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scsi: mpt3sas: Added support for SAS Device Discovery Error Event. 

The SAS Device Discovery Error Event is sent to the host when discovery
for a particular device is failed during discovery, even after maximum
retries by the IOC.

Signed-off-by: Chaitra P B <chaitra.basappa@broadcom.com>
Signed-off-by: Suganath Prabu S <suganath-prabu.subramani@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Chaitra P B 2018-04-24 05:28:35 -04:00 committed by Martin K. Petersen
parent e21fef6f33
commit 95540b8eaf
2 changed files with 46 additions and 0 deletions
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4
drivers/scsi/mpt3sas/mpt3sas_base.c
View File

@ -1030,6 +1030,9 @@ _base_display_event_data(struct MPT3SAS_ADAPTER *ioc,
case MPI2_EVENT_ACTIVE_CABLE_EXCEPTION:
desc = "Cable Event";
break;
case MPI2_EVENT_SAS_DEVICE_DISCOVERY_ERROR:
desc = "SAS Device Discovery Error";
break;
case MPI2_EVENT_PCIE_DEVICE_STATUS_CHANGE:
desc = "PCIE Device Status Change";
break;
@ -6599,6 +6602,7 @@ mpt3sas_base_attach(struct MPT3SAS_ADAPTER *ioc)
_base_unmask_events(ioc, MPI2_EVENT_LOG_ENTRY_ADDED);
_base_unmask_events(ioc, MPI2_EVENT_TEMP_THRESHOLD);
_base_unmask_events(ioc, MPI2_EVENT_ACTIVE_CABLE_EXCEPTION);
_base_unmask_events(ioc, MPI2_EVENT_SAS_DEVICE_DISCOVERY_ERROR);
if (ioc->hba_mpi_version_belonged == MPI26_VERSION) {
if (ioc->is_gen35_ioc) {
_base_unmask_events(ioc,

42
drivers/scsi/mpt3sas/mpt3sas_scsih.c
View File

@ -7526,6 +7526,44 @@ _scsih_sas_discovery_event(struct MPT3SAS_ADAPTER *ioc,
}
}
/**
* _scsih_sas_device_discovery_error_event - display SAS device discovery error
* events
* @ioc: per adapter object
* @fw_event: The fw_event_work object
* Context: user.
*
* Return nothing.
*/
static void
_scsih_sas_device_discovery_error_event(struct MPT3SAS_ADAPTER *ioc,
struct fw_event_work *fw_event)
{
Mpi25EventDataSasDeviceDiscoveryError_t *event_data =
(Mpi25EventDataSasDeviceDiscoveryError_t *)fw_event->event_data;
switch (event_data->ReasonCode) {
case MPI25_EVENT_SAS_DISC_ERR_SMP_FAILED:
pr_warn(MPT3SAS_FMT "SMP command sent to the expander"
"(handle:0x%04x, sas_address:0x%016llx,"
"physical_port:0x%02x) has failed",
ioc->name, le16_to_cpu(event_data->DevHandle),
(unsigned long long)le64_to_cpu(event_data->SASAddress),
event_data->PhysicalPort);
break;
case MPI25_EVENT_SAS_DISC_ERR_SMP_TIMEOUT:
pr_warn(MPT3SAS_FMT "SMP command sent to the expander"
"(handle:0x%04x, sas_address:0x%016llx,"
"physical_port:0x%02x) has timed out",
ioc->name, le16_to_cpu(event_data->DevHandle),
(unsigned long long)le64_to_cpu(event_data->SASAddress),
event_data->PhysicalPort);
break;
default:
break;
}
}
/**
* _scsih_pcie_enumeration_event - handle enumeration events
* @ioc: per adapter object
@ -9353,6 +9391,9 @@ _mpt3sas_fw_work(struct MPT3SAS_ADAPTER *ioc, struct fw_event_work *fw_event)
case MPI2_EVENT_SAS_DISCOVERY:
_scsih_sas_discovery_event(ioc, fw_event);
break;
case MPI2_EVENT_SAS_DEVICE_DISCOVERY_ERROR:
_scsih_sas_device_discovery_error_event(ioc, fw_event);
break;
case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE:
_scsih_sas_broadcast_primitive_event(ioc, fw_event);
break;
@ -9537,6 +9578,7 @@ mpt3sas_scsih_event_callback(struct MPT3SAS_ADAPTER *ioc, u8 msix_index,
case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE:
case MPI2_EVENT_IR_OPERATION_STATUS:
case MPI2_EVENT_SAS_DISCOVERY:
case MPI2_EVENT_SAS_DEVICE_DISCOVERY_ERROR:
case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE:
case MPI2_EVENT_IR_PHYSICAL_DISK:
case MPI2_EVENT_PCIE_ENUMERATION: