[PATCH v2 08/24] mpi3mr: add support of event handling part-3

From: Kashyap Desai <kashyap.desai@broadcom.com>
To: linux-scsi@vger.kernel.org
Cc: Kashyap Desai <kashyap.desai@broadcom.com>, sathya.prakash@broadcom.com
Subject: [PATCH v2 08/24] mpi3mr: add support of event handling part-3
Date: Wed,  7 Apr 2021 07:34:35 +0530	[thread overview]
Message-ID: <20210407020451.924822-9-kashyap.desai@broadcom.com> (raw)
In-Reply-To: <20210407020451.924822-1-kashyap.desai@broadcom.com>

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Firmware can report various MPI Events.
Support for certain Events (as listed below) are enabled in the driver
and their processing in driver is covered in this patch.

MPI3_EVENT_SAS_BROADCAST_PRIMITIVE
MPI3_EVENT_CABLE_MGMT
MPI3_EVENT_ENERGY_PACK_CHANGE

Signed-off-by: Kashyap Desai <kashyap.desai@broadcom.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Cc: sathya.prakash@broadcom.com
---
 drivers/scsi/mpi3mr/mpi3mr_fw.c |  3 +++
 drivers/scsi/mpi3mr/mpi3mr_os.c | 37 +++++++++++++++++++++++++++++++++
 2 files changed, 40 insertions(+)

diff --git a/drivers/scsi/mpi3mr/mpi3mr_fw.c b/drivers/scsi/mpi3mr/mpi3mr_fw.c
index d9ac045428e8..a5c9a0f7cb8e 100644
--- a/drivers/scsi/mpi3mr/mpi3mr_fw.c
+++ b/drivers/scsi/mpi3mr/mpi3mr_fw.c
@@ -2745,8 +2745,11 @@ int mpi3mr_init_ioc(struct mpi3mr_ioc *mrioc)
 	mpi3mr_unmask_events(mrioc, MPI3_EVENT_SAS_TOPOLOGY_CHANGE_LIST);
 	mpi3mr_unmask_events(mrioc, MPI3_EVENT_SAS_DISCOVERY);
 	mpi3mr_unmask_events(mrioc, MPI3_EVENT_SAS_DEVICE_DISCOVERY_ERROR);
+	mpi3mr_unmask_events(mrioc, MPI3_EVENT_SAS_BROADCAST_PRIMITIVE);
 	mpi3mr_unmask_events(mrioc, MPI3_EVENT_PCIE_TOPOLOGY_CHANGE_LIST);
 	mpi3mr_unmask_events(mrioc, MPI3_EVENT_PCIE_ENUMERATION);
+	mpi3mr_unmask_events(mrioc, MPI3_EVENT_CABLE_MGMT);
+	mpi3mr_unmask_events(mrioc, MPI3_EVENT_ENERGY_PACK_CHANGE);
 
 	retval = mpi3mr_issue_event_notification(mrioc);
 	if (retval) {
diff --git a/drivers/scsi/mpi3mr/mpi3mr_os.c b/drivers/scsi/mpi3mr/mpi3mr_os.c
index 40b46eadcd32..cd30e26a2225 100644
--- a/drivers/scsi/mpi3mr/mpi3mr_os.c
+++ b/drivers/scsi/mpi3mr/mpi3mr_os.c
@@ -1497,6 +1497,36 @@ static void mpi3mr_devstatuschg_evt_th(struct mpi3mr_ioc *mrioc,
 
 }
 
+/**
+ * mpi3mr_energypackchg_evt_th - Energy pack change evt tophalf
+ * @mrioc: Adapter instance reference
+ * @event_reply: Event data
+ *
+ * Identifies the new shutdown timeout value and update.
+ *
+ * Return: Nothing
+ */
+static void mpi3mr_energypackchg_evt_th(struct mpi3mr_ioc *mrioc,
+	Mpi3EventNotificationReply_t *event_reply)
+{
+	Mpi3EventDataEnergyPackChange_t *evtdata =
+	    (Mpi3EventDataEnergyPackChange_t *)event_reply->EventData;
+	u16 shutdown_timeout = le16_to_cpu(evtdata->ShutdownTimeout);
+
+	if (shutdown_timeout <= 0) {
+		ioc_warn(mrioc,
+		    "%s :Invalid Shutdown Timeout received = %d\n",
+		    __func__, shutdown_timeout);
+		return;
+	}
+
+	ioc_info(mrioc,
+	    "%s :Previous Shutdown Timeout Value = %d New Shutdown Timeout Value = %d\n",
+	    __func__, mrioc->facts.shutdown_timeout, shutdown_timeout);
+	mrioc->facts.shutdown_timeout = shutdown_timeout;
+}
+
+
 /**
  * mpi3mr_os_handle_events - Firmware event handler
  * @mrioc: Adapter instance reference
@@ -1560,9 +1590,16 @@ void mpi3mr_os_handle_events(struct mpi3mr_ioc *mrioc,
 		process_evt_bh = 1;
 		break;
 	}
+	case MPI3_EVENT_ENERGY_PACK_CHANGE:
+	{
+		mpi3mr_energypackchg_evt_th(mrioc, event_reply);
+		break;
+	}
 	case MPI3_EVENT_ENCL_DEVICE_STATUS_CHANGE:
 	case MPI3_EVENT_SAS_DISCOVERY:
+	case MPI3_EVENT_CABLE_MGMT:
 	case MPI3_EVENT_SAS_DEVICE_DISCOVERY_ERROR:
+	case MPI3_EVENT_SAS_BROADCAST_PRIMITIVE:
 	case MPI3_EVENT_PCIE_ENUMERATION:
 		break;
 	default:
-- 
2.18.1


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