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WSL2-Linux-Kernel
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[SCSI] qla2xxx: changes in multiq code 

Following changes have been made:
 1. Scan outstanding commands only in the queue where it is submitted
 2. Update queue registers directly in the fast path
 3. Queue specific BAR is remapped only for multiq capable adapters

Signed-off-by: Anirban Chakraborty <anirban.chakraborty@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
This commit is contained in:
Anirban Chakraborty 2008-12-18 10:06:15 -08:00 коммит произвёл James Bottomley
Родитель 20c09df7eb
Коммит 17d98630a4
8 изменённых файлов: 174 добавлений и 115 удалений
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7
drivers/scsi/qla2xxx/qla_def.h
Просмотреть файл

@ -181,11 +181,14 @@
#define RESPONSE_ENTRY_CNT_2100 64 /* Number of response entries.*/
#define RESPONSE_ENTRY_CNT_2300 512 /* Number of response entries.*/
struct req_que;
/*
* SCSI Request Block
*/
typedef struct srb {
struct scsi_qla_host *vha; /* HA the SP is queued on */
struct req_que *que;
struct fc_port *fcport;
struct scsi_cmnd *cmd; /* Linux SCSI command pkt */
@ -2045,7 +2048,6 @@ typedef struct vport_params {
#define VP_RET_CODE_NOT_FOUND 6
struct qla_hw_data;
struct req_que;
/*
* ISP operations
@ -2101,6 +2103,9 @@ struct isp_operations {
int (*get_flash_version) (struct scsi_qla_host *, void *);
int (*start_scsi) (srb_t *);
void (*wrt_req_reg) (struct qla_hw_data *, uint16_t, uint16_t);
void (*wrt_rsp_reg) (struct qla_hw_data *, uint16_t, uint16_t);
uint16_t (*rd_req_reg) (struct qla_hw_data *, uint16_t);
};
/* MSI-X Support *************************************************************/

6
drivers/scsi/qla2xxx/qla_gbl.h
Просмотреть файл

@ -391,4 +391,10 @@ extern int qla25xx_delete_req_que(struct scsi_qla_host *, struct req_que *);
extern int qla25xx_delete_rsp_que(struct scsi_qla_host *, struct rsp_que *);
extern int qla25xx_create_queues(struct scsi_qla_host *, uint8_t);
extern int qla25xx_delete_queues(struct scsi_qla_host *, uint8_t);
extern uint16_t qla24xx_rd_req_reg(struct qla_hw_data *, uint16_t);
extern uint16_t qla25xx_rd_req_reg(struct qla_hw_data *, uint16_t);
extern void qla24xx_wrt_req_reg(struct qla_hw_data *, uint16_t, uint16_t);
extern void qla25xx_wrt_req_reg(struct qla_hw_data *, uint16_t, uint16_t);
extern void qla25xx_wrt_rsp_reg(struct qla_hw_data *, uint16_t, uint16_t);
extern void qla24xx_wrt_rsp_reg(struct qla_hw_data *, uint16_t, uint16_t);
#endif /* _QLA_GBL_H */

4
drivers/scsi/qla2xxx/qla_init.c
Просмотреть файл

@ -796,7 +796,7 @@ qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
if (!tc) {
qla_printk(KERN_WARNING, ha, "Unable to allocate "
"(%d KB) for FCE.\n", FCE_SIZE / 1024);
goto cont_alloc;
goto try_eft;
}
memset(tc, 0, FCE_SIZE);
@ -808,7 +808,7 @@ qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc,
tc_dma);
ha->flags.fce_enabled = 0;
goto cont_alloc;
goto try_eft;
}
qla_printk(KERN_INFO, ha, "Allocated (%d KB) for FCE...\n",

2
drivers/scsi/qla2xxx/qla_inline.h
Просмотреть файл

@ -63,4 +63,4 @@ qla2x00_is_reserved_id(scsi_qla_host_t *vha, uint16_t loop_id)
return ((loop_id > ha->max_loop_id && loop_id < SNS_FIRST_LOOP_ID) ||
loop_id == MANAGEMENT_SERVER || loop_id == BROADCAST);
};
}

68
drivers/scsi/qla2xxx/qla_iocb.c
Просмотреть файл

@ -160,7 +160,6 @@ void qla2x00_build_scsi_iocbs_32(srb_t *sp, cmd_entry_t *cmd_pkt,
struct scatterlist *sg;
int i;
struct req_que *req;
uint16_t que_id;
cmd = sp->cmd;
@ -175,8 +174,7 @@ 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];
req = sp->que;
cmd_pkt->control_flags |= cpu_to_le16(qla2x00_get_cmd_direction(sp));
@ -223,7 +221,6 @@ void qla2x00_build_scsi_iocbs_64(srb_t *sp, cmd_entry_t *cmd_pkt,
struct scatterlist *sg;
int i;
struct req_que *req;
uint16_t que_id;
cmd = sp->cmd;
@ -238,8 +235,7 @@ 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];
req = sp->que;
cmd_pkt->control_flags |= cpu_to_le16(qla2x00_get_cmd_direction(sp));
@ -358,6 +354,7 @@ qla2x00_start_scsi(srb_t *sp)
req->current_outstanding_cmd = handle;
req->outstanding_cmds[handle] = sp;
sp->vha = vha;
sp->que = req;
sp->cmd->host_scribble = (unsigned char *)(unsigned long)handle;
req->cnt -= req_cnt;
@ -573,6 +570,7 @@ qla2x00_isp_cmd(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;
DEBUG5(printk("%s(): IOCB data:\n", __func__));
DEBUG5(qla2x00_dump_buffer(
@ -587,8 +585,10 @@ qla2x00_isp_cmd(struct scsi_qla_host *vha, struct req_que *req)
req->ring_ptr++;
/* Set chip new ring index. */
if (ha->mqenable)
RD_REG_DWORD(&reg->isp25mq.req_q_out);
if (ha->mqenable) {
WRT_REG_DWORD(&reg->isp25mq.req_q_in, req->ring_index);
RD_REG_DWORD(&ioreg->hccr);
}
else {
if (IS_FWI2_CAPABLE(ha)) {
WRT_REG_DWORD(&reg->isp24.req_q_in, req->ring_index);
@ -642,7 +642,6 @@ 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;
@ -658,8 +657,7 @@ 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];
req = sp->que;
/* Set transfer direction */
if (cmd->sc_data_direction == DMA_TO_DEVICE) {
@ -727,7 +725,6 @@ qla24xx_start_scsi(srb_t *sp)
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. */
@ -735,7 +732,7 @@ qla24xx_start_scsi(srb_t *sp)
que_id = vha->req_ques[0];
req = ha->req_q_map[que_id];
reg = ISP_QUE_REG(ha, req->id);
sp->que = req;
if (req->rsp)
rsp = req->rsp;
@ -780,12 +777,7 @@ qla24xx_start_scsi(srb_t *sp)
req_cnt = qla24xx_calc_iocbs(tot_dsds);
if (req->cnt < (req_cnt + 2)) {
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);
cnt = ha->isp_ops->rd_req_reg(ha, req->id);
if (req->ring_index < cnt)
req->cnt = cnt - req->ring_index;
@ -846,12 +838,7 @@ qla24xx_start_scsi(srb_t *sp)
sp->flags |= SRB_DMA_VALID;
/* Set chip new ring index. */
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);
}
ha->isp_ops->wrt_req_reg(ha, req->id, req->ring_index);
/* Manage unprocessed RIO/ZIO commands in response queue. */
if (vha->flags.process_response_queue &&
@ -870,3 +857,34 @@ queuing_error:
return QLA_FUNCTION_FAILED;
}
uint16_t
qla24xx_rd_req_reg(struct qla_hw_data *ha, uint16_t id)
{
device_reg_t __iomem *reg = (void *) ha->iobase;
return RD_REG_DWORD_RELAXED(&reg->isp24.req_q_out);
}
uint16_t
qla25xx_rd_req_reg(struct qla_hw_data *ha, uint16_t id)
{
device_reg_t __iomem *reg = (void *) ha->mqiobase + QLA_QUE_PAGE * id;
return RD_REG_DWORD_RELAXED(&reg->isp25mq.req_q_out);
}
void
qla24xx_wrt_req_reg(struct qla_hw_data *ha, uint16_t id, uint16_t index)
{
device_reg_t __iomem *reg = (void *) ha->iobase;
WRT_REG_DWORD(&reg->isp24.req_q_in, index);
RD_REG_DWORD_RELAXED(&reg->isp24.req_q_in);
}
void
qla25xx_wrt_req_reg(struct qla_hw_data *ha, uint16_t id, uint16_t index)
{
device_reg_t __iomem *reg = (void *) ha->mqiobase + QLA_QUE_PAGE * id;
struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
WRT_REG_DWORD(&reg->isp25mq.req_q_in, index);
RD_REG_DWORD(&ioreg->hccr); /* PCI posting */
}

22
drivers/scsi/qla2xxx/qla_isr.c
Просмотреть файл

@ -1446,7 +1446,6 @@ void
qla24xx_process_response_queue(struct rsp_que *rsp)
{
struct qla_hw_data *ha = rsp->hw;
device_reg_t __iomem *reg = ISP_QUE_REG(ha, rsp->id);
struct sts_entry_24xx *pkt;
struct scsi_qla_host *vha;
@ -1500,10 +1499,7 @@ qla24xx_process_response_queue(struct rsp_que *rsp)
}
/* Adjust ring index */
if (ha->mqenable)
WRT_REG_DWORD(&reg->isp25mq.rsp_q_out, rsp->ring_index);
else
WRT_REG_DWORD(&reg->isp24.rsp_q_out, rsp->ring_index);
ha->isp_ops->wrt_rsp_reg(ha, rsp->id, rsp->ring_index);
}
static void
@ -1702,7 +1698,7 @@ qla25xx_msix_rsp_q(int irq, void *dev_id)
if (!rsp->id)
msix_disabled_hccr &= __constant_cpu_to_le32(BIT_22);
else
msix_disabled_hccr &= BIT_6;
msix_disabled_hccr &= __constant_cpu_to_le32(BIT_6);
qla24xx_process_response_queue(rsp);
@ -2077,3 +2073,17 @@ int qla25xx_request_irq(struct rsp_que *rsp)
return ret;
}
void
qla25xx_wrt_rsp_reg(struct qla_hw_data *ha, uint16_t id, uint16_t index)
{
device_reg_t __iomem *reg = (void *) ha->mqiobase + QLA_QUE_PAGE * id;
WRT_REG_DWORD(&reg->isp25mq.rsp_q_out, index);
}
void
qla24xx_wrt_rsp_reg(struct qla_hw_data *ha, uint16_t id, uint16_t index)
{
device_reg_t __iomem *reg = (void *) ha->iobase;
WRT_REG_DWORD(&reg->isp24.rsp_q_out, index);
}

4
drivers/scsi/qla2xxx/qla_mbx.c
Просмотреть файл

@ -3129,7 +3129,7 @@ qla25xx_init_req_que(struct scsi_qla_host *vha, struct req_que *req,
}
spin_unlock_irqrestore(&ha->hardware_lock, flags);
rval = (int)qla2x00_mailbox_command(vha, mcp);
rval = qla2x00_mailbox_command(vha, mcp);
if (rval != QLA_SUCCESS)
DEBUG2_3_11(printk(KERN_WARNING "%s(%ld): failed=%x mb0=%x.\n",
__func__, vha->host_no, rval, mcp->mb[0]));
@ -3180,7 +3180,7 @@ qla25xx_init_rsp_que(struct scsi_qla_host *vha, struct rsp_que *rsp,
spin_unlock_irqrestore(&ha->hardware_lock, flags);
rval = (int)qla2x00_mailbox_command(vha, mcp);
rval = qla2x00_mailbox_command(vha, mcp);
if (rval != QLA_SUCCESS)
DEBUG2_3_11(printk(KERN_WARNING "%s(%ld): failed=%x "
"mb0=%x.\n", __func__,

176
drivers/scsi/qla2xxx/qla_os.c
Просмотреть файл

@ -441,6 +441,7 @@ qla2x00_get_new_sp(scsi_qla_host_t *vha, fc_port_t *fcport,
sp->vha = vha;
sp->fcport = fcport;
sp->cmd = cmd;
sp->que = ha->req_q_map[0];
sp->flags = 0;
CMD_SP(cmd) = (void *)sp;
cmd->scsi_done = done;
@ -775,13 +776,14 @@ qla2xxx_eh_abort(struct scsi_cmnd *cmd)
{
scsi_qla_host_t *vha = shost_priv(cmd->device->host);
srb_t *sp;
int ret, i, que;
int ret, i;
unsigned int id, lun;
unsigned long serial;
unsigned long flags;
int wait = 0;
struct qla_hw_data *ha = vha->hw;
struct req_que *req;
srb_t *spt;
qla2x00_block_error_handler(cmd);
@ -793,37 +795,36 @@ qla2xxx_eh_abort(struct scsi_cmnd *cmd)
id = cmd->device->id;
lun = cmd->device->lun;
serial = cmd->serial_number;
spt = (srb_t *) CMD_SP(cmd);
if (!spt)
return SUCCESS;
req = spt->que;
/* Check active list for command command. */
spin_lock_irqsave(&ha->hardware_lock, flags);
for (que = 0; que < QLA_MAX_HOST_QUES; que++) {
req = ha->req_q_map[vha->req_ques[que]];
if (!req)
for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) {
sp = req->outstanding_cmds[i];
if (sp == NULL)
continue;
for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) {
sp = req->outstanding_cmds[i];
if (sp == NULL)
continue;
if (sp->cmd != cmd)
continue;
if (sp->cmd != cmd)
continue;
DEBUG2(printk("%s(%ld): aborting sp %p from RISC."
" pid=%ld.\n", __func__, vha->host_no, sp, serial));
DEBUG2(printk("%s(%ld): aborting sp %p from RISC."
" pid=%ld.\n", __func__, vha->host_no, sp, serial));
spin_unlock_irqrestore(&ha->hardware_lock, flags);
if (ha->isp_ops->abort_command(vha, sp, req)) {
DEBUG2(printk("%s(%ld): abort_command "
"mbx failed.\n", __func__, vha->host_no));
} else {
DEBUG3(printk("%s(%ld): abort_command "
"mbx success.\n", __func__, vha->host_no));
wait = 1;
}
spin_lock_irqsave(&ha->hardware_lock, flags);
break;
spin_unlock_irqrestore(&ha->hardware_lock, flags);
if (ha->isp_ops->abort_command(vha, sp, req)) {
DEBUG2(printk("%s(%ld): abort_command "
"mbx failed.\n", __func__, vha->host_no));
} else {
DEBUG3(printk("%s(%ld): abort_command "
"mbx success.\n", __func__, vha->host_no));
wait = 1;
}
spin_lock_irqsave(&ha->hardware_lock, flags);
break;
}
spin_unlock_irqrestore(&ha->hardware_lock, flags);
@ -852,48 +853,46 @@ enum nexus_wait_type {
static int
qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t,
unsigned int l, enum nexus_wait_type type)
unsigned int l, srb_t *sp, enum nexus_wait_type type)
{
int cnt, match, status, que;
srb_t *sp;
int cnt, match, status;
unsigned long flags;
struct qla_hw_data *ha = vha->hw;
struct req_que *req;
status = QLA_SUCCESS;
if (!sp)
return status;
spin_lock_irqsave(&ha->hardware_lock, flags);
for (que = 0; que < QLA_MAX_HOST_QUES; que++) {
req = ha->req_q_map[vha->req_ques[que]];
if (!req)
req = sp->que;
for (cnt = 1; status == QLA_SUCCESS &&
cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
sp = req->outstanding_cmds[cnt];
if (!sp)
continue;
for (cnt = 1; status == QLA_SUCCESS &&
cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
sp = req->outstanding_cmds[cnt];
if (!sp)
continue;
if (vha->vp_idx != sp->fcport->vha->vp_idx)
continue;
match = 0;
switch (type) {
case WAIT_HOST:
match = 1;
break;
case WAIT_TARGET:
match = sp->cmd->device->id == t;
break;
case WAIT_LUN:
match = (sp->cmd->device->id == t &&
sp->cmd->device->lun == l);
break;
}
if (!match)
continue;
spin_unlock_irqrestore(&ha->hardware_lock, flags);
status = qla2x00_eh_wait_on_command(sp->cmd);
spin_lock_irqsave(&ha->hardware_lock, flags);
if (vha->vp_idx != sp->fcport->vha->vp_idx)
continue;
match = 0;
switch (type) {
case WAIT_HOST:
match = 1;
break;
case WAIT_TARGET:
match = sp->cmd->device->id == t;
break;
case WAIT_LUN:
match = (sp->cmd->device->id == t &&
sp->cmd->device->lun == l);
break;
}
if (!match)
continue;
spin_unlock_irqrestore(&ha->hardware_lock, flags);
status = qla2x00_eh_wait_on_command(sp->cmd);
spin_lock_irqsave(&ha->hardware_lock, flags);
}
spin_unlock_irqrestore(&ha->hardware_lock, flags);
@ -934,7 +933,7 @@ __qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
goto eh_reset_failed;
err = 3;
if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id,
cmd->device->lun, type) != QLA_SUCCESS)
cmd->device->lun, (srb_t *) CMD_SP(cmd), type) != QLA_SUCCESS)
goto eh_reset_failed;
qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET SUCCEEDED.\n",
@ -992,6 +991,7 @@ qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
int ret = FAILED;
unsigned int id, lun;
unsigned long serial;
srb_t *sp = (srb_t *) CMD_SP(cmd);
qla2x00_block_error_handler(cmd);
@ -1018,7 +1018,7 @@ qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
goto eh_bus_reset_done;
/* Flush outstanding commands. */
if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) !=
if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, sp, WAIT_HOST) !=
QLA_SUCCESS)
ret = FAILED;
@ -1053,6 +1053,7 @@ qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
int ret = FAILED;
unsigned int id, lun;
unsigned long serial;
srb_t *sp = (srb_t *) CMD_SP(cmd);
scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
qla2x00_block_error_handler(cmd);
@ -1096,7 +1097,7 @@ qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
}
/* Waiting for command to be returned to OS.*/
if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) ==
if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, sp, WAIT_HOST) ==
QLA_SUCCESS)
ret = SUCCESS;
@ -1368,6 +1369,9 @@ static struct isp_operations qla2100_isp_ops = {
.write_optrom = qla2x00_write_optrom_data,
.get_flash_version = qla2x00_get_flash_version,
.start_scsi = qla2x00_start_scsi,
.wrt_req_reg = NULL,
.wrt_rsp_reg = NULL,
.rd_req_reg = NULL,
};
static struct isp_operations qla2300_isp_ops = {
@ -1403,6 +1407,9 @@ static struct isp_operations qla2300_isp_ops = {
.write_optrom = qla2x00_write_optrom_data,
.get_flash_version = qla2x00_get_flash_version,
.start_scsi = qla2x00_start_scsi,
.wrt_req_reg = NULL,
.wrt_rsp_reg = NULL,
.rd_req_reg = NULL,
};
static struct isp_operations qla24xx_isp_ops = {
@ -1438,6 +1445,9 @@ static struct isp_operations qla24xx_isp_ops = {
.write_optrom = qla24xx_write_optrom_data,
.get_flash_version = qla24xx_get_flash_version,
.start_scsi = qla24xx_start_scsi,
.wrt_req_reg = qla24xx_wrt_req_reg,
.wrt_rsp_reg = qla24xx_wrt_rsp_reg,
.rd_req_reg = qla24xx_rd_req_reg,
};
static struct isp_operations qla25xx_isp_ops = {
@ -1473,6 +1483,9 @@ static struct isp_operations qla25xx_isp_ops = {
.write_optrom = qla24xx_write_optrom_data,
.get_flash_version = qla24xx_get_flash_version,
.start_scsi = qla24xx_start_scsi,
.wrt_req_reg = qla24xx_wrt_req_reg,
.wrt_rsp_reg = qla24xx_wrt_rsp_reg,
.rd_req_reg = qla24xx_rd_req_reg,
};
static inline void
@ -1616,26 +1629,27 @@ skip_pio:
/* Determine queue resources */
ha->max_queues = 1;
if (ql2xmaxqueues > 1) {
ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3),
pci_resource_len(ha->pdev, 3));
if (ha->mqiobase) {
/* Read MSIX vector size of the board */
pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL,
&msix);
ha->msix_count = msix;
/* Max queues are bounded by available msix vectors */
/* queue 0 uses two msix vectors */
if (ha->msix_count - 1 < ql2xmaxqueues)
ha->max_queues = ha->msix_count - 1;
else if (ql2xmaxqueues > QLA_MQ_SIZE)
ha->max_queues = QLA_MQ_SIZE;
else
ha->max_queues = ql2xmaxqueues;
qla_printk(KERN_INFO, ha,
"MSI-X vector count: %d\n", msix);
}
if (ql2xmaxqueues <= 1 || !IS_QLA25XX(ha))
goto mqiobase_exit;
ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3),
pci_resource_len(ha->pdev, 3));
if (ha->mqiobase) {
/* Read MSIX vector size of the board */
pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix);
ha->msix_count = msix;
/* Max queues are bounded by available msix vectors */
/* queue 0 uses two msix vectors */
if (ha->msix_count - 1 < ql2xmaxqueues)
ha->max_queues = ha->msix_count - 1;
else if (ql2xmaxqueues > QLA_MQ_SIZE)
ha->max_queues = QLA_MQ_SIZE;
else
ha->max_queues = ql2xmaxqueues;
qla_printk(KERN_INFO, ha,
"MSI-X vector count: %d\n", msix);
}
mqiobase_exit:
ha->msix_count = ha->max_queues + 1;
return (0);
@ -1852,6 +1866,12 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
ha->rsp_q_map[0] = rsp;
ha->req_q_map[0] = req;
if (ha->mqenable) {
ha->isp_ops->wrt_req_reg = qla25xx_wrt_req_reg;
ha->isp_ops->wrt_rsp_reg = qla25xx_wrt_rsp_reg;
ha->isp_ops->rd_req_reg = qla25xx_rd_req_reg;
}
if (qla2x00_initialize_adapter(base_vha)) {
qla_printk(KERN_WARNING, ha,
"Failed to initialize adapter\n");