]> bbs.cooldavid.org Git - net-next-2.6.git/blobdiff - drivers/scsi/qla2xxx/qla_iocb.c
[SCSI] qla2xxx: Code changes for qla data structure refactoring
[net-next-2.6.git] / drivers / scsi / qla2xxx / qla_iocb.c
index 85bc0a48598b846adf7a9bb6406a60e6a17d6bb5..0c145c9e0cd9b0382290729a0a64b3dd958cdfec 100644 (file)
@@ -11,8 +11,8 @@
 
 #include <scsi/scsi_tcq.h>
 
-static request_t *qla2x00_req_pkt(scsi_qla_host_t *ha);
-static void qla2x00_isp_cmd(scsi_qla_host_t *ha);
+static request_t *qla2x00_req_pkt(scsi_qla_host_t *);
+static void qla2x00_isp_cmd(scsi_qla_host_t *);
 
 /**
  * qla2x00_get_cmd_direction() - Determine control_flag data direction.
@@ -30,11 +30,11 @@ qla2x00_get_cmd_direction(srb_t *sp)
        /* Set transfer direction */
        if (sp->cmd->sc_data_direction == DMA_TO_DEVICE) {
                cflags = CF_WRITE;
-               sp->fcport->ha->qla_stats.output_bytes +=
+               sp->fcport->vha->hw->qla_stats.output_bytes +=
                    scsi_bufflen(sp->cmd);
        } else if (sp->cmd->sc_data_direction == DMA_FROM_DEVICE) {
                cflags = CF_READ;
-               sp->fcport->ha->qla_stats.input_bytes +=
+               sp->fcport->vha->hw->qla_stats.input_bytes +=
                    scsi_bufflen(sp->cmd);
        }
        return (cflags);
@@ -91,20 +91,20 @@ qla2x00_calc_iocbs_64(uint16_t dsds)
  * Returns a pointer to the Continuation Type 0 IOCB packet.
  */
 static inline cont_entry_t *
-qla2x00_prep_cont_type0_iocb(scsi_qla_host_t *ha)
+qla2x00_prep_cont_type0_iocb(scsi_qla_host_t *vha)
 {
        cont_entry_t *cont_pkt;
-
+       struct req_que *req = vha->hw->req;
        /* Adjust ring index. */
-       ha->req_ring_index++;
-       if (ha->req_ring_index == ha->request_q_length) {
-               ha->req_ring_index = 0;
-               ha->request_ring_ptr = ha->request_ring;
+       req->ring_index++;
+       if (req->ring_index == req->length) {
+               req->ring_index = 0;
+               req->ring_ptr = req->ring;
        } else {
-               ha->request_ring_ptr++;
+               req->ring_ptr++;
        }
 
-       cont_pkt = (cont_entry_t *)ha->request_ring_ptr;
+       cont_pkt = (cont_entry_t *)req->ring_ptr;
 
        /* Load packet defaults. */
        *((uint32_t *)(&cont_pkt->entry_type)) =
@@ -120,20 +120,21 @@ qla2x00_prep_cont_type0_iocb(scsi_qla_host_t *ha)
  * Returns a pointer to the continuation type 1 IOCB packet.
  */
 static inline cont_a64_entry_t *
-qla2x00_prep_cont_type1_iocb(scsi_qla_host_t *ha)
+qla2x00_prep_cont_type1_iocb(scsi_qla_host_t *vha)
 {
        cont_a64_entry_t *cont_pkt;
+       struct req_que *req = vha->hw->req;
 
        /* Adjust ring index. */
-       ha->req_ring_index++;
-       if (ha->req_ring_index == ha->request_q_length) {
-               ha->req_ring_index = 0;
-               ha->request_ring_ptr = ha->request_ring;
+       req->ring_index++;
+       if (req->ring_index == req->length) {
+               req->ring_index = 0;
+               req->ring_ptr = req->ring;
        } else {
-               ha->request_ring_ptr++;
+               req->ring_ptr++;
        }
 
-       cont_pkt = (cont_a64_entry_t *)ha->request_ring_ptr;
+       cont_pkt = (cont_a64_entry_t *)req->ring_ptr;
 
        /* Load packet defaults. */
        *((uint32_t *)(&cont_pkt->entry_type)) =
@@ -155,7 +156,7 @@ void qla2x00_build_scsi_iocbs_32(srb_t *sp, cmd_entry_t *cmd_pkt,
 {
        uint16_t        avail_dsds;
        uint32_t        *cur_dsd;
-       scsi_qla_host_t *ha;
+       scsi_qla_host_t *vha;
        struct scsi_cmnd *cmd;
        struct scatterlist *sg;
        int i;
@@ -172,7 +173,7 @@ void qla2x00_build_scsi_iocbs_32(srb_t *sp, cmd_entry_t *cmd_pkt,
                return;
        }
 
-       ha = sp->ha;
+       vha = sp->vha;
 
        cmd_pkt->control_flags |= cpu_to_le16(qla2x00_get_cmd_direction(sp));
 
@@ -190,7 +191,7 @@ void qla2x00_build_scsi_iocbs_32(srb_t *sp, cmd_entry_t *cmd_pkt,
                         * Seven DSDs are available in the Continuation
                         * Type 0 IOCB.
                         */
-                       cont_pkt = qla2x00_prep_cont_type0_iocb(ha);
+                       cont_pkt = qla2x00_prep_cont_type0_iocb(vha);
                        cur_dsd = (uint32_t *)&cont_pkt->dseg_0_address;
                        avail_dsds = 7;
                }
@@ -214,7 +215,7 @@ void qla2x00_build_scsi_iocbs_64(srb_t *sp, cmd_entry_t *cmd_pkt,
 {
        uint16_t        avail_dsds;
        uint32_t        *cur_dsd;
-       scsi_qla_host_t *ha;
+       scsi_qla_host_t *vha;
        struct scsi_cmnd *cmd;
        struct scatterlist *sg;
        int i;
@@ -231,7 +232,7 @@ void qla2x00_build_scsi_iocbs_64(srb_t *sp, cmd_entry_t *cmd_pkt,
                return;
        }
 
-       ha = sp->ha;
+       vha = sp->vha;
 
        cmd_pkt->control_flags |= cpu_to_le16(qla2x00_get_cmd_direction(sp));
 
@@ -250,7 +251,7 @@ void qla2x00_build_scsi_iocbs_64(srb_t *sp, cmd_entry_t *cmd_pkt,
                         * Five DSDs are available in the Continuation
                         * Type 1 IOCB.
                         */
-                       cont_pkt = qla2x00_prep_cont_type1_iocb(ha);
+                       cont_pkt = qla2x00_prep_cont_type1_iocb(vha);
                        cur_dsd = (uint32_t *)cont_pkt->dseg_0_address;
                        avail_dsds = 5;
                }
@@ -274,7 +275,7 @@ qla2x00_start_scsi(srb_t *sp)
 {
        int             ret, nseg;
        unsigned long   flags;
-       scsi_qla_host_t *ha;
+       scsi_qla_host_t *vha;
        struct scsi_cmnd *cmd;
        uint32_t        *clr_ptr;
        uint32_t        index;
@@ -284,33 +285,36 @@ qla2x00_start_scsi(srb_t *sp)
        uint16_t        req_cnt;
        uint16_t        tot_dsds;
        struct device_reg_2xxx __iomem *reg;
+       struct qla_hw_data *ha;
+       struct req_que *req;
 
        /* Setup device pointers. */
        ret = 0;
-       ha = sp->ha;
+       vha = sp->vha;
+       ha = vha->hw;
        reg = &ha->iobase->isp;
        cmd = sp->cmd;
+       req = ha->req;
        /* So we know we haven't pci_map'ed anything yet */
        tot_dsds = 0;
 
        /* Send marker if required */
-       if (ha->marker_needed != 0) {
-               if (qla2x00_marker(ha, 0, 0, MK_SYNC_ALL) != QLA_SUCCESS) {
+       if (vha->marker_needed != 0) {
+               if (qla2x00_marker(vha, 0, 0, MK_SYNC_ALL) != QLA_SUCCESS)
                        return (QLA_FUNCTION_FAILED);
-               }
-               ha->marker_needed = 0;
+               vha->marker_needed = 0;
        }
 
        /* Acquire ring specific lock */
        spin_lock_irqsave(&ha->hardware_lock, flags);
 
        /* Check for room in outstanding command list. */
-       handle = ha->current_outstanding_cmd;
+       handle = req->current_outstanding_cmd;
        for (index = 1; index < MAX_OUTSTANDING_COMMANDS; index++) {
                handle++;
                if (handle == MAX_OUTSTANDING_COMMANDS)
                        handle = 1;
-               if (!ha->outstanding_cmds[handle])
+               if (!req->outstanding_cmds[handle])
                        break;
        }
        if (index == MAX_OUTSTANDING_COMMANDS)
@@ -329,25 +333,25 @@ qla2x00_start_scsi(srb_t *sp)
 
        /* Calculate the number of request entries needed. */
        req_cnt = ha->isp_ops->calc_req_entries(tot_dsds);
-       if (ha->req_q_cnt < (req_cnt + 2)) {
+       if (req->cnt < (req_cnt + 2)) {
                cnt = RD_REG_WORD_RELAXED(ISP_REQ_Q_OUT(ha, reg));
-               if (ha->req_ring_index < cnt)
-                       ha->req_q_cnt = cnt - ha->req_ring_index;
+               if (req->ring_index < cnt)
+                       req->cnt = cnt - req->ring_index;
                else
-                       ha->req_q_cnt = ha->request_q_length -
-                           (ha->req_ring_index - cnt);
+                       req->cnt = req->length -
+                           (req->ring_index - cnt);
        }
-       if (ha->req_q_cnt < (req_cnt + 2))
+       if (req->cnt < (req_cnt + 2))
                goto queuing_error;
 
        /* Build command packet */
-       ha->current_outstanding_cmd = handle;
-       ha->outstanding_cmds[handle] = sp;
-       sp->ha = ha;
+       req->current_outstanding_cmd = handle;
+       req->outstanding_cmds[handle] = sp;
+       sp->vha = vha;
        sp->cmd->host_scribble = (unsigned char *)(unsigned long)handle;
-       ha->req_q_cnt -= req_cnt;
+       req->cnt -= req_cnt;
 
-       cmd_pkt = (cmd_entry_t *)ha->request_ring_ptr;
+       cmd_pkt = (cmd_entry_t *)req->ring_ptr;
        cmd_pkt->handle = handle;
        /* Zero out remaining portion of packet. */
        clr_ptr = (uint32_t *)cmd_pkt + 2;
@@ -373,23 +377,23 @@ qla2x00_start_scsi(srb_t *sp)
        wmb();
 
        /* Adjust ring index. */
-       ha->req_ring_index++;
-       if (ha->req_ring_index == ha->request_q_length) {
-               ha->req_ring_index = 0;
-               ha->request_ring_ptr = ha->request_ring;
+       req->ring_index++;
+       if (req->ring_index == req->length) {
+               req->ring_index = 0;
+               req->ring_ptr = req->ring;
        } else
-               ha->request_ring_ptr++;
+               req->ring_ptr++;
 
        sp->flags |= SRB_DMA_VALID;
 
        /* Set chip new ring index. */
-       WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), ha->req_ring_index);
+       WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), req->ring_index);
        RD_REG_WORD_RELAXED(ISP_REQ_Q_IN(ha, reg));     /* PCI Posting. */
 
        /* Manage unprocessed RIO/ZIO commands in response queue. */
-       if (ha->flags.process_response_queue &&
-           ha->response_ring_ptr->signature != RESPONSE_PROCESSED)
-               qla2x00_process_response_queue(ha);
+       if (vha->flags.process_response_queue &&
+           ha->rsp->ring_ptr->signature != RESPONSE_PROCESSED)
+               qla2x00_process_response_queue(vha);
 
        spin_unlock_irqrestore(&ha->hardware_lock, flags);
        return (QLA_SUCCESS);
@@ -415,18 +419,19 @@ queuing_error:
  * Returns non-zero if a failure occurred, else zero.
  */
 int
-__qla2x00_marker(scsi_qla_host_t *ha, uint16_t loop_id, uint16_t lun,
+__qla2x00_marker(scsi_qla_host_t *vha, uint16_t loop_id, uint16_t lun,
     uint8_t type)
 {
        mrk_entry_t *mrk;
        struct mrk_entry_24xx *mrk24;
-       scsi_qla_host_t *pha = to_qla_parent(ha);
+       struct qla_hw_data *ha = vha->hw;
+       scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
 
        mrk24 = NULL;
-       mrk = (mrk_entry_t *)qla2x00_req_pkt(pha);
+       mrk = (mrk_entry_t *)qla2x00_req_pkt(base_vha);
        if (mrk == NULL) {
                DEBUG2_3(printk("%s(%ld): failed to allocate Marker IOCB.\n",
-                   __func__, ha->host_no));
+                   __func__, base_vha->host_no));
 
                return (QLA_FUNCTION_FAILED);
        }
@@ -440,7 +445,7 @@ __qla2x00_marker(scsi_qla_host_t *ha, uint16_t loop_id, uint16_t lun,
                        mrk24->lun[1] = LSB(lun);
                        mrk24->lun[2] = MSB(lun);
                        host_to_fcp_swap(mrk24->lun, sizeof(mrk24->lun));
-                       mrk24->vp_index = ha->vp_idx;
+                       mrk24->vp_index = vha->vp_idx;
                } else {
                        SET_TARGET_ID(ha, mrk->target, loop_id);
                        mrk->lun = cpu_to_le16(lun);
@@ -448,22 +453,22 @@ __qla2x00_marker(scsi_qla_host_t *ha, uint16_t loop_id, uint16_t lun,
        }
        wmb();
 
-       qla2x00_isp_cmd(pha);
+       qla2x00_isp_cmd(base_vha);
 
        return (QLA_SUCCESS);
 }
 
 int
-qla2x00_marker(scsi_qla_host_t *ha, uint16_t loop_id, uint16_t lun,
+qla2x00_marker(scsi_qla_host_t *vha, uint16_t loop_id, uint16_t lun,
     uint8_t type)
 {
        int ret;
        unsigned long flags = 0;
-       scsi_qla_host_t *pha = to_qla_parent(ha);
+       struct qla_hw_data *ha = vha->hw;
 
-       spin_lock_irqsave(&pha->hardware_lock, flags);
-       ret = __qla2x00_marker(ha, loop_id, lun, type);
-       spin_unlock_irqrestore(&pha->hardware_lock, flags);
+       spin_lock_irqsave(&ha->hardware_lock, flags);
+       ret = __qla2x00_marker(vha, loop_id, lun, type);
+       spin_unlock_irqrestore(&ha->hardware_lock, flags);
 
        return (ret);
 }
@@ -477,18 +482,20 @@ qla2x00_marker(scsi_qla_host_t *ha, uint16_t loop_id, uint16_t lun,
  * Returns NULL if function failed, else, a pointer to the request packet.
  */
 static request_t *
-qla2x00_req_pkt(scsi_qla_host_t *ha)
+qla2x00_req_pkt(scsi_qla_host_t *vha)
 {
+       struct qla_hw_data *ha = vha->hw;
        device_reg_t __iomem *reg = ha->iobase;
        request_t       *pkt = NULL;
        uint16_t        cnt;
        uint32_t        *dword_ptr;
        uint32_t        timer;
        uint16_t        req_cnt = 1;
+       struct req_que *req = ha->req;
 
        /* Wait 1 second for slot. */
        for (timer = HZ; timer; timer--) {
-               if ((req_cnt + 2) >= ha->req_q_cnt) {
+               if ((req_cnt + 2) >= req->cnt) {
                        /* Calculate number of free request entries. */
                        if (IS_FWI2_CAPABLE(ha))
                                cnt = (uint16_t)RD_REG_DWORD(
@@ -496,16 +503,16 @@ qla2x00_req_pkt(scsi_qla_host_t *ha)
                        else
                                cnt = qla2x00_debounce_register(
                                    ISP_REQ_Q_OUT(ha, &reg->isp));
-                       if  (ha->req_ring_index < cnt)
-                               ha->req_q_cnt = cnt - ha->req_ring_index;
+                       if  (req->ring_index < cnt)
+                               req->cnt = cnt - req->ring_index;
                        else
-                               ha->req_q_cnt = ha->request_q_length -
-                                   (ha->req_ring_index - cnt);
+                               req->cnt = req->length -
+                                   (req->ring_index - cnt);
                }
                /* If room for request in request ring. */
-               if ((req_cnt + 2) < ha->req_q_cnt) {
-                       ha->req_q_cnt--;
-                       pkt = ha->request_ring_ptr;
+               if ((req_cnt + 2) < req->cnt) {
+                       req->cnt--;
+                       pkt = req->ring_ptr;
 
                        /* Zero out packet. */
                        dword_ptr = (uint32_t *)pkt;
@@ -513,7 +520,7 @@ qla2x00_req_pkt(scsi_qla_host_t *ha)
                                *dword_ptr++ = 0;
 
                        /* Set system defined field. */
-                       pkt->sys_define = (uint8_t)ha->req_ring_index;
+                       pkt->sys_define = (uint8_t)req->ring_index;
 
                        /* Set entry count. */
                        pkt->entry_count = 1;
@@ -522,15 +529,14 @@ qla2x00_req_pkt(scsi_qla_host_t *ha)
                }
 
                /* Release ring specific lock */
-               spin_unlock(&ha->hardware_lock);
+               spin_unlock_irq(&ha->hardware_lock);
 
                udelay(2);   /* 2 us */
 
                /* Check for pending interrupts. */
                /* During init we issue marker directly */
-               if (!ha->marker_needed && !ha->flags.init_done)
-                       qla2x00_poll(ha);
-
+               if (!vha->marker_needed && !vha->flags.init_done)
+                       qla2x00_poll(ha->rsp);
                spin_lock_irq(&ha->hardware_lock);
        }
        if (!pkt) {
@@ -547,28 +553,30 @@ qla2x00_req_pkt(scsi_qla_host_t *ha)
  * Note: The caller must hold the hardware lock before calling this routine.
  */
 static void
-qla2x00_isp_cmd(scsi_qla_host_t *ha)
+qla2x00_isp_cmd(scsi_qla_host_t *vha)
 {
+       struct qla_hw_data *ha = vha->hw;
        device_reg_t __iomem *reg = ha->iobase;
+       struct req_que *req = ha->req;
 
        DEBUG5(printk("%s(): IOCB data:\n", __func__));
        DEBUG5(qla2x00_dump_buffer(
-           (uint8_t *)ha->request_ring_ptr, REQUEST_ENTRY_SIZE));
+           (uint8_t *)req->ring_ptr, REQUEST_ENTRY_SIZE));
 
        /* Adjust ring index. */
-       ha->req_ring_index++;
-       if (ha->req_ring_index == ha->request_q_length) {
-               ha->req_ring_index = 0;
-               ha->request_ring_ptr = ha->request_ring;
+       req->ring_index++;
+       if (req->ring_index == req->length) {
+               req->ring_index = 0;
+               req->ring_ptr = req->ring;
        } else
-               ha->request_ring_ptr++;
+               req->ring_ptr++;
 
        /* Set chip new ring index. */
        if (IS_FWI2_CAPABLE(ha)) {
-               WRT_REG_DWORD(&reg->isp24.req_q_in, ha->req_ring_index);
+               WRT_REG_DWORD(&reg->isp24.req_q_in, req->ring_index);
                RD_REG_DWORD_RELAXED(&reg->isp24.req_q_in);
        } else {
-               WRT_REG_WORD(ISP_REQ_Q_IN(ha, &reg->isp), ha->req_ring_index);
+               WRT_REG_WORD(ISP_REQ_Q_IN(ha, &reg->isp), req->ring_index);
                RD_REG_WORD_RELAXED(ISP_REQ_Q_IN(ha, &reg->isp));
        }
 
@@ -610,7 +618,7 @@ qla24xx_build_scsi_iocbs(srb_t *sp, struct cmd_type_7 *cmd_pkt,
 {
        uint16_t        avail_dsds;
        uint32_t        *cur_dsd;
-       scsi_qla_host_t *ha;
+       scsi_qla_host_t *vha;
        struct scsi_cmnd *cmd;
        struct scatterlist *sg;
        int i;
@@ -627,18 +635,18 @@ qla24xx_build_scsi_iocbs(srb_t *sp, struct cmd_type_7 *cmd_pkt,
                return;
        }
 
-       ha = sp->ha;
+       vha = sp->vha;
 
        /* Set transfer direction */
        if (cmd->sc_data_direction == DMA_TO_DEVICE) {
                cmd_pkt->task_mgmt_flags =
                    __constant_cpu_to_le16(TMF_WRITE_DATA);
-               sp->fcport->ha->qla_stats.output_bytes +=
+               sp->fcport->vha->hw->qla_stats.output_bytes +=
                    scsi_bufflen(sp->cmd);
        } else if (cmd->sc_data_direction == DMA_FROM_DEVICE) {
                cmd_pkt->task_mgmt_flags =
                    __constant_cpu_to_le16(TMF_READ_DATA);
-               sp->fcport->ha->qla_stats.input_bytes +=
+               sp->fcport->vha->hw->qla_stats.input_bytes +=
                    scsi_bufflen(sp->cmd);
        }
 
@@ -658,7 +666,7 @@ qla24xx_build_scsi_iocbs(srb_t *sp, struct cmd_type_7 *cmd_pkt,
                         * Five DSDs are available in the Continuation
                         * Type 1 IOCB.
                         */
-                       cont_pkt = qla2x00_prep_cont_type1_iocb(ha);
+                       cont_pkt = qla2x00_prep_cont_type1_iocb(vha);
                        cur_dsd = (uint32_t *)cont_pkt->dseg_0_address;
                        avail_dsds = 5;
                }
@@ -683,7 +691,7 @@ qla24xx_start_scsi(srb_t *sp)
 {
        int             ret, nseg;
        unsigned long   flags;
-       scsi_qla_host_t *ha, *pha;
+       scsi_qla_host_t *vha;
        struct scsi_cmnd *cmd;
        uint32_t        *clr_ptr;
        uint32_t        index;
@@ -693,34 +701,36 @@ qla24xx_start_scsi(srb_t *sp)
        uint16_t        req_cnt;
        uint16_t        tot_dsds;
        struct device_reg_24xx __iomem *reg;
+       struct qla_hw_data *ha;
+       struct req_que *req;
 
        /* Setup device pointers. */
        ret = 0;
-       ha = sp->ha;
-       pha = to_qla_parent(ha);
+       vha = sp->vha;
+       ha = vha->hw;
        reg = &ha->iobase->isp24;
        cmd = sp->cmd;
+       req = ha->req;
        /* So we know we haven't pci_map'ed anything yet */
        tot_dsds = 0;
 
        /* Send marker if required */
-       if (ha->marker_needed != 0) {
-               if (qla2x00_marker(ha, 0, 0, MK_SYNC_ALL) != QLA_SUCCESS) {
+       if (vha->marker_needed != 0) {
+               if (qla2x00_marker(vha, 0, 0, MK_SYNC_ALL) != QLA_SUCCESS)
                        return QLA_FUNCTION_FAILED;
-               }
-               ha->marker_needed = 0;
+               vha->marker_needed = 0;
        }
 
        /* Acquire ring specific lock */
-       spin_lock_irqsave(&pha->hardware_lock, flags);
+       spin_lock_irqsave(&ha->hardware_lock, flags);
 
        /* Check for room in outstanding command list. */
-       handle = ha->current_outstanding_cmd;
+       handle = req->current_outstanding_cmd;
        for (index = 1; index < MAX_OUTSTANDING_COMMANDS; index++) {
                handle++;
                if (handle == MAX_OUTSTANDING_COMMANDS)
                        handle = 1;
-               if (!ha->outstanding_cmds[handle])
+               if (!req->outstanding_cmds[handle])
                        break;
        }
        if (index == MAX_OUTSTANDING_COMMANDS)
@@ -738,25 +748,25 @@ qla24xx_start_scsi(srb_t *sp)
        tot_dsds = nseg;
 
        req_cnt = qla24xx_calc_iocbs(tot_dsds);
-       if (ha->req_q_cnt < (req_cnt + 2)) {
+       if (req->cnt < (req_cnt + 2)) {
                cnt = (uint16_t)RD_REG_DWORD_RELAXED(&reg->req_q_out);
-               if (ha->req_ring_index < cnt)
-                       ha->req_q_cnt = cnt - ha->req_ring_index;
+               if (req->ring_index < cnt)
+                       req->cnt = cnt - req->ring_index;
                else
-                       ha->req_q_cnt = ha->request_q_length -
-                               (ha->req_ring_index - cnt);
+                       req->cnt = req->length -
+                               (req->ring_index - cnt);
        }
-       if (ha->req_q_cnt < (req_cnt + 2))
+       if (req->cnt < (req_cnt + 2))
                goto queuing_error;
 
        /* Build command packet. */
-       ha->current_outstanding_cmd = handle;
-       ha->outstanding_cmds[handle] = sp;
-       sp->ha = ha;
+       req->current_outstanding_cmd = handle;
+       req->outstanding_cmds[handle] = sp;
+       sp->vha = vha;
        sp->cmd->host_scribble = (unsigned char *)(unsigned long)handle;
-       ha->req_q_cnt -= req_cnt;
+       req->cnt -= req_cnt;
 
-       cmd_pkt = (struct cmd_type_7 *)ha->request_ring_ptr;
+       cmd_pkt = (struct cmd_type_7 *)req->ring_ptr;
        cmd_pkt->handle = handle;
 
        /* Zero out remaining portion of packet. */
@@ -789,32 +799,32 @@ qla24xx_start_scsi(srb_t *sp)
        wmb();
 
        /* Adjust ring index. */
-       ha->req_ring_index++;
-       if (ha->req_ring_index == ha->request_q_length) {
-               ha->req_ring_index = 0;
-               ha->request_ring_ptr = ha->request_ring;
+       req->ring_index++;
+       if (req->ring_index == req->length) {
+               req->ring_index = 0;
+               req->ring_ptr = req->ring;
        } else
-               ha->request_ring_ptr++;
+               req->ring_ptr++;
 
        sp->flags |= SRB_DMA_VALID;
 
        /* Set chip new ring index. */
-       WRT_REG_DWORD(&reg->req_q_in, ha->req_ring_index);
+       WRT_REG_DWORD(&reg->req_q_in, req->ring_index);
        RD_REG_DWORD_RELAXED(&reg->req_q_in);           /* PCI Posting. */
 
        /* Manage unprocessed RIO/ZIO commands in response queue. */
-       if (ha->flags.process_response_queue &&
-           ha->response_ring_ptr->signature != RESPONSE_PROCESSED)
-               qla24xx_process_response_queue(ha);
+       if (vha->flags.process_response_queue &&
+           ha->rsp->ring_ptr->signature != RESPONSE_PROCESSED)
+               qla24xx_process_response_queue(vha);
 
-       spin_unlock_irqrestore(&pha->hardware_lock, flags);
+       spin_unlock_irqrestore(&ha->hardware_lock, flags);
        return QLA_SUCCESS;
 
 queuing_error:
        if (tot_dsds)
                scsi_dma_unmap(cmd);
 
-       spin_unlock_irqrestore(&pha->hardware_lock, flags);
+       spin_unlock_irqrestore(&ha->hardware_lock, flags);
 
        return QLA_FUNCTION_FAILED;
 }