Commit 9fc4abfe authored by Kashyap Desai's avatar Kashyap Desai Committed by Martin K. Petersen
Browse files

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: 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 74e1f30a

drivers/scsi/mpi3mr/mpi3mr_fw.c

+115 −0
Original line number Diff line number Diff line
@@ -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);

}

drivers/scsi/mpi3mr/mpi3mr_os.c

+165 −1
Original line number Diff line number Diff line
@@ -995,6 +995,85 @@ static void mpi3mr_devinfochg_evt_bh(struct mpi3mr_ioc *mrioc, 
		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