xref: /freebsd/sys/dev/hptmv/entry.c (revision 9a14aa017b21c292740c00ee098195cd46642730)
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 
112 #define ccb_ccb_ptr spriv_ptr0
113 #define ccb_adapter ccb_h.spriv_ptr1
114 
115 static void SetInquiryData(PINQUIRYDATA inquiryData, PVDevice pVDev);
116 static void HPTLIBAPI OsSendCommand (_VBUS_ARG union ccb * ccb);
117 static void HPTLIBAPI fOsCommandDone(_VBUS_ARG PCommand pCmd);
118 static void ccb_done(union ccb *ccb);
119 static void hpt_queue_ccb(union ccb **ccb_Q, union ccb *ccb);
120 static void hpt_free_ccb(union ccb **ccb_Q, union ccb *ccb);
121 static void	hptmv_free_edma_queues(IAL_ADAPTER_T *pAdapter);
122 static void	hptmv_free_channel(IAL_ADAPTER_T *pAdapter, MV_U8 channelNum);
123 static void	handleEdmaError(_VBUS_ARG PCommand pCmd);
124 static int	hptmv_init_channel(IAL_ADAPTER_T *pAdapter, MV_U8 channelNum);
125 static int	fResetActiveCommands(PVBus _vbus_p);
126 static void	fRegisterVdevice(IAL_ADAPTER_T *pAdapter);
127 static int	hptmv_allocate_edma_queues(IAL_ADAPTER_T *pAdapter);
128 static void	hptmv_handle_event_disconnect(void *data);
129 static void	hptmv_handle_event_connect(void *data);
130 static int	start_channel(IAL_ADAPTER_T *pAdapter, MV_U8 channelNum);
131 static void	init_vdev_params(IAL_ADAPTER_T *pAdapter, MV_U8 channel);
132 static int	hptmv_parse_identify_results(MV_SATA_CHANNEL *pMvSataChannel);
133 static int HPTLIBAPI fOsBuildSgl(_VBUS_ARG PCommand pCmd, FPSCAT_GATH pSg,
134     int logical);
135 static MV_BOOLEAN CommandCompletionCB(MV_SATA_ADAPTER *pMvSataAdapter,
136     MV_U8 channelNum, MV_COMPLETION_TYPE comp_type, MV_VOID_PTR commandId,
137     MV_U16 responseFlags, MV_U32 timeStamp,
138     MV_STORAGE_DEVICE_REGISTERS *registerStruct);
139 static MV_BOOLEAN hptmv_event_notify(MV_SATA_ADAPTER *pMvSataAdapter,
140     MV_EVENT_TYPE eventType, MV_U32 param1, MV_U32 param2);
141 
142 #define ccb_ccb_ptr spriv_ptr0
143 #define ccb_adapter ccb_h.spriv_ptr1
144 
145 IAL_ADAPTER_T *gIal_Adapter = 0;
146 IAL_ADAPTER_T *pCurAdapter = 0;
147 static MV_SATA_CHANNEL gMvSataChannels[MAX_VBUS][MV_SATA_CHANNELS_NUM];
148 
149 typedef struct st_HPT_DPC {
150 	IAL_ADAPTER_T *pAdapter;
151 	void (*dpc)(IAL_ADAPTER_T *, void *, UCHAR);
152 	void *arg;
153 	UCHAR flags;
154 } ST_HPT_DPC;
155 
156 #define MAX_DPC 16
157 UCHAR DPC_Request_Nums = 0;
158 static ST_HPT_DPC DpcQueue[MAX_DPC];
159 static int DpcQueue_First=0;
160 static int DpcQueue_Last = 0;
161 
162 char DRIVER_VERSION[] = "v1.16";
163 
164 #if (__FreeBSD_version >= 500000)
165 static struct mtx driver_lock;
166 intrmask_t lock_driver()
167 {
168 
169 	intrmask_t spl = 0;
170 	mtx_lock(&driver_lock);
171 	return spl;
172 }
173 void unlock_driver(intrmask_t spl)
174 {
175 	mtx_unlock(&driver_lock);
176 }
177 #else
178 static int driver_locked = 0;
179 intrmask_t lock_driver()
180 {
181 	intrmask_t spl = splcam();
182 loop:
183 	while (driver_locked)
184 		tsleep(&driver_locked, PRIBIO, "hptlck", hz);
185 	atomic_add_int(&driver_locked, 1);
186 	if (driver_locked>1) {
187 		atomic_subtract_int(&driver_locked, 1);
188 		goto loop;
189 	}
190 	return spl;
191 }
192 
193 void unlock_driver(intrmask_t spl)
194 {
195 	atomic_subtract_int(&driver_locked, 1);
196 	if (driver_locked==0) {
197 		wakeup(&driver_locked);
198 	}
199 	splx(spl);
200 }
201 #endif
202 
203 /*******************************************************************************
204  *	Name:	hptmv_free_channel
205  *
206  *	Description:	free allocated queues for the given channel
207  *
208  *	Parameters:    	pMvSataAdapter - pointer to the RR18xx controler this
209  * 					channel connected to.
210  *			channelNum - channel number.
211  *
212  ******************************************************************************/
213 static void
214 hptmv_free_channel(IAL_ADAPTER_T *pAdapter, MV_U8 channelNum)
215 {
216 	HPT_ASSERT(channelNum < MV_SATA_CHANNELS_NUM);
217 	pAdapter->mvSataAdapter.sataChannel[channelNum] = NULL;
218 }
219 
220 static void failDevice(PVDevice pVDev)
221 {
222 	PVBus _vbus_p = pVDev->pVBus;
223 	IAL_ADAPTER_T *pAdapter = (IAL_ADAPTER_T *)_vbus_p->OsExt;
224 
225 	pVDev->u.disk.df_on_line = 0;
226 	pVDev->vf_online = 0;
227 	if (pVDev->pfnDeviceFailed)
228 		CallWhenIdle(_VBUS_P (DPC_PROC)pVDev->pfnDeviceFailed, pVDev);
229 
230 	fNotifyGUI(ET_DEVICE_REMOVED, pVDev);
231 
232 #ifndef FOR_DEMO
233 	if (pAdapter->ver_601==2 && !pAdapter->beeping) {
234 		pAdapter->beeping = 1;
235 		BeepOn(pAdapter->mvSataAdapter.adapterIoBaseAddress);
236 		set_fail_led(&pAdapter->mvSataAdapter, pVDev->u.disk.mv->channelNumber, 1);
237 	}
238 #endif
239 }
240 
241 int MvSataResetChannel(MV_SATA_ADAPTER *pMvSataAdapter, MV_U8 channel);
242 
243 static void
244 handleEdmaError(_VBUS_ARG PCommand pCmd)
245 {
246 	PDevice pDevice = &pCmd->pVDevice->u.disk;
247 	MV_SATA_ADAPTER * pSataAdapter = pDevice->mv->mvSataAdapter;
248 
249 	if (!pDevice->df_on_line) {
250 		KdPrint(("Device is offline"));
251 		pCmd->Result = RETURN_BAD_DEVICE;
252 		CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
253 		return;
254 	}
255 
256 	if (pCmd->RetryCount++>5) {
257 		hpt_printk(("too many retries on channel(%d)\n", pDevice->mv->channelNumber));
258 failed:
259 		failDevice(pCmd->pVDevice);
260 		pCmd->Result = RETURN_IDE_ERROR;
261 		CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
262 		return;
263 	}
264 
265 	/* reset the channel and retry the command */
266 	if (MvSataResetChannel(pSataAdapter, pDevice->mv->channelNumber))
267 		goto failed;
268 
269 	fNotifyGUI(ET_DEVICE_ERROR, Map2pVDevice(pDevice));
270 
271 	hpt_printk(("Retry on channel(%d)\n", pDevice->mv->channelNumber));
272 	fDeviceSendCommand(_VBUS_P pCmd);
273 }
274 
275 /****************************************************************
276  *	Name:	hptmv_init_channel
277  *
278  *	Description:	allocate request and response queues for the EDMA of the
279  *					given channel and sets other fields.
280  *
281  *	Parameters:
282  *		pAdapter - pointer to the emulated adapter data structure
283  *		channelNum - channel number.
284  *	Return:	0 on success, otherwise on failure
285  ****************************************************************/
286 static int
287 hptmv_init_channel(IAL_ADAPTER_T *pAdapter, MV_U8 channelNum)
288 {
289 	MV_SATA_CHANNEL *pMvSataChannel;
290 	dma_addr_t    req_dma_addr;
291 	dma_addr_t    rsp_dma_addr;
292 
293 	if (channelNum >= MV_SATA_CHANNELS_NUM)
294 	{
295 		MV_ERROR("RR18xx[%d]: Bad channelNum=%d",
296 				 pAdapter->mvSataAdapter.adapterId, channelNum);
297 		return -1;
298 	}
299 
300 	pMvSataChannel = &gMvSataChannels[pAdapter->mvSataAdapter.adapterId][channelNum];
301 	pAdapter->mvSataAdapter.sataChannel[channelNum] = pMvSataChannel;
302 	pMvSataChannel->channelNumber = channelNum;
303 	pMvSataChannel->lba48Address = MV_FALSE;
304 	pMvSataChannel->maxReadTransfer = MV_FALSE;
305 
306 	pMvSataChannel->requestQueue = (struct mvDmaRequestQueueEntry *)
307 								   (pAdapter->requestsArrayBaseAlignedAddr + (channelNum * MV_EDMA_REQUEST_QUEUE_SIZE));
308 	req_dma_addr = pAdapter->requestsArrayBaseDmaAlignedAddr + (channelNum * MV_EDMA_REQUEST_QUEUE_SIZE);
309 
310 
311 	KdPrint(("requestQueue addr is 0x%llX", (HPT_U64)(ULONG_PTR)req_dma_addr));
312 
313 	/* check the 1K alignment of the request queue*/
314 	if (req_dma_addr & 0x3ff)
315 	{
316 		MV_ERROR("RR18xx[%d]: request queue allocated isn't 1 K aligned,"
317 				 " dma_addr=%llx channel=%d\n", pAdapter->mvSataAdapter.adapterId,
318 				 (HPT_U64)(ULONG_PTR)req_dma_addr, channelNum);
319 		return -1;
320 	}
321 	pMvSataChannel->requestQueuePciLowAddress = req_dma_addr;
322 	pMvSataChannel->requestQueuePciHiAddress = 0;
323 	KdPrint(("RR18xx[%d,%d]: request queue allocated: 0x%p",
324 			  pAdapter->mvSataAdapter.adapterId, channelNum,
325 			  pMvSataChannel->requestQueue));
326 	pMvSataChannel->responseQueue = (struct mvDmaResponseQueueEntry *)
327 									(pAdapter->responsesArrayBaseAlignedAddr + (channelNum * MV_EDMA_RESPONSE_QUEUE_SIZE));
328 	rsp_dma_addr = pAdapter->responsesArrayBaseDmaAlignedAddr + (channelNum * MV_EDMA_RESPONSE_QUEUE_SIZE);
329 
330 	/* check the 256 alignment of the response queue*/
331 	if (rsp_dma_addr & 0xff)
332 	{
333 		MV_ERROR("RR18xx[%d,%d]: response queue allocated isn't 256 byte "
334 				 "aligned, dma_addr=%llx\n",
335 				 pAdapter->mvSataAdapter.adapterId, channelNum, (HPT_U64)(ULONG_PTR)rsp_dma_addr);
336 		return -1;
337 	}
338 	pMvSataChannel->responseQueuePciLowAddress = rsp_dma_addr;
339 	pMvSataChannel->responseQueuePciHiAddress = 0;
340 	KdPrint(("RR18xx[%d,%d]: response queue allocated: 0x%p",
341 			  pAdapter->mvSataAdapter.adapterId, channelNum,
342 			  pMvSataChannel->responseQueue));
343 
344 	pAdapter->mvChannel[channelNum].online = MV_TRUE;
345 	return 0;
346 }
347 
348 /******************************************************************************
349  *	Name: hptmv_parse_identify_results
350  *
351  *	Description:	this functions parses the identify command results, checks
352  *					that the connected deives can be accesed by RR18xx EDMA,
353  *					and updates the channel stucture accordingly.
354  *
355  *	Parameters:     pMvSataChannel, pointer to the channel data structure.
356  *
357  *	Returns:       	=0 ->success, < 0 ->failure.
358  *
359  ******************************************************************************/
360 static int
361 hptmv_parse_identify_results(MV_SATA_CHANNEL *pMvSataChannel)
362 {
363 	MV_U16  *iden = pMvSataChannel->identifyDevice;
364 
365 	/*LBA addressing*/
366 	if (! (iden[IDEN_CAPACITY_1_OFFSET] & 0x200))
367 	{
368 		KdPrint(("IAL Error in IDENTIFY info: LBA not supported\n"));
369 		return -1;
370 	}
371 	else
372 	{
373 		KdPrint(("%25s - %s\n", "Capabilities", "LBA supported"));
374 	}
375 	/*DMA support*/
376 	if (! (iden[IDEN_CAPACITY_1_OFFSET] & 0x100))
377 	{
378 		KdPrint(("IAL Error in IDENTIFY info: DMA not supported\n"));
379 		return -1;
380 	}
381 	else
382 	{
383 		KdPrint(("%25s - %s\n", "Capabilities", "DMA supported"));
384 	}
385 	/* PIO */
386 	if ((iden[IDEN_VALID] & 2) == 0)
387 	{
388 		KdPrint(("IAL Error in IDENTIFY info: not able to find PIO mode\n"));
389 		return -1;
390 	}
391 	KdPrint(("%25s - 0x%02x\n", "PIO modes supported",
392 			  iden[IDEN_PIO_MODE_SPPORTED] & 0xff));
393 
394 	/*UDMA*/
395 	if ((iden[IDEN_VALID] & 4) == 0)
396 	{
397 		KdPrint(("IAL Error in IDENTIFY info: not able to find UDMA mode\n"));
398 		return -1;
399 	}
400 
401 	/* 48 bit address */
402 	if ((iden[IDEN_SUPPORTED_COMMANDS2] & 0x400))
403 	{
404 		KdPrint(("%25s - %s\n", "LBA48 addressing", "supported"));
405 		pMvSataChannel->lba48Address = MV_TRUE;
406 	}
407 	else
408 	{
409 		KdPrint(("%25s - %s\n", "LBA48 addressing", "Not supported"));
410 		pMvSataChannel->lba48Address = MV_FALSE;
411 	}
412 	return 0;
413 }
414 
415 static void
416 init_vdev_params(IAL_ADAPTER_T *pAdapter, MV_U8 channel)
417 {
418 	PVDevice pVDev = &pAdapter->VDevices[channel];
419 	MV_SATA_CHANNEL *pMvSataChannel = pAdapter->mvSataAdapter.sataChannel[channel];
420 	MV_U16_PTR IdentifyData = pMvSataChannel->identifyDevice;
421 
422 	pMvSataChannel->outstandingCommands = 0;
423 
424 	pVDev->u.disk.mv         = pMvSataChannel;
425 	pVDev->u.disk.df_on_line = 1;
426 	pVDev->u.disk.pVBus      = &pAdapter->VBus;
427 	pVDev->pVBus             = &pAdapter->VBus;
428 
429 #ifdef SUPPORT_48BIT_LBA
430 	if (pMvSataChannel->lba48Address == MV_TRUE)
431 		pVDev->u.disk.dDeRealCapacity = ((IdentifyData[101]<<16) | IdentifyData[100]) - 1;
432 	else
433 #endif
434 	if(IdentifyData[53] & 1) {
435 	pVDev->u.disk.dDeRealCapacity =
436 	  (((IdentifyData[58]<<16 | IdentifyData[57]) < (IdentifyData[61]<<16 | IdentifyData[60])) ?
437 		  (IdentifyData[61]<<16 | IdentifyData[60]) :
438 				(IdentifyData[58]<<16 | IdentifyData[57])) - 1;
439 	} else
440 		pVDev->u.disk.dDeRealCapacity =
441 				 (IdentifyData[61]<<16 | IdentifyData[60]) - 1;
442 
443 	pVDev->u.disk.bDeUsable_Mode = pVDev->u.disk.bDeModeSetting =
444 		pAdapter->mvChannel[channel].maxPioModeSupported - MV_ATA_TRANSFER_PIO_0;
445 
446 	if (pAdapter->mvChannel[channel].maxUltraDmaModeSupported!=0xFF) {
447 		pVDev->u.disk.bDeUsable_Mode = pVDev->u.disk.bDeModeSetting =
448 			pAdapter->mvChannel[channel].maxUltraDmaModeSupported - MV_ATA_TRANSFER_UDMA_0 + 8;
449 	}
450 }
451 
452 static void device_change(IAL_ADAPTER_T *pAdapter , MV_U8 channelIndex, int plugged)
453 {
454 	PVDevice pVDev;
455 	MV_SATA_ADAPTER  *pMvSataAdapter = &pAdapter->mvSataAdapter;
456 	MV_SATA_CHANNEL  *pMvSataChannel = pMvSataAdapter->sataChannel[channelIndex];
457 
458 	if (!pMvSataChannel) return;
459 
460 	if (plugged)
461 	{
462 		pVDev = &(pAdapter->VDevices[channelIndex]);
463 		init_vdev_params(pAdapter, channelIndex);
464 
465 		pVDev->VDeviceType = pVDev->u.disk.df_atapi? VD_ATAPI :
466 			pVDev->u.disk.df_removable_drive? VD_REMOVABLE : VD_SINGLE_DISK;
467 
468 		pVDev->VDeviceCapacity = pVDev->u.disk.dDeRealCapacity-SAVE_FOR_RAID_INFO;
469 		pVDev->pfnSendCommand = pfnSendCommand[pVDev->VDeviceType];
470 		pVDev->pfnDeviceFailed = pfnDeviceFailed[pVDev->VDeviceType];
471 		pVDev->vf_online = 1;
472 
473 #ifdef SUPPORT_ARRAY
474 		if(pVDev->pParent)
475 		{
476 			int iMember;
477 			for(iMember = 0; iMember < 	pVDev->pParent->u.array.bArnMember; iMember++)
478 				if((PVDevice)pVDev->pParent->u.array.pMember[iMember] == pVDev)
479 					pVDev->pParent->u.array.pMember[iMember] = NULL;
480 			pVDev->pParent = NULL;
481 		}
482 #endif
483 		fNotifyGUI(ET_DEVICE_PLUGGED,pVDev);
484 		fCheckBootable(pVDev);
485 		RegisterVDevice(pVDev);
486 
487 #ifndef FOR_DEMO
488 		if (pAdapter->beeping) {
489 			pAdapter->beeping = 0;
490 			BeepOff(pAdapter->mvSataAdapter.adapterIoBaseAddress);
491 		}
492 #endif
493 
494 	}
495 	else
496 	{
497 		pVDev  = &(pAdapter->VDevices[channelIndex]);
498 		failDevice(pVDev);
499 	}
500 }
501 
502 static int
503 start_channel(IAL_ADAPTER_T *pAdapter, MV_U8 channelNum)
504 {
505 	MV_SATA_ADAPTER *pMvSataAdapter = &pAdapter->mvSataAdapter;
506 	MV_SATA_CHANNEL *pMvSataChannel = pMvSataAdapter->sataChannel[channelNum];
507 	MV_CHANNEL		*pChannelInfo = &(pAdapter->mvChannel[channelNum]);
508 	MV_U32          udmaMode,pioMode;
509 
510 	KdPrint(("RR18xx [%d]: start channel (%d)", pMvSataAdapter->adapterId,
511 			 channelNum));
512 
513 
514 	/* Software reset channel */
515 	if (mvStorageDevATASoftResetDevice(pMvSataAdapter, channelNum) == MV_FALSE)
516 	{
517 		MV_ERROR("RR18xx [%d,%d]: failed to perform Software reset\n",
518 				 pMvSataAdapter->adapterId, channelNum);
519 		return -1;
520 	}
521 
522 	/* Hardware reset channel */
523 	if (mvSataChannelHardReset(pMvSataAdapter, channelNum) == MV_FALSE)
524 	{
525 		/* If failed, try again - this is when trying to hardreset a channel */
526 		/* when drive is just spinning up */
527 		StallExec(5000000); /* wait 5 sec before trying again */
528 		if (mvSataChannelHardReset(pMvSataAdapter, channelNum) == MV_FALSE)
529 		{
530 			MV_ERROR("RR18xx [%d,%d]: failed to perform Hard reset\n",
531 					 pMvSataAdapter->adapterId, channelNum);
532 			return -1;
533 		}
534 	}
535 
536 	/* identify device*/
537 	if (mvStorageDevATAIdentifyDevice(pMvSataAdapter, channelNum) == MV_FALSE)
538 	{
539 		MV_ERROR("RR18xx [%d,%d]: failed to perform ATA Identify command\n"
540 				 , pMvSataAdapter->adapterId, channelNum);
541 		return -1;
542 	}
543 	if (hptmv_parse_identify_results(pMvSataChannel))
544 	{
545 		MV_ERROR("RR18xx [%d,%d]: Error in parsing ATA Identify message\n"
546 				 , pMvSataAdapter->adapterId, channelNum);
547 		return -1;
548 	}
549 
550 	/* mvStorageDevATASetFeatures */
551 	/* Disable 8 bit PIO in case CFA enabled */
552 	if (pMvSataChannel->identifyDevice[86] & 4)
553 	{
554 		KdPrint(("RR18xx [%d]: Disable 8 bit PIO (CFA enabled) \n",
555 				  pMvSataAdapter->adapterId));
556 		if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
557 									   MV_ATA_SET_FEATURES_DISABLE_8_BIT_PIO, 0,
558 									   0, 0, 0) == MV_FALSE)
559 		{
560 			MV_ERROR("RR18xx [%d]: channel %d: mvStorageDevATASetFeatures"
561 					 " failed\n", pMvSataAdapter->adapterId, channelNum);
562 			return -1;
563 		}
564 	}
565 	/* Write cache */
566 #ifdef ENABLE_WRITE_CACHE
567 	if (pMvSataChannel->identifyDevice[82] & 0x20)
568 	{
569 		if (!(pMvSataChannel->identifyDevice[85] & 0x20)) /* if not enabled by default */
570 		{
571 			if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
572 										   MV_ATA_SET_FEATURES_ENABLE_WCACHE, 0,
573 										   0, 0, 0) == MV_FALSE)
574 			{
575 				MV_ERROR("RR18xx [%d]: channel %d: mvStorageDevATASetFeatures failed\n",
576 						 pMvSataAdapter->adapterId, channelNum);
577 				return -1;
578 			}
579 		}
580 		KdPrint(("RR18xx [%d]: channel %d, write cache enabled\n",
581 				  pMvSataAdapter->adapterId, channelNum));
582 	}
583 	else
584 	{
585 		KdPrint(("RR18xx [%d]: channel %d, write cache not supported\n",
586 				  pMvSataAdapter->adapterId, channelNum));
587 	}
588 #else /* disable write cache */
589 	{
590 		if (pMvSataChannel->identifyDevice[85] & 0x20)
591 		{
592 			KdPrint(("RR18xx [%d]: channel =%d, disable write cache\n",
593 					  pMvSataAdapter->adapterId, channelNum));
594 			if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
595 										   MV_ATA_SET_FEATURES_DISABLE_WCACHE, 0,
596 										   0, 0, 0) == MV_FALSE)
597 			{
598 				MV_ERROR("RR18xx [%d]: channel %d: mvStorageDevATASetFeatures failed\n",
599 						 pMvSataAdapter->adapterId, channelNum);
600 				return -1;
601 			}
602 		}
603 		KdPrint(("RR18xx [%d]: channel=%d, write cache disabled\n",
604 				  pMvSataAdapter->adapterId, channelNum));
605 	}
606 #endif
607 
608 	/* Set transfer mode */
609 	KdPrint(("RR18xx [%d] Set transfer mode XFER_PIO_SLOW\n",
610 			  pMvSataAdapter->adapterId));
611 	if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
612 								   MV_ATA_SET_FEATURES_TRANSFER,
613 								   MV_ATA_TRANSFER_PIO_SLOW, 0, 0, 0) ==
614 		MV_FALSE)
615 	{
616 		MV_ERROR("RR18xx [%d] channel %d: Set Features failed\n",
617 				 pMvSataAdapter->adapterId, channelNum);
618 		return -1;
619 	}
620 
621 	if (pMvSataChannel->identifyDevice[IDEN_PIO_MODE_SPPORTED] & 1)
622 	{
623 		pioMode = MV_ATA_TRANSFER_PIO_4;
624 	}
625 	else if (pMvSataChannel->identifyDevice[IDEN_PIO_MODE_SPPORTED] & 2)
626 	{
627 		pioMode = MV_ATA_TRANSFER_PIO_3;
628 	}
629 	else
630 	{
631 		MV_ERROR("IAL Error in IDENTIFY info: PIO modes 3 and 4 not supported\n");
632 		pioMode = MV_ATA_TRANSFER_PIO_SLOW;
633 	}
634 
635 	KdPrint(("RR18xx [%d] Set transfer mode XFER_PIO_4\n",
636 			  pMvSataAdapter->adapterId));
637 	pAdapter->mvChannel[channelNum].maxPioModeSupported = pioMode;
638 	if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
639 								   MV_ATA_SET_FEATURES_TRANSFER,
640 								   pioMode, 0, 0, 0) == MV_FALSE)
641 	{
642 		MV_ERROR("RR18xx [%d] channel %d: Set Features failed\n",
643 				 pMvSataAdapter->adapterId, channelNum);
644 		return -1;
645 	}
646 
647 	udmaMode = MV_ATA_TRANSFER_UDMA_0;
648 	if (pMvSataChannel->identifyDevice[IDEN_UDMA_MODE] & 0x40)
649 	{
650 		udmaMode =  MV_ATA_TRANSFER_UDMA_6;
651 	}
652 	else if (pMvSataChannel->identifyDevice[IDEN_UDMA_MODE] & 0x20)
653 	{
654 		udmaMode =  MV_ATA_TRANSFER_UDMA_5;
655 	}
656 	else if (pMvSataChannel->identifyDevice[IDEN_UDMA_MODE] & 0x10)
657 	{
658 		udmaMode =  MV_ATA_TRANSFER_UDMA_4;
659 	}
660 	else if (pMvSataChannel->identifyDevice[IDEN_UDMA_MODE] & 8)
661 	{
662 		udmaMode =  MV_ATA_TRANSFER_UDMA_3;
663 	}
664 	else if (pMvSataChannel->identifyDevice[IDEN_UDMA_MODE] & 4)
665 	{
666 		udmaMode =  MV_ATA_TRANSFER_UDMA_2;
667 	}
668 
669 	KdPrint(("RR18xx [%d] Set transfer mode XFER_UDMA_%d\n",
670 			  pMvSataAdapter->adapterId, udmaMode & 0xf));
671 	pChannelInfo->maxUltraDmaModeSupported = udmaMode;
672 
673 	/*if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
674 								   MV_ATA_SET_FEATURES_TRANSFER, udmaMode,
675 								   0, 0, 0) == MV_FALSE)
676 	{
677 		MV_ERROR("RR18xx [%d] channel %d: Set Features failed\n",
678 				 pMvSataAdapter->adapterId, channelNum);
679 		return -1;
680 	}*/
681 	if (pChannelInfo->maxUltraDmaModeSupported == 0xFF)
682 		return TRUE;
683 	else
684 		do
685 		{
686 			if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
687 								   MV_ATA_SET_FEATURES_TRANSFER,
688 								   pChannelInfo->maxUltraDmaModeSupported,
689 								   0, 0, 0) == MV_FALSE)
690 			{
691 				if (pChannelInfo->maxUltraDmaModeSupported > MV_ATA_TRANSFER_UDMA_0)
692 				{
693 					if (mvStorageDevATASoftResetDevice(pMvSataAdapter, channelNum) == MV_FALSE)
694 					{
695 						MV_REG_WRITE_BYTE(pMvSataAdapter->adapterIoBaseAddress,
696 										  pMvSataChannel->eDmaRegsOffset +
697 										  0x11c, /* command reg */
698 										  MV_ATA_COMMAND_IDLE_IMMEDIATE);
699 						mvMicroSecondsDelay(10000);
700 						mvSataChannelHardReset(pMvSataAdapter, channelNum);
701 						if (mvStorageDevATASoftResetDevice(pMvSataAdapter, channelNum) == MV_FALSE)
702 							return FALSE;
703 					}
704 					if (mvSataChannelHardReset(pMvSataAdapter, channelNum) == MV_FALSE)
705 						return FALSE;
706 					pChannelInfo->maxUltraDmaModeSupported--;
707 					continue;
708 				}
709 				else   return FALSE;
710 			}
711 			break;
712 		}while (1);
713 
714 	/* Read look ahead */
715 #ifdef ENABLE_READ_AHEAD
716 	if (pMvSataChannel->identifyDevice[82] & 0x40)
717 	{
718 		if (!(pMvSataChannel->identifyDevice[85] & 0x40)) /* if not enabled by default */
719 		{
720 			if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
721 										   MV_ATA_SET_FEATURES_ENABLE_RLA, 0, 0,
722 										   0, 0) == MV_FALSE)
723 			{
724 				MV_ERROR("RR18xx [%d] channel %d: Set Features failed\n",
725 						 pMvSataAdapter->adapterId, channelNum);
726 				return -1;
727 			}
728 		}
729 		KdPrint(("RR18xx [%d]: channel=%d, read look ahead enabled\n",
730 				  pMvSataAdapter->adapterId, channelNum));
731 	}
732 	else
733 	{
734 		KdPrint(("RR18xx [%d]: channel %d, Read Look Ahead not supported\n",
735 				  pMvSataAdapter->adapterId, channelNum));
736 	}
737 #else
738 	{
739 		if (pMvSataChannel->identifyDevice[86] & 0x20)
740 		{
741 			KdPrint(("RR18xx [%d]:channel %d, disable read look ahead\n",
742 					  pMvSataAdapter->adapterId, channelNum));
743 			if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
744 										   MV_ATA_SET_FEATURES_DISABLE_RLA, 0, 0,
745 										   0, 0) == MV_FALSE)
746 			{
747 				MV_ERROR("RR18xx [%d]:channel %d:  ATA Set Features failed\n",
748 						 pMvSataAdapter->adapterId, channelNum);
749 				return -1;
750 			}
751 		}
752 		KdPrint(("RR18xx [%d]:channel %d, read look ahead disabled\n",
753 				  pMvSataAdapter->adapterId, channelNum));
754 	}
755 #endif
756 
757 
758 	{
759 		KdPrint(("RR18xx [%d]: channel %d config EDMA, Non Queued Mode\n",
760 				  pMvSataAdapter->adapterId,
761 				  channelNum));
762 		if (mvSataConfigEdmaMode(pMvSataAdapter, channelNum,
763 								 MV_EDMA_MODE_NOT_QUEUED, 0) == MV_FALSE)
764 		{
765 			MV_ERROR("RR18xx [%d] channel %d Error: mvSataConfigEdmaMode failed\n",
766 					 pMvSataAdapter->adapterId, channelNum);
767 			return -1;
768 		}
769 	}
770 	/* Enable EDMA */
771 	if (mvSataEnableChannelDma(pMvSataAdapter, channelNum) == MV_FALSE)
772 	{
773 		MV_ERROR("RR18xx [%d] Failed to enable DMA, channel=%d\n",
774 				 pMvSataAdapter->adapterId, channelNum);
775 		return -1;
776 	}
777 	MV_ERROR("RR18xx [%d,%d]: channel started successfully\n",
778 			 pMvSataAdapter->adapterId, channelNum);
779 
780 #ifndef FOR_DEMO
781 	set_fail_led(pMvSataAdapter, channelNum, 0);
782 #endif
783 	return 0;
784 }
785 
786 static void
787 hptmv_handle_event(void * data, int flag)
788 {
789 	IAL_ADAPTER_T   *pAdapter = (IAL_ADAPTER_T *)data;
790 	MV_SATA_ADAPTER *pMvSataAdapter = &pAdapter->mvSataAdapter;
791 	MV_U8           channelIndex;
792 
793 /*	mvOsSemTake(&pMvSataAdapter->semaphore); */
794 	for (channelIndex = 0; channelIndex < MV_SATA_CHANNELS_NUM; channelIndex++)
795 	{
796 		switch(pAdapter->sataEvents[channelIndex])
797 		{
798 			case SATA_EVENT_CHANNEL_CONNECTED:
799 				/* Handle only connects */
800 				if (flag == 1)
801 					break;
802 				KdPrint(("RR18xx [%d,%d]: new device connected\n",
803 						 pMvSataAdapter->adapterId, channelIndex));
804 				hptmv_init_channel(pAdapter, channelIndex);
805 				if (mvSataConfigureChannel( pMvSataAdapter, channelIndex) == MV_FALSE)
806 				{
807 					MV_ERROR("RR18xx [%d,%d] Failed to configure\n",
808 							 pMvSataAdapter->adapterId, channelIndex);
809 					hptmv_free_channel(pAdapter, channelIndex);
810 				}
811 				else
812 				{
813 					/*mvSataChannelHardReset(pMvSataAdapter, channel);*/
814 					if (start_channel( pAdapter, channelIndex))
815 					{
816 						MV_ERROR("RR18xx [%d,%d]Failed to start channel\n",
817 								 pMvSataAdapter->adapterId, channelIndex);
818 						hptmv_free_channel(pAdapter, channelIndex);
819 					}
820 					else
821 					{
822 						device_change(pAdapter, channelIndex, TRUE);
823 					}
824 				}
825 				pAdapter->sataEvents[channelIndex] = SATA_EVENT_NO_CHANGE;
826 			   break;
827 
828 			case SATA_EVENT_CHANNEL_DISCONNECTED:
829 				/* Handle only disconnects */
830 				if (flag == 0)
831 					break;
832 				KdPrint(("RR18xx [%d,%d]: device disconnected\n",
833 						 pMvSataAdapter->adapterId, channelIndex));
834 					/* Flush pending commands */
835 				if(pMvSataAdapter->sataChannel[channelIndex])
836 				{
837 					_VBUS_INST(&pAdapter->VBus)
838 					mvSataFlushDmaQueue (pMvSataAdapter, channelIndex,
839 										 MV_FLUSH_TYPE_CALLBACK);
840 					CheckPendingCall(_VBUS_P0);
841 					mvSataRemoveChannel(pMvSataAdapter,channelIndex);
842 					hptmv_free_channel(pAdapter, channelIndex);
843 					pMvSataAdapter->sataChannel[channelIndex] = NULL;
844 					KdPrint(("RR18xx [%d,%d]: channel removed\n",
845 						 pMvSataAdapter->adapterId, channelIndex));
846 					if (pAdapter->outstandingCommands==0 && DPC_Request_Nums==0)
847 						Check_Idle_Call(pAdapter);
848 				}
849 				else
850 				{
851 					KdPrint(("RR18xx [%d,%d]: channel already removed!!\n",
852 							 pMvSataAdapter->adapterId, channelIndex));
853 				}
854 				pAdapter->sataEvents[channelIndex] = SATA_EVENT_NO_CHANGE;
855 				break;
856 
857 			case SATA_EVENT_NO_CHANGE:
858 				break;
859 
860 			default:
861 				break;
862 		}
863 	}
864 /*	mvOsSemRelease(&pMvSataAdapter->semaphore); */
865 }
866 
867 #define EVENT_CONNECT					1
868 #define EVENT_DISCONNECT				0
869 
870 static void
871 hptmv_handle_event_connect(void *data)
872 {
873   hptmv_handle_event (data, 0);
874 }
875 
876 static void
877 hptmv_handle_event_disconnect(void *data)
878 {
879   hptmv_handle_event (data, 1);
880 }
881 
882 static MV_BOOLEAN
883 hptmv_event_notify(MV_SATA_ADAPTER *pMvSataAdapter, MV_EVENT_TYPE eventType,
884 								   MV_U32 param1, MV_U32 param2)
885 {
886 	IAL_ADAPTER_T   *pAdapter = pMvSataAdapter->IALData;
887 
888 	switch (eventType)
889 	{
890 		case MV_EVENT_TYPE_SATA_CABLE:
891 			{
892 				MV_U8   channel = param2;
893 
894 				if (param1 == EVENT_CONNECT)
895 				{
896 					pAdapter->sataEvents[channel] = SATA_EVENT_CHANNEL_CONNECTED;
897 					KdPrint(("RR18xx [%d,%d]: device connected event received\n",
898 							 pMvSataAdapter->adapterId, channel));
899 					/* Delete previous timers (if multiple drives connected in the same time */
900 					pAdapter->event_timer_connect = timeout(hptmv_handle_event_connect, pAdapter, 10*hz);
901 				}
902 				else if (param1 == EVENT_DISCONNECT)
903 				{
904 					pAdapter->sataEvents[channel] = SATA_EVENT_CHANNEL_DISCONNECTED;
905 					KdPrint(("RR18xx [%d,%d]: device disconnected event received \n",
906 							 pMvSataAdapter->adapterId, channel));
907 					device_change(pAdapter, channel, FALSE);
908 					/* Delete previous timers (if multiple drives disconnected in the same time */
909 					/*pAdapter->event_timer_disconnect = timeout(hptmv_handle_event_disconnect, pAdapter, 10*hz); */
910 					/*It is not necessary to wait, handle it directly*/
911 					hptmv_handle_event_disconnect(pAdapter);
912 				}
913 				else
914 				{
915 
916 					MV_ERROR("RR18xx: illigal value for param1(%d) at "
917 							 "connect/disconect event, host=%d\n", param1,
918 							 pMvSataAdapter->adapterId );
919 
920 				}
921 			}
922 			break;
923 		case MV_EVENT_TYPE_ADAPTER_ERROR:
924 			KdPrint(("RR18xx: DEVICE error event received, pci cause "
925 					  "reg=%x,  don't how to handle this\n", param1));
926 			return MV_TRUE;
927 		default:
928 			MV_ERROR("RR18xx[%d]: unknown event type (%d)\n",
929 					 pMvSataAdapter->adapterId, eventType);
930 			return MV_FALSE;
931 	}
932 	return MV_TRUE;
933 }
934 
935 static int
936 hptmv_allocate_edma_queues(IAL_ADAPTER_T *pAdapter)
937 {
938 	pAdapter->requestsArrayBaseAddr = (MV_U8 *)contigmalloc(REQUESTS_ARRAY_SIZE,
939 			M_DEVBUF, M_NOWAIT, 0, 0xffffffff, PAGE_SIZE, 0ul);
940 	if (pAdapter->requestsArrayBaseAddr == NULL)
941 	{
942 		MV_ERROR("RR18xx[%d]: Failed to allocate memory for EDMA request"
943 				 " queues\n", pAdapter->mvSataAdapter.adapterId);
944 		return -1;
945 	}
946 	pAdapter->requestsArrayBaseDmaAddr = fOsPhysicalAddress(pAdapter->requestsArrayBaseAddr);
947 	pAdapter->requestsArrayBaseAlignedAddr = pAdapter->requestsArrayBaseAddr;
948 	pAdapter->requestsArrayBaseAlignedAddr += MV_EDMA_REQUEST_QUEUE_SIZE;
949 	pAdapter->requestsArrayBaseAlignedAddr  = (MV_U8 *)
950 		(((ULONG_PTR)pAdapter->requestsArrayBaseAlignedAddr) & ~(ULONG_PTR)(MV_EDMA_REQUEST_QUEUE_SIZE - 1));
951 	pAdapter->requestsArrayBaseDmaAlignedAddr = pAdapter->requestsArrayBaseDmaAddr;
952 	pAdapter->requestsArrayBaseDmaAlignedAddr += MV_EDMA_REQUEST_QUEUE_SIZE;
953 	pAdapter->requestsArrayBaseDmaAlignedAddr &= ~(ULONG_PTR)(MV_EDMA_REQUEST_QUEUE_SIZE - 1);
954 
955 	if ((pAdapter->requestsArrayBaseDmaAlignedAddr - pAdapter->requestsArrayBaseDmaAddr) !=
956 		(pAdapter->requestsArrayBaseAlignedAddr - pAdapter->requestsArrayBaseAddr))
957 	{
958 		MV_ERROR("RR18xx[%d]: Error in Request Quueues Alignment\n",
959 				 pAdapter->mvSataAdapter.adapterId);
960 		contigfree(pAdapter->requestsArrayBaseAddr, REQUESTS_ARRAY_SIZE, M_DEVBUF);
961 		return -1;
962 	}
963 	/* response queues */
964 	pAdapter->responsesArrayBaseAddr = (MV_U8 *)contigmalloc(RESPONSES_ARRAY_SIZE,
965 			M_DEVBUF, M_NOWAIT, 0, 0xffffffff, PAGE_SIZE, 0ul);
966 	if (pAdapter->responsesArrayBaseAddr == NULL)
967 	{
968 		MV_ERROR("RR18xx[%d]: Failed to allocate memory for EDMA response"
969 				 " queues\n", pAdapter->mvSataAdapter.adapterId);
970 		contigfree(pAdapter->requestsArrayBaseAddr, RESPONSES_ARRAY_SIZE, M_DEVBUF);
971 		return -1;
972 	}
973 	pAdapter->responsesArrayBaseDmaAddr = fOsPhysicalAddress(pAdapter->responsesArrayBaseAddr);
974 	pAdapter->responsesArrayBaseAlignedAddr = pAdapter->responsesArrayBaseAddr;
975 	pAdapter->responsesArrayBaseAlignedAddr += MV_EDMA_RESPONSE_QUEUE_SIZE;
976 	pAdapter->responsesArrayBaseAlignedAddr  = (MV_U8 *)
977 		(((ULONG_PTR)pAdapter->responsesArrayBaseAlignedAddr) & ~(ULONG_PTR)(MV_EDMA_RESPONSE_QUEUE_SIZE - 1));
978 	pAdapter->responsesArrayBaseDmaAlignedAddr = pAdapter->responsesArrayBaseDmaAddr;
979 	pAdapter->responsesArrayBaseDmaAlignedAddr += MV_EDMA_RESPONSE_QUEUE_SIZE;
980 	pAdapter->responsesArrayBaseDmaAlignedAddr &= ~(ULONG_PTR)(MV_EDMA_RESPONSE_QUEUE_SIZE - 1);
981 
982 	if ((pAdapter->responsesArrayBaseDmaAlignedAddr - pAdapter->responsesArrayBaseDmaAddr) !=
983 		(pAdapter->responsesArrayBaseAlignedAddr - pAdapter->responsesArrayBaseAddr))
984 	{
985 		MV_ERROR("RR18xx[%d]: Error in Response Quueues Alignment\n",
986 				 pAdapter->mvSataAdapter.adapterId);
987 		contigfree(pAdapter->requestsArrayBaseAddr, REQUESTS_ARRAY_SIZE, M_DEVBUF);
988 		contigfree(pAdapter->responsesArrayBaseAddr, RESPONSES_ARRAY_SIZE, M_DEVBUF);
989 		return -1;
990 	}
991 	return 0;
992 }
993 
994 static void
995 hptmv_free_edma_queues(IAL_ADAPTER_T *pAdapter)
996 {
997 	contigfree(pAdapter->requestsArrayBaseAddr, REQUESTS_ARRAY_SIZE, M_DEVBUF);
998 	contigfree(pAdapter->responsesArrayBaseAddr, RESPONSES_ARRAY_SIZE, M_DEVBUF);
999 }
1000 
1001 static PVOID
1002 AllocatePRDTable(IAL_ADAPTER_T *pAdapter)
1003 {
1004 	PVOID ret;
1005 	if (pAdapter->pFreePRDLink) {
1006 		KdPrint(("pAdapter->pFreePRDLink:%p\n",pAdapter->pFreePRDLink));
1007 		ret = pAdapter->pFreePRDLink;
1008 		pAdapter->pFreePRDLink = *(void**)ret;
1009 		return ret;
1010 	}
1011 	return NULL;
1012 }
1013 
1014 static void
1015 FreePRDTable(IAL_ADAPTER_T *pAdapter, PVOID PRDTable)
1016 {
1017 	*(void**)PRDTable = pAdapter->pFreePRDLink;
1018 	pAdapter->pFreePRDLink = PRDTable;
1019 }
1020 
1021 extern PVDevice fGetFirstChild(PVDevice pLogical);
1022 extern void fResetBootMark(PVDevice pLogical);
1023 static void
1024 fRegisterVdevice(IAL_ADAPTER_T *pAdapter)
1025 {
1026 	PVDevice pPhysical, pLogical;
1027 	PVBus  pVBus;
1028 	int i,j;
1029 
1030 	for(i=0;i<MV_SATA_CHANNELS_NUM;i++) {
1031 		pPhysical = &(pAdapter->VDevices[i]);
1032 		pLogical = pPhysical;
1033 		while (pLogical->pParent) pLogical = pLogical->pParent;
1034 		if (pLogical->vf_online==0) {
1035 			pPhysical->vf_bootmark = pLogical->vf_bootmark = 0;
1036 			continue;
1037 		}
1038 		if (pLogical->VDeviceType==VD_SPARE || pPhysical!=fGetFirstChild(pLogical))
1039 			continue;
1040 
1041 		pVBus = &pAdapter->VBus;
1042 		if(pVBus)
1043 		{
1044 			j=0;
1045 			while(j<MAX_VDEVICE_PER_VBUS && pVBus->pVDevice[j]) j++;
1046 			if(j<MAX_VDEVICE_PER_VBUS){
1047 				pVBus->pVDevice[j] = pLogical;
1048 				pLogical->pVBus = pVBus;
1049 
1050 				if (j>0 && pLogical->vf_bootmark) {
1051 					if (pVBus->pVDevice[0]->vf_bootmark) {
1052 						fResetBootMark(pLogical);
1053 					}
1054 					else {
1055 						do { pVBus->pVDevice[j] = pVBus->pVDevice[j-1]; } while (--j);
1056 						pVBus->pVDevice[0] = pLogical;
1057 					}
1058 				}
1059 			}
1060 		}
1061 	}
1062 }
1063 
1064 PVDevice
1065 GetSpareDisk(_VBUS_ARG PVDevice pArray)
1066 {
1067 	IAL_ADAPTER_T *pAdapter = (IAL_ADAPTER_T *)pArray->pVBus->OsExt;
1068 	LBA_T capacity = LongDiv(pArray->VDeviceCapacity, pArray->u.array.bArnMember-1);
1069 	LBA_T thiscap, maxcap = MAX_LBA_T;
1070 	PVDevice pVDevice, pFind = NULL;
1071 	int i;
1072 
1073 	for(i=0;i<MV_SATA_CHANNELS_NUM;i++)
1074 	{
1075 		pVDevice = &pAdapter->VDevices[i];
1076 		if(!pVDevice)
1077 			continue;
1078 		thiscap = pArray->vf_format_v2? pVDevice->u.disk.dDeRealCapacity : pVDevice->VDeviceCapacity;
1079 		/* find the smallest usable spare disk */
1080 		if (pVDevice->VDeviceType==VD_SPARE &&
1081 			pVDevice->u.disk.df_on_line &&
1082 			thiscap < maxcap &&
1083 			thiscap >= capacity)
1084 		{
1085 				maxcap = pVDevice->VDeviceCapacity;
1086 				pFind = pVDevice;
1087 		}
1088 	}
1089 	return pFind;
1090 }
1091 
1092 /******************************************************************
1093  * IO ATA Command
1094  *******************************************************************/
1095 int HPTLIBAPI
1096 fDeReadWrite(PDevice pDev, ULONG Lba, UCHAR Cmd, void *tmpBuffer)
1097 {
1098 	return mvReadWrite(pDev->mv, Lba, Cmd, tmpBuffer);
1099 }
1100 
1101 void HPTLIBAPI fDeSelectMode(PDevice pDev, UCHAR NewMode)
1102 {
1103 	MV_SATA_CHANNEL *pSataChannel = pDev->mv;
1104 	MV_SATA_ADAPTER *pSataAdapter = pSataChannel->mvSataAdapter;
1105 	MV_U8 channelIndex = pSataChannel->channelNumber;
1106 	UCHAR mvMode;
1107 	/* 508x don't use MW-DMA? */
1108 	if (NewMode>4 && NewMode<8) NewMode = 4;
1109 	pDev->bDeModeSetting = NewMode;
1110 	if (NewMode<=4)
1111 		mvMode = MV_ATA_TRANSFER_PIO_0 + NewMode;
1112 	else
1113 		mvMode = MV_ATA_TRANSFER_UDMA_0 + (NewMode-8);
1114 
1115 	/*To fix 88i8030 bug*/
1116 	if (mvMode > MV_ATA_TRANSFER_UDMA_0 && mvMode < MV_ATA_TRANSFER_UDMA_4)
1117 		mvMode = MV_ATA_TRANSFER_UDMA_0;
1118 
1119 	mvSataDisableChannelDma(pSataAdapter, channelIndex);
1120 	/* Flush pending commands */
1121 	mvSataFlushDmaQueue (pSataAdapter, channelIndex, MV_FLUSH_TYPE_NONE);
1122 
1123 	if (mvStorageDevATASetFeatures(pSataAdapter, channelIndex,
1124 								   MV_ATA_SET_FEATURES_TRANSFER,
1125 								   mvMode, 0, 0, 0) == MV_FALSE)
1126 	{
1127 		KdPrint(("channel %d: Set Features failed\n", channelIndex));
1128 	}
1129 	/* Enable EDMA */
1130 	if (mvSataEnableChannelDma(pSataAdapter, channelIndex) == MV_FALSE)
1131 		KdPrint(("Failed to enable DMA, channel=%d", channelIndex));
1132 }
1133 
1134 int HPTLIBAPI fDeSetTCQ(PDevice pDev, int enable, int depth)
1135 {
1136 	MV_SATA_CHANNEL *pSataChannel = pDev->mv;
1137 	MV_SATA_ADAPTER *pSataAdapter = pSataChannel->mvSataAdapter;
1138 	MV_U8 channelIndex = pSataChannel->channelNumber;
1139 	IAL_ADAPTER_T *pAdapter = pSataAdapter->IALData;
1140 	MV_CHANNEL		*channelInfo = &(pAdapter->mvChannel[channelIndex]);
1141 	int dmaActive = pSataChannel->queueCommandsEnabled;
1142 	int ret = 0;
1143 
1144 	if (dmaActive) {
1145 		mvSataDisableChannelDma(pSataAdapter, channelIndex);
1146 		mvSataFlushDmaQueue(pSataAdapter,channelIndex,MV_FLUSH_TYPE_CALLBACK);
1147 	}
1148 
1149 	if (enable) {
1150 		if (pSataChannel->queuedDMA == MV_EDMA_MODE_NOT_QUEUED &&
1151 			(pSataChannel->identifyDevice[IDEN_SUPPORTED_COMMANDS2] & (0x2))) {
1152 			UCHAR depth = ((pSataChannel->identifyDevice[IDEN_QUEUE_DEPTH]) & 0x1f) + 1;
1153 			channelInfo->queueDepth = (depth==32)? 31 : depth;
1154 			mvSataConfigEdmaMode(pSataAdapter, channelIndex, MV_EDMA_MODE_QUEUED, depth);
1155 			ret = 1;
1156 		}
1157 	}
1158 	else
1159 	{
1160 		if (pSataChannel->queuedDMA != MV_EDMA_MODE_NOT_QUEUED) {
1161 			channelInfo->queueDepth = 2;
1162 			mvSataConfigEdmaMode(pSataAdapter, channelIndex, MV_EDMA_MODE_NOT_QUEUED, 0);
1163 			ret = 1;
1164 		}
1165 	}
1166 
1167 	if (dmaActive)
1168 		mvSataEnableChannelDma(pSataAdapter,channelIndex);
1169 	return ret;
1170 }
1171 
1172 int HPTLIBAPI fDeSetNCQ(PDevice pDev, int enable, int depth)
1173 {
1174 	return 0;
1175 }
1176 
1177 int HPTLIBAPI fDeSetWriteCache(PDevice pDev, int enable)
1178 {
1179 	MV_SATA_CHANNEL *pSataChannel = pDev->mv;
1180 	MV_SATA_ADAPTER *pSataAdapter = pSataChannel->mvSataAdapter;
1181 	MV_U8 channelIndex = pSataChannel->channelNumber;
1182 	IAL_ADAPTER_T *pAdapter = pSataAdapter->IALData;
1183 	MV_CHANNEL		*channelInfo = &(pAdapter->mvChannel[channelIndex]);
1184 	int dmaActive = pSataChannel->queueCommandsEnabled;
1185 	int ret = 0;
1186 
1187 	if (dmaActive) {
1188 		mvSataDisableChannelDma(pSataAdapter, channelIndex);
1189 		mvSataFlushDmaQueue(pSataAdapter,channelIndex,MV_FLUSH_TYPE_CALLBACK);
1190 	}
1191 
1192 	if ((pSataChannel->identifyDevice[82] & (0x20))) {
1193 		if (enable) {
1194 			if (mvStorageDevATASetFeatures(pSataAdapter, channelIndex,
1195 				MV_ATA_SET_FEATURES_ENABLE_WCACHE, 0, 0, 0, 0))
1196 			{
1197 				channelInfo->writeCacheEnabled = MV_TRUE;
1198 				ret = 1;
1199 			}
1200 		}
1201 		else {
1202 			if (mvStorageDevATASetFeatures(pSataAdapter, channelIndex,
1203 				MV_ATA_SET_FEATURES_DISABLE_WCACHE, 0, 0, 0, 0))
1204 			{
1205 				channelInfo->writeCacheEnabled = MV_FALSE;
1206 				ret = 1;
1207 			}
1208 		}
1209 	}
1210 
1211 	if (dmaActive)
1212 		mvSataEnableChannelDma(pSataAdapter,channelIndex);
1213 	return ret;
1214 }
1215 
1216 int HPTLIBAPI fDeSetReadAhead(PDevice pDev, int enable)
1217 {
1218 	MV_SATA_CHANNEL *pSataChannel = pDev->mv;
1219 	MV_SATA_ADAPTER *pSataAdapter = pSataChannel->mvSataAdapter;
1220 	MV_U8 channelIndex = pSataChannel->channelNumber;
1221 	IAL_ADAPTER_T *pAdapter = pSataAdapter->IALData;
1222 	MV_CHANNEL		*channelInfo = &(pAdapter->mvChannel[channelIndex]);
1223 	int dmaActive = pSataChannel->queueCommandsEnabled;
1224 	int ret = 0;
1225 
1226 	if (dmaActive) {
1227 		mvSataDisableChannelDma(pSataAdapter, channelIndex);
1228 		mvSataFlushDmaQueue(pSataAdapter,channelIndex,MV_FLUSH_TYPE_CALLBACK);
1229 	}
1230 
1231 	if ((pSataChannel->identifyDevice[82] & (0x40))) {
1232 		if (enable) {
1233 			if (mvStorageDevATASetFeatures(pSataAdapter, channelIndex,
1234 				MV_ATA_SET_FEATURES_ENABLE_RLA, 0, 0, 0, 0))
1235 			{
1236 				channelInfo->readAheadEnabled = MV_TRUE;
1237 				ret = 1;
1238 			}
1239 		}
1240 		else {
1241 			if (mvStorageDevATASetFeatures(pSataAdapter, channelIndex,
1242 				MV_ATA_SET_FEATURES_DISABLE_RLA, 0, 0, 0, 0))
1243 			{
1244 				channelInfo->readAheadEnabled = MV_FALSE;
1245 				ret = 1;
1246 			}
1247 		}
1248 	}
1249 
1250 	if (dmaActive)
1251 		mvSataEnableChannelDma(pSataAdapter,channelIndex);
1252 	return ret;
1253 }
1254 
1255 #ifdef SUPPORT_ARRAY
1256 #define IdeRegisterVDevice  fCheckArray
1257 #else
1258 void
1259 IdeRegisterVDevice(PDevice pDev)
1260 {
1261 	PVDevice pVDev = Map2pVDevice(pDev);
1262 
1263 	pVDev->VDeviceType = pDev->df_atapi? VD_ATAPI :
1264 						 pDev->df_removable_drive? VD_REMOVABLE : VD_SINGLE_DISK;
1265 	pVDev->vf_online = 1;
1266 	pVDev->VDeviceCapacity = pDev->dDeRealCapacity;
1267 	pVDev->pfnSendCommand = pfnSendCommand[pVDev->VDeviceType];
1268 	pVDev->pfnDeviceFailed = pfnDeviceFailed[pVDev->VDeviceType];
1269 }
1270 #endif
1271 
1272 static __inline PBUS_DMAMAP
1273 dmamap_get(struct IALAdapter * pAdapter)
1274 {
1275 	PBUS_DMAMAP	p = pAdapter->pbus_dmamap_list;
1276 	if (p)
1277 		pAdapter->pbus_dmamap_list = p-> next;
1278 	return p;
1279 }
1280 
1281 static __inline void
1282 dmamap_put(PBUS_DMAMAP p)
1283 {
1284 	p->next = p->pAdapter->pbus_dmamap_list;
1285 	p->pAdapter->pbus_dmamap_list = p;
1286 }
1287 
1288 /*Since mtx not provide the initialize when declare, so we Final init here to initialize the global mtx*/
1289 #if __FreeBSD_version >= 500000
1290 #define override_kernel_driver()
1291 
1292 static void hpt_init(void *dummy)
1293 {
1294 	override_kernel_driver();
1295 	mtx_init(&driver_lock, "hptsleeplock", NULL, MTX_DEF);
1296 }
1297 SYSINIT(hptinit, SI_SUB_CONFIGURE, SI_ORDER_FIRST, hpt_init, NULL);
1298 #endif
1299 
1300 static int num_adapters = 0;
1301 static int
1302 init_adapter(IAL_ADAPTER_T *pAdapter)
1303 {
1304 	PVBus _vbus_p = &pAdapter->VBus;
1305 	MV_SATA_ADAPTER *pMvSataAdapter;
1306 	int i, channel, rid;
1307 
1308 	PVDevice pVDev;
1309 
1310 	intrmask_t oldspl = lock_driver();
1311 
1312 	pAdapter->next = 0;
1313 
1314 	if(gIal_Adapter == 0){
1315 		gIal_Adapter = pAdapter;
1316 		pCurAdapter = gIal_Adapter;
1317 	}
1318 	else {
1319 		pCurAdapter->next = pAdapter;
1320 		pCurAdapter = pAdapter;
1321 	}
1322 
1323 	pAdapter->outstandingCommands = 0;
1324 
1325 	pMvSataAdapter = &(pAdapter->mvSataAdapter);
1326 	_vbus_p->OsExt = (void *)pAdapter;
1327 	pMvSataAdapter->IALData = pAdapter;
1328 
1329 	if (bus_dma_tag_create(NULL,/* parent */
1330 			4,	/* alignment */
1331 			BUS_SPACE_MAXADDR_32BIT+1, /* boundary */
1332 			BUS_SPACE_MAXADDR,	/* lowaddr */
1333 			BUS_SPACE_MAXADDR,	/* highaddr */
1334 			NULL, NULL, 		/* filter, filterarg */
1335 			PAGE_SIZE * (MAX_SG_DESCRIPTORS-1), /* maxsize */
1336 			MAX_SG_DESCRIPTORS, /* nsegments */
1337 			0x10000,	/* maxsegsize */
1338 			BUS_DMA_WAITOK, 	/* flags */
1339 #if __FreeBSD_version>502000
1340 			busdma_lock_mutex,	/* lockfunc */
1341 			&driver_lock,		/* lockfuncarg */
1342 #endif
1343 			&pAdapter->io_dma_parent /* tag */))
1344 		{
1345 			return ENXIO;
1346 	}
1347 
1348 
1349 	if (hptmv_allocate_edma_queues(pAdapter))
1350 	{
1351 		MV_ERROR("RR18xx: Failed to allocate memory for EDMA queues\n");
1352 		unlock_driver(oldspl);
1353 		return ENOMEM;
1354 	}
1355 
1356 	/* also map EPROM address */
1357 	rid = 0x10;
1358 	if (!(pAdapter->mem_res = bus_alloc_resource(pAdapter->hpt_dev, SYS_RES_MEMORY, &rid,
1359 			0, ~0, MV_SATA_PCI_BAR0_SPACE_SIZE+0x40000, RF_ACTIVE))
1360 		||
1361 		!(pMvSataAdapter->adapterIoBaseAddress = rman_get_virtual(pAdapter->mem_res)))
1362 	{
1363 		MV_ERROR("RR18xx: Failed to remap memory space\n");
1364 		hptmv_free_edma_queues(pAdapter);
1365 		unlock_driver(oldspl);
1366 		return ENXIO;
1367 	}
1368 	else
1369 	{
1370 		KdPrint(("RR18xx: io base address 0x%p\n", pMvSataAdapter->adapterIoBaseAddress));
1371 	}
1372 
1373 	pMvSataAdapter->adapterId = num_adapters++;
1374 	/* get the revision ID */
1375 	pMvSataAdapter->pciConfigRevisionId = pci_read_config(pAdapter->hpt_dev, PCIR_REVID, 1);
1376 	pMvSataAdapter->pciConfigDeviceId = pci_get_device(pAdapter->hpt_dev);
1377 
1378 	/* init RR18xx */
1379 	pMvSataAdapter->intCoalThre[0]= 1;
1380 	pMvSataAdapter->intCoalThre[1]= 1;
1381 	pMvSataAdapter->intTimeThre[0] = 1;
1382 	pMvSataAdapter->intTimeThre[1] = 1;
1383 	pMvSataAdapter->pciCommand = 0x0107E371;
1384 	pMvSataAdapter->pciSerrMask = 0xd77fe6ul;
1385 	pMvSataAdapter->pciInterruptMask = 0xd77fe6ul;
1386 	pMvSataAdapter->mvSataEventNotify = hptmv_event_notify;
1387 
1388 	if (mvSataInitAdapter(pMvSataAdapter) == MV_FALSE)
1389 	{
1390 		MV_ERROR("RR18xx[%d]: core failed to initialize the adapter\n",
1391 				 pMvSataAdapter->adapterId);
1392 unregister:
1393 		bus_release_resource(pAdapter->hpt_dev, SYS_RES_MEMORY, rid, pAdapter->mem_res);
1394 		hptmv_free_edma_queues(pAdapter);
1395 		unlock_driver(oldspl);
1396 		return ENXIO;
1397 	}
1398 	pAdapter->ver_601 = pMvSataAdapter->pcbVersion;
1399 
1400 #ifndef FOR_DEMO
1401 	set_fail_leds(pMvSataAdapter, 0);
1402 #endif
1403 
1404 	/* setup command blocks */
1405 	KdPrint(("Allocate command blocks\n"));
1406 	_vbus_(pFreeCommands) = 0;
1407 	pAdapter->pCommandBlocks =
1408 		malloc(sizeof(struct _Command) * MAX_COMMAND_BLOCKS_FOR_EACH_VBUS, M_DEVBUF, M_NOWAIT);
1409 	KdPrint(("pCommandBlocks:%p\n",pAdapter->pCommandBlocks));
1410 	if (!pAdapter->pCommandBlocks) {
1411 		MV_ERROR("insufficient memory\n");
1412 		goto unregister;
1413 	}
1414 
1415 	for (i=0; i<MAX_COMMAND_BLOCKS_FOR_EACH_VBUS; i++) {
1416 		FreeCommand(_VBUS_P &(pAdapter->pCommandBlocks[i]));
1417 	}
1418 
1419 	/*Set up the bus_dmamap*/
1420 	pAdapter->pbus_dmamap = (PBUS_DMAMAP)malloc (sizeof(struct _BUS_DMAMAP) * MAX_QUEUE_COMM, M_DEVBUF, M_NOWAIT);
1421 	if(!pAdapter->pbus_dmamap) {
1422 		MV_ERROR("insufficient memory\n");
1423 		free(pAdapter->pCommandBlocks, M_DEVBUF);
1424 		goto unregister;
1425 	}
1426 
1427 	memset((void *)pAdapter->pbus_dmamap, 0, sizeof(struct _BUS_DMAMAP) * MAX_QUEUE_COMM);
1428 	pAdapter->pbus_dmamap_list = 0;
1429 	for (i=0; i < MAX_QUEUE_COMM; i++) {
1430 		PBUS_DMAMAP  pmap = &(pAdapter->pbus_dmamap[i]);
1431 		pmap->pAdapter = pAdapter;
1432 		dmamap_put(pmap);
1433 
1434 		if(bus_dmamap_create(pAdapter->io_dma_parent, 0, &pmap->dma_map)) {
1435 			MV_ERROR("Can not allocate dma map\n");
1436 			free(pAdapter->pCommandBlocks, M_DEVBUF);
1437 			free(pAdapter->pbus_dmamap, M_DEVBUF);
1438 			goto unregister;
1439 		}
1440 	}
1441 	/* setup PRD Tables */
1442 	KdPrint(("Allocate PRD Tables\n"));
1443 	pAdapter->pFreePRDLink = 0;
1444 
1445 	pAdapter->prdTableAddr = (PUCHAR)contigmalloc(
1446 		(PRD_ENTRIES_SIZE*PRD_TABLES_FOR_VBUS + 32), M_DEVBUF, M_NOWAIT, 0, 0xffffffff, PAGE_SIZE, 0ul);
1447 
1448 	KdPrint(("prdTableAddr:%p\n",pAdapter->prdTableAddr));
1449 	if (!pAdapter->prdTableAddr) {
1450 		MV_ERROR("insufficient PRD Tables\n");
1451 		goto unregister;
1452 	}
1453 	pAdapter->prdTableAlignedAddr = (PUCHAR)(((ULONG_PTR)pAdapter->prdTableAddr + 0x1f) & ~(ULONG_PTR)0x1fL);
1454 	{
1455 		PUCHAR PRDTable = pAdapter->prdTableAlignedAddr;
1456 		for (i=0; i<PRD_TABLES_FOR_VBUS; i++)
1457 		{
1458 /*			KdPrint(("i=%d,pAdapter->pFreePRDLink=%p\n",i,pAdapter->pFreePRDLink)); */
1459 			FreePRDTable(pAdapter, PRDTable);
1460 			PRDTable += PRD_ENTRIES_SIZE;
1461 		}
1462 	}
1463 
1464 	/* enable the adapter interrupts */
1465 
1466 	/* configure and start the connected channels*/
1467 	for (channel = 0; channel < MV_SATA_CHANNELS_NUM; channel++)
1468 	{
1469 		pAdapter->mvChannel[channel].online = MV_FALSE;
1470 		if (mvSataIsStorageDeviceConnected(pMvSataAdapter, channel)
1471 			== MV_TRUE)
1472 		{
1473 			KdPrint(("RR18xx[%d]: channel %d is connected\n",
1474 					  pMvSataAdapter->adapterId, channel));
1475 
1476 			if (hptmv_init_channel(pAdapter, channel) == 0)
1477 			{
1478 				if (mvSataConfigureChannel(pMvSataAdapter, channel) == MV_FALSE)
1479 				{
1480 					MV_ERROR("RR18xx[%d]: Failed to configure channel"
1481 							 " %d\n",pMvSataAdapter->adapterId, channel);
1482 					hptmv_free_channel(pAdapter, channel);
1483 				}
1484 				else
1485 				{
1486 					if (start_channel(pAdapter, channel))
1487 					{
1488 						MV_ERROR("RR18xx[%d]: Failed to start channel,"
1489 								 " channel=%d\n",pMvSataAdapter->adapterId,
1490 								 channel);
1491 						hptmv_free_channel(pAdapter, channel);
1492 					}
1493 					pAdapter->mvChannel[channel].online = MV_TRUE;
1494 					/*  mvSataChannelSetEdmaLoopBackMode(pMvSataAdapter,
1495 													   channel,
1496 													   MV_TRUE);*/
1497 				}
1498 			}
1499 		}
1500 		KdPrint(("pAdapter->mvChannel[channel].online:%x, channel:%d\n",
1501 			pAdapter->mvChannel[channel].online, channel));
1502 	}
1503 
1504 #ifdef SUPPORT_ARRAY
1505 	for(i = MAX_ARRAY_DEVICE - 1; i >= 0; i--) {
1506 		pVDev = ArrayTables(i);
1507 		mArFreeArrayTable(pVDev);
1508 	}
1509 #endif
1510 
1511 	KdPrint(("Initialize Devices\n"));
1512 	for (channel = 0; channel < MV_SATA_CHANNELS_NUM; channel++) {
1513 		MV_SATA_CHANNEL *pMvSataChannel = pMvSataAdapter->sataChannel[channel];
1514 		if (pMvSataChannel) {
1515 			init_vdev_params(pAdapter, channel);
1516 			IdeRegisterVDevice(&pAdapter->VDevices[channel].u.disk);
1517 		}
1518 	}
1519 #ifdef SUPPORT_ARRAY
1520 	CheckArrayCritical(_VBUS_P0);
1521 #endif
1522 	_vbus_p->nInstances = 1;
1523 	fRegisterVdevice(pAdapter);
1524 
1525 	for (channel=0;channel<MV_SATA_CHANNELS_NUM;channel++) {
1526 		pVDev = _vbus_p->pVDevice[channel];
1527 		if (pVDev && pVDev->vf_online)
1528 			fCheckBootable(pVDev);
1529 	}
1530 
1531 #if defined(SUPPORT_ARRAY) && defined(_RAID5N_)
1532 	init_raid5_memory(_VBUS_P0);
1533 	_vbus_(r5).enable_write_back = 1;
1534 	printf("RR18xx: RAID5 write-back %s\n", _vbus_(r5).enable_write_back? "enabled" : "disabled");
1535 #endif
1536 
1537 	mvSataUnmaskAdapterInterrupt(pMvSataAdapter);
1538 	unlock_driver(oldspl);
1539 	return 0;
1540 }
1541 
1542 int
1543 MvSataResetChannel(MV_SATA_ADAPTER *pMvSataAdapter, MV_U8 channel)
1544 {
1545 	IAL_ADAPTER_T   *pAdapter = (IAL_ADAPTER_T *)pMvSataAdapter->IALData;
1546 
1547 	mvSataDisableChannelDma(pMvSataAdapter, channel);
1548 	/* Flush pending commands */
1549 	mvSataFlushDmaQueue (pMvSataAdapter, channel, MV_FLUSH_TYPE_CALLBACK);
1550 
1551 	/* Software reset channel */
1552 	if (mvStorageDevATASoftResetDevice(pMvSataAdapter, channel) == MV_FALSE)
1553 	{
1554 		MV_ERROR("RR18xx [%d,%d]: failed to perform Software reset\n",
1555 				 pMvSataAdapter->adapterId, channel);
1556 		hptmv_free_channel(pAdapter, channel);
1557 		return -1;
1558 	}
1559 
1560 	/* Hardware reset channel */
1561 	if (mvSataChannelHardReset(pMvSataAdapter, channel)== MV_FALSE)
1562 	{
1563 		MV_ERROR("RR18xx [%d,%d] Failed to Hard reser the SATA channel\n",
1564 				 pMvSataAdapter->adapterId, channel);
1565 		hptmv_free_channel(pAdapter, channel);
1566 		return -1;
1567 	}
1568 
1569 	if (mvSataIsStorageDeviceConnected(pMvSataAdapter, channel) == MV_FALSE)
1570 	{
1571 		 MV_ERROR("RR18xx [%d,%d] Failed to Connect Device\n",
1572 				 pMvSataAdapter->adapterId, channel);
1573 		hptmv_free_channel(pAdapter, channel);
1574 		return -1;
1575 	}else
1576 	{
1577 		MV_ERROR("channel %d: perform recalibrate command", channel);
1578 		if (!mvStorageDevATAExecuteNonUDMACommand(pMvSataAdapter, channel,
1579 								MV_NON_UDMA_PROTOCOL_NON_DATA,
1580 								MV_FALSE,
1581 								NULL,	 /* pBuffer*/
1582 								0,		 /* count  */
1583 								0,		/*features*/
1584 										/* sectorCount */
1585 								0,
1586 								0,	/* lbaLow */
1587 								0,	/* lbaMid */
1588 									/* lbaHigh */
1589 								0,
1590 								0,		/* device */
1591 										/* command */
1592 								0x10))
1593 			MV_ERROR("channel %d: recalibrate failed", channel);
1594 
1595 		/* Set transfer mode */
1596 		if((mvStorageDevATASetFeatures(pMvSataAdapter, channel,
1597 						MV_ATA_SET_FEATURES_TRANSFER,
1598 						MV_ATA_TRANSFER_PIO_SLOW, 0, 0, 0) == MV_FALSE) ||
1599 			(mvStorageDevATASetFeatures(pMvSataAdapter, channel,
1600 						MV_ATA_SET_FEATURES_TRANSFER,
1601 						pAdapter->mvChannel[channel].maxPioModeSupported, 0, 0, 0) == MV_FALSE) ||
1602 			(mvStorageDevATASetFeatures(pMvSataAdapter, channel,
1603 						MV_ATA_SET_FEATURES_TRANSFER,
1604 						pAdapter->mvChannel[channel].maxUltraDmaModeSupported, 0, 0, 0) == MV_FALSE) )
1605 		{
1606 			MV_ERROR("channel %d: Set Features failed", channel);
1607 			hptmv_free_channel(pAdapter, channel);
1608 			return -1;
1609 		}
1610 		/* Enable EDMA */
1611 		if (mvSataEnableChannelDma(pMvSataAdapter, channel) == MV_FALSE)
1612 		{
1613 			MV_ERROR("Failed to enable DMA, channel=%d", channel);
1614 			hptmv_free_channel(pAdapter, channel);
1615 			return -1;
1616 		}
1617 	}
1618 	return 0;
1619 }
1620 
1621 static int
1622 fResetActiveCommands(PVBus _vbus_p)
1623 {
1624 	MV_SATA_ADAPTER *pMvSataAdapter = &((IAL_ADAPTER_T *)_vbus_p->OsExt)->mvSataAdapter;
1625 	MV_U8 channel;
1626 	for (channel=0;channel< MV_SATA_CHANNELS_NUM;channel++) {
1627 		if (pMvSataAdapter->sataChannel[channel] && pMvSataAdapter->sataChannel[channel]->outstandingCommands)
1628 			MvSataResetChannel(pMvSataAdapter,channel);
1629 	}
1630 	return 0;
1631 }
1632 
1633 void fCompleteAllCommandsSynchronously(PVBus _vbus_p)
1634 {
1635 	UINT cont;
1636 	ULONG ticks = 0;
1637 	MV_U8 channel;
1638 	MV_SATA_ADAPTER *pMvSataAdapter = &((IAL_ADAPTER_T *)_vbus_p->OsExt)->mvSataAdapter;
1639 	MV_SATA_CHANNEL *pMvSataChannel;
1640 
1641 	do {
1642 check_cmds:
1643 		cont = 0;
1644 		CheckPendingCall(_VBUS_P0);
1645 #ifdef _RAID5N_
1646 		dataxfer_poll();
1647 		xor_poll();
1648 #endif
1649 		for (channel=0;channel< MV_SATA_CHANNELS_NUM;channel++) {
1650 			pMvSataChannel = pMvSataAdapter->sataChannel[channel];
1651 			if (pMvSataChannel && pMvSataChannel->outstandingCommands)
1652 			{
1653 				while (pMvSataChannel->outstandingCommands) {
1654 					if (!mvSataInterruptServiceRoutine(pMvSataAdapter)) {
1655 						StallExec(1000);
1656 						if (ticks++ > 3000) {
1657 							MvSataResetChannel(pMvSataAdapter,channel);
1658 							goto check_cmds;
1659 						}
1660 					}
1661 					else
1662 						ticks = 0;
1663 				}
1664 				cont = 1;
1665 			}
1666 		}
1667 	} while (cont);
1668 }
1669 
1670 void
1671 fResetVBus(_VBUS_ARG0)
1672 {
1673 	KdPrint(("fMvResetBus(%p)", _vbus_p));
1674 
1675 	/* some commands may already finished. */
1676 	CheckPendingCall(_VBUS_P0);
1677 
1678 	fResetActiveCommands(_vbus_p);
1679 	/*
1680 	 * the other pending commands may still be finished successfully.
1681 	 */
1682 	fCompleteAllCommandsSynchronously(_vbus_p);
1683 
1684 	/* Now there should be no pending commands. No more action needed. */
1685 	CheckIdleCall(_VBUS_P0);
1686 
1687 	KdPrint(("fMvResetBus() done"));
1688 }
1689 
1690 /*No rescan function*/
1691 void
1692 fRescanAllDevice(_VBUS_ARG0)
1693 {
1694 }
1695 
1696 static MV_BOOLEAN
1697 CommandCompletionCB(MV_SATA_ADAPTER *pMvSataAdapter,
1698 					MV_U8 channelNum,
1699 					MV_COMPLETION_TYPE comp_type,
1700 					MV_VOID_PTR commandId,
1701 					MV_U16 responseFlags,
1702 					MV_U32 timeStamp,
1703 					MV_STORAGE_DEVICE_REGISTERS *registerStruct)
1704 {
1705 	PCommand pCmd = (PCommand) commandId;
1706 	_VBUS_INST(pCmd->pVDevice->pVBus)
1707 
1708 	if (pCmd->uScratch.sata_param.prdAddr)
1709 		FreePRDTable(pMvSataAdapter->IALData,pCmd->uScratch.sata_param.prdAddr);
1710 
1711 	switch (comp_type)
1712 	{
1713 	case MV_COMPLETION_TYPE_NORMAL:
1714 		pCmd->Result = RETURN_SUCCESS;
1715 		break;
1716 	case MV_COMPLETION_TYPE_ABORT:
1717 		pCmd->Result = RETURN_BUS_RESET;
1718 		break;
1719 	case MV_COMPLETION_TYPE_ERROR:
1720 		 MV_ERROR("IAL: COMPLETION ERROR, adapter %d, channel %d, flags=%x\n",
1721 				 pMvSataAdapter->adapterId, channelNum, responseFlags);
1722 
1723 		if (responseFlags & 4) {
1724 			MV_ERROR("ATA regs: error %x, sector count %x, LBA low %x, LBA mid %x,"
1725 				" LBA high %x, device %x, status %x\n",
1726 				registerStruct->errorRegister,
1727 				registerStruct->sectorCountRegister,
1728 				registerStruct->lbaLowRegister,
1729 				registerStruct->lbaMidRegister,
1730 				registerStruct->lbaHighRegister,
1731 				registerStruct->deviceRegister,
1732 				registerStruct->statusRegister);
1733 		}
1734 		/*We can't do handleEdmaError directly here, because CommandCompletionCB is called by
1735 		 * mv's ISR, if we retry the command, than the internel data structure may be destroyed*/
1736 		pCmd->uScratch.sata_param.responseFlags = responseFlags;
1737 		pCmd->uScratch.sata_param.bIdeStatus = registerStruct->statusRegister;
1738 		pCmd->uScratch.sata_param.errorRegister = registerStruct->errorRegister;
1739 		pCmd->pVDevice->u.disk.QueueLength--;
1740 		CallAfterReturn(_VBUS_P (DPC_PROC)handleEdmaError,pCmd);
1741 		return TRUE;
1742 
1743 	default:
1744 		MV_ERROR(" Unknown completion type (%d)\n", comp_type);
1745 		return MV_FALSE;
1746 	}
1747 
1748 	if (pCmd->uCmd.Ide.Command == IDE_COMMAND_VERIFY && pCmd->uScratch.sata_param.cmd_priv > 1) {
1749 		pCmd->uScratch.sata_param.cmd_priv --;
1750 		return TRUE;
1751 	}
1752 	pCmd->pVDevice->u.disk.QueueLength--;
1753 	CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1754 	return TRUE;
1755 }
1756 
1757 void
1758 fDeviceSendCommand(_VBUS_ARG PCommand pCmd)
1759 {
1760 	MV_SATA_EDMA_PRD_ENTRY  *pPRDTable = 0;
1761 	MV_SATA_ADAPTER *pMvSataAdapter;
1762 	MV_SATA_CHANNEL *pMvSataChannel;
1763 	PVDevice pVDevice = pCmd->pVDevice;
1764 	PDevice  pDevice = &pVDevice->u.disk;
1765 	LBA_T    Lba = pCmd->uCmd.Ide.Lba;
1766 	USHORT   nSector = pCmd->uCmd.Ide.nSectors;
1767 
1768 	MV_QUEUE_COMMAND_RESULT result;
1769 	MV_QUEUE_COMMAND_INFO commandInfo;
1770 	MV_UDMA_COMMAND_PARAMS  *pUdmaParams = &commandInfo.commandParams.udmaCommand;
1771 	MV_NONE_UDMA_COMMAND_PARAMS *pNoUdmaParams = &commandInfo.commandParams.NoneUdmaCommand;
1772 
1773 	MV_BOOLEAN is48bit;
1774 	MV_U8      channel;
1775 	int        i=0;
1776 
1777 	DECLARE_BUFFER(FPSCAT_GATH, tmpSg);
1778 
1779 	if (!pDevice->df_on_line) {
1780 		MV_ERROR("Device is offline");
1781 		pCmd->Result = RETURN_BAD_DEVICE;
1782 		CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1783 		return;
1784 	}
1785 
1786 	pDevice->HeadPosition = pCmd->uCmd.Ide.Lba + pCmd->uCmd.Ide.nSectors;
1787 	pMvSataChannel = pDevice->mv;
1788 	pMvSataAdapter = pMvSataChannel->mvSataAdapter;
1789 	channel = pMvSataChannel->channelNumber;
1790 
1791 	/* old RAID0 has hidden lba. Remember to clear dDeHiddenLba when delete array! */
1792 	Lba += pDevice->dDeHiddenLba;
1793 	/* check LBA */
1794 	if (Lba+nSector-1 > pDevice->dDeRealCapacity) {
1795 		pCmd->Result = RETURN_INVALID_REQUEST;
1796 		CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1797 		return;
1798 	}
1799 
1800 	/*
1801 	 * always use 48bit LBA if drive supports it.
1802 	 * Some Seagate drives report error if you use a 28-bit command
1803 	 * to access sector 0xfffffff.
1804 	 */
1805 	is48bit = pMvSataChannel->lba48Address;
1806 
1807 	switch (pCmd->uCmd.Ide.Command)
1808 	{
1809 	case IDE_COMMAND_READ:
1810 	case IDE_COMMAND_WRITE:
1811 		if (pDevice->bDeModeSetting<8) goto pio;
1812 
1813 		commandInfo.type = MV_QUEUED_COMMAND_TYPE_UDMA;
1814 		pUdmaParams->isEXT = is48bit;
1815 		pUdmaParams->numOfSectors = nSector;
1816 		pUdmaParams->lowLBAAddress = Lba;
1817 		pUdmaParams->highLBAAddress = 0;
1818 		pUdmaParams->prdHighAddr = 0;
1819 		pUdmaParams->callBack = CommandCompletionCB;
1820 		pUdmaParams->commandId = (MV_VOID_PTR )pCmd;
1821 		if(pCmd->uCmd.Ide.Command == IDE_COMMAND_READ)
1822 			pUdmaParams->readWrite = MV_UDMA_TYPE_READ;
1823 		else
1824 			pUdmaParams->readWrite = MV_UDMA_TYPE_WRITE;
1825 
1826 		if (pCmd->pSgTable && pCmd->cf_physical_sg) {
1827 			FPSCAT_GATH sg1=tmpSg, sg2=pCmd->pSgTable;
1828 			do { *sg1++=*sg2; } while ((sg2++->wSgFlag & SG_FLAG_EOT)==0);
1829 		}
1830 		else {
1831 			if (!pCmd->pfnBuildSgl || !pCmd->pfnBuildSgl(_VBUS_P pCmd, tmpSg, 0)) {
1832 pio:
1833 				mvSataDisableChannelDma(pMvSataAdapter, channel);
1834 				mvSataFlushDmaQueue(pMvSataAdapter, channel, MV_FLUSH_TYPE_CALLBACK);
1835 
1836 				if (pCmd->pSgTable && pCmd->cf_physical_sg==0) {
1837 					FPSCAT_GATH sg1=tmpSg, sg2=pCmd->pSgTable;
1838 					do { *sg1++=*sg2; } while ((sg2++->wSgFlag & SG_FLAG_EOT)==0);
1839 				}
1840 				else {
1841 					if (!pCmd->pfnBuildSgl || !pCmd->pfnBuildSgl(_VBUS_P pCmd, tmpSg, 1)) {
1842 						pCmd->Result = RETURN_NEED_LOGICAL_SG;
1843 						goto finish_cmd;
1844 					}
1845 				}
1846 
1847 				do {
1848 					ULONG size = tmpSg->wSgSize? tmpSg->wSgSize : 0x10000;
1849 					ULONG_PTR addr = tmpSg->dSgAddress;
1850 					if (size & 0x1ff) {
1851 						pCmd->Result = RETURN_INVALID_REQUEST;
1852 						goto finish_cmd;
1853 					}
1854 					if (mvStorageDevATAExecuteNonUDMACommand(pMvSataAdapter, channel,
1855 						(pCmd->cf_data_out)?MV_NON_UDMA_PROTOCOL_PIO_DATA_OUT:MV_NON_UDMA_PROTOCOL_PIO_DATA_IN,
1856 						is48bit,
1857 						(MV_U16_PTR)addr,
1858 						size >> 1,	/* count       */
1859 						0,		/* features  N/A  */
1860 						(MV_U16)(size>>9),	/*sector count*/
1861 						(MV_U16)(  (is48bit? (MV_U16)((Lba >> 16) & 0xFF00) : 0 )  | (UCHAR)(Lba & 0xFF) ), /*lbalow*/
1862 						(MV_U16)((Lba >> 8) & 0xFF), /* lbaMid      */
1863 						(MV_U16)((Lba >> 16) & 0xFF),/* lbaHigh     */
1864 						(MV_U8)(0x40 | (is48bit ? 0 : (UCHAR)(Lba >> 24) & 0xFF )),/* device      */
1865 						(MV_U8)(is48bit ? (pCmd->cf_data_in?IDE_COMMAND_READ_EXT:IDE_COMMAND_WRITE_EXT):pCmd->uCmd.Ide.Command)
1866 					)==MV_FALSE)
1867 					{
1868 						pCmd->Result = RETURN_IDE_ERROR;
1869 						goto finish_cmd;
1870 					}
1871 					Lba += size>>9;
1872 					if(Lba & 0xF0000000) is48bit = MV_TRUE;
1873 				}
1874 				while ((tmpSg++->wSgFlag & SG_FLAG_EOT)==0);
1875 				pCmd->Result = RETURN_SUCCESS;
1876 finish_cmd:
1877 				mvSataEnableChannelDma(pMvSataAdapter,channel);
1878 				CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1879 				return;
1880 			}
1881 		}
1882 
1883 		pPRDTable = (MV_SATA_EDMA_PRD_ENTRY *) AllocatePRDTable(pMvSataAdapter->IALData);
1884 		KdPrint(("pPRDTable:%p\n",pPRDTable));
1885 		if (!pPRDTable) {
1886 			pCmd->Result = RETURN_DEVICE_BUSY;
1887 			CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1888 			HPT_ASSERT(0);
1889 			return;
1890 		}
1891 
1892 		do{
1893 			pPRDTable[i].highBaseAddr = (sizeof(tmpSg->dSgAddress)>4 ? (MV_U32)(tmpSg->dSgAddress>>32) : 0);
1894 			pPRDTable[i].flags = (MV_U16)tmpSg->wSgFlag;
1895 			pPRDTable[i].byteCount = (MV_U16)tmpSg->wSgSize;
1896 			pPRDTable[i].lowBaseAddr = (MV_U32)tmpSg->dSgAddress;
1897 			pPRDTable[i].reserved = 0;
1898 			i++;
1899 		}while((tmpSg++->wSgFlag & SG_FLAG_EOT)==0);
1900 
1901 		pUdmaParams->prdLowAddr = (ULONG)fOsPhysicalAddress(pPRDTable);
1902 		if ((pUdmaParams->numOfSectors == 256) && (pMvSataChannel->lba48Address == MV_FALSE)) {
1903 			pUdmaParams->numOfSectors = 0;
1904 		}
1905 
1906 		pCmd->uScratch.sata_param.prdAddr = (PVOID)pPRDTable;
1907 
1908 		result = mvSataQueueCommand(pMvSataAdapter, channel, &commandInfo);
1909 
1910 		if (result != MV_QUEUE_COMMAND_RESULT_OK)
1911 		{
1912 queue_failed:
1913 			switch (result)
1914 			{
1915 			case MV_QUEUE_COMMAND_RESULT_BAD_LBA_ADDRESS:
1916 				MV_ERROR("IAL Error: Edma Queue command failed. Bad LBA "
1917 						 "LBA[31:0](0x%08x)\n", pUdmaParams->lowLBAAddress);
1918 				pCmd->Result = RETURN_IDE_ERROR;
1919 				break;
1920 			case MV_QUEUE_COMMAND_RESULT_QUEUED_MODE_DISABLED:
1921 				MV_ERROR("IAL Error: Edma Queue command failed. EDMA"
1922 						 " disabled adapter %d channel %d\n",
1923 						 pMvSataAdapter->adapterId, channel);
1924 				mvSataEnableChannelDma(pMvSataAdapter,channel);
1925 				pCmd->Result = RETURN_IDE_ERROR;
1926 				break;
1927 			case MV_QUEUE_COMMAND_RESULT_FULL:
1928 				MV_ERROR("IAL Error: Edma Queue command failed. Queue is"
1929 						 " Full adapter %d channel %d\n",
1930 						 pMvSataAdapter->adapterId, channel);
1931 				pCmd->Result = RETURN_DEVICE_BUSY;
1932 				break;
1933 			case MV_QUEUE_COMMAND_RESULT_BAD_PARAMS:
1934 				MV_ERROR("IAL Error: Edma Queue command failed. (Bad "
1935 						 "Params), pMvSataAdapter: %p,  pSataChannel: %p.\n",
1936 						 pMvSataAdapter, pMvSataAdapter->sataChannel[channel]);
1937 				pCmd->Result = RETURN_IDE_ERROR;
1938 				break;
1939 			default:
1940 				MV_ERROR("IAL Error: Bad result value (%d) from queue"
1941 						 " command\n", result);
1942 				pCmd->Result = RETURN_IDE_ERROR;
1943 			}
1944 			if(pPRDTable)
1945 				FreePRDTable(pMvSataAdapter->IALData,pPRDTable);
1946 			CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1947 		}
1948 		pDevice->QueueLength++;
1949 		return;
1950 
1951 	case IDE_COMMAND_VERIFY:
1952 		commandInfo.type = MV_QUEUED_COMMAND_TYPE_NONE_UDMA;
1953 		pNoUdmaParams->bufPtr = NULL;
1954 		pNoUdmaParams->callBack = CommandCompletionCB;
1955 		pNoUdmaParams->commandId = (MV_VOID_PTR)pCmd;
1956 		pNoUdmaParams->count = 0;
1957 		pNoUdmaParams->features = 0;
1958 		pNoUdmaParams->protocolType = MV_NON_UDMA_PROTOCOL_NON_DATA;
1959 
1960 		pCmd->uScratch.sata_param.cmd_priv = 1;
1961 		if (pMvSataChannel->lba48Address == MV_TRUE){
1962 			pNoUdmaParams->command = MV_ATA_COMMAND_READ_VERIFY_SECTORS_EXT;
1963 			pNoUdmaParams->isEXT = MV_TRUE;
1964 			pNoUdmaParams->lbaHigh = (MV_U16)((Lba & 0xff0000) >> 16);
1965 			pNoUdmaParams->lbaMid = (MV_U16)((Lba & 0xff00) >> 8);
1966 			pNoUdmaParams->lbaLow =
1967 				(MV_U16)(((Lba & 0xff000000) >> 16)| (Lba & 0xff));
1968 			pNoUdmaParams->sectorCount = nSector;
1969 			pNoUdmaParams->device = 0x40;
1970 			result = mvSataQueueCommand(pMvSataAdapter, channel, &commandInfo);
1971 			if (result != MV_QUEUE_COMMAND_RESULT_OK){
1972 				goto queue_failed;
1973 			}
1974 			return;
1975 		}
1976 		else{
1977 			pNoUdmaParams->command = MV_ATA_COMMAND_READ_VERIFY_SECTORS;
1978 			pNoUdmaParams->isEXT = MV_FALSE;
1979 			pNoUdmaParams->lbaHigh = (MV_U16)((Lba & 0xff0000) >> 16);
1980 			pNoUdmaParams->lbaMid = (MV_U16)((Lba & 0xff00) >> 8);
1981 			pNoUdmaParams->lbaLow = (MV_U16)(Lba & 0xff);
1982 			pNoUdmaParams->sectorCount = 0xff & nSector;
1983 			pNoUdmaParams->device = (MV_U8)(0x40 |
1984 				((Lba & 0xf000000) >> 24));
1985 			pNoUdmaParams->callBack = CommandCompletionCB;
1986 			result = mvSataQueueCommand(pMvSataAdapter, channel, &commandInfo);
1987 			/*FIXME: how about the commands already queued? but marvel also forgets to consider this*/
1988 			if (result != MV_QUEUE_COMMAND_RESULT_OK){
1989 				goto queue_failed;
1990 			}
1991 		}
1992 		break;
1993 	default:
1994 		pCmd->Result = RETURN_INVALID_REQUEST;
1995 		CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1996 		break;
1997 	}
1998 }
1999 
2000 /**********************************************************
2001  *
2002  *	Probe the hostadapter.
2003  *
2004  **********************************************************/
2005 static int
2006 hpt_probe(device_t dev)
2007 {
2008 	if ((pci_get_vendor(dev) == MV_SATA_VENDOR_ID) &&
2009 		(pci_get_device(dev) == MV_SATA_DEVICE_ID_5081
2010 #ifdef FOR_DEMO
2011 		|| pci_get_device(dev) == MV_SATA_DEVICE_ID_5080
2012 #endif
2013 		))
2014 	{
2015 		KdPrintI((CONTROLLER_NAME " found\n"));
2016 		device_set_desc(dev, CONTROLLER_NAME);
2017 		return 0;
2018 	}
2019 	else
2020 		return(ENXIO);
2021 }
2022 
2023 /***********************************************************
2024  *
2025  *      Auto configuration:  attach and init a host adapter.
2026  *
2027  ***********************************************************/
2028 static int
2029 hpt_attach(device_t dev)
2030 {
2031 	IAL_ADAPTER_T * pAdapter = device_get_softc(dev);
2032 	int rid;
2033 	union ccb *ccb;
2034 	struct cam_devq *devq;
2035 	struct cam_sim *hpt_vsim;
2036 
2037 	printf("%s Version %s \n", DRIVER_NAME, DRIVER_VERSION);
2038 
2039 	if (!pAdapter)
2040 	{
2041 		pAdapter = (IAL_ADAPTER_T *)malloc(sizeof (IAL_ADAPTER_T), M_DEVBUF, M_NOWAIT);
2042 #if __FreeBSD_version > 410000
2043 		device_set_softc(dev, (void *)pAdapter);
2044 #else
2045 		device_set_driver(dev, (driver_t *)pAdapter);
2046 #endif
2047 	}
2048 
2049 	if (!pAdapter) return (ENOMEM);
2050 	bzero(pAdapter, sizeof(IAL_ADAPTER_T));
2051 
2052 	pAdapter->hpt_dev = dev;
2053 
2054 	rid = init_adapter(pAdapter);
2055 	if (rid)
2056 		return rid;
2057 
2058 	rid = 0;
2059 	if ((pAdapter->hpt_irq = bus_alloc_resource(pAdapter->hpt_dev, SYS_RES_IRQ, &rid, 0, ~0ul, 1, RF_SHAREABLE | RF_ACTIVE)) == NULL)
2060 	{
2061 		hpt_printk(("can't allocate interrupt\n"));
2062 		return(ENXIO);
2063 	}
2064 
2065 #if __FreeBSD_version <700000
2066 	if (bus_setup_intr(pAdapter->hpt_dev, pAdapter->hpt_irq, INTR_TYPE_CAM,
2067 				hpt_intr, pAdapter, &pAdapter->hpt_intr))
2068 #else
2069 	if (bus_setup_intr(pAdapter->hpt_dev, pAdapter->hpt_irq, INTR_TYPE_CAM,
2070 				NULL, hpt_intr, pAdapter, &pAdapter->hpt_intr))
2071 #endif
2072 	{
2073 		hpt_printk(("can't set up interrupt\n"));
2074 		free(pAdapter, M_DEVBUF);
2075 		return(ENXIO);
2076 	}
2077 
2078 
2079 	if((ccb = (union ccb *)malloc(sizeof(*ccb), M_DEVBUF, M_WAITOK)) != (union ccb*)NULL)
2080 	{
2081 		bzero(ccb, sizeof(*ccb));
2082 		ccb->ccb_h.pinfo.priority = 1;
2083 		ccb->ccb_h.pinfo.index = CAM_UNQUEUED_INDEX;
2084 	}
2085 	else
2086 	{
2087 		return ENOMEM;
2088 	}
2089 	/*
2090 	 * Create the device queue for our SIM(s).
2091 	 */
2092 	if((devq = cam_simq_alloc(8/*MAX_QUEUE_COMM*/)) == NULL)
2093 	{
2094 		KdPrint(("ENXIO\n"));
2095 		return ENOMEM;
2096 	}
2097 
2098 	/*
2099 	 * Construct our SIM entry
2100 	 */
2101 #if __FreeBSD_version <700000
2102 	hpt_vsim = cam_sim_alloc(hpt_action, hpt_poll, __str(PROC_DIR_NAME),
2103 			pAdapter, device_get_unit(pAdapter->hpt_dev), 1, 8, devq);
2104 #else
2105 	hpt_vsim = cam_sim_alloc(hpt_action, hpt_poll, __str(PROC_DIR_NAME),
2106 			pAdapter, device_get_unit(pAdapter->hpt_dev), &Giant, 1, 8, devq);
2107 #endif
2108 	if (hpt_vsim == NULL) {
2109 		cam_simq_free(devq);
2110 		return ENOMEM;
2111 	}
2112 
2113 #if __FreeBSD_version <700000
2114 	if (xpt_bus_register(hpt_vsim, 0) != CAM_SUCCESS)
2115 #else
2116 	if (xpt_bus_register(hpt_vsim, dev, 0) != CAM_SUCCESS)
2117 #endif
2118 	{
2119 		cam_sim_free(hpt_vsim, /*free devq*/ TRUE);
2120 		hpt_vsim = NULL;
2121 		return ENXIO;
2122 	}
2123 
2124 	if(xpt_create_path(&pAdapter->path, /*periph */ NULL,
2125 			cam_sim_path(hpt_vsim), CAM_TARGET_WILDCARD,
2126 			CAM_LUN_WILDCARD) != CAM_REQ_CMP)
2127 	{
2128 		xpt_bus_deregister(cam_sim_path(hpt_vsim));
2129 		cam_sim_free(hpt_vsim, /*free_devq*/TRUE);
2130 		hpt_vsim = NULL;
2131 		return ENXIO;
2132 	}
2133 
2134 	xpt_setup_ccb(&(ccb->ccb_h), pAdapter->path, /*priority*/5);
2135 	ccb->ccb_h.func_code = XPT_SASYNC_CB;
2136 	ccb->csa.event_enable = AC_LOST_DEVICE;
2137 	ccb->csa.callback = hpt_async;
2138 	ccb->csa.callback_arg = hpt_vsim;
2139 	xpt_action((union ccb *)ccb);
2140 	free(ccb, M_DEVBUF);
2141 
2142 	if (device_get_unit(dev) == 0) {
2143 		/* Start the work thread.  XXX */
2144 		launch_worker_thread();
2145 	}
2146 
2147 	return 0;
2148 }
2149 
2150 static int
2151 hpt_detach(device_t dev)
2152 {
2153 	return (EBUSY);
2154 }
2155 
2156 
2157 /***************************************************************
2158  * The poll function is used to simulate the interrupt when
2159  * the interrupt subsystem is not functioning.
2160  *
2161  ***************************************************************/
2162 static void
2163 hpt_poll(struct cam_sim *sim)
2164 {
2165 	hpt_intr((void *)cam_sim_softc(sim));
2166 }
2167 
2168 /****************************************************************
2169  *	Name:	hpt_intr
2170  *	Description:	Interrupt handler.
2171  ****************************************************************/
2172 static void
2173 hpt_intr(void *arg)
2174 {
2175 	IAL_ADAPTER_T *pAdapter = (IAL_ADAPTER_T *)arg;
2176 	intrmask_t oldspl = lock_driver();
2177 
2178 	/* KdPrintI(("----- Entering Isr() -----\n")); */
2179 	if (mvSataInterruptServiceRoutine(&pAdapter->mvSataAdapter) == MV_TRUE)
2180 	{
2181 		_VBUS_INST(&pAdapter->VBus)
2182 		CheckPendingCall(_VBUS_P0);
2183 	}
2184 
2185 	/* KdPrintI(("----- Leaving Isr() -----\n")); */
2186 	unlock_driver(oldspl);
2187 }
2188 
2189 /**********************************************************
2190  * 			Asynchronous Events
2191  *********************************************************/
2192 #if (!defined(UNREFERENCED_PARAMETER))
2193 #define UNREFERENCED_PARAMETER(x) (void)(x)
2194 #endif
2195 
2196 static void
2197 hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path,
2198     void * arg)
2199 {
2200 	/* debug XXXX */
2201 	panic("Here");
2202 	UNREFERENCED_PARAMETER(callback_arg);
2203 	UNREFERENCED_PARAMETER(code);
2204 	UNREFERENCED_PARAMETER(path);
2205 	UNREFERENCED_PARAMETER(arg);
2206 
2207 }
2208 
2209 static void
2210 FlushAdapter(IAL_ADAPTER_T *pAdapter)
2211 {
2212 	int i;
2213 
2214 	hpt_printk(("flush all devices\n"));
2215 
2216 	/* flush all devices */
2217 	for (i=0; i<MAX_VDEVICE_PER_VBUS; i++) {
2218 		PVDevice pVDev = pAdapter->VBus.pVDevice[i];
2219 		if(pVDev) fFlushVDev(pVDev);
2220 	}
2221 }
2222 
2223 static int
2224 hpt_shutdown(device_t dev)
2225 {
2226 		IAL_ADAPTER_T *pAdapter;
2227 
2228 		pAdapter = device_get_softc(dev);
2229 		if (pAdapter == NULL)
2230 			return (EINVAL);
2231 
2232 		EVENTHANDLER_DEREGISTER(shutdown_final, pAdapter->eh);
2233 		FlushAdapter(pAdapter);
2234 		  /* give the flush some time to happen,
2235 		    *otherwise "shutdown -p now" will make file system corrupted */
2236 		DELAY(1000 * 1000 * 5);
2237 		return 0;
2238 }
2239 
2240 void
2241 Check_Idle_Call(IAL_ADAPTER_T *pAdapter)
2242 {
2243 	_VBUS_INST(&pAdapter->VBus)
2244 
2245 	if (mWaitingForIdle(_VBUS_P0)) {
2246 		CheckIdleCall(_VBUS_P0);
2247 #ifdef SUPPORT_ARRAY
2248 		{
2249 			int i;
2250 			PVDevice pArray;
2251 			for(i = 0; i < MAX_ARRAY_PER_VBUS; i++){
2252 				if ((pArray=ArrayTables(i))->u.array.dArStamp==0)
2253 					continue;
2254 				else if (pArray->u.array.rf_auto_rebuild) {
2255 						KdPrint(("auto rebuild.\n"));
2256 						pArray->u.array.rf_auto_rebuild = 0;
2257 						hpt_queue_dpc((HPT_DPC)hpt_rebuild_data_block, pAdapter, pArray, DUPLICATE);
2258 				}
2259 			}
2260 		}
2261 #endif
2262 	}
2263 	/* launch the awaiting commands blocked by mWaitingForIdle */
2264 	while(pAdapter->pending_Q!= NULL)
2265 	{
2266 		_VBUS_INST(&pAdapter->VBus)
2267 		union ccb *ccb = (union ccb *)pAdapter->pending_Q->ccb_h.ccb_ccb_ptr;
2268 		hpt_free_ccb(&pAdapter->pending_Q, ccb);
2269 		CallAfterReturn(_VBUS_P (DPC_PROC)OsSendCommand, ccb);
2270 	}
2271 }
2272 
2273 static void
2274 ccb_done(union ccb *ccb)
2275 {
2276 	PBUS_DMAMAP pmap = (PBUS_DMAMAP)ccb->ccb_adapter;
2277 	IAL_ADAPTER_T * pAdapter = pmap->pAdapter;
2278 	KdPrintI(("ccb_done: ccb %p status %x\n", ccb, ccb->ccb_h.status));
2279 
2280 	dmamap_put(pmap);
2281 	xpt_done(ccb);
2282 
2283 	pAdapter->outstandingCommands--;
2284 
2285 	if (pAdapter->outstandingCommands == 0)
2286 	{
2287 		if(DPC_Request_Nums == 0)
2288 			Check_Idle_Call(pAdapter);
2289 	}
2290 }
2291 
2292 /****************************************************************
2293  *	Name:	hpt_action
2294  *	Description:	Process a queued command from the CAM layer.
2295  *	Parameters:		sim - Pointer to SIM object
2296  *					ccb - Pointer to SCSI command structure.
2297  ****************************************************************/
2298 
2299 void
2300 hpt_action(struct cam_sim *sim, union ccb *ccb)
2301 {
2302 	intrmask_t oldspl;
2303 	IAL_ADAPTER_T * pAdapter = (IAL_ADAPTER_T *) cam_sim_softc(sim);
2304 	PBUS_DMAMAP  pmap;
2305 	_VBUS_INST(&pAdapter->VBus)
2306 
2307 	CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("hpt_action\n"));
2308 	KdPrint(("hpt_action(%lx,%lx{%x})\n", (u_long)sim, (u_long)ccb, ccb->ccb_h.func_code));
2309 
2310 	switch (ccb->ccb_h.func_code)
2311 	{
2312 		case XPT_SCSI_IO:	/* Execute the requested I/O operation */
2313 		{
2314 			/* ccb->ccb_h.path_id is not our bus id - don't check it */
2315 
2316 			if (ccb->ccb_h.target_lun)	{
2317 				ccb->ccb_h.status = CAM_LUN_INVALID;
2318 				xpt_done(ccb);
2319 				return;
2320 			}
2321 			if (ccb->ccb_h.target_id >= MAX_VDEVICE_PER_VBUS ||
2322 				pAdapter->VBus.pVDevice[ccb->ccb_h.target_id]==0) {
2323 				ccb->ccb_h.status = CAM_TID_INVALID;
2324 				xpt_done(ccb);
2325 				return;
2326 			}
2327 
2328 			oldspl = lock_driver();
2329 			if (pAdapter->outstandingCommands==0 && DPC_Request_Nums==0)
2330 				Check_Idle_Call(pAdapter);
2331 
2332 			pmap = dmamap_get(pAdapter);
2333 			HPT_ASSERT(pmap);
2334 			ccb->ccb_adapter = pmap;
2335 			memset((void *)pmap->psg, 0,  sizeof(pmap->psg));
2336 
2337 			if (mWaitingForIdle(_VBUS_P0))
2338 				hpt_queue_ccb(&pAdapter->pending_Q, ccb);
2339 			else
2340 				OsSendCommand(_VBUS_P ccb);
2341 			unlock_driver(oldspl);
2342 
2343 			/* KdPrint(("leave scsiio\n")); */
2344 			break;
2345 		}
2346 
2347 		case XPT_RESET_BUS:
2348 			KdPrint(("reset bus\n"));
2349 			oldspl = lock_driver();
2350 			fResetVBus(_VBUS_P0);
2351 			unlock_driver(oldspl);
2352 			xpt_done(ccb);
2353 			break;
2354 
2355 		case XPT_RESET_DEV:	/* Bus Device Reset the specified SCSI device */
2356 		case XPT_EN_LUN:		/* Enable LUN as a target */
2357 		case XPT_TARGET_IO:		/* Execute target I/O request */
2358 		case XPT_ACCEPT_TARGET_IO:	/* Accept Host Target Mode CDB */
2359 		case XPT_CONT_TARGET_IO:	/* Continue Host Target I/O Connection*/
2360 		case XPT_ABORT:			/* Abort the specified CCB */
2361 		case XPT_TERM_IO:		/* Terminate the I/O process */
2362 			/* XXX Implement */
2363 			ccb->ccb_h.status = CAM_REQ_INVALID;
2364 			xpt_done(ccb);
2365 			break;
2366 
2367 		case XPT_GET_TRAN_SETTINGS:
2368 		case XPT_SET_TRAN_SETTINGS:
2369 			/* XXX Implement */
2370 			ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
2371 			xpt_done(ccb);
2372 			break;
2373 
2374 		case XPT_CALC_GEOMETRY:
2375 #if __FreeBSD_version >= 500000
2376 			cam_calc_geometry(&ccb->ccg, 1);
2377 #else
2378 			{
2379 			struct	  ccb_calc_geometry *ccg;
2380 			u_int32_t size_mb;
2381 			u_int32_t secs_per_cylinder;
2382 
2383 			ccg = &ccb->ccg;
2384 			size_mb = ccg->volume_size / ((1024L * 1024L) / ccg->block_size);
2385 
2386 			if (size_mb > 1024 ) {
2387 				ccg->heads = 255;
2388 				ccg->secs_per_track = 63;
2389 			} else {
2390 				ccg->heads = 64;
2391 				ccg->secs_per_track = 32;
2392 			}
2393 			secs_per_cylinder = ccg->heads * ccg->secs_per_track;
2394 			ccg->cylinders = ccg->volume_size / secs_per_cylinder;
2395 			ccb->ccb_h.status = CAM_REQ_CMP;
2396 			}
2397 #endif
2398 			xpt_done(ccb);
2399 			break;
2400 
2401 		case XPT_PATH_INQ:		/* Path routing inquiry */
2402 		{
2403 			struct ccb_pathinq *cpi = &ccb->cpi;
2404 
2405 			cpi->version_num = 1; /* XXX??? */
2406 			cpi->hba_inquiry = PI_SDTR_ABLE;
2407 			cpi->target_sprt = 0;
2408 			/* Not necessary to reset bus */
2409 			cpi->hba_misc = PIM_NOBUSRESET;
2410 			cpi->hba_eng_cnt = 0;
2411 
2412 			cpi->max_target = MAX_VDEVICE_PER_VBUS;
2413 			cpi->max_lun = 0;
2414 			cpi->initiator_id = MAX_VDEVICE_PER_VBUS;
2415 
2416 			cpi->bus_id = cam_sim_bus(sim);
2417 			cpi->base_transfer_speed = 3300;
2418 			strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
2419 			strncpy(cpi->hba_vid, "HPT   ", HBA_IDLEN);
2420 			strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
2421 			cpi->unit_number = cam_sim_unit(sim);
2422 			cpi->transport = XPORT_SPI;
2423 			cpi->transport_version = 2;
2424 			cpi->protocol = PROTO_SCSI;
2425 			cpi->protocol_version = SCSI_REV_2;
2426 			cpi->ccb_h.status = CAM_REQ_CMP;
2427 			xpt_done(ccb);
2428 			break;
2429 		}
2430 
2431 		default:
2432 			KdPrint(("invalid cmd\n"));
2433 			ccb->ccb_h.status = CAM_REQ_INVALID;
2434 			xpt_done(ccb);
2435 			break;
2436 	}
2437 	/* KdPrint(("leave hpt_action..............\n")); */
2438 }
2439 
2440 /* shall be called at lock_driver() */
2441 static void
2442 hpt_queue_ccb(union ccb **ccb_Q, union ccb *ccb)
2443 {
2444 	if(*ccb_Q == NULL)
2445 		ccb->ccb_h.ccb_ccb_ptr = ccb;
2446 	else {
2447 		ccb->ccb_h.ccb_ccb_ptr = (*ccb_Q)->ccb_h.ccb_ccb_ptr;
2448 		(*ccb_Q)->ccb_h.ccb_ccb_ptr = (char *)ccb;
2449 	}
2450 
2451 	*ccb_Q = ccb;
2452 }
2453 
2454 /* shall be called at lock_driver() */
2455 static void
2456 hpt_free_ccb(union ccb **ccb_Q, union ccb *ccb)
2457 {
2458 	union ccb *TempCCB;
2459 
2460 	TempCCB = *ccb_Q;
2461 
2462 	if(ccb->ccb_h.ccb_ccb_ptr == ccb) /*it means SCpnt is the last one in CURRCMDs*/
2463 		*ccb_Q = NULL;
2464 	else {
2465 		while(TempCCB->ccb_h.ccb_ccb_ptr != (char *)ccb)
2466 			TempCCB = (union ccb *)TempCCB->ccb_h.ccb_ccb_ptr;
2467 
2468 		TempCCB->ccb_h.ccb_ccb_ptr = ccb->ccb_h.ccb_ccb_ptr;
2469 
2470 		if(*ccb_Q == ccb)
2471 			*ccb_Q = TempCCB;
2472 	}
2473 }
2474 
2475 #ifdef SUPPORT_ARRAY
2476 /***************************************************************************
2477  * Function:     hpt_worker_thread
2478  * Description:  Do background rebuilding. Execute in kernel thread context.
2479  * Returns:      None
2480  ***************************************************************************/
2481 static void hpt_worker_thread(void)
2482 {
2483 	intrmask_t oldspl;
2484 
2485 	for(;;)	{
2486 		while (DpcQueue_First!=DpcQueue_Last) {
2487 			ST_HPT_DPC p;
2488 			oldspl = lock_driver();
2489 			p = DpcQueue[DpcQueue_First];
2490 			DpcQueue_First++;
2491 			DpcQueue_First %= MAX_DPC;
2492 			DPC_Request_Nums++;
2493 			unlock_driver(oldspl);
2494 			p.dpc(p.pAdapter, p.arg, p.flags);
2495 
2496 			oldspl = lock_driver();
2497 			DPC_Request_Nums--;
2498 			/* since we may have prevented Check_Idle_Call, do it here */
2499 			if (DPC_Request_Nums==0) {
2500 				if (p.pAdapter->outstandingCommands == 0) {
2501 					_VBUS_INST(&p.pAdapter->VBus);
2502 					Check_Idle_Call(p.pAdapter);
2503 					CheckPendingCall(_VBUS_P0);
2504 				}
2505 			}
2506 			unlock_driver(oldspl);
2507 
2508 			/*Schedule out*/
2509 #if (__FreeBSD_version < 500000)
2510 			YIELD_THREAD;
2511 #else
2512 #if (__FreeBSD_version > 700033)
2513 			pause("sched", 1);
2514 #else
2515 			tsleep((caddr_t)hpt_worker_thread, PPAUSE, "sched", 1);
2516 #endif
2517 #endif
2518 			if (SIGISMEMBER(curproc->p_siglist, SIGSTOP)) {
2519 				/* abort rebuilding process. */
2520 				IAL_ADAPTER_T *pAdapter;
2521 				PVDevice      pArray;
2522 				PVBus         _vbus_p;
2523 				int i;
2524 				pAdapter = gIal_Adapter;
2525 
2526 				while(pAdapter != 0){
2527 
2528 					_vbus_p = &pAdapter->VBus;
2529 
2530 					for (i=0;i<MAX_ARRAY_PER_VBUS;i++)
2531 					{
2532 						if ((pArray=ArrayTables(i))->u.array.dArStamp==0)
2533 							continue;
2534 						else if (pArray->u.array.rf_rebuilding ||
2535 								pArray->u.array.rf_verifying ||
2536 								pArray->u.array.rf_initializing)
2537 							{
2538 								pArray->u.array.rf_abort_rebuild = 1;
2539 							}
2540 					}
2541 					pAdapter = pAdapter->next;
2542 				}
2543 			}
2544 		}
2545 
2546 /*Remove this debug option*/
2547 /*
2548 #ifdef DEBUG
2549 		if (SIGISMEMBER(curproc->p_siglist, SIGSTOP))
2550 #if (__FreeBSD_version > 700033)
2551 			pause("hptrdy", 2*hz);
2552 #else
2553 			tsleep((caddr_t)hpt_worker_thread, PPAUSE, "hptrdy", 2*hz);
2554 #endif
2555 #endif
2556 */
2557 	#if (__FreeBSD_version >= 800002)
2558 		kproc_suspend_check(curproc);
2559 	#elif (__FreeBSD_version >= 500043)
2560 		kthread_suspend_check(curproc);
2561 	#else
2562 		kproc_suspend_loop(curproc);
2563 	#endif
2564 #if (__FreeBSD_version > 700033)
2565 		pause("hptrdy", 2*hz);  /* wait for something to do */
2566 #else
2567 		tsleep((caddr_t)hpt_worker_thread, PPAUSE, "hptrdy", 2*hz);  /* wait for something to do */
2568 #endif
2569 	}
2570 }
2571 
2572 static struct proc *hptdaemonproc;
2573 static struct kproc_desc hpt_kp = {
2574 	"hpt_wt",
2575 	hpt_worker_thread,
2576 	&hptdaemonproc
2577 };
2578 
2579 /*Start this thread in the hpt_attach, to prevent kernel from loading it without our controller.*/
2580 static void
2581 launch_worker_thread(void)
2582 {
2583 	IAL_ADAPTER_T *pAdapTemp;
2584 
2585 	kproc_start(&hpt_kp);
2586 
2587 	for (pAdapTemp = gIal_Adapter; pAdapTemp; pAdapTemp = pAdapTemp->next) {
2588 
2589 		_VBUS_INST(&pAdapTemp->VBus)
2590 		int i;
2591 		PVDevice pVDev;
2592 
2593 		for(i = 0; i < MAX_ARRAY_PER_VBUS; i++)
2594 			if ((pVDev=ArrayTables(i))->u.array.dArStamp==0)
2595 				continue;
2596 			else{
2597 				if (pVDev->u.array.rf_need_rebuild && !pVDev->u.array.rf_rebuilding)
2598 					hpt_queue_dpc((HPT_DPC)hpt_rebuild_data_block, pAdapTemp, pVDev,
2599 					(UCHAR)((pVDev->u.array.CriticalMembers || pVDev->VDeviceType == VD_RAID_1)? DUPLICATE : REBUILD_PARITY));
2600 			}
2601 	}
2602 
2603 	/*
2604 	 * hpt_worker_thread needs to be suspended after shutdown sync, when fs sync finished.
2605 	 */
2606 #if (__FreeBSD_version < 500043)
2607 	EVENTHANDLER_REGISTER(shutdown_post_sync, shutdown_kproc, hptdaemonproc, SHUTDOWN_PRI_FIRST);
2608 #else
2609 	EVENTHANDLER_REGISTER(shutdown_post_sync, kproc_shutdown, hptdaemonproc, SHUTDOWN_PRI_FIRST);
2610 #endif
2611 }
2612 /*
2613  *SYSINIT(hptwt, SI_SUB_KTHREAD_IDLE, SI_ORDER_FIRST, launch_worker_thread, NULL);
2614 */
2615 
2616 #endif
2617 
2618 /********************************************************************************/
2619 
2620 int HPTLIBAPI fOsBuildSgl(_VBUS_ARG PCommand pCmd, FPSCAT_GATH pSg, int logical)
2621 {
2622 	union ccb *ccb = (union ccb *)pCmd->pOrgCommand;
2623 	bus_dma_segment_t *sgList = (bus_dma_segment_t *)ccb->csio.data_ptr;
2624 	int idx;
2625 
2626 	if(logical) {
2627 		if (ccb->ccb_h.flags & CAM_DATA_PHYS)
2628 			panic("physical address unsupported");
2629 
2630 		if (ccb->ccb_h.flags & CAM_SCATTER_VALID) {
2631 			if (ccb->ccb_h.flags & CAM_SG_LIST_PHYS)
2632 				panic("physical address unsupported");
2633 
2634 			for (idx = 0; idx < ccb->csio.sglist_cnt; idx++) {
2635 				pSg[idx].dSgAddress = (ULONG_PTR)(UCHAR *)sgList[idx].ds_addr;
2636 				pSg[idx].wSgSize = sgList[idx].ds_len;
2637 				pSg[idx].wSgFlag = (idx==ccb->csio.sglist_cnt-1)? SG_FLAG_EOT : 0;
2638 			}
2639 		}
2640 		else {
2641 			pSg->dSgAddress = (ULONG_PTR)(UCHAR *)ccb->csio.data_ptr;
2642 			pSg->wSgSize = ccb->csio.dxfer_len;
2643 			pSg->wSgFlag = SG_FLAG_EOT;
2644 		}
2645 		return TRUE;
2646 	}
2647 
2648 	/* since we have provided physical sg, nobody will ask us to build physical sg */
2649 	HPT_ASSERT(0);
2650 	return FALSE;
2651 }
2652 
2653 /*******************************************************************************/
2654 ULONG HPTLIBAPI
2655 GetStamp(void)
2656 {
2657 	/*
2658 	 * the system variable, ticks, can't be used since it hasn't yet been active
2659 	 * when our driver starts (ticks==0, it's a invalid stamp value)
2660 	 */
2661 	ULONG stamp;
2662 	do { stamp = random(); } while (stamp==0);
2663 	return stamp;
2664 }
2665 
2666 
2667 static void
2668 SetInquiryData(PINQUIRYDATA inquiryData, PVDevice pVDev)
2669 {
2670 	int i;
2671 	IDENTIFY_DATA2 *pIdentify = (IDENTIFY_DATA2*)pVDev->u.disk.mv->identifyDevice;
2672 
2673 	inquiryData->DeviceType = T_DIRECT; /*DIRECT_ACCESS_DEVICE*/
2674 	inquiryData->AdditionalLength = (UCHAR)(sizeof(INQUIRYDATA) - 5);
2675 #ifndef SERIAL_CMDS
2676 	inquiryData->CommandQueue = 1;
2677 #endif
2678 
2679 	switch(pVDev->VDeviceType) {
2680 	case VD_SINGLE_DISK:
2681 	case VD_ATAPI:
2682 	case VD_REMOVABLE:
2683 		/* Set the removable bit, if applicable. */
2684 		if ((pVDev->u.disk.df_removable_drive) || (pIdentify->GeneralConfiguration & 0x80))
2685 			inquiryData->RemovableMedia = 1;
2686 
2687 		/* Fill in vendor identification fields. */
2688 		for (i = 0; i < 20; i += 2) {
2689 			inquiryData->VendorId[i] 	= ((PUCHAR)pIdentify->ModelNumber)[i + 1];
2690 			inquiryData->VendorId[i+1] 	= ((PUCHAR)pIdentify->ModelNumber)[i];
2691 
2692 		}
2693 
2694 		/* Initialize unused portion of product id. */
2695 		for (i = 0; i < 4; i++) inquiryData->ProductId[12+i] = ' ';
2696 
2697 		/* firmware revision */
2698 		for (i = 0; i < 4; i += 2)
2699 		{
2700 			inquiryData->ProductRevisionLevel[i] 	= ((PUCHAR)pIdentify->FirmwareRevision)[i+1];
2701 			inquiryData->ProductRevisionLevel[i+1] 	= ((PUCHAR)pIdentify->FirmwareRevision)[i];
2702 		}
2703 		break;
2704 	default:
2705 		memcpy(&inquiryData->VendorId, "RR18xx  ", 8);
2706 #ifdef SUPPORT_ARRAY
2707 		switch(pVDev->VDeviceType){
2708 		case VD_RAID_0:
2709 			if ((pVDev->u.array.pMember[0] && mIsArray(pVDev->u.array.pMember[0])) ||
2710 				(pVDev->u.array.pMember[1] && mIsArray(pVDev->u.array.pMember[1])))
2711 				memcpy(&inquiryData->ProductId, "RAID 1/0 Array  ", 16);
2712 			else
2713 				memcpy(&inquiryData->ProductId, "RAID 0 Array    ", 16);
2714 			break;
2715 		case VD_RAID_1:
2716 			if ((pVDev->u.array.pMember[0] && mIsArray(pVDev->u.array.pMember[0])) ||
2717 				(pVDev->u.array.pMember[1] && mIsArray(pVDev->u.array.pMember[1])))
2718 				memcpy(&inquiryData->ProductId, "RAID 0/1 Array  ", 16);
2719 			else
2720 				memcpy(&inquiryData->ProductId, "RAID 1 Array    ", 16);
2721 			break;
2722 		case VD_RAID_5:
2723 			memcpy(&inquiryData->ProductId, "RAID 5 Array    ", 16);
2724 			break;
2725 		case VD_JBOD:
2726 			memcpy(&inquiryData->ProductId, "JBOD Array      ", 16);
2727 			break;
2728 		}
2729 #endif
2730 		memcpy(&inquiryData->ProductRevisionLevel, "3.00", 4);
2731 		break;
2732 	}
2733 }
2734 
2735 static void
2736 hpt_timeout(void *arg)
2737 {
2738 	_VBUS_INST(&((PBUS_DMAMAP)((union ccb *)arg)->ccb_adapter)->pAdapter->VBus)
2739 	intrmask_t oldspl = lock_driver();
2740 	fResetVBus(_VBUS_P0);
2741 	unlock_driver(oldspl);
2742 }
2743 
2744 static void
2745 hpt_io_dmamap_callback(void *arg, bus_dma_segment_t *segs, int nsegs, int error)
2746 {
2747 	PCommand pCmd = (PCommand)arg;
2748 	union ccb *ccb = pCmd->pOrgCommand;
2749 	struct ccb_hdr *ccb_h = &ccb->ccb_h;
2750 	PBUS_DMAMAP pmap = (PBUS_DMAMAP) ccb->ccb_adapter;
2751 	IAL_ADAPTER_T *pAdapter = pmap->pAdapter;
2752 	PVDevice	pVDev = pAdapter->VBus.pVDevice[ccb_h->target_id];
2753 	FPSCAT_GATH psg = pCmd->pSgTable;
2754 	int idx;
2755 	_VBUS_INST(pVDev->pVBus)
2756 
2757 	HPT_ASSERT(pCmd->cf_physical_sg);
2758 
2759 	if (error || nsegs == 0)
2760 		panic("busdma error");
2761 
2762 	HPT_ASSERT(nsegs<= MAX_SG_DESCRIPTORS);
2763 
2764 	for (idx = 0; idx < nsegs; idx++, psg++) {
2765 		psg->dSgAddress = (ULONG_PTR)(UCHAR *)segs[idx].ds_addr;
2766 		psg->wSgSize = segs[idx].ds_len;
2767 		psg->wSgFlag = (idx == nsegs-1)? SG_FLAG_EOT: 0;
2768 /*		KdPrint(("psg[%d]:add=%p,size=%x,flag=%x\n", idx, psg->dSgAddress,psg->wSgSize,psg->wSgFlag)); */
2769 	}
2770 /*	psg[-1].wSgFlag = SG_FLAG_EOT; */
2771 
2772 	if (pCmd->cf_data_in) {
2773 		bus_dmamap_sync(pAdapter->io_dma_parent, pmap->dma_map, BUS_DMASYNC_PREREAD);
2774 	}
2775 	else if (pCmd->cf_data_out) {
2776 		bus_dmamap_sync(pAdapter->io_dma_parent, pmap->dma_map, BUS_DMASYNC_PREWRITE);
2777 	}
2778 
2779 	ccb->ccb_h.timeout_ch = timeout(hpt_timeout, (caddr_t)ccb, 20*hz);
2780 	pVDev->pfnSendCommand(_VBUS_P pCmd);
2781 	CheckPendingCall(_VBUS_P0);
2782 }
2783 
2784 
2785 
2786 static void HPTLIBAPI
2787 OsSendCommand(_VBUS_ARG union ccb *ccb)
2788 {
2789 	PBUS_DMAMAP pmap = (PBUS_DMAMAP)ccb->ccb_adapter;
2790 	IAL_ADAPTER_T *pAdapter = pmap->pAdapter;
2791 	struct ccb_hdr *ccb_h = &ccb->ccb_h;
2792 	struct ccb_scsiio *csio = &ccb->csio;
2793 	PVDevice	pVDev = pAdapter->VBus.pVDevice[ccb_h->target_id];
2794 
2795 	KdPrintI(("OsSendCommand: ccb %p  cdb %x-%x-%x\n",
2796 		ccb,
2797 		*(ULONG *)&ccb->csio.cdb_io.cdb_bytes[0],
2798 		*(ULONG *)&ccb->csio.cdb_io.cdb_bytes[4],
2799 		*(ULONG *)&ccb->csio.cdb_io.cdb_bytes[8]
2800 	));
2801 
2802 	pAdapter->outstandingCommands++;
2803 
2804 	if (pVDev == NULL || pVDev->vf_online == 0) {
2805 		ccb->ccb_h.status = CAM_REQ_INVALID;
2806 		ccb_done(ccb);
2807 		goto Command_Complished;
2808 	}
2809 
2810 	switch(ccb->csio.cdb_io.cdb_bytes[0])
2811 	{
2812 		case TEST_UNIT_READY:
2813 		case START_STOP_UNIT:
2814 		case SYNCHRONIZE_CACHE:
2815 			/* FALLTHROUGH */
2816 			ccb->ccb_h.status = CAM_REQ_CMP;
2817 			break;
2818 
2819 		case INQUIRY:
2820 			ZeroMemory(ccb->csio.data_ptr, ccb->csio.dxfer_len);
2821 			SetInquiryData((PINQUIRYDATA)ccb->csio.data_ptr, pVDev);
2822 			ccb_h->status = CAM_REQ_CMP;
2823 			break;
2824 
2825 		case READ_CAPACITY:
2826 		{
2827 			UCHAR *rbuf=csio->data_ptr;
2828 			unsigned int cap;
2829 
2830 			if (pVDev->VDeviceCapacity > 0xfffffffful) {
2831 				cap = 0xfffffffful;
2832 			} else {
2833 				cap = pVDev->VDeviceCapacity - 1;
2834 			}
2835 
2836 			rbuf[0] = (UCHAR)(cap>>24);
2837 			rbuf[1] = (UCHAR)(cap>>16);
2838 			rbuf[2] = (UCHAR)(cap>>8);
2839 			rbuf[3] = (UCHAR)cap;
2840 			/* Claim 512 byte blocks (big-endian). */
2841 			rbuf[4] = 0;
2842 			rbuf[5] = 0;
2843 			rbuf[6] = 2;
2844 			rbuf[7] = 0;
2845 
2846 			ccb_h->status = CAM_REQ_CMP;
2847 			break;
2848 		}
2849 
2850 		case 0x9e: /*SERVICE_ACTION_IN*/
2851 		{
2852 			UCHAR *rbuf = csio->data_ptr;
2853 			LBA_T cap = pVDev->VDeviceCapacity - 1;
2854 
2855 			rbuf[0] = (UCHAR)(cap>>56);
2856 			rbuf[1] = (UCHAR)(cap>>48);
2857 			rbuf[2] = (UCHAR)(cap>>40);
2858 			rbuf[3] = (UCHAR)(cap>>32);
2859 			rbuf[4] = (UCHAR)(cap>>24);
2860 			rbuf[5] = (UCHAR)(cap>>16);
2861 			rbuf[6] = (UCHAR)(cap>>8);
2862 			rbuf[7] = (UCHAR)cap;
2863 			rbuf[8] = 0;
2864 			rbuf[9] = 0;
2865 			rbuf[10] = 2;
2866 			rbuf[11] = 0;
2867 
2868 			ccb_h->status = CAM_REQ_CMP;
2869 			break;
2870 		}
2871 
2872 		case READ_6:
2873 		case WRITE_6:
2874 		case READ_10:
2875 		case WRITE_10:
2876 		case 0x88: /* READ_16 */
2877 		case 0x8a: /* WRITE_16 */
2878 		case 0x13:
2879 		case 0x2f:
2880 		{
2881 			UCHAR Cdb[16];
2882 			UCHAR CdbLength;
2883 			_VBUS_INST(pVDev->pVBus)
2884 			PCommand pCmd = AllocateCommand(_VBUS_P0);
2885 			HPT_ASSERT(pCmd);
2886 
2887 			CdbLength = csio->cdb_len;
2888 			if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0)
2889 			{
2890 				if ((ccb->ccb_h.flags & CAM_CDB_PHYS) == 0)
2891 				{
2892 					bcopy(csio->cdb_io.cdb_ptr, Cdb, CdbLength);
2893 				}
2894 				else
2895 				{
2896 					KdPrintE(("ERROR!!!\n"));
2897 					ccb->ccb_h.status = CAM_REQ_INVALID;
2898 					break;
2899 				}
2900 			}
2901 			else
2902 			{
2903 				bcopy(csio->cdb_io.cdb_bytes, Cdb, CdbLength);
2904 			}
2905 
2906 			pCmd->pOrgCommand = ccb;
2907 			pCmd->pVDevice = pVDev;
2908 			pCmd->pfnCompletion = fOsCommandDone;
2909 			pCmd->pfnBuildSgl = fOsBuildSgl;
2910 			pCmd->pSgTable = pmap->psg;
2911 
2912 			switch (Cdb[0])
2913 			{
2914 				case READ_6:
2915 				case WRITE_6:
2916 				case 0x13:
2917 					pCmd->uCmd.Ide.Lba =  ((ULONG)Cdb[1] << 16) | ((ULONG)Cdb[2] << 8) | (ULONG)Cdb[3];
2918 					pCmd->uCmd.Ide.nSectors = (USHORT) Cdb[4];
2919 					break;
2920 
2921 				case 0x88: /* READ_16 */
2922 				case 0x8a: /* WRITE_16 */
2923 					pCmd->uCmd.Ide.Lba =
2924 						(HPT_U64)Cdb[2] << 56 |
2925 						(HPT_U64)Cdb[3] << 48 |
2926 						(HPT_U64)Cdb[4] << 40 |
2927 						(HPT_U64)Cdb[5] << 32 |
2928 						(HPT_U64)Cdb[6] << 24 |
2929 						(HPT_U64)Cdb[7] << 16 |
2930 						(HPT_U64)Cdb[8] << 8 |
2931 						(HPT_U64)Cdb[9];
2932 					pCmd->uCmd.Ide.nSectors = (USHORT)Cdb[12] << 8 | (USHORT)Cdb[13];
2933 					break;
2934 
2935 				default:
2936 					pCmd->uCmd.Ide.Lba = (ULONG)Cdb[5] | ((ULONG)Cdb[4] << 8) | ((ULONG)Cdb[3] << 16) | ((ULONG)Cdb[2] << 24);
2937 					pCmd->uCmd.Ide.nSectors = (USHORT) Cdb[8] | ((USHORT)Cdb[7]<<8);
2938 					break;
2939 			}
2940 
2941 			switch (Cdb[0])
2942 			{
2943 				case READ_6:
2944 				case READ_10:
2945 				case 0x88: /* READ_16 */
2946 					pCmd->uCmd.Ide.Command = IDE_COMMAND_READ;
2947 					pCmd->cf_data_in = 1;
2948 					break;
2949 
2950 				case WRITE_6:
2951 				case WRITE_10:
2952 				case 0x8a: /* WRITE_16 */
2953 					pCmd->uCmd.Ide.Command = IDE_COMMAND_WRITE;
2954 					pCmd->cf_data_out = 1;
2955 					break;
2956 				case 0x13:
2957 				case 0x2f:
2958 					pCmd->uCmd.Ide.Command = IDE_COMMAND_VERIFY;
2959 					break;
2960 			}
2961 /*///////////////////////// */
2962 			if (ccb->ccb_h.flags & CAM_SCATTER_VALID) {
2963 				int idx;
2964 				bus_dma_segment_t *sgList = (bus_dma_segment_t *)ccb->csio.data_ptr;
2965 
2966 				if (ccb->ccb_h.flags & CAM_SG_LIST_PHYS)
2967 					pCmd->cf_physical_sg = 1;
2968 
2969 				for (idx = 0; idx < ccb->csio.sglist_cnt; idx++) {
2970 					pCmd->pSgTable[idx].dSgAddress = (ULONG_PTR)(UCHAR *)sgList[idx].ds_addr;
2971 					pCmd->pSgTable[idx].wSgSize = sgList[idx].ds_len;
2972 					pCmd->pSgTable[idx].wSgFlag= (idx==ccb->csio.sglist_cnt-1)?SG_FLAG_EOT: 0;
2973 				}
2974 
2975 				ccb->ccb_h.timeout_ch = timeout(hpt_timeout, (caddr_t)ccb, 20*hz);
2976 				pVDev->pfnSendCommand(_VBUS_P pCmd);
2977 			}
2978 			else {
2979 				int error;
2980 				pCmd->cf_physical_sg = 1;
2981 				error = bus_dmamap_load(pAdapter->io_dma_parent,
2982 							pmap->dma_map,
2983 							ccb->csio.data_ptr, ccb->csio.dxfer_len,
2984 							hpt_io_dmamap_callback, pCmd,
2985 					    		BUS_DMA_WAITOK
2986 						);
2987 				KdPrint(("bus_dmamap_load return %d\n", error));
2988 				if (error && error!=EINPROGRESS) {
2989 					hpt_printk(("bus_dmamap_load error %d\n", error));
2990 					FreeCommand(_VBUS_P pCmd);
2991 					ccb->ccb_h.status = CAM_REQ_CMP_ERR;
2992 					dmamap_put(pmap);
2993 					pAdapter->outstandingCommands--;
2994 					xpt_done(ccb);
2995 				}
2996 			}
2997 			goto Command_Complished;
2998 		}
2999 
3000 		default:
3001 			ccb->ccb_h.status = CAM_REQ_INVALID;
3002 			break;
3003 	}
3004 	ccb_done(ccb);
3005 Command_Complished:
3006 	CheckPendingCall(_VBUS_P0);
3007 	return;
3008 }
3009 
3010 static void HPTLIBAPI
3011 fOsCommandDone(_VBUS_ARG PCommand pCmd)
3012 {
3013 	union ccb *ccb = pCmd->pOrgCommand;
3014 	PBUS_DMAMAP pmap = (PBUS_DMAMAP)ccb->ccb_adapter;
3015 	IAL_ADAPTER_T *pAdapter = pmap->pAdapter;
3016 
3017 	KdPrint(("fOsCommandDone(pcmd=%p, result=%d)\n", pCmd, pCmd->Result));
3018 
3019 	untimeout(hpt_timeout, (caddr_t)ccb, ccb->ccb_h.timeout_ch);
3020 
3021 	switch(pCmd->Result) {
3022 	case RETURN_SUCCESS:
3023 		ccb->ccb_h.status = CAM_REQ_CMP;
3024 		break;
3025 	case RETURN_BAD_DEVICE:
3026 		ccb->ccb_h.status = CAM_DEV_NOT_THERE;
3027 		break;
3028 	case RETURN_DEVICE_BUSY:
3029 		ccb->ccb_h.status = CAM_BUSY;
3030 		break;
3031 	case RETURN_INVALID_REQUEST:
3032 		ccb->ccb_h.status = CAM_REQ_INVALID;
3033 		break;
3034 	case RETURN_SELECTION_TIMEOUT:
3035 		ccb->ccb_h.status = CAM_SEL_TIMEOUT;
3036 		break;
3037 	case RETURN_RETRY:
3038 		ccb->ccb_h.status = CAM_BUSY;
3039 		break;
3040 	default:
3041 		ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR;
3042 		break;
3043 	}
3044 
3045 	if (pCmd->cf_data_in) {
3046 		bus_dmamap_sync(pAdapter->io_dma_parent, pmap->dma_map, BUS_DMASYNC_POSTREAD);
3047 	}
3048 	else if (pCmd->cf_data_in) {
3049 		bus_dmamap_sync(pAdapter->io_dma_parent, pmap->dma_map, BUS_DMASYNC_POSTWRITE);
3050 	}
3051 
3052 	bus_dmamap_unload(pAdapter->io_dma_parent, pmap->dma_map);
3053 
3054 	FreeCommand(_VBUS_P pCmd);
3055 	ccb_done(ccb);
3056 }
3057 
3058 int
3059 hpt_queue_dpc(HPT_DPC dpc, IAL_ADAPTER_T * pAdapter, void *arg, UCHAR flags)
3060 {
3061 	int p;
3062 
3063 	p = (DpcQueue_Last + 1) % MAX_DPC;
3064 	if (p==DpcQueue_First) {
3065 		KdPrint(("DPC Queue full!\n"));
3066 		return -1;
3067 	}
3068 
3069 	DpcQueue[DpcQueue_Last].dpc = dpc;
3070 	DpcQueue[DpcQueue_Last].pAdapter = pAdapter;
3071 	DpcQueue[DpcQueue_Last].arg = arg;
3072 	DpcQueue[DpcQueue_Last].flags = flags;
3073 	DpcQueue_Last = p;
3074 
3075 	return 0;
3076 }
3077 
3078 #ifdef _RAID5N_
3079 /*
3080  * Allocate memory above 16M, otherwise we may eat all low memory for ISA devices.
3081  * How about the memory for 5081 request/response array and PRD table?
3082  */
3083 void
3084 *os_alloc_page(_VBUS_ARG0)
3085 {
3086 	return (void *)contigmalloc(0x1000, M_DEVBUF, M_NOWAIT, 0x1000000, 0xffffffff, PAGE_SIZE, 0ul);
3087 }
3088 
3089 void
3090 *os_alloc_dma_page(_VBUS_ARG0)
3091 {
3092 	return (void *)contigmalloc(0x1000, M_DEVBUF, M_NOWAIT, 0x1000000, 0xffffffff, PAGE_SIZE, 0ul);
3093 }
3094 
3095 void
3096 os_free_page(_VBUS_ARG void *p)
3097 {
3098 	contigfree(p, 0x1000, M_DEVBUF);
3099 }
3100 
3101 void
3102 os_free_dma_page(_VBUS_ARG void *p)
3103 {
3104 	contigfree(p, 0x1000, M_DEVBUF);
3105 }
3106 
3107 void
3108 DoXor1(ULONG *p0, ULONG *p1, ULONG *p2, UINT nBytes)
3109 {
3110 	UINT i;
3111 	for (i = 0; i < nBytes / 4; i++) *p0++ = *p1++ ^ *p2++;
3112 }
3113 
3114 void
3115 DoXor2(ULONG *p0, ULONG *p2, UINT nBytes)
3116 {
3117 	UINT i;
3118 	for (i = 0; i < nBytes / 4; i++) *p0++ ^= *p2++;
3119 }
3120 #endif
3121