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path: root/drivers/scsi/pm8001/pm8001_sas.c
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Diffstat (limited to 'drivers/scsi/pm8001/pm8001_sas.c')
-rw-r--r--drivers/scsi/pm8001/pm8001_sas.c119
1 files changed, 104 insertions, 15 deletions
diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm8001_sas.c
index b961112395d5..a85d73de7c80 100644
--- a/drivers/scsi/pm8001/pm8001_sas.c
+++ b/drivers/scsi/pm8001/pm8001_sas.c
@@ -1,5 +1,5 @@
/*
- * PMC-Sierra SPC 8001 SAS/SATA based host adapters driver
+ * PMC-Sierra PM8001/8081/8088/8089 SAS/SATA based host adapters driver
*
* Copyright (c) 2008-2009 USI Co., Ltd.
* All rights reserved.
@@ -68,7 +68,7 @@ static void pm8001_tag_clear(struct pm8001_hba_info *pm8001_ha, u32 tag)
clear_bit(tag, bitmap);
}
-static void pm8001_tag_free(struct pm8001_hba_info *pm8001_ha, u32 tag)
+void pm8001_tag_free(struct pm8001_hba_info *pm8001_ha, u32 tag)
{
pm8001_tag_clear(pm8001_ha, tag);
}
@@ -212,10 +212,12 @@ int pm8001_phy_control(struct asd_sas_phy *sas_phy, enum phy_func func,
break;
case PHY_FUNC_GET_EVENTS:
spin_lock_irqsave(&pm8001_ha->lock, flags);
- if (-1 == pm8001_bar4_shift(pm8001_ha,
+ if (pm8001_ha->chip_id == chip_8001) {
+ if (-1 == pm8001_bar4_shift(pm8001_ha,
(phy_id < 4) ? 0x30000 : 0x40000)) {
- spin_unlock_irqrestore(&pm8001_ha->lock, flags);
- return -EINVAL;
+ spin_unlock_irqrestore(&pm8001_ha->lock, flags);
+ return -EINVAL;
+ }
}
{
struct sas_phy *phy = sas_phy->phy;
@@ -228,7 +230,8 @@ int pm8001_phy_control(struct asd_sas_phy *sas_phy, enum phy_func func,
phy->loss_of_dword_sync_count = qp[3];
phy->phy_reset_problem_count = qp[4];
}
- pm8001_bar4_shift(pm8001_ha, 0);
+ if (pm8001_ha->chip_id == chip_8001)
+ pm8001_bar4_shift(pm8001_ha, 0);
spin_unlock_irqrestore(&pm8001_ha->lock, flags);
return 0;
default:
@@ -249,7 +252,9 @@ void pm8001_scan_start(struct Scsi_Host *shost)
struct pm8001_hba_info *pm8001_ha;
struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
pm8001_ha = sha->lldd_ha;
- PM8001_CHIP_DISP->sas_re_init_req(pm8001_ha);
+ /* SAS_RE_INITIALIZATION not available in SPCv/ve */
+ if (pm8001_ha->chip_id == chip_8001)
+ PM8001_CHIP_DISP->sas_re_init_req(pm8001_ha);
for (i = 0; i < pm8001_ha->chip->n_phy; ++i)
PM8001_CHIP_DISP->phy_start_req(pm8001_ha, i);
}
@@ -352,7 +357,7 @@ static int sas_find_local_port_id(struct domain_device *dev)
* @tmf: the task management IU
*/
#define DEV_IS_GONE(pm8001_dev) \
- ((!pm8001_dev || (pm8001_dev->dev_type == NO_DEVICE)))
+ ((!pm8001_dev || (pm8001_dev->dev_type == SAS_PHY_UNUSED)))
static int pm8001_task_exec(struct sas_task *task, const int num,
gfp_t gfp_flags, int is_tmf, struct pm8001_tmf_task *tmf)
{
@@ -370,7 +375,7 @@ static int pm8001_task_exec(struct sas_task *task, const int num,
struct task_status_struct *tsm = &t->task_status;
tsm->resp = SAS_TASK_UNDELIVERED;
tsm->stat = SAS_PHY_DOWN;
- if (dev->dev_type != SATA_DEV)
+ if (dev->dev_type != SAS_SATA_DEV)
t->task_done(t);
return 0;
}
@@ -548,7 +553,7 @@ struct pm8001_device *pm8001_alloc_dev(struct pm8001_hba_info *pm8001_ha)
{
u32 dev;
for (dev = 0; dev < PM8001_MAX_DEVICES; dev++) {
- if (pm8001_ha->devices[dev].dev_type == NO_DEVICE) {
+ if (pm8001_ha->devices[dev].dev_type == SAS_PHY_UNUSED) {
pm8001_ha->devices[dev].id = dev;
return &pm8001_ha->devices[dev];
}
@@ -560,13 +565,31 @@ struct pm8001_device *pm8001_alloc_dev(struct pm8001_hba_info *pm8001_ha)
}
return NULL;
}
+/**
+ * pm8001_find_dev - find a matching pm8001_device
+ * @pm8001_ha: our hba card information
+ */
+struct pm8001_device *pm8001_find_dev(struct pm8001_hba_info *pm8001_ha,
+ u32 device_id)
+{
+ u32 dev;
+ for (dev = 0; dev < PM8001_MAX_DEVICES; dev++) {
+ if (pm8001_ha->devices[dev].device_id == device_id)
+ return &pm8001_ha->devices[dev];
+ }
+ if (dev == PM8001_MAX_DEVICES) {
+ PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("NO MATCHING "
+ "DEVICE FOUND !!!\n"));
+ }
+ return NULL;
+}
static void pm8001_free_dev(struct pm8001_device *pm8001_dev)
{
u32 id = pm8001_dev->id;
memset(pm8001_dev, 0, sizeof(*pm8001_dev));
pm8001_dev->id = id;
- pm8001_dev->dev_type = NO_DEVICE;
+ pm8001_dev->dev_type = SAS_PHY_UNUSED;
pm8001_dev->device_id = PM8001_MAX_DEVICES;
pm8001_dev->sas_device = NULL;
}
@@ -624,7 +647,7 @@ static int pm8001_dev_found_notify(struct domain_device *dev)
res = -1;
}
} else {
- if (dev->dev_type == SATA_DEV) {
+ if (dev->dev_type == SAS_SATA_DEV) {
pm8001_device->attached_phy =
dev->rphy->identify.phy_identifier;
flag = 1; /* directly sata*/
@@ -634,7 +657,7 @@ static int pm8001_dev_found_notify(struct domain_device *dev)
PM8001_CHIP_DISP->reg_dev_req(pm8001_ha, pm8001_device, flag);
spin_unlock_irqrestore(&pm8001_ha->lock, flags);
wait_for_completion(&completion);
- if (dev->dev_type == SAS_END_DEV)
+ if (dev->dev_type == SAS_END_DEVICE)
msleep(50);
pm8001_ha->flags = PM8001F_RUN_TIME;
return 0;
@@ -648,7 +671,7 @@ int pm8001_dev_found(struct domain_device *dev)
return pm8001_dev_found_notify(dev);
}
-static void pm8001_task_done(struct sas_task *task)
+void pm8001_task_done(struct sas_task *task)
{
if (!del_timer(&task->slow_task->timer))
return;
@@ -904,7 +927,7 @@ void pm8001_open_reject_retry(
struct pm8001_ccb_info *ccb = &pm8001_ha->ccb_info[i];
pm8001_dev = ccb->device;
- if (!pm8001_dev || (pm8001_dev->dev_type == NO_DEVICE))
+ if (!pm8001_dev || (pm8001_dev->dev_type == SAS_PHY_UNUSED))
continue;
if (!device_to_close) {
uintptr_t d = (uintptr_t)pm8001_dev
@@ -995,6 +1018,72 @@ int pm8001_I_T_nexus_reset(struct domain_device *dev)
return rc;
}
+/*
+* This function handle the IT_NEXUS_XXX event or completion
+* status code for SSP/SATA/SMP I/O request.
+*/
+int pm8001_I_T_nexus_event_handler(struct domain_device *dev)
+{
+ int rc = TMF_RESP_FUNC_FAILED;
+ struct pm8001_device *pm8001_dev;
+ struct pm8001_hba_info *pm8001_ha;
+ struct sas_phy *phy;
+ u32 device_id = 0;
+
+ if (!dev || !dev->lldd_dev)
+ return -1;
+
+ pm8001_dev = dev->lldd_dev;
+ device_id = pm8001_dev->device_id;
+ pm8001_ha = pm8001_find_ha_by_dev(dev);
+
+ PM8001_EH_DBG(pm8001_ha,
+ pm8001_printk("I_T_Nexus handler invoked !!"));
+
+ phy = sas_get_local_phy(dev);
+
+ if (dev_is_sata(dev)) {
+ DECLARE_COMPLETION_ONSTACK(completion_setstate);
+ if (scsi_is_sas_phy_local(phy)) {
+ rc = 0;
+ goto out;
+ }
+ /* send internal ssp/sata/smp abort command to FW */
+ rc = pm8001_exec_internal_task_abort(pm8001_ha, pm8001_dev ,
+ dev, 1, 0);
+ msleep(100);
+
+ /* deregister the target device */
+ pm8001_dev_gone_notify(dev);
+ msleep(200);
+
+ /*send phy reset to hard reset target */
+ rc = sas_phy_reset(phy, 1);
+ msleep(2000);
+ pm8001_dev->setds_completion = &completion_setstate;
+
+ wait_for_completion(&completion_setstate);
+ } else {
+ /* send internal ssp/sata/smp abort command to FW */
+ rc = pm8001_exec_internal_task_abort(pm8001_ha, pm8001_dev ,
+ dev, 1, 0);
+ msleep(100);
+
+ /* deregister the target device */
+ pm8001_dev_gone_notify(dev);
+ msleep(200);
+
+ /*send phy reset to hard reset target */
+ 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));
+out:
+ sas_put_local_phy(phy);
+
+ return rc;
+}
/* mandatory SAM-3, the task reset the specified LUN*/
int pm8001_lu_reset(struct domain_device *dev, u8 *lun)
{
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-26 16:25:00 +0000