summaryrefslogtreecommitdiffstats
path: root/drivers/scsi/pm8001/pm8001_sas.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/scsi/pm8001/pm8001_sas.c')
-rw-r--r--drivers/scsi/pm8001/pm8001_sas.c149
1 files changed, 66 insertions, 83 deletions
diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm8001_sas.c
index 9889bab7d31c..d1e9dba2ef19 100644
--- a/drivers/scsi/pm8001/pm8001_sas.c
+++ b/drivers/scsi/pm8001/pm8001_sas.c
@@ -250,8 +250,7 @@ int pm8001_phy_control(struct asd_sas_phy *sas_phy, enum phy_func func,
spin_unlock_irqrestore(&pm8001_ha->lock, flags);
return 0;
default:
- PM8001_DEVIO_DBG(pm8001_ha,
- pm8001_printk("func 0x%x\n", func));
+ pm8001_dbg(pm8001_ha, DEVIO, "func 0x%x\n", func);
rc = -EOPNOTSUPP;
}
msleep(300);
@@ -405,7 +404,7 @@ static int pm8001_task_exec(struct sas_task *task,
t->task_done(t);
return 0;
}
- PM8001_IO_DBG(pm8001_ha, pm8001_printk("pm8001_task_exec device \n "));
+ pm8001_dbg(pm8001_ha, IO, "pm8001_task_exec device\n");
spin_lock_irqsave(&pm8001_ha->lock, flags);
do {
dev = t->dev;
@@ -456,9 +455,11 @@ static int pm8001_task_exec(struct sas_task *task,
ccb->device = pm8001_dev;
switch (task_proto) {
case SAS_PROTOCOL_SMP:
+ atomic_inc(&pm8001_dev->running_req);
rc = pm8001_task_prep_smp(pm8001_ha, ccb);
break;
case SAS_PROTOCOL_SSP:
+ atomic_inc(&pm8001_dev->running_req);
if (is_tmf)
rc = pm8001_task_prep_ssp_tm(pm8001_ha,
ccb, tmf);
@@ -467,6 +468,7 @@ static int pm8001_task_exec(struct sas_task *task,
break;
case SAS_PROTOCOL_SATA:
case SAS_PROTOCOL_STP:
+ atomic_inc(&pm8001_dev->running_req);
rc = pm8001_task_prep_ata(pm8001_ha, ccb);
break;
default:
@@ -477,15 +479,14 @@ static int pm8001_task_exec(struct sas_task *task,
}
if (rc) {
- PM8001_IO_DBG(pm8001_ha,
- pm8001_printk("rc is %x\n", rc));
+ pm8001_dbg(pm8001_ha, IO, "rc is %x\n", rc);
+ atomic_dec(&pm8001_dev->running_req);
goto err_out_tag;
}
/* TODO: select normal or high priority */
spin_lock(&t->task_state_lock);
t->task_state_flags |= SAS_TASK_AT_INITIATOR;
spin_unlock(&t->task_state_lock);
- pm8001_dev->running_req++;
} while (0);
rc = 0;
goto out_done;
@@ -567,9 +568,9 @@ static struct pm8001_device *pm8001_alloc_dev(struct pm8001_hba_info *pm8001_ha)
}
}
if (dev == PM8001_MAX_DEVICES) {
- PM8001_FAIL_DBG(pm8001_ha,
- pm8001_printk("max support %d devices, ignore ..\n",
- PM8001_MAX_DEVICES));
+ pm8001_dbg(pm8001_ha, FAIL,
+ "max support %d devices, ignore ..\n",
+ PM8001_MAX_DEVICES);
}
return NULL;
}
@@ -587,8 +588,7 @@ struct pm8001_device *pm8001_find_dev(struct pm8001_hba_info *pm8001_ha,
return &pm8001_ha->devices[dev];
}
if (dev == PM8001_MAX_DEVICES) {
- PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("NO MATCHING "
- "DEVICE FOUND !!!\n"));
+ pm8001_dbg(pm8001_ha, FAIL, "NO MATCHING DEVICE FOUND !!!\n");
}
return NULL;
}
@@ -649,10 +649,10 @@ static int pm8001_dev_found_notify(struct domain_device *dev)
}
}
if (phy_id == parent_dev->ex_dev.num_phys) {
- PM8001_FAIL_DBG(pm8001_ha,
- pm8001_printk("Error: no attached dev:%016llx"
- " at ex:%016llx.\n", SAS_ADDR(dev->sas_addr),
- SAS_ADDR(parent_dev->sas_addr)));
+ pm8001_dbg(pm8001_ha, FAIL,
+ "Error: no attached dev:%016llx at ex:%016llx.\n",
+ SAS_ADDR(dev->sas_addr),
+ SAS_ADDR(parent_dev->sas_addr));
res = -1;
}
} else {
@@ -662,7 +662,7 @@ static int pm8001_dev_found_notify(struct domain_device *dev)
flag = 1; /* directly sata */
}
} /*register this device to HBA*/
- PM8001_DISC_DBG(pm8001_ha, pm8001_printk("Found device\n"));
+ pm8001_dbg(pm8001_ha, DISC, "Found device\n");
PM8001_CHIP_DISP->reg_dev_req(pm8001_ha, pm8001_device, flag);
spin_unlock_irqrestore(&pm8001_ha->lock, flags);
wait_for_completion(&completion);
@@ -734,9 +734,7 @@ static int pm8001_exec_internal_tmf_task(struct domain_device *dev,
if (res) {
del_timer(&task->slow_task->timer);
- PM8001_FAIL_DBG(pm8001_ha,
- pm8001_printk("Executing internal task "
- "failed\n"));
+ pm8001_dbg(pm8001_ha, FAIL, "Executing internal task failed\n");
goto ex_err;
}
wait_for_completion(&task->slow_task->completion);
@@ -750,9 +748,9 @@ static int pm8001_exec_internal_tmf_task(struct domain_device *dev,
/* Even TMF timed out, return direct. */
if ((task->task_state_flags & SAS_TASK_STATE_ABORTED)) {
if (!(task->task_state_flags & SAS_TASK_STATE_DONE)) {
- PM8001_FAIL_DBG(pm8001_ha,
- pm8001_printk("TMF task[%x]timeout.\n",
- tmf->tmf));
+ pm8001_dbg(pm8001_ha, FAIL,
+ "TMF task[%x]timeout.\n",
+ tmf->tmf);
goto ex_err;
}
}
@@ -773,17 +771,15 @@ static int pm8001_exec_internal_tmf_task(struct domain_device *dev,
if (task->task_status.resp == SAS_TASK_COMPLETE &&
task->task_status.stat == SAS_DATA_OVERRUN) {
- PM8001_FAIL_DBG(pm8001_ha,
- pm8001_printk("Blocked task error.\n"));
+ pm8001_dbg(pm8001_ha, FAIL, "Blocked task error.\n");
res = -EMSGSIZE;
break;
} else {
- PM8001_EH_DBG(pm8001_ha,
- pm8001_printk(" Task to dev %016llx response:"
- "0x%x status 0x%x\n",
- SAS_ADDR(dev->sas_addr),
- task->task_status.resp,
- task->task_status.stat));
+ pm8001_dbg(pm8001_ha, EH,
+ " Task to dev %016llx response:0x%x status 0x%x\n",
+ SAS_ADDR(dev->sas_addr),
+ task->task_status.resp,
+ task->task_status.stat);
sas_free_task(task);
task = NULL;
}
@@ -830,9 +826,7 @@ pm8001_exec_internal_task_abort(struct pm8001_hba_info *pm8001_ha,
if (res) {
del_timer(&task->slow_task->timer);
- PM8001_FAIL_DBG(pm8001_ha,
- pm8001_printk("Executing internal task "
- "failed\n"));
+ pm8001_dbg(pm8001_ha, FAIL, "Executing internal task failed\n");
goto ex_err;
}
wait_for_completion(&task->slow_task->completion);
@@ -840,8 +834,8 @@ pm8001_exec_internal_task_abort(struct pm8001_hba_info *pm8001_ha,
/* Even TMF timed out, return direct. */
if ((task->task_state_flags & SAS_TASK_STATE_ABORTED)) {
if (!(task->task_state_flags & SAS_TASK_STATE_DONE)) {
- PM8001_FAIL_DBG(pm8001_ha,
- pm8001_printk("TMF task timeout.\n"));
+ pm8001_dbg(pm8001_ha, FAIL,
+ "TMF task timeout.\n");
goto ex_err;
}
}
@@ -852,12 +846,11 @@ pm8001_exec_internal_task_abort(struct pm8001_hba_info *pm8001_ha,
break;
} else {
- PM8001_EH_DBG(pm8001_ha,
- pm8001_printk(" Task to dev %016llx response: "
- "0x%x status 0x%x\n",
- SAS_ADDR(dev->sas_addr),
- task->task_status.resp,
- task->task_status.stat));
+ pm8001_dbg(pm8001_ha, EH,
+ " Task to dev %016llx response: 0x%x status 0x%x\n",
+ SAS_ADDR(dev->sas_addr),
+ task->task_status.resp,
+ task->task_status.stat);
sas_free_task(task);
task = NULL;
}
@@ -883,22 +876,20 @@ static void pm8001_dev_gone_notify(struct domain_device *dev)
if (pm8001_dev) {
u32 device_id = pm8001_dev->device_id;
- PM8001_DISC_DBG(pm8001_ha,
- pm8001_printk("found dev[%d:%x] is gone.\n",
- pm8001_dev->device_id, pm8001_dev->dev_type));
- if (pm8001_dev->running_req) {
+ pm8001_dbg(pm8001_ha, DISC, "found dev[%d:%x] is gone.\n",
+ pm8001_dev->device_id, pm8001_dev->dev_type);
+ if (atomic_read(&pm8001_dev->running_req)) {
spin_unlock_irqrestore(&pm8001_ha->lock, flags);
pm8001_exec_internal_task_abort(pm8001_ha, pm8001_dev ,
dev, 1, 0);
- while (pm8001_dev->running_req)
+ while (atomic_read(&pm8001_dev->running_req))
msleep(20);
spin_lock_irqsave(&pm8001_ha->lock, flags);
}
PM8001_CHIP_DISP->dereg_dev_req(pm8001_ha, device_id);
pm8001_free_dev(pm8001_dev);
} else {
- PM8001_DISC_DBG(pm8001_ha,
- pm8001_printk("Found dev has gone.\n"));
+ pm8001_dbg(pm8001_ha, DISC, "Found dev has gone.\n");
}
dev->lldd_dev = NULL;
spin_unlock_irqrestore(&pm8001_ha->lock, flags);
@@ -916,7 +907,7 @@ static int pm8001_issue_ssp_tmf(struct domain_device *dev,
if (!(dev->tproto & SAS_PROTOCOL_SSP))
return TMF_RESP_FUNC_ESUPP;
- strncpy((u8 *)&ssp_task.LUN, lun, 8);
+ memcpy((u8 *)&ssp_task.LUN, lun, 8);
return pm8001_exec_internal_tmf_task(dev, &ssp_task, sizeof(ssp_task),
tmf);
}
@@ -968,7 +959,7 @@ void pm8001_open_reject_retry(
ts->stat = SAS_OPEN_REJECT;
ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
if (pm8001_dev)
- pm8001_dev->running_req--;
+ atomic_dec(&pm8001_dev->running_req);
spin_lock_irqsave(&task->task_state_lock, flags1);
task->task_state_flags &= ~SAS_TASK_STATE_PENDING;
task->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
@@ -1018,9 +1009,9 @@ int pm8001_I_T_nexus_reset(struct domain_device *dev)
}
rc = sas_phy_reset(phy, 1);
if (rc) {
- PM8001_EH_DBG(pm8001_ha,
- pm8001_printk("phy reset failed for device %x\n"
- "with rc %d\n", pm8001_dev->device_id, rc));
+ pm8001_dbg(pm8001_ha, EH,
+ "phy reset failed for device %x\n"
+ "with rc %d\n", pm8001_dev->device_id, rc);
rc = TMF_RESP_FUNC_FAILED;
goto out;
}
@@ -1028,17 +1019,16 @@ int pm8001_I_T_nexus_reset(struct domain_device *dev)
rc = pm8001_exec_internal_task_abort(pm8001_ha, pm8001_dev ,
dev, 1, 0);
if (rc) {
- PM8001_EH_DBG(pm8001_ha,
- pm8001_printk("task abort failed %x\n"
- "with rc %d\n", pm8001_dev->device_id, rc));
+ pm8001_dbg(pm8001_ha, EH, "task abort failed %x\n"
+ "with rc %d\n", pm8001_dev->device_id, rc);
rc = TMF_RESP_FUNC_FAILED;
}
} else {
rc = sas_phy_reset(phy, 1);
msleep(2000);
}
- PM8001_EH_DBG(pm8001_ha, pm8001_printk(" for device[%x]:rc=%d\n",
- pm8001_dev->device_id, rc));
+ pm8001_dbg(pm8001_ha, EH, " for device[%x]:rc=%d\n",
+ pm8001_dev->device_id, rc);
out:
sas_put_local_phy(phy);
return rc;
@@ -1061,8 +1051,7 @@ int pm8001_I_T_nexus_event_handler(struct domain_device *dev)
pm8001_dev = dev->lldd_dev;
pm8001_ha = pm8001_find_ha_by_dev(dev);
- PM8001_EH_DBG(pm8001_ha,
- pm8001_printk("I_T_Nexus handler invoked !!"));
+ pm8001_dbg(pm8001_ha, EH, "I_T_Nexus handler invoked !!\n");
phy = sas_get_local_phy(dev);
@@ -1101,8 +1090,8 @@ int pm8001_I_T_nexus_event_handler(struct domain_device *dev)
rc = sas_phy_reset(phy, 1);
msleep(2000);
}
- PM8001_EH_DBG(pm8001_ha, pm8001_printk(" for device[%x]:rc=%d\n",
- pm8001_dev->device_id, rc));
+ pm8001_dbg(pm8001_ha, EH, " for device[%x]:rc=%d\n",
+ pm8001_dev->device_id, rc);
out:
sas_put_local_phy(phy);
@@ -1131,8 +1120,8 @@ int pm8001_lu_reset(struct domain_device *dev, u8 *lun)
rc = pm8001_issue_ssp_tmf(dev, lun, &tmf_task);
}
/* If failed, fall-through I_T_Nexus reset */
- PM8001_EH_DBG(pm8001_ha, pm8001_printk("for device[%x]:rc=%d\n",
- pm8001_dev->device_id, rc));
+ pm8001_dbg(pm8001_ha, EH, "for device[%x]:rc=%d\n",
+ pm8001_dev->device_id, rc);
return rc;
}
@@ -1140,7 +1129,6 @@ int pm8001_lu_reset(struct domain_device *dev, u8 *lun)
int pm8001_query_task(struct sas_task *task)
{
u32 tag = 0xdeadbeef;
- int i = 0;
struct scsi_lun lun;
struct pm8001_tmf_task tmf_task;
int rc = TMF_RESP_FUNC_FAILED;
@@ -1159,10 +1147,7 @@ int pm8001_query_task(struct sas_task *task)
rc = TMF_RESP_FUNC_FAILED;
return rc;
}
- PM8001_EH_DBG(pm8001_ha, pm8001_printk("Query:["));
- for (i = 0; i < 16; i++)
- printk(KERN_INFO "%02x ", cmnd->cmnd[i]);
- printk(KERN_INFO "]\n");
+ pm8001_dbg(pm8001_ha, EH, "Query:[%16ph]\n", cmnd->cmnd);
tmf_task.tmf = TMF_QUERY_TASK;
tmf_task.tag_of_task_to_be_managed = tag;
@@ -1170,15 +1155,14 @@ int pm8001_query_task(struct sas_task *task)
switch (rc) {
/* The task is still in Lun, release it then */
case TMF_RESP_FUNC_SUCC:
- PM8001_EH_DBG(pm8001_ha,
- pm8001_printk("The task is still in Lun\n"));
+ pm8001_dbg(pm8001_ha, EH,
+ "The task is still in Lun\n");
break;
/* The task is not in Lun or failed, reset the phy */
case TMF_RESP_FUNC_FAILED:
case TMF_RESP_FUNC_COMPLETE:
- PM8001_EH_DBG(pm8001_ha,
- pm8001_printk("The task is not in Lun or failed,"
- " reset the phy\n"));
+ pm8001_dbg(pm8001_ha, EH,
+ "The task is not in Lun or failed, reset the phy\n");
break;
}
}
@@ -1207,7 +1191,7 @@ int pm8001_abort_task(struct sas_task *task)
phy_id = pm8001_dev->attached_phy;
ret = pm8001_find_tag(task, &tag);
if (ret == 0) {
- pm8001_printk("no tag for task:%p\n", task);
+ pm8001_info(pm8001_ha, "no tag for task:%p\n", task);
return TMF_RESP_FUNC_FAILED;
}
spin_lock_irqsave(&task->task_state_lock, flags);
@@ -1264,8 +1248,8 @@ int pm8001_abort_task(struct sas_task *task)
* leaking the task in libsas or losing the race and
* getting a double free.
*/
- PM8001_MSG_DBG(pm8001_ha,
- pm8001_printk("Waiting for local phy ctl\n"));
+ pm8001_dbg(pm8001_ha, MSG,
+ "Waiting for local phy ctl\n");
ret = wait_for_completion_timeout(&completion,
PM8001_TASK_TIMEOUT * HZ);
if (!ret || !phy->reset_success) {
@@ -1275,8 +1259,8 @@ int pm8001_abort_task(struct sas_task *task)
/* 3. Wait for Port Reset complete or
* Port reset TMO
*/
- PM8001_MSG_DBG(pm8001_ha,
- pm8001_printk("Waiting for Port reset\n"));
+ pm8001_dbg(pm8001_ha, MSG,
+ "Waiting for Port reset\n");
ret = wait_for_completion_timeout(
&completion_reset,
PM8001_TASK_TIMEOUT * HZ);
@@ -1329,7 +1313,7 @@ out:
task->slow_task = NULL;
spin_unlock_irqrestore(&task->task_state_lock, flags);
if (rc != TMF_RESP_FUNC_COMPLETE)
- pm8001_printk("rc= %d\n", rc);
+ pm8001_info(pm8001_ha, "rc= %d\n", rc);
return rc;
}
@@ -1355,9 +1339,8 @@ int pm8001_clear_task_set(struct domain_device *dev, u8 *lun)
struct pm8001_device *pm8001_dev = dev->lldd_dev;
struct pm8001_hba_info *pm8001_ha = pm8001_find_ha_by_dev(dev);
- PM8001_EH_DBG(pm8001_ha,
- pm8001_printk("I_T_L_Q clear task set[%x]\n",
- pm8001_dev->device_id));
+ pm8001_dbg(pm8001_ha, EH, "I_T_L_Q clear task set[%x]\n",
+ pm8001_dev->device_id);
tmf_task.tmf = TMF_CLEAR_TASK_SET;
return pm8001_issue_ssp_tmf(dev, lun, &tmf_task);
}