[linux-block.git] / drivers / scsi / mpt3sas / mpt3sas_trigger_diag.c

/*
 * This module provides common API to set Diagnostic trigger for MPT
 * (Message Passing Technology) based controllers
 *
 * This code is based on drivers/scsi/mpt3sas/mpt3sas_trigger_diag.c
 * Copyright (C) 2012-2014  LSI Corporation
 * Copyright (C) 2013-2014 Avago Technologies
 *  (mailto: MPT-FusionLinux.pdl@avagotech.com)
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * NO WARRANTY
 * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
 * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
 * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
 * solely responsible for determining the appropriateness of using and
 * distributing the Program and assumes all risks associated with its
 * exercise of rights under this Agreement, including but not limited to
 * the risks and costs of program errors, damage to or loss of data,
 * programs or equipment, and unavailability or interruption of operations.

 * DISCLAIMER OF LIABILITY
 * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
 * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
 * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES

 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
 * USA.
 */

#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/errno.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/types.h>
#include <linux/pci.h>
#include <linux/delay.h>
#include <linux/compat.h>
#include <linux/poll.h>

#include <linux/io.h>
#include <linux/uaccess.h>

#include "mpt3sas_base.h"

/**
 * _mpt3sas_raise_sigio - notifiy app
 * @ioc: per adapter object
 * @event_data: ?
 */
static void
_mpt3sas_raise_sigio(struct MPT3SAS_ADAPTER *ioc,
	struct SL_WH_TRIGGERS_EVENT_DATA_T *event_data)
{
	Mpi2EventNotificationReply_t *mpi_reply;
	u16 sz, event_data_sz;
	unsigned long flags;

	dTriggerDiagPrintk(ioc, ioc_info(ioc, "%s: enter\n", __func__));

	sz = offsetof(Mpi2EventNotificationReply_t, EventData) +
	    sizeof(struct SL_WH_TRIGGERS_EVENT_DATA_T) + 4;
	mpi_reply = kzalloc(sz, GFP_KERNEL);
	if (!mpi_reply)
		goto out;
	mpi_reply->Event = cpu_to_le16(MPI3_EVENT_DIAGNOSTIC_TRIGGER_FIRED);
	event_data_sz = (sizeof(struct SL_WH_TRIGGERS_EVENT_DATA_T) + 4) / 4;
	mpi_reply->EventDataLength = cpu_to_le16(event_data_sz);
	memcpy(&mpi_reply->EventData, event_data,
	    sizeof(struct SL_WH_TRIGGERS_EVENT_DATA_T));
	dTriggerDiagPrintk(ioc,
			   ioc_info(ioc, "%s: add to driver event log\n",
				    __func__));
	mpt3sas_ctl_add_to_event_log(ioc, mpi_reply);
	kfree(mpi_reply);
 out:

	/* clearing the diag_trigger_active flag */
	spin_lock_irqsave(&ioc->diag_trigger_lock, flags);
	dTriggerDiagPrintk(ioc,
			   ioc_info(ioc, "%s: clearing diag_trigger_active flag\n",
				    __func__));
	ioc->diag_trigger_active = 0;
	spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags);

	dTriggerDiagPrintk(ioc, ioc_info(ioc, "%s: exit\n",
					 __func__));
}

/**
 * mpt3sas_process_trigger_data - process the event data for the trigger
 * @ioc: per adapter object
 * @event_data: ?
 */
void
mpt3sas_process_trigger_data(struct MPT3SAS_ADAPTER *ioc,
	struct SL_WH_TRIGGERS_EVENT_DATA_T *event_data)
{
	u8 issue_reset = 0;
	u32 *trig_data = (u32 *)&event_data->u.master;

	dTriggerDiagPrintk(ioc, ioc_info(ioc, "%s: enter\n", __func__));

	/* release the diag buffer trace */
	if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
	    MPT3_DIAG_BUFFER_IS_RELEASED) == 0) {
		/*
		 * add a log message so that user knows which event caused
		 * the release
		 */
		ioc_info(ioc,
		    "%s: Releasing the trace buffer. Trigger_Type 0x%08x, Data[0] 0x%08x, Data[1] 0x%08x\n",
		    __func__, event_data->trigger_type,
		    trig_data[0], trig_data[1]);
		mpt3sas_send_diag_release(ioc, MPI2_DIAG_BUF_TYPE_TRACE,
		    &issue_reset);
	}

	_mpt3sas_raise_sigio(ioc, event_data);

	dTriggerDiagPrintk(ioc, ioc_info(ioc, "%s: exit\n",
					 __func__));
}

/**
 * mpt3sas_trigger_master - Master trigger handler
 * @ioc: per adapter object
 * @trigger_bitmask:
 *
 */
void
mpt3sas_trigger_master(struct MPT3SAS_ADAPTER *ioc, u32 trigger_bitmask)
{
	struct SL_WH_TRIGGERS_EVENT_DATA_T event_data;
	unsigned long flags;
	u8 found_match = 0;

	spin_lock_irqsave(&ioc->diag_trigger_lock, flags);

	if (trigger_bitmask & MASTER_TRIGGER_FW_FAULT ||
	    trigger_bitmask & MASTER_TRIGGER_ADAPTER_RESET)
		goto by_pass_checks;

	/* check to see if trace buffers are currently registered */
	if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
	    MPT3_DIAG_BUFFER_IS_REGISTERED) == 0) {
		spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags);
		return;
	}

	/* check to see if trace buffers are currently released */
	if (ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
	    MPT3_DIAG_BUFFER_IS_RELEASED) {
		spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags);
		return;
	}

 by_pass_checks:

	dTriggerDiagPrintk(ioc,
			   ioc_info(ioc, "%s: enter - trigger_bitmask = 0x%08x\n",
				    __func__, trigger_bitmask));

	/* don't send trigger if an trigger is currently active */
	if (ioc->diag_trigger_active) {
		spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags);
		goto out;
	}

	/* check for the trigger condition */
	if (ioc->diag_trigger_master.MasterData & trigger_bitmask) {
		found_match = 1;
		ioc->diag_trigger_active = 1;
		dTriggerDiagPrintk(ioc,
				   ioc_info(ioc, "%s: setting diag_trigger_active flag\n",
					    __func__));
	}
	spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags);

	if (!found_match)
		goto out;

	memset(&event_data, 0, sizeof(struct SL_WH_TRIGGERS_EVENT_DATA_T));
	event_data.trigger_type = MPT3SAS_TRIGGER_MASTER;
	event_data.u.master.MasterData = trigger_bitmask;

	if (trigger_bitmask & MASTER_TRIGGER_FW_FAULT ||
	    trigger_bitmask & MASTER_TRIGGER_ADAPTER_RESET)
		_mpt3sas_raise_sigio(ioc, &event_data);
	else
		mpt3sas_send_trigger_data_event(ioc, &event_data);

 out:
	dTriggerDiagPrintk(ioc, ioc_info(ioc, "%s: exit\n",
					 __func__));
}

/**
 * mpt3sas_trigger_event - Event trigger handler
 * @ioc: per adapter object
 * @event: ?
 * @log_entry_qualifier: ?
 *
 */
void
mpt3sas_trigger_event(struct MPT3SAS_ADAPTER *ioc, u16 event,
	u16 log_entry_qualifier)
{
	struct SL_WH_TRIGGERS_EVENT_DATA_T event_data;
	struct SL_WH_EVENT_TRIGGER_T *event_trigger;
	int i;
	unsigned long flags;
	u8 found_match;

	spin_lock_irqsave(&ioc->diag_trigger_lock, flags);

	/* check to see if trace buffers are currently registered */
	if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
	    MPT3_DIAG_BUFFER_IS_REGISTERED) == 0) {
		spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags);
		return;
	}

	/* check to see if trace buffers are currently released */
	if (ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
	    MPT3_DIAG_BUFFER_IS_RELEASED) {
		spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags);
		return;
	}

	dTriggerDiagPrintk(ioc,
			   ioc_info(ioc, "%s: enter - event = 0x%04x, log_entry_qualifier = 0x%04x\n",
				    __func__, event, log_entry_qualifier));

	/* don't send trigger if an trigger is currently active */
	if (ioc->diag_trigger_active) {
		spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags);
		goto out;
	}

	/* check for the trigger condition */
	event_trigger = ioc->diag_trigger_event.EventTriggerEntry;
	for (i = 0 , found_match = 0; i < ioc->diag_trigger_event.ValidEntries
	    && !found_match; i++, event_trigger++) {
		if (event_trigger->EventValue != event)
			continue;
		if (event == MPI2_EVENT_LOG_ENTRY_ADDED) {
			if (event_trigger->LogEntryQualifier ==
			    log_entry_qualifier)
				found_match = 1;
			continue;
		}
		found_match = 1;
		ioc->diag_trigger_active = 1;
		dTriggerDiagPrintk(ioc,
				   ioc_info(ioc, "%s: setting diag_trigger_active flag\n",
					    __func__));
	}
	spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags);

	if (!found_match)
		goto out;

	dTriggerDiagPrintk(ioc,
			   ioc_info(ioc, "%s: setting diag_trigger_active flag\n",
				    __func__));
	memset(&event_data, 0, sizeof(struct SL_WH_TRIGGERS_EVENT_DATA_T));
	event_data.trigger_type = MPT3SAS_TRIGGER_EVENT;
	event_data.u.event.EventValue = event;
	event_data.u.event.LogEntryQualifier = log_entry_qualifier;
	mpt3sas_send_trigger_data_event(ioc, &event_data);
 out:
	dTriggerDiagPrintk(ioc, ioc_info(ioc, "%s: exit\n",
					 __func__));
}

/**
 * mpt3sas_trigger_scsi - SCSI trigger handler
 * @ioc: per adapter object
 * @sense_key: ?
 * @asc: ?
 * @ascq: ?
 *
 */
void
mpt3sas_trigger_scsi(struct MPT3SAS_ADAPTER *ioc, u8 sense_key, u8 asc,
	u8 ascq)
{
	struct SL_WH_TRIGGERS_EVENT_DATA_T event_data;
	struct SL_WH_SCSI_TRIGGER_T *scsi_trigger;
	int i;
	unsigned long flags;
	u8 found_match;

	spin_lock_irqsave(&ioc->diag_trigger_lock, flags);

	/* check to see if trace buffers are currently registered */
	if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
	    MPT3_DIAG_BUFFER_IS_REGISTERED) == 0) {
		spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags);
		return;
	}

	/* check to see if trace buffers are currently released */
	if (ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
	    MPT3_DIAG_BUFFER_IS_RELEASED) {
		spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags);
		return;
	}

	dTriggerDiagPrintk(ioc,
			   ioc_info(ioc, "%s: enter - sense_key = 0x%02x, asc = 0x%02x, ascq = 0x%02x\n",
				    __func__, sense_key, asc, ascq));

	/* don't send trigger if an trigger is currently active */
	if (ioc->diag_trigger_active) {
		spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags);
		goto out;
	}

	/* check for the trigger condition */
	scsi_trigger = ioc->diag_trigger_scsi.SCSITriggerEntry;
	for (i = 0 , found_match = 0; i < ioc->diag_trigger_scsi.ValidEntries
	    && !found_match; i++, scsi_trigger++) {
		if (scsi_trigger->SenseKey != sense_key)
			continue;
		if (!(scsi_trigger->ASC == 0xFF || scsi_trigger->ASC == asc))
			continue;
		if (!(scsi_trigger->ASCQ == 0xFF || scsi_trigger->ASCQ == ascq))
			continue;
		found_match = 1;
		ioc->diag_trigger_active = 1;
	}
	spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags);

	if (!found_match)
		goto out;

	dTriggerDiagPrintk(ioc,
			   ioc_info(ioc, "%s: setting diag_trigger_active flag\n",
				    __func__));
	memset(&event_data, 0, sizeof(struct SL_WH_TRIGGERS_EVENT_DATA_T));
	event_data.trigger_type = MPT3SAS_TRIGGER_SCSI;
	event_data.u.scsi.SenseKey = sense_key;
	event_data.u.scsi.ASC = asc;
	event_data.u.scsi.ASCQ = ascq;
	mpt3sas_send_trigger_data_event(ioc, &event_data);
 out:
	dTriggerDiagPrintk(ioc, ioc_info(ioc, "%s: exit\n",
					 __func__));
}

/**
 * mpt3sas_trigger_mpi - MPI trigger handler
 * @ioc: per adapter object
 * @ioc_status: ?
 * @loginfo: ?
 *
 */
void
mpt3sas_trigger_mpi(struct MPT3SAS_ADAPTER *ioc, u16 ioc_status, u32 loginfo)
{
	struct SL_WH_TRIGGERS_EVENT_DATA_T event_data;
	struct SL_WH_MPI_TRIGGER_T *mpi_trigger;
	int i;
	unsigned long flags;
	u8 found_match;

	spin_lock_irqsave(&ioc->diag_trigger_lock, flags);

	/* check to see if trace buffers are currently registered */
	if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
	    MPT3_DIAG_BUFFER_IS_REGISTERED) == 0) {
		spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags);
		return;
	}

	/* check to see if trace buffers are currently released */
	if (ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
	    MPT3_DIAG_BUFFER_IS_RELEASED) {
		spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags);
		return;
	}

	dTriggerDiagPrintk(ioc,
			   ioc_info(ioc, "%s: enter - ioc_status = 0x%04x, loginfo = 0x%08x\n",
				    __func__, ioc_status, loginfo));

	/* don't send trigger if an trigger is currently active */
	if (ioc->diag_trigger_active) {
		spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags);
		goto out;
	}

	/* check for the trigger condition */
	mpi_trigger = ioc->diag_trigger_mpi.MPITriggerEntry;
	for (i = 0 , found_match = 0; i < ioc->diag_trigger_mpi.ValidEntries
	    && !found_match; i++, mpi_trigger++) {
		if (mpi_trigger->IOCStatus != ioc_status)
			continue;
		if (!(mpi_trigger->IocLogInfo == 0xFFFFFFFF ||
		    mpi_trigger->IocLogInfo == loginfo))
			continue;
		found_match = 1;
		ioc->diag_trigger_active = 1;
	}
	spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags);

	if (!found_match)
		goto out;

	dTriggerDiagPrintk(ioc,
			   ioc_info(ioc, "%s: setting diag_trigger_active flag\n",
				    __func__));
	memset(&event_data, 0, sizeof(struct SL_WH_TRIGGERS_EVENT_DATA_T));
	event_data.trigger_type = MPT3SAS_TRIGGER_MPI;
	event_data.u.mpi.IOCStatus = ioc_status;
	event_data.u.mpi.IocLogInfo = loginfo;
	mpt3sas_send_trigger_data_event(ioc, &event_data);
 out:
	dTriggerDiagPrintk(ioc, ioc_info(ioc, "%s: exit\n",
					 __func__));
}
Commit	Line	Data
f92363d1 SR	1	/*
	2	* This module provides common API to set Diagnostic trigger for MPT
	3	* (Message Passing Technology) based controllers
	4	*
	5	* This code is based on drivers/scsi/mpt3sas/mpt3sas_trigger_diag.c
a4ffce0d	6	* Copyright (C) 2012-2014 LSI Corporation
a03bd153 SR	7	* Copyright (C) 2013-2014 Avago Technologies
a03bd153 SR	8	* (mailto: MPT-FusionLinux.pdl@avagotech.com)
f92363d1 SR	9	*
	10	* This program is free software; you can redistribute it and/or
	11	* modify it under the terms of the GNU General Public License
	12	* as published by the Free Software Foundation; either version 2
	13	* of the License, or (at your option) any later version.
	14	*
	15	* This program is distributed in the hope that it will be useful,
	16	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	17	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	18	* GNU General Public License for more details.
	19	*
	20	* NO WARRANTY
	21	* THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
	22	* CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
	23	* LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
	24	* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
	25	* solely responsible for determining the appropriateness of using and
	26	* distributing the Program and assumes all risks associated with its
	27	* exercise of rights under this Agreement, including but not limited to
	28	* the risks and costs of program errors, damage to or loss of data,
	29	* programs or equipment, and unavailability or interruption of operations.
	30
	31	* DISCLAIMER OF LIABILITY
	32	* NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
	33	* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	34	* DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
	35	* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
	36	* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
	37	* USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
	38	* HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
	39
	40	* You should have received a copy of the GNU General Public License
	41	* along with this program; if not, write to the Free Software
	42	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
	43	* USA.
	44	*/
	45
f92363d1 SR	46	#include <linux/kernel.h>
	47	#include <linux/module.h>
	48	#include <linux/errno.h>
	49	#include <linux/init.h>
	50	#include <linux/slab.h>
	51	#include <linux/types.h>
	52	#include <linux/pci.h>
	53	#include <linux/delay.h>
	54	#include <linux/compat.h>
	55	#include <linux/poll.h>
	56
	57	#include <linux/io.h>
	58	#include <linux/uaccess.h>
	59
	60	#include "mpt3sas_base.h"
	61
	62	/**
	63	* _mpt3sas_raise_sigio - notifiy app
	64	* @ioc: per adapter object
4beb4867	65	* @event_data: ?
f92363d1 SR	66	*/
	67	static void
	68	_mpt3sas_raise_sigio(struct MPT3SAS_ADAPTER *ioc,
	69	struct SL_WH_TRIGGERS_EVENT_DATA_T *event_data)
	70	{
	71	Mpi2EventNotificationReply_t *mpi_reply;
	72	u16 sz, event_data_sz;
	73	unsigned long flags;
	74
919d8a3f	75	dTriggerDiagPrintk(ioc, ioc_info(ioc, "%s: enter\n", __func__));
f92363d1 SR	76
	77	sz = offsetof(Mpi2EventNotificationReply_t, EventData) +
	78	sizeof(struct SL_WH_TRIGGERS_EVENT_DATA_T) + 4;
	79	mpi_reply = kzalloc(sz, GFP_KERNEL);
	80	if (!mpi_reply)
	81	goto out;
	82	mpi_reply->Event = cpu_to_le16(MPI3_EVENT_DIAGNOSTIC_TRIGGER_FIRED);
	83	event_data_sz = (sizeof(struct SL_WH_TRIGGERS_EVENT_DATA_T) + 4) / 4;
	84	mpi_reply->EventDataLength = cpu_to_le16(event_data_sz);
	85	memcpy(&mpi_reply->EventData, event_data,
	86	sizeof(struct SL_WH_TRIGGERS_EVENT_DATA_T));
919d8a3f JP	87	dTriggerDiagPrintk(ioc,
	88	ioc_info(ioc, "%s: add to driver event log\n",
	89	__func__));
f92363d1 SR	90	mpt3sas_ctl_add_to_event_log(ioc, mpi_reply);
	91	kfree(mpi_reply);
	92	out:
	93
	94	/* clearing the diag_trigger_active flag */
	95	spin_lock_irqsave(&ioc->diag_trigger_lock, flags);
919d8a3f JP	96	dTriggerDiagPrintk(ioc,
	97	ioc_info(ioc, "%s: clearing diag_trigger_active flag\n",
	98	__func__));
f92363d1 SR	99	ioc->diag_trigger_active = 0;
	100	spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags);
	101
919d8a3f JP	102	dTriggerDiagPrintk(ioc, ioc_info(ioc, "%s: exit\n",
919d8a3f JP	103	__func__));
f92363d1 SR	104	}
	105
	106	/**
	107	* mpt3sas_process_trigger_data - process the event data for the trigger
	108	* @ioc: per adapter object
4beb4867	109	* @event_data: ?
f92363d1 SR	110	*/
	111	void
	112	mpt3sas_process_trigger_data(struct MPT3SAS_ADAPTER *ioc,
	113	struct SL_WH_TRIGGERS_EVENT_DATA_T *event_data)
	114	{
	115	u8 issue_reset = 0;
4bc50dc1	116	u32 trig_data = (u32 )&event_data->u.master;
f92363d1	117
919d8a3f	118	dTriggerDiagPrintk(ioc, ioc_info(ioc, "%s: enter\n", __func__));
f92363d1 SR	119
	120	/* release the diag buffer trace */
	121	if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
	122	MPT3_DIAG_BUFFER_IS_RELEASED) == 0) {
4bc50dc1 SR	123	/*
	124	* add a log message so that user knows which event caused
	125	* the release
	126	*/
	127	ioc_info(ioc,
	128	"%s: Releasing the trace buffer. Trigger_Type 0x%08x, Data[0] 0x%08x, Data[1] 0x%08x\n",
	129	__func__, event_data->trigger_type,
	130	trig_data[0], trig_data[1]);
f92363d1 SR	131	mpt3sas_send_diag_release(ioc, MPI2_DIAG_BUF_TYPE_TRACE,
	132	&issue_reset);
	133	}
	134
	135	_mpt3sas_raise_sigio(ioc, event_data);
	136
919d8a3f JP	137	dTriggerDiagPrintk(ioc, ioc_info(ioc, "%s: exit\n",
919d8a3f JP	138	__func__));
f92363d1 SR	139	}
	140
	141	/**
	142	* mpt3sas_trigger_master - Master trigger handler
	143	* @ioc: per adapter object
	144	* @trigger_bitmask:
	145	*
	146	*/
	147	void
	148	mpt3sas_trigger_master(struct MPT3SAS_ADAPTER *ioc, u32 trigger_bitmask)
	149	{
	150	struct SL_WH_TRIGGERS_EVENT_DATA_T event_data;
	151	unsigned long flags;
	152	u8 found_match = 0;
	153
	154	spin_lock_irqsave(&ioc->diag_trigger_lock, flags);
	155
	156	if (trigger_bitmask & MASTER_TRIGGER_FW_FAULT \|\|
	157	trigger_bitmask & MASTER_TRIGGER_ADAPTER_RESET)
	158	goto by_pass_checks;
	159
	160	/* check to see if trace buffers are currently registered */
	161	if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
	162	MPT3_DIAG_BUFFER_IS_REGISTERED) == 0) {
	163	spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags);
	164	return;
	165	}
	166
	167	/* check to see if trace buffers are currently released */
	168	if (ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
	169	MPT3_DIAG_BUFFER_IS_RELEASED) {
	170	spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags);
	171	return;
	172	}
	173
	174	by_pass_checks:
	175
919d8a3f JP	176	dTriggerDiagPrintk(ioc,
	177	ioc_info(ioc, "%s: enter - trigger_bitmask = 0x%08x\n",
	178	__func__, trigger_bitmask));
f92363d1 SR	179
	180	/* don't send trigger if an trigger is currently active */
	181	if (ioc->diag_trigger_active) {
	182	spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags);
	183	goto out;
	184	}
	185
	186	/* check for the trigger condition */
	187	if (ioc->diag_trigger_master.MasterData & trigger_bitmask) {
	188	found_match = 1;
	189	ioc->diag_trigger_active = 1;
919d8a3f JP	190	dTriggerDiagPrintk(ioc,
	191	ioc_info(ioc, "%s: setting diag_trigger_active flag\n",
	192	__func__));
f92363d1 SR	193	}
	194	spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags);
	195
	196	if (!found_match)
	197	goto out;
	198
	199	memset(&event_data, 0, sizeof(struct SL_WH_TRIGGERS_EVENT_DATA_T));
	200	event_data.trigger_type = MPT3SAS_TRIGGER_MASTER;
	201	event_data.u.master.MasterData = trigger_bitmask;
	202
	203	if (trigger_bitmask & MASTER_TRIGGER_FW_FAULT \|\|
	204	trigger_bitmask & MASTER_TRIGGER_ADAPTER_RESET)
	205	_mpt3sas_raise_sigio(ioc, &event_data);
	206	else
	207	mpt3sas_send_trigger_data_event(ioc, &event_data);
	208
	209	out:
919d8a3f JP	210	dTriggerDiagPrintk(ioc, ioc_info(ioc, "%s: exit\n",
919d8a3f JP	211	__func__));
f92363d1 SR	212	}
	213
	214	/**
	215	* mpt3sas_trigger_event - Event trigger handler
	216	* @ioc: per adapter object
4beb4867 BVA	217	* @event: ?
4beb4867 BVA	218	* @log_entry_qualifier: ?
f92363d1 SR	219	*
	220	*/
	221	void
	222	mpt3sas_trigger_event(struct MPT3SAS_ADAPTER *ioc, u16 event,
	223	u16 log_entry_qualifier)
	224	{
	225	struct SL_WH_TRIGGERS_EVENT_DATA_T event_data;
	226	struct SL_WH_EVENT_TRIGGER_T *event_trigger;
	227	int i;
	228	unsigned long flags;
	229	u8 found_match;
	230
	231	spin_lock_irqsave(&ioc->diag_trigger_lock, flags);
	232
	233	/* check to see if trace buffers are currently registered */
	234	if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
	235	MPT3_DIAG_BUFFER_IS_REGISTERED) == 0) {
	236	spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags);
	237	return;
	238	}
	239
	240	/* check to see if trace buffers are currently released */
	241	if (ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
	242	MPT3_DIAG_BUFFER_IS_RELEASED) {
	243	spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags);
	244	return;
	245	}
	246
919d8a3f JP	247	dTriggerDiagPrintk(ioc,
	248	ioc_info(ioc, "%s: enter - event = 0x%04x, log_entry_qualifier = 0x%04x\n",
	249	__func__, event, log_entry_qualifier));
f92363d1 SR	250
	251	/* don't send trigger if an trigger is currently active */
	252	if (ioc->diag_trigger_active) {
	253	spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags);
	254	goto out;
	255	}
	256
	257	/* check for the trigger condition */
	258	event_trigger = ioc->diag_trigger_event.EventTriggerEntry;
	259	for (i = 0 , found_match = 0; i < ioc->diag_trigger_event.ValidEntries
	260	&& !found_match; i++, event_trigger++) {
	261	if (event_trigger->EventValue != event)
	262	continue;
	263	if (event == MPI2_EVENT_LOG_ENTRY_ADDED) {
	264	if (event_trigger->LogEntryQualifier ==
	265	log_entry_qualifier)
	266	found_match = 1;
	267	continue;
	268	}
	269	found_match = 1;
	270	ioc->diag_trigger_active = 1;
919d8a3f JP	271	dTriggerDiagPrintk(ioc,
	272	ioc_info(ioc, "%s: setting diag_trigger_active flag\n",
	273	__func__));
f92363d1 SR	274	}
	275	spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags);
	276
	277	if (!found_match)
	278	goto out;
	279
919d8a3f JP	280	dTriggerDiagPrintk(ioc,
	281	ioc_info(ioc, "%s: setting diag_trigger_active flag\n",
	282	__func__));
f92363d1 SR	283	memset(&event_data, 0, sizeof(struct SL_WH_TRIGGERS_EVENT_DATA_T));
	284	event_data.trigger_type = MPT3SAS_TRIGGER_EVENT;
	285	event_data.u.event.EventValue = event;
	286	event_data.u.event.LogEntryQualifier = log_entry_qualifier;
	287	mpt3sas_send_trigger_data_event(ioc, &event_data);
	288	out:
919d8a3f JP	289	dTriggerDiagPrintk(ioc, ioc_info(ioc, "%s: exit\n",
919d8a3f JP	290	__func__));
f92363d1 SR	291	}
	292
	293	/**
	294	* mpt3sas_trigger_scsi - SCSI trigger handler
	295	* @ioc: per adapter object
4beb4867 BVA	296	* @sense_key: ?
	297	* @asc: ?
	298	* @ascq: ?
f92363d1 SR	299	*
	300	*/
	301	void
	302	mpt3sas_trigger_scsi(struct MPT3SAS_ADAPTER *ioc, u8 sense_key, u8 asc,
	303	u8 ascq)
	304	{
	305	struct SL_WH_TRIGGERS_EVENT_DATA_T event_data;
	306	struct SL_WH_SCSI_TRIGGER_T *scsi_trigger;
	307	int i;
	308	unsigned long flags;
	309	u8 found_match;
	310
	311	spin_lock_irqsave(&ioc->diag_trigger_lock, flags);
	312
	313	/* check to see if trace buffers are currently registered */
	314	if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
	315	MPT3_DIAG_BUFFER_IS_REGISTERED) == 0) {
	316	spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags);
	317	return;
	318	}
	319
	320	/* check to see if trace buffers are currently released */
	321	if (ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
	322	MPT3_DIAG_BUFFER_IS_RELEASED) {
	323	spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags);
	324	return;
	325	}
	326
919d8a3f JP	327	dTriggerDiagPrintk(ioc,
	328	ioc_info(ioc, "%s: enter - sense_key = 0x%02x, asc = 0x%02x, ascq = 0x%02x\n",
	329	__func__, sense_key, asc, ascq));
f92363d1 SR	330
	331	/* don't send trigger if an trigger is currently active */
	332	if (ioc->diag_trigger_active) {
	333	spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags);
	334	goto out;
	335	}
	336
	337	/* check for the trigger condition */
	338	scsi_trigger = ioc->diag_trigger_scsi.SCSITriggerEntry;
	339	for (i = 0 , found_match = 0; i < ioc->diag_trigger_scsi.ValidEntries
	340	&& !found_match; i++, scsi_trigger++) {
	341	if (scsi_trigger->SenseKey != sense_key)
	342	continue;
	343	if (!(scsi_trigger->ASC == 0xFF \|\| scsi_trigger->ASC == asc))
	344	continue;
	345	if (!(scsi_trigger->ASCQ == 0xFF \|\| scsi_trigger->ASCQ == ascq))
	346	continue;
	347	found_match = 1;
	348	ioc->diag_trigger_active = 1;
	349	}
	350	spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags);
	351
	352	if (!found_match)
	353	goto out;
	354
919d8a3f JP	355	dTriggerDiagPrintk(ioc,
	356	ioc_info(ioc, "%s: setting diag_trigger_active flag\n",
	357	__func__));
f92363d1 SR	358	memset(&event_data, 0, sizeof(struct SL_WH_TRIGGERS_EVENT_DATA_T));
	359	event_data.trigger_type = MPT3SAS_TRIGGER_SCSI;
	360	event_data.u.scsi.SenseKey = sense_key;
	361	event_data.u.scsi.ASC = asc;
	362	event_data.u.scsi.ASCQ = ascq;
	363	mpt3sas_send_trigger_data_event(ioc, &event_data);
	364	out:
919d8a3f JP	365	dTriggerDiagPrintk(ioc, ioc_info(ioc, "%s: exit\n",
919d8a3f JP	366	__func__));
f92363d1 SR	367	}
	368
	369	/**
	370	* mpt3sas_trigger_mpi - MPI trigger handler
	371	* @ioc: per adapter object
4beb4867 BVA	372	* @ioc_status: ?
4beb4867 BVA	373	* @loginfo: ?
f92363d1 SR	374	*
	375	*/
	376	void
	377	mpt3sas_trigger_mpi(struct MPT3SAS_ADAPTER *ioc, u16 ioc_status, u32 loginfo)
	378	{
	379	struct SL_WH_TRIGGERS_EVENT_DATA_T event_data;
	380	struct SL_WH_MPI_TRIGGER_T *mpi_trigger;
	381	int i;
	382	unsigned long flags;
	383	u8 found_match;
	384
	385	spin_lock_irqsave(&ioc->diag_trigger_lock, flags);
	386
	387	/* check to see if trace buffers are currently registered */
	388	if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
	389	MPT3_DIAG_BUFFER_IS_REGISTERED) == 0) {
	390	spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags);
	391	return;
	392	}
	393
	394	/* check to see if trace buffers are currently released */
	395	if (ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
	396	MPT3_DIAG_BUFFER_IS_RELEASED) {
	397	spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags);
	398	return;
	399	}
	400
919d8a3f JP	401	dTriggerDiagPrintk(ioc,
	402	ioc_info(ioc, "%s: enter - ioc_status = 0x%04x, loginfo = 0x%08x\n",
	403	__func__, ioc_status, loginfo));
f92363d1 SR	404
	405	/* don't send trigger if an trigger is currently active */
	406	if (ioc->diag_trigger_active) {
	407	spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags);
	408	goto out;
	409	}
	410
	411	/* check for the trigger condition */
	412	mpi_trigger = ioc->diag_trigger_mpi.MPITriggerEntry;
	413	for (i = 0 , found_match = 0; i < ioc->diag_trigger_mpi.ValidEntries
	414	&& !found_match; i++, mpi_trigger++) {
	415	if (mpi_trigger->IOCStatus != ioc_status)
	416	continue;
	417	if (!(mpi_trigger->IocLogInfo == 0xFFFFFFFF \|\|
	418	mpi_trigger->IocLogInfo == loginfo))
	419	continue;
	420	found_match = 1;
	421	ioc->diag_trigger_active = 1;
	422	}
	423	spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags);
	424
	425	if (!found_match)
	426	goto out;
	427
919d8a3f JP	428	dTriggerDiagPrintk(ioc,
	429	ioc_info(ioc, "%s: setting diag_trigger_active flag\n",
	430	__func__));
f92363d1 SR	431	memset(&event_data, 0, sizeof(struct SL_WH_TRIGGERS_EVENT_DATA_T));
	432	event_data.trigger_type = MPT3SAS_TRIGGER_MPI;
	433	event_data.u.mpi.IOCStatus = ioc_status;
	434	event_data.u.mpi.IocLogInfo = loginfo;
	435	mpt3sas_send_trigger_data_event(ioc, &event_data);
	436	out:
919d8a3f JP	437	dTriggerDiagPrintk(ioc, ioc_info(ioc, "%s: exit\n",
919d8a3f JP	438	__func__));
f92363d1	439	}