[PATCH 04/13] mpt3sas: Handle NVMe PCIe device related events generated from firmware.

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* The controller firmware sends separate events for NVMe devices and
PCIe switches similar to existing SAS events.

* NVMe device detection, addition and removal are reported by the
firmware through PCIe Topology Change list events.

* The PCIe device state change events are sent when the firmware
detects any abnormal conditions with a NVMe device or switch.

* The enumeration event are sent when the firmware starts PCIe device
enumeration and stops.

* This patch has the code change to handle the events and add/remove
NVMe devices in driver's inventory.

Signed-off-by: Chaitra P B <chaitra.basappa@xxxxxxxxxxxx>
Signed-off-by: Suganath Prabu S <suganath-prabu.subramani@xxxxxxxxxxxx>
---
 drivers/scsi/mpt3sas/mpt3sas_base.c  |   30 ++-
 drivers/scsi/mpt3sas/mpt3sas_scsih.c |  468 +++++++++++++++++++++++++++++++++-
 2 files changed, 492 insertions(+), 6 deletions(-)

diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c
index a64cfce..09fecd0 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_base.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_base.c
@@ -663,6 +663,26 @@ _base_display_event_data(struct MPT3SAS_ADAPTER *ioc,
 	case MPI2_EVENT_ACTIVE_CABLE_EXCEPTION:
 		desc = "Active cable exception";
 		break;
+	case MPI2_EVENT_PCIE_DEVICE_STATUS_CHANGE:
+		desc = "PCIE Device Status Change";
+		break;
+	case MPI2_EVENT_PCIE_ENUMERATION:
+	{
+		Mpi26EventDataPCIeEnumeration_t *event_data =
+			(Mpi26EventDataPCIeEnumeration_t *)mpi_reply->EventData;
+		pr_info(MPT3SAS_FMT "PCIE Enumeration: (%s)", ioc->name,
+			   (event_data->ReasonCode ==
+				MPI26_EVENT_PCIE_ENUM_RC_STARTED) ?
+				"start" : "stop");
+		if (event_data->EnumerationStatus)
+			pr_info("enumeration_status(0x%08x)",
+				   le32_to_cpu(event_data->EnumerationStatus));
+		pr_info("\n");
+		return;
+	}
+	case MPI2_EVENT_PCIE_TOPOLOGY_CHANGE_LIST:
+		desc = "PCIE Topology Change List";
+		break;
 	}
 
 	if (!desc)
@@ -6187,8 +6207,16 @@ mpt3sas_base_attach(struct MPT3SAS_ADAPTER *ioc)
 	_base_unmask_events(ioc, MPI2_EVENT_IR_OPERATION_STATUS);
 	_base_unmask_events(ioc, MPI2_EVENT_LOG_ENTRY_ADDED);
 	_base_unmask_events(ioc, MPI2_EVENT_TEMP_THRESHOLD);
-	if (ioc->hba_mpi_version_belonged == MPI26_VERSION)
+	if (ioc->hba_mpi_version_belonged == MPI26_VERSION) {
 		_base_unmask_events(ioc, MPI2_EVENT_ACTIVE_CABLE_EXCEPTION);
+		if (ioc->is_gen35_ioc) {
+			_base_unmask_events(ioc,
+				MPI2_EVENT_PCIE_DEVICE_STATUS_CHANGE);
+			_base_unmask_events(ioc, MPI2_EVENT_PCIE_ENUMERATION);
+			_base_unmask_events(ioc,
+				MPI2_EVENT_PCIE_TOPOLOGY_CHANGE_LIST);
+		}
+	}
 
 	r = _base_make_ioc_operational(ioc);
 	if (r)
diff --git a/drivers/scsi/mpt3sas/mpt3sas_scsih.c b/drivers/scsi/mpt3sas/mpt3sas_scsih.c
index 45b8d94..2a6a8e6 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_scsih.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_scsih.c
@@ -3132,8 +3132,6 @@ _scsih_block_io_device(struct MPT3SAS_ADAPTER *ioc, u16 handle)
 	struct _sas_device *sas_device;
 
 	sas_device = mpt3sas_get_sdev_by_handle(ioc, handle);
-	if (!sas_device)
-		return;
 
 	shost_for_each_device(sdev, ioc->shost) {
 		sas_device_priv_data = sdev->hostdata;
@@ -3143,7 +3141,7 @@ _scsih_block_io_device(struct MPT3SAS_ADAPTER *ioc, u16 handle)
 			continue;
 		if (sas_device_priv_data->block)
 			continue;
-		if (sas_device->pend_sas_rphy_add)
+		if (sas_device && sas_device->pend_sas_rphy_add)
 			continue;
 		if (sas_device_priv_data->ignore_delay_remove) {
 			sdev_printk(KERN_INFO, sdev,
@@ -3154,7 +3152,8 @@ _scsih_block_io_device(struct MPT3SAS_ADAPTER *ioc, u16 handle)
 		_scsih_internal_device_block(sdev, sas_device_priv_data);
 	}
 
-	sas_device_put(sas_device);
+	if (sas_device)
+		sas_device_put(sas_device);
 }
 
 /**
@@ -3238,6 +3237,33 @@ _scsih_block_io_to_children_attached_directly(struct MPT3SAS_ADAPTER *ioc,
 }
 
 /**
+ * _scsih_block_io_to_pcie_children_attached_directly
+ * @ioc: per adapter object
+ * @event_data: topology change event data
+ *
+ * This routine set sdev state to SDEV_BLOCK for all devices
+ * direct attached during device pull/reconnect.
+ */
+static void
+_scsih_block_io_to_pcie_children_attached_directly(struct MPT3SAS_ADAPTER *ioc,
+		Mpi26EventDataPCIeTopologyChangeList_t *event_data)
+{
+	int i;
+	u16 handle;
+	u16 reason_code;
+
+	for (i = 0; i < event_data->NumEntries; i++) {
+		handle =
+			le16_to_cpu(event_data->PortEntry[i].AttachedDevHandle);
+		if (!handle)
+			continue;
+		reason_code = event_data->PortEntry[i].PortStatus;
+		if (reason_code ==
+				MPI26_EVENT_PCIE_TOPO_PS_DELAY_NOT_RESPONDING)
+			_scsih_block_io_device(ioc, handle);
+	}
+}
+/**
  * _scsih_tm_tr_send - send task management request
  * @ioc: per adapter object
  * @handle: device handle
@@ -3856,6 +3882,81 @@ _scsih_check_topo_delete_events(struct MPT3SAS_ADAPTER *ioc,
 }
 
 /**
+ * _scsih_check_pcie_topo_remove_events - sanity check on topo
+ * events
+ * @ioc: per adapter object
+ * @event_data: the event data payload
+ *
+ * This handles the case where driver receives multiple switch
+ * or device add and delete events in a single shot.  When there
+ * is a delete event the routine will void any pending add
+ * events waiting in the event queue.
+ *
+ * Return nothing.
+ */
+static void
+_scsih_check_pcie_topo_remove_events(struct MPT3SAS_ADAPTER *ioc,
+	Mpi26EventDataPCIeTopologyChangeList_t *event_data)
+{
+	struct fw_event_work *fw_event;
+	Mpi26EventDataPCIeTopologyChangeList_t *local_event_data;
+	unsigned long flags;
+	int i, reason_code;
+	u16 handle, switch_handle;
+
+	for (i = 0; i < event_data->NumEntries; i++) {
+		handle =
+			le16_to_cpu(event_data->PortEntry[i].AttachedDevHandle);
+		if (!handle)
+			continue;
+		reason_code = event_data->PortEntry[i].PortStatus;
+		if (reason_code == MPI26_EVENT_PCIE_TOPO_PS_NOT_RESPONDING)
+			_scsih_tm_tr_send(ioc, handle);
+	}
+
+	switch_handle = le16_to_cpu(event_data->SwitchDevHandle);
+	if (!switch_handle) {
+		_scsih_block_io_to_pcie_children_attached_directly(
+							ioc, event_data);
+		return;
+	}
+    /* TODO We are not supporting cascaded PCIe Switch removal yet*/
+	if ((event_data->SwitchStatus
+		== MPI26_EVENT_PCIE_TOPO_SS_DELAY_NOT_RESPONDING) ||
+		(event_data->SwitchStatus ==
+					MPI26_EVENT_PCIE_TOPO_SS_RESPONDING))
+		_scsih_block_io_to_pcie_children_attached_directly(
+							ioc, event_data);
+
+	if (event_data->SwitchStatus != MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING)
+		return;
+
+	/* mark ignore flag for pending events */
+	spin_lock_irqsave(&ioc->fw_event_lock, flags);
+	list_for_each_entry(fw_event, &ioc->fw_event_list, list) {
+		if (fw_event->event != MPI2_EVENT_PCIE_TOPOLOGY_CHANGE_LIST ||
+			fw_event->ignore)
+			continue;
+		local_event_data =
+			(Mpi26EventDataPCIeTopologyChangeList_t *)
+			fw_event->event_data;
+		if (local_event_data->SwitchStatus ==
+		    MPI2_EVENT_SAS_TOPO_ES_ADDED ||
+		    local_event_data->SwitchStatus ==
+		    MPI2_EVENT_SAS_TOPO_ES_RESPONDING) {
+			if (le16_to_cpu(local_event_data->SwitchDevHandle) ==
+				switch_handle) {
+				dewtprintk(ioc, pr_info(MPT3SAS_FMT
+					"setting ignoring flag for switch event\n",
+					ioc->name));
+				fw_event->ignore = 1;
+			}
+		}
+	}
+	spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
+}
+
+/**
  * _scsih_set_volume_delete_flag - setting volume delete flag
  * @ioc: per adapter object
  * @handle: device handle
@@ -6155,7 +6256,319 @@ out:
 		sas_device_put(sas_device);
 
 	spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
+}
+
+
+/**
+ * _scsih_pcie_topology_change_event_debug - debug for topology
+ * event
+ * @ioc: per adapter object
+ * @event_data: event data payload
+ * Context: user.
+ */
+static void
+_scsih_pcie_topology_change_event_debug(struct MPT3SAS_ADAPTER *ioc,
+	Mpi26EventDataPCIeTopologyChangeList_t *event_data)
+{
+	int i;
+	u16 handle;
+	u16 reason_code;
+	u8 port_number;
+	char *status_str = NULL;
+	u8 link_rate, prev_link_rate;
 
+	switch (event_data->SwitchStatus) {
+	case MPI26_EVENT_PCIE_TOPO_SS_ADDED:
+		status_str = "add";
+		break;
+	case MPI26_EVENT_PCIE_TOPO_SS_NOT_RESPONDING:
+		status_str = "remove";
+		break;
+	case MPI26_EVENT_PCIE_TOPO_SS_RESPONDING:
+	case 0:
+		status_str =  "responding";
+		break;
+	case MPI26_EVENT_PCIE_TOPO_SS_DELAY_NOT_RESPONDING:
+		status_str = "remove delay";
+		break;
+	default:
+		status_str = "unknown status";
+		break;
+	}
+	pr_info(MPT3SAS_FMT "pcie topology change: (%s)\n",
+		ioc->name, status_str);
+	pr_info("\tswitch_handle(0x%04x), enclosure_handle(0x%04x)"
+		"start_port(%02d), count(%d)\n",
+		le16_to_cpu(event_data->SwitchDevHandle),
+		le16_to_cpu(event_data->EnclosureHandle),
+		event_data->StartPortNum, event_data->NumEntries);
+	for (i = 0; i < event_data->NumEntries; i++) {
+		handle =
+			le16_to_cpu(event_data->PortEntry[i].AttachedDevHandle);
+		if (!handle)
+			continue;
+		port_number = event_data->StartPortNum + i;
+		reason_code = event_data->PortEntry[i].PortStatus;
+		switch (reason_code) {
+		case MPI26_EVENT_PCIE_TOPO_PS_DEV_ADDED:
+			status_str = "target add";
+			break;
+		case MPI26_EVENT_PCIE_TOPO_PS_NOT_RESPONDING:
+			status_str = "target remove";
+			break;
+		case MPI26_EVENT_PCIE_TOPO_PS_DELAY_NOT_RESPONDING:
+			status_str = "delay target remove";
+			break;
+		case MPI26_EVENT_PCIE_TOPO_PS_PORT_CHANGED:
+			status_str = "link rate change";
+			break;
+		case MPI26_EVENT_PCIE_TOPO_PS_NO_CHANGE:
+			status_str = "target responding";
+			break;
+		default:
+			status_str = "unknown";
+			break;
+		}
+		link_rate = event_data->PortEntry[i].CurrentPortInfo &
+			MPI26_EVENT_PCIE_TOPO_PI_RATE_MASK;
+		prev_link_rate = event_data->PortEntry[i].PreviousPortInfo &
+			MPI26_EVENT_PCIE_TOPO_PI_RATE_MASK;
+		pr_info("\tport(%02d), attached_handle(0x%04x): %s:"
+			" link rate: new(0x%02x), old(0x%02x)\n", port_number,
+			handle, status_str, link_rate, prev_link_rate);
+	}
+}
+
+/**
+ * _scsih_pcie_topology_change_event - handle PCIe topology
+ *  changes
+ * @ioc: per adapter object
+ * @fw_event: The fw_event_work object
+ * Context: user.
+ *
+ */
+static int
+_scsih_pcie_topology_change_event(struct MPT3SAS_ADAPTER *ioc,
+	struct fw_event_work *fw_event)
+{
+	int i;
+	u16 handle;
+	u16 reason_code;
+	u8 link_rate, prev_link_rate;
+	unsigned long flags;
+	int rc;
+	int requeue_event;
+	Mpi26EventDataPCIeTopologyChangeList_t *event_data =
+		(Mpi26EventDataPCIeTopologyChangeList_t *) fw_event->event_data;
+	struct _pcie_device *pcie_device;
+
+	if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK)
+		_scsih_pcie_topology_change_event_debug(ioc, event_data);
+
+	if (ioc->shost_recovery || ioc->remove_host ||
+		ioc->pci_error_recovery)
+		return 0;
+
+	if (fw_event->ignore) {
+		dewtprintk(ioc, pr_info(MPT3SAS_FMT "ignoring switch event\n",
+			ioc->name));
+		return 0;
+	}
+
+	/* handle siblings events */
+	for (i = 0; i < event_data->NumEntries; i++) {
+		if (fw_event->ignore) {
+			dewtprintk(ioc, pr_info(MPT3SAS_FMT
+				"ignoring switch event\n", ioc->name));
+			return 0;
+		}
+		if (ioc->remove_host || ioc->pci_error_recovery)
+			return 0;
+		reason_code = event_data->PortEntry[i].PortStatus;
+		handle =
+			le16_to_cpu(event_data->PortEntry[i].AttachedDevHandle);
+		if (!handle)
+			continue;
+
+		link_rate = event_data->PortEntry[i].CurrentPortInfo
+			& MPI26_EVENT_PCIE_TOPO_PI_RATE_MASK;
+		prev_link_rate = event_data->PortEntry[i].PreviousPortInfo
+			& MPI26_EVENT_PCIE_TOPO_PI_RATE_MASK;
+
+		switch (reason_code) {
+		case MPI26_EVENT_PCIE_TOPO_PS_PORT_CHANGED:
+			if (ioc->shost_recovery)
+				break;
+			if (link_rate == prev_link_rate)
+				break;
+			if (link_rate < MPI26_EVENT_PCIE_TOPO_PI_RATE_2_5)
+				break;
+
+			_scsih_pcie_check_device(ioc, handle);
+
+			/* This code after this point handles the test case
+			 * where a device has been added, however its returning
+			 * BUSY for sometime.  Then before the Device Missing
+			 * Delay expires and the device becomes READY, the
+			 * device is removed and added back.
+			 */
+			spin_lock_irqsave(&ioc->pcie_device_lock, flags);
+			pcie_device = __mpt3sas_get_pdev_by_handle(ioc, handle);
+			spin_unlock_irqrestore(&ioc->pcie_device_lock, flags);
+
+			if (pcie_device) {
+				pcie_device_put(pcie_device);
+				break;
+			}
+
+			if (!test_bit(handle, ioc->pend_os_device_add))
+				break;
+
+			dewtprintk(ioc, pr_info(MPT3SAS_FMT
+				"handle(0x%04x) device not found: convert "
+				"event to a device add\n", ioc->name, handle));
+			event_data->PortEntry[i].PortStatus &= 0xF0;
+			event_data->PortEntry[i].PortStatus |=
+				MPI26_EVENT_PCIE_TOPO_PS_DEV_ADDED;
+		case MPI26_EVENT_PCIE_TOPO_PS_DEV_ADDED:
+			if (ioc->shost_recovery)
+				break;
+			if (link_rate < MPI26_EVENT_PCIE_TOPO_PI_RATE_2_5)
+				break;
+
+			rc = _scsih_pcie_add_device(ioc, handle);
+			if (!rc) {
+				/* mark entry vacant */
+				/* TODO This needs to be reviewed and fixed,
+				 * we dont have an entry
+				 * to make an event void like vacant
+				 */
+				event_data->PortEntry[i].PortStatus |=
+					MPI26_EVENT_PCIE_TOPO_PS_NO_CHANGE;
+			}
+			break;
+		case MPI26_EVENT_PCIE_TOPO_PS_NOT_RESPONDING:
+			_scsih_pcie_device_remove_by_handle(ioc, handle);
+			break;
+		}
+	}
+	return requeue_event;
+}
+
+/**
+ * _scsih_pcie_device_status_change_event_debug - debug for
+ * device event
+ * @event_data: event data payload
+ * Context: user.
+ *
+ * Return nothing.
+ */
+static void
+_scsih_pcie_device_status_change_event_debug(struct MPT3SAS_ADAPTER *ioc,
+	Mpi26EventDataPCIeDeviceStatusChange_t *event_data)
+{
+	char *reason_str = NULL;
+
+	switch (event_data->ReasonCode) {
+	case MPI26_EVENT_PCIDEV_STAT_RC_SMART_DATA:
+		reason_str = "smart data";
+		break;
+	case MPI26_EVENT_PCIDEV_STAT_RC_UNSUPPORTED:
+		reason_str = "unsupported device discovered";
+		break;
+	case MPI26_EVENT_PCIDEV_STAT_RC_INTERNAL_DEVICE_RESET:
+		reason_str = "internal device reset";
+		break;
+	case MPI26_EVENT_PCIDEV_STAT_RC_TASK_ABORT_INTERNAL:
+		reason_str = "internal task abort";
+		break;
+	case MPI26_EVENT_PCIDEV_STAT_RC_ABORT_TASK_SET_INTERNAL:
+		reason_str = "internal task abort set";
+		break;
+	case MPI26_EVENT_PCIDEV_STAT_RC_CLEAR_TASK_SET_INTERNAL:
+		reason_str = "internal clear task set";
+		break;
+	case MPI26_EVENT_PCIDEV_STAT_RC_QUERY_TASK_INTERNAL:
+		reason_str = "internal query task";
+		break;
+	case MPI26_EVENT_PCIDEV_STAT_RC_DEV_INIT_FAILURE:
+		reason_str = "device init failure";
+		break;
+	case MPI26_EVENT_PCIDEV_STAT_RC_CMP_INTERNAL_DEV_RESET:
+		reason_str = "internal device reset complete";
+		break;
+	case MPI26_EVENT_PCIDEV_STAT_RC_CMP_TASK_ABORT_INTERNAL:
+		reason_str = "internal task abort complete";
+		break;
+	case MPI26_EVENT_PCIDEV_STAT_RC_ASYNC_NOTIFICATION:
+		reason_str = "internal async notification";
+		break;
+	default:
+		reason_str = "unknown reason";
+		break;
+	}
+
+	pr_info(MPT3SAS_FMT "PCIE device status change: (%s)\n"
+		"\thandle(0x%04x), WWID(0x%016llx), tag(%d)",
+		ioc->name, reason_str, le16_to_cpu(event_data->DevHandle),
+		(unsigned long long)le64_to_cpu(event_data->WWID),
+		le16_to_cpu(event_data->TaskTag));
+	if (event_data->ReasonCode == MPI26_EVENT_PCIDEV_STAT_RC_SMART_DATA)
+		pr_info(MPT3SAS_FMT ", ASC(0x%x), ASCQ(0x%x)\n", ioc->name,
+			event_data->ASC, event_data->ASCQ);
+	pr_info("\n");
+}
+
+/**
+ * _scsih_pcie_device_status_change_event - handle device status
+ * change
+ * @ioc: per adapter object
+ * @fw_event: The fw_event_work object
+ * Context: user.
+ *
+ * Return nothing.
+ */
+static void
+_scsih_pcie_device_status_change_event(struct MPT3SAS_ADAPTER *ioc,
+	struct fw_event_work *fw_event)
+{
+	struct MPT3SAS_TARGET *target_priv_data;
+	struct _pcie_device *pcie_device;
+	u64 wwid;
+	unsigned long flags;
+	Mpi26EventDataPCIeDeviceStatusChange_t *event_data =
+		(Mpi26EventDataPCIeDeviceStatusChange_t *)fw_event->event_data;
+	if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK)
+		_scsih_pcie_device_status_change_event_debug(ioc,
+			event_data);
+
+	if (event_data->ReasonCode !=
+		MPI26_EVENT_PCIDEV_STAT_RC_INTERNAL_DEVICE_RESET &&
+		event_data->ReasonCode !=
+		MPI26_EVENT_PCIDEV_STAT_RC_CMP_INTERNAL_DEV_RESET)
+		return;
+
+	spin_lock_irqsave(&ioc->pcie_device_lock, flags);
+	wwid = le64_to_cpu(event_data->WWID);
+	pcie_device = __mpt3sas_get_pdev_by_wwid(ioc, wwid);
+
+	if (!pcie_device || !pcie_device->starget)
+		goto out;
+
+	target_priv_data = pcie_device->starget->hostdata;
+	if (!target_priv_data)
+		goto out;
+
+	if (event_data->ReasonCode ==
+		MPI26_EVENT_PCIDEV_STAT_RC_INTERNAL_DEVICE_RESET)
+		target_priv_data->tm_busy = 1;
+	else
+		target_priv_data->tm_busy = 0;
+out:
+	if (pcie_device)
+		pcie_device_put(pcie_device);
+
+	spin_unlock_irqrestore(&ioc->pcie_device_lock, flags);
 }
 
 /**
@@ -6409,6 +6822,34 @@ _scsih_sas_discovery_event(struct MPT3SAS_ADAPTER *ioc,
 }
 
 /**
+ * _scsih_pcie_enumeration_event - handle enumeration events
+ * @ioc: per adapter object
+ * @fw_event: The fw_event_work object
+ * Context: user.
+ *
+ * Return nothing.
+ */
+static void
+_scsih_pcie_enumeration_event(struct MPT3SAS_ADAPTER *ioc,
+	struct fw_event_work *fw_event)
+{
+	Mpi26EventDataPCIeEnumeration_t *event_data =
+		(Mpi26EventDataPCIeEnumeration_t *)fw_event->event_data;
+
+	if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) {
+		pr_info(MPT3SAS_FMT "pcie enumeration event: (%s) Flag 0x%02x",
+			ioc->name,
+			((event_data->ReasonCode ==
+			MPI26_EVENT_PCIE_ENUM_RC_STARTED) ?
+			"started" : "completed"), event_data->Flags);
+	if (event_data->EnumerationStatus)
+		pr_info("enumeration_status(0x%08x)",
+		    le32_to_cpu(event_data->EnumerationStatus));
+	pr_info("\n");
+	}
+}
+
+/**
  * _scsih_ir_fastpath - turn on fastpath for IR physdisk
  * @ioc: per adapter object
  * @handle: device handle for physical disk
@@ -7976,7 +8417,7 @@ _mpt3sas_fw_work(struct MPT3SAS_ADAPTER *ioc, struct fw_event_work *fw_event)
 				goto out;
 			ssleep(1);
 		}
-		_scsih_remove_unresponding_sas_devices(ioc);
+		_scsih_remove_unresponding_devices(ioc);
 		_scsih_scan_for_devices_after_reset(ioc);
 		break;
 	case MPT3SAS_PORT_ENABLE_COMPLETE:
@@ -8019,6 +8460,16 @@ _mpt3sas_fw_work(struct MPT3SAS_ADAPTER *ioc, struct fw_event_work *fw_event)
 	case MPI2_EVENT_IR_OPERATION_STATUS:
 		_scsih_sas_ir_operation_status_event(ioc, fw_event);
 		break;
+	case MPI2_EVENT_PCIE_DEVICE_STATUS_CHANGE:
+		_scsih_pcie_device_status_change_event(ioc, fw_event);
+		break;
+	case MPI2_EVENT_PCIE_ENUMERATION:
+		_scsih_pcie_enumeration_event(ioc, fw_event);
+		break;
+	case MPI2_EVENT_PCIE_TOPOLOGY_CHANGE_LIST:
+		_scsih_pcie_topology_change_event(ioc, fw_event);
+			return;
+	break;
 	}
 out:
 	fw_event_work_put(fw_event);
@@ -8109,6 +8560,11 @@ mpt3sas_scsih_event_callback(struct MPT3SAS_ADAPTER *ioc, u8 msix_index,
 		    (Mpi2EventDataSasTopologyChangeList_t *)
 		    mpi_reply->EventData);
 		break;
+	case MPI2_EVENT_PCIE_TOPOLOGY_CHANGE_LIST:
+	_scsih_check_pcie_topo_remove_events(ioc,
+		    (Mpi26EventDataPCIeTopologyChangeList_t *)
+		    mpi_reply->EventData);
+		break;
 	case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST:
 		_scsih_check_ir_config_unhide_events(ioc,
 		    (Mpi2EventDataIrConfigChangeList_t *)
@@ -8171,6 +8627,8 @@ mpt3sas_scsih_event_callback(struct MPT3SAS_ADAPTER *ioc, u8 msix_index,
 	case MPI2_EVENT_SAS_DISCOVERY:
 	case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE:
 	case MPI2_EVENT_IR_PHYSICAL_DISK:
+	case MPI2_EVENT_PCIE_ENUMERATION:
+	case MPI2_EVENT_PCIE_DEVICE_STATUS_CHANGE:
 		break;
 
 	case MPI2_EVENT_TEMP_THRESHOLD:
-- 
1.7.1




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