xref: /freebsd/sys/dev/hptmv/entry.c (revision 389e4940069316fe667ffa263fa7d6390d0a960f)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3  *
4  * Copyright (c) 2004-2005 HighPoint Technologies, Inc.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  */
28 
29 #include <sys/cdefs.h>
30 __FBSDID("$FreeBSD$");
31 
32 #include <sys/param.h>
33 #include <sys/systm.h>
34 #include <sys/kernel.h>
35 #include <sys/bus.h>
36 #include <sys/malloc.h>
37 #include <sys/resource.h>
38 #include <sys/time.h>
39 #include <sys/callout.h>
40 #include <sys/signalvar.h>
41 #include <sys/eventhandler.h>
42 #include <sys/proc.h>
43 #include <sys/kthread.h>
44 
45 #include <sys/mutex.h>
46 #include <sys/module.h>
47 #include <sys/sx.h>
48 
49 #include <dev/pci/pcireg.h>
50 #include <dev/pci/pcivar.h>
51 
52 #ifndef __KERNEL__
53 #define __KERNEL__
54 #endif
55 
56 #include <dev/hptmv/global.h>
57 #include <dev/hptmv/hptintf.h>
58 #include <dev/hptmv/osbsd.h>
59 #include <dev/hptmv/access601.h>
60 
61 
62 #ifdef DEBUG
63 #ifdef DEBUG_LEVEL
64 int hpt_dbg_level = DEBUG_LEVEL;
65 #else
66 int hpt_dbg_level = 0;
67 #endif
68 #endif
69 
70 #define MV_ERROR printf
71 
72 /*
73  * CAM SIM entry points
74  */
75 static int 	hpt_probe (device_t dev);
76 static void launch_worker_thread(void);
77 static int 	hpt_attach(device_t dev);
78 static int 	hpt_detach(device_t dev);
79 static int 	hpt_shutdown(device_t dev);
80 static void hpt_poll(struct cam_sim *sim);
81 static void hpt_intr(void *arg);
82 static void hpt_async(void *callback_arg, u_int32_t code, struct cam_path *path, void *arg);
83 static void hpt_action(struct cam_sim *sim, union ccb *ccb);
84 
85 static device_method_t driver_methods[] = {
86 	/* Device interface */
87 	DEVMETHOD(device_probe,		hpt_probe),
88 	DEVMETHOD(device_attach,	hpt_attach),
89 	DEVMETHOD(device_detach,	hpt_detach),
90 
91 	DEVMETHOD(device_shutdown,	hpt_shutdown),
92 	DEVMETHOD_END
93 };
94 
95 static driver_t hpt_pci_driver = {
96 	__str(PROC_DIR_NAME),
97 	driver_methods,
98 	sizeof(IAL_ADAPTER_T)
99 };
100 
101 static devclass_t	hpt_devclass;
102 
103 #define __DRIVER_MODULE(p1, p2, p3, p4, p5, p6) DRIVER_MODULE(p1, p2, p3, p4, p5, p6)
104 __DRIVER_MODULE(PROC_DIR_NAME, pci, hpt_pci_driver, hpt_devclass, 0, 0);
105 MODULE_DEPEND(PROC_DIR_NAME, cam, 1, 1, 1);
106 
107 #define ccb_ccb_ptr spriv_ptr0
108 #define ccb_adapter ccb_h.spriv_ptr1
109 
110 static void SetInquiryData(PINQUIRYDATA inquiryData, PVDevice pVDev);
111 static void HPTLIBAPI OsSendCommand (_VBUS_ARG union ccb * ccb);
112 static void HPTLIBAPI fOsCommandDone(_VBUS_ARG PCommand pCmd);
113 static void ccb_done(union ccb *ccb);
114 static void hpt_queue_ccb(union ccb **ccb_Q, union ccb *ccb);
115 static void hpt_free_ccb(union ccb **ccb_Q, union ccb *ccb);
116 static void hpt_intr_locked(IAL_ADAPTER_T *pAdapter);
117 static void	hptmv_free_edma_queues(IAL_ADAPTER_T *pAdapter);
118 static void	hptmv_free_channel(IAL_ADAPTER_T *pAdapter, MV_U8 channelNum);
119 static void	handleEdmaError(_VBUS_ARG PCommand pCmd);
120 static int	hptmv_init_channel(IAL_ADAPTER_T *pAdapter, MV_U8 channelNum);
121 static int	fResetActiveCommands(PVBus _vbus_p);
122 static void	fRegisterVdevice(IAL_ADAPTER_T *pAdapter);
123 static int	hptmv_allocate_edma_queues(IAL_ADAPTER_T *pAdapter);
124 static void	hptmv_handle_event_disconnect(void *data);
125 static void	hptmv_handle_event_connect(void *data);
126 static int	start_channel(IAL_ADAPTER_T *pAdapter, MV_U8 channelNum);
127 static void	init_vdev_params(IAL_ADAPTER_T *pAdapter, MV_U8 channel);
128 static int	hptmv_parse_identify_results(MV_SATA_CHANNEL *pMvSataChannel);
129 static int HPTLIBAPI fOsBuildSgl(_VBUS_ARG PCommand pCmd, FPSCAT_GATH pSg,
130     int logical);
131 static MV_BOOLEAN CommandCompletionCB(MV_SATA_ADAPTER *pMvSataAdapter,
132     MV_U8 channelNum, MV_COMPLETION_TYPE comp_type, MV_VOID_PTR commandId,
133     MV_U16 responseFlags, MV_U32 timeStamp,
134     MV_STORAGE_DEVICE_REGISTERS *registerStruct);
135 static MV_BOOLEAN hptmv_event_notify(MV_SATA_ADAPTER *pMvSataAdapter,
136     MV_EVENT_TYPE eventType, MV_U32 param1, MV_U32 param2);
137 
138 #define ccb_ccb_ptr spriv_ptr0
139 #define ccb_adapter ccb_h.spriv_ptr1
140 
141 static struct sx hptmv_list_lock;
142 SX_SYSINIT(hptmv_list_lock, &hptmv_list_lock, "hptmv list");
143 IAL_ADAPTER_T *gIal_Adapter = NULL;
144 IAL_ADAPTER_T *pCurAdapter = NULL;
145 static MV_SATA_CHANNEL gMvSataChannels[MAX_VBUS][MV_SATA_CHANNELS_NUM];
146 
147 typedef struct st_HPT_DPC {
148 	IAL_ADAPTER_T *pAdapter;
149 	void (*dpc)(IAL_ADAPTER_T *, void *, UCHAR);
150 	void *arg;
151 	UCHAR flags;
152 } ST_HPT_DPC;
153 
154 #define MAX_DPC 16
155 UCHAR DPC_Request_Nums = 0;
156 static ST_HPT_DPC DpcQueue[MAX_DPC];
157 static int DpcQueue_First=0;
158 static int DpcQueue_Last = 0;
159 static struct mtx DpcQueue_Lock;
160 MTX_SYSINIT(hpmtv_dpc_lock, &DpcQueue_Lock, "hptmv dpc", MTX_DEF);
161 
162 char DRIVER_VERSION[] = "v1.16";
163 
164 /*******************************************************************************
165  *	Name:	hptmv_free_channel
166  *
167  *	Description:	free allocated queues for the given channel
168  *
169  *	Parameters:    	pMvSataAdapter - pointer to the RR18xx controller this
170  * 					channel connected to.
171  *			channelNum - channel number.
172  *
173  ******************************************************************************/
174 static void
175 hptmv_free_channel(IAL_ADAPTER_T *pAdapter, MV_U8 channelNum)
176 {
177 	HPT_ASSERT(channelNum < MV_SATA_CHANNELS_NUM);
178 	pAdapter->mvSataAdapter.sataChannel[channelNum] = NULL;
179 }
180 
181 static void failDevice(PVDevice pVDev)
182 {
183 	PVBus _vbus_p = pVDev->pVBus;
184 	IAL_ADAPTER_T *pAdapter = (IAL_ADAPTER_T *)_vbus_p->OsExt;
185 
186 	pVDev->u.disk.df_on_line = 0;
187 	pVDev->vf_online = 0;
188 	if (pVDev->pfnDeviceFailed)
189 		CallWhenIdle(_VBUS_P (DPC_PROC)pVDev->pfnDeviceFailed, pVDev);
190 
191 	fNotifyGUI(ET_DEVICE_REMOVED, pVDev);
192 
193 #ifndef FOR_DEMO
194 	if (pAdapter->ver_601==2 && !pAdapter->beeping) {
195 		pAdapter->beeping = 1;
196 		BeepOn(pAdapter->mvSataAdapter.adapterIoBaseAddress);
197 		set_fail_led(&pAdapter->mvSataAdapter, pVDev->u.disk.mv->channelNumber, 1);
198 	}
199 #endif
200 }
201 
202 int MvSataResetChannel(MV_SATA_ADAPTER *pMvSataAdapter, MV_U8 channel);
203 
204 static void
205 handleEdmaError(_VBUS_ARG PCommand pCmd)
206 {
207 	PDevice pDevice = &pCmd->pVDevice->u.disk;
208 	MV_SATA_ADAPTER * pSataAdapter = pDevice->mv->mvSataAdapter;
209 
210 	if (!pDevice->df_on_line) {
211 		KdPrint(("Device is offline"));
212 		pCmd->Result = RETURN_BAD_DEVICE;
213 		CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
214 		return;
215 	}
216 
217 	if (pCmd->RetryCount++>5) {
218 		hpt_printk(("too many retries on channel(%d)\n", pDevice->mv->channelNumber));
219 failed:
220 		failDevice(pCmd->pVDevice);
221 		pCmd->Result = RETURN_IDE_ERROR;
222 		CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
223 		return;
224 	}
225 
226 	/* reset the channel and retry the command */
227 	if (MvSataResetChannel(pSataAdapter, pDevice->mv->channelNumber))
228 		goto failed;
229 
230 	fNotifyGUI(ET_DEVICE_ERROR, Map2pVDevice(pDevice));
231 
232 	hpt_printk(("Retry on channel(%d)\n", pDevice->mv->channelNumber));
233 	fDeviceSendCommand(_VBUS_P pCmd);
234 }
235 
236 /****************************************************************
237  *	Name:	hptmv_init_channel
238  *
239  *	Description:	allocate request and response queues for the EDMA of the
240  *					given channel and sets other fields.
241  *
242  *	Parameters:
243  *		pAdapter - pointer to the emulated adapter data structure
244  *		channelNum - channel number.
245  *	Return:	0 on success, otherwise on failure
246  ****************************************************************/
247 static int
248 hptmv_init_channel(IAL_ADAPTER_T *pAdapter, MV_U8 channelNum)
249 {
250 	MV_SATA_CHANNEL *pMvSataChannel;
251 	dma_addr_t    req_dma_addr;
252 	dma_addr_t    rsp_dma_addr;
253 
254 	if (channelNum >= MV_SATA_CHANNELS_NUM)
255 	{
256 		MV_ERROR("RR18xx[%d]: Bad channelNum=%d",
257 				 pAdapter->mvSataAdapter.adapterId, channelNum);
258 		return -1;
259 	}
260 
261 	pMvSataChannel = &gMvSataChannels[pAdapter->mvSataAdapter.adapterId][channelNum];
262 	pAdapter->mvSataAdapter.sataChannel[channelNum] = pMvSataChannel;
263 	pMvSataChannel->channelNumber = channelNum;
264 	pMvSataChannel->lba48Address = MV_FALSE;
265 	pMvSataChannel->maxReadTransfer = MV_FALSE;
266 
267 	pMvSataChannel->requestQueue = (struct mvDmaRequestQueueEntry *)
268 								   (pAdapter->requestsArrayBaseAlignedAddr + (channelNum * MV_EDMA_REQUEST_QUEUE_SIZE));
269 	req_dma_addr = pAdapter->requestsArrayBaseDmaAlignedAddr + (channelNum * MV_EDMA_REQUEST_QUEUE_SIZE);
270 
271 
272 	KdPrint(("requestQueue addr is 0x%llX", (HPT_U64)(ULONG_PTR)req_dma_addr));
273 
274 	/* check the 1K alignment of the request queue*/
275 	if (req_dma_addr & 0x3ff)
276 	{
277 		MV_ERROR("RR18xx[%d]: request queue allocated isn't 1 K aligned,"
278 				 " dma_addr=%llx channel=%d\n", pAdapter->mvSataAdapter.adapterId,
279 				 (HPT_U64)(ULONG_PTR)req_dma_addr, channelNum);
280 		return -1;
281 	}
282 	pMvSataChannel->requestQueuePciLowAddress = req_dma_addr;
283 	pMvSataChannel->requestQueuePciHiAddress = 0;
284 	KdPrint(("RR18xx[%d,%d]: request queue allocated: 0x%p",
285 			  pAdapter->mvSataAdapter.adapterId, channelNum,
286 			  pMvSataChannel->requestQueue));
287 	pMvSataChannel->responseQueue = (struct mvDmaResponseQueueEntry *)
288 									(pAdapter->responsesArrayBaseAlignedAddr + (channelNum * MV_EDMA_RESPONSE_QUEUE_SIZE));
289 	rsp_dma_addr = pAdapter->responsesArrayBaseDmaAlignedAddr + (channelNum * MV_EDMA_RESPONSE_QUEUE_SIZE);
290 
291 	/* check the 256 alignment of the response queue*/
292 	if (rsp_dma_addr & 0xff)
293 	{
294 		MV_ERROR("RR18xx[%d,%d]: response queue allocated isn't 256 byte "
295 				 "aligned, dma_addr=%llx\n",
296 				 pAdapter->mvSataAdapter.adapterId, channelNum, (HPT_U64)(ULONG_PTR)rsp_dma_addr);
297 		return -1;
298 	}
299 	pMvSataChannel->responseQueuePciLowAddress = rsp_dma_addr;
300 	pMvSataChannel->responseQueuePciHiAddress = 0;
301 	KdPrint(("RR18xx[%d,%d]: response queue allocated: 0x%p",
302 			  pAdapter->mvSataAdapter.adapterId, channelNum,
303 			  pMvSataChannel->responseQueue));
304 
305 	pAdapter->mvChannel[channelNum].online = MV_TRUE;
306 	return 0;
307 }
308 
309 /******************************************************************************
310  *	Name: hptmv_parse_identify_results
311  *
312  *	Description:	this functions parses the identify command results, checks
313  *					that the connected deives can be accesed by RR18xx EDMA,
314  *					and updates the channel structure accordingly.
315  *
316  *	Parameters:     pMvSataChannel, pointer to the channel data structure.
317  *
318  *	Returns:       	=0 ->success, < 0 ->failure.
319  *
320  ******************************************************************************/
321 static int
322 hptmv_parse_identify_results(MV_SATA_CHANNEL *pMvSataChannel)
323 {
324 	MV_U16  *iden = pMvSataChannel->identifyDevice;
325 
326 	/*LBA addressing*/
327 	if (! (iden[IDEN_CAPACITY_1_OFFSET] & 0x200))
328 	{
329 		KdPrint(("IAL Error in IDENTIFY info: LBA not supported\n"));
330 		return -1;
331 	}
332 	else
333 	{
334 		KdPrint(("%25s - %s\n", "Capabilities", "LBA supported"));
335 	}
336 	/*DMA support*/
337 	if (! (iden[IDEN_CAPACITY_1_OFFSET] & 0x100))
338 	{
339 		KdPrint(("IAL Error in IDENTIFY info: DMA not supported\n"));
340 		return -1;
341 	}
342 	else
343 	{
344 		KdPrint(("%25s - %s\n", "Capabilities", "DMA supported"));
345 	}
346 	/* PIO */
347 	if ((iden[IDEN_VALID] & 2) == 0)
348 	{
349 		KdPrint(("IAL Error in IDENTIFY info: not able to find PIO mode\n"));
350 		return -1;
351 	}
352 	KdPrint(("%25s - 0x%02x\n", "PIO modes supported",
353 			  iden[IDEN_PIO_MODE_SPPORTED] & 0xff));
354 
355 	/*UDMA*/
356 	if ((iden[IDEN_VALID] & 4) == 0)
357 	{
358 		KdPrint(("IAL Error in IDENTIFY info: not able to find UDMA mode\n"));
359 		return -1;
360 	}
361 
362 	/* 48 bit address */
363 	if ((iden[IDEN_SUPPORTED_COMMANDS2] & 0x400))
364 	{
365 		KdPrint(("%25s - %s\n", "LBA48 addressing", "supported"));
366 		pMvSataChannel->lba48Address = MV_TRUE;
367 	}
368 	else
369 	{
370 		KdPrint(("%25s - %s\n", "LBA48 addressing", "Not supported"));
371 		pMvSataChannel->lba48Address = MV_FALSE;
372 	}
373 	return 0;
374 }
375 
376 static void
377 init_vdev_params(IAL_ADAPTER_T *pAdapter, MV_U8 channel)
378 {
379 	PVDevice pVDev = &pAdapter->VDevices[channel];
380 	MV_SATA_CHANNEL *pMvSataChannel = pAdapter->mvSataAdapter.sataChannel[channel];
381 	MV_U16_PTR IdentifyData = pMvSataChannel->identifyDevice;
382 
383 	pMvSataChannel->outstandingCommands = 0;
384 
385 	pVDev->u.disk.mv         = pMvSataChannel;
386 	pVDev->u.disk.df_on_line = 1;
387 	pVDev->u.disk.pVBus      = &pAdapter->VBus;
388 	pVDev->pVBus             = &pAdapter->VBus;
389 
390 #ifdef SUPPORT_48BIT_LBA
391 	if (pMvSataChannel->lba48Address == MV_TRUE)
392 		pVDev->u.disk.dDeRealCapacity = ((IdentifyData[101]<<16) | IdentifyData[100]) - 1;
393 	else
394 #endif
395 	if(IdentifyData[53] & 1) {
396 	pVDev->u.disk.dDeRealCapacity =
397 	  (((IdentifyData[58]<<16 | IdentifyData[57]) < (IdentifyData[61]<<16 | IdentifyData[60])) ?
398 		  (IdentifyData[61]<<16 | IdentifyData[60]) :
399 				(IdentifyData[58]<<16 | IdentifyData[57])) - 1;
400 	} else
401 		pVDev->u.disk.dDeRealCapacity =
402 				 (IdentifyData[61]<<16 | IdentifyData[60]) - 1;
403 
404 	pVDev->u.disk.bDeUsable_Mode = pVDev->u.disk.bDeModeSetting =
405 		pAdapter->mvChannel[channel].maxPioModeSupported - MV_ATA_TRANSFER_PIO_0;
406 
407 	if (pAdapter->mvChannel[channel].maxUltraDmaModeSupported!=0xFF) {
408 		pVDev->u.disk.bDeUsable_Mode = pVDev->u.disk.bDeModeSetting =
409 			pAdapter->mvChannel[channel].maxUltraDmaModeSupported - MV_ATA_TRANSFER_UDMA_0 + 8;
410 	}
411 }
412 
413 static void device_change(IAL_ADAPTER_T *pAdapter , MV_U8 channelIndex, int plugged)
414 {
415 	PVDevice pVDev;
416 	MV_SATA_ADAPTER  *pMvSataAdapter = &pAdapter->mvSataAdapter;
417 	MV_SATA_CHANNEL  *pMvSataChannel = pMvSataAdapter->sataChannel[channelIndex];
418 
419 	if (!pMvSataChannel) return;
420 
421 	if (plugged)
422 	{
423 		pVDev = &(pAdapter->VDevices[channelIndex]);
424 		init_vdev_params(pAdapter, channelIndex);
425 
426 		pVDev->VDeviceType = pVDev->u.disk.df_atapi? VD_ATAPI :
427 			pVDev->u.disk.df_removable_drive? VD_REMOVABLE : VD_SINGLE_DISK;
428 
429 		pVDev->VDeviceCapacity = pVDev->u.disk.dDeRealCapacity-SAVE_FOR_RAID_INFO;
430 		pVDev->pfnSendCommand = pfnSendCommand[pVDev->VDeviceType];
431 		pVDev->pfnDeviceFailed = pfnDeviceFailed[pVDev->VDeviceType];
432 		pVDev->vf_online = 1;
433 
434 #ifdef SUPPORT_ARRAY
435 		if(pVDev->pParent)
436 		{
437 			int iMember;
438 			for(iMember = 0; iMember < 	pVDev->pParent->u.array.bArnMember; iMember++)
439 				if((PVDevice)pVDev->pParent->u.array.pMember[iMember] == pVDev)
440 					pVDev->pParent->u.array.pMember[iMember] = NULL;
441 			pVDev->pParent = NULL;
442 		}
443 #endif
444 		fNotifyGUI(ET_DEVICE_PLUGGED,pVDev);
445 		fCheckBootable(pVDev);
446 		RegisterVDevice(pVDev);
447 
448 #ifndef FOR_DEMO
449 		if (pAdapter->beeping) {
450 			pAdapter->beeping = 0;
451 			BeepOff(pAdapter->mvSataAdapter.adapterIoBaseAddress);
452 		}
453 #endif
454 
455 	}
456 	else
457 	{
458 		pVDev  = &(pAdapter->VDevices[channelIndex]);
459 		failDevice(pVDev);
460 	}
461 }
462 
463 static int
464 start_channel(IAL_ADAPTER_T *pAdapter, MV_U8 channelNum)
465 {
466 	MV_SATA_ADAPTER *pMvSataAdapter = &pAdapter->mvSataAdapter;
467 	MV_SATA_CHANNEL *pMvSataChannel = pMvSataAdapter->sataChannel[channelNum];
468 	MV_CHANNEL		*pChannelInfo = &(pAdapter->mvChannel[channelNum]);
469 	MV_U32          udmaMode,pioMode;
470 
471 	KdPrint(("RR18xx [%d]: start channel (%d)", pMvSataAdapter->adapterId,
472 			 channelNum));
473 
474 
475 	/* Software reset channel */
476 	if (mvStorageDevATASoftResetDevice(pMvSataAdapter, channelNum) == MV_FALSE)
477 	{
478 		MV_ERROR("RR18xx [%d,%d]: failed to perform Software reset\n",
479 				 pMvSataAdapter->adapterId, channelNum);
480 		return -1;
481 	}
482 
483 	/* Hardware reset channel */
484 	if (mvSataChannelHardReset(pMvSataAdapter, channelNum) == MV_FALSE)
485 	{
486 		/* If failed, try again - this is when trying to hardreset a channel */
487 		/* when drive is just spinning up */
488 		StallExec(5000000); /* wait 5 sec before trying again */
489 		if (mvSataChannelHardReset(pMvSataAdapter, channelNum) == MV_FALSE)
490 		{
491 			MV_ERROR("RR18xx [%d,%d]: failed to perform Hard reset\n",
492 					 pMvSataAdapter->adapterId, channelNum);
493 			return -1;
494 		}
495 	}
496 
497 	/* identify device*/
498 	if (mvStorageDevATAIdentifyDevice(pMvSataAdapter, channelNum) == MV_FALSE)
499 	{
500 		MV_ERROR("RR18xx [%d,%d]: failed to perform ATA Identify command\n"
501 				 , pMvSataAdapter->adapterId, channelNum);
502 		return -1;
503 	}
504 	if (hptmv_parse_identify_results(pMvSataChannel))
505 	{
506 		MV_ERROR("RR18xx [%d,%d]: Error in parsing ATA Identify message\n"
507 				 , pMvSataAdapter->adapterId, channelNum);
508 		return -1;
509 	}
510 
511 	/* mvStorageDevATASetFeatures */
512 	/* Disable 8 bit PIO in case CFA enabled */
513 	if (pMvSataChannel->identifyDevice[86] & 4)
514 	{
515 		KdPrint(("RR18xx [%d]: Disable 8 bit PIO (CFA enabled) \n",
516 				  pMvSataAdapter->adapterId));
517 		if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
518 									   MV_ATA_SET_FEATURES_DISABLE_8_BIT_PIO, 0,
519 									   0, 0, 0) == MV_FALSE)
520 		{
521 			MV_ERROR("RR18xx [%d]: channel %d: mvStorageDevATASetFeatures"
522 					 " failed\n", pMvSataAdapter->adapterId, channelNum);
523 			return -1;
524 		}
525 	}
526 	/* Write cache */
527 #ifdef ENABLE_WRITE_CACHE
528 	if (pMvSataChannel->identifyDevice[82] & 0x20)
529 	{
530 		if (!(pMvSataChannel->identifyDevice[85] & 0x20)) /* if not enabled by default */
531 		{
532 			if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
533 										   MV_ATA_SET_FEATURES_ENABLE_WCACHE, 0,
534 										   0, 0, 0) == MV_FALSE)
535 			{
536 				MV_ERROR("RR18xx [%d]: channel %d: mvStorageDevATASetFeatures failed\n",
537 						 pMvSataAdapter->adapterId, channelNum);
538 				return -1;
539 			}
540 		}
541 		KdPrint(("RR18xx [%d]: channel %d, write cache enabled\n",
542 				  pMvSataAdapter->adapterId, channelNum));
543 	}
544 	else
545 	{
546 		KdPrint(("RR18xx [%d]: channel %d, write cache not supported\n",
547 				  pMvSataAdapter->adapterId, channelNum));
548 	}
549 #else /* disable write cache */
550 	{
551 		if (pMvSataChannel->identifyDevice[85] & 0x20)
552 		{
553 			KdPrint(("RR18xx [%d]: channel =%d, disable write cache\n",
554 					  pMvSataAdapter->adapterId, channelNum));
555 			if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
556 										   MV_ATA_SET_FEATURES_DISABLE_WCACHE, 0,
557 										   0, 0, 0) == MV_FALSE)
558 			{
559 				MV_ERROR("RR18xx [%d]: channel %d: mvStorageDevATASetFeatures failed\n",
560 						 pMvSataAdapter->adapterId, channelNum);
561 				return -1;
562 			}
563 		}
564 		KdPrint(("RR18xx [%d]: channel=%d, write cache disabled\n",
565 				  pMvSataAdapter->adapterId, channelNum));
566 	}
567 #endif
568 
569 	/* Set transfer mode */
570 	KdPrint(("RR18xx [%d] Set transfer mode XFER_PIO_SLOW\n",
571 			  pMvSataAdapter->adapterId));
572 	if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
573 								   MV_ATA_SET_FEATURES_TRANSFER,
574 								   MV_ATA_TRANSFER_PIO_SLOW, 0, 0, 0) ==
575 		MV_FALSE)
576 	{
577 		MV_ERROR("RR18xx [%d] channel %d: Set Features failed\n",
578 				 pMvSataAdapter->adapterId, channelNum);
579 		return -1;
580 	}
581 
582 	if (pMvSataChannel->identifyDevice[IDEN_PIO_MODE_SPPORTED] & 1)
583 	{
584 		pioMode = MV_ATA_TRANSFER_PIO_4;
585 	}
586 	else if (pMvSataChannel->identifyDevice[IDEN_PIO_MODE_SPPORTED] & 2)
587 	{
588 		pioMode = MV_ATA_TRANSFER_PIO_3;
589 	}
590 	else
591 	{
592 		MV_ERROR("IAL Error in IDENTIFY info: PIO modes 3 and 4 not supported\n");
593 		pioMode = MV_ATA_TRANSFER_PIO_SLOW;
594 	}
595 
596 	KdPrint(("RR18xx [%d] Set transfer mode XFER_PIO_4\n",
597 			  pMvSataAdapter->adapterId));
598 	pAdapter->mvChannel[channelNum].maxPioModeSupported = pioMode;
599 	if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
600 								   MV_ATA_SET_FEATURES_TRANSFER,
601 								   pioMode, 0, 0, 0) == MV_FALSE)
602 	{
603 		MV_ERROR("RR18xx [%d] channel %d: Set Features failed\n",
604 				 pMvSataAdapter->adapterId, channelNum);
605 		return -1;
606 	}
607 
608 	udmaMode = MV_ATA_TRANSFER_UDMA_0;
609 	if (pMvSataChannel->identifyDevice[IDEN_UDMA_MODE] & 0x40)
610 	{
611 		udmaMode =  MV_ATA_TRANSFER_UDMA_6;
612 	}
613 	else if (pMvSataChannel->identifyDevice[IDEN_UDMA_MODE] & 0x20)
614 	{
615 		udmaMode =  MV_ATA_TRANSFER_UDMA_5;
616 	}
617 	else if (pMvSataChannel->identifyDevice[IDEN_UDMA_MODE] & 0x10)
618 	{
619 		udmaMode =  MV_ATA_TRANSFER_UDMA_4;
620 	}
621 	else if (pMvSataChannel->identifyDevice[IDEN_UDMA_MODE] & 8)
622 	{
623 		udmaMode =  MV_ATA_TRANSFER_UDMA_3;
624 	}
625 	else if (pMvSataChannel->identifyDevice[IDEN_UDMA_MODE] & 4)
626 	{
627 		udmaMode =  MV_ATA_TRANSFER_UDMA_2;
628 	}
629 
630 	KdPrint(("RR18xx [%d] Set transfer mode XFER_UDMA_%d\n",
631 			  pMvSataAdapter->adapterId, udmaMode & 0xf));
632 	pChannelInfo->maxUltraDmaModeSupported = udmaMode;
633 
634 	/*if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
635 								   MV_ATA_SET_FEATURES_TRANSFER, udmaMode,
636 								   0, 0, 0) == MV_FALSE)
637 	{
638 		MV_ERROR("RR18xx [%d] channel %d: Set Features failed\n",
639 				 pMvSataAdapter->adapterId, channelNum);
640 		return -1;
641 	}*/
642 	if (pChannelInfo->maxUltraDmaModeSupported == 0xFF)
643 		return TRUE;
644 	else
645 		do
646 		{
647 			if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
648 								   MV_ATA_SET_FEATURES_TRANSFER,
649 								   pChannelInfo->maxUltraDmaModeSupported,
650 								   0, 0, 0) == MV_FALSE)
651 			{
652 				if (pChannelInfo->maxUltraDmaModeSupported > MV_ATA_TRANSFER_UDMA_0)
653 				{
654 					if (mvStorageDevATASoftResetDevice(pMvSataAdapter, channelNum) == MV_FALSE)
655 					{
656 						MV_REG_WRITE_BYTE(pMvSataAdapter->adapterIoBaseAddress,
657 										  pMvSataChannel->eDmaRegsOffset +
658 										  0x11c, /* command reg */
659 										  MV_ATA_COMMAND_IDLE_IMMEDIATE);
660 						mvMicroSecondsDelay(10000);
661 						mvSataChannelHardReset(pMvSataAdapter, channelNum);
662 						if (mvStorageDevATASoftResetDevice(pMvSataAdapter, channelNum) == MV_FALSE)
663 							return FALSE;
664 					}
665 					if (mvSataChannelHardReset(pMvSataAdapter, channelNum) == MV_FALSE)
666 						return FALSE;
667 					pChannelInfo->maxUltraDmaModeSupported--;
668 					continue;
669 				}
670 				else   return FALSE;
671 			}
672 			break;
673 		}while (1);
674 
675 	/* Read look ahead */
676 #ifdef ENABLE_READ_AHEAD
677 	if (pMvSataChannel->identifyDevice[82] & 0x40)
678 	{
679 		if (!(pMvSataChannel->identifyDevice[85] & 0x40)) /* if not enabled by default */
680 		{
681 			if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
682 										   MV_ATA_SET_FEATURES_ENABLE_RLA, 0, 0,
683 										   0, 0) == MV_FALSE)
684 			{
685 				MV_ERROR("RR18xx [%d] channel %d: Set Features failed\n",
686 						 pMvSataAdapter->adapterId, channelNum);
687 				return -1;
688 			}
689 		}
690 		KdPrint(("RR18xx [%d]: channel=%d, read look ahead enabled\n",
691 				  pMvSataAdapter->adapterId, channelNum));
692 	}
693 	else
694 	{
695 		KdPrint(("RR18xx [%d]: channel %d, Read Look Ahead not supported\n",
696 				  pMvSataAdapter->adapterId, channelNum));
697 	}
698 #else
699 	{
700 		if (pMvSataChannel->identifyDevice[86] & 0x20)
701 		{
702 			KdPrint(("RR18xx [%d]:channel %d, disable read look ahead\n",
703 					  pMvSataAdapter->adapterId, channelNum));
704 			if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
705 										   MV_ATA_SET_FEATURES_DISABLE_RLA, 0, 0,
706 										   0, 0) == MV_FALSE)
707 			{
708 				MV_ERROR("RR18xx [%d]:channel %d:  ATA Set Features failed\n",
709 						 pMvSataAdapter->adapterId, channelNum);
710 				return -1;
711 			}
712 		}
713 		KdPrint(("RR18xx [%d]:channel %d, read look ahead disabled\n",
714 				  pMvSataAdapter->adapterId, channelNum));
715 	}
716 #endif
717 
718 
719 	{
720 		KdPrint(("RR18xx [%d]: channel %d config EDMA, Non Queued Mode\n",
721 				  pMvSataAdapter->adapterId,
722 				  channelNum));
723 		if (mvSataConfigEdmaMode(pMvSataAdapter, channelNum,
724 								 MV_EDMA_MODE_NOT_QUEUED, 0) == MV_FALSE)
725 		{
726 			MV_ERROR("RR18xx [%d] channel %d Error: mvSataConfigEdmaMode failed\n",
727 					 pMvSataAdapter->adapterId, channelNum);
728 			return -1;
729 		}
730 	}
731 	/* Enable EDMA */
732 	if (mvSataEnableChannelDma(pMvSataAdapter, channelNum) == MV_FALSE)
733 	{
734 		MV_ERROR("RR18xx [%d] Failed to enable DMA, channel=%d\n",
735 				 pMvSataAdapter->adapterId, channelNum);
736 		return -1;
737 	}
738 	MV_ERROR("RR18xx [%d,%d]: channel started successfully\n",
739 			 pMvSataAdapter->adapterId, channelNum);
740 
741 #ifndef FOR_DEMO
742 	set_fail_led(pMvSataAdapter, channelNum, 0);
743 #endif
744 	return 0;
745 }
746 
747 static void
748 hptmv_handle_event(void * data, int flag)
749 {
750 	IAL_ADAPTER_T   *pAdapter = (IAL_ADAPTER_T *)data;
751 	MV_SATA_ADAPTER *pMvSataAdapter = &pAdapter->mvSataAdapter;
752 	MV_U8           channelIndex;
753 
754 	mtx_assert(&pAdapter->lock, MA_OWNED);
755 /*	mvOsSemTake(&pMvSataAdapter->semaphore); */
756 	for (channelIndex = 0; channelIndex < MV_SATA_CHANNELS_NUM; channelIndex++)
757 	{
758 		switch(pAdapter->sataEvents[channelIndex])
759 		{
760 			case SATA_EVENT_CHANNEL_CONNECTED:
761 				/* Handle only connects */
762 				if (flag == 1)
763 					break;
764 				KdPrint(("RR18xx [%d,%d]: new device connected\n",
765 						 pMvSataAdapter->adapterId, channelIndex));
766 				hptmv_init_channel(pAdapter, channelIndex);
767 				if (mvSataConfigureChannel( pMvSataAdapter, channelIndex) == MV_FALSE)
768 				{
769 					MV_ERROR("RR18xx [%d,%d] Failed to configure\n",
770 							 pMvSataAdapter->adapterId, channelIndex);
771 					hptmv_free_channel(pAdapter, channelIndex);
772 				}
773 				else
774 				{
775 					/*mvSataChannelHardReset(pMvSataAdapter, channel);*/
776 					if (start_channel( pAdapter, channelIndex))
777 					{
778 						MV_ERROR("RR18xx [%d,%d]Failed to start channel\n",
779 								 pMvSataAdapter->adapterId, channelIndex);
780 						hptmv_free_channel(pAdapter, channelIndex);
781 					}
782 					else
783 					{
784 						device_change(pAdapter, channelIndex, TRUE);
785 					}
786 				}
787 				pAdapter->sataEvents[channelIndex] = SATA_EVENT_NO_CHANGE;
788 			   break;
789 
790 			case SATA_EVENT_CHANNEL_DISCONNECTED:
791 				/* Handle only disconnects */
792 				if (flag == 0)
793 					break;
794 				KdPrint(("RR18xx [%d,%d]: device disconnected\n",
795 						 pMvSataAdapter->adapterId, channelIndex));
796 					/* Flush pending commands */
797 				if(pMvSataAdapter->sataChannel[channelIndex])
798 				{
799 					_VBUS_INST(&pAdapter->VBus)
800 					mvSataFlushDmaQueue (pMvSataAdapter, channelIndex,
801 										 MV_FLUSH_TYPE_CALLBACK);
802 					CheckPendingCall(_VBUS_P0);
803 					mvSataRemoveChannel(pMvSataAdapter,channelIndex);
804 					hptmv_free_channel(pAdapter, channelIndex);
805 					pMvSataAdapter->sataChannel[channelIndex] = NULL;
806 					KdPrint(("RR18xx [%d,%d]: channel removed\n",
807 						 pMvSataAdapter->adapterId, channelIndex));
808 					if (pAdapter->outstandingCommands==0 && DPC_Request_Nums==0)
809 						Check_Idle_Call(pAdapter);
810 				}
811 				else
812 				{
813 					KdPrint(("RR18xx [%d,%d]: channel already removed!!\n",
814 							 pMvSataAdapter->adapterId, channelIndex));
815 				}
816 				pAdapter->sataEvents[channelIndex] = SATA_EVENT_NO_CHANGE;
817 				break;
818 
819 			case SATA_EVENT_NO_CHANGE:
820 				break;
821 
822 			default:
823 				break;
824 		}
825 	}
826 /*	mvOsSemRelease(&pMvSataAdapter->semaphore); */
827 }
828 
829 #define EVENT_CONNECT					1
830 #define EVENT_DISCONNECT				0
831 
832 static void
833 hptmv_handle_event_connect(void *data)
834 {
835   hptmv_handle_event (data, 0);
836 }
837 
838 static void
839 hptmv_handle_event_disconnect(void *data)
840 {
841   hptmv_handle_event (data, 1);
842 }
843 
844 static MV_BOOLEAN
845 hptmv_event_notify(MV_SATA_ADAPTER *pMvSataAdapter, MV_EVENT_TYPE eventType,
846 								   MV_U32 param1, MV_U32 param2)
847 {
848 	IAL_ADAPTER_T   *pAdapter = pMvSataAdapter->IALData;
849 
850 	switch (eventType)
851 	{
852 		case MV_EVENT_TYPE_SATA_CABLE:
853 			{
854 				MV_U8   channel = param2;
855 
856 				if (param1 == EVENT_CONNECT)
857 				{
858 					pAdapter->sataEvents[channel] = SATA_EVENT_CHANNEL_CONNECTED;
859 					KdPrint(("RR18xx [%d,%d]: device connected event received\n",
860 							 pMvSataAdapter->adapterId, channel));
861 					/* Delete previous timers (if multiple drives connected in the same time */
862 					callout_reset(&pAdapter->event_timer_connect, 10 * hz, hptmv_handle_event_connect, pAdapter);
863 				}
864 				else if (param1 == EVENT_DISCONNECT)
865 				{
866 					pAdapter->sataEvents[channel] = SATA_EVENT_CHANNEL_DISCONNECTED;
867 					KdPrint(("RR18xx [%d,%d]: device disconnected event received \n",
868 							 pMvSataAdapter->adapterId, channel));
869 					device_change(pAdapter, channel, FALSE);
870 					/* Delete previous timers (if multiple drives disconnected in the same time */
871 					/*callout_reset(&pAdapter->event_timer_disconnect, 10 * hz, hptmv_handle_event_disconnect, pAdapter); */
872 					/*It is not necessary to wait, handle it directly*/
873 					hptmv_handle_event_disconnect(pAdapter);
874 				}
875 				else
876 				{
877 
878 					MV_ERROR("RR18xx: illegal value for param1(%d) at "
879 							 "connect/disconnect event, host=%d\n", param1,
880 							 pMvSataAdapter->adapterId );
881 
882 				}
883 			}
884 			break;
885 		case MV_EVENT_TYPE_ADAPTER_ERROR:
886 			KdPrint(("RR18xx: DEVICE error event received, pci cause "
887 					  "reg=%x,  don't how to handle this\n", param1));
888 			return MV_TRUE;
889 		default:
890 			MV_ERROR("RR18xx[%d]: unknown event type (%d)\n",
891 					 pMvSataAdapter->adapterId, eventType);
892 			return MV_FALSE;
893 	}
894 	return MV_TRUE;
895 }
896 
897 static int
898 hptmv_allocate_edma_queues(IAL_ADAPTER_T *pAdapter)
899 {
900 	pAdapter->requestsArrayBaseAddr = (MV_U8 *)contigmalloc(REQUESTS_ARRAY_SIZE,
901 			M_DEVBUF, M_NOWAIT, 0, 0xffffffff, PAGE_SIZE, 0ul);
902 	if (pAdapter->requestsArrayBaseAddr == NULL)
903 	{
904 		MV_ERROR("RR18xx[%d]: Failed to allocate memory for EDMA request"
905 				 " queues\n", pAdapter->mvSataAdapter.adapterId);
906 		return -1;
907 	}
908 	pAdapter->requestsArrayBaseDmaAddr = fOsPhysicalAddress(pAdapter->requestsArrayBaseAddr);
909 	pAdapter->requestsArrayBaseAlignedAddr = pAdapter->requestsArrayBaseAddr;
910 	pAdapter->requestsArrayBaseAlignedAddr += MV_EDMA_REQUEST_QUEUE_SIZE;
911 	pAdapter->requestsArrayBaseAlignedAddr  = (MV_U8 *)
912 		(((ULONG_PTR)pAdapter->requestsArrayBaseAlignedAddr) & ~(ULONG_PTR)(MV_EDMA_REQUEST_QUEUE_SIZE - 1));
913 	pAdapter->requestsArrayBaseDmaAlignedAddr = pAdapter->requestsArrayBaseDmaAddr;
914 	pAdapter->requestsArrayBaseDmaAlignedAddr += MV_EDMA_REQUEST_QUEUE_SIZE;
915 	pAdapter->requestsArrayBaseDmaAlignedAddr &= ~(ULONG_PTR)(MV_EDMA_REQUEST_QUEUE_SIZE - 1);
916 
917 	if ((pAdapter->requestsArrayBaseDmaAlignedAddr - pAdapter->requestsArrayBaseDmaAddr) !=
918 		(pAdapter->requestsArrayBaseAlignedAddr - pAdapter->requestsArrayBaseAddr))
919 	{
920 		MV_ERROR("RR18xx[%d]: Error in Request Quueues Alignment\n",
921 				 pAdapter->mvSataAdapter.adapterId);
922 		contigfree(pAdapter->requestsArrayBaseAddr, REQUESTS_ARRAY_SIZE, M_DEVBUF);
923 		return -1;
924 	}
925 	/* response queues */
926 	pAdapter->responsesArrayBaseAddr = (MV_U8 *)contigmalloc(RESPONSES_ARRAY_SIZE,
927 			M_DEVBUF, M_NOWAIT, 0, 0xffffffff, PAGE_SIZE, 0ul);
928 	if (pAdapter->responsesArrayBaseAddr == NULL)
929 	{
930 		MV_ERROR("RR18xx[%d]: Failed to allocate memory for EDMA response"
931 				 " queues\n", pAdapter->mvSataAdapter.adapterId);
932 		contigfree(pAdapter->requestsArrayBaseAddr, RESPONSES_ARRAY_SIZE, M_DEVBUF);
933 		return -1;
934 	}
935 	pAdapter->responsesArrayBaseDmaAddr = fOsPhysicalAddress(pAdapter->responsesArrayBaseAddr);
936 	pAdapter->responsesArrayBaseAlignedAddr = pAdapter->responsesArrayBaseAddr;
937 	pAdapter->responsesArrayBaseAlignedAddr += MV_EDMA_RESPONSE_QUEUE_SIZE;
938 	pAdapter->responsesArrayBaseAlignedAddr  = (MV_U8 *)
939 		(((ULONG_PTR)pAdapter->responsesArrayBaseAlignedAddr) & ~(ULONG_PTR)(MV_EDMA_RESPONSE_QUEUE_SIZE - 1));
940 	pAdapter->responsesArrayBaseDmaAlignedAddr = pAdapter->responsesArrayBaseDmaAddr;
941 	pAdapter->responsesArrayBaseDmaAlignedAddr += MV_EDMA_RESPONSE_QUEUE_SIZE;
942 	pAdapter->responsesArrayBaseDmaAlignedAddr &= ~(ULONG_PTR)(MV_EDMA_RESPONSE_QUEUE_SIZE - 1);
943 
944 	if ((pAdapter->responsesArrayBaseDmaAlignedAddr - pAdapter->responsesArrayBaseDmaAddr) !=
945 		(pAdapter->responsesArrayBaseAlignedAddr - pAdapter->responsesArrayBaseAddr))
946 	{
947 		MV_ERROR("RR18xx[%d]: Error in Response Queues Alignment\n",
948 				 pAdapter->mvSataAdapter.adapterId);
949 		contigfree(pAdapter->requestsArrayBaseAddr, REQUESTS_ARRAY_SIZE, M_DEVBUF);
950 		contigfree(pAdapter->responsesArrayBaseAddr, RESPONSES_ARRAY_SIZE, M_DEVBUF);
951 		return -1;
952 	}
953 	return 0;
954 }
955 
956 static void
957 hptmv_free_edma_queues(IAL_ADAPTER_T *pAdapter)
958 {
959 	contigfree(pAdapter->requestsArrayBaseAddr, REQUESTS_ARRAY_SIZE, M_DEVBUF);
960 	contigfree(pAdapter->responsesArrayBaseAddr, RESPONSES_ARRAY_SIZE, M_DEVBUF);
961 }
962 
963 static PVOID
964 AllocatePRDTable(IAL_ADAPTER_T *pAdapter)
965 {
966 	PVOID ret;
967 	if (pAdapter->pFreePRDLink) {
968 		KdPrint(("pAdapter->pFreePRDLink:%p\n",pAdapter->pFreePRDLink));
969 		ret = pAdapter->pFreePRDLink;
970 		pAdapter->pFreePRDLink = *(void**)ret;
971 		return ret;
972 	}
973 	return NULL;
974 }
975 
976 static void
977 FreePRDTable(IAL_ADAPTER_T *pAdapter, PVOID PRDTable)
978 {
979 	*(void**)PRDTable = pAdapter->pFreePRDLink;
980 	pAdapter->pFreePRDLink = PRDTable;
981 }
982 
983 extern PVDevice fGetFirstChild(PVDevice pLogical);
984 extern void fResetBootMark(PVDevice pLogical);
985 static void
986 fRegisterVdevice(IAL_ADAPTER_T *pAdapter)
987 {
988 	PVDevice pPhysical, pLogical;
989 	PVBus  pVBus;
990 	int i,j;
991 
992 	for(i=0;i<MV_SATA_CHANNELS_NUM;i++) {
993 		pPhysical = &(pAdapter->VDevices[i]);
994 		pLogical = pPhysical;
995 		while (pLogical->pParent) pLogical = pLogical->pParent;
996 		if (pLogical->vf_online==0) {
997 			pPhysical->vf_bootmark = pLogical->vf_bootmark = 0;
998 			continue;
999 		}
1000 		if (pLogical->VDeviceType==VD_SPARE || pPhysical!=fGetFirstChild(pLogical))
1001 			continue;
1002 
1003 		pVBus = &pAdapter->VBus;
1004 		if(pVBus)
1005 		{
1006 			j=0;
1007 			while(j<MAX_VDEVICE_PER_VBUS && pVBus->pVDevice[j]) j++;
1008 			if(j<MAX_VDEVICE_PER_VBUS){
1009 				pVBus->pVDevice[j] = pLogical;
1010 				pLogical->pVBus = pVBus;
1011 
1012 				if (j>0 && pLogical->vf_bootmark) {
1013 					if (pVBus->pVDevice[0]->vf_bootmark) {
1014 						fResetBootMark(pLogical);
1015 					}
1016 					else {
1017 						do { pVBus->pVDevice[j] = pVBus->pVDevice[j-1]; } while (--j);
1018 						pVBus->pVDevice[0] = pLogical;
1019 					}
1020 				}
1021 			}
1022 		}
1023 	}
1024 }
1025 
1026 PVDevice
1027 GetSpareDisk(_VBUS_ARG PVDevice pArray)
1028 {
1029 	IAL_ADAPTER_T *pAdapter = (IAL_ADAPTER_T *)pArray->pVBus->OsExt;
1030 	LBA_T capacity = LongDiv(pArray->VDeviceCapacity, pArray->u.array.bArnMember-1);
1031 	LBA_T thiscap, maxcap = MAX_LBA_T;
1032 	PVDevice pVDevice, pFind = NULL;
1033 	int i;
1034 
1035 	for(i=0;i<MV_SATA_CHANNELS_NUM;i++)
1036 	{
1037 		pVDevice = &pAdapter->VDevices[i];
1038 		if(!pVDevice)
1039 			continue;
1040 		thiscap = pArray->vf_format_v2? pVDevice->u.disk.dDeRealCapacity : pVDevice->VDeviceCapacity;
1041 		/* find the smallest usable spare disk */
1042 		if (pVDevice->VDeviceType==VD_SPARE &&
1043 			pVDevice->u.disk.df_on_line &&
1044 			thiscap < maxcap &&
1045 			thiscap >= capacity)
1046 		{
1047 				maxcap = pVDevice->VDeviceCapacity;
1048 				pFind = pVDevice;
1049 		}
1050 	}
1051 	return pFind;
1052 }
1053 
1054 /******************************************************************
1055  * IO ATA Command
1056  *******************************************************************/
1057 int HPTLIBAPI
1058 fDeReadWrite(PDevice pDev, ULONG Lba, UCHAR Cmd, void *tmpBuffer)
1059 {
1060 	return mvReadWrite(pDev->mv, Lba, Cmd, tmpBuffer);
1061 }
1062 
1063 void HPTLIBAPI fDeSelectMode(PDevice pDev, UCHAR NewMode)
1064 {
1065 	MV_SATA_CHANNEL *pSataChannel = pDev->mv;
1066 	MV_SATA_ADAPTER *pSataAdapter = pSataChannel->mvSataAdapter;
1067 	MV_U8 channelIndex = pSataChannel->channelNumber;
1068 	UCHAR mvMode;
1069 	/* 508x don't use MW-DMA? */
1070 	if (NewMode>4 && NewMode<8) NewMode = 4;
1071 	pDev->bDeModeSetting = NewMode;
1072 	if (NewMode<=4)
1073 		mvMode = MV_ATA_TRANSFER_PIO_0 + NewMode;
1074 	else
1075 		mvMode = MV_ATA_TRANSFER_UDMA_0 + (NewMode-8);
1076 
1077 	/*To fix 88i8030 bug*/
1078 	if (mvMode > MV_ATA_TRANSFER_UDMA_0 && mvMode < MV_ATA_TRANSFER_UDMA_4)
1079 		mvMode = MV_ATA_TRANSFER_UDMA_0;
1080 
1081 	mvSataDisableChannelDma(pSataAdapter, channelIndex);
1082 	/* Flush pending commands */
1083 	mvSataFlushDmaQueue (pSataAdapter, channelIndex, MV_FLUSH_TYPE_NONE);
1084 
1085 	if (mvStorageDevATASetFeatures(pSataAdapter, channelIndex,
1086 								   MV_ATA_SET_FEATURES_TRANSFER,
1087 								   mvMode, 0, 0, 0) == MV_FALSE)
1088 	{
1089 		KdPrint(("channel %d: Set Features failed\n", channelIndex));
1090 	}
1091 	/* Enable EDMA */
1092 	if (mvSataEnableChannelDma(pSataAdapter, channelIndex) == MV_FALSE)
1093 		KdPrint(("Failed to enable DMA, channel=%d", channelIndex));
1094 }
1095 
1096 int HPTLIBAPI fDeSetTCQ(PDevice pDev, int enable, int depth)
1097 {
1098 	MV_SATA_CHANNEL *pSataChannel = pDev->mv;
1099 	MV_SATA_ADAPTER *pSataAdapter = pSataChannel->mvSataAdapter;
1100 	MV_U8 channelIndex = pSataChannel->channelNumber;
1101 	IAL_ADAPTER_T *pAdapter = pSataAdapter->IALData;
1102 	MV_CHANNEL		*channelInfo = &(pAdapter->mvChannel[channelIndex]);
1103 	int dmaActive = pSataChannel->queueCommandsEnabled;
1104 	int ret = 0;
1105 
1106 	if (dmaActive) {
1107 		mvSataDisableChannelDma(pSataAdapter, channelIndex);
1108 		mvSataFlushDmaQueue(pSataAdapter,channelIndex,MV_FLUSH_TYPE_CALLBACK);
1109 	}
1110 
1111 	if (enable) {
1112 		if (pSataChannel->queuedDMA == MV_EDMA_MODE_NOT_QUEUED &&
1113 			(pSataChannel->identifyDevice[IDEN_SUPPORTED_COMMANDS2] & (0x2))) {
1114 			UCHAR depth = ((pSataChannel->identifyDevice[IDEN_QUEUE_DEPTH]) & 0x1f) + 1;
1115 			channelInfo->queueDepth = (depth==32)? 31 : depth;
1116 			mvSataConfigEdmaMode(pSataAdapter, channelIndex, MV_EDMA_MODE_QUEUED, depth);
1117 			ret = 1;
1118 		}
1119 	}
1120 	else
1121 	{
1122 		if (pSataChannel->queuedDMA != MV_EDMA_MODE_NOT_QUEUED) {
1123 			channelInfo->queueDepth = 2;
1124 			mvSataConfigEdmaMode(pSataAdapter, channelIndex, MV_EDMA_MODE_NOT_QUEUED, 0);
1125 			ret = 1;
1126 		}
1127 	}
1128 
1129 	if (dmaActive)
1130 		mvSataEnableChannelDma(pSataAdapter,channelIndex);
1131 	return ret;
1132 }
1133 
1134 int HPTLIBAPI fDeSetNCQ(PDevice pDev, int enable, int depth)
1135 {
1136 	return 0;
1137 }
1138 
1139 int HPTLIBAPI fDeSetWriteCache(PDevice pDev, int enable)
1140 {
1141 	MV_SATA_CHANNEL *pSataChannel = pDev->mv;
1142 	MV_SATA_ADAPTER *pSataAdapter = pSataChannel->mvSataAdapter;
1143 	MV_U8 channelIndex = pSataChannel->channelNumber;
1144 	IAL_ADAPTER_T *pAdapter = pSataAdapter->IALData;
1145 	MV_CHANNEL		*channelInfo = &(pAdapter->mvChannel[channelIndex]);
1146 	int dmaActive = pSataChannel->queueCommandsEnabled;
1147 	int ret = 0;
1148 
1149 	if (dmaActive) {
1150 		mvSataDisableChannelDma(pSataAdapter, channelIndex);
1151 		mvSataFlushDmaQueue(pSataAdapter,channelIndex,MV_FLUSH_TYPE_CALLBACK);
1152 	}
1153 
1154 	if ((pSataChannel->identifyDevice[82] & (0x20))) {
1155 		if (enable) {
1156 			if (mvStorageDevATASetFeatures(pSataAdapter, channelIndex,
1157 				MV_ATA_SET_FEATURES_ENABLE_WCACHE, 0, 0, 0, 0))
1158 			{
1159 				channelInfo->writeCacheEnabled = MV_TRUE;
1160 				ret = 1;
1161 			}
1162 		}
1163 		else {
1164 			if (mvStorageDevATASetFeatures(pSataAdapter, channelIndex,
1165 				MV_ATA_SET_FEATURES_DISABLE_WCACHE, 0, 0, 0, 0))
1166 			{
1167 				channelInfo->writeCacheEnabled = MV_FALSE;
1168 				ret = 1;
1169 			}
1170 		}
1171 	}
1172 
1173 	if (dmaActive)
1174 		mvSataEnableChannelDma(pSataAdapter,channelIndex);
1175 	return ret;
1176 }
1177 
1178 int HPTLIBAPI fDeSetReadAhead(PDevice pDev, int enable)
1179 {
1180 	MV_SATA_CHANNEL *pSataChannel = pDev->mv;
1181 	MV_SATA_ADAPTER *pSataAdapter = pSataChannel->mvSataAdapter;
1182 	MV_U8 channelIndex = pSataChannel->channelNumber;
1183 	IAL_ADAPTER_T *pAdapter = pSataAdapter->IALData;
1184 	MV_CHANNEL		*channelInfo = &(pAdapter->mvChannel[channelIndex]);
1185 	int dmaActive = pSataChannel->queueCommandsEnabled;
1186 	int ret = 0;
1187 
1188 	if (dmaActive) {
1189 		mvSataDisableChannelDma(pSataAdapter, channelIndex);
1190 		mvSataFlushDmaQueue(pSataAdapter,channelIndex,MV_FLUSH_TYPE_CALLBACK);
1191 	}
1192 
1193 	if ((pSataChannel->identifyDevice[82] & (0x40))) {
1194 		if (enable) {
1195 			if (mvStorageDevATASetFeatures(pSataAdapter, channelIndex,
1196 				MV_ATA_SET_FEATURES_ENABLE_RLA, 0, 0, 0, 0))
1197 			{
1198 				channelInfo->readAheadEnabled = MV_TRUE;
1199 				ret = 1;
1200 			}
1201 		}
1202 		else {
1203 			if (mvStorageDevATASetFeatures(pSataAdapter, channelIndex,
1204 				MV_ATA_SET_FEATURES_DISABLE_RLA, 0, 0, 0, 0))
1205 			{
1206 				channelInfo->readAheadEnabled = MV_FALSE;
1207 				ret = 1;
1208 			}
1209 		}
1210 	}
1211 
1212 	if (dmaActive)
1213 		mvSataEnableChannelDma(pSataAdapter,channelIndex);
1214 	return ret;
1215 }
1216 
1217 #ifdef SUPPORT_ARRAY
1218 #define IdeRegisterVDevice  fCheckArray
1219 #else
1220 void
1221 IdeRegisterVDevice(PDevice pDev)
1222 {
1223 	PVDevice pVDev = Map2pVDevice(pDev);
1224 
1225 	pVDev->VDeviceType = pDev->df_atapi? VD_ATAPI :
1226 						 pDev->df_removable_drive? VD_REMOVABLE : VD_SINGLE_DISK;
1227 	pVDev->vf_online = 1;
1228 	pVDev->VDeviceCapacity = pDev->dDeRealCapacity;
1229 	pVDev->pfnSendCommand = pfnSendCommand[pVDev->VDeviceType];
1230 	pVDev->pfnDeviceFailed = pfnDeviceFailed[pVDev->VDeviceType];
1231 }
1232 #endif
1233 
1234 static __inline PBUS_DMAMAP
1235 dmamap_get(struct IALAdapter * pAdapter)
1236 {
1237 	PBUS_DMAMAP	p = pAdapter->pbus_dmamap_list;
1238 	if (p)
1239 		pAdapter->pbus_dmamap_list = p-> next;
1240 	return p;
1241 }
1242 
1243 static __inline void
1244 dmamap_put(PBUS_DMAMAP p)
1245 {
1246 	p->next = p->pAdapter->pbus_dmamap_list;
1247 	p->pAdapter->pbus_dmamap_list = p;
1248 }
1249 
1250 static int num_adapters = 0;
1251 static int
1252 init_adapter(IAL_ADAPTER_T *pAdapter)
1253 {
1254 	PVBus _vbus_p = &pAdapter->VBus;
1255 	MV_SATA_ADAPTER *pMvSataAdapter;
1256 	int i, channel, rid;
1257 
1258 	PVDevice pVDev;
1259 
1260 	mtx_init(&pAdapter->lock, "hptsleeplock", NULL, MTX_DEF);
1261 	callout_init_mtx(&pAdapter->event_timer_connect, &pAdapter->lock, 0);
1262 	callout_init_mtx(&pAdapter->event_timer_disconnect, &pAdapter->lock, 0);
1263 
1264 	sx_xlock(&hptmv_list_lock);
1265 	pAdapter->next = 0;
1266 
1267 	if(gIal_Adapter == NULL){
1268 		gIal_Adapter = pAdapter;
1269 		pCurAdapter = gIal_Adapter;
1270 	}
1271 	else {
1272 		pCurAdapter->next = pAdapter;
1273 		pCurAdapter = pAdapter;
1274 	}
1275 	sx_xunlock(&hptmv_list_lock);
1276 
1277 	pAdapter->outstandingCommands = 0;
1278 
1279 	pMvSataAdapter = &(pAdapter->mvSataAdapter);
1280 	_vbus_p->OsExt = (void *)pAdapter;
1281 	pMvSataAdapter->IALData = pAdapter;
1282 
1283 	if (bus_dma_tag_create(bus_get_dma_tag(pAdapter->hpt_dev),/* parent */
1284 			4,	/* alignment */
1285 			BUS_SPACE_MAXADDR_32BIT+1, /* boundary */
1286 			BUS_SPACE_MAXADDR,	/* lowaddr */
1287 			BUS_SPACE_MAXADDR,	/* highaddr */
1288 			NULL, NULL, 		/* filter, filterarg */
1289 			PAGE_SIZE * (MAX_SG_DESCRIPTORS-1), /* maxsize */
1290 			MAX_SG_DESCRIPTORS, /* nsegments */
1291 			0x10000,	/* maxsegsize */
1292 			BUS_DMA_WAITOK, 	/* flags */
1293 			busdma_lock_mutex,	/* lockfunc */
1294 			&pAdapter->lock,	/* lockfuncarg */
1295 			&pAdapter->io_dma_parent /* tag */))
1296 		{
1297 			return ENXIO;
1298 	}
1299 
1300 
1301 	if (hptmv_allocate_edma_queues(pAdapter))
1302 	{
1303 		MV_ERROR("RR18xx: Failed to allocate memory for EDMA queues\n");
1304 		return ENOMEM;
1305 	}
1306 
1307 	/* also map EPROM address */
1308 	rid = 0x10;
1309 	if (!(pAdapter->mem_res = bus_alloc_resource_any(pAdapter->hpt_dev,
1310 			SYS_RES_MEMORY, &rid, RF_ACTIVE))
1311 		||
1312 		!(pMvSataAdapter->adapterIoBaseAddress = rman_get_virtual(pAdapter->mem_res)))
1313 	{
1314 		MV_ERROR("RR18xx: Failed to remap memory space\n");
1315 		hptmv_free_edma_queues(pAdapter);
1316 		return ENXIO;
1317 	}
1318 	else
1319 	{
1320 		KdPrint(("RR18xx: io base address 0x%p\n", pMvSataAdapter->adapterIoBaseAddress));
1321 	}
1322 
1323 	pMvSataAdapter->adapterId = num_adapters++;
1324 	/* get the revision ID */
1325 	pMvSataAdapter->pciConfigRevisionId = pci_read_config(pAdapter->hpt_dev, PCIR_REVID, 1);
1326 	pMvSataAdapter->pciConfigDeviceId = pci_get_device(pAdapter->hpt_dev);
1327 
1328 	/* init RR18xx */
1329 	pMvSataAdapter->intCoalThre[0]= 1;
1330 	pMvSataAdapter->intCoalThre[1]= 1;
1331 	pMvSataAdapter->intTimeThre[0] = 1;
1332 	pMvSataAdapter->intTimeThre[1] = 1;
1333 	pMvSataAdapter->pciCommand = 0x0107E371;
1334 	pMvSataAdapter->pciSerrMask = 0xd77fe6ul;
1335 	pMvSataAdapter->pciInterruptMask = 0xd77fe6ul;
1336 	pMvSataAdapter->mvSataEventNotify = hptmv_event_notify;
1337 
1338 	if (mvSataInitAdapter(pMvSataAdapter) == MV_FALSE)
1339 	{
1340 		MV_ERROR("RR18xx[%d]: core failed to initialize the adapter\n",
1341 				 pMvSataAdapter->adapterId);
1342 unregister:
1343 		bus_release_resource(pAdapter->hpt_dev, SYS_RES_MEMORY, rid, pAdapter->mem_res);
1344 		hptmv_free_edma_queues(pAdapter);
1345 		return ENXIO;
1346 	}
1347 	pAdapter->ver_601 = pMvSataAdapter->pcbVersion;
1348 
1349 #ifndef FOR_DEMO
1350 	set_fail_leds(pMvSataAdapter, 0);
1351 #endif
1352 
1353 	/* setup command blocks */
1354 	KdPrint(("Allocate command blocks\n"));
1355 	_vbus_(pFreeCommands) = 0;
1356 	pAdapter->pCommandBlocks =
1357 		malloc(sizeof(struct _Command) * MAX_COMMAND_BLOCKS_FOR_EACH_VBUS, M_DEVBUF, M_NOWAIT);
1358 	KdPrint(("pCommandBlocks:%p\n",pAdapter->pCommandBlocks));
1359 	if (!pAdapter->pCommandBlocks) {
1360 		MV_ERROR("insufficient memory\n");
1361 		goto unregister;
1362 	}
1363 
1364 	for (i=0; i<MAX_COMMAND_BLOCKS_FOR_EACH_VBUS; i++) {
1365 		FreeCommand(_VBUS_P &(pAdapter->pCommandBlocks[i]));
1366 	}
1367 
1368 	/*Set up the bus_dmamap*/
1369 	pAdapter->pbus_dmamap = (PBUS_DMAMAP)malloc (sizeof(struct _BUS_DMAMAP) * MAX_QUEUE_COMM, M_DEVBUF, M_NOWAIT);
1370 	if(!pAdapter->pbus_dmamap) {
1371 		MV_ERROR("insufficient memory\n");
1372 		free(pAdapter->pCommandBlocks, M_DEVBUF);
1373 		goto unregister;
1374 	}
1375 
1376 	memset((void *)pAdapter->pbus_dmamap, 0, sizeof(struct _BUS_DMAMAP) * MAX_QUEUE_COMM);
1377 	pAdapter->pbus_dmamap_list = 0;
1378 	for (i=0; i < MAX_QUEUE_COMM; i++) {
1379 		PBUS_DMAMAP  pmap = &(pAdapter->pbus_dmamap[i]);
1380 		pmap->pAdapter = pAdapter;
1381 		dmamap_put(pmap);
1382 
1383 		if(bus_dmamap_create(pAdapter->io_dma_parent, 0, &pmap->dma_map)) {
1384 			MV_ERROR("Can not allocate dma map\n");
1385 			free(pAdapter->pCommandBlocks, M_DEVBUF);
1386 			free(pAdapter->pbus_dmamap, M_DEVBUF);
1387 			goto unregister;
1388 		}
1389 		callout_init_mtx(&pmap->timeout, &pAdapter->lock, 0);
1390 	}
1391 	/* setup PRD Tables */
1392 	KdPrint(("Allocate PRD Tables\n"));
1393 	pAdapter->pFreePRDLink = 0;
1394 
1395 	pAdapter->prdTableAddr = (PUCHAR)contigmalloc(
1396 		(PRD_ENTRIES_SIZE*PRD_TABLES_FOR_VBUS + 32), M_DEVBUF, M_NOWAIT, 0, 0xffffffff, PAGE_SIZE, 0ul);
1397 
1398 	KdPrint(("prdTableAddr:%p\n",pAdapter->prdTableAddr));
1399 	if (!pAdapter->prdTableAddr) {
1400 		MV_ERROR("insufficient PRD Tables\n");
1401 		goto unregister;
1402 	}
1403 	pAdapter->prdTableAlignedAddr = (PUCHAR)(((ULONG_PTR)pAdapter->prdTableAddr + 0x1f) & ~(ULONG_PTR)0x1fL);
1404 	{
1405 		PUCHAR PRDTable = pAdapter->prdTableAlignedAddr;
1406 		for (i=0; i<PRD_TABLES_FOR_VBUS; i++)
1407 		{
1408 /*			KdPrint(("i=%d,pAdapter->pFreePRDLink=%p\n",i,pAdapter->pFreePRDLink)); */
1409 			FreePRDTable(pAdapter, PRDTable);
1410 			PRDTable += PRD_ENTRIES_SIZE;
1411 		}
1412 	}
1413 
1414 	/* enable the adapter interrupts */
1415 
1416 	/* configure and start the connected channels*/
1417 	for (channel = 0; channel < MV_SATA_CHANNELS_NUM; channel++)
1418 	{
1419 		pAdapter->mvChannel[channel].online = MV_FALSE;
1420 		if (mvSataIsStorageDeviceConnected(pMvSataAdapter, channel)
1421 			== MV_TRUE)
1422 		{
1423 			KdPrint(("RR18xx[%d]: channel %d is connected\n",
1424 					  pMvSataAdapter->adapterId, channel));
1425 
1426 			if (hptmv_init_channel(pAdapter, channel) == 0)
1427 			{
1428 				if (mvSataConfigureChannel(pMvSataAdapter, channel) == MV_FALSE)
1429 				{
1430 					MV_ERROR("RR18xx[%d]: Failed to configure channel"
1431 							 " %d\n",pMvSataAdapter->adapterId, channel);
1432 					hptmv_free_channel(pAdapter, channel);
1433 				}
1434 				else
1435 				{
1436 					if (start_channel(pAdapter, channel))
1437 					{
1438 						MV_ERROR("RR18xx[%d]: Failed to start channel,"
1439 								 " channel=%d\n",pMvSataAdapter->adapterId,
1440 								 channel);
1441 						hptmv_free_channel(pAdapter, channel);
1442 					}
1443 					pAdapter->mvChannel[channel].online = MV_TRUE;
1444 					/*  mvSataChannelSetEdmaLoopBackMode(pMvSataAdapter,
1445 													   channel,
1446 													   MV_TRUE);*/
1447 				}
1448 			}
1449 		}
1450 		KdPrint(("pAdapter->mvChannel[channel].online:%x, channel:%d\n",
1451 			pAdapter->mvChannel[channel].online, channel));
1452 	}
1453 
1454 #ifdef SUPPORT_ARRAY
1455 	for(i = MAX_ARRAY_DEVICE - 1; i >= 0; i--) {
1456 		pVDev = ArrayTables(i);
1457 		mArFreeArrayTable(pVDev);
1458 	}
1459 #endif
1460 
1461 	KdPrint(("Initialize Devices\n"));
1462 	for (channel = 0; channel < MV_SATA_CHANNELS_NUM; channel++) {
1463 		MV_SATA_CHANNEL *pMvSataChannel = pMvSataAdapter->sataChannel[channel];
1464 		if (pMvSataChannel) {
1465 			init_vdev_params(pAdapter, channel);
1466 			IdeRegisterVDevice(&pAdapter->VDevices[channel].u.disk);
1467 		}
1468 	}
1469 #ifdef SUPPORT_ARRAY
1470 	CheckArrayCritical(_VBUS_P0);
1471 #endif
1472 	_vbus_p->nInstances = 1;
1473 	fRegisterVdevice(pAdapter);
1474 
1475 	for (channel=0;channel<MV_SATA_CHANNELS_NUM;channel++) {
1476 		pVDev = _vbus_p->pVDevice[channel];
1477 		if (pVDev && pVDev->vf_online)
1478 			fCheckBootable(pVDev);
1479 	}
1480 
1481 #if defined(SUPPORT_ARRAY) && defined(_RAID5N_)
1482 	init_raid5_memory(_VBUS_P0);
1483 	_vbus_(r5).enable_write_back = 1;
1484 	printf("RR18xx: RAID5 write-back %s\n", _vbus_(r5).enable_write_back? "enabled" : "disabled");
1485 #endif
1486 
1487 	mvSataUnmaskAdapterInterrupt(pMvSataAdapter);
1488 	return 0;
1489 }
1490 
1491 int
1492 MvSataResetChannel(MV_SATA_ADAPTER *pMvSataAdapter, MV_U8 channel)
1493 {
1494 	IAL_ADAPTER_T   *pAdapter = (IAL_ADAPTER_T *)pMvSataAdapter->IALData;
1495 
1496 	mvSataDisableChannelDma(pMvSataAdapter, channel);
1497 	/* Flush pending commands */
1498 	mvSataFlushDmaQueue (pMvSataAdapter, channel, MV_FLUSH_TYPE_CALLBACK);
1499 
1500 	/* Software reset channel */
1501 	if (mvStorageDevATASoftResetDevice(pMvSataAdapter, channel) == MV_FALSE)
1502 	{
1503 		MV_ERROR("RR18xx [%d,%d]: failed to perform Software reset\n",
1504 				 pMvSataAdapter->adapterId, channel);
1505 		hptmv_free_channel(pAdapter, channel);
1506 		return -1;
1507 	}
1508 
1509 	/* Hardware reset channel */
1510 	if (mvSataChannelHardReset(pMvSataAdapter, channel)== MV_FALSE)
1511 	{
1512 		MV_ERROR("RR18xx [%d,%d] Failed to Hard reser the SATA channel\n",
1513 				 pMvSataAdapter->adapterId, channel);
1514 		hptmv_free_channel(pAdapter, channel);
1515 		return -1;
1516 	}
1517 
1518 	if (mvSataIsStorageDeviceConnected(pMvSataAdapter, channel) == MV_FALSE)
1519 	{
1520 		 MV_ERROR("RR18xx [%d,%d] Failed to Connect Device\n",
1521 				 pMvSataAdapter->adapterId, channel);
1522 		hptmv_free_channel(pAdapter, channel);
1523 		return -1;
1524 	}else
1525 	{
1526 		MV_ERROR("channel %d: perform recalibrate command", channel);
1527 		if (!mvStorageDevATAExecuteNonUDMACommand(pMvSataAdapter, channel,
1528 								MV_NON_UDMA_PROTOCOL_NON_DATA,
1529 								MV_FALSE,
1530 								NULL,	 /* pBuffer*/
1531 								0,		 /* count  */
1532 								0,		/*features*/
1533 										/* sectorCount */
1534 								0,
1535 								0,	/* lbaLow */
1536 								0,	/* lbaMid */
1537 									/* lbaHigh */
1538 								0,
1539 								0,		/* device */
1540 										/* command */
1541 								0x10))
1542 			MV_ERROR("channel %d: recalibrate failed", channel);
1543 
1544 		/* Set transfer mode */
1545 		if((mvStorageDevATASetFeatures(pMvSataAdapter, channel,
1546 						MV_ATA_SET_FEATURES_TRANSFER,
1547 						MV_ATA_TRANSFER_PIO_SLOW, 0, 0, 0) == MV_FALSE) ||
1548 			(mvStorageDevATASetFeatures(pMvSataAdapter, channel,
1549 						MV_ATA_SET_FEATURES_TRANSFER,
1550 						pAdapter->mvChannel[channel].maxPioModeSupported, 0, 0, 0) == MV_FALSE) ||
1551 			(mvStorageDevATASetFeatures(pMvSataAdapter, channel,
1552 						MV_ATA_SET_FEATURES_TRANSFER,
1553 						pAdapter->mvChannel[channel].maxUltraDmaModeSupported, 0, 0, 0) == MV_FALSE) )
1554 		{
1555 			MV_ERROR("channel %d: Set Features failed", channel);
1556 			hptmv_free_channel(pAdapter, channel);
1557 			return -1;
1558 		}
1559 		/* Enable EDMA */
1560 		if (mvSataEnableChannelDma(pMvSataAdapter, channel) == MV_FALSE)
1561 		{
1562 			MV_ERROR("Failed to enable DMA, channel=%d", channel);
1563 			hptmv_free_channel(pAdapter, channel);
1564 			return -1;
1565 		}
1566 	}
1567 	return 0;
1568 }
1569 
1570 static int
1571 fResetActiveCommands(PVBus _vbus_p)
1572 {
1573 	MV_SATA_ADAPTER *pMvSataAdapter = &((IAL_ADAPTER_T *)_vbus_p->OsExt)->mvSataAdapter;
1574 	MV_U8 channel;
1575 	for (channel=0;channel< MV_SATA_CHANNELS_NUM;channel++) {
1576 		if (pMvSataAdapter->sataChannel[channel] && pMvSataAdapter->sataChannel[channel]->outstandingCommands)
1577 			MvSataResetChannel(pMvSataAdapter,channel);
1578 	}
1579 	return 0;
1580 }
1581 
1582 void fCompleteAllCommandsSynchronously(PVBus _vbus_p)
1583 {
1584 	UINT cont;
1585 	ULONG ticks = 0;
1586 	MV_U8 channel;
1587 	MV_SATA_ADAPTER *pMvSataAdapter = &((IAL_ADAPTER_T *)_vbus_p->OsExt)->mvSataAdapter;
1588 	MV_SATA_CHANNEL *pMvSataChannel;
1589 
1590 	do {
1591 check_cmds:
1592 		cont = 0;
1593 		CheckPendingCall(_VBUS_P0);
1594 #ifdef _RAID5N_
1595 		dataxfer_poll();
1596 		xor_poll();
1597 #endif
1598 		for (channel=0;channel< MV_SATA_CHANNELS_NUM;channel++) {
1599 			pMvSataChannel = pMvSataAdapter->sataChannel[channel];
1600 			if (pMvSataChannel && pMvSataChannel->outstandingCommands)
1601 			{
1602 				while (pMvSataChannel->outstandingCommands) {
1603 					if (!mvSataInterruptServiceRoutine(pMvSataAdapter)) {
1604 						StallExec(1000);
1605 						if (ticks++ > 3000) {
1606 							MvSataResetChannel(pMvSataAdapter,channel);
1607 							goto check_cmds;
1608 						}
1609 					}
1610 					else
1611 						ticks = 0;
1612 				}
1613 				cont = 1;
1614 			}
1615 		}
1616 	} while (cont);
1617 }
1618 
1619 void
1620 fResetVBus(_VBUS_ARG0)
1621 {
1622 	KdPrint(("fMvResetBus(%p)", _vbus_p));
1623 
1624 	/* some commands may already finished. */
1625 	CheckPendingCall(_VBUS_P0);
1626 
1627 	fResetActiveCommands(_vbus_p);
1628 	/*
1629 	 * the other pending commands may still be finished successfully.
1630 	 */
1631 	fCompleteAllCommandsSynchronously(_vbus_p);
1632 
1633 	/* Now there should be no pending commands. No more action needed. */
1634 	CheckIdleCall(_VBUS_P0);
1635 
1636 	KdPrint(("fMvResetBus() done"));
1637 }
1638 
1639 /*No rescan function*/
1640 void
1641 fRescanAllDevice(_VBUS_ARG0)
1642 {
1643 }
1644 
1645 static MV_BOOLEAN
1646 CommandCompletionCB(MV_SATA_ADAPTER *pMvSataAdapter,
1647 					MV_U8 channelNum,
1648 					MV_COMPLETION_TYPE comp_type,
1649 					MV_VOID_PTR commandId,
1650 					MV_U16 responseFlags,
1651 					MV_U32 timeStamp,
1652 					MV_STORAGE_DEVICE_REGISTERS *registerStruct)
1653 {
1654 	PCommand pCmd = (PCommand) commandId;
1655 	_VBUS_INST(pCmd->pVDevice->pVBus)
1656 
1657 	if (pCmd->uScratch.sata_param.prdAddr)
1658 		FreePRDTable(pMvSataAdapter->IALData,pCmd->uScratch.sata_param.prdAddr);
1659 
1660 	switch (comp_type)
1661 	{
1662 	case MV_COMPLETION_TYPE_NORMAL:
1663 		pCmd->Result = RETURN_SUCCESS;
1664 		break;
1665 	case MV_COMPLETION_TYPE_ABORT:
1666 		pCmd->Result = RETURN_BUS_RESET;
1667 		break;
1668 	case MV_COMPLETION_TYPE_ERROR:
1669 		 MV_ERROR("IAL: COMPLETION ERROR, adapter %d, channel %d, flags=%x\n",
1670 				 pMvSataAdapter->adapterId, channelNum, responseFlags);
1671 
1672 		if (responseFlags & 4) {
1673 			MV_ERROR("ATA regs: error %x, sector count %x, LBA low %x, LBA mid %x,"
1674 				" LBA high %x, device %x, status %x\n",
1675 				registerStruct->errorRegister,
1676 				registerStruct->sectorCountRegister,
1677 				registerStruct->lbaLowRegister,
1678 				registerStruct->lbaMidRegister,
1679 				registerStruct->lbaHighRegister,
1680 				registerStruct->deviceRegister,
1681 				registerStruct->statusRegister);
1682 		}
1683 		/*We can't do handleEdmaError directly here, because CommandCompletionCB is called by
1684 		 * mv's ISR, if we retry the command, than the internel data structure may be destroyed*/
1685 		pCmd->uScratch.sata_param.responseFlags = responseFlags;
1686 		pCmd->uScratch.sata_param.bIdeStatus = registerStruct->statusRegister;
1687 		pCmd->uScratch.sata_param.errorRegister = registerStruct->errorRegister;
1688 		pCmd->pVDevice->u.disk.QueueLength--;
1689 		CallAfterReturn(_VBUS_P (DPC_PROC)handleEdmaError,pCmd);
1690 		return TRUE;
1691 
1692 	default:
1693 		MV_ERROR(" Unknown completion type (%d)\n", comp_type);
1694 		return MV_FALSE;
1695 	}
1696 
1697 	if (pCmd->uCmd.Ide.Command == IDE_COMMAND_VERIFY && pCmd->uScratch.sata_param.cmd_priv > 1) {
1698 		pCmd->uScratch.sata_param.cmd_priv --;
1699 		return TRUE;
1700 	}
1701 	pCmd->pVDevice->u.disk.QueueLength--;
1702 	CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1703 	return TRUE;
1704 }
1705 
1706 void
1707 fDeviceSendCommand(_VBUS_ARG PCommand pCmd)
1708 {
1709 	MV_SATA_EDMA_PRD_ENTRY  *pPRDTable = 0;
1710 	MV_SATA_ADAPTER *pMvSataAdapter;
1711 	MV_SATA_CHANNEL *pMvSataChannel;
1712 	PVDevice pVDevice = pCmd->pVDevice;
1713 	PDevice  pDevice = &pVDevice->u.disk;
1714 	LBA_T    Lba = pCmd->uCmd.Ide.Lba;
1715 	USHORT   nSector = pCmd->uCmd.Ide.nSectors;
1716 
1717 	MV_QUEUE_COMMAND_RESULT result;
1718 	MV_QUEUE_COMMAND_INFO commandInfo;
1719 	MV_UDMA_COMMAND_PARAMS  *pUdmaParams = &commandInfo.commandParams.udmaCommand;
1720 	MV_NONE_UDMA_COMMAND_PARAMS *pNoUdmaParams = &commandInfo.commandParams.NoneUdmaCommand;
1721 
1722 	MV_BOOLEAN is48bit;
1723 	MV_U8      channel;
1724 	int        i=0;
1725 
1726 	DECLARE_BUFFER(FPSCAT_GATH, tmpSg);
1727 
1728 	if (!pDevice->df_on_line) {
1729 		MV_ERROR("Device is offline");
1730 		pCmd->Result = RETURN_BAD_DEVICE;
1731 		CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1732 		return;
1733 	}
1734 
1735 	pDevice->HeadPosition = pCmd->uCmd.Ide.Lba + pCmd->uCmd.Ide.nSectors;
1736 	pMvSataChannel = pDevice->mv;
1737 	pMvSataAdapter = pMvSataChannel->mvSataAdapter;
1738 	channel = pMvSataChannel->channelNumber;
1739 
1740 	/* old RAID0 has hidden lba. Remember to clear dDeHiddenLba when delete array! */
1741 	Lba += pDevice->dDeHiddenLba;
1742 	/* check LBA */
1743 	if (Lba+nSector-1 > pDevice->dDeRealCapacity) {
1744 		pCmd->Result = RETURN_INVALID_REQUEST;
1745 		CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1746 		return;
1747 	}
1748 
1749 	/*
1750 	 * always use 48bit LBA if drive supports it.
1751 	 * Some Seagate drives report error if you use a 28-bit command
1752 	 * to access sector 0xfffffff.
1753 	 */
1754 	is48bit = pMvSataChannel->lba48Address;
1755 
1756 	switch (pCmd->uCmd.Ide.Command)
1757 	{
1758 	case IDE_COMMAND_READ:
1759 	case IDE_COMMAND_WRITE:
1760 		if (pDevice->bDeModeSetting<8) goto pio;
1761 
1762 		commandInfo.type = MV_QUEUED_COMMAND_TYPE_UDMA;
1763 		pUdmaParams->isEXT = is48bit;
1764 		pUdmaParams->numOfSectors = nSector;
1765 		pUdmaParams->lowLBAAddress = Lba;
1766 		pUdmaParams->highLBAAddress = 0;
1767 		pUdmaParams->prdHighAddr = 0;
1768 		pUdmaParams->callBack = CommandCompletionCB;
1769 		pUdmaParams->commandId = (MV_VOID_PTR )pCmd;
1770 		if(pCmd->uCmd.Ide.Command == IDE_COMMAND_READ)
1771 			pUdmaParams->readWrite = MV_UDMA_TYPE_READ;
1772 		else
1773 			pUdmaParams->readWrite = MV_UDMA_TYPE_WRITE;
1774 
1775 		if (pCmd->pSgTable && pCmd->cf_physical_sg) {
1776 			FPSCAT_GATH sg1=tmpSg, sg2=pCmd->pSgTable;
1777 			do { *sg1++=*sg2; } while ((sg2++->wSgFlag & SG_FLAG_EOT)==0);
1778 		}
1779 		else {
1780 			if (!pCmd->pfnBuildSgl || !pCmd->pfnBuildSgl(_VBUS_P pCmd, tmpSg, 0)) {
1781 pio:
1782 				mvSataDisableChannelDma(pMvSataAdapter, channel);
1783 				mvSataFlushDmaQueue(pMvSataAdapter, channel, MV_FLUSH_TYPE_CALLBACK);
1784 
1785 				if (pCmd->pSgTable && pCmd->cf_physical_sg==0) {
1786 					FPSCAT_GATH sg1=tmpSg, sg2=pCmd->pSgTable;
1787 					do { *sg1++=*sg2; } while ((sg2++->wSgFlag & SG_FLAG_EOT)==0);
1788 				}
1789 				else {
1790 					if (!pCmd->pfnBuildSgl || !pCmd->pfnBuildSgl(_VBUS_P pCmd, tmpSg, 1)) {
1791 						pCmd->Result = RETURN_NEED_LOGICAL_SG;
1792 						goto finish_cmd;
1793 					}
1794 				}
1795 
1796 				do {
1797 					ULONG size = tmpSg->wSgSize? tmpSg->wSgSize : 0x10000;
1798 					ULONG_PTR addr = tmpSg->dSgAddress;
1799 					if (size & 0x1ff) {
1800 						pCmd->Result = RETURN_INVALID_REQUEST;
1801 						goto finish_cmd;
1802 					}
1803 					if (mvStorageDevATAExecuteNonUDMACommand(pMvSataAdapter, channel,
1804 						(pCmd->cf_data_out)?MV_NON_UDMA_PROTOCOL_PIO_DATA_OUT:MV_NON_UDMA_PROTOCOL_PIO_DATA_IN,
1805 						is48bit,
1806 						(MV_U16_PTR)addr,
1807 						size >> 1,	/* count       */
1808 						0,		/* features  N/A  */
1809 						(MV_U16)(size>>9),	/*sector count*/
1810 						(MV_U16)(  (is48bit? (MV_U16)((Lba >> 16) & 0xFF00) : 0 )  | (UCHAR)(Lba & 0xFF) ), /*lbalow*/
1811 						(MV_U16)((Lba >> 8) & 0xFF), /* lbaMid      */
1812 						(MV_U16)((Lba >> 16) & 0xFF),/* lbaHigh     */
1813 						(MV_U8)(0x40 | (is48bit ? 0 : (UCHAR)(Lba >> 24) & 0xFF )),/* device      */
1814 						(MV_U8)(is48bit ? (pCmd->cf_data_in?IDE_COMMAND_READ_EXT:IDE_COMMAND_WRITE_EXT):pCmd->uCmd.Ide.Command)
1815 					)==MV_FALSE)
1816 					{
1817 						pCmd->Result = RETURN_IDE_ERROR;
1818 						goto finish_cmd;
1819 					}
1820 					Lba += size>>9;
1821 					if(Lba & 0xF0000000) is48bit = MV_TRUE;
1822 				}
1823 				while ((tmpSg++->wSgFlag & SG_FLAG_EOT)==0);
1824 				pCmd->Result = RETURN_SUCCESS;
1825 finish_cmd:
1826 				mvSataEnableChannelDma(pMvSataAdapter,channel);
1827 				CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1828 				return;
1829 			}
1830 		}
1831 
1832 		pPRDTable = (MV_SATA_EDMA_PRD_ENTRY *) AllocatePRDTable(pMvSataAdapter->IALData);
1833 		KdPrint(("pPRDTable:%p\n",pPRDTable));
1834 		if (!pPRDTable) {
1835 			pCmd->Result = RETURN_DEVICE_BUSY;
1836 			CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1837 			HPT_ASSERT(0);
1838 			return;
1839 		}
1840 
1841 		do{
1842 			pPRDTable[i].highBaseAddr = (sizeof(tmpSg->dSgAddress)>4 ? (MV_U32)(tmpSg->dSgAddress>>32) : 0);
1843 			pPRDTable[i].flags = (MV_U16)tmpSg->wSgFlag;
1844 			pPRDTable[i].byteCount = (MV_U16)tmpSg->wSgSize;
1845 			pPRDTable[i].lowBaseAddr = (MV_U32)tmpSg->dSgAddress;
1846 			pPRDTable[i].reserved = 0;
1847 			i++;
1848 		}while((tmpSg++->wSgFlag & SG_FLAG_EOT)==0);
1849 
1850 		pUdmaParams->prdLowAddr = (ULONG)fOsPhysicalAddress(pPRDTable);
1851 		if ((pUdmaParams->numOfSectors == 256) && (pMvSataChannel->lba48Address == MV_FALSE)) {
1852 			pUdmaParams->numOfSectors = 0;
1853 		}
1854 
1855 		pCmd->uScratch.sata_param.prdAddr = (PVOID)pPRDTable;
1856 
1857 		result = mvSataQueueCommand(pMvSataAdapter, channel, &commandInfo);
1858 
1859 		if (result != MV_QUEUE_COMMAND_RESULT_OK)
1860 		{
1861 queue_failed:
1862 			switch (result)
1863 			{
1864 			case MV_QUEUE_COMMAND_RESULT_BAD_LBA_ADDRESS:
1865 				MV_ERROR("IAL Error: Edma Queue command failed. Bad LBA "
1866 						 "LBA[31:0](0x%08x)\n", pUdmaParams->lowLBAAddress);
1867 				pCmd->Result = RETURN_IDE_ERROR;
1868 				break;
1869 			case MV_QUEUE_COMMAND_RESULT_QUEUED_MODE_DISABLED:
1870 				MV_ERROR("IAL Error: Edma Queue command failed. EDMA"
1871 						 " disabled adapter %d channel %d\n",
1872 						 pMvSataAdapter->adapterId, channel);
1873 				mvSataEnableChannelDma(pMvSataAdapter,channel);
1874 				pCmd->Result = RETURN_IDE_ERROR;
1875 				break;
1876 			case MV_QUEUE_COMMAND_RESULT_FULL:
1877 				MV_ERROR("IAL Error: Edma Queue command failed. Queue is"
1878 						 " Full adapter %d channel %d\n",
1879 						 pMvSataAdapter->adapterId, channel);
1880 				pCmd->Result = RETURN_DEVICE_BUSY;
1881 				break;
1882 			case MV_QUEUE_COMMAND_RESULT_BAD_PARAMS:
1883 				MV_ERROR("IAL Error: Edma Queue command failed. (Bad "
1884 						 "Params), pMvSataAdapter: %p,  pSataChannel: %p.\n",
1885 						 pMvSataAdapter, pMvSataAdapter->sataChannel[channel]);
1886 				pCmd->Result = RETURN_IDE_ERROR;
1887 				break;
1888 			default:
1889 				MV_ERROR("IAL Error: Bad result value (%d) from queue"
1890 						 " command\n", result);
1891 				pCmd->Result = RETURN_IDE_ERROR;
1892 			}
1893 			if(pPRDTable)
1894 				FreePRDTable(pMvSataAdapter->IALData,pPRDTable);
1895 			CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1896 		}
1897 		pDevice->QueueLength++;
1898 		return;
1899 
1900 	case IDE_COMMAND_VERIFY:
1901 		commandInfo.type = MV_QUEUED_COMMAND_TYPE_NONE_UDMA;
1902 		pNoUdmaParams->bufPtr = NULL;
1903 		pNoUdmaParams->callBack = CommandCompletionCB;
1904 		pNoUdmaParams->commandId = (MV_VOID_PTR)pCmd;
1905 		pNoUdmaParams->count = 0;
1906 		pNoUdmaParams->features = 0;
1907 		pNoUdmaParams->protocolType = MV_NON_UDMA_PROTOCOL_NON_DATA;
1908 
1909 		pCmd->uScratch.sata_param.cmd_priv = 1;
1910 		if (pMvSataChannel->lba48Address == MV_TRUE){
1911 			pNoUdmaParams->command = MV_ATA_COMMAND_READ_VERIFY_SECTORS_EXT;
1912 			pNoUdmaParams->isEXT = MV_TRUE;
1913 			pNoUdmaParams->lbaHigh = (MV_U16)((Lba & 0xff0000) >> 16);
1914 			pNoUdmaParams->lbaMid = (MV_U16)((Lba & 0xff00) >> 8);
1915 			pNoUdmaParams->lbaLow =
1916 				(MV_U16)(((Lba & 0xff000000) >> 16)| (Lba & 0xff));
1917 			pNoUdmaParams->sectorCount = nSector;
1918 			pNoUdmaParams->device = 0x40;
1919 			result = mvSataQueueCommand(pMvSataAdapter, channel, &commandInfo);
1920 			if (result != MV_QUEUE_COMMAND_RESULT_OK){
1921 				goto queue_failed;
1922 			}
1923 			return;
1924 		}
1925 		else{
1926 			pNoUdmaParams->command = MV_ATA_COMMAND_READ_VERIFY_SECTORS;
1927 			pNoUdmaParams->isEXT = MV_FALSE;
1928 			pNoUdmaParams->lbaHigh = (MV_U16)((Lba & 0xff0000) >> 16);
1929 			pNoUdmaParams->lbaMid = (MV_U16)((Lba & 0xff00) >> 8);
1930 			pNoUdmaParams->lbaLow = (MV_U16)(Lba & 0xff);
1931 			pNoUdmaParams->sectorCount = 0xff & nSector;
1932 			pNoUdmaParams->device = (MV_U8)(0x40 |
1933 				((Lba & 0xf000000) >> 24));
1934 			pNoUdmaParams->callBack = CommandCompletionCB;
1935 			result = mvSataQueueCommand(pMvSataAdapter, channel, &commandInfo);
1936 			/*FIXME: how about the commands already queued? but marvel also forgets to consider this*/
1937 			if (result != MV_QUEUE_COMMAND_RESULT_OK){
1938 				goto queue_failed;
1939 			}
1940 		}
1941 		break;
1942 	default:
1943 		pCmd->Result = RETURN_INVALID_REQUEST;
1944 		CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1945 		break;
1946 	}
1947 }
1948 
1949 /**********************************************************
1950  *
1951  *	Probe the hostadapter.
1952  *
1953  **********************************************************/
1954 static int
1955 hpt_probe(device_t dev)
1956 {
1957 	if ((pci_get_vendor(dev) == MV_SATA_VENDOR_ID) &&
1958 		(pci_get_device(dev) == MV_SATA_DEVICE_ID_5081
1959 #ifdef FOR_DEMO
1960 		|| pci_get_device(dev) == MV_SATA_DEVICE_ID_5080
1961 #endif
1962 		))
1963 	{
1964 		KdPrintI((CONTROLLER_NAME " found\n"));
1965 		device_set_desc(dev, CONTROLLER_NAME);
1966 		return (BUS_PROBE_DEFAULT);
1967 	}
1968 	else
1969 		return(ENXIO);
1970 }
1971 
1972 /***********************************************************
1973  *
1974  *      Auto configuration:  attach and init a host adapter.
1975  *
1976  ***********************************************************/
1977 static int
1978 hpt_attach(device_t dev)
1979 {
1980 	IAL_ADAPTER_T * pAdapter = device_get_softc(dev);
1981 	int rid;
1982 	union ccb *ccb;
1983 	struct cam_devq *devq;
1984 	struct cam_sim *hpt_vsim;
1985 
1986 	device_printf(dev, "%s Version %s \n", DRIVER_NAME, DRIVER_VERSION);
1987 
1988 	pAdapter->hpt_dev = dev;
1989 
1990 	rid = init_adapter(pAdapter);
1991 	if (rid)
1992 		return rid;
1993 
1994 	rid = 0;
1995 	if ((pAdapter->hpt_irq = bus_alloc_resource_any(pAdapter->hpt_dev, SYS_RES_IRQ, &rid, RF_SHAREABLE | RF_ACTIVE)) == NULL)
1996 	{
1997 		hpt_printk(("can't allocate interrupt\n"));
1998 		return(ENXIO);
1999 	}
2000 
2001 	if (bus_setup_intr(pAdapter->hpt_dev, pAdapter->hpt_irq,
2002 				INTR_TYPE_CAM | INTR_MPSAFE,
2003 				NULL, hpt_intr, pAdapter, &pAdapter->hpt_intr))
2004 	{
2005 		hpt_printk(("can't set up interrupt\n"));
2006 		free(pAdapter, M_DEVBUF);
2007 		return(ENXIO);
2008 	}
2009 
2010 
2011 	if((ccb = (union ccb *)malloc(sizeof(*ccb), M_DEVBUF, M_WAITOK)) != (union ccb*)NULL)
2012 	{
2013 		bzero(ccb, sizeof(*ccb));
2014 		ccb->ccb_h.pinfo.priority = 1;
2015 		ccb->ccb_h.pinfo.index = CAM_UNQUEUED_INDEX;
2016 	}
2017 	else
2018 	{
2019 		return ENOMEM;
2020 	}
2021 	/*
2022 	 * Create the device queue for our SIM(s).
2023 	 */
2024 	if((devq = cam_simq_alloc(8/*MAX_QUEUE_COMM*/)) == NULL)
2025 	{
2026 		KdPrint(("ENXIO\n"));
2027 		return ENOMEM;
2028 	}
2029 
2030 	/*
2031 	 * Construct our SIM entry
2032 	 */
2033 	hpt_vsim = cam_sim_alloc(hpt_action, hpt_poll, __str(PROC_DIR_NAME),
2034 			pAdapter, device_get_unit(pAdapter->hpt_dev),
2035 			&pAdapter->lock, 1, 8, devq);
2036 	if (hpt_vsim == NULL) {
2037 		cam_simq_free(devq);
2038 		return ENOMEM;
2039 	}
2040 
2041 	mtx_lock(&pAdapter->lock);
2042 	if (xpt_bus_register(hpt_vsim, dev, 0) != CAM_SUCCESS)
2043 	{
2044 		cam_sim_free(hpt_vsim, /*free devq*/ TRUE);
2045 		mtx_unlock(&pAdapter->lock);
2046 		hpt_vsim = NULL;
2047 		return ENXIO;
2048 	}
2049 
2050 	if(xpt_create_path(&pAdapter->path, /*periph */ NULL,
2051 			cam_sim_path(hpt_vsim), CAM_TARGET_WILDCARD,
2052 			CAM_LUN_WILDCARD) != CAM_REQ_CMP)
2053 	{
2054 		xpt_bus_deregister(cam_sim_path(hpt_vsim));
2055 		cam_sim_free(hpt_vsim, /*free_devq*/TRUE);
2056 		mtx_unlock(&pAdapter->lock);
2057 		hpt_vsim = NULL;
2058 		return ENXIO;
2059 	}
2060 	mtx_unlock(&pAdapter->lock);
2061 
2062 	xpt_setup_ccb(&(ccb->ccb_h), pAdapter->path, /*priority*/5);
2063 	ccb->ccb_h.func_code = XPT_SASYNC_CB;
2064 	ccb->csa.event_enable = AC_LOST_DEVICE;
2065 	ccb->csa.callback = hpt_async;
2066 	ccb->csa.callback_arg = hpt_vsim;
2067 	xpt_action((union ccb *)ccb);
2068 	free(ccb, M_DEVBUF);
2069 
2070 	if (device_get_unit(dev) == 0) {
2071 		/* Start the work thread.  XXX */
2072 		launch_worker_thread();
2073 	}
2074 
2075 	return 0;
2076 }
2077 
2078 static int
2079 hpt_detach(device_t dev)
2080 {
2081 	return (EBUSY);
2082 }
2083 
2084 
2085 /***************************************************************
2086  * The poll function is used to simulate the interrupt when
2087  * the interrupt subsystem is not functioning.
2088  *
2089  ***************************************************************/
2090 static void
2091 hpt_poll(struct cam_sim *sim)
2092 {
2093 	IAL_ADAPTER_T *pAdapter;
2094 
2095 	pAdapter = cam_sim_softc(sim);
2096 
2097 	hpt_intr_locked((void *)cam_sim_softc(sim));
2098 }
2099 
2100 /****************************************************************
2101  *	Name:	hpt_intr
2102  *	Description:	Interrupt handler.
2103  ****************************************************************/
2104 static void
2105 hpt_intr(void *arg)
2106 {
2107 	IAL_ADAPTER_T *pAdapter;
2108 
2109 	pAdapter = arg;
2110 	mtx_lock(&pAdapter->lock);
2111 	hpt_intr_locked(pAdapter);
2112 	mtx_unlock(&pAdapter->lock);
2113 }
2114 
2115 static void
2116 hpt_intr_locked(IAL_ADAPTER_T *pAdapter)
2117 {
2118 
2119 	mtx_assert(&pAdapter->lock, MA_OWNED);
2120 	/* KdPrintI(("----- Entering Isr() -----\n")); */
2121 	if (mvSataInterruptServiceRoutine(&pAdapter->mvSataAdapter) == MV_TRUE)
2122 	{
2123 		_VBUS_INST(&pAdapter->VBus)
2124 		CheckPendingCall(_VBUS_P0);
2125 	}
2126 
2127 	/* KdPrintI(("----- Leaving Isr() -----\n")); */
2128 }
2129 
2130 /**********************************************************
2131  * 			Asynchronous Events
2132  *********************************************************/
2133 #if (!defined(UNREFERENCED_PARAMETER))
2134 #define UNREFERENCED_PARAMETER(x) (void)(x)
2135 #endif
2136 
2137 static void
2138 hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path,
2139     void * arg)
2140 {
2141 	/* debug XXXX */
2142 	panic("Here");
2143 	UNREFERENCED_PARAMETER(callback_arg);
2144 	UNREFERENCED_PARAMETER(code);
2145 	UNREFERENCED_PARAMETER(path);
2146 	UNREFERENCED_PARAMETER(arg);
2147 
2148 }
2149 
2150 static void
2151 FlushAdapter(IAL_ADAPTER_T *pAdapter)
2152 {
2153 	int i;
2154 
2155 	hpt_printk(("flush all devices\n"));
2156 
2157 	/* flush all devices */
2158 	for (i=0; i<MAX_VDEVICE_PER_VBUS; i++) {
2159 		PVDevice pVDev = pAdapter->VBus.pVDevice[i];
2160 		if(pVDev) fFlushVDev(pVDev);
2161 	}
2162 }
2163 
2164 static int
2165 hpt_shutdown(device_t dev)
2166 {
2167 		IAL_ADAPTER_T *pAdapter;
2168 
2169 		pAdapter = device_get_softc(dev);
2170 
2171 		EVENTHANDLER_DEREGISTER(shutdown_final, pAdapter->eh);
2172 		mtx_lock(&pAdapter->lock);
2173 		FlushAdapter(pAdapter);
2174 		mtx_unlock(&pAdapter->lock);
2175 		  /* give the flush some time to happen,
2176 		    *otherwise "shutdown -p now" will make file system corrupted */
2177 		DELAY(1000 * 1000 * 5);
2178 		return 0;
2179 }
2180 
2181 void
2182 Check_Idle_Call(IAL_ADAPTER_T *pAdapter)
2183 {
2184 	_VBUS_INST(&pAdapter->VBus)
2185 
2186 	if (mWaitingForIdle(_VBUS_P0)) {
2187 		CheckIdleCall(_VBUS_P0);
2188 #ifdef SUPPORT_ARRAY
2189 		{
2190 			int i;
2191 			PVDevice pArray;
2192 			for(i = 0; i < MAX_ARRAY_PER_VBUS; i++){
2193 				if ((pArray=ArrayTables(i))->u.array.dArStamp==0)
2194 					continue;
2195 				else if (pArray->u.array.rf_auto_rebuild) {
2196 						KdPrint(("auto rebuild.\n"));
2197 						pArray->u.array.rf_auto_rebuild = 0;
2198 						hpt_queue_dpc((HPT_DPC)hpt_rebuild_data_block, pAdapter, pArray, DUPLICATE);
2199 				}
2200 			}
2201 		}
2202 #endif
2203 	}
2204 	/* launch the awaiting commands blocked by mWaitingForIdle */
2205 	while(pAdapter->pending_Q!= NULL)
2206 	{
2207 		_VBUS_INST(&pAdapter->VBus)
2208 		union ccb *ccb = (union ccb *)pAdapter->pending_Q->ccb_h.ccb_ccb_ptr;
2209 		hpt_free_ccb(&pAdapter->pending_Q, ccb);
2210 		CallAfterReturn(_VBUS_P (DPC_PROC)OsSendCommand, ccb);
2211 	}
2212 }
2213 
2214 static void
2215 ccb_done(union ccb *ccb)
2216 {
2217 	PBUS_DMAMAP pmap = (PBUS_DMAMAP)ccb->ccb_adapter;
2218 	IAL_ADAPTER_T * pAdapter = pmap->pAdapter;
2219 	KdPrintI(("ccb_done: ccb %p status %x\n", ccb, ccb->ccb_h.status));
2220 
2221 	dmamap_put(pmap);
2222 	xpt_done(ccb);
2223 
2224 	pAdapter->outstandingCommands--;
2225 
2226 	if (pAdapter->outstandingCommands == 0)
2227 	{
2228 		if(DPC_Request_Nums == 0)
2229 			Check_Idle_Call(pAdapter);
2230 		wakeup(pAdapter);
2231 	}
2232 }
2233 
2234 /****************************************************************
2235  *	Name:	hpt_action
2236  *	Description:	Process a queued command from the CAM layer.
2237  *	Parameters:		sim - Pointer to SIM object
2238  *					ccb - Pointer to SCSI command structure.
2239  ****************************************************************/
2240 
2241 void
2242 hpt_action(struct cam_sim *sim, union ccb *ccb)
2243 {
2244 	IAL_ADAPTER_T * pAdapter = (IAL_ADAPTER_T *) cam_sim_softc(sim);
2245 	PBUS_DMAMAP  pmap;
2246 	_VBUS_INST(&pAdapter->VBus)
2247 
2248 	mtx_assert(&pAdapter->lock, MA_OWNED);
2249 	CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("hpt_action\n"));
2250 	KdPrint(("hpt_action(%lx,%lx{%x})\n", (u_long)sim, (u_long)ccb, ccb->ccb_h.func_code));
2251 
2252 	switch (ccb->ccb_h.func_code)
2253 	{
2254 		case XPT_SCSI_IO:	/* Execute the requested I/O operation */
2255 		{
2256 			/* ccb->ccb_h.path_id is not our bus id - don't check it */
2257 
2258 			if (ccb->ccb_h.target_lun)	{
2259 				ccb->ccb_h.status = CAM_LUN_INVALID;
2260 				xpt_done(ccb);
2261 				return;
2262 			}
2263 			if (ccb->ccb_h.target_id >= MAX_VDEVICE_PER_VBUS ||
2264 				pAdapter->VBus.pVDevice[ccb->ccb_h.target_id]==0) {
2265 				ccb->ccb_h.status = CAM_TID_INVALID;
2266 				xpt_done(ccb);
2267 				return;
2268 			}
2269 
2270 			if (pAdapter->outstandingCommands==0 && DPC_Request_Nums==0)
2271 				Check_Idle_Call(pAdapter);
2272 
2273 			pmap = dmamap_get(pAdapter);
2274 			HPT_ASSERT(pmap);
2275 			ccb->ccb_adapter = pmap;
2276 			memset((void *)pmap->psg, 0,  sizeof(pmap->psg));
2277 
2278 			if (mWaitingForIdle(_VBUS_P0))
2279 				hpt_queue_ccb(&pAdapter->pending_Q, ccb);
2280 			else
2281 				OsSendCommand(_VBUS_P ccb);
2282 
2283 			/* KdPrint(("leave scsiio\n")); */
2284 			break;
2285 		}
2286 
2287 		case XPT_RESET_BUS:
2288 			KdPrint(("reset bus\n"));
2289 			fResetVBus(_VBUS_P0);
2290 			xpt_done(ccb);
2291 			break;
2292 
2293 		case XPT_RESET_DEV:	/* Bus Device Reset the specified SCSI device */
2294 		case XPT_ABORT:			/* Abort the specified CCB */
2295 		case XPT_TERM_IO:		/* Terminate the I/O process */
2296 			/* XXX Implement */
2297 			ccb->ccb_h.status = CAM_REQ_INVALID;
2298 			xpt_done(ccb);
2299 			break;
2300 
2301 		case XPT_GET_TRAN_SETTINGS:
2302 		case XPT_SET_TRAN_SETTINGS:
2303 			/* XXX Implement */
2304 			ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
2305 			xpt_done(ccb);
2306 			break;
2307 
2308 		case XPT_CALC_GEOMETRY:
2309 			cam_calc_geometry(&ccb->ccg, 1);
2310 			xpt_done(ccb);
2311 			break;
2312 
2313 		case XPT_PATH_INQ:		/* Path routing inquiry */
2314 		{
2315 			struct ccb_pathinq *cpi = &ccb->cpi;
2316 
2317 			cpi->version_num = 1; /* XXX??? */
2318 			cpi->hba_inquiry = PI_SDTR_ABLE;
2319 			cpi->target_sprt = 0;
2320 			/* Not necessary to reset bus */
2321 			cpi->hba_misc = PIM_NOBUSRESET;
2322 			cpi->hba_eng_cnt = 0;
2323 
2324 			cpi->max_target = MAX_VDEVICE_PER_VBUS;
2325 			cpi->max_lun = 0;
2326 			cpi->initiator_id = MAX_VDEVICE_PER_VBUS;
2327 
2328 			cpi->bus_id = cam_sim_bus(sim);
2329 			cpi->base_transfer_speed = 3300;
2330 			strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
2331 			strlcpy(cpi->hba_vid, "HPT   ", HBA_IDLEN);
2332 			strlcpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
2333 			cpi->unit_number = cam_sim_unit(sim);
2334 			cpi->transport = XPORT_SPI;
2335 			cpi->transport_version = 2;
2336 			cpi->protocol = PROTO_SCSI;
2337 			cpi->protocol_version = SCSI_REV_2;
2338 			cpi->ccb_h.status = CAM_REQ_CMP;
2339 			xpt_done(ccb);
2340 			break;
2341 		}
2342 
2343 		default:
2344 			KdPrint(("invalid cmd\n"));
2345 			ccb->ccb_h.status = CAM_REQ_INVALID;
2346 			xpt_done(ccb);
2347 			break;
2348 	}
2349 	/* KdPrint(("leave hpt_action..............\n")); */
2350 }
2351 
2352 /* shall be called at lock_driver() */
2353 static void
2354 hpt_queue_ccb(union ccb **ccb_Q, union ccb *ccb)
2355 {
2356 	if(*ccb_Q == NULL)
2357 		ccb->ccb_h.ccb_ccb_ptr = ccb;
2358 	else {
2359 		ccb->ccb_h.ccb_ccb_ptr = (*ccb_Q)->ccb_h.ccb_ccb_ptr;
2360 		(*ccb_Q)->ccb_h.ccb_ccb_ptr = (char *)ccb;
2361 	}
2362 
2363 	*ccb_Q = ccb;
2364 }
2365 
2366 /* shall be called at lock_driver() */
2367 static void
2368 hpt_free_ccb(union ccb **ccb_Q, union ccb *ccb)
2369 {
2370 	union ccb *TempCCB;
2371 
2372 	TempCCB = *ccb_Q;
2373 
2374 	if(ccb->ccb_h.ccb_ccb_ptr == ccb) /*it means SCpnt is the last one in CURRCMDs*/
2375 		*ccb_Q = NULL;
2376 	else {
2377 		while(TempCCB->ccb_h.ccb_ccb_ptr != (char *)ccb)
2378 			TempCCB = (union ccb *)TempCCB->ccb_h.ccb_ccb_ptr;
2379 
2380 		TempCCB->ccb_h.ccb_ccb_ptr = ccb->ccb_h.ccb_ccb_ptr;
2381 
2382 		if(*ccb_Q == ccb)
2383 			*ccb_Q = TempCCB;
2384 	}
2385 }
2386 
2387 #ifdef SUPPORT_ARRAY
2388 /***************************************************************************
2389  * Function:     hpt_worker_thread
2390  * Description:  Do background rebuilding. Execute in kernel thread context.
2391  * Returns:      None
2392  ***************************************************************************/
2393 static void hpt_worker_thread(void)
2394 {
2395 
2396 	for(;;)	{
2397 		mtx_lock(&DpcQueue_Lock);
2398 		while (DpcQueue_First!=DpcQueue_Last) {
2399 			ST_HPT_DPC p;
2400 			p = DpcQueue[DpcQueue_First];
2401 			DpcQueue_First++;
2402 			DpcQueue_First %= MAX_DPC;
2403 			DPC_Request_Nums++;
2404 			mtx_unlock(&DpcQueue_Lock);
2405 			p.dpc(p.pAdapter, p.arg, p.flags);
2406 
2407 			mtx_lock(&p.pAdapter->lock);
2408 			mtx_lock(&DpcQueue_Lock);
2409 			DPC_Request_Nums--;
2410 			/* since we may have prevented Check_Idle_Call, do it here */
2411 			if (DPC_Request_Nums==0) {
2412 				if (p.pAdapter->outstandingCommands == 0) {
2413 					_VBUS_INST(&p.pAdapter->VBus);
2414 					Check_Idle_Call(p.pAdapter);
2415 					CheckPendingCall(_VBUS_P0);
2416 				}
2417 			}
2418 			mtx_unlock(&p.pAdapter->lock);
2419 			mtx_unlock(&DpcQueue_Lock);
2420 
2421 			/*Schedule out*/
2422 			if (SIGISMEMBER(curproc->p_siglist, SIGSTOP)) {
2423 				/* abort rebuilding process. */
2424 				IAL_ADAPTER_T *pAdapter;
2425 				PVDevice      pArray;
2426 				PVBus         _vbus_p;
2427 				int i;
2428 
2429 				sx_slock(&hptmv_list_lock);
2430 				pAdapter = gIal_Adapter;
2431 
2432 				while(pAdapter != NULL){
2433 					mtx_lock(&pAdapter->lock);
2434 					_vbus_p = &pAdapter->VBus;
2435 
2436 					for (i=0;i<MAX_ARRAY_PER_VBUS;i++)
2437 					{
2438 						if ((pArray=ArrayTables(i))->u.array.dArStamp==0)
2439 							continue;
2440 						else if (pArray->u.array.rf_rebuilding ||
2441 								pArray->u.array.rf_verifying ||
2442 								pArray->u.array.rf_initializing)
2443 							{
2444 								pArray->u.array.rf_abort_rebuild = 1;
2445 							}
2446 					}
2447 					mtx_unlock(&pAdapter->lock);
2448 					pAdapter = pAdapter->next;
2449 				}
2450 				sx_sunlock(&hptmv_list_lock);
2451 			}
2452 			mtx_lock(&DpcQueue_Lock);
2453 		}
2454 		mtx_unlock(&DpcQueue_Lock);
2455 
2456 /*Remove this debug option*/
2457 /*
2458 #ifdef DEBUG
2459 		if (SIGISMEMBER(curproc->p_siglist, SIGSTOP))
2460 			pause("hptrdy", 2*hz);
2461 #endif
2462 */
2463 		kproc_suspend_check(curproc);
2464 		pause("-", 2*hz);  /* wait for something to do */
2465 	}
2466 }
2467 
2468 static struct proc *hptdaemonproc;
2469 static struct kproc_desc hpt_kp = {
2470 	"hpt_wt",
2471 	hpt_worker_thread,
2472 	&hptdaemonproc
2473 };
2474 
2475 /*Start this thread in the hpt_attach, to prevent kernel from loading it without our controller.*/
2476 static void
2477 launch_worker_thread(void)
2478 {
2479 	IAL_ADAPTER_T *pAdapTemp;
2480 
2481 	kproc_start(&hpt_kp);
2482 
2483 	sx_slock(&hptmv_list_lock);
2484 	for (pAdapTemp = gIal_Adapter; pAdapTemp; pAdapTemp = pAdapTemp->next) {
2485 
2486 		_VBUS_INST(&pAdapTemp->VBus)
2487 		int i;
2488 		PVDevice pVDev;
2489 
2490 		for(i = 0; i < MAX_ARRAY_PER_VBUS; i++)
2491 			if ((pVDev=ArrayTables(i))->u.array.dArStamp==0)
2492 				continue;
2493 			else{
2494 				if (pVDev->u.array.rf_need_rebuild && !pVDev->u.array.rf_rebuilding)
2495 					hpt_queue_dpc((HPT_DPC)hpt_rebuild_data_block, pAdapTemp, pVDev,
2496 					(UCHAR)((pVDev->u.array.CriticalMembers || pVDev->VDeviceType == VD_RAID_1)? DUPLICATE : REBUILD_PARITY));
2497 			}
2498 	}
2499 	sx_sunlock(&hptmv_list_lock);
2500 
2501 	/*
2502 	 * hpt_worker_thread needs to be suspended after shutdown sync, when fs sync finished.
2503 	 */
2504 	EVENTHANDLER_REGISTER(shutdown_post_sync, kproc_shutdown, hptdaemonproc,
2505 	    SHUTDOWN_PRI_LAST);
2506 }
2507 /*
2508  *SYSINIT(hptwt, SI_SUB_KTHREAD_IDLE, SI_ORDER_FIRST, launch_worker_thread, NULL);
2509 */
2510 
2511 #endif
2512 
2513 /********************************************************************************/
2514 
2515 int HPTLIBAPI fOsBuildSgl(_VBUS_ARG PCommand pCmd, FPSCAT_GATH pSg, int logical)
2516 {
2517 	union ccb *ccb = (union ccb *)pCmd->pOrgCommand;
2518 
2519 	if (logical) {
2520 		pSg->dSgAddress = (ULONG_PTR)(UCHAR *)ccb->csio.data_ptr;
2521 		pSg->wSgSize = ccb->csio.dxfer_len;
2522 		pSg->wSgFlag = SG_FLAG_EOT;
2523 		return TRUE;
2524 	}
2525 	/* since we have provided physical sg, nobody will ask us to build physical sg */
2526 	HPT_ASSERT(0);
2527 	return FALSE;
2528 }
2529 
2530 /*******************************************************************************/
2531 ULONG HPTLIBAPI
2532 GetStamp(void)
2533 {
2534 	/*
2535 	 * the system variable, ticks, can't be used since it hasn't yet been active
2536 	 * when our driver starts (ticks==0, it's a invalid stamp value)
2537 	 */
2538 	ULONG stamp;
2539 	do { stamp = random(); } while (stamp==0);
2540 	return stamp;
2541 }
2542 
2543 
2544 static void
2545 SetInquiryData(PINQUIRYDATA inquiryData, PVDevice pVDev)
2546 {
2547 	int i;
2548 	IDENTIFY_DATA2 *pIdentify = (IDENTIFY_DATA2*)pVDev->u.disk.mv->identifyDevice;
2549 
2550 	inquiryData->DeviceType = T_DIRECT; /*DIRECT_ACCESS_DEVICE*/
2551 	inquiryData->AdditionalLength = (UCHAR)(sizeof(INQUIRYDATA) - 5);
2552 #ifndef SERIAL_CMDS
2553 	inquiryData->CommandQueue = 1;
2554 #endif
2555 
2556 	switch(pVDev->VDeviceType) {
2557 	case VD_SINGLE_DISK:
2558 	case VD_ATAPI:
2559 	case VD_REMOVABLE:
2560 		/* Set the removable bit, if applicable. */
2561 		if ((pVDev->u.disk.df_removable_drive) || (pIdentify->GeneralConfiguration & 0x80))
2562 			inquiryData->RemovableMedia = 1;
2563 
2564 		/* Fill in vendor identification fields. */
2565 		for (i = 0; i < 20; i += 2) {
2566 			inquiryData->VendorId[i] 	= ((PUCHAR)pIdentify->ModelNumber)[i + 1];
2567 			inquiryData->VendorId[i+1] 	= ((PUCHAR)pIdentify->ModelNumber)[i];
2568 
2569 		}
2570 
2571 		/* Initialize unused portion of product id. */
2572 		for (i = 0; i < 4; i++) inquiryData->ProductId[12+i] = ' ';
2573 
2574 		/* firmware revision */
2575 		for (i = 0; i < 4; i += 2)
2576 		{
2577 			inquiryData->ProductRevisionLevel[i] 	= ((PUCHAR)pIdentify->FirmwareRevision)[i+1];
2578 			inquiryData->ProductRevisionLevel[i+1] 	= ((PUCHAR)pIdentify->FirmwareRevision)[i];
2579 		}
2580 		break;
2581 	default:
2582 		memcpy(&inquiryData->VendorId, "RR18xx  ", 8);
2583 #ifdef SUPPORT_ARRAY
2584 		switch(pVDev->VDeviceType){
2585 		case VD_RAID_0:
2586 			if ((pVDev->u.array.pMember[0] && mIsArray(pVDev->u.array.pMember[0])) ||
2587 				(pVDev->u.array.pMember[1] && mIsArray(pVDev->u.array.pMember[1])))
2588 				memcpy(&inquiryData->ProductId, "RAID 1/0 Array  ", 16);
2589 			else
2590 				memcpy(&inquiryData->ProductId, "RAID 0 Array    ", 16);
2591 			break;
2592 		case VD_RAID_1:
2593 			if ((pVDev->u.array.pMember[0] && mIsArray(pVDev->u.array.pMember[0])) ||
2594 				(pVDev->u.array.pMember[1] && mIsArray(pVDev->u.array.pMember[1])))
2595 				memcpy(&inquiryData->ProductId, "RAID 0/1 Array  ", 16);
2596 			else
2597 				memcpy(&inquiryData->ProductId, "RAID 1 Array    ", 16);
2598 			break;
2599 		case VD_RAID_5:
2600 			memcpy(&inquiryData->ProductId, "RAID 5 Array    ", 16);
2601 			break;
2602 		case VD_JBOD:
2603 			memcpy(&inquiryData->ProductId, "JBOD Array      ", 16);
2604 			break;
2605 		}
2606 #endif
2607 		memcpy(&inquiryData->ProductRevisionLevel, "3.00", 4);
2608 		break;
2609 	}
2610 }
2611 
2612 static void
2613 hpt_timeout(void *arg)
2614 {
2615 	PBUS_DMAMAP pmap = (PBUS_DMAMAP)((union ccb *)arg)->ccb_adapter;
2616 	IAL_ADAPTER_T *pAdapter = pmap->pAdapter;
2617 	_VBUS_INST(&pAdapter->VBus)
2618 
2619 	mtx_assert(&pAdapter->lock, MA_OWNED);
2620 	fResetVBus(_VBUS_P0);
2621 }
2622 
2623 static void
2624 hpt_io_dmamap_callback(void *arg, bus_dma_segment_t *segs, int nsegs, int error)
2625 {
2626 	PCommand pCmd = (PCommand)arg;
2627 	union ccb *ccb = pCmd->pOrgCommand;
2628 	struct ccb_hdr *ccb_h = &ccb->ccb_h;
2629 	PBUS_DMAMAP pmap = (PBUS_DMAMAP) ccb->ccb_adapter;
2630 	IAL_ADAPTER_T *pAdapter = pmap->pAdapter;
2631 	PVDevice	pVDev = pAdapter->VBus.pVDevice[ccb_h->target_id];
2632 	FPSCAT_GATH psg = pCmd->pSgTable;
2633 	int idx;
2634 	_VBUS_INST(pVDev->pVBus)
2635 
2636 	HPT_ASSERT(pCmd->cf_physical_sg);
2637 
2638 	if (error)
2639 		panic("busdma error");
2640 
2641 	HPT_ASSERT(nsegs<= MAX_SG_DESCRIPTORS);
2642 
2643 	if (nsegs != 0) {
2644 		for (idx = 0; idx < nsegs; idx++, psg++) {
2645 			psg->dSgAddress = (ULONG_PTR)(UCHAR *)segs[idx].ds_addr;
2646 			psg->wSgSize = segs[idx].ds_len;
2647 			psg->wSgFlag = (idx == nsegs-1)? SG_FLAG_EOT: 0;
2648 	/*		KdPrint(("psg[%d]:add=%p,size=%x,flag=%x\n", idx, psg->dSgAddress,psg->wSgSize,psg->wSgFlag)); */
2649 		}
2650 		/*	psg[-1].wSgFlag = SG_FLAG_EOT; */
2651 
2652 		if (pCmd->cf_data_in) {
2653 			bus_dmamap_sync(pAdapter->io_dma_parent, pmap->dma_map,
2654 			    BUS_DMASYNC_PREREAD);
2655 		}
2656 		else if (pCmd->cf_data_out) {
2657 			bus_dmamap_sync(pAdapter->io_dma_parent, pmap->dma_map,
2658 			    BUS_DMASYNC_PREWRITE);
2659 		}
2660 	}
2661 
2662 	callout_reset(&pmap->timeout, 20 * hz, hpt_timeout, ccb);
2663 	pVDev->pfnSendCommand(_VBUS_P pCmd);
2664 	CheckPendingCall(_VBUS_P0);
2665 }
2666 
2667 
2668 
2669 static void HPTLIBAPI
2670 OsSendCommand(_VBUS_ARG union ccb *ccb)
2671 {
2672 	PBUS_DMAMAP pmap = (PBUS_DMAMAP)ccb->ccb_adapter;
2673 	IAL_ADAPTER_T *pAdapter = pmap->pAdapter;
2674 	struct ccb_hdr *ccb_h = &ccb->ccb_h;
2675 	struct ccb_scsiio *csio = &ccb->csio;
2676 	PVDevice	pVDev = pAdapter->VBus.pVDevice[ccb_h->target_id];
2677 
2678 	KdPrintI(("OsSendCommand: ccb %p  cdb %x-%x-%x\n",
2679 		ccb,
2680 		*(ULONG *)&ccb->csio.cdb_io.cdb_bytes[0],
2681 		*(ULONG *)&ccb->csio.cdb_io.cdb_bytes[4],
2682 		*(ULONG *)&ccb->csio.cdb_io.cdb_bytes[8]
2683 	));
2684 
2685 	pAdapter->outstandingCommands++;
2686 
2687 	if (pVDev == NULL || pVDev->vf_online == 0) {
2688 		ccb->ccb_h.status = CAM_REQ_INVALID;
2689 		ccb_done(ccb);
2690 		goto Command_Complished;
2691 	}
2692 
2693 	switch(ccb->csio.cdb_io.cdb_bytes[0])
2694 	{
2695 		case TEST_UNIT_READY:
2696 		case START_STOP_UNIT:
2697 		case SYNCHRONIZE_CACHE:
2698 			/* FALLTHROUGH */
2699 			ccb->ccb_h.status = CAM_REQ_CMP;
2700 			break;
2701 
2702 		case INQUIRY:
2703 			ZeroMemory(ccb->csio.data_ptr, ccb->csio.dxfer_len);
2704 			SetInquiryData((PINQUIRYDATA)ccb->csio.data_ptr, pVDev);
2705 			ccb_h->status = CAM_REQ_CMP;
2706 			break;
2707 
2708 		case READ_CAPACITY:
2709 		{
2710 			UCHAR *rbuf=csio->data_ptr;
2711 			unsigned int cap;
2712 
2713 			if (pVDev->VDeviceCapacity > 0xfffffffful) {
2714 				cap = 0xfffffffful;
2715 			} else {
2716 				cap = pVDev->VDeviceCapacity - 1;
2717 			}
2718 
2719 			rbuf[0] = (UCHAR)(cap>>24);
2720 			rbuf[1] = (UCHAR)(cap>>16);
2721 			rbuf[2] = (UCHAR)(cap>>8);
2722 			rbuf[3] = (UCHAR)cap;
2723 			/* Claim 512 byte blocks (big-endian). */
2724 			rbuf[4] = 0;
2725 			rbuf[5] = 0;
2726 			rbuf[6] = 2;
2727 			rbuf[7] = 0;
2728 
2729 			ccb_h->status = CAM_REQ_CMP;
2730 			break;
2731 		}
2732 
2733 		case 0x9e: /*SERVICE_ACTION_IN*/
2734 		{
2735 			UCHAR *rbuf = csio->data_ptr;
2736 			LBA_T cap = pVDev->VDeviceCapacity - 1;
2737 
2738 			rbuf[0] = (UCHAR)(cap>>56);
2739 			rbuf[1] = (UCHAR)(cap>>48);
2740 			rbuf[2] = (UCHAR)(cap>>40);
2741 			rbuf[3] = (UCHAR)(cap>>32);
2742 			rbuf[4] = (UCHAR)(cap>>24);
2743 			rbuf[5] = (UCHAR)(cap>>16);
2744 			rbuf[6] = (UCHAR)(cap>>8);
2745 			rbuf[7] = (UCHAR)cap;
2746 			rbuf[8] = 0;
2747 			rbuf[9] = 0;
2748 			rbuf[10] = 2;
2749 			rbuf[11] = 0;
2750 
2751 			ccb_h->status = CAM_REQ_CMP;
2752 			break;
2753 		}
2754 
2755 		case READ_6:
2756 		case WRITE_6:
2757 		case READ_10:
2758 		case WRITE_10:
2759 		case 0x88: /* READ_16 */
2760 		case 0x8a: /* WRITE_16 */
2761 		case 0x13:
2762 		case 0x2f:
2763 		{
2764 			UCHAR Cdb[16];
2765 			UCHAR CdbLength;
2766 			_VBUS_INST(pVDev->pVBus)
2767 			PCommand pCmd = AllocateCommand(_VBUS_P0);
2768 			int error;
2769 			HPT_ASSERT(pCmd);
2770 
2771 			CdbLength = csio->cdb_len;
2772 			if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0)
2773 			{
2774 				if ((ccb->ccb_h.flags & CAM_CDB_PHYS) == 0)
2775 				{
2776 					bcopy(csio->cdb_io.cdb_ptr, Cdb, CdbLength);
2777 				}
2778 				else
2779 				{
2780 					KdPrintE(("ERROR!!!\n"));
2781 					ccb->ccb_h.status = CAM_REQ_INVALID;
2782 					break;
2783 				}
2784 			}
2785 			else
2786 			{
2787 				bcopy(csio->cdb_io.cdb_bytes, Cdb, CdbLength);
2788 			}
2789 
2790 			pCmd->pOrgCommand = ccb;
2791 			pCmd->pVDevice = pVDev;
2792 			pCmd->pfnCompletion = fOsCommandDone;
2793 			pCmd->pfnBuildSgl = fOsBuildSgl;
2794 			pCmd->pSgTable = pmap->psg;
2795 
2796 			switch (Cdb[0])
2797 			{
2798 				case READ_6:
2799 				case WRITE_6:
2800 				case 0x13:
2801 					pCmd->uCmd.Ide.Lba =  ((ULONG)Cdb[1] << 16) | ((ULONG)Cdb[2] << 8) | (ULONG)Cdb[3];
2802 					pCmd->uCmd.Ide.nSectors = (USHORT) Cdb[4];
2803 					break;
2804 
2805 				case 0x88: /* READ_16 */
2806 				case 0x8a: /* WRITE_16 */
2807 					pCmd->uCmd.Ide.Lba =
2808 						(HPT_U64)Cdb[2] << 56 |
2809 						(HPT_U64)Cdb[3] << 48 |
2810 						(HPT_U64)Cdb[4] << 40 |
2811 						(HPT_U64)Cdb[5] << 32 |
2812 						(HPT_U64)Cdb[6] << 24 |
2813 						(HPT_U64)Cdb[7] << 16 |
2814 						(HPT_U64)Cdb[8] << 8 |
2815 						(HPT_U64)Cdb[9];
2816 					pCmd->uCmd.Ide.nSectors = (USHORT)Cdb[12] << 8 | (USHORT)Cdb[13];
2817 					break;
2818 
2819 				default:
2820 					pCmd->uCmd.Ide.Lba = (ULONG)Cdb[5] | ((ULONG)Cdb[4] << 8) | ((ULONG)Cdb[3] << 16) | ((ULONG)Cdb[2] << 24);
2821 					pCmd->uCmd.Ide.nSectors = (USHORT) Cdb[8] | ((USHORT)Cdb[7]<<8);
2822 					break;
2823 			}
2824 
2825 			switch (Cdb[0])
2826 			{
2827 				case READ_6:
2828 				case READ_10:
2829 				case 0x88: /* READ_16 */
2830 					pCmd->uCmd.Ide.Command = IDE_COMMAND_READ;
2831 					pCmd->cf_data_in = 1;
2832 					break;
2833 
2834 				case WRITE_6:
2835 				case WRITE_10:
2836 				case 0x8a: /* WRITE_16 */
2837 					pCmd->uCmd.Ide.Command = IDE_COMMAND_WRITE;
2838 					pCmd->cf_data_out = 1;
2839 					break;
2840 				case 0x13:
2841 				case 0x2f:
2842 					pCmd->uCmd.Ide.Command = IDE_COMMAND_VERIFY;
2843 					break;
2844 			}
2845 /*///////////////////////// */
2846 			pCmd->cf_physical_sg = 1;
2847 			error = bus_dmamap_load_ccb(pAdapter->io_dma_parent,
2848 						    pmap->dma_map,
2849 						    ccb,
2850 						    hpt_io_dmamap_callback,
2851 						    pCmd, BUS_DMA_WAITOK
2852 						    );
2853 			KdPrint(("bus_dmamap_load return %d\n", error));
2854 			if (error && error!=EINPROGRESS) {
2855 				hpt_printk(("bus_dmamap_load error %d\n", error));
2856 				FreeCommand(_VBUS_P pCmd);
2857 				ccb->ccb_h.status = CAM_REQ_CMP_ERR;
2858 				dmamap_put(pmap);
2859 				pAdapter->outstandingCommands--;
2860 				if (pAdapter->outstandingCommands == 0)
2861 					wakeup(pAdapter);
2862 				xpt_done(ccb);
2863 			}
2864 			goto Command_Complished;
2865 		}
2866 
2867 		default:
2868 			ccb->ccb_h.status = CAM_REQ_INVALID;
2869 			break;
2870 	}
2871 	ccb_done(ccb);
2872 Command_Complished:
2873 	CheckPendingCall(_VBUS_P0);
2874 	return;
2875 }
2876 
2877 static void HPTLIBAPI
2878 fOsCommandDone(_VBUS_ARG PCommand pCmd)
2879 {
2880 	union ccb *ccb = pCmd->pOrgCommand;
2881 	PBUS_DMAMAP pmap = (PBUS_DMAMAP)ccb->ccb_adapter;
2882 	IAL_ADAPTER_T *pAdapter = pmap->pAdapter;
2883 
2884 	KdPrint(("fOsCommandDone(pcmd=%p, result=%d)\n", pCmd, pCmd->Result));
2885 
2886 	callout_stop(&pmap->timeout);
2887 
2888 	switch(pCmd->Result) {
2889 	case RETURN_SUCCESS:
2890 		ccb->ccb_h.status = CAM_REQ_CMP;
2891 		break;
2892 	case RETURN_BAD_DEVICE:
2893 		ccb->ccb_h.status = CAM_DEV_NOT_THERE;
2894 		break;
2895 	case RETURN_DEVICE_BUSY:
2896 		ccb->ccb_h.status = CAM_BUSY;
2897 		break;
2898 	case RETURN_INVALID_REQUEST:
2899 		ccb->ccb_h.status = CAM_REQ_INVALID;
2900 		break;
2901 	case RETURN_SELECTION_TIMEOUT:
2902 		ccb->ccb_h.status = CAM_SEL_TIMEOUT;
2903 		break;
2904 	case RETURN_RETRY:
2905 		ccb->ccb_h.status = CAM_BUSY;
2906 		break;
2907 	default:
2908 		ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR;
2909 		break;
2910 	}
2911 
2912 	if (pCmd->cf_data_in) {
2913 		bus_dmamap_sync(pAdapter->io_dma_parent, pmap->dma_map, BUS_DMASYNC_POSTREAD);
2914 	}
2915 	else if (pCmd->cf_data_out) {
2916 		bus_dmamap_sync(pAdapter->io_dma_parent, pmap->dma_map, BUS_DMASYNC_POSTWRITE);
2917 	}
2918 
2919 	bus_dmamap_unload(pAdapter->io_dma_parent, pmap->dma_map);
2920 
2921 	FreeCommand(_VBUS_P pCmd);
2922 	ccb_done(ccb);
2923 }
2924 
2925 int
2926 hpt_queue_dpc(HPT_DPC dpc, IAL_ADAPTER_T * pAdapter, void *arg, UCHAR flags)
2927 {
2928 	int p;
2929 
2930 	mtx_lock(&DpcQueue_Lock);
2931 	p = (DpcQueue_Last + 1) % MAX_DPC;
2932 	if (p==DpcQueue_First) {
2933 		KdPrint(("DPC Queue full!\n"));
2934 		mtx_unlock(&DpcQueue_Lock);
2935 		return -1;
2936 	}
2937 
2938 	DpcQueue[DpcQueue_Last].dpc = dpc;
2939 	DpcQueue[DpcQueue_Last].pAdapter = pAdapter;
2940 	DpcQueue[DpcQueue_Last].arg = arg;
2941 	DpcQueue[DpcQueue_Last].flags = flags;
2942 	DpcQueue_Last = p;
2943 	mtx_unlock(&DpcQueue_Lock);
2944 
2945 	return 0;
2946 }
2947 
2948 #ifdef _RAID5N_
2949 /*
2950  * Allocate memory above 16M, otherwise we may eat all low memory for ISA devices.
2951  * How about the memory for 5081 request/response array and PRD table?
2952  */
2953 void
2954 *os_alloc_page(_VBUS_ARG0)
2955 {
2956 	return (void *)contigmalloc(0x1000, M_DEVBUF, M_NOWAIT, 0x1000000, 0xffffffff, PAGE_SIZE, 0ul);
2957 }
2958 
2959 void
2960 *os_alloc_dma_page(_VBUS_ARG0)
2961 {
2962 	return (void *)contigmalloc(0x1000, M_DEVBUF, M_NOWAIT, 0x1000000, 0xffffffff, PAGE_SIZE, 0ul);
2963 }
2964 
2965 void
2966 os_free_page(_VBUS_ARG void *p)
2967 {
2968 	contigfree(p, 0x1000, M_DEVBUF);
2969 }
2970 
2971 void
2972 os_free_dma_page(_VBUS_ARG void *p)
2973 {
2974 	contigfree(p, 0x1000, M_DEVBUF);
2975 }
2976 
2977 void
2978 DoXor1(ULONG *p0, ULONG *p1, ULONG *p2, UINT nBytes)
2979 {
2980 	UINT i;
2981 	for (i = 0; i < nBytes / 4; i++) *p0++ = *p1++ ^ *p2++;
2982 }
2983 
2984 void
2985 DoXor2(ULONG *p0, ULONG *p2, UINT nBytes)
2986 {
2987 	UINT i;
2988 	for (i = 0; i < nBytes / 4; i++) *p0++ ^= *p2++;
2989 }
2990 #endif
2991