[linux-block.git] / drivers / scsi / aacraid / dpcsup.c

/*
 *	Adaptec AAC series RAID controller driver
 *	(c) Copyright 2001 Red Hat Inc.
 *
 * based on the old aacraid driver that is..
 * Adaptec aacraid device driver for Linux.
 *
 * Copyright (c) 2000-2007 Adaptec, Inc. (aacraid@adaptec.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, 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.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; see the file COPYING.  If not, write to
 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 * Module Name:
 *  dpcsup.c
 *
 * Abstract: All DPC processing routines for the cyclone board occur here.
 *
 *
 */

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/types.h>
#include <linux/spinlock.h>
#include <linux/slab.h>
#include <linux/completion.h>
#include <linux/blkdev.h>
#include <linux/semaphore.h>

#include "aacraid.h"

/**
 *	aac_response_normal	-	Handle command replies
 *	@q: Queue to read from
 *
 *	This DPC routine will be run when the adapter interrupts us to let us
 *	know there is a response on our normal priority queue. We will pull off
 *	all QE there are and wake up all the waiters before exiting. We will
 *	take a spinlock out on the queue before operating on it.
 */

unsigned int aac_response_normal(struct aac_queue * q)
{
	struct aac_dev * dev = q->dev;
	struct aac_entry *entry;
	struct hw_fib * hwfib;
	struct fib * fib;
	int consumed = 0;
	unsigned long flags, mflags;

	spin_lock_irqsave(q->lock, flags);
	/*
	 *	Keep pulling response QEs off the response queue and waking
	 *	up the waiters until there are no more QEs. We then return
	 *	back to the system. If no response was requesed we just
	 *	deallocate the Fib here and continue.
	 */
	while(aac_consumer_get(dev, q, &entry))
	{
		int fast;
		u32 index = le32_to_cpu(entry->addr);
		fast = index & 0x01;
		fib = &dev->fibs[index >> 2];
		hwfib = fib->hw_fib_va;
		
		aac_consumer_free(dev, q, HostNormRespQueue);
		/*
		 *	Remove this fib from the Outstanding I/O queue.
		 *	But only if it has not already been timed out.
		 *
		 *	If the fib has been timed out already, then just 
		 *	continue. The caller has already been notified that
		 *	the fib timed out.
		 */
		dev->queues->queue[AdapNormCmdQueue].numpending--;

		if (unlikely(fib->flags & FIB_CONTEXT_FLAG_TIMED_OUT)) {
			spin_unlock_irqrestore(q->lock, flags);
			aac_fib_complete(fib);
			aac_fib_free(fib);
			spin_lock_irqsave(q->lock, flags);
			continue;
		}
		spin_unlock_irqrestore(q->lock, flags);

		if (fast) {
			/*
			 *	Doctor the fib
			 */
			*(__le32 *)hwfib->data = cpu_to_le32(ST_OK);
			hwfib->header.XferState |= cpu_to_le32(AdapterProcessed);
		}

		FIB_COUNTER_INCREMENT(aac_config.FibRecved);

		if (hwfib->header.Command == cpu_to_le16(NuFileSystem))
		{
			__le32 *pstatus = (__le32 *)hwfib->data;
			if (*pstatus & cpu_to_le32(0xffff0000))
				*pstatus = cpu_to_le32(ST_OK);
		}
		if (hwfib->header.XferState & cpu_to_le32(NoResponseExpected | Async)) 
		{
	        	if (hwfib->header.XferState & cpu_to_le32(NoResponseExpected))
				FIB_COUNTER_INCREMENT(aac_config.NoResponseRecved);
			else 
				FIB_COUNTER_INCREMENT(aac_config.AsyncRecved);
			/*
			 *	NOTE:  we cannot touch the fib after this
			 *	    call, because it may have been deallocated.
			 */
			fib->flags = 0;
			fib->callback(fib->callback_data, fib);
		} else {
			unsigned long flagv;
			spin_lock_irqsave(&fib->event_lock, flagv);
			if (!fib->done) {
				fib->done = 1;
				up(&fib->event_wait);
			}
			spin_unlock_irqrestore(&fib->event_lock, flagv);

			spin_lock_irqsave(&dev->manage_lock, mflags);
			dev->management_fib_count--;
			spin_unlock_irqrestore(&dev->manage_lock, mflags);

			FIB_COUNTER_INCREMENT(aac_config.NormalRecved);
			if (fib->done == 2) {
				spin_lock_irqsave(&fib->event_lock, flagv);
				fib->done = 0;
				spin_unlock_irqrestore(&fib->event_lock, flagv);
				aac_fib_complete(fib);
				aac_fib_free(fib);
			}
		}
		consumed++;
		spin_lock_irqsave(q->lock, flags);
	}

	if (consumed > aac_config.peak_fibs)
		aac_config.peak_fibs = consumed;
	if (consumed == 0) 
		aac_config.zero_fibs++;

	spin_unlock_irqrestore(q->lock, flags);
	return 0;
}


/**
 *	aac_command_normal	-	handle commands
 *	@q: queue to process
 *
 *	This DPC routine will be queued when the adapter interrupts us to 
 *	let us know there is a command on our normal priority queue. We will 
 *	pull off all QE there are and wake up all the waiters before exiting.
 *	We will take a spinlock out on the queue before operating on it.
 */
 
unsigned int aac_command_normal(struct aac_queue *q)
{
	struct aac_dev * dev = q->dev;
	struct aac_entry *entry;
	unsigned long flags;

	spin_lock_irqsave(q->lock, flags);

	/*
	 *	Keep pulling response QEs off the response queue and waking
	 *	up the waiters until there are no more QEs. We then return
	 *	back to the system.
	 */
	while(aac_consumer_get(dev, q, &entry))
	{
		struct fib fibctx;
		struct hw_fib * hw_fib;
		u32 index;
		struct fib *fib = &fibctx;
		
		index = le32_to_cpu(entry->addr) / sizeof(struct hw_fib);
		hw_fib = &dev->aif_base_va[index];
		
		/*
		 *	Allocate a FIB at all costs. For non queued stuff
		 *	we can just use the stack so we are happy. We need
		 *	a fib object in order to manage the linked lists
		 */
		if (dev->aif_thread)
			if((fib = kmalloc(sizeof(struct fib), GFP_ATOMIC)) == NULL)
				fib = &fibctx;
		
		memset(fib, 0, sizeof(struct fib));
		INIT_LIST_HEAD(&fib->fiblink);
		fib->type = FSAFS_NTC_FIB_CONTEXT;
		fib->size = sizeof(struct fib);
		fib->hw_fib_va = hw_fib;
		fib->data = hw_fib->data;
		fib->dev = dev;
		
				
		if (dev->aif_thread && fib != &fibctx) {
		        list_add_tail(&fib->fiblink, &q->cmdq);
	 	        aac_consumer_free(dev, q, HostNormCmdQueue);
		        wake_up_interruptible(&q->cmdready);
		} else {
	 	        aac_consumer_free(dev, q, HostNormCmdQueue);
			spin_unlock_irqrestore(q->lock, flags);
			/*
			 *	Set the status of this FIB
			 */
			*(__le32 *)hw_fib->data = cpu_to_le32(ST_OK);
			aac_fib_adapter_complete(fib, sizeof(u32));
			spin_lock_irqsave(q->lock, flags);
		}		
	}
	spin_unlock_irqrestore(q->lock, flags);
	return 0;
}


/**
 *	aac_intr_normal	-	Handle command replies
 *	@dev: Device
 *	@index: completion reference
 *
 *	This DPC routine will be run when the adapter interrupts us to let us
 *	know there is a response on our normal priority queue. We will pull off
 *	all QE there are and wake up all the waiters before exiting.
 */

unsigned int aac_intr_normal(struct aac_dev * dev, u32 index)
{
	unsigned long mflags;
	dprintk((KERN_INFO "aac_intr_normal(%p,%x)\n", dev, index));
	if ((index & 0x00000002L)) {
		struct hw_fib * hw_fib;
		struct fib * fib;
		struct aac_queue *q = &dev->queues->queue[HostNormCmdQueue];
		unsigned long flags;

		if (index == 0xFFFFFFFEL) /* Special Case */
			return 0;	  /* Do nothing */
		/*
		 *	Allocate a FIB. For non queued stuff we can just use
		 * the stack so we are happy. We need a fib object in order to
		 * manage the linked lists.
		 */
		if ((!dev->aif_thread)
		 || (!(fib = kzalloc(sizeof(struct fib),GFP_ATOMIC))))
			return 1;
		if (!(hw_fib = kzalloc(sizeof(struct hw_fib),GFP_ATOMIC))) {
			kfree (fib);
			return 1;
		}
		memcpy(hw_fib, (struct hw_fib *)(((uintptr_t)(dev->regs.sa)) +
		  (index & ~0x00000002L)), sizeof(struct hw_fib));
		INIT_LIST_HEAD(&fib->fiblink);
		fib->type = FSAFS_NTC_FIB_CONTEXT;
		fib->size = sizeof(struct fib);
		fib->hw_fib_va = hw_fib;
		fib->data = hw_fib->data;
		fib->dev = dev;
	
		spin_lock_irqsave(q->lock, flags);
		list_add_tail(&fib->fiblink, &q->cmdq);
	        wake_up_interruptible(&q->cmdready);
		spin_unlock_irqrestore(q->lock, flags);
		return 1;
	} else {
		int fast = index & 0x01;
		struct fib * fib = &dev->fibs[index >> 2];
		struct hw_fib * hwfib = fib->hw_fib_va;

		/*
		 *	Remove this fib from the Outstanding I/O queue.
		 *	But only if it has not already been timed out.
		 *
		 *	If the fib has been timed out already, then just 
		 *	continue. The caller has already been notified that
		 *	the fib timed out.
		 */
		dev->queues->queue[AdapNormCmdQueue].numpending--;

		if (unlikely(fib->flags & FIB_CONTEXT_FLAG_TIMED_OUT)) {
			aac_fib_complete(fib);
			aac_fib_free(fib);
			return 0;
		}

		if (fast) {
			/*
			 *	Doctor the fib
			 */
			*(__le32 *)hwfib->data = cpu_to_le32(ST_OK);
			hwfib->header.XferState |= cpu_to_le32(AdapterProcessed);
		}

		FIB_COUNTER_INCREMENT(aac_config.FibRecved);

		if (hwfib->header.Command == cpu_to_le16(NuFileSystem))
		{
			__le32 *pstatus = (__le32 *)hwfib->data;
			if (*pstatus & cpu_to_le32(0xffff0000))
				*pstatus = cpu_to_le32(ST_OK);
		}
		if (hwfib->header.XferState & cpu_to_le32(NoResponseExpected | Async)) 
		{
	        	if (hwfib->header.XferState & cpu_to_le32(NoResponseExpected))
				FIB_COUNTER_INCREMENT(aac_config.NoResponseRecved);
			else 
				FIB_COUNTER_INCREMENT(aac_config.AsyncRecved);
			/*
			 *	NOTE:  we cannot touch the fib after this
			 *	    call, because it may have been deallocated.
			 */
			fib->flags = 0;
			fib->callback(fib->callback_data, fib);
		} else {
			unsigned long flagv;
	  		dprintk((KERN_INFO "event_wait up\n"));
			spin_lock_irqsave(&fib->event_lock, flagv);
			if (!fib->done) {
				fib->done = 1;
				up(&fib->event_wait);
			}
			spin_unlock_irqrestore(&fib->event_lock, flagv);

			spin_lock_irqsave(&dev->manage_lock, mflags);
			dev->management_fib_count--;
			spin_unlock_irqrestore(&dev->manage_lock, mflags);

			FIB_COUNTER_INCREMENT(aac_config.NormalRecved);
			if (fib->done == 2) {
				spin_lock_irqsave(&fib->event_lock, flagv);
				fib->done = 0;
				spin_unlock_irqrestore(&fib->event_lock, flagv);
				aac_fib_complete(fib);
				aac_fib_free(fib);
			}

		}
		return 0;
	}
}
Commit	Line	Data
1da177e4 LT	1	/*
1da177e4 LT	2	* Adaptec AAC series RAID controller driver
fa195afe	3	* (c) Copyright 2001 Red Hat Inc.
1da177e4 LT	4	*
	5	* based on the old aacraid driver that is..
	6	* Adaptec aacraid device driver for Linux.
	7	*
03d44337	8	* Copyright (c) 2000-2007 Adaptec, Inc. (aacraid@adaptec.com)
1da177e4 LT	9	*
	10	* This program is free software; you can redistribute it and/or modify
	11	* it under the terms of the GNU General Public License as published by
	12	* the Free Software Foundation; either version 2, or (at your option)
	13	* 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	* You should have received a copy of the GNU General Public License
	21	* along with this program; see the file COPYING. If not, write to
	22	* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
	23	*
	24	* Module Name:
	25	* dpcsup.c
	26	*
	27	* Abstract: All DPC processing routines for the cyclone board occur here.
	28	*
	29	*
	30	*/
	31
	32	#include <linux/kernel.h>
	33	#include <linux/init.h>
	34	#include <linux/types.h>
1da177e4 LT	35	#include <linux/spinlock.h>
	36	#include <linux/slab.h>
	37	#include <linux/completion.h>
	38	#include <linux/blkdev.h>
6188e10d	39	#include <linux/semaphore.h>
1da177e4 LT	40
	41	#include "aacraid.h"
	42
	43	/**
	44	* aac_response_normal - Handle command replies
	45	* @q: Queue to read from
	46	*
	47	* This DPC routine will be run when the adapter interrupts us to let us
	48	* know there is a response on our normal priority queue. We will pull off
	49	* all QE there are and wake up all the waiters before exiting. We will
	50	* take a spinlock out on the queue before operating on it.
	51	*/
	52
	53	unsigned int aac_response_normal(struct aac_queue * q)
	54	{
	55	struct aac_dev * dev = q->dev;
	56	struct aac_entry *entry;
	57	struct hw_fib * hwfib;
	58	struct fib * fib;
	59	int consumed = 0;
cacb6dc3	60	unsigned long flags, mflags;
1da177e4	61
cacb6dc3	62	spin_lock_irqsave(q->lock, flags);
1da177e4 LT	63	/*
	64	* Keep pulling response QEs off the response queue and waking
	65	* up the waiters until there are no more QEs. We then return
	66	* back to the system. If no response was requesed we just
	67	* deallocate the Fib here and continue.
	68	*/
	69	while(aac_consumer_get(dev, q, &entry))
	70	{
	71	int fast;
	72	u32 index = le32_to_cpu(entry->addr);
	73	fast = index & 0x01;
8e0c5ebd	74	fib = &dev->fibs[index >> 2];
a8166a52	75	hwfib = fib->hw_fib_va;
1da177e4 LT	76
	77	aac_consumer_free(dev, q, HostNormRespQueue);
	78	/*
	79	* Remove this fib from the Outstanding I/O queue.
	80	* But only if it has not already been timed out.
	81	*
	82	* If the fib has been timed out already, then just
	83	* continue. The caller has already been notified that
	84	* the fib timed out.
	85	*/
03d44337 MH	86	dev->queues->queue[AdapNormCmdQueue].numpending--;
	87
	88	if (unlikely(fib->flags & FIB_CONTEXT_FLAG_TIMED_OUT)) {
	89	spin_unlock_irqrestore(q->lock, flags);
	90	aac_fib_complete(fib);
	91	aac_fib_free(fib);
	92	spin_lock_irqsave(q->lock, flags);
1da177e4 LT	93	continue;
	94	}
	95	spin_unlock_irqrestore(q->lock, flags);
	96
	97	if (fast) {
	98	/*
	99	* Doctor the fib
	100	*/
56b58712	101	(__le32 )hwfib->data = cpu_to_le32(ST_OK);
1da177e4 LT	102	hwfib->header.XferState \|= cpu_to_le32(AdapterProcessed);
	103	}
	104
	105	FIB_COUNTER_INCREMENT(aac_config.FibRecved);
	106
	107	if (hwfib->header.Command == cpu_to_le16(NuFileSystem))
	108	{
56b58712	109	__le32 pstatus = (__le32 )hwfib->data;
1da177e4 LT	110	if (*pstatus & cpu_to_le32(0xffff0000))
	111	*pstatus = cpu_to_le32(ST_OK);
	112	}
	113	if (hwfib->header.XferState & cpu_to_le32(NoResponseExpected \| Async))
	114	{
	115	if (hwfib->header.XferState & cpu_to_le32(NoResponseExpected))
	116	FIB_COUNTER_INCREMENT(aac_config.NoResponseRecved);
	117	else
	118	FIB_COUNTER_INCREMENT(aac_config.AsyncRecved);
	119	/*
	120	* NOTE: we cannot touch the fib after this
	121	* call, because it may have been deallocated.
	122	*/
b6ef70f3	123	fib->flags = 0;
1da177e4 LT	124	fib->callback(fib->callback_data, fib);
	125	} else {
	126	unsigned long flagv;
	127	spin_lock_irqsave(&fib->event_lock, flagv);
cacb6dc3	128	if (!fib->done) {
c8f7b073	129	fib->done = 1;
cacb6dc3 PNRCEH	130	up(&fib->event_wait);
cacb6dc3 PNRCEH	131	}
1da177e4	132	spin_unlock_irqrestore(&fib->event_lock, flagv);
cacb6dc3 PNRCEH	133
	134	spin_lock_irqsave(&dev->manage_lock, mflags);
	135	dev->management_fib_count--;
	136	spin_unlock_irqrestore(&dev->manage_lock, mflags);
	137
1da177e4	138	FIB_COUNTER_INCREMENT(aac_config.NormalRecved);
c8f7b073	139	if (fib->done == 2) {
cacb6dc3 PNRCEH	140	spin_lock_irqsave(&fib->event_lock, flagv);
	141	fib->done = 0;
	142	spin_unlock_irqrestore(&fib->event_lock, flagv);
c8f7b073 MH	143	aac_fib_complete(fib);
	144	aac_fib_free(fib);
	145	}
1da177e4 LT	146	}
	147	consumed++;
	148	spin_lock_irqsave(q->lock, flags);
	149	}
	150
	151	if (consumed > aac_config.peak_fibs)
	152	aac_config.peak_fibs = consumed;
	153	if (consumed == 0)
	154	aac_config.zero_fibs++;
	155
	156	spin_unlock_irqrestore(q->lock, flags);
	157	return 0;
	158	}
	159
	160
	161	/**
	162	* aac_command_normal - handle commands
	163	* @q: queue to process
	164	*
	165	* This DPC routine will be queued when the adapter interrupts us to
	166	* let us know there is a command on our normal priority queue. We will
	167	* pull off all QE there are and wake up all the waiters before exiting.
	168	* We will take a spinlock out on the queue before operating on it.
	169	*/
	170
	171	unsigned int aac_command_normal(struct aac_queue *q)
	172	{
	173	struct aac_dev * dev = q->dev;
	174	struct aac_entry *entry;
	175	unsigned long flags;
	176
	177	spin_lock_irqsave(q->lock, flags);
	178
	179	/*
	180	* Keep pulling response QEs off the response queue and waking
	181	* up the waiters until there are no more QEs. We then return
	182	* back to the system.
	183	*/
	184	while(aac_consumer_get(dev, q, &entry))
	185	{
	186	struct fib fibctx;
	187	struct hw_fib * hw_fib;
	188	u32 index;
	189	struct fib *fib = &fibctx;
	190
	191	index = le32_to_cpu(entry->addr) / sizeof(struct hw_fib);
	192	hw_fib = &dev->aif_base_va[index];
	193
	194	/*
	195	* Allocate a FIB at all costs. For non queued stuff
	196	* we can just use the stack so we are happy. We need
	197	* a fib object in order to manage the linked lists
	198	*/
	199	if (dev->aif_thread)
	200	if((fib = kmalloc(sizeof(struct fib), GFP_ATOMIC)) == NULL)
	201	fib = &fibctx;
	202
	203	memset(fib, 0, sizeof(struct fib));
	204	INIT_LIST_HEAD(&fib->fiblink);
	205	fib->type = FSAFS_NTC_FIB_CONTEXT;
	206	fib->size = sizeof(struct fib);
a8166a52	207	fib->hw_fib_va = hw_fib;
1da177e4 LT	208	fib->data = hw_fib->data;
	209	fib->dev = dev;
	210
	211
	212	if (dev->aif_thread && fib != &fibctx) {
	213	list_add_tail(&fib->fiblink, &q->cmdq);
	214	aac_consumer_free(dev, q, HostNormCmdQueue);
	215	wake_up_interruptible(&q->cmdready);
	216	} else {
	217	aac_consumer_free(dev, q, HostNormCmdQueue);
	218	spin_unlock_irqrestore(q->lock, flags);
	219	/*
	220	* Set the status of this FIB
	221	*/
56b58712	222	(__le32 )hw_fib->data = cpu_to_le32(ST_OK);
bfb35aa8	223	aac_fib_adapter_complete(fib, sizeof(u32));
1da177e4 LT	224	spin_lock_irqsave(q->lock, flags);
	225	}
	226	}
	227	spin_unlock_irqrestore(q->lock, flags);
	228	return 0;
	229	}
8e0c5ebd MH	230
	231
	232	/**
	233	* aac_intr_normal - Handle command replies
	234	* @dev: Device
	235	* @index: completion reference
	236	*
	237	* This DPC routine will be run when the adapter interrupts us to let us
	238	* know there is a response on our normal priority queue. We will pull off
	239	* all QE there are and wake up all the waiters before exiting.
	240	*/
	241
b6ef70f3	242	unsigned int aac_intr_normal(struct aac_dev * dev, u32 index)
8e0c5ebd	243	{
cacb6dc3	244	unsigned long mflags;
f3307f72	245	dprintk((KERN_INFO "aac_intr_normal(%p,%x)\n", dev, index));
8e0c5ebd MH	246	if ((index & 0x00000002L)) {
	247	struct hw_fib * hw_fib;
	248	struct fib * fib;
	249	struct aac_queue *q = &dev->queues->queue[HostNormCmdQueue];
	250	unsigned long flags;
	251
	252	if (index == 0xFFFFFFFEL) /* Special Case */
	253	return 0; /* Do nothing */
	254	/*
	255	* Allocate a FIB. For non queued stuff we can just use
	256	* the stack so we are happy. We need a fib object in order to
	257	* manage the linked lists.
	258	*/
	259	if ((!dev->aif_thread)
4dbc22d7	260	\|\| (!(fib = kzalloc(sizeof(struct fib),GFP_ATOMIC))))
8e0c5ebd	261	return 1;
4dbc22d7	262	if (!(hw_fib = kzalloc(sizeof(struct hw_fib),GFP_ATOMIC))) {
8e0c5ebd MH	263	kfree (fib);
	264	return 1;
	265	}
142956af	266	memcpy(hw_fib, (struct hw_fib *)(((uintptr_t)(dev->regs.sa)) +
4dfb7cbe	267	(index & ~0x00000002L)), sizeof(struct hw_fib));
8e0c5ebd MH	268	INIT_LIST_HEAD(&fib->fiblink);
	269	fib->type = FSAFS_NTC_FIB_CONTEXT;
	270	fib->size = sizeof(struct fib);
a8166a52	271	fib->hw_fib_va = hw_fib;
8e0c5ebd MH	272	fib->data = hw_fib->data;
	273	fib->dev = dev;
	274
	275	spin_lock_irqsave(q->lock, flags);
	276	list_add_tail(&fib->fiblink, &q->cmdq);
	277	wake_up_interruptible(&q->cmdready);
	278	spin_unlock_irqrestore(q->lock, flags);
	279	return 1;
	280	} else {
	281	int fast = index & 0x01;
	282	struct fib * fib = &dev->fibs[index >> 2];
a8166a52	283	struct hw_fib * hwfib = fib->hw_fib_va;
8e0c5ebd MH	284
	285	/*
	286	* Remove this fib from the Outstanding I/O queue.
	287	* But only if it has not already been timed out.
	288	*
	289	* If the fib has been timed out already, then just
	290	* continue. The caller has already been notified that
	291	* the fib timed out.
	292	*/
03d44337 MH	293	dev->queues->queue[AdapNormCmdQueue].numpending--;
	294
	295	if (unlikely(fib->flags & FIB_CONTEXT_FLAG_TIMED_OUT)) {
	296	aac_fib_complete(fib);
	297	aac_fib_free(fib);
8e0c5ebd MH	298	return 0;
	299	}
	300
8e0c5ebd MH	301	if (fast) {
	302	/*
	303	* Doctor the fib
	304	*/
	305	(__le32 )hwfib->data = cpu_to_le32(ST_OK);
	306	hwfib->header.XferState \|= cpu_to_le32(AdapterProcessed);
	307	}
	308
	309	FIB_COUNTER_INCREMENT(aac_config.FibRecved);
	310
	311	if (hwfib->header.Command == cpu_to_le16(NuFileSystem))
	312	{
f3307f72	313	__le32 pstatus = (__le32 )hwfib->data;
8e0c5ebd MH	314	if (*pstatus & cpu_to_le32(0xffff0000))
	315	*pstatus = cpu_to_le32(ST_OK);
	316	}
	317	if (hwfib->header.XferState & cpu_to_le32(NoResponseExpected \| Async))
	318	{
	319	if (hwfib->header.XferState & cpu_to_le32(NoResponseExpected))
	320	FIB_COUNTER_INCREMENT(aac_config.NoResponseRecved);
	321	else
	322	FIB_COUNTER_INCREMENT(aac_config.AsyncRecved);
	323	/*
	324	* NOTE: we cannot touch the fib after this
	325	* call, because it may have been deallocated.
	326	*/
b6ef70f3	327	fib->flags = 0;
8e0c5ebd MH	328	fib->callback(fib->callback_data, fib);
	329	} else {
	330	unsigned long flagv;
	331	dprintk((KERN_INFO "event_wait up\n"));
	332	spin_lock_irqsave(&fib->event_lock, flagv);
cacb6dc3	333	if (!fib->done) {
c8f7b073	334	fib->done = 1;
cacb6dc3 PNRCEH	335	up(&fib->event_wait);
cacb6dc3 PNRCEH	336	}
8e0c5ebd	337	spin_unlock_irqrestore(&fib->event_lock, flagv);
cacb6dc3 PNRCEH	338
	339	spin_lock_irqsave(&dev->manage_lock, mflags);
	340	dev->management_fib_count--;
	341	spin_unlock_irqrestore(&dev->manage_lock, mflags);
	342
8e0c5ebd	343	FIB_COUNTER_INCREMENT(aac_config.NormalRecved);
cacb6dc3 PNRCEH	344	if (fib->done == 2) {
	345	spin_lock_irqsave(&fib->event_lock, flagv);
	346	fib->done = 0;
	347	spin_unlock_irqrestore(&fib->event_lock, flagv);
	348	aac_fib_complete(fib);
	349	aac_fib_free(fib);
	350	}
	351
8e0c5ebd MH	352	}
	353	return 0;
	354	}
	355	}