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-rw-r--r--drivers/message/fusion/mptfc.c94
-rw-r--r--drivers/message/fusion/mptscsih.c55
-rw-r--r--drivers/message/fusion/mptscsih.h1
3 files changed, 120 insertions, 30 deletions
diff --git a/drivers/message/fusion/mptfc.c b/drivers/message/fusion/mptfc.c
index 22e7779a332b..aa6bb764df3e 100644
--- a/drivers/message/fusion/mptfc.c
+++ b/drivers/message/fusion/mptfc.c
@@ -183,73 +183,109 @@ static struct fc_function_template mptfc_transport_functions = {
};
static int
-mptfc_block_error_handler(struct scsi_cmnd *SCpnt,
- int (*func)(struct scsi_cmnd *SCpnt),
- const char *caller)
+mptfc_block_error_handler(struct fc_rport *rport)
{
MPT_SCSI_HOST *hd;
- struct scsi_device *sdev = SCpnt->device;
- struct Scsi_Host *shost = sdev->host;
- struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
+ struct Scsi_Host *shost = rport_to_shost(rport);
unsigned long flags;
int ready;
- MPT_ADAPTER *ioc;
+ MPT_ADAPTER *ioc;
int loops = 40; /* seconds */
- hd = shost_priv(SCpnt->device->host);
+ hd = shost_priv(shost);
ioc = hd->ioc;
spin_lock_irqsave(shost->host_lock, flags);
while ((ready = fc_remote_port_chkready(rport) >> 16) == DID_IMM_RETRY
|| (loops > 0 && ioc->active == 0)) {
spin_unlock_irqrestore(shost->host_lock, flags);
dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT
- "mptfc_block_error_handler.%d: %d:%llu, port status is "
- "%x, active flag %d, deferring %s recovery.\n",
+ "mptfc_block_error_handler.%d: %s, port status is "
+ "%x, active flag %d, deferring recovery.\n",
ioc->name, ioc->sh->host_no,
- SCpnt->device->id, SCpnt->device->lun,
- ready, ioc->active, caller));
+ dev_name(&rport->dev), ready, ioc->active));
msleep(1000);
spin_lock_irqsave(shost->host_lock, flags);
loops --;
}
spin_unlock_irqrestore(shost->host_lock, flags);
- if (ready == DID_NO_CONNECT || !SCpnt->device->hostdata
- || ioc->active == 0) {
+ if (ready == DID_NO_CONNECT || ioc->active == 0) {
dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT
- "%s.%d: %d:%llu, failing recovery, "
- "port state %x, active %d, vdevice %p.\n", caller,
+ "mpt_block_error_handler.%d: %s, failing recovery, "
+ "port state %x, active %d.\n",
ioc->name, ioc->sh->host_no,
- SCpnt->device->id, SCpnt->device->lun, ready,
- ioc->active, SCpnt->device->hostdata));
+ dev_name(&rport->dev), ready, ioc->active));
return FAILED;
}
- dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT
- "%s.%d: %d:%llu, executing recovery.\n", caller,
- ioc->name, ioc->sh->host_no,
- SCpnt->device->id, SCpnt->device->lun));
- return (*func)(SCpnt);
+ return SUCCESS;
}
static int
mptfc_abort(struct scsi_cmnd *SCpnt)
{
- return
- mptfc_block_error_handler(SCpnt, mptscsih_abort, __func__);
+ struct Scsi_Host *shost = SCpnt->device->host;
+ struct fc_rport *rport = starget_to_rport(scsi_target(SCpnt->device));
+ MPT_SCSI_HOST __maybe_unused *hd = shost_priv(shost);
+ int rtn;
+
+ rtn = mptfc_block_error_handler(rport);
+ if (rtn == SUCCESS) {
+ dfcprintk (hd->ioc, printk(MYIOC_s_DEBUG_FMT
+ "%s.%d: %d:%llu, executing recovery.\n", __func__,
+ hd->ioc->name, shost->host_no,
+ SCpnt->device->id, SCpnt->device->lun));
+ rtn = mptscsih_abort(SCpnt);
+ }
+ return rtn;
}
static int
mptfc_dev_reset(struct scsi_cmnd *SCpnt)
{
- return
- mptfc_block_error_handler(SCpnt, mptscsih_dev_reset, __func__);
+ struct Scsi_Host *shost = SCpnt->device->host;
+ struct fc_rport *rport = starget_to_rport(scsi_target(SCpnt->device));
+ MPT_SCSI_HOST __maybe_unused *hd = shost_priv(shost);
+ int rtn;
+
+ rtn = mptfc_block_error_handler(rport);
+ if (rtn == SUCCESS) {
+ dfcprintk (hd->ioc, printk(MYIOC_s_DEBUG_FMT
+ "%s.%d: %d:%llu, executing recovery.\n", __func__,
+ hd->ioc->name, shost->host_no,
+ SCpnt->device->id, SCpnt->device->lun));
+ rtn = mptscsih_dev_reset(SCpnt);
+ }
+ return rtn;
}
static int
mptfc_bus_reset(struct scsi_cmnd *SCpnt)
{
- return
- mptfc_block_error_handler(SCpnt, mptscsih_bus_reset, __func__);
+ struct Scsi_Host *shost = SCpnt->device->host;
+ MPT_SCSI_HOST __maybe_unused *hd = shost_priv(shost);
+ int channel = SCpnt->device->channel;
+ struct mptfc_rport_info *ri;
+ int rtn;
+
+ list_for_each_entry(ri, &hd->ioc->fc_rports, list) {
+ if (ri->flags & MPT_RPORT_INFO_FLAGS_REGISTERED) {
+ VirtTarget *vtarget = ri->starget->hostdata;
+
+ if (!vtarget || vtarget->channel != channel)
+ continue;
+ rtn = fc_block_rport(ri->rport);
+ if (rtn != 0)
+ break;
+ }
+ }
+ if (rtn == 0) {
+ dfcprintk (hd->ioc, printk(MYIOC_s_DEBUG_FMT
+ "%s.%d: %d:%llu, executing recovery.\n", __func__,
+ hd->ioc->name, shost->host_no,
+ SCpnt->device->id, SCpnt->device->lun));
+ rtn = mptscsih_bus_reset(SCpnt);
+ }
+ return rtn;
}
static void
diff --git a/drivers/message/fusion/mptscsih.c b/drivers/message/fusion/mptscsih.c
index 2bc17087d17d..9080a73b4ea6 100644
--- a/drivers/message/fusion/mptscsih.c
+++ b/drivers/message/fusion/mptscsih.c
@@ -1793,7 +1793,7 @@ mptscsih_abort(struct scsi_cmnd * SCpnt)
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/**
- * mptscsih_dev_reset - Perform a SCSI TARGET_RESET! new_eh variant
+ * mptscsih_dev_reset - Perform a SCSI LOGICAL_UNIT_RESET!
* @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
*
* (linux scsi_host_template.eh_dev_reset_handler routine)
@@ -1811,6 +1811,58 @@ mptscsih_dev_reset(struct scsi_cmnd * SCpnt)
/* If we can't locate our host adapter structure, return FAILED status.
*/
if ((hd = shost_priv(SCpnt->device->host)) == NULL){
+ printk(KERN_ERR MYNAM ": lun reset: "
+ "Can't locate host! (sc=%p)\n", SCpnt);
+ return FAILED;
+ }
+
+ ioc = hd->ioc;
+ printk(MYIOC_s_INFO_FMT "attempting lun reset! (sc=%p)\n",
+ ioc->name, SCpnt);
+ scsi_print_command(SCpnt);
+
+ vdevice = SCpnt->device->hostdata;
+ if (!vdevice || !vdevice->vtarget) {
+ retval = 0;
+ goto out;
+ }
+
+ retval = mptscsih_IssueTaskMgmt(hd,
+ MPI_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET,
+ vdevice->vtarget->channel,
+ vdevice->vtarget->id, vdevice->lun, 0,
+ mptscsih_get_tm_timeout(ioc));
+
+ out:
+ printk (MYIOC_s_INFO_FMT "lun reset: %s (sc=%p)\n",
+ ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
+
+ if (retval == 0)
+ return SUCCESS;
+ else
+ return FAILED;
+}
+
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+/**
+ * mptscsih_target_reset - Perform a SCSI TARGET_RESET!
+ * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
+ *
+ * (linux scsi_host_template.eh_target_reset_handler routine)
+ *
+ * Returns SUCCESS or FAILED.
+ **/
+int
+mptscsih_target_reset(struct scsi_cmnd * SCpnt)
+{
+ MPT_SCSI_HOST *hd;
+ int retval;
+ VirtDevice *vdevice;
+ MPT_ADAPTER *ioc;
+
+ /* If we can't locate our host adapter structure, return FAILED status.
+ */
+ if ((hd = shost_priv(SCpnt->device->host)) == NULL){
printk(KERN_ERR MYNAM ": target reset: "
"Can't locate host! (sc=%p)\n", SCpnt);
return FAILED;
@@ -3256,6 +3308,7 @@ EXPORT_SYMBOL(mptscsih_slave_destroy);
EXPORT_SYMBOL(mptscsih_slave_configure);
EXPORT_SYMBOL(mptscsih_abort);
EXPORT_SYMBOL(mptscsih_dev_reset);
+EXPORT_SYMBOL(mptscsih_target_reset);
EXPORT_SYMBOL(mptscsih_bus_reset);
EXPORT_SYMBOL(mptscsih_host_reset);
EXPORT_SYMBOL(mptscsih_bios_param);
diff --git a/drivers/message/fusion/mptscsih.h b/drivers/message/fusion/mptscsih.h
index a22c5eaf703c..e3d92c392673 100644
--- a/drivers/message/fusion/mptscsih.h
+++ b/drivers/message/fusion/mptscsih.h
@@ -120,6 +120,7 @@ extern void mptscsih_slave_destroy(struct scsi_device *device);
extern int mptscsih_slave_configure(struct scsi_device *device);
extern int mptscsih_abort(struct scsi_cmnd * SCpnt);
extern int mptscsih_dev_reset(struct scsi_cmnd * SCpnt);
+extern int mptscsih_target_reset(struct scsi_cmnd * SCpnt);
extern int mptscsih_bus_reset(struct scsi_cmnd * SCpnt);
extern int mptscsih_host_reset(struct scsi_cmnd *SCpnt);
extern int mptscsih_bios_param(struct scsi_device * sdev, struct block_device *bdev, sector_t capacity, int geom[]);