/*
* QLogic Fibre Channel HBA Driver
- * Copyright (c) 2003-2005 QLogic Corporation
+ * Copyright (c) 2003-2008 QLogic Corporation
*
* See LICENSE.qla2xxx for copyright and licensing details.
*/
#include <scsi/scsi_tcq.h>
-static inline uint16_t qla2x00_get_cmd_direction(struct scsi_cmnd *cmd);
-static inline cont_entry_t *qla2x00_prep_cont_type0_iocb(scsi_qla_host_t *);
-static inline cont_a64_entry_t *qla2x00_prep_cont_type1_iocb(scsi_qla_host_t *);
static request_t *qla2x00_req_pkt(scsi_qla_host_t *ha);
static void qla2x00_isp_cmd(scsi_qla_host_t *ha);
uint32_t *cur_dsd;
scsi_qla_host_t *ha;
struct scsi_cmnd *cmd;
+ struct scatterlist *sg;
+ int i;
cmd = sp->cmd;
__constant_cpu_to_le32(COMMAND_TYPE);
/* No data transfer */
- if (cmd->request_bufflen == 0 || cmd->sc_data_direction == DMA_NONE) {
+ if (!scsi_bufflen(cmd) || cmd->sc_data_direction == DMA_NONE) {
cmd_pkt->byte_count = __constant_cpu_to_le32(0);
return;
}
cur_dsd = (uint32_t *)&cmd_pkt->dseg_0_address;
/* Load data segments */
- if (cmd->use_sg != 0) {
- struct scatterlist *cur_seg;
- struct scatterlist *end_seg;
-
- cur_seg = (struct scatterlist *)cmd->request_buffer;
- end_seg = cur_seg + tot_dsds;
- while (cur_seg < end_seg) {
- cont_entry_t *cont_pkt;
-
- /* Allocate additional continuation packets? */
- if (avail_dsds == 0) {
- /*
- * Seven DSDs are available in the Continuation
- * Type 0 IOCB.
- */
- cont_pkt = qla2x00_prep_cont_type0_iocb(ha);
- cur_dsd = (uint32_t *)&cont_pkt->dseg_0_address;
- avail_dsds = 7;
- }
-
- *cur_dsd++ = cpu_to_le32(sg_dma_address(cur_seg));
- *cur_dsd++ = cpu_to_le32(sg_dma_len(cur_seg));
- avail_dsds--;
-
- cur_seg++;
+ scsi_for_each_sg(cmd, sg, tot_dsds, i) {
+ cont_entry_t *cont_pkt;
+
+ /* Allocate additional continuation packets? */
+ if (avail_dsds == 0) {
+ /*
+ * Seven DSDs are available in the Continuation
+ * Type 0 IOCB.
+ */
+ cont_pkt = qla2x00_prep_cont_type0_iocb(ha);
+ cur_dsd = (uint32_t *)&cont_pkt->dseg_0_address;
+ avail_dsds = 7;
}
- } else {
- *cur_dsd++ = cpu_to_le32(sp->dma_handle);
- *cur_dsd++ = cpu_to_le32(cmd->request_bufflen);
+
+ *cur_dsd++ = cpu_to_le32(sg_dma_address(sg));
+ *cur_dsd++ = cpu_to_le32(sg_dma_len(sg));
+ avail_dsds--;
}
}
uint32_t *cur_dsd;
scsi_qla_host_t *ha;
struct scsi_cmnd *cmd;
+ struct scatterlist *sg;
+ int i;
cmd = sp->cmd;
__constant_cpu_to_le32(COMMAND_A64_TYPE);
/* No data transfer */
- if (cmd->request_bufflen == 0 || cmd->sc_data_direction == DMA_NONE) {
+ if (!scsi_bufflen(cmd) || cmd->sc_data_direction == DMA_NONE) {
cmd_pkt->byte_count = __constant_cpu_to_le32(0);
return;
}
cur_dsd = (uint32_t *)&cmd_pkt->dseg_0_address;
/* Load data segments */
- if (cmd->use_sg != 0) {
- struct scatterlist *cur_seg;
- struct scatterlist *end_seg;
-
- cur_seg = (struct scatterlist *)cmd->request_buffer;
- end_seg = cur_seg + tot_dsds;
- while (cur_seg < end_seg) {
- dma_addr_t sle_dma;
- cont_a64_entry_t *cont_pkt;
-
- /* Allocate additional continuation packets? */
- if (avail_dsds == 0) {
- /*
- * Five DSDs are available in the Continuation
- * Type 1 IOCB.
- */
- cont_pkt = qla2x00_prep_cont_type1_iocb(ha);
- cur_dsd = (uint32_t *)cont_pkt->dseg_0_address;
- avail_dsds = 5;
- }
-
- sle_dma = sg_dma_address(cur_seg);
- *cur_dsd++ = cpu_to_le32(LSD(sle_dma));
- *cur_dsd++ = cpu_to_le32(MSD(sle_dma));
- *cur_dsd++ = cpu_to_le32(sg_dma_len(cur_seg));
- avail_dsds--;
-
- cur_seg++;
+ scsi_for_each_sg(cmd, sg, tot_dsds, i) {
+ dma_addr_t sle_dma;
+ cont_a64_entry_t *cont_pkt;
+
+ /* Allocate additional continuation packets? */
+ if (avail_dsds == 0) {
+ /*
+ * Five DSDs are available in the Continuation
+ * Type 1 IOCB.
+ */
+ cont_pkt = qla2x00_prep_cont_type1_iocb(ha);
+ cur_dsd = (uint32_t *)cont_pkt->dseg_0_address;
+ avail_dsds = 5;
}
- } else {
- *cur_dsd++ = cpu_to_le32(LSD(sp->dma_handle));
- *cur_dsd++ = cpu_to_le32(MSD(sp->dma_handle));
- *cur_dsd++ = cpu_to_le32(cmd->request_bufflen);
+
+ 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--;
}
}
int
qla2x00_start_scsi(srb_t *sp)
{
- int ret;
+ int ret, nseg;
unsigned long flags;
scsi_qla_host_t *ha;
struct scsi_cmnd *cmd;
uint32_t index;
uint32_t handle;
cmd_entry_t *cmd_pkt;
- struct scatterlist *sg;
uint16_t cnt;
uint16_t req_cnt;
uint16_t tot_dsds;
handle++;
if (handle == MAX_OUTSTANDING_COMMANDS)
handle = 1;
- if (ha->outstanding_cmds[handle] == 0)
+ if (!ha->outstanding_cmds[handle])
break;
}
if (index == MAX_OUTSTANDING_COMMANDS)
goto queuing_error;
/* Map the sg table so we have an accurate count of sg entries needed */
- if (cmd->use_sg) {
- sg = (struct scatterlist *) cmd->request_buffer;
- tot_dsds = pci_map_sg(ha->pdev, sg, cmd->use_sg,
- cmd->sc_data_direction);
- if (tot_dsds == 0)
- goto queuing_error;
- } else if (cmd->request_bufflen) {
- dma_addr_t req_dma;
-
- req_dma = pci_map_single(ha->pdev, cmd->request_buffer,
- cmd->request_bufflen, cmd->sc_data_direction);
- if (dma_mapping_error(req_dma))
+ if (scsi_sg_count(cmd)) {
+ nseg = dma_map_sg(&ha->pdev->dev, scsi_sglist(cmd),
+ scsi_sg_count(cmd), cmd->sc_data_direction);
+ if (unlikely(!nseg))
goto queuing_error;
+ } else
+ nseg = 0;
- sp->dma_handle = req_dma;
- tot_dsds = 1;
- }
+ tot_dsds = nseg;
/* Calculate the number of request entries needed. */
- req_cnt = ha->isp_ops.calc_req_entries(tot_dsds);
+ req_cnt = ha->isp_ops->calc_req_entries(tot_dsds);
if (ha->req_q_cnt < (req_cnt + 2)) {
cnt = RD_REG_WORD_RELAXED(ISP_REQ_Q_OUT(ha, reg));
if (ha->req_ring_index < cnt)
/* Load SCSI command packet. */
memcpy(cmd_pkt->scsi_cdb, cmd->cmnd, cmd->cmd_len);
- cmd_pkt->byte_count = cpu_to_le32((uint32_t)cmd->request_bufflen);
+ cmd_pkt->byte_count = cpu_to_le32((uint32_t)scsi_bufflen(cmd));
/* Build IOCB segments */
- ha->isp_ops.build_iocbs(sp, cmd_pkt, tot_dsds);
+ ha->isp_ops->build_iocbs(sp, cmd_pkt, tot_dsds);
/* Set total data segment count. */
cmd_pkt->entry_count = (uint8_t)req_cnt;
return (QLA_SUCCESS);
queuing_error:
- if (cmd->use_sg && tot_dsds) {
- sg = (struct scatterlist *) cmd->request_buffer;
- pci_unmap_sg(ha->pdev, sg, cmd->use_sg,
- cmd->sc_data_direction);
- } else if (tot_dsds) {
- pci_unmap_single(ha->pdev, sp->dma_handle,
- cmd->request_bufflen, cmd->sc_data_direction);
- }
+ if (tot_dsds)
+ scsi_dma_unmap(cmd);
+
spin_unlock_irqrestore(&ha->hardware_lock, flags);
return (QLA_FUNCTION_FAILED);
{
mrk_entry_t *mrk;
struct mrk_entry_24xx *mrk24;
+ scsi_qla_host_t *pha = to_qla_parent(ha);
mrk24 = NULL;
- mrk = (mrk_entry_t *)qla2x00_req_pkt(ha);
+ mrk = (mrk_entry_t *)qla2x00_req_pkt(pha);
if (mrk == NULL) {
DEBUG2_3(printk("%s(%ld): failed to allocate Marker IOCB.\n",
__func__, ha->host_no));
mrk->entry_type = MARKER_TYPE;
mrk->modifier = type;
if (type != MK_SYNC_ALL) {
- if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
+ if (IS_FWI2_CAPABLE(ha)) {
mrk24 = (struct mrk_entry_24xx *) mrk;
mrk24->nport_handle = cpu_to_le16(loop_id);
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;
} else {
SET_TARGET_ID(ha, mrk->target, loop_id);
mrk->lun = cpu_to_le16(lun);
}
wmb();
- qla2x00_isp_cmd(ha);
+ qla2x00_isp_cmd(pha);
return (QLA_SUCCESS);
}
for (timer = HZ; timer; timer--) {
if ((req_cnt + 2) >= ha->req_q_cnt) {
/* Calculate number of free request entries. */
- if (IS_QLA24XX(ha) || IS_QLA54XX(ha))
+ if (IS_FWI2_CAPABLE(ha))
cnt = (uint16_t)RD_REG_DWORD(
®->isp24.req_q_out);
else
/* Check for pending interrupts. */
/* During init we issue marker directly */
- if (!ha->marker_needed)
+ if (!ha->marker_needed && !ha->flags.init_done)
qla2x00_poll(ha);
spin_lock_irq(&ha->hardware_lock);
ha->request_ring_ptr++;
/* Set chip new ring index. */
- if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
+ if (IS_FWI2_CAPABLE(ha)) {
WRT_REG_DWORD(®->isp24.req_q_in, ha->req_ring_index);
RD_REG_DWORD_RELAXED(®->isp24.req_q_in);
} else {
uint32_t *cur_dsd;
scsi_qla_host_t *ha;
struct scsi_cmnd *cmd;
+ struct scatterlist *sg;
+ int i;
cmd = sp->cmd;
__constant_cpu_to_le32(COMMAND_TYPE_7);
/* No data transfer */
- if (cmd->request_bufflen == 0 || cmd->sc_data_direction == DMA_NONE) {
+ if (!scsi_bufflen(cmd) || cmd->sc_data_direction == DMA_NONE) {
cmd_pkt->byte_count = __constant_cpu_to_le32(0);
return;
}
cur_dsd = (uint32_t *)&cmd_pkt->dseg_0_address;
/* Load data segments */
- if (cmd->use_sg != 0) {
- struct scatterlist *cur_seg;
- struct scatterlist *end_seg;
-
- cur_seg = (struct scatterlist *)cmd->request_buffer;
- end_seg = cur_seg + tot_dsds;
- while (cur_seg < end_seg) {
- dma_addr_t sle_dma;
- cont_a64_entry_t *cont_pkt;
-
- /* Allocate additional continuation packets? */
- if (avail_dsds == 0) {
- /*
- * Five DSDs are available in the Continuation
- * Type 1 IOCB.
- */
- cont_pkt = qla2x00_prep_cont_type1_iocb(ha);
- cur_dsd = (uint32_t *)cont_pkt->dseg_0_address;
- avail_dsds = 5;
- }
-
- sle_dma = sg_dma_address(cur_seg);
- *cur_dsd++ = cpu_to_le32(LSD(sle_dma));
- *cur_dsd++ = cpu_to_le32(MSD(sle_dma));
- *cur_dsd++ = cpu_to_le32(sg_dma_len(cur_seg));
- avail_dsds--;
-
- cur_seg++;
+
+ scsi_for_each_sg(cmd, sg, tot_dsds, i) {
+ dma_addr_t sle_dma;
+ cont_a64_entry_t *cont_pkt;
+
+ /* Allocate additional continuation packets? */
+ if (avail_dsds == 0) {
+ /*
+ * Five DSDs are available in the Continuation
+ * Type 1 IOCB.
+ */
+ cont_pkt = qla2x00_prep_cont_type1_iocb(ha);
+ cur_dsd = (uint32_t *)cont_pkt->dseg_0_address;
+ avail_dsds = 5;
}
- } else {
- *cur_dsd++ = cpu_to_le32(LSD(sp->dma_handle));
- *cur_dsd++ = cpu_to_le32(MSD(sp->dma_handle));
- *cur_dsd++ = cpu_to_le32(cmd->request_bufflen);
+
+ 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--;
}
}
int
qla24xx_start_scsi(srb_t *sp)
{
- int ret;
+ int ret, nseg;
unsigned long flags;
scsi_qla_host_t *ha;
struct scsi_cmnd *cmd;
uint32_t index;
uint32_t handle;
struct cmd_type_7 *cmd_pkt;
- struct scatterlist *sg;
uint16_t cnt;
uint16_t req_cnt;
uint16_t tot_dsds;
handle++;
if (handle == MAX_OUTSTANDING_COMMANDS)
handle = 1;
- if (ha->outstanding_cmds[handle] == 0)
+ if (!ha->outstanding_cmds[handle])
break;
}
if (index == MAX_OUTSTANDING_COMMANDS)
goto queuing_error;
/* Map the sg table so we have an accurate count of sg entries needed */
- if (cmd->use_sg) {
- sg = (struct scatterlist *) cmd->request_buffer;
- tot_dsds = pci_map_sg(ha->pdev, sg, cmd->use_sg,
- cmd->sc_data_direction);
- if (tot_dsds == 0)
- goto queuing_error;
- } else if (cmd->request_bufflen) {
- dma_addr_t req_dma;
-
- req_dma = pci_map_single(ha->pdev, cmd->request_buffer,
- cmd->request_bufflen, cmd->sc_data_direction);
- if (dma_mapping_error(req_dma))
+ if (scsi_sg_count(cmd)) {
+ nseg = dma_map_sg(&ha->pdev->dev, scsi_sglist(cmd),
+ scsi_sg_count(cmd), cmd->sc_data_direction);
+ if (unlikely(!nseg))
goto queuing_error;
+ } else
+ nseg = 0;
- sp->dma_handle = req_dma;
- tot_dsds = 1;
- }
+ tot_dsds = nseg;
req_cnt = qla24xx_calc_iocbs(tot_dsds);
if (ha->req_q_cnt < (req_cnt + 2)) {
cmd_pkt->port_id[0] = sp->fcport->d_id.b.al_pa;
cmd_pkt->port_id[1] = sp->fcport->d_id.b.area;
cmd_pkt->port_id[2] = sp->fcport->d_id.b.domain;
+ cmd_pkt->vp_index = sp->fcport->vp_idx;
int_to_scsilun(sp->cmd->device->lun, &cmd_pkt->lun);
host_to_fcp_swap((uint8_t *)&cmd_pkt->lun, sizeof(cmd_pkt->lun));
memcpy(cmd_pkt->fcp_cdb, cmd->cmnd, cmd->cmd_len);
host_to_fcp_swap(cmd_pkt->fcp_cdb, sizeof(cmd_pkt->fcp_cdb));
- cmd_pkt->byte_count = cpu_to_le32((uint32_t)cmd->request_bufflen);
+ cmd_pkt->byte_count = cpu_to_le32((uint32_t)scsi_bufflen(cmd));
/* Build IOCB segments */
qla24xx_build_scsi_iocbs(sp, cmd_pkt, tot_dsds);
return QLA_SUCCESS;
queuing_error:
- if (cmd->use_sg && tot_dsds) {
- sg = (struct scatterlist *) cmd->request_buffer;
- pci_unmap_sg(ha->pdev, sg, cmd->use_sg,
- cmd->sc_data_direction);
- } else if (tot_dsds) {
- pci_unmap_single(ha->pdev, sp->dma_handle,
- cmd->request_bufflen, cmd->sc_data_direction);
- }
+ if (tot_dsds)
+ scsi_dma_unmap(cmd);
+
spin_unlock_irqrestore(&ha->hardware_lock, flags);
return QLA_FUNCTION_FAILED;
projects / linux-2.6 / blobdiff