* 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.basa...@broadcom.com>
Signed-off-by: Suganath Prabu S <suganath-prabu.subram...@broadcom.com>
---
 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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