xref: /freebsd/sys/dev/hptmv/entry.c (revision d0b2dbfa0ecf2bbc9709efc5e20baf8e4b44bbbf)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright (c) 2004-2005 HighPoint Technologies, Inc.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  */
28 
29 #include <sys/cdefs.h>
30 #include <sys/param.h>
31 #include <sys/systm.h>
32 #include <sys/kernel.h>
33 #include <sys/bus.h>
34 #include <sys/malloc.h>
35 #include <sys/resource.h>
36 #include <sys/time.h>
37 #include <sys/callout.h>
38 #include <sys/signalvar.h>
39 #include <sys/eventhandler.h>
40 #include <sys/proc.h>
41 #include <sys/kthread.h>
42 
43 #include <sys/mutex.h>
44 #include <sys/module.h>
45 #include <sys/sx.h>
46 
47 #include <dev/pci/pcireg.h>
48 #include <dev/pci/pcivar.h>
49 
50 #ifndef __KERNEL__
51 #define __KERNEL__
52 #endif
53 
54 #include <dev/hptmv/global.h>
55 #include <dev/hptmv/hptintf.h>
56 #include <dev/hptmv/osbsd.h>
57 #include <dev/hptmv/access601.h>
58 
59 
60 #ifdef DEBUG
61 #ifdef DEBUG_LEVEL
62 int hpt_dbg_level = DEBUG_LEVEL;
63 #else
64 int hpt_dbg_level = 0;
65 #endif
66 #endif
67 
68 #define MV_ERROR printf
69 
70 /*
71  * CAM SIM entry points
72  */
73 static int 	hpt_probe (device_t dev);
74 static void launch_worker_thread(void);
75 static int 	hpt_attach(device_t dev);
76 static int 	hpt_detach(device_t dev);
77 static int 	hpt_shutdown(device_t dev);
78 static void hpt_poll(struct cam_sim *sim);
79 static void hpt_intr(void *arg);
80 static void hpt_async(void *callback_arg, u_int32_t code, struct cam_path *path, void *arg);
81 static void hpt_action(struct cam_sim *sim, union ccb *ccb);
82 
83 static device_method_t driver_methods[] = {
84 	/* Device interface */
85 	DEVMETHOD(device_probe,		hpt_probe),
86 	DEVMETHOD(device_attach,	hpt_attach),
87 	DEVMETHOD(device_detach,	hpt_detach),
88 
89 	DEVMETHOD(device_shutdown,	hpt_shutdown),
90 	DEVMETHOD_END
91 };
92 
93 static driver_t hpt_pci_driver = {
94 	__str(PROC_DIR_NAME),
95 	driver_methods,
96 	sizeof(IAL_ADAPTER_T)
97 };
98 
99 #define __DRIVER_MODULE(p1, p2, p3, p4, p5) DRIVER_MODULE(p1, p2, p3, p4, p5)
100 __DRIVER_MODULE(PROC_DIR_NAME, pci, hpt_pci_driver, 0, 0);
101 MODULE_DEPEND(PROC_DIR_NAME, cam, 1, 1, 1);
102 
103 #define ccb_ccb_ptr spriv_ptr0
104 #define ccb_adapter ccb_h.spriv_ptr1
105 
106 static void SetInquiryData(PINQUIRYDATA inquiryData, PVDevice pVDev);
107 static void HPTLIBAPI OsSendCommand (_VBUS_ARG union ccb * ccb);
108 static void HPTLIBAPI fOsCommandDone(_VBUS_ARG PCommand pCmd);
109 static void ccb_done(union ccb *ccb);
110 static void hpt_queue_ccb(union ccb **ccb_Q, union ccb *ccb);
111 static void hpt_free_ccb(union ccb **ccb_Q, union ccb *ccb);
112 static void hpt_intr_locked(IAL_ADAPTER_T *pAdapter);
113 static void	hptmv_free_edma_queues(IAL_ADAPTER_T *pAdapter);
114 static void	hptmv_free_channel(IAL_ADAPTER_T *pAdapter, MV_U8 channelNum);
115 static void	handleEdmaError(_VBUS_ARG PCommand pCmd);
116 static int	hptmv_init_channel(IAL_ADAPTER_T *pAdapter, MV_U8 channelNum);
117 static int	fResetActiveCommands(PVBus _vbus_p);
118 static void	fRegisterVdevice(IAL_ADAPTER_T *pAdapter);
119 static int	hptmv_allocate_edma_queues(IAL_ADAPTER_T *pAdapter);
120 static void	hptmv_handle_event_disconnect(void *data);
121 static void	hptmv_handle_event_connect(void *data);
122 static int	start_channel(IAL_ADAPTER_T *pAdapter, MV_U8 channelNum);
123 static void	init_vdev_params(IAL_ADAPTER_T *pAdapter, MV_U8 channel);
124 static int	hptmv_parse_identify_results(MV_SATA_CHANNEL *pMvSataChannel);
125 static int HPTLIBAPI fOsBuildSgl(_VBUS_ARG PCommand pCmd, FPSCAT_GATH pSg,
126     int logical);
127 static MV_BOOLEAN CommandCompletionCB(MV_SATA_ADAPTER *pMvSataAdapter,
128     MV_U8 channelNum, MV_COMPLETION_TYPE comp_type, MV_VOID_PTR commandId,
129     MV_U16 responseFlags, MV_U32 timeStamp,
130     MV_STORAGE_DEVICE_REGISTERS *registerStruct);
131 static MV_BOOLEAN hptmv_event_notify(MV_SATA_ADAPTER *pMvSataAdapter,
132     MV_EVENT_TYPE eventType, MV_U32 param1, MV_U32 param2);
133 
134 #define ccb_ccb_ptr spriv_ptr0
135 #define ccb_adapter ccb_h.spriv_ptr1
136 
137 static struct sx hptmv_list_lock;
138 SX_SYSINIT(hptmv_list_lock, &hptmv_list_lock, "hptmv list");
139 IAL_ADAPTER_T *gIal_Adapter = NULL;
140 IAL_ADAPTER_T *pCurAdapter = NULL;
141 static MV_SATA_CHANNEL gMvSataChannels[MAX_VBUS][MV_SATA_CHANNELS_NUM];
142 
143 typedef struct st_HPT_DPC {
144 	IAL_ADAPTER_T *pAdapter;
145 	void (*dpc)(IAL_ADAPTER_T *, void *, UCHAR);
146 	void *arg;
147 	UCHAR flags;
148 } ST_HPT_DPC;
149 
150 #define MAX_DPC 16
151 UCHAR DPC_Request_Nums = 0;
152 static ST_HPT_DPC DpcQueue[MAX_DPC];
153 static int DpcQueue_First=0;
154 static int DpcQueue_Last = 0;
155 static struct mtx DpcQueue_Lock;
156 MTX_SYSINIT(hpmtv_dpc_lock, &DpcQueue_Lock, "hptmv dpc", MTX_DEF);
157 
158 char DRIVER_VERSION[] = "v1.16";
159 
160 /*******************************************************************************
161  *	Name:	hptmv_free_channel
162  *
163  *	Description:	free allocated queues for the given channel
164  *
165  *	Parameters:    	pMvSataAdapter - pointer to the RR18xx controller this
166  * 					channel connected to.
167  *			channelNum - channel number.
168  *
169  ******************************************************************************/
170 static void
171 hptmv_free_channel(IAL_ADAPTER_T *pAdapter, MV_U8 channelNum)
172 {
173 	HPT_ASSERT(channelNum < MV_SATA_CHANNELS_NUM);
174 	pAdapter->mvSataAdapter.sataChannel[channelNum] = NULL;
175 }
176 
177 static void failDevice(PVDevice pVDev)
178 {
179 	PVBus _vbus_p = pVDev->pVBus;
180 	IAL_ADAPTER_T *pAdapter = (IAL_ADAPTER_T *)_vbus_p->OsExt;
181 
182 	pVDev->u.disk.df_on_line = 0;
183 	pVDev->vf_online = 0;
184 	if (pVDev->pfnDeviceFailed)
185 		CallWhenIdle(_VBUS_P (DPC_PROC)pVDev->pfnDeviceFailed, pVDev);
186 
187 	fNotifyGUI(ET_DEVICE_REMOVED, pVDev);
188 
189 #ifndef FOR_DEMO
190 	if (pAdapter->ver_601==2 && !pAdapter->beeping) {
191 		pAdapter->beeping = 1;
192 		BeepOn(pAdapter->mvSataAdapter.adapterIoBaseAddress);
193 		set_fail_led(&pAdapter->mvSataAdapter, pVDev->u.disk.mv->channelNumber, 1);
194 	}
195 #endif
196 }
197 
198 int MvSataResetChannel(MV_SATA_ADAPTER *pMvSataAdapter, MV_U8 channel);
199 
200 static void
201 handleEdmaError(_VBUS_ARG PCommand pCmd)
202 {
203 	PDevice pDevice = &pCmd->pVDevice->u.disk;
204 	MV_SATA_ADAPTER * pSataAdapter = pDevice->mv->mvSataAdapter;
205 
206 	if (!pDevice->df_on_line) {
207 		KdPrint(("Device is offline"));
208 		pCmd->Result = RETURN_BAD_DEVICE;
209 		CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
210 		return;
211 	}
212 
213 	if (pCmd->RetryCount++>5) {
214 		hpt_printk(("too many retries on channel(%d)\n", pDevice->mv->channelNumber));
215 failed:
216 		failDevice(pCmd->pVDevice);
217 		pCmd->Result = RETURN_IDE_ERROR;
218 		CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
219 		return;
220 	}
221 
222 	/* reset the channel and retry the command */
223 	if (MvSataResetChannel(pSataAdapter, pDevice->mv->channelNumber))
224 		goto failed;
225 
226 	fNotifyGUI(ET_DEVICE_ERROR, Map2pVDevice(pDevice));
227 
228 	hpt_printk(("Retry on channel(%d)\n", pDevice->mv->channelNumber));
229 	fDeviceSendCommand(_VBUS_P pCmd);
230 }
231 
232 /****************************************************************
233  *	Name:	hptmv_init_channel
234  *
235  *	Description:	allocate request and response queues for the EDMA of the
236  *					given channel and sets other fields.
237  *
238  *	Parameters:
239  *		pAdapter - pointer to the emulated adapter data structure
240  *		channelNum - channel number.
241  *	Return:	0 on success, otherwise on failure
242  ****************************************************************/
243 static int
244 hptmv_init_channel(IAL_ADAPTER_T *pAdapter, MV_U8 channelNum)
245 {
246 	MV_SATA_CHANNEL *pMvSataChannel;
247 	dma_addr_t    req_dma_addr;
248 	dma_addr_t    rsp_dma_addr;
249 
250 	if (channelNum >= MV_SATA_CHANNELS_NUM)
251 	{
252 		MV_ERROR("RR18xx[%d]: Bad channelNum=%d",
253 				 pAdapter->mvSataAdapter.adapterId, channelNum);
254 		return -1;
255 	}
256 
257 	pMvSataChannel = &gMvSataChannels[pAdapter->mvSataAdapter.adapterId][channelNum];
258 	pAdapter->mvSataAdapter.sataChannel[channelNum] = pMvSataChannel;
259 	pMvSataChannel->channelNumber = channelNum;
260 	pMvSataChannel->lba48Address = MV_FALSE;
261 	pMvSataChannel->maxReadTransfer = MV_FALSE;
262 
263 	pMvSataChannel->requestQueue = (struct mvDmaRequestQueueEntry *)
264 								   (pAdapter->requestsArrayBaseAlignedAddr + (channelNum * MV_EDMA_REQUEST_QUEUE_SIZE));
265 	req_dma_addr = pAdapter->requestsArrayBaseDmaAlignedAddr + (channelNum * MV_EDMA_REQUEST_QUEUE_SIZE);
266 
267 
268 	KdPrint(("requestQueue addr is 0x%llX", (HPT_U64)(ULONG_PTR)req_dma_addr));
269 
270 	/* check the 1K alignment of the request queue*/
271 	if (req_dma_addr & 0x3ff)
272 	{
273 		MV_ERROR("RR18xx[%d]: request queue allocated isn't 1 K aligned,"
274 				 " dma_addr=%llx channel=%d\n", pAdapter->mvSataAdapter.adapterId,
275 				 (HPT_U64)(ULONG_PTR)req_dma_addr, channelNum);
276 		return -1;
277 	}
278 	pMvSataChannel->requestQueuePciLowAddress = req_dma_addr;
279 	pMvSataChannel->requestQueuePciHiAddress = 0;
280 	KdPrint(("RR18xx[%d,%d]: request queue allocated: 0x%p",
281 			  pAdapter->mvSataAdapter.adapterId, channelNum,
282 			  pMvSataChannel->requestQueue));
283 	pMvSataChannel->responseQueue = (struct mvDmaResponseQueueEntry *)
284 									(pAdapter->responsesArrayBaseAlignedAddr + (channelNum * MV_EDMA_RESPONSE_QUEUE_SIZE));
285 	rsp_dma_addr = pAdapter->responsesArrayBaseDmaAlignedAddr + (channelNum * MV_EDMA_RESPONSE_QUEUE_SIZE);
286 
287 	/* check the 256 alignment of the response queue*/
288 	if (rsp_dma_addr & 0xff)
289 	{
290 		MV_ERROR("RR18xx[%d,%d]: response queue allocated isn't 256 byte "
291 				 "aligned, dma_addr=%llx\n",
292 				 pAdapter->mvSataAdapter.adapterId, channelNum, (HPT_U64)(ULONG_PTR)rsp_dma_addr);
293 		return -1;
294 	}
295 	pMvSataChannel->responseQueuePciLowAddress = rsp_dma_addr;
296 	pMvSataChannel->responseQueuePciHiAddress = 0;
297 	KdPrint(("RR18xx[%d,%d]: response queue allocated: 0x%p",
298 			  pAdapter->mvSataAdapter.adapterId, channelNum,
299 			  pMvSataChannel->responseQueue));
300 
301 	pAdapter->mvChannel[channelNum].online = MV_TRUE;
302 	return 0;
303 }
304 
305 /******************************************************************************
306  *	Name: hptmv_parse_identify_results
307  *
308  *	Description:	this functions parses the identify command results, checks
309  *					that the connected deives can be accesed by RR18xx EDMA,
310  *					and updates the channel structure accordingly.
311  *
312  *	Parameters:     pMvSataChannel, pointer to the channel data structure.
313  *
314  *	Returns:       	=0 ->success, < 0 ->failure.
315  *
316  ******************************************************************************/
317 static int
318 hptmv_parse_identify_results(MV_SATA_CHANNEL *pMvSataChannel)
319 {
320 	MV_U16  *iden = pMvSataChannel->identifyDevice;
321 
322 	/*LBA addressing*/
323 	if (! (iden[IDEN_CAPACITY_1_OFFSET] & 0x200))
324 	{
325 		KdPrint(("IAL Error in IDENTIFY info: LBA not supported\n"));
326 		return -1;
327 	}
328 	else
329 	{
330 		KdPrint(("%25s - %s\n", "Capabilities", "LBA supported"));
331 	}
332 	/*DMA support*/
333 	if (! (iden[IDEN_CAPACITY_1_OFFSET] & 0x100))
334 	{
335 		KdPrint(("IAL Error in IDENTIFY info: DMA not supported\n"));
336 		return -1;
337 	}
338 	else
339 	{
340 		KdPrint(("%25s - %s\n", "Capabilities", "DMA supported"));
341 	}
342 	/* PIO */
343 	if ((iden[IDEN_VALID] & 2) == 0)
344 	{
345 		KdPrint(("IAL Error in IDENTIFY info: not able to find PIO mode\n"));
346 		return -1;
347 	}
348 	KdPrint(("%25s - 0x%02x\n", "PIO modes supported",
349 			  iden[IDEN_PIO_MODE_SPPORTED] & 0xff));
350 
351 	/*UDMA*/
352 	if ((iden[IDEN_VALID] & 4) == 0)
353 	{
354 		KdPrint(("IAL Error in IDENTIFY info: not able to find UDMA mode\n"));
355 		return -1;
356 	}
357 
358 	/* 48 bit address */
359 	if ((iden[IDEN_SUPPORTED_COMMANDS2] & 0x400))
360 	{
361 		KdPrint(("%25s - %s\n", "LBA48 addressing", "supported"));
362 		pMvSataChannel->lba48Address = MV_TRUE;
363 	}
364 	else
365 	{
366 		KdPrint(("%25s - %s\n", "LBA48 addressing", "Not supported"));
367 		pMvSataChannel->lba48Address = MV_FALSE;
368 	}
369 	return 0;
370 }
371 
372 static void
373 init_vdev_params(IAL_ADAPTER_T *pAdapter, MV_U8 channel)
374 {
375 	PVDevice pVDev = &pAdapter->VDevices[channel];
376 	MV_SATA_CHANNEL *pMvSataChannel = pAdapter->mvSataAdapter.sataChannel[channel];
377 	MV_U16_PTR IdentifyData = pMvSataChannel->identifyDevice;
378 
379 	pMvSataChannel->outstandingCommands = 0;
380 
381 	pVDev->u.disk.mv         = pMvSataChannel;
382 	pVDev->u.disk.df_on_line = 1;
383 	pVDev->u.disk.pVBus      = &pAdapter->VBus;
384 	pVDev->pVBus             = &pAdapter->VBus;
385 
386 #ifdef SUPPORT_48BIT_LBA
387 	if (pMvSataChannel->lba48Address == MV_TRUE)
388 		pVDev->u.disk.dDeRealCapacity = ((IdentifyData[101]<<16) | IdentifyData[100]) - 1;
389 	else
390 #endif
391 	if(IdentifyData[53] & 1) {
392 	pVDev->u.disk.dDeRealCapacity =
393 	  (((IdentifyData[58]<<16 | IdentifyData[57]) < (IdentifyData[61]<<16 | IdentifyData[60])) ?
394 		  (IdentifyData[61]<<16 | IdentifyData[60]) :
395 				(IdentifyData[58]<<16 | IdentifyData[57])) - 1;
396 	} else
397 		pVDev->u.disk.dDeRealCapacity =
398 				 (IdentifyData[61]<<16 | IdentifyData[60]) - 1;
399 
400 	pVDev->u.disk.bDeUsable_Mode = pVDev->u.disk.bDeModeSetting =
401 		pAdapter->mvChannel[channel].maxPioModeSupported - MV_ATA_TRANSFER_PIO_0;
402 
403 	if (pAdapter->mvChannel[channel].maxUltraDmaModeSupported!=0xFF) {
404 		pVDev->u.disk.bDeUsable_Mode = pVDev->u.disk.bDeModeSetting =
405 			pAdapter->mvChannel[channel].maxUltraDmaModeSupported - MV_ATA_TRANSFER_UDMA_0 + 8;
406 	}
407 }
408 
409 static void device_change(IAL_ADAPTER_T *pAdapter , MV_U8 channelIndex, int plugged)
410 {
411 	PVDevice pVDev;
412 	MV_SATA_ADAPTER  *pMvSataAdapter = &pAdapter->mvSataAdapter;
413 	MV_SATA_CHANNEL  *pMvSataChannel = pMvSataAdapter->sataChannel[channelIndex];
414 
415 	if (!pMvSataChannel) return;
416 
417 	if (plugged)
418 	{
419 		pVDev = &(pAdapter->VDevices[channelIndex]);
420 		init_vdev_params(pAdapter, channelIndex);
421 
422 		pVDev->VDeviceType = pVDev->u.disk.df_atapi? VD_ATAPI :
423 			pVDev->u.disk.df_removable_drive? VD_REMOVABLE : VD_SINGLE_DISK;
424 
425 		pVDev->VDeviceCapacity = pVDev->u.disk.dDeRealCapacity-SAVE_FOR_RAID_INFO;
426 		pVDev->pfnSendCommand = pfnSendCommand[pVDev->VDeviceType];
427 		pVDev->pfnDeviceFailed = pfnDeviceFailed[pVDev->VDeviceType];
428 		pVDev->vf_online = 1;
429 
430 #ifdef SUPPORT_ARRAY
431 		if(pVDev->pParent)
432 		{
433 			int iMember;
434 			for(iMember = 0; iMember < 	pVDev->pParent->u.array.bArnMember; iMember++)
435 				if((PVDevice)pVDev->pParent->u.array.pMember[iMember] == pVDev)
436 					pVDev->pParent->u.array.pMember[iMember] = NULL;
437 			pVDev->pParent = NULL;
438 		}
439 #endif
440 		fNotifyGUI(ET_DEVICE_PLUGGED,pVDev);
441 		fCheckBootable(pVDev);
442 		RegisterVDevice(pVDev);
443 
444 #ifndef FOR_DEMO
445 		if (pAdapter->beeping) {
446 			pAdapter->beeping = 0;
447 			BeepOff(pAdapter->mvSataAdapter.adapterIoBaseAddress);
448 		}
449 #endif
450 
451 	}
452 	else
453 	{
454 		pVDev  = &(pAdapter->VDevices[channelIndex]);
455 		failDevice(pVDev);
456 	}
457 }
458 
459 static int
460 start_channel(IAL_ADAPTER_T *pAdapter, MV_U8 channelNum)
461 {
462 	MV_SATA_ADAPTER *pMvSataAdapter = &pAdapter->mvSataAdapter;
463 	MV_SATA_CHANNEL *pMvSataChannel = pMvSataAdapter->sataChannel[channelNum];
464 	MV_CHANNEL		*pChannelInfo = &(pAdapter->mvChannel[channelNum]);
465 	MV_U32          udmaMode,pioMode;
466 
467 	KdPrint(("RR18xx [%d]: start channel (%d)", pMvSataAdapter->adapterId,
468 			 channelNum));
469 
470 
471 	/* Software reset channel */
472 	if (mvStorageDevATASoftResetDevice(pMvSataAdapter, channelNum) == MV_FALSE)
473 	{
474 		MV_ERROR("RR18xx [%d,%d]: failed to perform Software reset\n",
475 				 pMvSataAdapter->adapterId, channelNum);
476 		return -1;
477 	}
478 
479 	/* Hardware reset channel */
480 	if (mvSataChannelHardReset(pMvSataAdapter, channelNum) == MV_FALSE)
481 	{
482 		/* If failed, try again - this is when trying to hardreset a channel */
483 		/* when drive is just spinning up */
484 		StallExec(5000000); /* wait 5 sec before trying again */
485 		if (mvSataChannelHardReset(pMvSataAdapter, channelNum) == MV_FALSE)
486 		{
487 			MV_ERROR("RR18xx [%d,%d]: failed to perform Hard reset\n",
488 					 pMvSataAdapter->adapterId, channelNum);
489 			return -1;
490 		}
491 	}
492 
493 	/* identify device*/
494 	if (mvStorageDevATAIdentifyDevice(pMvSataAdapter, channelNum) == MV_FALSE)
495 	{
496 		MV_ERROR("RR18xx [%d,%d]: failed to perform ATA Identify command\n"
497 				 , pMvSataAdapter->adapterId, channelNum);
498 		return -1;
499 	}
500 	if (hptmv_parse_identify_results(pMvSataChannel))
501 	{
502 		MV_ERROR("RR18xx [%d,%d]: Error in parsing ATA Identify message\n"
503 				 , pMvSataAdapter->adapterId, channelNum);
504 		return -1;
505 	}
506 
507 	/* mvStorageDevATASetFeatures */
508 	/* Disable 8 bit PIO in case CFA enabled */
509 	if (pMvSataChannel->identifyDevice[86] & 4)
510 	{
511 		KdPrint(("RR18xx [%d]: Disable 8 bit PIO (CFA enabled) \n",
512 				  pMvSataAdapter->adapterId));
513 		if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
514 									   MV_ATA_SET_FEATURES_DISABLE_8_BIT_PIO, 0,
515 									   0, 0, 0) == MV_FALSE)
516 		{
517 			MV_ERROR("RR18xx [%d]: channel %d: mvStorageDevATASetFeatures"
518 					 " failed\n", pMvSataAdapter->adapterId, channelNum);
519 			return -1;
520 		}
521 	}
522 	/* Write cache */
523 #ifdef ENABLE_WRITE_CACHE
524 	if (pMvSataChannel->identifyDevice[82] & 0x20)
525 	{
526 		if (!(pMvSataChannel->identifyDevice[85] & 0x20)) /* if not enabled by default */
527 		{
528 			if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
529 										   MV_ATA_SET_FEATURES_ENABLE_WCACHE, 0,
530 										   0, 0, 0) == MV_FALSE)
531 			{
532 				MV_ERROR("RR18xx [%d]: channel %d: mvStorageDevATASetFeatures failed\n",
533 						 pMvSataAdapter->adapterId, channelNum);
534 				return -1;
535 			}
536 		}
537 		KdPrint(("RR18xx [%d]: channel %d, write cache enabled\n",
538 				  pMvSataAdapter->adapterId, channelNum));
539 	}
540 	else
541 	{
542 		KdPrint(("RR18xx [%d]: channel %d, write cache not supported\n",
543 				  pMvSataAdapter->adapterId, channelNum));
544 	}
545 #else /* disable write cache */
546 	{
547 		if (pMvSataChannel->identifyDevice[85] & 0x20)
548 		{
549 			KdPrint(("RR18xx [%d]: channel =%d, disable write cache\n",
550 					  pMvSataAdapter->adapterId, channelNum));
551 			if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
552 										   MV_ATA_SET_FEATURES_DISABLE_WCACHE, 0,
553 										   0, 0, 0) == MV_FALSE)
554 			{
555 				MV_ERROR("RR18xx [%d]: channel %d: mvStorageDevATASetFeatures failed\n",
556 						 pMvSataAdapter->adapterId, channelNum);
557 				return -1;
558 			}
559 		}
560 		KdPrint(("RR18xx [%d]: channel=%d, write cache disabled\n",
561 				  pMvSataAdapter->adapterId, channelNum));
562 	}
563 #endif
564 
565 	/* Set transfer mode */
566 	KdPrint(("RR18xx [%d] Set transfer mode XFER_PIO_SLOW\n",
567 			  pMvSataAdapter->adapterId));
568 	if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
569 								   MV_ATA_SET_FEATURES_TRANSFER,
570 								   MV_ATA_TRANSFER_PIO_SLOW, 0, 0, 0) ==
571 		MV_FALSE)
572 	{
573 		MV_ERROR("RR18xx [%d] channel %d: Set Features failed\n",
574 				 pMvSataAdapter->adapterId, channelNum);
575 		return -1;
576 	}
577 
578 	if (pMvSataChannel->identifyDevice[IDEN_PIO_MODE_SPPORTED] & 1)
579 	{
580 		pioMode = MV_ATA_TRANSFER_PIO_4;
581 	}
582 	else if (pMvSataChannel->identifyDevice[IDEN_PIO_MODE_SPPORTED] & 2)
583 	{
584 		pioMode = MV_ATA_TRANSFER_PIO_3;
585 	}
586 	else
587 	{
588 		MV_ERROR("IAL Error in IDENTIFY info: PIO modes 3 and 4 not supported\n");
589 		pioMode = MV_ATA_TRANSFER_PIO_SLOW;
590 	}
591 
592 	KdPrint(("RR18xx [%d] Set transfer mode XFER_PIO_4\n",
593 			  pMvSataAdapter->adapterId));
594 	pAdapter->mvChannel[channelNum].maxPioModeSupported = pioMode;
595 	if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
596 								   MV_ATA_SET_FEATURES_TRANSFER,
597 								   pioMode, 0, 0, 0) == MV_FALSE)
598 	{
599 		MV_ERROR("RR18xx [%d] channel %d: Set Features failed\n",
600 				 pMvSataAdapter->adapterId, channelNum);
601 		return -1;
602 	}
603 
604 	udmaMode = MV_ATA_TRANSFER_UDMA_0;
605 	if (pMvSataChannel->identifyDevice[IDEN_UDMA_MODE] & 0x40)
606 	{
607 		udmaMode =  MV_ATA_TRANSFER_UDMA_6;
608 	}
609 	else if (pMvSataChannel->identifyDevice[IDEN_UDMA_MODE] & 0x20)
610 	{
611 		udmaMode =  MV_ATA_TRANSFER_UDMA_5;
612 	}
613 	else if (pMvSataChannel->identifyDevice[IDEN_UDMA_MODE] & 0x10)
614 	{
615 		udmaMode =  MV_ATA_TRANSFER_UDMA_4;
616 	}
617 	else if (pMvSataChannel->identifyDevice[IDEN_UDMA_MODE] & 8)
618 	{
619 		udmaMode =  MV_ATA_TRANSFER_UDMA_3;
620 	}
621 	else if (pMvSataChannel->identifyDevice[IDEN_UDMA_MODE] & 4)
622 	{
623 		udmaMode =  MV_ATA_TRANSFER_UDMA_2;
624 	}
625 
626 	KdPrint(("RR18xx [%d] Set transfer mode XFER_UDMA_%d\n",
627 			  pMvSataAdapter->adapterId, udmaMode & 0xf));
628 	pChannelInfo->maxUltraDmaModeSupported = udmaMode;
629 
630 	/*if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
631 								   MV_ATA_SET_FEATURES_TRANSFER, udmaMode,
632 								   0, 0, 0) == MV_FALSE)
633 	{
634 		MV_ERROR("RR18xx [%d] channel %d: Set Features failed\n",
635 				 pMvSataAdapter->adapterId, channelNum);
636 		return -1;
637 	}*/
638 	if (pChannelInfo->maxUltraDmaModeSupported == 0xFF)
639 		return TRUE;
640 	else
641 		do
642 		{
643 			if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
644 								   MV_ATA_SET_FEATURES_TRANSFER,
645 								   pChannelInfo->maxUltraDmaModeSupported,
646 								   0, 0, 0) == MV_FALSE)
647 			{
648 				if (pChannelInfo->maxUltraDmaModeSupported > MV_ATA_TRANSFER_UDMA_0)
649 				{
650 					if (mvStorageDevATASoftResetDevice(pMvSataAdapter, channelNum) == MV_FALSE)
651 					{
652 						MV_REG_WRITE_BYTE(pMvSataAdapter->adapterIoBaseAddress,
653 										  pMvSataChannel->eDmaRegsOffset +
654 										  0x11c, /* command reg */
655 										  MV_ATA_COMMAND_IDLE_IMMEDIATE);
656 						mvMicroSecondsDelay(10000);
657 						mvSataChannelHardReset(pMvSataAdapter, channelNum);
658 						if (mvStorageDevATASoftResetDevice(pMvSataAdapter, channelNum) == MV_FALSE)
659 							return FALSE;
660 					}
661 					if (mvSataChannelHardReset(pMvSataAdapter, channelNum) == MV_FALSE)
662 						return FALSE;
663 					pChannelInfo->maxUltraDmaModeSupported--;
664 					continue;
665 				}
666 				else   return FALSE;
667 			}
668 			break;
669 		}while (1);
670 
671 	/* Read look ahead */
672 #ifdef ENABLE_READ_AHEAD
673 	if (pMvSataChannel->identifyDevice[82] & 0x40)
674 	{
675 		if (!(pMvSataChannel->identifyDevice[85] & 0x40)) /* if not enabled by default */
676 		{
677 			if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
678 										   MV_ATA_SET_FEATURES_ENABLE_RLA, 0, 0,
679 										   0, 0) == MV_FALSE)
680 			{
681 				MV_ERROR("RR18xx [%d] channel %d: Set Features failed\n",
682 						 pMvSataAdapter->adapterId, channelNum);
683 				return -1;
684 			}
685 		}
686 		KdPrint(("RR18xx [%d]: channel=%d, read look ahead enabled\n",
687 				  pMvSataAdapter->adapterId, channelNum));
688 	}
689 	else
690 	{
691 		KdPrint(("RR18xx [%d]: channel %d, Read Look Ahead not supported\n",
692 				  pMvSataAdapter->adapterId, channelNum));
693 	}
694 #else
695 	{
696 		if (pMvSataChannel->identifyDevice[86] & 0x20)
697 		{
698 			KdPrint(("RR18xx [%d]:channel %d, disable read look ahead\n",
699 					  pMvSataAdapter->adapterId, channelNum));
700 			if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
701 										   MV_ATA_SET_FEATURES_DISABLE_RLA, 0, 0,
702 										   0, 0) == MV_FALSE)
703 			{
704 				MV_ERROR("RR18xx [%d]:channel %d:  ATA Set Features failed\n",
705 						 pMvSataAdapter->adapterId, channelNum);
706 				return -1;
707 			}
708 		}
709 		KdPrint(("RR18xx [%d]:channel %d, read look ahead disabled\n",
710 				  pMvSataAdapter->adapterId, channelNum));
711 	}
712 #endif
713 
714 
715 	{
716 		KdPrint(("RR18xx [%d]: channel %d config EDMA, Non Queued Mode\n",
717 				  pMvSataAdapter->adapterId,
718 				  channelNum));
719 		if (mvSataConfigEdmaMode(pMvSataAdapter, channelNum,
720 								 MV_EDMA_MODE_NOT_QUEUED, 0) == MV_FALSE)
721 		{
722 			MV_ERROR("RR18xx [%d] channel %d Error: mvSataConfigEdmaMode failed\n",
723 					 pMvSataAdapter->adapterId, channelNum);
724 			return -1;
725 		}
726 	}
727 	/* Enable EDMA */
728 	if (mvSataEnableChannelDma(pMvSataAdapter, channelNum) == MV_FALSE)
729 	{
730 		MV_ERROR("RR18xx [%d] Failed to enable DMA, channel=%d\n",
731 				 pMvSataAdapter->adapterId, channelNum);
732 		return -1;
733 	}
734 	MV_ERROR("RR18xx [%d,%d]: channel started successfully\n",
735 			 pMvSataAdapter->adapterId, channelNum);
736 
737 #ifndef FOR_DEMO
738 	set_fail_led(pMvSataAdapter, channelNum, 0);
739 #endif
740 	return 0;
741 }
742 
743 static void
744 hptmv_handle_event(void * data, int flag)
745 {
746 	IAL_ADAPTER_T   *pAdapter = (IAL_ADAPTER_T *)data;
747 	MV_SATA_ADAPTER *pMvSataAdapter = &pAdapter->mvSataAdapter;
748 	MV_U8           channelIndex;
749 
750 	mtx_assert(&pAdapter->lock, MA_OWNED);
751 /*	mvOsSemTake(&pMvSataAdapter->semaphore); */
752 	for (channelIndex = 0; channelIndex < MV_SATA_CHANNELS_NUM; channelIndex++)
753 	{
754 		switch(pAdapter->sataEvents[channelIndex])
755 		{
756 			case SATA_EVENT_CHANNEL_CONNECTED:
757 				/* Handle only connects */
758 				if (flag == 1)
759 					break;
760 				KdPrint(("RR18xx [%d,%d]: new device connected\n",
761 						 pMvSataAdapter->adapterId, channelIndex));
762 				hptmv_init_channel(pAdapter, channelIndex);
763 				if (mvSataConfigureChannel( pMvSataAdapter, channelIndex) == MV_FALSE)
764 				{
765 					MV_ERROR("RR18xx [%d,%d] Failed to configure\n",
766 							 pMvSataAdapter->adapterId, channelIndex);
767 					hptmv_free_channel(pAdapter, channelIndex);
768 				}
769 				else
770 				{
771 					/*mvSataChannelHardReset(pMvSataAdapter, channel);*/
772 					if (start_channel( pAdapter, channelIndex))
773 					{
774 						MV_ERROR("RR18xx [%d,%d]Failed to start channel\n",
775 								 pMvSataAdapter->adapterId, channelIndex);
776 						hptmv_free_channel(pAdapter, channelIndex);
777 					}
778 					else
779 					{
780 						device_change(pAdapter, channelIndex, TRUE);
781 					}
782 				}
783 				pAdapter->sataEvents[channelIndex] = SATA_EVENT_NO_CHANGE;
784 			   break;
785 
786 			case SATA_EVENT_CHANNEL_DISCONNECTED:
787 				/* Handle only disconnects */
788 				if (flag == 0)
789 					break;
790 				KdPrint(("RR18xx [%d,%d]: device disconnected\n",
791 						 pMvSataAdapter->adapterId, channelIndex));
792 					/* Flush pending commands */
793 				if(pMvSataAdapter->sataChannel[channelIndex])
794 				{
795 					_VBUS_INST(&pAdapter->VBus)
796 					mvSataFlushDmaQueue (pMvSataAdapter, channelIndex,
797 										 MV_FLUSH_TYPE_CALLBACK);
798 					CheckPendingCall(_VBUS_P0);
799 					mvSataRemoveChannel(pMvSataAdapter,channelIndex);
800 					hptmv_free_channel(pAdapter, channelIndex);
801 					pMvSataAdapter->sataChannel[channelIndex] = NULL;
802 					KdPrint(("RR18xx [%d,%d]: channel removed\n",
803 						 pMvSataAdapter->adapterId, channelIndex));
804 					if (pAdapter->outstandingCommands==0 && DPC_Request_Nums==0)
805 						Check_Idle_Call(pAdapter);
806 				}
807 				else
808 				{
809 					KdPrint(("RR18xx [%d,%d]: channel already removed!!\n",
810 							 pMvSataAdapter->adapterId, channelIndex));
811 				}
812 				pAdapter->sataEvents[channelIndex] = SATA_EVENT_NO_CHANGE;
813 				break;
814 
815 			case SATA_EVENT_NO_CHANGE:
816 				break;
817 
818 			default:
819 				break;
820 		}
821 	}
822 /*	mvOsSemRelease(&pMvSataAdapter->semaphore); */
823 }
824 
825 #define EVENT_CONNECT					1
826 #define EVENT_DISCONNECT				0
827 
828 static void
829 hptmv_handle_event_connect(void *data)
830 {
831   hptmv_handle_event (data, 0);
832 }
833 
834 static void
835 hptmv_handle_event_disconnect(void *data)
836 {
837   hptmv_handle_event (data, 1);
838 }
839 
840 static MV_BOOLEAN
841 hptmv_event_notify(MV_SATA_ADAPTER *pMvSataAdapter, MV_EVENT_TYPE eventType,
842 								   MV_U32 param1, MV_U32 param2)
843 {
844 	IAL_ADAPTER_T   *pAdapter = pMvSataAdapter->IALData;
845 
846 	switch (eventType)
847 	{
848 		case MV_EVENT_TYPE_SATA_CABLE:
849 			{
850 				MV_U8   channel = param2;
851 
852 				if (param1 == EVENT_CONNECT)
853 				{
854 					pAdapter->sataEvents[channel] = SATA_EVENT_CHANNEL_CONNECTED;
855 					KdPrint(("RR18xx [%d,%d]: device connected event received\n",
856 							 pMvSataAdapter->adapterId, channel));
857 					/* Delete previous timers (if multiple drives connected in the same time */
858 					callout_reset(&pAdapter->event_timer_connect, 10 * hz, hptmv_handle_event_connect, pAdapter);
859 				}
860 				else if (param1 == EVENT_DISCONNECT)
861 				{
862 					pAdapter->sataEvents[channel] = SATA_EVENT_CHANNEL_DISCONNECTED;
863 					KdPrint(("RR18xx [%d,%d]: device disconnected event received \n",
864 							 pMvSataAdapter->adapterId, channel));
865 					device_change(pAdapter, channel, FALSE);
866 					/* Delete previous timers (if multiple drives disconnected in the same time */
867 					/*callout_reset(&pAdapter->event_timer_disconnect, 10 * hz, hptmv_handle_event_disconnect, pAdapter); */
868 					/*It is not necessary to wait, handle it directly*/
869 					hptmv_handle_event_disconnect(pAdapter);
870 				}
871 				else
872 				{
873 
874 					MV_ERROR("RR18xx: illegal value for param1(%d) at "
875 							 "connect/disconnect event, host=%d\n", param1,
876 							 pMvSataAdapter->adapterId );
877 
878 				}
879 			}
880 			break;
881 		case MV_EVENT_TYPE_ADAPTER_ERROR:
882 			KdPrint(("RR18xx: DEVICE error event received, pci cause "
883 					  "reg=%x,  don't how to handle this\n", param1));
884 			return MV_TRUE;
885 		default:
886 			MV_ERROR("RR18xx[%d]: unknown event type (%d)\n",
887 					 pMvSataAdapter->adapterId, eventType);
888 			return MV_FALSE;
889 	}
890 	return MV_TRUE;
891 }
892 
893 static int
894 hptmv_allocate_edma_queues(IAL_ADAPTER_T *pAdapter)
895 {
896 	pAdapter->requestsArrayBaseAddr = (MV_U8 *)contigmalloc(REQUESTS_ARRAY_SIZE,
897 			M_DEVBUF, M_NOWAIT, 0, 0xffffffff, PAGE_SIZE, 0ul);
898 	if (pAdapter->requestsArrayBaseAddr == NULL)
899 	{
900 		MV_ERROR("RR18xx[%d]: Failed to allocate memory for EDMA request"
901 				 " queues\n", pAdapter->mvSataAdapter.adapterId);
902 		return -1;
903 	}
904 	pAdapter->requestsArrayBaseDmaAddr = fOsPhysicalAddress(pAdapter->requestsArrayBaseAddr);
905 	pAdapter->requestsArrayBaseAlignedAddr = pAdapter->requestsArrayBaseAddr;
906 	pAdapter->requestsArrayBaseAlignedAddr += MV_EDMA_REQUEST_QUEUE_SIZE;
907 	pAdapter->requestsArrayBaseAlignedAddr  = (MV_U8 *)
908 		(((ULONG_PTR)pAdapter->requestsArrayBaseAlignedAddr) & ~(ULONG_PTR)(MV_EDMA_REQUEST_QUEUE_SIZE - 1));
909 	pAdapter->requestsArrayBaseDmaAlignedAddr = pAdapter->requestsArrayBaseDmaAddr;
910 	pAdapter->requestsArrayBaseDmaAlignedAddr += MV_EDMA_REQUEST_QUEUE_SIZE;
911 	pAdapter->requestsArrayBaseDmaAlignedAddr &= ~(ULONG_PTR)(MV_EDMA_REQUEST_QUEUE_SIZE - 1);
912 
913 	if ((pAdapter->requestsArrayBaseDmaAlignedAddr - pAdapter->requestsArrayBaseDmaAddr) !=
914 		(pAdapter->requestsArrayBaseAlignedAddr - pAdapter->requestsArrayBaseAddr))
915 	{
916 		MV_ERROR("RR18xx[%d]: Error in Request Quueues Alignment\n",
917 				 pAdapter->mvSataAdapter.adapterId);
918 		contigfree(pAdapter->requestsArrayBaseAddr, REQUESTS_ARRAY_SIZE, M_DEVBUF);
919 		return -1;
920 	}
921 	/* response queues */
922 	pAdapter->responsesArrayBaseAddr = (MV_U8 *)contigmalloc(RESPONSES_ARRAY_SIZE,
923 			M_DEVBUF, M_NOWAIT, 0, 0xffffffff, PAGE_SIZE, 0ul);
924 	if (pAdapter->responsesArrayBaseAddr == NULL)
925 	{
926 		MV_ERROR("RR18xx[%d]: Failed to allocate memory for EDMA response"
927 				 " queues\n", pAdapter->mvSataAdapter.adapterId);
928 		contigfree(pAdapter->requestsArrayBaseAddr, RESPONSES_ARRAY_SIZE, M_DEVBUF);
929 		return -1;
930 	}
931 	pAdapter->responsesArrayBaseDmaAddr = fOsPhysicalAddress(pAdapter->responsesArrayBaseAddr);
932 	pAdapter->responsesArrayBaseAlignedAddr = pAdapter->responsesArrayBaseAddr;
933 	pAdapter->responsesArrayBaseAlignedAddr += MV_EDMA_RESPONSE_QUEUE_SIZE;
934 	pAdapter->responsesArrayBaseAlignedAddr  = (MV_U8 *)
935 		(((ULONG_PTR)pAdapter->responsesArrayBaseAlignedAddr) & ~(ULONG_PTR)(MV_EDMA_RESPONSE_QUEUE_SIZE - 1));
936 	pAdapter->responsesArrayBaseDmaAlignedAddr = pAdapter->responsesArrayBaseDmaAddr;
937 	pAdapter->responsesArrayBaseDmaAlignedAddr += MV_EDMA_RESPONSE_QUEUE_SIZE;
938 	pAdapter->responsesArrayBaseDmaAlignedAddr &= ~(ULONG_PTR)(MV_EDMA_RESPONSE_QUEUE_SIZE - 1);
939 
940 	if ((pAdapter->responsesArrayBaseDmaAlignedAddr - pAdapter->responsesArrayBaseDmaAddr) !=
941 		(pAdapter->responsesArrayBaseAlignedAddr - pAdapter->responsesArrayBaseAddr))
942 	{
943 		MV_ERROR("RR18xx[%d]: Error in Response Queues Alignment\n",
944 				 pAdapter->mvSataAdapter.adapterId);
945 		contigfree(pAdapter->requestsArrayBaseAddr, REQUESTS_ARRAY_SIZE, M_DEVBUF);
946 		contigfree(pAdapter->responsesArrayBaseAddr, RESPONSES_ARRAY_SIZE, M_DEVBUF);
947 		return -1;
948 	}
949 	return 0;
950 }
951 
952 static void
953 hptmv_free_edma_queues(IAL_ADAPTER_T *pAdapter)
954 {
955 	contigfree(pAdapter->requestsArrayBaseAddr, REQUESTS_ARRAY_SIZE, M_DEVBUF);
956 	contigfree(pAdapter->responsesArrayBaseAddr, RESPONSES_ARRAY_SIZE, M_DEVBUF);
957 }
958 
959 static PVOID
960 AllocatePRDTable(IAL_ADAPTER_T *pAdapter)
961 {
962 	PVOID ret;
963 	if (pAdapter->pFreePRDLink) {
964 		KdPrint(("pAdapter->pFreePRDLink:%p\n",pAdapter->pFreePRDLink));
965 		ret = pAdapter->pFreePRDLink;
966 		pAdapter->pFreePRDLink = *(void**)ret;
967 		return ret;
968 	}
969 	return NULL;
970 }
971 
972 static void
973 FreePRDTable(IAL_ADAPTER_T *pAdapter, PVOID PRDTable)
974 {
975 	*(void**)PRDTable = pAdapter->pFreePRDLink;
976 	pAdapter->pFreePRDLink = PRDTable;
977 }
978 
979 extern PVDevice fGetFirstChild(PVDevice pLogical);
980 extern void fResetBootMark(PVDevice pLogical);
981 static void
982 fRegisterVdevice(IAL_ADAPTER_T *pAdapter)
983 {
984 	PVDevice pPhysical, pLogical;
985 	PVBus  pVBus;
986 	int i,j;
987 
988 	for(i=0;i<MV_SATA_CHANNELS_NUM;i++) {
989 		pPhysical = &(pAdapter->VDevices[i]);
990 		pLogical = pPhysical;
991 		while (pLogical->pParent) pLogical = pLogical->pParent;
992 		if (pLogical->vf_online==0) {
993 			pPhysical->vf_bootmark = pLogical->vf_bootmark = 0;
994 			continue;
995 		}
996 		if (pLogical->VDeviceType==VD_SPARE || pPhysical!=fGetFirstChild(pLogical))
997 			continue;
998 
999 		pVBus = &pAdapter->VBus;
1000 		if(pVBus)
1001 		{
1002 			j=0;
1003 			while(j<MAX_VDEVICE_PER_VBUS && pVBus->pVDevice[j]) j++;
1004 			if(j<MAX_VDEVICE_PER_VBUS){
1005 				pVBus->pVDevice[j] = pLogical;
1006 				pLogical->pVBus = pVBus;
1007 
1008 				if (j>0 && pLogical->vf_bootmark) {
1009 					if (pVBus->pVDevice[0]->vf_bootmark) {
1010 						fResetBootMark(pLogical);
1011 					}
1012 					else {
1013 						do { pVBus->pVDevice[j] = pVBus->pVDevice[j-1]; } while (--j);
1014 						pVBus->pVDevice[0] = pLogical;
1015 					}
1016 				}
1017 			}
1018 		}
1019 	}
1020 }
1021 
1022 PVDevice
1023 GetSpareDisk(_VBUS_ARG PVDevice pArray)
1024 {
1025 	IAL_ADAPTER_T *pAdapter = (IAL_ADAPTER_T *)pArray->pVBus->OsExt;
1026 	LBA_T capacity = LongDiv(pArray->VDeviceCapacity, pArray->u.array.bArnMember-1);
1027 	LBA_T thiscap, maxcap = MAX_LBA_T;
1028 	PVDevice pVDevice, pFind = NULL;
1029 	int i;
1030 
1031 	for(i=0;i<MV_SATA_CHANNELS_NUM;i++)
1032 	{
1033 		pVDevice = &pAdapter->VDevices[i];
1034 		if(!pVDevice)
1035 			continue;
1036 		thiscap = pArray->vf_format_v2? pVDevice->u.disk.dDeRealCapacity : pVDevice->VDeviceCapacity;
1037 		/* find the smallest usable spare disk */
1038 		if (pVDevice->VDeviceType==VD_SPARE &&
1039 			pVDevice->u.disk.df_on_line &&
1040 			thiscap < maxcap &&
1041 			thiscap >= capacity)
1042 		{
1043 				maxcap = pVDevice->VDeviceCapacity;
1044 				pFind = pVDevice;
1045 		}
1046 	}
1047 	return pFind;
1048 }
1049 
1050 /******************************************************************
1051  * IO ATA Command
1052  *******************************************************************/
1053 int HPTLIBAPI
1054 fDeReadWrite(PDevice pDev, ULONG Lba, UCHAR Cmd, void *tmpBuffer)
1055 {
1056 	return mvReadWrite(pDev->mv, Lba, Cmd, tmpBuffer);
1057 }
1058 
1059 void HPTLIBAPI fDeSelectMode(PDevice pDev, UCHAR NewMode)
1060 {
1061 	MV_SATA_CHANNEL *pSataChannel = pDev->mv;
1062 	MV_SATA_ADAPTER *pSataAdapter = pSataChannel->mvSataAdapter;
1063 	MV_U8 channelIndex = pSataChannel->channelNumber;
1064 	UCHAR mvMode;
1065 	/* 508x don't use MW-DMA? */
1066 	if (NewMode>4 && NewMode<8) NewMode = 4;
1067 	pDev->bDeModeSetting = NewMode;
1068 	if (NewMode<=4)
1069 		mvMode = MV_ATA_TRANSFER_PIO_0 + NewMode;
1070 	else
1071 		mvMode = MV_ATA_TRANSFER_UDMA_0 + (NewMode-8);
1072 
1073 	/*To fix 88i8030 bug*/
1074 	if (mvMode > MV_ATA_TRANSFER_UDMA_0 && mvMode < MV_ATA_TRANSFER_UDMA_4)
1075 		mvMode = MV_ATA_TRANSFER_UDMA_0;
1076 
1077 	mvSataDisableChannelDma(pSataAdapter, channelIndex);
1078 	/* Flush pending commands */
1079 	mvSataFlushDmaQueue (pSataAdapter, channelIndex, MV_FLUSH_TYPE_NONE);
1080 
1081 	if (mvStorageDevATASetFeatures(pSataAdapter, channelIndex,
1082 								   MV_ATA_SET_FEATURES_TRANSFER,
1083 								   mvMode, 0, 0, 0) == MV_FALSE)
1084 	{
1085 		KdPrint(("channel %d: Set Features failed\n", channelIndex));
1086 	}
1087 	/* Enable EDMA */
1088 	if (mvSataEnableChannelDma(pSataAdapter, channelIndex) == MV_FALSE)
1089 		KdPrint(("Failed to enable DMA, channel=%d", channelIndex));
1090 }
1091 
1092 int HPTLIBAPI fDeSetTCQ(PDevice pDev, int enable, int depth)
1093 {
1094 	MV_SATA_CHANNEL *pSataChannel = pDev->mv;
1095 	MV_SATA_ADAPTER *pSataAdapter = pSataChannel->mvSataAdapter;
1096 	MV_U8 channelIndex = pSataChannel->channelNumber;
1097 	IAL_ADAPTER_T *pAdapter = pSataAdapter->IALData;
1098 	MV_CHANNEL		*channelInfo = &(pAdapter->mvChannel[channelIndex]);
1099 	int dmaActive = pSataChannel->queueCommandsEnabled;
1100 	int ret = 0;
1101 
1102 	if (dmaActive) {
1103 		mvSataDisableChannelDma(pSataAdapter, channelIndex);
1104 		mvSataFlushDmaQueue(pSataAdapter,channelIndex,MV_FLUSH_TYPE_CALLBACK);
1105 	}
1106 
1107 	if (enable) {
1108 		if (pSataChannel->queuedDMA == MV_EDMA_MODE_NOT_QUEUED &&
1109 			(pSataChannel->identifyDevice[IDEN_SUPPORTED_COMMANDS2] & (0x2))) {
1110 			UCHAR depth = ((pSataChannel->identifyDevice[IDEN_QUEUE_DEPTH]) & 0x1f) + 1;
1111 			channelInfo->queueDepth = (depth==32)? 31 : depth;
1112 			mvSataConfigEdmaMode(pSataAdapter, channelIndex, MV_EDMA_MODE_QUEUED, depth);
1113 			ret = 1;
1114 		}
1115 	}
1116 	else
1117 	{
1118 		if (pSataChannel->queuedDMA != MV_EDMA_MODE_NOT_QUEUED) {
1119 			channelInfo->queueDepth = 2;
1120 			mvSataConfigEdmaMode(pSataAdapter, channelIndex, MV_EDMA_MODE_NOT_QUEUED, 0);
1121 			ret = 1;
1122 		}
1123 	}
1124 
1125 	if (dmaActive)
1126 		mvSataEnableChannelDma(pSataAdapter,channelIndex);
1127 	return ret;
1128 }
1129 
1130 int HPTLIBAPI fDeSetNCQ(PDevice pDev, int enable, int depth)
1131 {
1132 	return 0;
1133 }
1134 
1135 int HPTLIBAPI fDeSetWriteCache(PDevice pDev, int enable)
1136 {
1137 	MV_SATA_CHANNEL *pSataChannel = pDev->mv;
1138 	MV_SATA_ADAPTER *pSataAdapter = pSataChannel->mvSataAdapter;
1139 	MV_U8 channelIndex = pSataChannel->channelNumber;
1140 	IAL_ADAPTER_T *pAdapter = pSataAdapter->IALData;
1141 	MV_CHANNEL		*channelInfo = &(pAdapter->mvChannel[channelIndex]);
1142 	int dmaActive = pSataChannel->queueCommandsEnabled;
1143 	int ret = 0;
1144 
1145 	if (dmaActive) {
1146 		mvSataDisableChannelDma(pSataAdapter, channelIndex);
1147 		mvSataFlushDmaQueue(pSataAdapter,channelIndex,MV_FLUSH_TYPE_CALLBACK);
1148 	}
1149 
1150 	if ((pSataChannel->identifyDevice[82] & (0x20))) {
1151 		if (enable) {
1152 			if (mvStorageDevATASetFeatures(pSataAdapter, channelIndex,
1153 				MV_ATA_SET_FEATURES_ENABLE_WCACHE, 0, 0, 0, 0))
1154 			{
1155 				channelInfo->writeCacheEnabled = MV_TRUE;
1156 				ret = 1;
1157 			}
1158 		}
1159 		else {
1160 			if (mvStorageDevATASetFeatures(pSataAdapter, channelIndex,
1161 				MV_ATA_SET_FEATURES_DISABLE_WCACHE, 0, 0, 0, 0))
1162 			{
1163 				channelInfo->writeCacheEnabled = MV_FALSE;
1164 				ret = 1;
1165 			}
1166 		}
1167 	}
1168 
1169 	if (dmaActive)
1170 		mvSataEnableChannelDma(pSataAdapter,channelIndex);
1171 	return ret;
1172 }
1173 
1174 int HPTLIBAPI fDeSetReadAhead(PDevice pDev, int enable)
1175 {
1176 	MV_SATA_CHANNEL *pSataChannel = pDev->mv;
1177 	MV_SATA_ADAPTER *pSataAdapter = pSataChannel->mvSataAdapter;
1178 	MV_U8 channelIndex = pSataChannel->channelNumber;
1179 	IAL_ADAPTER_T *pAdapter = pSataAdapter->IALData;
1180 	MV_CHANNEL		*channelInfo = &(pAdapter->mvChannel[channelIndex]);
1181 	int dmaActive = pSataChannel->queueCommandsEnabled;
1182 	int ret = 0;
1183 
1184 	if (dmaActive) {
1185 		mvSataDisableChannelDma(pSataAdapter, channelIndex);
1186 		mvSataFlushDmaQueue(pSataAdapter,channelIndex,MV_FLUSH_TYPE_CALLBACK);
1187 	}
1188 
1189 	if ((pSataChannel->identifyDevice[82] & (0x40))) {
1190 		if (enable) {
1191 			if (mvStorageDevATASetFeatures(pSataAdapter, channelIndex,
1192 				MV_ATA_SET_FEATURES_ENABLE_RLA, 0, 0, 0, 0))
1193 			{
1194 				channelInfo->readAheadEnabled = MV_TRUE;
1195 				ret = 1;
1196 			}
1197 		}
1198 		else {
1199 			if (mvStorageDevATASetFeatures(pSataAdapter, channelIndex,
1200 				MV_ATA_SET_FEATURES_DISABLE_RLA, 0, 0, 0, 0))
1201 			{
1202 				channelInfo->readAheadEnabled = MV_FALSE;
1203 				ret = 1;
1204 			}
1205 		}
1206 	}
1207 
1208 	if (dmaActive)
1209 		mvSataEnableChannelDma(pSataAdapter,channelIndex);
1210 	return ret;
1211 }
1212 
1213 #ifdef SUPPORT_ARRAY
1214 #define IdeRegisterVDevice  fCheckArray
1215 #else
1216 void
1217 IdeRegisterVDevice(PDevice pDev)
1218 {
1219 	PVDevice pVDev = Map2pVDevice(pDev);
1220 
1221 	pVDev->VDeviceType = pDev->df_atapi? VD_ATAPI :
1222 						 pDev->df_removable_drive? VD_REMOVABLE : VD_SINGLE_DISK;
1223 	pVDev->vf_online = 1;
1224 	pVDev->VDeviceCapacity = pDev->dDeRealCapacity;
1225 	pVDev->pfnSendCommand = pfnSendCommand[pVDev->VDeviceType];
1226 	pVDev->pfnDeviceFailed = pfnDeviceFailed[pVDev->VDeviceType];
1227 }
1228 #endif
1229 
1230 static __inline PBUS_DMAMAP
1231 dmamap_get(struct IALAdapter * pAdapter)
1232 {
1233 	PBUS_DMAMAP	p = pAdapter->pbus_dmamap_list;
1234 	if (p)
1235 		pAdapter->pbus_dmamap_list = p-> next;
1236 	return p;
1237 }
1238 
1239 static __inline void
1240 dmamap_put(PBUS_DMAMAP p)
1241 {
1242 	p->next = p->pAdapter->pbus_dmamap_list;
1243 	p->pAdapter->pbus_dmamap_list = p;
1244 }
1245 
1246 static int num_adapters = 0;
1247 static int
1248 init_adapter(IAL_ADAPTER_T *pAdapter)
1249 {
1250 	PVBus _vbus_p = &pAdapter->VBus;
1251 	MV_SATA_ADAPTER *pMvSataAdapter;
1252 	int i, channel, rid;
1253 
1254 	PVDevice pVDev;
1255 
1256 	mtx_init(&pAdapter->lock, "hptsleeplock", NULL, MTX_DEF);
1257 	callout_init_mtx(&pAdapter->event_timer_connect, &pAdapter->lock, 0);
1258 	callout_init_mtx(&pAdapter->event_timer_disconnect, &pAdapter->lock, 0);
1259 
1260 	sx_xlock(&hptmv_list_lock);
1261 	pAdapter->next = 0;
1262 
1263 	if(gIal_Adapter == NULL){
1264 		gIal_Adapter = pAdapter;
1265 		pCurAdapter = gIal_Adapter;
1266 	}
1267 	else {
1268 		pCurAdapter->next = pAdapter;
1269 		pCurAdapter = pAdapter;
1270 	}
1271 	sx_xunlock(&hptmv_list_lock);
1272 
1273 	pAdapter->outstandingCommands = 0;
1274 
1275 	pMvSataAdapter = &(pAdapter->mvSataAdapter);
1276 	_vbus_p->OsExt = (void *)pAdapter;
1277 	pMvSataAdapter->IALData = pAdapter;
1278 
1279 	if (bus_dma_tag_create(bus_get_dma_tag(pAdapter->hpt_dev),/* parent */
1280 			4,	/* alignment */
1281 			BUS_SPACE_MAXADDR_32BIT+1, /* boundary */
1282 			BUS_SPACE_MAXADDR,	/* lowaddr */
1283 			BUS_SPACE_MAXADDR,	/* highaddr */
1284 			NULL, NULL, 		/* filter, filterarg */
1285 			PAGE_SIZE * (MAX_SG_DESCRIPTORS-1), /* maxsize */
1286 			MAX_SG_DESCRIPTORS, /* nsegments */
1287 			0x10000,	/* maxsegsize */
1288 			BUS_DMA_WAITOK, 	/* flags */
1289 			busdma_lock_mutex,	/* lockfunc */
1290 			&pAdapter->lock,	/* lockfuncarg */
1291 			&pAdapter->io_dma_parent /* tag */))
1292 		{
1293 			return ENXIO;
1294 	}
1295 
1296 
1297 	if (hptmv_allocate_edma_queues(pAdapter))
1298 	{
1299 		MV_ERROR("RR18xx: Failed to allocate memory for EDMA queues\n");
1300 		return ENOMEM;
1301 	}
1302 
1303 	/* also map EPROM address */
1304 	rid = 0x10;
1305 	if (!(pAdapter->mem_res = bus_alloc_resource_any(pAdapter->hpt_dev,
1306 			SYS_RES_MEMORY, &rid, RF_ACTIVE))
1307 		||
1308 		!(pMvSataAdapter->adapterIoBaseAddress = rman_get_virtual(pAdapter->mem_res)))
1309 	{
1310 		MV_ERROR("RR18xx: Failed to remap memory space\n");
1311 		hptmv_free_edma_queues(pAdapter);
1312 		return ENXIO;
1313 	}
1314 	else
1315 	{
1316 		KdPrint(("RR18xx: io base address 0x%p\n", pMvSataAdapter->adapterIoBaseAddress));
1317 	}
1318 
1319 	pMvSataAdapter->adapterId = num_adapters++;
1320 	/* get the revision ID */
1321 	pMvSataAdapter->pciConfigRevisionId = pci_read_config(pAdapter->hpt_dev, PCIR_REVID, 1);
1322 	pMvSataAdapter->pciConfigDeviceId = pci_get_device(pAdapter->hpt_dev);
1323 
1324 	/* init RR18xx */
1325 	pMvSataAdapter->intCoalThre[0]= 1;
1326 	pMvSataAdapter->intCoalThre[1]= 1;
1327 	pMvSataAdapter->intTimeThre[0] = 1;
1328 	pMvSataAdapter->intTimeThre[1] = 1;
1329 	pMvSataAdapter->pciCommand = 0x0107E371;
1330 	pMvSataAdapter->pciSerrMask = 0xd77fe6ul;
1331 	pMvSataAdapter->pciInterruptMask = 0xd77fe6ul;
1332 	pMvSataAdapter->mvSataEventNotify = hptmv_event_notify;
1333 
1334 	if (mvSataInitAdapter(pMvSataAdapter) == MV_FALSE)
1335 	{
1336 		MV_ERROR("RR18xx[%d]: core failed to initialize the adapter\n",
1337 				 pMvSataAdapter->adapterId);
1338 unregister:
1339 		bus_release_resource(pAdapter->hpt_dev, SYS_RES_MEMORY, rid, pAdapter->mem_res);
1340 		hptmv_free_edma_queues(pAdapter);
1341 		return ENXIO;
1342 	}
1343 	pAdapter->ver_601 = pMvSataAdapter->pcbVersion;
1344 
1345 #ifndef FOR_DEMO
1346 	set_fail_leds(pMvSataAdapter, 0);
1347 #endif
1348 
1349 	/* setup command blocks */
1350 	KdPrint(("Allocate command blocks\n"));
1351 	_vbus_(pFreeCommands) = 0;
1352 	pAdapter->pCommandBlocks =
1353 		malloc(sizeof(struct _Command) * MAX_COMMAND_BLOCKS_FOR_EACH_VBUS, M_DEVBUF, M_NOWAIT);
1354 	KdPrint(("pCommandBlocks:%p\n",pAdapter->pCommandBlocks));
1355 	if (!pAdapter->pCommandBlocks) {
1356 		MV_ERROR("insufficient memory\n");
1357 		goto unregister;
1358 	}
1359 
1360 	for (i=0; i<MAX_COMMAND_BLOCKS_FOR_EACH_VBUS; i++) {
1361 		FreeCommand(_VBUS_P &(pAdapter->pCommandBlocks[i]));
1362 	}
1363 
1364 	/*Set up the bus_dmamap*/
1365 	pAdapter->pbus_dmamap = (PBUS_DMAMAP)malloc (sizeof(struct _BUS_DMAMAP) * MAX_QUEUE_COMM, M_DEVBUF, M_NOWAIT);
1366 	if(!pAdapter->pbus_dmamap) {
1367 		MV_ERROR("insufficient memory\n");
1368 		free(pAdapter->pCommandBlocks, M_DEVBUF);
1369 		goto unregister;
1370 	}
1371 
1372 	memset((void *)pAdapter->pbus_dmamap, 0, sizeof(struct _BUS_DMAMAP) * MAX_QUEUE_COMM);
1373 	pAdapter->pbus_dmamap_list = 0;
1374 	for (i=0; i < MAX_QUEUE_COMM; i++) {
1375 		PBUS_DMAMAP  pmap = &(pAdapter->pbus_dmamap[i]);
1376 		pmap->pAdapter = pAdapter;
1377 		dmamap_put(pmap);
1378 
1379 		if(bus_dmamap_create(pAdapter->io_dma_parent, 0, &pmap->dma_map)) {
1380 			MV_ERROR("Can not allocate dma map\n");
1381 			free(pAdapter->pCommandBlocks, M_DEVBUF);
1382 			free(pAdapter->pbus_dmamap, M_DEVBUF);
1383 			goto unregister;
1384 		}
1385 		callout_init_mtx(&pmap->timeout, &pAdapter->lock, 0);
1386 	}
1387 	/* setup PRD Tables */
1388 	KdPrint(("Allocate PRD Tables\n"));
1389 	pAdapter->pFreePRDLink = 0;
1390 
1391 	pAdapter->prdTableAddr = (PUCHAR)contigmalloc(
1392 		(PRD_ENTRIES_SIZE*PRD_TABLES_FOR_VBUS + 32), M_DEVBUF, M_NOWAIT, 0, 0xffffffff, PAGE_SIZE, 0ul);
1393 
1394 	KdPrint(("prdTableAddr:%p\n",pAdapter->prdTableAddr));
1395 	if (!pAdapter->prdTableAddr) {
1396 		MV_ERROR("insufficient PRD Tables\n");
1397 		goto unregister;
1398 	}
1399 	pAdapter->prdTableAlignedAddr = (PUCHAR)(((ULONG_PTR)pAdapter->prdTableAddr + 0x1f) & ~(ULONG_PTR)0x1fL);
1400 	{
1401 		PUCHAR PRDTable = pAdapter->prdTableAlignedAddr;
1402 		for (i=0; i<PRD_TABLES_FOR_VBUS; i++)
1403 		{
1404 /*			KdPrint(("i=%d,pAdapter->pFreePRDLink=%p\n",i,pAdapter->pFreePRDLink)); */
1405 			FreePRDTable(pAdapter, PRDTable);
1406 			PRDTable += PRD_ENTRIES_SIZE;
1407 		}
1408 	}
1409 
1410 	/* enable the adapter interrupts */
1411 
1412 	/* configure and start the connected channels*/
1413 	for (channel = 0; channel < MV_SATA_CHANNELS_NUM; channel++)
1414 	{
1415 		pAdapter->mvChannel[channel].online = MV_FALSE;
1416 		if (mvSataIsStorageDeviceConnected(pMvSataAdapter, channel)
1417 			== MV_TRUE)
1418 		{
1419 			KdPrint(("RR18xx[%d]: channel %d is connected\n",
1420 					  pMvSataAdapter->adapterId, channel));
1421 
1422 			if (hptmv_init_channel(pAdapter, channel) == 0)
1423 			{
1424 				if (mvSataConfigureChannel(pMvSataAdapter, channel) == MV_FALSE)
1425 				{
1426 					MV_ERROR("RR18xx[%d]: Failed to configure channel"
1427 							 " %d\n",pMvSataAdapter->adapterId, channel);
1428 					hptmv_free_channel(pAdapter, channel);
1429 				}
1430 				else
1431 				{
1432 					if (start_channel(pAdapter, channel))
1433 					{
1434 						MV_ERROR("RR18xx[%d]: Failed to start channel,"
1435 								 " channel=%d\n",pMvSataAdapter->adapterId,
1436 								 channel);
1437 						hptmv_free_channel(pAdapter, channel);
1438 					}
1439 					pAdapter->mvChannel[channel].online = MV_TRUE;
1440 					/*  mvSataChannelSetEdmaLoopBackMode(pMvSataAdapter,
1441 													   channel,
1442 													   MV_TRUE);*/
1443 				}
1444 			}
1445 		}
1446 		KdPrint(("pAdapter->mvChannel[channel].online:%x, channel:%d\n",
1447 			pAdapter->mvChannel[channel].online, channel));
1448 	}
1449 
1450 #ifdef SUPPORT_ARRAY
1451 	for(i = MAX_ARRAY_DEVICE - 1; i >= 0; i--) {
1452 		pVDev = ArrayTables(i);
1453 		mArFreeArrayTable(pVDev);
1454 	}
1455 #endif
1456 
1457 	KdPrint(("Initialize Devices\n"));
1458 	for (channel = 0; channel < MV_SATA_CHANNELS_NUM; channel++) {
1459 		MV_SATA_CHANNEL *pMvSataChannel = pMvSataAdapter->sataChannel[channel];
1460 		if (pMvSataChannel) {
1461 			init_vdev_params(pAdapter, channel);
1462 			IdeRegisterVDevice(&pAdapter->VDevices[channel].u.disk);
1463 		}
1464 	}
1465 #ifdef SUPPORT_ARRAY
1466 	CheckArrayCritical(_VBUS_P0);
1467 #endif
1468 	_vbus_p->nInstances = 1;
1469 	fRegisterVdevice(pAdapter);
1470 
1471 	for (channel=0;channel<MV_SATA_CHANNELS_NUM;channel++) {
1472 		pVDev = _vbus_p->pVDevice[channel];
1473 		if (pVDev && pVDev->vf_online)
1474 			fCheckBootable(pVDev);
1475 	}
1476 
1477 #if defined(SUPPORT_ARRAY) && defined(_RAID5N_)
1478 	init_raid5_memory(_VBUS_P0);
1479 	_vbus_(r5).enable_write_back = 1;
1480 	printf("RR18xx: RAID5 write-back %s\n", _vbus_(r5).enable_write_back? "enabled" : "disabled");
1481 #endif
1482 
1483 	mvSataUnmaskAdapterInterrupt(pMvSataAdapter);
1484 	return 0;
1485 }
1486 
1487 int
1488 MvSataResetChannel(MV_SATA_ADAPTER *pMvSataAdapter, MV_U8 channel)
1489 {
1490 	IAL_ADAPTER_T   *pAdapter = (IAL_ADAPTER_T *)pMvSataAdapter->IALData;
1491 
1492 	mvSataDisableChannelDma(pMvSataAdapter, channel);
1493 	/* Flush pending commands */
1494 	mvSataFlushDmaQueue (pMvSataAdapter, channel, MV_FLUSH_TYPE_CALLBACK);
1495 
1496 	/* Software reset channel */
1497 	if (mvStorageDevATASoftResetDevice(pMvSataAdapter, channel) == MV_FALSE)
1498 	{
1499 		MV_ERROR("RR18xx [%d,%d]: failed to perform Software reset\n",
1500 				 pMvSataAdapter->adapterId, channel);
1501 		hptmv_free_channel(pAdapter, channel);
1502 		return -1;
1503 	}
1504 
1505 	/* Hardware reset channel */
1506 	if (mvSataChannelHardReset(pMvSataAdapter, channel)== MV_FALSE)
1507 	{
1508 		MV_ERROR("RR18xx [%d,%d] Failed to Hard reser the SATA channel\n",
1509 				 pMvSataAdapter->adapterId, channel);
1510 		hptmv_free_channel(pAdapter, channel);
1511 		return -1;
1512 	}
1513 
1514 	if (mvSataIsStorageDeviceConnected(pMvSataAdapter, channel) == MV_FALSE)
1515 	{
1516 		 MV_ERROR("RR18xx [%d,%d] Failed to Connect Device\n",
1517 				 pMvSataAdapter->adapterId, channel);
1518 		hptmv_free_channel(pAdapter, channel);
1519 		return -1;
1520 	}else
1521 	{
1522 		MV_ERROR("channel %d: perform recalibrate command", channel);
1523 		if (!mvStorageDevATAExecuteNonUDMACommand(pMvSataAdapter, channel,
1524 								MV_NON_UDMA_PROTOCOL_NON_DATA,
1525 								MV_FALSE,
1526 								NULL,	 /* pBuffer*/
1527 								0,		 /* count  */
1528 								0,		/*features*/
1529 										/* sectorCount */
1530 								0,
1531 								0,	/* lbaLow */
1532 								0,	/* lbaMid */
1533 									/* lbaHigh */
1534 								0,
1535 								0,		/* device */
1536 										/* command */
1537 								0x10))
1538 			MV_ERROR("channel %d: recalibrate failed", channel);
1539 
1540 		/* Set transfer mode */
1541 		if((mvStorageDevATASetFeatures(pMvSataAdapter, channel,
1542 						MV_ATA_SET_FEATURES_TRANSFER,
1543 						MV_ATA_TRANSFER_PIO_SLOW, 0, 0, 0) == MV_FALSE) ||
1544 			(mvStorageDevATASetFeatures(pMvSataAdapter, channel,
1545 						MV_ATA_SET_FEATURES_TRANSFER,
1546 						pAdapter->mvChannel[channel].maxPioModeSupported, 0, 0, 0) == MV_FALSE) ||
1547 			(mvStorageDevATASetFeatures(pMvSataAdapter, channel,
1548 						MV_ATA_SET_FEATURES_TRANSFER,
1549 						pAdapter->mvChannel[channel].maxUltraDmaModeSupported, 0, 0, 0) == MV_FALSE) )
1550 		{
1551 			MV_ERROR("channel %d: Set Features failed", channel);
1552 			hptmv_free_channel(pAdapter, channel);
1553 			return -1;
1554 		}
1555 		/* Enable EDMA */
1556 		if (mvSataEnableChannelDma(pMvSataAdapter, channel) == MV_FALSE)
1557 		{
1558 			MV_ERROR("Failed to enable DMA, channel=%d", channel);
1559 			hptmv_free_channel(pAdapter, channel);
1560 			return -1;
1561 		}
1562 	}
1563 	return 0;
1564 }
1565 
1566 static int
1567 fResetActiveCommands(PVBus _vbus_p)
1568 {
1569 	MV_SATA_ADAPTER *pMvSataAdapter = &((IAL_ADAPTER_T *)_vbus_p->OsExt)->mvSataAdapter;
1570 	MV_U8 channel;
1571 	for (channel=0;channel< MV_SATA_CHANNELS_NUM;channel++) {
1572 		if (pMvSataAdapter->sataChannel[channel] && pMvSataAdapter->sataChannel[channel]->outstandingCommands)
1573 			MvSataResetChannel(pMvSataAdapter,channel);
1574 	}
1575 	return 0;
1576 }
1577 
1578 void fCompleteAllCommandsSynchronously(PVBus _vbus_p)
1579 {
1580 	UINT cont;
1581 	ULONG ticks = 0;
1582 	MV_U8 channel;
1583 	MV_SATA_ADAPTER *pMvSataAdapter = &((IAL_ADAPTER_T *)_vbus_p->OsExt)->mvSataAdapter;
1584 	MV_SATA_CHANNEL *pMvSataChannel;
1585 
1586 	do {
1587 check_cmds:
1588 		cont = 0;
1589 		CheckPendingCall(_VBUS_P0);
1590 #ifdef _RAID5N_
1591 		dataxfer_poll();
1592 		xor_poll();
1593 #endif
1594 		for (channel=0;channel< MV_SATA_CHANNELS_NUM;channel++) {
1595 			pMvSataChannel = pMvSataAdapter->sataChannel[channel];
1596 			if (pMvSataChannel && pMvSataChannel->outstandingCommands)
1597 			{
1598 				while (pMvSataChannel->outstandingCommands) {
1599 					if (!mvSataInterruptServiceRoutine(pMvSataAdapter)) {
1600 						StallExec(1000);
1601 						if (ticks++ > 3000) {
1602 							MvSataResetChannel(pMvSataAdapter,channel);
1603 							goto check_cmds;
1604 						}
1605 					}
1606 					else
1607 						ticks = 0;
1608 				}
1609 				cont = 1;
1610 			}
1611 		}
1612 	} while (cont);
1613 }
1614 
1615 void
1616 fResetVBus(_VBUS_ARG0)
1617 {
1618 	KdPrint(("fMvResetBus(%p)", _vbus_p));
1619 
1620 	/* some commands may already finished. */
1621 	CheckPendingCall(_VBUS_P0);
1622 
1623 	fResetActiveCommands(_vbus_p);
1624 	/*
1625 	 * the other pending commands may still be finished successfully.
1626 	 */
1627 	fCompleteAllCommandsSynchronously(_vbus_p);
1628 
1629 	/* Now there should be no pending commands. No more action needed. */
1630 	CheckIdleCall(_VBUS_P0);
1631 
1632 	KdPrint(("fMvResetBus() done"));
1633 }
1634 
1635 /*No rescan function*/
1636 void
1637 fRescanAllDevice(_VBUS_ARG0)
1638 {
1639 }
1640 
1641 static MV_BOOLEAN
1642 CommandCompletionCB(MV_SATA_ADAPTER *pMvSataAdapter,
1643 					MV_U8 channelNum,
1644 					MV_COMPLETION_TYPE comp_type,
1645 					MV_VOID_PTR commandId,
1646 					MV_U16 responseFlags,
1647 					MV_U32 timeStamp,
1648 					MV_STORAGE_DEVICE_REGISTERS *registerStruct)
1649 {
1650 	PCommand pCmd = (PCommand) commandId;
1651 	_VBUS_INST(pCmd->pVDevice->pVBus)
1652 
1653 	if (pCmd->uScratch.sata_param.prdAddr)
1654 		FreePRDTable(pMvSataAdapter->IALData,pCmd->uScratch.sata_param.prdAddr);
1655 
1656 	switch (comp_type)
1657 	{
1658 	case MV_COMPLETION_TYPE_NORMAL:
1659 		pCmd->Result = RETURN_SUCCESS;
1660 		break;
1661 	case MV_COMPLETION_TYPE_ABORT:
1662 		pCmd->Result = RETURN_BUS_RESET;
1663 		break;
1664 	case MV_COMPLETION_TYPE_ERROR:
1665 		 MV_ERROR("IAL: COMPLETION ERROR, adapter %d, channel %d, flags=%x\n",
1666 				 pMvSataAdapter->adapterId, channelNum, responseFlags);
1667 
1668 		if (responseFlags & 4) {
1669 			MV_ERROR("ATA regs: error %x, sector count %x, LBA low %x, LBA mid %x,"
1670 				" LBA high %x, device %x, status %x\n",
1671 				registerStruct->errorRegister,
1672 				registerStruct->sectorCountRegister,
1673 				registerStruct->lbaLowRegister,
1674 				registerStruct->lbaMidRegister,
1675 				registerStruct->lbaHighRegister,
1676 				registerStruct->deviceRegister,
1677 				registerStruct->statusRegister);
1678 		}
1679 		/*We can't do handleEdmaError directly here, because CommandCompletionCB is called by
1680 		 * mv's ISR, if we retry the command, than the internel data structure may be destroyed*/
1681 		pCmd->uScratch.sata_param.responseFlags = responseFlags;
1682 		pCmd->uScratch.sata_param.bIdeStatus = registerStruct->statusRegister;
1683 		pCmd->uScratch.sata_param.errorRegister = registerStruct->errorRegister;
1684 		pCmd->pVDevice->u.disk.QueueLength--;
1685 		CallAfterReturn(_VBUS_P (DPC_PROC)handleEdmaError,pCmd);
1686 		return TRUE;
1687 
1688 	default:
1689 		MV_ERROR(" Unknown completion type (%d)\n", comp_type);
1690 		return MV_FALSE;
1691 	}
1692 
1693 	if (pCmd->uCmd.Ide.Command == IDE_COMMAND_VERIFY && pCmd->uScratch.sata_param.cmd_priv > 1) {
1694 		pCmd->uScratch.sata_param.cmd_priv --;
1695 		return TRUE;
1696 	}
1697 	pCmd->pVDevice->u.disk.QueueLength--;
1698 	CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1699 	return TRUE;
1700 }
1701 
1702 void
1703 fDeviceSendCommand(_VBUS_ARG PCommand pCmd)
1704 {
1705 	MV_SATA_EDMA_PRD_ENTRY  *pPRDTable = 0;
1706 	MV_SATA_ADAPTER *pMvSataAdapter;
1707 	MV_SATA_CHANNEL *pMvSataChannel;
1708 	PVDevice pVDevice = pCmd->pVDevice;
1709 	PDevice  pDevice = &pVDevice->u.disk;
1710 	LBA_T    Lba = pCmd->uCmd.Ide.Lba;
1711 	USHORT   nSector = pCmd->uCmd.Ide.nSectors;
1712 
1713 	MV_QUEUE_COMMAND_RESULT result;
1714 	MV_QUEUE_COMMAND_INFO commandInfo;
1715 	MV_UDMA_COMMAND_PARAMS  *pUdmaParams = &commandInfo.commandParams.udmaCommand;
1716 	MV_NONE_UDMA_COMMAND_PARAMS *pNoUdmaParams = &commandInfo.commandParams.NoneUdmaCommand;
1717 
1718 	MV_BOOLEAN is48bit;
1719 	MV_U8      channel;
1720 	int        i=0;
1721 
1722 	DECLARE_BUFFER(FPSCAT_GATH, tmpSg);
1723 
1724 	if (!pDevice->df_on_line) {
1725 		MV_ERROR("Device is offline");
1726 		pCmd->Result = RETURN_BAD_DEVICE;
1727 		CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1728 		return;
1729 	}
1730 
1731 	pDevice->HeadPosition = pCmd->uCmd.Ide.Lba + pCmd->uCmd.Ide.nSectors;
1732 	pMvSataChannel = pDevice->mv;
1733 	pMvSataAdapter = pMvSataChannel->mvSataAdapter;
1734 	channel = pMvSataChannel->channelNumber;
1735 
1736 	/* old RAID0 has hidden lba. Remember to clear dDeHiddenLba when delete array! */
1737 	Lba += pDevice->dDeHiddenLba;
1738 	/* check LBA */
1739 	if (Lba+nSector-1 > pDevice->dDeRealCapacity) {
1740 		pCmd->Result = RETURN_INVALID_REQUEST;
1741 		CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1742 		return;
1743 	}
1744 
1745 	/*
1746 	 * always use 48bit LBA if drive supports it.
1747 	 * Some Seagate drives report error if you use a 28-bit command
1748 	 * to access sector 0xfffffff.
1749 	 */
1750 	is48bit = pMvSataChannel->lba48Address;
1751 
1752 	switch (pCmd->uCmd.Ide.Command)
1753 	{
1754 	case IDE_COMMAND_READ:
1755 	case IDE_COMMAND_WRITE:
1756 		if (pDevice->bDeModeSetting<8) goto pio;
1757 
1758 		commandInfo.type = MV_QUEUED_COMMAND_TYPE_UDMA;
1759 		pUdmaParams->isEXT = is48bit;
1760 		pUdmaParams->numOfSectors = nSector;
1761 		pUdmaParams->lowLBAAddress = Lba;
1762 		pUdmaParams->highLBAAddress = 0;
1763 		pUdmaParams->prdHighAddr = 0;
1764 		pUdmaParams->callBack = CommandCompletionCB;
1765 		pUdmaParams->commandId = (MV_VOID_PTR )pCmd;
1766 		if(pCmd->uCmd.Ide.Command == IDE_COMMAND_READ)
1767 			pUdmaParams->readWrite = MV_UDMA_TYPE_READ;
1768 		else
1769 			pUdmaParams->readWrite = MV_UDMA_TYPE_WRITE;
1770 
1771 		if (pCmd->pSgTable && pCmd->cf_physical_sg) {
1772 			FPSCAT_GATH sg1=tmpSg, sg2=pCmd->pSgTable;
1773 			do { *sg1++=*sg2; } while ((sg2++->wSgFlag & SG_FLAG_EOT)==0);
1774 		}
1775 		else {
1776 			if (!pCmd->pfnBuildSgl || !pCmd->pfnBuildSgl(_VBUS_P pCmd, tmpSg, 0)) {
1777 pio:
1778 				mvSataDisableChannelDma(pMvSataAdapter, channel);
1779 				mvSataFlushDmaQueue(pMvSataAdapter, channel, MV_FLUSH_TYPE_CALLBACK);
1780 
1781 				if (pCmd->pSgTable && pCmd->cf_physical_sg==0) {
1782 					FPSCAT_GATH sg1=tmpSg, sg2=pCmd->pSgTable;
1783 					do { *sg1++=*sg2; } while ((sg2++->wSgFlag & SG_FLAG_EOT)==0);
1784 				}
1785 				else {
1786 					if (!pCmd->pfnBuildSgl || !pCmd->pfnBuildSgl(_VBUS_P pCmd, tmpSg, 1)) {
1787 						pCmd->Result = RETURN_NEED_LOGICAL_SG;
1788 						goto finish_cmd;
1789 					}
1790 				}
1791 
1792 				do {
1793 					ULONG size = tmpSg->wSgSize? tmpSg->wSgSize : 0x10000;
1794 					ULONG_PTR addr = tmpSg->dSgAddress;
1795 					if (size & 0x1ff) {
1796 						pCmd->Result = RETURN_INVALID_REQUEST;
1797 						goto finish_cmd;
1798 					}
1799 					if (mvStorageDevATAExecuteNonUDMACommand(pMvSataAdapter, channel,
1800 						(pCmd->cf_data_out)?MV_NON_UDMA_PROTOCOL_PIO_DATA_OUT:MV_NON_UDMA_PROTOCOL_PIO_DATA_IN,
1801 						is48bit,
1802 						(MV_U16_PTR)addr,
1803 						size >> 1,	/* count       */
1804 						0,		/* features  N/A  */
1805 						(MV_U16)(size>>9),	/*sector count*/
1806 						(MV_U16)(  (is48bit? (MV_U16)((Lba >> 16) & 0xFF00) : 0 )  | (UCHAR)(Lba & 0xFF) ), /*lbalow*/
1807 						(MV_U16)((Lba >> 8) & 0xFF), /* lbaMid      */
1808 						(MV_U16)((Lba >> 16) & 0xFF),/* lbaHigh     */
1809 						(MV_U8)(0x40 | (is48bit ? 0 : (UCHAR)(Lba >> 24) & 0xFF )),/* device      */
1810 						(MV_U8)(is48bit ? (pCmd->cf_data_in?IDE_COMMAND_READ_EXT:IDE_COMMAND_WRITE_EXT):pCmd->uCmd.Ide.Command)
1811 					)==MV_FALSE)
1812 					{
1813 						pCmd->Result = RETURN_IDE_ERROR;
1814 						goto finish_cmd;
1815 					}
1816 					Lba += size>>9;
1817 					if(Lba & 0xF0000000) is48bit = MV_TRUE;
1818 				}
1819 				while ((tmpSg++->wSgFlag & SG_FLAG_EOT)==0);
1820 				pCmd->Result = RETURN_SUCCESS;
1821 finish_cmd:
1822 				mvSataEnableChannelDma(pMvSataAdapter,channel);
1823 				CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1824 				return;
1825 			}
1826 		}
1827 
1828 		pPRDTable = (MV_SATA_EDMA_PRD_ENTRY *) AllocatePRDTable(pMvSataAdapter->IALData);
1829 		KdPrint(("pPRDTable:%p\n",pPRDTable));
1830 		if (!pPRDTable) {
1831 			pCmd->Result = RETURN_DEVICE_BUSY;
1832 			CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1833 			HPT_ASSERT(0);
1834 			return;
1835 		}
1836 
1837 		do{
1838 			pPRDTable[i].highBaseAddr = (sizeof(tmpSg->dSgAddress)>4 ? (MV_U32)(tmpSg->dSgAddress>>32) : 0);
1839 			pPRDTable[i].flags = (MV_U16)tmpSg->wSgFlag;
1840 			pPRDTable[i].byteCount = (MV_U16)tmpSg->wSgSize;
1841 			pPRDTable[i].lowBaseAddr = (MV_U32)tmpSg->dSgAddress;
1842 			pPRDTable[i].reserved = 0;
1843 			i++;
1844 		}while((tmpSg++->wSgFlag & SG_FLAG_EOT)==0);
1845 
1846 		pUdmaParams->prdLowAddr = (ULONG)fOsPhysicalAddress(pPRDTable);
1847 		if ((pUdmaParams->numOfSectors == 256) && (pMvSataChannel->lba48Address == MV_FALSE)) {
1848 			pUdmaParams->numOfSectors = 0;
1849 		}
1850 
1851 		pCmd->uScratch.sata_param.prdAddr = (PVOID)pPRDTable;
1852 
1853 		result = mvSataQueueCommand(pMvSataAdapter, channel, &commandInfo);
1854 
1855 		if (result != MV_QUEUE_COMMAND_RESULT_OK)
1856 		{
1857 queue_failed:
1858 			switch (result)
1859 			{
1860 			case MV_QUEUE_COMMAND_RESULT_BAD_LBA_ADDRESS:
1861 				MV_ERROR("IAL Error: Edma Queue command failed. Bad LBA "
1862 						 "LBA[31:0](0x%08x)\n", pUdmaParams->lowLBAAddress);
1863 				pCmd->Result = RETURN_IDE_ERROR;
1864 				break;
1865 			case MV_QUEUE_COMMAND_RESULT_QUEUED_MODE_DISABLED:
1866 				MV_ERROR("IAL Error: Edma Queue command failed. EDMA"
1867 						 " disabled adapter %d channel %d\n",
1868 						 pMvSataAdapter->adapterId, channel);
1869 				mvSataEnableChannelDma(pMvSataAdapter,channel);
1870 				pCmd->Result = RETURN_IDE_ERROR;
1871 				break;
1872 			case MV_QUEUE_COMMAND_RESULT_FULL:
1873 				MV_ERROR("IAL Error: Edma Queue command failed. Queue is"
1874 						 " Full adapter %d channel %d\n",
1875 						 pMvSataAdapter->adapterId, channel);
1876 				pCmd->Result = RETURN_DEVICE_BUSY;
1877 				break;
1878 			case MV_QUEUE_COMMAND_RESULT_BAD_PARAMS:
1879 				MV_ERROR("IAL Error: Edma Queue command failed. (Bad "
1880 						 "Params), pMvSataAdapter: %p,  pSataChannel: %p.\n",
1881 						 pMvSataAdapter, pMvSataAdapter->sataChannel[channel]);
1882 				pCmd->Result = RETURN_IDE_ERROR;
1883 				break;
1884 			default:
1885 				MV_ERROR("IAL Error: Bad result value (%d) from queue"
1886 						 " command\n", result);
1887 				pCmd->Result = RETURN_IDE_ERROR;
1888 			}
1889 			if(pPRDTable)
1890 				FreePRDTable(pMvSataAdapter->IALData,pPRDTable);
1891 			CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1892 		}
1893 		pDevice->QueueLength++;
1894 		return;
1895 
1896 	case IDE_COMMAND_VERIFY:
1897 		commandInfo.type = MV_QUEUED_COMMAND_TYPE_NONE_UDMA;
1898 		pNoUdmaParams->bufPtr = NULL;
1899 		pNoUdmaParams->callBack = CommandCompletionCB;
1900 		pNoUdmaParams->commandId = (MV_VOID_PTR)pCmd;
1901 		pNoUdmaParams->count = 0;
1902 		pNoUdmaParams->features = 0;
1903 		pNoUdmaParams->protocolType = MV_NON_UDMA_PROTOCOL_NON_DATA;
1904 
1905 		pCmd->uScratch.sata_param.cmd_priv = 1;
1906 		if (pMvSataChannel->lba48Address == MV_TRUE){
1907 			pNoUdmaParams->command = MV_ATA_COMMAND_READ_VERIFY_SECTORS_EXT;
1908 			pNoUdmaParams->isEXT = MV_TRUE;
1909 			pNoUdmaParams->lbaHigh = (MV_U16)((Lba & 0xff0000) >> 16);
1910 			pNoUdmaParams->lbaMid = (MV_U16)((Lba & 0xff00) >> 8);
1911 			pNoUdmaParams->lbaLow =
1912 				(MV_U16)(((Lba & 0xff000000) >> 16)| (Lba & 0xff));
1913 			pNoUdmaParams->sectorCount = nSector;
1914 			pNoUdmaParams->device = 0x40;
1915 			result = mvSataQueueCommand(pMvSataAdapter, channel, &commandInfo);
1916 			if (result != MV_QUEUE_COMMAND_RESULT_OK){
1917 				goto queue_failed;
1918 			}
1919 			return;
1920 		}
1921 		else{
1922 			pNoUdmaParams->command = MV_ATA_COMMAND_READ_VERIFY_SECTORS;
1923 			pNoUdmaParams->isEXT = MV_FALSE;
1924 			pNoUdmaParams->lbaHigh = (MV_U16)((Lba & 0xff0000) >> 16);
1925 			pNoUdmaParams->lbaMid = (MV_U16)((Lba & 0xff00) >> 8);
1926 			pNoUdmaParams->lbaLow = (MV_U16)(Lba & 0xff);
1927 			pNoUdmaParams->sectorCount = 0xff & nSector;
1928 			pNoUdmaParams->device = (MV_U8)(0x40 |
1929 				((Lba & 0xf000000) >> 24));
1930 			pNoUdmaParams->callBack = CommandCompletionCB;
1931 			result = mvSataQueueCommand(pMvSataAdapter, channel, &commandInfo);
1932 			/*FIXME: how about the commands already queued? but marvel also forgets to consider this*/
1933 			if (result != MV_QUEUE_COMMAND_RESULT_OK){
1934 				goto queue_failed;
1935 			}
1936 		}
1937 		break;
1938 	default:
1939 		pCmd->Result = RETURN_INVALID_REQUEST;
1940 		CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1941 		break;
1942 	}
1943 }
1944 
1945 /**********************************************************
1946  *
1947  *	Probe the hostadapter.
1948  *
1949  **********************************************************/
1950 static int
1951 hpt_probe(device_t dev)
1952 {
1953 	if ((pci_get_vendor(dev) == MV_SATA_VENDOR_ID) &&
1954 		(pci_get_device(dev) == MV_SATA_DEVICE_ID_5081
1955 #ifdef FOR_DEMO
1956 		|| pci_get_device(dev) == MV_SATA_DEVICE_ID_5080
1957 #endif
1958 		))
1959 	{
1960 		KdPrintI((CONTROLLER_NAME " found\n"));
1961 		device_set_desc(dev, CONTROLLER_NAME);
1962 		return (BUS_PROBE_DEFAULT);
1963 	}
1964 	else
1965 		return(ENXIO);
1966 }
1967 
1968 /***********************************************************
1969  *
1970  *      Auto configuration:  attach and init a host adapter.
1971  *
1972  ***********************************************************/
1973 static int
1974 hpt_attach(device_t dev)
1975 {
1976 	IAL_ADAPTER_T * pAdapter = device_get_softc(dev);
1977 	int rid;
1978 	union ccb *ccb;
1979 	struct cam_devq *devq;
1980 	struct cam_sim *hpt_vsim;
1981 
1982 	device_printf(dev, "%s Version %s \n", DRIVER_NAME, DRIVER_VERSION);
1983 
1984 	pAdapter->hpt_dev = dev;
1985 
1986 	rid = init_adapter(pAdapter);
1987 	if (rid)
1988 		return rid;
1989 
1990 	rid = 0;
1991 	if ((pAdapter->hpt_irq = bus_alloc_resource_any(pAdapter->hpt_dev, SYS_RES_IRQ, &rid, RF_SHAREABLE | RF_ACTIVE)) == NULL)
1992 	{
1993 		hpt_printk(("can't allocate interrupt\n"));
1994 		return(ENXIO);
1995 	}
1996 
1997 	if (bus_setup_intr(pAdapter->hpt_dev, pAdapter->hpt_irq,
1998 				INTR_TYPE_CAM | INTR_MPSAFE,
1999 				NULL, hpt_intr, pAdapter, &pAdapter->hpt_intr))
2000 	{
2001 		hpt_printk(("can't set up interrupt\n"));
2002 		free(pAdapter, M_DEVBUF);
2003 		return(ENXIO);
2004 	}
2005 
2006 
2007 	ccb = xpt_alloc_ccb();
2008 	ccb->ccb_h.pinfo.priority = 1;
2009 	ccb->ccb_h.pinfo.index = CAM_UNQUEUED_INDEX;
2010 
2011 	/*
2012 	 * Create the device queue for our SIM(s).
2013 	 */
2014 	if((devq = cam_simq_alloc(8/*MAX_QUEUE_COMM*/)) == NULL)
2015 	{
2016 		KdPrint(("ENXIO\n"));
2017 		return ENOMEM;
2018 	}
2019 
2020 	/*
2021 	 * Construct our SIM entry
2022 	 */
2023 	hpt_vsim = cam_sim_alloc(hpt_action, hpt_poll, __str(PROC_DIR_NAME),
2024 			pAdapter, device_get_unit(pAdapter->hpt_dev),
2025 			&pAdapter->lock, 1, 8, devq);
2026 	if (hpt_vsim == NULL) {
2027 		cam_simq_free(devq);
2028 		return ENOMEM;
2029 	}
2030 
2031 	mtx_lock(&pAdapter->lock);
2032 	if (xpt_bus_register(hpt_vsim, dev, 0) != CAM_SUCCESS)
2033 	{
2034 		cam_sim_free(hpt_vsim, /*free devq*/ TRUE);
2035 		mtx_unlock(&pAdapter->lock);
2036 		hpt_vsim = NULL;
2037 		return ENXIO;
2038 	}
2039 
2040 	if(xpt_create_path(&pAdapter->path, /*periph */ NULL,
2041 			cam_sim_path(hpt_vsim), CAM_TARGET_WILDCARD,
2042 			CAM_LUN_WILDCARD) != CAM_REQ_CMP)
2043 	{
2044 		xpt_bus_deregister(cam_sim_path(hpt_vsim));
2045 		cam_sim_free(hpt_vsim, /*free_devq*/TRUE);
2046 		mtx_unlock(&pAdapter->lock);
2047 		hpt_vsim = NULL;
2048 		return ENXIO;
2049 	}
2050 	mtx_unlock(&pAdapter->lock);
2051 
2052 	xpt_setup_ccb(&(ccb->ccb_h), pAdapter->path, /*priority*/5);
2053 	ccb->ccb_h.func_code = XPT_SASYNC_CB;
2054 	ccb->csa.event_enable = AC_LOST_DEVICE;
2055 	ccb->csa.callback = hpt_async;
2056 	ccb->csa.callback_arg = hpt_vsim;
2057 	xpt_action((union ccb *)ccb);
2058 	xpt_free_ccb(ccb);
2059 
2060 	if (device_get_unit(dev) == 0) {
2061 		/* Start the work thread.  XXX */
2062 		launch_worker_thread();
2063 	}
2064 
2065 	return 0;
2066 }
2067 
2068 static int
2069 hpt_detach(device_t dev)
2070 {
2071 	return (EBUSY);
2072 }
2073 
2074 
2075 /***************************************************************
2076  * The poll function is used to simulate the interrupt when
2077  * the interrupt subsystem is not functioning.
2078  *
2079  ***************************************************************/
2080 static void
2081 hpt_poll(struct cam_sim *sim)
2082 {
2083 
2084 	hpt_intr_locked((void *)cam_sim_softc(sim));
2085 }
2086 
2087 /****************************************************************
2088  *	Name:	hpt_intr
2089  *	Description:	Interrupt handler.
2090  ****************************************************************/
2091 static void
2092 hpt_intr(void *arg)
2093 {
2094 	IAL_ADAPTER_T *pAdapter;
2095 
2096 	pAdapter = arg;
2097 	mtx_lock(&pAdapter->lock);
2098 	hpt_intr_locked(pAdapter);
2099 	mtx_unlock(&pAdapter->lock);
2100 }
2101 
2102 static void
2103 hpt_intr_locked(IAL_ADAPTER_T *pAdapter)
2104 {
2105 
2106 	mtx_assert(&pAdapter->lock, MA_OWNED);
2107 	/* KdPrintI(("----- Entering Isr() -----\n")); */
2108 	if (mvSataInterruptServiceRoutine(&pAdapter->mvSataAdapter) == MV_TRUE)
2109 	{
2110 		_VBUS_INST(&pAdapter->VBus)
2111 		CheckPendingCall(_VBUS_P0);
2112 	}
2113 
2114 	/* KdPrintI(("----- Leaving Isr() -----\n")); */
2115 }
2116 
2117 /**********************************************************
2118  * 			Asynchronous Events
2119  *********************************************************/
2120 #if (!defined(UNREFERENCED_PARAMETER))
2121 #define UNREFERENCED_PARAMETER(x) (void)(x)
2122 #endif
2123 
2124 static void
2125 hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path,
2126     void * arg)
2127 {
2128 	/* debug XXXX */
2129 	panic("Here");
2130 	UNREFERENCED_PARAMETER(callback_arg);
2131 	UNREFERENCED_PARAMETER(code);
2132 	UNREFERENCED_PARAMETER(path);
2133 	UNREFERENCED_PARAMETER(arg);
2134 
2135 }
2136 
2137 static void
2138 FlushAdapter(IAL_ADAPTER_T *pAdapter)
2139 {
2140 	int i;
2141 
2142 	hpt_printk(("flush all devices\n"));
2143 
2144 	/* flush all devices */
2145 	for (i=0; i<MAX_VDEVICE_PER_VBUS; i++) {
2146 		PVDevice pVDev = pAdapter->VBus.pVDevice[i];
2147 		if(pVDev) fFlushVDev(pVDev);
2148 	}
2149 }
2150 
2151 static int
2152 hpt_shutdown(device_t dev)
2153 {
2154 		IAL_ADAPTER_T *pAdapter;
2155 
2156 		pAdapter = device_get_softc(dev);
2157 
2158 		EVENTHANDLER_DEREGISTER(shutdown_final, pAdapter->eh);
2159 		mtx_lock(&pAdapter->lock);
2160 		FlushAdapter(pAdapter);
2161 		mtx_unlock(&pAdapter->lock);
2162 		  /* give the flush some time to happen,
2163 		    *otherwise "shutdown -p now" will make file system corrupted */
2164 		DELAY(1000 * 1000 * 5);
2165 		return 0;
2166 }
2167 
2168 void
2169 Check_Idle_Call(IAL_ADAPTER_T *pAdapter)
2170 {
2171 	_VBUS_INST(&pAdapter->VBus)
2172 
2173 	if (mWaitingForIdle(_VBUS_P0)) {
2174 		CheckIdleCall(_VBUS_P0);
2175 #ifdef SUPPORT_ARRAY
2176 		{
2177 			int i;
2178 			PVDevice pArray;
2179 			for(i = 0; i < MAX_ARRAY_PER_VBUS; i++){
2180 				if ((pArray=ArrayTables(i))->u.array.dArStamp==0)
2181 					continue;
2182 				else if (pArray->u.array.rf_auto_rebuild) {
2183 						KdPrint(("auto rebuild.\n"));
2184 						pArray->u.array.rf_auto_rebuild = 0;
2185 						hpt_queue_dpc((HPT_DPC)hpt_rebuild_data_block, pAdapter, pArray, DUPLICATE);
2186 				}
2187 			}
2188 		}
2189 #endif
2190 	}
2191 	/* launch the awaiting commands blocked by mWaitingForIdle */
2192 	while(pAdapter->pending_Q!= NULL)
2193 	{
2194 		_VBUS_INST(&pAdapter->VBus)
2195 		union ccb *ccb = (union ccb *)pAdapter->pending_Q->ccb_h.ccb_ccb_ptr;
2196 		hpt_free_ccb(&pAdapter->pending_Q, ccb);
2197 		CallAfterReturn(_VBUS_P (DPC_PROC)OsSendCommand, ccb);
2198 	}
2199 }
2200 
2201 static void
2202 ccb_done(union ccb *ccb)
2203 {
2204 	PBUS_DMAMAP pmap = (PBUS_DMAMAP)ccb->ccb_adapter;
2205 	IAL_ADAPTER_T * pAdapter = pmap->pAdapter;
2206 	KdPrintI(("ccb_done: ccb %p status %x\n", ccb, ccb->ccb_h.status));
2207 
2208 	dmamap_put(pmap);
2209 	xpt_done(ccb);
2210 
2211 	pAdapter->outstandingCommands--;
2212 
2213 	if (pAdapter->outstandingCommands == 0)
2214 	{
2215 		if(DPC_Request_Nums == 0)
2216 			Check_Idle_Call(pAdapter);
2217 		wakeup(pAdapter);
2218 	}
2219 }
2220 
2221 /****************************************************************
2222  *	Name:	hpt_action
2223  *	Description:	Process a queued command from the CAM layer.
2224  *	Parameters:		sim - Pointer to SIM object
2225  *					ccb - Pointer to SCSI command structure.
2226  ****************************************************************/
2227 
2228 void
2229 hpt_action(struct cam_sim *sim, union ccb *ccb)
2230 {
2231 	IAL_ADAPTER_T * pAdapter = (IAL_ADAPTER_T *) cam_sim_softc(sim);
2232 	PBUS_DMAMAP  pmap;
2233 	_VBUS_INST(&pAdapter->VBus)
2234 
2235 	mtx_assert(&pAdapter->lock, MA_OWNED);
2236 	CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("hpt_action\n"));
2237 	KdPrint(("hpt_action(%lx,%lx{%x})\n", (u_long)sim, (u_long)ccb, ccb->ccb_h.func_code));
2238 
2239 	switch (ccb->ccb_h.func_code)
2240 	{
2241 		case XPT_SCSI_IO:	/* Execute the requested I/O operation */
2242 		{
2243 			/* ccb->ccb_h.path_id is not our bus id - don't check it */
2244 
2245 			if (ccb->ccb_h.target_lun)	{
2246 				ccb->ccb_h.status = CAM_LUN_INVALID;
2247 				xpt_done(ccb);
2248 				return;
2249 			}
2250 			if (ccb->ccb_h.target_id >= MAX_VDEVICE_PER_VBUS ||
2251 				pAdapter->VBus.pVDevice[ccb->ccb_h.target_id]==0) {
2252 				ccb->ccb_h.status = CAM_TID_INVALID;
2253 				xpt_done(ccb);
2254 				return;
2255 			}
2256 
2257 			if (pAdapter->outstandingCommands==0 && DPC_Request_Nums==0)
2258 				Check_Idle_Call(pAdapter);
2259 
2260 			pmap = dmamap_get(pAdapter);
2261 			HPT_ASSERT(pmap);
2262 			ccb->ccb_adapter = pmap;
2263 			memset((void *)pmap->psg, 0,  sizeof(pmap->psg));
2264 
2265 			if (mWaitingForIdle(_VBUS_P0))
2266 				hpt_queue_ccb(&pAdapter->pending_Q, ccb);
2267 			else
2268 				OsSendCommand(_VBUS_P ccb);
2269 
2270 			/* KdPrint(("leave scsiio\n")); */
2271 			break;
2272 		}
2273 
2274 		case XPT_RESET_BUS:
2275 			KdPrint(("reset bus\n"));
2276 			fResetVBus(_VBUS_P0);
2277 			xpt_done(ccb);
2278 			break;
2279 
2280 		case XPT_RESET_DEV:	/* Bus Device Reset the specified SCSI device */
2281 		case XPT_ABORT:			/* Abort the specified CCB */
2282 		case XPT_TERM_IO:		/* Terminate the I/O process */
2283 			/* XXX Implement */
2284 			ccb->ccb_h.status = CAM_REQ_INVALID;
2285 			xpt_done(ccb);
2286 			break;
2287 
2288 		case XPT_GET_TRAN_SETTINGS:
2289 		case XPT_SET_TRAN_SETTINGS:
2290 			/* XXX Implement */
2291 			ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
2292 			xpt_done(ccb);
2293 			break;
2294 
2295 		case XPT_CALC_GEOMETRY:
2296 			cam_calc_geometry(&ccb->ccg, 1);
2297 			xpt_done(ccb);
2298 			break;
2299 
2300 		case XPT_PATH_INQ:		/* Path routing inquiry */
2301 		{
2302 			struct ccb_pathinq *cpi = &ccb->cpi;
2303 
2304 			cpi->version_num = 1; /* XXX??? */
2305 			cpi->hba_inquiry = PI_SDTR_ABLE;
2306 			cpi->target_sprt = 0;
2307 			/* Not necessary to reset bus */
2308 			cpi->hba_misc = PIM_NOBUSRESET;
2309 			cpi->hba_eng_cnt = 0;
2310 
2311 			cpi->max_target = MAX_VDEVICE_PER_VBUS;
2312 			cpi->max_lun = 0;
2313 			cpi->initiator_id = MAX_VDEVICE_PER_VBUS;
2314 
2315 			cpi->bus_id = cam_sim_bus(sim);
2316 			cpi->base_transfer_speed = 3300;
2317 			strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
2318 			strlcpy(cpi->hba_vid, "HPT   ", HBA_IDLEN);
2319 			strlcpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
2320 			cpi->unit_number = cam_sim_unit(sim);
2321 			cpi->transport = XPORT_SPI;
2322 			cpi->transport_version = 2;
2323 			cpi->protocol = PROTO_SCSI;
2324 			cpi->protocol_version = SCSI_REV_2;
2325 			cpi->ccb_h.status = CAM_REQ_CMP;
2326 			xpt_done(ccb);
2327 			break;
2328 		}
2329 
2330 		default:
2331 			KdPrint(("invalid cmd\n"));
2332 			ccb->ccb_h.status = CAM_REQ_INVALID;
2333 			xpt_done(ccb);
2334 			break;
2335 	}
2336 	/* KdPrint(("leave hpt_action..............\n")); */
2337 }
2338 
2339 /* shall be called at lock_driver() */
2340 static void
2341 hpt_queue_ccb(union ccb **ccb_Q, union ccb *ccb)
2342 {
2343 	if(*ccb_Q == NULL)
2344 		ccb->ccb_h.ccb_ccb_ptr = ccb;
2345 	else {
2346 		ccb->ccb_h.ccb_ccb_ptr = (*ccb_Q)->ccb_h.ccb_ccb_ptr;
2347 		(*ccb_Q)->ccb_h.ccb_ccb_ptr = (char *)ccb;
2348 	}
2349 
2350 	*ccb_Q = ccb;
2351 }
2352 
2353 /* shall be called at lock_driver() */
2354 static void
2355 hpt_free_ccb(union ccb **ccb_Q, union ccb *ccb)
2356 {
2357 	union ccb *TempCCB;
2358 
2359 	TempCCB = *ccb_Q;
2360 
2361 	if(ccb->ccb_h.ccb_ccb_ptr == ccb) /*it means SCpnt is the last one in CURRCMDs*/
2362 		*ccb_Q = NULL;
2363 	else {
2364 		while(TempCCB->ccb_h.ccb_ccb_ptr != (char *)ccb)
2365 			TempCCB = (union ccb *)TempCCB->ccb_h.ccb_ccb_ptr;
2366 
2367 		TempCCB->ccb_h.ccb_ccb_ptr = ccb->ccb_h.ccb_ccb_ptr;
2368 
2369 		if(*ccb_Q == ccb)
2370 			*ccb_Q = TempCCB;
2371 	}
2372 }
2373 
2374 #ifdef SUPPORT_ARRAY
2375 /***************************************************************************
2376  * Function:     hpt_worker_thread
2377  * Description:  Do background rebuilding. Execute in kernel thread context.
2378  * Returns:      None
2379  ***************************************************************************/
2380 static void hpt_worker_thread(void)
2381 {
2382 
2383 	for(;;)	{
2384 		mtx_lock(&DpcQueue_Lock);
2385 		while (DpcQueue_First!=DpcQueue_Last) {
2386 			ST_HPT_DPC p;
2387 			p = DpcQueue[DpcQueue_First];
2388 			DpcQueue_First++;
2389 			DpcQueue_First %= MAX_DPC;
2390 			DPC_Request_Nums++;
2391 			mtx_unlock(&DpcQueue_Lock);
2392 			p.dpc(p.pAdapter, p.arg, p.flags);
2393 
2394 			mtx_lock(&p.pAdapter->lock);
2395 			mtx_lock(&DpcQueue_Lock);
2396 			DPC_Request_Nums--;
2397 			/* since we may have prevented Check_Idle_Call, do it here */
2398 			if (DPC_Request_Nums==0) {
2399 				if (p.pAdapter->outstandingCommands == 0) {
2400 					_VBUS_INST(&p.pAdapter->VBus);
2401 					Check_Idle_Call(p.pAdapter);
2402 					CheckPendingCall(_VBUS_P0);
2403 				}
2404 			}
2405 			mtx_unlock(&p.pAdapter->lock);
2406 			mtx_unlock(&DpcQueue_Lock);
2407 
2408 			/*Schedule out*/
2409 			if (SIGISMEMBER(curproc->p_siglist, SIGSTOP)) {
2410 				/* abort rebuilding process. */
2411 				IAL_ADAPTER_T *pAdapter;
2412 				PVDevice      pArray;
2413 				PVBus         _vbus_p;
2414 				int i;
2415 
2416 				sx_slock(&hptmv_list_lock);
2417 				pAdapter = gIal_Adapter;
2418 
2419 				while(pAdapter != NULL){
2420 					mtx_lock(&pAdapter->lock);
2421 					_vbus_p = &pAdapter->VBus;
2422 
2423 					for (i=0;i<MAX_ARRAY_PER_VBUS;i++)
2424 					{
2425 						if ((pArray=ArrayTables(i))->u.array.dArStamp==0)
2426 							continue;
2427 						else if (pArray->u.array.rf_rebuilding ||
2428 								pArray->u.array.rf_verifying ||
2429 								pArray->u.array.rf_initializing)
2430 							{
2431 								pArray->u.array.rf_abort_rebuild = 1;
2432 							}
2433 					}
2434 					mtx_unlock(&pAdapter->lock);
2435 					pAdapter = pAdapter->next;
2436 				}
2437 				sx_sunlock(&hptmv_list_lock);
2438 			}
2439 			mtx_lock(&DpcQueue_Lock);
2440 		}
2441 		mtx_unlock(&DpcQueue_Lock);
2442 
2443 /*Remove this debug option*/
2444 /*
2445 #ifdef DEBUG
2446 		if (SIGISMEMBER(curproc->p_siglist, SIGSTOP))
2447 			pause("hptrdy", 2*hz);
2448 #endif
2449 */
2450 		kproc_suspend_check(curproc);
2451 		pause("-", 2*hz);  /* wait for something to do */
2452 	}
2453 }
2454 
2455 static struct proc *hptdaemonproc;
2456 static struct kproc_desc hpt_kp = {
2457 	"hpt_wt",
2458 	hpt_worker_thread,
2459 	&hptdaemonproc
2460 };
2461 
2462 /*Start this thread in the hpt_attach, to prevent kernel from loading it without our controller.*/
2463 static void
2464 launch_worker_thread(void)
2465 {
2466 	IAL_ADAPTER_T *pAdapTemp;
2467 
2468 	kproc_start(&hpt_kp);
2469 
2470 	sx_slock(&hptmv_list_lock);
2471 	for (pAdapTemp = gIal_Adapter; pAdapTemp; pAdapTemp = pAdapTemp->next) {
2472 
2473 		_VBUS_INST(&pAdapTemp->VBus)
2474 		int i;
2475 		PVDevice pVDev;
2476 
2477 		for(i = 0; i < MAX_ARRAY_PER_VBUS; i++)
2478 			if ((pVDev=ArrayTables(i))->u.array.dArStamp==0)
2479 				continue;
2480 			else{
2481 				if (pVDev->u.array.rf_need_rebuild && !pVDev->u.array.rf_rebuilding)
2482 					hpt_queue_dpc((HPT_DPC)hpt_rebuild_data_block, pAdapTemp, pVDev,
2483 					(UCHAR)((pVDev->u.array.CriticalMembers || pVDev->VDeviceType == VD_RAID_1)? DUPLICATE : REBUILD_PARITY));
2484 			}
2485 	}
2486 	sx_sunlock(&hptmv_list_lock);
2487 
2488 	/*
2489 	 * hpt_worker_thread needs to be suspended after shutdown sync, when fs sync finished.
2490 	 */
2491 	EVENTHANDLER_REGISTER(shutdown_post_sync, kproc_shutdown, hptdaemonproc,
2492 	    SHUTDOWN_PRI_LAST);
2493 }
2494 /*
2495  *SYSINIT(hptwt, SI_SUB_KTHREAD_IDLE, SI_ORDER_FIRST, launch_worker_thread, NULL);
2496 */
2497 
2498 #endif
2499 
2500 /********************************************************************************/
2501 
2502 int HPTLIBAPI fOsBuildSgl(_VBUS_ARG PCommand pCmd, FPSCAT_GATH pSg, int logical)
2503 {
2504 	union ccb *ccb = (union ccb *)pCmd->pOrgCommand;
2505 
2506 	if (logical) {
2507 		pSg->dSgAddress = (ULONG_PTR)(UCHAR *)ccb->csio.data_ptr;
2508 		pSg->wSgSize = ccb->csio.dxfer_len;
2509 		pSg->wSgFlag = SG_FLAG_EOT;
2510 		return TRUE;
2511 	}
2512 	/* since we have provided physical sg, nobody will ask us to build physical sg */
2513 	HPT_ASSERT(0);
2514 	return FALSE;
2515 }
2516 
2517 /*******************************************************************************/
2518 ULONG HPTLIBAPI
2519 GetStamp(void)
2520 {
2521 	/*
2522 	 * the system variable, ticks, can't be used since it hasn't yet been active
2523 	 * when our driver starts (ticks==0, it's a invalid stamp value)
2524 	 */
2525 	ULONG stamp;
2526 	do { stamp = random(); } while (stamp==0);
2527 	return stamp;
2528 }
2529 
2530 
2531 static void
2532 SetInquiryData(PINQUIRYDATA inquiryData, PVDevice pVDev)
2533 {
2534 	int i;
2535 	IDENTIFY_DATA2 *pIdentify = (IDENTIFY_DATA2*)pVDev->u.disk.mv->identifyDevice;
2536 
2537 	inquiryData->DeviceType = T_DIRECT; /*DIRECT_ACCESS_DEVICE*/
2538 	inquiryData->AdditionalLength = (UCHAR)(sizeof(INQUIRYDATA) - 5);
2539 #ifndef SERIAL_CMDS
2540 	inquiryData->CommandQueue = 1;
2541 #endif
2542 
2543 	switch(pVDev->VDeviceType) {
2544 	case VD_SINGLE_DISK:
2545 	case VD_ATAPI:
2546 	case VD_REMOVABLE:
2547 		/* Set the removable bit, if applicable. */
2548 		if ((pVDev->u.disk.df_removable_drive) || (pIdentify->GeneralConfiguration & 0x80))
2549 			inquiryData->RemovableMedia = 1;
2550 
2551 		/* Fill in vendor identification fields. */
2552 		for (i = 0; i < 20; i += 2) {
2553 			inquiryData->VendorId[i] 	= ((PUCHAR)pIdentify->ModelNumber)[i + 1];
2554 			inquiryData->VendorId[i+1] 	= ((PUCHAR)pIdentify->ModelNumber)[i];
2555 
2556 		}
2557 
2558 		/* Initialize unused portion of product id. */
2559 		for (i = 0; i < 4; i++) inquiryData->ProductId[12+i] = ' ';
2560 
2561 		/* firmware revision */
2562 		for (i = 0; i < 4; i += 2)
2563 		{
2564 			inquiryData->ProductRevisionLevel[i] 	= ((PUCHAR)pIdentify->FirmwareRevision)[i+1];
2565 			inquiryData->ProductRevisionLevel[i+1] 	= ((PUCHAR)pIdentify->FirmwareRevision)[i];
2566 		}
2567 		break;
2568 	default:
2569 		memcpy(&inquiryData->VendorId, "RR18xx  ", 8);
2570 #ifdef SUPPORT_ARRAY
2571 		switch(pVDev->VDeviceType){
2572 		case VD_RAID_0:
2573 			if ((pVDev->u.array.pMember[0] && mIsArray(pVDev->u.array.pMember[0])) ||
2574 				(pVDev->u.array.pMember[1] && mIsArray(pVDev->u.array.pMember[1])))
2575 				memcpy(&inquiryData->ProductId, "RAID 1/0 Array  ", 16);
2576 			else
2577 				memcpy(&inquiryData->ProductId, "RAID 0 Array    ", 16);
2578 			break;
2579 		case VD_RAID_1:
2580 			if ((pVDev->u.array.pMember[0] && mIsArray(pVDev->u.array.pMember[0])) ||
2581 				(pVDev->u.array.pMember[1] && mIsArray(pVDev->u.array.pMember[1])))
2582 				memcpy(&inquiryData->ProductId, "RAID 0/1 Array  ", 16);
2583 			else
2584 				memcpy(&inquiryData->ProductId, "RAID 1 Array    ", 16);
2585 			break;
2586 		case VD_RAID_5:
2587 			memcpy(&inquiryData->ProductId, "RAID 5 Array    ", 16);
2588 			break;
2589 		case VD_JBOD:
2590 			memcpy(&inquiryData->ProductId, "JBOD Array      ", 16);
2591 			break;
2592 		}
2593 #endif
2594 		memcpy(&inquiryData->ProductRevisionLevel, "3.00", 4);
2595 		break;
2596 	}
2597 }
2598 
2599 static void
2600 hpt_timeout(void *arg)
2601 {
2602 	PBUS_DMAMAP pmap = (PBUS_DMAMAP)((union ccb *)arg)->ccb_adapter;
2603 	IAL_ADAPTER_T *pAdapter = pmap->pAdapter;
2604 	_VBUS_INST(&pAdapter->VBus)
2605 
2606 	mtx_assert(&pAdapter->lock, MA_OWNED);
2607 	fResetVBus(_VBUS_P0);
2608 }
2609 
2610 static void
2611 hpt_io_dmamap_callback(void *arg, bus_dma_segment_t *segs, int nsegs, int error)
2612 {
2613 	PCommand pCmd = (PCommand)arg;
2614 	union ccb *ccb = pCmd->pOrgCommand;
2615 	struct ccb_hdr *ccb_h = &ccb->ccb_h;
2616 	PBUS_DMAMAP pmap = (PBUS_DMAMAP) ccb->ccb_adapter;
2617 	IAL_ADAPTER_T *pAdapter = pmap->pAdapter;
2618 	PVDevice	pVDev = pAdapter->VBus.pVDevice[ccb_h->target_id];
2619 	FPSCAT_GATH psg = pCmd->pSgTable;
2620 	int idx;
2621 	_VBUS_INST(pVDev->pVBus)
2622 
2623 	HPT_ASSERT(pCmd->cf_physical_sg);
2624 
2625 	if (error)
2626 		panic("busdma error");
2627 
2628 	HPT_ASSERT(nsegs<= MAX_SG_DESCRIPTORS);
2629 
2630 	if (nsegs != 0) {
2631 		for (idx = 0; idx < nsegs; idx++, psg++) {
2632 			psg->dSgAddress = (ULONG_PTR)(UCHAR *)segs[idx].ds_addr;
2633 			psg->wSgSize = segs[idx].ds_len;
2634 			psg->wSgFlag = (idx == nsegs-1)? SG_FLAG_EOT: 0;
2635 	/*		KdPrint(("psg[%d]:add=%p,size=%x,flag=%x\n", idx, psg->dSgAddress,psg->wSgSize,psg->wSgFlag)); */
2636 		}
2637 		/*	psg[-1].wSgFlag = SG_FLAG_EOT; */
2638 
2639 		if (pCmd->cf_data_in) {
2640 			bus_dmamap_sync(pAdapter->io_dma_parent, pmap->dma_map,
2641 			    BUS_DMASYNC_PREREAD);
2642 		}
2643 		else if (pCmd->cf_data_out) {
2644 			bus_dmamap_sync(pAdapter->io_dma_parent, pmap->dma_map,
2645 			    BUS_DMASYNC_PREWRITE);
2646 		}
2647 	}
2648 
2649 	callout_reset(&pmap->timeout, 20 * hz, hpt_timeout, ccb);
2650 	pVDev->pfnSendCommand(_VBUS_P pCmd);
2651 	CheckPendingCall(_VBUS_P0);
2652 }
2653 
2654 
2655 
2656 static void HPTLIBAPI
2657 OsSendCommand(_VBUS_ARG union ccb *ccb)
2658 {
2659 	PBUS_DMAMAP pmap = (PBUS_DMAMAP)ccb->ccb_adapter;
2660 	IAL_ADAPTER_T *pAdapter = pmap->pAdapter;
2661 	struct ccb_hdr *ccb_h = &ccb->ccb_h;
2662 	struct ccb_scsiio *csio = &ccb->csio;
2663 	PVDevice	pVDev = pAdapter->VBus.pVDevice[ccb_h->target_id];
2664 
2665 	KdPrintI(("OsSendCommand: ccb %p  cdb %x-%x-%x\n",
2666 		ccb,
2667 		*(ULONG *)&ccb->csio.cdb_io.cdb_bytes[0],
2668 		*(ULONG *)&ccb->csio.cdb_io.cdb_bytes[4],
2669 		*(ULONG *)&ccb->csio.cdb_io.cdb_bytes[8]
2670 	));
2671 
2672 	pAdapter->outstandingCommands++;
2673 
2674 	if (pVDev == NULL || pVDev->vf_online == 0) {
2675 		ccb->ccb_h.status = CAM_REQ_INVALID;
2676 		ccb_done(ccb);
2677 		goto Command_Complished;
2678 	}
2679 
2680 	switch(ccb->csio.cdb_io.cdb_bytes[0])
2681 	{
2682 		case TEST_UNIT_READY:
2683 		case START_STOP_UNIT:
2684 		case SYNCHRONIZE_CACHE:
2685 			/* FALLTHROUGH */
2686 			ccb->ccb_h.status = CAM_REQ_CMP;
2687 			break;
2688 
2689 		case INQUIRY:
2690 			ZeroMemory(ccb->csio.data_ptr, ccb->csio.dxfer_len);
2691 			SetInquiryData((PINQUIRYDATA)ccb->csio.data_ptr, pVDev);
2692 			ccb_h->status = CAM_REQ_CMP;
2693 			break;
2694 
2695 		case READ_CAPACITY:
2696 		{
2697 			UCHAR *rbuf=csio->data_ptr;
2698 			unsigned int cap;
2699 
2700 			if (pVDev->VDeviceCapacity > 0xfffffffful) {
2701 				cap = 0xfffffffful;
2702 			} else {
2703 				cap = pVDev->VDeviceCapacity - 1;
2704 			}
2705 
2706 			rbuf[0] = (UCHAR)(cap>>24);
2707 			rbuf[1] = (UCHAR)(cap>>16);
2708 			rbuf[2] = (UCHAR)(cap>>8);
2709 			rbuf[3] = (UCHAR)cap;
2710 			/* Claim 512 byte blocks (big-endian). */
2711 			rbuf[4] = 0;
2712 			rbuf[5] = 0;
2713 			rbuf[6] = 2;
2714 			rbuf[7] = 0;
2715 
2716 			ccb_h->status = CAM_REQ_CMP;
2717 			break;
2718 		}
2719 
2720 		case 0x9e: /*SERVICE_ACTION_IN*/
2721 		{
2722 			UCHAR *rbuf = csio->data_ptr;
2723 			LBA_T cap = pVDev->VDeviceCapacity - 1;
2724 
2725 			rbuf[0] = (UCHAR)(cap>>56);
2726 			rbuf[1] = (UCHAR)(cap>>48);
2727 			rbuf[2] = (UCHAR)(cap>>40);
2728 			rbuf[3] = (UCHAR)(cap>>32);
2729 			rbuf[4] = (UCHAR)(cap>>24);
2730 			rbuf[5] = (UCHAR)(cap>>16);
2731 			rbuf[6] = (UCHAR)(cap>>8);
2732 			rbuf[7] = (UCHAR)cap;
2733 			rbuf[8] = 0;
2734 			rbuf[9] = 0;
2735 			rbuf[10] = 2;
2736 			rbuf[11] = 0;
2737 
2738 			ccb_h->status = CAM_REQ_CMP;
2739 			break;
2740 		}
2741 
2742 		case READ_6:
2743 		case WRITE_6:
2744 		case READ_10:
2745 		case WRITE_10:
2746 		case 0x88: /* READ_16 */
2747 		case 0x8a: /* WRITE_16 */
2748 		case 0x13:
2749 		case 0x2f:
2750 		{
2751 			UCHAR Cdb[16];
2752 			UCHAR CdbLength;
2753 			_VBUS_INST(pVDev->pVBus)
2754 			PCommand pCmd = AllocateCommand(_VBUS_P0);
2755 			int error;
2756 			HPT_ASSERT(pCmd);
2757 
2758 			CdbLength = csio->cdb_len;
2759 			if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0)
2760 			{
2761 				if ((ccb->ccb_h.flags & CAM_CDB_PHYS) == 0)
2762 				{
2763 					bcopy(csio->cdb_io.cdb_ptr, Cdb, CdbLength);
2764 				}
2765 				else
2766 				{
2767 					KdPrintE(("ERROR!!!\n"));
2768 					ccb->ccb_h.status = CAM_REQ_INVALID;
2769 					break;
2770 				}
2771 			}
2772 			else
2773 			{
2774 				bcopy(csio->cdb_io.cdb_bytes, Cdb, CdbLength);
2775 			}
2776 
2777 			pCmd->pOrgCommand = ccb;
2778 			pCmd->pVDevice = pVDev;
2779 			pCmd->pfnCompletion = fOsCommandDone;
2780 			pCmd->pfnBuildSgl = fOsBuildSgl;
2781 			pCmd->pSgTable = pmap->psg;
2782 
2783 			switch (Cdb[0])
2784 			{
2785 				case READ_6:
2786 				case WRITE_6:
2787 				case 0x13:
2788 					pCmd->uCmd.Ide.Lba =  ((ULONG)Cdb[1] << 16) | ((ULONG)Cdb[2] << 8) | (ULONG)Cdb[3];
2789 					pCmd->uCmd.Ide.nSectors = (USHORT) Cdb[4];
2790 					break;
2791 
2792 				case 0x88: /* READ_16 */
2793 				case 0x8a: /* WRITE_16 */
2794 					pCmd->uCmd.Ide.Lba =
2795 						(HPT_U64)Cdb[2] << 56 |
2796 						(HPT_U64)Cdb[3] << 48 |
2797 						(HPT_U64)Cdb[4] << 40 |
2798 						(HPT_U64)Cdb[5] << 32 |
2799 						(HPT_U64)Cdb[6] << 24 |
2800 						(HPT_U64)Cdb[7] << 16 |
2801 						(HPT_U64)Cdb[8] << 8 |
2802 						(HPT_U64)Cdb[9];
2803 					pCmd->uCmd.Ide.nSectors = (USHORT)Cdb[12] << 8 | (USHORT)Cdb[13];
2804 					break;
2805 
2806 				default:
2807 					pCmd->uCmd.Ide.Lba = (ULONG)Cdb[5] | ((ULONG)Cdb[4] << 8) | ((ULONG)Cdb[3] << 16) | ((ULONG)Cdb[2] << 24);
2808 					pCmd->uCmd.Ide.nSectors = (USHORT) Cdb[8] | ((USHORT)Cdb[7]<<8);
2809 					break;
2810 			}
2811 
2812 			switch (Cdb[0])
2813 			{
2814 				case READ_6:
2815 				case READ_10:
2816 				case 0x88: /* READ_16 */
2817 					pCmd->uCmd.Ide.Command = IDE_COMMAND_READ;
2818 					pCmd->cf_data_in = 1;
2819 					break;
2820 
2821 				case WRITE_6:
2822 				case WRITE_10:
2823 				case 0x8a: /* WRITE_16 */
2824 					pCmd->uCmd.Ide.Command = IDE_COMMAND_WRITE;
2825 					pCmd->cf_data_out = 1;
2826 					break;
2827 				case 0x13:
2828 				case 0x2f:
2829 					pCmd->uCmd.Ide.Command = IDE_COMMAND_VERIFY;
2830 					break;
2831 			}
2832 /*///////////////////////// */
2833 			pCmd->cf_physical_sg = 1;
2834 			error = bus_dmamap_load_ccb(pAdapter->io_dma_parent,
2835 						    pmap->dma_map,
2836 						    ccb,
2837 						    hpt_io_dmamap_callback,
2838 						    pCmd, BUS_DMA_WAITOK
2839 						    );
2840 			KdPrint(("bus_dmamap_load return %d\n", error));
2841 			if (error && error!=EINPROGRESS) {
2842 				hpt_printk(("bus_dmamap_load error %d\n", error));
2843 				FreeCommand(_VBUS_P pCmd);
2844 				ccb->ccb_h.status = CAM_REQ_CMP_ERR;
2845 				dmamap_put(pmap);
2846 				pAdapter->outstandingCommands--;
2847 				if (pAdapter->outstandingCommands == 0)
2848 					wakeup(pAdapter);
2849 				xpt_done(ccb);
2850 			}
2851 			goto Command_Complished;
2852 		}
2853 
2854 		default:
2855 			ccb->ccb_h.status = CAM_REQ_INVALID;
2856 			break;
2857 	}
2858 	ccb_done(ccb);
2859 Command_Complished:
2860 	CheckPendingCall(_VBUS_P0);
2861 	return;
2862 }
2863 
2864 static void HPTLIBAPI
2865 fOsCommandDone(_VBUS_ARG PCommand pCmd)
2866 {
2867 	union ccb *ccb = pCmd->pOrgCommand;
2868 	PBUS_DMAMAP pmap = (PBUS_DMAMAP)ccb->ccb_adapter;
2869 	IAL_ADAPTER_T *pAdapter = pmap->pAdapter;
2870 
2871 	KdPrint(("fOsCommandDone(pcmd=%p, result=%d)\n", pCmd, pCmd->Result));
2872 
2873 	callout_stop(&pmap->timeout);
2874 
2875 	switch(pCmd->Result) {
2876 	case RETURN_SUCCESS:
2877 		ccb->ccb_h.status = CAM_REQ_CMP;
2878 		break;
2879 	case RETURN_BAD_DEVICE:
2880 		ccb->ccb_h.status = CAM_DEV_NOT_THERE;
2881 		break;
2882 	case RETURN_DEVICE_BUSY:
2883 		ccb->ccb_h.status = CAM_BUSY;
2884 		break;
2885 	case RETURN_INVALID_REQUEST:
2886 		ccb->ccb_h.status = CAM_REQ_INVALID;
2887 		break;
2888 	case RETURN_SELECTION_TIMEOUT:
2889 		ccb->ccb_h.status = CAM_SEL_TIMEOUT;
2890 		break;
2891 	case RETURN_RETRY:
2892 		ccb->ccb_h.status = CAM_BUSY;
2893 		break;
2894 	default:
2895 		ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR;
2896 		break;
2897 	}
2898 
2899 	if (pCmd->cf_data_in) {
2900 		bus_dmamap_sync(pAdapter->io_dma_parent, pmap->dma_map, BUS_DMASYNC_POSTREAD);
2901 	}
2902 	else if (pCmd->cf_data_out) {
2903 		bus_dmamap_sync(pAdapter->io_dma_parent, pmap->dma_map, BUS_DMASYNC_POSTWRITE);
2904 	}
2905 
2906 	bus_dmamap_unload(pAdapter->io_dma_parent, pmap->dma_map);
2907 
2908 	FreeCommand(_VBUS_P pCmd);
2909 	ccb_done(ccb);
2910 }
2911 
2912 int
2913 hpt_queue_dpc(HPT_DPC dpc, IAL_ADAPTER_T * pAdapter, void *arg, UCHAR flags)
2914 {
2915 	int p;
2916 
2917 	mtx_lock(&DpcQueue_Lock);
2918 	p = (DpcQueue_Last + 1) % MAX_DPC;
2919 	if (p==DpcQueue_First) {
2920 		KdPrint(("DPC Queue full!\n"));
2921 		mtx_unlock(&DpcQueue_Lock);
2922 		return -1;
2923 	}
2924 
2925 	DpcQueue[DpcQueue_Last].dpc = dpc;
2926 	DpcQueue[DpcQueue_Last].pAdapter = pAdapter;
2927 	DpcQueue[DpcQueue_Last].arg = arg;
2928 	DpcQueue[DpcQueue_Last].flags = flags;
2929 	DpcQueue_Last = p;
2930 	mtx_unlock(&DpcQueue_Lock);
2931 
2932 	return 0;
2933 }
2934 
2935 #ifdef _RAID5N_
2936 /*
2937  * Allocate memory above 16M, otherwise we may eat all low memory for ISA devices.
2938  * How about the memory for 5081 request/response array and PRD table?
2939  */
2940 void
2941 *os_alloc_page(_VBUS_ARG0)
2942 {
2943 	return (void *)contigmalloc(0x1000, M_DEVBUF, M_NOWAIT, 0x1000000, 0xffffffff, PAGE_SIZE, 0ul);
2944 }
2945 
2946 void
2947 *os_alloc_dma_page(_VBUS_ARG0)
2948 {
2949 	return (void *)contigmalloc(0x1000, M_DEVBUF, M_NOWAIT, 0x1000000, 0xffffffff, PAGE_SIZE, 0ul);
2950 }
2951 
2952 void
2953 os_free_page(_VBUS_ARG void *p)
2954 {
2955 	contigfree(p, 0x1000, M_DEVBUF);
2956 }
2957 
2958 void
2959 os_free_dma_page(_VBUS_ARG void *p)
2960 {
2961 	contigfree(p, 0x1000, M_DEVBUF);
2962 }
2963 
2964 void
2965 DoXor1(ULONG *p0, ULONG *p1, ULONG *p2, UINT nBytes)
2966 {
2967 	UINT i;
2968 	for (i = 0; i < nBytes / 4; i++) *p0++ = *p1++ ^ *p2++;
2969 }
2970 
2971 void
2972 DoXor2(ULONG *p0, ULONG *p2, UINT nBytes)
2973 {
2974 	UINT i;
2975 	for (i = 0; i < nBytes / 4; i++) *p0++ ^= *p2++;
2976 }
2977 #endif
2978