xref: /dragonfly/sys/dev/raid/hptmv/entry.c (revision ed183f8c)
1 /*
2  * Copyright (c) 2004-2005 HighPoint Technologies, Inc.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  *
26  * $FreeBSD: src/sys/dev/hptmv/entry.c,v 1.26 2012/06/01 04:34:49 eadler Exp $
27  */
28 
29 #include <sys/param.h>
30 #include <sys/systm.h>
31 #include <sys/kernel.h>
32 #include <sys/bus.h>
33 #include <sys/malloc.h>
34 #include <sys/resource.h>
35 #include <sys/time.h>
36 #include <sys/callout.h>
37 #include <sys/signalvar.h>
38 #include <sys/eventhandler.h>
39 #include <sys/proc.h>
40 #include <sys/kthread.h>
41 
42 #include <sys/lock.h>
43 #include <sys/module.h>
44 
45 #include <bus/pci/pcireg.h>
46 #include <bus/pci/pcivar.h>
47 #include <bus/cam/cam.h>
48 #include <bus/cam/cam_ccb.h>
49 #include <bus/cam/cam_xpt.h>
50 #include <bus/cam/cam_xpt_periph.h>
51 
52 #ifndef __KERNEL__
53 #define __KERNEL__
54 #endif
55 
56 #include <dev/raid/hptmv/global.h>
57 #include <dev/raid/hptmv/hptintf.h>
58 #include <dev/raid/hptmv/osbsd.h>
59 #include <dev/raid/hptmv/access601.h>
60 
61 
62 #ifdef DEBUG
63 #ifdef DEBUG_LEVEL
64 int hpt_dbg_level = DEBUG_LEVEL;
65 #else
66 int hpt_dbg_level = 0;
67 #endif
68 #endif
69 
70 #define MV_ERROR kprintf
71 
72 /*
73  * CAM SIM entry points
74  */
75 static int 	hpt_probe (device_t dev);
76 static void launch_worker_thread(void);
77 static int 	hpt_attach(device_t dev);
78 static int 	hpt_detach(device_t dev);
79 static int 	hpt_shutdown(device_t dev);
80 static void hpt_poll(struct cam_sim *sim);
81 static void hpt_intr(void *arg);
82 static void hpt_async(void *callback_arg, u_int32_t code, struct cam_path *path, void *arg);
83 static void hpt_action(struct cam_sim *sim, union ccb *ccb);
84 
85 static struct thread *hptdaemonproc;
86 
87 static device_method_t driver_methods[] = {
88 	/* Device interface */
89 	DEVMETHOD(device_probe,		hpt_probe),
90 	DEVMETHOD(device_attach,	hpt_attach),
91 	DEVMETHOD(device_detach,	hpt_detach),
92 
93 	DEVMETHOD(device_shutdown,	hpt_shutdown),
94 	DEVMETHOD_END
95 };
96 
97 static driver_t hpt_pci_driver = {
98 	__str(PROC_DIR_NAME),
99 	driver_methods,
100 	sizeof(IAL_ADAPTER_T)
101 };
102 
103 static devclass_t	hpt_devclass;
104 
105 #define __DRIVER_MODULE(p1, p2, p3, p4, p5, p6) DRIVER_MODULE(p1, p2, p3, p4, p5, p6)
106 __DRIVER_MODULE(PROC_DIR_NAME, pci, hpt_pci_driver, hpt_devclass, NULL, NULL);
107 MODULE_DEPEND(PROC_DIR_NAME, cam, 1, 1, 1);
108 
109 #define ccb_ccb_ptr spriv_ptr0
110 #define ccb_adapter ccb_h.spriv_ptr1
111 
112 static void SetInquiryData(PINQUIRYDATA inquiryData, PVDevice pVDev);
113 static void HPTLIBAPI OsSendCommand (_VBUS_ARG union ccb * ccb);
114 static void HPTLIBAPI fOsCommandDone(_VBUS_ARG PCommand pCmd);
115 static void ccb_done(union ccb *ccb);
116 static void hpt_queue_ccb(union ccb **ccb_Q, union ccb *ccb);
117 static void hpt_free_ccb(union ccb **ccb_Q, union ccb *ccb);
118 static void	hptmv_free_edma_queues(IAL_ADAPTER_T *pAdapter);
119 static void	hptmv_free_channel(IAL_ADAPTER_T *pAdapter, MV_U8 channelNum);
120 static void	handleEdmaError(_VBUS_ARG PCommand pCmd);
121 static int	hptmv_init_channel(IAL_ADAPTER_T *pAdapter, MV_U8 channelNum);
122 static int	fResetActiveCommands(PVBus _vbus_p);
123 static void	fRegisterVdevice(IAL_ADAPTER_T *pAdapter);
124 static int	hptmv_allocate_edma_queues(IAL_ADAPTER_T *pAdapter);
125 static void	hptmv_handle_event_disconnect(void *data);
126 static void	hptmv_handle_event_connect(void *data);
127 static int	start_channel(IAL_ADAPTER_T *pAdapter, MV_U8 channelNum);
128 static void	init_vdev_params(IAL_ADAPTER_T *pAdapter, MV_U8 channel);
129 static int	hptmv_parse_identify_results(MV_SATA_CHANNEL *pMvSataChannel);
130 static int HPTLIBAPI fOsBuildSgl(_VBUS_ARG PCommand pCmd, FPSCAT_GATH pSg,
131     int logical);
132 static MV_BOOLEAN CommandCompletionCB(MV_SATA_ADAPTER *pMvSataAdapter,
133     MV_U8 channelNum, MV_COMPLETION_TYPE comp_type, MV_VOID_PTR commandId,
134     MV_U16 responseFlags, MV_U32 timeStamp,
135     MV_STORAGE_DEVICE_REGISTERS *registerStruct);
136 static MV_BOOLEAN hptmv_event_notify(MV_SATA_ADAPTER *pMvSataAdapter,
137     MV_EVENT_TYPE eventType, MV_U32 param1, MV_U32 param2);
138 
139 #define ccb_ccb_ptr spriv_ptr0
140 #define ccb_adapter ccb_h.spriv_ptr1
141 
142 IAL_ADAPTER_T *gIal_Adapter = NULL;
143 IAL_ADAPTER_T *pCurAdapter = NULL;
144 static MV_SATA_CHANNEL gMvSataChannels[MAX_VBUS][MV_SATA_CHANNELS_NUM];
145 
146 typedef struct st_HPT_DPC {
147 	IAL_ADAPTER_T *pAdapter;
148 	void (*dpc)(IAL_ADAPTER_T *, void *, UCHAR);
149 	void *arg;
150 	UCHAR flags;
151 } ST_HPT_DPC;
152 
153 #define MAX_DPC 16
154 UCHAR DPC_Request_Nums = 0;
155 static ST_HPT_DPC DpcQueue[MAX_DPC];
156 static int DpcQueue_First=0;
157 static int DpcQueue_Last = 0;
158 
159 char DRIVER_VERSION[] = "v1.16";
160 
161 static struct lock driver_lock;
162 void lock_driver(void)
163 {
164 	lockmgr(&driver_lock, LK_EXCLUSIVE);
165 }
166 void unlock_driver(void)
167 {
168 	lockmgr(&driver_lock, LK_RELEASE);
169 }
170 
171 /*******************************************************************************
172  *	Name:	hptmv_free_channel
173  *
174  *	Description:	free allocated queues for the given channel
175  *
176  *	Parameters:    	pMvSataAdapter - pointer to the RR18xx controler this
177  * 					channel connected to.
178  *			channelNum - channel number.
179  *
180  ******************************************************************************/
181 static void
182 hptmv_free_channel(IAL_ADAPTER_T *pAdapter, MV_U8 channelNum)
183 {
184 	HPT_ASSERT(channelNum < MV_SATA_CHANNELS_NUM);
185 	pAdapter->mvSataAdapter.sataChannel[channelNum] = NULL;
186 }
187 
188 static void failDevice(PVDevice pVDev)
189 {
190 	PVBus _vbus_p = pVDev->pVBus;
191 	IAL_ADAPTER_T *pAdapter = (IAL_ADAPTER_T *)_vbus_p->OsExt;
192 
193 	pVDev->u.disk.df_on_line = 0;
194 	pVDev->vf_online = 0;
195 	if (pVDev->pfnDeviceFailed)
196 		CallWhenIdle(_VBUS_P (DPC_PROC)pVDev->pfnDeviceFailed, pVDev);
197 
198 	fNotifyGUI(ET_DEVICE_REMOVED, pVDev);
199 
200 #ifndef FOR_DEMO
201 	if (pAdapter->ver_601==2 && !pAdapter->beeping) {
202 		pAdapter->beeping = 1;
203 		BeepOn(pAdapter->mvSataAdapter.adapterIoBaseAddress);
204 		set_fail_led(&pAdapter->mvSataAdapter, pVDev->u.disk.mv->channelNumber, 1);
205 	}
206 #endif
207 }
208 
209 int MvSataResetChannel(MV_SATA_ADAPTER *pMvSataAdapter, MV_U8 channel);
210 
211 static void
212 handleEdmaError(_VBUS_ARG PCommand pCmd)
213 {
214 	PDevice pDevice = &pCmd->pVDevice->u.disk;
215 	MV_SATA_ADAPTER * pSataAdapter = pDevice->mv->mvSataAdapter;
216 
217 	if (!pDevice->df_on_line) {
218 		KdPrint(("Device is offline"));
219 		pCmd->Result = RETURN_BAD_DEVICE;
220 		CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
221 		return;
222 	}
223 
224 	if (pCmd->RetryCount++>5) {
225 		hpt_printk(("too many retries on channel(%d)\n", pDevice->mv->channelNumber));
226 failed:
227 		failDevice(pCmd->pVDevice);
228 		pCmd->Result = RETURN_IDE_ERROR;
229 		CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
230 		return;
231 	}
232 
233 	/* reset the channel and retry the command */
234 	if (MvSataResetChannel(pSataAdapter, pDevice->mv->channelNumber))
235 		goto failed;
236 
237 	fNotifyGUI(ET_DEVICE_ERROR, Map2pVDevice(pDevice));
238 
239 	hpt_printk(("Retry on channel(%d)\n", pDevice->mv->channelNumber));
240 	fDeviceSendCommand(_VBUS_P pCmd);
241 }
242 
243 /****************************************************************
244  *	Name:	hptmv_init_channel
245  *
246  *	Description:	allocate request and response queues for the EDMA of the
247  *					given channel and sets other fields.
248  *
249  *	Parameters:
250  *		pAdapter - pointer to the emulated adapter data structure
251  *		channelNum - channel number.
252  *	Return:	0 on success, otherwise on failure
253  ****************************************************************/
254 static int
255 hptmv_init_channel(IAL_ADAPTER_T *pAdapter, MV_U8 channelNum)
256 {
257 	MV_SATA_CHANNEL *pMvSataChannel;
258 	dma_addr_t    req_dma_addr;
259 	dma_addr_t    rsp_dma_addr;
260 
261 	if (channelNum >= MV_SATA_CHANNELS_NUM)
262 	{
263 		MV_ERROR("RR18xx[%d]: Bad channelNum=%d",
264 				 pAdapter->mvSataAdapter.adapterId, channelNum);
265 		return -1;
266 	}
267 
268 	pMvSataChannel = &gMvSataChannels[pAdapter->mvSataAdapter.adapterId][channelNum];
269 	pAdapter->mvSataAdapter.sataChannel[channelNum] = pMvSataChannel;
270 	pMvSataChannel->channelNumber = channelNum;
271 	pMvSataChannel->lba48Address = MV_FALSE;
272 	pMvSataChannel->maxReadTransfer = MV_FALSE;
273 
274 	pMvSataChannel->requestQueue = (struct mvDmaRequestQueueEntry *)
275 								   (pAdapter->requestsArrayBaseAlignedAddr + (channelNum * MV_EDMA_REQUEST_QUEUE_SIZE));
276 	req_dma_addr = pAdapter->requestsArrayBaseDmaAlignedAddr + (channelNum * MV_EDMA_REQUEST_QUEUE_SIZE);
277 
278 
279 	KdPrint(("requestQueue addr is 0x%llX", (HPT_U64)(ULONG_PTR)req_dma_addr));
280 
281 	/* check the 1K alignment of the request queue*/
282 	if (req_dma_addr & 0x3ff)
283 	{
284 		MV_ERROR("RR18xx[%d]: request queue allocated isn't 1 K aligned,"
285 				 " dma_addr=%llx channel=%d\n", pAdapter->mvSataAdapter.adapterId,
286 				 (HPT_U64)(ULONG_PTR)req_dma_addr, channelNum);
287 		return -1;
288 	}
289 	pMvSataChannel->requestQueuePciLowAddress = req_dma_addr;
290 	pMvSataChannel->requestQueuePciHiAddress = 0;
291 	KdPrint(("RR18xx[%d,%d]: request queue allocated: 0x%p",
292 			  pAdapter->mvSataAdapter.adapterId, channelNum,
293 			  pMvSataChannel->requestQueue));
294 	pMvSataChannel->responseQueue = (struct mvDmaResponseQueueEntry *)
295 									(pAdapter->responsesArrayBaseAlignedAddr + (channelNum * MV_EDMA_RESPONSE_QUEUE_SIZE));
296 	rsp_dma_addr = pAdapter->responsesArrayBaseDmaAlignedAddr + (channelNum * MV_EDMA_RESPONSE_QUEUE_SIZE);
297 
298 	/* check the 256 alignment of the response queue*/
299 	if (rsp_dma_addr & 0xff)
300 	{
301 		MV_ERROR("RR18xx[%d,%d]: response queue allocated isn't 256 byte "
302 				 "aligned, dma_addr=%llx\n",
303 				 pAdapter->mvSataAdapter.adapterId, channelNum, (HPT_U64)(ULONG_PTR)rsp_dma_addr);
304 		return -1;
305 	}
306 	pMvSataChannel->responseQueuePciLowAddress = rsp_dma_addr;
307 	pMvSataChannel->responseQueuePciHiAddress = 0;
308 	KdPrint(("RR18xx[%d,%d]: response queue allocated: 0x%p",
309 			  pAdapter->mvSataAdapter.adapterId, channelNum,
310 			  pMvSataChannel->responseQueue));
311 
312 	pAdapter->mvChannel[channelNum].online = MV_TRUE;
313 	return 0;
314 }
315 
316 /******************************************************************************
317  *	Name: hptmv_parse_identify_results
318  *
319  *	Description:	this functions parses the identify command results, checks
320  *					that the connected deives can be accesed by RR18xx EDMA,
321  *					and updates the channel stucture accordingly.
322  *
323  *	Parameters:     pMvSataChannel, pointer to the channel data structure.
324  *
325  *	Returns:       	=0 ->success, < 0 ->failure.
326  *
327  ******************************************************************************/
328 static int
329 hptmv_parse_identify_results(MV_SATA_CHANNEL *pMvSataChannel)
330 {
331 	MV_U16  *iden = pMvSataChannel->identifyDevice;
332 
333 	/*LBA addressing*/
334 	if (! (iden[IDEN_CAPACITY_1_OFFSET] & 0x200))
335 	{
336 		KdPrint(("IAL Error in IDENTIFY info: LBA not supported\n"));
337 		return -1;
338 	}
339 	else
340 	{
341 		KdPrint(("%25s - %s\n", "Capabilities", "LBA supported"));
342 	}
343 	/*DMA support*/
344 	if (! (iden[IDEN_CAPACITY_1_OFFSET] & 0x100))
345 	{
346 		KdPrint(("IAL Error in IDENTIFY info: DMA not supported\n"));
347 		return -1;
348 	}
349 	else
350 	{
351 		KdPrint(("%25s - %s\n", "Capabilities", "DMA supported"));
352 	}
353 	/* PIO */
354 	if ((iden[IDEN_VALID] & 2) == 0)
355 	{
356 		KdPrint(("IAL Error in IDENTIFY info: not able to find PIO mode\n"));
357 		return -1;
358 	}
359 	KdPrint(("%25s - 0x%02x\n", "PIO modes supported",
360 			  iden[IDEN_PIO_MODE_SPPORTED] & 0xff));
361 
362 	/*UDMA*/
363 	if ((iden[IDEN_VALID] & 4) == 0)
364 	{
365 		KdPrint(("IAL Error in IDENTIFY info: not able to find UDMA mode\n"));
366 		return -1;
367 	}
368 
369 	/* 48 bit address */
370 	if ((iden[IDEN_SUPPORTED_COMMANDS2] & 0x400))
371 	{
372 		KdPrint(("%25s - %s\n", "LBA48 addressing", "supported"));
373 		pMvSataChannel->lba48Address = MV_TRUE;
374 	}
375 	else
376 	{
377 		KdPrint(("%25s - %s\n", "LBA48 addressing", "Not supported"));
378 		pMvSataChannel->lba48Address = MV_FALSE;
379 	}
380 	return 0;
381 }
382 
383 static void
384 init_vdev_params(IAL_ADAPTER_T *pAdapter, MV_U8 channel)
385 {
386 	PVDevice pVDev = &pAdapter->VDevices[channel];
387 	MV_SATA_CHANNEL *pMvSataChannel = pAdapter->mvSataAdapter.sataChannel[channel];
388 	MV_U16_PTR IdentifyData = pMvSataChannel->identifyDevice;
389 
390 	pMvSataChannel->outstandingCommands = 0;
391 
392 	pVDev->u.disk.mv         = pMvSataChannel;
393 	pVDev->u.disk.df_on_line = 1;
394 	pVDev->u.disk.pVBus      = &pAdapter->VBus;
395 	pVDev->pVBus             = &pAdapter->VBus;
396 
397 #ifdef SUPPORT_48BIT_LBA
398 	if (pMvSataChannel->lba48Address == MV_TRUE)
399 		pVDev->u.disk.dDeRealCapacity = ((IdentifyData[101]<<16) | IdentifyData[100]) - 1;
400 	else
401 #endif
402 	if(IdentifyData[53] & 1) {
403 	pVDev->u.disk.dDeRealCapacity =
404 	  (((IdentifyData[58]<<16 | IdentifyData[57]) < (IdentifyData[61]<<16 | IdentifyData[60])) ?
405 		  (IdentifyData[61]<<16 | IdentifyData[60]) :
406 				(IdentifyData[58]<<16 | IdentifyData[57])) - 1;
407 	} else
408 		pVDev->u.disk.dDeRealCapacity =
409 				 (IdentifyData[61]<<16 | IdentifyData[60]) - 1;
410 
411 	pVDev->u.disk.bDeUsable_Mode = pVDev->u.disk.bDeModeSetting =
412 		pAdapter->mvChannel[channel].maxPioModeSupported - MV_ATA_TRANSFER_PIO_0;
413 
414 	if (pAdapter->mvChannel[channel].maxUltraDmaModeSupported!=0xFF) {
415 		pVDev->u.disk.bDeUsable_Mode = pVDev->u.disk.bDeModeSetting =
416 			pAdapter->mvChannel[channel].maxUltraDmaModeSupported - MV_ATA_TRANSFER_UDMA_0 + 8;
417 	}
418 }
419 
420 static void device_change(IAL_ADAPTER_T *pAdapter , MV_U8 channelIndex, int plugged)
421 {
422 	PVDevice pVDev;
423 	MV_SATA_ADAPTER  *pMvSataAdapter = &pAdapter->mvSataAdapter;
424 	MV_SATA_CHANNEL  *pMvSataChannel = pMvSataAdapter->sataChannel[channelIndex];
425 
426 	if (!pMvSataChannel) return;
427 
428 	if (plugged)
429 	{
430 		pVDev = &(pAdapter->VDevices[channelIndex]);
431 		init_vdev_params(pAdapter, channelIndex);
432 
433 		pVDev->VDeviceType = pVDev->u.disk.df_atapi? VD_ATAPI :
434 			pVDev->u.disk.df_removable_drive? VD_REMOVABLE : VD_SINGLE_DISK;
435 
436 		pVDev->VDeviceCapacity = pVDev->u.disk.dDeRealCapacity-SAVE_FOR_RAID_INFO;
437 		pVDev->pfnSendCommand = pfnSendCommand[pVDev->VDeviceType];
438 		pVDev->pfnDeviceFailed = pfnDeviceFailed[pVDev->VDeviceType];
439 		pVDev->vf_online = 1;
440 
441 #ifdef SUPPORT_ARRAY
442 		if(pVDev->pParent)
443 		{
444 			int iMember;
445 			for(iMember = 0; iMember < 	pVDev->pParent->u.array.bArnMember; iMember++)
446 				if((PVDevice)pVDev->pParent->u.array.pMember[iMember] == pVDev)
447 					pVDev->pParent->u.array.pMember[iMember] = NULL;
448 			pVDev->pParent = NULL;
449 		}
450 #endif
451 		fNotifyGUI(ET_DEVICE_PLUGGED,pVDev);
452 		fCheckBootable(pVDev);
453 		RegisterVDevice(pVDev);
454 
455 #ifndef FOR_DEMO
456 		if (pAdapter->beeping) {
457 			pAdapter->beeping = 0;
458 			BeepOff(pAdapter->mvSataAdapter.adapterIoBaseAddress);
459 		}
460 #endif
461 
462 	}
463 	else
464 	{
465 		pVDev  = &(pAdapter->VDevices[channelIndex]);
466 		failDevice(pVDev);
467 	}
468 }
469 
470 static int
471 start_channel(IAL_ADAPTER_T *pAdapter, MV_U8 channelNum)
472 {
473 	MV_SATA_ADAPTER *pMvSataAdapter = &pAdapter->mvSataAdapter;
474 	MV_SATA_CHANNEL *pMvSataChannel = pMvSataAdapter->sataChannel[channelNum];
475 	MV_CHANNEL		*pChannelInfo = &(pAdapter->mvChannel[channelNum]);
476 	MV_U32          udmaMode,pioMode;
477 
478 	KdPrint(("RR18xx [%d]: start channel (%d)", pMvSataAdapter->adapterId,
479 			 channelNum));
480 
481 
482 	/* Software reset channel */
483 	if (mvStorageDevATASoftResetDevice(pMvSataAdapter, channelNum) == MV_FALSE)
484 	{
485 		MV_ERROR("RR18xx [%d,%d]: failed to perform Software reset\n",
486 				 pMvSataAdapter->adapterId, channelNum);
487 		return -1;
488 	}
489 
490 	/* Hardware reset channel */
491 	if (mvSataChannelHardReset(pMvSataAdapter, channelNum) == MV_FALSE)
492 	{
493 		/* If failed, try again - this is when trying to hardreset a channel */
494 		/* when drive is just spinning up */
495 		StallExec(5000000); /* wait 5 sec before trying again */
496 		if (mvSataChannelHardReset(pMvSataAdapter, channelNum) == MV_FALSE)
497 		{
498 			MV_ERROR("RR18xx [%d,%d]: failed to perform Hard reset\n",
499 					 pMvSataAdapter->adapterId, channelNum);
500 			return -1;
501 		}
502 	}
503 
504 	/* identify device*/
505 	if (mvStorageDevATAIdentifyDevice(pMvSataAdapter, channelNum) == MV_FALSE)
506 	{
507 		MV_ERROR("RR18xx [%d,%d]: failed to perform ATA Identify command\n"
508 				 , pMvSataAdapter->adapterId, channelNum);
509 		return -1;
510 	}
511 	if (hptmv_parse_identify_results(pMvSataChannel))
512 	{
513 		MV_ERROR("RR18xx [%d,%d]: Error in parsing ATA Identify message\n"
514 				 , pMvSataAdapter->adapterId, channelNum);
515 		return -1;
516 	}
517 
518 	/* mvStorageDevATASetFeatures */
519 	/* Disable 8 bit PIO in case CFA enabled */
520 	if (pMvSataChannel->identifyDevice[86] & 4)
521 	{
522 		KdPrint(("RR18xx [%d]: Disable 8 bit PIO (CFA enabled) \n",
523 				  pMvSataAdapter->adapterId));
524 		if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
525 									   MV_ATA_SET_FEATURES_DISABLE_8_BIT_PIO, 0,
526 									   0, 0, 0) == MV_FALSE)
527 		{
528 			MV_ERROR("RR18xx [%d]: channel %d: mvStorageDevATASetFeatures"
529 					 " failed\n", pMvSataAdapter->adapterId, channelNum);
530 			return -1;
531 		}
532 	}
533 	/* Write cache */
534 #ifdef ENABLE_WRITE_CACHE
535 	if (pMvSataChannel->identifyDevice[82] & 0x20)
536 	{
537 		if (!(pMvSataChannel->identifyDevice[85] & 0x20)) /* if not enabled by default */
538 		{
539 			if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
540 										   MV_ATA_SET_FEATURES_ENABLE_WCACHE, 0,
541 										   0, 0, 0) == MV_FALSE)
542 			{
543 				MV_ERROR("RR18xx [%d]: channel %d: mvStorageDevATASetFeatures failed\n",
544 						 pMvSataAdapter->adapterId, channelNum);
545 				return -1;
546 			}
547 		}
548 		KdPrint(("RR18xx [%d]: channel %d, write cache enabled\n",
549 				  pMvSataAdapter->adapterId, channelNum));
550 	}
551 	else
552 	{
553 		KdPrint(("RR18xx [%d]: channel %d, write cache not supported\n",
554 				  pMvSataAdapter->adapterId, channelNum));
555 	}
556 #else /* disable write cache */
557 	{
558 		if (pMvSataChannel->identifyDevice[85] & 0x20)
559 		{
560 			KdPrint(("RR18xx [%d]: channel =%d, disable write cache\n",
561 					  pMvSataAdapter->adapterId, channelNum));
562 			if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
563 										   MV_ATA_SET_FEATURES_DISABLE_WCACHE, 0,
564 										   0, 0, 0) == MV_FALSE)
565 			{
566 				MV_ERROR("RR18xx [%d]: channel %d: mvStorageDevATASetFeatures failed\n",
567 						 pMvSataAdapter->adapterId, channelNum);
568 				return -1;
569 			}
570 		}
571 		KdPrint(("RR18xx [%d]: channel=%d, write cache disabled\n",
572 				  pMvSataAdapter->adapterId, channelNum));
573 	}
574 #endif
575 
576 	/* Set transfer mode */
577 	KdPrint(("RR18xx [%d] Set transfer mode XFER_PIO_SLOW\n",
578 			  pMvSataAdapter->adapterId));
579 	if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
580 								   MV_ATA_SET_FEATURES_TRANSFER,
581 								   MV_ATA_TRANSFER_PIO_SLOW, 0, 0, 0) ==
582 		MV_FALSE)
583 	{
584 		MV_ERROR("RR18xx [%d] channel %d: Set Features failed\n",
585 				 pMvSataAdapter->adapterId, channelNum);
586 		return -1;
587 	}
588 
589 	if (pMvSataChannel->identifyDevice[IDEN_PIO_MODE_SPPORTED] & 1)
590 	{
591 		pioMode = MV_ATA_TRANSFER_PIO_4;
592 	}
593 	else if (pMvSataChannel->identifyDevice[IDEN_PIO_MODE_SPPORTED] & 2)
594 	{
595 		pioMode = MV_ATA_TRANSFER_PIO_3;
596 	}
597 	else
598 	{
599 		MV_ERROR("IAL Error in IDENTIFY info: PIO modes 3 and 4 not supported\n");
600 		pioMode = MV_ATA_TRANSFER_PIO_SLOW;
601 	}
602 
603 	KdPrint(("RR18xx [%d] Set transfer mode XFER_PIO_4\n",
604 			  pMvSataAdapter->adapterId));
605 	pAdapter->mvChannel[channelNum].maxPioModeSupported = pioMode;
606 	if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
607 								   MV_ATA_SET_FEATURES_TRANSFER,
608 								   pioMode, 0, 0, 0) == MV_FALSE)
609 	{
610 		MV_ERROR("RR18xx [%d] channel %d: Set Features failed\n",
611 				 pMvSataAdapter->adapterId, channelNum);
612 		return -1;
613 	}
614 
615 	udmaMode = MV_ATA_TRANSFER_UDMA_0;
616 	if (pMvSataChannel->identifyDevice[IDEN_UDMA_MODE] & 0x40)
617 	{
618 		udmaMode =  MV_ATA_TRANSFER_UDMA_6;
619 	}
620 	else if (pMvSataChannel->identifyDevice[IDEN_UDMA_MODE] & 0x20)
621 	{
622 		udmaMode =  MV_ATA_TRANSFER_UDMA_5;
623 	}
624 	else if (pMvSataChannel->identifyDevice[IDEN_UDMA_MODE] & 0x10)
625 	{
626 		udmaMode =  MV_ATA_TRANSFER_UDMA_4;
627 	}
628 	else if (pMvSataChannel->identifyDevice[IDEN_UDMA_MODE] & 8)
629 	{
630 		udmaMode =  MV_ATA_TRANSFER_UDMA_3;
631 	}
632 	else if (pMvSataChannel->identifyDevice[IDEN_UDMA_MODE] & 4)
633 	{
634 		udmaMode =  MV_ATA_TRANSFER_UDMA_2;
635 	}
636 
637 	KdPrint(("RR18xx [%d] Set transfer mode XFER_UDMA_%d\n",
638 			  pMvSataAdapter->adapterId, udmaMode & 0xf));
639 	pChannelInfo->maxUltraDmaModeSupported = udmaMode;
640 
641 	/*if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
642 								   MV_ATA_SET_FEATURES_TRANSFER, udmaMode,
643 								   0, 0, 0) == MV_FALSE)
644 	{
645 		MV_ERROR("RR18xx [%d] channel %d: Set Features failed\n",
646 				 pMvSataAdapter->adapterId, channelNum);
647 		return -1;
648 	}*/
649 	if (pChannelInfo->maxUltraDmaModeSupported == 0xFF)
650 		return TRUE;
651 	else
652 		do
653 		{
654 			if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
655 								   MV_ATA_SET_FEATURES_TRANSFER,
656 								   pChannelInfo->maxUltraDmaModeSupported,
657 								   0, 0, 0) == MV_FALSE)
658 			{
659 				if (pChannelInfo->maxUltraDmaModeSupported > MV_ATA_TRANSFER_UDMA_0)
660 				{
661 					if (mvStorageDevATASoftResetDevice(pMvSataAdapter, channelNum) == MV_FALSE)
662 					{
663 						MV_REG_WRITE_BYTE(pMvSataAdapter->adapterIoBaseAddress,
664 										  pMvSataChannel->eDmaRegsOffset +
665 										  0x11c, /* command reg */
666 										  MV_ATA_COMMAND_IDLE_IMMEDIATE);
667 						mvMicroSecondsDelay(10000);
668 						mvSataChannelHardReset(pMvSataAdapter, channelNum);
669 						if (mvStorageDevATASoftResetDevice(pMvSataAdapter, channelNum) == MV_FALSE)
670 							return FALSE;
671 					}
672 					if (mvSataChannelHardReset(pMvSataAdapter, channelNum) == MV_FALSE)
673 						return FALSE;
674 					pChannelInfo->maxUltraDmaModeSupported--;
675 					continue;
676 				}
677 				else   return FALSE;
678 			}
679 			break;
680 		}while (1);
681 
682 	/* Read look ahead */
683 #ifdef ENABLE_READ_AHEAD
684 	if (pMvSataChannel->identifyDevice[82] & 0x40)
685 	{
686 		if (!(pMvSataChannel->identifyDevice[85] & 0x40)) /* if not enabled by default */
687 		{
688 			if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
689 										   MV_ATA_SET_FEATURES_ENABLE_RLA, 0, 0,
690 										   0, 0) == MV_FALSE)
691 			{
692 				MV_ERROR("RR18xx [%d] channel %d: Set Features failed\n",
693 						 pMvSataAdapter->adapterId, channelNum);
694 				return -1;
695 			}
696 		}
697 		KdPrint(("RR18xx [%d]: channel=%d, read look ahead enabled\n",
698 				  pMvSataAdapter->adapterId, channelNum));
699 	}
700 	else
701 	{
702 		KdPrint(("RR18xx [%d]: channel %d, Read Look Ahead not supported\n",
703 				  pMvSataAdapter->adapterId, channelNum));
704 	}
705 #else
706 	{
707 		if (pMvSataChannel->identifyDevice[86] & 0x20)
708 		{
709 			KdPrint(("RR18xx [%d]:channel %d, disable read look ahead\n",
710 					  pMvSataAdapter->adapterId, channelNum));
711 			if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
712 										   MV_ATA_SET_FEATURES_DISABLE_RLA, 0, 0,
713 										   0, 0) == MV_FALSE)
714 			{
715 				MV_ERROR("RR18xx [%d]:channel %d:  ATA Set Features failed\n",
716 						 pMvSataAdapter->adapterId, channelNum);
717 				return -1;
718 			}
719 		}
720 		KdPrint(("RR18xx [%d]:channel %d, read look ahead disabled\n",
721 				  pMvSataAdapter->adapterId, channelNum));
722 	}
723 #endif
724 
725 
726 	{
727 		KdPrint(("RR18xx [%d]: channel %d config EDMA, Non Queued Mode\n",
728 				  pMvSataAdapter->adapterId,
729 				  channelNum));
730 		if (mvSataConfigEdmaMode(pMvSataAdapter, channelNum,
731 								 MV_EDMA_MODE_NOT_QUEUED, 0) == MV_FALSE)
732 		{
733 			MV_ERROR("RR18xx [%d] channel %d Error: mvSataConfigEdmaMode failed\n",
734 					 pMvSataAdapter->adapterId, channelNum);
735 			return -1;
736 		}
737 	}
738 	/* Enable EDMA */
739 	if (mvSataEnableChannelDma(pMvSataAdapter, channelNum) == MV_FALSE)
740 	{
741 		MV_ERROR("RR18xx [%d] Failed to enable DMA, channel=%d\n",
742 				 pMvSataAdapter->adapterId, channelNum);
743 		return -1;
744 	}
745 	MV_ERROR("RR18xx [%d,%d]: channel started successfully\n",
746 			 pMvSataAdapter->adapterId, channelNum);
747 
748 #ifndef FOR_DEMO
749 	set_fail_led(pMvSataAdapter, channelNum, 0);
750 #endif
751 	return 0;
752 }
753 
754 static void
755 hptmv_handle_event(void * data, int flag)
756 {
757 	IAL_ADAPTER_T   *pAdapter = (IAL_ADAPTER_T *)data;
758 	MV_SATA_ADAPTER *pMvSataAdapter = &pAdapter->mvSataAdapter;
759 	MV_U8           channelIndex;
760 
761 /*	mvOsSemTake(&pMvSataAdapter->semaphore); */
762 	for (channelIndex = 0; channelIndex < MV_SATA_CHANNELS_NUM; channelIndex++)
763 	{
764 		switch(pAdapter->sataEvents[channelIndex])
765 		{
766 			case SATA_EVENT_CHANNEL_CONNECTED:
767 				/* Handle only connects */
768 				if (flag == 1)
769 					break;
770 				KdPrint(("RR18xx [%d,%d]: new device connected\n",
771 						 pMvSataAdapter->adapterId, channelIndex));
772 				hptmv_init_channel(pAdapter, channelIndex);
773 				if (mvSataConfigureChannel( pMvSataAdapter, channelIndex) == MV_FALSE)
774 				{
775 					MV_ERROR("RR18xx [%d,%d] Failed to configure\n",
776 							 pMvSataAdapter->adapterId, channelIndex);
777 					hptmv_free_channel(pAdapter, channelIndex);
778 				}
779 				else
780 				{
781 					/*mvSataChannelHardReset(pMvSataAdapter, channel);*/
782 					if (start_channel( pAdapter, channelIndex))
783 					{
784 						MV_ERROR("RR18xx [%d,%d]Failed to start channel\n",
785 								 pMvSataAdapter->adapterId, channelIndex);
786 						hptmv_free_channel(pAdapter, channelIndex);
787 					}
788 					else
789 					{
790 						device_change(pAdapter, channelIndex, TRUE);
791 					}
792 				}
793 				pAdapter->sataEvents[channelIndex] = SATA_EVENT_NO_CHANGE;
794 			   break;
795 
796 			case SATA_EVENT_CHANNEL_DISCONNECTED:
797 				/* Handle only disconnects */
798 				if (flag == 0)
799 					break;
800 				KdPrint(("RR18xx [%d,%d]: device disconnected\n",
801 						 pMvSataAdapter->adapterId, channelIndex));
802 					/* Flush pending commands */
803 				if(pMvSataAdapter->sataChannel[channelIndex])
804 				{
805 					_VBUS_INST(&pAdapter->VBus)
806 					mvSataFlushDmaQueue (pMvSataAdapter, channelIndex,
807 										 MV_FLUSH_TYPE_CALLBACK);
808 					CheckPendingCall(_VBUS_P0);
809 					mvSataRemoveChannel(pMvSataAdapter,channelIndex);
810 					hptmv_free_channel(pAdapter, channelIndex);
811 					pMvSataAdapter->sataChannel[channelIndex] = NULL;
812 					KdPrint(("RR18xx [%d,%d]: channel removed\n",
813 						 pMvSataAdapter->adapterId, channelIndex));
814 					if (pAdapter->outstandingCommands==0 && DPC_Request_Nums==0)
815 						Check_Idle_Call(pAdapter);
816 				}
817 				else
818 				{
819 					KdPrint(("RR18xx [%d,%d]: channel already removed!!\n",
820 							 pMvSataAdapter->adapterId, channelIndex));
821 				}
822 				pAdapter->sataEvents[channelIndex] = SATA_EVENT_NO_CHANGE;
823 				break;
824 
825 			case SATA_EVENT_NO_CHANGE:
826 				break;
827 
828 			default:
829 				break;
830 		}
831 	}
832 /*	mvOsSemRelease(&pMvSataAdapter->semaphore); */
833 }
834 
835 #define EVENT_CONNECT					1
836 #define EVENT_DISCONNECT				0
837 
838 static void
839 hptmv_handle_event_connect(void *data)
840 {
841   hptmv_handle_event (data, 0);
842 }
843 
844 static void
845 hptmv_handle_event_disconnect(void *data)
846 {
847   hptmv_handle_event (data, 1);
848 }
849 
850 static MV_BOOLEAN
851 hptmv_event_notify(MV_SATA_ADAPTER *pMvSataAdapter, MV_EVENT_TYPE eventType,
852 								   MV_U32 param1, MV_U32 param2)
853 {
854 	IAL_ADAPTER_T   *pAdapter = pMvSataAdapter->IALData;
855 
856 	switch (eventType)
857 	{
858 		case MV_EVENT_TYPE_SATA_CABLE:
859 			{
860 				MV_U8   channel = param2;
861 
862 				if (param1 == EVENT_CONNECT)
863 				{
864 					pAdapter->sataEvents[channel] = SATA_EVENT_CHANNEL_CONNECTED;
865 					KdPrint(("RR18xx [%d,%d]: device connected event received\n",
866 							 pMvSataAdapter->adapterId, channel));
867 					/* Delete previous timers (if multiple drives connected in the same time */
868 					callout_reset(&pAdapter->event_timer_connect, 10*hz, hptmv_handle_event_connect, pAdapter);
869 				}
870 				else if (param1 == EVENT_DISCONNECT)
871 				{
872 					pAdapter->sataEvents[channel] = SATA_EVENT_CHANNEL_DISCONNECTED;
873 					KdPrint(("RR18xx [%d,%d]: device disconnected event received \n",
874 							 pMvSataAdapter->adapterId, channel));
875 					device_change(pAdapter, channel, FALSE);
876 					/* Delete previous timers (if multiple drives disconnected in the same time */
877 					/* callout_reset(&pAdapter->event_timer_disconnect, 10*hz, hptmv_handle_event_disconnect, pAdapter); */
878 					/*It is not necessary to wait, handle it directly*/
879 					hptmv_handle_event_disconnect(pAdapter);
880 				}
881 				else
882 				{
883 
884 					MV_ERROR("RR18xx: illigal value for param1(%d) at "
885 							 "connect/disconect event, host=%d\n", param1,
886 							 pMvSataAdapter->adapterId );
887 
888 				}
889 			}
890 			break;
891 		case MV_EVENT_TYPE_ADAPTER_ERROR:
892 			KdPrint(("RR18xx: DEVICE error event received, pci cause "
893 					  "reg=%x,  don't how to handle this\n", param1));
894 			return MV_TRUE;
895 		default:
896 			MV_ERROR("RR18xx[%d]: unknown event type (%d)\n",
897 					 pMvSataAdapter->adapterId, eventType);
898 			return MV_FALSE;
899 	}
900 	return MV_TRUE;
901 }
902 
903 static int
904 hptmv_allocate_edma_queues(IAL_ADAPTER_T *pAdapter)
905 {
906 	pAdapter->requestsArrayBaseAddr = (MV_U8 *)contigmalloc(REQUESTS_ARRAY_SIZE,
907 			M_DEVBUF, M_NOWAIT, 0, 0xffffffff, PAGE_SIZE, 0ul);
908 	if (pAdapter->requestsArrayBaseAddr == NULL)
909 	{
910 		MV_ERROR("RR18xx[%d]: Failed to allocate memory for EDMA request"
911 				 " queues\n", pAdapter->mvSataAdapter.adapterId);
912 		return -1;
913 	}
914 	pAdapter->requestsArrayBaseDmaAddr = fOsPhysicalAddress(pAdapter->requestsArrayBaseAddr);
915 	pAdapter->requestsArrayBaseAlignedAddr = pAdapter->requestsArrayBaseAddr;
916 	pAdapter->requestsArrayBaseAlignedAddr += MV_EDMA_REQUEST_QUEUE_SIZE;
917 	pAdapter->requestsArrayBaseAlignedAddr  = (MV_U8 *)
918 		(((ULONG_PTR)pAdapter->requestsArrayBaseAlignedAddr) & ~(ULONG_PTR)(MV_EDMA_REQUEST_QUEUE_SIZE - 1));
919 	pAdapter->requestsArrayBaseDmaAlignedAddr = pAdapter->requestsArrayBaseDmaAddr;
920 	pAdapter->requestsArrayBaseDmaAlignedAddr += MV_EDMA_REQUEST_QUEUE_SIZE;
921 	pAdapter->requestsArrayBaseDmaAlignedAddr &= ~(ULONG_PTR)(MV_EDMA_REQUEST_QUEUE_SIZE - 1);
922 
923 	if ((pAdapter->requestsArrayBaseDmaAlignedAddr - pAdapter->requestsArrayBaseDmaAddr) !=
924 		(pAdapter->requestsArrayBaseAlignedAddr - pAdapter->requestsArrayBaseAddr))
925 	{
926 		MV_ERROR("RR18xx[%d]: Error in Request Quueues Alignment\n",
927 				 pAdapter->mvSataAdapter.adapterId);
928 		contigfree(pAdapter->requestsArrayBaseAddr, REQUESTS_ARRAY_SIZE, M_DEVBUF);
929 		return -1;
930 	}
931 	/* response queues */
932 	pAdapter->responsesArrayBaseAddr = (MV_U8 *)contigmalloc(RESPONSES_ARRAY_SIZE,
933 			M_DEVBUF, M_NOWAIT, 0, 0xffffffff, PAGE_SIZE, 0ul);
934 	if (pAdapter->responsesArrayBaseAddr == NULL)
935 	{
936 		MV_ERROR("RR18xx[%d]: Failed to allocate memory for EDMA response"
937 				 " queues\n", pAdapter->mvSataAdapter.adapterId);
938 		contigfree(pAdapter->requestsArrayBaseAddr, RESPONSES_ARRAY_SIZE, M_DEVBUF);
939 		return -1;
940 	}
941 	pAdapter->responsesArrayBaseDmaAddr = fOsPhysicalAddress(pAdapter->responsesArrayBaseAddr);
942 	pAdapter->responsesArrayBaseAlignedAddr = pAdapter->responsesArrayBaseAddr;
943 	pAdapter->responsesArrayBaseAlignedAddr += MV_EDMA_RESPONSE_QUEUE_SIZE;
944 	pAdapter->responsesArrayBaseAlignedAddr  = (MV_U8 *)
945 		(((ULONG_PTR)pAdapter->responsesArrayBaseAlignedAddr) & ~(ULONG_PTR)(MV_EDMA_RESPONSE_QUEUE_SIZE - 1));
946 	pAdapter->responsesArrayBaseDmaAlignedAddr = pAdapter->responsesArrayBaseDmaAddr;
947 	pAdapter->responsesArrayBaseDmaAlignedAddr += MV_EDMA_RESPONSE_QUEUE_SIZE;
948 	pAdapter->responsesArrayBaseDmaAlignedAddr &= ~(ULONG_PTR)(MV_EDMA_RESPONSE_QUEUE_SIZE - 1);
949 
950 	if ((pAdapter->responsesArrayBaseDmaAlignedAddr - pAdapter->responsesArrayBaseDmaAddr) !=
951 		(pAdapter->responsesArrayBaseAlignedAddr - pAdapter->responsesArrayBaseAddr))
952 	{
953 		MV_ERROR("RR18xx[%d]: Error in Response Quueues Alignment\n",
954 				 pAdapter->mvSataAdapter.adapterId);
955 		contigfree(pAdapter->requestsArrayBaseAddr, REQUESTS_ARRAY_SIZE, M_DEVBUF);
956 		contigfree(pAdapter->responsesArrayBaseAddr, RESPONSES_ARRAY_SIZE, M_DEVBUF);
957 		return -1;
958 	}
959 	return 0;
960 }
961 
962 static void
963 hptmv_free_edma_queues(IAL_ADAPTER_T *pAdapter)
964 {
965 	contigfree(pAdapter->requestsArrayBaseAddr, REQUESTS_ARRAY_SIZE, M_DEVBUF);
966 	contigfree(pAdapter->responsesArrayBaseAddr, RESPONSES_ARRAY_SIZE, M_DEVBUF);
967 }
968 
969 static PVOID
970 AllocatePRDTable(IAL_ADAPTER_T *pAdapter)
971 {
972 	PVOID ret;
973 	if (pAdapter->pFreePRDLink) {
974 		KdPrint(("pAdapter->pFreePRDLink:%p\n",pAdapter->pFreePRDLink));
975 		ret = pAdapter->pFreePRDLink;
976 		pAdapter->pFreePRDLink = *(void**)ret;
977 		return ret;
978 	}
979 	return NULL;
980 }
981 
982 static void
983 FreePRDTable(IAL_ADAPTER_T *pAdapter, PVOID PRDTable)
984 {
985 	*(void**)PRDTable = pAdapter->pFreePRDLink;
986 	pAdapter->pFreePRDLink = PRDTable;
987 }
988 
989 extern PVDevice fGetFirstChild(PVDevice pLogical);
990 extern void fResetBootMark(PVDevice pLogical);
991 static void
992 fRegisterVdevice(IAL_ADAPTER_T *pAdapter)
993 {
994 	PVDevice pPhysical, pLogical;
995 	PVBus  pVBus;
996 	int i,j;
997 
998 	for(i=0;i<MV_SATA_CHANNELS_NUM;i++) {
999 		pPhysical = &(pAdapter->VDevices[i]);
1000 		pLogical = pPhysical;
1001 		while (pLogical->pParent) pLogical = pLogical->pParent;
1002 		if (pLogical->vf_online==0) {
1003 			pPhysical->vf_bootmark = pLogical->vf_bootmark = 0;
1004 			continue;
1005 		}
1006 		if (pLogical->VDeviceType==VD_SPARE || pPhysical!=fGetFirstChild(pLogical))
1007 			continue;
1008 
1009 		pVBus = &pAdapter->VBus;
1010 		if(pVBus)
1011 		{
1012 			j=0;
1013 			while(j<MAX_VDEVICE_PER_VBUS && pVBus->pVDevice[j]) j++;
1014 			if(j<MAX_VDEVICE_PER_VBUS){
1015 				pVBus->pVDevice[j] = pLogical;
1016 				pLogical->pVBus = pVBus;
1017 
1018 				if (j>0 && pLogical->vf_bootmark) {
1019 					if (pVBus->pVDevice[0]->vf_bootmark) {
1020 						fResetBootMark(pLogical);
1021 					}
1022 					else {
1023 						do { pVBus->pVDevice[j] = pVBus->pVDevice[j-1]; } while (--j);
1024 						pVBus->pVDevice[0] = pLogical;
1025 					}
1026 				}
1027 			}
1028 		}
1029 	}
1030 }
1031 
1032 PVDevice
1033 GetSpareDisk(_VBUS_ARG PVDevice pArray)
1034 {
1035 	IAL_ADAPTER_T *pAdapter = (IAL_ADAPTER_T *)pArray->pVBus->OsExt;
1036 	LBA_T capacity = LongDiv(pArray->VDeviceCapacity, pArray->u.array.bArnMember-1);
1037 	LBA_T thiscap, maxcap = MAX_LBA_T;
1038 	PVDevice pVDevice, pFind = NULL;
1039 	int i;
1040 
1041 	for(i=0;i<MV_SATA_CHANNELS_NUM;i++)
1042 	{
1043 		pVDevice = &pAdapter->VDevices[i];
1044 		if(!pVDevice)
1045 			continue;
1046 		thiscap = pArray->vf_format_v2? pVDevice->u.disk.dDeRealCapacity : pVDevice->VDeviceCapacity;
1047 		/* find the smallest usable spare disk */
1048 		if (pVDevice->VDeviceType==VD_SPARE &&
1049 			pVDevice->u.disk.df_on_line &&
1050 			thiscap < maxcap &&
1051 			thiscap >= capacity)
1052 		{
1053 				maxcap = pVDevice->VDeviceCapacity;
1054 				pFind = pVDevice;
1055 		}
1056 	}
1057 	return pFind;
1058 }
1059 
1060 /******************************************************************
1061  * IO ATA Command
1062  *******************************************************************/
1063 int HPTLIBAPI
1064 fDeReadWrite(PDevice pDev, ULONG Lba, UCHAR Cmd, void *tmpBuffer)
1065 {
1066 	return mvReadWrite(pDev->mv, Lba, Cmd, tmpBuffer);
1067 }
1068 
1069 void HPTLIBAPI fDeSelectMode(PDevice pDev, UCHAR NewMode)
1070 {
1071 	MV_SATA_CHANNEL *pSataChannel = pDev->mv;
1072 	MV_SATA_ADAPTER *pSataAdapter = pSataChannel->mvSataAdapter;
1073 	MV_U8 channelIndex = pSataChannel->channelNumber;
1074 	UCHAR mvMode;
1075 	/* 508x don't use MW-DMA? */
1076 	if (NewMode>4 && NewMode<8) NewMode = 4;
1077 	pDev->bDeModeSetting = NewMode;
1078 	if (NewMode<=4)
1079 		mvMode = MV_ATA_TRANSFER_PIO_0 + NewMode;
1080 	else
1081 		mvMode = MV_ATA_TRANSFER_UDMA_0 + (NewMode-8);
1082 
1083 	/*To fix 88i8030 bug*/
1084 	if (mvMode > MV_ATA_TRANSFER_UDMA_0 && mvMode < MV_ATA_TRANSFER_UDMA_4)
1085 		mvMode = MV_ATA_TRANSFER_UDMA_0;
1086 
1087 	mvSataDisableChannelDma(pSataAdapter, channelIndex);
1088 	/* Flush pending commands */
1089 	mvSataFlushDmaQueue (pSataAdapter, channelIndex, MV_FLUSH_TYPE_NONE);
1090 
1091 	if (mvStorageDevATASetFeatures(pSataAdapter, channelIndex,
1092 								   MV_ATA_SET_FEATURES_TRANSFER,
1093 								   mvMode, 0, 0, 0) == MV_FALSE)
1094 	{
1095 		KdPrint(("channel %d: Set Features failed\n", channelIndex));
1096 	}
1097 	/* Enable EDMA */
1098 	if (mvSataEnableChannelDma(pSataAdapter, channelIndex) == MV_FALSE)
1099 		KdPrint(("Failed to enable DMA, channel=%d", channelIndex));
1100 }
1101 
1102 int HPTLIBAPI fDeSetTCQ(PDevice pDev, int enable, int depth)
1103 {
1104 	MV_SATA_CHANNEL *pSataChannel = pDev->mv;
1105 	MV_SATA_ADAPTER *pSataAdapter = pSataChannel->mvSataAdapter;
1106 	MV_U8 channelIndex = pSataChannel->channelNumber;
1107 	IAL_ADAPTER_T *pAdapter = pSataAdapter->IALData;
1108 	MV_CHANNEL		*channelInfo = &(pAdapter->mvChannel[channelIndex]);
1109 	int dmaActive = pSataChannel->queueCommandsEnabled;
1110 	int ret = 0;
1111 
1112 	if (dmaActive) {
1113 		mvSataDisableChannelDma(pSataAdapter, channelIndex);
1114 		mvSataFlushDmaQueue(pSataAdapter,channelIndex,MV_FLUSH_TYPE_CALLBACK);
1115 	}
1116 
1117 	if (enable) {
1118 		if (pSataChannel->queuedDMA == MV_EDMA_MODE_NOT_QUEUED &&
1119 			(pSataChannel->identifyDevice[IDEN_SUPPORTED_COMMANDS2] & (0x2))) {
1120 			UCHAR depth = ((pSataChannel->identifyDevice[IDEN_QUEUE_DEPTH]) & 0x1f) + 1;
1121 			channelInfo->queueDepth = (depth==32)? 31 : depth;
1122 			mvSataConfigEdmaMode(pSataAdapter, channelIndex, MV_EDMA_MODE_QUEUED, depth);
1123 			ret = 1;
1124 		}
1125 	}
1126 	else
1127 	{
1128 		if (pSataChannel->queuedDMA != MV_EDMA_MODE_NOT_QUEUED) {
1129 			channelInfo->queueDepth = 2;
1130 			mvSataConfigEdmaMode(pSataAdapter, channelIndex, MV_EDMA_MODE_NOT_QUEUED, 0);
1131 			ret = 1;
1132 		}
1133 	}
1134 
1135 	if (dmaActive)
1136 		mvSataEnableChannelDma(pSataAdapter,channelIndex);
1137 	return ret;
1138 }
1139 
1140 int HPTLIBAPI fDeSetNCQ(PDevice pDev, int enable, int depth)
1141 {
1142 	return 0;
1143 }
1144 
1145 int HPTLIBAPI fDeSetWriteCache(PDevice pDev, int enable)
1146 {
1147 	MV_SATA_CHANNEL *pSataChannel = pDev->mv;
1148 	MV_SATA_ADAPTER *pSataAdapter = pSataChannel->mvSataAdapter;
1149 	MV_U8 channelIndex = pSataChannel->channelNumber;
1150 	IAL_ADAPTER_T *pAdapter = pSataAdapter->IALData;
1151 	MV_CHANNEL		*channelInfo = &(pAdapter->mvChannel[channelIndex]);
1152 	int dmaActive = pSataChannel->queueCommandsEnabled;
1153 	int ret = 0;
1154 
1155 	if (dmaActive) {
1156 		mvSataDisableChannelDma(pSataAdapter, channelIndex);
1157 		mvSataFlushDmaQueue(pSataAdapter,channelIndex,MV_FLUSH_TYPE_CALLBACK);
1158 	}
1159 
1160 	if ((pSataChannel->identifyDevice[82] & (0x20))) {
1161 		if (enable) {
1162 			if (mvStorageDevATASetFeatures(pSataAdapter, channelIndex,
1163 				MV_ATA_SET_FEATURES_ENABLE_WCACHE, 0, 0, 0, 0))
1164 			{
1165 				channelInfo->writeCacheEnabled = MV_TRUE;
1166 				ret = 1;
1167 			}
1168 		}
1169 		else {
1170 			if (mvStorageDevATASetFeatures(pSataAdapter, channelIndex,
1171 				MV_ATA_SET_FEATURES_DISABLE_WCACHE, 0, 0, 0, 0))
1172 			{
1173 				channelInfo->writeCacheEnabled = MV_FALSE;
1174 				ret = 1;
1175 			}
1176 		}
1177 	}
1178 
1179 	if (dmaActive)
1180 		mvSataEnableChannelDma(pSataAdapter,channelIndex);
1181 	return ret;
1182 }
1183 
1184 int HPTLIBAPI fDeSetReadAhead(PDevice pDev, int enable)
1185 {
1186 	MV_SATA_CHANNEL *pSataChannel = pDev->mv;
1187 	MV_SATA_ADAPTER *pSataAdapter = pSataChannel->mvSataAdapter;
1188 	MV_U8 channelIndex = pSataChannel->channelNumber;
1189 	IAL_ADAPTER_T *pAdapter = pSataAdapter->IALData;
1190 	MV_CHANNEL		*channelInfo = &(pAdapter->mvChannel[channelIndex]);
1191 	int dmaActive = pSataChannel->queueCommandsEnabled;
1192 	int ret = 0;
1193 
1194 	if (dmaActive) {
1195 		mvSataDisableChannelDma(pSataAdapter, channelIndex);
1196 		mvSataFlushDmaQueue(pSataAdapter,channelIndex,MV_FLUSH_TYPE_CALLBACK);
1197 	}
1198 
1199 	if ((pSataChannel->identifyDevice[82] & (0x40))) {
1200 		if (enable) {
1201 			if (mvStorageDevATASetFeatures(pSataAdapter, channelIndex,
1202 				MV_ATA_SET_FEATURES_ENABLE_RLA, 0, 0, 0, 0))
1203 			{
1204 				channelInfo->readAheadEnabled = MV_TRUE;
1205 				ret = 1;
1206 			}
1207 		}
1208 		else {
1209 			if (mvStorageDevATASetFeatures(pSataAdapter, channelIndex,
1210 				MV_ATA_SET_FEATURES_DISABLE_RLA, 0, 0, 0, 0))
1211 			{
1212 				channelInfo->readAheadEnabled = MV_FALSE;
1213 				ret = 1;
1214 			}
1215 		}
1216 	}
1217 
1218 	if (dmaActive)
1219 		mvSataEnableChannelDma(pSataAdapter,channelIndex);
1220 	return ret;
1221 }
1222 
1223 #ifdef SUPPORT_ARRAY
1224 #define IdeRegisterVDevice  fCheckArray
1225 #else
1226 void
1227 IdeRegisterVDevice(PDevice pDev)
1228 {
1229 	PVDevice pVDev = Map2pVDevice(pDev);
1230 
1231 	pVDev->VDeviceType = pDev->df_atapi? VD_ATAPI :
1232 						 pDev->df_removable_drive? VD_REMOVABLE : VD_SINGLE_DISK;
1233 	pVDev->vf_online = 1;
1234 	pVDev->VDeviceCapacity = pDev->dDeRealCapacity;
1235 	pVDev->pfnSendCommand = pfnSendCommand[pVDev->VDeviceType];
1236 	pVDev->pfnDeviceFailed = pfnDeviceFailed[pVDev->VDeviceType];
1237 }
1238 #endif
1239 
1240 static __inline PBUS_DMAMAP
1241 dmamap_get(struct IALAdapter * pAdapter)
1242 {
1243 	PBUS_DMAMAP	p = pAdapter->pbus_dmamap_list;
1244 	if (p)
1245 		pAdapter->pbus_dmamap_list = p-> next;
1246 	return p;
1247 }
1248 
1249 static __inline void
1250 dmamap_put(PBUS_DMAMAP p)
1251 {
1252 	p->next = p->pAdapter->pbus_dmamap_list;
1253 	p->pAdapter->pbus_dmamap_list = p;
1254 }
1255 
1256 /*Since mtx not provide the initialize when declare, so we Final init here to initialize the global mtx*/
1257 #define override_kernel_driver()
1258 
1259 static void hpt_init(void *dummy)
1260 {
1261 	override_kernel_driver();
1262 	lockinit(&driver_lock, "hptsleeplock", 0, LK_CANRECURSE);
1263 }
1264 SYSINIT(hptinit, SI_SUB_CONFIGURE, SI_ORDER_FIRST, hpt_init, NULL);
1265 
1266 static int num_adapters = 0;
1267 static int
1268 init_adapter(IAL_ADAPTER_T *pAdapter)
1269 {
1270 	PVBus _vbus_p = &pAdapter->VBus;
1271 	MV_SATA_ADAPTER *pMvSataAdapter;
1272 	int i, channel, rid;
1273 
1274 	PVDevice pVDev;
1275 
1276 	lock_driver();
1277 
1278 	pAdapter->next = 0;
1279 
1280 	if(gIal_Adapter == NULL){
1281 		gIal_Adapter = pAdapter;
1282 		pCurAdapter = gIal_Adapter;
1283 	}
1284 	else {
1285 		pCurAdapter->next = pAdapter;
1286 		pCurAdapter = pAdapter;
1287 	}
1288 
1289 	pAdapter->outstandingCommands = 0;
1290 
1291 	pMvSataAdapter = &(pAdapter->mvSataAdapter);
1292 	_vbus_p->OsExt = (void *)pAdapter;
1293 	pMvSataAdapter->IALData = pAdapter;
1294 
1295 	if (bus_dma_tag_create(NULL,/* parent */
1296 			4,	/* alignment */
1297 			BUS_SPACE_MAXADDR_32BIT+1, /* boundary */
1298 			BUS_SPACE_MAXADDR,	/* lowaddr */
1299 			BUS_SPACE_MAXADDR,	/* highaddr */
1300 			NULL, NULL, 		/* filter, filterarg */
1301 			PAGE_SIZE * (MAX_SG_DESCRIPTORS-1), /* maxsize */
1302 			MAX_SG_DESCRIPTORS, /* nsegments */
1303 			0x10000,	/* maxsegsize */
1304 			BUS_DMA_WAITOK, 	/* flags */
1305 			&pAdapter->io_dma_parent /* tag */))
1306 		{
1307 			return ENXIO;
1308 	}
1309 
1310 
1311 	if (hptmv_allocate_edma_queues(pAdapter))
1312 	{
1313 		MV_ERROR("RR18xx: Failed to allocate memory for EDMA queues\n");
1314 		unlock_driver();
1315 		return ENOMEM;
1316 	}
1317 
1318 	/* also map EPROM address */
1319 	rid = 0x10;
1320 	if (!(pAdapter->mem_res = bus_alloc_resource(pAdapter->hpt_dev, SYS_RES_MEMORY, &rid,
1321 			0, ~0, MV_SATA_PCI_BAR0_SPACE_SIZE+0x40000, RF_ACTIVE))
1322 		||
1323 		!(pMvSataAdapter->adapterIoBaseAddress = rman_get_virtual(pAdapter->mem_res)))
1324 	{
1325 		MV_ERROR("RR18xx: Failed to remap memory space\n");
1326 		hptmv_free_edma_queues(pAdapter);
1327 		unlock_driver();
1328 		return ENXIO;
1329 	}
1330 	else
1331 	{
1332 		KdPrint(("RR18xx: io base address 0x%p\n", pMvSataAdapter->adapterIoBaseAddress));
1333 	}
1334 
1335 	pMvSataAdapter->adapterId = num_adapters++;
1336 	/* get the revision ID */
1337 	pMvSataAdapter->pciConfigRevisionId = pci_read_config(pAdapter->hpt_dev, PCIR_REVID, 1);
1338 	pMvSataAdapter->pciConfigDeviceId = pci_get_device(pAdapter->hpt_dev);
1339 
1340 	/* init RR18xx */
1341 	pMvSataAdapter->intCoalThre[0]= 1;
1342 	pMvSataAdapter->intCoalThre[1]= 1;
1343 	pMvSataAdapter->intTimeThre[0] = 1;
1344 	pMvSataAdapter->intTimeThre[1] = 1;
1345 	pMvSataAdapter->pciCommand = 0x0107E371;
1346 	pMvSataAdapter->pciSerrMask = 0xd77fe6ul;
1347 	pMvSataAdapter->pciInterruptMask = 0xd77fe6ul;
1348 	pMvSataAdapter->mvSataEventNotify = hptmv_event_notify;
1349 
1350 	if (mvSataInitAdapter(pMvSataAdapter) == MV_FALSE)
1351 	{
1352 		MV_ERROR("RR18xx[%d]: core failed to initialize the adapter\n",
1353 				 pMvSataAdapter->adapterId);
1354 unregister:
1355 		bus_release_resource(pAdapter->hpt_dev, SYS_RES_MEMORY, rid, pAdapter->mem_res);
1356 		hptmv_free_edma_queues(pAdapter);
1357 		unlock_driver();
1358 		return ENXIO;
1359 	}
1360 	pAdapter->ver_601 = pMvSataAdapter->pcbVersion;
1361 
1362 #ifndef FOR_DEMO
1363 	set_fail_leds(pMvSataAdapter, 0);
1364 #endif
1365 
1366 	/* setup command blocks */
1367 	KdPrint(("Allocate command blocks\n"));
1368 	_vbus_(pFreeCommands) = NULL;
1369 	pAdapter->pCommandBlocks =
1370 		kmalloc(sizeof(struct _Command) * MAX_COMMAND_BLOCKS_FOR_EACH_VBUS, M_DEVBUF, M_NOWAIT);
1371 	KdPrint(("pCommandBlocks:%p\n",pAdapter->pCommandBlocks));
1372 	if (!pAdapter->pCommandBlocks) {
1373 		MV_ERROR("insufficient memory\n");
1374 		goto unregister;
1375 	}
1376 
1377 	for (i=0; i<MAX_COMMAND_BLOCKS_FOR_EACH_VBUS; i++) {
1378 		FreeCommand(_VBUS_P &(pAdapter->pCommandBlocks[i]));
1379 	}
1380 
1381 	/*Set up the bus_dmamap*/
1382 	pAdapter->pbus_dmamap = (PBUS_DMAMAP)kmalloc (sizeof(struct _BUS_DMAMAP) * MAX_QUEUE_COMM, M_DEVBUF, M_NOWAIT);
1383 	if(!pAdapter->pbus_dmamap) {
1384 		MV_ERROR("insufficient memory\n");
1385 		kfree(pAdapter->pCommandBlocks, M_DEVBUF);
1386 		goto unregister;
1387 	}
1388 
1389 	memset((void *)pAdapter->pbus_dmamap, 0, sizeof(struct _BUS_DMAMAP) * MAX_QUEUE_COMM);
1390 	pAdapter->pbus_dmamap_list = 0;
1391 	for (i=0; i < MAX_QUEUE_COMM; i++) {
1392 		PBUS_DMAMAP  pmap = &(pAdapter->pbus_dmamap[i]);
1393 		pmap->pAdapter = pAdapter;
1394 		dmamap_put(pmap);
1395 
1396 		if(bus_dmamap_create(pAdapter->io_dma_parent, 0, &pmap->dma_map)) {
1397 			MV_ERROR("Can not allocate dma map\n");
1398 			kfree(pAdapter->pCommandBlocks, M_DEVBUF);
1399 			kfree(pAdapter->pbus_dmamap, M_DEVBUF);
1400 			goto unregister;
1401 		}
1402 	}
1403 	/* setup PRD Tables */
1404 	KdPrint(("Allocate PRD Tables\n"));
1405 	pAdapter->pFreePRDLink = 0;
1406 
1407 	pAdapter->prdTableAddr = (PUCHAR)contigmalloc(
1408 		(PRD_ENTRIES_SIZE*PRD_TABLES_FOR_VBUS + 32), M_DEVBUF, M_NOWAIT, 0, 0xffffffff, PAGE_SIZE, 0ul);
1409 
1410 	KdPrint(("prdTableAddr:%p\n",pAdapter->prdTableAddr));
1411 	if (!pAdapter->prdTableAddr) {
1412 		MV_ERROR("insufficient PRD Tables\n");
1413 		goto unregister;
1414 	}
1415 	pAdapter->prdTableAlignedAddr = (PUCHAR)(((ULONG_PTR)pAdapter->prdTableAddr + 0x1f) & ~(ULONG_PTR)0x1fL);
1416 	{
1417 		PUCHAR PRDTable = pAdapter->prdTableAlignedAddr;
1418 		for (i=0; i<PRD_TABLES_FOR_VBUS; i++)
1419 		{
1420 /*			KdPrint(("i=%d,pAdapter->pFreePRDLink=%p\n",i,pAdapter->pFreePRDLink)); */
1421 			FreePRDTable(pAdapter, PRDTable);
1422 			PRDTable += PRD_ENTRIES_SIZE;
1423 		}
1424 	}
1425 
1426 	/* enable the adapter interrupts */
1427 
1428 	/* configure and start the connected channels*/
1429 	for (channel = 0; channel < MV_SATA_CHANNELS_NUM; channel++)
1430 	{
1431 		pAdapter->mvChannel[channel].online = MV_FALSE;
1432 		if (mvSataIsStorageDeviceConnected(pMvSataAdapter, channel)
1433 			== MV_TRUE)
1434 		{
1435 			KdPrint(("RR18xx[%d]: channel %d is connected\n",
1436 					  pMvSataAdapter->adapterId, channel));
1437 
1438 			if (hptmv_init_channel(pAdapter, channel) == 0)
1439 			{
1440 				if (mvSataConfigureChannel(pMvSataAdapter, channel) == MV_FALSE)
1441 				{
1442 					MV_ERROR("RR18xx[%d]: Failed to configure channel"
1443 							 " %d\n",pMvSataAdapter->adapterId, channel);
1444 					hptmv_free_channel(pAdapter, channel);
1445 				}
1446 				else
1447 				{
1448 					if (start_channel(pAdapter, channel))
1449 					{
1450 						MV_ERROR("RR18xx[%d]: Failed to start channel,"
1451 								 " channel=%d\n",pMvSataAdapter->adapterId,
1452 								 channel);
1453 						hptmv_free_channel(pAdapter, channel);
1454 					}
1455 					pAdapter->mvChannel[channel].online = MV_TRUE;
1456 					/*  mvSataChannelSetEdmaLoopBackMode(pMvSataAdapter,
1457 													   channel,
1458 													   MV_TRUE);*/
1459 				}
1460 			}
1461 		}
1462 		KdPrint(("pAdapter->mvChannel[channel].online:%x, channel:%d\n",
1463 			pAdapter->mvChannel[channel].online, channel));
1464 	}
1465 
1466 #ifdef SUPPORT_ARRAY
1467 	for(i = MAX_ARRAY_DEVICE - 1; i >= 0; i--) {
1468 		pVDev = ArrayTables(i);
1469 		mArFreeArrayTable(pVDev);
1470 	}
1471 #endif
1472 
1473 	KdPrint(("Initialize Devices\n"));
1474 	for (channel = 0; channel < MV_SATA_CHANNELS_NUM; channel++) {
1475 		MV_SATA_CHANNEL *pMvSataChannel = pMvSataAdapter->sataChannel[channel];
1476 		if (pMvSataChannel) {
1477 			init_vdev_params(pAdapter, channel);
1478 			IdeRegisterVDevice(&pAdapter->VDevices[channel].u.disk);
1479 		}
1480 	}
1481 #ifdef SUPPORT_ARRAY
1482 	CheckArrayCritical(_VBUS_P0);
1483 #endif
1484 	_vbus_p->nInstances = 1;
1485 	fRegisterVdevice(pAdapter);
1486 
1487 	for (channel=0;channel<MV_SATA_CHANNELS_NUM;channel++) {
1488 		pVDev = _vbus_p->pVDevice[channel];
1489 		if (pVDev && pVDev->vf_online)
1490 			fCheckBootable(pVDev);
1491 	}
1492 
1493 #if defined(SUPPORT_ARRAY) && defined(_RAID5N_)
1494 	init_raid5_memory(_VBUS_P0);
1495 	_vbus_(r5).enable_write_back = 1;
1496 	kprintf("RR18xx: RAID5 write-back %s\n", _vbus_(r5).enable_write_back? "enabled" : "disabled");
1497 #endif
1498 
1499 	mvSataUnmaskAdapterInterrupt(pMvSataAdapter);
1500 	unlock_driver();
1501 	return 0;
1502 }
1503 
1504 int
1505 MvSataResetChannel(MV_SATA_ADAPTER *pMvSataAdapter, MV_U8 channel)
1506 {
1507 	IAL_ADAPTER_T   *pAdapter = (IAL_ADAPTER_T *)pMvSataAdapter->IALData;
1508 
1509 	mvSataDisableChannelDma(pMvSataAdapter, channel);
1510 	/* Flush pending commands */
1511 	mvSataFlushDmaQueue (pMvSataAdapter, channel, MV_FLUSH_TYPE_CALLBACK);
1512 
1513 	/* Software reset channel */
1514 	if (mvStorageDevATASoftResetDevice(pMvSataAdapter, channel) == MV_FALSE)
1515 	{
1516 		MV_ERROR("RR18xx [%d,%d]: failed to perform Software reset\n",
1517 				 pMvSataAdapter->adapterId, channel);
1518 		hptmv_free_channel(pAdapter, channel);
1519 		return -1;
1520 	}
1521 
1522 	/* Hardware reset channel */
1523 	if (mvSataChannelHardReset(pMvSataAdapter, channel)== MV_FALSE)
1524 	{
1525 		MV_ERROR("RR18xx [%d,%d] Failed to Hard reser the SATA channel\n",
1526 				 pMvSataAdapter->adapterId, channel);
1527 		hptmv_free_channel(pAdapter, channel);
1528 		return -1;
1529 	}
1530 
1531 	if (mvSataIsStorageDeviceConnected(pMvSataAdapter, channel) == MV_FALSE)
1532 	{
1533 		 MV_ERROR("RR18xx [%d,%d] Failed to Connect Device\n",
1534 				 pMvSataAdapter->adapterId, channel);
1535 		hptmv_free_channel(pAdapter, channel);
1536 		return -1;
1537 	}else
1538 	{
1539 		MV_ERROR("channel %d: perform recalibrate command", channel);
1540 		if (!mvStorageDevATAExecuteNonUDMACommand(pMvSataAdapter, channel,
1541 								MV_NON_UDMA_PROTOCOL_NON_DATA,
1542 								MV_FALSE,
1543 								NULL,	 /* pBuffer*/
1544 								0,		 /* count  */
1545 								0,		/*features*/
1546 										/* sectorCount */
1547 								0,
1548 								0,	/* lbaLow */
1549 								0,	/* lbaMid */
1550 									/* lbaHigh */
1551 								0,
1552 								0,		/* device */
1553 										/* command */
1554 								0x10))
1555 			MV_ERROR("channel %d: recalibrate failed", channel);
1556 
1557 		/* Set transfer mode */
1558 		if((mvStorageDevATASetFeatures(pMvSataAdapter, channel,
1559 						MV_ATA_SET_FEATURES_TRANSFER,
1560 						MV_ATA_TRANSFER_PIO_SLOW, 0, 0, 0) == MV_FALSE) ||
1561 			(mvStorageDevATASetFeatures(pMvSataAdapter, channel,
1562 						MV_ATA_SET_FEATURES_TRANSFER,
1563 						pAdapter->mvChannel[channel].maxPioModeSupported, 0, 0, 0) == MV_FALSE) ||
1564 			(mvStorageDevATASetFeatures(pMvSataAdapter, channel,
1565 						MV_ATA_SET_FEATURES_TRANSFER,
1566 						pAdapter->mvChannel[channel].maxUltraDmaModeSupported, 0, 0, 0) == MV_FALSE) )
1567 		{
1568 			MV_ERROR("channel %d: Set Features failed", channel);
1569 			hptmv_free_channel(pAdapter, channel);
1570 			return -1;
1571 		}
1572 		/* Enable EDMA */
1573 		if (mvSataEnableChannelDma(pMvSataAdapter, channel) == MV_FALSE)
1574 		{
1575 			MV_ERROR("Failed to enable DMA, channel=%d", channel);
1576 			hptmv_free_channel(pAdapter, channel);
1577 			return -1;
1578 		}
1579 	}
1580 	return 0;
1581 }
1582 
1583 static int
1584 fResetActiveCommands(PVBus _vbus_p)
1585 {
1586 	MV_SATA_ADAPTER *pMvSataAdapter = &((IAL_ADAPTER_T *)_vbus_p->OsExt)->mvSataAdapter;
1587 	MV_U8 channel;
1588 	for (channel=0;channel< MV_SATA_CHANNELS_NUM;channel++) {
1589 		if (pMvSataAdapter->sataChannel[channel] && pMvSataAdapter->sataChannel[channel]->outstandingCommands)
1590 			MvSataResetChannel(pMvSataAdapter,channel);
1591 	}
1592 	return 0;
1593 }
1594 
1595 void fCompleteAllCommandsSynchronously(PVBus _vbus_p)
1596 {
1597 	UINT cont;
1598 	ULONG ticks = 0;
1599 	MV_U8 channel;
1600 	MV_SATA_ADAPTER *pMvSataAdapter = &((IAL_ADAPTER_T *)_vbus_p->OsExt)->mvSataAdapter;
1601 	MV_SATA_CHANNEL *pMvSataChannel;
1602 
1603 	do {
1604 check_cmds:
1605 		cont = 0;
1606 		CheckPendingCall(_VBUS_P0);
1607 #ifdef _RAID5N_
1608 		dataxfer_poll();
1609 		xor_poll();
1610 #endif
1611 		for (channel=0;channel< MV_SATA_CHANNELS_NUM;channel++) {
1612 			pMvSataChannel = pMvSataAdapter->sataChannel[channel];
1613 			if (pMvSataChannel && pMvSataChannel->outstandingCommands)
1614 			{
1615 				while (pMvSataChannel->outstandingCommands) {
1616 					if (!mvSataInterruptServiceRoutine(pMvSataAdapter)) {
1617 						StallExec(1000);
1618 						if (ticks++ > 3000) {
1619 							MvSataResetChannel(pMvSataAdapter,channel);
1620 							goto check_cmds;
1621 						}
1622 					}
1623 					else
1624 						ticks = 0;
1625 				}
1626 				cont = 1;
1627 			}
1628 		}
1629 	} while (cont);
1630 }
1631 
1632 void
1633 fResetVBus(_VBUS_ARG0)
1634 {
1635 	KdPrint(("fMvResetBus(%p)", _vbus_p));
1636 
1637 	/* some commands may already finished. */
1638 	CheckPendingCall(_VBUS_P0);
1639 
1640 	fResetActiveCommands(_vbus_p);
1641 	/*
1642 	 * the other pending commands may still be finished successfully.
1643 	 */
1644 	fCompleteAllCommandsSynchronously(_vbus_p);
1645 
1646 	/* Now there should be no pending commands. No more action needed. */
1647 	CheckIdleCall(_VBUS_P0);
1648 
1649 	KdPrint(("fMvResetBus() done"));
1650 }
1651 
1652 /*No rescan function*/
1653 void
1654 fRescanAllDevice(_VBUS_ARG0)
1655 {
1656 }
1657 
1658 static MV_BOOLEAN
1659 CommandCompletionCB(MV_SATA_ADAPTER *pMvSataAdapter,
1660 					MV_U8 channelNum,
1661 					MV_COMPLETION_TYPE comp_type,
1662 					MV_VOID_PTR commandId,
1663 					MV_U16 responseFlags,
1664 					MV_U32 timeStamp,
1665 					MV_STORAGE_DEVICE_REGISTERS *registerStruct)
1666 {
1667 	PCommand pCmd = (PCommand) commandId;
1668 	_VBUS_INST(pCmd->pVDevice->pVBus)
1669 
1670 	if (pCmd->uScratch.sata_param.prdAddr)
1671 		FreePRDTable(pMvSataAdapter->IALData,pCmd->uScratch.sata_param.prdAddr);
1672 
1673 	switch (comp_type)
1674 	{
1675 	case MV_COMPLETION_TYPE_NORMAL:
1676 		pCmd->Result = RETURN_SUCCESS;
1677 		break;
1678 	case MV_COMPLETION_TYPE_ABORT:
1679 		pCmd->Result = RETURN_BUS_RESET;
1680 		break;
1681 	case MV_COMPLETION_TYPE_ERROR:
1682 		 MV_ERROR("IAL: COMPLETION ERROR, adapter %d, channel %d, flags=%x\n",
1683 				 pMvSataAdapter->adapterId, channelNum, responseFlags);
1684 
1685 		if (responseFlags & 4) {
1686 			MV_ERROR("ATA regs: error %x, sector count %x, LBA low %x, LBA mid %x,"
1687 				" LBA high %x, device %x, status %x\n",
1688 				registerStruct->errorRegister,
1689 				registerStruct->sectorCountRegister,
1690 				registerStruct->lbaLowRegister,
1691 				registerStruct->lbaMidRegister,
1692 				registerStruct->lbaHighRegister,
1693 				registerStruct->deviceRegister,
1694 				registerStruct->statusRegister);
1695 		}
1696 		/*We can't do handleEdmaError directly here, because CommandCompletionCB is called by
1697 		 * mv's ISR, if we retry the command, than the internel data structure may be destroyed*/
1698 		pCmd->uScratch.sata_param.responseFlags = responseFlags;
1699 		pCmd->uScratch.sata_param.bIdeStatus = registerStruct->statusRegister;
1700 		pCmd->uScratch.sata_param.errorRegister = registerStruct->errorRegister;
1701 		pCmd->pVDevice->u.disk.QueueLength--;
1702 		CallAfterReturn(_VBUS_P (DPC_PROC)handleEdmaError,pCmd);
1703 		return TRUE;
1704 
1705 	default:
1706 		MV_ERROR(" Unknown completion type (%d)\n", comp_type);
1707 		return MV_FALSE;
1708 	}
1709 
1710 	if (pCmd->uCmd.Ide.Command == IDE_COMMAND_VERIFY && pCmd->uScratch.sata_param.cmd_priv > 1) {
1711 		pCmd->uScratch.sata_param.cmd_priv --;
1712 		return TRUE;
1713 	}
1714 	pCmd->pVDevice->u.disk.QueueLength--;
1715 	CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1716 	return TRUE;
1717 }
1718 
1719 void
1720 fDeviceSendCommand(_VBUS_ARG PCommand pCmd)
1721 {
1722 	MV_SATA_EDMA_PRD_ENTRY  *pPRDTable = NULL;
1723 	MV_SATA_ADAPTER *pMvSataAdapter;
1724 	MV_SATA_CHANNEL *pMvSataChannel;
1725 	PVDevice pVDevice = pCmd->pVDevice;
1726 	PDevice  pDevice = &pVDevice->u.disk;
1727 	LBA_T    Lba = pCmd->uCmd.Ide.Lba;
1728 	USHORT   nSector = pCmd->uCmd.Ide.nSectors;
1729 
1730 	MV_QUEUE_COMMAND_RESULT result;
1731 	MV_QUEUE_COMMAND_INFO commandInfo;
1732 	MV_UDMA_COMMAND_PARAMS  *pUdmaParams = &commandInfo.commandParams.udmaCommand;
1733 	MV_NONE_UDMA_COMMAND_PARAMS *pNoUdmaParams = &commandInfo.commandParams.NoneUdmaCommand;
1734 
1735 	MV_BOOLEAN is48bit;
1736 	MV_U8      channel;
1737 	int        i=0;
1738 
1739 	DECLARE_BUFFER(FPSCAT_GATH, tmpSg);
1740 
1741 	if (!pDevice->df_on_line) {
1742 		MV_ERROR("Device is offline");
1743 		pCmd->Result = RETURN_BAD_DEVICE;
1744 		CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1745 		return;
1746 	}
1747 
1748 	pDevice->HeadPosition = pCmd->uCmd.Ide.Lba + pCmd->uCmd.Ide.nSectors;
1749 	pMvSataChannel = pDevice->mv;
1750 	pMvSataAdapter = pMvSataChannel->mvSataAdapter;
1751 	channel = pMvSataChannel->channelNumber;
1752 
1753 	/* old RAID0 has hidden lba. Remember to clear dDeHiddenLba when delete array! */
1754 	Lba += pDevice->dDeHiddenLba;
1755 	/* check LBA */
1756 	if (Lba+nSector-1 > pDevice->dDeRealCapacity) {
1757 		pCmd->Result = RETURN_INVALID_REQUEST;
1758 		CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1759 		return;
1760 	}
1761 
1762 	/*
1763 	 * always use 48bit LBA if drive supports it.
1764 	 * Some Seagate drives report error if you use a 28-bit command
1765 	 * to access sector 0xfffffff.
1766 	 */
1767 	is48bit = pMvSataChannel->lba48Address;
1768 
1769 	switch (pCmd->uCmd.Ide.Command)
1770 	{
1771 	case IDE_COMMAND_READ:
1772 	case IDE_COMMAND_WRITE:
1773 		if (pDevice->bDeModeSetting<8) goto pio;
1774 
1775 		commandInfo.type = MV_QUEUED_COMMAND_TYPE_UDMA;
1776 		pUdmaParams->isEXT = is48bit;
1777 		pUdmaParams->numOfSectors = nSector;
1778 		pUdmaParams->lowLBAAddress = Lba;
1779 		pUdmaParams->highLBAAddress = 0;
1780 		pUdmaParams->prdHighAddr = 0;
1781 		pUdmaParams->callBack = CommandCompletionCB;
1782 		pUdmaParams->commandId = (MV_VOID_PTR )pCmd;
1783 		if(pCmd->uCmd.Ide.Command == IDE_COMMAND_READ)
1784 			pUdmaParams->readWrite = MV_UDMA_TYPE_READ;
1785 		else
1786 			pUdmaParams->readWrite = MV_UDMA_TYPE_WRITE;
1787 
1788 		if (pCmd->pSgTable && pCmd->cf_physical_sg) {
1789 			FPSCAT_GATH sg1=tmpSg, sg2=pCmd->pSgTable;
1790 			do { *sg1++=*sg2; } while ((sg2++->wSgFlag & SG_FLAG_EOT)==0);
1791 		}
1792 		else {
1793 			if (!pCmd->pfnBuildSgl || !pCmd->pfnBuildSgl(_VBUS_P pCmd, tmpSg, 0)) {
1794 pio:
1795 				mvSataDisableChannelDma(pMvSataAdapter, channel);
1796 				mvSataFlushDmaQueue(pMvSataAdapter, channel, MV_FLUSH_TYPE_CALLBACK);
1797 
1798 				if (pCmd->pSgTable && pCmd->cf_physical_sg==0) {
1799 					FPSCAT_GATH sg1=tmpSg, sg2=pCmd->pSgTable;
1800 					do { *sg1++=*sg2; } while ((sg2++->wSgFlag & SG_FLAG_EOT)==0);
1801 				}
1802 				else {
1803 					if (!pCmd->pfnBuildSgl || !pCmd->pfnBuildSgl(_VBUS_P pCmd, tmpSg, 1)) {
1804 						pCmd->Result = RETURN_NEED_LOGICAL_SG;
1805 						goto finish_cmd;
1806 					}
1807 				}
1808 
1809 				do {
1810 					ULONG size = tmpSg->wSgSize? tmpSg->wSgSize : 0x10000;
1811 					ULONG_PTR addr = tmpSg->dSgAddress;
1812 					if (size & 0x1ff) {
1813 						pCmd->Result = RETURN_INVALID_REQUEST;
1814 						goto finish_cmd;
1815 					}
1816 					if (mvStorageDevATAExecuteNonUDMACommand(pMvSataAdapter, channel,
1817 						(pCmd->cf_data_out)?MV_NON_UDMA_PROTOCOL_PIO_DATA_OUT:MV_NON_UDMA_PROTOCOL_PIO_DATA_IN,
1818 						is48bit,
1819 						(MV_U16_PTR)addr,
1820 						size >> 1,	/* count       */
1821 						0,		/* features  N/A  */
1822 						(MV_U16)(size>>9),	/*sector count*/
1823 						(MV_U16)(  (is48bit? (MV_U16)((Lba >> 16) & 0xFF00) : 0 )  | (UCHAR)(Lba & 0xFF) ), /*lbalow*/
1824 						(MV_U16)((Lba >> 8) & 0xFF), /* lbaMid      */
1825 						(MV_U16)((Lba >> 16) & 0xFF),/* lbaHigh     */
1826 						(MV_U8)(0x40 | (is48bit ? 0 : (UCHAR)(Lba >> 24) & 0xFF )),/* device      */
1827 						(MV_U8)(is48bit ? (pCmd->cf_data_in?IDE_COMMAND_READ_EXT:IDE_COMMAND_WRITE_EXT):pCmd->uCmd.Ide.Command)
1828 					)==MV_FALSE)
1829 					{
1830 						pCmd->Result = RETURN_IDE_ERROR;
1831 						goto finish_cmd;
1832 					}
1833 					Lba += size>>9;
1834 					if(Lba & 0xF0000000) is48bit = MV_TRUE;
1835 				}
1836 				while ((tmpSg++->wSgFlag & SG_FLAG_EOT)==0);
1837 				pCmd->Result = RETURN_SUCCESS;
1838 finish_cmd:
1839 				mvSataEnableChannelDma(pMvSataAdapter,channel);
1840 				CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1841 				return;
1842 			}
1843 		}
1844 
1845 		pPRDTable = (MV_SATA_EDMA_PRD_ENTRY *) AllocatePRDTable(pMvSataAdapter->IALData);
1846 		KdPrint(("pPRDTable:%p\n",pPRDTable));
1847 		if (!pPRDTable) {
1848 			pCmd->Result = RETURN_DEVICE_BUSY;
1849 			CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1850 			HPT_ASSERT(0);
1851 			return;
1852 		}
1853 
1854 		do{
1855 			pPRDTable[i].highBaseAddr = (sizeof(tmpSg->dSgAddress)>4 ? (MV_U32)(tmpSg->dSgAddress>>32) : 0);
1856 			pPRDTable[i].flags = (MV_U16)tmpSg->wSgFlag;
1857 			pPRDTable[i].byteCount = (MV_U16)tmpSg->wSgSize;
1858 			pPRDTable[i].lowBaseAddr = (MV_U32)tmpSg->dSgAddress;
1859 			pPRDTable[i].reserved = 0;
1860 			i++;
1861 		}while((tmpSg++->wSgFlag & SG_FLAG_EOT)==0);
1862 
1863 		pUdmaParams->prdLowAddr = (ULONG)fOsPhysicalAddress(pPRDTable);
1864 		if ((pUdmaParams->numOfSectors == 256) && (pMvSataChannel->lba48Address == MV_FALSE)) {
1865 			pUdmaParams->numOfSectors = 0;
1866 		}
1867 
1868 		pCmd->uScratch.sata_param.prdAddr = (PVOID)pPRDTable;
1869 
1870 		result = mvSataQueueCommand(pMvSataAdapter, channel, &commandInfo);
1871 
1872 		if (result != MV_QUEUE_COMMAND_RESULT_OK)
1873 		{
1874 queue_failed:
1875 			switch (result)
1876 			{
1877 			case MV_QUEUE_COMMAND_RESULT_BAD_LBA_ADDRESS:
1878 				MV_ERROR("IAL Error: Edma Queue command failed. Bad LBA "
1879 						 "LBA[31:0](0x%08x)\n", pUdmaParams->lowLBAAddress);
1880 				pCmd->Result = RETURN_IDE_ERROR;
1881 				break;
1882 			case MV_QUEUE_COMMAND_RESULT_QUEUED_MODE_DISABLED:
1883 				MV_ERROR("IAL Error: Edma Queue command failed. EDMA"
1884 						 " disabled adapter %d channel %d\n",
1885 						 pMvSataAdapter->adapterId, channel);
1886 				mvSataEnableChannelDma(pMvSataAdapter,channel);
1887 				pCmd->Result = RETURN_IDE_ERROR;
1888 				break;
1889 			case MV_QUEUE_COMMAND_RESULT_FULL:
1890 				MV_ERROR("IAL Error: Edma Queue command failed. Queue is"
1891 						 " Full adapter %d channel %d\n",
1892 						 pMvSataAdapter->adapterId, channel);
1893 				pCmd->Result = RETURN_DEVICE_BUSY;
1894 				break;
1895 			case MV_QUEUE_COMMAND_RESULT_BAD_PARAMS:
1896 				MV_ERROR("IAL Error: Edma Queue command failed. (Bad "
1897 						 "Params), pMvSataAdapter: %p,  pSataChannel: %p.\n",
1898 						 pMvSataAdapter, pMvSataAdapter->sataChannel[channel]);
1899 				pCmd->Result = RETURN_IDE_ERROR;
1900 				break;
1901 			default:
1902 				MV_ERROR("IAL Error: Bad result value (%d) from queue"
1903 						 " command\n", result);
1904 				pCmd->Result = RETURN_IDE_ERROR;
1905 			}
1906 			if(pPRDTable)
1907 				FreePRDTable(pMvSataAdapter->IALData,pPRDTable);
1908 			CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1909 		}
1910 		pDevice->QueueLength++;
1911 		return;
1912 
1913 	case IDE_COMMAND_VERIFY:
1914 		commandInfo.type = MV_QUEUED_COMMAND_TYPE_NONE_UDMA;
1915 		pNoUdmaParams->bufPtr = NULL;
1916 		pNoUdmaParams->callBack = CommandCompletionCB;
1917 		pNoUdmaParams->commandId = (MV_VOID_PTR)pCmd;
1918 		pNoUdmaParams->count = 0;
1919 		pNoUdmaParams->features = 0;
1920 		pNoUdmaParams->protocolType = MV_NON_UDMA_PROTOCOL_NON_DATA;
1921 
1922 		pCmd->uScratch.sata_param.cmd_priv = 1;
1923 		if (pMvSataChannel->lba48Address == MV_TRUE){
1924 			pNoUdmaParams->command = MV_ATA_COMMAND_READ_VERIFY_SECTORS_EXT;
1925 			pNoUdmaParams->isEXT = MV_TRUE;
1926 			pNoUdmaParams->lbaHigh = (MV_U16)((Lba & 0xff0000) >> 16);
1927 			pNoUdmaParams->lbaMid = (MV_U16)((Lba & 0xff00) >> 8);
1928 			pNoUdmaParams->lbaLow =
1929 				(MV_U16)(((Lba & 0xff000000) >> 16)| (Lba & 0xff));
1930 			pNoUdmaParams->sectorCount = nSector;
1931 			pNoUdmaParams->device = 0x40;
1932 			result = mvSataQueueCommand(pMvSataAdapter, channel, &commandInfo);
1933 			if (result != MV_QUEUE_COMMAND_RESULT_OK){
1934 				goto queue_failed;
1935 			}
1936 			return;
1937 		}
1938 		else{
1939 			pNoUdmaParams->command = MV_ATA_COMMAND_READ_VERIFY_SECTORS;
1940 			pNoUdmaParams->isEXT = MV_FALSE;
1941 			pNoUdmaParams->lbaHigh = (MV_U16)((Lba & 0xff0000) >> 16);
1942 			pNoUdmaParams->lbaMid = (MV_U16)((Lba & 0xff00) >> 8);
1943 			pNoUdmaParams->lbaLow = (MV_U16)(Lba & 0xff);
1944 			pNoUdmaParams->sectorCount = 0xff & nSector;
1945 			pNoUdmaParams->device = (MV_U8)(0x40 |
1946 				((Lba & 0xf000000) >> 24));
1947 			pNoUdmaParams->callBack = CommandCompletionCB;
1948 			result = mvSataQueueCommand(pMvSataAdapter, channel, &commandInfo);
1949 			/*FIXME: how about the commands already queued? but marvel also forgets to consider this*/
1950 			if (result != MV_QUEUE_COMMAND_RESULT_OK){
1951 				goto queue_failed;
1952 			}
1953 		}
1954 		break;
1955 	default:
1956 		pCmd->Result = RETURN_INVALID_REQUEST;
1957 		CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1958 		break;
1959 	}
1960 }
1961 
1962 /**********************************************************
1963  *
1964  *	Probe the hostadapter.
1965  *
1966  **********************************************************/
1967 static int
1968 hpt_probe(device_t dev)
1969 {
1970 	if ((pci_get_vendor(dev) == MV_SATA_VENDOR_ID) &&
1971 		(pci_get_device(dev) == MV_SATA_DEVICE_ID_5081
1972 #ifdef FOR_DEMO
1973 		|| pci_get_device(dev) == MV_SATA_DEVICE_ID_5080
1974 #endif
1975 		))
1976 	{
1977 		KdPrintI((CONTROLLER_NAME " found\n"));
1978 		device_set_desc(dev, CONTROLLER_NAME);
1979 		return 0;
1980 	}
1981 	else
1982 		return(ENXIO);
1983 }
1984 
1985 /***********************************************************
1986  *
1987  *      Auto configuration:  attach and init a host adapter.
1988  *
1989  ***********************************************************/
1990 static int
1991 hpt_attach(device_t dev)
1992 {
1993 	IAL_ADAPTER_T * pAdapter = device_get_softc(dev);
1994 	int rid;
1995 	union ccb *ccb;
1996 	struct cam_devq *devq;
1997 	struct cam_sim *hpt_vsim;
1998 
1999 	kprintf("%s Version %s \n", DRIVER_NAME, DRIVER_VERSION);
2000 
2001 	if (!pAdapter)
2002 	{
2003 		pAdapter = (IAL_ADAPTER_T *)kmalloc(sizeof (IAL_ADAPTER_T), M_DEVBUF, M_NOWAIT);
2004 		device_set_softc(dev, (void *)pAdapter);
2005 	}
2006 
2007 	if (!pAdapter) return (ENOMEM);
2008 	bzero(pAdapter, sizeof(IAL_ADAPTER_T));
2009 
2010 	pAdapter->hpt_dev = dev;
2011 
2012 	rid = init_adapter(pAdapter);
2013 	if (rid)
2014 		return rid;
2015 
2016 	rid = 0;
2017 	if ((pAdapter->hpt_irq = bus_alloc_resource(pAdapter->hpt_dev, SYS_RES_IRQ, &rid, 0, ~0ul, 1, RF_SHAREABLE | RF_ACTIVE)) == NULL)
2018 	{
2019 		hpt_printk(("can't allocate interrupt\n"));
2020 		return(ENXIO);
2021 	}
2022 
2023 	if (bus_setup_intr(pAdapter->hpt_dev, pAdapter->hpt_irq, 0,
2024 				hpt_intr, pAdapter, &pAdapter->hpt_intr, NULL))
2025 	{
2026 		hpt_printk(("can't set up interrupt\n"));
2027 		kfree(pAdapter, M_DEVBUF);
2028 		return(ENXIO);
2029 	}
2030 
2031 	ccb = xpt_alloc_ccb();
2032 	ccb->ccb_h.pinfo.priority = 1;
2033 	ccb->ccb_h.pinfo.index = CAM_UNQUEUED_INDEX;
2034 
2035 	/*
2036 	 * Create the device queue for our SIM(s).
2037 	 */
2038 	if((devq = cam_simq_alloc(8/*MAX_QUEUE_COMM*/)) == NULL)
2039 	{
2040 		KdPrint(("ENXIO\n"));
2041 		return ENOMEM;
2042 	}
2043 
2044 	/*
2045 	 * Construct our SIM entry
2046 	 */
2047 	hpt_vsim = cam_sim_alloc(hpt_action, hpt_poll, __str(PROC_DIR_NAME),
2048 			pAdapter, device_get_unit(pAdapter->hpt_dev), &sim_mplock, 1, 8, devq);
2049 	cam_simq_release(devq);
2050 	if (hpt_vsim == NULL) {
2051 		return ENOMEM;
2052 	}
2053 
2054 	if (xpt_bus_register(hpt_vsim, 0) != CAM_SUCCESS)
2055 	{
2056 		cam_sim_free(hpt_vsim);
2057 		hpt_vsim = NULL;
2058 		return ENXIO;
2059 	}
2060 
2061 	if(xpt_create_path(&pAdapter->path, /*periph */ NULL,
2062 			cam_sim_path(hpt_vsim), CAM_TARGET_WILDCARD,
2063 			CAM_LUN_WILDCARD) != CAM_REQ_CMP)
2064 	{
2065 		xpt_bus_deregister(cam_sim_path(hpt_vsim));
2066 		cam_sim_free(hpt_vsim);
2067 		hpt_vsim = NULL;
2068 		return ENXIO;
2069 	}
2070 
2071 	xpt_setup_ccb(&ccb->ccb_h, pAdapter->path, /*priority*/5);
2072 	ccb->ccb_h.func_code = XPT_SASYNC_CB;
2073 	ccb->csa.event_enable = AC_LOST_DEVICE;
2074 	ccb->csa.callback = hpt_async;
2075 	ccb->csa.callback_arg = hpt_vsim;
2076 	xpt_action(ccb);
2077 	xpt_free_ccb(&ccb->ccb_h);
2078 
2079 	callout_init(&pAdapter->event_timer_connect);
2080 	callout_init(&pAdapter->event_timer_disconnect);
2081 
2082 	if (device_get_unit(dev) == 0) {
2083 		/* Start the work thread.  XXX */
2084 		launch_worker_thread();
2085 
2086 		/*
2087 		 * hpt_worker_thread needs to be suspended after shutdown
2088 		 * sync, when fs sync finished.
2089 		 */
2090 		pAdapter->eh = EVENTHANDLER_REGISTER(shutdown_post_sync,
2091 		    shutdown_kproc, hptdaemonproc, SHUTDOWN_PRI_FIRST);
2092 	}
2093 
2094 	return 0;
2095 }
2096 
2097 static int
2098 hpt_detach(device_t dev)
2099 {
2100 	return (EBUSY);
2101 }
2102 
2103 
2104 /***************************************************************
2105  * The poll function is used to simulate the interrupt when
2106  * the interrupt subsystem is not functioning.
2107  *
2108  ***************************************************************/
2109 static void
2110 hpt_poll(struct cam_sim *sim)
2111 {
2112 	hpt_intr((void *)cam_sim_softc(sim));
2113 }
2114 
2115 /****************************************************************
2116  *	Name:	hpt_intr
2117  *	Description:	Interrupt handler.
2118  ****************************************************************/
2119 static void
2120 hpt_intr(void *arg)
2121 {
2122 	IAL_ADAPTER_T *pAdapter = (IAL_ADAPTER_T *)arg;
2123 
2124 	lock_driver();
2125 	/* KdPrintI(("----- Entering Isr() -----\n")); */
2126 	if (mvSataInterruptServiceRoutine(&pAdapter->mvSataAdapter) == MV_TRUE)
2127 	{
2128 		_VBUS_INST(&pAdapter->VBus)
2129 		CheckPendingCall(_VBUS_P0);
2130 	}
2131 
2132 	/* KdPrintI(("----- Leaving Isr() -----\n")); */
2133 	unlock_driver();
2134 }
2135 
2136 /**********************************************************
2137  * 			Asynchronous Events
2138  *********************************************************/
2139 #if (!defined(UNREFERENCED_PARAMETER))
2140 #define UNREFERENCED_PARAMETER(x) (void)(x)
2141 #endif
2142 
2143 static void
2144 hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path,
2145     void * arg)
2146 {
2147 	/* debug XXXX */
2148 	panic("Here");
2149 	UNREFERENCED_PARAMETER(callback_arg);
2150 	UNREFERENCED_PARAMETER(code);
2151 	UNREFERENCED_PARAMETER(path);
2152 	UNREFERENCED_PARAMETER(arg);
2153 
2154 }
2155 
2156 static void
2157 FlushAdapter(IAL_ADAPTER_T *pAdapter)
2158 {
2159 	int i;
2160 
2161 	hpt_printk(("flush all devices\n"));
2162 
2163 	/* flush all devices */
2164 	for (i=0; i<MAX_VDEVICE_PER_VBUS; i++) {
2165 		PVDevice pVDev = pAdapter->VBus.pVDevice[i];
2166 		if(pVDev) fFlushVDev(pVDev);
2167 	}
2168 }
2169 
2170 static int
2171 hpt_shutdown(device_t dev)
2172 {
2173 		IAL_ADAPTER_T *pAdapter;
2174 
2175 		pAdapter = device_get_softc(dev);
2176 		if (pAdapter == NULL)
2177 			return (EINVAL);
2178 
2179 		EVENTHANDLER_DEREGISTER(shutdown_post_sync, pAdapter->eh);
2180 		FlushAdapter(pAdapter);
2181 		  /* give the flush some time to happen,
2182 		    *otherwise "shutdown -p now" will make file system corrupted */
2183 		DELAY(1000 * 1000 * 5);
2184 		return 0;
2185 }
2186 
2187 void
2188 Check_Idle_Call(IAL_ADAPTER_T *pAdapter)
2189 {
2190 	_VBUS_INST(&pAdapter->VBus)
2191 
2192 	if (mWaitingForIdle(_VBUS_P0)) {
2193 		CheckIdleCall(_VBUS_P0);
2194 #ifdef SUPPORT_ARRAY
2195 		{
2196 			int i;
2197 			PVDevice pArray;
2198 			for(i = 0; i < MAX_ARRAY_PER_VBUS; i++){
2199 				if ((pArray=ArrayTables(i))->u.array.dArStamp==0)
2200 					continue;
2201 				else if (pArray->u.array.rf_auto_rebuild) {
2202 						KdPrint(("auto rebuild.\n"));
2203 						pArray->u.array.rf_auto_rebuild = 0;
2204 						hpt_queue_dpc((HPT_DPC)hpt_rebuild_data_block, pAdapter, pArray, DUPLICATE);
2205 				}
2206 			}
2207 		}
2208 #endif
2209 	}
2210 	/* launch the awaiting commands blocked by mWaitingForIdle */
2211 	while(pAdapter->pending_Q!= NULL)
2212 	{
2213 		_VBUS_INST(&pAdapter->VBus)
2214 		union ccb *ccb = (union ccb *)pAdapter->pending_Q->ccb_h.ccb_ccb_ptr;
2215 		hpt_free_ccb(&pAdapter->pending_Q, ccb);
2216 		CallAfterReturn(_VBUS_P (DPC_PROC)OsSendCommand, ccb);
2217 	}
2218 }
2219 
2220 static void
2221 ccb_done(union ccb *ccb)
2222 {
2223 	PBUS_DMAMAP pmap = (PBUS_DMAMAP)ccb->ccb_adapter;
2224 	IAL_ADAPTER_T * pAdapter = pmap->pAdapter;
2225 	KdPrintI(("ccb_done: ccb %p status %x\n", ccb, ccb->ccb_h.status));
2226 
2227 	dmamap_put(pmap);
2228 	xpt_done(ccb);
2229 
2230 	pAdapter->outstandingCommands--;
2231 
2232 	if (pAdapter->outstandingCommands == 0)
2233 	{
2234 		if(DPC_Request_Nums == 0)
2235 			Check_Idle_Call(pAdapter);
2236 	}
2237 }
2238 
2239 /****************************************************************
2240  *	Name:	hpt_action
2241  *	Description:	Process a queued command from the CAM layer.
2242  *	Parameters:		sim - Pointer to SIM object
2243  *					ccb - Pointer to SCSI command structure.
2244  ****************************************************************/
2245 
2246 static void
2247 hpt_action(struct cam_sim *sim, union ccb *ccb)
2248 {
2249 	IAL_ADAPTER_T * pAdapter = (IAL_ADAPTER_T *) cam_sim_softc(sim);
2250 	PBUS_DMAMAP  pmap;
2251 	_VBUS_INST(&pAdapter->VBus)
2252 
2253 	CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("hpt_action\n"));
2254 	KdPrint(("hpt_action(%lx,%lx{%x})\n", (u_long)sim, (u_long)ccb, ccb->ccb_h.func_code));
2255 
2256 	switch (ccb->ccb_h.func_code)
2257 	{
2258 		case XPT_SCSI_IO:	/* Execute the requested I/O operation */
2259 		{
2260 			/* ccb->ccb_h.path_id is not our bus id - don't check it */
2261 
2262 			if (ccb->ccb_h.target_lun)	{
2263 				ccb->ccb_h.status = CAM_LUN_INVALID;
2264 				xpt_done(ccb);
2265 				return;
2266 			}
2267 			if (ccb->ccb_h.target_id >= MAX_VDEVICE_PER_VBUS ||
2268 				pAdapter->VBus.pVDevice[ccb->ccb_h.target_id]==0) {
2269 				ccb->ccb_h.status = CAM_TID_INVALID;
2270 				xpt_done(ccb);
2271 				return;
2272 			}
2273 
2274 			lock_driver();
2275 			if (pAdapter->outstandingCommands==0 && DPC_Request_Nums==0)
2276 				Check_Idle_Call(pAdapter);
2277 
2278 			pmap = dmamap_get(pAdapter);
2279 			HPT_ASSERT(pmap);
2280 			ccb->ccb_adapter = pmap;
2281 			memset((void *)pmap->psg, 0,  sizeof(pmap->psg));
2282 
2283 			if (mWaitingForIdle(_VBUS_P0))
2284 				hpt_queue_ccb(&pAdapter->pending_Q, ccb);
2285 			else
2286 				OsSendCommand(_VBUS_P ccb);
2287 			unlock_driver();
2288 
2289 			/* KdPrint(("leave scsiio\n")); */
2290 			break;
2291 		}
2292 
2293 		case XPT_RESET_BUS:
2294 			KdPrint(("reset bus\n"));
2295 			lock_driver();
2296 			fResetVBus(_VBUS_P0);
2297 			unlock_driver();
2298 			xpt_done(ccb);
2299 			break;
2300 
2301 		case XPT_RESET_DEV:	/* Bus Device Reset the specified SCSI device */
2302 		case XPT_EN_LUN:		/* Enable LUN as a target */
2303 		case XPT_TARGET_IO:		/* Execute target I/O request */
2304 		case XPT_ACCEPT_TARGET_IO:	/* Accept Host Target Mode CDB */
2305 		case XPT_CONT_TARGET_IO:	/* Continue Host Target I/O Connection*/
2306 		case XPT_ABORT:			/* Abort the specified CCB */
2307 		case XPT_TERM_IO:		/* Terminate the I/O process */
2308 			/* XXX Implement */
2309 			ccb->ccb_h.status = CAM_REQ_INVALID;
2310 			xpt_done(ccb);
2311 			break;
2312 
2313 		case XPT_GET_TRAN_SETTINGS:
2314 		case XPT_SET_TRAN_SETTINGS:
2315 			/* XXX Implement */
2316 			ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
2317 			xpt_done(ccb);
2318 			break;
2319 
2320 		case XPT_CALC_GEOMETRY:
2321 			cam_calc_geometry(&ccb->ccg, 1);
2322 			xpt_done(ccb);
2323 			break;
2324 
2325 		case XPT_PATH_INQ:		/* Path routing inquiry */
2326 		{
2327 			struct ccb_pathinq *cpi = &ccb->cpi;
2328 
2329 			cpi->version_num = 1; /* XXX??? */
2330 			cpi->hba_inquiry = PI_SDTR_ABLE;
2331 			cpi->target_sprt = 0;
2332 			/* Not necessary to reset bus */
2333 			cpi->hba_misc = PIM_NOBUSRESET;
2334 			cpi->hba_eng_cnt = 0;
2335 
2336 			cpi->max_target = MAX_VDEVICE_PER_VBUS;
2337 			cpi->max_lun = 0;
2338 			cpi->initiator_id = MAX_VDEVICE_PER_VBUS;
2339 
2340 			cpi->bus_id = cam_sim_bus(sim);
2341 			cpi->base_transfer_speed = 3300;
2342 			strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
2343 			strncpy(cpi->hba_vid, "HPT   ", HBA_IDLEN);
2344 			strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
2345 			cpi->unit_number = cam_sim_unit(sim);
2346 			cpi->transport = XPORT_SPI;
2347 			cpi->transport_version = 2;
2348 			cpi->protocol = PROTO_SCSI;
2349 			cpi->protocol_version = SCSI_REV_2;
2350 			cpi->maxio = HPTMV_DFLTPHYS;
2351 			cpi->ccb_h.status = CAM_REQ_CMP;
2352 			xpt_done(ccb);
2353 			break;
2354 		}
2355 
2356 		default:
2357 			KdPrint(("invalid cmd\n"));
2358 			ccb->ccb_h.status = CAM_REQ_INVALID;
2359 			xpt_done(ccb);
2360 			break;
2361 	}
2362 	/* KdPrint(("leave hpt_action..............\n")); */
2363 }
2364 
2365 /* shall be called at lock_driver() */
2366 static void
2367 hpt_queue_ccb(union ccb **ccb_Q, union ccb *ccb)
2368 {
2369 	if(*ccb_Q == NULL)
2370 		ccb->ccb_h.ccb_ccb_ptr = ccb;
2371 	else {
2372 		ccb->ccb_h.ccb_ccb_ptr = (*ccb_Q)->ccb_h.ccb_ccb_ptr;
2373 		(*ccb_Q)->ccb_h.ccb_ccb_ptr = (char *)ccb;
2374 	}
2375 
2376 	*ccb_Q = ccb;
2377 }
2378 
2379 /* shall be called at lock_driver() */
2380 static void
2381 hpt_free_ccb(union ccb **ccb_Q, union ccb *ccb)
2382 {
2383 	union ccb *TempCCB;
2384 
2385 	TempCCB = *ccb_Q;
2386 
2387 	if(ccb->ccb_h.ccb_ccb_ptr == ccb) /*it means SCpnt is the last one in CURRCMDs*/
2388 		*ccb_Q = NULL;
2389 	else {
2390 		while(TempCCB->ccb_h.ccb_ccb_ptr != (char *)ccb)
2391 			TempCCB = (union ccb *)TempCCB->ccb_h.ccb_ccb_ptr;
2392 
2393 		TempCCB->ccb_h.ccb_ccb_ptr = ccb->ccb_h.ccb_ccb_ptr;
2394 
2395 		if(*ccb_Q == ccb)
2396 			*ccb_Q = TempCCB;
2397 	}
2398 }
2399 
2400 #ifdef SUPPORT_ARRAY
2401 /***************************************************************************
2402  * Function:     hpt_worker_thread
2403  * Description:  Do background rebuilding. Execute in kernel thread context.
2404  * Returns:      None
2405  ***************************************************************************/
2406 static void hpt_worker_thread(void)
2407 {
2408 	for(;;)	{
2409 		while (DpcQueue_First!=DpcQueue_Last) {
2410 			ST_HPT_DPC p;
2411 			lock_driver();
2412 			p = DpcQueue[DpcQueue_First];
2413 			DpcQueue_First++;
2414 			DpcQueue_First %= MAX_DPC;
2415 			DPC_Request_Nums++;
2416 			unlock_driver();
2417 			p.dpc(p.pAdapter, p.arg, p.flags);
2418 
2419 			lock_driver();
2420 			DPC_Request_Nums--;
2421 			/* since we may have prevented Check_Idle_Call, do it here */
2422 			if (DPC_Request_Nums==0) {
2423 				if (p.pAdapter->outstandingCommands == 0) {
2424 					_VBUS_INST(&p.pAdapter->VBus);
2425 					Check_Idle_Call(p.pAdapter);
2426 					CheckPendingCall(_VBUS_P0);
2427 				}
2428 			}
2429 			unlock_driver();
2430 
2431 			/*Schedule out*/
2432 			tsleep((caddr_t)hpt_worker_thread, 0, "sched", 1);
2433 			if (SIGISMEMBER(curproc->p_siglist, SIGSTOP)) {
2434 				/* abort rebuilding process. */
2435 				IAL_ADAPTER_T *pAdapter;
2436 				PVDevice      pArray;
2437 				PVBus         _vbus_p;
2438 				int i;
2439 				pAdapter = gIal_Adapter;
2440 
2441 				while(pAdapter != NULL){
2442 
2443 					_vbus_p = &pAdapter->VBus;
2444 
2445 					for (i=0;i<MAX_ARRAY_PER_VBUS;i++)
2446 					{
2447 						if ((pArray=ArrayTables(i))->u.array.dArStamp==0)
2448 							continue;
2449 						else if (pArray->u.array.rf_rebuilding ||
2450 								pArray->u.array.rf_verifying ||
2451 								pArray->u.array.rf_initializing)
2452 							{
2453 								pArray->u.array.rf_abort_rebuild = 1;
2454 							}
2455 					}
2456 					pAdapter = pAdapter->next;
2457 				}
2458 			}
2459 		}
2460 
2461 /*Remove this debug option*/
2462 /*
2463 #ifdef DEBUG
2464 		if (SIGISMEMBER(curproc->p_siglist, SIGSTOP))
2465 			tsleep((caddr_t)hpt_worker_thread, 0, "hptrdy", 2*hz);
2466 #endif
2467 */
2468 		kproc_suspend_loop();
2469 		tsleep((caddr_t)hpt_worker_thread, 0, "hptrdy", 2*hz);  /* wait for something to do */
2470 	}
2471 }
2472 
2473 static struct kproc_desc hpt_kp = {
2474 	"hpt_wt",
2475 	hpt_worker_thread,
2476 	&hptdaemonproc
2477 };
2478 
2479 /*Start this thread in the hpt_attach, to prevent kernel from loading it without our controller.*/
2480 static void
2481 launch_worker_thread(void)
2482 {
2483 	IAL_ADAPTER_T *pAdapTemp;
2484 
2485 	kproc_start(&hpt_kp);
2486 
2487 	for (pAdapTemp = gIal_Adapter; pAdapTemp; pAdapTemp = pAdapTemp->next) {
2488 
2489 		_VBUS_INST(&pAdapTemp->VBus)
2490 		int i;
2491 		PVDevice pVDev;
2492 
2493 		for(i = 0; i < MAX_ARRAY_PER_VBUS; i++)
2494 			if ((pVDev=ArrayTables(i))->u.array.dArStamp==0)
2495 				continue;
2496 			else{
2497 				if (pVDev->u.array.rf_need_rebuild && !pVDev->u.array.rf_rebuilding)
2498 					hpt_queue_dpc((HPT_DPC)hpt_rebuild_data_block, pAdapTemp, pVDev,
2499 					(UCHAR)((pVDev->u.array.CriticalMembers || pVDev->VDeviceType == VD_RAID_1)? DUPLICATE : REBUILD_PARITY));
2500 			}
2501 	}
2502 }
2503 /*
2504  *SYSINIT(hptwt, SI_SUB_KTHREAD_IDLE, SI_ORDER_FIRST, launch_worker_thread, NULL);
2505 */
2506 
2507 #endif
2508 
2509 /********************************************************************************/
2510 
2511 static int HPTLIBAPI fOsBuildSgl(_VBUS_ARG PCommand pCmd, FPSCAT_GATH pSg, int logical)
2512 {
2513 	union ccb *ccb = (union ccb *)pCmd->pOrgCommand;
2514 	bus_dma_segment_t *sgList = (bus_dma_segment_t *)ccb->csio.data_ptr;
2515 	int idx;
2516 
2517 	if(logical) {
2518 		if (ccb->ccb_h.flags & CAM_DATA_PHYS)
2519 			panic("physical address unsupported");
2520 
2521 		if (ccb->ccb_h.flags & CAM_SCATTER_VALID) {
2522 			if (ccb->ccb_h.flags & CAM_SG_LIST_PHYS)
2523 				panic("physical address unsupported");
2524 
2525 			for (idx = 0; idx < ccb->csio.sglist_cnt; idx++) {
2526 				pSg[idx].dSgAddress = (ULONG_PTR)(UCHAR *)sgList[idx].ds_addr;
2527 				pSg[idx].wSgSize = sgList[idx].ds_len;
2528 				pSg[idx].wSgFlag = (idx==ccb->csio.sglist_cnt-1)? SG_FLAG_EOT : 0;
2529 			}
2530 		}
2531 		else {
2532 			pSg->dSgAddress = (ULONG_PTR)(UCHAR *)ccb->csio.data_ptr;
2533 			pSg->wSgSize = ccb->csio.dxfer_len;
2534 			pSg->wSgFlag = SG_FLAG_EOT;
2535 		}
2536 		return TRUE;
2537 	}
2538 
2539 	/* since we have provided physical sg, nobody will ask us to build physical sg */
2540 	HPT_ASSERT(0);
2541 	return FALSE;
2542 }
2543 
2544 /*******************************************************************************/
2545 ULONG HPTLIBAPI
2546 GetStamp(void)
2547 {
2548 	/*
2549 	 * the system variable, ticks, can't be used since it hasn't yet been active
2550 	 * when our driver starts (ticks==0, it's a invalid stamp value)
2551 	 */
2552 	ULONG stamp;
2553 	do { stamp = krandom(); } while (stamp==0);
2554 	return stamp;
2555 }
2556 
2557 
2558 static void
2559 SetInquiryData(PINQUIRYDATA inquiryData, PVDevice pVDev)
2560 {
2561 	int i;
2562 	IDENTIFY_DATA2 *pIdentify = (IDENTIFY_DATA2*)pVDev->u.disk.mv->identifyDevice;
2563 
2564 	inquiryData->DeviceType = T_DIRECT; /*DIRECT_ACCESS_DEVICE*/
2565 	inquiryData->AdditionalLength = (UCHAR)(sizeof(INQUIRYDATA) - 5);
2566 #ifndef SERIAL_CMDS
2567 	inquiryData->CommandQueue = 1;
2568 #endif
2569 
2570 	switch(pVDev->VDeviceType) {
2571 	case VD_SINGLE_DISK:
2572 	case VD_ATAPI:
2573 	case VD_REMOVABLE:
2574 		/* Set the removable bit, if applicable. */
2575 		if ((pVDev->u.disk.df_removable_drive) || (pIdentify->GeneralConfiguration & 0x80))
2576 			inquiryData->RemovableMedia = 1;
2577 
2578 		/* Fill in vendor identification fields. */
2579 		for (i = 0; i < 8; i += 2) {
2580 			inquiryData->VendorId[i] 	= ((PUCHAR)pIdentify->ModelNumber)[i + 1];
2581 			inquiryData->VendorId[i+1] 	= ((PUCHAR)pIdentify->ModelNumber)[i];
2582 
2583 		}
2584 
2585 		/* Initialize unused portion of product id. */
2586 		for (i = 0; i < 4; i++) inquiryData->ProductId[12+i] = ' ';
2587 
2588 		/* firmware revision */
2589 		for (i = 0; i < 4; i += 2)
2590 		{
2591 			inquiryData->ProductRevisionLevel[i] 	= ((PUCHAR)pIdentify->FirmwareRevision)[i+1];
2592 			inquiryData->ProductRevisionLevel[i+1] 	= ((PUCHAR)pIdentify->FirmwareRevision)[i];
2593 		}
2594 		break;
2595 	default:
2596 		memcpy(&inquiryData->VendorId, "RR18xx  ", 8);
2597 #ifdef SUPPORT_ARRAY
2598 		switch(pVDev->VDeviceType){
2599 		case VD_RAID_0:
2600 			if ((pVDev->u.array.pMember[0] && mIsArray(pVDev->u.array.pMember[0])) ||
2601 				(pVDev->u.array.pMember[1] && mIsArray(pVDev->u.array.pMember[1])))
2602 				memcpy(&inquiryData->ProductId, "RAID 1/0 Array  ", 16);
2603 			else
2604 				memcpy(&inquiryData->ProductId, "RAID 0 Array    ", 16);
2605 			break;
2606 		case VD_RAID_1:
2607 			if ((pVDev->u.array.pMember[0] && mIsArray(pVDev->u.array.pMember[0])) ||
2608 				(pVDev->u.array.pMember[1] && mIsArray(pVDev->u.array.pMember[1])))
2609 				memcpy(&inquiryData->ProductId, "RAID 0/1 Array  ", 16);
2610 			else
2611 				memcpy(&inquiryData->ProductId, "RAID 1 Array    ", 16);
2612 			break;
2613 		case VD_RAID_5:
2614 			memcpy(&inquiryData->ProductId, "RAID 5 Array    ", 16);
2615 			break;
2616 		case VD_JBOD:
2617 			memcpy(&inquiryData->ProductId, "JBOD Array      ", 16);
2618 			break;
2619 		}
2620 #endif
2621 		memcpy(&inquiryData->ProductRevisionLevel, "3.00", 4);
2622 		break;
2623 	}
2624 }
2625 
2626 static void
2627 hpt_timeout(void *arg)
2628 {
2629 	_VBUS_INST(&((PBUS_DMAMAP)((union ccb *)arg)->ccb_adapter)->pAdapter->VBus)
2630 	lock_driver();
2631 	fResetVBus(_VBUS_P0);
2632 	unlock_driver();
2633 }
2634 
2635 static void
2636 hpt_io_dmamap_callback(void *arg, bus_dma_segment_t *segs, int nsegs, int error)
2637 {
2638 	PCommand pCmd = (PCommand)arg;
2639 	union ccb *ccb = pCmd->pOrgCommand;
2640 	struct ccb_hdr *ccb_h = &ccb->ccb_h;
2641 	PBUS_DMAMAP pmap = (PBUS_DMAMAP) ccb->ccb_adapter;
2642 	IAL_ADAPTER_T *pAdapter = pmap->pAdapter;
2643 	PVDevice	pVDev = pAdapter->VBus.pVDevice[ccb_h->target_id];
2644 	FPSCAT_GATH psg = pCmd->pSgTable;
2645 	int idx;
2646 	_VBUS_INST(pVDev->pVBus)
2647 
2648 	HPT_ASSERT(pCmd->cf_physical_sg);
2649 
2650 	if (error || nsegs == 0)
2651 		panic("busdma error");
2652 
2653 	HPT_ASSERT(nsegs<= MAX_SG_DESCRIPTORS);
2654 
2655 	for (idx = 0; idx < nsegs; idx++, psg++) {
2656 		psg->dSgAddress = (ULONG_PTR)(UCHAR *)segs[idx].ds_addr;
2657 		psg->wSgSize = segs[idx].ds_len;
2658 		psg->wSgFlag = (idx == nsegs-1)? SG_FLAG_EOT: 0;
2659 /*		KdPrint(("psg[%d]:add=%p,size=%x,flag=%x\n", idx, psg->dSgAddress,psg->wSgSize,psg->wSgFlag)); */
2660 	}
2661 /*	psg[-1].wSgFlag = SG_FLAG_EOT; */
2662 
2663 	if (pCmd->cf_data_in) {
2664 		bus_dmamap_sync(pAdapter->io_dma_parent, pmap->dma_map, BUS_DMASYNC_PREREAD);
2665 	}
2666 	else if (pCmd->cf_data_out) {
2667 		bus_dmamap_sync(pAdapter->io_dma_parent, pmap->dma_map, BUS_DMASYNC_PREWRITE);
2668 	}
2669 
2670 	callout_reset(ccb->ccb_h.timeout_ch, 20*hz, hpt_timeout, ccb);
2671 	pVDev->pfnSendCommand(_VBUS_P pCmd);
2672 	CheckPendingCall(_VBUS_P0);
2673 }
2674 
2675 
2676 
2677 static void HPTLIBAPI
2678 OsSendCommand(_VBUS_ARG union ccb *ccb)
2679 {
2680 	PBUS_DMAMAP pmap = (PBUS_DMAMAP)ccb->ccb_adapter;
2681 	IAL_ADAPTER_T *pAdapter = pmap->pAdapter;
2682 	struct ccb_hdr *ccb_h = &ccb->ccb_h;
2683 	struct ccb_scsiio *csio = &ccb->csio;
2684 	PVDevice	pVDev = pAdapter->VBus.pVDevice[ccb_h->target_id];
2685 
2686 	KdPrintI(("OsSendCommand: ccb %p  cdb %x-%x-%x\n",
2687 		ccb,
2688 		*(ULONG *)&ccb->csio.cdb_io.cdb_bytes[0],
2689 		*(ULONG *)&ccb->csio.cdb_io.cdb_bytes[4],
2690 		*(ULONG *)&ccb->csio.cdb_io.cdb_bytes[8]
2691 	));
2692 
2693 	pAdapter->outstandingCommands++;
2694 
2695 	if (pVDev == NULL || pVDev->vf_online == 0) {
2696 		ccb->ccb_h.status = CAM_REQ_INVALID;
2697 		ccb_done(ccb);
2698 		goto Command_Complished;
2699 	}
2700 
2701 	switch(ccb->csio.cdb_io.cdb_bytes[0])
2702 	{
2703 		case TEST_UNIT_READY:
2704 		case START_STOP_UNIT:
2705 		case SYNCHRONIZE_CACHE:
2706 			/* FALLTHROUGH */
2707 			ccb->ccb_h.status = CAM_REQ_CMP;
2708 			break;
2709 
2710 		case INQUIRY:
2711 			ZeroMemory(ccb->csio.data_ptr, ccb->csio.dxfer_len);
2712 			SetInquiryData((PINQUIRYDATA)ccb->csio.data_ptr, pVDev);
2713 			ccb_h->status = CAM_REQ_CMP;
2714 			break;
2715 
2716 		case READ_CAPACITY:
2717 		{
2718 			UCHAR *rbuf=csio->data_ptr;
2719 			unsigned int cap;
2720 
2721 			if (pVDev->VDeviceCapacity > 0xfffffffful) {
2722 				cap = 0xfffffffful;
2723 			} else {
2724 				cap = pVDev->VDeviceCapacity - 1;
2725 			}
2726 
2727 			rbuf[0] = (UCHAR)(cap>>24);
2728 			rbuf[1] = (UCHAR)(cap>>16);
2729 			rbuf[2] = (UCHAR)(cap>>8);
2730 			rbuf[3] = (UCHAR)cap;
2731 			/* Claim 512 byte blocks (big-endian). */
2732 			rbuf[4] = 0;
2733 			rbuf[5] = 0;
2734 			rbuf[6] = 2;
2735 			rbuf[7] = 0;
2736 
2737 			ccb_h->status = CAM_REQ_CMP;
2738 			break;
2739 		}
2740 
2741 		case 0x9e: /*SERVICE_ACTION_IN*/
2742 		{
2743 			UCHAR *rbuf = csio->data_ptr;
2744 			LBA_T cap = pVDev->VDeviceCapacity - 1;
2745 
2746 			rbuf[0] = (UCHAR)(cap>>56);
2747 			rbuf[1] = (UCHAR)(cap>>48);
2748 			rbuf[2] = (UCHAR)(cap>>40);
2749 			rbuf[3] = (UCHAR)(cap>>32);
2750 			rbuf[4] = (UCHAR)(cap>>24);
2751 			rbuf[5] = (UCHAR)(cap>>16);
2752 			rbuf[6] = (UCHAR)(cap>>8);
2753 			rbuf[7] = (UCHAR)cap;
2754 			rbuf[8] = 0;
2755 			rbuf[9] = 0;
2756 			rbuf[10] = 2;
2757 			rbuf[11] = 0;
2758 
2759 			ccb_h->status = CAM_REQ_CMP;
2760 			break;
2761 		}
2762 
2763 		case READ_6:
2764 		case WRITE_6:
2765 		case READ_10:
2766 		case WRITE_10:
2767 		case 0x88: /* READ_16 */
2768 		case 0x8a: /* WRITE_16 */
2769 		case 0x13:
2770 		case 0x2f:
2771 		{
2772 			UCHAR Cdb[16];
2773 			UCHAR CdbLength;
2774 			_VBUS_INST(pVDev->pVBus)
2775 			PCommand pCmd = AllocateCommand(_VBUS_P0);
2776 			HPT_ASSERT(pCmd);
2777 
2778 			CdbLength = csio->cdb_len;
2779 			if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0)
2780 			{
2781 				if ((ccb->ccb_h.flags & CAM_CDB_PHYS) == 0)
2782 				{
2783 					bcopy(csio->cdb_io.cdb_ptr, Cdb, CdbLength);
2784 				}
2785 				else
2786 				{
2787 					KdPrintE(("ERROR!!!\n"));
2788 					ccb->ccb_h.status = CAM_REQ_INVALID;
2789 					break;
2790 				}
2791 			}
2792 			else
2793 			{
2794 				bcopy(csio->cdb_io.cdb_bytes, Cdb, CdbLength);
2795 			}
2796 
2797 			pCmd->pOrgCommand = ccb;
2798 			pCmd->pVDevice = pVDev;
2799 			pCmd->pfnCompletion = fOsCommandDone;
2800 			pCmd->pfnBuildSgl = fOsBuildSgl;
2801 			pCmd->pSgTable = pmap->psg;
2802 
2803 			switch (Cdb[0])
2804 			{
2805 				case READ_6:
2806 				case WRITE_6:
2807 				case 0x13:
2808 					pCmd->uCmd.Ide.Lba =  ((ULONG)Cdb[1] << 16) | ((ULONG)Cdb[2] << 8) | (ULONG)Cdb[3];
2809 					pCmd->uCmd.Ide.nSectors = (USHORT) Cdb[4];
2810 					break;
2811 
2812 				case 0x88: /* READ_16 */
2813 				case 0x8a: /* WRITE_16 */
2814 					pCmd->uCmd.Ide.Lba =
2815 						(HPT_U64)Cdb[2] << 56 |
2816 						(HPT_U64)Cdb[3] << 48 |
2817 						(HPT_U64)Cdb[4] << 40 |
2818 						(HPT_U64)Cdb[5] << 32 |
2819 						(HPT_U64)Cdb[6] << 24 |
2820 						(HPT_U64)Cdb[7] << 16 |
2821 						(HPT_U64)Cdb[8] << 8 |
2822 						(HPT_U64)Cdb[9];
2823 					pCmd->uCmd.Ide.nSectors = (USHORT)Cdb[12] << 8 | (USHORT)Cdb[13];
2824 					break;
2825 
2826 				default:
2827 					pCmd->uCmd.Ide.Lba = (ULONG)Cdb[5] | ((ULONG)Cdb[4] << 8) | ((ULONG)Cdb[3] << 16) | ((ULONG)Cdb[2] << 24);
2828 					pCmd->uCmd.Ide.nSectors = (USHORT) Cdb[8] | ((USHORT)Cdb[7]<<8);
2829 					break;
2830 			}
2831 
2832 			switch (Cdb[0])
2833 			{
2834 				case READ_6:
2835 				case READ_10:
2836 				case 0x88: /* READ_16 */
2837 					pCmd->uCmd.Ide.Command = IDE_COMMAND_READ;
2838 					pCmd->cf_data_in = 1;
2839 					break;
2840 
2841 				case WRITE_6:
2842 				case WRITE_10:
2843 				case 0x8a: /* WRITE_16 */
2844 					pCmd->uCmd.Ide.Command = IDE_COMMAND_WRITE;
2845 					pCmd->cf_data_out = 1;
2846 					break;
2847 				case 0x13:
2848 				case 0x2f:
2849 					pCmd->uCmd.Ide.Command = IDE_COMMAND_VERIFY;
2850 					break;
2851 			}
2852 /*///////////////////////// */
2853 			if (ccb->ccb_h.flags & CAM_SCATTER_VALID) {
2854 				int idx;
2855 				bus_dma_segment_t *sgList = (bus_dma_segment_t *)ccb->csio.data_ptr;
2856 
2857 				if (ccb->ccb_h.flags & CAM_SG_LIST_PHYS)
2858 					pCmd->cf_physical_sg = 1;
2859 
2860 				for (idx = 0; idx < ccb->csio.sglist_cnt; idx++) {
2861 					pCmd->pSgTable[idx].dSgAddress = (ULONG_PTR)(UCHAR *)sgList[idx].ds_addr;
2862 					pCmd->pSgTable[idx].wSgSize = sgList[idx].ds_len;
2863 					pCmd->pSgTable[idx].wSgFlag= (idx==ccb->csio.sglist_cnt-1)?SG_FLAG_EOT: 0;
2864 				}
2865 
2866 				callout_reset(ccb->ccb_h.timeout_ch, 20 * hz,
2867 					      hpt_timeout, ccb);
2868 				pVDev->pfnSendCommand(_VBUS_P pCmd);
2869 			}
2870 			else {
2871 				int error;
2872 				pCmd->cf_physical_sg = 1;
2873 				error = bus_dmamap_load(pAdapter->io_dma_parent,
2874 							pmap->dma_map,
2875 							ccb->csio.data_ptr, ccb->csio.dxfer_len,
2876 							hpt_io_dmamap_callback, pCmd,
2877 							BUS_DMA_WAITOK
2878 						);
2879 				KdPrint(("bus_dmamap_load return %d\n", error));
2880 				if (error && error!=EINPROGRESS) {
2881 					hpt_printk(("bus_dmamap_load error %d\n", error));
2882 					FreeCommand(_VBUS_P pCmd);
2883 					ccb->ccb_h.status = CAM_REQ_CMP_ERR;
2884 					dmamap_put(pmap);
2885 					pAdapter->outstandingCommands--;
2886 					xpt_done(ccb);
2887 				}
2888 			}
2889 			goto Command_Complished;
2890 		}
2891 
2892 		default:
2893 			ccb->ccb_h.status = CAM_REQ_INVALID;
2894 			break;
2895 	}
2896 	ccb_done(ccb);
2897 Command_Complished:
2898 	CheckPendingCall(_VBUS_P0);
2899 	return;
2900 }
2901 
2902 static void HPTLIBAPI
2903 fOsCommandDone(_VBUS_ARG PCommand pCmd)
2904 {
2905 	union ccb *ccb = pCmd->pOrgCommand;
2906 	PBUS_DMAMAP pmap = (PBUS_DMAMAP)ccb->ccb_adapter;
2907 	IAL_ADAPTER_T *pAdapter = pmap->pAdapter;
2908 
2909 	KdPrint(("fOsCommandDone(pcmd=%p, result=%d)\n", pCmd, pCmd->Result));
2910 
2911 	callout_stop(ccb->ccb_h.timeout_ch);
2912 
2913 	switch(pCmd->Result) {
2914 	case RETURN_SUCCESS:
2915 		ccb->ccb_h.status = CAM_REQ_CMP;
2916 		break;
2917 	case RETURN_BAD_DEVICE:
2918 		ccb->ccb_h.status = CAM_DEV_NOT_THERE;
2919 		break;
2920 	case RETURN_DEVICE_BUSY:
2921 		ccb->ccb_h.status = CAM_BUSY;
2922 		break;
2923 	case RETURN_INVALID_REQUEST:
2924 		ccb->ccb_h.status = CAM_REQ_INVALID;
2925 		break;
2926 	case RETURN_SELECTION_TIMEOUT:
2927 		ccb->ccb_h.status = CAM_SEL_TIMEOUT;
2928 		break;
2929 	case RETURN_RETRY:
2930 		ccb->ccb_h.status = CAM_BUSY;
2931 		break;
2932 	default:
2933 		ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR;
2934 		break;
2935 	}
2936 
2937 	if (pCmd->cf_data_in) {
2938 		bus_dmamap_sync(pAdapter->io_dma_parent, pmap->dma_map, BUS_DMASYNC_POSTREAD);
2939 	}
2940 	else if (pCmd->cf_data_out) {
2941 		bus_dmamap_sync(pAdapter->io_dma_parent, pmap->dma_map, BUS_DMASYNC_POSTWRITE);
2942 	}
2943 
2944 	bus_dmamap_unload(pAdapter->io_dma_parent, pmap->dma_map);
2945 
2946 	FreeCommand(_VBUS_P pCmd);
2947 	ccb_done(ccb);
2948 }
2949 
2950 int
2951 hpt_queue_dpc(HPT_DPC dpc, IAL_ADAPTER_T * pAdapter, void *arg, UCHAR flags)
2952 {
2953 	int p;
2954 
2955 	p = (DpcQueue_Last + 1) % MAX_DPC;
2956 	if (p==DpcQueue_First) {
2957 		KdPrint(("DPC Queue full!\n"));
2958 		return -1;
2959 	}
2960 
2961 	DpcQueue[DpcQueue_Last].dpc = dpc;
2962 	DpcQueue[DpcQueue_Last].pAdapter = pAdapter;
2963 	DpcQueue[DpcQueue_Last].arg = arg;
2964 	DpcQueue[DpcQueue_Last].flags = flags;
2965 	DpcQueue_Last = p;
2966 
2967 	return 0;
2968 }
2969 
2970 #ifdef _RAID5N_
2971 /*
2972  * Allocate memory above 16M, otherwise we may eat all low memory for ISA devices.
2973  * How about the memory for 5081 request/response array and PRD table?
2974  */
2975 void
2976 *os_alloc_page(_VBUS_ARG0)
2977 {
2978 	return (void *)contigmalloc(0x1000, M_DEVBUF, M_NOWAIT, 0x1000000, 0xffffffff, PAGE_SIZE, 0ul);
2979 }
2980 
2981 void
2982 *os_alloc_dma_page(_VBUS_ARG0)
2983 {
2984 	return (void *)contigmalloc(0x1000, M_DEVBUF, M_NOWAIT, 0x1000000, 0xffffffff, PAGE_SIZE, 0ul);
2985 }
2986 
2987 void
2988 os_free_page(_VBUS_ARG void *p)
2989 {
2990 	contigfree(p, 0x1000, M_DEVBUF);
2991 }
2992 
2993 void
2994 os_free_dma_page(_VBUS_ARG void *p)
2995 {
2996 	contigfree(p, 0x1000, M_DEVBUF);
2997 }
2998 
2999 void
3000 DoXor1(ULONG *p0, ULONG *p1, ULONG *p2, UINT nBytes)
3001 {
3002 	UINT i;
3003 	for (i = 0; i < nBytes / 4; i++) *p0++ = *p1++ ^ *p2++;
3004 }
3005 
3006 void
3007 DoXor2(ULONG *p0, ULONG *p2, UINT nBytes)
3008 {
3009 	UINT i;
3010 	for (i = 0; i < nBytes / 4; i++) *p0++ ^= *p2++;
3011 }
3012 #endif
3013