scsi: mpi3mr: Add event handling debug prints

Link: https://lore.kernel.org/r/20210520152545.2710479-25-kashyap.desai@broadcom.com
Cc: sathya.prakash@broadcom.com
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Tomas Henzl <thenzl@redhat.com>
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Kashyap Desai <kashyap.desai@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

diff --git a/drivers/scsi/mpi3mr/mpi3mr_fw.c b/drivers/scsi/mpi3mr/mpi3mr_fw.c
index 4b4b811403bf20203fbcacd5d80c4bb27dca0ad1..acb2be62080abaa8a43acbe123ed8e04ff7cf67a 100644 (file)
--- a/drivers/scsi/mpi3mr/mpi3mr_fw.c
+++ b/drivers/scsi/mpi3mr/mpi3mr_fw.c
@@ -154,6 +154,120 @@ void mpi3mr_repost_sense_buf(struct mpi3mr_ioc *mrioc,
        spin_unlock(&mrioc->sbq_lock);
 }
 
+static void mpi3mr_print_event_data(struct mpi3mr_ioc *mrioc,
+       struct mpi3_event_notification_reply *event_reply)
+{
+       char *desc = NULL;
+       u16 event;
+
+       event = event_reply->event;
+
+       switch (event) {
+       case MPI3_EVENT_LOG_DATA:
+               desc = "Log Data";
+               break;
+       case MPI3_EVENT_CHANGE:
+               desc = "Event Change";
+               break;
+       case MPI3_EVENT_GPIO_INTERRUPT:
+               desc = "GPIO Interrupt";
+               break;
+       case MPI3_EVENT_TEMP_THRESHOLD:
+               desc = "Temperature Threshold";
+               break;
+       case MPI3_EVENT_CABLE_MGMT:
+               desc = "Cable Management";
+               break;
+       case MPI3_EVENT_ENERGY_PACK_CHANGE:
+               desc = "Energy Pack Change";
+               break;
+       case MPI3_EVENT_DEVICE_ADDED:
+       {
+               struct mpi3_device_page0 *event_data =
+                   (struct mpi3_device_page0 *)event_reply->event_data;
+               ioc_info(mrioc, "Device Added: dev=0x%04x Form=0x%x\n",
+                   event_data->dev_handle, event_data->device_form);
+               return;
+       }
+       case MPI3_EVENT_DEVICE_INFO_CHANGED:
+       {
+               struct mpi3_device_page0 *event_data =
+                   (struct mpi3_device_page0 *)event_reply->event_data;
+               ioc_info(mrioc, "Device Info Changed: dev=0x%04x Form=0x%x\n",
+                   event_data->dev_handle, event_data->device_form);
+               return;
+       }
+       case MPI3_EVENT_DEVICE_STATUS_CHANGE:
+       {
+               struct mpi3_event_data_device_status_change *event_data =
+                   (struct mpi3_event_data_device_status_change *)event_reply->event_data;
+               ioc_info(mrioc, "Device status Change: dev=0x%04x RC=0x%x\n",
+                   event_data->dev_handle, event_data->reason_code);
+               return;
+       }
+       case MPI3_EVENT_SAS_DISCOVERY:
+       {
+               struct mpi3_event_data_sas_discovery *event_data =
+                   (struct mpi3_event_data_sas_discovery *)event_reply->event_data;
+               ioc_info(mrioc, "SAS Discovery: (%s) status (0x%08x)\n",
+                   (event_data->reason_code == MPI3_EVENT_SAS_DISC_RC_STARTED) ?
+                   "start" : "stop",
+                   le32_to_cpu(event_data->discovery_status));
+               return;
+       }
+       case MPI3_EVENT_SAS_BROADCAST_PRIMITIVE:
+               desc = "SAS Broadcast Primitive";
+               break;
+       case MPI3_EVENT_SAS_NOTIFY_PRIMITIVE:
+               desc = "SAS Notify Primitive";
+               break;
+       case MPI3_EVENT_SAS_INIT_DEVICE_STATUS_CHANGE:
+               desc = "SAS Init Device Status Change";
+               break;
+       case MPI3_EVENT_SAS_INIT_TABLE_OVERFLOW:
+               desc = "SAS Init Table Overflow";
+               break;
+       case MPI3_EVENT_SAS_TOPOLOGY_CHANGE_LIST:
+               desc = "SAS Topology Change List";
+               break;
+       case MPI3_EVENT_ENCL_DEVICE_STATUS_CHANGE:
+               desc = "Enclosure Device Status Change";
+               break;
+       case MPI3_EVENT_HARD_RESET_RECEIVED:
+               desc = "Hard Reset Received";
+               break;
+       case MPI3_EVENT_SAS_PHY_COUNTER:
+               desc = "SAS PHY Counter";
+               break;
+       case MPI3_EVENT_SAS_DEVICE_DISCOVERY_ERROR:
+               desc = "SAS Device Discovery Error";
+               break;
+       case MPI3_EVENT_PCIE_TOPOLOGY_CHANGE_LIST:
+               desc = "PCIE Topology Change List";
+               break;
+       case MPI3_EVENT_PCIE_ENUMERATION:
+       {
+               struct mpi3_event_data_pcie_enumeration *event_data =
+                   (struct mpi3_event_data_pcie_enumeration *)event_reply->event_data;
+               ioc_info(mrioc, "PCIE Enumeration: (%s)",
+                   (event_data->reason_code ==
+                   MPI3_EVENT_PCIE_ENUM_RC_STARTED) ? "start" : "stop");
+               if (event_data->enumeration_status)
+                       ioc_info(mrioc, "enumeration_status(0x%08x)\n",
+                           le32_to_cpu(event_data->enumeration_status));
+               return;
+       }
+       case MPI3_EVENT_PREPARE_FOR_RESET:
+               desc = "Prepare For Reset";
+               break;
+       }
+
+       if (!desc)
+               return;
+
+       ioc_info(mrioc, "%s\n", desc);
+}
+
 static void mpi3mr_handle_events(struct mpi3mr_ioc *mrioc,
        struct mpi3_default_reply *def_reply)
 {
@@ -161,6 +275,7 @@ static void mpi3mr_handle_events(struct mpi3mr_ioc *mrioc,
            (struct mpi3_event_notification_reply *)def_reply;
 
        mrioc->change_count = le16_to_cpu(event_reply->ioc_change_count);
+       mpi3mr_print_event_data(mrioc, event_reply);
        mpi3mr_os_handle_events(mrioc, event_reply);
 }
 

diff --git a/drivers/scsi/mpi3mr/mpi3mr_os.c b/drivers/scsi/mpi3mr/mpi3mr_os.c
index 9969780d7dc21ea6abc0f96df2feec6ca948091f..836a27c282dcd43c77a3d2d2b1d9bab5e51ee96f 100644 (file)
--- a/drivers/scsi/mpi3mr/mpi3mr_os.c
+++ b/drivers/scsi/mpi3mr/mpi3mr_os.c
@@ -995,6 +995,85 @@ out:
                mpi3mr_tgtdev_put(tgtdev);
 }
 
+/**
+ * mpi3mr_sastopochg_evt_debug - SASTopoChange details
+ * @mrioc: Adapter instance reference
+ * @event_data: SAS topology change list event data
+ *
+ * Prints information about the SAS topology change event.
+ *
+ * Return: Nothing.
+ */
+static void
+mpi3mr_sastopochg_evt_debug(struct mpi3mr_ioc *mrioc,
+       struct mpi3_event_data_sas_topology_change_list *event_data)
+{
+       int i;
+       u16 handle;
+       u8 reason_code, phy_number;
+       char *status_str = NULL;
+       u8 link_rate, prev_link_rate;
+
+       switch (event_data->exp_status) {
+       case MPI3_EVENT_SAS_TOPO_ES_NOT_RESPONDING:
+               status_str = "remove";
+               break;
+       case MPI3_EVENT_SAS_TOPO_ES_RESPONDING:
+               status_str =  "responding";
+               break;
+       case MPI3_EVENT_SAS_TOPO_ES_DELAY_NOT_RESPONDING:
+               status_str = "remove delay";
+               break;
+       case MPI3_EVENT_SAS_TOPO_ES_NO_EXPANDER:
+               status_str = "direct attached";
+               break;
+       default:
+               status_str = "unknown status";
+               break;
+       }
+       ioc_info(mrioc, "%s :sas topology change: (%s)\n",
+           __func__, status_str);
+       ioc_info(mrioc,
+           "%s :\texpander_handle(0x%04x), enclosure_handle(0x%04x) start_phy(%02d), num_entries(%d)\n",
+           __func__, le16_to_cpu(event_data->expander_dev_handle),
+           le16_to_cpu(event_data->enclosure_handle),
+           event_data->start_phy_num, event_data->num_entries);
+       for (i = 0; i < event_data->num_entries; i++) {
+               handle = le16_to_cpu(event_data->phy_entry[i].attached_dev_handle);
+               if (!handle)
+                       continue;
+               phy_number = event_data->start_phy_num + i;
+               reason_code = event_data->phy_entry[i].status &
+                   MPI3_EVENT_SAS_TOPO_PHY_RC_MASK;
+               switch (reason_code) {
+               case MPI3_EVENT_SAS_TOPO_PHY_RC_TARG_NOT_RESPONDING:
+                       status_str = "target remove";
+                       break;
+               case MPI3_EVENT_SAS_TOPO_PHY_RC_DELAY_NOT_RESPONDING:
+                       status_str = "delay target remove";
+                       break;
+               case MPI3_EVENT_SAS_TOPO_PHY_RC_PHY_CHANGED:
+                       status_str = "link status change";
+                       break;
+               case MPI3_EVENT_SAS_TOPO_PHY_RC_NO_CHANGE:
+                       status_str = "link status no change";
+                       break;
+               case MPI3_EVENT_SAS_TOPO_PHY_RC_RESPONDING:
+                       status_str = "target responding";
+                       break;
+               default:
+                       status_str = "unknown";
+                       break;
+               }
+               link_rate = event_data->phy_entry[i].link_rate >> 4;
+               prev_link_rate = event_data->phy_entry[i].link_rate & 0xF;
+               ioc_info(mrioc,
+                   "%s :\tphy(%02d), attached_handle(0x%04x): %s: link rate: new(0x%02x), old(0x%02x)\n",
+                   __func__, phy_number, handle, status_str, link_rate,
+                   prev_link_rate);
+       }
+}
+
 /**
  * mpi3mr_sastopochg_evt_bh - SASTopologyChange evt bottomhalf
  * @mrioc: Adapter instance reference
@@ -1016,6 +1095,8 @@ static void mpi3mr_sastopochg_evt_bh(struct mpi3mr_ioc *mrioc,
        u8 reason_code;
        struct mpi3mr_tgt_dev *tgtdev = NULL;
 
+       mpi3mr_sastopochg_evt_debug(mrioc, event_data);
+
        for (i = 0; i < event_data->num_entries; i++) {
                handle = le16_to_cpu(event_data->phy_entry[i].attached_dev_handle);
                if (!handle)
@@ -1042,6 +1123,88 @@ static void mpi3mr_sastopochg_evt_bh(struct mpi3mr_ioc *mrioc,
        }
 }
 
+/**
+ * mpi3mr_pcietopochg_evt_debug - PCIeTopoChange details
+ * @mrioc: Adapter instance reference
+ * @event_data: PCIe topology change list event data
+ *
+ * Prints information about the PCIe topology change event.
+ *
+ * Return: Nothing.
+ */
+static void
+mpi3mr_pcietopochg_evt_debug(struct mpi3mr_ioc *mrioc,
+       struct mpi3_event_data_pcie_topology_change_list *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->switch_status) {
+       case MPI3_EVENT_PCIE_TOPO_SS_NOT_RESPONDING:
+               status_str = "remove";
+               break;
+       case MPI3_EVENT_PCIE_TOPO_SS_RESPONDING:
+               status_str =  "responding";
+               break;
+       case MPI3_EVENT_PCIE_TOPO_SS_DELAY_NOT_RESPONDING:
+               status_str = "remove delay";
+               break;
+       case MPI3_EVENT_PCIE_TOPO_SS_NO_PCIE_SWITCH:
+               status_str = "direct attached";
+               break;
+       default:
+               status_str = "unknown status";
+               break;
+       }
+       ioc_info(mrioc, "%s :pcie topology change: (%s)\n",
+           __func__, status_str);
+       ioc_info(mrioc,
+           "%s :\tswitch_handle(0x%04x), enclosure_handle(0x%04x) start_port(%02d), num_entries(%d)\n",
+           __func__, le16_to_cpu(event_data->switch_dev_handle),
+           le16_to_cpu(event_data->enclosure_handle),
+           event_data->start_port_num, event_data->num_entries);
+       for (i = 0; i < event_data->num_entries; i++) {
+               handle =
+                   le16_to_cpu(event_data->port_entry[i].attached_dev_handle);
+               if (!handle)
+                       continue;
+               port_number = event_data->start_port_num + i;
+               reason_code = event_data->port_entry[i].port_status;
+               switch (reason_code) {
+               case MPI3_EVENT_PCIE_TOPO_PS_NOT_RESPONDING:
+                       status_str = "target remove";
+                       break;
+               case MPI3_EVENT_PCIE_TOPO_PS_DELAY_NOT_RESPONDING:
+                       status_str = "delay target remove";
+                       break;
+               case MPI3_EVENT_PCIE_TOPO_PS_PORT_CHANGED:
+                       status_str = "link status change";
+                       break;
+               case MPI3_EVENT_PCIE_TOPO_PS_NO_CHANGE:
+                       status_str = "link status no change";
+                       break;
+               case MPI3_EVENT_PCIE_TOPO_PS_RESPONDING:
+                       status_str = "target responding";
+                       break;
+               default:
+                       status_str = "unknown";
+                       break;
+               }
+               link_rate = event_data->port_entry[i].current_port_info &
+                   MPI3_EVENT_PCIE_TOPO_PI_RATE_MASK;
+               prev_link_rate = event_data->port_entry[i].previous_port_info &
+                   MPI3_EVENT_PCIE_TOPO_PI_RATE_MASK;
+               ioc_info(mrioc,
+                   "%s :\tport(%02d), attached_handle(0x%04x): %s: link rate: new(0x%02x), old(0x%02x)\n",
+                   __func__, port_number, handle, status_str, link_rate,
+                   prev_link_rate);
+       }
+}
+
 /**
  * mpi3mr_pcietopochg_evt_bh - PCIeTopologyChange evt bottomhalf
  * @mrioc: Adapter instance reference
@@ -1063,6 +1226,8 @@ static void mpi3mr_pcietopochg_evt_bh(struct mpi3mr_ioc *mrioc,
        u8 reason_code;
        struct mpi3mr_tgt_dev *tgtdev = NULL;
 
+       mpi3mr_pcietopochg_evt_debug(mrioc, event_data);
+
        for (i = 0; i < event_data->num_entries; i++) {
                handle =
                    le16_to_cpu(event_data->port_entry[i].attached_dev_handle);
@@ -1899,7 +2064,6 @@ static void mpi3mr_setup_eedp(struct mpi3mr_ioc *mrioc,
        scsiio_req->sgl[0].eedp.flags = MPI3_SGE_FLAGS_ELEMENT_TYPE_EXTENDED;
 }
 
-
 /**
  * mpi3mr_build_sense_buffer - Map sense information
  * @desc: Sense type