summaryrefslogtreecommitdiffstats
path: root/drivers/scsi
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/scsi')
-rw-r--r--drivers/scsi/device_handler/scsi_dh_alua.c31
-rw-r--r--drivers/scsi/libsas/sas_internal.h14
-rw-r--r--drivers/scsi/qedf/qedf.h1
-rw-r--r--drivers/scsi/qedf/qedf_main.c47
-rw-r--r--drivers/scsi/sr.h2
-rw-r--r--drivers/scsi/sr_ioctl.c5
6 files changed, 86 insertions, 14 deletions
diff --git a/drivers/scsi/device_handler/scsi_dh_alua.c b/drivers/scsi/device_handler/scsi_dh_alua.c
index a226dc1b65..4eb0837298 100644
--- a/drivers/scsi/device_handler/scsi_dh_alua.c
+++ b/drivers/scsi/device_handler/scsi_dh_alua.c
@@ -414,28 +414,40 @@ static char print_alua_state(unsigned char state)
}
}
-static enum scsi_disposition alua_check_sense(struct scsi_device *sdev,
- struct scsi_sense_hdr *sense_hdr)
+static void alua_handle_state_transition(struct scsi_device *sdev)
{
struct alua_dh_data *h = sdev->handler_data;
struct alua_port_group *pg;
+ rcu_read_lock();
+ pg = rcu_dereference(h->pg);
+ if (pg)
+ pg->state = SCSI_ACCESS_STATE_TRANSITIONING;
+ rcu_read_unlock();
+ alua_check(sdev, false);
+}
+
+static enum scsi_disposition alua_check_sense(struct scsi_device *sdev,
+ struct scsi_sense_hdr *sense_hdr)
+{
switch (sense_hdr->sense_key) {
case NOT_READY:
if (sense_hdr->asc == 0x04 && sense_hdr->ascq == 0x0a) {
/*
* LUN Not Accessible - ALUA state transition
*/
- rcu_read_lock();
- pg = rcu_dereference(h->pg);
- if (pg)
- pg->state = SCSI_ACCESS_STATE_TRANSITIONING;
- rcu_read_unlock();
- alua_check(sdev, false);
+ alua_handle_state_transition(sdev);
return NEEDS_RETRY;
}
break;
case UNIT_ATTENTION:
+ if (sense_hdr->asc == 0x04 && sense_hdr->ascq == 0x0a) {
+ /*
+ * LUN Not Accessible - ALUA state transition
+ */
+ alua_handle_state_transition(sdev);
+ return NEEDS_RETRY;
+ }
if (sense_hdr->asc == 0x29 && sense_hdr->ascq == 0x00) {
/*
* Power On, Reset, or Bus Device Reset.
@@ -502,7 +514,8 @@ static int alua_tur(struct scsi_device *sdev)
retval = scsi_test_unit_ready(sdev, ALUA_FAILOVER_TIMEOUT * HZ,
ALUA_FAILOVER_RETRIES, &sense_hdr);
- if (sense_hdr.sense_key == NOT_READY &&
+ if ((sense_hdr.sense_key == NOT_READY ||
+ sense_hdr.sense_key == UNIT_ATTENTION) &&
sense_hdr.asc == 0x04 && sense_hdr.ascq == 0x0a)
return SCSI_DH_RETRY;
else if (retval)
diff --git a/drivers/scsi/libsas/sas_internal.h b/drivers/scsi/libsas/sas_internal.h
index 3804aef165..164086c582 100644
--- a/drivers/scsi/libsas/sas_internal.h
+++ b/drivers/scsi/libsas/sas_internal.h
@@ -145,6 +145,20 @@ static inline void sas_fail_probe(struct domain_device *dev, const char *func, i
func, dev->parent ? "exp-attached" :
"direct-attached",
SAS_ADDR(dev->sas_addr), err);
+
+ /*
+ * If the device probe failed, the expander phy attached address
+ * needs to be reset so that the phy will not be treated as flutter
+ * in the next revalidation
+ */
+ if (dev->parent && !dev_is_expander(dev->dev_type)) {
+ struct sas_phy *phy = dev->phy;
+ struct domain_device *parent = dev->parent;
+ struct ex_phy *ex_phy = &parent->ex_dev.ex_phy[phy->number];
+
+ memset(ex_phy->attached_sas_addr, 0, SAS_ADDR_SIZE);
+ }
+
sas_unregister_dev(dev->port, dev);
}
diff --git a/drivers/scsi/qedf/qedf.h b/drivers/scsi/qedf/qedf.h
index 5058e01b65..98afdfe636 100644
--- a/drivers/scsi/qedf/qedf.h
+++ b/drivers/scsi/qedf/qedf.h
@@ -363,6 +363,7 @@ struct qedf_ctx {
#define QEDF_IN_RECOVERY 5
#define QEDF_DBG_STOP_IO 6
#define QEDF_PROBING 8
+#define QEDF_STAG_IN_PROGRESS 9
unsigned long flags; /* Miscellaneous state flags */
int fipvlan_retries;
u8 num_queues;
diff --git a/drivers/scsi/qedf/qedf_main.c b/drivers/scsi/qedf/qedf_main.c
index a58353b7b4..b97a8712d3 100644
--- a/drivers/scsi/qedf/qedf_main.c
+++ b/drivers/scsi/qedf/qedf_main.c
@@ -318,11 +318,18 @@ static struct fc_seq *qedf_elsct_send(struct fc_lport *lport, u32 did,
*/
if (resp == fc_lport_flogi_resp) {
qedf->flogi_cnt++;
+ qedf->flogi_pending++;
+
+ if (test_bit(QEDF_UNLOADING, &qedf->flags)) {
+ QEDF_ERR(&qedf->dbg_ctx, "Driver unloading\n");
+ qedf->flogi_pending = 0;
+ }
+
if (qedf->flogi_pending >= QEDF_FLOGI_RETRY_CNT) {
schedule_delayed_work(&qedf->stag_work, 2);
return NULL;
}
- qedf->flogi_pending++;
+
return fc_elsct_send(lport, did, fp, op, qedf_flogi_resp,
arg, timeout);
}
@@ -912,13 +919,14 @@ void qedf_ctx_soft_reset(struct fc_lport *lport)
struct qedf_ctx *qedf;
struct qed_link_output if_link;
+ qedf = lport_priv(lport);
+
if (lport->vport) {
+ clear_bit(QEDF_STAG_IN_PROGRESS, &qedf->flags);
printk_ratelimited("Cannot issue host reset on NPIV port.\n");
return;
}
- qedf = lport_priv(lport);
-
qedf->flogi_pending = 0;
/* For host reset, essentially do a soft link up/down */
atomic_set(&qedf->link_state, QEDF_LINK_DOWN);
@@ -938,6 +946,7 @@ void qedf_ctx_soft_reset(struct fc_lport *lport)
if (!if_link.link_up) {
QEDF_INFO(&qedf->dbg_ctx, QEDF_LOG_DISC,
"Physical link is not up.\n");
+ clear_bit(QEDF_STAG_IN_PROGRESS, &qedf->flags);
return;
}
/* Flush and wait to make sure link down is processed */
@@ -950,6 +959,7 @@ void qedf_ctx_soft_reset(struct fc_lport *lport)
"Queue link up work.\n");
queue_delayed_work(qedf->link_update_wq, &qedf->link_update,
0);
+ clear_bit(QEDF_STAG_IN_PROGRESS, &qedf->flags);
}
/* Reset the host by gracefully logging out and then logging back in */
@@ -3463,6 +3473,7 @@ retry_probe:
}
/* Start the Slowpath-process */
+ memset(&slowpath_params, 0, sizeof(struct qed_slowpath_params));
slowpath_params.int_mode = QED_INT_MODE_MSIX;
slowpath_params.drv_major = QEDF_DRIVER_MAJOR_VER;
slowpath_params.drv_minor = QEDF_DRIVER_MINOR_VER;
@@ -3721,6 +3732,7 @@ static void __qedf_remove(struct pci_dev *pdev, int mode)
{
struct qedf_ctx *qedf;
int rc;
+ int cnt = 0;
if (!pdev) {
QEDF_ERR(NULL, "pdev is NULL.\n");
@@ -3738,6 +3750,17 @@ static void __qedf_remove(struct pci_dev *pdev, int mode)
return;
}
+stag_in_prog:
+ if (test_bit(QEDF_STAG_IN_PROGRESS, &qedf->flags)) {
+ QEDF_ERR(&qedf->dbg_ctx, "Stag in progress, cnt=%d.\n", cnt);
+ cnt++;
+
+ if (cnt < 5) {
+ msleep(500);
+ goto stag_in_prog;
+ }
+ }
+
if (mode != QEDF_MODE_RECOVERY)
set_bit(QEDF_UNLOADING, &qedf->flags);
@@ -3997,6 +4020,24 @@ void qedf_stag_change_work(struct work_struct *work)
struct qedf_ctx *qedf =
container_of(work, struct qedf_ctx, stag_work.work);
+ if (!qedf) {
+ QEDF_ERR(&qedf->dbg_ctx, "qedf is NULL");
+ return;
+ }
+
+ if (test_bit(QEDF_IN_RECOVERY, &qedf->flags)) {
+ QEDF_ERR(&qedf->dbg_ctx,
+ "Already is in recovery, hence not calling software context reset.\n");
+ return;
+ }
+
+ if (test_bit(QEDF_UNLOADING, &qedf->flags)) {
+ QEDF_ERR(&qedf->dbg_ctx, "Driver unloading\n");
+ return;
+ }
+
+ set_bit(QEDF_STAG_IN_PROGRESS, &qedf->flags);
+
printk_ratelimited("[%s]:[%s:%d]:%d: Performing software context reset.",
dev_name(&qedf->pdev->dev), __func__, __LINE__,
qedf->dbg_ctx.host_no);
diff --git a/drivers/scsi/sr.h b/drivers/scsi/sr.h
index 1175f2e213..dc899277b3 100644
--- a/drivers/scsi/sr.h
+++ b/drivers/scsi/sr.h
@@ -65,7 +65,7 @@ int sr_disk_status(struct cdrom_device_info *);
int sr_get_last_session(struct cdrom_device_info *, struct cdrom_multisession *);
int sr_get_mcn(struct cdrom_device_info *, struct cdrom_mcn *);
int sr_reset(struct cdrom_device_info *);
-int sr_select_speed(struct cdrom_device_info *cdi, int speed);
+int sr_select_speed(struct cdrom_device_info *cdi, unsigned long speed);
int sr_audio_ioctl(struct cdrom_device_info *, unsigned int, void *);
int sr_is_xa(Scsi_CD *);
diff --git a/drivers/scsi/sr_ioctl.c b/drivers/scsi/sr_ioctl.c
index 5b0b35e60e..a0d2556a27 100644
--- a/drivers/scsi/sr_ioctl.c
+++ b/drivers/scsi/sr_ioctl.c
@@ -425,11 +425,14 @@ int sr_reset(struct cdrom_device_info *cdi)
return 0;
}
-int sr_select_speed(struct cdrom_device_info *cdi, int speed)
+int sr_select_speed(struct cdrom_device_info *cdi, unsigned long speed)
{
Scsi_CD *cd = cdi->handle;
struct packet_command cgc;
+ /* avoid exceeding the max speed or overflowing integer bounds */
+ speed = clamp(0, speed, 0xffff / 177);
+
if (speed == 0)
speed = 0xffff; /* set to max */
else
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-06 03:20:40 +0000