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path: root/drivers/scsi/qla2xxx/qla_iocb.c
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Diffstat (limited to 'drivers/scsi/qla2xxx/qla_iocb.c')
-rw-r--r--drivers/scsi/qla2xxx/qla_iocb.c158
1 files changed, 100 insertions, 58 deletions
diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c
index 0c145c9e0cd..6d2bd97c3b1 100644
--- a/drivers/scsi/qla2xxx/qla_iocb.c
+++ b/drivers/scsi/qla2xxx/qla_iocb.c
@@ -11,8 +11,9 @@
#include <scsi/scsi_tcq.h>
-static request_t *qla2x00_req_pkt(scsi_qla_host_t *);
-static void qla2x00_isp_cmd(scsi_qla_host_t *);
+static request_t *qla2x00_req_pkt(struct scsi_qla_host *, struct req_que *,
+ struct rsp_que *rsp);
+static void qla2x00_isp_cmd(struct scsi_qla_host *, struct req_que *);
/**
* qla2x00_get_cmd_direction() - Determine control_flag data direction.
@@ -91,10 +92,9 @@ 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 *vha)
+qla2x00_prep_cont_type0_iocb(struct req_que *req, struct scsi_qla_host *vha)
{
cont_entry_t *cont_pkt;
- struct req_que *req = vha->hw->req;
/* Adjust ring index. */
req->ring_index++;
if (req->ring_index == req->length) {
@@ -120,10 +120,9 @@ qla2x00_prep_cont_type0_iocb(scsi_qla_host_t *vha)
* 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 *vha)
+qla2x00_prep_cont_type1_iocb(struct req_que *req, scsi_qla_host_t *vha)
{
cont_a64_entry_t *cont_pkt;
- struct req_que *req = vha->hw->req;
/* Adjust ring index. */
req->ring_index++;
@@ -160,6 +159,8 @@ void qla2x00_build_scsi_iocbs_32(srb_t *sp, cmd_entry_t *cmd_pkt,
struct scsi_cmnd *cmd;
struct scatterlist *sg;
int i;
+ struct req_que *req;
+ uint16_t que_id;
cmd = sp->cmd;
@@ -174,6 +175,8 @@ void qla2x00_build_scsi_iocbs_32(srb_t *sp, cmd_entry_t *cmd_pkt,
}
vha = sp->vha;
+ que_id = vha->req_ques[0];
+ req = vha->hw->req_q_map[que_id];
cmd_pkt->control_flags |= cpu_to_le16(qla2x00_get_cmd_direction(sp));
@@ -191,7 +194,7 @@ 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(vha);
+ cont_pkt = qla2x00_prep_cont_type0_iocb(req, vha);
cur_dsd = (uint32_t *)&cont_pkt->dseg_0_address;
avail_dsds = 7;
}
@@ -219,6 +222,8 @@ void qla2x00_build_scsi_iocbs_64(srb_t *sp, cmd_entry_t *cmd_pkt,
struct scsi_cmnd *cmd;
struct scatterlist *sg;
int i;
+ struct req_que *req;
+ uint16_t que_id;
cmd = sp->cmd;
@@ -233,6 +238,8 @@ void qla2x00_build_scsi_iocbs_64(srb_t *sp, cmd_entry_t *cmd_pkt,
}
vha = sp->vha;
+ que_id = vha->req_ques[0];
+ req = vha->hw->req_q_map[que_id];
cmd_pkt->control_flags |= cpu_to_le16(qla2x00_get_cmd_direction(sp));
@@ -251,7 +258,7 @@ 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(vha);
+ cont_pkt = qla2x00_prep_cont_type1_iocb(req, vha);
cur_dsd = (uint32_t *)cont_pkt->dseg_0_address;
avail_dsds = 5;
}
@@ -287,6 +294,7 @@ qla2x00_start_scsi(srb_t *sp)
struct device_reg_2xxx __iomem *reg;
struct qla_hw_data *ha;
struct req_que *req;
+ struct rsp_que *rsp;
/* Setup device pointers. */
ret = 0;
@@ -294,13 +302,15 @@ qla2x00_start_scsi(srb_t *sp)
ha = vha->hw;
reg = &ha->iobase->isp;
cmd = sp->cmd;
- req = ha->req;
+ req = ha->req_q_map[0];
+ rsp = ha->rsp_q_map[0];
/* So we know we haven't pci_map'ed anything yet */
tot_dsds = 0;
/* Send marker if required */
if (vha->marker_needed != 0) {
- if (qla2x00_marker(vha, 0, 0, MK_SYNC_ALL) != QLA_SUCCESS)
+ if (qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL)
+ != QLA_SUCCESS)
return (QLA_FUNCTION_FAILED);
vha->marker_needed = 0;
}
@@ -392,8 +402,8 @@ qla2x00_start_scsi(srb_t *sp)
/* Manage unprocessed RIO/ZIO commands in response queue. */
if (vha->flags.process_response_queue &&
- ha->rsp->ring_ptr->signature != RESPONSE_PROCESSED)
- qla2x00_process_response_queue(vha);
+ rsp->ring_ptr->signature != RESPONSE_PROCESSED)
+ qla2x00_process_response_queue(rsp);
spin_unlock_irqrestore(&ha->hardware_lock, flags);
return (QLA_SUCCESS);
@@ -419,8 +429,9 @@ queuing_error:
* Returns non-zero if a failure occurred, else zero.
*/
int
-__qla2x00_marker(scsi_qla_host_t *vha, uint16_t loop_id, uint16_t lun,
- uint8_t type)
+__qla2x00_marker(struct scsi_qla_host *vha, struct req_que *req,
+ struct rsp_que *rsp, uint16_t loop_id,
+ uint16_t lun, uint8_t type)
{
mrk_entry_t *mrk;
struct mrk_entry_24xx *mrk24;
@@ -428,7 +439,7 @@ __qla2x00_marker(scsi_qla_host_t *vha, uint16_t loop_id, uint16_t lun,
scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
mrk24 = NULL;
- mrk = (mrk_entry_t *)qla2x00_req_pkt(base_vha);
+ mrk = (mrk_entry_t *)qla2x00_req_pkt(vha, req, rsp);
if (mrk == NULL) {
DEBUG2_3(printk("%s(%ld): failed to allocate Marker IOCB.\n",
__func__, base_vha->host_no));
@@ -453,22 +464,22 @@ __qla2x00_marker(scsi_qla_host_t *vha, uint16_t loop_id, uint16_t lun,
}
wmb();
- qla2x00_isp_cmd(base_vha);
+ qla2x00_isp_cmd(vha, req);
return (QLA_SUCCESS);
}
int
-qla2x00_marker(scsi_qla_host_t *vha, uint16_t loop_id, uint16_t lun,
- uint8_t type)
+qla2x00_marker(struct scsi_qla_host *vha, struct req_que *req,
+ struct rsp_que *rsp, uint16_t loop_id, uint16_t lun,
+ uint8_t type)
{
int ret;
unsigned long flags = 0;
- struct qla_hw_data *ha = vha->hw;
- spin_lock_irqsave(&ha->hardware_lock, flags);
- ret = __qla2x00_marker(vha, loop_id, lun, type);
- spin_unlock_irqrestore(&ha->hardware_lock, flags);
+ spin_lock_irqsave(&vha->hw->hardware_lock, flags);
+ ret = __qla2x00_marker(vha, req, rsp, loop_id, lun, type);
+ spin_unlock_irqrestore(&vha->hw->hardware_lock, flags);
return (ret);
}
@@ -482,27 +493,32 @@ qla2x00_marker(scsi_qla_host_t *vha, 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 *vha)
+qla2x00_req_pkt(struct scsi_qla_host *vha, struct req_que *req,
+ struct rsp_que *rsp)
{
struct qla_hw_data *ha = vha->hw;
- device_reg_t __iomem *reg = ha->iobase;
+ device_reg_t __iomem *reg = ISP_QUE_REG(ha, req->id);
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) >= req->cnt) {
/* Calculate number of free request entries. */
- if (IS_FWI2_CAPABLE(ha))
- cnt = (uint16_t)RD_REG_DWORD(
- &reg->isp24.req_q_out);
- else
- cnt = qla2x00_debounce_register(
- ISP_REQ_Q_OUT(ha, &reg->isp));
+ if (ha->mqenable)
+ cnt = (uint16_t)
+ RD_REG_DWORD(&reg->isp25mq.req_q_out);
+ else {
+ if (IS_FWI2_CAPABLE(ha))
+ cnt = (uint16_t)RD_REG_DWORD(
+ &reg->isp24.req_q_out);
+ else
+ cnt = qla2x00_debounce_register(
+ ISP_REQ_Q_OUT(ha, &reg->isp));
+ }
if (req->ring_index < cnt)
req->cnt = cnt - req->ring_index;
else
@@ -536,7 +552,7 @@ qla2x00_req_pkt(scsi_qla_host_t *vha)
/* Check for pending interrupts. */
/* During init we issue marker directly */
if (!vha->marker_needed && !vha->flags.init_done)
- qla2x00_poll(ha->rsp);
+ qla2x00_poll(rsp);
spin_lock_irq(&ha->hardware_lock);
}
if (!pkt) {
@@ -553,11 +569,10 @@ qla2x00_req_pkt(scsi_qla_host_t *vha)
* Note: The caller must hold the hardware lock before calling this routine.
*/
static void
-qla2x00_isp_cmd(scsi_qla_host_t *vha)
+qla2x00_isp_cmd(struct scsi_qla_host *vha, struct req_que *req)
{
struct qla_hw_data *ha = vha->hw;
- device_reg_t __iomem *reg = ha->iobase;
- struct req_que *req = ha->req;
+ device_reg_t __iomem *reg = ISP_QUE_REG(ha, req->id);
DEBUG5(printk("%s(): IOCB data:\n", __func__));
DEBUG5(qla2x00_dump_buffer(
@@ -572,12 +587,17 @@ qla2x00_isp_cmd(scsi_qla_host_t *vha)
req->ring_ptr++;
/* Set chip new ring index. */
- if (IS_FWI2_CAPABLE(ha)) {
- 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), req->ring_index);
- RD_REG_WORD_RELAXED(ISP_REQ_Q_IN(ha, &reg->isp));
+ if (ha->mqenable)
+ RD_REG_DWORD(&reg->isp25mq.req_q_out);
+ else {
+ if (IS_FWI2_CAPABLE(ha)) {
+ 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),
+ req->ring_index);
+ RD_REG_WORD_RELAXED(ISP_REQ_Q_IN(ha, &reg->isp));
+ }
}
}
@@ -622,6 +642,8 @@ qla24xx_build_scsi_iocbs(srb_t *sp, struct cmd_type_7 *cmd_pkt,
struct scsi_cmnd *cmd;
struct scatterlist *sg;
int i;
+ uint16_t que_id;
+ struct req_que *req;
cmd = sp->cmd;
@@ -636,6 +658,8 @@ qla24xx_build_scsi_iocbs(srb_t *sp, struct cmd_type_7 *cmd_pkt,
}
vha = sp->vha;
+ que_id = vha->req_ques[0];
+ req = vha->hw->req_q_map[que_id];
/* Set transfer direction */
if (cmd->sc_data_direction == DMA_TO_DEVICE) {
@@ -666,7 +690,7 @@ 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(vha);
+ cont_pkt = qla2x00_prep_cont_type1_iocb(req, vha);
cur_dsd = (uint32_t *)cont_pkt->dseg_0_address;
avail_dsds = 5;
}
@@ -691,8 +715,6 @@ qla24xx_start_scsi(srb_t *sp)
{
int ret, nseg;
unsigned long flags;
- scsi_qla_host_t *vha;
- struct scsi_cmnd *cmd;
uint32_t *clr_ptr;
uint32_t index;
uint32_t handle;
@@ -700,23 +722,32 @@ qla24xx_start_scsi(srb_t *sp)
uint16_t cnt;
uint16_t req_cnt;
uint16_t tot_dsds;
- struct device_reg_24xx __iomem *reg;
- struct qla_hw_data *ha;
- struct req_que *req;
+ struct req_que *req = NULL;
+ struct rsp_que *rsp = NULL;
+ struct scsi_cmnd *cmd = sp->cmd;
+ struct scsi_qla_host *vha = sp->vha;
+ struct qla_hw_data *ha = vha->hw;
+ device_reg_t __iomem *reg;
+ uint16_t que_id;
/* Setup device pointers. */
ret = 0;
- vha = sp->vha;
- ha = vha->hw;
- reg = &ha->iobase->isp24;
- cmd = sp->cmd;
- req = ha->req;
+ que_id = vha->req_ques[0];
+
+ req = ha->req_q_map[que_id];
+ reg = ISP_QUE_REG(ha, req->id);
+
+ if (req->rsp)
+ rsp = req->rsp;
+ else
+ rsp = ha->rsp_q_map[que_id];
/* So we know we haven't pci_map'ed anything yet */
tot_dsds = 0;
/* Send marker if required */
if (vha->marker_needed != 0) {
- if (qla2x00_marker(vha, 0, 0, MK_SYNC_ALL) != QLA_SUCCESS)
+ if (qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL)
+ != QLA_SUCCESS)
return QLA_FUNCTION_FAILED;
vha->marker_needed = 0;
}
@@ -749,7 +780,13 @@ qla24xx_start_scsi(srb_t *sp)
req_cnt = qla24xx_calc_iocbs(tot_dsds);
if (req->cnt < (req_cnt + 2)) {
- cnt = (uint16_t)RD_REG_DWORD_RELAXED(&reg->req_q_out);
+ if (ha->mqenable)
+ cnt = (uint16_t)
+ RD_REG_DWORD_RELAXED(&reg->isp25mq.req_q_out);
+ else
+ cnt = (uint16_t)
+ RD_REG_DWORD_RELAXED(&reg->isp24.req_q_out);
+
if (req->ring_index < cnt)
req->cnt = cnt - req->ring_index;
else
@@ -809,13 +846,17 @@ qla24xx_start_scsi(srb_t *sp)
sp->flags |= SRB_DMA_VALID;
/* Set chip new ring index. */
- WRT_REG_DWORD(&reg->req_q_in, req->ring_index);
- RD_REG_DWORD_RELAXED(&reg->req_q_in); /* PCI Posting. */
+ if (ha->mqenable)
+ WRT_REG_DWORD(&reg->isp25mq.req_q_in, req->ring_index);
+ else {
+ WRT_REG_DWORD(&reg->isp24.req_q_in, req->ring_index);
+ RD_REG_DWORD_RELAXED(&reg->isp24.req_q_in);
+ }
/* Manage unprocessed RIO/ZIO commands in response queue. */
if (vha->flags.process_response_queue &&
- ha->rsp->ring_ptr->signature != RESPONSE_PROCESSED)
- qla24xx_process_response_queue(vha);
+ rsp->ring_ptr->signature != RESPONSE_PROCESSED)
+ qla24xx_process_response_queue(rsp);
spin_unlock_irqrestore(&ha->hardware_lock, flags);
return QLA_SUCCESS;
@@ -828,3 +869,4 @@ queuing_error:
return QLA_FUNCTION_FAILED;
}
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-15 01:20:43 +0000