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path: root/drivers/message/fusion/mptfc.c
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Diffstat (limited to 'drivers/message/fusion/mptfc.c')
-rw-r--r--drivers/message/fusion/mptfc.c108
1 files changed, 95 insertions, 13 deletions
diff --git a/drivers/message/fusion/mptfc.c b/drivers/message/fusion/mptfc.c
index e57bb035a02..ca2f9107f14 100644
--- a/drivers/message/fusion/mptfc.c
+++ b/drivers/message/fusion/mptfc.c
@@ -96,6 +96,10 @@ static int mptfc_qcmd(struct scsi_cmnd *SCpnt,
static void mptfc_target_destroy(struct scsi_target *starget);
static void mptfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout);
static void __devexit mptfc_remove(struct pci_dev *pdev);
+static int mptfc_abort(struct scsi_cmnd *SCpnt);
+static int mptfc_dev_reset(struct scsi_cmnd *SCpnt);
+static int mptfc_bus_reset(struct scsi_cmnd *SCpnt);
+static int mptfc_host_reset(struct scsi_cmnd *SCpnt);
static struct scsi_host_template mptfc_driver_template = {
.module = THIS_MODULE,
@@ -110,10 +114,10 @@ static struct scsi_host_template mptfc_driver_template = {
.target_destroy = mptfc_target_destroy,
.slave_destroy = mptscsih_slave_destroy,
.change_queue_depth = mptscsih_change_queue_depth,
- .eh_abort_handler = mptscsih_abort,
- .eh_device_reset_handler = mptscsih_dev_reset,
- .eh_bus_reset_handler = mptscsih_bus_reset,
- .eh_host_reset_handler = mptscsih_host_reset,
+ .eh_abort_handler = mptfc_abort,
+ .eh_device_reset_handler = mptfc_dev_reset,
+ .eh_bus_reset_handler = mptfc_bus_reset,
+ .eh_host_reset_handler = mptfc_host_reset,
.bios_param = mptscsih_bios_param,
.can_queue = MPT_FC_CAN_QUEUE,
.this_id = -1,
@@ -171,6 +175,77 @@ static struct fc_function_template mptfc_transport_functions = {
.show_host_symbolic_name = 1,
};
+static int
+mptfc_block_error_handler(struct scsi_cmnd *SCpnt,
+ int (*func)(struct scsi_cmnd *SCpnt),
+ const char *caller)
+{
+ struct scsi_device *sdev = SCpnt->device;
+ struct Scsi_Host *shost = sdev->host;
+ struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
+ unsigned long flags;
+ int ready;
+
+ spin_lock_irqsave(shost->host_lock, flags);
+ while ((ready = fc_remote_port_chkready(rport) >> 16) == DID_IMM_RETRY) {
+ spin_unlock_irqrestore(shost->host_lock, flags);
+ dfcprintk ((MYIOC_s_INFO_FMT
+ "mptfc_block_error_handler.%d: %d:%d, port status is "
+ "DID_IMM_RETRY, deferring %s recovery.\n",
+ ((MPT_SCSI_HOST *) shost->hostdata)->ioc->name,
+ ((MPT_SCSI_HOST *) shost->hostdata)->ioc->sh->host_no,
+ SCpnt->device->id,SCpnt->device->lun,caller));
+ msleep(1000);
+ spin_lock_irqsave(shost->host_lock, flags);
+ }
+ spin_unlock_irqrestore(shost->host_lock, flags);
+
+ if (ready == DID_NO_CONNECT || !SCpnt->device->hostdata) {
+ dfcprintk ((MYIOC_s_INFO_FMT
+ "%s.%d: %d:%d, failing recovery, "
+ "port state %d, vdev %p.\n", caller,
+ ((MPT_SCSI_HOST *) shost->hostdata)->ioc->name,
+ ((MPT_SCSI_HOST *) shost->hostdata)->ioc->sh->host_no,
+ SCpnt->device->id,SCpnt->device->lun,ready,
+ SCpnt->device->hostdata));
+ return FAILED;
+ }
+ dfcprintk ((MYIOC_s_INFO_FMT
+ "%s.%d: %d:%d, executing recovery.\n", caller,
+ ((MPT_SCSI_HOST *) shost->hostdata)->ioc->name,
+ ((MPT_SCSI_HOST *) shost->hostdata)->ioc->sh->host_no,
+ SCpnt->device->id,SCpnt->device->lun));
+ return (*func)(SCpnt);
+}
+
+static int
+mptfc_abort(struct scsi_cmnd *SCpnt)
+{
+ return
+ mptfc_block_error_handler(SCpnt, mptscsih_abort, __FUNCTION__);
+}
+
+static int
+mptfc_dev_reset(struct scsi_cmnd *SCpnt)
+{
+ return
+ mptfc_block_error_handler(SCpnt, mptscsih_dev_reset, __FUNCTION__);
+}
+
+static int
+mptfc_bus_reset(struct scsi_cmnd *SCpnt)
+{
+ return
+ mptfc_block_error_handler(SCpnt, mptscsih_bus_reset, __FUNCTION__);
+}
+
+static int
+mptfc_host_reset(struct scsi_cmnd *SCpnt)
+{
+ return
+ mptfc_block_error_handler(SCpnt, mptscsih_host_reset, __FUNCTION__);
+}
+
static void
mptfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
{
@@ -562,6 +637,12 @@ mptfc_qcmd(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *))
return 0;
}
+ if (!SCpnt->device->hostdata) { /* vdev */
+ SCpnt->result = DID_NO_CONNECT << 16;
+ done(SCpnt);
+ return 0;
+ }
+
/* dd_data is null until finished adding target */
ri = *((struct mptfc_rport_info **)rport->dd_data);
if (unlikely(!ri)) {
@@ -937,9 +1018,10 @@ mptfc_init_host_attr(MPT_ADAPTER *ioc,int portnum)
}
static void
-mptfc_setup_reset(void *arg)
+mptfc_setup_reset(struct work_struct *work)
{
- MPT_ADAPTER *ioc = (MPT_ADAPTER *)arg;
+ MPT_ADAPTER *ioc =
+ container_of(work, MPT_ADAPTER, fc_setup_reset_work);
u64 pn;
struct mptfc_rport_info *ri;
@@ -962,9 +1044,10 @@ mptfc_setup_reset(void *arg)
}
static void
-mptfc_rescan_devices(void *arg)
+mptfc_rescan_devices(struct work_struct *work)
{
- MPT_ADAPTER *ioc = (MPT_ADAPTER *)arg;
+ MPT_ADAPTER *ioc =
+ container_of(work, MPT_ADAPTER, fc_rescan_work);
int ii;
u64 pn;
struct mptfc_rport_info *ri;
@@ -1073,8 +1156,8 @@ mptfc_probe(struct pci_dev *pdev, const struct pci_device_id *id)
}
spin_lock_init(&ioc->fc_rescan_work_lock);
- INIT_WORK(&ioc->fc_rescan_work, mptfc_rescan_devices,(void *)ioc);
- INIT_WORK(&ioc->fc_setup_reset_work, mptfc_setup_reset, (void *)ioc);
+ INIT_WORK(&ioc->fc_rescan_work, mptfc_rescan_devices);
+ INIT_WORK(&ioc->fc_setup_reset_work, mptfc_setup_reset);
spin_lock_irqsave(&ioc->FreeQlock, flags);
@@ -1312,8 +1395,7 @@ mptfc_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/**
- * mptfc_init - Register MPT adapter(s) as SCSI host(s) with
- * linux scsi mid-layer.
+ * mptfc_init - Register MPT adapter(s) as SCSI host(s) with SCSI mid-layer.
*
* Returns 0 for success, non-zero for failure.
*/
@@ -1357,7 +1439,7 @@ mptfc_init(void)
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/**
- * mptfc_remove - Removed fc infrastructure for devices
+ * mptfc_remove - Remove fc infrastructure for devices
* @pdev: Pointer to pci_dev structure
*
*/
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-30 09:13:45 +0000