xref: /freebsd/sys/dev/hptmv/entry.c (revision 884a2a699669ec61e2366e3e358342dbc94be24a)
1 /*
2  * Copyright (c) 2004-2005 HighPoint Technologies, Inc.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  *
26  * $FreeBSD$
27  */
28 
29 #include <sys/param.h>
30 #include <sys/systm.h>
31 #include <sys/kernel.h>
32 #include <sys/bus.h>
33 #include <sys/malloc.h>
34 #include <sys/resource.h>
35 #include <sys/time.h>
36 #include <sys/callout.h>
37 #include <sys/signalvar.h>
38 #include <sys/eventhandler.h>
39 #include <sys/proc.h>
40 #include <sys/kthread.h>
41 
42 #if (__FreeBSD_version >= 500000)
43 #include <sys/mutex.h>
44 #include <sys/module.h>
45 #endif
46 
47 #if (__FreeBSD_version >= 500000)
48 #include <dev/pci/pcireg.h>
49 #include <dev/pci/pcivar.h>
50 #else
51 #include <pci/pcireg.h>
52 #include <pci/pcivar.h>
53 #include <sys/wait.h>
54 #include <sys/sysproto.h>
55 #endif
56 
57 #ifndef __KERNEL__
58 #define __KERNEL__
59 #endif
60 
61 #include <dev/hptmv/global.h>
62 #include <dev/hptmv/hptintf.h>
63 #include <dev/hptmv/osbsd.h>
64 #include <dev/hptmv/access601.h>
65 
66 
67 #ifdef DEBUG
68 #ifdef DEBUG_LEVEL
69 int hpt_dbg_level = DEBUG_LEVEL;
70 #else
71 int hpt_dbg_level = 0;
72 #endif
73 #endif
74 
75 #define MV_ERROR printf
76 
77 /*
78  * CAM SIM entry points
79  */
80 static int 	hpt_probe (device_t dev);
81 static void launch_worker_thread(void);
82 static int 	hpt_attach(device_t dev);
83 static int 	hpt_detach(device_t dev);
84 static int 	hpt_shutdown(device_t dev);
85 static void hpt_poll(struct cam_sim *sim);
86 static void hpt_intr(void *arg);
87 static void hpt_async(void *callback_arg, u_int32_t code, struct cam_path *path, void *arg);
88 static void hpt_action(struct cam_sim *sim, union ccb *ccb);
89 
90 static device_method_t driver_methods[] = {
91 	/* Device interface */
92 	DEVMETHOD(device_probe,		hpt_probe),
93 	DEVMETHOD(device_attach,	hpt_attach),
94 	DEVMETHOD(device_detach,	hpt_detach),
95 
96 	DEVMETHOD(device_shutdown,	hpt_shutdown),
97 	{ 0, 0 }
98 };
99 
100 static driver_t hpt_pci_driver = {
101 	__str(PROC_DIR_NAME),
102 	driver_methods,
103 	sizeof(IAL_ADAPTER_T)
104 };
105 
106 static devclass_t	hpt_devclass;
107 
108 #define __DRIVER_MODULE(p1, p2, p3, p4, p5, p6) DRIVER_MODULE(p1, p2, p3, p4, p5, p6)
109 __DRIVER_MODULE(PROC_DIR_NAME, pci, hpt_pci_driver, hpt_devclass, 0, 0);
110 
111 #define ccb_ccb_ptr spriv_ptr0
112 #define ccb_adapter ccb_h.spriv_ptr1
113 
114 static void SetInquiryData(PINQUIRYDATA inquiryData, PVDevice pVDev);
115 static void HPTLIBAPI OsSendCommand (_VBUS_ARG union ccb * ccb);
116 static void HPTLIBAPI fOsCommandDone(_VBUS_ARG PCommand pCmd);
117 static void ccb_done(union ccb *ccb);
118 static void hpt_queue_ccb(union ccb **ccb_Q, union ccb *ccb);
119 static void hpt_free_ccb(union ccb **ccb_Q, union ccb *ccb);
120 static void	hptmv_free_edma_queues(IAL_ADAPTER_T *pAdapter);
121 static void	hptmv_free_channel(IAL_ADAPTER_T *pAdapter, MV_U8 channelNum);
122 static void	handleEdmaError(_VBUS_ARG PCommand pCmd);
123 static int	hptmv_init_channel(IAL_ADAPTER_T *pAdapter, MV_U8 channelNum);
124 static int	fResetActiveCommands(PVBus _vbus_p);
125 static void	fRegisterVdevice(IAL_ADAPTER_T *pAdapter);
126 static int	hptmv_allocate_edma_queues(IAL_ADAPTER_T *pAdapter);
127 static void	hptmv_handle_event_disconnect(void *data);
128 static void	hptmv_handle_event_connect(void *data);
129 static int	start_channel(IAL_ADAPTER_T *pAdapter, MV_U8 channelNum);
130 static void	init_vdev_params(IAL_ADAPTER_T *pAdapter, MV_U8 channel);
131 static int	hptmv_parse_identify_results(MV_SATA_CHANNEL *pMvSataChannel);
132 static int HPTLIBAPI fOsBuildSgl(_VBUS_ARG PCommand pCmd, FPSCAT_GATH pSg,
133     int logical);
134 static MV_BOOLEAN CommandCompletionCB(MV_SATA_ADAPTER *pMvSataAdapter,
135     MV_U8 channelNum, MV_COMPLETION_TYPE comp_type, MV_VOID_PTR commandId,
136     MV_U16 responseFlags, MV_U32 timeStamp,
137     MV_STORAGE_DEVICE_REGISTERS *registerStruct);
138 static MV_BOOLEAN hptmv_event_notify(MV_SATA_ADAPTER *pMvSataAdapter,
139     MV_EVENT_TYPE eventType, MV_U32 param1, MV_U32 param2);
140 
141 #define ccb_ccb_ptr spriv_ptr0
142 #define ccb_adapter ccb_h.spriv_ptr1
143 
144 IAL_ADAPTER_T *gIal_Adapter = 0;
145 IAL_ADAPTER_T *pCurAdapter = 0;
146 static MV_SATA_CHANNEL gMvSataChannels[MAX_VBUS][MV_SATA_CHANNELS_NUM];
147 
148 typedef struct st_HPT_DPC {
149 	IAL_ADAPTER_T *pAdapter;
150 	void (*dpc)(IAL_ADAPTER_T *, void *, UCHAR);
151 	void *arg;
152 	UCHAR flags;
153 } ST_HPT_DPC;
154 
155 #define MAX_DPC 16
156 UCHAR DPC_Request_Nums = 0;
157 static ST_HPT_DPC DpcQueue[MAX_DPC];
158 static int DpcQueue_First=0;
159 static int DpcQueue_Last = 0;
160 
161 char DRIVER_VERSION[] = "v1.16";
162 
163 #if (__FreeBSD_version >= 500000)
164 static struct mtx driver_lock;
165 intrmask_t lock_driver()
166 {
167 
168 	intrmask_t spl = 0;
169 	mtx_lock(&driver_lock);
170 	return spl;
171 }
172 void unlock_driver(intrmask_t spl)
173 {
174 	mtx_unlock(&driver_lock);
175 }
176 #else
177 static int driver_locked = 0;
178 intrmask_t lock_driver()
179 {
180 	intrmask_t spl = splcam();
181 loop:
182 	while (driver_locked)
183 		tsleep(&driver_locked, PRIBIO, "hptlck", hz);
184 	atomic_add_int(&driver_locked, 1);
185 	if (driver_locked>1) {
186 		atomic_subtract_int(&driver_locked, 1);
187 		goto loop;
188 	}
189 	return spl;
190 }
191 
192 void unlock_driver(intrmask_t spl)
193 {
194 	atomic_subtract_int(&driver_locked, 1);
195 	if (driver_locked==0) {
196 		wakeup(&driver_locked);
197 	}
198 	splx(spl);
199 }
200 #endif
201 
202 /*******************************************************************************
203  *	Name:	hptmv_free_channel
204  *
205  *	Description:	free allocated queues for the given channel
206  *
207  *	Parameters:    	pMvSataAdapter - pointer to the RR18xx controler this
208  * 					channel connected to.
209  *			channelNum - channel number.
210  *
211  ******************************************************************************/
212 static void
213 hptmv_free_channel(IAL_ADAPTER_T *pAdapter, MV_U8 channelNum)
214 {
215 	HPT_ASSERT(channelNum < MV_SATA_CHANNELS_NUM);
216 	pAdapter->mvSataAdapter.sataChannel[channelNum] = NULL;
217 }
218 
219 static void failDevice(PVDevice pVDev)
220 {
221 	PVBus _vbus_p = pVDev->pVBus;
222 	IAL_ADAPTER_T *pAdapter = (IAL_ADAPTER_T *)_vbus_p->OsExt;
223 
224 	pVDev->u.disk.df_on_line = 0;
225 	pVDev->vf_online = 0;
226 	if (pVDev->pfnDeviceFailed)
227 		CallWhenIdle(_VBUS_P (DPC_PROC)pVDev->pfnDeviceFailed, pVDev);
228 
229 	fNotifyGUI(ET_DEVICE_REMOVED, pVDev);
230 
231 #ifndef FOR_DEMO
232 	if (pAdapter->ver_601==2 && !pAdapter->beeping) {
233 		pAdapter->beeping = 1;
234 		BeepOn(pAdapter->mvSataAdapter.adapterIoBaseAddress);
235 		set_fail_led(&pAdapter->mvSataAdapter, pVDev->u.disk.mv->channelNumber, 1);
236 	}
237 #endif
238 }
239 
240 int MvSataResetChannel(MV_SATA_ADAPTER *pMvSataAdapter, MV_U8 channel);
241 
242 static void
243 handleEdmaError(_VBUS_ARG PCommand pCmd)
244 {
245 	PDevice pDevice = &pCmd->pVDevice->u.disk;
246 	MV_SATA_ADAPTER * pSataAdapter = pDevice->mv->mvSataAdapter;
247 
248 	if (!pDevice->df_on_line) {
249 		KdPrint(("Device is offline"));
250 		pCmd->Result = RETURN_BAD_DEVICE;
251 		CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
252 		return;
253 	}
254 
255 	if (pCmd->RetryCount++>5) {
256 		hpt_printk(("too many retries on channel(%d)\n", pDevice->mv->channelNumber));
257 failed:
258 		failDevice(pCmd->pVDevice);
259 		pCmd->Result = RETURN_IDE_ERROR;
260 		CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
261 		return;
262 	}
263 
264 	/* reset the channel and retry the command */
265 	if (MvSataResetChannel(pSataAdapter, pDevice->mv->channelNumber))
266 		goto failed;
267 
268 	fNotifyGUI(ET_DEVICE_ERROR, Map2pVDevice(pDevice));
269 
270 	hpt_printk(("Retry on channel(%d)\n", pDevice->mv->channelNumber));
271 	fDeviceSendCommand(_VBUS_P pCmd);
272 }
273 
274 /****************************************************************
275  *	Name:	hptmv_init_channel
276  *
277  *	Description:	allocate request and response queues for the EDMA of the
278  *					given channel and sets other fields.
279  *
280  *	Parameters:
281  *		pAdapter - pointer to the emulated adapter data structure
282  *		channelNum - channel number.
283  *	Return:	0 on success, otherwise on failure
284  ****************************************************************/
285 static int
286 hptmv_init_channel(IAL_ADAPTER_T *pAdapter, MV_U8 channelNum)
287 {
288 	MV_SATA_CHANNEL *pMvSataChannel;
289 	dma_addr_t    req_dma_addr;
290 	dma_addr_t    rsp_dma_addr;
291 
292 	if (channelNum >= MV_SATA_CHANNELS_NUM)
293 	{
294 		MV_ERROR("RR18xx[%d]: Bad channelNum=%d",
295 				 pAdapter->mvSataAdapter.adapterId, channelNum);
296 		return -1;
297 	}
298 
299 	pMvSataChannel = &gMvSataChannels[pAdapter->mvSataAdapter.adapterId][channelNum];
300 	pAdapter->mvSataAdapter.sataChannel[channelNum] = pMvSataChannel;
301 	pMvSataChannel->channelNumber = channelNum;
302 	pMvSataChannel->lba48Address = MV_FALSE;
303 	pMvSataChannel->maxReadTransfer = MV_FALSE;
304 
305 	pMvSataChannel->requestQueue = (struct mvDmaRequestQueueEntry *)
306 								   (pAdapter->requestsArrayBaseAlignedAddr + (channelNum * MV_EDMA_REQUEST_QUEUE_SIZE));
307 	req_dma_addr = pAdapter->requestsArrayBaseDmaAlignedAddr + (channelNum * MV_EDMA_REQUEST_QUEUE_SIZE);
308 
309 
310 	KdPrint(("requestQueue addr is 0x%llX", (HPT_U64)(ULONG_PTR)req_dma_addr));
311 
312 	/* check the 1K alignment of the request queue*/
313 	if (req_dma_addr & 0x3ff)
314 	{
315 		MV_ERROR("RR18xx[%d]: request queue allocated isn't 1 K aligned,"
316 				 " dma_addr=%llx channel=%d\n", pAdapter->mvSataAdapter.adapterId,
317 				 (HPT_U64)(ULONG_PTR)req_dma_addr, channelNum);
318 		return -1;
319 	}
320 	pMvSataChannel->requestQueuePciLowAddress = req_dma_addr;
321 	pMvSataChannel->requestQueuePciHiAddress = 0;
322 	KdPrint(("RR18xx[%d,%d]: request queue allocated: 0x%p",
323 			  pAdapter->mvSataAdapter.adapterId, channelNum,
324 			  pMvSataChannel->requestQueue));
325 	pMvSataChannel->responseQueue = (struct mvDmaResponseQueueEntry *)
326 									(pAdapter->responsesArrayBaseAlignedAddr + (channelNum * MV_EDMA_RESPONSE_QUEUE_SIZE));
327 	rsp_dma_addr = pAdapter->responsesArrayBaseDmaAlignedAddr + (channelNum * MV_EDMA_RESPONSE_QUEUE_SIZE);
328 
329 	/* check the 256 alignment of the response queue*/
330 	if (rsp_dma_addr & 0xff)
331 	{
332 		MV_ERROR("RR18xx[%d,%d]: response queue allocated isn't 256 byte "
333 				 "aligned, dma_addr=%llx\n",
334 				 pAdapter->mvSataAdapter.adapterId, channelNum, (HPT_U64)(ULONG_PTR)rsp_dma_addr);
335 		return -1;
336 	}
337 	pMvSataChannel->responseQueuePciLowAddress = rsp_dma_addr;
338 	pMvSataChannel->responseQueuePciHiAddress = 0;
339 	KdPrint(("RR18xx[%d,%d]: response queue allocated: 0x%p",
340 			  pAdapter->mvSataAdapter.adapterId, channelNum,
341 			  pMvSataChannel->responseQueue));
342 
343 	pAdapter->mvChannel[channelNum].online = MV_TRUE;
344 	return 0;
345 }
346 
347 /******************************************************************************
348  *	Name: hptmv_parse_identify_results
349  *
350  *	Description:	this functions parses the identify command results, checks
351  *					that the connected deives can be accesed by RR18xx EDMA,
352  *					and updates the channel stucture accordingly.
353  *
354  *	Parameters:     pMvSataChannel, pointer to the channel data structure.
355  *
356  *	Returns:       	=0 ->success, < 0 ->failure.
357  *
358  ******************************************************************************/
359 static int
360 hptmv_parse_identify_results(MV_SATA_CHANNEL *pMvSataChannel)
361 {
362 	MV_U16  *iden = pMvSataChannel->identifyDevice;
363 
364 	/*LBA addressing*/
365 	if (! (iden[IDEN_CAPACITY_1_OFFSET] & 0x200))
366 	{
367 		KdPrint(("IAL Error in IDENTIFY info: LBA not supported\n"));
368 		return -1;
369 	}
370 	else
371 	{
372 		KdPrint(("%25s - %s\n", "Capabilities", "LBA supported"));
373 	}
374 	/*DMA support*/
375 	if (! (iden[IDEN_CAPACITY_1_OFFSET] & 0x100))
376 	{
377 		KdPrint(("IAL Error in IDENTIFY info: DMA not supported\n"));
378 		return -1;
379 	}
380 	else
381 	{
382 		KdPrint(("%25s - %s\n", "Capabilities", "DMA supported"));
383 	}
384 	/* PIO */
385 	if ((iden[IDEN_VALID] & 2) == 0)
386 	{
387 		KdPrint(("IAL Error in IDENTIFY info: not able to find PIO mode\n"));
388 		return -1;
389 	}
390 	KdPrint(("%25s - 0x%02x\n", "PIO modes supported",
391 			  iden[IDEN_PIO_MODE_SPPORTED] & 0xff));
392 
393 	/*UDMA*/
394 	if ((iden[IDEN_VALID] & 4) == 0)
395 	{
396 		KdPrint(("IAL Error in IDENTIFY info: not able to find UDMA mode\n"));
397 		return -1;
398 	}
399 
400 	/* 48 bit address */
401 	if ((iden[IDEN_SUPPORTED_COMMANDS2] & 0x400))
402 	{
403 		KdPrint(("%25s - %s\n", "LBA48 addressing", "supported"));
404 		pMvSataChannel->lba48Address = MV_TRUE;
405 	}
406 	else
407 	{
408 		KdPrint(("%25s - %s\n", "LBA48 addressing", "Not supported"));
409 		pMvSataChannel->lba48Address = MV_FALSE;
410 	}
411 	return 0;
412 }
413 
414 static void
415 init_vdev_params(IAL_ADAPTER_T *pAdapter, MV_U8 channel)
416 {
417 	PVDevice pVDev = &pAdapter->VDevices[channel];
418 	MV_SATA_CHANNEL *pMvSataChannel = pAdapter->mvSataAdapter.sataChannel[channel];
419 	MV_U16_PTR IdentifyData = pMvSataChannel->identifyDevice;
420 
421 	pMvSataChannel->outstandingCommands = 0;
422 
423 	pVDev->u.disk.mv         = pMvSataChannel;
424 	pVDev->u.disk.df_on_line = 1;
425 	pVDev->u.disk.pVBus      = &pAdapter->VBus;
426 	pVDev->pVBus             = &pAdapter->VBus;
427 
428 #ifdef SUPPORT_48BIT_LBA
429 	if (pMvSataChannel->lba48Address == MV_TRUE)
430 		pVDev->u.disk.dDeRealCapacity = ((IdentifyData[101]<<16) | IdentifyData[100]) - 1;
431 	else
432 #endif
433 	if(IdentifyData[53] & 1) {
434 	pVDev->u.disk.dDeRealCapacity =
435 	  (((IdentifyData[58]<<16 | IdentifyData[57]) < (IdentifyData[61]<<16 | IdentifyData[60])) ?
436 		  (IdentifyData[61]<<16 | IdentifyData[60]) :
437 				(IdentifyData[58]<<16 | IdentifyData[57])) - 1;
438 	} else
439 		pVDev->u.disk.dDeRealCapacity =
440 				 (IdentifyData[61]<<16 | IdentifyData[60]) - 1;
441 
442 	pVDev->u.disk.bDeUsable_Mode = pVDev->u.disk.bDeModeSetting =
443 		pAdapter->mvChannel[channel].maxPioModeSupported - MV_ATA_TRANSFER_PIO_0;
444 
445 	if (pAdapter->mvChannel[channel].maxUltraDmaModeSupported!=0xFF) {
446 		pVDev->u.disk.bDeUsable_Mode = pVDev->u.disk.bDeModeSetting =
447 			pAdapter->mvChannel[channel].maxUltraDmaModeSupported - MV_ATA_TRANSFER_UDMA_0 + 8;
448 	}
449 }
450 
451 static void device_change(IAL_ADAPTER_T *pAdapter , MV_U8 channelIndex, int plugged)
452 {
453 	PVDevice pVDev;
454 	MV_SATA_ADAPTER  *pMvSataAdapter = &pAdapter->mvSataAdapter;
455 	MV_SATA_CHANNEL  *pMvSataChannel = pMvSataAdapter->sataChannel[channelIndex];
456 
457 	if (!pMvSataChannel) return;
458 
459 	if (plugged)
460 	{
461 		pVDev = &(pAdapter->VDevices[channelIndex]);
462 		init_vdev_params(pAdapter, channelIndex);
463 
464 		pVDev->VDeviceType = pVDev->u.disk.df_atapi? VD_ATAPI :
465 			pVDev->u.disk.df_removable_drive? VD_REMOVABLE : VD_SINGLE_DISK;
466 
467 		pVDev->VDeviceCapacity = pVDev->u.disk.dDeRealCapacity-SAVE_FOR_RAID_INFO;
468 		pVDev->pfnSendCommand = pfnSendCommand[pVDev->VDeviceType];
469 		pVDev->pfnDeviceFailed = pfnDeviceFailed[pVDev->VDeviceType];
470 		pVDev->vf_online = 1;
471 
472 #ifdef SUPPORT_ARRAY
473 		if(pVDev->pParent)
474 		{
475 			int iMember;
476 			for(iMember = 0; iMember < 	pVDev->pParent->u.array.bArnMember; iMember++)
477 				if((PVDevice)pVDev->pParent->u.array.pMember[iMember] == pVDev)
478 					pVDev->pParent->u.array.pMember[iMember] = NULL;
479 			pVDev->pParent = NULL;
480 		}
481 #endif
482 		fNotifyGUI(ET_DEVICE_PLUGGED,pVDev);
483 		fCheckBootable(pVDev);
484 		RegisterVDevice(pVDev);
485 
486 #ifndef FOR_DEMO
487 		if (pAdapter->beeping) {
488 			pAdapter->beeping = 0;
489 			BeepOff(pAdapter->mvSataAdapter.adapterIoBaseAddress);
490 		}
491 #endif
492 
493 	}
494 	else
495 	{
496 		pVDev  = &(pAdapter->VDevices[channelIndex]);
497 		failDevice(pVDev);
498 	}
499 }
500 
501 static int
502 start_channel(IAL_ADAPTER_T *pAdapter, MV_U8 channelNum)
503 {
504 	MV_SATA_ADAPTER *pMvSataAdapter = &pAdapter->mvSataAdapter;
505 	MV_SATA_CHANNEL *pMvSataChannel = pMvSataAdapter->sataChannel[channelNum];
506 	MV_CHANNEL		*pChannelInfo = &(pAdapter->mvChannel[channelNum]);
507 	MV_U32          udmaMode,pioMode;
508 
509 	KdPrint(("RR18xx [%d]: start channel (%d)", pMvSataAdapter->adapterId,
510 			 channelNum));
511 
512 
513 	/* Software reset channel */
514 	if (mvStorageDevATASoftResetDevice(pMvSataAdapter, channelNum) == MV_FALSE)
515 	{
516 		MV_ERROR("RR18xx [%d,%d]: failed to perform Software reset\n",
517 				 pMvSataAdapter->adapterId, channelNum);
518 		return -1;
519 	}
520 
521 	/* Hardware reset channel */
522 	if (mvSataChannelHardReset(pMvSataAdapter, channelNum) == MV_FALSE)
523 	{
524 		/* If failed, try again - this is when trying to hardreset a channel */
525 		/* when drive is just spinning up */
526 		StallExec(5000000); /* wait 5 sec before trying again */
527 		if (mvSataChannelHardReset(pMvSataAdapter, channelNum) == MV_FALSE)
528 		{
529 			MV_ERROR("RR18xx [%d,%d]: failed to perform Hard reset\n",
530 					 pMvSataAdapter->adapterId, channelNum);
531 			return -1;
532 		}
533 	}
534 
535 	/* identify device*/
536 	if (mvStorageDevATAIdentifyDevice(pMvSataAdapter, channelNum) == MV_FALSE)
537 	{
538 		MV_ERROR("RR18xx [%d,%d]: failed to perform ATA Identify command\n"
539 				 , pMvSataAdapter->adapterId, channelNum);
540 		return -1;
541 	}
542 	if (hptmv_parse_identify_results(pMvSataChannel))
543 	{
544 		MV_ERROR("RR18xx [%d,%d]: Error in parsing ATA Identify message\n"
545 				 , pMvSataAdapter->adapterId, channelNum);
546 		return -1;
547 	}
548 
549 	/* mvStorageDevATASetFeatures */
550 	/* Disable 8 bit PIO in case CFA enabled */
551 	if (pMvSataChannel->identifyDevice[86] & 4)
552 	{
553 		KdPrint(("RR18xx [%d]: Disable 8 bit PIO (CFA enabled) \n",
554 				  pMvSataAdapter->adapterId));
555 		if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
556 									   MV_ATA_SET_FEATURES_DISABLE_8_BIT_PIO, 0,
557 									   0, 0, 0) == MV_FALSE)
558 		{
559 			MV_ERROR("RR18xx [%d]: channel %d: mvStorageDevATASetFeatures"
560 					 " failed\n", pMvSataAdapter->adapterId, channelNum);
561 			return -1;
562 		}
563 	}
564 	/* Write cache */
565 #ifdef ENABLE_WRITE_CACHE
566 	if (pMvSataChannel->identifyDevice[82] & 0x20)
567 	{
568 		if (!(pMvSataChannel->identifyDevice[85] & 0x20)) /* if not enabled by default */
569 		{
570 			if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
571 										   MV_ATA_SET_FEATURES_ENABLE_WCACHE, 0,
572 										   0, 0, 0) == MV_FALSE)
573 			{
574 				MV_ERROR("RR18xx [%d]: channel %d: mvStorageDevATASetFeatures failed\n",
575 						 pMvSataAdapter->adapterId, channelNum);
576 				return -1;
577 			}
578 		}
579 		KdPrint(("RR18xx [%d]: channel %d, write cache enabled\n",
580 				  pMvSataAdapter->adapterId, channelNum));
581 	}
582 	else
583 	{
584 		KdPrint(("RR18xx [%d]: channel %d, write cache not supported\n",
585 				  pMvSataAdapter->adapterId, channelNum));
586 	}
587 #else /* disable write cache */
588 	{
589 		if (pMvSataChannel->identifyDevice[85] & 0x20)
590 		{
591 			KdPrint(("RR18xx [%d]: channel =%d, disable write cache\n",
592 					  pMvSataAdapter->adapterId, channelNum));
593 			if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
594 										   MV_ATA_SET_FEATURES_DISABLE_WCACHE, 0,
595 										   0, 0, 0) == MV_FALSE)
596 			{
597 				MV_ERROR("RR18xx [%d]: channel %d: mvStorageDevATASetFeatures failed\n",
598 						 pMvSataAdapter->adapterId, channelNum);
599 				return -1;
600 			}
601 		}
602 		KdPrint(("RR18xx [%d]: channel=%d, write cache disabled\n",
603 				  pMvSataAdapter->adapterId, channelNum));
604 	}
605 #endif
606 
607 	/* Set transfer mode */
608 	KdPrint(("RR18xx [%d] Set transfer mode XFER_PIO_SLOW\n",
609 			  pMvSataAdapter->adapterId));
610 	if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
611 								   MV_ATA_SET_FEATURES_TRANSFER,
612 								   MV_ATA_TRANSFER_PIO_SLOW, 0, 0, 0) ==
613 		MV_FALSE)
614 	{
615 		MV_ERROR("RR18xx [%d] channel %d: Set Features failed\n",
616 				 pMvSataAdapter->adapterId, channelNum);
617 		return -1;
618 	}
619 
620 	if (pMvSataChannel->identifyDevice[IDEN_PIO_MODE_SPPORTED] & 1)
621 	{
622 		pioMode = MV_ATA_TRANSFER_PIO_4;
623 	}
624 	else if (pMvSataChannel->identifyDevice[IDEN_PIO_MODE_SPPORTED] & 2)
625 	{
626 		pioMode = MV_ATA_TRANSFER_PIO_3;
627 	}
628 	else
629 	{
630 		MV_ERROR("IAL Error in IDENTIFY info: PIO modes 3 and 4 not supported\n");
631 		pioMode = MV_ATA_TRANSFER_PIO_SLOW;
632 	}
633 
634 	KdPrint(("RR18xx [%d] Set transfer mode XFER_PIO_4\n",
635 			  pMvSataAdapter->adapterId));
636 	pAdapter->mvChannel[channelNum].maxPioModeSupported = pioMode;
637 	if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
638 								   MV_ATA_SET_FEATURES_TRANSFER,
639 								   pioMode, 0, 0, 0) == MV_FALSE)
640 	{
641 		MV_ERROR("RR18xx [%d] channel %d: Set Features failed\n",
642 				 pMvSataAdapter->adapterId, channelNum);
643 		return -1;
644 	}
645 
646 	udmaMode = MV_ATA_TRANSFER_UDMA_0;
647 	if (pMvSataChannel->identifyDevice[IDEN_UDMA_MODE] & 0x40)
648 	{
649 		udmaMode =  MV_ATA_TRANSFER_UDMA_6;
650 	}
651 	else if (pMvSataChannel->identifyDevice[IDEN_UDMA_MODE] & 0x20)
652 	{
653 		udmaMode =  MV_ATA_TRANSFER_UDMA_5;
654 	}
655 	else if (pMvSataChannel->identifyDevice[IDEN_UDMA_MODE] & 0x10)
656 	{
657 		udmaMode =  MV_ATA_TRANSFER_UDMA_4;
658 	}
659 	else if (pMvSataChannel->identifyDevice[IDEN_UDMA_MODE] & 8)
660 	{
661 		udmaMode =  MV_ATA_TRANSFER_UDMA_3;
662 	}
663 	else if (pMvSataChannel->identifyDevice[IDEN_UDMA_MODE] & 4)
664 	{
665 		udmaMode =  MV_ATA_TRANSFER_UDMA_2;
666 	}
667 
668 	KdPrint(("RR18xx [%d] Set transfer mode XFER_UDMA_%d\n",
669 			  pMvSataAdapter->adapterId, udmaMode & 0xf));
670 	pChannelInfo->maxUltraDmaModeSupported = udmaMode;
671 
672 	/*if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
673 								   MV_ATA_SET_FEATURES_TRANSFER, udmaMode,
674 								   0, 0, 0) == MV_FALSE)
675 	{
676 		MV_ERROR("RR18xx [%d] channel %d: Set Features failed\n",
677 				 pMvSataAdapter->adapterId, channelNum);
678 		return -1;
679 	}*/
680 	if (pChannelInfo->maxUltraDmaModeSupported == 0xFF)
681 		return TRUE;
682 	else
683 		do
684 		{
685 			if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
686 								   MV_ATA_SET_FEATURES_TRANSFER,
687 								   pChannelInfo->maxUltraDmaModeSupported,
688 								   0, 0, 0) == MV_FALSE)
689 			{
690 				if (pChannelInfo->maxUltraDmaModeSupported > MV_ATA_TRANSFER_UDMA_0)
691 				{
692 					if (mvStorageDevATASoftResetDevice(pMvSataAdapter, channelNum) == MV_FALSE)
693 					{
694 						MV_REG_WRITE_BYTE(pMvSataAdapter->adapterIoBaseAddress,
695 										  pMvSataChannel->eDmaRegsOffset +
696 										  0x11c, /* command reg */
697 										  MV_ATA_COMMAND_IDLE_IMMEDIATE);
698 						mvMicroSecondsDelay(10000);
699 						mvSataChannelHardReset(pMvSataAdapter, channelNum);
700 						if (mvStorageDevATASoftResetDevice(pMvSataAdapter, channelNum) == MV_FALSE)
701 							return FALSE;
702 					}
703 					if (mvSataChannelHardReset(pMvSataAdapter, channelNum) == MV_FALSE)
704 						return FALSE;
705 					pChannelInfo->maxUltraDmaModeSupported--;
706 					continue;
707 				}
708 				else   return FALSE;
709 			}
710 			break;
711 		}while (1);
712 
713 	/* Read look ahead */
714 #ifdef ENABLE_READ_AHEAD
715 	if (pMvSataChannel->identifyDevice[82] & 0x40)
716 	{
717 		if (!(pMvSataChannel->identifyDevice[85] & 0x40)) /* if not enabled by default */
718 		{
719 			if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
720 										   MV_ATA_SET_FEATURES_ENABLE_RLA, 0, 0,
721 										   0, 0) == MV_FALSE)
722 			{
723 				MV_ERROR("RR18xx [%d] channel %d: Set Features failed\n",
724 						 pMvSataAdapter->adapterId, channelNum);
725 				return -1;
726 			}
727 		}
728 		KdPrint(("RR18xx [%d]: channel=%d, read look ahead enabled\n",
729 				  pMvSataAdapter->adapterId, channelNum));
730 	}
731 	else
732 	{
733 		KdPrint(("RR18xx [%d]: channel %d, Read Look Ahead not supported\n",
734 				  pMvSataAdapter->adapterId, channelNum));
735 	}
736 #else
737 	{
738 		if (pMvSataChannel->identifyDevice[86] & 0x20)
739 		{
740 			KdPrint(("RR18xx [%d]:channel %d, disable read look ahead\n",
741 					  pMvSataAdapter->adapterId, channelNum));
742 			if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
743 										   MV_ATA_SET_FEATURES_DISABLE_RLA, 0, 0,
744 										   0, 0) == MV_FALSE)
745 			{
746 				MV_ERROR("RR18xx [%d]:channel %d:  ATA Set Features failed\n",
747 						 pMvSataAdapter->adapterId, channelNum);
748 				return -1;
749 			}
750 		}
751 		KdPrint(("RR18xx [%d]:channel %d, read look ahead disabled\n",
752 				  pMvSataAdapter->adapterId, channelNum));
753 	}
754 #endif
755 
756 
757 	{
758 		KdPrint(("RR18xx [%d]: channel %d config EDMA, Non Queued Mode\n",
759 				  pMvSataAdapter->adapterId,
760 				  channelNum));
761 		if (mvSataConfigEdmaMode(pMvSataAdapter, channelNum,
762 								 MV_EDMA_MODE_NOT_QUEUED, 0) == MV_FALSE)
763 		{
764 			MV_ERROR("RR18xx [%d] channel %d Error: mvSataConfigEdmaMode failed\n",
765 					 pMvSataAdapter->adapterId, channelNum);
766 			return -1;
767 		}
768 	}
769 	/* Enable EDMA */
770 	if (mvSataEnableChannelDma(pMvSataAdapter, channelNum) == MV_FALSE)
771 	{
772 		MV_ERROR("RR18xx [%d] Failed to enable DMA, channel=%d\n",
773 				 pMvSataAdapter->adapterId, channelNum);
774 		return -1;
775 	}
776 	MV_ERROR("RR18xx [%d,%d]: channel started successfully\n",
777 			 pMvSataAdapter->adapterId, channelNum);
778 
779 #ifndef FOR_DEMO
780 	set_fail_led(pMvSataAdapter, channelNum, 0);
781 #endif
782 	return 0;
783 }
784 
785 static void
786 hptmv_handle_event(void * data, int flag)
787 {
788 	IAL_ADAPTER_T   *pAdapter = (IAL_ADAPTER_T *)data;
789 	MV_SATA_ADAPTER *pMvSataAdapter = &pAdapter->mvSataAdapter;
790 	MV_U8           channelIndex;
791 
792 /*	mvOsSemTake(&pMvSataAdapter->semaphore); */
793 	for (channelIndex = 0; channelIndex < MV_SATA_CHANNELS_NUM; channelIndex++)
794 	{
795 		switch(pAdapter->sataEvents[channelIndex])
796 		{
797 			case SATA_EVENT_CHANNEL_CONNECTED:
798 				/* Handle only connects */
799 				if (flag == 1)
800 					break;
801 				KdPrint(("RR18xx [%d,%d]: new device connected\n",
802 						 pMvSataAdapter->adapterId, channelIndex));
803 				hptmv_init_channel(pAdapter, channelIndex);
804 				if (mvSataConfigureChannel( pMvSataAdapter, channelIndex) == MV_FALSE)
805 				{
806 					MV_ERROR("RR18xx [%d,%d] Failed to configure\n",
807 							 pMvSataAdapter->adapterId, channelIndex);
808 					hptmv_free_channel(pAdapter, channelIndex);
809 				}
810 				else
811 				{
812 					/*mvSataChannelHardReset(pMvSataAdapter, channel);*/
813 					if (start_channel( pAdapter, channelIndex))
814 					{
815 						MV_ERROR("RR18xx [%d,%d]Failed to start channel\n",
816 								 pMvSataAdapter->adapterId, channelIndex);
817 						hptmv_free_channel(pAdapter, channelIndex);
818 					}
819 					else
820 					{
821 						device_change(pAdapter, channelIndex, TRUE);
822 					}
823 				}
824 				pAdapter->sataEvents[channelIndex] = SATA_EVENT_NO_CHANGE;
825 			   break;
826 
827 			case SATA_EVENT_CHANNEL_DISCONNECTED:
828 				/* Handle only disconnects */
829 				if (flag == 0)
830 					break;
831 				KdPrint(("RR18xx [%d,%d]: device disconnected\n",
832 						 pMvSataAdapter->adapterId, channelIndex));
833 					/* Flush pending commands */
834 				if(pMvSataAdapter->sataChannel[channelIndex])
835 				{
836 					_VBUS_INST(&pAdapter->VBus)
837 					mvSataFlushDmaQueue (pMvSataAdapter, channelIndex,
838 										 MV_FLUSH_TYPE_CALLBACK);
839 					CheckPendingCall(_VBUS_P0);
840 					mvSataRemoveChannel(pMvSataAdapter,channelIndex);
841 					hptmv_free_channel(pAdapter, channelIndex);
842 					pMvSataAdapter->sataChannel[channelIndex] = NULL;
843 					KdPrint(("RR18xx [%d,%d]: channel removed\n",
844 						 pMvSataAdapter->adapterId, channelIndex));
845 					if (pAdapter->outstandingCommands==0 && DPC_Request_Nums==0)
846 						Check_Idle_Call(pAdapter);
847 				}
848 				else
849 				{
850 					KdPrint(("RR18xx [%d,%d]: channel already removed!!\n",
851 							 pMvSataAdapter->adapterId, channelIndex));
852 				}
853 				pAdapter->sataEvents[channelIndex] = SATA_EVENT_NO_CHANGE;
854 				break;
855 
856 			case SATA_EVENT_NO_CHANGE:
857 				break;
858 
859 			default:
860 				break;
861 		}
862 	}
863 /*	mvOsSemRelease(&pMvSataAdapter->semaphore); */
864 }
865 
866 #define EVENT_CONNECT					1
867 #define EVENT_DISCONNECT				0
868 
869 static void
870 hptmv_handle_event_connect(void *data)
871 {
872   hptmv_handle_event (data, 0);
873 }
874 
875 static void
876 hptmv_handle_event_disconnect(void *data)
877 {
878   hptmv_handle_event (data, 1);
879 }
880 
881 static MV_BOOLEAN
882 hptmv_event_notify(MV_SATA_ADAPTER *pMvSataAdapter, MV_EVENT_TYPE eventType,
883 								   MV_U32 param1, MV_U32 param2)
884 {
885 	IAL_ADAPTER_T   *pAdapter = pMvSataAdapter->IALData;
886 
887 	switch (eventType)
888 	{
889 		case MV_EVENT_TYPE_SATA_CABLE:
890 			{
891 				MV_U8   channel = param2;
892 
893 				if (param1 == EVENT_CONNECT)
894 				{
895 					pAdapter->sataEvents[channel] = SATA_EVENT_CHANNEL_CONNECTED;
896 					KdPrint(("RR18xx [%d,%d]: device connected event received\n",
897 							 pMvSataAdapter->adapterId, channel));
898 					/* Delete previous timers (if multiple drives connected in the same time */
899 					pAdapter->event_timer_connect = timeout(hptmv_handle_event_connect, pAdapter, 10*hz);
900 				}
901 				else if (param1 == EVENT_DISCONNECT)
902 				{
903 					pAdapter->sataEvents[channel] = SATA_EVENT_CHANNEL_DISCONNECTED;
904 					KdPrint(("RR18xx [%d,%d]: device disconnected event received \n",
905 							 pMvSataAdapter->adapterId, channel));
906 					device_change(pAdapter, channel, FALSE);
907 					/* Delete previous timers (if multiple drives disconnected in the same time */
908 					/*pAdapter->event_timer_disconnect = timeout(hptmv_handle_event_disconnect, pAdapter, 10*hz); */
909 					/*It is not necessary to wait, handle it directly*/
910 					hptmv_handle_event_disconnect(pAdapter);
911 				}
912 				else
913 				{
914 
915 					MV_ERROR("RR18xx: illigal value for param1(%d) at "
916 							 "connect/disconect event, host=%d\n", param1,
917 							 pMvSataAdapter->adapterId );
918 
919 				}
920 			}
921 			break;
922 		case MV_EVENT_TYPE_ADAPTER_ERROR:
923 			KdPrint(("RR18xx: DEVICE error event received, pci cause "
924 					  "reg=%x,  don't how to handle this\n", param1));
925 			return MV_TRUE;
926 		default:
927 			MV_ERROR("RR18xx[%d]: unknown event type (%d)\n",
928 					 pMvSataAdapter->adapterId, eventType);
929 			return MV_FALSE;
930 	}
931 	return MV_TRUE;
932 }
933 
934 static int
935 hptmv_allocate_edma_queues(IAL_ADAPTER_T *pAdapter)
936 {
937 	pAdapter->requestsArrayBaseAddr = (MV_U8 *)contigmalloc(REQUESTS_ARRAY_SIZE,
938 			M_DEVBUF, M_NOWAIT, 0, 0xffffffff, PAGE_SIZE, 0ul);
939 	if (pAdapter->requestsArrayBaseAddr == NULL)
940 	{
941 		MV_ERROR("RR18xx[%d]: Failed to allocate memory for EDMA request"
942 				 " queues\n", pAdapter->mvSataAdapter.adapterId);
943 		return -1;
944 	}
945 	pAdapter->requestsArrayBaseDmaAddr = fOsPhysicalAddress(pAdapter->requestsArrayBaseAddr);
946 	pAdapter->requestsArrayBaseAlignedAddr = pAdapter->requestsArrayBaseAddr;
947 	pAdapter->requestsArrayBaseAlignedAddr += MV_EDMA_REQUEST_QUEUE_SIZE;
948 	pAdapter->requestsArrayBaseAlignedAddr  = (MV_U8 *)
949 		(((ULONG_PTR)pAdapter->requestsArrayBaseAlignedAddr) & ~(ULONG_PTR)(MV_EDMA_REQUEST_QUEUE_SIZE - 1));
950 	pAdapter->requestsArrayBaseDmaAlignedAddr = pAdapter->requestsArrayBaseDmaAddr;
951 	pAdapter->requestsArrayBaseDmaAlignedAddr += MV_EDMA_REQUEST_QUEUE_SIZE;
952 	pAdapter->requestsArrayBaseDmaAlignedAddr &= ~(ULONG_PTR)(MV_EDMA_REQUEST_QUEUE_SIZE - 1);
953 
954 	if ((pAdapter->requestsArrayBaseDmaAlignedAddr - pAdapter->requestsArrayBaseDmaAddr) !=
955 		(pAdapter->requestsArrayBaseAlignedAddr - pAdapter->requestsArrayBaseAddr))
956 	{
957 		MV_ERROR("RR18xx[%d]: Error in Request Quueues Alignment\n",
958 				 pAdapter->mvSataAdapter.adapterId);
959 		contigfree(pAdapter->requestsArrayBaseAddr, REQUESTS_ARRAY_SIZE, M_DEVBUF);
960 		return -1;
961 	}
962 	/* response queues */
963 	pAdapter->responsesArrayBaseAddr = (MV_U8 *)contigmalloc(RESPONSES_ARRAY_SIZE,
964 			M_DEVBUF, M_NOWAIT, 0, 0xffffffff, PAGE_SIZE, 0ul);
965 	if (pAdapter->responsesArrayBaseAddr == NULL)
966 	{
967 		MV_ERROR("RR18xx[%d]: Failed to allocate memory for EDMA response"
968 				 " queues\n", pAdapter->mvSataAdapter.adapterId);
969 		contigfree(pAdapter->requestsArrayBaseAddr, RESPONSES_ARRAY_SIZE, M_DEVBUF);
970 		return -1;
971 	}
972 	pAdapter->responsesArrayBaseDmaAddr = fOsPhysicalAddress(pAdapter->responsesArrayBaseAddr);
973 	pAdapter->responsesArrayBaseAlignedAddr = pAdapter->responsesArrayBaseAddr;
974 	pAdapter->responsesArrayBaseAlignedAddr += MV_EDMA_RESPONSE_QUEUE_SIZE;
975 	pAdapter->responsesArrayBaseAlignedAddr  = (MV_U8 *)
976 		(((ULONG_PTR)pAdapter->responsesArrayBaseAlignedAddr) & ~(ULONG_PTR)(MV_EDMA_RESPONSE_QUEUE_SIZE - 1));
977 	pAdapter->responsesArrayBaseDmaAlignedAddr = pAdapter->responsesArrayBaseDmaAddr;
978 	pAdapter->responsesArrayBaseDmaAlignedAddr += MV_EDMA_RESPONSE_QUEUE_SIZE;
979 	pAdapter->responsesArrayBaseDmaAlignedAddr &= ~(ULONG_PTR)(MV_EDMA_RESPONSE_QUEUE_SIZE - 1);
980 
981 	if ((pAdapter->responsesArrayBaseDmaAlignedAddr - pAdapter->responsesArrayBaseDmaAddr) !=
982 		(pAdapter->responsesArrayBaseAlignedAddr - pAdapter->responsesArrayBaseAddr))
983 	{
984 		MV_ERROR("RR18xx[%d]: Error in Response Quueues Alignment\n",
985 				 pAdapter->mvSataAdapter.adapterId);
986 		contigfree(pAdapter->requestsArrayBaseAddr, REQUESTS_ARRAY_SIZE, M_DEVBUF);
987 		contigfree(pAdapter->responsesArrayBaseAddr, RESPONSES_ARRAY_SIZE, M_DEVBUF);
988 		return -1;
989 	}
990 	return 0;
991 }
992 
993 static void
994 hptmv_free_edma_queues(IAL_ADAPTER_T *pAdapter)
995 {
996 	contigfree(pAdapter->requestsArrayBaseAddr, REQUESTS_ARRAY_SIZE, M_DEVBUF);
997 	contigfree(pAdapter->responsesArrayBaseAddr, RESPONSES_ARRAY_SIZE, M_DEVBUF);
998 }
999 
1000 static PVOID
1001 AllocatePRDTable(IAL_ADAPTER_T *pAdapter)
1002 {
1003 	PVOID ret;
1004 	if (pAdapter->pFreePRDLink) {
1005 		KdPrint(("pAdapter->pFreePRDLink:%p\n",pAdapter->pFreePRDLink));
1006 		ret = pAdapter->pFreePRDLink;
1007 		pAdapter->pFreePRDLink = *(void**)ret;
1008 		return ret;
1009 	}
1010 	return NULL;
1011 }
1012 
1013 static void
1014 FreePRDTable(IAL_ADAPTER_T *pAdapter, PVOID PRDTable)
1015 {
1016 	*(void**)PRDTable = pAdapter->pFreePRDLink;
1017 	pAdapter->pFreePRDLink = PRDTable;
1018 }
1019 
1020 extern PVDevice fGetFirstChild(PVDevice pLogical);
1021 extern void fResetBootMark(PVDevice pLogical);
1022 static void
1023 fRegisterVdevice(IAL_ADAPTER_T *pAdapter)
1024 {
1025 	PVDevice pPhysical, pLogical;
1026 	PVBus  pVBus;
1027 	int i,j;
1028 
1029 	for(i=0;i<MV_SATA_CHANNELS_NUM;i++) {
1030 		pPhysical = &(pAdapter->VDevices[i]);
1031 		pLogical = pPhysical;
1032 		while (pLogical->pParent) pLogical = pLogical->pParent;
1033 		if (pLogical->vf_online==0) {
1034 			pPhysical->vf_bootmark = pLogical->vf_bootmark = 0;
1035 			continue;
1036 		}
1037 		if (pLogical->VDeviceType==VD_SPARE || pPhysical!=fGetFirstChild(pLogical))
1038 			continue;
1039 
1040 		pVBus = &pAdapter->VBus;
1041 		if(pVBus)
1042 		{
1043 			j=0;
1044 			while(j<MAX_VDEVICE_PER_VBUS && pVBus->pVDevice[j]) j++;
1045 			if(j<MAX_VDEVICE_PER_VBUS){
1046 				pVBus->pVDevice[j] = pLogical;
1047 				pLogical->pVBus = pVBus;
1048 
1049 				if (j>0 && pLogical->vf_bootmark) {
1050 					if (pVBus->pVDevice[0]->vf_bootmark) {
1051 						fResetBootMark(pLogical);
1052 					}
1053 					else {
1054 						do { pVBus->pVDevice[j] = pVBus->pVDevice[j-1]; } while (--j);
1055 						pVBus->pVDevice[0] = pLogical;
1056 					}
1057 				}
1058 			}
1059 		}
1060 	}
1061 }
1062 
1063 PVDevice
1064 GetSpareDisk(_VBUS_ARG PVDevice pArray)
1065 {
1066 	IAL_ADAPTER_T *pAdapter = (IAL_ADAPTER_T *)pArray->pVBus->OsExt;
1067 	LBA_T capacity = LongDiv(pArray->VDeviceCapacity, pArray->u.array.bArnMember-1);
1068 	LBA_T thiscap, maxcap = MAX_LBA_T;
1069 	PVDevice pVDevice, pFind = NULL;
1070 	int i;
1071 
1072 	for(i=0;i<MV_SATA_CHANNELS_NUM;i++)
1073 	{
1074 		pVDevice = &pAdapter->VDevices[i];
1075 		if(!pVDevice)
1076 			continue;
1077 		thiscap = pArray->vf_format_v2? pVDevice->u.disk.dDeRealCapacity : pVDevice->VDeviceCapacity;
1078 		/* find the smallest usable spare disk */
1079 		if (pVDevice->VDeviceType==VD_SPARE &&
1080 			pVDevice->u.disk.df_on_line &&
1081 			thiscap < maxcap &&
1082 			thiscap >= capacity)
1083 		{
1084 				maxcap = pVDevice->VDeviceCapacity;
1085 				pFind = pVDevice;
1086 		}
1087 	}
1088 	return pFind;
1089 }
1090 
1091 /******************************************************************
1092  * IO ATA Command
1093  *******************************************************************/
1094 int HPTLIBAPI
1095 fDeReadWrite(PDevice pDev, ULONG Lba, UCHAR Cmd, void *tmpBuffer)
1096 {
1097 	return mvReadWrite(pDev->mv, Lba, Cmd, tmpBuffer);
1098 }
1099 
1100 void HPTLIBAPI fDeSelectMode(PDevice pDev, UCHAR NewMode)
1101 {
1102 	MV_SATA_CHANNEL *pSataChannel = pDev->mv;
1103 	MV_SATA_ADAPTER *pSataAdapter = pSataChannel->mvSataAdapter;
1104 	MV_U8 channelIndex = pSataChannel->channelNumber;
1105 	UCHAR mvMode;
1106 	/* 508x don't use MW-DMA? */
1107 	if (NewMode>4 && NewMode<8) NewMode = 4;
1108 	pDev->bDeModeSetting = NewMode;
1109 	if (NewMode<=4)
1110 		mvMode = MV_ATA_TRANSFER_PIO_0 + NewMode;
1111 	else
1112 		mvMode = MV_ATA_TRANSFER_UDMA_0 + (NewMode-8);
1113 
1114 	/*To fix 88i8030 bug*/
1115 	if (mvMode > MV_ATA_TRANSFER_UDMA_0 && mvMode < MV_ATA_TRANSFER_UDMA_4)
1116 		mvMode = MV_ATA_TRANSFER_UDMA_0;
1117 
1118 	mvSataDisableChannelDma(pSataAdapter, channelIndex);
1119 	/* Flush pending commands */
1120 	mvSataFlushDmaQueue (pSataAdapter, channelIndex, MV_FLUSH_TYPE_NONE);
1121 
1122 	if (mvStorageDevATASetFeatures(pSataAdapter, channelIndex,
1123 								   MV_ATA_SET_FEATURES_TRANSFER,
1124 								   mvMode, 0, 0, 0) == MV_FALSE)
1125 	{
1126 		KdPrint(("channel %d: Set Features failed\n", channelIndex));
1127 	}
1128 	/* Enable EDMA */
1129 	if (mvSataEnableChannelDma(pSataAdapter, channelIndex) == MV_FALSE)
1130 		KdPrint(("Failed to enable DMA, channel=%d", channelIndex));
1131 }
1132 
1133 int HPTLIBAPI fDeSetTCQ(PDevice pDev, int enable, int depth)
1134 {
1135 	MV_SATA_CHANNEL *pSataChannel = pDev->mv;
1136 	MV_SATA_ADAPTER *pSataAdapter = pSataChannel->mvSataAdapter;
1137 	MV_U8 channelIndex = pSataChannel->channelNumber;
1138 	IAL_ADAPTER_T *pAdapter = pSataAdapter->IALData;
1139 	MV_CHANNEL		*channelInfo = &(pAdapter->mvChannel[channelIndex]);
1140 	int dmaActive = pSataChannel->queueCommandsEnabled;
1141 	int ret = 0;
1142 
1143 	if (dmaActive) {
1144 		mvSataDisableChannelDma(pSataAdapter, channelIndex);
1145 		mvSataFlushDmaQueue(pSataAdapter,channelIndex,MV_FLUSH_TYPE_CALLBACK);
1146 	}
1147 
1148 	if (enable) {
1149 		if (pSataChannel->queuedDMA == MV_EDMA_MODE_NOT_QUEUED &&
1150 			(pSataChannel->identifyDevice[IDEN_SUPPORTED_COMMANDS2] & (0x2))) {
1151 			UCHAR depth = ((pSataChannel->identifyDevice[IDEN_QUEUE_DEPTH]) & 0x1f) + 1;
1152 			channelInfo->queueDepth = (depth==32)? 31 : depth;
1153 			mvSataConfigEdmaMode(pSataAdapter, channelIndex, MV_EDMA_MODE_QUEUED, depth);
1154 			ret = 1;
1155 		}
1156 	}
1157 	else
1158 	{
1159 		if (pSataChannel->queuedDMA != MV_EDMA_MODE_NOT_QUEUED) {
1160 			channelInfo->queueDepth = 2;
1161 			mvSataConfigEdmaMode(pSataAdapter, channelIndex, MV_EDMA_MODE_NOT_QUEUED, 0);
1162 			ret = 1;
1163 		}
1164 	}
1165 
1166 	if (dmaActive)
1167 		mvSataEnableChannelDma(pSataAdapter,channelIndex);
1168 	return ret;
1169 }
1170 
1171 int HPTLIBAPI fDeSetNCQ(PDevice pDev, int enable, int depth)
1172 {
1173 	return 0;
1174 }
1175 
1176 int HPTLIBAPI fDeSetWriteCache(PDevice pDev, int enable)
1177 {
1178 	MV_SATA_CHANNEL *pSataChannel = pDev->mv;
1179 	MV_SATA_ADAPTER *pSataAdapter = pSataChannel->mvSataAdapter;
1180 	MV_U8 channelIndex = pSataChannel->channelNumber;
1181 	IAL_ADAPTER_T *pAdapter = pSataAdapter->IALData;
1182 	MV_CHANNEL		*channelInfo = &(pAdapter->mvChannel[channelIndex]);
1183 	int dmaActive = pSataChannel->queueCommandsEnabled;
1184 	int ret = 0;
1185 
1186 	if (dmaActive) {
1187 		mvSataDisableChannelDma(pSataAdapter, channelIndex);
1188 		mvSataFlushDmaQueue(pSataAdapter,channelIndex,MV_FLUSH_TYPE_CALLBACK);
1189 	}
1190 
1191 	if ((pSataChannel->identifyDevice[82] & (0x20))) {
1192 		if (enable) {
1193 			if (mvStorageDevATASetFeatures(pSataAdapter, channelIndex,
1194 				MV_ATA_SET_FEATURES_ENABLE_WCACHE, 0, 0, 0, 0))
1195 			{
1196 				channelInfo->writeCacheEnabled = MV_TRUE;
1197 				ret = 1;
1198 			}
1199 		}
1200 		else {
1201 			if (mvStorageDevATASetFeatures(pSataAdapter, channelIndex,
1202 				MV_ATA_SET_FEATURES_DISABLE_WCACHE, 0, 0, 0, 0))
1203 			{
1204 				channelInfo->writeCacheEnabled = MV_FALSE;
1205 				ret = 1;
1206 			}
1207 		}
1208 	}
1209 
1210 	if (dmaActive)
1211 		mvSataEnableChannelDma(pSataAdapter,channelIndex);
1212 	return ret;
1213 }
1214 
1215 int HPTLIBAPI fDeSetReadAhead(PDevice pDev, int enable)
1216 {
1217 	MV_SATA_CHANNEL *pSataChannel = pDev->mv;
1218 	MV_SATA_ADAPTER *pSataAdapter = pSataChannel->mvSataAdapter;
1219 	MV_U8 channelIndex = pSataChannel->channelNumber;
1220 	IAL_ADAPTER_T *pAdapter = pSataAdapter->IALData;
1221 	MV_CHANNEL		*channelInfo = &(pAdapter->mvChannel[channelIndex]);
1222 	int dmaActive = pSataChannel->queueCommandsEnabled;
1223 	int ret = 0;
1224 
1225 	if (dmaActive) {
1226 		mvSataDisableChannelDma(pSataAdapter, channelIndex);
1227 		mvSataFlushDmaQueue(pSataAdapter,channelIndex,MV_FLUSH_TYPE_CALLBACK);
1228 	}
1229 
1230 	if ((pSataChannel->identifyDevice[82] & (0x40))) {
1231 		if (enable) {
1232 			if (mvStorageDevATASetFeatures(pSataAdapter, channelIndex,
1233 				MV_ATA_SET_FEATURES_ENABLE_RLA, 0, 0, 0, 0))
1234 			{
1235 				channelInfo->readAheadEnabled = MV_TRUE;
1236 				ret = 1;
1237 			}
1238 		}
1239 		else {
1240 			if (mvStorageDevATASetFeatures(pSataAdapter, channelIndex,
1241 				MV_ATA_SET_FEATURES_DISABLE_RLA, 0, 0, 0, 0))
1242 			{
1243 				channelInfo->readAheadEnabled = MV_FALSE;
1244 				ret = 1;
1245 			}
1246 		}
1247 	}
1248 
1249 	if (dmaActive)
1250 		mvSataEnableChannelDma(pSataAdapter,channelIndex);
1251 	return ret;
1252 }
1253 
1254 #ifdef SUPPORT_ARRAY
1255 #define IdeRegisterVDevice  fCheckArray
1256 #else
1257 void
1258 IdeRegisterVDevice(PDevice pDev)
1259 {
1260 	PVDevice pVDev = Map2pVDevice(pDev);
1261 
1262 	pVDev->VDeviceType = pDev->df_atapi? VD_ATAPI :
1263 						 pDev->df_removable_drive? VD_REMOVABLE : VD_SINGLE_DISK;
1264 	pVDev->vf_online = 1;
1265 	pVDev->VDeviceCapacity = pDev->dDeRealCapacity;
1266 	pVDev->pfnSendCommand = pfnSendCommand[pVDev->VDeviceType];
1267 	pVDev->pfnDeviceFailed = pfnDeviceFailed[pVDev->VDeviceType];
1268 }
1269 #endif
1270 
1271 static __inline PBUS_DMAMAP
1272 dmamap_get(struct IALAdapter * pAdapter)
1273 {
1274 	PBUS_DMAMAP	p = pAdapter->pbus_dmamap_list;
1275 	if (p)
1276 		pAdapter->pbus_dmamap_list = p-> next;
1277 	return p;
1278 }
1279 
1280 static __inline void
1281 dmamap_put(PBUS_DMAMAP p)
1282 {
1283 	p->next = p->pAdapter->pbus_dmamap_list;
1284 	p->pAdapter->pbus_dmamap_list = p;
1285 }
1286 
1287 /*Since mtx not provide the initialize when declare, so we Final init here to initialize the global mtx*/
1288 #if __FreeBSD_version >= 500000
1289 #define override_kernel_driver()
1290 
1291 static void hpt_init(void *dummy)
1292 {
1293 	override_kernel_driver();
1294 	mtx_init(&driver_lock, "hptsleeplock", NULL, MTX_DEF);
1295 }
1296 SYSINIT(hptinit, SI_SUB_CONFIGURE, SI_ORDER_FIRST, hpt_init, NULL);
1297 #endif
1298 
1299 static int num_adapters = 0;
1300 static int
1301 init_adapter(IAL_ADAPTER_T *pAdapter)
1302 {
1303 	PVBus _vbus_p = &pAdapter->VBus;
1304 	MV_SATA_ADAPTER *pMvSataAdapter;
1305 	int i, channel, rid;
1306 
1307 	PVDevice pVDev;
1308 
1309 	intrmask_t oldspl = lock_driver();
1310 
1311 	pAdapter->next = 0;
1312 
1313 	if(gIal_Adapter == 0){
1314 		gIal_Adapter = pAdapter;
1315 		pCurAdapter = gIal_Adapter;
1316 	}
1317 	else {
1318 		pCurAdapter->next = pAdapter;
1319 		pCurAdapter = pAdapter;
1320 	}
1321 
1322 	pAdapter->outstandingCommands = 0;
1323 
1324 	pMvSataAdapter = &(pAdapter->mvSataAdapter);
1325 	_vbus_p->OsExt = (void *)pAdapter;
1326 	pMvSataAdapter->IALData = pAdapter;
1327 
1328 	if (bus_dma_tag_create(NULL,/* parent */
1329 			4,	/* alignment */
1330 			BUS_SPACE_MAXADDR_32BIT+1, /* boundary */
1331 			BUS_SPACE_MAXADDR,	/* lowaddr */
1332 			BUS_SPACE_MAXADDR,	/* highaddr */
1333 			NULL, NULL, 		/* filter, filterarg */
1334 			PAGE_SIZE * (MAX_SG_DESCRIPTORS-1), /* maxsize */
1335 			MAX_SG_DESCRIPTORS, /* nsegments */
1336 			0x10000,	/* maxsegsize */
1337 			BUS_DMA_WAITOK, 	/* flags */
1338 #if __FreeBSD_version>502000
1339 			busdma_lock_mutex,	/* lockfunc */
1340 			&driver_lock,		/* lockfuncarg */
1341 #endif
1342 			&pAdapter->io_dma_parent /* tag */))
1343 		{
1344 			return ENXIO;
1345 	}
1346 
1347 
1348 	if (hptmv_allocate_edma_queues(pAdapter))
1349 	{
1350 		MV_ERROR("RR18xx: Failed to allocate memory for EDMA queues\n");
1351 		unlock_driver(oldspl);
1352 		return ENOMEM;
1353 	}
1354 
1355 	/* also map EPROM address */
1356 	rid = 0x10;
1357 	if (!(pAdapter->mem_res = bus_alloc_resource(pAdapter->hpt_dev, SYS_RES_MEMORY, &rid,
1358 			0, ~0, MV_SATA_PCI_BAR0_SPACE_SIZE+0x40000, RF_ACTIVE))
1359 		||
1360 		!(pMvSataAdapter->adapterIoBaseAddress = rman_get_virtual(pAdapter->mem_res)))
1361 	{
1362 		MV_ERROR("RR18xx: Failed to remap memory space\n");
1363 		hptmv_free_edma_queues(pAdapter);
1364 		unlock_driver(oldspl);
1365 		return ENXIO;
1366 	}
1367 	else
1368 	{
1369 		KdPrint(("RR18xx: io base address 0x%p\n", pMvSataAdapter->adapterIoBaseAddress));
1370 	}
1371 
1372 	pMvSataAdapter->adapterId = num_adapters++;
1373 	/* get the revision ID */
1374 	pMvSataAdapter->pciConfigRevisionId = pci_read_config(pAdapter->hpt_dev, PCIR_REVID, 1);
1375 	pMvSataAdapter->pciConfigDeviceId = pci_get_device(pAdapter->hpt_dev);
1376 
1377 	/* init RR18xx */
1378 	pMvSataAdapter->intCoalThre[0]= 1;
1379 	pMvSataAdapter->intCoalThre[1]= 1;
1380 	pMvSataAdapter->intTimeThre[0] = 1;
1381 	pMvSataAdapter->intTimeThre[1] = 1;
1382 	pMvSataAdapter->pciCommand = 0x0107E371;
1383 	pMvSataAdapter->pciSerrMask = 0xd77fe6ul;
1384 	pMvSataAdapter->pciInterruptMask = 0xd77fe6ul;
1385 	pMvSataAdapter->mvSataEventNotify = hptmv_event_notify;
1386 
1387 	if (mvSataInitAdapter(pMvSataAdapter) == MV_FALSE)
1388 	{
1389 		MV_ERROR("RR18xx[%d]: core failed to initialize the adapter\n",
1390 				 pMvSataAdapter->adapterId);
1391 unregister:
1392 		bus_release_resource(pAdapter->hpt_dev, SYS_RES_MEMORY, rid, pAdapter->mem_res);
1393 		hptmv_free_edma_queues(pAdapter);
1394 		unlock_driver(oldspl);
1395 		return ENXIO;
1396 	}
1397 	pAdapter->ver_601 = pMvSataAdapter->pcbVersion;
1398 
1399 #ifndef FOR_DEMO
1400 	set_fail_leds(pMvSataAdapter, 0);
1401 #endif
1402 
1403 	/* setup command blocks */
1404 	KdPrint(("Allocate command blocks\n"));
1405 	_vbus_(pFreeCommands) = 0;
1406 	pAdapter->pCommandBlocks =
1407 		malloc(sizeof(struct _Command) * MAX_COMMAND_BLOCKS_FOR_EACH_VBUS, M_DEVBUF, M_NOWAIT);
1408 	KdPrint(("pCommandBlocks:%p\n",pAdapter->pCommandBlocks));
1409 	if (!pAdapter->pCommandBlocks) {
1410 		MV_ERROR("insufficient memory\n");
1411 		goto unregister;
1412 	}
1413 
1414 	for (i=0; i<MAX_COMMAND_BLOCKS_FOR_EACH_VBUS; i++) {
1415 		FreeCommand(_VBUS_P &(pAdapter->pCommandBlocks[i]));
1416 	}
1417 
1418 	/*Set up the bus_dmamap*/
1419 	pAdapter->pbus_dmamap = (PBUS_DMAMAP)malloc (sizeof(struct _BUS_DMAMAP) * MAX_QUEUE_COMM, M_DEVBUF, M_NOWAIT);
1420 	if(!pAdapter->pbus_dmamap) {
1421 		MV_ERROR("insufficient memory\n");
1422 		free(pAdapter->pCommandBlocks, M_DEVBUF);
1423 		goto unregister;
1424 	}
1425 
1426 	memset((void *)pAdapter->pbus_dmamap, 0, sizeof(struct _BUS_DMAMAP) * MAX_QUEUE_COMM);
1427 	pAdapter->pbus_dmamap_list = 0;
1428 	for (i=0; i < MAX_QUEUE_COMM; i++) {
1429 		PBUS_DMAMAP  pmap = &(pAdapter->pbus_dmamap[i]);
1430 		pmap->pAdapter = pAdapter;
1431 		dmamap_put(pmap);
1432 
1433 		if(bus_dmamap_create(pAdapter->io_dma_parent, 0, &pmap->dma_map)) {
1434 			MV_ERROR("Can not allocate dma map\n");
1435 			free(pAdapter->pCommandBlocks, M_DEVBUF);
1436 			free(pAdapter->pbus_dmamap, M_DEVBUF);
1437 			goto unregister;
1438 		}
1439 	}
1440 	/* setup PRD Tables */
1441 	KdPrint(("Allocate PRD Tables\n"));
1442 	pAdapter->pFreePRDLink = 0;
1443 
1444 	pAdapter->prdTableAddr = (PUCHAR)contigmalloc(
1445 		(PRD_ENTRIES_SIZE*PRD_TABLES_FOR_VBUS + 32), M_DEVBUF, M_NOWAIT, 0, 0xffffffff, PAGE_SIZE, 0ul);
1446 
1447 	KdPrint(("prdTableAddr:%p\n",pAdapter->prdTableAddr));
1448 	if (!pAdapter->prdTableAddr) {
1449 		MV_ERROR("insufficient PRD Tables\n");
1450 		goto unregister;
1451 	}
1452 	pAdapter->prdTableAlignedAddr = (PUCHAR)(((ULONG_PTR)pAdapter->prdTableAddr + 0x1f) & ~(ULONG_PTR)0x1fL);
1453 	{
1454 		PUCHAR PRDTable = pAdapter->prdTableAlignedAddr;
1455 		for (i=0; i<PRD_TABLES_FOR_VBUS; i++)
1456 		{
1457 /*			KdPrint(("i=%d,pAdapter->pFreePRDLink=%p\n",i,pAdapter->pFreePRDLink)); */
1458 			FreePRDTable(pAdapter, PRDTable);
1459 			PRDTable += PRD_ENTRIES_SIZE;
1460 		}
1461 	}
1462 
1463 	/* enable the adapter interrupts */
1464 
1465 	/* configure and start the connected channels*/
1466 	for (channel = 0; channel < MV_SATA_CHANNELS_NUM; channel++)
1467 	{
1468 		pAdapter->mvChannel[channel].online = MV_FALSE;
1469 		if (mvSataIsStorageDeviceConnected(pMvSataAdapter, channel)
1470 			== MV_TRUE)
1471 		{
1472 			KdPrint(("RR18xx[%d]: channel %d is connected\n",
1473 					  pMvSataAdapter->adapterId, channel));
1474 
1475 			if (hptmv_init_channel(pAdapter, channel) == 0)
1476 			{
1477 				if (mvSataConfigureChannel(pMvSataAdapter, channel) == MV_FALSE)
1478 				{
1479 					MV_ERROR("RR18xx[%d]: Failed to configure channel"
1480 							 " %d\n",pMvSataAdapter->adapterId, channel);
1481 					hptmv_free_channel(pAdapter, channel);
1482 				}
1483 				else
1484 				{
1485 					if (start_channel(pAdapter, channel))
1486 					{
1487 						MV_ERROR("RR18xx[%d]: Failed to start channel,"
1488 								 " channel=%d\n",pMvSataAdapter->adapterId,
1489 								 channel);
1490 						hptmv_free_channel(pAdapter, channel);
1491 					}
1492 					pAdapter->mvChannel[channel].online = MV_TRUE;
1493 					/*  mvSataChannelSetEdmaLoopBackMode(pMvSataAdapter,
1494 													   channel,
1495 													   MV_TRUE);*/
1496 				}
1497 			}
1498 		}
1499 		KdPrint(("pAdapter->mvChannel[channel].online:%x, channel:%d\n",
1500 			pAdapter->mvChannel[channel].online, channel));
1501 	}
1502 
1503 #ifdef SUPPORT_ARRAY
1504 	for(i = MAX_ARRAY_DEVICE - 1; i >= 0; i--) {
1505 		pVDev = ArrayTables(i);
1506 		mArFreeArrayTable(pVDev);
1507 	}
1508 #endif
1509 
1510 	KdPrint(("Initialize Devices\n"));
1511 	for (channel = 0; channel < MV_SATA_CHANNELS_NUM; channel++) {
1512 		MV_SATA_CHANNEL *pMvSataChannel = pMvSataAdapter->sataChannel[channel];
1513 		if (pMvSataChannel) {
1514 			init_vdev_params(pAdapter, channel);
1515 			IdeRegisterVDevice(&pAdapter->VDevices[channel].u.disk);
1516 		}
1517 	}
1518 #ifdef SUPPORT_ARRAY
1519 	CheckArrayCritical(_VBUS_P0);
1520 #endif
1521 	_vbus_p->nInstances = 1;
1522 	fRegisterVdevice(pAdapter);
1523 
1524 	for (channel=0;channel<MV_SATA_CHANNELS_NUM;channel++) {
1525 		pVDev = _vbus_p->pVDevice[channel];
1526 		if (pVDev && pVDev->vf_online)
1527 			fCheckBootable(pVDev);
1528 	}
1529 
1530 #if defined(SUPPORT_ARRAY) && defined(_RAID5N_)
1531 	init_raid5_memory(_VBUS_P0);
1532 	_vbus_(r5).enable_write_back = 1;
1533 	printf("RR18xx: RAID5 write-back %s\n", _vbus_(r5).enable_write_back? "enabled" : "disabled");
1534 #endif
1535 
1536 	mvSataUnmaskAdapterInterrupt(pMvSataAdapter);
1537 	unlock_driver(oldspl);
1538 	return 0;
1539 }
1540 
1541 int
1542 MvSataResetChannel(MV_SATA_ADAPTER *pMvSataAdapter, MV_U8 channel)
1543 {
1544 	IAL_ADAPTER_T   *pAdapter = (IAL_ADAPTER_T *)pMvSataAdapter->IALData;
1545 
1546 	mvSataDisableChannelDma(pMvSataAdapter, channel);
1547 	/* Flush pending commands */
1548 	mvSataFlushDmaQueue (pMvSataAdapter, channel, MV_FLUSH_TYPE_CALLBACK);
1549 
1550 	/* Software reset channel */
1551 	if (mvStorageDevATASoftResetDevice(pMvSataAdapter, channel) == MV_FALSE)
1552 	{
1553 		MV_ERROR("RR18xx [%d,%d]: failed to perform Software reset\n",
1554 				 pMvSataAdapter->adapterId, channel);
1555 		hptmv_free_channel(pAdapter, channel);
1556 		return -1;
1557 	}
1558 
1559 	/* Hardware reset channel */
1560 	if (mvSataChannelHardReset(pMvSataAdapter, channel)== MV_FALSE)
1561 	{
1562 		MV_ERROR("RR18xx [%d,%d] Failed to Hard reser the SATA channel\n",
1563 				 pMvSataAdapter->adapterId, channel);
1564 		hptmv_free_channel(pAdapter, channel);
1565 		return -1;
1566 	}
1567 
1568 	if (mvSataIsStorageDeviceConnected(pMvSataAdapter, channel) == MV_FALSE)
1569 	{
1570 		 MV_ERROR("RR18xx [%d,%d] Failed to Connect Device\n",
1571 				 pMvSataAdapter->adapterId, channel);
1572 		hptmv_free_channel(pAdapter, channel);
1573 		return -1;
1574 	}else
1575 	{
1576 		MV_ERROR("channel %d: perform recalibrate command", channel);
1577 		if (!mvStorageDevATAExecuteNonUDMACommand(pMvSataAdapter, channel,
1578 								MV_NON_UDMA_PROTOCOL_NON_DATA,
1579 								MV_FALSE,
1580 								NULL,	 /* pBuffer*/
1581 								0,		 /* count  */
1582 								0,		/*features*/
1583 										/* sectorCount */
1584 								0,
1585 								0,	/* lbaLow */
1586 								0,	/* lbaMid */
1587 									/* lbaHigh */
1588 								0,
1589 								0,		/* device */
1590 										/* command */
1591 								0x10))
1592 			MV_ERROR("channel %d: recalibrate failed", channel);
1593 
1594 		/* Set transfer mode */
1595 		if((mvStorageDevATASetFeatures(pMvSataAdapter, channel,
1596 						MV_ATA_SET_FEATURES_TRANSFER,
1597 						MV_ATA_TRANSFER_PIO_SLOW, 0, 0, 0) == MV_FALSE) ||
1598 			(mvStorageDevATASetFeatures(pMvSataAdapter, channel,
1599 						MV_ATA_SET_FEATURES_TRANSFER,
1600 						pAdapter->mvChannel[channel].maxPioModeSupported, 0, 0, 0) == MV_FALSE) ||
1601 			(mvStorageDevATASetFeatures(pMvSataAdapter, channel,
1602 						MV_ATA_SET_FEATURES_TRANSFER,
1603 						pAdapter->mvChannel[channel].maxUltraDmaModeSupported, 0, 0, 0) == MV_FALSE) )
1604 		{
1605 			MV_ERROR("channel %d: Set Features failed", channel);
1606 			hptmv_free_channel(pAdapter, channel);
1607 			return -1;
1608 		}
1609 		/* Enable EDMA */
1610 		if (mvSataEnableChannelDma(pMvSataAdapter, channel) == MV_FALSE)
1611 		{
1612 			MV_ERROR("Failed to enable DMA, channel=%d", channel);
1613 			hptmv_free_channel(pAdapter, channel);
1614 			return -1;
1615 		}
1616 	}
1617 	return 0;
1618 }
1619 
1620 static int
1621 fResetActiveCommands(PVBus _vbus_p)
1622 {
1623 	MV_SATA_ADAPTER *pMvSataAdapter = &((IAL_ADAPTER_T *)_vbus_p->OsExt)->mvSataAdapter;
1624 	MV_U8 channel;
1625 	for (channel=0;channel< MV_SATA_CHANNELS_NUM;channel++) {
1626 		if (pMvSataAdapter->sataChannel[channel] && pMvSataAdapter->sataChannel[channel]->outstandingCommands)
1627 			MvSataResetChannel(pMvSataAdapter,channel);
1628 	}
1629 	return 0;
1630 }
1631 
1632 void fCompleteAllCommandsSynchronously(PVBus _vbus_p)
1633 {
1634 	UINT cont;
1635 	ULONG ticks = 0;
1636 	MV_U8 channel;
1637 	MV_SATA_ADAPTER *pMvSataAdapter = &((IAL_ADAPTER_T *)_vbus_p->OsExt)->mvSataAdapter;
1638 	MV_SATA_CHANNEL *pMvSataChannel;
1639 
1640 	do {
1641 check_cmds:
1642 		cont = 0;
1643 		CheckPendingCall(_VBUS_P0);
1644 #ifdef _RAID5N_
1645 		dataxfer_poll();
1646 		xor_poll();
1647 #endif
1648 		for (channel=0;channel< MV_SATA_CHANNELS_NUM;channel++) {
1649 			pMvSataChannel = pMvSataAdapter->sataChannel[channel];
1650 			if (pMvSataChannel && pMvSataChannel->outstandingCommands)
1651 			{
1652 				while (pMvSataChannel->outstandingCommands) {
1653 					if (!mvSataInterruptServiceRoutine(pMvSataAdapter)) {
1654 						StallExec(1000);
1655 						if (ticks++ > 3000) {
1656 							MvSataResetChannel(pMvSataAdapter,channel);
1657 							goto check_cmds;
1658 						}
1659 					}
1660 					else
1661 						ticks = 0;
1662 				}
1663 				cont = 1;
1664 			}
1665 		}
1666 	} while (cont);
1667 }
1668 
1669 void
1670 fResetVBus(_VBUS_ARG0)
1671 {
1672 	KdPrint(("fMvResetBus(%p)", _vbus_p));
1673 
1674 	/* some commands may already finished. */
1675 	CheckPendingCall(_VBUS_P0);
1676 
1677 	fResetActiveCommands(_vbus_p);
1678 	/*
1679 	 * the other pending commands may still be finished successfully.
1680 	 */
1681 	fCompleteAllCommandsSynchronously(_vbus_p);
1682 
1683 	/* Now there should be no pending commands. No more action needed. */
1684 	CheckIdleCall(_VBUS_P0);
1685 
1686 	KdPrint(("fMvResetBus() done"));
1687 }
1688 
1689 /*No rescan function*/
1690 void
1691 fRescanAllDevice(_VBUS_ARG0)
1692 {
1693 }
1694 
1695 static MV_BOOLEAN
1696 CommandCompletionCB(MV_SATA_ADAPTER *pMvSataAdapter,
1697 					MV_U8 channelNum,
1698 					MV_COMPLETION_TYPE comp_type,
1699 					MV_VOID_PTR commandId,
1700 					MV_U16 responseFlags,
1701 					MV_U32 timeStamp,
1702 					MV_STORAGE_DEVICE_REGISTERS *registerStruct)
1703 {
1704 	PCommand pCmd = (PCommand) commandId;
1705 	_VBUS_INST(pCmd->pVDevice->pVBus)
1706 
1707 	if (pCmd->uScratch.sata_param.prdAddr)
1708 		FreePRDTable(pMvSataAdapter->IALData,pCmd->uScratch.sata_param.prdAddr);
1709 
1710 	switch (comp_type)
1711 	{
1712 	case MV_COMPLETION_TYPE_NORMAL:
1713 		pCmd->Result = RETURN_SUCCESS;
1714 		break;
1715 	case MV_COMPLETION_TYPE_ABORT:
1716 		pCmd->Result = RETURN_BUS_RESET;
1717 		break;
1718 	case MV_COMPLETION_TYPE_ERROR:
1719 		 MV_ERROR("IAL: COMPLETION ERROR, adapter %d, channel %d, flags=%x\n",
1720 				 pMvSataAdapter->adapterId, channelNum, responseFlags);
1721 
1722 		if (responseFlags & 4) {
1723 			MV_ERROR("ATA regs: error %x, sector count %x, LBA low %x, LBA mid %x,"
1724 				" LBA high %x, device %x, status %x\n",
1725 				registerStruct->errorRegister,
1726 				registerStruct->sectorCountRegister,
1727 				registerStruct->lbaLowRegister,
1728 				registerStruct->lbaMidRegister,
1729 				registerStruct->lbaHighRegister,
1730 				registerStruct->deviceRegister,
1731 				registerStruct->statusRegister);
1732 		}
1733 		/*We can't do handleEdmaError directly here, because CommandCompletionCB is called by
1734 		 * mv's ISR, if we retry the command, than the internel data structure may be destroyed*/
1735 		pCmd->uScratch.sata_param.responseFlags = responseFlags;
1736 		pCmd->uScratch.sata_param.bIdeStatus = registerStruct->statusRegister;
1737 		pCmd->uScratch.sata_param.errorRegister = registerStruct->errorRegister;
1738 		pCmd->pVDevice->u.disk.QueueLength--;
1739 		CallAfterReturn(_VBUS_P (DPC_PROC)handleEdmaError,pCmd);
1740 		return TRUE;
1741 
1742 	default:
1743 		MV_ERROR(" Unknown completion type (%d)\n", comp_type);
1744 		return MV_FALSE;
1745 	}
1746 
1747 	if (pCmd->uCmd.Ide.Command == IDE_COMMAND_VERIFY && pCmd->uScratch.sata_param.cmd_priv > 1) {
1748 		pCmd->uScratch.sata_param.cmd_priv --;
1749 		return TRUE;
1750 	}
1751 	pCmd->pVDevice->u.disk.QueueLength--;
1752 	CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1753 	return TRUE;
1754 }
1755 
1756 void
1757 fDeviceSendCommand(_VBUS_ARG PCommand pCmd)
1758 {
1759 	MV_SATA_EDMA_PRD_ENTRY  *pPRDTable = 0;
1760 	MV_SATA_ADAPTER *pMvSataAdapter;
1761 	MV_SATA_CHANNEL *pMvSataChannel;
1762 	PVDevice pVDevice = pCmd->pVDevice;
1763 	PDevice  pDevice = &pVDevice->u.disk;
1764 	LBA_T    Lba = pCmd->uCmd.Ide.Lba;
1765 	USHORT   nSector = pCmd->uCmd.Ide.nSectors;
1766 
1767 	MV_QUEUE_COMMAND_RESULT result;
1768 	MV_QUEUE_COMMAND_INFO commandInfo;
1769 	MV_UDMA_COMMAND_PARAMS  *pUdmaParams = &commandInfo.commandParams.udmaCommand;
1770 	MV_NONE_UDMA_COMMAND_PARAMS *pNoUdmaParams = &commandInfo.commandParams.NoneUdmaCommand;
1771 
1772 	MV_BOOLEAN is48bit;
1773 	MV_U8      channel;
1774 	int        i=0;
1775 
1776 	DECLARE_BUFFER(FPSCAT_GATH, tmpSg);
1777 
1778 	if (!pDevice->df_on_line) {
1779 		MV_ERROR("Device is offline");
1780 		pCmd->Result = RETURN_BAD_DEVICE;
1781 		CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1782 		return;
1783 	}
1784 
1785 	pDevice->HeadPosition = pCmd->uCmd.Ide.Lba + pCmd->uCmd.Ide.nSectors;
1786 	pMvSataChannel = pDevice->mv;
1787 	pMvSataAdapter = pMvSataChannel->mvSataAdapter;
1788 	channel = pMvSataChannel->channelNumber;
1789 
1790 	/* old RAID0 has hidden lba. Remember to clear dDeHiddenLba when delete array! */
1791 	Lba += pDevice->dDeHiddenLba;
1792 	/* check LBA */
1793 	if (Lba+nSector-1 > pDevice->dDeRealCapacity) {
1794 		pCmd->Result = RETURN_INVALID_REQUEST;
1795 		CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1796 		return;
1797 	}
1798 
1799 	/*
1800 	 * always use 48bit LBA if drive supports it.
1801 	 * Some Seagate drives report error if you use a 28-bit command
1802 	 * to access sector 0xfffffff.
1803 	 */
1804 	is48bit = pMvSataChannel->lba48Address;
1805 
1806 	switch (pCmd->uCmd.Ide.Command)
1807 	{
1808 	case IDE_COMMAND_READ:
1809 	case IDE_COMMAND_WRITE:
1810 		if (pDevice->bDeModeSetting<8) goto pio;
1811 
1812 		commandInfo.type = MV_QUEUED_COMMAND_TYPE_UDMA;
1813 		pUdmaParams->isEXT = is48bit;
1814 		pUdmaParams->numOfSectors = nSector;
1815 		pUdmaParams->lowLBAAddress = Lba;
1816 		pUdmaParams->highLBAAddress = 0;
1817 		pUdmaParams->prdHighAddr = 0;
1818 		pUdmaParams->callBack = CommandCompletionCB;
1819 		pUdmaParams->commandId = (MV_VOID_PTR )pCmd;
1820 		if(pCmd->uCmd.Ide.Command == IDE_COMMAND_READ)
1821 			pUdmaParams->readWrite = MV_UDMA_TYPE_READ;
1822 		else
1823 			pUdmaParams->readWrite = MV_UDMA_TYPE_WRITE;
1824 
1825 		if (pCmd->pSgTable && pCmd->cf_physical_sg) {
1826 			FPSCAT_GATH sg1=tmpSg, sg2=pCmd->pSgTable;
1827 			do { *sg1++=*sg2; } while ((sg2++->wSgFlag & SG_FLAG_EOT)==0);
1828 		}
1829 		else {
1830 			if (!pCmd->pfnBuildSgl || !pCmd->pfnBuildSgl(_VBUS_P pCmd, tmpSg, 0)) {
1831 pio:
1832 				mvSataDisableChannelDma(pMvSataAdapter, channel);
1833 				mvSataFlushDmaQueue(pMvSataAdapter, channel, MV_FLUSH_TYPE_CALLBACK);
1834 
1835 				if (pCmd->pSgTable && pCmd->cf_physical_sg==0) {
1836 					FPSCAT_GATH sg1=tmpSg, sg2=pCmd->pSgTable;
1837 					do { *sg1++=*sg2; } while ((sg2++->wSgFlag & SG_FLAG_EOT)==0);
1838 				}
1839 				else {
1840 					if (!pCmd->pfnBuildSgl || !pCmd->pfnBuildSgl(_VBUS_P pCmd, tmpSg, 1)) {
1841 						pCmd->Result = RETURN_NEED_LOGICAL_SG;
1842 						goto finish_cmd;
1843 					}
1844 				}
1845 
1846 				do {
1847 					ULONG size = tmpSg->wSgSize? tmpSg->wSgSize : 0x10000;
1848 					ULONG_PTR addr = tmpSg->dSgAddress;
1849 					if (size & 0x1ff) {
1850 						pCmd->Result = RETURN_INVALID_REQUEST;
1851 						goto finish_cmd;
1852 					}
1853 					if (mvStorageDevATAExecuteNonUDMACommand(pMvSataAdapter, channel,
1854 						(pCmd->cf_data_out)?MV_NON_UDMA_PROTOCOL_PIO_DATA_OUT:MV_NON_UDMA_PROTOCOL_PIO_DATA_IN,
1855 						is48bit,
1856 						(MV_U16_PTR)addr,
1857 						size >> 1,	/* count       */
1858 						0,		/* features  N/A  */
1859 						(MV_U16)(size>>9),	/*sector count*/
1860 						(MV_U16)(  (is48bit? (MV_U16)((Lba >> 16) & 0xFF00) : 0 )  | (UCHAR)(Lba & 0xFF) ), /*lbalow*/
1861 						(MV_U16)((Lba >> 8) & 0xFF), /* lbaMid      */
1862 						(MV_U16)((Lba >> 16) & 0xFF),/* lbaHigh     */
1863 						(MV_U8)(0x40 | (is48bit ? 0 : (UCHAR)(Lba >> 24) & 0xFF )),/* device      */
1864 						(MV_U8)(is48bit ? (pCmd->cf_data_in?IDE_COMMAND_READ_EXT:IDE_COMMAND_WRITE_EXT):pCmd->uCmd.Ide.Command)
1865 					)==MV_FALSE)
1866 					{
1867 						pCmd->Result = RETURN_IDE_ERROR;
1868 						goto finish_cmd;
1869 					}
1870 					Lba += size>>9;
1871 					if(Lba & 0xF0000000) is48bit = MV_TRUE;
1872 				}
1873 				while ((tmpSg++->wSgFlag & SG_FLAG_EOT)==0);
1874 				pCmd->Result = RETURN_SUCCESS;
1875 finish_cmd:
1876 				mvSataEnableChannelDma(pMvSataAdapter,channel);
1877 				CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1878 				return;
1879 			}
1880 		}
1881 
1882 		pPRDTable = (MV_SATA_EDMA_PRD_ENTRY *) AllocatePRDTable(pMvSataAdapter->IALData);
1883 		KdPrint(("pPRDTable:%p\n",pPRDTable));
1884 		if (!pPRDTable) {
1885 			pCmd->Result = RETURN_DEVICE_BUSY;
1886 			CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1887 			HPT_ASSERT(0);
1888 			return;
1889 		}
1890 
1891 		do{
1892 			pPRDTable[i].highBaseAddr = (sizeof(tmpSg->dSgAddress)>4 ? (MV_U32)(tmpSg->dSgAddress>>32) : 0);
1893 			pPRDTable[i].flags = (MV_U16)tmpSg->wSgFlag;
1894 			pPRDTable[i].byteCount = (MV_U16)tmpSg->wSgSize;
1895 			pPRDTable[i].lowBaseAddr = (MV_U32)tmpSg->dSgAddress;
1896 			pPRDTable[i].reserved = 0;
1897 			i++;
1898 		}while((tmpSg++->wSgFlag & SG_FLAG_EOT)==0);
1899 
1900 		pUdmaParams->prdLowAddr = (ULONG)fOsPhysicalAddress(pPRDTable);
1901 		if ((pUdmaParams->numOfSectors == 256) && (pMvSataChannel->lba48Address == MV_FALSE)) {
1902 			pUdmaParams->numOfSectors = 0;
1903 		}
1904 
1905 		pCmd->uScratch.sata_param.prdAddr = (PVOID)pPRDTable;
1906 
1907 		result = mvSataQueueCommand(pMvSataAdapter, channel, &commandInfo);
1908 
1909 		if (result != MV_QUEUE_COMMAND_RESULT_OK)
1910 		{
1911 queue_failed:
1912 			switch (result)
1913 			{
1914 			case MV_QUEUE_COMMAND_RESULT_BAD_LBA_ADDRESS:
1915 				MV_ERROR("IAL Error: Edma Queue command failed. Bad LBA "
1916 						 "LBA[31:0](0x%08x)\n", pUdmaParams->lowLBAAddress);
1917 				pCmd->Result = RETURN_IDE_ERROR;
1918 				break;
1919 			case MV_QUEUE_COMMAND_RESULT_QUEUED_MODE_DISABLED:
1920 				MV_ERROR("IAL Error: Edma Queue command failed. EDMA"
1921 						 " disabled adapter %d channel %d\n",
1922 						 pMvSataAdapter->adapterId, channel);
1923 				mvSataEnableChannelDma(pMvSataAdapter,channel);
1924 				pCmd->Result = RETURN_IDE_ERROR;
1925 				break;
1926 			case MV_QUEUE_COMMAND_RESULT_FULL:
1927 				MV_ERROR("IAL Error: Edma Queue command failed. Queue is"
1928 						 " Full adapter %d channel %d\n",
1929 						 pMvSataAdapter->adapterId, channel);
1930 				pCmd->Result = RETURN_DEVICE_BUSY;
1931 				break;
1932 			case MV_QUEUE_COMMAND_RESULT_BAD_PARAMS:
1933 				MV_ERROR("IAL Error: Edma Queue command failed. (Bad "
1934 						 "Params), pMvSataAdapter: %p,  pSataChannel: %p.\n",
1935 						 pMvSataAdapter, pMvSataAdapter->sataChannel[channel]);
1936 				pCmd->Result = RETURN_IDE_ERROR;
1937 				break;
1938 			default:
1939 				MV_ERROR("IAL Error: Bad result value (%d) from queue"
1940 						 " command\n", result);
1941 				pCmd->Result = RETURN_IDE_ERROR;
1942 			}
1943 			if(pPRDTable)
1944 				FreePRDTable(pMvSataAdapter->IALData,pPRDTable);
1945 			CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1946 		}
1947 		pDevice->QueueLength++;
1948 		return;
1949 
1950 	case IDE_COMMAND_VERIFY:
1951 		commandInfo.type = MV_QUEUED_COMMAND_TYPE_NONE_UDMA;
1952 		pNoUdmaParams->bufPtr = NULL;
1953 		pNoUdmaParams->callBack = CommandCompletionCB;
1954 		pNoUdmaParams->commandId = (MV_VOID_PTR)pCmd;
1955 		pNoUdmaParams->count = 0;
1956 		pNoUdmaParams->features = 0;
1957 		pNoUdmaParams->protocolType = MV_NON_UDMA_PROTOCOL_NON_DATA;
1958 
1959 		pCmd->uScratch.sata_param.cmd_priv = 1;
1960 		if (pMvSataChannel->lba48Address == MV_TRUE){
1961 			pNoUdmaParams->command = MV_ATA_COMMAND_READ_VERIFY_SECTORS_EXT;
1962 			pNoUdmaParams->isEXT = MV_TRUE;
1963 			pNoUdmaParams->lbaHigh = (MV_U16)((Lba & 0xff0000) >> 16);
1964 			pNoUdmaParams->lbaMid = (MV_U16)((Lba & 0xff00) >> 8);
1965 			pNoUdmaParams->lbaLow =
1966 				(MV_U16)(((Lba & 0xff000000) >> 16)| (Lba & 0xff));
1967 			pNoUdmaParams->sectorCount = nSector;
1968 			pNoUdmaParams->device = 0x40;
1969 			result = mvSataQueueCommand(pMvSataAdapter, channel, &commandInfo);
1970 			if (result != MV_QUEUE_COMMAND_RESULT_OK){
1971 				goto queue_failed;
1972 			}
1973 			return;
1974 		}
1975 		else{
1976 			pNoUdmaParams->command = MV_ATA_COMMAND_READ_VERIFY_SECTORS;
1977 			pNoUdmaParams->isEXT = MV_FALSE;
1978 			pNoUdmaParams->lbaHigh = (MV_U16)((Lba & 0xff0000) >> 16);
1979 			pNoUdmaParams->lbaMid = (MV_U16)((Lba & 0xff00) >> 8);
1980 			pNoUdmaParams->lbaLow = (MV_U16)(Lba & 0xff);
1981 			pNoUdmaParams->sectorCount = 0xff & nSector;
1982 			pNoUdmaParams->device = (MV_U8)(0x40 |
1983 				((Lba & 0xf000000) >> 24));
1984 			pNoUdmaParams->callBack = CommandCompletionCB;
1985 			result = mvSataQueueCommand(pMvSataAdapter, channel, &commandInfo);
1986 			/*FIXME: how about the commands already queued? but marvel also forgets to consider this*/
1987 			if (result != MV_QUEUE_COMMAND_RESULT_OK){
1988 				goto queue_failed;
1989 			}
1990 		}
1991 		break;
1992 	default:
1993 		pCmd->Result = RETURN_INVALID_REQUEST;
1994 		CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1995 		break;
1996 	}
1997 }
1998 
1999 /**********************************************************
2000  *
2001  *	Probe the hostadapter.
2002  *
2003  **********************************************************/
2004 static int
2005 hpt_probe(device_t dev)
2006 {
2007 	if ((pci_get_vendor(dev) == MV_SATA_VENDOR_ID) &&
2008 		(pci_get_device(dev) == MV_SATA_DEVICE_ID_5081
2009 #ifdef FOR_DEMO
2010 		|| pci_get_device(dev) == MV_SATA_DEVICE_ID_5080
2011 #endif
2012 		))
2013 	{
2014 		KdPrintI((CONTROLLER_NAME " found\n"));
2015 		device_set_desc(dev, CONTROLLER_NAME);
2016 		return 0;
2017 	}
2018 	else
2019 		return(ENXIO);
2020 }
2021 
2022 /***********************************************************
2023  *
2024  *      Auto configuration:  attach and init a host adapter.
2025  *
2026  ***********************************************************/
2027 static int
2028 hpt_attach(device_t dev)
2029 {
2030 	IAL_ADAPTER_T * pAdapter = device_get_softc(dev);
2031 	int rid;
2032 	union ccb *ccb;
2033 	struct cam_devq *devq;
2034 	struct cam_sim *hpt_vsim;
2035 
2036 	printf("%s Version %s \n", DRIVER_NAME, DRIVER_VERSION);
2037 
2038 	if (!pAdapter)
2039 	{
2040 		pAdapter = (IAL_ADAPTER_T *)malloc(sizeof (IAL_ADAPTER_T), M_DEVBUF, M_NOWAIT);
2041 #if __FreeBSD_version > 410000
2042 		device_set_softc(dev, (void *)pAdapter);
2043 #else
2044 		device_set_driver(dev, (driver_t *)pAdapter);
2045 #endif
2046 	}
2047 
2048 	if (!pAdapter) return (ENOMEM);
2049 	bzero(pAdapter, sizeof(IAL_ADAPTER_T));
2050 
2051 	pAdapter->hpt_dev = dev;
2052 
2053 	rid = init_adapter(pAdapter);
2054 	if (rid)
2055 		return rid;
2056 
2057 	rid = 0;
2058 	if ((pAdapter->hpt_irq = bus_alloc_resource(pAdapter->hpt_dev, SYS_RES_IRQ, &rid, 0, ~0ul, 1, RF_SHAREABLE | RF_ACTIVE)) == NULL)
2059 	{
2060 		hpt_printk(("can't allocate interrupt\n"));
2061 		return(ENXIO);
2062 	}
2063 
2064 #if __FreeBSD_version <700000
2065 	if (bus_setup_intr(pAdapter->hpt_dev, pAdapter->hpt_irq, INTR_TYPE_CAM,
2066 				hpt_intr, pAdapter, &pAdapter->hpt_intr))
2067 #else
2068 	if (bus_setup_intr(pAdapter->hpt_dev, pAdapter->hpt_irq, INTR_TYPE_CAM,
2069 				NULL, hpt_intr, pAdapter, &pAdapter->hpt_intr))
2070 #endif
2071 	{
2072 		hpt_printk(("can't set up interrupt\n"));
2073 		free(pAdapter, M_DEVBUF);
2074 		return(ENXIO);
2075 	}
2076 
2077 
2078 	if((ccb = (union ccb *)malloc(sizeof(*ccb), M_DEVBUF, M_WAITOK)) != (union ccb*)NULL)
2079 	{
2080 		bzero(ccb, sizeof(*ccb));
2081 		ccb->ccb_h.pinfo.priority = 1;
2082 		ccb->ccb_h.pinfo.index = CAM_UNQUEUED_INDEX;
2083 	}
2084 	else
2085 	{
2086 		return ENOMEM;
2087 	}
2088 	/*
2089 	 * Create the device queue for our SIM(s).
2090 	 */
2091 	if((devq = cam_simq_alloc(8/*MAX_QUEUE_COMM*/)) == NULL)
2092 	{
2093 		KdPrint(("ENXIO\n"));
2094 		return ENOMEM;
2095 	}
2096 
2097 	/*
2098 	 * Construct our SIM entry
2099 	 */
2100 #if __FreeBSD_version <700000
2101 	hpt_vsim = cam_sim_alloc(hpt_action, hpt_poll, __str(PROC_DIR_NAME),
2102 			pAdapter, device_get_unit(pAdapter->hpt_dev), 1, 8, devq);
2103 #else
2104 	hpt_vsim = cam_sim_alloc(hpt_action, hpt_poll, __str(PROC_DIR_NAME),
2105 			pAdapter, device_get_unit(pAdapter->hpt_dev), &Giant, 1, 8, devq);
2106 #endif
2107 	if (hpt_vsim == NULL) {
2108 		cam_simq_free(devq);
2109 		return ENOMEM;
2110 	}
2111 
2112 #if __FreeBSD_version <700000
2113 	if (xpt_bus_register(hpt_vsim, 0) != CAM_SUCCESS)
2114 #else
2115 	if (xpt_bus_register(hpt_vsim, dev, 0) != CAM_SUCCESS)
2116 #endif
2117 	{
2118 		cam_sim_free(hpt_vsim, /*free devq*/ TRUE);
2119 		hpt_vsim = NULL;
2120 		return ENXIO;
2121 	}
2122 
2123 	if(xpt_create_path(&pAdapter->path, /*periph */ NULL,
2124 			cam_sim_path(hpt_vsim), CAM_TARGET_WILDCARD,
2125 			CAM_LUN_WILDCARD) != CAM_REQ_CMP)
2126 	{
2127 		xpt_bus_deregister(cam_sim_path(hpt_vsim));
2128 		cam_sim_free(hpt_vsim, /*free_devq*/TRUE);
2129 		hpt_vsim = NULL;
2130 		return ENXIO;
2131 	}
2132 
2133 	xpt_setup_ccb(&(ccb->ccb_h), pAdapter->path, /*priority*/5);
2134 	ccb->ccb_h.func_code = XPT_SASYNC_CB;
2135 	ccb->csa.event_enable = AC_LOST_DEVICE;
2136 	ccb->csa.callback = hpt_async;
2137 	ccb->csa.callback_arg = hpt_vsim;
2138 	xpt_action((union ccb *)ccb);
2139 	free(ccb, M_DEVBUF);
2140 
2141 	if (device_get_unit(dev) == 0) {
2142 		/* Start the work thread.  XXX */
2143 		launch_worker_thread();
2144 	}
2145 
2146 	return 0;
2147 }
2148 
2149 static int
2150 hpt_detach(device_t dev)
2151 {
2152 	return (EBUSY);
2153 }
2154 
2155 
2156 /***************************************************************
2157  * The poll function is used to simulate the interrupt when
2158  * the interrupt subsystem is not functioning.
2159  *
2160  ***************************************************************/
2161 static void
2162 hpt_poll(struct cam_sim *sim)
2163 {
2164 	hpt_intr((void *)cam_sim_softc(sim));
2165 }
2166 
2167 /****************************************************************
2168  *	Name:	hpt_intr
2169  *	Description:	Interrupt handler.
2170  ****************************************************************/
2171 static void
2172 hpt_intr(void *arg)
2173 {
2174 	IAL_ADAPTER_T *pAdapter = (IAL_ADAPTER_T *)arg;
2175 	intrmask_t oldspl = lock_driver();
2176 
2177 	/* KdPrintI(("----- Entering Isr() -----\n")); */
2178 	if (mvSataInterruptServiceRoutine(&pAdapter->mvSataAdapter) == MV_TRUE)
2179 	{
2180 		_VBUS_INST(&pAdapter->VBus)
2181 		CheckPendingCall(_VBUS_P0);
2182 	}
2183 
2184 	/* KdPrintI(("----- Leaving Isr() -----\n")); */
2185 	unlock_driver(oldspl);
2186 }
2187 
2188 /**********************************************************
2189  * 			Asynchronous Events
2190  *********************************************************/
2191 #if (!defined(UNREFERENCED_PARAMETER))
2192 #define UNREFERENCED_PARAMETER(x) (void)(x)
2193 #endif
2194 
2195 static void
2196 hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path,
2197     void * arg)
2198 {
2199 	/* debug XXXX */
2200 	panic("Here");
2201 	UNREFERENCED_PARAMETER(callback_arg);
2202 	UNREFERENCED_PARAMETER(code);
2203 	UNREFERENCED_PARAMETER(path);
2204 	UNREFERENCED_PARAMETER(arg);
2205 
2206 }
2207 
2208 static void
2209 FlushAdapter(IAL_ADAPTER_T *pAdapter)
2210 {
2211 	int i;
2212 
2213 	hpt_printk(("flush all devices\n"));
2214 
2215 	/* flush all devices */
2216 	for (i=0; i<MAX_VDEVICE_PER_VBUS; i++) {
2217 		PVDevice pVDev = pAdapter->VBus.pVDevice[i];
2218 		if(pVDev) fFlushVDev(pVDev);
2219 	}
2220 }
2221 
2222 static int
2223 hpt_shutdown(device_t dev)
2224 {
2225 		IAL_ADAPTER_T *pAdapter;
2226 
2227 		pAdapter = device_get_softc(dev);
2228 		if (pAdapter == NULL)
2229 			return (EINVAL);
2230 
2231 		EVENTHANDLER_DEREGISTER(shutdown_final, pAdapter->eh);
2232 		FlushAdapter(pAdapter);
2233 		  /* give the flush some time to happen,
2234 		    *otherwise "shutdown -p now" will make file system corrupted */
2235 		DELAY(1000 * 1000 * 5);
2236 		return 0;
2237 }
2238 
2239 void
2240 Check_Idle_Call(IAL_ADAPTER_T *pAdapter)
2241 {
2242 	_VBUS_INST(&pAdapter->VBus)
2243 
2244 	if (mWaitingForIdle(_VBUS_P0)) {
2245 		CheckIdleCall(_VBUS_P0);
2246 #ifdef SUPPORT_ARRAY
2247 		{
2248 			int i;
2249 			PVDevice pArray;
2250 			for(i = 0; i < MAX_ARRAY_PER_VBUS; i++){
2251 				if ((pArray=ArrayTables(i))->u.array.dArStamp==0)
2252 					continue;
2253 				else if (pArray->u.array.rf_auto_rebuild) {
2254 						KdPrint(("auto rebuild.\n"));
2255 						pArray->u.array.rf_auto_rebuild = 0;
2256 						hpt_queue_dpc((HPT_DPC)hpt_rebuild_data_block, pAdapter, pArray, DUPLICATE);
2257 				}
2258 			}
2259 		}
2260 #endif
2261 	}
2262 	/* launch the awaiting commands blocked by mWaitingForIdle */
2263 	while(pAdapter->pending_Q!= NULL)
2264 	{
2265 		_VBUS_INST(&pAdapter->VBus)
2266 		union ccb *ccb = (union ccb *)pAdapter->pending_Q->ccb_h.ccb_ccb_ptr;
2267 		hpt_free_ccb(&pAdapter->pending_Q, ccb);
2268 		CallAfterReturn(_VBUS_P (DPC_PROC)OsSendCommand, ccb);
2269 	}
2270 }
2271 
2272 static void
2273 ccb_done(union ccb *ccb)
2274 {
2275 	PBUS_DMAMAP pmap = (PBUS_DMAMAP)ccb->ccb_adapter;
2276 	IAL_ADAPTER_T * pAdapter = pmap->pAdapter;
2277 	KdPrintI(("ccb_done: ccb %p status %x\n", ccb, ccb->ccb_h.status));
2278 
2279 	dmamap_put(pmap);
2280 	xpt_done(ccb);
2281 
2282 	pAdapter->outstandingCommands--;
2283 
2284 	if (pAdapter->outstandingCommands == 0)
2285 	{
2286 		if(DPC_Request_Nums == 0)
2287 			Check_Idle_Call(pAdapter);
2288 	}
2289 }
2290 
2291 /****************************************************************
2292  *	Name:	hpt_action
2293  *	Description:	Process a queued command from the CAM layer.
2294  *	Parameters:		sim - Pointer to SIM object
2295  *					ccb - Pointer to SCSI command structure.
2296  ****************************************************************/
2297 
2298 void
2299 hpt_action(struct cam_sim *sim, union ccb *ccb)
2300 {
2301 	intrmask_t oldspl;
2302 	IAL_ADAPTER_T * pAdapter = (IAL_ADAPTER_T *) cam_sim_softc(sim);
2303 	PBUS_DMAMAP  pmap;
2304 	_VBUS_INST(&pAdapter->VBus)
2305 
2306 	CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("hpt_action\n"));
2307 	KdPrint(("hpt_action(%lx,%lx{%x})\n", (u_long)sim, (u_long)ccb, ccb->ccb_h.func_code));
2308 
2309 	switch (ccb->ccb_h.func_code)
2310 	{
2311 		case XPT_SCSI_IO:	/* Execute the requested I/O operation */
2312 		{
2313 			/* ccb->ccb_h.path_id is not our bus id - don't check it */
2314 
2315 			if (ccb->ccb_h.target_lun)	{
2316 				ccb->ccb_h.status = CAM_LUN_INVALID;
2317 				xpt_done(ccb);
2318 				return;
2319 			}
2320 			if (ccb->ccb_h.target_id >= MAX_VDEVICE_PER_VBUS ||
2321 				pAdapter->VBus.pVDevice[ccb->ccb_h.target_id]==0) {
2322 				ccb->ccb_h.status = CAM_TID_INVALID;
2323 				xpt_done(ccb);
2324 				return;
2325 			}
2326 
2327 			oldspl = lock_driver();
2328 			if (pAdapter->outstandingCommands==0 && DPC_Request_Nums==0)
2329 				Check_Idle_Call(pAdapter);
2330 
2331 			pmap = dmamap_get(pAdapter);
2332 			HPT_ASSERT(pmap);
2333 			ccb->ccb_adapter = pmap;
2334 			memset((void *)pmap->psg, 0,  sizeof(pmap->psg));
2335 
2336 			if (mWaitingForIdle(_VBUS_P0))
2337 				hpt_queue_ccb(&pAdapter->pending_Q, ccb);
2338 			else
2339 				OsSendCommand(_VBUS_P ccb);
2340 			unlock_driver(oldspl);
2341 
2342 			/* KdPrint(("leave scsiio\n")); */
2343 			break;
2344 		}
2345 
2346 		case XPT_RESET_BUS:
2347 			KdPrint(("reset bus\n"));
2348 			oldspl = lock_driver();
2349 			fResetVBus(_VBUS_P0);
2350 			unlock_driver(oldspl);
2351 			xpt_done(ccb);
2352 			break;
2353 
2354 		case XPT_RESET_DEV:	/* Bus Device Reset the specified SCSI device */
2355 		case XPT_EN_LUN:		/* Enable LUN as a target */
2356 		case XPT_TARGET_IO:		/* Execute target I/O request */
2357 		case XPT_ACCEPT_TARGET_IO:	/* Accept Host Target Mode CDB */
2358 		case XPT_CONT_TARGET_IO:	/* Continue Host Target I/O Connection*/
2359 		case XPT_ABORT:			/* Abort the specified CCB */
2360 		case XPT_TERM_IO:		/* Terminate the I/O process */
2361 			/* XXX Implement */
2362 			ccb->ccb_h.status = CAM_REQ_INVALID;
2363 			xpt_done(ccb);
2364 			break;
2365 
2366 		case XPT_GET_TRAN_SETTINGS:
2367 		case XPT_SET_TRAN_SETTINGS:
2368 			/* XXX Implement */
2369 			ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
2370 			xpt_done(ccb);
2371 			break;
2372 
2373 		case XPT_CALC_GEOMETRY:
2374 		{
2375 			struct	  ccb_calc_geometry *ccg;
2376 			u_int32_t size_mb;
2377 			u_int32_t secs_per_cylinder;
2378 
2379 			ccg = &ccb->ccg;
2380 			size_mb = ccg->volume_size / ((1024L * 1024L) / ccg->block_size);
2381 
2382 			if (size_mb > 1024 ) {
2383 				ccg->heads = 255;
2384 				ccg->secs_per_track = 63;
2385 			} else {
2386 				ccg->heads = 64;
2387 				ccg->secs_per_track = 32;
2388 			}
2389 			secs_per_cylinder = ccg->heads * ccg->secs_per_track;
2390 			ccg->cylinders = ccg->volume_size / secs_per_cylinder;
2391 			ccb->ccb_h.status = CAM_REQ_CMP;
2392 			xpt_done(ccb);
2393 			break;
2394 		}
2395 
2396 		case XPT_PATH_INQ:		/* Path routing inquiry */
2397 		{
2398 			struct ccb_pathinq *cpi = &ccb->cpi;
2399 
2400 			cpi->version_num = 1; /* XXX??? */
2401 			cpi->hba_inquiry = PI_SDTR_ABLE;
2402 			cpi->target_sprt = 0;
2403 			/* Not necessary to reset bus */
2404 			cpi->hba_misc = PIM_NOBUSRESET;
2405 			cpi->hba_eng_cnt = 0;
2406 
2407 			cpi->max_target = MAX_VDEVICE_PER_VBUS;
2408 			cpi->max_lun = 0;
2409 			cpi->initiator_id = MAX_VDEVICE_PER_VBUS;
2410 
2411 			cpi->bus_id = cam_sim_bus(sim);
2412 			cpi->base_transfer_speed = 3300;
2413 			strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
2414 			strncpy(cpi->hba_vid, "HPT   ", HBA_IDLEN);
2415 			strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
2416 			cpi->unit_number = cam_sim_unit(sim);
2417 			cpi->transport = XPORT_SPI;
2418 			cpi->transport_version = 2;
2419 			cpi->protocol = PROTO_SCSI;
2420 			cpi->protocol_version = SCSI_REV_2;
2421 			cpi->ccb_h.status = CAM_REQ_CMP;
2422 			xpt_done(ccb);
2423 			break;
2424 		}
2425 
2426 		default:
2427 			KdPrint(("invalid cmd\n"));
2428 			ccb->ccb_h.status = CAM_REQ_INVALID;
2429 			xpt_done(ccb);
2430 			break;
2431 	}
2432 	/* KdPrint(("leave hpt_action..............\n")); */
2433 }
2434 
2435 /* shall be called at lock_driver() */
2436 static void
2437 hpt_queue_ccb(union ccb **ccb_Q, union ccb *ccb)
2438 {
2439 	if(*ccb_Q == NULL)
2440 		ccb->ccb_h.ccb_ccb_ptr = ccb;
2441 	else {
2442 		ccb->ccb_h.ccb_ccb_ptr = (*ccb_Q)->ccb_h.ccb_ccb_ptr;
2443 		(*ccb_Q)->ccb_h.ccb_ccb_ptr = (char *)ccb;
2444 	}
2445 
2446 	*ccb_Q = ccb;
2447 }
2448 
2449 /* shall be called at lock_driver() */
2450 static void
2451 hpt_free_ccb(union ccb **ccb_Q, union ccb *ccb)
2452 {
2453 	union ccb *TempCCB;
2454 
2455 	TempCCB = *ccb_Q;
2456 
2457 	if(ccb->ccb_h.ccb_ccb_ptr == ccb) /*it means SCpnt is the last one in CURRCMDs*/
2458 		*ccb_Q = NULL;
2459 	else {
2460 		while(TempCCB->ccb_h.ccb_ccb_ptr != (char *)ccb)
2461 			TempCCB = (union ccb *)TempCCB->ccb_h.ccb_ccb_ptr;
2462 
2463 		TempCCB->ccb_h.ccb_ccb_ptr = ccb->ccb_h.ccb_ccb_ptr;
2464 
2465 		if(*ccb_Q == ccb)
2466 			*ccb_Q = TempCCB;
2467 	}
2468 }
2469 
2470 #ifdef SUPPORT_ARRAY
2471 /***************************************************************************
2472  * Function:     hpt_worker_thread
2473  * Description:  Do background rebuilding. Execute in kernel thread context.
2474  * Returns:      None
2475  ***************************************************************************/
2476 static void hpt_worker_thread(void)
2477 {
2478 	intrmask_t oldspl;
2479 
2480 	for(;;)	{
2481 		while (DpcQueue_First!=DpcQueue_Last) {
2482 			ST_HPT_DPC p;
2483 			oldspl = lock_driver();
2484 			p = DpcQueue[DpcQueue_First];
2485 			DpcQueue_First++;
2486 			DpcQueue_First %= MAX_DPC;
2487 			DPC_Request_Nums++;
2488 			unlock_driver(oldspl);
2489 			p.dpc(p.pAdapter, p.arg, p.flags);
2490 
2491 			oldspl = lock_driver();
2492 			DPC_Request_Nums--;
2493 			/* since we may have prevented Check_Idle_Call, do it here */
2494 			if (DPC_Request_Nums==0) {
2495 				if (p.pAdapter->outstandingCommands == 0) {
2496 					_VBUS_INST(&p.pAdapter->VBus);
2497 					Check_Idle_Call(p.pAdapter);
2498 					CheckPendingCall(_VBUS_P0);
2499 				}
2500 			}
2501 			unlock_driver(oldspl);
2502 
2503 			/*Schedule out*/
2504 #if (__FreeBSD_version < 500000)
2505 			YIELD_THREAD;
2506 #else
2507 #if (__FreeBSD_version > 700033)
2508 			pause("sched", 1);
2509 #else
2510 			tsleep((caddr_t)hpt_worker_thread, PPAUSE, "sched", 1);
2511 #endif
2512 #endif
2513 			if (SIGISMEMBER(curproc->p_siglist, SIGSTOP)) {
2514 				/* abort rebuilding process. */
2515 				IAL_ADAPTER_T *pAdapter;
2516 				PVDevice      pArray;
2517 				PVBus         _vbus_p;
2518 				int i;
2519 				pAdapter = gIal_Adapter;
2520 
2521 				while(pAdapter != 0){
2522 
2523 					_vbus_p = &pAdapter->VBus;
2524 
2525 					for (i=0;i<MAX_ARRAY_PER_VBUS;i++)
2526 					{
2527 						if ((pArray=ArrayTables(i))->u.array.dArStamp==0)
2528 							continue;
2529 						else if (pArray->u.array.rf_rebuilding ||
2530 								pArray->u.array.rf_verifying ||
2531 								pArray->u.array.rf_initializing)
2532 							{
2533 								pArray->u.array.rf_abort_rebuild = 1;
2534 							}
2535 					}
2536 					pAdapter = pAdapter->next;
2537 				}
2538 			}
2539 		}
2540 
2541 /*Remove this debug option*/
2542 /*
2543 #ifdef DEBUG
2544 		if (SIGISMEMBER(curproc->p_siglist, SIGSTOP))
2545 #if (__FreeBSD_version > 700033)
2546 			pause("hptrdy", 2*hz);
2547 #else
2548 			tsleep((caddr_t)hpt_worker_thread, PPAUSE, "hptrdy", 2*hz);
2549 #endif
2550 #endif
2551 */
2552 	#if (__FreeBSD_version >= 800002)
2553 		kproc_suspend_check(curproc);
2554 	#elif (__FreeBSD_version >= 500043)
2555 		kthread_suspend_check(curproc);
2556 	#else
2557 		kproc_suspend_loop(curproc);
2558 	#endif
2559 #if (__FreeBSD_version > 700033)
2560 		pause("hptrdy", 2*hz);  /* wait for something to do */
2561 #else
2562 		tsleep((caddr_t)hpt_worker_thread, PPAUSE, "hptrdy", 2*hz);  /* wait for something to do */
2563 #endif
2564 	}
2565 }
2566 
2567 static struct proc *hptdaemonproc;
2568 static struct kproc_desc hpt_kp = {
2569 	"hpt_wt",
2570 	hpt_worker_thread,
2571 	&hptdaemonproc
2572 };
2573 
2574 /*Start this thread in the hpt_attach, to prevent kernel from loading it without our controller.*/
2575 static void
2576 launch_worker_thread(void)
2577 {
2578 	IAL_ADAPTER_T *pAdapTemp;
2579 
2580 	kproc_start(&hpt_kp);
2581 
2582 	for (pAdapTemp = gIal_Adapter; pAdapTemp; pAdapTemp = pAdapTemp->next) {
2583 
2584 		_VBUS_INST(&pAdapTemp->VBus)
2585 		int i;
2586 		PVDevice pVDev;
2587 
2588 		for(i = 0; i < MAX_ARRAY_PER_VBUS; i++)
2589 			if ((pVDev=ArrayTables(i))->u.array.dArStamp==0)
2590 				continue;
2591 			else{
2592 				if (pVDev->u.array.rf_need_rebuild && !pVDev->u.array.rf_rebuilding)
2593 					hpt_queue_dpc((HPT_DPC)hpt_rebuild_data_block, pAdapTemp, pVDev,
2594 					(UCHAR)((pVDev->u.array.CriticalMembers || pVDev->VDeviceType == VD_RAID_1)? DUPLICATE : REBUILD_PARITY));
2595 			}
2596 	}
2597 
2598 	/*
2599 	 * hpt_worker_thread needs to be suspended after shutdown sync, when fs sync finished.
2600 	 */
2601 #if (__FreeBSD_version < 500043)
2602 	EVENTHANDLER_REGISTER(shutdown_post_sync, shutdown_kproc, hptdaemonproc, SHUTDOWN_PRI_FIRST);
2603 #else
2604 	EVENTHANDLER_REGISTER(shutdown_post_sync, kproc_shutdown, hptdaemonproc, SHUTDOWN_PRI_FIRST);
2605 #endif
2606 }
2607 /*
2608  *SYSINIT(hptwt, SI_SUB_KTHREAD_IDLE, SI_ORDER_FIRST, launch_worker_thread, NULL);
2609 */
2610 
2611 #endif
2612 
2613 /********************************************************************************/
2614 
2615 int HPTLIBAPI fOsBuildSgl(_VBUS_ARG PCommand pCmd, FPSCAT_GATH pSg, int logical)
2616 {
2617 	union ccb *ccb = (union ccb *)pCmd->pOrgCommand;
2618 	bus_dma_segment_t *sgList = (bus_dma_segment_t *)ccb->csio.data_ptr;
2619 	int idx;
2620 
2621 	if(logical) {
2622 		if (ccb->ccb_h.flags & CAM_DATA_PHYS)
2623 			panic("physical address unsupported");
2624 
2625 		if (ccb->ccb_h.flags & CAM_SCATTER_VALID) {
2626 			if (ccb->ccb_h.flags & CAM_SG_LIST_PHYS)
2627 				panic("physical address unsupported");
2628 
2629 			for (idx = 0; idx < ccb->csio.sglist_cnt; idx++) {
2630 				pSg[idx].dSgAddress = (ULONG_PTR)(UCHAR *)sgList[idx].ds_addr;
2631 				pSg[idx].wSgSize = sgList[idx].ds_len;
2632 				pSg[idx].wSgFlag = (idx==ccb->csio.sglist_cnt-1)? SG_FLAG_EOT : 0;
2633 			}
2634 		}
2635 		else {
2636 			pSg->dSgAddress = (ULONG_PTR)(UCHAR *)ccb->csio.data_ptr;
2637 			pSg->wSgSize = ccb->csio.dxfer_len;
2638 			pSg->wSgFlag = SG_FLAG_EOT;
2639 		}
2640 		return TRUE;
2641 	}
2642 
2643 	/* since we have provided physical sg, nobody will ask us to build physical sg */
2644 	HPT_ASSERT(0);
2645 	return FALSE;
2646 }
2647 
2648 /*******************************************************************************/
2649 ULONG HPTLIBAPI
2650 GetStamp(void)
2651 {
2652 	/*
2653 	 * the system variable, ticks, can't be used since it hasn't yet been active
2654 	 * when our driver starts (ticks==0, it's a invalid stamp value)
2655 	 */
2656 	ULONG stamp;
2657 	do { stamp = random(); } while (stamp==0);
2658 	return stamp;
2659 }
2660 
2661 
2662 static void
2663 SetInquiryData(PINQUIRYDATA inquiryData, PVDevice pVDev)
2664 {
2665 	int i;
2666 	IDENTIFY_DATA2 *pIdentify = (IDENTIFY_DATA2*)pVDev->u.disk.mv->identifyDevice;
2667 
2668 	inquiryData->DeviceType = T_DIRECT; /*DIRECT_ACCESS_DEVICE*/
2669 	inquiryData->AdditionalLength = (UCHAR)(sizeof(INQUIRYDATA) - 5);
2670 #ifndef SERIAL_CMDS
2671 	inquiryData->CommandQueue = 1;
2672 #endif
2673 
2674 	switch(pVDev->VDeviceType) {
2675 	case VD_SINGLE_DISK:
2676 	case VD_ATAPI:
2677 	case VD_REMOVABLE:
2678 		/* Set the removable bit, if applicable. */
2679 		if ((pVDev->u.disk.df_removable_drive) || (pIdentify->GeneralConfiguration & 0x80))
2680 			inquiryData->RemovableMedia = 1;
2681 
2682 		/* Fill in vendor identification fields. */
2683 		for (i = 0; i < 20; i += 2) {
2684 			inquiryData->VendorId[i] 	= ((PUCHAR)pIdentify->ModelNumber)[i + 1];
2685 			inquiryData->VendorId[i+1] 	= ((PUCHAR)pIdentify->ModelNumber)[i];
2686 
2687 		}
2688 
2689 		/* Initialize unused portion of product id. */
2690 		for (i = 0; i < 4; i++) inquiryData->ProductId[12+i] = ' ';
2691 
2692 		/* firmware revision */
2693 		for (i = 0; i < 4; i += 2)
2694 		{
2695 			inquiryData->ProductRevisionLevel[i] 	= ((PUCHAR)pIdentify->FirmwareRevision)[i+1];
2696 			inquiryData->ProductRevisionLevel[i+1] 	= ((PUCHAR)pIdentify->FirmwareRevision)[i];
2697 		}
2698 		break;
2699 	default:
2700 		memcpy(&inquiryData->VendorId, "RR18xx  ", 8);
2701 #ifdef SUPPORT_ARRAY
2702 		switch(pVDev->VDeviceType){
2703 		case VD_RAID_0:
2704 			if ((pVDev->u.array.pMember[0] && mIsArray(pVDev->u.array.pMember[0])) ||
2705 				(pVDev->u.array.pMember[1] && mIsArray(pVDev->u.array.pMember[1])))
2706 				memcpy(&inquiryData->ProductId, "RAID 1/0 Array  ", 16);
2707 			else
2708 				memcpy(&inquiryData->ProductId, "RAID 0 Array    ", 16);
2709 			break;
2710 		case VD_RAID_1:
2711 			if ((pVDev->u.array.pMember[0] && mIsArray(pVDev->u.array.pMember[0])) ||
2712 				(pVDev->u.array.pMember[1] && mIsArray(pVDev->u.array.pMember[1])))
2713 				memcpy(&inquiryData->ProductId, "RAID 0/1 Array  ", 16);
2714 			else
2715 				memcpy(&inquiryData->ProductId, "RAID 1 Array    ", 16);
2716 			break;
2717 		case VD_RAID_5:
2718 			memcpy(&inquiryData->ProductId, "RAID 5 Array    ", 16);
2719 			break;
2720 		case VD_JBOD:
2721 			memcpy(&inquiryData->ProductId, "JBOD Array      ", 16);
2722 			break;
2723 		}
2724 #endif
2725 		memcpy(&inquiryData->ProductRevisionLevel, "3.00", 4);
2726 		break;
2727 	}
2728 }
2729 
2730 static void
2731 hpt_timeout(void *arg)
2732 {
2733 	_VBUS_INST(&((PBUS_DMAMAP)((union ccb *)arg)->ccb_adapter)->pAdapter->VBus)
2734 	intrmask_t oldspl = lock_driver();
2735 	fResetVBus(_VBUS_P0);
2736 	unlock_driver(oldspl);
2737 }
2738 
2739 static void
2740 hpt_io_dmamap_callback(void *arg, bus_dma_segment_t *segs, int nsegs, int error)
2741 {
2742 	PCommand pCmd = (PCommand)arg;
2743 	union ccb *ccb = pCmd->pOrgCommand;
2744 	struct ccb_hdr *ccb_h = &ccb->ccb_h;
2745 	PBUS_DMAMAP pmap = (PBUS_DMAMAP) ccb->ccb_adapter;
2746 	IAL_ADAPTER_T *pAdapter = pmap->pAdapter;
2747 	PVDevice	pVDev = pAdapter->VBus.pVDevice[ccb_h->target_id];
2748 	FPSCAT_GATH psg = pCmd->pSgTable;
2749 	int idx;
2750 	_VBUS_INST(pVDev->pVBus)
2751 
2752 	HPT_ASSERT(pCmd->cf_physical_sg);
2753 
2754 	if (error || nsegs == 0)
2755 		panic("busdma error");
2756 
2757 	HPT_ASSERT(nsegs<= MAX_SG_DESCRIPTORS);
2758 
2759 	for (idx = 0; idx < nsegs; idx++, psg++) {
2760 		psg->dSgAddress = (ULONG_PTR)(UCHAR *)segs[idx].ds_addr;
2761 		psg->wSgSize = segs[idx].ds_len;
2762 		psg->wSgFlag = (idx == nsegs-1)? SG_FLAG_EOT: 0;
2763 /*		KdPrint(("psg[%d]:add=%p,size=%x,flag=%x\n", idx, psg->dSgAddress,psg->wSgSize,psg->wSgFlag)); */
2764 	}
2765 /*	psg[-1].wSgFlag = SG_FLAG_EOT; */
2766 
2767 	if (pCmd->cf_data_in) {
2768 		bus_dmamap_sync(pAdapter->io_dma_parent, pmap->dma_map, BUS_DMASYNC_PREREAD);
2769 	}
2770 	else if (pCmd->cf_data_out) {
2771 		bus_dmamap_sync(pAdapter->io_dma_parent, pmap->dma_map, BUS_DMASYNC_PREWRITE);
2772 	}
2773 
2774 	ccb->ccb_h.timeout_ch = timeout(hpt_timeout, (caddr_t)ccb, 20*hz);
2775 	pVDev->pfnSendCommand(_VBUS_P pCmd);
2776 	CheckPendingCall(_VBUS_P0);
2777 }
2778 
2779 
2780 
2781 static void HPTLIBAPI
2782 OsSendCommand(_VBUS_ARG union ccb *ccb)
2783 {
2784 	PBUS_DMAMAP pmap = (PBUS_DMAMAP)ccb->ccb_adapter;
2785 	IAL_ADAPTER_T *pAdapter = pmap->pAdapter;
2786 	struct ccb_hdr *ccb_h = &ccb->ccb_h;
2787 	struct ccb_scsiio *csio = &ccb->csio;
2788 	PVDevice	pVDev = pAdapter->VBus.pVDevice[ccb_h->target_id];
2789 
2790 	KdPrintI(("OsSendCommand: ccb %p  cdb %x-%x-%x\n",
2791 		ccb,
2792 		*(ULONG *)&ccb->csio.cdb_io.cdb_bytes[0],
2793 		*(ULONG *)&ccb->csio.cdb_io.cdb_bytes[4],
2794 		*(ULONG *)&ccb->csio.cdb_io.cdb_bytes[8]
2795 	));
2796 
2797 	pAdapter->outstandingCommands++;
2798 
2799 	if (pVDev == NULL || pVDev->vf_online == 0) {
2800 		ccb->ccb_h.status = CAM_REQ_INVALID;
2801 		ccb_done(ccb);
2802 		goto Command_Complished;
2803 	}
2804 
2805 	switch(ccb->csio.cdb_io.cdb_bytes[0])
2806 	{
2807 		case TEST_UNIT_READY:
2808 		case START_STOP_UNIT:
2809 		case SYNCHRONIZE_CACHE:
2810 			/* FALLTHROUGH */
2811 			ccb->ccb_h.status = CAM_REQ_CMP;
2812 			break;
2813 
2814 		case INQUIRY:
2815 			ZeroMemory(ccb->csio.data_ptr, ccb->csio.dxfer_len);
2816 			SetInquiryData((PINQUIRYDATA)ccb->csio.data_ptr, pVDev);
2817 			ccb_h->status = CAM_REQ_CMP;
2818 			break;
2819 
2820 		case READ_CAPACITY:
2821 		{
2822 			UCHAR *rbuf=csio->data_ptr;
2823 			unsigned int cap;
2824 
2825 			if (pVDev->VDeviceCapacity > 0xfffffffful) {
2826 				cap = 0xfffffffful;
2827 			} else {
2828 				cap = pVDev->VDeviceCapacity - 1;
2829 			}
2830 
2831 			rbuf[0] = (UCHAR)(cap>>24);
2832 			rbuf[1] = (UCHAR)(cap>>16);
2833 			rbuf[2] = (UCHAR)(cap>>8);
2834 			rbuf[3] = (UCHAR)cap;
2835 			/* Claim 512 byte blocks (big-endian). */
2836 			rbuf[4] = 0;
2837 			rbuf[5] = 0;
2838 			rbuf[6] = 2;
2839 			rbuf[7] = 0;
2840 
2841 			ccb_h->status = CAM_REQ_CMP;
2842 			break;
2843 		}
2844 
2845 		case 0x9e: /*SERVICE_ACTION_IN*/
2846 		{
2847 			UCHAR *rbuf = csio->data_ptr;
2848 			LBA_T cap = pVDev->VDeviceCapacity - 1;
2849 
2850 			rbuf[0] = (UCHAR)(cap>>56);
2851 			rbuf[1] = (UCHAR)(cap>>48);
2852 			rbuf[2] = (UCHAR)(cap>>40);
2853 			rbuf[3] = (UCHAR)(cap>>32);
2854 			rbuf[4] = (UCHAR)(cap>>24);
2855 			rbuf[5] = (UCHAR)(cap>>16);
2856 			rbuf[6] = (UCHAR)(cap>>8);
2857 			rbuf[7] = (UCHAR)cap;
2858 			rbuf[8] = 0;
2859 			rbuf[9] = 0;
2860 			rbuf[10] = 2;
2861 			rbuf[11] = 0;
2862 
2863 			ccb_h->status = CAM_REQ_CMP;
2864 			break;
2865 		}
2866 
2867 		case READ_6:
2868 		case WRITE_6:
2869 		case READ_10:
2870 		case WRITE_10:
2871 		case 0x88: /* READ_16 */
2872 		case 0x8a: /* WRITE_16 */
2873 		case 0x13:
2874 		case 0x2f:
2875 		{
2876 			UCHAR Cdb[16];
2877 			UCHAR CdbLength;
2878 			_VBUS_INST(pVDev->pVBus)
2879 			PCommand pCmd = AllocateCommand(_VBUS_P0);
2880 			HPT_ASSERT(pCmd);
2881 
2882 			CdbLength = csio->cdb_len;
2883 			if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0)
2884 			{
2885 				if ((ccb->ccb_h.flags & CAM_CDB_PHYS) == 0)
2886 				{
2887 					bcopy(csio->cdb_io.cdb_ptr, Cdb, CdbLength);
2888 				}
2889 				else
2890 				{
2891 					KdPrintE(("ERROR!!!\n"));
2892 					ccb->ccb_h.status = CAM_REQ_INVALID;
2893 					break;
2894 				}
2895 			}
2896 			else
2897 			{
2898 				bcopy(csio->cdb_io.cdb_bytes, Cdb, CdbLength);
2899 			}
2900 
2901 			pCmd->pOrgCommand = ccb;
2902 			pCmd->pVDevice = pVDev;
2903 			pCmd->pfnCompletion = fOsCommandDone;
2904 			pCmd->pfnBuildSgl = fOsBuildSgl;
2905 			pCmd->pSgTable = pmap->psg;
2906 
2907 			switch (Cdb[0])
2908 			{
2909 				case READ_6:
2910 				case WRITE_6:
2911 				case 0x13:
2912 					pCmd->uCmd.Ide.Lba =  ((ULONG)Cdb[1] << 16) | ((ULONG)Cdb[2] << 8) | (ULONG)Cdb[3];
2913 					pCmd->uCmd.Ide.nSectors = (USHORT) Cdb[4];
2914 					break;
2915 
2916 				case 0x88: /* READ_16 */
2917 				case 0x8a: /* WRITE_16 */
2918 					pCmd->uCmd.Ide.Lba =
2919 						(HPT_U64)Cdb[2] << 56 |
2920 						(HPT_U64)Cdb[3] << 48 |
2921 						(HPT_U64)Cdb[4] << 40 |
2922 						(HPT_U64)Cdb[5] << 32 |
2923 						(HPT_U64)Cdb[6] << 24 |
2924 						(HPT_U64)Cdb[7] << 16 |
2925 						(HPT_U64)Cdb[8] << 8 |
2926 						(HPT_U64)Cdb[9];
2927 					pCmd->uCmd.Ide.nSectors = (USHORT)Cdb[12] << 8 | (USHORT)Cdb[13];
2928 					break;
2929 
2930 				default:
2931 					pCmd->uCmd.Ide.Lba = (ULONG)Cdb[5] | ((ULONG)Cdb[4] << 8) | ((ULONG)Cdb[3] << 16) | ((ULONG)Cdb[2] << 24);
2932 					pCmd->uCmd.Ide.nSectors = (USHORT) Cdb[8] | ((USHORT)Cdb[7]<<8);
2933 					break;
2934 			}
2935 
2936 			switch (Cdb[0])
2937 			{
2938 				case READ_6:
2939 				case READ_10:
2940 				case 0x88: /* READ_16 */
2941 					pCmd->uCmd.Ide.Command = IDE_COMMAND_READ;
2942 					pCmd->cf_data_in = 1;
2943 					break;
2944 
2945 				case WRITE_6:
2946 				case WRITE_10:
2947 				case 0x8a: /* WRITE_16 */
2948 					pCmd->uCmd.Ide.Command = IDE_COMMAND_WRITE;
2949 					pCmd->cf_data_out = 1;
2950 					break;
2951 				case 0x13:
2952 				case 0x2f:
2953 					pCmd->uCmd.Ide.Command = IDE_COMMAND_VERIFY;
2954 					break;
2955 			}
2956 /*///////////////////////// */
2957 			if (ccb->ccb_h.flags & CAM_SCATTER_VALID) {
2958 				int idx;
2959 				bus_dma_segment_t *sgList = (bus_dma_segment_t *)ccb->csio.data_ptr;
2960 
2961 				if (ccb->ccb_h.flags & CAM_SG_LIST_PHYS)
2962 					pCmd->cf_physical_sg = 1;
2963 
2964 				for (idx = 0; idx < ccb->csio.sglist_cnt; idx++) {
2965 					pCmd->pSgTable[idx].dSgAddress = (ULONG_PTR)(UCHAR *)sgList[idx].ds_addr;
2966 					pCmd->pSgTable[idx].wSgSize = sgList[idx].ds_len;
2967 					pCmd->pSgTable[idx].wSgFlag= (idx==ccb->csio.sglist_cnt-1)?SG_FLAG_EOT: 0;
2968 				}
2969 
2970 				ccb->ccb_h.timeout_ch = timeout(hpt_timeout, (caddr_t)ccb, 20*hz);
2971 				pVDev->pfnSendCommand(_VBUS_P pCmd);
2972 			}
2973 			else {
2974 				int error;
2975 				pCmd->cf_physical_sg = 1;
2976 				error = bus_dmamap_load(pAdapter->io_dma_parent,
2977 							pmap->dma_map,
2978 							ccb->csio.data_ptr, ccb->csio.dxfer_len,
2979 							hpt_io_dmamap_callback, pCmd,
2980 					    		BUS_DMA_WAITOK
2981 						);
2982 				KdPrint(("bus_dmamap_load return %d\n", error));
2983 				if (error && error!=EINPROGRESS) {
2984 					hpt_printk(("bus_dmamap_load error %d\n", error));
2985 					FreeCommand(_VBUS_P pCmd);
2986 					ccb->ccb_h.status = CAM_REQ_CMP_ERR;
2987 					dmamap_put(pmap);
2988 					pAdapter->outstandingCommands--;
2989 					xpt_done(ccb);
2990 				}
2991 			}
2992 			goto Command_Complished;
2993 		}
2994 
2995 		default:
2996 			ccb->ccb_h.status = CAM_REQ_INVALID;
2997 			break;
2998 	}
2999 	ccb_done(ccb);
3000 Command_Complished:
3001 	CheckPendingCall(_VBUS_P0);
3002 	return;
3003 }
3004 
3005 static void HPTLIBAPI
3006 fOsCommandDone(_VBUS_ARG PCommand pCmd)
3007 {
3008 	union ccb *ccb = pCmd->pOrgCommand;
3009 	PBUS_DMAMAP pmap = (PBUS_DMAMAP)ccb->ccb_adapter;
3010 	IAL_ADAPTER_T *pAdapter = pmap->pAdapter;
3011 
3012 	KdPrint(("fOsCommandDone(pcmd=%p, result=%d)\n", pCmd, pCmd->Result));
3013 
3014 	untimeout(hpt_timeout, (caddr_t)ccb, ccb->ccb_h.timeout_ch);
3015 
3016 	switch(pCmd->Result) {
3017 	case RETURN_SUCCESS:
3018 		ccb->ccb_h.status = CAM_REQ_CMP;
3019 		break;
3020 	case RETURN_BAD_DEVICE:
3021 		ccb->ccb_h.status = CAM_DEV_NOT_THERE;
3022 		break;
3023 	case RETURN_DEVICE_BUSY:
3024 		ccb->ccb_h.status = CAM_BUSY;
3025 		break;
3026 	case RETURN_INVALID_REQUEST:
3027 		ccb->ccb_h.status = CAM_REQ_INVALID;
3028 		break;
3029 	case RETURN_SELECTION_TIMEOUT:
3030 		ccb->ccb_h.status = CAM_SEL_TIMEOUT;
3031 		break;
3032 	case RETURN_RETRY:
3033 		ccb->ccb_h.status = CAM_BUSY;
3034 		break;
3035 	default:
3036 		ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR;
3037 		break;
3038 	}
3039 
3040 	if (pCmd->cf_data_in) {
3041 		bus_dmamap_sync(pAdapter->io_dma_parent, pmap->dma_map, BUS_DMASYNC_POSTREAD);
3042 	}
3043 	else if (pCmd->cf_data_in) {
3044 		bus_dmamap_sync(pAdapter->io_dma_parent, pmap->dma_map, BUS_DMASYNC_POSTWRITE);
3045 	}
3046 
3047 	bus_dmamap_unload(pAdapter->io_dma_parent, pmap->dma_map);
3048 
3049 	FreeCommand(_VBUS_P pCmd);
3050 	ccb_done(ccb);
3051 }
3052 
3053 int
3054 hpt_queue_dpc(HPT_DPC dpc, IAL_ADAPTER_T * pAdapter, void *arg, UCHAR flags)
3055 {
3056 	int p;
3057 
3058 	p = (DpcQueue_Last + 1) % MAX_DPC;
3059 	if (p==DpcQueue_First) {
3060 		KdPrint(("DPC Queue full!\n"));
3061 		return -1;
3062 	}
3063 
3064 	DpcQueue[DpcQueue_Last].dpc = dpc;
3065 	DpcQueue[DpcQueue_Last].pAdapter = pAdapter;
3066 	DpcQueue[DpcQueue_Last].arg = arg;
3067 	DpcQueue[DpcQueue_Last].flags = flags;
3068 	DpcQueue_Last = p;
3069 
3070 	return 0;
3071 }
3072 
3073 #ifdef _RAID5N_
3074 /*
3075  * Allocate memory above 16M, otherwise we may eat all low memory for ISA devices.
3076  * How about the memory for 5081 request/response array and PRD table?
3077  */
3078 void
3079 *os_alloc_page(_VBUS_ARG0)
3080 {
3081 	return (void *)contigmalloc(0x1000, M_DEVBUF, M_NOWAIT, 0x1000000, 0xffffffff, PAGE_SIZE, 0ul);
3082 }
3083 
3084 void
3085 *os_alloc_dma_page(_VBUS_ARG0)
3086 {
3087 	return (void *)contigmalloc(0x1000, M_DEVBUF, M_NOWAIT, 0x1000000, 0xffffffff, PAGE_SIZE, 0ul);
3088 }
3089 
3090 void
3091 os_free_page(_VBUS_ARG void *p)
3092 {
3093 	contigfree(p, 0x1000, M_DEVBUF);
3094 }
3095 
3096 void
3097 os_free_dma_page(_VBUS_ARG void *p)
3098 {
3099 	contigfree(p, 0x1000, M_DEVBUF);
3100 }
3101 
3102 void
3103 DoXor1(ULONG *p0, ULONG *p1, ULONG *p2, UINT nBytes)
3104 {
3105 	UINT i;
3106 	for (i = 0; i < nBytes / 4; i++) *p0++ = *p1++ ^ *p2++;
3107 }
3108 
3109 void
3110 DoXor2(ULONG *p0, ULONG *p2, UINT nBytes)
3111 {
3112 	UINT i;
3113 	for (i = 0; i < nBytes / 4; i++) *p0++ ^= *p2++;
3114 }
3115 #endif
3116