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Diffstat (limited to 'drivers/scsi/mpt2sas/mpt2sas_scsih.c')
-rw-r--r--drivers/scsi/mpt2sas/mpt2sas_scsih.c47
1 files changed, 35 insertions, 12 deletions
diff --git a/drivers/scsi/mpt2sas/mpt2sas_scsih.c b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
index 854cc91e7aac..6273abd0535e 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_scsih.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
@@ -1997,7 +1997,8 @@ mpt2sas_scsih_issue_tm(struct MPT2SAS_ADAPTER *ioc, u16 handle, uint channel,
goto err_out;
}
- if (ioc->shost_recovery || ioc->remove_host) {
+ if (ioc->shost_recovery || ioc->remove_host ||
+ ioc->pci_error_recovery) {
printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n",
__func__, ioc->name);
rc = FAILED;
@@ -2644,7 +2645,8 @@ _scsih_tm_tr_send(struct MPT2SAS_ADAPTER *ioc, u16 handle)
unsigned long flags;
struct _tr_list *delayed_tr;
- if (ioc->shost_recovery || ioc->remove_host) {
+ if (ioc->shost_recovery || ioc->remove_host ||
+ ioc->pci_error_recovery) {
dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host reset in "
"progress!\n", __func__, ioc->name));
return;
@@ -2742,7 +2744,8 @@ _scsih_tm_tr_volume_send(struct MPT2SAS_ADAPTER *ioc, u16 handle)
u16 smid;
struct _tr_list *delayed_tr;
- if (ioc->shost_recovery || ioc->remove_host) {
+ if (ioc->shost_recovery || ioc->remove_host ||
+ ioc->pci_error_recovery) {
dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host reset in "
"progress!\n", __func__, ioc->name));
return;
@@ -2793,7 +2796,8 @@ _scsih_tm_volume_tr_complete(struct MPT2SAS_ADAPTER *ioc, u16 smid,
Mpi2SCSITaskManagementReply_t *mpi_reply =
mpt2sas_base_get_reply_virt_addr(ioc, reply);
- if (ioc->shost_recovery || ioc->remove_host) {
+ if (ioc->shost_recovery || ioc->remove_host ||
+ ioc->pci_error_recovery) {
dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host reset in "
"progress!\n", __func__, ioc->name));
return 1;
@@ -2845,7 +2849,8 @@ _scsih_tm_tr_complete(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
Mpi2SasIoUnitControlRequest_t *mpi_request;
u16 smid_sas_ctrl;
- if (ioc->shost_recovery || ioc->remove_host) {
+ if (ioc->shost_recovery || ioc->remove_host ||
+ ioc->pci_error_recovery) {
dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host reset in "
"progress!\n", __func__, ioc->name));
return 1;
@@ -3187,7 +3192,10 @@ _scsih_flush_running_cmds(struct MPT2SAS_ADAPTER *ioc)
count++;
mpt2sas_base_free_smid(ioc, smid);
scsi_dma_unmap(scmd);
- scmd->result = DID_RESET << 16;
+ if (ioc->pci_error_recovery)
+ scmd->result = DID_NO_CONNECT << 16;
+ else
+ scmd->result = DID_RESET << 16;
scmd->scsi_done(scmd);
}
dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "completing %d cmds\n",
@@ -3324,6 +3332,12 @@ _scsih_qcmd(struct scsi_cmnd *scmd, void (*done)(struct scsi_cmnd *))
return 0;
}
+ if (ioc->pci_error_recovery) {
+ scmd->result = DID_NO_CONNECT << 16;
+ scmd->scsi_done(scmd);
+ return 0;
+ }
+
sas_target_priv_data = sas_device_priv_data->sas_target;
/* invalid device handle */
if (sas_target_priv_data->handle == MPT2SAS_INVALID_DEVICE_HANDLE) {
@@ -4156,7 +4170,7 @@ _scsih_expander_add(struct MPT2SAS_ADAPTER *ioc, u16 handle)
if (!handle)
return -1;
- if (ioc->shost_recovery)
+ if (ioc->shost_recovery || ioc->pci_error_recovery)
return -1;
if ((mpt2sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0,
@@ -4734,7 +4748,7 @@ _scsih_sas_topology_change_event(struct MPT2SAS_ADAPTER *ioc,
_scsih_sas_topology_change_event_debug(ioc, event_data);
#endif
- if (ioc->shost_recovery || ioc->remove_host)
+ if (ioc->shost_recovery || ioc->remove_host || ioc->pci_error_recovery)
return;
if (!ioc->sas_hba.num_phys)
@@ -4773,7 +4787,8 @@ _scsih_sas_topology_change_event(struct MPT2SAS_ADAPTER *ioc,
"expander event\n", ioc->name));
return;
}
- if (ioc->shost_recovery || ioc->remove_host)
+ if (ioc->shost_recovery || ioc->remove_host ||
+ ioc->pci_error_recovery)
return;
phy_number = event_data->StartPhyNum + i;
reason_code = event_data->PHY[i].PhyStatus &
@@ -6273,7 +6288,8 @@ _firmware_event_work(struct work_struct *work)
struct MPT2SAS_ADAPTER *ioc = fw_event->ioc;
/* the queue is being flushed so ignore this event */
- if (ioc->remove_host || fw_event->cancel_pending_work) {
+ if (ioc->remove_host || fw_event->cancel_pending_work ||
+ ioc->pci_error_recovery) {
_scsih_fw_event_free(ioc, fw_event);
return;
}
@@ -6355,7 +6371,7 @@ mpt2sas_scsih_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 msix_index,
u16 sz;
/* events turned off due to host reset or driver unloading */
- if (ioc->remove_host)
+ if (ioc->remove_host || ioc->pci_error_recovery)
return 1;
mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply);
@@ -7058,12 +7074,17 @@ _scsih_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
case pci_channel_io_normal:
return PCI_ERS_RESULT_CAN_RECOVER;
case pci_channel_io_frozen:
+ /* Fatal error, prepare for slot reset */
+ ioc->pci_error_recovery = 1;
scsi_block_requests(ioc->shost);
mpt2sas_base_stop_watchdog(ioc);
mpt2sas_base_free_resources(ioc);
return PCI_ERS_RESULT_NEED_RESET;
case pci_channel_io_perm_failure:
- _scsih_remove(pdev);
+ /* Permanent error, prepare for device removal */
+ ioc->pci_error_recovery = 1;
+ mpt2sas_base_stop_watchdog(ioc);
+ _scsih_flush_running_cmds(ioc);
return PCI_ERS_RESULT_DISCONNECT;
}
return PCI_ERS_RESULT_NEED_RESET;
@@ -7087,7 +7108,9 @@ _scsih_pci_slot_reset(struct pci_dev *pdev)
printk(MPT2SAS_INFO_FMT "PCI error: slot reset callback!!\n",
ioc->name);
+ ioc->pci_error_recovery = 0;
ioc->pdev = pdev;
+ pci_restore_state(pdev);
rc = mpt2sas_base_map_resources(ioc);
if (rc)
return PCI_ERS_RESULT_DISCONNECT;
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-09 09:12:45 +0100