xref: /freebsd/sys/dev/hptmv/entry.c (revision 2a664c03e55254b0f3b32dcdfc78179c0a57a8d2)
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 
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
29 
30 #include <sys/param.h>
31 #include <sys/systm.h>
32 #include <sys/kernel.h>
33 #include <sys/bus.h>
34 #include <sys/malloc.h>
35 #include <sys/resource.h>
36 #include <sys/time.h>
37 #include <sys/callout.h>
38 #include <sys/signalvar.h>
39 #include <sys/eventhandler.h>
40 #include <sys/proc.h>
41 #include <sys/kthread.h>
42 
43 #if (__FreeBSD_version >= 500000)
44 #include <sys/mutex.h>
45 #include <sys/module.h>
46 #endif
47 
48 #if (__FreeBSD_version >= 500000)
49 #include <dev/pci/pcireg.h>
50 #include <dev/pci/pcivar.h>
51 #else
52 #include <pci/pcireg.h>
53 #include <pci/pcivar.h>
54 #include <sys/wait.h>
55 #include <sys/sysproto.h>
56 #endif
57 
58 #ifndef __KERNEL__
59 #define __KERNEL__
60 #endif
61 
62 #include <dev/hptmv/global.h>
63 #include <dev/hptmv/hptintf.h>
64 #include <dev/hptmv/osbsd.h>
65 #include <dev/hptmv/access601.h>
66 
67 
68 #ifdef DEBUG
69 #ifdef DEBUG_LEVEL
70 int hpt_dbg_level = DEBUG_LEVEL;
71 #else
72 int hpt_dbg_level = 0;
73 #endif
74 #endif
75 
76 #define MV_ERROR printf
77 
78 /*
79  * CAM SIM entry points
80  */
81 static int 	hpt_probe (device_t dev);
82 static void launch_worker_thread(void);
83 static int 	hpt_attach(device_t dev);
84 static int 	hpt_detach(device_t dev);
85 static int 	hpt_shutdown(device_t dev);
86 static void hpt_poll(struct cam_sim *sim);
87 static void hpt_intr(void *arg);
88 static void hpt_async(void *callback_arg, u_int32_t code, struct cam_path *path, void *arg);
89 static void hpt_action(struct cam_sim *sim, union ccb *ccb);
90 
91 static device_method_t driver_methods[] = {
92 	/* Device interface */
93 	DEVMETHOD(device_probe,		hpt_probe),
94 	DEVMETHOD(device_attach,	hpt_attach),
95 	DEVMETHOD(device_detach,	hpt_detach),
96 
97 	DEVMETHOD(device_shutdown,	hpt_shutdown),
98 	DEVMETHOD_END
99 };
100 
101 static driver_t hpt_pci_driver = {
102 	__str(PROC_DIR_NAME),
103 	driver_methods,
104 	sizeof(IAL_ADAPTER_T)
105 };
106 
107 static devclass_t	hpt_devclass;
108 
109 #define __DRIVER_MODULE(p1, p2, p3, p4, p5, p6) DRIVER_MODULE(p1, p2, p3, p4, p5, p6)
110 __DRIVER_MODULE(PROC_DIR_NAME, pci, hpt_pci_driver, hpt_devclass, 0, 0);
111 MODULE_DEPEND(PROC_DIR_NAME, cam, 1, 1, 1);
112 
113 #define ccb_ccb_ptr spriv_ptr0
114 #define ccb_adapter ccb_h.spriv_ptr1
115 
116 static void SetInquiryData(PINQUIRYDATA inquiryData, PVDevice pVDev);
117 static void HPTLIBAPI OsSendCommand (_VBUS_ARG union ccb * ccb);
118 static void HPTLIBAPI fOsCommandDone(_VBUS_ARG PCommand pCmd);
119 static void ccb_done(union ccb *ccb);
120 static void hpt_queue_ccb(union ccb **ccb_Q, union ccb *ccb);
121 static void hpt_free_ccb(union ccb **ccb_Q, union ccb *ccb);
122 static void	hptmv_free_edma_queues(IAL_ADAPTER_T *pAdapter);
123 static void	hptmv_free_channel(IAL_ADAPTER_T *pAdapter, MV_U8 channelNum);
124 static void	handleEdmaError(_VBUS_ARG PCommand pCmd);
125 static int	hptmv_init_channel(IAL_ADAPTER_T *pAdapter, MV_U8 channelNum);
126 static int	fResetActiveCommands(PVBus _vbus_p);
127 static void	fRegisterVdevice(IAL_ADAPTER_T *pAdapter);
128 static int	hptmv_allocate_edma_queues(IAL_ADAPTER_T *pAdapter);
129 static void	hptmv_handle_event_disconnect(void *data);
130 static void	hptmv_handle_event_connect(void *data);
131 static int	start_channel(IAL_ADAPTER_T *pAdapter, MV_U8 channelNum);
132 static void	init_vdev_params(IAL_ADAPTER_T *pAdapter, MV_U8 channel);
133 static int	hptmv_parse_identify_results(MV_SATA_CHANNEL *pMvSataChannel);
134 static int HPTLIBAPI fOsBuildSgl(_VBUS_ARG PCommand pCmd, FPSCAT_GATH pSg,
135     int logical);
136 static MV_BOOLEAN CommandCompletionCB(MV_SATA_ADAPTER *pMvSataAdapter,
137     MV_U8 channelNum, MV_COMPLETION_TYPE comp_type, MV_VOID_PTR commandId,
138     MV_U16 responseFlags, MV_U32 timeStamp,
139     MV_STORAGE_DEVICE_REGISTERS *registerStruct);
140 static MV_BOOLEAN hptmv_event_notify(MV_SATA_ADAPTER *pMvSataAdapter,
141     MV_EVENT_TYPE eventType, MV_U32 param1, MV_U32 param2);
142 
143 #define ccb_ccb_ptr spriv_ptr0
144 #define ccb_adapter ccb_h.spriv_ptr1
145 
146 IAL_ADAPTER_T *gIal_Adapter = 0;
147 IAL_ADAPTER_T *pCurAdapter = 0;
148 static MV_SATA_CHANNEL gMvSataChannels[MAX_VBUS][MV_SATA_CHANNELS_NUM];
149 
150 typedef struct st_HPT_DPC {
151 	IAL_ADAPTER_T *pAdapter;
152 	void (*dpc)(IAL_ADAPTER_T *, void *, UCHAR);
153 	void *arg;
154 	UCHAR flags;
155 } ST_HPT_DPC;
156 
157 #define MAX_DPC 16
158 UCHAR DPC_Request_Nums = 0;
159 static ST_HPT_DPC DpcQueue[MAX_DPC];
160 static int DpcQueue_First=0;
161 static int DpcQueue_Last = 0;
162 
163 char DRIVER_VERSION[] = "v1.16";
164 
165 #if (__FreeBSD_version >= 500000)
166 static struct mtx driver_lock;
167 intrmask_t lock_driver()
168 {
169 
170 	intrmask_t spl = 0;
171 	mtx_lock(&driver_lock);
172 	return spl;
173 }
174 void unlock_driver(intrmask_t spl)
175 {
176 	mtx_unlock(&driver_lock);
177 }
178 #else
179 static int driver_locked = 0;
180 intrmask_t lock_driver()
181 {
182 	intrmask_t spl = splcam();
183 loop:
184 	while (driver_locked)
185 		tsleep(&driver_locked, PRIBIO, "hptlck", hz);
186 	atomic_add_int(&driver_locked, 1);
187 	if (driver_locked>1) {
188 		atomic_subtract_int(&driver_locked, 1);
189 		goto loop;
190 	}
191 	return spl;
192 }
193 
194 void unlock_driver(intrmask_t spl)
195 {
196 	atomic_subtract_int(&driver_locked, 1);
197 	if (driver_locked==0) {
198 		wakeup(&driver_locked);
199 	}
200 	splx(spl);
201 }
202 #endif
203 
204 /*******************************************************************************
205  *	Name:	hptmv_free_channel
206  *
207  *	Description:	free allocated queues for the given channel
208  *
209  *	Parameters:    	pMvSataAdapter - pointer to the RR18xx controler this
210  * 					channel connected to.
211  *			channelNum - channel number.
212  *
213  ******************************************************************************/
214 static void
215 hptmv_free_channel(IAL_ADAPTER_T *pAdapter, MV_U8 channelNum)
216 {
217 	HPT_ASSERT(channelNum < MV_SATA_CHANNELS_NUM);
218 	pAdapter->mvSataAdapter.sataChannel[channelNum] = NULL;
219 }
220 
221 static void failDevice(PVDevice pVDev)
222 {
223 	PVBus _vbus_p = pVDev->pVBus;
224 	IAL_ADAPTER_T *pAdapter = (IAL_ADAPTER_T *)_vbus_p->OsExt;
225 
226 	pVDev->u.disk.df_on_line = 0;
227 	pVDev->vf_online = 0;
228 	if (pVDev->pfnDeviceFailed)
229 		CallWhenIdle(_VBUS_P (DPC_PROC)pVDev->pfnDeviceFailed, pVDev);
230 
231 	fNotifyGUI(ET_DEVICE_REMOVED, pVDev);
232 
233 #ifndef FOR_DEMO
234 	if (pAdapter->ver_601==2 && !pAdapter->beeping) {
235 		pAdapter->beeping = 1;
236 		BeepOn(pAdapter->mvSataAdapter.adapterIoBaseAddress);
237 		set_fail_led(&pAdapter->mvSataAdapter, pVDev->u.disk.mv->channelNumber, 1);
238 	}
239 #endif
240 }
241 
242 int MvSataResetChannel(MV_SATA_ADAPTER *pMvSataAdapter, MV_U8 channel);
243 
244 static void
245 handleEdmaError(_VBUS_ARG PCommand pCmd)
246 {
247 	PDevice pDevice = &pCmd->pVDevice->u.disk;
248 	MV_SATA_ADAPTER * pSataAdapter = pDevice->mv->mvSataAdapter;
249 
250 	if (!pDevice->df_on_line) {
251 		KdPrint(("Device is offline"));
252 		pCmd->Result = RETURN_BAD_DEVICE;
253 		CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
254 		return;
255 	}
256 
257 	if (pCmd->RetryCount++>5) {
258 		hpt_printk(("too many retries on channel(%d)\n", pDevice->mv->channelNumber));
259 failed:
260 		failDevice(pCmd->pVDevice);
261 		pCmd->Result = RETURN_IDE_ERROR;
262 		CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
263 		return;
264 	}
265 
266 	/* reset the channel and retry the command */
267 	if (MvSataResetChannel(pSataAdapter, pDevice->mv->channelNumber))
268 		goto failed;
269 
270 	fNotifyGUI(ET_DEVICE_ERROR, Map2pVDevice(pDevice));
271 
272 	hpt_printk(("Retry on channel(%d)\n", pDevice->mv->channelNumber));
273 	fDeviceSendCommand(_VBUS_P pCmd);
274 }
275 
276 /****************************************************************
277  *	Name:	hptmv_init_channel
278  *
279  *	Description:	allocate request and response queues for the EDMA of the
280  *					given channel and sets other fields.
281  *
282  *	Parameters:
283  *		pAdapter - pointer to the emulated adapter data structure
284  *		channelNum - channel number.
285  *	Return:	0 on success, otherwise on failure
286  ****************************************************************/
287 static int
288 hptmv_init_channel(IAL_ADAPTER_T *pAdapter, MV_U8 channelNum)
289 {
290 	MV_SATA_CHANNEL *pMvSataChannel;
291 	dma_addr_t    req_dma_addr;
292 	dma_addr_t    rsp_dma_addr;
293 
294 	if (channelNum >= MV_SATA_CHANNELS_NUM)
295 	{
296 		MV_ERROR("RR18xx[%d]: Bad channelNum=%d",
297 				 pAdapter->mvSataAdapter.adapterId, channelNum);
298 		return -1;
299 	}
300 
301 	pMvSataChannel = &gMvSataChannels[pAdapter->mvSataAdapter.adapterId][channelNum];
302 	pAdapter->mvSataAdapter.sataChannel[channelNum] = pMvSataChannel;
303 	pMvSataChannel->channelNumber = channelNum;
304 	pMvSataChannel->lba48Address = MV_FALSE;
305 	pMvSataChannel->maxReadTransfer = MV_FALSE;
306 
307 	pMvSataChannel->requestQueue = (struct mvDmaRequestQueueEntry *)
308 								   (pAdapter->requestsArrayBaseAlignedAddr + (channelNum * MV_EDMA_REQUEST_QUEUE_SIZE));
309 	req_dma_addr = pAdapter->requestsArrayBaseDmaAlignedAddr + (channelNum * MV_EDMA_REQUEST_QUEUE_SIZE);
310 
311 
312 	KdPrint(("requestQueue addr is 0x%llX", (HPT_U64)(ULONG_PTR)req_dma_addr));
313 
314 	/* check the 1K alignment of the request queue*/
315 	if (req_dma_addr & 0x3ff)
316 	{
317 		MV_ERROR("RR18xx[%d]: request queue allocated isn't 1 K aligned,"
318 				 " dma_addr=%llx channel=%d\n", pAdapter->mvSataAdapter.adapterId,
319 				 (HPT_U64)(ULONG_PTR)req_dma_addr, channelNum);
320 		return -1;
321 	}
322 	pMvSataChannel->requestQueuePciLowAddress = req_dma_addr;
323 	pMvSataChannel->requestQueuePciHiAddress = 0;
324 	KdPrint(("RR18xx[%d,%d]: request queue allocated: 0x%p",
325 			  pAdapter->mvSataAdapter.adapterId, channelNum,
326 			  pMvSataChannel->requestQueue));
327 	pMvSataChannel->responseQueue = (struct mvDmaResponseQueueEntry *)
328 									(pAdapter->responsesArrayBaseAlignedAddr + (channelNum * MV_EDMA_RESPONSE_QUEUE_SIZE));
329 	rsp_dma_addr = pAdapter->responsesArrayBaseDmaAlignedAddr + (channelNum * MV_EDMA_RESPONSE_QUEUE_SIZE);
330 
331 	/* check the 256 alignment of the response queue*/
332 	if (rsp_dma_addr & 0xff)
333 	{
334 		MV_ERROR("RR18xx[%d,%d]: response queue allocated isn't 256 byte "
335 				 "aligned, dma_addr=%llx\n",
336 				 pAdapter->mvSataAdapter.adapterId, channelNum, (HPT_U64)(ULONG_PTR)rsp_dma_addr);
337 		return -1;
338 	}
339 	pMvSataChannel->responseQueuePciLowAddress = rsp_dma_addr;
340 	pMvSataChannel->responseQueuePciHiAddress = 0;
341 	KdPrint(("RR18xx[%d,%d]: response queue allocated: 0x%p",
342 			  pAdapter->mvSataAdapter.adapterId, channelNum,
343 			  pMvSataChannel->responseQueue));
344 
345 	pAdapter->mvChannel[channelNum].online = MV_TRUE;
346 	return 0;
347 }
348 
349 /******************************************************************************
350  *	Name: hptmv_parse_identify_results
351  *
352  *	Description:	this functions parses the identify command results, checks
353  *					that the connected deives can be accesed by RR18xx EDMA,
354  *					and updates the channel stucture accordingly.
355  *
356  *	Parameters:     pMvSataChannel, pointer to the channel data structure.
357  *
358  *	Returns:       	=0 ->success, < 0 ->failure.
359  *
360  ******************************************************************************/
361 static int
362 hptmv_parse_identify_results(MV_SATA_CHANNEL *pMvSataChannel)
363 {
364 	MV_U16  *iden = pMvSataChannel->identifyDevice;
365 
366 	/*LBA addressing*/
367 	if (! (iden[IDEN_CAPACITY_1_OFFSET] & 0x200))
368 	{
369 		KdPrint(("IAL Error in IDENTIFY info: LBA not supported\n"));
370 		return -1;
371 	}
372 	else
373 	{
374 		KdPrint(("%25s - %s\n", "Capabilities", "LBA supported"));
375 	}
376 	/*DMA support*/
377 	if (! (iden[IDEN_CAPACITY_1_OFFSET] & 0x100))
378 	{
379 		KdPrint(("IAL Error in IDENTIFY info: DMA not supported\n"));
380 		return -1;
381 	}
382 	else
383 	{
384 		KdPrint(("%25s - %s\n", "Capabilities", "DMA supported"));
385 	}
386 	/* PIO */
387 	if ((iden[IDEN_VALID] & 2) == 0)
388 	{
389 		KdPrint(("IAL Error in IDENTIFY info: not able to find PIO mode\n"));
390 		return -1;
391 	}
392 	KdPrint(("%25s - 0x%02x\n", "PIO modes supported",
393 			  iden[IDEN_PIO_MODE_SPPORTED] & 0xff));
394 
395 	/*UDMA*/
396 	if ((iden[IDEN_VALID] & 4) == 0)
397 	{
398 		KdPrint(("IAL Error in IDENTIFY info: not able to find UDMA mode\n"));
399 		return -1;
400 	}
401 
402 	/* 48 bit address */
403 	if ((iden[IDEN_SUPPORTED_COMMANDS2] & 0x400))
404 	{
405 		KdPrint(("%25s - %s\n", "LBA48 addressing", "supported"));
406 		pMvSataChannel->lba48Address = MV_TRUE;
407 	}
408 	else
409 	{
410 		KdPrint(("%25s - %s\n", "LBA48 addressing", "Not supported"));
411 		pMvSataChannel->lba48Address = MV_FALSE;
412 	}
413 	return 0;
414 }
415 
416 static void
417 init_vdev_params(IAL_ADAPTER_T *pAdapter, MV_U8 channel)
418 {
419 	PVDevice pVDev = &pAdapter->VDevices[channel];
420 	MV_SATA_CHANNEL *pMvSataChannel = pAdapter->mvSataAdapter.sataChannel[channel];
421 	MV_U16_PTR IdentifyData = pMvSataChannel->identifyDevice;
422 
423 	pMvSataChannel->outstandingCommands = 0;
424 
425 	pVDev->u.disk.mv         = pMvSataChannel;
426 	pVDev->u.disk.df_on_line = 1;
427 	pVDev->u.disk.pVBus      = &pAdapter->VBus;
428 	pVDev->pVBus             = &pAdapter->VBus;
429 
430 #ifdef SUPPORT_48BIT_LBA
431 	if (pMvSataChannel->lba48Address == MV_TRUE)
432 		pVDev->u.disk.dDeRealCapacity = ((IdentifyData[101]<<16) | IdentifyData[100]) - 1;
433 	else
434 #endif
435 	if(IdentifyData[53] & 1) {
436 	pVDev->u.disk.dDeRealCapacity =
437 	  (((IdentifyData[58]<<16 | IdentifyData[57]) < (IdentifyData[61]<<16 | IdentifyData[60])) ?
438 		  (IdentifyData[61]<<16 | IdentifyData[60]) :
439 				(IdentifyData[58]<<16 | IdentifyData[57])) - 1;
440 	} else
441 		pVDev->u.disk.dDeRealCapacity =
442 				 (IdentifyData[61]<<16 | IdentifyData[60]) - 1;
443 
444 	pVDev->u.disk.bDeUsable_Mode = pVDev->u.disk.bDeModeSetting =
445 		pAdapter->mvChannel[channel].maxPioModeSupported - MV_ATA_TRANSFER_PIO_0;
446 
447 	if (pAdapter->mvChannel[channel].maxUltraDmaModeSupported!=0xFF) {
448 		pVDev->u.disk.bDeUsable_Mode = pVDev->u.disk.bDeModeSetting =
449 			pAdapter->mvChannel[channel].maxUltraDmaModeSupported - MV_ATA_TRANSFER_UDMA_0 + 8;
450 	}
451 }
452 
453 static void device_change(IAL_ADAPTER_T *pAdapter , MV_U8 channelIndex, int plugged)
454 {
455 	PVDevice pVDev;
456 	MV_SATA_ADAPTER  *pMvSataAdapter = &pAdapter->mvSataAdapter;
457 	MV_SATA_CHANNEL  *pMvSataChannel = pMvSataAdapter->sataChannel[channelIndex];
458 
459 	if (!pMvSataChannel) return;
460 
461 	if (plugged)
462 	{
463 		pVDev = &(pAdapter->VDevices[channelIndex]);
464 		init_vdev_params(pAdapter, channelIndex);
465 
466 		pVDev->VDeviceType = pVDev->u.disk.df_atapi? VD_ATAPI :
467 			pVDev->u.disk.df_removable_drive? VD_REMOVABLE : VD_SINGLE_DISK;
468 
469 		pVDev->VDeviceCapacity = pVDev->u.disk.dDeRealCapacity-SAVE_FOR_RAID_INFO;
470 		pVDev->pfnSendCommand = pfnSendCommand[pVDev->VDeviceType];
471 		pVDev->pfnDeviceFailed = pfnDeviceFailed[pVDev->VDeviceType];
472 		pVDev->vf_online = 1;
473 
474 #ifdef SUPPORT_ARRAY
475 		if(pVDev->pParent)
476 		{
477 			int iMember;
478 			for(iMember = 0; iMember < 	pVDev->pParent->u.array.bArnMember; iMember++)
479 				if((PVDevice)pVDev->pParent->u.array.pMember[iMember] == pVDev)
480 					pVDev->pParent->u.array.pMember[iMember] = NULL;
481 			pVDev->pParent = NULL;
482 		}
483 #endif
484 		fNotifyGUI(ET_DEVICE_PLUGGED,pVDev);
485 		fCheckBootable(pVDev);
486 		RegisterVDevice(pVDev);
487 
488 #ifndef FOR_DEMO
489 		if (pAdapter->beeping) {
490 			pAdapter->beeping = 0;
491 			BeepOff(pAdapter->mvSataAdapter.adapterIoBaseAddress);
492 		}
493 #endif
494 
495 	}
496 	else
497 	{
498 		pVDev  = &(pAdapter->VDevices[channelIndex]);
499 		failDevice(pVDev);
500 	}
501 }
502 
503 static int
504 start_channel(IAL_ADAPTER_T *pAdapter, MV_U8 channelNum)
505 {
506 	MV_SATA_ADAPTER *pMvSataAdapter = &pAdapter->mvSataAdapter;
507 	MV_SATA_CHANNEL *pMvSataChannel = pMvSataAdapter->sataChannel[channelNum];
508 	MV_CHANNEL		*pChannelInfo = &(pAdapter->mvChannel[channelNum]);
509 	MV_U32          udmaMode,pioMode;
510 
511 	KdPrint(("RR18xx [%d]: start channel (%d)", pMvSataAdapter->adapterId,
512 			 channelNum));
513 
514 
515 	/* Software reset channel */
516 	if (mvStorageDevATASoftResetDevice(pMvSataAdapter, channelNum) == MV_FALSE)
517 	{
518 		MV_ERROR("RR18xx [%d,%d]: failed to perform Software reset\n",
519 				 pMvSataAdapter->adapterId, channelNum);
520 		return -1;
521 	}
522 
523 	/* Hardware reset channel */
524 	if (mvSataChannelHardReset(pMvSataAdapter, channelNum) == MV_FALSE)
525 	{
526 		/* If failed, try again - this is when trying to hardreset a channel */
527 		/* when drive is just spinning up */
528 		StallExec(5000000); /* wait 5 sec before trying again */
529 		if (mvSataChannelHardReset(pMvSataAdapter, channelNum) == MV_FALSE)
530 		{
531 			MV_ERROR("RR18xx [%d,%d]: failed to perform Hard reset\n",
532 					 pMvSataAdapter->adapterId, channelNum);
533 			return -1;
534 		}
535 	}
536 
537 	/* identify device*/
538 	if (mvStorageDevATAIdentifyDevice(pMvSataAdapter, channelNum) == MV_FALSE)
539 	{
540 		MV_ERROR("RR18xx [%d,%d]: failed to perform ATA Identify command\n"
541 				 , pMvSataAdapter->adapterId, channelNum);
542 		return -1;
543 	}
544 	if (hptmv_parse_identify_results(pMvSataChannel))
545 	{
546 		MV_ERROR("RR18xx [%d,%d]: Error in parsing ATA Identify message\n"
547 				 , pMvSataAdapter->adapterId, channelNum);
548 		return -1;
549 	}
550 
551 	/* mvStorageDevATASetFeatures */
552 	/* Disable 8 bit PIO in case CFA enabled */
553 	if (pMvSataChannel->identifyDevice[86] & 4)
554 	{
555 		KdPrint(("RR18xx [%d]: Disable 8 bit PIO (CFA enabled) \n",
556 				  pMvSataAdapter->adapterId));
557 		if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
558 									   MV_ATA_SET_FEATURES_DISABLE_8_BIT_PIO, 0,
559 									   0, 0, 0) == MV_FALSE)
560 		{
561 			MV_ERROR("RR18xx [%d]: channel %d: mvStorageDevATASetFeatures"
562 					 " failed\n", pMvSataAdapter->adapterId, channelNum);
563 			return -1;
564 		}
565 	}
566 	/* Write cache */
567 #ifdef ENABLE_WRITE_CACHE
568 	if (pMvSataChannel->identifyDevice[82] & 0x20)
569 	{
570 		if (!(pMvSataChannel->identifyDevice[85] & 0x20)) /* if not enabled by default */
571 		{
572 			if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
573 										   MV_ATA_SET_FEATURES_ENABLE_WCACHE, 0,
574 										   0, 0, 0) == MV_FALSE)
575 			{
576 				MV_ERROR("RR18xx [%d]: channel %d: mvStorageDevATASetFeatures failed\n",
577 						 pMvSataAdapter->adapterId, channelNum);
578 				return -1;
579 			}
580 		}
581 		KdPrint(("RR18xx [%d]: channel %d, write cache enabled\n",
582 				  pMvSataAdapter->adapterId, channelNum));
583 	}
584 	else
585 	{
586 		KdPrint(("RR18xx [%d]: channel %d, write cache not supported\n",
587 				  pMvSataAdapter->adapterId, channelNum));
588 	}
589 #else /* disable write cache */
590 	{
591 		if (pMvSataChannel->identifyDevice[85] & 0x20)
592 		{
593 			KdPrint(("RR18xx [%d]: channel =%d, disable write cache\n",
594 					  pMvSataAdapter->adapterId, channelNum));
595 			if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
596 										   MV_ATA_SET_FEATURES_DISABLE_WCACHE, 0,
597 										   0, 0, 0) == MV_FALSE)
598 			{
599 				MV_ERROR("RR18xx [%d]: channel %d: mvStorageDevATASetFeatures failed\n",
600 						 pMvSataAdapter->adapterId, channelNum);
601 				return -1;
602 			}
603 		}
604 		KdPrint(("RR18xx [%d]: channel=%d, write cache disabled\n",
605 				  pMvSataAdapter->adapterId, channelNum));
606 	}
607 #endif
608 
609 	/* Set transfer mode */
610 	KdPrint(("RR18xx [%d] Set transfer mode XFER_PIO_SLOW\n",
611 			  pMvSataAdapter->adapterId));
612 	if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
613 								   MV_ATA_SET_FEATURES_TRANSFER,
614 								   MV_ATA_TRANSFER_PIO_SLOW, 0, 0, 0) ==
615 		MV_FALSE)
616 	{
617 		MV_ERROR("RR18xx [%d] channel %d: Set Features failed\n",
618 				 pMvSataAdapter->adapterId, channelNum);
619 		return -1;
620 	}
621 
622 	if (pMvSataChannel->identifyDevice[IDEN_PIO_MODE_SPPORTED] & 1)
623 	{
624 		pioMode = MV_ATA_TRANSFER_PIO_4;
625 	}
626 	else if (pMvSataChannel->identifyDevice[IDEN_PIO_MODE_SPPORTED] & 2)
627 	{
628 		pioMode = MV_ATA_TRANSFER_PIO_3;
629 	}
630 	else
631 	{
632 		MV_ERROR("IAL Error in IDENTIFY info: PIO modes 3 and 4 not supported\n");
633 		pioMode = MV_ATA_TRANSFER_PIO_SLOW;
634 	}
635 
636 	KdPrint(("RR18xx [%d] Set transfer mode XFER_PIO_4\n",
637 			  pMvSataAdapter->adapterId));
638 	pAdapter->mvChannel[channelNum].maxPioModeSupported = pioMode;
639 	if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
640 								   MV_ATA_SET_FEATURES_TRANSFER,
641 								   pioMode, 0, 0, 0) == MV_FALSE)
642 	{
643 		MV_ERROR("RR18xx [%d] channel %d: Set Features failed\n",
644 				 pMvSataAdapter->adapterId, channelNum);
645 		return -1;
646 	}
647 
648 	udmaMode = MV_ATA_TRANSFER_UDMA_0;
649 	if (pMvSataChannel->identifyDevice[IDEN_UDMA_MODE] & 0x40)
650 	{
651 		udmaMode =  MV_ATA_TRANSFER_UDMA_6;
652 	}
653 	else if (pMvSataChannel->identifyDevice[IDEN_UDMA_MODE] & 0x20)
654 	{
655 		udmaMode =  MV_ATA_TRANSFER_UDMA_5;
656 	}
657 	else if (pMvSataChannel->identifyDevice[IDEN_UDMA_MODE] & 0x10)
658 	{
659 		udmaMode =  MV_ATA_TRANSFER_UDMA_4;
660 	}
661 	else if (pMvSataChannel->identifyDevice[IDEN_UDMA_MODE] & 8)
662 	{
663 		udmaMode =  MV_ATA_TRANSFER_UDMA_3;
664 	}
665 	else if (pMvSataChannel->identifyDevice[IDEN_UDMA_MODE] & 4)
666 	{
667 		udmaMode =  MV_ATA_TRANSFER_UDMA_2;
668 	}
669 
670 	KdPrint(("RR18xx [%d] Set transfer mode XFER_UDMA_%d\n",
671 			  pMvSataAdapter->adapterId, udmaMode & 0xf));
672 	pChannelInfo->maxUltraDmaModeSupported = udmaMode;
673 
674 	/*if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
675 								   MV_ATA_SET_FEATURES_TRANSFER, udmaMode,
676 								   0, 0, 0) == MV_FALSE)
677 	{
678 		MV_ERROR("RR18xx [%d] channel %d: Set Features failed\n",
679 				 pMvSataAdapter->adapterId, channelNum);
680 		return -1;
681 	}*/
682 	if (pChannelInfo->maxUltraDmaModeSupported == 0xFF)
683 		return TRUE;
684 	else
685 		do
686 		{
687 			if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
688 								   MV_ATA_SET_FEATURES_TRANSFER,
689 								   pChannelInfo->maxUltraDmaModeSupported,
690 								   0, 0, 0) == MV_FALSE)
691 			{
692 				if (pChannelInfo->maxUltraDmaModeSupported > MV_ATA_TRANSFER_UDMA_0)
693 				{
694 					if (mvStorageDevATASoftResetDevice(pMvSataAdapter, channelNum) == MV_FALSE)
695 					{
696 						MV_REG_WRITE_BYTE(pMvSataAdapter->adapterIoBaseAddress,
697 										  pMvSataChannel->eDmaRegsOffset +
698 										  0x11c, /* command reg */
699 										  MV_ATA_COMMAND_IDLE_IMMEDIATE);
700 						mvMicroSecondsDelay(10000);
701 						mvSataChannelHardReset(pMvSataAdapter, channelNum);
702 						if (mvStorageDevATASoftResetDevice(pMvSataAdapter, channelNum) == MV_FALSE)
703 							return FALSE;
704 					}
705 					if (mvSataChannelHardReset(pMvSataAdapter, channelNum) == MV_FALSE)
706 						return FALSE;
707 					pChannelInfo->maxUltraDmaModeSupported--;
708 					continue;
709 				}
710 				else   return FALSE;
711 			}
712 			break;
713 		}while (1);
714 
715 	/* Read look ahead */
716 #ifdef ENABLE_READ_AHEAD
717 	if (pMvSataChannel->identifyDevice[82] & 0x40)
718 	{
719 		if (!(pMvSataChannel->identifyDevice[85] & 0x40)) /* if not enabled by default */
720 		{
721 			if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
722 										   MV_ATA_SET_FEATURES_ENABLE_RLA, 0, 0,
723 										   0, 0) == MV_FALSE)
724 			{
725 				MV_ERROR("RR18xx [%d] channel %d: Set Features failed\n",
726 						 pMvSataAdapter->adapterId, channelNum);
727 				return -1;
728 			}
729 		}
730 		KdPrint(("RR18xx [%d]: channel=%d, read look ahead enabled\n",
731 				  pMvSataAdapter->adapterId, channelNum));
732 	}
733 	else
734 	{
735 		KdPrint(("RR18xx [%d]: channel %d, Read Look Ahead not supported\n",
736 				  pMvSataAdapter->adapterId, channelNum));
737 	}
738 #else
739 	{
740 		if (pMvSataChannel->identifyDevice[86] & 0x20)
741 		{
742 			KdPrint(("RR18xx [%d]:channel %d, disable read look ahead\n",
743 					  pMvSataAdapter->adapterId, channelNum));
744 			if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
745 										   MV_ATA_SET_FEATURES_DISABLE_RLA, 0, 0,
746 										   0, 0) == MV_FALSE)
747 			{
748 				MV_ERROR("RR18xx [%d]:channel %d:  ATA Set Features failed\n",
749 						 pMvSataAdapter->adapterId, channelNum);
750 				return -1;
751 			}
752 		}
753 		KdPrint(("RR18xx [%d]:channel %d, read look ahead disabled\n",
754 				  pMvSataAdapter->adapterId, channelNum));
755 	}
756 #endif
757 
758 
759 	{
760 		KdPrint(("RR18xx [%d]: channel %d config EDMA, Non Queued Mode\n",
761 				  pMvSataAdapter->adapterId,
762 				  channelNum));
763 		if (mvSataConfigEdmaMode(pMvSataAdapter, channelNum,
764 								 MV_EDMA_MODE_NOT_QUEUED, 0) == MV_FALSE)
765 		{
766 			MV_ERROR("RR18xx [%d] channel %d Error: mvSataConfigEdmaMode failed\n",
767 					 pMvSataAdapter->adapterId, channelNum);
768 			return -1;
769 		}
770 	}
771 	/* Enable EDMA */
772 	if (mvSataEnableChannelDma(pMvSataAdapter, channelNum) == MV_FALSE)
773 	{
774 		MV_ERROR("RR18xx [%d] Failed to enable DMA, channel=%d\n",
775 				 pMvSataAdapter->adapterId, channelNum);
776 		return -1;
777 	}
778 	MV_ERROR("RR18xx [%d,%d]: channel started successfully\n",
779 			 pMvSataAdapter->adapterId, channelNum);
780 
781 #ifndef FOR_DEMO
782 	set_fail_led(pMvSataAdapter, channelNum, 0);
783 #endif
784 	return 0;
785 }
786 
787 static void
788 hptmv_handle_event(void * data, int flag)
789 {
790 	IAL_ADAPTER_T   *pAdapter = (IAL_ADAPTER_T *)data;
791 	MV_SATA_ADAPTER *pMvSataAdapter = &pAdapter->mvSataAdapter;
792 	MV_U8           channelIndex;
793 
794 /*	mvOsSemTake(&pMvSataAdapter->semaphore); */
795 	for (channelIndex = 0; channelIndex < MV_SATA_CHANNELS_NUM; channelIndex++)
796 	{
797 		switch(pAdapter->sataEvents[channelIndex])
798 		{
799 			case SATA_EVENT_CHANNEL_CONNECTED:
800 				/* Handle only connects */
801 				if (flag == 1)
802 					break;
803 				KdPrint(("RR18xx [%d,%d]: new device connected\n",
804 						 pMvSataAdapter->adapterId, channelIndex));
805 				hptmv_init_channel(pAdapter, channelIndex);
806 				if (mvSataConfigureChannel( pMvSataAdapter, channelIndex) == MV_FALSE)
807 				{
808 					MV_ERROR("RR18xx [%d,%d] Failed to configure\n",
809 							 pMvSataAdapter->adapterId, channelIndex);
810 					hptmv_free_channel(pAdapter, channelIndex);
811 				}
812 				else
813 				{
814 					/*mvSataChannelHardReset(pMvSataAdapter, channel);*/
815 					if (start_channel( pAdapter, channelIndex))
816 					{
817 						MV_ERROR("RR18xx [%d,%d]Failed to start channel\n",
818 								 pMvSataAdapter->adapterId, channelIndex);
819 						hptmv_free_channel(pAdapter, channelIndex);
820 					}
821 					else
822 					{
823 						device_change(pAdapter, channelIndex, TRUE);
824 					}
825 				}
826 				pAdapter->sataEvents[channelIndex] = SATA_EVENT_NO_CHANGE;
827 			   break;
828 
829 			case SATA_EVENT_CHANNEL_DISCONNECTED:
830 				/* Handle only disconnects */
831 				if (flag == 0)
832 					break;
833 				KdPrint(("RR18xx [%d,%d]: device disconnected\n",
834 						 pMvSataAdapter->adapterId, channelIndex));
835 					/* Flush pending commands */
836 				if(pMvSataAdapter->sataChannel[channelIndex])
837 				{
838 					_VBUS_INST(&pAdapter->VBus)
839 					mvSataFlushDmaQueue (pMvSataAdapter, channelIndex,
840 										 MV_FLUSH_TYPE_CALLBACK);
841 					CheckPendingCall(_VBUS_P0);
842 					mvSataRemoveChannel(pMvSataAdapter,channelIndex);
843 					hptmv_free_channel(pAdapter, channelIndex);
844 					pMvSataAdapter->sataChannel[channelIndex] = NULL;
845 					KdPrint(("RR18xx [%d,%d]: channel removed\n",
846 						 pMvSataAdapter->adapterId, channelIndex));
847 					if (pAdapter->outstandingCommands==0 && DPC_Request_Nums==0)
848 						Check_Idle_Call(pAdapter);
849 				}
850 				else
851 				{
852 					KdPrint(("RR18xx [%d,%d]: channel already removed!!\n",
853 							 pMvSataAdapter->adapterId, channelIndex));
854 				}
855 				pAdapter->sataEvents[channelIndex] = SATA_EVENT_NO_CHANGE;
856 				break;
857 
858 			case SATA_EVENT_NO_CHANGE:
859 				break;
860 
861 			default:
862 				break;
863 		}
864 	}
865 /*	mvOsSemRelease(&pMvSataAdapter->semaphore); */
866 }
867 
868 #define EVENT_CONNECT					1
869 #define EVENT_DISCONNECT				0
870 
871 static void
872 hptmv_handle_event_connect(void *data)
873 {
874   hptmv_handle_event (data, 0);
875 }
876 
877 static void
878 hptmv_handle_event_disconnect(void *data)
879 {
880   hptmv_handle_event (data, 1);
881 }
882 
883 static MV_BOOLEAN
884 hptmv_event_notify(MV_SATA_ADAPTER *pMvSataAdapter, MV_EVENT_TYPE eventType,
885 								   MV_U32 param1, MV_U32 param2)
886 {
887 	IAL_ADAPTER_T   *pAdapter = pMvSataAdapter->IALData;
888 
889 	switch (eventType)
890 	{
891 		case MV_EVENT_TYPE_SATA_CABLE:
892 			{
893 				MV_U8   channel = param2;
894 
895 				if (param1 == EVENT_CONNECT)
896 				{
897 					pAdapter->sataEvents[channel] = SATA_EVENT_CHANNEL_CONNECTED;
898 					KdPrint(("RR18xx [%d,%d]: device connected event received\n",
899 							 pMvSataAdapter->adapterId, channel));
900 					/* Delete previous timers (if multiple drives connected in the same time */
901 					pAdapter->event_timer_connect = timeout(hptmv_handle_event_connect, pAdapter, 10*hz);
902 				}
903 				else if (param1 == EVENT_DISCONNECT)
904 				{
905 					pAdapter->sataEvents[channel] = SATA_EVENT_CHANNEL_DISCONNECTED;
906 					KdPrint(("RR18xx [%d,%d]: device disconnected event received \n",
907 							 pMvSataAdapter->adapterId, channel));
908 					device_change(pAdapter, channel, FALSE);
909 					/* Delete previous timers (if multiple drives disconnected in the same time */
910 					/*pAdapter->event_timer_disconnect = timeout(hptmv_handle_event_disconnect, pAdapter, 10*hz); */
911 					/*It is not necessary to wait, handle it directly*/
912 					hptmv_handle_event_disconnect(pAdapter);
913 				}
914 				else
915 				{
916 
917 					MV_ERROR("RR18xx: illigal value for param1(%d) at "
918 							 "connect/disconect event, host=%d\n", param1,
919 							 pMvSataAdapter->adapterId );
920 
921 				}
922 			}
923 			break;
924 		case MV_EVENT_TYPE_ADAPTER_ERROR:
925 			KdPrint(("RR18xx: DEVICE error event received, pci cause "
926 					  "reg=%x,  don't how to handle this\n", param1));
927 			return MV_TRUE;
928 		default:
929 			MV_ERROR("RR18xx[%d]: unknown event type (%d)\n",
930 					 pMvSataAdapter->adapterId, eventType);
931 			return MV_FALSE;
932 	}
933 	return MV_TRUE;
934 }
935 
936 static int
937 hptmv_allocate_edma_queues(IAL_ADAPTER_T *pAdapter)
938 {
939 	pAdapter->requestsArrayBaseAddr = (MV_U8 *)contigmalloc(REQUESTS_ARRAY_SIZE,
940 			M_DEVBUF, M_NOWAIT, 0, 0xffffffff, PAGE_SIZE, 0ul);
941 	if (pAdapter->requestsArrayBaseAddr == NULL)
942 	{
943 		MV_ERROR("RR18xx[%d]: Failed to allocate memory for EDMA request"
944 				 " queues\n", pAdapter->mvSataAdapter.adapterId);
945 		return -1;
946 	}
947 	pAdapter->requestsArrayBaseDmaAddr = fOsPhysicalAddress(pAdapter->requestsArrayBaseAddr);
948 	pAdapter->requestsArrayBaseAlignedAddr = pAdapter->requestsArrayBaseAddr;
949 	pAdapter->requestsArrayBaseAlignedAddr += MV_EDMA_REQUEST_QUEUE_SIZE;
950 	pAdapter->requestsArrayBaseAlignedAddr  = (MV_U8 *)
951 		(((ULONG_PTR)pAdapter->requestsArrayBaseAlignedAddr) & ~(ULONG_PTR)(MV_EDMA_REQUEST_QUEUE_SIZE - 1));
952 	pAdapter->requestsArrayBaseDmaAlignedAddr = pAdapter->requestsArrayBaseDmaAddr;
953 	pAdapter->requestsArrayBaseDmaAlignedAddr += MV_EDMA_REQUEST_QUEUE_SIZE;
954 	pAdapter->requestsArrayBaseDmaAlignedAddr &= ~(ULONG_PTR)(MV_EDMA_REQUEST_QUEUE_SIZE - 1);
955 
956 	if ((pAdapter->requestsArrayBaseDmaAlignedAddr - pAdapter->requestsArrayBaseDmaAddr) !=
957 		(pAdapter->requestsArrayBaseAlignedAddr - pAdapter->requestsArrayBaseAddr))
958 	{
959 		MV_ERROR("RR18xx[%d]: Error in Request Quueues Alignment\n",
960 				 pAdapter->mvSataAdapter.adapterId);
961 		contigfree(pAdapter->requestsArrayBaseAddr, REQUESTS_ARRAY_SIZE, M_DEVBUF);
962 		return -1;
963 	}
964 	/* response queues */
965 	pAdapter->responsesArrayBaseAddr = (MV_U8 *)contigmalloc(RESPONSES_ARRAY_SIZE,
966 			M_DEVBUF, M_NOWAIT, 0, 0xffffffff, PAGE_SIZE, 0ul);
967 	if (pAdapter->responsesArrayBaseAddr == NULL)
968 	{
969 		MV_ERROR("RR18xx[%d]: Failed to allocate memory for EDMA response"
970 				 " queues\n", pAdapter->mvSataAdapter.adapterId);
971 		contigfree(pAdapter->requestsArrayBaseAddr, RESPONSES_ARRAY_SIZE, M_DEVBUF);
972 		return -1;
973 	}
974 	pAdapter->responsesArrayBaseDmaAddr = fOsPhysicalAddress(pAdapter->responsesArrayBaseAddr);
975 	pAdapter->responsesArrayBaseAlignedAddr = pAdapter->responsesArrayBaseAddr;
976 	pAdapter->responsesArrayBaseAlignedAddr += MV_EDMA_RESPONSE_QUEUE_SIZE;
977 	pAdapter->responsesArrayBaseAlignedAddr  = (MV_U8 *)
978 		(((ULONG_PTR)pAdapter->responsesArrayBaseAlignedAddr) & ~(ULONG_PTR)(MV_EDMA_RESPONSE_QUEUE_SIZE - 1));
979 	pAdapter->responsesArrayBaseDmaAlignedAddr = pAdapter->responsesArrayBaseDmaAddr;
980 	pAdapter->responsesArrayBaseDmaAlignedAddr += MV_EDMA_RESPONSE_QUEUE_SIZE;
981 	pAdapter->responsesArrayBaseDmaAlignedAddr &= ~(ULONG_PTR)(MV_EDMA_RESPONSE_QUEUE_SIZE - 1);
982 
983 	if ((pAdapter->responsesArrayBaseDmaAlignedAddr - pAdapter->responsesArrayBaseDmaAddr) !=
984 		(pAdapter->responsesArrayBaseAlignedAddr - pAdapter->responsesArrayBaseAddr))
985 	{
986 		MV_ERROR("RR18xx[%d]: Error in Response Quueues Alignment\n",
987 				 pAdapter->mvSataAdapter.adapterId);
988 		contigfree(pAdapter->requestsArrayBaseAddr, REQUESTS_ARRAY_SIZE, M_DEVBUF);
989 		contigfree(pAdapter->responsesArrayBaseAddr, RESPONSES_ARRAY_SIZE, M_DEVBUF);
990 		return -1;
991 	}
992 	return 0;
993 }
994 
995 static void
996 hptmv_free_edma_queues(IAL_ADAPTER_T *pAdapter)
997 {
998 	contigfree(pAdapter->requestsArrayBaseAddr, REQUESTS_ARRAY_SIZE, M_DEVBUF);
999 	contigfree(pAdapter->responsesArrayBaseAddr, RESPONSES_ARRAY_SIZE, M_DEVBUF);
1000 }
1001 
1002 static PVOID
1003 AllocatePRDTable(IAL_ADAPTER_T *pAdapter)
1004 {
1005 	PVOID ret;
1006 	if (pAdapter->pFreePRDLink) {
1007 		KdPrint(("pAdapter->pFreePRDLink:%p\n",pAdapter->pFreePRDLink));
1008 		ret = pAdapter->pFreePRDLink;
1009 		pAdapter->pFreePRDLink = *(void**)ret;
1010 		return ret;
1011 	}
1012 	return NULL;
1013 }
1014 
1015 static void
1016 FreePRDTable(IAL_ADAPTER_T *pAdapter, PVOID PRDTable)
1017 {
1018 	*(void**)PRDTable = pAdapter->pFreePRDLink;
1019 	pAdapter->pFreePRDLink = PRDTable;
1020 }
1021 
1022 extern PVDevice fGetFirstChild(PVDevice pLogical);
1023 extern void fResetBootMark(PVDevice pLogical);
1024 static void
1025 fRegisterVdevice(IAL_ADAPTER_T *pAdapter)
1026 {
1027 	PVDevice pPhysical, pLogical;
1028 	PVBus  pVBus;
1029 	int i,j;
1030 
1031 	for(i=0;i<MV_SATA_CHANNELS_NUM;i++) {
1032 		pPhysical = &(pAdapter->VDevices[i]);
1033 		pLogical = pPhysical;
1034 		while (pLogical->pParent) pLogical = pLogical->pParent;
1035 		if (pLogical->vf_online==0) {
1036 			pPhysical->vf_bootmark = pLogical->vf_bootmark = 0;
1037 			continue;
1038 		}
1039 		if (pLogical->VDeviceType==VD_SPARE || pPhysical!=fGetFirstChild(pLogical))
1040 			continue;
1041 
1042 		pVBus = &pAdapter->VBus;
1043 		if(pVBus)
1044 		{
1045 			j=0;
1046 			while(j<MAX_VDEVICE_PER_VBUS && pVBus->pVDevice[j]) j++;
1047 			if(j<MAX_VDEVICE_PER_VBUS){
1048 				pVBus->pVDevice[j] = pLogical;
1049 				pLogical->pVBus = pVBus;
1050 
1051 				if (j>0 && pLogical->vf_bootmark) {
1052 					if (pVBus->pVDevice[0]->vf_bootmark) {
1053 						fResetBootMark(pLogical);
1054 					}
1055 					else {
1056 						do { pVBus->pVDevice[j] = pVBus->pVDevice[j-1]; } while (--j);
1057 						pVBus->pVDevice[0] = pLogical;
1058 					}
1059 				}
1060 			}
1061 		}
1062 	}
1063 }
1064 
1065 PVDevice
1066 GetSpareDisk(_VBUS_ARG PVDevice pArray)
1067 {
1068 	IAL_ADAPTER_T *pAdapter = (IAL_ADAPTER_T *)pArray->pVBus->OsExt;
1069 	LBA_T capacity = LongDiv(pArray->VDeviceCapacity, pArray->u.array.bArnMember-1);
1070 	LBA_T thiscap, maxcap = MAX_LBA_T;
1071 	PVDevice pVDevice, pFind = NULL;
1072 	int i;
1073 
1074 	for(i=0;i<MV_SATA_CHANNELS_NUM;i++)
1075 	{
1076 		pVDevice = &pAdapter->VDevices[i];
1077 		if(!pVDevice)
1078 			continue;
1079 		thiscap = pArray->vf_format_v2? pVDevice->u.disk.dDeRealCapacity : pVDevice->VDeviceCapacity;
1080 		/* find the smallest usable spare disk */
1081 		if (pVDevice->VDeviceType==VD_SPARE &&
1082 			pVDevice->u.disk.df_on_line &&
1083 			thiscap < maxcap &&
1084 			thiscap >= capacity)
1085 		{
1086 				maxcap = pVDevice->VDeviceCapacity;
1087 				pFind = pVDevice;
1088 		}
1089 	}
1090 	return pFind;
1091 }
1092 
1093 /******************************************************************
1094  * IO ATA Command
1095  *******************************************************************/
1096 int HPTLIBAPI
1097 fDeReadWrite(PDevice pDev, ULONG Lba, UCHAR Cmd, void *tmpBuffer)
1098 {
1099 	return mvReadWrite(pDev->mv, Lba, Cmd, tmpBuffer);
1100 }
1101 
1102 void HPTLIBAPI fDeSelectMode(PDevice pDev, UCHAR NewMode)
1103 {
1104 	MV_SATA_CHANNEL *pSataChannel = pDev->mv;
1105 	MV_SATA_ADAPTER *pSataAdapter = pSataChannel->mvSataAdapter;
1106 	MV_U8 channelIndex = pSataChannel->channelNumber;
1107 	UCHAR mvMode;
1108 	/* 508x don't use MW-DMA? */
1109 	if (NewMode>4 && NewMode<8) NewMode = 4;
1110 	pDev->bDeModeSetting = NewMode;
1111 	if (NewMode<=4)
1112 		mvMode = MV_ATA_TRANSFER_PIO_0 + NewMode;
1113 	else
1114 		mvMode = MV_ATA_TRANSFER_UDMA_0 + (NewMode-8);
1115 
1116 	/*To fix 88i8030 bug*/
1117 	if (mvMode > MV_ATA_TRANSFER_UDMA_0 && mvMode < MV_ATA_TRANSFER_UDMA_4)
1118 		mvMode = MV_ATA_TRANSFER_UDMA_0;
1119 
1120 	mvSataDisableChannelDma(pSataAdapter, channelIndex);
1121 	/* Flush pending commands */
1122 	mvSataFlushDmaQueue (pSataAdapter, channelIndex, MV_FLUSH_TYPE_NONE);
1123 
1124 	if (mvStorageDevATASetFeatures(pSataAdapter, channelIndex,
1125 								   MV_ATA_SET_FEATURES_TRANSFER,
1126 								   mvMode, 0, 0, 0) == MV_FALSE)
1127 	{
1128 		KdPrint(("channel %d: Set Features failed\n", channelIndex));
1129 	}
1130 	/* Enable EDMA */
1131 	if (mvSataEnableChannelDma(pSataAdapter, channelIndex) == MV_FALSE)
1132 		KdPrint(("Failed to enable DMA, channel=%d", channelIndex));
1133 }
1134 
1135 int HPTLIBAPI fDeSetTCQ(PDevice pDev, int enable, int depth)
1136 {
1137 	MV_SATA_CHANNEL *pSataChannel = pDev->mv;
1138 	MV_SATA_ADAPTER *pSataAdapter = pSataChannel->mvSataAdapter;
1139 	MV_U8 channelIndex = pSataChannel->channelNumber;
1140 	IAL_ADAPTER_T *pAdapter = pSataAdapter->IALData;
1141 	MV_CHANNEL		*channelInfo = &(pAdapter->mvChannel[channelIndex]);
1142 	int dmaActive = pSataChannel->queueCommandsEnabled;
1143 	int ret = 0;
1144 
1145 	if (dmaActive) {
1146 		mvSataDisableChannelDma(pSataAdapter, channelIndex);
1147 		mvSataFlushDmaQueue(pSataAdapter,channelIndex,MV_FLUSH_TYPE_CALLBACK);
1148 	}
1149 
1150 	if (enable) {
1151 		if (pSataChannel->queuedDMA == MV_EDMA_MODE_NOT_QUEUED &&
1152 			(pSataChannel->identifyDevice[IDEN_SUPPORTED_COMMANDS2] & (0x2))) {
1153 			UCHAR depth = ((pSataChannel->identifyDevice[IDEN_QUEUE_DEPTH]) & 0x1f) + 1;
1154 			channelInfo->queueDepth = (depth==32)? 31 : depth;
1155 			mvSataConfigEdmaMode(pSataAdapter, channelIndex, MV_EDMA_MODE_QUEUED, depth);
1156 			ret = 1;
1157 		}
1158 	}
1159 	else
1160 	{
1161 		if (pSataChannel->queuedDMA != MV_EDMA_MODE_NOT_QUEUED) {
1162 			channelInfo->queueDepth = 2;
1163 			mvSataConfigEdmaMode(pSataAdapter, channelIndex, MV_EDMA_MODE_NOT_QUEUED, 0);
1164 			ret = 1;
1165 		}
1166 	}
1167 
1168 	if (dmaActive)
1169 		mvSataEnableChannelDma(pSataAdapter,channelIndex);
1170 	return ret;
1171 }
1172 
1173 int HPTLIBAPI fDeSetNCQ(PDevice pDev, int enable, int depth)
1174 {
1175 	return 0;
1176 }
1177 
1178 int HPTLIBAPI fDeSetWriteCache(PDevice pDev, int enable)
1179 {
1180 	MV_SATA_CHANNEL *pSataChannel = pDev->mv;
1181 	MV_SATA_ADAPTER *pSataAdapter = pSataChannel->mvSataAdapter;
1182 	MV_U8 channelIndex = pSataChannel->channelNumber;
1183 	IAL_ADAPTER_T *pAdapter = pSataAdapter->IALData;
1184 	MV_CHANNEL		*channelInfo = &(pAdapter->mvChannel[channelIndex]);
1185 	int dmaActive = pSataChannel->queueCommandsEnabled;
1186 	int ret = 0;
1187 
1188 	if (dmaActive) {
1189 		mvSataDisableChannelDma(pSataAdapter, channelIndex);
1190 		mvSataFlushDmaQueue(pSataAdapter,channelIndex,MV_FLUSH_TYPE_CALLBACK);
1191 	}
1192 
1193 	if ((pSataChannel->identifyDevice[82] & (0x20))) {
1194 		if (enable) {
1195 			if (mvStorageDevATASetFeatures(pSataAdapter, channelIndex,
1196 				MV_ATA_SET_FEATURES_ENABLE_WCACHE, 0, 0, 0, 0))
1197 			{
1198 				channelInfo->writeCacheEnabled = MV_TRUE;
1199 				ret = 1;
1200 			}
1201 		}
1202 		else {
1203 			if (mvStorageDevATASetFeatures(pSataAdapter, channelIndex,
1204 				MV_ATA_SET_FEATURES_DISABLE_WCACHE, 0, 0, 0, 0))
1205 			{
1206 				channelInfo->writeCacheEnabled = MV_FALSE;
1207 				ret = 1;
1208 			}
1209 		}
1210 	}
1211 
1212 	if (dmaActive)
1213 		mvSataEnableChannelDma(pSataAdapter,channelIndex);
1214 	return ret;
1215 }
1216 
1217 int HPTLIBAPI fDeSetReadAhead(PDevice pDev, int enable)
1218 {
1219 	MV_SATA_CHANNEL *pSataChannel = pDev->mv;
1220 	MV_SATA_ADAPTER *pSataAdapter = pSataChannel->mvSataAdapter;
1221 	MV_U8 channelIndex = pSataChannel->channelNumber;
1222 	IAL_ADAPTER_T *pAdapter = pSataAdapter->IALData;
1223 	MV_CHANNEL		*channelInfo = &(pAdapter->mvChannel[channelIndex]);
1224 	int dmaActive = pSataChannel->queueCommandsEnabled;
1225 	int ret = 0;
1226 
1227 	if (dmaActive) {
1228 		mvSataDisableChannelDma(pSataAdapter, channelIndex);
1229 		mvSataFlushDmaQueue(pSataAdapter,channelIndex,MV_FLUSH_TYPE_CALLBACK);
1230 	}
1231 
1232 	if ((pSataChannel->identifyDevice[82] & (0x40))) {
1233 		if (enable) {
1234 			if (mvStorageDevATASetFeatures(pSataAdapter, channelIndex,
1235 				MV_ATA_SET_FEATURES_ENABLE_RLA, 0, 0, 0, 0))
1236 			{
1237 				channelInfo->readAheadEnabled = MV_TRUE;
1238 				ret = 1;
1239 			}
1240 		}
1241 		else {
1242 			if (mvStorageDevATASetFeatures(pSataAdapter, channelIndex,
1243 				MV_ATA_SET_FEATURES_DISABLE_RLA, 0, 0, 0, 0))
1244 			{
1245 				channelInfo->readAheadEnabled = MV_FALSE;
1246 				ret = 1;
1247 			}
1248 		}
1249 	}
1250 
1251 	if (dmaActive)
1252 		mvSataEnableChannelDma(pSataAdapter,channelIndex);
1253 	return ret;
1254 }
1255 
1256 #ifdef SUPPORT_ARRAY
1257 #define IdeRegisterVDevice  fCheckArray
1258 #else
1259 void
1260 IdeRegisterVDevice(PDevice pDev)
1261 {
1262 	PVDevice pVDev = Map2pVDevice(pDev);
1263 
1264 	pVDev->VDeviceType = pDev->df_atapi? VD_ATAPI :
1265 						 pDev->df_removable_drive? VD_REMOVABLE : VD_SINGLE_DISK;
1266 	pVDev->vf_online = 1;
1267 	pVDev->VDeviceCapacity = pDev->dDeRealCapacity;
1268 	pVDev->pfnSendCommand = pfnSendCommand[pVDev->VDeviceType];
1269 	pVDev->pfnDeviceFailed = pfnDeviceFailed[pVDev->VDeviceType];
1270 }
1271 #endif
1272 
1273 static __inline PBUS_DMAMAP
1274 dmamap_get(struct IALAdapter * pAdapter)
1275 {
1276 	PBUS_DMAMAP	p = pAdapter->pbus_dmamap_list;
1277 	if (p)
1278 		pAdapter->pbus_dmamap_list = p-> next;
1279 	return p;
1280 }
1281 
1282 static __inline void
1283 dmamap_put(PBUS_DMAMAP p)
1284 {
1285 	p->next = p->pAdapter->pbus_dmamap_list;
1286 	p->pAdapter->pbus_dmamap_list = p;
1287 }
1288 
1289 /*Since mtx not provide the initialize when declare, so we Final init here to initialize the global mtx*/
1290 #if __FreeBSD_version >= 500000
1291 #define override_kernel_driver()
1292 
1293 static void hpt_init(void *dummy)
1294 {
1295 	override_kernel_driver();
1296 	mtx_init(&driver_lock, "hptsleeplock", NULL, MTX_DEF);
1297 }
1298 SYSINIT(hptinit, SI_SUB_CONFIGURE, SI_ORDER_FIRST, hpt_init, NULL);
1299 #endif
1300 
1301 static int num_adapters = 0;
1302 static int
1303 init_adapter(IAL_ADAPTER_T *pAdapter)
1304 {
1305 	PVBus _vbus_p = &pAdapter->VBus;
1306 	MV_SATA_ADAPTER *pMvSataAdapter;
1307 	int i, channel, rid;
1308 
1309 	PVDevice pVDev;
1310 
1311 	intrmask_t oldspl = lock_driver();
1312 
1313 	pAdapter->next = 0;
1314 
1315 	if(gIal_Adapter == 0){
1316 		gIal_Adapter = pAdapter;
1317 		pCurAdapter = gIal_Adapter;
1318 	}
1319 	else {
1320 		pCurAdapter->next = pAdapter;
1321 		pCurAdapter = pAdapter;
1322 	}
1323 
1324 	pAdapter->outstandingCommands = 0;
1325 
1326 	pMvSataAdapter = &(pAdapter->mvSataAdapter);
1327 	_vbus_p->OsExt = (void *)pAdapter;
1328 	pMvSataAdapter->IALData = pAdapter;
1329 
1330 	if (bus_dma_tag_create(bus_get_dma_tag(pAdapter->hpt_dev),/* parent */
1331 			4,	/* alignment */
1332 			BUS_SPACE_MAXADDR_32BIT+1, /* boundary */
1333 			BUS_SPACE_MAXADDR,	/* lowaddr */
1334 			BUS_SPACE_MAXADDR,	/* highaddr */
1335 			NULL, NULL, 		/* filter, filterarg */
1336 			PAGE_SIZE * (MAX_SG_DESCRIPTORS-1), /* maxsize */
1337 			MAX_SG_DESCRIPTORS, /* nsegments */
1338 			0x10000,	/* maxsegsize */
1339 			BUS_DMA_WAITOK, 	/* flags */
1340 #if __FreeBSD_version>502000
1341 			busdma_lock_mutex,	/* lockfunc */
1342 			&driver_lock,		/* lockfuncarg */
1343 #endif
1344 			&pAdapter->io_dma_parent /* tag */))
1345 		{
1346 			return ENXIO;
1347 	}
1348 
1349 
1350 	if (hptmv_allocate_edma_queues(pAdapter))
1351 	{
1352 		MV_ERROR("RR18xx: Failed to allocate memory for EDMA queues\n");
1353 		unlock_driver(oldspl);
1354 		return ENOMEM;
1355 	}
1356 
1357 	/* also map EPROM address */
1358 	rid = 0x10;
1359 	if (!(pAdapter->mem_res = bus_alloc_resource(pAdapter->hpt_dev, SYS_RES_MEMORY, &rid,
1360 			0, ~0, MV_SATA_PCI_BAR0_SPACE_SIZE+0x40000, RF_ACTIVE))
1361 		||
1362 		!(pMvSataAdapter->adapterIoBaseAddress = rman_get_virtual(pAdapter->mem_res)))
1363 	{
1364 		MV_ERROR("RR18xx: Failed to remap memory space\n");
1365 		hptmv_free_edma_queues(pAdapter);
1366 		unlock_driver(oldspl);
1367 		return ENXIO;
1368 	}
1369 	else
1370 	{
1371 		KdPrint(("RR18xx: io base address 0x%p\n", pMvSataAdapter->adapterIoBaseAddress));
1372 	}
1373 
1374 	pMvSataAdapter->adapterId = num_adapters++;
1375 	/* get the revision ID */
1376 	pMvSataAdapter->pciConfigRevisionId = pci_read_config(pAdapter->hpt_dev, PCIR_REVID, 1);
1377 	pMvSataAdapter->pciConfigDeviceId = pci_get_device(pAdapter->hpt_dev);
1378 
1379 	/* init RR18xx */
1380 	pMvSataAdapter->intCoalThre[0]= 1;
1381 	pMvSataAdapter->intCoalThre[1]= 1;
1382 	pMvSataAdapter->intTimeThre[0] = 1;
1383 	pMvSataAdapter->intTimeThre[1] = 1;
1384 	pMvSataAdapter->pciCommand = 0x0107E371;
1385 	pMvSataAdapter->pciSerrMask = 0xd77fe6ul;
1386 	pMvSataAdapter->pciInterruptMask = 0xd77fe6ul;
1387 	pMvSataAdapter->mvSataEventNotify = hptmv_event_notify;
1388 
1389 	if (mvSataInitAdapter(pMvSataAdapter) == MV_FALSE)
1390 	{
1391 		MV_ERROR("RR18xx[%d]: core failed to initialize the adapter\n",
1392 				 pMvSataAdapter->adapterId);
1393 unregister:
1394 		bus_release_resource(pAdapter->hpt_dev, SYS_RES_MEMORY, rid, pAdapter->mem_res);
1395 		hptmv_free_edma_queues(pAdapter);
1396 		unlock_driver(oldspl);
1397 		return ENXIO;
1398 	}
1399 	pAdapter->ver_601 = pMvSataAdapter->pcbVersion;
1400 
1401 #ifndef FOR_DEMO
1402 	set_fail_leds(pMvSataAdapter, 0);
1403 #endif
1404 
1405 	/* setup command blocks */
1406 	KdPrint(("Allocate command blocks\n"));
1407 	_vbus_(pFreeCommands) = 0;
1408 	pAdapter->pCommandBlocks =
1409 		malloc(sizeof(struct _Command) * MAX_COMMAND_BLOCKS_FOR_EACH_VBUS, M_DEVBUF, M_NOWAIT);
1410 	KdPrint(("pCommandBlocks:%p\n",pAdapter->pCommandBlocks));
1411 	if (!pAdapter->pCommandBlocks) {
1412 		MV_ERROR("insufficient memory\n");
1413 		goto unregister;
1414 	}
1415 
1416 	for (i=0; i<MAX_COMMAND_BLOCKS_FOR_EACH_VBUS; i++) {
1417 		FreeCommand(_VBUS_P &(pAdapter->pCommandBlocks[i]));
1418 	}
1419 
1420 	/*Set up the bus_dmamap*/
1421 	pAdapter->pbus_dmamap = (PBUS_DMAMAP)malloc (sizeof(struct _BUS_DMAMAP) * MAX_QUEUE_COMM, M_DEVBUF, M_NOWAIT);
1422 	if(!pAdapter->pbus_dmamap) {
1423 		MV_ERROR("insufficient memory\n");
1424 		free(pAdapter->pCommandBlocks, M_DEVBUF);
1425 		goto unregister;
1426 	}
1427 
1428 	memset((void *)pAdapter->pbus_dmamap, 0, sizeof(struct _BUS_DMAMAP) * MAX_QUEUE_COMM);
1429 	pAdapter->pbus_dmamap_list = 0;
1430 	for (i=0; i < MAX_QUEUE_COMM; i++) {
1431 		PBUS_DMAMAP  pmap = &(pAdapter->pbus_dmamap[i]);
1432 		pmap->pAdapter = pAdapter;
1433 		dmamap_put(pmap);
1434 
1435 		if(bus_dmamap_create(pAdapter->io_dma_parent, 0, &pmap->dma_map)) {
1436 			MV_ERROR("Can not allocate dma map\n");
1437 			free(pAdapter->pCommandBlocks, M_DEVBUF);
1438 			free(pAdapter->pbus_dmamap, M_DEVBUF);
1439 			goto unregister;
1440 		}
1441 	}
1442 	/* setup PRD Tables */
1443 	KdPrint(("Allocate PRD Tables\n"));
1444 	pAdapter->pFreePRDLink = 0;
1445 
1446 	pAdapter->prdTableAddr = (PUCHAR)contigmalloc(
1447 		(PRD_ENTRIES_SIZE*PRD_TABLES_FOR_VBUS + 32), M_DEVBUF, M_NOWAIT, 0, 0xffffffff, PAGE_SIZE, 0ul);
1448 
1449 	KdPrint(("prdTableAddr:%p\n",pAdapter->prdTableAddr));
1450 	if (!pAdapter->prdTableAddr) {
1451 		MV_ERROR("insufficient PRD Tables\n");
1452 		goto unregister;
1453 	}
1454 	pAdapter->prdTableAlignedAddr = (PUCHAR)(((ULONG_PTR)pAdapter->prdTableAddr + 0x1f) & ~(ULONG_PTR)0x1fL);
1455 	{
1456 		PUCHAR PRDTable = pAdapter->prdTableAlignedAddr;
1457 		for (i=0; i<PRD_TABLES_FOR_VBUS; i++)
1458 		{
1459 /*			KdPrint(("i=%d,pAdapter->pFreePRDLink=%p\n",i,pAdapter->pFreePRDLink)); */
1460 			FreePRDTable(pAdapter, PRDTable);
1461 			PRDTable += PRD_ENTRIES_SIZE;
1462 		}
1463 	}
1464 
1465 	/* enable the adapter interrupts */
1466 
1467 	/* configure and start the connected channels*/
1468 	for (channel = 0; channel < MV_SATA_CHANNELS_NUM; channel++)
1469 	{
1470 		pAdapter->mvChannel[channel].online = MV_FALSE;
1471 		if (mvSataIsStorageDeviceConnected(pMvSataAdapter, channel)
1472 			== MV_TRUE)
1473 		{
1474 			KdPrint(("RR18xx[%d]: channel %d is connected\n",
1475 					  pMvSataAdapter->adapterId, channel));
1476 
1477 			if (hptmv_init_channel(pAdapter, channel) == 0)
1478 			{
1479 				if (mvSataConfigureChannel(pMvSataAdapter, channel) == MV_FALSE)
1480 				{
1481 					MV_ERROR("RR18xx[%d]: Failed to configure channel"
1482 							 " %d\n",pMvSataAdapter->adapterId, channel);
1483 					hptmv_free_channel(pAdapter, channel);
1484 				}
1485 				else
1486 				{
1487 					if (start_channel(pAdapter, channel))
1488 					{
1489 						MV_ERROR("RR18xx[%d]: Failed to start channel,"
1490 								 " channel=%d\n",pMvSataAdapter->adapterId,
1491 								 channel);
1492 						hptmv_free_channel(pAdapter, channel);
1493 					}
1494 					pAdapter->mvChannel[channel].online = MV_TRUE;
1495 					/*  mvSataChannelSetEdmaLoopBackMode(pMvSataAdapter,
1496 													   channel,
1497 													   MV_TRUE);*/
1498 				}
1499 			}
1500 		}
1501 		KdPrint(("pAdapter->mvChannel[channel].online:%x, channel:%d\n",
1502 			pAdapter->mvChannel[channel].online, channel));
1503 	}
1504 
1505 #ifdef SUPPORT_ARRAY
1506 	for(i = MAX_ARRAY_DEVICE - 1; i >= 0; i--) {
1507 		pVDev = ArrayTables(i);
1508 		mArFreeArrayTable(pVDev);
1509 	}
1510 #endif
1511 
1512 	KdPrint(("Initialize Devices\n"));
1513 	for (channel = 0; channel < MV_SATA_CHANNELS_NUM; channel++) {
1514 		MV_SATA_CHANNEL *pMvSataChannel = pMvSataAdapter->sataChannel[channel];
1515 		if (pMvSataChannel) {
1516 			init_vdev_params(pAdapter, channel);
1517 			IdeRegisterVDevice(&pAdapter->VDevices[channel].u.disk);
1518 		}
1519 	}
1520 #ifdef SUPPORT_ARRAY
1521 	CheckArrayCritical(_VBUS_P0);
1522 #endif
1523 	_vbus_p->nInstances = 1;
1524 	fRegisterVdevice(pAdapter);
1525 
1526 	for (channel=0;channel<MV_SATA_CHANNELS_NUM;channel++) {
1527 		pVDev = _vbus_p->pVDevice[channel];
1528 		if (pVDev && pVDev->vf_online)
1529 			fCheckBootable(pVDev);
1530 	}
1531 
1532 #if defined(SUPPORT_ARRAY) && defined(_RAID5N_)
1533 	init_raid5_memory(_VBUS_P0);
1534 	_vbus_(r5).enable_write_back = 1;
1535 	printf("RR18xx: RAID5 write-back %s\n", _vbus_(r5).enable_write_back? "enabled" : "disabled");
1536 #endif
1537 
1538 	mvSataUnmaskAdapterInterrupt(pMvSataAdapter);
1539 	unlock_driver(oldspl);
1540 	return 0;
1541 }
1542 
1543 int
1544 MvSataResetChannel(MV_SATA_ADAPTER *pMvSataAdapter, MV_U8 channel)
1545 {
1546 	IAL_ADAPTER_T   *pAdapter = (IAL_ADAPTER_T *)pMvSataAdapter->IALData;
1547 
1548 	mvSataDisableChannelDma(pMvSataAdapter, channel);
1549 	/* Flush pending commands */
1550 	mvSataFlushDmaQueue (pMvSataAdapter, channel, MV_FLUSH_TYPE_CALLBACK);
1551 
1552 	/* Software reset channel */
1553 	if (mvStorageDevATASoftResetDevice(pMvSataAdapter, channel) == MV_FALSE)
1554 	{
1555 		MV_ERROR("RR18xx [%d,%d]: failed to perform Software reset\n",
1556 				 pMvSataAdapter->adapterId, channel);
1557 		hptmv_free_channel(pAdapter, channel);
1558 		return -1;
1559 	}
1560 
1561 	/* Hardware reset channel */
1562 	if (mvSataChannelHardReset(pMvSataAdapter, channel)== MV_FALSE)
1563 	{
1564 		MV_ERROR("RR18xx [%d,%d] Failed to Hard reser the SATA channel\n",
1565 				 pMvSataAdapter->adapterId, channel);
1566 		hptmv_free_channel(pAdapter, channel);
1567 		return -1;
1568 	}
1569 
1570 	if (mvSataIsStorageDeviceConnected(pMvSataAdapter, channel) == MV_FALSE)
1571 	{
1572 		 MV_ERROR("RR18xx [%d,%d] Failed to Connect Device\n",
1573 				 pMvSataAdapter->adapterId, channel);
1574 		hptmv_free_channel(pAdapter, channel);
1575 		return -1;
1576 	}else
1577 	{
1578 		MV_ERROR("channel %d: perform recalibrate command", channel);
1579 		if (!mvStorageDevATAExecuteNonUDMACommand(pMvSataAdapter, channel,
1580 								MV_NON_UDMA_PROTOCOL_NON_DATA,
1581 								MV_FALSE,
1582 								NULL,	 /* pBuffer*/
1583 								0,		 /* count  */
1584 								0,		/*features*/
1585 										/* sectorCount */
1586 								0,
1587 								0,	/* lbaLow */
1588 								0,	/* lbaMid */
1589 									/* lbaHigh */
1590 								0,
1591 								0,		/* device */
1592 										/* command */
1593 								0x10))
1594 			MV_ERROR("channel %d: recalibrate failed", channel);
1595 
1596 		/* Set transfer mode */
1597 		if((mvStorageDevATASetFeatures(pMvSataAdapter, channel,
1598 						MV_ATA_SET_FEATURES_TRANSFER,
1599 						MV_ATA_TRANSFER_PIO_SLOW, 0, 0, 0) == MV_FALSE) ||
1600 			(mvStorageDevATASetFeatures(pMvSataAdapter, channel,
1601 						MV_ATA_SET_FEATURES_TRANSFER,
1602 						pAdapter->mvChannel[channel].maxPioModeSupported, 0, 0, 0) == MV_FALSE) ||
1603 			(mvStorageDevATASetFeatures(pMvSataAdapter, channel,
1604 						MV_ATA_SET_FEATURES_TRANSFER,
1605 						pAdapter->mvChannel[channel].maxUltraDmaModeSupported, 0, 0, 0) == MV_FALSE) )
1606 		{
1607 			MV_ERROR("channel %d: Set Features failed", channel);
1608 			hptmv_free_channel(pAdapter, channel);
1609 			return -1;
1610 		}
1611 		/* Enable EDMA */
1612 		if (mvSataEnableChannelDma(pMvSataAdapter, channel) == MV_FALSE)
1613 		{
1614 			MV_ERROR("Failed to enable DMA, channel=%d", channel);
1615 			hptmv_free_channel(pAdapter, channel);
1616 			return -1;
1617 		}
1618 	}
1619 	return 0;
1620 }
1621 
1622 static int
1623 fResetActiveCommands(PVBus _vbus_p)
1624 {
1625 	MV_SATA_ADAPTER *pMvSataAdapter = &((IAL_ADAPTER_T *)_vbus_p->OsExt)->mvSataAdapter;
1626 	MV_U8 channel;
1627 	for (channel=0;channel< MV_SATA_CHANNELS_NUM;channel++) {
1628 		if (pMvSataAdapter->sataChannel[channel] && pMvSataAdapter->sataChannel[channel]->outstandingCommands)
1629 			MvSataResetChannel(pMvSataAdapter,channel);
1630 	}
1631 	return 0;
1632 }
1633 
1634 void fCompleteAllCommandsSynchronously(PVBus _vbus_p)
1635 {
1636 	UINT cont;
1637 	ULONG ticks = 0;
1638 	MV_U8 channel;
1639 	MV_SATA_ADAPTER *pMvSataAdapter = &((IAL_ADAPTER_T *)_vbus_p->OsExt)->mvSataAdapter;
1640 	MV_SATA_CHANNEL *pMvSataChannel;
1641 
1642 	do {
1643 check_cmds:
1644 		cont = 0;
1645 		CheckPendingCall(_VBUS_P0);
1646 #ifdef _RAID5N_
1647 		dataxfer_poll();
1648 		xor_poll();
1649 #endif
1650 		for (channel=0;channel< MV_SATA_CHANNELS_NUM;channel++) {
1651 			pMvSataChannel = pMvSataAdapter->sataChannel[channel];
1652 			if (pMvSataChannel && pMvSataChannel->outstandingCommands)
1653 			{
1654 				while (pMvSataChannel->outstandingCommands) {
1655 					if (!mvSataInterruptServiceRoutine(pMvSataAdapter)) {
1656 						StallExec(1000);
1657 						if (ticks++ > 3000) {
1658 							MvSataResetChannel(pMvSataAdapter,channel);
1659 							goto check_cmds;
1660 						}
1661 					}
1662 					else
1663 						ticks = 0;
1664 				}
1665 				cont = 1;
1666 			}
1667 		}
1668 	} while (cont);
1669 }
1670 
1671 void
1672 fResetVBus(_VBUS_ARG0)
1673 {
1674 	KdPrint(("fMvResetBus(%p)", _vbus_p));
1675 
1676 	/* some commands may already finished. */
1677 	CheckPendingCall(_VBUS_P0);
1678 
1679 	fResetActiveCommands(_vbus_p);
1680 	/*
1681 	 * the other pending commands may still be finished successfully.
1682 	 */
1683 	fCompleteAllCommandsSynchronously(_vbus_p);
1684 
1685 	/* Now there should be no pending commands. No more action needed. */
1686 	CheckIdleCall(_VBUS_P0);
1687 
1688 	KdPrint(("fMvResetBus() done"));
1689 }
1690 
1691 /*No rescan function*/
1692 void
1693 fRescanAllDevice(_VBUS_ARG0)
1694 {
1695 }
1696 
1697 static MV_BOOLEAN
1698 CommandCompletionCB(MV_SATA_ADAPTER *pMvSataAdapter,
1699 					MV_U8 channelNum,
1700 					MV_COMPLETION_TYPE comp_type,
1701 					MV_VOID_PTR commandId,
1702 					MV_U16 responseFlags,
1703 					MV_U32 timeStamp,
1704 					MV_STORAGE_DEVICE_REGISTERS *registerStruct)
1705 {
1706 	PCommand pCmd = (PCommand) commandId;
1707 	_VBUS_INST(pCmd->pVDevice->pVBus)
1708 
1709 	if (pCmd->uScratch.sata_param.prdAddr)
1710 		FreePRDTable(pMvSataAdapter->IALData,pCmd->uScratch.sata_param.prdAddr);
1711 
1712 	switch (comp_type)
1713 	{
1714 	case MV_COMPLETION_TYPE_NORMAL:
1715 		pCmd->Result = RETURN_SUCCESS;
1716 		break;
1717 	case MV_COMPLETION_TYPE_ABORT:
1718 		pCmd->Result = RETURN_BUS_RESET;
1719 		break;
1720 	case MV_COMPLETION_TYPE_ERROR:
1721 		 MV_ERROR("IAL: COMPLETION ERROR, adapter %d, channel %d, flags=%x\n",
1722 				 pMvSataAdapter->adapterId, channelNum, responseFlags);
1723 
1724 		if (responseFlags & 4) {
1725 			MV_ERROR("ATA regs: error %x, sector count %x, LBA low %x, LBA mid %x,"
1726 				" LBA high %x, device %x, status %x\n",
1727 				registerStruct->errorRegister,
1728 				registerStruct->sectorCountRegister,
1729 				registerStruct->lbaLowRegister,
1730 				registerStruct->lbaMidRegister,
1731 				registerStruct->lbaHighRegister,
1732 				registerStruct->deviceRegister,
1733 				registerStruct->statusRegister);
1734 		}
1735 		/*We can't do handleEdmaError directly here, because CommandCompletionCB is called by
1736 		 * mv's ISR, if we retry the command, than the internel data structure may be destroyed*/
1737 		pCmd->uScratch.sata_param.responseFlags = responseFlags;
1738 		pCmd->uScratch.sata_param.bIdeStatus = registerStruct->statusRegister;
1739 		pCmd->uScratch.sata_param.errorRegister = registerStruct->errorRegister;
1740 		pCmd->pVDevice->u.disk.QueueLength--;
1741 		CallAfterReturn(_VBUS_P (DPC_PROC)handleEdmaError,pCmd);
1742 		return TRUE;
1743 
1744 	default:
1745 		MV_ERROR(" Unknown completion type (%d)\n", comp_type);
1746 		return MV_FALSE;
1747 	}
1748 
1749 	if (pCmd->uCmd.Ide.Command == IDE_COMMAND_VERIFY && pCmd->uScratch.sata_param.cmd_priv > 1) {
1750 		pCmd->uScratch.sata_param.cmd_priv --;
1751 		return TRUE;
1752 	}
1753 	pCmd->pVDevice->u.disk.QueueLength--;
1754 	CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1755 	return TRUE;
1756 }
1757 
1758 void
1759 fDeviceSendCommand(_VBUS_ARG PCommand pCmd)
1760 {
1761 	MV_SATA_EDMA_PRD_ENTRY  *pPRDTable = 0;
1762 	MV_SATA_ADAPTER *pMvSataAdapter;
1763 	MV_SATA_CHANNEL *pMvSataChannel;
1764 	PVDevice pVDevice = pCmd->pVDevice;
1765 	PDevice  pDevice = &pVDevice->u.disk;
1766 	LBA_T    Lba = pCmd->uCmd.Ide.Lba;
1767 	USHORT   nSector = pCmd->uCmd.Ide.nSectors;
1768 
1769 	MV_QUEUE_COMMAND_RESULT result;
1770 	MV_QUEUE_COMMAND_INFO commandInfo;
1771 	MV_UDMA_COMMAND_PARAMS  *pUdmaParams = &commandInfo.commandParams.udmaCommand;
1772 	MV_NONE_UDMA_COMMAND_PARAMS *pNoUdmaParams = &commandInfo.commandParams.NoneUdmaCommand;
1773 
1774 	MV_BOOLEAN is48bit;
1775 	MV_U8      channel;
1776 	int        i=0;
1777 
1778 	DECLARE_BUFFER(FPSCAT_GATH, tmpSg);
1779 
1780 	if (!pDevice->df_on_line) {
1781 		MV_ERROR("Device is offline");
1782 		pCmd->Result = RETURN_BAD_DEVICE;
1783 		CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1784 		return;
1785 	}
1786 
1787 	pDevice->HeadPosition = pCmd->uCmd.Ide.Lba + pCmd->uCmd.Ide.nSectors;
1788 	pMvSataChannel = pDevice->mv;
1789 	pMvSataAdapter = pMvSataChannel->mvSataAdapter;
1790 	channel = pMvSataChannel->channelNumber;
1791 
1792 	/* old RAID0 has hidden lba. Remember to clear dDeHiddenLba when delete array! */
1793 	Lba += pDevice->dDeHiddenLba;
1794 	/* check LBA */
1795 	if (Lba+nSector-1 > pDevice->dDeRealCapacity) {
1796 		pCmd->Result = RETURN_INVALID_REQUEST;
1797 		CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1798 		return;
1799 	}
1800 
1801 	/*
1802 	 * always use 48bit LBA if drive supports it.
1803 	 * Some Seagate drives report error if you use a 28-bit command
1804 	 * to access sector 0xfffffff.
1805 	 */
1806 	is48bit = pMvSataChannel->lba48Address;
1807 
1808 	switch (pCmd->uCmd.Ide.Command)
1809 	{
1810 	case IDE_COMMAND_READ:
1811 	case IDE_COMMAND_WRITE:
1812 		if (pDevice->bDeModeSetting<8) goto pio;
1813 
1814 		commandInfo.type = MV_QUEUED_COMMAND_TYPE_UDMA;
1815 		pUdmaParams->isEXT = is48bit;
1816 		pUdmaParams->numOfSectors = nSector;
1817 		pUdmaParams->lowLBAAddress = Lba;
1818 		pUdmaParams->highLBAAddress = 0;
1819 		pUdmaParams->prdHighAddr = 0;
1820 		pUdmaParams->callBack = CommandCompletionCB;
1821 		pUdmaParams->commandId = (MV_VOID_PTR )pCmd;
1822 		if(pCmd->uCmd.Ide.Command == IDE_COMMAND_READ)
1823 			pUdmaParams->readWrite = MV_UDMA_TYPE_READ;
1824 		else
1825 			pUdmaParams->readWrite = MV_UDMA_TYPE_WRITE;
1826 
1827 		if (pCmd->pSgTable && pCmd->cf_physical_sg) {
1828 			FPSCAT_GATH sg1=tmpSg, sg2=pCmd->pSgTable;
1829 			do { *sg1++=*sg2; } while ((sg2++->wSgFlag & SG_FLAG_EOT)==0);
1830 		}
1831 		else {
1832 			if (!pCmd->pfnBuildSgl || !pCmd->pfnBuildSgl(_VBUS_P pCmd, tmpSg, 0)) {
1833 pio:
1834 				mvSataDisableChannelDma(pMvSataAdapter, channel);
1835 				mvSataFlushDmaQueue(pMvSataAdapter, channel, MV_FLUSH_TYPE_CALLBACK);
1836 
1837 				if (pCmd->pSgTable && pCmd->cf_physical_sg==0) {
1838 					FPSCAT_GATH sg1=tmpSg, sg2=pCmd->pSgTable;
1839 					do { *sg1++=*sg2; } while ((sg2++->wSgFlag & SG_FLAG_EOT)==0);
1840 				}
1841 				else {
1842 					if (!pCmd->pfnBuildSgl || !pCmd->pfnBuildSgl(_VBUS_P pCmd, tmpSg, 1)) {
1843 						pCmd->Result = RETURN_NEED_LOGICAL_SG;
1844 						goto finish_cmd;
1845 					}
1846 				}
1847 
1848 				do {
1849 					ULONG size = tmpSg->wSgSize? tmpSg->wSgSize : 0x10000;
1850 					ULONG_PTR addr = tmpSg->dSgAddress;
1851 					if (size & 0x1ff) {
1852 						pCmd->Result = RETURN_INVALID_REQUEST;
1853 						goto finish_cmd;
1854 					}
1855 					if (mvStorageDevATAExecuteNonUDMACommand(pMvSataAdapter, channel,
1856 						(pCmd->cf_data_out)?MV_NON_UDMA_PROTOCOL_PIO_DATA_OUT:MV_NON_UDMA_PROTOCOL_PIO_DATA_IN,
1857 						is48bit,
1858 						(MV_U16_PTR)addr,
1859 						size >> 1,	/* count       */
1860 						0,		/* features  N/A  */
1861 						(MV_U16)(size>>9),	/*sector count*/
1862 						(MV_U16)(  (is48bit? (MV_U16)((Lba >> 16) & 0xFF00) : 0 )  | (UCHAR)(Lba & 0xFF) ), /*lbalow*/
1863 						(MV_U16)((Lba >> 8) & 0xFF), /* lbaMid      */
1864 						(MV_U16)((Lba >> 16) & 0xFF),/* lbaHigh     */
1865 						(MV_U8)(0x40 | (is48bit ? 0 : (UCHAR)(Lba >> 24) & 0xFF )),/* device      */
1866 						(MV_U8)(is48bit ? (pCmd->cf_data_in?IDE_COMMAND_READ_EXT:IDE_COMMAND_WRITE_EXT):pCmd->uCmd.Ide.Command)
1867 					)==MV_FALSE)
1868 					{
1869 						pCmd->Result = RETURN_IDE_ERROR;
1870 						goto finish_cmd;
1871 					}
1872 					Lba += size>>9;
1873 					if(Lba & 0xF0000000) is48bit = MV_TRUE;
1874 				}
1875 				while ((tmpSg++->wSgFlag & SG_FLAG_EOT)==0);
1876 				pCmd->Result = RETURN_SUCCESS;
1877 finish_cmd:
1878 				mvSataEnableChannelDma(pMvSataAdapter,channel);
1879 				CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1880 				return;
1881 			}
1882 		}
1883 
1884 		pPRDTable = (MV_SATA_EDMA_PRD_ENTRY *) AllocatePRDTable(pMvSataAdapter->IALData);
1885 		KdPrint(("pPRDTable:%p\n",pPRDTable));
1886 		if (!pPRDTable) {
1887 			pCmd->Result = RETURN_DEVICE_BUSY;
1888 			CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1889 			HPT_ASSERT(0);
1890 			return;
1891 		}
1892 
1893 		do{
1894 			pPRDTable[i].highBaseAddr = (sizeof(tmpSg->dSgAddress)>4 ? (MV_U32)(tmpSg->dSgAddress>>32) : 0);
1895 			pPRDTable[i].flags = (MV_U16)tmpSg->wSgFlag;
1896 			pPRDTable[i].byteCount = (MV_U16)tmpSg->wSgSize;
1897 			pPRDTable[i].lowBaseAddr = (MV_U32)tmpSg->dSgAddress;
1898 			pPRDTable[i].reserved = 0;
1899 			i++;
1900 		}while((tmpSg++->wSgFlag & SG_FLAG_EOT)==0);
1901 
1902 		pUdmaParams->prdLowAddr = (ULONG)fOsPhysicalAddress(pPRDTable);
1903 		if ((pUdmaParams->numOfSectors == 256) && (pMvSataChannel->lba48Address == MV_FALSE)) {
1904 			pUdmaParams->numOfSectors = 0;
1905 		}
1906 
1907 		pCmd->uScratch.sata_param.prdAddr = (PVOID)pPRDTable;
1908 
1909 		result = mvSataQueueCommand(pMvSataAdapter, channel, &commandInfo);
1910 
1911 		if (result != MV_QUEUE_COMMAND_RESULT_OK)
1912 		{
1913 queue_failed:
1914 			switch (result)
1915 			{
1916 			case MV_QUEUE_COMMAND_RESULT_BAD_LBA_ADDRESS:
1917 				MV_ERROR("IAL Error: Edma Queue command failed. Bad LBA "
1918 						 "LBA[31:0](0x%08x)\n", pUdmaParams->lowLBAAddress);
1919 				pCmd->Result = RETURN_IDE_ERROR;
1920 				break;
1921 			case MV_QUEUE_COMMAND_RESULT_QUEUED_MODE_DISABLED:
1922 				MV_ERROR("IAL Error: Edma Queue command failed. EDMA"
1923 						 " disabled adapter %d channel %d\n",
1924 						 pMvSataAdapter->adapterId, channel);
1925 				mvSataEnableChannelDma(pMvSataAdapter,channel);
1926 				pCmd->Result = RETURN_IDE_ERROR;
1927 				break;
1928 			case MV_QUEUE_COMMAND_RESULT_FULL:
1929 				MV_ERROR("IAL Error: Edma Queue command failed. Queue is"
1930 						 " Full adapter %d channel %d\n",
1931 						 pMvSataAdapter->adapterId, channel);
1932 				pCmd->Result = RETURN_DEVICE_BUSY;
1933 				break;
1934 			case MV_QUEUE_COMMAND_RESULT_BAD_PARAMS:
1935 				MV_ERROR("IAL Error: Edma Queue command failed. (Bad "
1936 						 "Params), pMvSataAdapter: %p,  pSataChannel: %p.\n",
1937 						 pMvSataAdapter, pMvSataAdapter->sataChannel[channel]);
1938 				pCmd->Result = RETURN_IDE_ERROR;
1939 				break;
1940 			default:
1941 				MV_ERROR("IAL Error: Bad result value (%d) from queue"
1942 						 " command\n", result);
1943 				pCmd->Result = RETURN_IDE_ERROR;
1944 			}
1945 			if(pPRDTable)
1946 				FreePRDTable(pMvSataAdapter->IALData,pPRDTable);
1947 			CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1948 		}
1949 		pDevice->QueueLength++;
1950 		return;
1951 
1952 	case IDE_COMMAND_VERIFY:
1953 		commandInfo.type = MV_QUEUED_COMMAND_TYPE_NONE_UDMA;
1954 		pNoUdmaParams->bufPtr = NULL;
1955 		pNoUdmaParams->callBack = CommandCompletionCB;
1956 		pNoUdmaParams->commandId = (MV_VOID_PTR)pCmd;
1957 		pNoUdmaParams->count = 0;
1958 		pNoUdmaParams->features = 0;
1959 		pNoUdmaParams->protocolType = MV_NON_UDMA_PROTOCOL_NON_DATA;
1960 
1961 		pCmd->uScratch.sata_param.cmd_priv = 1;
1962 		if (pMvSataChannel->lba48Address == MV_TRUE){
1963 			pNoUdmaParams->command = MV_ATA_COMMAND_READ_VERIFY_SECTORS_EXT;
1964 			pNoUdmaParams->isEXT = MV_TRUE;
1965 			pNoUdmaParams->lbaHigh = (MV_U16)((Lba & 0xff0000) >> 16);
1966 			pNoUdmaParams->lbaMid = (MV_U16)((Lba & 0xff00) >> 8);
1967 			pNoUdmaParams->lbaLow =
1968 				(MV_U16)(((Lba & 0xff000000) >> 16)| (Lba & 0xff));
1969 			pNoUdmaParams->sectorCount = nSector;
1970 			pNoUdmaParams->device = 0x40;
1971 			result = mvSataQueueCommand(pMvSataAdapter, channel, &commandInfo);
1972 			if (result != MV_QUEUE_COMMAND_RESULT_OK){
1973 				goto queue_failed;
1974 			}
1975 			return;
1976 		}
1977 		else{
1978 			pNoUdmaParams->command = MV_ATA_COMMAND_READ_VERIFY_SECTORS;
1979 			pNoUdmaParams->isEXT = MV_FALSE;
1980 			pNoUdmaParams->lbaHigh = (MV_U16)((Lba & 0xff0000) >> 16);
1981 			pNoUdmaParams->lbaMid = (MV_U16)((Lba & 0xff00) >> 8);
1982 			pNoUdmaParams->lbaLow = (MV_U16)(Lba & 0xff);
1983 			pNoUdmaParams->sectorCount = 0xff & nSector;
1984 			pNoUdmaParams->device = (MV_U8)(0x40 |
1985 				((Lba & 0xf000000) >> 24));
1986 			pNoUdmaParams->callBack = CommandCompletionCB;
1987 			result = mvSataQueueCommand(pMvSataAdapter, channel, &commandInfo);
1988 			/*FIXME: how about the commands already queued? but marvel also forgets to consider this*/
1989 			if (result != MV_QUEUE_COMMAND_RESULT_OK){
1990 				goto queue_failed;
1991 			}
1992 		}
1993 		break;
1994 	default:
1995 		pCmd->Result = RETURN_INVALID_REQUEST;
1996 		CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1997 		break;
1998 	}
1999 }
2000 
2001 /**********************************************************
2002  *
2003  *	Probe the hostadapter.
2004  *
2005  **********************************************************/
2006 static int
2007 hpt_probe(device_t dev)
2008 {
2009 	if ((pci_get_vendor(dev) == MV_SATA_VENDOR_ID) &&
2010 		(pci_get_device(dev) == MV_SATA_DEVICE_ID_5081
2011 #ifdef FOR_DEMO
2012 		|| pci_get_device(dev) == MV_SATA_DEVICE_ID_5080
2013 #endif
2014 		))
2015 	{
2016 		KdPrintI((CONTROLLER_NAME " found\n"));
2017 		device_set_desc(dev, CONTROLLER_NAME);
2018 		return 0;
2019 	}
2020 	else
2021 		return(ENXIO);
2022 }
2023 
2024 /***********************************************************
2025  *
2026  *      Auto configuration:  attach and init a host adapter.
2027  *
2028  ***********************************************************/
2029 static int
2030 hpt_attach(device_t dev)
2031 {
2032 	IAL_ADAPTER_T * pAdapter = device_get_softc(dev);
2033 	int rid;
2034 	union ccb *ccb;
2035 	struct cam_devq *devq;
2036 	struct cam_sim *hpt_vsim;
2037 
2038 	printf("%s Version %s \n", DRIVER_NAME, DRIVER_VERSION);
2039 
2040 	if (!pAdapter)
2041 	{
2042 		pAdapter = (IAL_ADAPTER_T *)malloc(sizeof (IAL_ADAPTER_T), M_DEVBUF, M_NOWAIT);
2043 #if __FreeBSD_version > 410000
2044 		device_set_softc(dev, (void *)pAdapter);
2045 #else
2046 		device_set_driver(dev, (driver_t *)pAdapter);
2047 #endif
2048 	}
2049 
2050 	if (!pAdapter) return (ENOMEM);
2051 	bzero(pAdapter, sizeof(IAL_ADAPTER_T));
2052 
2053 	pAdapter->hpt_dev = dev;
2054 
2055 	rid = init_adapter(pAdapter);
2056 	if (rid)
2057 		return rid;
2058 
2059 	rid = 0;
2060 	if ((pAdapter->hpt_irq = bus_alloc_resource(pAdapter->hpt_dev, SYS_RES_IRQ, &rid, 0, ~0ul, 1, RF_SHAREABLE | RF_ACTIVE)) == NULL)
2061 	{
2062 		hpt_printk(("can't allocate interrupt\n"));
2063 		return(ENXIO);
2064 	}
2065 
2066 #if __FreeBSD_version <700000
2067 	if (bus_setup_intr(pAdapter->hpt_dev, pAdapter->hpt_irq, INTR_TYPE_CAM,
2068 				hpt_intr, pAdapter, &pAdapter->hpt_intr))
2069 #else
2070 	if (bus_setup_intr(pAdapter->hpt_dev, pAdapter->hpt_irq, INTR_TYPE_CAM,
2071 				NULL, hpt_intr, pAdapter, &pAdapter->hpt_intr))
2072 #endif
2073 	{
2074 		hpt_printk(("can't set up interrupt\n"));
2075 		free(pAdapter, M_DEVBUF);
2076 		return(ENXIO);
2077 	}
2078 
2079 
2080 	if((ccb = (union ccb *)malloc(sizeof(*ccb), M_DEVBUF, M_WAITOK)) != (union ccb*)NULL)
2081 	{
2082 		bzero(ccb, sizeof(*ccb));
2083 		ccb->ccb_h.pinfo.priority = 1;
2084 		ccb->ccb_h.pinfo.index = CAM_UNQUEUED_INDEX;
2085 	}
2086 	else
2087 	{
2088 		return ENOMEM;
2089 	}
2090 	/*
2091 	 * Create the device queue for our SIM(s).
2092 	 */
2093 	if((devq = cam_simq_alloc(8/*MAX_QUEUE_COMM*/)) == NULL)
2094 	{
2095 		KdPrint(("ENXIO\n"));
2096 		return ENOMEM;
2097 	}
2098 
2099 	/*
2100 	 * Construct our SIM entry
2101 	 */
2102 #if __FreeBSD_version <700000
2103 	hpt_vsim = cam_sim_alloc(hpt_action, hpt_poll, __str(PROC_DIR_NAME),
2104 			pAdapter, device_get_unit(pAdapter->hpt_dev), 1, 8, devq);
2105 #else
2106 	hpt_vsim = cam_sim_alloc(hpt_action, hpt_poll, __str(PROC_DIR_NAME),
2107 			pAdapter, device_get_unit(pAdapter->hpt_dev), &Giant, 1, 8, devq);
2108 #endif
2109 	if (hpt_vsim == NULL) {
2110 		cam_simq_free(devq);
2111 		return ENOMEM;
2112 	}
2113 
2114 #if __FreeBSD_version <700000
2115 	if (xpt_bus_register(hpt_vsim, 0) != CAM_SUCCESS)
2116 #else
2117 	if (xpt_bus_register(hpt_vsim, dev, 0) != CAM_SUCCESS)
2118 #endif
2119 	{
2120 		cam_sim_free(hpt_vsim, /*free devq*/ TRUE);
2121 		hpt_vsim = NULL;
2122 		return ENXIO;
2123 	}
2124 
2125 	if(xpt_create_path(&pAdapter->path, /*periph */ NULL,
2126 			cam_sim_path(hpt_vsim), CAM_TARGET_WILDCARD,
2127 			CAM_LUN_WILDCARD) != CAM_REQ_CMP)
2128 	{
2129 		xpt_bus_deregister(cam_sim_path(hpt_vsim));
2130 		cam_sim_free(hpt_vsim, /*free_devq*/TRUE);
2131 		hpt_vsim = NULL;
2132 		return ENXIO;
2133 	}
2134 
2135 	xpt_setup_ccb(&(ccb->ccb_h), pAdapter->path, /*priority*/5);
2136 	ccb->ccb_h.func_code = XPT_SASYNC_CB;
2137 	ccb->csa.event_enable = AC_LOST_DEVICE;
2138 	ccb->csa.callback = hpt_async;
2139 	ccb->csa.callback_arg = hpt_vsim;
2140 	xpt_action((union ccb *)ccb);
2141 	free(ccb, M_DEVBUF);
2142 
2143 	if (device_get_unit(dev) == 0) {
2144 		/* Start the work thread.  XXX */
2145 		launch_worker_thread();
2146 	}
2147 
2148 	return 0;
2149 }
2150 
2151 static int
2152 hpt_detach(device_t dev)
2153 {
2154 	return (EBUSY);
2155 }
2156 
2157 
2158 /***************************************************************
2159  * The poll function is used to simulate the interrupt when
2160  * the interrupt subsystem is not functioning.
2161  *
2162  ***************************************************************/
2163 static void
2164 hpt_poll(struct cam_sim *sim)
2165 {
2166 	hpt_intr((void *)cam_sim_softc(sim));
2167 }
2168 
2169 /****************************************************************
2170  *	Name:	hpt_intr
2171  *	Description:	Interrupt handler.
2172  ****************************************************************/
2173 static void
2174 hpt_intr(void *arg)
2175 {
2176 	IAL_ADAPTER_T *pAdapter = (IAL_ADAPTER_T *)arg;
2177 	intrmask_t oldspl = lock_driver();
2178 
2179 	/* KdPrintI(("----- Entering Isr() -----\n")); */
2180 	if (mvSataInterruptServiceRoutine(&pAdapter->mvSataAdapter) == MV_TRUE)
2181 	{
2182 		_VBUS_INST(&pAdapter->VBus)
2183 		CheckPendingCall(_VBUS_P0);
2184 	}
2185 
2186 	/* KdPrintI(("----- Leaving Isr() -----\n")); */
2187 	unlock_driver(oldspl);
2188 }
2189 
2190 /**********************************************************
2191  * 			Asynchronous Events
2192  *********************************************************/
2193 #if (!defined(UNREFERENCED_PARAMETER))
2194 #define UNREFERENCED_PARAMETER(x) (void)(x)
2195 #endif
2196 
2197 static void
2198 hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path,
2199     void * arg)
2200 {
2201 	/* debug XXXX */
2202 	panic("Here");
2203 	UNREFERENCED_PARAMETER(callback_arg);
2204 	UNREFERENCED_PARAMETER(code);
2205 	UNREFERENCED_PARAMETER(path);
2206 	UNREFERENCED_PARAMETER(arg);
2207 
2208 }
2209 
2210 static void
2211 FlushAdapter(IAL_ADAPTER_T *pAdapter)
2212 {
2213 	int i;
2214 
2215 	hpt_printk(("flush all devices\n"));
2216 
2217 	/* flush all devices */
2218 	for (i=0; i<MAX_VDEVICE_PER_VBUS; i++) {
2219 		PVDevice pVDev = pAdapter->VBus.pVDevice[i];
2220 		if(pVDev) fFlushVDev(pVDev);
2221 	}
2222 }
2223 
2224 static int
2225 hpt_shutdown(device_t dev)
2226 {
2227 		IAL_ADAPTER_T *pAdapter;
2228 
2229 		pAdapter = device_get_softc(dev);
2230 		if (pAdapter == NULL)
2231 			return (EINVAL);
2232 
2233 		EVENTHANDLER_DEREGISTER(shutdown_final, pAdapter->eh);
2234 		FlushAdapter(pAdapter);
2235 		  /* give the flush some time to happen,
2236 		    *otherwise "shutdown -p now" will make file system corrupted */
2237 		DELAY(1000 * 1000 * 5);
2238 		return 0;
2239 }
2240 
2241 void
2242 Check_Idle_Call(IAL_ADAPTER_T *pAdapter)
2243 {
2244 	_VBUS_INST(&pAdapter->VBus)
2245 
2246 	if (mWaitingForIdle(_VBUS_P0)) {
2247 		CheckIdleCall(_VBUS_P0);
2248 #ifdef SUPPORT_ARRAY
2249 		{
2250 			int i;
2251 			PVDevice pArray;
2252 			for(i = 0; i < MAX_ARRAY_PER_VBUS; i++){
2253 				if ((pArray=ArrayTables(i))->u.array.dArStamp==0)
2254 					continue;
2255 				else if (pArray->u.array.rf_auto_rebuild) {
2256 						KdPrint(("auto rebuild.\n"));
2257 						pArray->u.array.rf_auto_rebuild = 0;
2258 						hpt_queue_dpc((HPT_DPC)hpt_rebuild_data_block, pAdapter, pArray, DUPLICATE);
2259 				}
2260 			}
2261 		}
2262 #endif
2263 	}
2264 	/* launch the awaiting commands blocked by mWaitingForIdle */
2265 	while(pAdapter->pending_Q!= NULL)
2266 	{
2267 		_VBUS_INST(&pAdapter->VBus)
2268 		union ccb *ccb = (union ccb *)pAdapter->pending_Q->ccb_h.ccb_ccb_ptr;
2269 		hpt_free_ccb(&pAdapter->pending_Q, ccb);
2270 		CallAfterReturn(_VBUS_P (DPC_PROC)OsSendCommand, ccb);
2271 	}
2272 }
2273 
2274 static void
2275 ccb_done(union ccb *ccb)
2276 {
2277 	PBUS_DMAMAP pmap = (PBUS_DMAMAP)ccb->ccb_adapter;
2278 	IAL_ADAPTER_T * pAdapter = pmap->pAdapter;
2279 	KdPrintI(("ccb_done: ccb %p status %x\n", ccb, ccb->ccb_h.status));
2280 
2281 	dmamap_put(pmap);
2282 	xpt_done(ccb);
2283 
2284 	pAdapter->outstandingCommands--;
2285 
2286 	if (pAdapter->outstandingCommands == 0)
2287 	{
2288 		if(DPC_Request_Nums == 0)
2289 			Check_Idle_Call(pAdapter);
2290 	}
2291 }
2292 
2293 /****************************************************************
2294  *	Name:	hpt_action
2295  *	Description:	Process a queued command from the CAM layer.
2296  *	Parameters:		sim - Pointer to SIM object
2297  *					ccb - Pointer to SCSI command structure.
2298  ****************************************************************/
2299 
2300 void
2301 hpt_action(struct cam_sim *sim, union ccb *ccb)
2302 {
2303 	intrmask_t oldspl;
2304 	IAL_ADAPTER_T * pAdapter = (IAL_ADAPTER_T *) cam_sim_softc(sim);
2305 	PBUS_DMAMAP  pmap;
2306 	_VBUS_INST(&pAdapter->VBus)
2307 
2308 	CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("hpt_action\n"));
2309 	KdPrint(("hpt_action(%lx,%lx{%x})\n", (u_long)sim, (u_long)ccb, ccb->ccb_h.func_code));
2310 
2311 	switch (ccb->ccb_h.func_code)
2312 	{
2313 		case XPT_SCSI_IO:	/* Execute the requested I/O operation */
2314 		{
2315 			/* ccb->ccb_h.path_id is not our bus id - don't check it */
2316 
2317 			if (ccb->ccb_h.target_lun)	{
2318 				ccb->ccb_h.status = CAM_LUN_INVALID;
2319 				xpt_done(ccb);
2320 				return;
2321 			}
2322 			if (ccb->ccb_h.target_id >= MAX_VDEVICE_PER_VBUS ||
2323 				pAdapter->VBus.pVDevice[ccb->ccb_h.target_id]==0) {
2324 				ccb->ccb_h.status = CAM_TID_INVALID;
2325 				xpt_done(ccb);
2326 				return;
2327 			}
2328 
2329 			oldspl = lock_driver();
2330 			if (pAdapter->outstandingCommands==0 && DPC_Request_Nums==0)
2331 				Check_Idle_Call(pAdapter);
2332 
2333 			pmap = dmamap_get(pAdapter);
2334 			HPT_ASSERT(pmap);
2335 			ccb->ccb_adapter = pmap;
2336 			memset((void *)pmap->psg, 0,  sizeof(pmap->psg));
2337 
2338 			if (mWaitingForIdle(_VBUS_P0))
2339 				hpt_queue_ccb(&pAdapter->pending_Q, ccb);
2340 			else
2341 				OsSendCommand(_VBUS_P ccb);
2342 			unlock_driver(oldspl);
2343 
2344 			/* KdPrint(("leave scsiio\n")); */
2345 			break;
2346 		}
2347 
2348 		case XPT_RESET_BUS:
2349 			KdPrint(("reset bus\n"));
2350 			oldspl = lock_driver();
2351 			fResetVBus(_VBUS_P0);
2352 			unlock_driver(oldspl);
2353 			xpt_done(ccb);
2354 			break;
2355 
2356 		case XPT_RESET_DEV:	/* Bus Device Reset the specified SCSI device */
2357 		case XPT_EN_LUN:		/* Enable LUN as a target */
2358 		case XPT_TARGET_IO:		/* Execute target I/O request */
2359 		case XPT_ACCEPT_TARGET_IO:	/* Accept Host Target Mode CDB */
2360 		case XPT_CONT_TARGET_IO:	/* Continue Host Target I/O Connection*/
2361 		case XPT_ABORT:			/* Abort the specified CCB */
2362 		case XPT_TERM_IO:		/* Terminate the I/O process */
2363 			/* XXX Implement */
2364 			ccb->ccb_h.status = CAM_REQ_INVALID;
2365 			xpt_done(ccb);
2366 			break;
2367 
2368 		case XPT_GET_TRAN_SETTINGS:
2369 		case XPT_SET_TRAN_SETTINGS:
2370 			/* XXX Implement */
2371 			ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
2372 			xpt_done(ccb);
2373 			break;
2374 
2375 		case XPT_CALC_GEOMETRY:
2376 #if __FreeBSD_version >= 500000
2377 			cam_calc_geometry(&ccb->ccg, 1);
2378 #else
2379 			{
2380 			struct	  ccb_calc_geometry *ccg;
2381 			u_int32_t size_mb;
2382 			u_int32_t secs_per_cylinder;
2383 
2384 			ccg = &ccb->ccg;
2385 			size_mb = ccg->volume_size / ((1024L * 1024L) / ccg->block_size);
2386 
2387 			if (size_mb > 1024 ) {
2388 				ccg->heads = 255;
2389 				ccg->secs_per_track = 63;
2390 			} else {
2391 				ccg->heads = 64;
2392 				ccg->secs_per_track = 32;
2393 			}
2394 			secs_per_cylinder = ccg->heads * ccg->secs_per_track;
2395 			ccg->cylinders = ccg->volume_size / secs_per_cylinder;
2396 			ccb->ccb_h.status = CAM_REQ_CMP;
2397 			}
2398 #endif
2399 			xpt_done(ccb);
2400 			break;
2401 
2402 		case XPT_PATH_INQ:		/* Path routing inquiry */
2403 		{
2404 			struct ccb_pathinq *cpi = &ccb->cpi;
2405 
2406 			cpi->version_num = 1; /* XXX??? */
2407 			cpi->hba_inquiry = PI_SDTR_ABLE;
2408 			cpi->target_sprt = 0;
2409 			/* Not necessary to reset bus */
2410 			cpi->hba_misc = PIM_NOBUSRESET;
2411 			cpi->hba_eng_cnt = 0;
2412 
2413 			cpi->max_target = MAX_VDEVICE_PER_VBUS;
2414 			cpi->max_lun = 0;
2415 			cpi->initiator_id = MAX_VDEVICE_PER_VBUS;
2416 
2417 			cpi->bus_id = cam_sim_bus(sim);
2418 			cpi->base_transfer_speed = 3300;
2419 			strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
2420 			strncpy(cpi->hba_vid, "HPT   ", HBA_IDLEN);
2421 			strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
2422 			cpi->unit_number = cam_sim_unit(sim);
2423 			cpi->transport = XPORT_SPI;
2424 			cpi->transport_version = 2;
2425 			cpi->protocol = PROTO_SCSI;
2426 			cpi->protocol_version = SCSI_REV_2;
2427 			cpi->ccb_h.status = CAM_REQ_CMP;
2428 			xpt_done(ccb);
2429 			break;
2430 		}
2431 
2432 		default:
2433 			KdPrint(("invalid cmd\n"));
2434 			ccb->ccb_h.status = CAM_REQ_INVALID;
2435 			xpt_done(ccb);
2436 			break;
2437 	}
2438 	/* KdPrint(("leave hpt_action..............\n")); */
2439 }
2440 
2441 /* shall be called at lock_driver() */
2442 static void
2443 hpt_queue_ccb(union ccb **ccb_Q, union ccb *ccb)
2444 {
2445 	if(*ccb_Q == NULL)
2446 		ccb->ccb_h.ccb_ccb_ptr = ccb;
2447 	else {
2448 		ccb->ccb_h.ccb_ccb_ptr = (*ccb_Q)->ccb_h.ccb_ccb_ptr;
2449 		(*ccb_Q)->ccb_h.ccb_ccb_ptr = (char *)ccb;
2450 	}
2451 
2452 	*ccb_Q = ccb;
2453 }
2454 
2455 /* shall be called at lock_driver() */
2456 static void
2457 hpt_free_ccb(union ccb **ccb_Q, union ccb *ccb)
2458 {
2459 	union ccb *TempCCB;
2460 
2461 	TempCCB = *ccb_Q;
2462 
2463 	if(ccb->ccb_h.ccb_ccb_ptr == ccb) /*it means SCpnt is the last one in CURRCMDs*/
2464 		*ccb_Q = NULL;
2465 	else {
2466 		while(TempCCB->ccb_h.ccb_ccb_ptr != (char *)ccb)
2467 			TempCCB = (union ccb *)TempCCB->ccb_h.ccb_ccb_ptr;
2468 
2469 		TempCCB->ccb_h.ccb_ccb_ptr = ccb->ccb_h.ccb_ccb_ptr;
2470 
2471 		if(*ccb_Q == ccb)
2472 			*ccb_Q = TempCCB;
2473 	}
2474 }
2475 
2476 #ifdef SUPPORT_ARRAY
2477 /***************************************************************************
2478  * Function:     hpt_worker_thread
2479  * Description:  Do background rebuilding. Execute in kernel thread context.
2480  * Returns:      None
2481  ***************************************************************************/
2482 static void hpt_worker_thread(void)
2483 {
2484 	intrmask_t oldspl;
2485 
2486 	for(;;)	{
2487 		while (DpcQueue_First!=DpcQueue_Last) {
2488 			ST_HPT_DPC p;
2489 			oldspl = lock_driver();
2490 			p = DpcQueue[DpcQueue_First];
2491 			DpcQueue_First++;
2492 			DpcQueue_First %= MAX_DPC;
2493 			DPC_Request_Nums++;
2494 			unlock_driver(oldspl);
2495 			p.dpc(p.pAdapter, p.arg, p.flags);
2496 
2497 			oldspl = lock_driver();
2498 			DPC_Request_Nums--;
2499 			/* since we may have prevented Check_Idle_Call, do it here */
2500 			if (DPC_Request_Nums==0) {
2501 				if (p.pAdapter->outstandingCommands == 0) {
2502 					_VBUS_INST(&p.pAdapter->VBus);
2503 					Check_Idle_Call(p.pAdapter);
2504 					CheckPendingCall(_VBUS_P0);
2505 				}
2506 			}
2507 			unlock_driver(oldspl);
2508 
2509 			/*Schedule out*/
2510 #if (__FreeBSD_version < 500000)
2511 			YIELD_THREAD;
2512 #else
2513 #if (__FreeBSD_version > 700033)
2514 			pause("sched", 1);
2515 #else
2516 			tsleep((caddr_t)hpt_worker_thread, PPAUSE, "sched", 1);
2517 #endif
2518 #endif
2519 			if (SIGISMEMBER(curproc->p_siglist, SIGSTOP)) {
2520 				/* abort rebuilding process. */
2521 				IAL_ADAPTER_T *pAdapter;
2522 				PVDevice      pArray;
2523 				PVBus         _vbus_p;
2524 				int i;
2525 				pAdapter = gIal_Adapter;
2526 
2527 				while(pAdapter != 0){
2528 
2529 					_vbus_p = &pAdapter->VBus;
2530 
2531 					for (i=0;i<MAX_ARRAY_PER_VBUS;i++)
2532 					{
2533 						if ((pArray=ArrayTables(i))->u.array.dArStamp==0)
2534 							continue;
2535 						else if (pArray->u.array.rf_rebuilding ||
2536 								pArray->u.array.rf_verifying ||
2537 								pArray->u.array.rf_initializing)
2538 							{
2539 								pArray->u.array.rf_abort_rebuild = 1;
2540 							}
2541 					}
2542 					pAdapter = pAdapter->next;
2543 				}
2544 			}
2545 		}
2546 
2547 /*Remove this debug option*/
2548 /*
2549 #ifdef DEBUG
2550 		if (SIGISMEMBER(curproc->p_siglist, SIGSTOP))
2551 #if (__FreeBSD_version > 700033)
2552 			pause("hptrdy", 2*hz);
2553 #else
2554 			tsleep((caddr_t)hpt_worker_thread, PPAUSE, "hptrdy", 2*hz);
2555 #endif
2556 #endif
2557 */
2558 	#if (__FreeBSD_version >= 800002)
2559 		kproc_suspend_check(curproc);
2560 	#elif (__FreeBSD_version >= 500043)
2561 		kthread_suspend_check(curproc);
2562 	#else
2563 		kproc_suspend_loop(curproc);
2564 	#endif
2565 #if (__FreeBSD_version > 700033)
2566 		pause("hptrdy", 2*hz);  /* wait for something to do */
2567 #else
2568 		tsleep((caddr_t)hpt_worker_thread, PPAUSE, "hptrdy", 2*hz);  /* wait for something to do */
2569 #endif
2570 	}
2571 }
2572 
2573 static struct proc *hptdaemonproc;
2574 static struct kproc_desc hpt_kp = {
2575 	"hpt_wt",
2576 	hpt_worker_thread,
2577 	&hptdaemonproc
2578 };
2579 
2580 /*Start this thread in the hpt_attach, to prevent kernel from loading it without our controller.*/
2581 static void
2582 launch_worker_thread(void)
2583 {
2584 	IAL_ADAPTER_T *pAdapTemp;
2585 
2586 	kproc_start(&hpt_kp);
2587 
2588 	for (pAdapTemp = gIal_Adapter; pAdapTemp; pAdapTemp = pAdapTemp->next) {
2589 
2590 		_VBUS_INST(&pAdapTemp->VBus)
2591 		int i;
2592 		PVDevice pVDev;
2593 
2594 		for(i = 0; i < MAX_ARRAY_PER_VBUS; i++)
2595 			if ((pVDev=ArrayTables(i))->u.array.dArStamp==0)
2596 				continue;
2597 			else{
2598 				if (pVDev->u.array.rf_need_rebuild && !pVDev->u.array.rf_rebuilding)
2599 					hpt_queue_dpc((HPT_DPC)hpt_rebuild_data_block, pAdapTemp, pVDev,
2600 					(UCHAR)((pVDev->u.array.CriticalMembers || pVDev->VDeviceType == VD_RAID_1)? DUPLICATE : REBUILD_PARITY));
2601 			}
2602 	}
2603 
2604 	/*
2605 	 * hpt_worker_thread needs to be suspended after shutdown sync, when fs sync finished.
2606 	 */
2607 #if (__FreeBSD_version < 500043)
2608 	EVENTHANDLER_REGISTER(shutdown_post_sync, shutdown_kproc, hptdaemonproc, SHUTDOWN_PRI_FIRST);
2609 #else
2610 	EVENTHANDLER_REGISTER(shutdown_post_sync, kproc_shutdown, hptdaemonproc, SHUTDOWN_PRI_FIRST);
2611 #endif
2612 }
2613 /*
2614  *SYSINIT(hptwt, SI_SUB_KTHREAD_IDLE, SI_ORDER_FIRST, launch_worker_thread, NULL);
2615 */
2616 
2617 #endif
2618 
2619 /********************************************************************************/
2620 
2621 int HPTLIBAPI fOsBuildSgl(_VBUS_ARG PCommand pCmd, FPSCAT_GATH pSg, int logical)
2622 {
2623 	union ccb *ccb = (union ccb *)pCmd->pOrgCommand;
2624 	bus_dma_segment_t *sgList = (bus_dma_segment_t *)ccb->csio.data_ptr;
2625 	int idx;
2626 
2627 	if(logical) {
2628 		if (ccb->ccb_h.flags & CAM_DATA_PHYS)
2629 			panic("physical address unsupported");
2630 
2631 		if (ccb->ccb_h.flags & CAM_SCATTER_VALID) {
2632 			if (ccb->ccb_h.flags & CAM_SG_LIST_PHYS)
2633 				panic("physical address unsupported");
2634 
2635 			for (idx = 0; idx < ccb->csio.sglist_cnt; idx++) {
2636 				pSg[idx].dSgAddress = (ULONG_PTR)(UCHAR *)sgList[idx].ds_addr;
2637 				pSg[idx].wSgSize = sgList[idx].ds_len;
2638 				pSg[idx].wSgFlag = (idx==ccb->csio.sglist_cnt-1)? SG_FLAG_EOT : 0;
2639 			}
2640 		}
2641 		else {
2642 			pSg->dSgAddress = (ULONG_PTR)(UCHAR *)ccb->csio.data_ptr;
2643 			pSg->wSgSize = ccb->csio.dxfer_len;
2644 			pSg->wSgFlag = SG_FLAG_EOT;
2645 		}
2646 		return TRUE;
2647 	}
2648 
2649 	/* since we have provided physical sg, nobody will ask us to build physical sg */
2650 	HPT_ASSERT(0);
2651 	return FALSE;
2652 }
2653 
2654 /*******************************************************************************/
2655 ULONG HPTLIBAPI
2656 GetStamp(void)
2657 {
2658 	/*
2659 	 * the system variable, ticks, can't be used since it hasn't yet been active
2660 	 * when our driver starts (ticks==0, it's a invalid stamp value)
2661 	 */
2662 	ULONG stamp;
2663 	do { stamp = random(); } while (stamp==0);
2664 	return stamp;
2665 }
2666 
2667 
2668 static void
2669 SetInquiryData(PINQUIRYDATA inquiryData, PVDevice pVDev)
2670 {
2671 	int i;
2672 	IDENTIFY_DATA2 *pIdentify = (IDENTIFY_DATA2*)pVDev->u.disk.mv->identifyDevice;
2673 
2674 	inquiryData->DeviceType = T_DIRECT; /*DIRECT_ACCESS_DEVICE*/
2675 	inquiryData->AdditionalLength = (UCHAR)(sizeof(INQUIRYDATA) - 5);
2676 #ifndef SERIAL_CMDS
2677 	inquiryData->CommandQueue = 1;
2678 #endif
2679 
2680 	switch(pVDev->VDeviceType) {
2681 	case VD_SINGLE_DISK:
2682 	case VD_ATAPI:
2683 	case VD_REMOVABLE:
2684 		/* Set the removable bit, if applicable. */
2685 		if ((pVDev->u.disk.df_removable_drive) || (pIdentify->GeneralConfiguration & 0x80))
2686 			inquiryData->RemovableMedia = 1;
2687 
2688 		/* Fill in vendor identification fields. */
2689 		for (i = 0; i < 20; i += 2) {
2690 			inquiryData->VendorId[i] 	= ((PUCHAR)pIdentify->ModelNumber)[i + 1];
2691 			inquiryData->VendorId[i+1] 	= ((PUCHAR)pIdentify->ModelNumber)[i];
2692 
2693 		}
2694 
2695 		/* Initialize unused portion of product id. */
2696 		for (i = 0; i < 4; i++) inquiryData->ProductId[12+i] = ' ';
2697 
2698 		/* firmware revision */
2699 		for (i = 0; i < 4; i += 2)
2700 		{
2701 			inquiryData->ProductRevisionLevel[i] 	= ((PUCHAR)pIdentify->FirmwareRevision)[i+1];
2702 			inquiryData->ProductRevisionLevel[i+1] 	= ((PUCHAR)pIdentify->FirmwareRevision)[i];
2703 		}
2704 		break;
2705 	default:
2706 		memcpy(&inquiryData->VendorId, "RR18xx  ", 8);
2707 #ifdef SUPPORT_ARRAY
2708 		switch(pVDev->VDeviceType){
2709 		case VD_RAID_0:
2710 			if ((pVDev->u.array.pMember[0] && mIsArray(pVDev->u.array.pMember[0])) ||
2711 				(pVDev->u.array.pMember[1] && mIsArray(pVDev->u.array.pMember[1])))
2712 				memcpy(&inquiryData->ProductId, "RAID 1/0 Array  ", 16);
2713 			else
2714 				memcpy(&inquiryData->ProductId, "RAID 0 Array    ", 16);
2715 			break;
2716 		case VD_RAID_1:
2717 			if ((pVDev->u.array.pMember[0] && mIsArray(pVDev->u.array.pMember[0])) ||
2718 				(pVDev->u.array.pMember[1] && mIsArray(pVDev->u.array.pMember[1])))
2719 				memcpy(&inquiryData->ProductId, "RAID 0/1 Array  ", 16);
2720 			else
2721 				memcpy(&inquiryData->ProductId, "RAID 1 Array    ", 16);
2722 			break;
2723 		case VD_RAID_5:
2724 			memcpy(&inquiryData->ProductId, "RAID 5 Array    ", 16);
2725 			break;
2726 		case VD_JBOD:
2727 			memcpy(&inquiryData->ProductId, "JBOD Array      ", 16);
2728 			break;
2729 		}
2730 #endif
2731 		memcpy(&inquiryData->ProductRevisionLevel, "3.00", 4);
2732 		break;
2733 	}
2734 }
2735 
2736 static void
2737 hpt_timeout(void *arg)
2738 {
2739 	_VBUS_INST(&((PBUS_DMAMAP)((union ccb *)arg)->ccb_adapter)->pAdapter->VBus)
2740 	intrmask_t oldspl = lock_driver();
2741 	fResetVBus(_VBUS_P0);
2742 	unlock_driver(oldspl);
2743 }
2744 
2745 static void
2746 hpt_io_dmamap_callback(void *arg, bus_dma_segment_t *segs, int nsegs, int error)
2747 {
2748 	PCommand pCmd = (PCommand)arg;
2749 	union ccb *ccb = pCmd->pOrgCommand;
2750 	struct ccb_hdr *ccb_h = &ccb->ccb_h;
2751 	PBUS_DMAMAP pmap = (PBUS_DMAMAP) ccb->ccb_adapter;
2752 	IAL_ADAPTER_T *pAdapter = pmap->pAdapter;
2753 	PVDevice	pVDev = pAdapter->VBus.pVDevice[ccb_h->target_id];
2754 	FPSCAT_GATH psg = pCmd->pSgTable;
2755 	int idx;
2756 	_VBUS_INST(pVDev->pVBus)
2757 
2758 	HPT_ASSERT(pCmd->cf_physical_sg);
2759 
2760 	if (error || nsegs == 0)
2761 		panic("busdma error");
2762 
2763 	HPT_ASSERT(nsegs<= MAX_SG_DESCRIPTORS);
2764 
2765 	for (idx = 0; idx < nsegs; idx++, psg++) {
2766 		psg->dSgAddress = (ULONG_PTR)(UCHAR *)segs[idx].ds_addr;
2767 		psg->wSgSize = segs[idx].ds_len;
2768 		psg->wSgFlag = (idx == nsegs-1)? SG_FLAG_EOT: 0;
2769 /*		KdPrint(("psg[%d]:add=%p,size=%x,flag=%x\n", idx, psg->dSgAddress,psg->wSgSize,psg->wSgFlag)); */
2770 	}
2771 /*	psg[-1].wSgFlag = SG_FLAG_EOT; */
2772 
2773 	if (pCmd->cf_data_in) {
2774 		bus_dmamap_sync(pAdapter->io_dma_parent, pmap->dma_map, BUS_DMASYNC_PREREAD);
2775 	}
2776 	else if (pCmd->cf_data_out) {
2777 		bus_dmamap_sync(pAdapter->io_dma_parent, pmap->dma_map, BUS_DMASYNC_PREWRITE);
2778 	}
2779 
2780 	ccb->ccb_h.timeout_ch = timeout(hpt_timeout, (caddr_t)ccb, 20*hz);
2781 	pVDev->pfnSendCommand(_VBUS_P pCmd);
2782 	CheckPendingCall(_VBUS_P0);
2783 }
2784 
2785 
2786 
2787 static void HPTLIBAPI
2788 OsSendCommand(_VBUS_ARG union ccb *ccb)
2789 {
2790 	PBUS_DMAMAP pmap = (PBUS_DMAMAP)ccb->ccb_adapter;
2791 	IAL_ADAPTER_T *pAdapter = pmap->pAdapter;
2792 	struct ccb_hdr *ccb_h = &ccb->ccb_h;
2793 	struct ccb_scsiio *csio = &ccb->csio;
2794 	PVDevice	pVDev = pAdapter->VBus.pVDevice[ccb_h->target_id];
2795 
2796 	KdPrintI(("OsSendCommand: ccb %p  cdb %x-%x-%x\n",
2797 		ccb,
2798 		*(ULONG *)&ccb->csio.cdb_io.cdb_bytes[0],
2799 		*(ULONG *)&ccb->csio.cdb_io.cdb_bytes[4],
2800 		*(ULONG *)&ccb->csio.cdb_io.cdb_bytes[8]
2801 	));
2802 
2803 	pAdapter->outstandingCommands++;
2804 
2805 	if (pVDev == NULL || pVDev->vf_online == 0) {
2806 		ccb->ccb_h.status = CAM_REQ_INVALID;
2807 		ccb_done(ccb);
2808 		goto Command_Complished;
2809 	}
2810 
2811 	switch(ccb->csio.cdb_io.cdb_bytes[0])
2812 	{
2813 		case TEST_UNIT_READY:
2814 		case START_STOP_UNIT:
2815 		case SYNCHRONIZE_CACHE:
2816 			/* FALLTHROUGH */
2817 			ccb->ccb_h.status = CAM_REQ_CMP;
2818 			break;
2819 
2820 		case INQUIRY:
2821 			ZeroMemory(ccb->csio.data_ptr, ccb->csio.dxfer_len);
2822 			SetInquiryData((PINQUIRYDATA)ccb->csio.data_ptr, pVDev);
2823 			ccb_h->status = CAM_REQ_CMP;
2824 			break;
2825 
2826 		case READ_CAPACITY:
2827 		{
2828 			UCHAR *rbuf=csio->data_ptr;
2829 			unsigned int cap;
2830 
2831 			if (pVDev->VDeviceCapacity > 0xfffffffful) {
2832 				cap = 0xfffffffful;
2833 			} else {
2834 				cap = pVDev->VDeviceCapacity - 1;
2835 			}
2836 
2837 			rbuf[0] = (UCHAR)(cap>>24);
2838 			rbuf[1] = (UCHAR)(cap>>16);
2839 			rbuf[2] = (UCHAR)(cap>>8);
2840 			rbuf[3] = (UCHAR)cap;
2841 			/* Claim 512 byte blocks (big-endian). */
2842 			rbuf[4] = 0;
2843 			rbuf[5] = 0;
2844 			rbuf[6] = 2;
2845 			rbuf[7] = 0;
2846 
2847 			ccb_h->status = CAM_REQ_CMP;
2848 			break;
2849 		}
2850 
2851 		case 0x9e: /*SERVICE_ACTION_IN*/
2852 		{
2853 			UCHAR *rbuf = csio->data_ptr;
2854 			LBA_T cap = pVDev->VDeviceCapacity - 1;
2855 
2856 			rbuf[0] = (UCHAR)(cap>>56);
2857 			rbuf[1] = (UCHAR)(cap>>48);
2858 			rbuf[2] = (UCHAR)(cap>>40);
2859 			rbuf[3] = (UCHAR)(cap>>32);
2860 			rbuf[4] = (UCHAR)(cap>>24);
2861 			rbuf[5] = (UCHAR)(cap>>16);
2862 			rbuf[6] = (UCHAR)(cap>>8);
2863 			rbuf[7] = (UCHAR)cap;
2864 			rbuf[8] = 0;
2865 			rbuf[9] = 0;
2866 			rbuf[10] = 2;
2867 			rbuf[11] = 0;
2868 
2869 			ccb_h->status = CAM_REQ_CMP;
2870 			break;
2871 		}
2872 
2873 		case READ_6:
2874 		case WRITE_6:
2875 		case READ_10:
2876 		case WRITE_10:
2877 		case 0x88: /* READ_16 */
2878 		case 0x8a: /* WRITE_16 */
2879 		case 0x13:
2880 		case 0x2f:
2881 		{
2882 			UCHAR Cdb[16];
2883 			UCHAR CdbLength;
2884 			_VBUS_INST(pVDev->pVBus)
2885 			PCommand pCmd = AllocateCommand(_VBUS_P0);
2886 			HPT_ASSERT(pCmd);
2887 
2888 			CdbLength = csio->cdb_len;
2889 			if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0)
2890 			{
2891 				if ((ccb->ccb_h.flags & CAM_CDB_PHYS) == 0)
2892 				{
2893 					bcopy(csio->cdb_io.cdb_ptr, Cdb, CdbLength);
2894 				}
2895 				else
2896 				{
2897 					KdPrintE(("ERROR!!!\n"));
2898 					ccb->ccb_h.status = CAM_REQ_INVALID;
2899 					break;
2900 				}
2901 			}
2902 			else
2903 			{
2904 				bcopy(csio->cdb_io.cdb_bytes, Cdb, CdbLength);
2905 			}
2906 
2907 			pCmd->pOrgCommand = ccb;
2908 			pCmd->pVDevice = pVDev;
2909 			pCmd->pfnCompletion = fOsCommandDone;
2910 			pCmd->pfnBuildSgl = fOsBuildSgl;
2911 			pCmd->pSgTable = pmap->psg;
2912 
2913 			switch (Cdb[0])
2914 			{
2915 				case READ_6:
2916 				case WRITE_6:
2917 				case 0x13:
2918 					pCmd->uCmd.Ide.Lba =  ((ULONG)Cdb[1] << 16) | ((ULONG)Cdb[2] << 8) | (ULONG)Cdb[3];
2919 					pCmd->uCmd.Ide.nSectors = (USHORT) Cdb[4];
2920 					break;
2921 
2922 				case 0x88: /* READ_16 */
2923 				case 0x8a: /* WRITE_16 */
2924 					pCmd->uCmd.Ide.Lba =
2925 						(HPT_U64)Cdb[2] << 56 |
2926 						(HPT_U64)Cdb[3] << 48 |
2927 						(HPT_U64)Cdb[4] << 40 |
2928 						(HPT_U64)Cdb[5] << 32 |
2929 						(HPT_U64)Cdb[6] << 24 |
2930 						(HPT_U64)Cdb[7] << 16 |
2931 						(HPT_U64)Cdb[8] << 8 |
2932 						(HPT_U64)Cdb[9];
2933 					pCmd->uCmd.Ide.nSectors = (USHORT)Cdb[12] << 8 | (USHORT)Cdb[13];
2934 					break;
2935 
2936 				default:
2937 					pCmd->uCmd.Ide.Lba = (ULONG)Cdb[5] | ((ULONG)Cdb[4] << 8) | ((ULONG)Cdb[3] << 16) | ((ULONG)Cdb[2] << 24);
2938 					pCmd->uCmd.Ide.nSectors = (USHORT) Cdb[8] | ((USHORT)Cdb[7]<<8);
2939 					break;
2940 			}
2941 
2942 			switch (Cdb[0])
2943 			{
2944 				case READ_6:
2945 				case READ_10:
2946 				case 0x88: /* READ_16 */
2947 					pCmd->uCmd.Ide.Command = IDE_COMMAND_READ;
2948 					pCmd->cf_data_in = 1;
2949 					break;
2950 
2951 				case WRITE_6:
2952 				case WRITE_10:
2953 				case 0x8a: /* WRITE_16 */
2954 					pCmd->uCmd.Ide.Command = IDE_COMMAND_WRITE;
2955 					pCmd->cf_data_out = 1;
2956 					break;
2957 				case 0x13:
2958 				case 0x2f:
2959 					pCmd->uCmd.Ide.Command = IDE_COMMAND_VERIFY;
2960 					break;
2961 			}
2962 /*///////////////////////// */
2963 			if (ccb->ccb_h.flags & CAM_SCATTER_VALID) {
2964 				int idx;
2965 				bus_dma_segment_t *sgList = (bus_dma_segment_t *)ccb->csio.data_ptr;
2966 
2967 				if (ccb->ccb_h.flags & CAM_SG_LIST_PHYS)
2968 					pCmd->cf_physical_sg = 1;
2969 
2970 				for (idx = 0; idx < ccb->csio.sglist_cnt; idx++) {
2971 					pCmd->pSgTable[idx].dSgAddress = (ULONG_PTR)(UCHAR *)sgList[idx].ds_addr;
2972 					pCmd->pSgTable[idx].wSgSize = sgList[idx].ds_len;
2973 					pCmd->pSgTable[idx].wSgFlag= (idx==ccb->csio.sglist_cnt-1)?SG_FLAG_EOT: 0;
2974 				}
2975 
2976 				ccb->ccb_h.timeout_ch = timeout(hpt_timeout, (caddr_t)ccb, 20*hz);
2977 				pVDev->pfnSendCommand(_VBUS_P pCmd);
2978 			}
2979 			else {
2980 				int error;
2981 				pCmd->cf_physical_sg = 1;
2982 				error = bus_dmamap_load(pAdapter->io_dma_parent,
2983 							pmap->dma_map,
2984 							ccb->csio.data_ptr, ccb->csio.dxfer_len,
2985 							hpt_io_dmamap_callback, pCmd,
2986 					    		BUS_DMA_WAITOK
2987 						);
2988 				KdPrint(("bus_dmamap_load return %d\n", error));
2989 				if (error && error!=EINPROGRESS) {
2990 					hpt_printk(("bus_dmamap_load error %d\n", error));
2991 					FreeCommand(_VBUS_P pCmd);
2992 					ccb->ccb_h.status = CAM_REQ_CMP_ERR;
2993 					dmamap_put(pmap);
2994 					pAdapter->outstandingCommands--;
2995 					xpt_done(ccb);
2996 				}
2997 			}
2998 			goto Command_Complished;
2999 		}
3000 
3001 		default:
3002 			ccb->ccb_h.status = CAM_REQ_INVALID;
3003 			break;
3004 	}
3005 	ccb_done(ccb);
3006 Command_Complished:
3007 	CheckPendingCall(_VBUS_P0);
3008 	return;
3009 }
3010 
3011 static void HPTLIBAPI
3012 fOsCommandDone(_VBUS_ARG PCommand pCmd)
3013 {
3014 	union ccb *ccb = pCmd->pOrgCommand;
3015 	PBUS_DMAMAP pmap = (PBUS_DMAMAP)ccb->ccb_adapter;
3016 	IAL_ADAPTER_T *pAdapter = pmap->pAdapter;
3017 
3018 	KdPrint(("fOsCommandDone(pcmd=%p, result=%d)\n", pCmd, pCmd->Result));
3019 
3020 	untimeout(hpt_timeout, (caddr_t)ccb, ccb->ccb_h.timeout_ch);
3021 
3022 	switch(pCmd->Result) {
3023 	case RETURN_SUCCESS:
3024 		ccb->ccb_h.status = CAM_REQ_CMP;
3025 		break;
3026 	case RETURN_BAD_DEVICE:
3027 		ccb->ccb_h.status = CAM_DEV_NOT_THERE;
3028 		break;
3029 	case RETURN_DEVICE_BUSY:
3030 		ccb->ccb_h.status = CAM_BUSY;
3031 		break;
3032 	case RETURN_INVALID_REQUEST:
3033 		ccb->ccb_h.status = CAM_REQ_INVALID;
3034 		break;
3035 	case RETURN_SELECTION_TIMEOUT:
3036 		ccb->ccb_h.status = CAM_SEL_TIMEOUT;
3037 		break;
3038 	case RETURN_RETRY:
3039 		ccb->ccb_h.status = CAM_BUSY;
3040 		break;
3041 	default:
3042 		ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR;
3043 		break;
3044 	}
3045 
3046 	if (pCmd->cf_data_in) {
3047 		bus_dmamap_sync(pAdapter->io_dma_parent, pmap->dma_map, BUS_DMASYNC_POSTREAD);
3048 	}
3049 	else if (pCmd->cf_data_out) {
3050 		bus_dmamap_sync(pAdapter->io_dma_parent, pmap->dma_map, BUS_DMASYNC_POSTWRITE);
3051 	}
3052 
3053 	bus_dmamap_unload(pAdapter->io_dma_parent, pmap->dma_map);
3054 
3055 	FreeCommand(_VBUS_P pCmd);
3056 	ccb_done(ccb);
3057 }
3058 
3059 int
3060 hpt_queue_dpc(HPT_DPC dpc, IAL_ADAPTER_T * pAdapter, void *arg, UCHAR flags)
3061 {
3062 	int p;
3063 
3064 	p = (DpcQueue_Last + 1) % MAX_DPC;
3065 	if (p==DpcQueue_First) {
3066 		KdPrint(("DPC Queue full!\n"));
3067 		return -1;
3068 	}
3069 
3070 	DpcQueue[DpcQueue_Last].dpc = dpc;
3071 	DpcQueue[DpcQueue_Last].pAdapter = pAdapter;
3072 	DpcQueue[DpcQueue_Last].arg = arg;
3073 	DpcQueue[DpcQueue_Last].flags = flags;
3074 	DpcQueue_Last = p;
3075 
3076 	return 0;
3077 }
3078 
3079 #ifdef _RAID5N_
3080 /*
3081  * Allocate memory above 16M, otherwise we may eat all low memory for ISA devices.
3082  * How about the memory for 5081 request/response array and PRD table?
3083  */
3084 void
3085 *os_alloc_page(_VBUS_ARG0)
3086 {
3087 	return (void *)contigmalloc(0x1000, M_DEVBUF, M_NOWAIT, 0x1000000, 0xffffffff, PAGE_SIZE, 0ul);
3088 }
3089 
3090 void
3091 *os_alloc_dma_page(_VBUS_ARG0)
3092 {
3093 	return (void *)contigmalloc(0x1000, M_DEVBUF, M_NOWAIT, 0x1000000, 0xffffffff, PAGE_SIZE, 0ul);
3094 }
3095 
3096 void
3097 os_free_page(_VBUS_ARG void *p)
3098 {
3099 	contigfree(p, 0x1000, M_DEVBUF);
3100 }
3101 
3102 void
3103 os_free_dma_page(_VBUS_ARG void *p)
3104 {
3105 	contigfree(p, 0x1000, M_DEVBUF);
3106 }
3107 
3108 void
3109 DoXor1(ULONG *p0, ULONG *p1, ULONG *p2, UINT nBytes)
3110 {
3111 	UINT i;
3112 	for (i = 0; i < nBytes / 4; i++) *p0++ = *p1++ ^ *p2++;
3113 }
3114 
3115 void
3116 DoXor2(ULONG *p0, ULONG *p2, UINT nBytes)
3117 {
3118 	UINT i;
3119 	for (i = 0; i < nBytes / 4; i++) *p0++ ^= *p2++;
3120 }
3121 #endif
3122