Commit e36710dc authored by Kashyap Desai's avatar Kashyap Desai Committed by Martin K. Petersen
Browse files

scsi: mpi3mr: Additional event handling 

Implement support for handling the following MPI events:

 - MPI3_EVENT_SAS_BROADCAST_PRIMITIVE
 - MPI3_EVENT_CABLE_MGMT
 - MPI3_EVENT_ENERGY_PACK_CHANGE

Link: https://lore.kernel.org/r/20210520152545.2710479-9-kashyap.desai@broadcom.com


Cc: sathya.prakash@broadcom.com
Reviewed-by: default avatarHannes Reinecke <hare@suse.de>
Reviewed-by: default avatarTomas Henzl <thenzl@redhat.com>
Reviewed-by: default avatarHimanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: default avatarKashyap Desai <kashyap.desai@broadcom.com>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent 8e653455

drivers/scsi/mpi3mr/mpi3mr_fw.c

+3 −0
Original line number Diff line number Diff line
@@ -2728,8 +2728,11 @@ 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) {

drivers/scsi/mpi3mr/mpi3mr_os.c

+36 −0
Original line number Diff line number Diff line
@@ -1484,6 +1484,35 @@ static void mpi3mr_devstatuschg_evt_th(struct mpi3mr_ioc *mrioc, 
		mpi3mr_tgtdev_put(tgtdev);

}



/**

 * 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,

	struct mpi3_event_notification_reply *event_reply)

{

	struct mpi3_event_data_energy_pack_change *evtdata =

	    (struct mpi3_event_data_energy_pack_change *)event_reply->event_data;

	u16 shutdown_timeout = le16_to_cpu(evtdata->shutdown_timeout);



	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
@@ -1547,9 +1576,16 @@ 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: