xref: /freebsd/sys/dev/hptmv/entry.c (revision 1631382cf2820245cc72965498ff174bb548dd63)
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/param.h>
30 #include <sys/systm.h>
31 #include <sys/kernel.h>
32 #include <sys/bus.h>
33 #include <sys/malloc.h>
34 #include <sys/resource.h>
35 #include <sys/time.h>
36 #include <sys/callout.h>
37 #include <sys/signalvar.h>
38 #include <sys/eventhandler.h>
39 #include <sys/proc.h>
40 #include <sys/kthread.h>
41 
42 #include <sys/mutex.h>
43 #include <sys/module.h>
44 #include <sys/sx.h>
45 
46 #include <dev/pci/pcireg.h>
47 #include <dev/pci/pcivar.h>
48 
49 #ifndef __KERNEL__
50 #define __KERNEL__
51 #endif
52 
53 #include <dev/hptmv/global.h>
54 #include <dev/hptmv/hptintf.h>
55 #include <dev/hptmv/osbsd.h>
56 #include <dev/hptmv/access601.h>
57 
58 
59 #ifdef DEBUG
60 #ifdef DEBUG_LEVEL
61 int hpt_dbg_level = DEBUG_LEVEL;
62 #else
63 int hpt_dbg_level = 0;
64 #endif
65 #endif
66 
67 #define MV_ERROR printf
68 
69 /*
70  * CAM SIM entry points
71  */
72 static int 	hpt_probe (device_t dev);
73 static void launch_worker_thread(void);
74 static int 	hpt_attach(device_t dev);
75 static int 	hpt_detach(device_t dev);
76 static int 	hpt_shutdown(device_t dev);
77 static void hpt_poll(struct cam_sim *sim);
78 static void hpt_intr(void *arg);
79 static void hpt_async(void *callback_arg, u_int32_t code, struct cam_path *path, void *arg);
80 static void hpt_action(struct cam_sim *sim, union ccb *ccb);
81 
82 static device_method_t driver_methods[] = {
83 	/* Device interface */
84 	DEVMETHOD(device_probe,		hpt_probe),
85 	DEVMETHOD(device_attach,	hpt_attach),
86 	DEVMETHOD(device_detach,	hpt_detach),
87 
88 	DEVMETHOD(device_shutdown,	hpt_shutdown),
89 	DEVMETHOD_END
90 };
91 
92 static driver_t hpt_pci_driver = {
93 	__str(PROC_DIR_NAME),
94 	driver_methods,
95 	sizeof(IAL_ADAPTER_T)
96 };
97 
98 #define __DRIVER_MODULE(p1, p2, p3, p4, p5) DRIVER_MODULE(p1, p2, p3, p4, p5)
99 __DRIVER_MODULE(PROC_DIR_NAME, pci, hpt_pci_driver, 0, 0);
100 MODULE_DEPEND(PROC_DIR_NAME, cam, 1, 1, 1);
101 
102 #define ccb_ccb_ptr spriv_ptr0
103 #define ccb_adapter ccb_h.spriv_ptr1
104 
105 static void SetInquiryData(PINQUIRYDATA inquiryData, PVDevice pVDev);
106 static void HPTLIBAPI OsSendCommand (_VBUS_ARG union ccb * ccb);
107 static void HPTLIBAPI fOsCommandDone(_VBUS_ARG PCommand pCmd);
108 static void ccb_done(union ccb *ccb);
109 static void hpt_queue_ccb(union ccb **ccb_Q, union ccb *ccb);
110 static void hpt_free_ccb(union ccb **ccb_Q, union ccb *ccb);
111 static void hpt_intr_locked(IAL_ADAPTER_T *pAdapter);
112 static void	hptmv_free_edma_queues(IAL_ADAPTER_T *pAdapter);
113 static void	hptmv_free_channel(IAL_ADAPTER_T *pAdapter, MV_U8 channelNum);
114 static void	handleEdmaError(_VBUS_ARG PCommand pCmd);
115 static int	hptmv_init_channel(IAL_ADAPTER_T *pAdapter, MV_U8 channelNum);
116 static int	fResetActiveCommands(PVBus _vbus_p);
117 static void	fRegisterVdevice(IAL_ADAPTER_T *pAdapter);
118 static int	hptmv_allocate_edma_queues(IAL_ADAPTER_T *pAdapter);
119 static void	hptmv_handle_event_disconnect(void *data);
120 static void	hptmv_handle_event_connect(void *data);
121 static int	start_channel(IAL_ADAPTER_T *pAdapter, MV_U8 channelNum);
122 static void	init_vdev_params(IAL_ADAPTER_T *pAdapter, MV_U8 channel);
123 static int	hptmv_parse_identify_results(MV_SATA_CHANNEL *pMvSataChannel);
124 static int HPTLIBAPI fOsBuildSgl(_VBUS_ARG PCommand pCmd, FPSCAT_GATH pSg,
125     int logical);
126 static MV_BOOLEAN CommandCompletionCB(MV_SATA_ADAPTER *pMvSataAdapter,
127     MV_U8 channelNum, MV_COMPLETION_TYPE comp_type, MV_VOID_PTR commandId,
128     MV_U16 responseFlags, MV_U32 timeStamp,
129     MV_STORAGE_DEVICE_REGISTERS *registerStruct);
130 static MV_BOOLEAN hptmv_event_notify(MV_SATA_ADAPTER *pMvSataAdapter,
131     MV_EVENT_TYPE eventType, MV_U32 param1, MV_U32 param2);
132 
133 #define ccb_ccb_ptr spriv_ptr0
134 #define ccb_adapter ccb_h.spriv_ptr1
135 
136 static struct sx hptmv_list_lock;
137 SX_SYSINIT(hptmv_list_lock, &hptmv_list_lock, "hptmv list");
138 IAL_ADAPTER_T *gIal_Adapter = NULL;
139 IAL_ADAPTER_T *pCurAdapter = NULL;
140 static MV_SATA_CHANNEL gMvSataChannels[MAX_VBUS][MV_SATA_CHANNELS_NUM];
141 
142 typedef struct st_HPT_DPC {
143 	IAL_ADAPTER_T *pAdapter;
144 	void (*dpc)(IAL_ADAPTER_T *, void *, UCHAR);
145 	void *arg;
146 	UCHAR flags;
147 } ST_HPT_DPC;
148 
149 #define MAX_DPC 16
150 UCHAR DPC_Request_Nums = 0;
151 static ST_HPT_DPC DpcQueue[MAX_DPC];
152 static int DpcQueue_First=0;
153 static int DpcQueue_Last = 0;
154 static struct mtx DpcQueue_Lock;
155 MTX_SYSINIT(hpmtv_dpc_lock, &DpcQueue_Lock, "hptmv dpc", MTX_DEF);
156 
157 char DRIVER_VERSION[] = "v1.16";
158 
159 /*******************************************************************************
160  *	Name:	hptmv_free_channel
161  *
162  *	Description:	free allocated queues for the given channel
163  *
164  *	Parameters:    	pMvSataAdapter - pointer to the RR18xx controller this
165  * 					channel connected to.
166  *			channelNum - channel number.
167  *
168  ******************************************************************************/
169 static void
170 hptmv_free_channel(IAL_ADAPTER_T *pAdapter, MV_U8 channelNum)
171 {
172 	HPT_ASSERT(channelNum < MV_SATA_CHANNELS_NUM);
173 	pAdapter->mvSataAdapter.sataChannel[channelNum] = NULL;
174 }
175 
176 static void failDevice(PVDevice pVDev)
177 {
178 	PVBus _vbus_p = pVDev->pVBus;
179 	IAL_ADAPTER_T *pAdapter = (IAL_ADAPTER_T *)_vbus_p->OsExt;
180 
181 	pVDev->u.disk.df_on_line = 0;
182 	pVDev->vf_online = 0;
183 	if (pVDev->pfnDeviceFailed)
184 		CallWhenIdle(_VBUS_P (DPC_PROC)pVDev->pfnDeviceFailed, pVDev);
185 
186 	fNotifyGUI(ET_DEVICE_REMOVED, pVDev);
187 
188 #ifndef FOR_DEMO
189 	if (pAdapter->ver_601==2 && !pAdapter->beeping) {
190 		pAdapter->beeping = 1;
191 		BeepOn(pAdapter->mvSataAdapter.adapterIoBaseAddress);
192 		set_fail_led(&pAdapter->mvSataAdapter, pVDev->u.disk.mv->channelNumber, 1);
193 	}
194 #endif
195 }
196 
197 int MvSataResetChannel(MV_SATA_ADAPTER *pMvSataAdapter, MV_U8 channel);
198 
199 static void
200 handleEdmaError(_VBUS_ARG PCommand pCmd)
201 {
202 	PDevice pDevice = &pCmd->pVDevice->u.disk;
203 	MV_SATA_ADAPTER * pSataAdapter = pDevice->mv->mvSataAdapter;
204 
205 	if (!pDevice->df_on_line) {
206 		KdPrint(("Device is offline"));
207 		pCmd->Result = RETURN_BAD_DEVICE;
208 		CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
209 		return;
210 	}
211 
212 	if (pCmd->RetryCount++>5) {
213 		hpt_printk(("too many retries on channel(%d)\n", pDevice->mv->channelNumber));
214 failed:
215 		failDevice(pCmd->pVDevice);
216 		pCmd->Result = RETURN_IDE_ERROR;
217 		CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
218 		return;
219 	}
220 
221 	/* reset the channel and retry the command */
222 	if (MvSataResetChannel(pSataAdapter, pDevice->mv->channelNumber))
223 		goto failed;
224 
225 	fNotifyGUI(ET_DEVICE_ERROR, Map2pVDevice(pDevice));
226 
227 	hpt_printk(("Retry on channel(%d)\n", pDevice->mv->channelNumber));
228 	fDeviceSendCommand(_VBUS_P pCmd);
229 }
230 
231 /****************************************************************
232  *	Name:	hptmv_init_channel
233  *
234  *	Description:	allocate request and response queues for the EDMA of the
235  *					given channel and sets other fields.
236  *
237  *	Parameters:
238  *		pAdapter - pointer to the emulated adapter data structure
239  *		channelNum - channel number.
240  *	Return:	0 on success, otherwise on failure
241  ****************************************************************/
242 static int
243 hptmv_init_channel(IAL_ADAPTER_T *pAdapter, MV_U8 channelNum)
244 {
245 	MV_SATA_CHANNEL *pMvSataChannel;
246 	dma_addr_t    req_dma_addr;
247 	dma_addr_t    rsp_dma_addr;
248 
249 	if (channelNum >= MV_SATA_CHANNELS_NUM)
250 	{
251 		MV_ERROR("RR18xx[%d]: Bad channelNum=%d",
252 				 pAdapter->mvSataAdapter.adapterId, channelNum);
253 		return -1;
254 	}
255 
256 	pMvSataChannel = &gMvSataChannels[pAdapter->mvSataAdapter.adapterId][channelNum];
257 	pAdapter->mvSataAdapter.sataChannel[channelNum] = pMvSataChannel;
258 	pMvSataChannel->channelNumber = channelNum;
259 	pMvSataChannel->lba48Address = MV_FALSE;
260 	pMvSataChannel->maxReadTransfer = MV_FALSE;
261 
262 	pMvSataChannel->requestQueue = (struct mvDmaRequestQueueEntry *)
263 								   (pAdapter->requestsArrayBaseAlignedAddr + (channelNum * MV_EDMA_REQUEST_QUEUE_SIZE));
264 	req_dma_addr = pAdapter->requestsArrayBaseDmaAlignedAddr + (channelNum * MV_EDMA_REQUEST_QUEUE_SIZE);
265 
266 
267 	KdPrint(("requestQueue addr is 0x%llX", (HPT_U64)(ULONG_PTR)req_dma_addr));
268 
269 	/* check the 1K alignment of the request queue*/
270 	if (req_dma_addr & 0x3ff)
271 	{
272 		MV_ERROR("RR18xx[%d]: request queue allocated isn't 1 K aligned,"
273 				 " dma_addr=%llx channel=%d\n", pAdapter->mvSataAdapter.adapterId,
274 				 (HPT_U64)(ULONG_PTR)req_dma_addr, channelNum);
275 		return -1;
276 	}
277 	pMvSataChannel->requestQueuePciLowAddress = req_dma_addr;
278 	pMvSataChannel->requestQueuePciHiAddress = 0;
279 	KdPrint(("RR18xx[%d,%d]: request queue allocated: 0x%p",
280 			  pAdapter->mvSataAdapter.adapterId, channelNum,
281 			  pMvSataChannel->requestQueue));
282 	pMvSataChannel->responseQueue = (struct mvDmaResponseQueueEntry *)
283 									(pAdapter->responsesArrayBaseAlignedAddr + (channelNum * MV_EDMA_RESPONSE_QUEUE_SIZE));
284 	rsp_dma_addr = pAdapter->responsesArrayBaseDmaAlignedAddr + (channelNum * MV_EDMA_RESPONSE_QUEUE_SIZE);
285 
286 	/* check the 256 alignment of the response queue*/
287 	if (rsp_dma_addr & 0xff)
288 	{
289 		MV_ERROR("RR18xx[%d,%d]: response queue allocated isn't 256 byte "
290 				 "aligned, dma_addr=%llx\n",
291 				 pAdapter->mvSataAdapter.adapterId, channelNum, (HPT_U64)(ULONG_PTR)rsp_dma_addr);
292 		return -1;
293 	}
294 	pMvSataChannel->responseQueuePciLowAddress = rsp_dma_addr;
295 	pMvSataChannel->responseQueuePciHiAddress = 0;
296 	KdPrint(("RR18xx[%d,%d]: response queue allocated: 0x%p",
297 			  pAdapter->mvSataAdapter.adapterId, channelNum,
298 			  pMvSataChannel->responseQueue));
299 
300 	pAdapter->mvChannel[channelNum].online = MV_TRUE;
301 	return 0;
302 }
303 
304 /******************************************************************************
305  *	Name: hptmv_parse_identify_results
306  *
307  *	Description:	this functions parses the identify command results, checks
308  *					that the connected deives can be accesed by RR18xx EDMA,
309  *					and updates the channel structure accordingly.
310  *
311  *	Parameters:     pMvSataChannel, pointer to the channel data structure.
312  *
313  *	Returns:       	=0 ->success, < 0 ->failure.
314  *
315  ******************************************************************************/
316 static int
317 hptmv_parse_identify_results(MV_SATA_CHANNEL *pMvSataChannel)
318 {
319 	MV_U16  *iden = pMvSataChannel->identifyDevice;
320 
321 	/*LBA addressing*/
322 	if (! (iden[IDEN_CAPACITY_1_OFFSET] & 0x200))
323 	{
324 		KdPrint(("IAL Error in IDENTIFY info: LBA not supported\n"));
325 		return -1;
326 	}
327 	else
328 	{
329 		KdPrint(("%25s - %s\n", "Capabilities", "LBA supported"));
330 	}
331 	/*DMA support*/
332 	if (! (iden[IDEN_CAPACITY_1_OFFSET] & 0x100))
333 	{
334 		KdPrint(("IAL Error in IDENTIFY info: DMA not supported\n"));
335 		return -1;
336 	}
337 	else
338 	{
339 		KdPrint(("%25s - %s\n", "Capabilities", "DMA supported"));
340 	}
341 	/* PIO */
342 	if ((iden[IDEN_VALID] & 2) == 0)
343 	{
344 		KdPrint(("IAL Error in IDENTIFY info: not able to find PIO mode\n"));
345 		return -1;
346 	}
347 	KdPrint(("%25s - 0x%02x\n", "PIO modes supported",
348 			  iden[IDEN_PIO_MODE_SPPORTED] & 0xff));
349 
350 	/*UDMA*/
351 	if ((iden[IDEN_VALID] & 4) == 0)
352 	{
353 		KdPrint(("IAL Error in IDENTIFY info: not able to find UDMA mode\n"));
354 		return -1;
355 	}
356 
357 	/* 48 bit address */
358 	if ((iden[IDEN_SUPPORTED_COMMANDS2] & 0x400))
359 	{
360 		KdPrint(("%25s - %s\n", "LBA48 addressing", "supported"));
361 		pMvSataChannel->lba48Address = MV_TRUE;
362 	}
363 	else
364 	{
365 		KdPrint(("%25s - %s\n", "LBA48 addressing", "Not supported"));
366 		pMvSataChannel->lba48Address = MV_FALSE;
367 	}
368 	return 0;
369 }
370 
371 static void
372 init_vdev_params(IAL_ADAPTER_T *pAdapter, MV_U8 channel)
373 {
374 	PVDevice pVDev = &pAdapter->VDevices[channel];
375 	MV_SATA_CHANNEL *pMvSataChannel = pAdapter->mvSataAdapter.sataChannel[channel];
376 	MV_U16_PTR IdentifyData = pMvSataChannel->identifyDevice;
377 
378 	pMvSataChannel->outstandingCommands = 0;
379 
380 	pVDev->u.disk.mv         = pMvSataChannel;
381 	pVDev->u.disk.df_on_line = 1;
382 	pVDev->u.disk.pVBus      = &pAdapter->VBus;
383 	pVDev->pVBus             = &pAdapter->VBus;
384 
385 #ifdef SUPPORT_48BIT_LBA
386 	if (pMvSataChannel->lba48Address == MV_TRUE)
387 		pVDev->u.disk.dDeRealCapacity = ((IdentifyData[101]<<16) | IdentifyData[100]) - 1;
388 	else
389 #endif
390 	if(IdentifyData[53] & 1) {
391 	pVDev->u.disk.dDeRealCapacity =
392 	  (((IdentifyData[58]<<16 | IdentifyData[57]) < (IdentifyData[61]<<16 | IdentifyData[60])) ?
393 		  (IdentifyData[61]<<16 | IdentifyData[60]) :
394 				(IdentifyData[58]<<16 | IdentifyData[57])) - 1;
395 	} else
396 		pVDev->u.disk.dDeRealCapacity =
397 				 (IdentifyData[61]<<16 | IdentifyData[60]) - 1;
398 
399 	pVDev->u.disk.bDeUsable_Mode = pVDev->u.disk.bDeModeSetting =
400 		pAdapter->mvChannel[channel].maxPioModeSupported - MV_ATA_TRANSFER_PIO_0;
401 
402 	if (pAdapter->mvChannel[channel].maxUltraDmaModeSupported!=0xFF) {
403 		pVDev->u.disk.bDeUsable_Mode = pVDev->u.disk.bDeModeSetting =
404 			pAdapter->mvChannel[channel].maxUltraDmaModeSupported - MV_ATA_TRANSFER_UDMA_0 + 8;
405 	}
406 }
407 
408 static void device_change(IAL_ADAPTER_T *pAdapter , MV_U8 channelIndex, int plugged)
409 {
410 	PVDevice pVDev;
411 	MV_SATA_ADAPTER  *pMvSataAdapter = &pAdapter->mvSataAdapter;
412 	MV_SATA_CHANNEL  *pMvSataChannel = pMvSataAdapter->sataChannel[channelIndex];
413 
414 	if (!pMvSataChannel) return;
415 
416 	if (plugged)
417 	{
418 		pVDev = &(pAdapter->VDevices[channelIndex]);
419 		init_vdev_params(pAdapter, channelIndex);
420 
421 		pVDev->VDeviceType = pVDev->u.disk.df_atapi? VD_ATAPI :
422 			pVDev->u.disk.df_removable_drive? VD_REMOVABLE : VD_SINGLE_DISK;
423 
424 		pVDev->VDeviceCapacity = pVDev->u.disk.dDeRealCapacity-SAVE_FOR_RAID_INFO;
425 		pVDev->pfnSendCommand = pfnSendCommand[pVDev->VDeviceType];
426 		pVDev->pfnDeviceFailed = pfnDeviceFailed[pVDev->VDeviceType];
427 		pVDev->vf_online = 1;
428 
429 #ifdef SUPPORT_ARRAY
430 		if(pVDev->pParent)
431 		{
432 			int iMember;
433 			for(iMember = 0; iMember < 	pVDev->pParent->u.array.bArnMember; iMember++)
434 				if((PVDevice)pVDev->pParent->u.array.pMember[iMember] == pVDev)
435 					pVDev->pParent->u.array.pMember[iMember] = NULL;
436 			pVDev->pParent = NULL;
437 		}
438 #endif
439 		fNotifyGUI(ET_DEVICE_PLUGGED,pVDev);
440 		fCheckBootable(pVDev);
441 		RegisterVDevice(pVDev);
442 
443 #ifndef FOR_DEMO
444 		if (pAdapter->beeping) {
445 			pAdapter->beeping = 0;
446 			BeepOff(pAdapter->mvSataAdapter.adapterIoBaseAddress);
447 		}
448 #endif
449 
450 	}
451 	else
452 	{
453 		pVDev  = &(pAdapter->VDevices[channelIndex]);
454 		failDevice(pVDev);
455 	}
456 }
457 
458 static int
459 start_channel(IAL_ADAPTER_T *pAdapter, MV_U8 channelNum)
460 {
461 	MV_SATA_ADAPTER *pMvSataAdapter = &pAdapter->mvSataAdapter;
462 	MV_SATA_CHANNEL *pMvSataChannel = pMvSataAdapter->sataChannel[channelNum];
463 	MV_CHANNEL		*pChannelInfo = &(pAdapter->mvChannel[channelNum]);
464 	MV_U32          udmaMode,pioMode;
465 
466 	KdPrint(("RR18xx [%d]: start channel (%d)", pMvSataAdapter->adapterId,
467 			 channelNum));
468 
469 
470 	/* Software reset channel */
471 	if (mvStorageDevATASoftResetDevice(pMvSataAdapter, channelNum) == MV_FALSE)
472 	{
473 		MV_ERROR("RR18xx [%d,%d]: failed to perform Software reset\n",
474 				 pMvSataAdapter->adapterId, channelNum);
475 		return -1;
476 	}
477 
478 	/* Hardware reset channel */
479 	if (mvSataChannelHardReset(pMvSataAdapter, channelNum) == MV_FALSE)
480 	{
481 		/* If failed, try again - this is when trying to hardreset a channel */
482 		/* when drive is just spinning up */
483 		StallExec(5000000); /* wait 5 sec before trying again */
484 		if (mvSataChannelHardReset(pMvSataAdapter, channelNum) == MV_FALSE)
485 		{
486 			MV_ERROR("RR18xx [%d,%d]: failed to perform Hard reset\n",
487 					 pMvSataAdapter->adapterId, channelNum);
488 			return -1;
489 		}
490 	}
491 
492 	/* identify device*/
493 	if (mvStorageDevATAIdentifyDevice(pMvSataAdapter, channelNum) == MV_FALSE)
494 	{
495 		MV_ERROR("RR18xx [%d,%d]: failed to perform ATA Identify command\n"
496 				 , pMvSataAdapter->adapterId, channelNum);
497 		return -1;
498 	}
499 	if (hptmv_parse_identify_results(pMvSataChannel))
500 	{
501 		MV_ERROR("RR18xx [%d,%d]: Error in parsing ATA Identify message\n"
502 				 , pMvSataAdapter->adapterId, channelNum);
503 		return -1;
504 	}
505 
506 	/* mvStorageDevATASetFeatures */
507 	/* Disable 8 bit PIO in case CFA enabled */
508 	if (pMvSataChannel->identifyDevice[86] & 4)
509 	{
510 		KdPrint(("RR18xx [%d]: Disable 8 bit PIO (CFA enabled) \n",
511 				  pMvSataAdapter->adapterId));
512 		if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
513 									   MV_ATA_SET_FEATURES_DISABLE_8_BIT_PIO, 0,
514 									   0, 0, 0) == MV_FALSE)
515 		{
516 			MV_ERROR("RR18xx [%d]: channel %d: mvStorageDevATASetFeatures"
517 					 " failed\n", pMvSataAdapter->adapterId, channelNum);
518 			return -1;
519 		}
520 	}
521 	/* Write cache */
522 #ifdef ENABLE_WRITE_CACHE
523 	if (pMvSataChannel->identifyDevice[82] & 0x20)
524 	{
525 		if (!(pMvSataChannel->identifyDevice[85] & 0x20)) /* if not enabled by default */
526 		{
527 			if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
528 										   MV_ATA_SET_FEATURES_ENABLE_WCACHE, 0,
529 										   0, 0, 0) == MV_FALSE)
530 			{
531 				MV_ERROR("RR18xx [%d]: channel %d: mvStorageDevATASetFeatures failed\n",
532 						 pMvSataAdapter->adapterId, channelNum);
533 				return -1;
534 			}
535 		}
536 		KdPrint(("RR18xx [%d]: channel %d, write cache enabled\n",
537 				  pMvSataAdapter->adapterId, channelNum));
538 	}
539 	else
540 	{
541 		KdPrint(("RR18xx [%d]: channel %d, write cache not supported\n",
542 				  pMvSataAdapter->adapterId, channelNum));
543 	}
544 #else /* disable write cache */
545 	{
546 		if (pMvSataChannel->identifyDevice[85] & 0x20)
547 		{
548 			KdPrint(("RR18xx [%d]: channel =%d, disable write cache\n",
549 					  pMvSataAdapter->adapterId, channelNum));
550 			if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
551 										   MV_ATA_SET_FEATURES_DISABLE_WCACHE, 0,
552 										   0, 0, 0) == MV_FALSE)
553 			{
554 				MV_ERROR("RR18xx [%d]: channel %d: mvStorageDevATASetFeatures failed\n",
555 						 pMvSataAdapter->adapterId, channelNum);
556 				return -1;
557 			}
558 		}
559 		KdPrint(("RR18xx [%d]: channel=%d, write cache disabled\n",
560 				  pMvSataAdapter->adapterId, channelNum));
561 	}
562 #endif
563 
564 	/* Set transfer mode */
565 	KdPrint(("RR18xx [%d] Set transfer mode XFER_PIO_SLOW\n",
566 			  pMvSataAdapter->adapterId));
567 	if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
568 								   MV_ATA_SET_FEATURES_TRANSFER,
569 								   MV_ATA_TRANSFER_PIO_SLOW, 0, 0, 0) ==
570 		MV_FALSE)
571 	{
572 		MV_ERROR("RR18xx [%d] channel %d: Set Features failed\n",
573 				 pMvSataAdapter->adapterId, channelNum);
574 		return -1;
575 	}
576 
577 	if (pMvSataChannel->identifyDevice[IDEN_PIO_MODE_SPPORTED] & 1)
578 	{
579 		pioMode = MV_ATA_TRANSFER_PIO_4;
580 	}
581 	else if (pMvSataChannel->identifyDevice[IDEN_PIO_MODE_SPPORTED] & 2)
582 	{
583 		pioMode = MV_ATA_TRANSFER_PIO_3;
584 	}
585 	else
586 	{
587 		MV_ERROR("IAL Error in IDENTIFY info: PIO modes 3 and 4 not supported\n");
588 		pioMode = MV_ATA_TRANSFER_PIO_SLOW;
589 	}
590 
591 	KdPrint(("RR18xx [%d] Set transfer mode XFER_PIO_4\n",
592 			  pMvSataAdapter->adapterId));
593 	pAdapter->mvChannel[channelNum].maxPioModeSupported = pioMode;
594 	if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
595 								   MV_ATA_SET_FEATURES_TRANSFER,
596 								   pioMode, 0, 0, 0) == MV_FALSE)
597 	{
598 		MV_ERROR("RR18xx [%d] channel %d: Set Features failed\n",
599 				 pMvSataAdapter->adapterId, channelNum);
600 		return -1;
601 	}
602 
603 	udmaMode = MV_ATA_TRANSFER_UDMA_0;
604 	if (pMvSataChannel->identifyDevice[IDEN_UDMA_MODE] & 0x40)
605 	{
606 		udmaMode =  MV_ATA_TRANSFER_UDMA_6;
607 	}
608 	else if (pMvSataChannel->identifyDevice[IDEN_UDMA_MODE] & 0x20)
609 	{
610 		udmaMode =  MV_ATA_TRANSFER_UDMA_5;
611 	}
612 	else if (pMvSataChannel->identifyDevice[IDEN_UDMA_MODE] & 0x10)
613 	{
614 		udmaMode =  MV_ATA_TRANSFER_UDMA_4;
615 	}
616 	else if (pMvSataChannel->identifyDevice[IDEN_UDMA_MODE] & 8)
617 	{
618 		udmaMode =  MV_ATA_TRANSFER_UDMA_3;
619 	}
620 	else if (pMvSataChannel->identifyDevice[IDEN_UDMA_MODE] & 4)
621 	{
622 		udmaMode =  MV_ATA_TRANSFER_UDMA_2;
623 	}
624 
625 	KdPrint(("RR18xx [%d] Set transfer mode XFER_UDMA_%d\n",
626 			  pMvSataAdapter->adapterId, udmaMode & 0xf));
627 	pChannelInfo->maxUltraDmaModeSupported = udmaMode;
628 
629 	/*if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
630 								   MV_ATA_SET_FEATURES_TRANSFER, udmaMode,
631 								   0, 0, 0) == MV_FALSE)
632 	{
633 		MV_ERROR("RR18xx [%d] channel %d: Set Features failed\n",
634 				 pMvSataAdapter->adapterId, channelNum);
635 		return -1;
636 	}*/
637 	if (pChannelInfo->maxUltraDmaModeSupported == 0xFF)
638 		return TRUE;
639 	else
640 		do
641 		{
642 			if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
643 								   MV_ATA_SET_FEATURES_TRANSFER,
644 								   pChannelInfo->maxUltraDmaModeSupported,
645 								   0, 0, 0) == MV_FALSE)
646 			{
647 				if (pChannelInfo->maxUltraDmaModeSupported > MV_ATA_TRANSFER_UDMA_0)
648 				{
649 					if (mvStorageDevATASoftResetDevice(pMvSataAdapter, channelNum) == MV_FALSE)
650 					{
651 						MV_REG_WRITE_BYTE(pMvSataAdapter->adapterIoBaseAddress,
652 										  pMvSataChannel->eDmaRegsOffset +
653 										  0x11c, /* command reg */
654 										  MV_ATA_COMMAND_IDLE_IMMEDIATE);
655 						mvMicroSecondsDelay(10000);
656 						mvSataChannelHardReset(pMvSataAdapter, channelNum);
657 						if (mvStorageDevATASoftResetDevice(pMvSataAdapter, channelNum) == MV_FALSE)
658 							return FALSE;
659 					}
660 					if (mvSataChannelHardReset(pMvSataAdapter, channelNum) == MV_FALSE)
661 						return FALSE;
662 					pChannelInfo->maxUltraDmaModeSupported--;
663 					continue;
664 				}
665 				else   return FALSE;
666 			}
667 			break;
668 		}while (1);
669 
670 	/* Read look ahead */
671 #ifdef ENABLE_READ_AHEAD
672 	if (pMvSataChannel->identifyDevice[82] & 0x40)
673 	{
674 		if (!(pMvSataChannel->identifyDevice[85] & 0x40)) /* if not enabled by default */
675 		{
676 			if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
677 										   MV_ATA_SET_FEATURES_ENABLE_RLA, 0, 0,
678 										   0, 0) == MV_FALSE)
679 			{
680 				MV_ERROR("RR18xx [%d] channel %d: Set Features failed\n",
681 						 pMvSataAdapter->adapterId, channelNum);
682 				return -1;
683 			}
684 		}
685 		KdPrint(("RR18xx [%d]: channel=%d, read look ahead enabled\n",
686 				  pMvSataAdapter->adapterId, channelNum));
687 	}
688 	else
689 	{
690 		KdPrint(("RR18xx [%d]: channel %d, Read Look Ahead not supported\n",
691 				  pMvSataAdapter->adapterId, channelNum));
692 	}
693 #else
694 	{
695 		if (pMvSataChannel->identifyDevice[86] & 0x20)
696 		{
697 			KdPrint(("RR18xx [%d]:channel %d, disable read look ahead\n",
698 					  pMvSataAdapter->adapterId, channelNum));
699 			if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
700 										   MV_ATA_SET_FEATURES_DISABLE_RLA, 0, 0,
701 										   0, 0) == MV_FALSE)
702 			{
703 				MV_ERROR("RR18xx [%d]:channel %d:  ATA Set Features failed\n",
704 						 pMvSataAdapter->adapterId, channelNum);
705 				return -1;
706 			}
707 		}
708 		KdPrint(("RR18xx [%d]:channel %d, read look ahead disabled\n",
709 				  pMvSataAdapter->adapterId, channelNum));
710 	}
711 #endif
712 
713 
714 	{
715 		KdPrint(("RR18xx [%d]: channel %d config EDMA, Non Queued Mode\n",
716 				  pMvSataAdapter->adapterId,
717 				  channelNum));
718 		if (mvSataConfigEdmaMode(pMvSataAdapter, channelNum,
719 								 MV_EDMA_MODE_NOT_QUEUED, 0) == MV_FALSE)
720 		{
721 			MV_ERROR("RR18xx [%d] channel %d Error: mvSataConfigEdmaMode failed\n",
722 					 pMvSataAdapter->adapterId, channelNum);
723 			return -1;
724 		}
725 	}
726 	/* Enable EDMA */
727 	if (mvSataEnableChannelDma(pMvSataAdapter, channelNum) == MV_FALSE)
728 	{
729 		MV_ERROR("RR18xx [%d] Failed to enable DMA, channel=%d\n",
730 				 pMvSataAdapter->adapterId, channelNum);
731 		return -1;
732 	}
733 	MV_ERROR("RR18xx [%d,%d]: channel started successfully\n",
734 			 pMvSataAdapter->adapterId, channelNum);
735 
736 #ifndef FOR_DEMO
737 	set_fail_led(pMvSataAdapter, channelNum, 0);
738 #endif
739 	return 0;
740 }
741 
742 static void
743 hptmv_handle_event(void * data, int flag)
744 {
745 	IAL_ADAPTER_T   *pAdapter = (IAL_ADAPTER_T *)data;
746 	MV_SATA_ADAPTER *pMvSataAdapter = &pAdapter->mvSataAdapter;
747 	MV_U8           channelIndex;
748 
749 	mtx_assert(&pAdapter->lock, MA_OWNED);
750 /*	mvOsSemTake(&pMvSataAdapter->semaphore); */
751 	for (channelIndex = 0; channelIndex < MV_SATA_CHANNELS_NUM; channelIndex++)
752 	{
753 		switch(pAdapter->sataEvents[channelIndex])
754 		{
755 			case SATA_EVENT_CHANNEL_CONNECTED:
756 				/* Handle only connects */
757 				if (flag == 1)
758 					break;
759 				KdPrint(("RR18xx [%d,%d]: new device connected\n",
760 						 pMvSataAdapter->adapterId, channelIndex));
761 				hptmv_init_channel(pAdapter, channelIndex);
762 				if (mvSataConfigureChannel( pMvSataAdapter, channelIndex) == MV_FALSE)
763 				{
764 					MV_ERROR("RR18xx [%d,%d] Failed to configure\n",
765 							 pMvSataAdapter->adapterId, channelIndex);
766 					hptmv_free_channel(pAdapter, channelIndex);
767 				}
768 				else
769 				{
770 					/*mvSataChannelHardReset(pMvSataAdapter, channel);*/
771 					if (start_channel( pAdapter, channelIndex))
772 					{
773 						MV_ERROR("RR18xx [%d,%d]Failed to start channel\n",
774 								 pMvSataAdapter->adapterId, channelIndex);
775 						hptmv_free_channel(pAdapter, channelIndex);
776 					}
777 					else
778 					{
779 						device_change(pAdapter, channelIndex, TRUE);
780 					}
781 				}
782 				pAdapter->sataEvents[channelIndex] = SATA_EVENT_NO_CHANGE;
783 			   break;
784 
785 			case SATA_EVENT_CHANNEL_DISCONNECTED:
786 				/* Handle only disconnects */
787 				if (flag == 0)
788 					break;
789 				KdPrint(("RR18xx [%d,%d]: device disconnected\n",
790 						 pMvSataAdapter->adapterId, channelIndex));
791 					/* Flush pending commands */
792 				if(pMvSataAdapter->sataChannel[channelIndex])
793 				{
794 					_VBUS_INST(&pAdapter->VBus)
795 					mvSataFlushDmaQueue (pMvSataAdapter, channelIndex,
796 										 MV_FLUSH_TYPE_CALLBACK);
797 					CheckPendingCall(_VBUS_P0);
798 					mvSataRemoveChannel(pMvSataAdapter,channelIndex);
799 					hptmv_free_channel(pAdapter, channelIndex);
800 					pMvSataAdapter->sataChannel[channelIndex] = NULL;
801 					KdPrint(("RR18xx [%d,%d]: channel removed\n",
802 						 pMvSataAdapter->adapterId, channelIndex));
803 					if (pAdapter->outstandingCommands==0 && DPC_Request_Nums==0)
804 						Check_Idle_Call(pAdapter);
805 				}
806 				else
807 				{
808 					KdPrint(("RR18xx [%d,%d]: channel already removed!!\n",
809 							 pMvSataAdapter->adapterId, channelIndex));
810 				}
811 				pAdapter->sataEvents[channelIndex] = SATA_EVENT_NO_CHANGE;
812 				break;
813 
814 			case SATA_EVENT_NO_CHANGE:
815 				break;
816 
817 			default:
818 				break;
819 		}
820 	}
821 /*	mvOsSemRelease(&pMvSataAdapter->semaphore); */
822 }
823 
824 #define EVENT_CONNECT					1
825 #define EVENT_DISCONNECT				0
826 
827 static void
828 hptmv_handle_event_connect(void *data)
829 {
830   hptmv_handle_event (data, 0);
831 }
832 
833 static void
834 hptmv_handle_event_disconnect(void *data)
835 {
836   hptmv_handle_event (data, 1);
837 }
838 
839 static MV_BOOLEAN
840 hptmv_event_notify(MV_SATA_ADAPTER *pMvSataAdapter, MV_EVENT_TYPE eventType,
841 								   MV_U32 param1, MV_U32 param2)
842 {
843 	IAL_ADAPTER_T   *pAdapter = pMvSataAdapter->IALData;
844 
845 	switch (eventType)
846 	{
847 		case MV_EVENT_TYPE_SATA_CABLE:
848 			{
849 				MV_U8   channel = param2;
850 
851 				if (param1 == EVENT_CONNECT)
852 				{
853 					pAdapter->sataEvents[channel] = SATA_EVENT_CHANNEL_CONNECTED;
854 					KdPrint(("RR18xx [%d,%d]: device connected event received\n",
855 							 pMvSataAdapter->adapterId, channel));
856 					/* Delete previous timers (if multiple drives connected in the same time */
857 					callout_reset(&pAdapter->event_timer_connect, 10 * hz, hptmv_handle_event_connect, pAdapter);
858 				}
859 				else if (param1 == EVENT_DISCONNECT)
860 				{
861 					pAdapter->sataEvents[channel] = SATA_EVENT_CHANNEL_DISCONNECTED;
862 					KdPrint(("RR18xx [%d,%d]: device disconnected event received \n",
863 							 pMvSataAdapter->adapterId, channel));
864 					device_change(pAdapter, channel, FALSE);
865 					/* Delete previous timers (if multiple drives disconnected in the same time */
866 					/*callout_reset(&pAdapter->event_timer_disconnect, 10 * hz, hptmv_handle_event_disconnect, pAdapter); */
867 					/*It is not necessary to wait, handle it directly*/
868 					hptmv_handle_event_disconnect(pAdapter);
869 				}
870 				else
871 				{
872 
873 					MV_ERROR("RR18xx: illegal value for param1(%d) at "
874 							 "connect/disconnect event, host=%d\n", param1,
875 							 pMvSataAdapter->adapterId );
876 
877 				}
878 			}
879 			break;
880 		case MV_EVENT_TYPE_ADAPTER_ERROR:
881 			KdPrint(("RR18xx: DEVICE error event received, pci cause "
882 					  "reg=%x,  don't how to handle this\n", param1));
883 			return MV_TRUE;
884 		default:
885 			MV_ERROR("RR18xx[%d]: unknown event type (%d)\n",
886 					 pMvSataAdapter->adapterId, eventType);
887 			return MV_FALSE;
888 	}
889 	return MV_TRUE;
890 }
891 
892 static int
893 hptmv_allocate_edma_queues(IAL_ADAPTER_T *pAdapter)
894 {
895 	pAdapter->requestsArrayBaseAddr = (MV_U8 *)contigmalloc(REQUESTS_ARRAY_SIZE,
896 			M_DEVBUF, M_NOWAIT, 0, 0xffffffff, PAGE_SIZE, 0ul);
897 	if (pAdapter->requestsArrayBaseAddr == NULL)
898 	{
899 		MV_ERROR("RR18xx[%d]: Failed to allocate memory for EDMA request"
900 				 " queues\n", pAdapter->mvSataAdapter.adapterId);
901 		return -1;
902 	}
903 	pAdapter->requestsArrayBaseDmaAddr = fOsPhysicalAddress(pAdapter->requestsArrayBaseAddr);
904 	pAdapter->requestsArrayBaseAlignedAddr = pAdapter->requestsArrayBaseAddr;
905 	pAdapter->requestsArrayBaseAlignedAddr += MV_EDMA_REQUEST_QUEUE_SIZE;
906 	pAdapter->requestsArrayBaseAlignedAddr  = (MV_U8 *)
907 		(((ULONG_PTR)pAdapter->requestsArrayBaseAlignedAddr) & ~(ULONG_PTR)(MV_EDMA_REQUEST_QUEUE_SIZE - 1));
908 	pAdapter->requestsArrayBaseDmaAlignedAddr = pAdapter->requestsArrayBaseDmaAddr;
909 	pAdapter->requestsArrayBaseDmaAlignedAddr += MV_EDMA_REQUEST_QUEUE_SIZE;
910 	pAdapter->requestsArrayBaseDmaAlignedAddr &= ~(ULONG_PTR)(MV_EDMA_REQUEST_QUEUE_SIZE - 1);
911 
912 	if ((pAdapter->requestsArrayBaseDmaAlignedAddr - pAdapter->requestsArrayBaseDmaAddr) !=
913 		(pAdapter->requestsArrayBaseAlignedAddr - pAdapter->requestsArrayBaseAddr))
914 	{
915 		MV_ERROR("RR18xx[%d]: Error in Request Quueues Alignment\n",
916 				 pAdapter->mvSataAdapter.adapterId);
917 		contigfree(pAdapter->requestsArrayBaseAddr, REQUESTS_ARRAY_SIZE, M_DEVBUF);
918 		return -1;
919 	}
920 	/* response queues */
921 	pAdapter->responsesArrayBaseAddr = (MV_U8 *)contigmalloc(RESPONSES_ARRAY_SIZE,
922 			M_DEVBUF, M_NOWAIT, 0, 0xffffffff, PAGE_SIZE, 0ul);
923 	if (pAdapter->responsesArrayBaseAddr == NULL)
924 	{
925 		MV_ERROR("RR18xx[%d]: Failed to allocate memory for EDMA response"
926 				 " queues\n", pAdapter->mvSataAdapter.adapterId);
927 		contigfree(pAdapter->requestsArrayBaseAddr, RESPONSES_ARRAY_SIZE, M_DEVBUF);
928 		return -1;
929 	}
930 	pAdapter->responsesArrayBaseDmaAddr = fOsPhysicalAddress(pAdapter->responsesArrayBaseAddr);
931 	pAdapter->responsesArrayBaseAlignedAddr = pAdapter->responsesArrayBaseAddr;
932 	pAdapter->responsesArrayBaseAlignedAddr += MV_EDMA_RESPONSE_QUEUE_SIZE;
933 	pAdapter->responsesArrayBaseAlignedAddr  = (MV_U8 *)
934 		(((ULONG_PTR)pAdapter->responsesArrayBaseAlignedAddr) & ~(ULONG_PTR)(MV_EDMA_RESPONSE_QUEUE_SIZE - 1));
935 	pAdapter->responsesArrayBaseDmaAlignedAddr = pAdapter->responsesArrayBaseDmaAddr;
936 	pAdapter->responsesArrayBaseDmaAlignedAddr += MV_EDMA_RESPONSE_QUEUE_SIZE;
937 	pAdapter->responsesArrayBaseDmaAlignedAddr &= ~(ULONG_PTR)(MV_EDMA_RESPONSE_QUEUE_SIZE - 1);
938 
939 	if ((pAdapter->responsesArrayBaseDmaAlignedAddr - pAdapter->responsesArrayBaseDmaAddr) !=
940 		(pAdapter->responsesArrayBaseAlignedAddr - pAdapter->responsesArrayBaseAddr))
941 	{
942 		MV_ERROR("RR18xx[%d]: Error in Response Queues Alignment\n",
943 				 pAdapter->mvSataAdapter.adapterId);
944 		contigfree(pAdapter->requestsArrayBaseAddr, REQUESTS_ARRAY_SIZE, M_DEVBUF);
945 		contigfree(pAdapter->responsesArrayBaseAddr, RESPONSES_ARRAY_SIZE, M_DEVBUF);
946 		return -1;
947 	}
948 	return 0;
949 }
950 
951 static void
952 hptmv_free_edma_queues(IAL_ADAPTER_T *pAdapter)
953 {
954 	contigfree(pAdapter->requestsArrayBaseAddr, REQUESTS_ARRAY_SIZE, M_DEVBUF);
955 	contigfree(pAdapter->responsesArrayBaseAddr, RESPONSES_ARRAY_SIZE, M_DEVBUF);
956 }
957 
958 static PVOID
959 AllocatePRDTable(IAL_ADAPTER_T *pAdapter)
960 {
961 	PVOID ret;
962 	if (pAdapter->pFreePRDLink) {
963 		KdPrint(("pAdapter->pFreePRDLink:%p\n",pAdapter->pFreePRDLink));
964 		ret = pAdapter->pFreePRDLink;
965 		pAdapter->pFreePRDLink = *(void**)ret;
966 		return ret;
967 	}
968 	return NULL;
969 }
970 
971 static void
972 FreePRDTable(IAL_ADAPTER_T *pAdapter, PVOID PRDTable)
973 {
974 	*(void**)PRDTable = pAdapter->pFreePRDLink;
975 	pAdapter->pFreePRDLink = PRDTable;
976 }
977 
978 extern PVDevice fGetFirstChild(PVDevice pLogical);
979 extern void fResetBootMark(PVDevice pLogical);
980 static void
981 fRegisterVdevice(IAL_ADAPTER_T *pAdapter)
982 {
983 	PVDevice pPhysical, pLogical;
984 	PVBus  pVBus;
985 	int i,j;
986 
987 	for(i=0;i<MV_SATA_CHANNELS_NUM;i++) {
988 		pPhysical = &(pAdapter->VDevices[i]);
989 		pLogical = pPhysical;
990 		while (pLogical->pParent) pLogical = pLogical->pParent;
991 		if (pLogical->vf_online==0) {
992 			pPhysical->vf_bootmark = pLogical->vf_bootmark = 0;
993 			continue;
994 		}
995 		if (pLogical->VDeviceType==VD_SPARE || pPhysical!=fGetFirstChild(pLogical))
996 			continue;
997 
998 		pVBus = &pAdapter->VBus;
999 		if(pVBus)
1000 		{
1001 			j=0;
1002 			while(j<MAX_VDEVICE_PER_VBUS && pVBus->pVDevice[j]) j++;
1003 			if(j<MAX_VDEVICE_PER_VBUS){
1004 				pVBus->pVDevice[j] = pLogical;
1005 				pLogical->pVBus = pVBus;
1006 
1007 				if (j>0 && pLogical->vf_bootmark) {
1008 					if (pVBus->pVDevice[0]->vf_bootmark) {
1009 						fResetBootMark(pLogical);
1010 					}
1011 					else {
1012 						do { pVBus->pVDevice[j] = pVBus->pVDevice[j-1]; } while (--j);
1013 						pVBus->pVDevice[0] = pLogical;
1014 					}
1015 				}
1016 			}
1017 		}
1018 	}
1019 }
1020 
1021 PVDevice
1022 GetSpareDisk(_VBUS_ARG PVDevice pArray)
1023 {
1024 	IAL_ADAPTER_T *pAdapter = (IAL_ADAPTER_T *)pArray->pVBus->OsExt;
1025 	LBA_T capacity = LongDiv(pArray->VDeviceCapacity, pArray->u.array.bArnMember-1);
1026 	LBA_T thiscap, maxcap = MAX_LBA_T;
1027 	PVDevice pVDevice, pFind = NULL;
1028 	int i;
1029 
1030 	for(i=0;i<MV_SATA_CHANNELS_NUM;i++)
1031 	{
1032 		pVDevice = &pAdapter->VDevices[i];
1033 		if(!pVDevice)
1034 			continue;
1035 		thiscap = pArray->vf_format_v2? pVDevice->u.disk.dDeRealCapacity : pVDevice->VDeviceCapacity;
1036 		/* find the smallest usable spare disk */
1037 		if (pVDevice->VDeviceType==VD_SPARE &&
1038 			pVDevice->u.disk.df_on_line &&
1039 			thiscap < maxcap &&
1040 			thiscap >= capacity)
1041 		{
1042 				maxcap = pVDevice->VDeviceCapacity;
1043 				pFind = pVDevice;
1044 		}
1045 	}
1046 	return pFind;
1047 }
1048 
1049 /******************************************************************
1050  * IO ATA Command
1051  *******************************************************************/
1052 int HPTLIBAPI
1053 fDeReadWrite(PDevice pDev, ULONG Lba, UCHAR Cmd, void *tmpBuffer)
1054 {
1055 	return mvReadWrite(pDev->mv, Lba, Cmd, tmpBuffer);
1056 }
1057 
1058 void HPTLIBAPI fDeSelectMode(PDevice pDev, UCHAR NewMode)
1059 {
1060 	MV_SATA_CHANNEL *pSataChannel = pDev->mv;
1061 	MV_SATA_ADAPTER *pSataAdapter = pSataChannel->mvSataAdapter;
1062 	MV_U8 channelIndex = pSataChannel->channelNumber;
1063 	UCHAR mvMode;
1064 	/* 508x don't use MW-DMA? */
1065 	if (NewMode>4 && NewMode<8) NewMode = 4;
1066 	pDev->bDeModeSetting = NewMode;
1067 	if (NewMode<=4)
1068 		mvMode = MV_ATA_TRANSFER_PIO_0 + NewMode;
1069 	else
1070 		mvMode = MV_ATA_TRANSFER_UDMA_0 + (NewMode-8);
1071 
1072 	/*To fix 88i8030 bug*/
1073 	if (mvMode > MV_ATA_TRANSFER_UDMA_0 && mvMode < MV_ATA_TRANSFER_UDMA_4)
1074 		mvMode = MV_ATA_TRANSFER_UDMA_0;
1075 
1076 	mvSataDisableChannelDma(pSataAdapter, channelIndex);
1077 	/* Flush pending commands */
1078 	mvSataFlushDmaQueue (pSataAdapter, channelIndex, MV_FLUSH_TYPE_NONE);
1079 
1080 	if (mvStorageDevATASetFeatures(pSataAdapter, channelIndex,
1081 								   MV_ATA_SET_FEATURES_TRANSFER,
1082 								   mvMode, 0, 0, 0) == MV_FALSE)
1083 	{
1084 		KdPrint(("channel %d: Set Features failed\n", channelIndex));
1085 	}
1086 	/* Enable EDMA */
1087 	if (mvSataEnableChannelDma(pSataAdapter, channelIndex) == MV_FALSE)
1088 		KdPrint(("Failed to enable DMA, channel=%d", channelIndex));
1089 }
1090 
1091 int HPTLIBAPI fDeSetTCQ(PDevice pDev, int enable, int depth)
1092 {
1093 	MV_SATA_CHANNEL *pSataChannel = pDev->mv;
1094 	MV_SATA_ADAPTER *pSataAdapter = pSataChannel->mvSataAdapter;
1095 	MV_U8 channelIndex = pSataChannel->channelNumber;
1096 	IAL_ADAPTER_T *pAdapter = pSataAdapter->IALData;
1097 	MV_CHANNEL		*channelInfo = &(pAdapter->mvChannel[channelIndex]);
1098 	int dmaActive = pSataChannel->queueCommandsEnabled;
1099 	int ret = 0;
1100 
1101 	if (dmaActive) {
1102 		mvSataDisableChannelDma(pSataAdapter, channelIndex);
1103 		mvSataFlushDmaQueue(pSataAdapter,channelIndex,MV_FLUSH_TYPE_CALLBACK);
1104 	}
1105 
1106 	if (enable) {
1107 		if (pSataChannel->queuedDMA == MV_EDMA_MODE_NOT_QUEUED &&
1108 			(pSataChannel->identifyDevice[IDEN_SUPPORTED_COMMANDS2] & (0x2))) {
1109 			UCHAR depth = ((pSataChannel->identifyDevice[IDEN_QUEUE_DEPTH]) & 0x1f) + 1;
1110 			channelInfo->queueDepth = (depth==32)? 31 : depth;
1111 			mvSataConfigEdmaMode(pSataAdapter, channelIndex, MV_EDMA_MODE_QUEUED, depth);
1112 			ret = 1;
1113 		}
1114 	}
1115 	else
1116 	{
1117 		if (pSataChannel->queuedDMA != MV_EDMA_MODE_NOT_QUEUED) {
1118 			channelInfo->queueDepth = 2;
1119 			mvSataConfigEdmaMode(pSataAdapter, channelIndex, MV_EDMA_MODE_NOT_QUEUED, 0);
1120 			ret = 1;
1121 		}
1122 	}
1123 
1124 	if (dmaActive)
1125 		mvSataEnableChannelDma(pSataAdapter,channelIndex);
1126 	return ret;
1127 }
1128 
1129 int HPTLIBAPI fDeSetNCQ(PDevice pDev, int enable, int depth)
1130 {
1131 	return 0;
1132 }
1133 
1134 int HPTLIBAPI fDeSetWriteCache(PDevice pDev, int enable)
1135 {
1136 	MV_SATA_CHANNEL *pSataChannel = pDev->mv;
1137 	MV_SATA_ADAPTER *pSataAdapter = pSataChannel->mvSataAdapter;
1138 	MV_U8 channelIndex = pSataChannel->channelNumber;
1139 	IAL_ADAPTER_T *pAdapter = pSataAdapter->IALData;
1140 	MV_CHANNEL		*channelInfo = &(pAdapter->mvChannel[channelIndex]);
1141 	int dmaActive = pSataChannel->queueCommandsEnabled;
1142 	int ret = 0;
1143 
1144 	if (dmaActive) {
1145 		mvSataDisableChannelDma(pSataAdapter, channelIndex);
1146 		mvSataFlushDmaQueue(pSataAdapter,channelIndex,MV_FLUSH_TYPE_CALLBACK);
1147 	}
1148 
1149 	if ((pSataChannel->identifyDevice[82] & (0x20))) {
1150 		if (enable) {
1151 			if (mvStorageDevATASetFeatures(pSataAdapter, channelIndex,
1152 				MV_ATA_SET_FEATURES_ENABLE_WCACHE, 0, 0, 0, 0))
1153 			{
1154 				channelInfo->writeCacheEnabled = MV_TRUE;
1155 				ret = 1;
1156 			}
1157 		}
1158 		else {
1159 			if (mvStorageDevATASetFeatures(pSataAdapter, channelIndex,
1160 				MV_ATA_SET_FEATURES_DISABLE_WCACHE, 0, 0, 0, 0))
1161 			{
1162 				channelInfo->writeCacheEnabled = MV_FALSE;
1163 				ret = 1;
1164 			}
1165 		}
1166 	}
1167 
1168 	if (dmaActive)
1169 		mvSataEnableChannelDma(pSataAdapter,channelIndex);
1170 	return ret;
1171 }
1172 
1173 int HPTLIBAPI fDeSetReadAhead(PDevice pDev, int enable)
1174 {
1175 	MV_SATA_CHANNEL *pSataChannel = pDev->mv;
1176 	MV_SATA_ADAPTER *pSataAdapter = pSataChannel->mvSataAdapter;
1177 	MV_U8 channelIndex = pSataChannel->channelNumber;
1178 	IAL_ADAPTER_T *pAdapter = pSataAdapter->IALData;
1179 	MV_CHANNEL		*channelInfo = &(pAdapter->mvChannel[channelIndex]);
1180 	int dmaActive = pSataChannel->queueCommandsEnabled;
1181 	int ret = 0;
1182 
1183 	if (dmaActive) {
1184 		mvSataDisableChannelDma(pSataAdapter, channelIndex);
1185 		mvSataFlushDmaQueue(pSataAdapter,channelIndex,MV_FLUSH_TYPE_CALLBACK);
1186 	}
1187 
1188 	if ((pSataChannel->identifyDevice[82] & (0x40))) {
1189 		if (enable) {
1190 			if (mvStorageDevATASetFeatures(pSataAdapter, channelIndex,
1191 				MV_ATA_SET_FEATURES_ENABLE_RLA, 0, 0, 0, 0))
1192 			{
1193 				channelInfo->readAheadEnabled = MV_TRUE;
1194 				ret = 1;
1195 			}
1196 		}
1197 		else {
1198 			if (mvStorageDevATASetFeatures(pSataAdapter, channelIndex,
1199 				MV_ATA_SET_FEATURES_DISABLE_RLA, 0, 0, 0, 0))
1200 			{
1201 				channelInfo->readAheadEnabled = MV_FALSE;
1202 				ret = 1;
1203 			}
1204 		}
1205 	}
1206 
1207 	if (dmaActive)
1208 		mvSataEnableChannelDma(pSataAdapter,channelIndex);
1209 	return ret;
1210 }
1211 
1212 #ifdef SUPPORT_ARRAY
1213 #define IdeRegisterVDevice  fCheckArray
1214 #else
1215 void
1216 IdeRegisterVDevice(PDevice pDev)
1217 {
1218 	PVDevice pVDev = Map2pVDevice(pDev);
1219 
1220 	pVDev->VDeviceType = pDev->df_atapi? VD_ATAPI :
1221 						 pDev->df_removable_drive? VD_REMOVABLE : VD_SINGLE_DISK;
1222 	pVDev->vf_online = 1;
1223 	pVDev->VDeviceCapacity = pDev->dDeRealCapacity;
1224 	pVDev->pfnSendCommand = pfnSendCommand[pVDev->VDeviceType];
1225 	pVDev->pfnDeviceFailed = pfnDeviceFailed[pVDev->VDeviceType];
1226 }
1227 #endif
1228 
1229 static __inline PBUS_DMAMAP
1230 dmamap_get(struct IALAdapter * pAdapter)
1231 {
1232 	PBUS_DMAMAP	p = pAdapter->pbus_dmamap_list;
1233 	if (p)
1234 		pAdapter->pbus_dmamap_list = p-> next;
1235 	return p;
1236 }
1237 
1238 static __inline void
1239 dmamap_put(PBUS_DMAMAP p)
1240 {
1241 	p->next = p->pAdapter->pbus_dmamap_list;
1242 	p->pAdapter->pbus_dmamap_list = p;
1243 }
1244 
1245 static int num_adapters = 0;
1246 static int
1247 init_adapter(IAL_ADAPTER_T *pAdapter)
1248 {
1249 	PVBus _vbus_p = &pAdapter->VBus;
1250 	MV_SATA_ADAPTER *pMvSataAdapter;
1251 	int i, channel, rid;
1252 
1253 	PVDevice pVDev;
1254 
1255 	mtx_init(&pAdapter->lock, "hptsleeplock", NULL, MTX_DEF);
1256 	callout_init_mtx(&pAdapter->event_timer_connect, &pAdapter->lock, 0);
1257 	callout_init_mtx(&pAdapter->event_timer_disconnect, &pAdapter->lock, 0);
1258 
1259 	sx_xlock(&hptmv_list_lock);
1260 	pAdapter->next = 0;
1261 
1262 	if(gIal_Adapter == NULL){
1263 		gIal_Adapter = pAdapter;
1264 		pCurAdapter = gIal_Adapter;
1265 	}
1266 	else {
1267 		pCurAdapter->next = pAdapter;
1268 		pCurAdapter = pAdapter;
1269 	}
1270 	sx_xunlock(&hptmv_list_lock);
1271 
1272 	pAdapter->outstandingCommands = 0;
1273 
1274 	pMvSataAdapter = &(pAdapter->mvSataAdapter);
1275 	_vbus_p->OsExt = (void *)pAdapter;
1276 	pMvSataAdapter->IALData = pAdapter;
1277 
1278 	if (bus_dma_tag_create(bus_get_dma_tag(pAdapter->hpt_dev),/* parent */
1279 			4,	/* alignment */
1280 			BUS_SPACE_MAXADDR_32BIT+1, /* boundary */
1281 			BUS_SPACE_MAXADDR,	/* lowaddr */
1282 			BUS_SPACE_MAXADDR,	/* highaddr */
1283 			NULL, NULL, 		/* filter, filterarg */
1284 			PAGE_SIZE * (MAX_SG_DESCRIPTORS-1), /* maxsize */
1285 			MAX_SG_DESCRIPTORS, /* nsegments */
1286 			0x10000,	/* maxsegsize */
1287 			BUS_DMA_WAITOK, 	/* flags */
1288 			busdma_lock_mutex,	/* lockfunc */
1289 			&pAdapter->lock,	/* lockfuncarg */
1290 			&pAdapter->io_dma_parent /* tag */))
1291 		{
1292 			return ENXIO;
1293 	}
1294 
1295 
1296 	if (hptmv_allocate_edma_queues(pAdapter))
1297 	{
1298 		MV_ERROR("RR18xx: Failed to allocate memory for EDMA queues\n");
1299 		return ENOMEM;
1300 	}
1301 
1302 	/* also map EPROM address */
1303 	rid = 0x10;
1304 	if (!(pAdapter->mem_res = bus_alloc_resource_any(pAdapter->hpt_dev,
1305 			SYS_RES_MEMORY, &rid, RF_ACTIVE))
1306 		||
1307 		!(pMvSataAdapter->adapterIoBaseAddress = rman_get_virtual(pAdapter->mem_res)))
1308 	{
1309 		MV_ERROR("RR18xx: Failed to remap memory space\n");
1310 		hptmv_free_edma_queues(pAdapter);
1311 		return ENXIO;
1312 	}
1313 	else
1314 	{
1315 		KdPrint(("RR18xx: io base address 0x%p\n", pMvSataAdapter->adapterIoBaseAddress));
1316 	}
1317 
1318 	pMvSataAdapter->adapterId = num_adapters++;
1319 	/* get the revision ID */
1320 	pMvSataAdapter->pciConfigRevisionId = pci_read_config(pAdapter->hpt_dev, PCIR_REVID, 1);
1321 	pMvSataAdapter->pciConfigDeviceId = pci_get_device(pAdapter->hpt_dev);
1322 
1323 	/* init RR18xx */
1324 	pMvSataAdapter->intCoalThre[0]= 1;
1325 	pMvSataAdapter->intCoalThre[1]= 1;
1326 	pMvSataAdapter->intTimeThre[0] = 1;
1327 	pMvSataAdapter->intTimeThre[1] = 1;
1328 	pMvSataAdapter->pciCommand = 0x0107E371;
1329 	pMvSataAdapter->pciSerrMask = 0xd77fe6ul;
1330 	pMvSataAdapter->pciInterruptMask = 0xd77fe6ul;
1331 	pMvSataAdapter->mvSataEventNotify = hptmv_event_notify;
1332 
1333 	if (mvSataInitAdapter(pMvSataAdapter) == MV_FALSE)
1334 	{
1335 		MV_ERROR("RR18xx[%d]: core failed to initialize the adapter\n",
1336 				 pMvSataAdapter->adapterId);
1337 unregister:
1338 		bus_release_resource(pAdapter->hpt_dev, SYS_RES_MEMORY, rid, pAdapter->mem_res);
1339 		hptmv_free_edma_queues(pAdapter);
1340 		return ENXIO;
1341 	}
1342 	pAdapter->ver_601 = pMvSataAdapter->pcbVersion;
1343 
1344 #ifndef FOR_DEMO
1345 	set_fail_leds(pMvSataAdapter, 0);
1346 #endif
1347 
1348 	/* setup command blocks */
1349 	KdPrint(("Allocate command blocks\n"));
1350 	_vbus_(pFreeCommands) = 0;
1351 	pAdapter->pCommandBlocks =
1352 		malloc(sizeof(struct _Command) * MAX_COMMAND_BLOCKS_FOR_EACH_VBUS, M_DEVBUF, M_NOWAIT);
1353 	KdPrint(("pCommandBlocks:%p\n",pAdapter->pCommandBlocks));
1354 	if (!pAdapter->pCommandBlocks) {
1355 		MV_ERROR("insufficient memory\n");
1356 		goto unregister;
1357 	}
1358 
1359 	for (i=0; i<MAX_COMMAND_BLOCKS_FOR_EACH_VBUS; i++) {
1360 		FreeCommand(_VBUS_P &(pAdapter->pCommandBlocks[i]));
1361 	}
1362 
1363 	/*Set up the bus_dmamap*/
1364 	pAdapter->pbus_dmamap = (PBUS_DMAMAP)malloc (sizeof(struct _BUS_DMAMAP) * MAX_QUEUE_COMM, M_DEVBUF, M_NOWAIT);
1365 	if(!pAdapter->pbus_dmamap) {
1366 		MV_ERROR("insufficient memory\n");
1367 		free(pAdapter->pCommandBlocks, M_DEVBUF);
1368 		goto unregister;
1369 	}
1370 
1371 	memset((void *)pAdapter->pbus_dmamap, 0, sizeof(struct _BUS_DMAMAP) * MAX_QUEUE_COMM);
1372 	pAdapter->pbus_dmamap_list = 0;
1373 	for (i=0; i < MAX_QUEUE_COMM; i++) {
1374 		PBUS_DMAMAP  pmap = &(pAdapter->pbus_dmamap[i]);
1375 		pmap->pAdapter = pAdapter;
1376 		dmamap_put(pmap);
1377 
1378 		if(bus_dmamap_create(pAdapter->io_dma_parent, 0, &pmap->dma_map)) {
1379 			MV_ERROR("Can not allocate dma map\n");
1380 			free(pAdapter->pCommandBlocks, M_DEVBUF);
1381 			free(pAdapter->pbus_dmamap, M_DEVBUF);
1382 			goto unregister;
1383 		}
1384 		callout_init_mtx(&pmap->timeout, &pAdapter->lock, 0);
1385 	}
1386 	/* setup PRD Tables */
1387 	KdPrint(("Allocate PRD Tables\n"));
1388 	pAdapter->pFreePRDLink = 0;
1389 
1390 	pAdapter->prdTableAddr = (PUCHAR)contigmalloc(
1391 		(PRD_ENTRIES_SIZE*PRD_TABLES_FOR_VBUS + 32), M_DEVBUF, M_NOWAIT, 0, 0xffffffff, PAGE_SIZE, 0ul);
1392 
1393 	KdPrint(("prdTableAddr:%p\n",pAdapter->prdTableAddr));
1394 	if (!pAdapter->prdTableAddr) {
1395 		MV_ERROR("insufficient PRD Tables\n");
1396 		goto unregister;
1397 	}
1398 	pAdapter->prdTableAlignedAddr = (PUCHAR)(((ULONG_PTR)pAdapter->prdTableAddr + 0x1f) & ~(ULONG_PTR)0x1fL);
1399 	{
1400 		PUCHAR PRDTable = pAdapter->prdTableAlignedAddr;
1401 		for (i=0; i<PRD_TABLES_FOR_VBUS; i++)
1402 		{
1403 /*			KdPrint(("i=%d,pAdapter->pFreePRDLink=%p\n",i,pAdapter->pFreePRDLink)); */
1404 			FreePRDTable(pAdapter, PRDTable);
1405 			PRDTable += PRD_ENTRIES_SIZE;
1406 		}
1407 	}
1408 
1409 	/* enable the adapter interrupts */
1410 
1411 	/* configure and start the connected channels*/
1412 	for (channel = 0; channel < MV_SATA_CHANNELS_NUM; channel++)
1413 	{
1414 		pAdapter->mvChannel[channel].online = MV_FALSE;
1415 		if (mvSataIsStorageDeviceConnected(pMvSataAdapter, channel)
1416 			== MV_TRUE)
1417 		{
1418 			KdPrint(("RR18xx[%d]: channel %d is connected\n",
1419 					  pMvSataAdapter->adapterId, channel));
1420 
1421 			if (hptmv_init_channel(pAdapter, channel) == 0)
1422 			{
1423 				if (mvSataConfigureChannel(pMvSataAdapter, channel) == MV_FALSE)
1424 				{
1425 					MV_ERROR("RR18xx[%d]: Failed to configure channel"
1426 							 " %d\n",pMvSataAdapter->adapterId, channel);
1427 					hptmv_free_channel(pAdapter, channel);
1428 				}
1429 				else
1430 				{
1431 					if (start_channel(pAdapter, channel))
1432 					{
1433 						MV_ERROR("RR18xx[%d]: Failed to start channel,"
1434 								 " channel=%d\n",pMvSataAdapter->adapterId,
1435 								 channel);
1436 						hptmv_free_channel(pAdapter, channel);
1437 					}
1438 					pAdapter->mvChannel[channel].online = MV_TRUE;
1439 					/*  mvSataChannelSetEdmaLoopBackMode(pMvSataAdapter,
1440 													   channel,
1441 													   MV_TRUE);*/
1442 				}
1443 			}
1444 		}
1445 		KdPrint(("pAdapter->mvChannel[channel].online:%x, channel:%d\n",
1446 			pAdapter->mvChannel[channel].online, channel));
1447 	}
1448 
1449 #ifdef SUPPORT_ARRAY
1450 	for(i = MAX_ARRAY_DEVICE - 1; i >= 0; i--) {
1451 		pVDev = ArrayTables(i);
1452 		mArFreeArrayTable(pVDev);
1453 	}
1454 #endif
1455 
1456 	KdPrint(("Initialize Devices\n"));
1457 	for (channel = 0; channel < MV_SATA_CHANNELS_NUM; channel++) {
1458 		MV_SATA_CHANNEL *pMvSataChannel = pMvSataAdapter->sataChannel[channel];
1459 		if (pMvSataChannel) {
1460 			init_vdev_params(pAdapter, channel);
1461 			IdeRegisterVDevice(&pAdapter->VDevices[channel].u.disk);
1462 		}
1463 	}
1464 #ifdef SUPPORT_ARRAY
1465 	CheckArrayCritical(_VBUS_P0);
1466 #endif
1467 	_vbus_p->nInstances = 1;
1468 	fRegisterVdevice(pAdapter);
1469 
1470 	for (channel=0;channel<MV_SATA_CHANNELS_NUM;channel++) {
1471 		pVDev = _vbus_p->pVDevice[channel];
1472 		if (pVDev && pVDev->vf_online)
1473 			fCheckBootable(pVDev);
1474 	}
1475 
1476 #if defined(SUPPORT_ARRAY) && defined(_RAID5N_)
1477 	init_raid5_memory(_VBUS_P0);
1478 	_vbus_(r5).enable_write_back = 1;
1479 	printf("RR18xx: RAID5 write-back %s\n", _vbus_(r5).enable_write_back? "enabled" : "disabled");
1480 #endif
1481 
1482 	mvSataUnmaskAdapterInterrupt(pMvSataAdapter);
1483 	return 0;
1484 }
1485 
1486 int
1487 MvSataResetChannel(MV_SATA_ADAPTER *pMvSataAdapter, MV_U8 channel)
1488 {
1489 	IAL_ADAPTER_T   *pAdapter = (IAL_ADAPTER_T *)pMvSataAdapter->IALData;
1490 
1491 	mvSataDisableChannelDma(pMvSataAdapter, channel);
1492 	/* Flush pending commands */
1493 	mvSataFlushDmaQueue (pMvSataAdapter, channel, MV_FLUSH_TYPE_CALLBACK);
1494 
1495 	/* Software reset channel */
1496 	if (mvStorageDevATASoftResetDevice(pMvSataAdapter, channel) == MV_FALSE)
1497 	{
1498 		MV_ERROR("RR18xx [%d,%d]: failed to perform Software reset\n",
1499 				 pMvSataAdapter->adapterId, channel);
1500 		hptmv_free_channel(pAdapter, channel);
1501 		return -1;
1502 	}
1503 
1504 	/* Hardware reset channel */
1505 	if (mvSataChannelHardReset(pMvSataAdapter, channel)== MV_FALSE)
1506 	{
1507 		MV_ERROR("RR18xx [%d,%d] Failed to Hard reser the SATA channel\n",
1508 				 pMvSataAdapter->adapterId, channel);
1509 		hptmv_free_channel(pAdapter, channel);
1510 		return -1;
1511 	}
1512 
1513 	if (mvSataIsStorageDeviceConnected(pMvSataAdapter, channel) == MV_FALSE)
1514 	{
1515 		 MV_ERROR("RR18xx [%d,%d] Failed to Connect Device\n",
1516 				 pMvSataAdapter->adapterId, channel);
1517 		hptmv_free_channel(pAdapter, channel);
1518 		return -1;
1519 	}else
1520 	{
1521 		MV_ERROR("channel %d: perform recalibrate command", channel);
1522 		if (!mvStorageDevATAExecuteNonUDMACommand(pMvSataAdapter, channel,
1523 								MV_NON_UDMA_PROTOCOL_NON_DATA,
1524 								MV_FALSE,
1525 								NULL,	 /* pBuffer*/
1526 								0,		 /* count  */
1527 								0,		/*features*/
1528 										/* sectorCount */
1529 								0,
1530 								0,	/* lbaLow */
1531 								0,	/* lbaMid */
1532 									/* lbaHigh */
1533 								0,
1534 								0,		/* device */
1535 										/* command */
1536 								0x10))
1537 			MV_ERROR("channel %d: recalibrate failed", channel);
1538 
1539 		/* Set transfer mode */
1540 		if((mvStorageDevATASetFeatures(pMvSataAdapter, channel,
1541 						MV_ATA_SET_FEATURES_TRANSFER,
1542 						MV_ATA_TRANSFER_PIO_SLOW, 0, 0, 0) == MV_FALSE) ||
1543 			(mvStorageDevATASetFeatures(pMvSataAdapter, channel,
1544 						MV_ATA_SET_FEATURES_TRANSFER,
1545 						pAdapter->mvChannel[channel].maxPioModeSupported, 0, 0, 0) == MV_FALSE) ||
1546 			(mvStorageDevATASetFeatures(pMvSataAdapter, channel,
1547 						MV_ATA_SET_FEATURES_TRANSFER,
1548 						pAdapter->mvChannel[channel].maxUltraDmaModeSupported, 0, 0, 0) == MV_FALSE) )
1549 		{
1550 			MV_ERROR("channel %d: Set Features failed", channel);
1551 			hptmv_free_channel(pAdapter, channel);
1552 			return -1;
1553 		}
1554 		/* Enable EDMA */
1555 		if (mvSataEnableChannelDma(pMvSataAdapter, channel) == MV_FALSE)
1556 		{
1557 			MV_ERROR("Failed to enable DMA, channel=%d", channel);
1558 			hptmv_free_channel(pAdapter, channel);
1559 			return -1;
1560 		}
1561 	}
1562 	return 0;
1563 }
1564 
1565 static int
1566 fResetActiveCommands(PVBus _vbus_p)
1567 {
1568 	MV_SATA_ADAPTER *pMvSataAdapter = &((IAL_ADAPTER_T *)_vbus_p->OsExt)->mvSataAdapter;
1569 	MV_U8 channel;
1570 	for (channel=0;channel< MV_SATA_CHANNELS_NUM;channel++) {
1571 		if (pMvSataAdapter->sataChannel[channel] && pMvSataAdapter->sataChannel[channel]->outstandingCommands)
1572 			MvSataResetChannel(pMvSataAdapter,channel);
1573 	}
1574 	return 0;
1575 }
1576 
1577 void fCompleteAllCommandsSynchronously(PVBus _vbus_p)
1578 {
1579 	UINT cont;
1580 	ULONG ticks = 0;
1581 	MV_U8 channel;
1582 	MV_SATA_ADAPTER *pMvSataAdapter = &((IAL_ADAPTER_T *)_vbus_p->OsExt)->mvSataAdapter;
1583 	MV_SATA_CHANNEL *pMvSataChannel;
1584 
1585 	do {
1586 check_cmds:
1587 		cont = 0;
1588 		CheckPendingCall(_VBUS_P0);
1589 #ifdef _RAID5N_
1590 		dataxfer_poll();
1591 		xor_poll();
1592 #endif
1593 		for (channel=0;channel< MV_SATA_CHANNELS_NUM;channel++) {
1594 			pMvSataChannel = pMvSataAdapter->sataChannel[channel];
1595 			if (pMvSataChannel && pMvSataChannel->outstandingCommands)
1596 			{
1597 				while (pMvSataChannel->outstandingCommands) {
1598 					if (!mvSataInterruptServiceRoutine(pMvSataAdapter)) {
1599 						StallExec(1000);
1600 						if (ticks++ > 3000) {
1601 							MvSataResetChannel(pMvSataAdapter,channel);
1602 							goto check_cmds;
1603 						}
1604 					}
1605 					else
1606 						ticks = 0;
1607 				}
1608 				cont = 1;
1609 			}
1610 		}
1611 	} while (cont);
1612 }
1613 
1614 void
1615 fResetVBus(_VBUS_ARG0)
1616 {
1617 	KdPrint(("fMvResetBus(%p)", _vbus_p));
1618 
1619 	/* some commands may already finished. */
1620 	CheckPendingCall(_VBUS_P0);
1621 
1622 	fResetActiveCommands(_vbus_p);
1623 	/*
1624 	 * the other pending commands may still be finished successfully.
1625 	 */
1626 	fCompleteAllCommandsSynchronously(_vbus_p);
1627 
1628 	/* Now there should be no pending commands. No more action needed. */
1629 	CheckIdleCall(_VBUS_P0);
1630 
1631 	KdPrint(("fMvResetBus() done"));
1632 }
1633 
1634 /*No rescan function*/
1635 void
1636 fRescanAllDevice(_VBUS_ARG0)
1637 {
1638 }
1639 
1640 static MV_BOOLEAN
1641 CommandCompletionCB(MV_SATA_ADAPTER *pMvSataAdapter,
1642 					MV_U8 channelNum,
1643 					MV_COMPLETION_TYPE comp_type,
1644 					MV_VOID_PTR commandId,
1645 					MV_U16 responseFlags,
1646 					MV_U32 timeStamp,
1647 					MV_STORAGE_DEVICE_REGISTERS *registerStruct)
1648 {
1649 	PCommand pCmd = (PCommand) commandId;
1650 	_VBUS_INST(pCmd->pVDevice->pVBus)
1651 
1652 	if (pCmd->uScratch.sata_param.prdAddr)
1653 		FreePRDTable(pMvSataAdapter->IALData,pCmd->uScratch.sata_param.prdAddr);
1654 
1655 	switch (comp_type)
1656 	{
1657 	case MV_COMPLETION_TYPE_NORMAL:
1658 		pCmd->Result = RETURN_SUCCESS;
1659 		break;
1660 	case MV_COMPLETION_TYPE_ABORT:
1661 		pCmd->Result = RETURN_BUS_RESET;
1662 		break;
1663 	case MV_COMPLETION_TYPE_ERROR:
1664 		 MV_ERROR("IAL: COMPLETION ERROR, adapter %d, channel %d, flags=%x\n",
1665 				 pMvSataAdapter->adapterId, channelNum, responseFlags);
1666 
1667 		if (responseFlags & 4) {
1668 			MV_ERROR("ATA regs: error %x, sector count %x, LBA low %x, LBA mid %x,"
1669 				" LBA high %x, device %x, status %x\n",
1670 				registerStruct->errorRegister,
1671 				registerStruct->sectorCountRegister,
1672 				registerStruct->lbaLowRegister,
1673 				registerStruct->lbaMidRegister,
1674 				registerStruct->lbaHighRegister,
1675 				registerStruct->deviceRegister,
1676 				registerStruct->statusRegister);
1677 		}
1678 		/*We can't do handleEdmaError directly here, because CommandCompletionCB is called by
1679 		 * mv's ISR, if we retry the command, than the internel data structure may be destroyed*/
1680 		pCmd->uScratch.sata_param.responseFlags = responseFlags;
1681 		pCmd->uScratch.sata_param.bIdeStatus = registerStruct->statusRegister;
1682 		pCmd->uScratch.sata_param.errorRegister = registerStruct->errorRegister;
1683 		pCmd->pVDevice->u.disk.QueueLength--;
1684 		CallAfterReturn(_VBUS_P (DPC_PROC)handleEdmaError,pCmd);
1685 		return TRUE;
1686 
1687 	default:
1688 		MV_ERROR(" Unknown completion type (%d)\n", comp_type);
1689 		return MV_FALSE;
1690 	}
1691 
1692 	if (pCmd->uCmd.Ide.Command == IDE_COMMAND_VERIFY && pCmd->uScratch.sata_param.cmd_priv > 1) {
1693 		pCmd->uScratch.sata_param.cmd_priv --;
1694 		return TRUE;
1695 	}
1696 	pCmd->pVDevice->u.disk.QueueLength--;
1697 	CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1698 	return TRUE;
1699 }
1700 
1701 void
1702 fDeviceSendCommand(_VBUS_ARG PCommand pCmd)
1703 {
1704 	MV_SATA_EDMA_PRD_ENTRY  *pPRDTable = 0;
1705 	MV_SATA_ADAPTER *pMvSataAdapter;
1706 	MV_SATA_CHANNEL *pMvSataChannel;
1707 	PVDevice pVDevice = pCmd->pVDevice;
1708 	PDevice  pDevice = &pVDevice->u.disk;
1709 	LBA_T    Lba = pCmd->uCmd.Ide.Lba;
1710 	USHORT   nSector = pCmd->uCmd.Ide.nSectors;
1711 
1712 	MV_QUEUE_COMMAND_RESULT result;
1713 	MV_QUEUE_COMMAND_INFO commandInfo;
1714 	MV_UDMA_COMMAND_PARAMS  *pUdmaParams = &commandInfo.commandParams.udmaCommand;
1715 	MV_NONE_UDMA_COMMAND_PARAMS *pNoUdmaParams = &commandInfo.commandParams.NoneUdmaCommand;
1716 
1717 	MV_BOOLEAN is48bit;
1718 	MV_U8      channel;
1719 	int        i=0;
1720 
1721 	DECLARE_BUFFER(FPSCAT_GATH, tmpSg);
1722 
1723 	if (!pDevice->df_on_line) {
1724 		MV_ERROR("Device is offline");
1725 		pCmd->Result = RETURN_BAD_DEVICE;
1726 		CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1727 		return;
1728 	}
1729 
1730 	pDevice->HeadPosition = pCmd->uCmd.Ide.Lba + pCmd->uCmd.Ide.nSectors;
1731 	pMvSataChannel = pDevice->mv;
1732 	pMvSataAdapter = pMvSataChannel->mvSataAdapter;
1733 	channel = pMvSataChannel->channelNumber;
1734 
1735 	/* old RAID0 has hidden lba. Remember to clear dDeHiddenLba when delete array! */
1736 	Lba += pDevice->dDeHiddenLba;
1737 	/* check LBA */
1738 	if (Lba+nSector-1 > pDevice->dDeRealCapacity) {
1739 		pCmd->Result = RETURN_INVALID_REQUEST;
1740 		CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1741 		return;
1742 	}
1743 
1744 	/*
1745 	 * always use 48bit LBA if drive supports it.
1746 	 * Some Seagate drives report error if you use a 28-bit command
1747 	 * to access sector 0xfffffff.
1748 	 */
1749 	is48bit = pMvSataChannel->lba48Address;
1750 
1751 	switch (pCmd->uCmd.Ide.Command)
1752 	{
1753 	case IDE_COMMAND_READ:
1754 	case IDE_COMMAND_WRITE:
1755 		if (pDevice->bDeModeSetting<8) goto pio;
1756 
1757 		commandInfo.type = MV_QUEUED_COMMAND_TYPE_UDMA;
1758 		pUdmaParams->isEXT = is48bit;
1759 		pUdmaParams->numOfSectors = nSector;
1760 		pUdmaParams->lowLBAAddress = Lba;
1761 		pUdmaParams->highLBAAddress = 0;
1762 		pUdmaParams->prdHighAddr = 0;
1763 		pUdmaParams->callBack = CommandCompletionCB;
1764 		pUdmaParams->commandId = (MV_VOID_PTR )pCmd;
1765 		if(pCmd->uCmd.Ide.Command == IDE_COMMAND_READ)
1766 			pUdmaParams->readWrite = MV_UDMA_TYPE_READ;
1767 		else
1768 			pUdmaParams->readWrite = MV_UDMA_TYPE_WRITE;
1769 
1770 		if (pCmd->pSgTable && pCmd->cf_physical_sg) {
1771 			FPSCAT_GATH sg1=tmpSg, sg2=pCmd->pSgTable;
1772 			do { *sg1++=*sg2; } while ((sg2++->wSgFlag & SG_FLAG_EOT)==0);
1773 		}
1774 		else {
1775 			if (!pCmd->pfnBuildSgl || !pCmd->pfnBuildSgl(_VBUS_P pCmd, tmpSg, 0)) {
1776 pio:
1777 				mvSataDisableChannelDma(pMvSataAdapter, channel);
1778 				mvSataFlushDmaQueue(pMvSataAdapter, channel, MV_FLUSH_TYPE_CALLBACK);
1779 
1780 				if (pCmd->pSgTable && pCmd->cf_physical_sg==0) {
1781 					FPSCAT_GATH sg1=tmpSg, sg2=pCmd->pSgTable;
1782 					do { *sg1++=*sg2; } while ((sg2++->wSgFlag & SG_FLAG_EOT)==0);
1783 				}
1784 				else {
1785 					if (!pCmd->pfnBuildSgl || !pCmd->pfnBuildSgl(_VBUS_P pCmd, tmpSg, 1)) {
1786 						pCmd->Result = RETURN_NEED_LOGICAL_SG;
1787 						goto finish_cmd;
1788 					}
1789 				}
1790 
1791 				do {
1792 					ULONG size = tmpSg->wSgSize? tmpSg->wSgSize : 0x10000;
1793 					ULONG_PTR addr = tmpSg->dSgAddress;
1794 					if (size & 0x1ff) {
1795 						pCmd->Result = RETURN_INVALID_REQUEST;
1796 						goto finish_cmd;
1797 					}
1798 					if (mvStorageDevATAExecuteNonUDMACommand(pMvSataAdapter, channel,
1799 						(pCmd->cf_data_out)?MV_NON_UDMA_PROTOCOL_PIO_DATA_OUT:MV_NON_UDMA_PROTOCOL_PIO_DATA_IN,
1800 						is48bit,
1801 						(MV_U16_PTR)addr,
1802 						size >> 1,	/* count       */
1803 						0,		/* features  N/A  */
1804 						(MV_U16)(size>>9),	/*sector count*/
1805 						(MV_U16)(  (is48bit? (MV_U16)((Lba >> 16) & 0xFF00) : 0 )  | (UCHAR)(Lba & 0xFF) ), /*lbalow*/
1806 						(MV_U16)((Lba >> 8) & 0xFF), /* lbaMid      */
1807 						(MV_U16)((Lba >> 16) & 0xFF),/* lbaHigh     */
1808 						(MV_U8)(0x40 | (is48bit ? 0 : (UCHAR)(Lba >> 24) & 0xFF )),/* device      */
1809 						(MV_U8)(is48bit ? (pCmd->cf_data_in?IDE_COMMAND_READ_EXT:IDE_COMMAND_WRITE_EXT):pCmd->uCmd.Ide.Command)
1810 					)==MV_FALSE)
1811 					{
1812 						pCmd->Result = RETURN_IDE_ERROR;
1813 						goto finish_cmd;
1814 					}
1815 					Lba += size>>9;
1816 					if(Lba & 0xF0000000) is48bit = MV_TRUE;
1817 				}
1818 				while ((tmpSg++->wSgFlag & SG_FLAG_EOT)==0);
1819 				pCmd->Result = RETURN_SUCCESS;
1820 finish_cmd:
1821 				mvSataEnableChannelDma(pMvSataAdapter,channel);
1822 				CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1823 				return;
1824 			}
1825 		}
1826 
1827 		pPRDTable = (MV_SATA_EDMA_PRD_ENTRY *) AllocatePRDTable(pMvSataAdapter->IALData);
1828 		KdPrint(("pPRDTable:%p\n",pPRDTable));
1829 		if (!pPRDTable) {
1830 			pCmd->Result = RETURN_DEVICE_BUSY;
1831 			CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1832 			HPT_ASSERT(0);
1833 			return;
1834 		}
1835 
1836 		do{
1837 			pPRDTable[i].highBaseAddr = (sizeof(tmpSg->dSgAddress)>4 ? (MV_U32)(tmpSg->dSgAddress>>32) : 0);
1838 			pPRDTable[i].flags = (MV_U16)tmpSg->wSgFlag;
1839 			pPRDTable[i].byteCount = (MV_U16)tmpSg->wSgSize;
1840 			pPRDTable[i].lowBaseAddr = (MV_U32)tmpSg->dSgAddress;
1841 			pPRDTable[i].reserved = 0;
1842 			i++;
1843 		}while((tmpSg++->wSgFlag & SG_FLAG_EOT)==0);
1844 
1845 		pUdmaParams->prdLowAddr = (ULONG)fOsPhysicalAddress(pPRDTable);
1846 		if ((pUdmaParams->numOfSectors == 256) && (pMvSataChannel->lba48Address == MV_FALSE)) {
1847 			pUdmaParams->numOfSectors = 0;
1848 		}
1849 
1850 		pCmd->uScratch.sata_param.prdAddr = (PVOID)pPRDTable;
1851 
1852 		result = mvSataQueueCommand(pMvSataAdapter, channel, &commandInfo);
1853 
1854 		if (result != MV_QUEUE_COMMAND_RESULT_OK)
1855 		{
1856 queue_failed:
1857 			switch (result)
1858 			{
1859 			case MV_QUEUE_COMMAND_RESULT_BAD_LBA_ADDRESS:
1860 				MV_ERROR("IAL Error: Edma Queue command failed. Bad LBA "
1861 						 "LBA[31:0](0x%08x)\n", pUdmaParams->lowLBAAddress);
1862 				pCmd->Result = RETURN_IDE_ERROR;
1863 				break;
1864 			case MV_QUEUE_COMMAND_RESULT_QUEUED_MODE_DISABLED:
1865 				MV_ERROR("IAL Error: Edma Queue command failed. EDMA"
1866 						 " disabled adapter %d channel %d\n",
1867 						 pMvSataAdapter->adapterId, channel);
1868 				mvSataEnableChannelDma(pMvSataAdapter,channel);
1869 				pCmd->Result = RETURN_IDE_ERROR;
1870 				break;
1871 			case MV_QUEUE_COMMAND_RESULT_FULL:
1872 				MV_ERROR("IAL Error: Edma Queue command failed. Queue is"
1873 						 " Full adapter %d channel %d\n",
1874 						 pMvSataAdapter->adapterId, channel);
1875 				pCmd->Result = RETURN_DEVICE_BUSY;
1876 				break;
1877 			case MV_QUEUE_COMMAND_RESULT_BAD_PARAMS:
1878 				MV_ERROR("IAL Error: Edma Queue command failed. (Bad "
1879 						 "Params), pMvSataAdapter: %p,  pSataChannel: %p.\n",
1880 						 pMvSataAdapter, pMvSataAdapter->sataChannel[channel]);
1881 				pCmd->Result = RETURN_IDE_ERROR;
1882 				break;
1883 			default:
1884 				MV_ERROR("IAL Error: Bad result value (%d) from queue"
1885 						 " command\n", result);
1886 				pCmd->Result = RETURN_IDE_ERROR;
1887 			}
1888 			if(pPRDTable)
1889 				FreePRDTable(pMvSataAdapter->IALData,pPRDTable);
1890 			CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1891 		}
1892 		pDevice->QueueLength++;
1893 		return;
1894 
1895 	case IDE_COMMAND_VERIFY:
1896 		commandInfo.type = MV_QUEUED_COMMAND_TYPE_NONE_UDMA;
1897 		pNoUdmaParams->bufPtr = NULL;
1898 		pNoUdmaParams->callBack = CommandCompletionCB;
1899 		pNoUdmaParams->commandId = (MV_VOID_PTR)pCmd;
1900 		pNoUdmaParams->count = 0;
1901 		pNoUdmaParams->features = 0;
1902 		pNoUdmaParams->protocolType = MV_NON_UDMA_PROTOCOL_NON_DATA;
1903 
1904 		pCmd->uScratch.sata_param.cmd_priv = 1;
1905 		if (pMvSataChannel->lba48Address == MV_TRUE){
1906 			pNoUdmaParams->command = MV_ATA_COMMAND_READ_VERIFY_SECTORS_EXT;
1907 			pNoUdmaParams->isEXT = MV_TRUE;
1908 			pNoUdmaParams->lbaHigh = (MV_U16)((Lba & 0xff0000) >> 16);
1909 			pNoUdmaParams->lbaMid = (MV_U16)((Lba & 0xff00) >> 8);
1910 			pNoUdmaParams->lbaLow =
1911 				(MV_U16)(((Lba & 0xff000000) >> 16)| (Lba & 0xff));
1912 			pNoUdmaParams->sectorCount = nSector;
1913 			pNoUdmaParams->device = 0x40;
1914 			result = mvSataQueueCommand(pMvSataAdapter, channel, &commandInfo);
1915 			if (result != MV_QUEUE_COMMAND_RESULT_OK){
1916 				goto queue_failed;
1917 			}
1918 			return;
1919 		}
1920 		else{
1921 			pNoUdmaParams->command = MV_ATA_COMMAND_READ_VERIFY_SECTORS;
1922 			pNoUdmaParams->isEXT = MV_FALSE;
1923 			pNoUdmaParams->lbaHigh = (MV_U16)((Lba & 0xff0000) >> 16);
1924 			pNoUdmaParams->lbaMid = (MV_U16)((Lba & 0xff00) >> 8);
1925 			pNoUdmaParams->lbaLow = (MV_U16)(Lba & 0xff);
1926 			pNoUdmaParams->sectorCount = 0xff & nSector;
1927 			pNoUdmaParams->device = (MV_U8)(0x40 |
1928 				((Lba & 0xf000000) >> 24));
1929 			pNoUdmaParams->callBack = CommandCompletionCB;
1930 			result = mvSataQueueCommand(pMvSataAdapter, channel, &commandInfo);
1931 			/*FIXME: how about the commands already queued? but marvel also forgets to consider this*/
1932 			if (result != MV_QUEUE_COMMAND_RESULT_OK){
1933 				goto queue_failed;
1934 			}
1935 		}
1936 		break;
1937 	default:
1938 		pCmd->Result = RETURN_INVALID_REQUEST;
1939 		CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1940 		break;
1941 	}
1942 }
1943 
1944 /**********************************************************
1945  *
1946  *	Probe the hostadapter.
1947  *
1948  **********************************************************/
1949 static int
1950 hpt_probe(device_t dev)
1951 {
1952 	if ((pci_get_vendor(dev) == MV_SATA_VENDOR_ID) &&
1953 		(pci_get_device(dev) == MV_SATA_DEVICE_ID_5081
1954 #ifdef FOR_DEMO
1955 		|| pci_get_device(dev) == MV_SATA_DEVICE_ID_5080
1956 #endif
1957 		))
1958 	{
1959 		KdPrintI((CONTROLLER_NAME " found\n"));
1960 		device_set_desc(dev, CONTROLLER_NAME);
1961 		return (BUS_PROBE_DEFAULT);
1962 	}
1963 	else
1964 		return(ENXIO);
1965 }
1966 
1967 /***********************************************************
1968  *
1969  *      Auto configuration:  attach and init a host adapter.
1970  *
1971  ***********************************************************/
1972 static int
1973 hpt_attach(device_t dev)
1974 {
1975 	IAL_ADAPTER_T * pAdapter = device_get_softc(dev);
1976 	int rid;
1977 	union ccb *ccb;
1978 	struct cam_devq *devq;
1979 	struct cam_sim *hpt_vsim;
1980 
1981 	device_printf(dev, "%s Version %s \n", DRIVER_NAME, DRIVER_VERSION);
1982 
1983 	pAdapter->hpt_dev = dev;
1984 
1985 	rid = init_adapter(pAdapter);
1986 	if (rid)
1987 		return rid;
1988 
1989 	rid = 0;
1990 	if ((pAdapter->hpt_irq = bus_alloc_resource_any(pAdapter->hpt_dev, SYS_RES_IRQ, &rid, RF_SHAREABLE | RF_ACTIVE)) == NULL)
1991 	{
1992 		hpt_printk(("can't allocate interrupt\n"));
1993 		return(ENXIO);
1994 	}
1995 
1996 	if (bus_setup_intr(pAdapter->hpt_dev, pAdapter->hpt_irq,
1997 				INTR_TYPE_CAM | INTR_MPSAFE,
1998 				NULL, hpt_intr, pAdapter, &pAdapter->hpt_intr))
1999 	{
2000 		hpt_printk(("can't set up interrupt\n"));
2001 		free(pAdapter, M_DEVBUF);
2002 		return(ENXIO);
2003 	}
2004 
2005 
2006 	ccb = xpt_alloc_ccb();
2007 	ccb->ccb_h.pinfo.priority = 1;
2008 	ccb->ccb_h.pinfo.index = CAM_UNQUEUED_INDEX;
2009 
2010 	/*
2011 	 * Create the device queue for our SIM(s).
2012 	 */
2013 	if((devq = cam_simq_alloc(8/*MAX_QUEUE_COMM*/)) == NULL)
2014 	{
2015 		KdPrint(("ENXIO\n"));
2016 		return ENOMEM;
2017 	}
2018 
2019 	/*
2020 	 * Construct our SIM entry
2021 	 */
2022 	hpt_vsim = cam_sim_alloc(hpt_action, hpt_poll, __str(PROC_DIR_NAME),
2023 			pAdapter, device_get_unit(pAdapter->hpt_dev),
2024 			&pAdapter->lock, 1, 8, devq);
2025 	if (hpt_vsim == NULL) {
2026 		cam_simq_free(devq);
2027 		return ENOMEM;
2028 	}
2029 
2030 	mtx_lock(&pAdapter->lock);
2031 	if (xpt_bus_register(hpt_vsim, dev, 0) != CAM_SUCCESS)
2032 	{
2033 		cam_sim_free(hpt_vsim, /*free devq*/ TRUE);
2034 		mtx_unlock(&pAdapter->lock);
2035 		hpt_vsim = NULL;
2036 		return ENXIO;
2037 	}
2038 
2039 	if(xpt_create_path(&pAdapter->path, /*periph */ NULL,
2040 			cam_sim_path(hpt_vsim), CAM_TARGET_WILDCARD,
2041 			CAM_LUN_WILDCARD) != CAM_REQ_CMP)
2042 	{
2043 		xpt_bus_deregister(cam_sim_path(hpt_vsim));
2044 		cam_sim_free(hpt_vsim, /*free_devq*/TRUE);
2045 		mtx_unlock(&pAdapter->lock);
2046 		hpt_vsim = NULL;
2047 		return ENXIO;
2048 	}
2049 	mtx_unlock(&pAdapter->lock);
2050 
2051 	xpt_setup_ccb(&(ccb->ccb_h), pAdapter->path, /*priority*/5);
2052 	ccb->ccb_h.func_code = XPT_SASYNC_CB;
2053 	ccb->csa.event_enable = AC_LOST_DEVICE;
2054 	ccb->csa.callback = hpt_async;
2055 	ccb->csa.callback_arg = hpt_vsim;
2056 	xpt_action((union ccb *)ccb);
2057 	xpt_free_ccb(ccb);
2058 
2059 	if (device_get_unit(dev) == 0) {
2060 		/* Start the work thread.  XXX */
2061 		launch_worker_thread();
2062 	}
2063 
2064 	return 0;
2065 }
2066 
2067 static int
2068 hpt_detach(device_t dev)
2069 {
2070 	return (EBUSY);
2071 }
2072 
2073 
2074 /***************************************************************
2075  * The poll function is used to simulate the interrupt when
2076  * the interrupt subsystem is not functioning.
2077  *
2078  ***************************************************************/
2079 static void
2080 hpt_poll(struct cam_sim *sim)
2081 {
2082 
2083 	hpt_intr_locked((void *)cam_sim_softc(sim));
2084 }
2085 
2086 /****************************************************************
2087  *	Name:	hpt_intr
2088  *	Description:	Interrupt handler.
2089  ****************************************************************/
2090 static void
2091 hpt_intr(void *arg)
2092 {
2093 	IAL_ADAPTER_T *pAdapter;
2094 
2095 	pAdapter = arg;
2096 	mtx_lock(&pAdapter->lock);
2097 	hpt_intr_locked(pAdapter);
2098 	mtx_unlock(&pAdapter->lock);
2099 }
2100 
2101 static void
2102 hpt_intr_locked(IAL_ADAPTER_T *pAdapter)
2103 {
2104 
2105 	mtx_assert(&pAdapter->lock, MA_OWNED);
2106 	/* KdPrintI(("----- Entering Isr() -----\n")); */
2107 	if (mvSataInterruptServiceRoutine(&pAdapter->mvSataAdapter) == MV_TRUE)
2108 	{
2109 		_VBUS_INST(&pAdapter->VBus)
2110 		CheckPendingCall(_VBUS_P0);
2111 	}
2112 
2113 	/* KdPrintI(("----- Leaving Isr() -----\n")); */
2114 }
2115 
2116 /**********************************************************
2117  * 			Asynchronous Events
2118  *********************************************************/
2119 #if (!defined(UNREFERENCED_PARAMETER))
2120 #define UNREFERENCED_PARAMETER(x) (void)(x)
2121 #endif
2122 
2123 static void
2124 hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path,
2125     void * arg)
2126 {
2127 	/* debug XXXX */
2128 	panic("Here");
2129 	UNREFERENCED_PARAMETER(callback_arg);
2130 	UNREFERENCED_PARAMETER(code);
2131 	UNREFERENCED_PARAMETER(path);
2132 	UNREFERENCED_PARAMETER(arg);
2133 
2134 }
2135 
2136 static void
2137 FlushAdapter(IAL_ADAPTER_T *pAdapter)
2138 {
2139 	int i;
2140 
2141 	hpt_printk(("flush all devices\n"));
2142 
2143 	/* flush all devices */
2144 	for (i=0; i<MAX_VDEVICE_PER_VBUS; i++) {
2145 		PVDevice pVDev = pAdapter->VBus.pVDevice[i];
2146 		if(pVDev) fFlushVDev(pVDev);
2147 	}
2148 }
2149 
2150 static int
2151 hpt_shutdown(device_t dev)
2152 {
2153 		IAL_ADAPTER_T *pAdapter;
2154 
2155 		pAdapter = device_get_softc(dev);
2156 
2157 		mtx_lock(&pAdapter->lock);
2158 		FlushAdapter(pAdapter);
2159 		mtx_unlock(&pAdapter->lock);
2160 		  /* give the flush some time to happen,
2161 		    *otherwise "shutdown -p now" will make file system corrupted */
2162 		DELAY(1000 * 1000 * 5);
2163 		return 0;
2164 }
2165 
2166 void
2167 Check_Idle_Call(IAL_ADAPTER_T *pAdapter)
2168 {
2169 	_VBUS_INST(&pAdapter->VBus)
2170 
2171 	if (mWaitingForIdle(_VBUS_P0)) {
2172 		CheckIdleCall(_VBUS_P0);
2173 #ifdef SUPPORT_ARRAY
2174 		{
2175 			int i;
2176 			PVDevice pArray;
2177 			for(i = 0; i < MAX_ARRAY_PER_VBUS; i++){
2178 				if ((pArray=ArrayTables(i))->u.array.dArStamp==0)
2179 					continue;
2180 				else if (pArray->u.array.rf_auto_rebuild) {
2181 						KdPrint(("auto rebuild.\n"));
2182 						pArray->u.array.rf_auto_rebuild = 0;
2183 						hpt_queue_dpc((HPT_DPC)hpt_rebuild_data_block, pAdapter, pArray, DUPLICATE);
2184 				}
2185 			}
2186 		}
2187 #endif
2188 	}
2189 	/* launch the awaiting commands blocked by mWaitingForIdle */
2190 	while(pAdapter->pending_Q!= NULL)
2191 	{
2192 		_VBUS_INST(&pAdapter->VBus)
2193 		union ccb *ccb = (union ccb *)pAdapter->pending_Q->ccb_h.ccb_ccb_ptr;
2194 		hpt_free_ccb(&pAdapter->pending_Q, ccb);
2195 		CallAfterReturn(_VBUS_P (DPC_PROC)OsSendCommand, ccb);
2196 	}
2197 }
2198 
2199 static void
2200 ccb_done(union ccb *ccb)
2201 {
2202 	PBUS_DMAMAP pmap = (PBUS_DMAMAP)ccb->ccb_adapter;
2203 	IAL_ADAPTER_T * pAdapter = pmap->pAdapter;
2204 	KdPrintI(("ccb_done: ccb %p status %x\n", ccb, ccb->ccb_h.status));
2205 
2206 	dmamap_put(pmap);
2207 	xpt_done(ccb);
2208 
2209 	pAdapter->outstandingCommands--;
2210 
2211 	if (pAdapter->outstandingCommands == 0)
2212 	{
2213 		if(DPC_Request_Nums == 0)
2214 			Check_Idle_Call(pAdapter);
2215 		wakeup(pAdapter);
2216 	}
2217 }
2218 
2219 /****************************************************************
2220  *	Name:	hpt_action
2221  *	Description:	Process a queued command from the CAM layer.
2222  *	Parameters:		sim - Pointer to SIM object
2223  *					ccb - Pointer to SCSI command structure.
2224  ****************************************************************/
2225 
2226 void
2227 hpt_action(struct cam_sim *sim, union ccb *ccb)
2228 {
2229 	IAL_ADAPTER_T * pAdapter = (IAL_ADAPTER_T *) cam_sim_softc(sim);
2230 	PBUS_DMAMAP  pmap;
2231 	_VBUS_INST(&pAdapter->VBus)
2232 
2233 	mtx_assert(&pAdapter->lock, MA_OWNED);
2234 	CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("hpt_action\n"));
2235 	KdPrint(("hpt_action(%lx,%lx{%x})\n", (u_long)sim, (u_long)ccb, ccb->ccb_h.func_code));
2236 
2237 	switch (ccb->ccb_h.func_code)
2238 	{
2239 		case XPT_SCSI_IO:	/* Execute the requested I/O operation */
2240 		{
2241 			/* ccb->ccb_h.path_id is not our bus id - don't check it */
2242 
2243 			if (ccb->ccb_h.target_lun)	{
2244 				ccb->ccb_h.status = CAM_LUN_INVALID;
2245 				xpt_done(ccb);
2246 				return;
2247 			}
2248 			if (ccb->ccb_h.target_id >= MAX_VDEVICE_PER_VBUS ||
2249 				pAdapter->VBus.pVDevice[ccb->ccb_h.target_id]==0) {
2250 				ccb->ccb_h.status = CAM_TID_INVALID;
2251 				xpt_done(ccb);
2252 				return;
2253 			}
2254 
2255 			if (pAdapter->outstandingCommands==0 && DPC_Request_Nums==0)
2256 				Check_Idle_Call(pAdapter);
2257 
2258 			pmap = dmamap_get(pAdapter);
2259 			HPT_ASSERT(pmap);
2260 			ccb->ccb_adapter = pmap;
2261 			memset((void *)pmap->psg, 0,  sizeof(pmap->psg));
2262 
2263 			if (mWaitingForIdle(_VBUS_P0))
2264 				hpt_queue_ccb(&pAdapter->pending_Q, ccb);
2265 			else
2266 				OsSendCommand(_VBUS_P ccb);
2267 
2268 			/* KdPrint(("leave scsiio\n")); */
2269 			break;
2270 		}
2271 
2272 		case XPT_RESET_BUS:
2273 			KdPrint(("reset bus\n"));
2274 			fResetVBus(_VBUS_P0);
2275 			xpt_done(ccb);
2276 			break;
2277 
2278 		case XPT_RESET_DEV:	/* Bus Device Reset the specified SCSI device */
2279 		case XPT_ABORT:			/* Abort the specified CCB */
2280 		case XPT_TERM_IO:		/* Terminate the I/O process */
2281 			/* XXX Implement */
2282 			ccb->ccb_h.status = CAM_REQ_INVALID;
2283 			xpt_done(ccb);
2284 			break;
2285 
2286 		case XPT_GET_TRAN_SETTINGS:
2287 		case XPT_SET_TRAN_SETTINGS:
2288 			/* XXX Implement */
2289 			ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
2290 			xpt_done(ccb);
2291 			break;
2292 
2293 		case XPT_CALC_GEOMETRY:
2294 			cam_calc_geometry(&ccb->ccg, 1);
2295 			xpt_done(ccb);
2296 			break;
2297 
2298 		case XPT_PATH_INQ:		/* Path routing inquiry */
2299 		{
2300 			struct ccb_pathinq *cpi = &ccb->cpi;
2301 
2302 			cpi->version_num = 1; /* XXX??? */
2303 			cpi->hba_inquiry = PI_SDTR_ABLE;
2304 			cpi->target_sprt = 0;
2305 			/* Not necessary to reset bus */
2306 			cpi->hba_misc = PIM_NOBUSRESET;
2307 			cpi->hba_eng_cnt = 0;
2308 
2309 			cpi->max_target = MAX_VDEVICE_PER_VBUS;
2310 			cpi->max_lun = 0;
2311 			cpi->initiator_id = MAX_VDEVICE_PER_VBUS;
2312 
2313 			cpi->bus_id = cam_sim_bus(sim);
2314 			cpi->base_transfer_speed = 3300;
2315 			strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
2316 			strlcpy(cpi->hba_vid, "HPT   ", HBA_IDLEN);
2317 			strlcpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
2318 			cpi->unit_number = cam_sim_unit(sim);
2319 			cpi->transport = XPORT_SPI;
2320 			cpi->transport_version = 2;
2321 			cpi->protocol = PROTO_SCSI;
2322 			cpi->protocol_version = SCSI_REV_2;
2323 			cpi->ccb_h.status = CAM_REQ_CMP;
2324 			xpt_done(ccb);
2325 			break;
2326 		}
2327 
2328 		default:
2329 			KdPrint(("invalid cmd\n"));
2330 			ccb->ccb_h.status = CAM_REQ_INVALID;
2331 			xpt_done(ccb);
2332 			break;
2333 	}
2334 	/* KdPrint(("leave hpt_action..............\n")); */
2335 }
2336 
2337 /* shall be called at lock_driver() */
2338 static void
2339 hpt_queue_ccb(union ccb **ccb_Q, union ccb *ccb)
2340 {
2341 	if(*ccb_Q == NULL)
2342 		ccb->ccb_h.ccb_ccb_ptr = ccb;
2343 	else {
2344 		ccb->ccb_h.ccb_ccb_ptr = (*ccb_Q)->ccb_h.ccb_ccb_ptr;
2345 		(*ccb_Q)->ccb_h.ccb_ccb_ptr = (char *)ccb;
2346 	}
2347 
2348 	*ccb_Q = ccb;
2349 }
2350 
2351 /* shall be called at lock_driver() */
2352 static void
2353 hpt_free_ccb(union ccb **ccb_Q, union ccb *ccb)
2354 {
2355 	union ccb *TempCCB;
2356 
2357 	TempCCB = *ccb_Q;
2358 
2359 	if(ccb->ccb_h.ccb_ccb_ptr == ccb) /*it means SCpnt is the last one in CURRCMDs*/
2360 		*ccb_Q = NULL;
2361 	else {
2362 		while(TempCCB->ccb_h.ccb_ccb_ptr != (char *)ccb)
2363 			TempCCB = (union ccb *)TempCCB->ccb_h.ccb_ccb_ptr;
2364 
2365 		TempCCB->ccb_h.ccb_ccb_ptr = ccb->ccb_h.ccb_ccb_ptr;
2366 
2367 		if(*ccb_Q == ccb)
2368 			*ccb_Q = TempCCB;
2369 	}
2370 }
2371 
2372 #ifdef SUPPORT_ARRAY
2373 /***************************************************************************
2374  * Function:     hpt_worker_thread
2375  * Description:  Do background rebuilding. Execute in kernel thread context.
2376  * Returns:      None
2377  ***************************************************************************/
2378 static void hpt_worker_thread(void)
2379 {
2380 
2381 	for(;;)	{
2382 		mtx_lock(&DpcQueue_Lock);
2383 		while (DpcQueue_First!=DpcQueue_Last) {
2384 			ST_HPT_DPC p;
2385 			p = DpcQueue[DpcQueue_First];
2386 			DpcQueue_First++;
2387 			DpcQueue_First %= MAX_DPC;
2388 			DPC_Request_Nums++;
2389 			mtx_unlock(&DpcQueue_Lock);
2390 			p.dpc(p.pAdapter, p.arg, p.flags);
2391 
2392 			mtx_lock(&p.pAdapter->lock);
2393 			mtx_lock(&DpcQueue_Lock);
2394 			DPC_Request_Nums--;
2395 			/* since we may have prevented Check_Idle_Call, do it here */
2396 			if (DPC_Request_Nums==0) {
2397 				if (p.pAdapter->outstandingCommands == 0) {
2398 					_VBUS_INST(&p.pAdapter->VBus);
2399 					Check_Idle_Call(p.pAdapter);
2400 					CheckPendingCall(_VBUS_P0);
2401 				}
2402 			}
2403 			mtx_unlock(&p.pAdapter->lock);
2404 			mtx_unlock(&DpcQueue_Lock);
2405 
2406 			/*Schedule out*/
2407 			if (SIGISMEMBER(curproc->p_siglist, SIGSTOP)) {
2408 				/* abort rebuilding process. */
2409 				IAL_ADAPTER_T *pAdapter;
2410 				PVDevice      pArray;
2411 				PVBus         _vbus_p;
2412 				int i;
2413 
2414 				sx_slock(&hptmv_list_lock);
2415 				pAdapter = gIal_Adapter;
2416 
2417 				while(pAdapter != NULL){
2418 					mtx_lock(&pAdapter->lock);
2419 					_vbus_p = &pAdapter->VBus;
2420 
2421 					for (i=0;i<MAX_ARRAY_PER_VBUS;i++)
2422 					{
2423 						if ((pArray=ArrayTables(i))->u.array.dArStamp==0)
2424 							continue;
2425 						else if (pArray->u.array.rf_rebuilding ||
2426 								pArray->u.array.rf_verifying ||
2427 								pArray->u.array.rf_initializing)
2428 							{
2429 								pArray->u.array.rf_abort_rebuild = 1;
2430 							}
2431 					}
2432 					mtx_unlock(&pAdapter->lock);
2433 					pAdapter = pAdapter->next;
2434 				}
2435 				sx_sunlock(&hptmv_list_lock);
2436 			}
2437 			mtx_lock(&DpcQueue_Lock);
2438 		}
2439 		mtx_unlock(&DpcQueue_Lock);
2440 
2441 /*Remove this debug option*/
2442 /*
2443 #ifdef DEBUG
2444 		if (SIGISMEMBER(curproc->p_siglist, SIGSTOP))
2445 			pause("hptrdy", 2*hz);
2446 #endif
2447 */
2448 		kproc_suspend_check(curproc);
2449 		pause("-", 2*hz);  /* wait for something to do */
2450 	}
2451 }
2452 
2453 static struct proc *hptdaemonproc;
2454 static struct kproc_desc hpt_kp = {
2455 	"hpt_wt",
2456 	hpt_worker_thread,
2457 	&hptdaemonproc
2458 };
2459 
2460 /*Start this thread in the hpt_attach, to prevent kernel from loading it without our controller.*/
2461 static void
2462 launch_worker_thread(void)
2463 {
2464 	IAL_ADAPTER_T *pAdapTemp;
2465 
2466 	kproc_start(&hpt_kp);
2467 
2468 	sx_slock(&hptmv_list_lock);
2469 	for (pAdapTemp = gIal_Adapter; pAdapTemp; pAdapTemp = pAdapTemp->next) {
2470 
2471 		_VBUS_INST(&pAdapTemp->VBus)
2472 		int i;
2473 		PVDevice pVDev;
2474 
2475 		for(i = 0; i < MAX_ARRAY_PER_VBUS; i++)
2476 			if ((pVDev=ArrayTables(i))->u.array.dArStamp==0)
2477 				continue;
2478 			else{
2479 				if (pVDev->u.array.rf_need_rebuild && !pVDev->u.array.rf_rebuilding)
2480 					hpt_queue_dpc((HPT_DPC)hpt_rebuild_data_block, pAdapTemp, pVDev,
2481 					(UCHAR)((pVDev->u.array.CriticalMembers || pVDev->VDeviceType == VD_RAID_1)? DUPLICATE : REBUILD_PARITY));
2482 			}
2483 	}
2484 	sx_sunlock(&hptmv_list_lock);
2485 
2486 	/*
2487 	 * hpt_worker_thread needs to be suspended after shutdown sync, when fs sync finished.
2488 	 */
2489 	EVENTHANDLER_REGISTER(shutdown_post_sync, kproc_shutdown, hptdaemonproc,
2490 	    SHUTDOWN_PRI_LAST);
2491 }
2492 /*
2493  *SYSINIT(hptwt, SI_SUB_KTHREAD_IDLE, SI_ORDER_FIRST, launch_worker_thread, NULL);
2494 */
2495 
2496 #endif
2497 
2498 /********************************************************************************/
2499 
2500 int HPTLIBAPI fOsBuildSgl(_VBUS_ARG PCommand pCmd, FPSCAT_GATH pSg, int logical)
2501 {
2502 	union ccb *ccb = (union ccb *)pCmd->pOrgCommand;
2503 
2504 	if (logical) {
2505 		pSg->dSgAddress = (ULONG_PTR)(UCHAR *)ccb->csio.data_ptr;
2506 		pSg->wSgSize = ccb->csio.dxfer_len;
2507 		pSg->wSgFlag = SG_FLAG_EOT;
2508 		return TRUE;
2509 	}
2510 	/* since we have provided physical sg, nobody will ask us to build physical sg */
2511 	HPT_ASSERT(0);
2512 	return FALSE;
2513 }
2514 
2515 /*******************************************************************************/
2516 ULONG HPTLIBAPI
2517 GetStamp(void)
2518 {
2519 	/*
2520 	 * the system variable, ticks, can't be used since it hasn't yet been active
2521 	 * when our driver starts (ticks==0, it's a invalid stamp value)
2522 	 */
2523 	ULONG stamp;
2524 	do { stamp = random(); } while (stamp==0);
2525 	return stamp;
2526 }
2527 
2528 
2529 static void
2530 SetInquiryData(PINQUIRYDATA inquiryData, PVDevice pVDev)
2531 {
2532 	int i;
2533 	IDENTIFY_DATA2 *pIdentify = (IDENTIFY_DATA2*)pVDev->u.disk.mv->identifyDevice;
2534 
2535 	inquiryData->DeviceType = T_DIRECT; /*DIRECT_ACCESS_DEVICE*/
2536 	inquiryData->AdditionalLength = (UCHAR)(sizeof(INQUIRYDATA) - 5);
2537 #ifndef SERIAL_CMDS
2538 	inquiryData->CommandQueue = 1;
2539 #endif
2540 
2541 	switch(pVDev->VDeviceType) {
2542 	case VD_SINGLE_DISK:
2543 	case VD_ATAPI:
2544 	case VD_REMOVABLE:
2545 		/* Set the removable bit, if applicable. */
2546 		if ((pVDev->u.disk.df_removable_drive) || (pIdentify->GeneralConfiguration & 0x80))
2547 			inquiryData->RemovableMedia = 1;
2548 
2549 		/* Fill in vendor identification fields. */
2550 		for (i = 0; i < 20; i += 2) {
2551 			inquiryData->VendorId[i] 	= ((PUCHAR)pIdentify->ModelNumber)[i + 1];
2552 			inquiryData->VendorId[i+1] 	= ((PUCHAR)pIdentify->ModelNumber)[i];
2553 
2554 		}
2555 
2556 		/* Initialize unused portion of product id. */
2557 		for (i = 0; i < 4; i++) inquiryData->ProductId[12+i] = ' ';
2558 
2559 		/* firmware revision */
2560 		for (i = 0; i < 4; i += 2)
2561 		{
2562 			inquiryData->ProductRevisionLevel[i] 	= ((PUCHAR)pIdentify->FirmwareRevision)[i+1];
2563 			inquiryData->ProductRevisionLevel[i+1] 	= ((PUCHAR)pIdentify->FirmwareRevision)[i];
2564 		}
2565 		break;
2566 	default:
2567 		memcpy(&inquiryData->VendorId, "RR18xx  ", 8);
2568 #ifdef SUPPORT_ARRAY
2569 		switch(pVDev->VDeviceType){
2570 		case VD_RAID_0:
2571 			if ((pVDev->u.array.pMember[0] && mIsArray(pVDev->u.array.pMember[0])) ||
2572 				(pVDev->u.array.pMember[1] && mIsArray(pVDev->u.array.pMember[1])))
2573 				memcpy(&inquiryData->ProductId, "RAID 1/0 Array  ", 16);
2574 			else
2575 				memcpy(&inquiryData->ProductId, "RAID 0 Array    ", 16);
2576 			break;
2577 		case VD_RAID_1:
2578 			if ((pVDev->u.array.pMember[0] && mIsArray(pVDev->u.array.pMember[0])) ||
2579 				(pVDev->u.array.pMember[1] && mIsArray(pVDev->u.array.pMember[1])))
2580 				memcpy(&inquiryData->ProductId, "RAID 0/1 Array  ", 16);
2581 			else
2582 				memcpy(&inquiryData->ProductId, "RAID 1 Array    ", 16);
2583 			break;
2584 		case VD_RAID_5:
2585 			memcpy(&inquiryData->ProductId, "RAID 5 Array    ", 16);
2586 			break;
2587 		case VD_JBOD:
2588 			memcpy(&inquiryData->ProductId, "JBOD Array      ", 16);
2589 			break;
2590 		}
2591 #endif
2592 		memcpy(&inquiryData->ProductRevisionLevel, "3.00", 4);
2593 		break;
2594 	}
2595 }
2596 
2597 static void
2598 hpt_timeout(void *arg)
2599 {
2600 	PBUS_DMAMAP pmap = (PBUS_DMAMAP)((union ccb *)arg)->ccb_adapter;
2601 	IAL_ADAPTER_T *pAdapter = pmap->pAdapter;
2602 	_VBUS_INST(&pAdapter->VBus)
2603 
2604 	mtx_assert(&pAdapter->lock, MA_OWNED);
2605 	fResetVBus(_VBUS_P0);
2606 }
2607 
2608 static void
2609 hpt_io_dmamap_callback(void *arg, bus_dma_segment_t *segs, int nsegs, int error)
2610 {
2611 	PCommand pCmd = (PCommand)arg;
2612 	union ccb *ccb = pCmd->pOrgCommand;
2613 	struct ccb_hdr *ccb_h = &ccb->ccb_h;
2614 	PBUS_DMAMAP pmap = (PBUS_DMAMAP) ccb->ccb_adapter;
2615 	IAL_ADAPTER_T *pAdapter = pmap->pAdapter;
2616 	PVDevice	pVDev = pAdapter->VBus.pVDevice[ccb_h->target_id];
2617 	FPSCAT_GATH psg = pCmd->pSgTable;
2618 	int idx;
2619 	_VBUS_INST(pVDev->pVBus)
2620 
2621 	HPT_ASSERT(pCmd->cf_physical_sg);
2622 
2623 	if (error)
2624 		panic("busdma error");
2625 
2626 	HPT_ASSERT(nsegs<= MAX_SG_DESCRIPTORS);
2627 
2628 	if (nsegs != 0) {
2629 		for (idx = 0; idx < nsegs; idx++, psg++) {
2630 			psg->dSgAddress = (ULONG_PTR)(UCHAR *)segs[idx].ds_addr;
2631 			psg->wSgSize = segs[idx].ds_len;
2632 			psg->wSgFlag = (idx == nsegs-1)? SG_FLAG_EOT: 0;
2633 	/*		KdPrint(("psg[%d]:add=%p,size=%x,flag=%x\n", idx, psg->dSgAddress,psg->wSgSize,psg->wSgFlag)); */
2634 		}
2635 		/*	psg[-1].wSgFlag = SG_FLAG_EOT; */
2636 
2637 		if (pCmd->cf_data_in) {
2638 			bus_dmamap_sync(pAdapter->io_dma_parent, pmap->dma_map,
2639 			    BUS_DMASYNC_PREREAD);
2640 		}
2641 		else if (pCmd->cf_data_out) {
2642 			bus_dmamap_sync(pAdapter->io_dma_parent, pmap->dma_map,
2643 			    BUS_DMASYNC_PREWRITE);
2644 		}
2645 	}
2646 
2647 	callout_reset(&pmap->timeout, 20 * hz, hpt_timeout, ccb);
2648 	pVDev->pfnSendCommand(_VBUS_P pCmd);
2649 	CheckPendingCall(_VBUS_P0);
2650 }
2651 
2652 
2653 
2654 static void HPTLIBAPI
2655 OsSendCommand(_VBUS_ARG union ccb *ccb)
2656 {
2657 	PBUS_DMAMAP pmap = (PBUS_DMAMAP)ccb->ccb_adapter;
2658 	IAL_ADAPTER_T *pAdapter = pmap->pAdapter;
2659 	struct ccb_hdr *ccb_h = &ccb->ccb_h;
2660 	struct ccb_scsiio *csio = &ccb->csio;
2661 	PVDevice	pVDev = pAdapter->VBus.pVDevice[ccb_h->target_id];
2662 
2663 	KdPrintI(("OsSendCommand: ccb %p  cdb %x-%x-%x\n",
2664 		ccb,
2665 		*(ULONG *)&ccb->csio.cdb_io.cdb_bytes[0],
2666 		*(ULONG *)&ccb->csio.cdb_io.cdb_bytes[4],
2667 		*(ULONG *)&ccb->csio.cdb_io.cdb_bytes[8]
2668 	));
2669 
2670 	pAdapter->outstandingCommands++;
2671 
2672 	if (pVDev == NULL || pVDev->vf_online == 0) {
2673 		ccb->ccb_h.status = CAM_REQ_INVALID;
2674 		ccb_done(ccb);
2675 		goto Command_Complished;
2676 	}
2677 
2678 	switch(ccb->csio.cdb_io.cdb_bytes[0])
2679 	{
2680 		case TEST_UNIT_READY:
2681 		case START_STOP_UNIT:
2682 		case SYNCHRONIZE_CACHE:
2683 			/* FALLTHROUGH */
2684 			ccb->ccb_h.status = CAM_REQ_CMP;
2685 			break;
2686 
2687 		case INQUIRY:
2688 			ZeroMemory(ccb->csio.data_ptr, ccb->csio.dxfer_len);
2689 			SetInquiryData((PINQUIRYDATA)ccb->csio.data_ptr, pVDev);
2690 			ccb_h->status = CAM_REQ_CMP;
2691 			break;
2692 
2693 		case READ_CAPACITY:
2694 		{
2695 			UCHAR *rbuf=csio->data_ptr;
2696 			unsigned int cap;
2697 
2698 			if (pVDev->VDeviceCapacity > 0xfffffffful) {
2699 				cap = 0xfffffffful;
2700 			} else {
2701 				cap = pVDev->VDeviceCapacity - 1;
2702 			}
2703 
2704 			rbuf[0] = (UCHAR)(cap>>24);
2705 			rbuf[1] = (UCHAR)(cap>>16);
2706 			rbuf[2] = (UCHAR)(cap>>8);
2707 			rbuf[3] = (UCHAR)cap;
2708 			/* Claim 512 byte blocks (big-endian). */
2709 			rbuf[4] = 0;
2710 			rbuf[5] = 0;
2711 			rbuf[6] = 2;
2712 			rbuf[7] = 0;
2713 
2714 			ccb_h->status = CAM_REQ_CMP;
2715 			break;
2716 		}
2717 
2718 		case 0x9e: /*SERVICE_ACTION_IN*/
2719 		{
2720 			UCHAR *rbuf = csio->data_ptr;
2721 			LBA_T cap = pVDev->VDeviceCapacity - 1;
2722 
2723 			rbuf[0] = (UCHAR)(cap>>56);
2724 			rbuf[1] = (UCHAR)(cap>>48);
2725 			rbuf[2] = (UCHAR)(cap>>40);
2726 			rbuf[3] = (UCHAR)(cap>>32);
2727 			rbuf[4] = (UCHAR)(cap>>24);
2728 			rbuf[5] = (UCHAR)(cap>>16);
2729 			rbuf[6] = (UCHAR)(cap>>8);
2730 			rbuf[7] = (UCHAR)cap;
2731 			rbuf[8] = 0;
2732 			rbuf[9] = 0;
2733 			rbuf[10] = 2;
2734 			rbuf[11] = 0;
2735 
2736 			ccb_h->status = CAM_REQ_CMP;
2737 			break;
2738 		}
2739 
2740 		case READ_6:
2741 		case WRITE_6:
2742 		case READ_10:
2743 		case WRITE_10:
2744 		case 0x88: /* READ_16 */
2745 		case 0x8a: /* WRITE_16 */
2746 		case 0x13:
2747 		case 0x2f:
2748 		{
2749 			UCHAR Cdb[16];
2750 			UCHAR CdbLength;
2751 			_VBUS_INST(pVDev->pVBus)
2752 			PCommand pCmd = AllocateCommand(_VBUS_P0);
2753 			int error;
2754 			HPT_ASSERT(pCmd);
2755 
2756 			CdbLength = csio->cdb_len;
2757 			if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0)
2758 			{
2759 				if ((ccb->ccb_h.flags & CAM_CDB_PHYS) == 0)
2760 				{
2761 					bcopy(csio->cdb_io.cdb_ptr, Cdb, CdbLength);
2762 				}
2763 				else
2764 				{
2765 					KdPrintE(("ERROR!!!\n"));
2766 					ccb->ccb_h.status = CAM_REQ_INVALID;
2767 					break;
2768 				}
2769 			}
2770 			else
2771 			{
2772 				bcopy(csio->cdb_io.cdb_bytes, Cdb, CdbLength);
2773 			}
2774 
2775 			pCmd->pOrgCommand = ccb;
2776 			pCmd->pVDevice = pVDev;
2777 			pCmd->pfnCompletion = fOsCommandDone;
2778 			pCmd->pfnBuildSgl = fOsBuildSgl;
2779 			pCmd->pSgTable = pmap->psg;
2780 
2781 			switch (Cdb[0])
2782 			{
2783 				case READ_6:
2784 				case WRITE_6:
2785 				case 0x13:
2786 					pCmd->uCmd.Ide.Lba =  ((ULONG)Cdb[1] << 16) | ((ULONG)Cdb[2] << 8) | (ULONG)Cdb[3];
2787 					pCmd->uCmd.Ide.nSectors = (USHORT) Cdb[4];
2788 					break;
2789 
2790 				case 0x88: /* READ_16 */
2791 				case 0x8a: /* WRITE_16 */
2792 					pCmd->uCmd.Ide.Lba =
2793 						(HPT_U64)Cdb[2] << 56 |
2794 						(HPT_U64)Cdb[3] << 48 |
2795 						(HPT_U64)Cdb[4] << 40 |
2796 						(HPT_U64)Cdb[5] << 32 |
2797 						(HPT_U64)Cdb[6] << 24 |
2798 						(HPT_U64)Cdb[7] << 16 |
2799 						(HPT_U64)Cdb[8] << 8 |
2800 						(HPT_U64)Cdb[9];
2801 					pCmd->uCmd.Ide.nSectors = (USHORT)Cdb[12] << 8 | (USHORT)Cdb[13];
2802 					break;
2803 
2804 				default:
2805 					pCmd->uCmd.Ide.Lba = (ULONG)Cdb[5] | ((ULONG)Cdb[4] << 8) | ((ULONG)Cdb[3] << 16) | ((ULONG)Cdb[2] << 24);
2806 					pCmd->uCmd.Ide.nSectors = (USHORT) Cdb[8] | ((USHORT)Cdb[7]<<8);
2807 					break;
2808 			}
2809 
2810 			switch (Cdb[0])
2811 			{
2812 				case READ_6:
2813 				case READ_10:
2814 				case 0x88: /* READ_16 */
2815 					pCmd->uCmd.Ide.Command = IDE_COMMAND_READ;
2816 					pCmd->cf_data_in = 1;
2817 					break;
2818 
2819 				case WRITE_6:
2820 				case WRITE_10:
2821 				case 0x8a: /* WRITE_16 */
2822 					pCmd->uCmd.Ide.Command = IDE_COMMAND_WRITE;
2823 					pCmd->cf_data_out = 1;
2824 					break;
2825 				case 0x13:
2826 				case 0x2f:
2827 					pCmd->uCmd.Ide.Command = IDE_COMMAND_VERIFY;
2828 					break;
2829 			}
2830 /*///////////////////////// */
2831 			pCmd->cf_physical_sg = 1;
2832 			error = bus_dmamap_load_ccb(pAdapter->io_dma_parent,
2833 						    pmap->dma_map,
2834 						    ccb,
2835 						    hpt_io_dmamap_callback,
2836 						    pCmd, BUS_DMA_WAITOK
2837 						    );
2838 			KdPrint(("bus_dmamap_load return %d\n", error));
2839 			if (error && error!=EINPROGRESS) {
2840 				hpt_printk(("bus_dmamap_load error %d\n", error));
2841 				FreeCommand(_VBUS_P pCmd);
2842 				ccb->ccb_h.status = CAM_REQ_CMP_ERR;
2843 				dmamap_put(pmap);
2844 				pAdapter->outstandingCommands--;
2845 				if (pAdapter->outstandingCommands == 0)
2846 					wakeup(pAdapter);
2847 				xpt_done(ccb);
2848 			}
2849 			goto Command_Complished;
2850 		}
2851 
2852 		default:
2853 			ccb->ccb_h.status = CAM_REQ_INVALID;
2854 			break;
2855 	}
2856 	ccb_done(ccb);
2857 Command_Complished:
2858 	CheckPendingCall(_VBUS_P0);
2859 	return;
2860 }
2861 
2862 static void HPTLIBAPI
2863 fOsCommandDone(_VBUS_ARG PCommand pCmd)
2864 {
2865 	union ccb *ccb = pCmd->pOrgCommand;
2866 	PBUS_DMAMAP pmap = (PBUS_DMAMAP)ccb->ccb_adapter;
2867 	IAL_ADAPTER_T *pAdapter = pmap->pAdapter;
2868 
2869 	KdPrint(("fOsCommandDone(pcmd=%p, result=%d)\n", pCmd, pCmd->Result));
2870 
2871 	callout_stop(&pmap->timeout);
2872 
2873 	switch(pCmd->Result) {
2874 	case RETURN_SUCCESS:
2875 		ccb->ccb_h.status = CAM_REQ_CMP;
2876 		break;
2877 	case RETURN_BAD_DEVICE:
2878 		ccb->ccb_h.status = CAM_DEV_NOT_THERE;
2879 		break;
2880 	case RETURN_DEVICE_BUSY:
2881 		ccb->ccb_h.status = CAM_BUSY;
2882 		break;
2883 	case RETURN_INVALID_REQUEST:
2884 		ccb->ccb_h.status = CAM_REQ_INVALID;
2885 		break;
2886 	case RETURN_SELECTION_TIMEOUT:
2887 		ccb->ccb_h.status = CAM_SEL_TIMEOUT;
2888 		break;
2889 	case RETURN_RETRY:
2890 		ccb->ccb_h.status = CAM_BUSY;
2891 		break;
2892 	default:
2893 		ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR;
2894 		break;
2895 	}
2896 
2897 	if (pCmd->cf_data_in) {
2898 		bus_dmamap_sync(pAdapter->io_dma_parent, pmap->dma_map, BUS_DMASYNC_POSTREAD);
2899 	}
2900 	else if (pCmd->cf_data_out) {
2901 		bus_dmamap_sync(pAdapter->io_dma_parent, pmap->dma_map, BUS_DMASYNC_POSTWRITE);
2902 	}
2903 
2904 	bus_dmamap_unload(pAdapter->io_dma_parent, pmap->dma_map);
2905 
2906 	FreeCommand(_VBUS_P pCmd);
2907 	ccb_done(ccb);
2908 }
2909 
2910 int
2911 hpt_queue_dpc(HPT_DPC dpc, IAL_ADAPTER_T * pAdapter, void *arg, UCHAR flags)
2912 {
2913 	int p;
2914 
2915 	mtx_lock(&DpcQueue_Lock);
2916 	p = (DpcQueue_Last + 1) % MAX_DPC;
2917 	if (p==DpcQueue_First) {
2918 		KdPrint(("DPC Queue full!\n"));
2919 		mtx_unlock(&DpcQueue_Lock);
2920 		return -1;
2921 	}
2922 
2923 	DpcQueue[DpcQueue_Last].dpc = dpc;
2924 	DpcQueue[DpcQueue_Last].pAdapter = pAdapter;
2925 	DpcQueue[DpcQueue_Last].arg = arg;
2926 	DpcQueue[DpcQueue_Last].flags = flags;
2927 	DpcQueue_Last = p;
2928 	mtx_unlock(&DpcQueue_Lock);
2929 
2930 	return 0;
2931 }
2932 
2933 #ifdef _RAID5N_
2934 /*
2935  * Allocate memory above 16M, otherwise we may eat all low memory for ISA devices.
2936  * How about the memory for 5081 request/response array and PRD table?
2937  */
2938 void
2939 *os_alloc_page(_VBUS_ARG0)
2940 {
2941 	return (void *)contigmalloc(0x1000, M_DEVBUF, M_NOWAIT, 0x1000000, 0xffffffff, PAGE_SIZE, 0ul);
2942 }
2943 
2944 void
2945 *os_alloc_dma_page(_VBUS_ARG0)
2946 {
2947 	return (void *)contigmalloc(0x1000, M_DEVBUF, M_NOWAIT, 0x1000000, 0xffffffff, PAGE_SIZE, 0ul);
2948 }
2949 
2950 void
2951 os_free_page(_VBUS_ARG void *p)
2952 {
2953 	contigfree(p, 0x1000, M_DEVBUF);
2954 }
2955 
2956 void
2957 os_free_dma_page(_VBUS_ARG void *p)
2958 {
2959 	contigfree(p, 0x1000, M_DEVBUF);
2960 }
2961 
2962 void
2963 DoXor1(ULONG *p0, ULONG *p1, ULONG *p2, UINT nBytes)
2964 {
2965 	UINT i;
2966 	for (i = 0; i < nBytes / 4; i++) *p0++ = *p1++ ^ *p2++;
2967 }
2968 
2969 void
2970 DoXor2(ULONG *p0, ULONG *p2, UINT nBytes)
2971 {
2972 	UINT i;
2973 	for (i = 0; i < nBytes / 4; i++) *p0++ ^= *p2++;
2974 }
2975 #endif
2976