1; index < MAX_OUTSTANDING_COMMANDS; index++) { + for (index = 1; index < req->num_outstanding_cmds; index++) { handle++; - if (handle == MAX_OUTSTANDING_COMMANDS) + if (handle == req->num_outstanding_cmds) handle = 1; if (!req->outstanding_cmds[handle]) break; } - if (index == MAX_OUTSTANDING_COMMANDS) + if (index == req->num_outstanding_cmds) goto queuing_error; /* Map the sg table so we have an accurate count of sg entries needed */ @@ -383,15 +382,16 @@ qla2x00_start_scsi(srb_t *sp) else req->cnt = req->length - (req->ring_index - cnt); + /* If still no head room then bail out */ + if (req->cnt < (req_cnt + 2)) + goto queuing_error; } - if (req->cnt < (req_cnt + 2)) - goto queuing_error; /* 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; + cmd->host_scribble = (unsigned char *)(unsigned long)handle; req->cnt -= req_cnt; cmd_pkt = (cmd_entry_t *)req->ring_ptr; @@ -403,7 +403,7 @@ qla2x00_start_scsi(srb_t *sp) /* Set target ID and LUN number*/ SET_TARGET_ID(ha, cmd_pkt->target, sp->fcport->loop_id); - cmd_pkt->lun = cpu_to_le16(sp->cmd->device->lun); + cmd_pkt->lun = cpu_to_le16(cmd->device->lun); /* Update tagged queuing modifier */ if (scsi_populate_tag_msg(cmd, tag)) { @@ -421,6 +421,8 @@ qla2x00_start_scsi(srb_t *sp) __constant_cpu_to_le16(CF_SIMPLE_TAG); break; } + } else { + cmd_pkt->control_flags = __constant_cpu_to_le16(CF_SIMPLE_TAG); } /* Load SCSI command packet. */ @@ -468,14 +470,13 @@ queuing_error: /** * qla2x00_start_iocbs() - Execute the IOCB command */ -static void +void qla2x00_start_iocbs(struct scsi_qla_host *vha, struct req_que *req) { struct qla_hw_data *ha = vha->hw; device_reg_t __iomem *reg = ISP_QUE_REG(ha, req->id); - struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp; - if (IS_QLA82XX(ha)) { + if (IS_P3P_TYPE(ha)) { qla82xx_start_iocbs(vha); } else { /* Adjust ring index. */ @@ -487,9 +488,13 @@ qla2x00_start_iocbs(struct scsi_qla_host *vha, struct req_que *req) req->ring_ptr++; /* Set chip new ring index. */ - if (ha->mqenable) { - WRT_REG_DWORD(®->isp25mq.req_q_in, req->ring_index); - RD_REG_DWORD(&ioreg->hccr); + if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha)) { + WRT_REG_DWORD(req->req_q_in, req->ring_index); + RD_REG_DWORD_RELAXED(&ha->iobase->isp24.hccr); + } else if (IS_QLAFX00(ha)) { + WRT_REG_DWORD(®->ispfx00.req_q_in, req->ring_index); + RD_REG_DWORD_RELAXED(®->ispfx00.req_q_in); + QLAFX00_SET_HST_INTR(ha, ha->rqstq_intr_code); } else if (IS_FWI2_CAPABLE(ha)) { WRT_REG_DWORD(®->isp24.req_q_in, req->ring_index); RD_REG_DWORD_RELAXED(®->isp24.req_q_in); @@ -518,13 +523,13 @@ __qla2x00_marker(struct scsi_qla_host *vha, struct req_que *req, uint16_t lun, uint8_t type) { mrk_entry_t *mrk; - struct mrk_entry_24xx *mrk24; + struct mrk_entry_24xx *mrk24 = NULL; + struct qla_hw_data *ha = vha->hw; scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev); - mrk24 = NULL; req = ha->req_q_map[0]; - mrk = (mrk_entry_t *)qla2x00_alloc_iocbs(vha, 0); + mrk = (mrk_entry_t *)qla2x00_alloc_iocbs(vha, NULL); if (mrk == NULL) { ql_log(ql_log_warn, base_vha, 0x3026, "Failed to allocate Marker IOCB.\n"); @@ -570,26 +575,27 @@ qla2x00_marker(struct scsi_qla_host *vha, struct req_que *req, return (ret); } -/** - * qla24xx_calc_iocbs() - Determine number of Command Type 3 and - * Continuation Type 1 IOCBs to allocate. - * - * @dsds: number of data segment decriptors needed +/* + * qla2x00_issue_marker * - * Returns the number of IOCB entries needed to store @dsds. + * Issue marker + * Caller CAN have hardware lock held as specified by ha_locked parameter. + * Might release it, then reaquire. */ -inline uint16_t -qla24xx_calc_iocbs(scsi_qla_host_t *vha, uint16_t dsds) +int qla2x00_issue_marker(scsi_qla_host_t *vha, int ha_locked) { - uint16_t iocbs; - - iocbs = 1; - if (dsds > 1) { - iocbs += (dsds - 1) / 5; - if ((dsds - 1) % 5) - iocbs++; + if (ha_locked) { + if (__qla2x00_marker(vha, vha->req, vha->req->rsp, 0, 0, + MK_SYNC_ALL) != QLA_SUCCESS) + return QLA_FUNCTION_FAILED; + } else { + if (qla2x00_marker(vha, vha->req, vha->req->rsp, 0, 0, + MK_SYNC_ALL) != QLA_SUCCESS) + return QLA_FUNCTION_FAILED; } - return iocbs; + vha->marker_needed = 0; + + return QLA_SUCCESS; } static inline int @@ -609,7 +615,7 @@ qla24xx_build_scsi_type_6_iocbs(srb_t *sp, struct cmd_type_6 *cmd_pkt, struct dsd_dma *dsd_ptr; struct ct6_dsd *ctx; - cmd = sp->cmd; + cmd = GET_CMD_SP(sp); /* Update entry type to indicate Command Type 3 IOCB */ *((uint32_t *)(&cmd_pkt->entry_type)) = @@ -628,15 +634,17 @@ qla24xx_build_scsi_type_6_iocbs(srb_t *sp, struct cmd_type_6 *cmd_pkt, 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); + vha->qla_stats.output_bytes += scsi_bufflen(cmd); + vha->qla_stats.output_requests++; } 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); + vha->qla_stats.input_bytes += scsi_bufflen(cmd); + vha->qla_stats.input_requests++; } cur_seg = scsi_sglist(cmd); - ctx = sp->ctx; + ctx = GET_CMD_CTX_SP(sp); while (tot_dsds) { avail_dsds = (tot_dsds > QLA_DSDS_PER_IOCB) ? @@ -725,7 +733,7 @@ qla24xx_build_scsi_iocbs(srb_t *sp, struct cmd_type_7 *cmd_pkt, int i; struct req_que *req; - cmd = sp->cmd; + cmd = GET_CMD_SP(sp); /* Update entry type to indicate Command Type 3 IOCB */ *((uint32_t *)(&cmd_pkt->entry_type)) = @@ -744,13 +752,13 @@ qla24xx_build_scsi_iocbs(srb_t *sp, struct cmd_type_7 *cmd_pkt, if (cmd->sc_data_direction == DMA_TO_DEVICE) { cmd_pkt->task_mgmt_flags = __constant_cpu_to_le16(TMF_WRITE_DATA); - sp->fcport->vha->hw->qla_stats.output_bytes += - scsi_bufflen(sp->cmd); + vha->qla_stats.output_bytes += scsi_bufflen(cmd); + vha->qla_stats.output_requests++; } else if (cmd->sc_data_direction == DMA_FROM_DEVICE) { cmd_pkt->task_mgmt_flags = __constant_cpu_to_le16(TMF_READ_DATA); - sp->fcport->vha->hw->qla_stats.input_bytes += - scsi_bufflen(sp->cmd); + vha->qla_stats.input_bytes += scsi_bufflen(cmd); + vha->qla_stats.input_requests++; } /* One DSD is available in the Command Type 3 IOCB */ @@ -797,8 +805,7 @@ static inline void qla24xx_set_t10dif_tags(srb_t *sp, struct fw_dif_context *pkt, unsigned int protcnt) { - struct scsi_cmnd *cmd = sp->cmd; - scsi_qla_host_t *vha = shost_priv(cmd->device->host); + struct scsi_cmnd *cmd = GET_CMD_SP(sp); switch (scsi_get_prot_type(cmd)) { case SCSI_PROT_DIF_TYPE0: @@ -868,12 +875,6 @@ qla24xx_set_t10dif_tags(srb_t *sp, struct fw_dif_context *pkt, pkt->ref_tag_mask[3] = 0xff; break; } - - ql_dbg(ql_dbg_io, vha, 0x3009, - "Setting protection Tags: (BIG) ref tag = 0x%x, app tag = 0x%x, " - "prot SG count %d, cmd lba 0x%x, prot_type=%u cmd=%p.\n", - pkt->ref_tag, pkt->app_tag, protcnt, (int)scsi_get_lba(cmd), - scsi_get_prot_type(cmd), cmd); } struct qla2_sgx { @@ -935,9 +936,9 @@ qla24xx_get_one_block_sg(uint32_t blk_sz, struct qla2_sgx *sgx, return 1; } -static int +int qla24xx_walk_and_build_sglist_no_difb(struct qla_hw_data *ha, srb_t *sp, - uint32_t *dsd, uint16_t tot_dsds) + uint32_t *dsd, uint16_t tot_dsds, struct qla_tgt_cmd *tc) { void *next_dsd; uint8_t avail_dsds = 0; @@ -947,21 +948,35 @@ qla24xx_walk_and_build_sglist_no_difb(struct qla_hw_data *ha, srb_t *sp, uint32_t *cur_dsd = dsd; uint16_t used_dsds = tot_dsds; - uint32_t prot_int; + uint32_t prot_int; /* protection interval */ uint32_t partial; struct qla2_sgx sgx; dma_addr_t sle_dma; uint32_t sle_dma_len, tot_prot_dma_len = 0; - struct scsi_cmnd *cmd = sp->cmd; - - prot_int = cmd->device->sector_size; + struct scsi_cmnd *cmd; + struct scsi_qla_host *vha; memset(&sgx, 0, sizeof(struct qla2_sgx)); - sgx.tot_bytes = scsi_bufflen(sp->cmd); - sgx.cur_sg = scsi_sglist(sp->cmd); - sgx.sp = sp; - - sg_prot = scsi_prot_sglist(sp->cmd); + if (sp) { + vha = sp->fcport->vha; + cmd = GET_CMD_SP(sp); + prot_int = cmd->device->sector_size; + + sgx.tot_bytes = scsi_bufflen(cmd); + sgx.cur_sg = scsi_sglist(cmd); + sgx.sp = sp; + + sg_prot = scsi_prot_sglist(cmd); + } else if (tc) { + vha = tc->vha; + prot_int = tc->blk_sz; + sgx.tot_bytes = tc->bufflen; + sgx.cur_sg = tc->sg; + sg_prot = tc->prot_sg; + } else { + BUG(); + return 1; + } while (qla24xx_get_one_block_sg(prot_int, &sgx, &partial)) { @@ -994,10 +1009,18 @@ alloc_and_fill: return 1; } - list_add_tail(&dsd_ptr->list, - &((struct crc_context *)sp->ctx)->dsd_list); + if (sp) { + list_add_tail(&dsd_ptr->list, + &((struct crc_context *) + sp->u.scmd.ctx)->dsd_list); + + sp->flags |= SRB_CRC_CTX_DSD_VALID; + } else { + list_add_tail(&dsd_ptr->list, + &(tc->ctx->dsd_list)); + tc->ctx_dsd_alloced = 1; + } - sp->flags |= SRB_CRC_CTX_DSD_VALID; /* add new list to cmd iocb or last list */ *cur_dsd++ = cpu_to_le32(LSD(dsd_ptr->dsd_list_dma)); @@ -1032,23 +1055,35 @@ alloc_and_fill: return 0; } -static int +int qla24xx_walk_and_build_sglist(struct qla_hw_data *ha, srb_t *sp, uint32_t *dsd, - uint16_t tot_dsds) + uint16_t tot_dsds, struct qla_tgt_cmd *tc) { void *next_dsd; uint8_t avail_dsds = 0; uint32_t dsd_list_len; struct dsd_dma *dsd_ptr; - struct scatterlist *sg; + struct scatterlist *sg, *sgl; uint32_t *cur_dsd = dsd; int i; uint16_t used_dsds = tot_dsds; - scsi_qla_host_t *vha = shost_priv(sp->cmd->device->host); + struct scsi_cmnd *cmd; + struct scsi_qla_host *vha; + + if (sp) { + cmd = GET_CMD_SP(sp); + sgl = scsi_sglist(cmd); + vha = sp->fcport->vha; + } else if (tc) { + sgl = tc->sg; + vha = tc->vha; + } else { + BUG(); + return 1; + } - uint8_t *cp; - scsi_for_each_sg(sp->cmd, sg, tot_dsds, i) { + for_each_sg(sgl, sg, tot_dsds, i) { dma_addr_t sle_dma; /* Allocate additional continuation packets? */ @@ -1077,10 +1112,17 @@ qla24xx_walk_and_build_sglist(struct qla_hw_data *ha, srb_t *sp, uint32_t *dsd, return 1; } - list_add_tail(&dsd_ptr->list, - &((struct crc_context *)sp->ctx)->dsd_list); + if (sp) { + list_add_tail(&dsd_ptr->list, + &((struct crc_context *) + sp->u.scmd.ctx)->dsd_list); - sp->flags |= SRB_CRC_CTX_DSD_VALID; + sp->flags |= SRB_CRC_CTX_DSD_VALID; + } else { + list_add_tail(&dsd_ptr->list, + &(tc->ctx->dsd_list)); + tc->ctx_dsd_alloced = 1; + } /* add new list to cmd iocb or last list */ *cur_dsd++ = cpu_to_le32(LSD(dsd_ptr->dsd_list_dma)); @@ -1089,20 +1131,12 @@ qla24xx_walk_and_build_sglist(struct qla_hw_data *ha, srb_t *sp, uint32_t *dsd, cur_dsd = (uint32_t *)next_dsd; } sle_dma = sg_dma_address(sg); - ql_dbg(ql_dbg_io, vha, 0x300a, - "sg entry %d - addr=0x%x 0x%x, " "len=%d for cmd=%p.\n", - i, LSD(sle_dma), MSD(sle_dma), sg_dma_len(sg), - sp->cmd); + *cur_dsd++ = cpu_to_le32(LSD(sle_dma)); *cur_dsd++ = cpu_to_le32(MSD(sle_dma)); *cur_dsd++ = cpu_to_le32(sg_dma_len(sg)); avail_dsds--; - if (scsi_get_prot_op(sp->cmd) == SCSI_PROT_WRITE_PASS) { - cp = page_address(sg_page(sg)) + sg->offset; - ql_dbg(ql_dbg_io, vha, 0x300b, - "User data buffer=%p for cmd=%p.\n", cp, sp->cmd); - } } /* Null termination */ *cur_dsd++ = 0; @@ -1111,26 +1145,37 @@ qla24xx_walk_and_build_sglist(struct qla_hw_data *ha, srb_t *sp, uint32_t *dsd, return 0; } -static int +int qla24xx_walk_and_build_prot_sglist(struct qla_hw_data *ha, srb_t *sp, - uint32_t *dsd, - uint16_t tot_dsds) + uint32_t *dsd, uint16_t tot_dsds, struct qla_tgt_cmd *tc) { void *next_dsd; uint8_t avail_dsds = 0; uint32_t dsd_list_len; struct dsd_dma *dsd_ptr; - struct scatterlist *sg; + struct scatterlist *sg, *sgl; int i; struct scsi_cmnd *cmd; uint32_t *cur_dsd = dsd; - uint16_t used_dsds = tot_dsds; - scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); - uint8_t *cp; + uint16_t used_dsds = tot_dsds; + struct scsi_qla_host *vha; + + if (sp) { + cmd = GET_CMD_SP(sp); + sgl = scsi_prot_sglist(cmd); + vha = sp->fcport->vha; + } else if (tc) { + vha = tc->vha; + sgl = tc->prot_sg; + } else { + BUG(); + return 1; + } + ql_dbg(ql_dbg_tgt, vha, 0xe021, + "%s: enter\n", __func__); - cmd = sp->cmd; - scsi_for_each_prot_sg(cmd, sg, tot_dsds, i) { + for_each_sg(sgl, sg, tot_dsds, i) { dma_addr_t sle_dma; /* Allocate additional continuation packets? */ @@ -1159,10 +1204,17 @@ qla24xx_walk_and_build_prot_sglist(struct qla_hw_data *ha, srb_t *sp, return 1; } - list_add_tail(&dsd_ptr->list, - &((struct crc_context *)sp->ctx)->dsd_list); + if (sp) { + list_add_tail(&dsd_ptr->list, + &((struct crc_context *) + sp->u.scmd.ctx)->dsd_list); - sp->flags |= SRB_CRC_CTX_DSD_VALID; + sp->flags |= SRB_CRC_CTX_DSD_VALID; + } else { + list_add_tail(&dsd_ptr->list, + &(tc->ctx->dsd_list)); + tc->ctx_dsd_alloced = 1; + } /* add new list to cmd iocb or last list */ *cur_dsd++ = cpu_to_le32(LSD(dsd_ptr->dsd_list_dma)); @@ -1171,23 +1223,11 @@ qla24xx_walk_and_build_prot_sglist(struct qla_hw_data *ha, srb_t *sp, cur_dsd = (uint32_t *)next_dsd; } sle_dma = sg_dma_address(sg); - if (scsi_get_prot_op(sp->cmd) == SCSI_PROT_WRITE_PASS) { - ql_dbg(ql_dbg_io, vha, 0x3027, - "%s(): %p, sg_entry %d - " - "addr=0x%x0x%x, len=%d.\n", - __func__, cur_dsd, i, - LSD(sle_dma), MSD(sle_dma), sg_dma_len(sg)); - } + *cur_dsd++ = cpu_to_le32(LSD(sle_dma)); *cur_dsd++ = cpu_to_le32(MSD(sle_dma)); *cur_dsd++ = cpu_to_le32(sg_dma_len(sg)); - if (scsi_get_prot_op(sp->cmd) == SCSI_PROT_WRITE_PASS) { - cp = page_address(sg_page(sg)) + sg->offset; - ql_dbg(ql_dbg_io, vha, 0x3028, - "%s(): Protection Data buffer = %p.\n", __func__, - cp); - } avail_dsds--; } /* Null termination */ @@ -1212,7 +1252,6 @@ qla24xx_build_scsi_crc_2_iocbs(srb_t *sp, struct cmd_type_crc_2 *cmd_pkt, uint32_t *cur_dsd, *fcp_dl; scsi_qla_host_t *vha; struct scsi_cmnd *cmd; - struct scatterlist *cur_seg; int sgc; uint32_t total_bytes = 0; uint32_t data_bytes; @@ -1228,7 +1267,7 @@ qla24xx_build_scsi_crc_2_iocbs(srb_t *sp, struct cmd_type_crc_2 *cmd_pkt, dma_addr_t crc_ctx_dma; char tag[2]; - cmd = sp->cmd; + cmd = GET_CMD_SP(sp); sgc = 0; /* Update entry type to indicate Command Type CRC_2 IOCB */ @@ -1245,7 +1284,7 @@ qla24xx_build_scsi_crc_2_iocbs(srb_t *sp, struct cmd_type_crc_2 *cmd_pkt, return QLA_SUCCESS; } - cmd_pkt->vp_index = sp->fcport->vp_idx; + cmd_pkt->vp_index = sp->fcport->vha->vp_idx; /* Set transfer direction */ if (cmd->sc_data_direction == DMA_TO_DEVICE) { @@ -1256,15 +1295,15 @@ qla24xx_build_scsi_crc_2_iocbs(srb_t *sp, struct cmd_type_crc_2 *cmd_pkt, __constant_cpu_to_le16(CF_READ_DATA); } - if ((scsi_get_prot_op(sp->cmd) == SCSI_PROT_READ_INSERT) || - (scsi_get_prot_op(sp->cmd) == SCSI_PROT_WRITE_STRIP) || - (scsi_get_prot_op(sp->cmd) == SCSI_PROT_READ_STRIP) || - (scsi_get_prot_op(sp->cmd) == SCSI_PROT_WRITE_INSERT)) + if ((scsi_get_prot_op(cmd) == SCSI_PROT_READ_INSERT) || + (scsi_get_prot_op(cmd) == SCSI_PROT_WRITE_STRIP) || + (scsi_get_prot_op(cmd) == SCSI_PROT_READ_STRIP) || + (scsi_get_prot_op(cmd) == SCSI_PROT_WRITE_INSERT)) bundling = 0; /* Allocate CRC context from global pool */ - crc_ctx_pkt = sp->ctx = dma_pool_alloc(ha->dl_dma_pool, - GFP_ATOMIC, &crc_ctx_dma); + crc_ctx_pkt = sp->u.scmd.ctx = + dma_pool_alloc(ha->dl_dma_pool, GFP_ATOMIC, &crc_ctx_dma); if (!crc_ctx_pkt) goto crc_queuing_error; @@ -1310,7 +1349,7 @@ qla24xx_build_scsi_crc_2_iocbs(srb_t *sp, struct cmd_type_crc_2 *cmd_pkt, else if (cmd->sc_data_direction == DMA_FROM_DEVICE) fcp_cmnd->additional_cdb_len |= 2; - int_to_scsilun(sp->cmd->device->lun, &fcp_cmnd->lun); + int_to_scsilun(cmd->device->lun, &fcp_cmnd->lun); memcpy(fcp_cmnd->cdb, cmd->cmnd, cmd->cmd_len); cmd_pkt->fcp_cmnd_dseg_len = cpu_to_le16(fcp_cmnd_len); cmd_pkt->fcp_cmnd_dseg_address[0] = cpu_to_le32( @@ -1331,11 +1370,11 @@ qla24xx_build_scsi_crc_2_iocbs(srb_t *sp, struct cmd_type_crc_2 *cmd_pkt, fcp_cmnd->task_attribute = TSK_ORDERED; break; default: - fcp_cmnd->task_attribute = 0; + fcp_cmnd->task_attribute = TSK_SIMPLE; break; } } else { - fcp_cmnd->task_attribute = 0; + fcp_cmnd->task_attribute = TSK_SIMPLE; } cmd_pkt->fcp_rsp_dseg_len = 0; /* Let response come in status iocb */ @@ -1345,7 +1384,7 @@ qla24xx_build_scsi_crc_2_iocbs(srb_t *sp, struct cmd_type_crc_2 *cmd_pkt, blk_size = cmd->device->sector_size; dif_bytes = (data_bytes / blk_size) * 8; - switch (scsi_get_prot_op(sp->cmd)) { + switch (scsi_get_prot_op(GET_CMD_SP(sp))) { case SCSI_PROT_READ_INSERT: case SCSI_PROT_WRITE_STRIP: total_bytes = data_bytes; @@ -1364,6 +1403,16 @@ qla24xx_build_scsi_crc_2_iocbs(srb_t *sp, struct cmd_type_crc_2 *cmd_pkt, if (!qla2x00_hba_err_chk_enabled(sp)) fw_prot_opts |= 0x10; /* Disable Guard tag checking */ + /* HBA error checking enabled */ + else if (IS_PI_UNINIT_CAPABLE(ha)) { + if ((scsi_get_prot_type(GET_CMD_SP(sp)) == SCSI_PROT_DIF_TYPE1) + || (scsi_get_prot_type(GET_CMD_SP(sp)) == + SCSI_PROT_DIF_TYPE2)) + fw_prot_opts |= BIT_10; + else if (scsi_get_prot_type(GET_CMD_SP(sp)) == + SCSI_PROT_DIF_TYPE3) + fw_prot_opts |= BIT_11; + } if (!bundling) { cur_dsd = (uint32_t *) &crc_ctx_pkt->u.nobundling.data_address; @@ -1401,20 +1450,19 @@ qla24xx_build_scsi_crc_2_iocbs(srb_t *sp, struct cmd_type_crc_2 *cmd_pkt, if (!bundling && tot_prot_dsds) { if (qla24xx_walk_and_build_sglist_no_difb(ha, sp, - cur_dsd, tot_dsds)) + cur_dsd, tot_dsds, NULL)) goto crc_queuing_error; } else if (qla24xx_walk_and_build_sglist(ha, sp, cur_dsd, - (tot_dsds - tot_prot_dsds))) + (tot_dsds - tot_prot_dsds), NULL)) goto crc_queuing_error; if (bundling && tot_prot_dsds) { /* Walks dif segments */ - cur_seg = scsi_prot_sglist(cmd); cmd_pkt->control_flags |= __constant_cpu_to_le16(CF_DIF_SEG_DESCR_ENABLE); cur_dsd = (uint32_t *) &crc_ctx_pkt->u.bundling.dif_address; if (qla24xx_walk_and_build_prot_sglist(ha, sp, cur_dsd, - tot_prot_dsds)) + tot_prot_dsds, NULL)) goto crc_queuing_error; } return QLA_SUCCESS; @@ -1445,7 +1493,7 @@ qla24xx_start_scsi(srb_t *sp) uint16_t tot_dsds; struct req_que *req = NULL; struct rsp_que *rsp = NULL; - struct scsi_cmnd *cmd = sp->cmd; + struct scsi_cmnd *cmd = GET_CMD_SP(sp); struct scsi_qla_host *vha = sp->fcport->vha; struct qla_hw_data *ha = vha->hw; char tag[2]; @@ -1472,16 +1520,15 @@ qla24xx_start_scsi(srb_t *sp) /* Check for room in outstanding command list. */ handle = req->current_outstanding_cmd; - for (index = 1; index < MAX_OUTSTANDING_COMMANDS; index++) { + for (index = 1; index < req->num_outstanding_cmds; index++) { handle++; - if (handle == MAX_OUTSTANDING_COMMANDS) + if (handle == req->num_outstanding_cmds) handle = 1; if (!req->outstanding_cmds[handle]) break; } - if (index == MAX_OUTSTANDING_COMMANDS) { + if (index == req->num_outstanding_cmds) goto queuing_error; - } /* Map the sg table so we have an accurate count of sg entries needed */ if (scsi_sg_count(cmd)) { @@ -1495,22 +1542,22 @@ qla24xx_start_scsi(srb_t *sp) tot_dsds = nseg; req_cnt = qla24xx_calc_iocbs(vha, tot_dsds); if (req->cnt < (req_cnt + 2)) { - cnt = RD_REG_DWORD_RELAXED(req->req_q_out); - + cnt = IS_SHADOW_REG_CAPABLE(ha) ? *req->out_ptr : + RD_REG_DWORD_RELAXED(req->req_q_out); 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; } - if (req->cnt < (req_cnt + 2)) - goto queuing_error; /* 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; + cmd->host_scribble = (unsigned char *)(unsigned long)handle; req->cnt -= req_cnt; cmd_pkt = (struct cmd_type_7 *)req->ring_ptr; @@ -1527,9 +1574,9 @@ qla24xx_start_scsi(srb_t *sp) 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; + cmd_pkt->vp_index = sp->fcport->vha->vp_idx; - int_to_scsilun(sp->cmd->device->lun, &cmd_pkt->lun); + int_to_scsilun(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). */ @@ -1541,7 +1588,12 @@ qla24xx_start_scsi(srb_t *sp) case ORDERED_QUEUE_TAG: cmd_pkt->task = TSK_ORDERED; break; + default: + cmd_pkt->task = TSK_SIMPLE; + break; } + } else { + cmd_pkt->task = TSK_SIMPLE; } /* Load SCSI command packet. */ @@ -1589,7 +1641,6 @@ queuing_error: return QLA_FUNCTION_FAILED; } - /** * qla24xx_dif_start_scsi() - Send a SCSI command to the ISP * @sp: command to send to the ISP @@ -1611,7 +1662,7 @@ qla24xx_dif_start_scsi(srb_t *sp) uint16_t fw_prot_opts = 0; struct req_que *req = NULL; struct rsp_que *rsp = NULL; - struct scsi_cmnd *cmd = sp->cmd; + struct scsi_cmnd *cmd = GET_CMD_SP(sp); struct scsi_qla_host *vha = sp->fcport->vha; struct qla_hw_data *ha = vha->hw; struct cmd_type_crc_2 *cmd_pkt; @@ -1646,15 +1697,15 @@ qla24xx_dif_start_scsi(srb_t *sp) /* Check for room in outstanding command list. */ handle = req->current_outstanding_cmd; - for (index = 1; index < MAX_OUTSTANDING_COMMANDS; index++) { + for (index = 1; index < req->num_outstanding_cmds; index++) { handle++; - if (handle == MAX_OUTSTANDING_COMMANDS) + if (handle == req->num_outstanding_cmds) handle = 1; if (!req->outstanding_cmds[handle]) break; } - if (index == MAX_OUTSTANDING_COMMANDS) + if (index == req->num_outstanding_cmds) goto queuing_error; /* Compute number of required data segments */ @@ -1710,25 +1761,24 @@ qla24xx_dif_start_scsi(srb_t *sp) tot_prot_dsds = nseg; tot_dsds += nseg; if (req->cnt < (req_cnt + 2)) { - cnt = RD_REG_DWORD_RELAXED(req->req_q_out); - + cnt = IS_SHADOW_REG_CAPABLE(ha) ? *req->out_ptr : + RD_REG_DWORD_RELAXED(req->req_q_out); 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; } - if (req->cnt < (req_cnt + 2)) - goto queuing_error; - status |= QDSS_GOT_Q_SPACE; /* Build header part of command packet (excluding the OPCODE). */ req->current_outstanding_cmd = handle; req->outstanding_cmds[handle] = sp; sp->handle = handle; - sp->cmd->host_scribble = (unsigned char *)(unsigned long)handle; + cmd->host_scribble = (unsigned char *)(unsigned long)handle; req->cnt -= req_cnt; /* Fill-in common area */ @@ -1744,7 +1794,7 @@ qla24xx_dif_start_scsi(srb_t *sp) cmd_pkt->port_id[1] = sp->fcport->d_id.b.area; cmd_pkt->port_id[2] = sp->fcport->d_id.b.domain; - int_to_scsilun(sp->cmd->device->lun, &cmd_pkt->lun); + int_to_scsilun(cmd->device->lun, &cmd_pkt->lun); host_to_fcp_swap((uint8_t *)&cmd_pkt->lun, sizeof(cmd_pkt->lun)); /* Total Data and protection segment(s) */ @@ -1797,7 +1847,7 @@ queuing_error: static void qla25xx_set_que(srb_t *sp, struct rsp_que **rsp) { - struct scsi_cmnd *cmd = sp->cmd; + struct scsi_cmnd *cmd = GET_CMD_SP(sp); struct qla_hw_data *ha = sp->fcport->vha->hw; int affinity = cmd->request->cpu; @@ -1818,7 +1868,6 @@ qla2x00_alloc_iocbs(scsi_qla_host_t *vha, srb_t *sp) uint32_t index, handle; request_t *pkt; uint16_t cnt, req_cnt; - struct srb_ctx *ctx; pkt = NULL; req_cnt = 1; @@ -1829,16 +1878,16 @@ qla2x00_alloc_iocbs(scsi_qla_host_t *vha, srb_t *sp) /* Check for room in outstanding command list. */ handle = req->current_outstanding_cmd; - for (index = 1; index < MAX_OUTSTANDING_COMMANDS; index++) { + for (index = 1; index < req->num_outstanding_cmds; index++) { handle++; - if (handle == MAX_OUTSTANDING_COMMANDS) + if (handle == req->num_outstanding_cmds) handle = 1; if (!req->outstanding_cmds[handle]) break; } - if (index == MAX_OUTSTANDING_COMMANDS) { + if (index == req->num_outstanding_cmds) { ql_log(ql_log_warn, vha, 0x700b, - "No room on oustanding cmd array.\n"); + "No room on outstanding cmd array.\n"); goto queuing_error; } @@ -1848,20 +1897,20 @@ qla2x00_alloc_iocbs(scsi_qla_host_t *vha, srb_t *sp) sp->handle = handle; /* Adjust entry-counts as needed. */ - if (sp->ctx) { - ctx = sp->ctx; - req_cnt = ctx->iocbs; - } + if (sp->type != SRB_SCSI_CMD) + req_cnt = sp->iocbs; skip_cmd_array: /* Check for room on request queue. */ if (req->cnt < req_cnt) { - if (ha->mqenable) + if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha)) cnt = RD_REG_DWORD(®->isp25mq.req_q_out); - else if (IS_QLA82XX(ha)) + else if (IS_P3P_TYPE(ha)) cnt = RD_REG_DWORD(®->isp82.req_q_out); else if (IS_FWI2_CAPABLE(ha)) cnt = RD_REG_DWORD(®->isp24.req_q_out); + else if (IS_QLAFX00(ha)) + cnt = RD_REG_DWORD(®->ispfx00.req_q_out); else cnt = qla2x00_debounce_register( ISP_REQ_Q_OUT(ha, ®->isp)); @@ -1879,8 +1928,13 @@ skip_cmd_array: req->cnt -= req_cnt; pkt = req->ring_ptr; memset(pkt, 0, REQUEST_ENTRY_SIZE); - pkt->entry_count = req_cnt; - pkt->handle = handle; + if (IS_QLAFX00(ha)) { + WRT_REG_BYTE((void __iomem *)&pkt->entry_count, req_cnt); + WRT_REG_WORD((void __iomem *)&pkt->handle, handle); + } else { + pkt->entry_count = req_cnt; + pkt->handle = handle; + } queuing_error: return pkt; @@ -1889,8 +1943,7 @@ queuing_error: static void qla24xx_login_iocb(srb_t *sp, struct logio_entry_24xx *logio) { - struct srb_ctx *ctx = sp->ctx; - struct srb_iocb *lio = ctx->u.iocb_cmd; + struct srb_iocb *lio = &sp->u.iocb_cmd; logio->entry_type = LOGINOUT_PORT_IOCB_TYPE; logio->control_flags = cpu_to_le16(LCF_COMMAND_PLOGI); @@ -1902,15 +1955,14 @@ qla24xx_login_iocb(srb_t *sp, struct logio_entry_24xx *logio) logio->port_id[0] = sp->fcport->d_id.b.al_pa; logio->port_id[1] = sp->fcport->d_id.b.area; logio->port_id[2] = sp->fcport->d_id.b.domain; - logio->vp_index = sp->fcport->vp_idx; + logio->vp_index = sp->fcport->vha->vp_idx; } static void qla2x00_login_iocb(srb_t *sp, struct mbx_entry *mbx) { struct qla_hw_data *ha = sp->fcport->vha->hw; - struct srb_ctx *ctx = sp->ctx; - struct srb_iocb *lio = ctx->u.iocb_cmd; + struct srb_iocb *lio = &sp->u.iocb_cmd; uint16_t opts; mbx->entry_type = MBX_IOCB_TYPE; @@ -1927,7 +1979,7 @@ qla2x00_login_iocb(srb_t *sp, struct mbx_entry *mbx) mbx->mb2 = cpu_to_le16(sp->fcport->d_id.b.domain); mbx->mb3 = cpu_to_le16(sp->fcport->d_id.b.area << 8 | sp->fcport->d_id.b.al_pa); - mbx->mb9 = cpu_to_le16(sp->fcport->vp_idx); + mbx->mb9 = cpu_to_le16(sp->fcport->vha->vp_idx); } static void @@ -1940,7 +1992,7 @@ qla24xx_logout_iocb(srb_t *sp, struct logio_entry_24xx *logio) logio->port_id[0] = sp->fcport->d_id.b.al_pa; logio->port_id[1] = sp->fcport->d_id.b.area; logio->port_id[2] = sp->fcport->d_id.b.domain; - logio->vp_index = sp->fcport->vp_idx; + logio->vp_index = sp->fcport->vha->vp_idx; } static void @@ -1957,7 +2009,7 @@ qla2x00_logout_iocb(srb_t *sp, struct mbx_entry *mbx) mbx->mb2 = cpu_to_le16(sp->fcport->d_id.b.domain); mbx->mb3 = cpu_to_le16(sp->fcport->d_id.b.area << 8 | sp->fcport->d_id.b.al_pa); - mbx->mb9 = cpu_to_le16(sp->fcport->vp_idx); + mbx->mb9 = cpu_to_le16(sp->fcport->vha->vp_idx); /* Implicit: mbx->mbx10 = 0. */ } @@ -1967,7 +2019,7 @@ qla24xx_adisc_iocb(srb_t *sp, struct logio_entry_24xx *logio) logio->entry_type = LOGINOUT_PORT_IOCB_TYPE; logio->control_flags = cpu_to_le16(LCF_COMMAND_ADISC); logio->nport_handle = cpu_to_le16(sp->fcport->loop_id); - logio->vp_index = sp->fcport->vp_idx; + logio->vp_index = sp->fcport->vha->vp_idx; } static void @@ -1988,7 +2040,7 @@ qla2x00_adisc_iocb(srb_t *sp, struct mbx_entry *mbx) mbx->mb3 = cpu_to_le16(LSW(ha->async_pd_dma)); mbx->mb6 = cpu_to_le16(MSW(MSD(ha->async_pd_dma))); mbx->mb7 = cpu_to_le16(LSW(MSD(ha->async_pd_dma))); - mbx->mb9 = cpu_to_le16(sp->fcport->vp_idx); + mbx->mb9 = cpu_to_le16(sp->fcport->vha->vp_idx); } static void @@ -1999,8 +2051,7 @@ qla24xx_tm_iocb(srb_t *sp, struct tsk_mgmt_entry *tsk) struct fc_port *fcport = sp->fcport; scsi_qla_host_t *vha = fcport->vha; struct qla_hw_data *ha = vha->hw; - struct srb_ctx *ctx = sp->ctx; - struct srb_iocb *iocb = ctx->u.iocb_cmd; + struct srb_iocb *iocb = &sp->u.iocb_cmd; struct req_que *req = vha->req; flags = iocb->u.tmf.flags; @@ -2015,7 +2066,7 @@ qla24xx_tm_iocb(srb_t *sp, struct tsk_mgmt_entry *tsk) tsk->port_id[0] = fcport->d_id.b.al_pa; tsk->port_id[1] = fcport->d_id.b.area; tsk->port_id[2] = fcport->d_id.b.domain; - tsk->vp_index = fcport->vp_idx; + tsk->vp_index = fcport->vha->vp_idx; if (flags == TCF_LUN_RESET) { int_to_scsilun(lun, &tsk->lun); @@ -2027,7 +2078,7 @@ qla24xx_tm_iocb(srb_t *sp, struct tsk_mgmt_entry *tsk) static void qla24xx_els_iocb(srb_t *sp, struct els_entry_24xx *els_iocb) { - struct fc_bsg_job *bsg_job = ((struct srb_ctx *)sp->ctx)->u.bsg_job; + struct fc_bsg_job *bsg_job = sp->u.bsg_job; els_iocb->entry_type = ELS_IOCB_TYPE; els_iocb->entry_count = 1; @@ -2036,12 +2087,12 @@ qla24xx_els_iocb(srb_t *sp, struct els_entry_24xx *els_iocb) els_iocb->handle = sp->handle; els_iocb->nport_handle = cpu_to_le16(sp->fcport->loop_id); els_iocb->tx_dsd_count = __constant_cpu_to_le16(bsg_job->request_payload.sg_cnt); - els_iocb->vp_index = sp->fcport->vp_idx; + els_iocb->vp_index = sp->fcport->vha->vp_idx; els_iocb->sof_type = EST_SOFI3; els_iocb->rx_dsd_count = __constant_cpu_to_le16(bsg_job->reply_payload.sg_cnt); els_iocb->opcode = - (((struct srb_ctx *)sp->ctx)->type == SRB_ELS_CMD_RPT) ? + sp->type == SRB_ELS_CMD_RPT ? bsg_job->request->rqst_data.r_els.els_code : bsg_job->request->rqst_data.h_els.command_code; els_iocb->port_id[0] = sp->fcport->d_id.b.al_pa; @@ -2066,6 +2117,8 @@ qla24xx_els_iocb(srb_t *sp, struct els_entry_24xx *els_iocb) (bsg_job->reply_payload.sg_list))); els_iocb->rx_len = cpu_to_le32(sg_dma_len (bsg_job->reply_payload.sg_list)); + + sp->fcport->vha->qla_stats.control_requests++; } static void @@ -2078,7 +2131,7 @@ qla2x00_ct_iocb(srb_t *sp, ms_iocb_entry_t *ct_iocb) uint16_t tot_dsds; scsi_qla_host_t *vha = sp->fcport->vha; struct qla_hw_data *ha = vha->hw; - struct fc_bsg_job *bsg_job = ((struct srb_ctx *)sp->ctx)->u.bsg_job; + struct fc_bsg_job *bsg_job = sp->u.bsg_job; int loop_iterartion = 0; int cont_iocb_prsnt = 0; int entry_count = 1; @@ -2143,6 +2196,8 @@ qla2x00_ct_iocb(srb_t *sp, ms_iocb_entry_t *ct_iocb) avail_dsds--; } ct_iocb->entry_count = entry_count; + + sp->fcport->vha->qla_stats.control_requests++; } static void @@ -2155,7 +2210,7 @@ qla24xx_ct_iocb(srb_t *sp, struct ct_entry_24xx *ct_iocb) uint16_t tot_dsds; scsi_qla_host_t *vha = sp->fcport->vha; struct qla_hw_data *ha = vha->hw; - struct fc_bsg_job *bsg_job = ((struct srb_ctx *)sp->ctx)->u.bsg_job; + struct fc_bsg_job *bsg_job = sp->u.bsg_job; int loop_iterartion = 0; int cont_iocb_prsnt = 0; int entry_count = 1; @@ -2166,7 +2221,7 @@ qla24xx_ct_iocb(srb_t *sp, struct ct_entry_24xx *ct_iocb) ct_iocb->handle = sp->handle; ct_iocb->nport_handle = cpu_to_le16(sp->fcport->loop_id); - ct_iocb->vp_index = sp->fcport->vp_idx; + ct_iocb->vp_index = sp->fcport->vha->vp_idx; ct_iocb->comp_status = __constant_cpu_to_le16(0); ct_iocb->cmd_dsd_count = @@ -2245,12 +2300,12 @@ qla82xx_start_scsi(srb_t *sp) struct qla_hw_data *ha = vha->hw; struct req_que *req = NULL; struct rsp_que *rsp = NULL; - char tag[2]; + char tag[2]; /* Setup device pointers. */ ret = 0; reg = &ha->iobase->isp82; - cmd = sp->cmd; + cmd = GET_CMD_SP(sp); req = vha->req; rsp = ha->rsp_q_map[0]; @@ -2275,14 +2330,14 @@ qla82xx_start_scsi(srb_t *sp) /* Check for room in outstanding command list. */ handle = req->current_outstanding_cmd; - for (index = 1; index < MAX_OUTSTANDING_COMMANDS; index++) { + for (index = 1; index < req->num_outstanding_cmds; index++) { handle++; - if (handle == MAX_OUTSTANDING_COMMANDS) + if (handle == req->num_outstanding_cmds) handle = 1; if (!req->outstanding_cmds[handle]) break; } - if (index == MAX_OUTSTANDING_COMMANDS) + if (index == req->num_outstanding_cmds) goto queuing_error; /* Map the sg table so we have an accurate count of sg entries needed */ @@ -2349,24 +2404,25 @@ sufficient_dsds: else req->cnt = req->length - (req->ring_index - cnt); + if (req->cnt < (req_cnt + 2)) + goto queuing_error; } - if (req->cnt < (req_cnt + 2)) - goto queuing_error; - - ctx = sp->ctx = mempool_alloc(ha->ctx_mempool, GFP_ATOMIC); - if (!sp->ctx) { + ctx = sp->u.scmd.ctx = + mempool_alloc(ha->ctx_mempool, GFP_ATOMIC); + if (!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; + goto queuing_error; } /* Initialize the DSD list and dma handle */ @@ -2404,18 +2460,18 @@ sufficient_dsds: 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; + cmd_pkt->vp_index = sp->fcport->vha->vp_idx; /* Build IOCB segments */ if (qla24xx_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); + int_to_scsilun(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); + int_to_scsilun(cmd->device->lun, &ctx->fcp_cmnd->lun); ctx->fcp_cmnd->additional_cdb_len = additional_cdb_len; if (cmd->sc_data_direction == DMA_TO_DEVICE) @@ -2493,11 +2549,11 @@ sufficient_dsds: 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; + cmd_pkt->vp_index = sp->fcport->vha->vp_idx; - int_to_scsilun(sp->cmd->device->lun, &cmd_pkt->lun); + int_to_scsilun(cmd->device->lun, &cmd_pkt->lun); host_to_fcp_swap((uint8_t *)&cmd_pkt->lun, - sizeof(cmd_pkt->lun)); + sizeof(cmd_pkt->lun)); /* * Update tagged queuing modifier -- default is TSK_SIMPLE (0). @@ -2538,7 +2594,7 @@ sufficient_dsds: req->current_outstanding_cmd = handle; req->outstanding_cmds[handle] = sp; sp->handle = handle; - sp->cmd->host_scribble = (unsigned char *)(unsigned long)handle; + cmd->host_scribble = (unsigned char *)(unsigned long)handle; req->cnt -= req_cnt; wmb(); @@ -2562,7 +2618,7 @@ sufficient_dsds: (unsigned long __iomem *)ha->nxdb_wr_ptr, dbval); wmb(); - while (RD_REG_DWORD(ha->nxdb_rd_ptr) != dbval) { + while (RD_REG_DWORD((void __iomem *)ha->nxdb_rd_ptr) != dbval) { WRT_REG_DWORD( (unsigned long __iomem *)ha->nxdb_wr_ptr, dbval); @@ -2584,22 +2640,44 @@ queuing_error: if (tot_dsds) scsi_dma_unmap(cmd); - if (sp->ctx) { - mempool_free(sp->ctx, ha->ctx_mempool); - sp->ctx = NULL; + if (sp->u.scmd.ctx) { + mempool_free(sp->u.scmd.ctx, ha->ctx_mempool); + sp->u.scmd.ctx = NULL; } spin_unlock_irqrestore(&ha->hardware_lock, flags); return QLA_FUNCTION_FAILED; } +void +qla24xx_abort_iocb(srb_t *sp, struct abort_entry_24xx *abt_iocb) +{ + struct srb_iocb *aio = &sp->u.iocb_cmd; + scsi_qla_host_t *vha = sp->fcport->vha; + struct req_que *req = vha->req; + + memset(abt_iocb, 0, sizeof(struct abort_entry_24xx)); + abt_iocb->entry_type = ABORT_IOCB_TYPE; + abt_iocb->entry_count = 1; + abt_iocb->handle = cpu_to_le32(MAKE_HANDLE(req->id, sp->handle)); + abt_iocb->nport_handle = cpu_to_le16(sp->fcport->loop_id); + abt_iocb->handle_to_abort = + cpu_to_le32(MAKE_HANDLE(req->id, aio->u.abt.cmd_hndl)); + abt_iocb->port_id[0] = sp->fcport->d_id.b.al_pa; + abt_iocb->port_id[1] = sp->fcport->d_id.b.area; + abt_iocb->port_id[2] = sp->fcport->d_id.b.domain; + abt_iocb->vp_index = vha->vp_idx; + abt_iocb->req_que_no = cpu_to_le16(req->id); + /* Send the command to the firmware */ + wmb(); +} + int qla2x00_start_sp(srb_t *sp) { int rval; struct qla_hw_data *ha = sp->fcport->vha->hw; void *pkt; - struct srb_ctx *ctx = sp->ctx; unsigned long flags; rval = QLA_FUNCTION_FAILED; @@ -2612,7 +2690,7 @@ qla2x00_start_sp(srb_t *sp) } rval = QLA_SUCCESS; - switch (ctx->type) { + switch (sp->type) { case SRB_LOGIN_CMD: IS_FWI2_CAPABLE(ha) ? qla24xx_login_iocb(sp, pkt) : @@ -2638,7 +2716,18 @@ qla2x00_start_sp(srb_t *sp) qla2x00_adisc_iocb(sp, pkt); break; case SRB_TM_CMD: - qla24xx_tm_iocb(sp, pkt); + IS_QLAFX00(ha) ? + qlafx00_tm_iocb(sp, pkt) : + qla24xx_tm_iocb(sp, pkt); + break; + case SRB_FXIOCB_DCMD: + case SRB_FXIOCB_BCMD: + qlafx00_fxdisc_iocb(sp, pkt); + break; + case SRB_ABT_CMD: + IS_QLAFX00(ha) ? + qlafx00_abort_iocb(sp, pkt) : + qla24xx_abort_iocb(sp, pkt); break; default: break; @@ -2650,3 +2739,195 @@ done: spin_unlock_irqrestore(&ha->hardware_lock, flags); return rval; } + +static void +qla25xx_build_bidir_iocb(srb_t *sp, struct scsi_qla_host *vha, + struct cmd_bidir *cmd_pkt, uint32_t tot_dsds) +{ + uint16_t avail_dsds; + uint32_t *cur_dsd; + uint32_t req_data_len = 0; + uint32_t rsp_data_len = 0; + struct scatterlist *sg; + int index; + int entry_count = 1; + struct fc_bsg_job *bsg_job = sp->u.bsg_job; + + /*Update entry type to indicate bidir command */ + *((uint32_t *)(&cmd_pkt->entry_type)) = + __constant_cpu_to_le32(COMMAND_BIDIRECTIONAL); + + /* Set the transfer direction, in this set both flags + * Also set the BD_WRAP_BACK flag, firmware will take care + * assigning DID=SID for outgoing pkts. + */ + cmd_pkt->wr_dseg_count = cpu_to_le16(bsg_job->request_payload.sg_cnt); + cmd_pkt->rd_dseg_count = cpu_to_le16(bsg_job->reply_payload.sg_cnt); + cmd_pkt->control_flags = + __constant_cpu_to_le16(BD_WRITE_DATA | BD_READ_DATA | + BD_WRAP_BACK); + + req_data_len = rsp_data_len = bsg_job->request_payload.payload_len; + cmd_pkt->wr_byte_count = cpu_to_le32(req_data_len); + cmd_pkt->rd_byte_count = cpu_to_le32(rsp_data_len); + cmd_pkt->timeout = cpu_to_le16(qla2x00_get_async_timeout(vha) + 2); + + vha->bidi_stats.transfer_bytes += req_data_len; + vha->bidi_stats.io_count++; + + vha->qla_stats.output_bytes += req_data_len; + vha->qla_stats.output_requests++; + + /* Only one dsd is available for bidirectional IOCB, remaining dsds + * are bundled in continuation iocb + */ + avail_dsds = 1; + cur_dsd = (uint32_t *)&cmd_pkt->fcp_data_dseg_address; + + index = 0; + + for_each_sg(bsg_job->request_payload.sg_list, sg, + bsg_job->request_payload.sg_cnt, index) { + dma_addr_t sle_dma; + cont_a64_entry_t *cont_pkt; + + /* Allocate additional continuation packets */ + if (avail_dsds == 0) { + /* Continuation type 1 IOCB can accomodate + * 5 DSDS + */ + cont_pkt = qla2x00_prep_cont_type1_iocb(vha, vha->req); + cur_dsd = (uint32_t *) cont_pkt->dseg_0_address; + avail_dsds = 5; + entry_count++; + } + sle_dma = sg_dma_address(sg); + *cur_dsd++ = cpu_to_le32(LSD(sle_dma)); + *cur_dsd++ = cpu_to_le32(MSD(sle_dma)); + *cur_dsd++ = cpu_to_le32(sg_dma_len(sg)); + avail_dsds--; + } + /* For read request DSD will always goes to continuation IOCB + * and follow the write DSD. If there is room on the current IOCB + * then it is added to that IOCB else new continuation IOCB is + * allocated. + */ + for_each_sg(bsg_job->reply_payload.sg_list, sg, + bsg_job->reply_payload.sg_cnt, index) { + dma_addr_t sle_dma; + cont_a64_entry_t *cont_pkt; + + /* Allocate additional continuation packets */ + if (avail_dsds == 0) { + /* Continuation type 1 IOCB can accomodate + * 5 DSDS + */ + cont_pkt = qla2x00_prep_cont_type1_iocb(vha, vha->req); + cur_dsd = (uint32_t *) cont_pkt->dseg_0_address; + avail_dsds = 5; + entry_count++; + } + sle_dma = sg_dma_address(sg); + *cur_dsd++ = cpu_to_le32(LSD(sle_dma)); + *cur_dsd++ = cpu_to_le32(MSD(sle_dma)); + *cur_dsd++ = cpu_to_le32(sg_dma_len(sg)); + avail_dsds--; + } + /* This value should be same as number of IOCB required for this cmd */ + cmd_pkt->entry_count = entry_count; +} + +int +qla2x00_start_bidir(srb_t *sp, struct scsi_qla_host *vha, uint32_t tot_dsds) +{ + + struct qla_hw_data *ha = vha->hw; + unsigned long flags; + uint32_t handle; + uint32_t index; + uint16_t req_cnt; + uint16_t cnt; + uint32_t *clr_ptr; + struct cmd_bidir *cmd_pkt = NULL; + struct rsp_que *rsp; + struct req_que *req; + int rval = EXT_STATUS_OK; + + rval = QLA_SUCCESS; + + rsp = ha->rsp_q_map[0]; + req = vha->req; + + /* Send marker if required */ + if (vha->marker_needed != 0) { + if (qla2x00_marker(vha, req, + rsp, 0, 0, MK_SYNC_ALL) != QLA_SUCCESS) + return EXT_STATUS_MAILBOX; + 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 < req->num_outstanding_cmds; index++) { + handle++; + if (handle == req->num_outstanding_cmds) + handle = 1; + if (!req->outstanding_cmds[handle]) + break; + } + + if (index == req->num_outstanding_cmds) { + rval = EXT_STATUS_BUSY; + goto queuing_error; + } + + /* Calculate number of IOCB required */ + req_cnt = qla24xx_calc_iocbs(vha, tot_dsds); + + /* Check for room on request queue. */ + if (req->cnt < req_cnt + 2) { + cnt = IS_SHADOW_REG_CAPABLE(ha) ? *req->out_ptr : + RD_REG_DWORD_RELAXED(req->req_q_out); + 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) { + rval = EXT_STATUS_BUSY; + goto queuing_error; + } + + cmd_pkt = (struct cmd_bidir *)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); + + /* Set NPORT-ID (of vha)*/ + cmd_pkt->nport_handle = cpu_to_le16(vha->self_login_loop_id); + cmd_pkt->port_id[0] = vha->d_id.b.al_pa; + cmd_pkt->port_id[1] = vha->d_id.b.area; + cmd_pkt->port_id[2] = vha->d_id.b.domain; + + qla25xx_build_bidir_iocb(sp, vha, cmd_pkt, tot_dsds); + cmd_pkt->entry_status = (uint8_t) rsp->id; + /* Build command packet. */ + req->current_outstanding_cmd = handle; + req->outstanding_cmds[handle] = sp; + sp->handle = handle; + req->cnt -= req_cnt; + + /* Send the command to the firmware */ + wmb(); + qla2x00_start_iocbs(vha, req); +queuing_error: + spin_unlock_irqrestore(&ha->hardware_lock, flags); + return rval; +} |
