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authorAnirban Chakraborty <anirban.chakraborty@qlogic.com>2009-04-06 22:33:40 -0700
committerJames Bottomley <James.Bottomley@HansenPartnership.com>2009-05-20 17:21:07 -0500
commit2afa19a9377ca61b9489e44bf50029574fbe63be (patch)
treecdfa3878eb04d833bbcd9ce92196bc4456b5ccf5 /drivers/scsi/qla2xxx/qla_mbx.c
parent7640335ea5b1a2da0d64303e6003012c619ae01a (diff)
[SCSI] qla2xxx: Add QoS support.
Set the number of request queues to the module paramater ql2xmaxqueues. Each vport gets a request queue. The QoS value set to the request queues determines priority control for queued IOs. If QoS value is not specified, the vports use the default queue 0. Signed-off-by: Anirban Chakraborty <anirban.chakraborty@qlogic.com> Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_mbx.c')
-rw-r--r--drivers/scsi/qla2xxx/qla_mbx.c63
1 files changed, 40 insertions, 23 deletions
diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c
index 4f7e94c4daa..bfdc89f8569 100644
--- a/drivers/scsi/qla2xxx/qla_mbx.c
+++ b/drivers/scsi/qla2xxx/qla_mbx.c
@@ -748,20 +748,20 @@ qla2x00_issue_iocb(scsi_qla_host_t *vha, void *buffer, dma_addr_t phys_addr,
* Kernel context.
*/
int
-qla2x00_abort_command(scsi_qla_host_t *vha, srb_t *sp, struct req_que *req)
+qla2x00_abort_command(srb_t *sp)
{
unsigned long flags = 0;
- fc_port_t *fcport;
int rval;
uint32_t handle = 0;
mbx_cmd_t mc;
mbx_cmd_t *mcp = &mc;
+ fc_port_t *fcport = sp->fcport;
+ scsi_qla_host_t *vha = fcport->vha;
struct qla_hw_data *ha = vha->hw;
+ struct req_que *req = vha->req;
DEBUG11(printk("qla2x00_abort_command(%ld): entered.\n", vha->host_no));
- fcport = sp->fcport;
-
spin_lock_irqsave(&ha->hardware_lock, flags);
for (handle = 1; handle < MAX_OUTSTANDING_COMMANDS; handle++) {
if (req->outstanding_cmds[handle] == sp)
@@ -800,7 +800,7 @@ qla2x00_abort_command(scsi_qla_host_t *vha, srb_t *sp, struct req_que *req)
}
int
-qla2x00_abort_target(struct fc_port *fcport, unsigned int l)
+qla2x00_abort_target(struct fc_port *fcport, unsigned int l, int tag)
{
int rval, rval2;
mbx_cmd_t mc;
@@ -813,8 +813,8 @@ qla2x00_abort_target(struct fc_port *fcport, unsigned int l)
l = l;
vha = fcport->vha;
- req = vha->hw->req_q_map[0];
- rsp = vha->hw->rsp_q_map[0];
+ req = vha->hw->req_q_map[tag];
+ rsp = vha->hw->rsp_q_map[tag];
mcp->mb[0] = MBC_ABORT_TARGET;
mcp->out_mb = MBX_9|MBX_2|MBX_1|MBX_0;
if (HAS_EXTENDED_IDS(vha->hw)) {
@@ -850,7 +850,7 @@ qla2x00_abort_target(struct fc_port *fcport, unsigned int l)
}
int
-qla2x00_lun_reset(struct fc_port *fcport, unsigned int l)
+qla2x00_lun_reset(struct fc_port *fcport, unsigned int l, int tag)
{
int rval, rval2;
mbx_cmd_t mc;
@@ -862,8 +862,8 @@ qla2x00_lun_reset(struct fc_port *fcport, unsigned int l)
DEBUG11(printk("%s(%ld): entered.\n", __func__, fcport->vha->host_no));
vha = fcport->vha;
- req = vha->hw->req_q_map[0];
- rsp = vha->hw->rsp_q_map[0];
+ req = vha->hw->req_q_map[tag];
+ rsp = vha->hw->rsp_q_map[tag];
mcp->mb[0] = MBC_LUN_RESET;
mcp->out_mb = MBX_9|MBX_3|MBX_2|MBX_1|MBX_0;
if (HAS_EXTENDED_IDS(vha->hw))
@@ -1492,9 +1492,14 @@ qla24xx_login_fabric(scsi_qla_host_t *vha, uint16_t loop_id, uint8_t domain,
dma_addr_t lg_dma;
uint32_t iop[2];
struct qla_hw_data *ha = vha->hw;
+ struct req_que *req;
+ struct rsp_que *rsp;
DEBUG11(printk("%s(%ld): entered.\n", __func__, vha->host_no));
+ req = vha->req;
+ rsp = req->rsp;
+
lg = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &lg_dma);
if (lg == NULL) {
DEBUG2_3(printk("%s(%ld): failed to allocate Login IOCB.\n",
@@ -1505,6 +1510,7 @@ qla24xx_login_fabric(scsi_qla_host_t *vha, uint16_t loop_id, uint8_t domain,
lg->entry_type = LOGINOUT_PORT_IOCB_TYPE;
lg->entry_count = 1;
+ lg->handle = MAKE_HANDLE(req->id, lg->handle);
lg->nport_handle = cpu_to_le16(loop_id);
lg->control_flags = __constant_cpu_to_le16(LCF_COMMAND_PLOGI);
if (opt & BIT_0)
@@ -1753,6 +1759,8 @@ qla24xx_fabric_logout(scsi_qla_host_t *vha, uint16_t loop_id, uint8_t domain,
struct logio_entry_24xx *lg;
dma_addr_t lg_dma;
struct qla_hw_data *ha = vha->hw;
+ struct req_que *req;
+ struct rsp_que *rsp;
DEBUG11(printk("%s(%ld): entered.\n", __func__, vha->host_no));
@@ -1764,8 +1772,14 @@ qla24xx_fabric_logout(scsi_qla_host_t *vha, uint16_t loop_id, uint8_t domain,
}
memset(lg, 0, sizeof(struct logio_entry_24xx));
+ if (ql2xmaxqueues > 1)
+ req = ha->req_q_map[0];
+ else
+ req = vha->req;
+ rsp = req->rsp;
lg->entry_type = LOGINOUT_PORT_IOCB_TYPE;
lg->entry_count = 1;
+ lg->handle = MAKE_HANDLE(req->id, lg->handle);
lg->nport_handle = cpu_to_le16(loop_id);
lg->control_flags =
__constant_cpu_to_le16(LCF_COMMAND_LOGO|LCF_IMPL_LOGO);
@@ -2204,21 +2218,21 @@ qla24xx_get_isp_stats(scsi_qla_host_t *vha, struct link_statistics *stats,
}
int
-qla24xx_abort_command(scsi_qla_host_t *vha, srb_t *sp, struct req_que *req)
+qla24xx_abort_command(srb_t *sp)
{
int rval;
- fc_port_t *fcport;
unsigned long flags = 0;
struct abort_entry_24xx *abt;
dma_addr_t abt_dma;
uint32_t handle;
+ fc_port_t *fcport = sp->fcport;
+ struct scsi_qla_host *vha = fcport->vha;
struct qla_hw_data *ha = vha->hw;
+ struct req_que *req = sp->que;
DEBUG11(printk("%s(%ld): entered.\n", __func__, vha->host_no));
- fcport = sp->fcport;
-
spin_lock_irqsave(&ha->hardware_lock, flags);
for (handle = 1; handle < MAX_OUTSTANDING_COMMANDS; handle++) {
if (req->outstanding_cmds[handle] == sp)
@@ -2240,6 +2254,7 @@ qla24xx_abort_command(scsi_qla_host_t *vha, srb_t *sp, struct req_que *req)
abt->entry_type = ABORT_IOCB_TYPE;
abt->entry_count = 1;
+ abt->handle = MAKE_HANDLE(req->id, abt->handle);
abt->nport_handle = cpu_to_le16(fcport->loop_id);
abt->handle_to_abort = handle;
abt->port_id[0] = fcport->d_id.b.al_pa;
@@ -2281,7 +2296,7 @@ struct tsk_mgmt_cmd {
static int
__qla24xx_issue_tmf(char *name, uint32_t type, struct fc_port *fcport,
- unsigned int l)
+ unsigned int l, int tag)
{
int rval, rval2;
struct tsk_mgmt_cmd *tsk;
@@ -2295,8 +2310,8 @@ __qla24xx_issue_tmf(char *name, uint32_t type, struct fc_port *fcport,
vha = fcport->vha;
ha = vha->hw;
- req = ha->req_q_map[0];
- rsp = ha->rsp_q_map[0];
+ req = vha->req;
+ rsp = req->rsp;
tsk = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &tsk_dma);
if (tsk == NULL) {
DEBUG2_3(printk("%s(%ld): failed to allocate Task Management "
@@ -2307,6 +2322,7 @@ __qla24xx_issue_tmf(char *name, uint32_t type, struct fc_port *fcport,
tsk->p.tsk.entry_type = TSK_MGMT_IOCB_TYPE;
tsk->p.tsk.entry_count = 1;
+ tsk->p.tsk.handle = MAKE_HANDLE(req->id, tsk->p.tsk.handle);
tsk->p.tsk.nport_handle = cpu_to_le16(fcport->loop_id);
tsk->p.tsk.timeout = cpu_to_le16(ha->r_a_tov / 10 * 2);
tsk->p.tsk.control_flags = cpu_to_le32(type);
@@ -2353,15 +2369,15 @@ __qla24xx_issue_tmf(char *name, uint32_t type, struct fc_port *fcport,
}
int
-qla24xx_abort_target(struct fc_port *fcport, unsigned int l)
+qla24xx_abort_target(struct fc_port *fcport, unsigned int l, int tag)
{
- return __qla24xx_issue_tmf("Target", TCF_TARGET_RESET, fcport, l);
+ return __qla24xx_issue_tmf("Target", TCF_TARGET_RESET, fcport, l, tag);
}
int
-qla24xx_lun_reset(struct fc_port *fcport, unsigned int l)
+qla24xx_lun_reset(struct fc_port *fcport, unsigned int l, int tag)
{
- return __qla24xx_issue_tmf("Lun", TCF_LUN_RESET, fcport, l);
+ return __qla24xx_issue_tmf("Lun", TCF_LUN_RESET, fcport, l, tag);
}
int
@@ -3150,6 +3166,8 @@ qla25xx_init_req_que(struct scsi_qla_host *vha, struct req_que *req)
WRT_REG_DWORD(&reg->req_q_in, 0);
WRT_REG_DWORD(&reg->req_q_out, 0);
}
+ req->req_q_in = &reg->req_q_in;
+ req->req_q_out = &reg->req_q_out;
spin_unlock_irqrestore(&ha->hardware_lock, flags);
rval = qla2x00_mailbox_command(vha, mcp);
@@ -3176,7 +3194,6 @@ qla25xx_init_rsp_que(struct scsi_qla_host *vha, struct rsp_que *rsp)
mcp->mb[6] = MSW(MSD(rsp->dma));
mcp->mb[7] = LSW(MSD(rsp->dma));
mcp->mb[5] = rsp->length;
- mcp->mb[11] = rsp->vp_idx;
mcp->mb[14] = rsp->msix->entry;
mcp->mb[13] = rsp->rid;
@@ -3188,7 +3205,7 @@ qla25xx_init_rsp_que(struct scsi_qla_host *vha, struct rsp_que *rsp)
mcp->mb[8] = 0;
/* que out ptr index */
mcp->mb[9] = 0;
- mcp->out_mb = MBX_14|MBX_13|MBX_12|MBX_11|MBX_10|MBX_9|MBX_8|MBX_7
+ mcp->out_mb = MBX_14|MBX_13|MBX_9|MBX_8|MBX_7
|MBX_6|MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0;
mcp->in_mb = MBX_0;
mcp->flags = MBX_DMA_OUT;