[mirror_ubuntu-artful-kernel.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, pr_info(MPT3SAS_FMT "%s: enter\n",
	    ioc->name, __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, pr_info(MPT3SAS_FMT
		"%s: add to driver event log\n",
		ioc->name, __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, pr_info(MPT3SAS_FMT
		"%s: clearing diag_trigger_active flag\n",
		ioc->name, __func__));
	ioc->diag_trigger_active = 0;
	spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags);

	dTriggerDiagPrintk(ioc, pr_info(MPT3SAS_FMT "%s: exit\n", ioc->name,
	    __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;

	dTriggerDiagPrintk(ioc, pr_info(MPT3SAS_FMT "%s: enter\n",
	    ioc->name, __func__));

	/* release the diag buffer trace */
	if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
	    MPT3_DIAG_BUFFER_IS_RELEASED) == 0) {
		dTriggerDiagPrintk(ioc, pr_info(MPT3SAS_FMT
		"%s: release trace diag buffer\n", ioc->name, __func__));
		mpt3sas_send_diag_release(ioc, MPI2_DIAG_BUF_TYPE_TRACE,
		    &issue_reset);
	}

	_mpt3sas_raise_sigio(ioc, event_data);

	dTriggerDiagPrintk(ioc, pr_info(MPT3SAS_FMT "%s: exit\n", ioc->name,
	    __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, pr_info(MPT3SAS_FMT
		"%s: enter - trigger_bitmask = 0x%08x\n",
		ioc->name, __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, pr_info(MPT3SAS_FMT
		"%s: setting diag_trigger_active flag\n",
		ioc->name, __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, pr_info(MPT3SAS_FMT "%s: exit\n", ioc->name,
	    __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, pr_info(MPT3SAS_FMT
		"%s: enter - event = 0x%04x, log_entry_qualifier = 0x%04x\n",
		ioc->name, __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, pr_info(MPT3SAS_FMT
			"%s: setting diag_trigger_active flag\n",
			ioc->name, __func__));
	}
	spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags);

	if (!found_match)
		goto out;

	dTriggerDiagPrintk(ioc, pr_info(MPT3SAS_FMT
		"%s: setting diag_trigger_active flag\n",
		ioc->name, __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, pr_info(MPT3SAS_FMT "%s: exit\n", ioc->name,
	    __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, pr_info(MPT3SAS_FMT
		"%s: enter - sense_key = 0x%02x, asc = 0x%02x, ascq = 0x%02x\n",
		ioc->name, __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, pr_info(MPT3SAS_FMT
		"%s: setting diag_trigger_active flag\n",
		ioc->name, __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, pr_info(MPT3SAS_FMT "%s: exit\n", ioc->name,
	    __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, pr_info(MPT3SAS_FMT
		"%s: enter - ioc_status = 0x%04x, loginfo = 0x%08x\n",
		ioc->name, __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, pr_info(MPT3SAS_FMT
		"%s: setting diag_trigger_active flag\n",
		ioc->name, __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, pr_info(MPT3SAS_FMT "%s: exit\n", ioc->name,
	    __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
	65	* @event_data:
	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
	75	dTriggerDiagPrintk(ioc, pr_info(MPT3SAS_FMT "%s: enter\n",
	76	ioc->name, __func__));
	77
	78	sz = offsetof(Mpi2EventNotificationReply_t, EventData) +
	79	sizeof(struct SL_WH_TRIGGERS_EVENT_DATA_T) + 4;
	80	mpi_reply = kzalloc(sz, GFP_KERNEL);
	81	if (!mpi_reply)
	82	goto out;
	83	mpi_reply->Event = cpu_to_le16(MPI3_EVENT_DIAGNOSTIC_TRIGGER_FIRED);
	84	event_data_sz = (sizeof(struct SL_WH_TRIGGERS_EVENT_DATA_T) + 4) / 4;
	85	mpi_reply->EventDataLength = cpu_to_le16(event_data_sz);
	86	memcpy(&mpi_reply->EventData, event_data,
	87	sizeof(struct SL_WH_TRIGGERS_EVENT_DATA_T));
	88	dTriggerDiagPrintk(ioc, pr_info(MPT3SAS_FMT
	89	"%s: add to driver event log\n",
	90	ioc->name, __func__));
	91	mpt3sas_ctl_add_to_event_log(ioc, mpi_reply);
	92	kfree(mpi_reply);
	93	out:
	94
	95	/* clearing the diag_trigger_active flag */
	96	spin_lock_irqsave(&ioc->diag_trigger_lock, flags);
	97	dTriggerDiagPrintk(ioc, pr_info(MPT3SAS_FMT
	98	"%s: clearing diag_trigger_active flag\n",
	99	ioc->name, __func__));
	100	ioc->diag_trigger_active = 0;
	101	spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags);
	102
	103	dTriggerDiagPrintk(ioc, pr_info(MPT3SAS_FMT "%s: exit\n", ioc->name,
	104	__func__));
	105	}
	106
	107	/**
	108	* mpt3sas_process_trigger_data - process the event data for the trigger
	109	* @ioc: per adapter object
110	* @event_data:
111	*/
112	void
113	mpt3sas_process_trigger_data(struct MPT3SAS_ADAPTER *ioc,
114	struct SL_WH_TRIGGERS_EVENT_DATA_T *event_data)
115	{
116	u8 issue_reset = 0;
117
118	dTriggerDiagPrintk(ioc, pr_info(MPT3SAS_FMT "%s: enter\n",
119	ioc->name, __func__));
120
121	/* release the diag buffer trace */
122	if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
123	MPT3_DIAG_BUFFER_IS_RELEASED) == 0) {
124	dTriggerDiagPrintk(ioc, pr_info(MPT3SAS_FMT
125	"%s: release trace diag buffer\n", ioc->name, __func__));
126	mpt3sas_send_diag_release(ioc, MPI2_DIAG_BUF_TYPE_TRACE,
127	&issue_reset);
128	}
129
130	_mpt3sas_raise_sigio(ioc, event_data);
131
132	dTriggerDiagPrintk(ioc, pr_info(MPT3SAS_FMT "%s: exit\n", ioc->name,
133	__func__));
134	}
135
136	/**
137	* mpt3sas_trigger_master - Master trigger handler
138	* @ioc: per adapter object
139	* @trigger_bitmask:
140	*
141	*/
142	void
143	mpt3sas_trigger_master(struct MPT3SAS_ADAPTER *ioc, u32 trigger_bitmask)
144	{
145	struct SL_WH_TRIGGERS_EVENT_DATA_T event_data;
146	unsigned long flags;
147	u8 found_match = 0;
148
149	spin_lock_irqsave(&ioc->diag_trigger_lock, flags);
150
151	if (trigger_bitmask & MASTER_TRIGGER_FW_FAULT \|\|
152	trigger_bitmask & MASTER_TRIGGER_ADAPTER_RESET)
153	goto by_pass_checks;
154
155	/* check to see if trace buffers are currently registered */
156	if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
157	MPT3_DIAG_BUFFER_IS_REGISTERED) == 0) {
158	spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags);
159	return;
160	}
161
162	/* check to see if trace buffers are currently released */
163	if (ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
164	MPT3_DIAG_BUFFER_IS_RELEASED) {
165	spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags);
166	return;
167	}
168
169	by_pass_checks:
170
171	dTriggerDiagPrintk(ioc, pr_info(MPT3SAS_FMT
172	"%s: enter - trigger_bitmask = 0x%08x\n",
173	ioc->name, __func__, trigger_bitmask));
174
175	/* don't send trigger if an trigger is currently active */
176	if (ioc->diag_trigger_active) {
177	spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags);
178	goto out;
179	}
180
181	/* check for the trigger condition */
182	if (ioc->diag_trigger_master.MasterData & trigger_bitmask) {
183	found_match = 1;
184	ioc->diag_trigger_active = 1;
185	dTriggerDiagPrintk(ioc, pr_info(MPT3SAS_FMT
186	"%s: setting diag_trigger_active flag\n",
187	ioc->name, __func__));
188	}
189	spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags);
190
191	if (!found_match)
192	goto out;
193
194	memset(&event_data, 0, sizeof(struct SL_WH_TRIGGERS_EVENT_DATA_T));
195	event_data.trigger_type = MPT3SAS_TRIGGER_MASTER;
196	event_data.u.master.MasterData = trigger_bitmask;
197
198	if (trigger_bitmask & MASTER_TRIGGER_FW_FAULT \|\|
199	trigger_bitmask & MASTER_TRIGGER_ADAPTER_RESET)
200	_mpt3sas_raise_sigio(ioc, &event_data);
201	else
202	mpt3sas_send_trigger_data_event(ioc, &event_data);
203
204	out:
205	dTriggerDiagPrintk(ioc, pr_info(MPT3SAS_FMT "%s: exit\n", ioc->name,
206	__func__));
207	}
208
209	/**
210	* mpt3sas_trigger_event - Event trigger handler
211	* @ioc: per adapter object
212	* @event:
213	* @log_entry_qualifier:
214	*
215	*/
216	void
217	mpt3sas_trigger_event(struct MPT3SAS_ADAPTER *ioc, u16 event,
218	u16 log_entry_qualifier)
219	{
220	struct SL_WH_TRIGGERS_EVENT_DATA_T event_data;
221	struct SL_WH_EVENT_TRIGGER_T *event_trigger;
222	int i;
223	unsigned long flags;
224	u8 found_match;
225
226	spin_lock_irqsave(&ioc->diag_trigger_lock, flags);
227
228	/* check to see if trace buffers are currently registered */
229	if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
230	MPT3_DIAG_BUFFER_IS_REGISTERED) == 0) {
231	spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags);
232	return;
233	}
234
235	/* check to see if trace buffers are currently released */
236	if (ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
237	MPT3_DIAG_BUFFER_IS_RELEASED) {
238	spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags);
239	return;
240	}
241
242	dTriggerDiagPrintk(ioc, pr_info(MPT3SAS_FMT
243	"%s: enter - event = 0x%04x, log_entry_qualifier = 0x%04x\n",
244	ioc->name, __func__, event, log_entry_qualifier));
245
246	/* don't send trigger if an trigger is currently active */
247	if (ioc->diag_trigger_active) {
248	spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags);
249	goto out;
250	}
251
252	/* check for the trigger condition */
253	event_trigger = ioc->diag_trigger_event.EventTriggerEntry;
254	for (i = 0 , found_match = 0; i < ioc->diag_trigger_event.ValidEntries
255	&& !found_match; i++, event_trigger++) {
256	if (event_trigger->EventValue != event)
257	continue;
258	if (event == MPI2_EVENT_LOG_ENTRY_ADDED) {
259	if (event_trigger->LogEntryQualifier ==
260	log_entry_qualifier)
261	found_match = 1;
262	continue;
263	}
264	found_match = 1;
265	ioc->diag_trigger_active = 1;
266	dTriggerDiagPrintk(ioc, pr_info(MPT3SAS_FMT
267	"%s: setting diag_trigger_active flag\n",
268	ioc->name, __func__));
269	}
270	spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags);
271
272	if (!found_match)
273	goto out;
274
275	dTriggerDiagPrintk(ioc, pr_info(MPT3SAS_FMT
276	"%s: setting diag_trigger_active flag\n",
277	ioc->name, __func__));
278	memset(&event_data, 0, sizeof(struct SL_WH_TRIGGERS_EVENT_DATA_T));
279	event_data.trigger_type = MPT3SAS_TRIGGER_EVENT;
280	event_data.u.event.EventValue = event;
281	event_data.u.event.LogEntryQualifier = log_entry_qualifier;
282	mpt3sas_send_trigger_data_event(ioc, &event_data);
283	out:
284	dTriggerDiagPrintk(ioc, pr_info(MPT3SAS_FMT "%s: exit\n", ioc->name,
285	__func__));
286	}
287
288	/**
289	* mpt3sas_trigger_scsi - SCSI trigger handler
290	* @ioc: per adapter object
291	* @sense_key:
292	* @asc:
293	* @ascq:
294	*
295	*/
296	void
297	mpt3sas_trigger_scsi(struct MPT3SAS_ADAPTER *ioc, u8 sense_key, u8 asc,
298	u8 ascq)
299	{
300	struct SL_WH_TRIGGERS_EVENT_DATA_T event_data;
301	struct SL_WH_SCSI_TRIGGER_T *scsi_trigger;
302	int i;
303	unsigned long flags;
304	u8 found_match;
305
306	spin_lock_irqsave(&ioc->diag_trigger_lock, flags);
307
308	/* check to see if trace buffers are currently registered */
309	if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
310	MPT3_DIAG_BUFFER_IS_REGISTERED) == 0) {
311	spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags);
312	return;
313	}
314
315	/* check to see if trace buffers are currently released */
316	if (ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
317	MPT3_DIAG_BUFFER_IS_RELEASED) {
318	spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags);
319	return;
320	}
321
322	dTriggerDiagPrintk(ioc, pr_info(MPT3SAS_FMT
323	"%s: enter - sense_key = 0x%02x, asc = 0x%02x, ascq = 0x%02x\n",
324	ioc->name, __func__, sense_key, asc, ascq));
325
326	/* don't send trigger if an trigger is currently active */
327	if (ioc->diag_trigger_active) {
328	spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags);
329	goto out;
330	}
331
332	/* check for the trigger condition */
333	scsi_trigger = ioc->diag_trigger_scsi.SCSITriggerEntry;
334	for (i = 0 , found_match = 0; i < ioc->diag_trigger_scsi.ValidEntries
335	&& !found_match; i++, scsi_trigger++) {
336	if (scsi_trigger->SenseKey != sense_key)
337	continue;
338	if (!(scsi_trigger->ASC == 0xFF \|\| scsi_trigger->ASC == asc))
339	continue;
340	if (!(scsi_trigger->ASCQ == 0xFF \|\| scsi_trigger->ASCQ == ascq))
341	continue;
342	found_match = 1;
343	ioc->diag_trigger_active = 1;
344	}
345	spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags);
346
347	if (!found_match)
348	goto out;
349
350	dTriggerDiagPrintk(ioc, pr_info(MPT3SAS_FMT
351	"%s: setting diag_trigger_active flag\n",
352	ioc->name, __func__));
353	memset(&event_data, 0, sizeof(struct SL_WH_TRIGGERS_EVENT_DATA_T));
354	event_data.trigger_type = MPT3SAS_TRIGGER_SCSI;
355	event_data.u.scsi.SenseKey = sense_key;
356	event_data.u.scsi.ASC = asc;
357	event_data.u.scsi.ASCQ = ascq;
358	mpt3sas_send_trigger_data_event(ioc, &event_data);
359	out:
360	dTriggerDiagPrintk(ioc, pr_info(MPT3SAS_FMT "%s: exit\n", ioc->name,
361	__func__));
362	}
363
364	/**
365	* mpt3sas_trigger_mpi - MPI trigger handler
366	* @ioc: per adapter object
367	* @ioc_status:
368	* @loginfo:
369	*
370	*/
371	void
372	mpt3sas_trigger_mpi(struct MPT3SAS_ADAPTER *ioc, u16 ioc_status, u32 loginfo)
373	{
374	struct SL_WH_TRIGGERS_EVENT_DATA_T event_data;
375	struct SL_WH_MPI_TRIGGER_T *mpi_trigger;
376	int i;
377	unsigned long flags;
378	u8 found_match;
379
380	spin_lock_irqsave(&ioc->diag_trigger_lock, flags);
381
382	/* check to see if trace buffers are currently registered */
383	if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
384	MPT3_DIAG_BUFFER_IS_REGISTERED) == 0) {
385	spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags);
386	return;
387	}
388
389	/* check to see if trace buffers are currently released */
390	if (ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
391	MPT3_DIAG_BUFFER_IS_RELEASED) {
392	spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags);
393	return;
394	}
395
396	dTriggerDiagPrintk(ioc, pr_info(MPT3SAS_FMT
397	"%s: enter - ioc_status = 0x%04x, loginfo = 0x%08x\n",
398	ioc->name, __func__, ioc_status, loginfo));
399
400	/* don't send trigger if an trigger is currently active */
401	if (ioc->diag_trigger_active) {
402	spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags);
403	goto out;
404	}
405
406	/* check for the trigger condition */
407	mpi_trigger = ioc->diag_trigger_mpi.MPITriggerEntry;
408	for (i = 0 , found_match = 0; i < ioc->diag_trigger_mpi.ValidEntries
409	&& !found_match; i++, mpi_trigger++) {
410	if (mpi_trigger->IOCStatus != ioc_status)
411	continue;
412	if (!(mpi_trigger->IocLogInfo == 0xFFFFFFFF \|\|
413	mpi_trigger->IocLogInfo == loginfo))
414	continue;
415	found_match = 1;
416	ioc->diag_trigger_active = 1;
417	}
418	spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags);
419
420	if (!found_match)
421	goto out;
422
423	dTriggerDiagPrintk(ioc, pr_info(MPT3SAS_FMT
424	"%s: setting diag_trigger_active flag\n",
425	ioc->name, __func__));
426	memset(&event_data, 0, sizeof(struct SL_WH_TRIGGERS_EVENT_DATA_T));
427	event_data.trigger_type = MPT3SAS_TRIGGER_MPI;
428	event_data.u.mpi.IOCStatus = ioc_status;
429	event_data.u.mpi.IocLogInfo = loginfo;
430	mpt3sas_send_trigger_data_event(ioc, &event_data);
431	out:
432	dTriggerDiagPrintk(ioc, pr_info(MPT3SAS_FMT "%s: exit\n", ioc->name,
433	__func__));
434	}