xref: /freebsd/sys/dev/hptmv/entry.c (revision d5cc05798547f6546979521b1bccf3def5fc4811)
1 /*
2  * Copyright (c) 2004-2005 HighPoint Technologies, Inc.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  */
26 
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
29 
30 #include <sys/param.h>
31 #include <sys/systm.h>
32 #include <sys/kernel.h>
33 #include <sys/bus.h>
34 #include <sys/malloc.h>
35 #include <sys/resource.h>
36 #include <sys/time.h>
37 #include <sys/callout.h>
38 #include <sys/signalvar.h>
39 #include <sys/eventhandler.h>
40 #include <sys/proc.h>
41 #include <sys/kthread.h>
42 
43 #include <sys/mutex.h>
44 #include <sys/module.h>
45 #include <sys/sx.h>
46 
47 #include <dev/pci/pcireg.h>
48 #include <dev/pci/pcivar.h>
49 
50 #ifndef __KERNEL__
51 #define __KERNEL__
52 #endif
53 
54 #include <dev/hptmv/global.h>
55 #include <dev/hptmv/hptintf.h>
56 #include <dev/hptmv/osbsd.h>
57 #include <dev/hptmv/access601.h>
58 
59 
60 #ifdef DEBUG
61 #ifdef DEBUG_LEVEL
62 int hpt_dbg_level = DEBUG_LEVEL;
63 #else
64 int hpt_dbg_level = 0;
65 #endif
66 #endif
67 
68 #define MV_ERROR printf
69 
70 /*
71  * CAM SIM entry points
72  */
73 static int 	hpt_probe (device_t dev);
74 static void launch_worker_thread(void);
75 static int 	hpt_attach(device_t dev);
76 static int 	hpt_detach(device_t dev);
77 static int 	hpt_shutdown(device_t dev);
78 static void hpt_poll(struct cam_sim *sim);
79 static void hpt_intr(void *arg);
80 static void hpt_async(void *callback_arg, u_int32_t code, struct cam_path *path, void *arg);
81 static void hpt_action(struct cam_sim *sim, union ccb *ccb);
82 
83 static device_method_t driver_methods[] = {
84 	/* Device interface */
85 	DEVMETHOD(device_probe,		hpt_probe),
86 	DEVMETHOD(device_attach,	hpt_attach),
87 	DEVMETHOD(device_detach,	hpt_detach),
88 
89 	DEVMETHOD(device_shutdown,	hpt_shutdown),
90 	DEVMETHOD_END
91 };
92 
93 static driver_t hpt_pci_driver = {
94 	__str(PROC_DIR_NAME),
95 	driver_methods,
96 	sizeof(IAL_ADAPTER_T)
97 };
98 
99 static devclass_t	hpt_devclass;
100 
101 #define __DRIVER_MODULE(p1, p2, p3, p4, p5, p6) DRIVER_MODULE(p1, p2, p3, p4, p5, p6)
102 __DRIVER_MODULE(PROC_DIR_NAME, pci, hpt_pci_driver, hpt_devclass, 0, 0);
103 MODULE_DEPEND(PROC_DIR_NAME, cam, 1, 1, 1);
104 
105 #define ccb_ccb_ptr spriv_ptr0
106 #define ccb_adapter ccb_h.spriv_ptr1
107 
108 static void SetInquiryData(PINQUIRYDATA inquiryData, PVDevice pVDev);
109 static void HPTLIBAPI OsSendCommand (_VBUS_ARG union ccb * ccb);
110 static void HPTLIBAPI fOsCommandDone(_VBUS_ARG PCommand pCmd);
111 static void ccb_done(union ccb *ccb);
112 static void hpt_queue_ccb(union ccb **ccb_Q, union ccb *ccb);
113 static void hpt_free_ccb(union ccb **ccb_Q, union ccb *ccb);
114 static void hpt_intr_locked(IAL_ADAPTER_T *pAdapter);
115 static void	hptmv_free_edma_queues(IAL_ADAPTER_T *pAdapter);
116 static void	hptmv_free_channel(IAL_ADAPTER_T *pAdapter, MV_U8 channelNum);
117 static void	handleEdmaError(_VBUS_ARG PCommand pCmd);
118 static int	hptmv_init_channel(IAL_ADAPTER_T *pAdapter, MV_U8 channelNum);
119 static int	fResetActiveCommands(PVBus _vbus_p);
120 static void	fRegisterVdevice(IAL_ADAPTER_T *pAdapter);
121 static int	hptmv_allocate_edma_queues(IAL_ADAPTER_T *pAdapter);
122 static void	hptmv_handle_event_disconnect(void *data);
123 static void	hptmv_handle_event_connect(void *data);
124 static int	start_channel(IAL_ADAPTER_T *pAdapter, MV_U8 channelNum);
125 static void	init_vdev_params(IAL_ADAPTER_T *pAdapter, MV_U8 channel);
126 static int	hptmv_parse_identify_results(MV_SATA_CHANNEL *pMvSataChannel);
127 static int HPTLIBAPI fOsBuildSgl(_VBUS_ARG PCommand pCmd, FPSCAT_GATH pSg,
128     int logical);
129 static MV_BOOLEAN CommandCompletionCB(MV_SATA_ADAPTER *pMvSataAdapter,
130     MV_U8 channelNum, MV_COMPLETION_TYPE comp_type, MV_VOID_PTR commandId,
131     MV_U16 responseFlags, MV_U32 timeStamp,
132     MV_STORAGE_DEVICE_REGISTERS *registerStruct);
133 static MV_BOOLEAN hptmv_event_notify(MV_SATA_ADAPTER *pMvSataAdapter,
134     MV_EVENT_TYPE eventType, MV_U32 param1, MV_U32 param2);
135 
136 #define ccb_ccb_ptr spriv_ptr0
137 #define ccb_adapter ccb_h.spriv_ptr1
138 
139 static struct sx hptmv_list_lock;
140 SX_SYSINIT(hptmv_list_lock, &hptmv_list_lock, "hptmv list");
141 IAL_ADAPTER_T *gIal_Adapter = 0;
142 IAL_ADAPTER_T *pCurAdapter = 0;
143 static MV_SATA_CHANNEL gMvSataChannels[MAX_VBUS][MV_SATA_CHANNELS_NUM];
144 
145 typedef struct st_HPT_DPC {
146 	IAL_ADAPTER_T *pAdapter;
147 	void (*dpc)(IAL_ADAPTER_T *, void *, UCHAR);
148 	void *arg;
149 	UCHAR flags;
150 } ST_HPT_DPC;
151 
152 #define MAX_DPC 16
153 UCHAR DPC_Request_Nums = 0;
154 static ST_HPT_DPC DpcQueue[MAX_DPC];
155 static int DpcQueue_First=0;
156 static int DpcQueue_Last = 0;
157 static struct mtx DpcQueue_Lock;
158 MTX_SYSINIT(hpmtv_dpc_lock, &DpcQueue_Lock, "hptmv dpc", MTX_DEF);
159 
160 char DRIVER_VERSION[] = "v1.16";
161 
162 /*******************************************************************************
163  *	Name:	hptmv_free_channel
164  *
165  *	Description:	free allocated queues for the given channel
166  *
167  *	Parameters:    	pMvSataAdapter - pointer to the RR18xx controler this
168  * 					channel connected to.
169  *			channelNum - channel number.
170  *
171  ******************************************************************************/
172 static void
173 hptmv_free_channel(IAL_ADAPTER_T *pAdapter, MV_U8 channelNum)
174 {
175 	HPT_ASSERT(channelNum < MV_SATA_CHANNELS_NUM);
176 	pAdapter->mvSataAdapter.sataChannel[channelNum] = NULL;
177 }
178 
179 static void failDevice(PVDevice pVDev)
180 {
181 	PVBus _vbus_p = pVDev->pVBus;
182 	IAL_ADAPTER_T *pAdapter = (IAL_ADAPTER_T *)_vbus_p->OsExt;
183 
184 	pVDev->u.disk.df_on_line = 0;
185 	pVDev->vf_online = 0;
186 	if (pVDev->pfnDeviceFailed)
187 		CallWhenIdle(_VBUS_P (DPC_PROC)pVDev->pfnDeviceFailed, pVDev);
188 
189 	fNotifyGUI(ET_DEVICE_REMOVED, pVDev);
190 
191 #ifndef FOR_DEMO
192 	if (pAdapter->ver_601==2 && !pAdapter->beeping) {
193 		pAdapter->beeping = 1;
194 		BeepOn(pAdapter->mvSataAdapter.adapterIoBaseAddress);
195 		set_fail_led(&pAdapter->mvSataAdapter, pVDev->u.disk.mv->channelNumber, 1);
196 	}
197 #endif
198 }
199 
200 int MvSataResetChannel(MV_SATA_ADAPTER *pMvSataAdapter, MV_U8 channel);
201 
202 static void
203 handleEdmaError(_VBUS_ARG PCommand pCmd)
204 {
205 	PDevice pDevice = &pCmd->pVDevice->u.disk;
206 	MV_SATA_ADAPTER * pSataAdapter = pDevice->mv->mvSataAdapter;
207 
208 	if (!pDevice->df_on_line) {
209 		KdPrint(("Device is offline"));
210 		pCmd->Result = RETURN_BAD_DEVICE;
211 		CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
212 		return;
213 	}
214 
215 	if (pCmd->RetryCount++>5) {
216 		hpt_printk(("too many retries on channel(%d)\n", pDevice->mv->channelNumber));
217 failed:
218 		failDevice(pCmd->pVDevice);
219 		pCmd->Result = RETURN_IDE_ERROR;
220 		CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
221 		return;
222 	}
223 
224 	/* reset the channel and retry the command */
225 	if (MvSataResetChannel(pSataAdapter, pDevice->mv->channelNumber))
226 		goto failed;
227 
228 	fNotifyGUI(ET_DEVICE_ERROR, Map2pVDevice(pDevice));
229 
230 	hpt_printk(("Retry on channel(%d)\n", pDevice->mv->channelNumber));
231 	fDeviceSendCommand(_VBUS_P pCmd);
232 }
233 
234 /****************************************************************
235  *	Name:	hptmv_init_channel
236  *
237  *	Description:	allocate request and response queues for the EDMA of the
238  *					given channel and sets other fields.
239  *
240  *	Parameters:
241  *		pAdapter - pointer to the emulated adapter data structure
242  *		channelNum - channel number.
243  *	Return:	0 on success, otherwise on failure
244  ****************************************************************/
245 static int
246 hptmv_init_channel(IAL_ADAPTER_T *pAdapter, MV_U8 channelNum)
247 {
248 	MV_SATA_CHANNEL *pMvSataChannel;
249 	dma_addr_t    req_dma_addr;
250 	dma_addr_t    rsp_dma_addr;
251 
252 	if (channelNum >= MV_SATA_CHANNELS_NUM)
253 	{
254 		MV_ERROR("RR18xx[%d]: Bad channelNum=%d",
255 				 pAdapter->mvSataAdapter.adapterId, channelNum);
256 		return -1;
257 	}
258 
259 	pMvSataChannel = &gMvSataChannels[pAdapter->mvSataAdapter.adapterId][channelNum];
260 	pAdapter->mvSataAdapter.sataChannel[channelNum] = pMvSataChannel;
261 	pMvSataChannel->channelNumber = channelNum;
262 	pMvSataChannel->lba48Address = MV_FALSE;
263 	pMvSataChannel->maxReadTransfer = MV_FALSE;
264 
265 	pMvSataChannel->requestQueue = (struct mvDmaRequestQueueEntry *)
266 								   (pAdapter->requestsArrayBaseAlignedAddr + (channelNum * MV_EDMA_REQUEST_QUEUE_SIZE));
267 	req_dma_addr = pAdapter->requestsArrayBaseDmaAlignedAddr + (channelNum * MV_EDMA_REQUEST_QUEUE_SIZE);
268 
269 
270 	KdPrint(("requestQueue addr is 0x%llX", (HPT_U64)(ULONG_PTR)req_dma_addr));
271 
272 	/* check the 1K alignment of the request queue*/
273 	if (req_dma_addr & 0x3ff)
274 	{
275 		MV_ERROR("RR18xx[%d]: request queue allocated isn't 1 K aligned,"
276 				 " dma_addr=%llx channel=%d\n", pAdapter->mvSataAdapter.adapterId,
277 				 (HPT_U64)(ULONG_PTR)req_dma_addr, channelNum);
278 		return -1;
279 	}
280 	pMvSataChannel->requestQueuePciLowAddress = req_dma_addr;
281 	pMvSataChannel->requestQueuePciHiAddress = 0;
282 	KdPrint(("RR18xx[%d,%d]: request queue allocated: 0x%p",
283 			  pAdapter->mvSataAdapter.adapterId, channelNum,
284 			  pMvSataChannel->requestQueue));
285 	pMvSataChannel->responseQueue = (struct mvDmaResponseQueueEntry *)
286 									(pAdapter->responsesArrayBaseAlignedAddr + (channelNum * MV_EDMA_RESPONSE_QUEUE_SIZE));
287 	rsp_dma_addr = pAdapter->responsesArrayBaseDmaAlignedAddr + (channelNum * MV_EDMA_RESPONSE_QUEUE_SIZE);
288 
289 	/* check the 256 alignment of the response queue*/
290 	if (rsp_dma_addr & 0xff)
291 	{
292 		MV_ERROR("RR18xx[%d,%d]: response queue allocated isn't 256 byte "
293 				 "aligned, dma_addr=%llx\n",
294 				 pAdapter->mvSataAdapter.adapterId, channelNum, (HPT_U64)(ULONG_PTR)rsp_dma_addr);
295 		return -1;
296 	}
297 	pMvSataChannel->responseQueuePciLowAddress = rsp_dma_addr;
298 	pMvSataChannel->responseQueuePciHiAddress = 0;
299 	KdPrint(("RR18xx[%d,%d]: response queue allocated: 0x%p",
300 			  pAdapter->mvSataAdapter.adapterId, channelNum,
301 			  pMvSataChannel->responseQueue));
302 
303 	pAdapter->mvChannel[channelNum].online = MV_TRUE;
304 	return 0;
305 }
306 
307 /******************************************************************************
308  *	Name: hptmv_parse_identify_results
309  *
310  *	Description:	this functions parses the identify command results, checks
311  *					that the connected deives can be accesed by RR18xx EDMA,
312  *					and updates the channel stucture accordingly.
313  *
314  *	Parameters:     pMvSataChannel, pointer to the channel data structure.
315  *
316  *	Returns:       	=0 ->success, < 0 ->failure.
317  *
318  ******************************************************************************/
319 static int
320 hptmv_parse_identify_results(MV_SATA_CHANNEL *pMvSataChannel)
321 {
322 	MV_U16  *iden = pMvSataChannel->identifyDevice;
323 
324 	/*LBA addressing*/
325 	if (! (iden[IDEN_CAPACITY_1_OFFSET] & 0x200))
326 	{
327 		KdPrint(("IAL Error in IDENTIFY info: LBA not supported\n"));
328 		return -1;
329 	}
330 	else
331 	{
332 		KdPrint(("%25s - %s\n", "Capabilities", "LBA supported"));
333 	}
334 	/*DMA support*/
335 	if (! (iden[IDEN_CAPACITY_1_OFFSET] & 0x100))
336 	{
337 		KdPrint(("IAL Error in IDENTIFY info: DMA not supported\n"));
338 		return -1;
339 	}
340 	else
341 	{
342 		KdPrint(("%25s - %s\n", "Capabilities", "DMA supported"));
343 	}
344 	/* PIO */
345 	if ((iden[IDEN_VALID] & 2) == 0)
346 	{
347 		KdPrint(("IAL Error in IDENTIFY info: not able to find PIO mode\n"));
348 		return -1;
349 	}
350 	KdPrint(("%25s - 0x%02x\n", "PIO modes supported",
351 			  iden[IDEN_PIO_MODE_SPPORTED] & 0xff));
352 
353 	/*UDMA*/
354 	if ((iden[IDEN_VALID] & 4) == 0)
355 	{
356 		KdPrint(("IAL Error in IDENTIFY info: not able to find UDMA mode\n"));
357 		return -1;
358 	}
359 
360 	/* 48 bit address */
361 	if ((iden[IDEN_SUPPORTED_COMMANDS2] & 0x400))
362 	{
363 		KdPrint(("%25s - %s\n", "LBA48 addressing", "supported"));
364 		pMvSataChannel->lba48Address = MV_TRUE;
365 	}
366 	else
367 	{
368 		KdPrint(("%25s - %s\n", "LBA48 addressing", "Not supported"));
369 		pMvSataChannel->lba48Address = MV_FALSE;
370 	}
371 	return 0;
372 }
373 
374 static void
375 init_vdev_params(IAL_ADAPTER_T *pAdapter, MV_U8 channel)
376 {
377 	PVDevice pVDev = &pAdapter->VDevices[channel];
378 	MV_SATA_CHANNEL *pMvSataChannel = pAdapter->mvSataAdapter.sataChannel[channel];
379 	MV_U16_PTR IdentifyData = pMvSataChannel->identifyDevice;
380 
381 	pMvSataChannel->outstandingCommands = 0;
382 
383 	pVDev->u.disk.mv         = pMvSataChannel;
384 	pVDev->u.disk.df_on_line = 1;
385 	pVDev->u.disk.pVBus      = &pAdapter->VBus;
386 	pVDev->pVBus             = &pAdapter->VBus;
387 
388 #ifdef SUPPORT_48BIT_LBA
389 	if (pMvSataChannel->lba48Address == MV_TRUE)
390 		pVDev->u.disk.dDeRealCapacity = ((IdentifyData[101]<<16) | IdentifyData[100]) - 1;
391 	else
392 #endif
393 	if(IdentifyData[53] & 1) {
394 	pVDev->u.disk.dDeRealCapacity =
395 	  (((IdentifyData[58]<<16 | IdentifyData[57]) < (IdentifyData[61]<<16 | IdentifyData[60])) ?
396 		  (IdentifyData[61]<<16 | IdentifyData[60]) :
397 				(IdentifyData[58]<<16 | IdentifyData[57])) - 1;
398 	} else
399 		pVDev->u.disk.dDeRealCapacity =
400 				 (IdentifyData[61]<<16 | IdentifyData[60]) - 1;
401 
402 	pVDev->u.disk.bDeUsable_Mode = pVDev->u.disk.bDeModeSetting =
403 		pAdapter->mvChannel[channel].maxPioModeSupported - MV_ATA_TRANSFER_PIO_0;
404 
405 	if (pAdapter->mvChannel[channel].maxUltraDmaModeSupported!=0xFF) {
406 		pVDev->u.disk.bDeUsable_Mode = pVDev->u.disk.bDeModeSetting =
407 			pAdapter->mvChannel[channel].maxUltraDmaModeSupported - MV_ATA_TRANSFER_UDMA_0 + 8;
408 	}
409 }
410 
411 static void device_change(IAL_ADAPTER_T *pAdapter , MV_U8 channelIndex, int plugged)
412 {
413 	PVDevice pVDev;
414 	MV_SATA_ADAPTER  *pMvSataAdapter = &pAdapter->mvSataAdapter;
415 	MV_SATA_CHANNEL  *pMvSataChannel = pMvSataAdapter->sataChannel[channelIndex];
416 
417 	if (!pMvSataChannel) return;
418 
419 	if (plugged)
420 	{
421 		pVDev = &(pAdapter->VDevices[channelIndex]);
422 		init_vdev_params(pAdapter, channelIndex);
423 
424 		pVDev->VDeviceType = pVDev->u.disk.df_atapi? VD_ATAPI :
425 			pVDev->u.disk.df_removable_drive? VD_REMOVABLE : VD_SINGLE_DISK;
426 
427 		pVDev->VDeviceCapacity = pVDev->u.disk.dDeRealCapacity-SAVE_FOR_RAID_INFO;
428 		pVDev->pfnSendCommand = pfnSendCommand[pVDev->VDeviceType];
429 		pVDev->pfnDeviceFailed = pfnDeviceFailed[pVDev->VDeviceType];
430 		pVDev->vf_online = 1;
431 
432 #ifdef SUPPORT_ARRAY
433 		if(pVDev->pParent)
434 		{
435 			int iMember;
436 			for(iMember = 0; iMember < 	pVDev->pParent->u.array.bArnMember; iMember++)
437 				if((PVDevice)pVDev->pParent->u.array.pMember[iMember] == pVDev)
438 					pVDev->pParent->u.array.pMember[iMember] = NULL;
439 			pVDev->pParent = NULL;
440 		}
441 #endif
442 		fNotifyGUI(ET_DEVICE_PLUGGED,pVDev);
443 		fCheckBootable(pVDev);
444 		RegisterVDevice(pVDev);
445 
446 #ifndef FOR_DEMO
447 		if (pAdapter->beeping) {
448 			pAdapter->beeping = 0;
449 			BeepOff(pAdapter->mvSataAdapter.adapterIoBaseAddress);
450 		}
451 #endif
452 
453 	}
454 	else
455 	{
456 		pVDev  = &(pAdapter->VDevices[channelIndex]);
457 		failDevice(pVDev);
458 	}
459 }
460 
461 static int
462 start_channel(IAL_ADAPTER_T *pAdapter, MV_U8 channelNum)
463 {
464 	MV_SATA_ADAPTER *pMvSataAdapter = &pAdapter->mvSataAdapter;
465 	MV_SATA_CHANNEL *pMvSataChannel = pMvSataAdapter->sataChannel[channelNum];
466 	MV_CHANNEL		*pChannelInfo = &(pAdapter->mvChannel[channelNum]);
467 	MV_U32          udmaMode,pioMode;
468 
469 	KdPrint(("RR18xx [%d]: start channel (%d)", pMvSataAdapter->adapterId,
470 			 channelNum));
471 
472 
473 	/* Software reset channel */
474 	if (mvStorageDevATASoftResetDevice(pMvSataAdapter, channelNum) == MV_FALSE)
475 	{
476 		MV_ERROR("RR18xx [%d,%d]: failed to perform Software reset\n",
477 				 pMvSataAdapter->adapterId, channelNum);
478 		return -1;
479 	}
480 
481 	/* Hardware reset channel */
482 	if (mvSataChannelHardReset(pMvSataAdapter, channelNum) == MV_FALSE)
483 	{
484 		/* If failed, try again - this is when trying to hardreset a channel */
485 		/* when drive is just spinning up */
486 		StallExec(5000000); /* wait 5 sec before trying again */
487 		if (mvSataChannelHardReset(pMvSataAdapter, channelNum) == MV_FALSE)
488 		{
489 			MV_ERROR("RR18xx [%d,%d]: failed to perform Hard reset\n",
490 					 pMvSataAdapter->adapterId, channelNum);
491 			return -1;
492 		}
493 	}
494 
495 	/* identify device*/
496 	if (mvStorageDevATAIdentifyDevice(pMvSataAdapter, channelNum) == MV_FALSE)
497 	{
498 		MV_ERROR("RR18xx [%d,%d]: failed to perform ATA Identify command\n"
499 				 , pMvSataAdapter->adapterId, channelNum);
500 		return -1;
501 	}
502 	if (hptmv_parse_identify_results(pMvSataChannel))
503 	{
504 		MV_ERROR("RR18xx [%d,%d]: Error in parsing ATA Identify message\n"
505 				 , pMvSataAdapter->adapterId, channelNum);
506 		return -1;
507 	}
508 
509 	/* mvStorageDevATASetFeatures */
510 	/* Disable 8 bit PIO in case CFA enabled */
511 	if (pMvSataChannel->identifyDevice[86] & 4)
512 	{
513 		KdPrint(("RR18xx [%d]: Disable 8 bit PIO (CFA enabled) \n",
514 				  pMvSataAdapter->adapterId));
515 		if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
516 									   MV_ATA_SET_FEATURES_DISABLE_8_BIT_PIO, 0,
517 									   0, 0, 0) == MV_FALSE)
518 		{
519 			MV_ERROR("RR18xx [%d]: channel %d: mvStorageDevATASetFeatures"
520 					 " failed\n", pMvSataAdapter->adapterId, channelNum);
521 			return -1;
522 		}
523 	}
524 	/* Write cache */
525 #ifdef ENABLE_WRITE_CACHE
526 	if (pMvSataChannel->identifyDevice[82] & 0x20)
527 	{
528 		if (!(pMvSataChannel->identifyDevice[85] & 0x20)) /* if not enabled by default */
529 		{
530 			if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
531 										   MV_ATA_SET_FEATURES_ENABLE_WCACHE, 0,
532 										   0, 0, 0) == MV_FALSE)
533 			{
534 				MV_ERROR("RR18xx [%d]: channel %d: mvStorageDevATASetFeatures failed\n",
535 						 pMvSataAdapter->adapterId, channelNum);
536 				return -1;
537 			}
538 		}
539 		KdPrint(("RR18xx [%d]: channel %d, write cache enabled\n",
540 				  pMvSataAdapter->adapterId, channelNum));
541 	}
542 	else
543 	{
544 		KdPrint(("RR18xx [%d]: channel %d, write cache not supported\n",
545 				  pMvSataAdapter->adapterId, channelNum));
546 	}
547 #else /* disable write cache */
548 	{
549 		if (pMvSataChannel->identifyDevice[85] & 0x20)
550 		{
551 			KdPrint(("RR18xx [%d]: channel =%d, disable write cache\n",
552 					  pMvSataAdapter->adapterId, channelNum));
553 			if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
554 										   MV_ATA_SET_FEATURES_DISABLE_WCACHE, 0,
555 										   0, 0, 0) == MV_FALSE)
556 			{
557 				MV_ERROR("RR18xx [%d]: channel %d: mvStorageDevATASetFeatures failed\n",
558 						 pMvSataAdapter->adapterId, channelNum);
559 				return -1;
560 			}
561 		}
562 		KdPrint(("RR18xx [%d]: channel=%d, write cache disabled\n",
563 				  pMvSataAdapter->adapterId, channelNum));
564 	}
565 #endif
566 
567 	/* Set transfer mode */
568 	KdPrint(("RR18xx [%d] Set transfer mode XFER_PIO_SLOW\n",
569 			  pMvSataAdapter->adapterId));
570 	if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
571 								   MV_ATA_SET_FEATURES_TRANSFER,
572 								   MV_ATA_TRANSFER_PIO_SLOW, 0, 0, 0) ==
573 		MV_FALSE)
574 	{
575 		MV_ERROR("RR18xx [%d] channel %d: Set Features failed\n",
576 				 pMvSataAdapter->adapterId, channelNum);
577 		return -1;
578 	}
579 
580 	if (pMvSataChannel->identifyDevice[IDEN_PIO_MODE_SPPORTED] & 1)
581 	{
582 		pioMode = MV_ATA_TRANSFER_PIO_4;
583 	}
584 	else if (pMvSataChannel->identifyDevice[IDEN_PIO_MODE_SPPORTED] & 2)
585 	{
586 		pioMode = MV_ATA_TRANSFER_PIO_3;
587 	}
588 	else
589 	{
590 		MV_ERROR("IAL Error in IDENTIFY info: PIO modes 3 and 4 not supported\n");
591 		pioMode = MV_ATA_TRANSFER_PIO_SLOW;
592 	}
593 
594 	KdPrint(("RR18xx [%d] Set transfer mode XFER_PIO_4\n",
595 			  pMvSataAdapter->adapterId));
596 	pAdapter->mvChannel[channelNum].maxPioModeSupported = pioMode;
597 	if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
598 								   MV_ATA_SET_FEATURES_TRANSFER,
599 								   pioMode, 0, 0, 0) == MV_FALSE)
600 	{
601 		MV_ERROR("RR18xx [%d] channel %d: Set Features failed\n",
602 				 pMvSataAdapter->adapterId, channelNum);
603 		return -1;
604 	}
605 
606 	udmaMode = MV_ATA_TRANSFER_UDMA_0;
607 	if (pMvSataChannel->identifyDevice[IDEN_UDMA_MODE] & 0x40)
608 	{
609 		udmaMode =  MV_ATA_TRANSFER_UDMA_6;
610 	}
611 	else if (pMvSataChannel->identifyDevice[IDEN_UDMA_MODE] & 0x20)
612 	{
613 		udmaMode =  MV_ATA_TRANSFER_UDMA_5;
614 	}
615 	else if (pMvSataChannel->identifyDevice[IDEN_UDMA_MODE] & 0x10)
616 	{
617 		udmaMode =  MV_ATA_TRANSFER_UDMA_4;
618 	}
619 	else if (pMvSataChannel->identifyDevice[IDEN_UDMA_MODE] & 8)
620 	{
621 		udmaMode =  MV_ATA_TRANSFER_UDMA_3;
622 	}
623 	else if (pMvSataChannel->identifyDevice[IDEN_UDMA_MODE] & 4)
624 	{
625 		udmaMode =  MV_ATA_TRANSFER_UDMA_2;
626 	}
627 
628 	KdPrint(("RR18xx [%d] Set transfer mode XFER_UDMA_%d\n",
629 			  pMvSataAdapter->adapterId, udmaMode & 0xf));
630 	pChannelInfo->maxUltraDmaModeSupported = udmaMode;
631 
632 	/*if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
633 								   MV_ATA_SET_FEATURES_TRANSFER, udmaMode,
634 								   0, 0, 0) == MV_FALSE)
635 	{
636 		MV_ERROR("RR18xx [%d] channel %d: Set Features failed\n",
637 				 pMvSataAdapter->adapterId, channelNum);
638 		return -1;
639 	}*/
640 	if (pChannelInfo->maxUltraDmaModeSupported == 0xFF)
641 		return TRUE;
642 	else
643 		do
644 		{
645 			if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
646 								   MV_ATA_SET_FEATURES_TRANSFER,
647 								   pChannelInfo->maxUltraDmaModeSupported,
648 								   0, 0, 0) == MV_FALSE)
649 			{
650 				if (pChannelInfo->maxUltraDmaModeSupported > MV_ATA_TRANSFER_UDMA_0)
651 				{
652 					if (mvStorageDevATASoftResetDevice(pMvSataAdapter, channelNum) == MV_FALSE)
653 					{
654 						MV_REG_WRITE_BYTE(pMvSataAdapter->adapterIoBaseAddress,
655 										  pMvSataChannel->eDmaRegsOffset +
656 										  0x11c, /* command reg */
657 										  MV_ATA_COMMAND_IDLE_IMMEDIATE);
658 						mvMicroSecondsDelay(10000);
659 						mvSataChannelHardReset(pMvSataAdapter, channelNum);
660 						if (mvStorageDevATASoftResetDevice(pMvSataAdapter, channelNum) == MV_FALSE)
661 							return FALSE;
662 					}
663 					if (mvSataChannelHardReset(pMvSataAdapter, channelNum) == MV_FALSE)
664 						return FALSE;
665 					pChannelInfo->maxUltraDmaModeSupported--;
666 					continue;
667 				}
668 				else   return FALSE;
669 			}
670 			break;
671 		}while (1);
672 
673 	/* Read look ahead */
674 #ifdef ENABLE_READ_AHEAD
675 	if (pMvSataChannel->identifyDevice[82] & 0x40)
676 	{
677 		if (!(pMvSataChannel->identifyDevice[85] & 0x40)) /* if not enabled by default */
678 		{
679 			if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
680 										   MV_ATA_SET_FEATURES_ENABLE_RLA, 0, 0,
681 										   0, 0) == MV_FALSE)
682 			{
683 				MV_ERROR("RR18xx [%d] channel %d: Set Features failed\n",
684 						 pMvSataAdapter->adapterId, channelNum);
685 				return -1;
686 			}
687 		}
688 		KdPrint(("RR18xx [%d]: channel=%d, read look ahead enabled\n",
689 				  pMvSataAdapter->adapterId, channelNum));
690 	}
691 	else
692 	{
693 		KdPrint(("RR18xx [%d]: channel %d, Read Look Ahead not supported\n",
694 				  pMvSataAdapter->adapterId, channelNum));
695 	}
696 #else
697 	{
698 		if (pMvSataChannel->identifyDevice[86] & 0x20)
699 		{
700 			KdPrint(("RR18xx [%d]:channel %d, disable read look ahead\n",
701 					  pMvSataAdapter->adapterId, channelNum));
702 			if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
703 										   MV_ATA_SET_FEATURES_DISABLE_RLA, 0, 0,
704 										   0, 0) == MV_FALSE)
705 			{
706 				MV_ERROR("RR18xx [%d]:channel %d:  ATA Set Features failed\n",
707 						 pMvSataAdapter->adapterId, channelNum);
708 				return -1;
709 			}
710 		}
711 		KdPrint(("RR18xx [%d]:channel %d, read look ahead disabled\n",
712 				  pMvSataAdapter->adapterId, channelNum));
713 	}
714 #endif
715 
716 
717 	{
718 		KdPrint(("RR18xx [%d]: channel %d config EDMA, Non Queued Mode\n",
719 				  pMvSataAdapter->adapterId,
720 				  channelNum));
721 		if (mvSataConfigEdmaMode(pMvSataAdapter, channelNum,
722 								 MV_EDMA_MODE_NOT_QUEUED, 0) == MV_FALSE)
723 		{
724 			MV_ERROR("RR18xx [%d] channel %d Error: mvSataConfigEdmaMode failed\n",
725 					 pMvSataAdapter->adapterId, channelNum);
726 			return -1;
727 		}
728 	}
729 	/* Enable EDMA */
730 	if (mvSataEnableChannelDma(pMvSataAdapter, channelNum) == MV_FALSE)
731 	{
732 		MV_ERROR("RR18xx [%d] Failed to enable DMA, channel=%d\n",
733 				 pMvSataAdapter->adapterId, channelNum);
734 		return -1;
735 	}
736 	MV_ERROR("RR18xx [%d,%d]: channel started successfully\n",
737 			 pMvSataAdapter->adapterId, channelNum);
738 
739 #ifndef FOR_DEMO
740 	set_fail_led(pMvSataAdapter, channelNum, 0);
741 #endif
742 	return 0;
743 }
744 
745 static void
746 hptmv_handle_event(void * data, int flag)
747 {
748 	IAL_ADAPTER_T   *pAdapter = (IAL_ADAPTER_T *)data;
749 	MV_SATA_ADAPTER *pMvSataAdapter = &pAdapter->mvSataAdapter;
750 	MV_U8           channelIndex;
751 
752 	mtx_assert(&pAdapter->lock, MA_OWNED);
753 /*	mvOsSemTake(&pMvSataAdapter->semaphore); */
754 	for (channelIndex = 0; channelIndex < MV_SATA_CHANNELS_NUM; channelIndex++)
755 	{
756 		switch(pAdapter->sataEvents[channelIndex])
757 		{
758 			case SATA_EVENT_CHANNEL_CONNECTED:
759 				/* Handle only connects */
760 				if (flag == 1)
761 					break;
762 				KdPrint(("RR18xx [%d,%d]: new device connected\n",
763 						 pMvSataAdapter->adapterId, channelIndex));
764 				hptmv_init_channel(pAdapter, channelIndex);
765 				if (mvSataConfigureChannel( pMvSataAdapter, channelIndex) == MV_FALSE)
766 				{
767 					MV_ERROR("RR18xx [%d,%d] Failed to configure\n",
768 							 pMvSataAdapter->adapterId, channelIndex);
769 					hptmv_free_channel(pAdapter, channelIndex);
770 				}
771 				else
772 				{
773 					/*mvSataChannelHardReset(pMvSataAdapter, channel);*/
774 					if (start_channel( pAdapter, channelIndex))
775 					{
776 						MV_ERROR("RR18xx [%d,%d]Failed to start channel\n",
777 								 pMvSataAdapter->adapterId, channelIndex);
778 						hptmv_free_channel(pAdapter, channelIndex);
779 					}
780 					else
781 					{
782 						device_change(pAdapter, channelIndex, TRUE);
783 					}
784 				}
785 				pAdapter->sataEvents[channelIndex] = SATA_EVENT_NO_CHANGE;
786 			   break;
787 
788 			case SATA_EVENT_CHANNEL_DISCONNECTED:
789 				/* Handle only disconnects */
790 				if (flag == 0)
791 					break;
792 				KdPrint(("RR18xx [%d,%d]: device disconnected\n",
793 						 pMvSataAdapter->adapterId, channelIndex));
794 					/* Flush pending commands */
795 				if(pMvSataAdapter->sataChannel[channelIndex])
796 				{
797 					_VBUS_INST(&pAdapter->VBus)
798 					mvSataFlushDmaQueue (pMvSataAdapter, channelIndex,
799 										 MV_FLUSH_TYPE_CALLBACK);
800 					CheckPendingCall(_VBUS_P0);
801 					mvSataRemoveChannel(pMvSataAdapter,channelIndex);
802 					hptmv_free_channel(pAdapter, channelIndex);
803 					pMvSataAdapter->sataChannel[channelIndex] = NULL;
804 					KdPrint(("RR18xx [%d,%d]: channel removed\n",
805 						 pMvSataAdapter->adapterId, channelIndex));
806 					if (pAdapter->outstandingCommands==0 && DPC_Request_Nums==0)
807 						Check_Idle_Call(pAdapter);
808 				}
809 				else
810 				{
811 					KdPrint(("RR18xx [%d,%d]: channel already removed!!\n",
812 							 pMvSataAdapter->adapterId, channelIndex));
813 				}
814 				pAdapter->sataEvents[channelIndex] = SATA_EVENT_NO_CHANGE;
815 				break;
816 
817 			case SATA_EVENT_NO_CHANGE:
818 				break;
819 
820 			default:
821 				break;
822 		}
823 	}
824 /*	mvOsSemRelease(&pMvSataAdapter->semaphore); */
825 }
826 
827 #define EVENT_CONNECT					1
828 #define EVENT_DISCONNECT				0
829 
830 static void
831 hptmv_handle_event_connect(void *data)
832 {
833   hptmv_handle_event (data, 0);
834 }
835 
836 static void
837 hptmv_handle_event_disconnect(void *data)
838 {
839   hptmv_handle_event (data, 1);
840 }
841 
842 static MV_BOOLEAN
843 hptmv_event_notify(MV_SATA_ADAPTER *pMvSataAdapter, MV_EVENT_TYPE eventType,
844 								   MV_U32 param1, MV_U32 param2)
845 {
846 	IAL_ADAPTER_T   *pAdapter = pMvSataAdapter->IALData;
847 
848 	switch (eventType)
849 	{
850 		case MV_EVENT_TYPE_SATA_CABLE:
851 			{
852 				MV_U8   channel = param2;
853 
854 				if (param1 == EVENT_CONNECT)
855 				{
856 					pAdapter->sataEvents[channel] = SATA_EVENT_CHANNEL_CONNECTED;
857 					KdPrint(("RR18xx [%d,%d]: device connected event received\n",
858 							 pMvSataAdapter->adapterId, channel));
859 					/* Delete previous timers (if multiple drives connected in the same time */
860 					callout_reset(&pAdapter->event_timer_connect, 10 * hz, hptmv_handle_event_connect, pAdapter);
861 				}
862 				else if (param1 == EVENT_DISCONNECT)
863 				{
864 					pAdapter->sataEvents[channel] = SATA_EVENT_CHANNEL_DISCONNECTED;
865 					KdPrint(("RR18xx [%d,%d]: device disconnected event received \n",
866 							 pMvSataAdapter->adapterId, channel));
867 					device_change(pAdapter, channel, FALSE);
868 					/* Delete previous timers (if multiple drives disconnected in the same time */
869 					/*callout_reset(&pAdapter->event_timer_disconnect, 10 * hz, hptmv_handle_event_disconnect, pAdapter); */
870 					/*It is not necessary to wait, handle it directly*/
871 					hptmv_handle_event_disconnect(pAdapter);
872 				}
873 				else
874 				{
875 
876 					MV_ERROR("RR18xx: illegal value for param1(%d) at "
877 							 "connect/disconnect event, host=%d\n", param1,
878 							 pMvSataAdapter->adapterId );
879 
880 				}
881 			}
882 			break;
883 		case MV_EVENT_TYPE_ADAPTER_ERROR:
884 			KdPrint(("RR18xx: DEVICE error event received, pci cause "
885 					  "reg=%x,  don't how to handle this\n", param1));
886 			return MV_TRUE;
887 		default:
888 			MV_ERROR("RR18xx[%d]: unknown event type (%d)\n",
889 					 pMvSataAdapter->adapterId, eventType);
890 			return MV_FALSE;
891 	}
892 	return MV_TRUE;
893 }
894 
895 static int
896 hptmv_allocate_edma_queues(IAL_ADAPTER_T *pAdapter)
897 {
898 	pAdapter->requestsArrayBaseAddr = (MV_U8 *)contigmalloc(REQUESTS_ARRAY_SIZE,
899 			M_DEVBUF, M_NOWAIT, 0, 0xffffffff, PAGE_SIZE, 0ul);
900 	if (pAdapter->requestsArrayBaseAddr == NULL)
901 	{
902 		MV_ERROR("RR18xx[%d]: Failed to allocate memory for EDMA request"
903 				 " queues\n", pAdapter->mvSataAdapter.adapterId);
904 		return -1;
905 	}
906 	pAdapter->requestsArrayBaseDmaAddr = fOsPhysicalAddress(pAdapter->requestsArrayBaseAddr);
907 	pAdapter->requestsArrayBaseAlignedAddr = pAdapter->requestsArrayBaseAddr;
908 	pAdapter->requestsArrayBaseAlignedAddr += MV_EDMA_REQUEST_QUEUE_SIZE;
909 	pAdapter->requestsArrayBaseAlignedAddr  = (MV_U8 *)
910 		(((ULONG_PTR)pAdapter->requestsArrayBaseAlignedAddr) & ~(ULONG_PTR)(MV_EDMA_REQUEST_QUEUE_SIZE - 1));
911 	pAdapter->requestsArrayBaseDmaAlignedAddr = pAdapter->requestsArrayBaseDmaAddr;
912 	pAdapter->requestsArrayBaseDmaAlignedAddr += MV_EDMA_REQUEST_QUEUE_SIZE;
913 	pAdapter->requestsArrayBaseDmaAlignedAddr &= ~(ULONG_PTR)(MV_EDMA_REQUEST_QUEUE_SIZE - 1);
914 
915 	if ((pAdapter->requestsArrayBaseDmaAlignedAddr - pAdapter->requestsArrayBaseDmaAddr) !=
916 		(pAdapter->requestsArrayBaseAlignedAddr - pAdapter->requestsArrayBaseAddr))
917 	{
918 		MV_ERROR("RR18xx[%d]: Error in Request Quueues Alignment\n",
919 				 pAdapter->mvSataAdapter.adapterId);
920 		contigfree(pAdapter->requestsArrayBaseAddr, REQUESTS_ARRAY_SIZE, M_DEVBUF);
921 		return -1;
922 	}
923 	/* response queues */
924 	pAdapter->responsesArrayBaseAddr = (MV_U8 *)contigmalloc(RESPONSES_ARRAY_SIZE,
925 			M_DEVBUF, M_NOWAIT, 0, 0xffffffff, PAGE_SIZE, 0ul);
926 	if (pAdapter->responsesArrayBaseAddr == NULL)
927 	{
928 		MV_ERROR("RR18xx[%d]: Failed to allocate memory for EDMA response"
929 				 " queues\n", pAdapter->mvSataAdapter.adapterId);
930 		contigfree(pAdapter->requestsArrayBaseAddr, RESPONSES_ARRAY_SIZE, M_DEVBUF);
931 		return -1;
932 	}
933 	pAdapter->responsesArrayBaseDmaAddr = fOsPhysicalAddress(pAdapter->responsesArrayBaseAddr);
934 	pAdapter->responsesArrayBaseAlignedAddr = pAdapter->responsesArrayBaseAddr;
935 	pAdapter->responsesArrayBaseAlignedAddr += MV_EDMA_RESPONSE_QUEUE_SIZE;
936 	pAdapter->responsesArrayBaseAlignedAddr  = (MV_U8 *)
937 		(((ULONG_PTR)pAdapter->responsesArrayBaseAlignedAddr) & ~(ULONG_PTR)(MV_EDMA_RESPONSE_QUEUE_SIZE - 1));
938 	pAdapter->responsesArrayBaseDmaAlignedAddr = pAdapter->responsesArrayBaseDmaAddr;
939 	pAdapter->responsesArrayBaseDmaAlignedAddr += MV_EDMA_RESPONSE_QUEUE_SIZE;
940 	pAdapter->responsesArrayBaseDmaAlignedAddr &= ~(ULONG_PTR)(MV_EDMA_RESPONSE_QUEUE_SIZE - 1);
941 
942 	if ((pAdapter->responsesArrayBaseDmaAlignedAddr - pAdapter->responsesArrayBaseDmaAddr) !=
943 		(pAdapter->responsesArrayBaseAlignedAddr - pAdapter->responsesArrayBaseAddr))
944 	{
945 		MV_ERROR("RR18xx[%d]: Error in Response Queues Alignment\n",
946 				 pAdapter->mvSataAdapter.adapterId);
947 		contigfree(pAdapter->requestsArrayBaseAddr, REQUESTS_ARRAY_SIZE, M_DEVBUF);
948 		contigfree(pAdapter->responsesArrayBaseAddr, RESPONSES_ARRAY_SIZE, M_DEVBUF);
949 		return -1;
950 	}
951 	return 0;
952 }
953 
954 static void
955 hptmv_free_edma_queues(IAL_ADAPTER_T *pAdapter)
956 {
957 	contigfree(pAdapter->requestsArrayBaseAddr, REQUESTS_ARRAY_SIZE, M_DEVBUF);
958 	contigfree(pAdapter->responsesArrayBaseAddr, RESPONSES_ARRAY_SIZE, M_DEVBUF);
959 }
960 
961 static PVOID
962 AllocatePRDTable(IAL_ADAPTER_T *pAdapter)
963 {
964 	PVOID ret;
965 	if (pAdapter->pFreePRDLink) {
966 		KdPrint(("pAdapter->pFreePRDLink:%p\n",pAdapter->pFreePRDLink));
967 		ret = pAdapter->pFreePRDLink;
968 		pAdapter->pFreePRDLink = *(void**)ret;
969 		return ret;
970 	}
971 	return NULL;
972 }
973 
974 static void
975 FreePRDTable(IAL_ADAPTER_T *pAdapter, PVOID PRDTable)
976 {
977 	*(void**)PRDTable = pAdapter->pFreePRDLink;
978 	pAdapter->pFreePRDLink = PRDTable;
979 }
980 
981 extern PVDevice fGetFirstChild(PVDevice pLogical);
982 extern void fResetBootMark(PVDevice pLogical);
983 static void
984 fRegisterVdevice(IAL_ADAPTER_T *pAdapter)
985 {
986 	PVDevice pPhysical, pLogical;
987 	PVBus  pVBus;
988 	int i,j;
989 
990 	for(i=0;i<MV_SATA_CHANNELS_NUM;i++) {
991 		pPhysical = &(pAdapter->VDevices[i]);
992 		pLogical = pPhysical;
993 		while (pLogical->pParent) pLogical = pLogical->pParent;
994 		if (pLogical->vf_online==0) {
995 			pPhysical->vf_bootmark = pLogical->vf_bootmark = 0;
996 			continue;
997 		}
998 		if (pLogical->VDeviceType==VD_SPARE || pPhysical!=fGetFirstChild(pLogical))
999 			continue;
1000 
1001 		pVBus = &pAdapter->VBus;
1002 		if(pVBus)
1003 		{
1004 			j=0;
1005 			while(j<MAX_VDEVICE_PER_VBUS && pVBus->pVDevice[j]) j++;
1006 			if(j<MAX_VDEVICE_PER_VBUS){
1007 				pVBus->pVDevice[j] = pLogical;
1008 				pLogical->pVBus = pVBus;
1009 
1010 				if (j>0 && pLogical->vf_bootmark) {
1011 					if (pVBus->pVDevice[0]->vf_bootmark) {
1012 						fResetBootMark(pLogical);
1013 					}
1014 					else {
1015 						do { pVBus->pVDevice[j] = pVBus->pVDevice[j-1]; } while (--j);
1016 						pVBus->pVDevice[0] = pLogical;
1017 					}
1018 				}
1019 			}
1020 		}
1021 	}
1022 }
1023 
1024 PVDevice
1025 GetSpareDisk(_VBUS_ARG PVDevice pArray)
1026 {
1027 	IAL_ADAPTER_T *pAdapter = (IAL_ADAPTER_T *)pArray->pVBus->OsExt;
1028 	LBA_T capacity = LongDiv(pArray->VDeviceCapacity, pArray->u.array.bArnMember-1);
1029 	LBA_T thiscap, maxcap = MAX_LBA_T;
1030 	PVDevice pVDevice, pFind = NULL;
1031 	int i;
1032 
1033 	for(i=0;i<MV_SATA_CHANNELS_NUM;i++)
1034 	{
1035 		pVDevice = &pAdapter->VDevices[i];
1036 		if(!pVDevice)
1037 			continue;
1038 		thiscap = pArray->vf_format_v2? pVDevice->u.disk.dDeRealCapacity : pVDevice->VDeviceCapacity;
1039 		/* find the smallest usable spare disk */
1040 		if (pVDevice->VDeviceType==VD_SPARE &&
1041 			pVDevice->u.disk.df_on_line &&
1042 			thiscap < maxcap &&
1043 			thiscap >= capacity)
1044 		{
1045 				maxcap = pVDevice->VDeviceCapacity;
1046 				pFind = pVDevice;
1047 		}
1048 	}
1049 	return pFind;
1050 }
1051 
1052 /******************************************************************
1053  * IO ATA Command
1054  *******************************************************************/
1055 int HPTLIBAPI
1056 fDeReadWrite(PDevice pDev, ULONG Lba, UCHAR Cmd, void *tmpBuffer)
1057 {
1058 	return mvReadWrite(pDev->mv, Lba, Cmd, tmpBuffer);
1059 }
1060 
1061 void HPTLIBAPI fDeSelectMode(PDevice pDev, UCHAR NewMode)
1062 {
1063 	MV_SATA_CHANNEL *pSataChannel = pDev->mv;
1064 	MV_SATA_ADAPTER *pSataAdapter = pSataChannel->mvSataAdapter;
1065 	MV_U8 channelIndex = pSataChannel->channelNumber;
1066 	UCHAR mvMode;
1067 	/* 508x don't use MW-DMA? */
1068 	if (NewMode>4 && NewMode<8) NewMode = 4;
1069 	pDev->bDeModeSetting = NewMode;
1070 	if (NewMode<=4)
1071 		mvMode = MV_ATA_TRANSFER_PIO_0 + NewMode;
1072 	else
1073 		mvMode = MV_ATA_TRANSFER_UDMA_0 + (NewMode-8);
1074 
1075 	/*To fix 88i8030 bug*/
1076 	if (mvMode > MV_ATA_TRANSFER_UDMA_0 && mvMode < MV_ATA_TRANSFER_UDMA_4)
1077 		mvMode = MV_ATA_TRANSFER_UDMA_0;
1078 
1079 	mvSataDisableChannelDma(pSataAdapter, channelIndex);
1080 	/* Flush pending commands */
1081 	mvSataFlushDmaQueue (pSataAdapter, channelIndex, MV_FLUSH_TYPE_NONE);
1082 
1083 	if (mvStorageDevATASetFeatures(pSataAdapter, channelIndex,
1084 								   MV_ATA_SET_FEATURES_TRANSFER,
1085 								   mvMode, 0, 0, 0) == MV_FALSE)
1086 	{
1087 		KdPrint(("channel %d: Set Features failed\n", channelIndex));
1088 	}
1089 	/* Enable EDMA */
1090 	if (mvSataEnableChannelDma(pSataAdapter, channelIndex) == MV_FALSE)
1091 		KdPrint(("Failed to enable DMA, channel=%d", channelIndex));
1092 }
1093 
1094 int HPTLIBAPI fDeSetTCQ(PDevice pDev, int enable, int depth)
1095 {
1096 	MV_SATA_CHANNEL *pSataChannel = pDev->mv;
1097 	MV_SATA_ADAPTER *pSataAdapter = pSataChannel->mvSataAdapter;
1098 	MV_U8 channelIndex = pSataChannel->channelNumber;
1099 	IAL_ADAPTER_T *pAdapter = pSataAdapter->IALData;
1100 	MV_CHANNEL		*channelInfo = &(pAdapter->mvChannel[channelIndex]);
1101 	int dmaActive = pSataChannel->queueCommandsEnabled;
1102 	int ret = 0;
1103 
1104 	if (dmaActive) {
1105 		mvSataDisableChannelDma(pSataAdapter, channelIndex);
1106 		mvSataFlushDmaQueue(pSataAdapter,channelIndex,MV_FLUSH_TYPE_CALLBACK);
1107 	}
1108 
1109 	if (enable) {
1110 		if (pSataChannel->queuedDMA == MV_EDMA_MODE_NOT_QUEUED &&
1111 			(pSataChannel->identifyDevice[IDEN_SUPPORTED_COMMANDS2] & (0x2))) {
1112 			UCHAR depth = ((pSataChannel->identifyDevice[IDEN_QUEUE_DEPTH]) & 0x1f) + 1;
1113 			channelInfo->queueDepth = (depth==32)? 31 : depth;
1114 			mvSataConfigEdmaMode(pSataAdapter, channelIndex, MV_EDMA_MODE_QUEUED, depth);
1115 			ret = 1;
1116 		}
1117 	}
1118 	else
1119 	{
1120 		if (pSataChannel->queuedDMA != MV_EDMA_MODE_NOT_QUEUED) {
1121 			channelInfo->queueDepth = 2;
1122 			mvSataConfigEdmaMode(pSataAdapter, channelIndex, MV_EDMA_MODE_NOT_QUEUED, 0);
1123 			ret = 1;
1124 		}
1125 	}
1126 
1127 	if (dmaActive)
1128 		mvSataEnableChannelDma(pSataAdapter,channelIndex);
1129 	return ret;
1130 }
1131 
1132 int HPTLIBAPI fDeSetNCQ(PDevice pDev, int enable, int depth)
1133 {
1134 	return 0;
1135 }
1136 
1137 int HPTLIBAPI fDeSetWriteCache(PDevice pDev, int enable)
1138 {
1139 	MV_SATA_CHANNEL *pSataChannel = pDev->mv;
1140 	MV_SATA_ADAPTER *pSataAdapter = pSataChannel->mvSataAdapter;
1141 	MV_U8 channelIndex = pSataChannel->channelNumber;
1142 	IAL_ADAPTER_T *pAdapter = pSataAdapter->IALData;
1143 	MV_CHANNEL		*channelInfo = &(pAdapter->mvChannel[channelIndex]);
1144 	int dmaActive = pSataChannel->queueCommandsEnabled;
1145 	int ret = 0;
1146 
1147 	if (dmaActive) {
1148 		mvSataDisableChannelDma(pSataAdapter, channelIndex);
1149 		mvSataFlushDmaQueue(pSataAdapter,channelIndex,MV_FLUSH_TYPE_CALLBACK);
1150 	}
1151 
1152 	if ((pSataChannel->identifyDevice[82] & (0x20))) {
1153 		if (enable) {
1154 			if (mvStorageDevATASetFeatures(pSataAdapter, channelIndex,
1155 				MV_ATA_SET_FEATURES_ENABLE_WCACHE, 0, 0, 0, 0))
1156 			{
1157 				channelInfo->writeCacheEnabled = MV_TRUE;
1158 				ret = 1;
1159 			}
1160 		}
1161 		else {
1162 			if (mvStorageDevATASetFeatures(pSataAdapter, channelIndex,
1163 				MV_ATA_SET_FEATURES_DISABLE_WCACHE, 0, 0, 0, 0))
1164 			{
1165 				channelInfo->writeCacheEnabled = MV_FALSE;
1166 				ret = 1;
1167 			}
1168 		}
1169 	}
1170 
1171 	if (dmaActive)
1172 		mvSataEnableChannelDma(pSataAdapter,channelIndex);
1173 	return ret;
1174 }
1175 
1176 int HPTLIBAPI fDeSetReadAhead(PDevice pDev, int enable)
1177 {
1178 	MV_SATA_CHANNEL *pSataChannel = pDev->mv;
1179 	MV_SATA_ADAPTER *pSataAdapter = pSataChannel->mvSataAdapter;
1180 	MV_U8 channelIndex = pSataChannel->channelNumber;
1181 	IAL_ADAPTER_T *pAdapter = pSataAdapter->IALData;
1182 	MV_CHANNEL		*channelInfo = &(pAdapter->mvChannel[channelIndex]);
1183 	int dmaActive = pSataChannel->queueCommandsEnabled;
1184 	int ret = 0;
1185 
1186 	if (dmaActive) {
1187 		mvSataDisableChannelDma(pSataAdapter, channelIndex);
1188 		mvSataFlushDmaQueue(pSataAdapter,channelIndex,MV_FLUSH_TYPE_CALLBACK);
1189 	}
1190 
1191 	if ((pSataChannel->identifyDevice[82] & (0x40))) {
1192 		if (enable) {
1193 			if (mvStorageDevATASetFeatures(pSataAdapter, channelIndex,
1194 				MV_ATA_SET_FEATURES_ENABLE_RLA, 0, 0, 0, 0))
1195 			{
1196 				channelInfo->readAheadEnabled = MV_TRUE;
1197 				ret = 1;
1198 			}
1199 		}
1200 		else {
1201 			if (mvStorageDevATASetFeatures(pSataAdapter, channelIndex,
1202 				MV_ATA_SET_FEATURES_DISABLE_RLA, 0, 0, 0, 0))
1203 			{
1204 				channelInfo->readAheadEnabled = MV_FALSE;
1205 				ret = 1;
1206 			}
1207 		}
1208 	}
1209 
1210 	if (dmaActive)
1211 		mvSataEnableChannelDma(pSataAdapter,channelIndex);
1212 	return ret;
1213 }
1214 
1215 #ifdef SUPPORT_ARRAY
1216 #define IdeRegisterVDevice  fCheckArray
1217 #else
1218 void
1219 IdeRegisterVDevice(PDevice pDev)
1220 {
1221 	PVDevice pVDev = Map2pVDevice(pDev);
1222 
1223 	pVDev->VDeviceType = pDev->df_atapi? VD_ATAPI :
1224 						 pDev->df_removable_drive? VD_REMOVABLE : VD_SINGLE_DISK;
1225 	pVDev->vf_online = 1;
1226 	pVDev->VDeviceCapacity = pDev->dDeRealCapacity;
1227 	pVDev->pfnSendCommand = pfnSendCommand[pVDev->VDeviceType];
1228 	pVDev->pfnDeviceFailed = pfnDeviceFailed[pVDev->VDeviceType];
1229 }
1230 #endif
1231 
1232 static __inline PBUS_DMAMAP
1233 dmamap_get(struct IALAdapter * pAdapter)
1234 {
1235 	PBUS_DMAMAP	p = pAdapter->pbus_dmamap_list;
1236 	if (p)
1237 		pAdapter->pbus_dmamap_list = p-> next;
1238 	return p;
1239 }
1240 
1241 static __inline void
1242 dmamap_put(PBUS_DMAMAP p)
1243 {
1244 	p->next = p->pAdapter->pbus_dmamap_list;
1245 	p->pAdapter->pbus_dmamap_list = p;
1246 }
1247 
1248 static int num_adapters = 0;
1249 static int
1250 init_adapter(IAL_ADAPTER_T *pAdapter)
1251 {
1252 	PVBus _vbus_p = &pAdapter->VBus;
1253 	MV_SATA_ADAPTER *pMvSataAdapter;
1254 	int i, channel, rid;
1255 
1256 	PVDevice pVDev;
1257 
1258 	mtx_init(&pAdapter->lock, "hptsleeplock", NULL, MTX_DEF);
1259 	callout_init_mtx(&pAdapter->event_timer_connect, &pAdapter->lock, 0);
1260 	callout_init_mtx(&pAdapter->event_timer_disconnect, &pAdapter->lock, 0);
1261 
1262 	sx_xlock(&hptmv_list_lock);
1263 	pAdapter->next = 0;
1264 
1265 	if(gIal_Adapter == 0){
1266 		gIal_Adapter = pAdapter;
1267 		pCurAdapter = gIal_Adapter;
1268 	}
1269 	else {
1270 		pCurAdapter->next = pAdapter;
1271 		pCurAdapter = pAdapter;
1272 	}
1273 	sx_xunlock(&hptmv_list_lock);
1274 
1275 	pAdapter->outstandingCommands = 0;
1276 
1277 	pMvSataAdapter = &(pAdapter->mvSataAdapter);
1278 	_vbus_p->OsExt = (void *)pAdapter;
1279 	pMvSataAdapter->IALData = pAdapter;
1280 
1281 	if (bus_dma_tag_create(bus_get_dma_tag(pAdapter->hpt_dev),/* parent */
1282 			4,	/* alignment */
1283 			BUS_SPACE_MAXADDR_32BIT+1, /* boundary */
1284 			BUS_SPACE_MAXADDR,	/* lowaddr */
1285 			BUS_SPACE_MAXADDR,	/* highaddr */
1286 			NULL, NULL, 		/* filter, filterarg */
1287 			PAGE_SIZE * (MAX_SG_DESCRIPTORS-1), /* maxsize */
1288 			MAX_SG_DESCRIPTORS, /* nsegments */
1289 			0x10000,	/* maxsegsize */
1290 			BUS_DMA_WAITOK, 	/* flags */
1291 			busdma_lock_mutex,	/* lockfunc */
1292 			&pAdapter->lock,	/* lockfuncarg */
1293 			&pAdapter->io_dma_parent /* tag */))
1294 		{
1295 			return ENXIO;
1296 	}
1297 
1298 
1299 	if (hptmv_allocate_edma_queues(pAdapter))
1300 	{
1301 		MV_ERROR("RR18xx: Failed to allocate memory for EDMA queues\n");
1302 		return ENOMEM;
1303 	}
1304 
1305 	/* also map EPROM address */
1306 	rid = 0x10;
1307 	if (!(pAdapter->mem_res = bus_alloc_resource_any(pAdapter->hpt_dev,
1308 			SYS_RES_MEMORY, &rid, RF_ACTIVE))
1309 		||
1310 		!(pMvSataAdapter->adapterIoBaseAddress = rman_get_virtual(pAdapter->mem_res)))
1311 	{
1312 		MV_ERROR("RR18xx: Failed to remap memory space\n");
1313 		hptmv_free_edma_queues(pAdapter);
1314 		return ENXIO;
1315 	}
1316 	else
1317 	{
1318 		KdPrint(("RR18xx: io base address 0x%p\n", pMvSataAdapter->adapterIoBaseAddress));
1319 	}
1320 
1321 	pMvSataAdapter->adapterId = num_adapters++;
1322 	/* get the revision ID */
1323 	pMvSataAdapter->pciConfigRevisionId = pci_read_config(pAdapter->hpt_dev, PCIR_REVID, 1);
1324 	pMvSataAdapter->pciConfigDeviceId = pci_get_device(pAdapter->hpt_dev);
1325 
1326 	/* init RR18xx */
1327 	pMvSataAdapter->intCoalThre[0]= 1;
1328 	pMvSataAdapter->intCoalThre[1]= 1;
1329 	pMvSataAdapter->intTimeThre[0] = 1;
1330 	pMvSataAdapter->intTimeThre[1] = 1;
1331 	pMvSataAdapter->pciCommand = 0x0107E371;
1332 	pMvSataAdapter->pciSerrMask = 0xd77fe6ul;
1333 	pMvSataAdapter->pciInterruptMask = 0xd77fe6ul;
1334 	pMvSataAdapter->mvSataEventNotify = hptmv_event_notify;
1335 
1336 	if (mvSataInitAdapter(pMvSataAdapter) == MV_FALSE)
1337 	{
1338 		MV_ERROR("RR18xx[%d]: core failed to initialize the adapter\n",
1339 				 pMvSataAdapter->adapterId);
1340 unregister:
1341 		bus_release_resource(pAdapter->hpt_dev, SYS_RES_MEMORY, rid, pAdapter->mem_res);
1342 		hptmv_free_edma_queues(pAdapter);
1343 		return ENXIO;
1344 	}
1345 	pAdapter->ver_601 = pMvSataAdapter->pcbVersion;
1346 
1347 #ifndef FOR_DEMO
1348 	set_fail_leds(pMvSataAdapter, 0);
1349 #endif
1350 
1351 	/* setup command blocks */
1352 	KdPrint(("Allocate command blocks\n"));
1353 	_vbus_(pFreeCommands) = 0;
1354 	pAdapter->pCommandBlocks =
1355 		malloc(sizeof(struct _Command) * MAX_COMMAND_BLOCKS_FOR_EACH_VBUS, M_DEVBUF, M_NOWAIT);
1356 	KdPrint(("pCommandBlocks:%p\n",pAdapter->pCommandBlocks));
1357 	if (!pAdapter->pCommandBlocks) {
1358 		MV_ERROR("insufficient memory\n");
1359 		goto unregister;
1360 	}
1361 
1362 	for (i=0; i<MAX_COMMAND_BLOCKS_FOR_EACH_VBUS; i++) {
1363 		FreeCommand(_VBUS_P &(pAdapter->pCommandBlocks[i]));
1364 	}
1365 
1366 	/*Set up the bus_dmamap*/
1367 	pAdapter->pbus_dmamap = (PBUS_DMAMAP)malloc (sizeof(struct _BUS_DMAMAP) * MAX_QUEUE_COMM, M_DEVBUF, M_NOWAIT);
1368 	if(!pAdapter->pbus_dmamap) {
1369 		MV_ERROR("insufficient memory\n");
1370 		free(pAdapter->pCommandBlocks, M_DEVBUF);
1371 		goto unregister;
1372 	}
1373 
1374 	memset((void *)pAdapter->pbus_dmamap, 0, sizeof(struct _BUS_DMAMAP) * MAX_QUEUE_COMM);
1375 	pAdapter->pbus_dmamap_list = 0;
1376 	for (i=0; i < MAX_QUEUE_COMM; i++) {
1377 		PBUS_DMAMAP  pmap = &(pAdapter->pbus_dmamap[i]);
1378 		pmap->pAdapter = pAdapter;
1379 		dmamap_put(pmap);
1380 
1381 		if(bus_dmamap_create(pAdapter->io_dma_parent, 0, &pmap->dma_map)) {
1382 			MV_ERROR("Can not allocate dma map\n");
1383 			free(pAdapter->pCommandBlocks, M_DEVBUF);
1384 			free(pAdapter->pbus_dmamap, M_DEVBUF);
1385 			goto unregister;
1386 		}
1387 		callout_init_mtx(&pmap->timeout, &pAdapter->lock, 0);
1388 	}
1389 	/* setup PRD Tables */
1390 	KdPrint(("Allocate PRD Tables\n"));
1391 	pAdapter->pFreePRDLink = 0;
1392 
1393 	pAdapter->prdTableAddr = (PUCHAR)contigmalloc(
1394 		(PRD_ENTRIES_SIZE*PRD_TABLES_FOR_VBUS + 32), M_DEVBUF, M_NOWAIT, 0, 0xffffffff, PAGE_SIZE, 0ul);
1395 
1396 	KdPrint(("prdTableAddr:%p\n",pAdapter->prdTableAddr));
1397 	if (!pAdapter->prdTableAddr) {
1398 		MV_ERROR("insufficient PRD Tables\n");
1399 		goto unregister;
1400 	}
1401 	pAdapter->prdTableAlignedAddr = (PUCHAR)(((ULONG_PTR)pAdapter->prdTableAddr + 0x1f) & ~(ULONG_PTR)0x1fL);
1402 	{
1403 		PUCHAR PRDTable = pAdapter->prdTableAlignedAddr;
1404 		for (i=0; i<PRD_TABLES_FOR_VBUS; i++)
1405 		{
1406 /*			KdPrint(("i=%d,pAdapter->pFreePRDLink=%p\n",i,pAdapter->pFreePRDLink)); */
1407 			FreePRDTable(pAdapter, PRDTable);
1408 			PRDTable += PRD_ENTRIES_SIZE;
1409 		}
1410 	}
1411 
1412 	/* enable the adapter interrupts */
1413 
1414 	/* configure and start the connected channels*/
1415 	for (channel = 0; channel < MV_SATA_CHANNELS_NUM; channel++)
1416 	{
1417 		pAdapter->mvChannel[channel].online = MV_FALSE;
1418 		if (mvSataIsStorageDeviceConnected(pMvSataAdapter, channel)
1419 			== MV_TRUE)
1420 		{
1421 			KdPrint(("RR18xx[%d]: channel %d is connected\n",
1422 					  pMvSataAdapter->adapterId, channel));
1423 
1424 			if (hptmv_init_channel(pAdapter, channel) == 0)
1425 			{
1426 				if (mvSataConfigureChannel(pMvSataAdapter, channel) == MV_FALSE)
1427 				{
1428 					MV_ERROR("RR18xx[%d]: Failed to configure channel"
1429 							 " %d\n",pMvSataAdapter->adapterId, channel);
1430 					hptmv_free_channel(pAdapter, channel);
1431 				}
1432 				else
1433 				{
1434 					if (start_channel(pAdapter, channel))
1435 					{
1436 						MV_ERROR("RR18xx[%d]: Failed to start channel,"
1437 								 " channel=%d\n",pMvSataAdapter->adapterId,
1438 								 channel);
1439 						hptmv_free_channel(pAdapter, channel);
1440 					}
1441 					pAdapter->mvChannel[channel].online = MV_TRUE;
1442 					/*  mvSataChannelSetEdmaLoopBackMode(pMvSataAdapter,
1443 													   channel,
1444 													   MV_TRUE);*/
1445 				}
1446 			}
1447 		}
1448 		KdPrint(("pAdapter->mvChannel[channel].online:%x, channel:%d\n",
1449 			pAdapter->mvChannel[channel].online, channel));
1450 	}
1451 
1452 #ifdef SUPPORT_ARRAY
1453 	for(i = MAX_ARRAY_DEVICE - 1; i >= 0; i--) {
1454 		pVDev = ArrayTables(i);
1455 		mArFreeArrayTable(pVDev);
1456 	}
1457 #endif
1458 
1459 	KdPrint(("Initialize Devices\n"));
1460 	for (channel = 0; channel < MV_SATA_CHANNELS_NUM; channel++) {
1461 		MV_SATA_CHANNEL *pMvSataChannel = pMvSataAdapter->sataChannel[channel];
1462 		if (pMvSataChannel) {
1463 			init_vdev_params(pAdapter, channel);
1464 			IdeRegisterVDevice(&pAdapter->VDevices[channel].u.disk);
1465 		}
1466 	}
1467 #ifdef SUPPORT_ARRAY
1468 	CheckArrayCritical(_VBUS_P0);
1469 #endif
1470 	_vbus_p->nInstances = 1;
1471 	fRegisterVdevice(pAdapter);
1472 
1473 	for (channel=0;channel<MV_SATA_CHANNELS_NUM;channel++) {
1474 		pVDev = _vbus_p->pVDevice[channel];
1475 		if (pVDev && pVDev->vf_online)
1476 			fCheckBootable(pVDev);
1477 	}
1478 
1479 #if defined(SUPPORT_ARRAY) && defined(_RAID5N_)
1480 	init_raid5_memory(_VBUS_P0);
1481 	_vbus_(r5).enable_write_back = 1;
1482 	printf("RR18xx: RAID5 write-back %s\n", _vbus_(r5).enable_write_back? "enabled" : "disabled");
1483 #endif
1484 
1485 	mvSataUnmaskAdapterInterrupt(pMvSataAdapter);
1486 	return 0;
1487 }
1488 
1489 int
1490 MvSataResetChannel(MV_SATA_ADAPTER *pMvSataAdapter, MV_U8 channel)
1491 {
1492 	IAL_ADAPTER_T   *pAdapter = (IAL_ADAPTER_T *)pMvSataAdapter->IALData;
1493 
1494 	mvSataDisableChannelDma(pMvSataAdapter, channel);
1495 	/* Flush pending commands */
1496 	mvSataFlushDmaQueue (pMvSataAdapter, channel, MV_FLUSH_TYPE_CALLBACK);
1497 
1498 	/* Software reset channel */
1499 	if (mvStorageDevATASoftResetDevice(pMvSataAdapter, channel) == MV_FALSE)
1500 	{
1501 		MV_ERROR("RR18xx [%d,%d]: failed to perform Software reset\n",
1502 				 pMvSataAdapter->adapterId, channel);
1503 		hptmv_free_channel(pAdapter, channel);
1504 		return -1;
1505 	}
1506 
1507 	/* Hardware reset channel */
1508 	if (mvSataChannelHardReset(pMvSataAdapter, channel)== MV_FALSE)
1509 	{
1510 		MV_ERROR("RR18xx [%d,%d] Failed to Hard reser the SATA channel\n",
1511 				 pMvSataAdapter->adapterId, channel);
1512 		hptmv_free_channel(pAdapter, channel);
1513 		return -1;
1514 	}
1515 
1516 	if (mvSataIsStorageDeviceConnected(pMvSataAdapter, channel) == MV_FALSE)
1517 	{
1518 		 MV_ERROR("RR18xx [%d,%d] Failed to Connect Device\n",
1519 				 pMvSataAdapter->adapterId, channel);
1520 		hptmv_free_channel(pAdapter, channel);
1521 		return -1;
1522 	}else
1523 	{
1524 		MV_ERROR("channel %d: perform recalibrate command", channel);
1525 		if (!mvStorageDevATAExecuteNonUDMACommand(pMvSataAdapter, channel,
1526 								MV_NON_UDMA_PROTOCOL_NON_DATA,
1527 								MV_FALSE,
1528 								NULL,	 /* pBuffer*/
1529 								0,		 /* count  */
1530 								0,		/*features*/
1531 										/* sectorCount */
1532 								0,
1533 								0,	/* lbaLow */
1534 								0,	/* lbaMid */
1535 									/* lbaHigh */
1536 								0,
1537 								0,		/* device */
1538 										/* command */
1539 								0x10))
1540 			MV_ERROR("channel %d: recalibrate failed", channel);
1541 
1542 		/* Set transfer mode */
1543 		if((mvStorageDevATASetFeatures(pMvSataAdapter, channel,
1544 						MV_ATA_SET_FEATURES_TRANSFER,
1545 						MV_ATA_TRANSFER_PIO_SLOW, 0, 0, 0) == MV_FALSE) ||
1546 			(mvStorageDevATASetFeatures(pMvSataAdapter, channel,
1547 						MV_ATA_SET_FEATURES_TRANSFER,
1548 						pAdapter->mvChannel[channel].maxPioModeSupported, 0, 0, 0) == MV_FALSE) ||
1549 			(mvStorageDevATASetFeatures(pMvSataAdapter, channel,
1550 						MV_ATA_SET_FEATURES_TRANSFER,
1551 						pAdapter->mvChannel[channel].maxUltraDmaModeSupported, 0, 0, 0) == MV_FALSE) )
1552 		{
1553 			MV_ERROR("channel %d: Set Features failed", channel);
1554 			hptmv_free_channel(pAdapter, channel);
1555 			return -1;
1556 		}
1557 		/* Enable EDMA */
1558 		if (mvSataEnableChannelDma(pMvSataAdapter, channel) == MV_FALSE)
1559 		{
1560 			MV_ERROR("Failed to enable DMA, channel=%d", channel);
1561 			hptmv_free_channel(pAdapter, channel);
1562 			return -1;
1563 		}
1564 	}
1565 	return 0;
1566 }
1567 
1568 static int
1569 fResetActiveCommands(PVBus _vbus_p)
1570 {
1571 	MV_SATA_ADAPTER *pMvSataAdapter = &((IAL_ADAPTER_T *)_vbus_p->OsExt)->mvSataAdapter;
1572 	MV_U8 channel;
1573 	for (channel=0;channel< MV_SATA_CHANNELS_NUM;channel++) {
1574 		if (pMvSataAdapter->sataChannel[channel] && pMvSataAdapter->sataChannel[channel]->outstandingCommands)
1575 			MvSataResetChannel(pMvSataAdapter,channel);
1576 	}
1577 	return 0;
1578 }
1579 
1580 void fCompleteAllCommandsSynchronously(PVBus _vbus_p)
1581 {
1582 	UINT cont;
1583 	ULONG ticks = 0;
1584 	MV_U8 channel;
1585 	MV_SATA_ADAPTER *pMvSataAdapter = &((IAL_ADAPTER_T *)_vbus_p->OsExt)->mvSataAdapter;
1586 	MV_SATA_CHANNEL *pMvSataChannel;
1587 
1588 	do {
1589 check_cmds:
1590 		cont = 0;
1591 		CheckPendingCall(_VBUS_P0);
1592 #ifdef _RAID5N_
1593 		dataxfer_poll();
1594 		xor_poll();
1595 #endif
1596 		for (channel=0;channel< MV_SATA_CHANNELS_NUM;channel++) {
1597 			pMvSataChannel = pMvSataAdapter->sataChannel[channel];
1598 			if (pMvSataChannel && pMvSataChannel->outstandingCommands)
1599 			{
1600 				while (pMvSataChannel->outstandingCommands) {
1601 					if (!mvSataInterruptServiceRoutine(pMvSataAdapter)) {
1602 						StallExec(1000);
1603 						if (ticks++ > 3000) {
1604 							MvSataResetChannel(pMvSataAdapter,channel);
1605 							goto check_cmds;
1606 						}
1607 					}
1608 					else
1609 						ticks = 0;
1610 				}
1611 				cont = 1;
1612 			}
1613 		}
1614 	} while (cont);
1615 }
1616 
1617 void
1618 fResetVBus(_VBUS_ARG0)
1619 {
1620 	KdPrint(("fMvResetBus(%p)", _vbus_p));
1621 
1622 	/* some commands may already finished. */
1623 	CheckPendingCall(_VBUS_P0);
1624 
1625 	fResetActiveCommands(_vbus_p);
1626 	/*
1627 	 * the other pending commands may still be finished successfully.
1628 	 */
1629 	fCompleteAllCommandsSynchronously(_vbus_p);
1630 
1631 	/* Now there should be no pending commands. No more action needed. */
1632 	CheckIdleCall(_VBUS_P0);
1633 
1634 	KdPrint(("fMvResetBus() done"));
1635 }
1636 
1637 /*No rescan function*/
1638 void
1639 fRescanAllDevice(_VBUS_ARG0)
1640 {
1641 }
1642 
1643 static MV_BOOLEAN
1644 CommandCompletionCB(MV_SATA_ADAPTER *pMvSataAdapter,
1645 					MV_U8 channelNum,
1646 					MV_COMPLETION_TYPE comp_type,
1647 					MV_VOID_PTR commandId,
1648 					MV_U16 responseFlags,
1649 					MV_U32 timeStamp,
1650 					MV_STORAGE_DEVICE_REGISTERS *registerStruct)
1651 {
1652 	PCommand pCmd = (PCommand) commandId;
1653 	_VBUS_INST(pCmd->pVDevice->pVBus)
1654 
1655 	if (pCmd->uScratch.sata_param.prdAddr)
1656 		FreePRDTable(pMvSataAdapter->IALData,pCmd->uScratch.sata_param.prdAddr);
1657 
1658 	switch (comp_type)
1659 	{
1660 	case MV_COMPLETION_TYPE_NORMAL:
1661 		pCmd->Result = RETURN_SUCCESS;
1662 		break;
1663 	case MV_COMPLETION_TYPE_ABORT:
1664 		pCmd->Result = RETURN_BUS_RESET;
1665 		break;
1666 	case MV_COMPLETION_TYPE_ERROR:
1667 		 MV_ERROR("IAL: COMPLETION ERROR, adapter %d, channel %d, flags=%x\n",
1668 				 pMvSataAdapter->adapterId, channelNum, responseFlags);
1669 
1670 		if (responseFlags & 4) {
1671 			MV_ERROR("ATA regs: error %x, sector count %x, LBA low %x, LBA mid %x,"
1672 				" LBA high %x, device %x, status %x\n",
1673 				registerStruct->errorRegister,
1674 				registerStruct->sectorCountRegister,
1675 				registerStruct->lbaLowRegister,
1676 				registerStruct->lbaMidRegister,
1677 				registerStruct->lbaHighRegister,
1678 				registerStruct->deviceRegister,
1679 				registerStruct->statusRegister);
1680 		}
1681 		/*We can't do handleEdmaError directly here, because CommandCompletionCB is called by
1682 		 * mv's ISR, if we retry the command, than the internel data structure may be destroyed*/
1683 		pCmd->uScratch.sata_param.responseFlags = responseFlags;
1684 		pCmd->uScratch.sata_param.bIdeStatus = registerStruct->statusRegister;
1685 		pCmd->uScratch.sata_param.errorRegister = registerStruct->errorRegister;
1686 		pCmd->pVDevice->u.disk.QueueLength--;
1687 		CallAfterReturn(_VBUS_P (DPC_PROC)handleEdmaError,pCmd);
1688 		return TRUE;
1689 
1690 	default:
1691 		MV_ERROR(" Unknown completion type (%d)\n", comp_type);
1692 		return MV_FALSE;
1693 	}
1694 
1695 	if (pCmd->uCmd.Ide.Command == IDE_COMMAND_VERIFY && pCmd->uScratch.sata_param.cmd_priv > 1) {
1696 		pCmd->uScratch.sata_param.cmd_priv --;
1697 		return TRUE;
1698 	}
1699 	pCmd->pVDevice->u.disk.QueueLength--;
1700 	CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1701 	return TRUE;
1702 }
1703 
1704 void
1705 fDeviceSendCommand(_VBUS_ARG PCommand pCmd)
1706 {
1707 	MV_SATA_EDMA_PRD_ENTRY  *pPRDTable = 0;
1708 	MV_SATA_ADAPTER *pMvSataAdapter;
1709 	MV_SATA_CHANNEL *pMvSataChannel;
1710 	PVDevice pVDevice = pCmd->pVDevice;
1711 	PDevice  pDevice = &pVDevice->u.disk;
1712 	LBA_T    Lba = pCmd->uCmd.Ide.Lba;
1713 	USHORT   nSector = pCmd->uCmd.Ide.nSectors;
1714 
1715 	MV_QUEUE_COMMAND_RESULT result;
1716 	MV_QUEUE_COMMAND_INFO commandInfo;
1717 	MV_UDMA_COMMAND_PARAMS  *pUdmaParams = &commandInfo.commandParams.udmaCommand;
1718 	MV_NONE_UDMA_COMMAND_PARAMS *pNoUdmaParams = &commandInfo.commandParams.NoneUdmaCommand;
1719 
1720 	MV_BOOLEAN is48bit;
1721 	MV_U8      channel;
1722 	int        i=0;
1723 
1724 	DECLARE_BUFFER(FPSCAT_GATH, tmpSg);
1725 
1726 	if (!pDevice->df_on_line) {
1727 		MV_ERROR("Device is offline");
1728 		pCmd->Result = RETURN_BAD_DEVICE;
1729 		CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1730 		return;
1731 	}
1732 
1733 	pDevice->HeadPosition = pCmd->uCmd.Ide.Lba + pCmd->uCmd.Ide.nSectors;
1734 	pMvSataChannel = pDevice->mv;
1735 	pMvSataAdapter = pMvSataChannel->mvSataAdapter;
1736 	channel = pMvSataChannel->channelNumber;
1737 
1738 	/* old RAID0 has hidden lba. Remember to clear dDeHiddenLba when delete array! */
1739 	Lba += pDevice->dDeHiddenLba;
1740 	/* check LBA */
1741 	if (Lba+nSector-1 > pDevice->dDeRealCapacity) {
1742 		pCmd->Result = RETURN_INVALID_REQUEST;
1743 		CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1744 		return;
1745 	}
1746 
1747 	/*
1748 	 * always use 48bit LBA if drive supports it.
1749 	 * Some Seagate drives report error if you use a 28-bit command
1750 	 * to access sector 0xfffffff.
1751 	 */
1752 	is48bit = pMvSataChannel->lba48Address;
1753 
1754 	switch (pCmd->uCmd.Ide.Command)
1755 	{
1756 	case IDE_COMMAND_READ:
1757 	case IDE_COMMAND_WRITE:
1758 		if (pDevice->bDeModeSetting<8) goto pio;
1759 
1760 		commandInfo.type = MV_QUEUED_COMMAND_TYPE_UDMA;
1761 		pUdmaParams->isEXT = is48bit;
1762 		pUdmaParams->numOfSectors = nSector;
1763 		pUdmaParams->lowLBAAddress = Lba;
1764 		pUdmaParams->highLBAAddress = 0;
1765 		pUdmaParams->prdHighAddr = 0;
1766 		pUdmaParams->callBack = CommandCompletionCB;
1767 		pUdmaParams->commandId = (MV_VOID_PTR )pCmd;
1768 		if(pCmd->uCmd.Ide.Command == IDE_COMMAND_READ)
1769 			pUdmaParams->readWrite = MV_UDMA_TYPE_READ;
1770 		else
1771 			pUdmaParams->readWrite = MV_UDMA_TYPE_WRITE;
1772 
1773 		if (pCmd->pSgTable && pCmd->cf_physical_sg) {
1774 			FPSCAT_GATH sg1=tmpSg, sg2=pCmd->pSgTable;
1775 			do { *sg1++=*sg2; } while ((sg2++->wSgFlag & SG_FLAG_EOT)==0);
1776 		}
1777 		else {
1778 			if (!pCmd->pfnBuildSgl || !pCmd->pfnBuildSgl(_VBUS_P pCmd, tmpSg, 0)) {
1779 pio:
1780 				mvSataDisableChannelDma(pMvSataAdapter, channel);
1781 				mvSataFlushDmaQueue(pMvSataAdapter, channel, MV_FLUSH_TYPE_CALLBACK);
1782 
1783 				if (pCmd->pSgTable && pCmd->cf_physical_sg==0) {
1784 					FPSCAT_GATH sg1=tmpSg, sg2=pCmd->pSgTable;
1785 					do { *sg1++=*sg2; } while ((sg2++->wSgFlag & SG_FLAG_EOT)==0);
1786 				}
1787 				else {
1788 					if (!pCmd->pfnBuildSgl || !pCmd->pfnBuildSgl(_VBUS_P pCmd, tmpSg, 1)) {
1789 						pCmd->Result = RETURN_NEED_LOGICAL_SG;
1790 						goto finish_cmd;
1791 					}
1792 				}
1793 
1794 				do {
1795 					ULONG size = tmpSg->wSgSize? tmpSg->wSgSize : 0x10000;
1796 					ULONG_PTR addr = tmpSg->dSgAddress;
1797 					if (size & 0x1ff) {
1798 						pCmd->Result = RETURN_INVALID_REQUEST;
1799 						goto finish_cmd;
1800 					}
1801 					if (mvStorageDevATAExecuteNonUDMACommand(pMvSataAdapter, channel,
1802 						(pCmd->cf_data_out)?MV_NON_UDMA_PROTOCOL_PIO_DATA_OUT:MV_NON_UDMA_PROTOCOL_PIO_DATA_IN,
1803 						is48bit,
1804 						(MV_U16_PTR)addr,
1805 						size >> 1,	/* count       */
1806 						0,		/* features  N/A  */
1807 						(MV_U16)(size>>9),	/*sector count*/
1808 						(MV_U16)(  (is48bit? (MV_U16)((Lba >> 16) & 0xFF00) : 0 )  | (UCHAR)(Lba & 0xFF) ), /*lbalow*/
1809 						(MV_U16)((Lba >> 8) & 0xFF), /* lbaMid      */
1810 						(MV_U16)((Lba >> 16) & 0xFF),/* lbaHigh     */
1811 						(MV_U8)(0x40 | (is48bit ? 0 : (UCHAR)(Lba >> 24) & 0xFF )),/* device      */
1812 						(MV_U8)(is48bit ? (pCmd->cf_data_in?IDE_COMMAND_READ_EXT:IDE_COMMAND_WRITE_EXT):pCmd->uCmd.Ide.Command)
1813 					)==MV_FALSE)
1814 					{
1815 						pCmd->Result = RETURN_IDE_ERROR;
1816 						goto finish_cmd;
1817 					}
1818 					Lba += size>>9;
1819 					if(Lba & 0xF0000000) is48bit = MV_TRUE;
1820 				}
1821 				while ((tmpSg++->wSgFlag & SG_FLAG_EOT)==0);
1822 				pCmd->Result = RETURN_SUCCESS;
1823 finish_cmd:
1824 				mvSataEnableChannelDma(pMvSataAdapter,channel);
1825 				CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1826 				return;
1827 			}
1828 		}
1829 
1830 		pPRDTable = (MV_SATA_EDMA_PRD_ENTRY *) AllocatePRDTable(pMvSataAdapter->IALData);
1831 		KdPrint(("pPRDTable:%p\n",pPRDTable));
1832 		if (!pPRDTable) {
1833 			pCmd->Result = RETURN_DEVICE_BUSY;
1834 			CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1835 			HPT_ASSERT(0);
1836 			return;
1837 		}
1838 
1839 		do{
1840 			pPRDTable[i].highBaseAddr = (sizeof(tmpSg->dSgAddress)>4 ? (MV_U32)(tmpSg->dSgAddress>>32) : 0);
1841 			pPRDTable[i].flags = (MV_U16)tmpSg->wSgFlag;
1842 			pPRDTable[i].byteCount = (MV_U16)tmpSg->wSgSize;
1843 			pPRDTable[i].lowBaseAddr = (MV_U32)tmpSg->dSgAddress;
1844 			pPRDTable[i].reserved = 0;
1845 			i++;
1846 		}while((tmpSg++->wSgFlag & SG_FLAG_EOT)==0);
1847 
1848 		pUdmaParams->prdLowAddr = (ULONG)fOsPhysicalAddress(pPRDTable);
1849 		if ((pUdmaParams->numOfSectors == 256) && (pMvSataChannel->lba48Address == MV_FALSE)) {
1850 			pUdmaParams->numOfSectors = 0;
1851 		}
1852 
1853 		pCmd->uScratch.sata_param.prdAddr = (PVOID)pPRDTable;
1854 
1855 		result = mvSataQueueCommand(pMvSataAdapter, channel, &commandInfo);
1856 
1857 		if (result != MV_QUEUE_COMMAND_RESULT_OK)
1858 		{
1859 queue_failed:
1860 			switch (result)
1861 			{
1862 			case MV_QUEUE_COMMAND_RESULT_BAD_LBA_ADDRESS:
1863 				MV_ERROR("IAL Error: Edma Queue command failed. Bad LBA "
1864 						 "LBA[31:0](0x%08x)\n", pUdmaParams->lowLBAAddress);
1865 				pCmd->Result = RETURN_IDE_ERROR;
1866 				break;
1867 			case MV_QUEUE_COMMAND_RESULT_QUEUED_MODE_DISABLED:
1868 				MV_ERROR("IAL Error: Edma Queue command failed. EDMA"
1869 						 " disabled adapter %d channel %d\n",
1870 						 pMvSataAdapter->adapterId, channel);
1871 				mvSataEnableChannelDma(pMvSataAdapter,channel);
1872 				pCmd->Result = RETURN_IDE_ERROR;
1873 				break;
1874 			case MV_QUEUE_COMMAND_RESULT_FULL:
1875 				MV_ERROR("IAL Error: Edma Queue command failed. Queue is"
1876 						 " Full adapter %d channel %d\n",
1877 						 pMvSataAdapter->adapterId, channel);
1878 				pCmd->Result = RETURN_DEVICE_BUSY;
1879 				break;
1880 			case MV_QUEUE_COMMAND_RESULT_BAD_PARAMS:
1881 				MV_ERROR("IAL Error: Edma Queue command failed. (Bad "
1882 						 "Params), pMvSataAdapter: %p,  pSataChannel: %p.\n",
1883 						 pMvSataAdapter, pMvSataAdapter->sataChannel[channel]);
1884 				pCmd->Result = RETURN_IDE_ERROR;
1885 				break;
1886 			default:
1887 				MV_ERROR("IAL Error: Bad result value (%d) from queue"
1888 						 " command\n", result);
1889 				pCmd->Result = RETURN_IDE_ERROR;
1890 			}
1891 			if(pPRDTable)
1892 				FreePRDTable(pMvSataAdapter->IALData,pPRDTable);
1893 			CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1894 		}
1895 		pDevice->QueueLength++;
1896 		return;
1897 
1898 	case IDE_COMMAND_VERIFY:
1899 		commandInfo.type = MV_QUEUED_COMMAND_TYPE_NONE_UDMA;
1900 		pNoUdmaParams->bufPtr = NULL;
1901 		pNoUdmaParams->callBack = CommandCompletionCB;
1902 		pNoUdmaParams->commandId = (MV_VOID_PTR)pCmd;
1903 		pNoUdmaParams->count = 0;
1904 		pNoUdmaParams->features = 0;
1905 		pNoUdmaParams->protocolType = MV_NON_UDMA_PROTOCOL_NON_DATA;
1906 
1907 		pCmd->uScratch.sata_param.cmd_priv = 1;
1908 		if (pMvSataChannel->lba48Address == MV_TRUE){
1909 			pNoUdmaParams->command = MV_ATA_COMMAND_READ_VERIFY_SECTORS_EXT;
1910 			pNoUdmaParams->isEXT = MV_TRUE;
1911 			pNoUdmaParams->lbaHigh = (MV_U16)((Lba & 0xff0000) >> 16);
1912 			pNoUdmaParams->lbaMid = (MV_U16)((Lba & 0xff00) >> 8);
1913 			pNoUdmaParams->lbaLow =
1914 				(MV_U16)(((Lba & 0xff000000) >> 16)| (Lba & 0xff));
1915 			pNoUdmaParams->sectorCount = nSector;
1916 			pNoUdmaParams->device = 0x40;
1917 			result = mvSataQueueCommand(pMvSataAdapter, channel, &commandInfo);
1918 			if (result != MV_QUEUE_COMMAND_RESULT_OK){
1919 				goto queue_failed;
1920 			}
1921 			return;
1922 		}
1923 		else{
1924 			pNoUdmaParams->command = MV_ATA_COMMAND_READ_VERIFY_SECTORS;
1925 			pNoUdmaParams->isEXT = MV_FALSE;
1926 			pNoUdmaParams->lbaHigh = (MV_U16)((Lba & 0xff0000) >> 16);
1927 			pNoUdmaParams->lbaMid = (MV_U16)((Lba & 0xff00) >> 8);
1928 			pNoUdmaParams->lbaLow = (MV_U16)(Lba & 0xff);
1929 			pNoUdmaParams->sectorCount = 0xff & nSector;
1930 			pNoUdmaParams->device = (MV_U8)(0x40 |
1931 				((Lba & 0xf000000) >> 24));
1932 			pNoUdmaParams->callBack = CommandCompletionCB;
1933 			result = mvSataQueueCommand(pMvSataAdapter, channel, &commandInfo);
1934 			/*FIXME: how about the commands already queued? but marvel also forgets to consider this*/
1935 			if (result != MV_QUEUE_COMMAND_RESULT_OK){
1936 				goto queue_failed;
1937 			}
1938 		}
1939 		break;
1940 	default:
1941 		pCmd->Result = RETURN_INVALID_REQUEST;
1942 		CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1943 		break;
1944 	}
1945 }
1946 
1947 /**********************************************************
1948  *
1949  *	Probe the hostadapter.
1950  *
1951  **********************************************************/
1952 static int
1953 hpt_probe(device_t dev)
1954 {
1955 	if ((pci_get_vendor(dev) == MV_SATA_VENDOR_ID) &&
1956 		(pci_get_device(dev) == MV_SATA_DEVICE_ID_5081
1957 #ifdef FOR_DEMO
1958 		|| pci_get_device(dev) == MV_SATA_DEVICE_ID_5080
1959 #endif
1960 		))
1961 	{
1962 		KdPrintI((CONTROLLER_NAME " found\n"));
1963 		device_set_desc(dev, CONTROLLER_NAME);
1964 		return (BUS_PROBE_DEFAULT);
1965 	}
1966 	else
1967 		return(ENXIO);
1968 }
1969 
1970 /***********************************************************
1971  *
1972  *      Auto configuration:  attach and init a host adapter.
1973  *
1974  ***********************************************************/
1975 static int
1976 hpt_attach(device_t dev)
1977 {
1978 	IAL_ADAPTER_T * pAdapter = device_get_softc(dev);
1979 	int rid;
1980 	union ccb *ccb;
1981 	struct cam_devq *devq;
1982 	struct cam_sim *hpt_vsim;
1983 
1984 	device_printf(dev, "%s Version %s \n", DRIVER_NAME, DRIVER_VERSION);
1985 
1986 	pAdapter->hpt_dev = dev;
1987 
1988 	rid = init_adapter(pAdapter);
1989 	if (rid)
1990 		return rid;
1991 
1992 	rid = 0;
1993 	if ((pAdapter->hpt_irq = bus_alloc_resource_any(pAdapter->hpt_dev, SYS_RES_IRQ, &rid, RF_SHAREABLE | RF_ACTIVE)) == NULL)
1994 	{
1995 		hpt_printk(("can't allocate interrupt\n"));
1996 		return(ENXIO);
1997 	}
1998 
1999 	if (bus_setup_intr(pAdapter->hpt_dev, pAdapter->hpt_irq,
2000 				INTR_TYPE_CAM | INTR_MPSAFE,
2001 				NULL, hpt_intr, pAdapter, &pAdapter->hpt_intr))
2002 	{
2003 		hpt_printk(("can't set up interrupt\n"));
2004 		free(pAdapter, M_DEVBUF);
2005 		return(ENXIO);
2006 	}
2007 
2008 
2009 	if((ccb = (union ccb *)malloc(sizeof(*ccb), M_DEVBUF, M_WAITOK)) != (union ccb*)NULL)
2010 	{
2011 		bzero(ccb, sizeof(*ccb));
2012 		ccb->ccb_h.pinfo.priority = 1;
2013 		ccb->ccb_h.pinfo.index = CAM_UNQUEUED_INDEX;
2014 	}
2015 	else
2016 	{
2017 		return ENOMEM;
2018 	}
2019 	/*
2020 	 * Create the device queue for our SIM(s).
2021 	 */
2022 	if((devq = cam_simq_alloc(8/*MAX_QUEUE_COMM*/)) == NULL)
2023 	{
2024 		KdPrint(("ENXIO\n"));
2025 		return ENOMEM;
2026 	}
2027 
2028 	/*
2029 	 * Construct our SIM entry
2030 	 */
2031 	hpt_vsim = cam_sim_alloc(hpt_action, hpt_poll, __str(PROC_DIR_NAME),
2032 			pAdapter, device_get_unit(pAdapter->hpt_dev),
2033 			&pAdapter->lock, 1, 8, devq);
2034 	if (hpt_vsim == NULL) {
2035 		cam_simq_free(devq);
2036 		return ENOMEM;
2037 	}
2038 
2039 	mtx_lock(&pAdapter->lock);
2040 	if (xpt_bus_register(hpt_vsim, dev, 0) != CAM_SUCCESS)
2041 	{
2042 		cam_sim_free(hpt_vsim, /*free devq*/ TRUE);
2043 		mtx_unlock(&pAdapter->lock);
2044 		hpt_vsim = NULL;
2045 		return ENXIO;
2046 	}
2047 
2048 	if(xpt_create_path(&pAdapter->path, /*periph */ NULL,
2049 			cam_sim_path(hpt_vsim), CAM_TARGET_WILDCARD,
2050 			CAM_LUN_WILDCARD) != CAM_REQ_CMP)
2051 	{
2052 		xpt_bus_deregister(cam_sim_path(hpt_vsim));
2053 		cam_sim_free(hpt_vsim, /*free_devq*/TRUE);
2054 		mtx_unlock(&pAdapter->lock);
2055 		hpt_vsim = NULL;
2056 		return ENXIO;
2057 	}
2058 	mtx_unlock(&pAdapter->lock);
2059 
2060 	xpt_setup_ccb(&(ccb->ccb_h), pAdapter->path, /*priority*/5);
2061 	ccb->ccb_h.func_code = XPT_SASYNC_CB;
2062 	ccb->csa.event_enable = AC_LOST_DEVICE;
2063 	ccb->csa.callback = hpt_async;
2064 	ccb->csa.callback_arg = hpt_vsim;
2065 	xpt_action((union ccb *)ccb);
2066 	free(ccb, M_DEVBUF);
2067 
2068 	if (device_get_unit(dev) == 0) {
2069 		/* Start the work thread.  XXX */
2070 		launch_worker_thread();
2071 	}
2072 
2073 	return 0;
2074 }
2075 
2076 static int
2077 hpt_detach(device_t dev)
2078 {
2079 	return (EBUSY);
2080 }
2081 
2082 
2083 /***************************************************************
2084  * The poll function is used to simulate the interrupt when
2085  * the interrupt subsystem is not functioning.
2086  *
2087  ***************************************************************/
2088 static void
2089 hpt_poll(struct cam_sim *sim)
2090 {
2091 	IAL_ADAPTER_T *pAdapter;
2092 
2093 	pAdapter = cam_sim_softc(sim);
2094 
2095 	hpt_intr_locked((void *)cam_sim_softc(sim));
2096 }
2097 
2098 /****************************************************************
2099  *	Name:	hpt_intr
2100  *	Description:	Interrupt handler.
2101  ****************************************************************/
2102 static void
2103 hpt_intr(void *arg)
2104 {
2105 	IAL_ADAPTER_T *pAdapter;
2106 
2107 	pAdapter = arg;
2108 	mtx_lock(&pAdapter->lock);
2109 	hpt_intr_locked(pAdapter);
2110 	mtx_unlock(&pAdapter->lock);
2111 }
2112 
2113 static void
2114 hpt_intr_locked(IAL_ADAPTER_T *pAdapter)
2115 {
2116 
2117 	mtx_assert(&pAdapter->lock, MA_OWNED);
2118 	/* KdPrintI(("----- Entering Isr() -----\n")); */
2119 	if (mvSataInterruptServiceRoutine(&pAdapter->mvSataAdapter) == MV_TRUE)
2120 	{
2121 		_VBUS_INST(&pAdapter->VBus)
2122 		CheckPendingCall(_VBUS_P0);
2123 	}
2124 
2125 	/* KdPrintI(("----- Leaving Isr() -----\n")); */
2126 }
2127 
2128 /**********************************************************
2129  * 			Asynchronous Events
2130  *********************************************************/
2131 #if (!defined(UNREFERENCED_PARAMETER))
2132 #define UNREFERENCED_PARAMETER(x) (void)(x)
2133 #endif
2134 
2135 static void
2136 hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path,
2137     void * arg)
2138 {
2139 	/* debug XXXX */
2140 	panic("Here");
2141 	UNREFERENCED_PARAMETER(callback_arg);
2142 	UNREFERENCED_PARAMETER(code);
2143 	UNREFERENCED_PARAMETER(path);
2144 	UNREFERENCED_PARAMETER(arg);
2145 
2146 }
2147 
2148 static void
2149 FlushAdapter(IAL_ADAPTER_T *pAdapter)
2150 {
2151 	int i;
2152 
2153 	hpt_printk(("flush all devices\n"));
2154 
2155 	/* flush all devices */
2156 	for (i=0; i<MAX_VDEVICE_PER_VBUS; i++) {
2157 		PVDevice pVDev = pAdapter->VBus.pVDevice[i];
2158 		if(pVDev) fFlushVDev(pVDev);
2159 	}
2160 }
2161 
2162 static int
2163 hpt_shutdown(device_t dev)
2164 {
2165 		IAL_ADAPTER_T *pAdapter;
2166 
2167 		pAdapter = device_get_softc(dev);
2168 
2169 		EVENTHANDLER_DEREGISTER(shutdown_final, pAdapter->eh);
2170 		mtx_lock(&pAdapter->lock);
2171 		FlushAdapter(pAdapter);
2172 		mtx_unlock(&pAdapter->lock);
2173 		  /* give the flush some time to happen,
2174 		    *otherwise "shutdown -p now" will make file system corrupted */
2175 		DELAY(1000 * 1000 * 5);
2176 		return 0;
2177 }
2178 
2179 void
2180 Check_Idle_Call(IAL_ADAPTER_T *pAdapter)
2181 {
2182 	_VBUS_INST(&pAdapter->VBus)
2183 
2184 	if (mWaitingForIdle(_VBUS_P0)) {
2185 		CheckIdleCall(_VBUS_P0);
2186 #ifdef SUPPORT_ARRAY
2187 		{
2188 			int i;
2189 			PVDevice pArray;
2190 			for(i = 0; i < MAX_ARRAY_PER_VBUS; i++){
2191 				if ((pArray=ArrayTables(i))->u.array.dArStamp==0)
2192 					continue;
2193 				else if (pArray->u.array.rf_auto_rebuild) {
2194 						KdPrint(("auto rebuild.\n"));
2195 						pArray->u.array.rf_auto_rebuild = 0;
2196 						hpt_queue_dpc((HPT_DPC)hpt_rebuild_data_block, pAdapter, pArray, DUPLICATE);
2197 				}
2198 			}
2199 		}
2200 #endif
2201 	}
2202 	/* launch the awaiting commands blocked by mWaitingForIdle */
2203 	while(pAdapter->pending_Q!= NULL)
2204 	{
2205 		_VBUS_INST(&pAdapter->VBus)
2206 		union ccb *ccb = (union ccb *)pAdapter->pending_Q->ccb_h.ccb_ccb_ptr;
2207 		hpt_free_ccb(&pAdapter->pending_Q, ccb);
2208 		CallAfterReturn(_VBUS_P (DPC_PROC)OsSendCommand, ccb);
2209 	}
2210 }
2211 
2212 static void
2213 ccb_done(union ccb *ccb)
2214 {
2215 	PBUS_DMAMAP pmap = (PBUS_DMAMAP)ccb->ccb_adapter;
2216 	IAL_ADAPTER_T * pAdapter = pmap->pAdapter;
2217 	KdPrintI(("ccb_done: ccb %p status %x\n", ccb, ccb->ccb_h.status));
2218 
2219 	dmamap_put(pmap);
2220 	xpt_done(ccb);
2221 
2222 	pAdapter->outstandingCommands--;
2223 
2224 	if (pAdapter->outstandingCommands == 0)
2225 	{
2226 		if(DPC_Request_Nums == 0)
2227 			Check_Idle_Call(pAdapter);
2228 		wakeup(pAdapter);
2229 	}
2230 }
2231 
2232 /****************************************************************
2233  *	Name:	hpt_action
2234  *	Description:	Process a queued command from the CAM layer.
2235  *	Parameters:		sim - Pointer to SIM object
2236  *					ccb - Pointer to SCSI command structure.
2237  ****************************************************************/
2238 
2239 void
2240 hpt_action(struct cam_sim *sim, union ccb *ccb)
2241 {
2242 	IAL_ADAPTER_T * pAdapter = (IAL_ADAPTER_T *) cam_sim_softc(sim);
2243 	PBUS_DMAMAP  pmap;
2244 	_VBUS_INST(&pAdapter->VBus)
2245 
2246 	mtx_assert(&pAdapter->lock, MA_OWNED);
2247 	CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("hpt_action\n"));
2248 	KdPrint(("hpt_action(%lx,%lx{%x})\n", (u_long)sim, (u_long)ccb, ccb->ccb_h.func_code));
2249 
2250 	switch (ccb->ccb_h.func_code)
2251 	{
2252 		case XPT_SCSI_IO:	/* Execute the requested I/O operation */
2253 		{
2254 			/* ccb->ccb_h.path_id is not our bus id - don't check it */
2255 
2256 			if (ccb->ccb_h.target_lun)	{
2257 				ccb->ccb_h.status = CAM_LUN_INVALID;
2258 				xpt_done(ccb);
2259 				return;
2260 			}
2261 			if (ccb->ccb_h.target_id >= MAX_VDEVICE_PER_VBUS ||
2262 				pAdapter->VBus.pVDevice[ccb->ccb_h.target_id]==0) {
2263 				ccb->ccb_h.status = CAM_TID_INVALID;
2264 				xpt_done(ccb);
2265 				return;
2266 			}
2267 
2268 			if (pAdapter->outstandingCommands==0 && DPC_Request_Nums==0)
2269 				Check_Idle_Call(pAdapter);
2270 
2271 			pmap = dmamap_get(pAdapter);
2272 			HPT_ASSERT(pmap);
2273 			ccb->ccb_adapter = pmap;
2274 			memset((void *)pmap->psg, 0,  sizeof(pmap->psg));
2275 
2276 			if (mWaitingForIdle(_VBUS_P0))
2277 				hpt_queue_ccb(&pAdapter->pending_Q, ccb);
2278 			else
2279 				OsSendCommand(_VBUS_P ccb);
2280 
2281 			/* KdPrint(("leave scsiio\n")); */
2282 			break;
2283 		}
2284 
2285 		case XPT_RESET_BUS:
2286 			KdPrint(("reset bus\n"));
2287 			fResetVBus(_VBUS_P0);
2288 			xpt_done(ccb);
2289 			break;
2290 
2291 		case XPT_RESET_DEV:	/* Bus Device Reset the specified SCSI device */
2292 		case XPT_EN_LUN:		/* Enable LUN as a target */
2293 		case XPT_TARGET_IO:		/* Execute target I/O request */
2294 		case XPT_ACCEPT_TARGET_IO:	/* Accept Host Target Mode CDB */
2295 		case XPT_CONT_TARGET_IO:	/* Continue Host Target I/O Connection*/
2296 		case XPT_ABORT:			/* Abort the specified CCB */
2297 		case XPT_TERM_IO:		/* Terminate the I/O process */
2298 			/* XXX Implement */
2299 			ccb->ccb_h.status = CAM_REQ_INVALID;
2300 			xpt_done(ccb);
2301 			break;
2302 
2303 		case XPT_GET_TRAN_SETTINGS:
2304 		case XPT_SET_TRAN_SETTINGS:
2305 			/* XXX Implement */
2306 			ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
2307 			xpt_done(ccb);
2308 			break;
2309 
2310 		case XPT_CALC_GEOMETRY:
2311 			cam_calc_geometry(&ccb->ccg, 1);
2312 			xpt_done(ccb);
2313 			break;
2314 
2315 		case XPT_PATH_INQ:		/* Path routing inquiry */
2316 		{
2317 			struct ccb_pathinq *cpi = &ccb->cpi;
2318 
2319 			cpi->version_num = 1; /* XXX??? */
2320 			cpi->hba_inquiry = PI_SDTR_ABLE;
2321 			cpi->target_sprt = 0;
2322 			/* Not necessary to reset bus */
2323 			cpi->hba_misc = PIM_NOBUSRESET;
2324 			cpi->hba_eng_cnt = 0;
2325 
2326 			cpi->max_target = MAX_VDEVICE_PER_VBUS;
2327 			cpi->max_lun = 0;
2328 			cpi->initiator_id = MAX_VDEVICE_PER_VBUS;
2329 
2330 			cpi->bus_id = cam_sim_bus(sim);
2331 			cpi->base_transfer_speed = 3300;
2332 			strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
2333 			strncpy(cpi->hba_vid, "HPT   ", HBA_IDLEN);
2334 			strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
2335 			cpi->unit_number = cam_sim_unit(sim);
2336 			cpi->transport = XPORT_SPI;
2337 			cpi->transport_version = 2;
2338 			cpi->protocol = PROTO_SCSI;
2339 			cpi->protocol_version = SCSI_REV_2;
2340 			cpi->ccb_h.status = CAM_REQ_CMP;
2341 			xpt_done(ccb);
2342 			break;
2343 		}
2344 
2345 		default:
2346 			KdPrint(("invalid cmd\n"));
2347 			ccb->ccb_h.status = CAM_REQ_INVALID;
2348 			xpt_done(ccb);
2349 			break;
2350 	}
2351 	/* KdPrint(("leave hpt_action..............\n")); */
2352 }
2353 
2354 /* shall be called at lock_driver() */
2355 static void
2356 hpt_queue_ccb(union ccb **ccb_Q, union ccb *ccb)
2357 {
2358 	if(*ccb_Q == NULL)
2359 		ccb->ccb_h.ccb_ccb_ptr = ccb;
2360 	else {
2361 		ccb->ccb_h.ccb_ccb_ptr = (*ccb_Q)->ccb_h.ccb_ccb_ptr;
2362 		(*ccb_Q)->ccb_h.ccb_ccb_ptr = (char *)ccb;
2363 	}
2364 
2365 	*ccb_Q = ccb;
2366 }
2367 
2368 /* shall be called at lock_driver() */
2369 static void
2370 hpt_free_ccb(union ccb **ccb_Q, union ccb *ccb)
2371 {
2372 	union ccb *TempCCB;
2373 
2374 	TempCCB = *ccb_Q;
2375 
2376 	if(ccb->ccb_h.ccb_ccb_ptr == ccb) /*it means SCpnt is the last one in CURRCMDs*/
2377 		*ccb_Q = NULL;
2378 	else {
2379 		while(TempCCB->ccb_h.ccb_ccb_ptr != (char *)ccb)
2380 			TempCCB = (union ccb *)TempCCB->ccb_h.ccb_ccb_ptr;
2381 
2382 		TempCCB->ccb_h.ccb_ccb_ptr = ccb->ccb_h.ccb_ccb_ptr;
2383 
2384 		if(*ccb_Q == ccb)
2385 			*ccb_Q = TempCCB;
2386 	}
2387 }
2388 
2389 #ifdef SUPPORT_ARRAY
2390 /***************************************************************************
2391  * Function:     hpt_worker_thread
2392  * Description:  Do background rebuilding. Execute in kernel thread context.
2393  * Returns:      None
2394  ***************************************************************************/
2395 static void hpt_worker_thread(void)
2396 {
2397 
2398 	for(;;)	{
2399 		mtx_lock(&DpcQueue_Lock);
2400 		while (DpcQueue_First!=DpcQueue_Last) {
2401 			ST_HPT_DPC p;
2402 			p = DpcQueue[DpcQueue_First];
2403 			DpcQueue_First++;
2404 			DpcQueue_First %= MAX_DPC;
2405 			DPC_Request_Nums++;
2406 			mtx_unlock(&DpcQueue_Lock);
2407 			p.dpc(p.pAdapter, p.arg, p.flags);
2408 
2409 			mtx_lock(&p.pAdapter->lock);
2410 			mtx_lock(&DpcQueue_Lock);
2411 			DPC_Request_Nums--;
2412 			/* since we may have prevented Check_Idle_Call, do it here */
2413 			if (DPC_Request_Nums==0) {
2414 				if (p.pAdapter->outstandingCommands == 0) {
2415 					_VBUS_INST(&p.pAdapter->VBus);
2416 					Check_Idle_Call(p.pAdapter);
2417 					CheckPendingCall(_VBUS_P0);
2418 				}
2419 			}
2420 			mtx_unlock(&p.pAdapter->lock);
2421 			mtx_unlock(&DpcQueue_Lock);
2422 
2423 			/*Schedule out*/
2424 			if (SIGISMEMBER(curproc->p_siglist, SIGSTOP)) {
2425 				/* abort rebuilding process. */
2426 				IAL_ADAPTER_T *pAdapter;
2427 				PVDevice      pArray;
2428 				PVBus         _vbus_p;
2429 				int i;
2430 
2431 				sx_slock(&hptmv_list_lock);
2432 				pAdapter = gIal_Adapter;
2433 
2434 				while(pAdapter != 0){
2435 					mtx_lock(&pAdapter->lock);
2436 					_vbus_p = &pAdapter->VBus;
2437 
2438 					for (i=0;i<MAX_ARRAY_PER_VBUS;i++)
2439 					{
2440 						if ((pArray=ArrayTables(i))->u.array.dArStamp==0)
2441 							continue;
2442 						else if (pArray->u.array.rf_rebuilding ||
2443 								pArray->u.array.rf_verifying ||
2444 								pArray->u.array.rf_initializing)
2445 							{
2446 								pArray->u.array.rf_abort_rebuild = 1;
2447 							}
2448 					}
2449 					mtx_unlock(&pAdapter->lock);
2450 					pAdapter = pAdapter->next;
2451 				}
2452 				sx_sunlock(&hptmv_list_lock);
2453 			}
2454 			mtx_lock(&DpcQueue_Lock);
2455 		}
2456 		mtx_unlock(&DpcQueue_Lock);
2457 
2458 /*Remove this debug option*/
2459 /*
2460 #ifdef DEBUG
2461 		if (SIGISMEMBER(curproc->p_siglist, SIGSTOP))
2462 			pause("hptrdy", 2*hz);
2463 #endif
2464 */
2465 		kproc_suspend_check(curproc);
2466 		pause("-", 2*hz);  /* wait for something to do */
2467 	}
2468 }
2469 
2470 static struct proc *hptdaemonproc;
2471 static struct kproc_desc hpt_kp = {
2472 	"hpt_wt",
2473 	hpt_worker_thread,
2474 	&hptdaemonproc
2475 };
2476 
2477 /*Start this thread in the hpt_attach, to prevent kernel from loading it without our controller.*/
2478 static void
2479 launch_worker_thread(void)
2480 {
2481 	IAL_ADAPTER_T *pAdapTemp;
2482 
2483 	kproc_start(&hpt_kp);
2484 
2485 	sx_slock(&hptmv_list_lock);
2486 	for (pAdapTemp = gIal_Adapter; pAdapTemp; pAdapTemp = pAdapTemp->next) {
2487 
2488 		_VBUS_INST(&pAdapTemp->VBus)
2489 		int i;
2490 		PVDevice pVDev;
2491 
2492 		for(i = 0; i < MAX_ARRAY_PER_VBUS; i++)
2493 			if ((pVDev=ArrayTables(i))->u.array.dArStamp==0)
2494 				continue;
2495 			else{
2496 				if (pVDev->u.array.rf_need_rebuild && !pVDev->u.array.rf_rebuilding)
2497 					hpt_queue_dpc((HPT_DPC)hpt_rebuild_data_block, pAdapTemp, pVDev,
2498 					(UCHAR)((pVDev->u.array.CriticalMembers || pVDev->VDeviceType == VD_RAID_1)? DUPLICATE : REBUILD_PARITY));
2499 			}
2500 	}
2501 	sx_sunlock(&hptmv_list_lock);
2502 
2503 	/*
2504 	 * hpt_worker_thread needs to be suspended after shutdown sync, when fs sync finished.
2505 	 */
2506 	EVENTHANDLER_REGISTER(shutdown_post_sync, kproc_shutdown, hptdaemonproc,
2507 	    SHUTDOWN_PRI_LAST);
2508 }
2509 /*
2510  *SYSINIT(hptwt, SI_SUB_KTHREAD_IDLE, SI_ORDER_FIRST, launch_worker_thread, NULL);
2511 */
2512 
2513 #endif
2514 
2515 /********************************************************************************/
2516 
2517 int HPTLIBAPI fOsBuildSgl(_VBUS_ARG PCommand pCmd, FPSCAT_GATH pSg, int logical)
2518 {
2519 	union ccb *ccb = (union ccb *)pCmd->pOrgCommand;
2520 
2521 	if (logical) {
2522 		pSg->dSgAddress = (ULONG_PTR)(UCHAR *)ccb->csio.data_ptr;
2523 		pSg->wSgSize = ccb->csio.dxfer_len;
2524 		pSg->wSgFlag = SG_FLAG_EOT;
2525 		return TRUE;
2526 	}
2527 	/* since we have provided physical sg, nobody will ask us to build physical sg */
2528 	HPT_ASSERT(0);
2529 	return FALSE;
2530 }
2531 
2532 /*******************************************************************************/
2533 ULONG HPTLIBAPI
2534 GetStamp(void)
2535 {
2536 	/*
2537 	 * the system variable, ticks, can't be used since it hasn't yet been active
2538 	 * when our driver starts (ticks==0, it's a invalid stamp value)
2539 	 */
2540 	ULONG stamp;
2541 	do { stamp = random(); } while (stamp==0);
2542 	return stamp;
2543 }
2544 
2545 
2546 static void
2547 SetInquiryData(PINQUIRYDATA inquiryData, PVDevice pVDev)
2548 {
2549 	int i;
2550 	IDENTIFY_DATA2 *pIdentify = (IDENTIFY_DATA2*)pVDev->u.disk.mv->identifyDevice;
2551 
2552 	inquiryData->DeviceType = T_DIRECT; /*DIRECT_ACCESS_DEVICE*/
2553 	inquiryData->AdditionalLength = (UCHAR)(sizeof(INQUIRYDATA) - 5);
2554 #ifndef SERIAL_CMDS
2555 	inquiryData->CommandQueue = 1;
2556 #endif
2557 
2558 	switch(pVDev->VDeviceType) {
2559 	case VD_SINGLE_DISK:
2560 	case VD_ATAPI:
2561 	case VD_REMOVABLE:
2562 		/* Set the removable bit, if applicable. */
2563 		if ((pVDev->u.disk.df_removable_drive) || (pIdentify->GeneralConfiguration & 0x80))
2564 			inquiryData->RemovableMedia = 1;
2565 
2566 		/* Fill in vendor identification fields. */
2567 		for (i = 0; i < 20; i += 2) {
2568 			inquiryData->VendorId[i] 	= ((PUCHAR)pIdentify->ModelNumber)[i + 1];
2569 			inquiryData->VendorId[i+1] 	= ((PUCHAR)pIdentify->ModelNumber)[i];
2570 
2571 		}
2572 
2573 		/* Initialize unused portion of product id. */
2574 		for (i = 0; i < 4; i++) inquiryData->ProductId[12+i] = ' ';
2575 
2576 		/* firmware revision */
2577 		for (i = 0; i < 4; i += 2)
2578 		{
2579 			inquiryData->ProductRevisionLevel[i] 	= ((PUCHAR)pIdentify->FirmwareRevision)[i+1];
2580 			inquiryData->ProductRevisionLevel[i+1] 	= ((PUCHAR)pIdentify->FirmwareRevision)[i];
2581 		}
2582 		break;
2583 	default:
2584 		memcpy(&inquiryData->VendorId, "RR18xx  ", 8);
2585 #ifdef SUPPORT_ARRAY
2586 		switch(pVDev->VDeviceType){
2587 		case VD_RAID_0:
2588 			if ((pVDev->u.array.pMember[0] && mIsArray(pVDev->u.array.pMember[0])) ||
2589 				(pVDev->u.array.pMember[1] && mIsArray(pVDev->u.array.pMember[1])))
2590 				memcpy(&inquiryData->ProductId, "RAID 1/0 Array  ", 16);
2591 			else
2592 				memcpy(&inquiryData->ProductId, "RAID 0 Array    ", 16);
2593 			break;
2594 		case VD_RAID_1:
2595 			if ((pVDev->u.array.pMember[0] && mIsArray(pVDev->u.array.pMember[0])) ||
2596 				(pVDev->u.array.pMember[1] && mIsArray(pVDev->u.array.pMember[1])))
2597 				memcpy(&inquiryData->ProductId, "RAID 0/1 Array  ", 16);
2598 			else
2599 				memcpy(&inquiryData->ProductId, "RAID 1 Array    ", 16);
2600 			break;
2601 		case VD_RAID_5:
2602 			memcpy(&inquiryData->ProductId, "RAID 5 Array    ", 16);
2603 			break;
2604 		case VD_JBOD:
2605 			memcpy(&inquiryData->ProductId, "JBOD Array      ", 16);
2606 			break;
2607 		}
2608 #endif
2609 		memcpy(&inquiryData->ProductRevisionLevel, "3.00", 4);
2610 		break;
2611 	}
2612 }
2613 
2614 static void
2615 hpt_timeout(void *arg)
2616 {
2617 	PBUS_DMAMAP pmap = (PBUS_DMAMAP)((union ccb *)arg)->ccb_adapter;
2618 	IAL_ADAPTER_T *pAdapter = pmap->pAdapter;
2619 	_VBUS_INST(&pAdapter->VBus)
2620 
2621 	mtx_assert(&pAdapter->lock, MA_OWNED);
2622 	fResetVBus(_VBUS_P0);
2623 }
2624 
2625 static void
2626 hpt_io_dmamap_callback(void *arg, bus_dma_segment_t *segs, int nsegs, int error)
2627 {
2628 	PCommand pCmd = (PCommand)arg;
2629 	union ccb *ccb = pCmd->pOrgCommand;
2630 	struct ccb_hdr *ccb_h = &ccb->ccb_h;
2631 	PBUS_DMAMAP pmap = (PBUS_DMAMAP) ccb->ccb_adapter;
2632 	IAL_ADAPTER_T *pAdapter = pmap->pAdapter;
2633 	PVDevice	pVDev = pAdapter->VBus.pVDevice[ccb_h->target_id];
2634 	FPSCAT_GATH psg = pCmd->pSgTable;
2635 	int idx;
2636 	_VBUS_INST(pVDev->pVBus)
2637 
2638 	HPT_ASSERT(pCmd->cf_physical_sg);
2639 
2640 	if (error)
2641 		panic("busdma error");
2642 
2643 	HPT_ASSERT(nsegs<= MAX_SG_DESCRIPTORS);
2644 
2645 	if (nsegs != 0) {
2646 		for (idx = 0; idx < nsegs; idx++, psg++) {
2647 			psg->dSgAddress = (ULONG_PTR)(UCHAR *)segs[idx].ds_addr;
2648 			psg->wSgSize = segs[idx].ds_len;
2649 			psg->wSgFlag = (idx == nsegs-1)? SG_FLAG_EOT: 0;
2650 	/*		KdPrint(("psg[%d]:add=%p,size=%x,flag=%x\n", idx, psg->dSgAddress,psg->wSgSize,psg->wSgFlag)); */
2651 		}
2652 		/*	psg[-1].wSgFlag = SG_FLAG_EOT; */
2653 
2654 		if (pCmd->cf_data_in) {
2655 			bus_dmamap_sync(pAdapter->io_dma_parent, pmap->dma_map,
2656 			    BUS_DMASYNC_PREREAD);
2657 		}
2658 		else if (pCmd->cf_data_out) {
2659 			bus_dmamap_sync(pAdapter->io_dma_parent, pmap->dma_map,
2660 			    BUS_DMASYNC_PREWRITE);
2661 		}
2662 	}
2663 
2664 	callout_reset(&pmap->timeout, 20 * hz, hpt_timeout, ccb);
2665 	pVDev->pfnSendCommand(_VBUS_P pCmd);
2666 	CheckPendingCall(_VBUS_P0);
2667 }
2668 
2669 
2670 
2671 static void HPTLIBAPI
2672 OsSendCommand(_VBUS_ARG union ccb *ccb)
2673 {
2674 	PBUS_DMAMAP pmap = (PBUS_DMAMAP)ccb->ccb_adapter;
2675 	IAL_ADAPTER_T *pAdapter = pmap->pAdapter;
2676 	struct ccb_hdr *ccb_h = &ccb->ccb_h;
2677 	struct ccb_scsiio *csio = &ccb->csio;
2678 	PVDevice	pVDev = pAdapter->VBus.pVDevice[ccb_h->target_id];
2679 
2680 	KdPrintI(("OsSendCommand: ccb %p  cdb %x-%x-%x\n",
2681 		ccb,
2682 		*(ULONG *)&ccb->csio.cdb_io.cdb_bytes[0],
2683 		*(ULONG *)&ccb->csio.cdb_io.cdb_bytes[4],
2684 		*(ULONG *)&ccb->csio.cdb_io.cdb_bytes[8]
2685 	));
2686 
2687 	pAdapter->outstandingCommands++;
2688 
2689 	if (pVDev == NULL || pVDev->vf_online == 0) {
2690 		ccb->ccb_h.status = CAM_REQ_INVALID;
2691 		ccb_done(ccb);
2692 		goto Command_Complished;
2693 	}
2694 
2695 	switch(ccb->csio.cdb_io.cdb_bytes[0])
2696 	{
2697 		case TEST_UNIT_READY:
2698 		case START_STOP_UNIT:
2699 		case SYNCHRONIZE_CACHE:
2700 			/* FALLTHROUGH */
2701 			ccb->ccb_h.status = CAM_REQ_CMP;
2702 			break;
2703 
2704 		case INQUIRY:
2705 			ZeroMemory(ccb->csio.data_ptr, ccb->csio.dxfer_len);
2706 			SetInquiryData((PINQUIRYDATA)ccb->csio.data_ptr, pVDev);
2707 			ccb_h->status = CAM_REQ_CMP;
2708 			break;
2709 
2710 		case READ_CAPACITY:
2711 		{
2712 			UCHAR *rbuf=csio->data_ptr;
2713 			unsigned int cap;
2714 
2715 			if (pVDev->VDeviceCapacity > 0xfffffffful) {
2716 				cap = 0xfffffffful;
2717 			} else {
2718 				cap = pVDev->VDeviceCapacity - 1;
2719 			}
2720 
2721 			rbuf[0] = (UCHAR)(cap>>24);
2722 			rbuf[1] = (UCHAR)(cap>>16);
2723 			rbuf[2] = (UCHAR)(cap>>8);
2724 			rbuf[3] = (UCHAR)cap;
2725 			/* Claim 512 byte blocks (big-endian). */
2726 			rbuf[4] = 0;
2727 			rbuf[5] = 0;
2728 			rbuf[6] = 2;
2729 			rbuf[7] = 0;
2730 
2731 			ccb_h->status = CAM_REQ_CMP;
2732 			break;
2733 		}
2734 
2735 		case 0x9e: /*SERVICE_ACTION_IN*/
2736 		{
2737 			UCHAR *rbuf = csio->data_ptr;
2738 			LBA_T cap = pVDev->VDeviceCapacity - 1;
2739 
2740 			rbuf[0] = (UCHAR)(cap>>56);
2741 			rbuf[1] = (UCHAR)(cap>>48);
2742 			rbuf[2] = (UCHAR)(cap>>40);
2743 			rbuf[3] = (UCHAR)(cap>>32);
2744 			rbuf[4] = (UCHAR)(cap>>24);
2745 			rbuf[5] = (UCHAR)(cap>>16);
2746 			rbuf[6] = (UCHAR)(cap>>8);
2747 			rbuf[7] = (UCHAR)cap;
2748 			rbuf[8] = 0;
2749 			rbuf[9] = 0;
2750 			rbuf[10] = 2;
2751 			rbuf[11] = 0;
2752 
2753 			ccb_h->status = CAM_REQ_CMP;
2754 			break;
2755 		}
2756 
2757 		case READ_6:
2758 		case WRITE_6:
2759 		case READ_10:
2760 		case WRITE_10:
2761 		case 0x88: /* READ_16 */
2762 		case 0x8a: /* WRITE_16 */
2763 		case 0x13:
2764 		case 0x2f:
2765 		{
2766 			UCHAR Cdb[16];
2767 			UCHAR CdbLength;
2768 			_VBUS_INST(pVDev->pVBus)
2769 			PCommand pCmd = AllocateCommand(_VBUS_P0);
2770 			int error;
2771 			HPT_ASSERT(pCmd);
2772 
2773 			CdbLength = csio->cdb_len;
2774 			if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0)
2775 			{
2776 				if ((ccb->ccb_h.flags & CAM_CDB_PHYS) == 0)
2777 				{
2778 					bcopy(csio->cdb_io.cdb_ptr, Cdb, CdbLength);
2779 				}
2780 				else
2781 				{
2782 					KdPrintE(("ERROR!!!\n"));
2783 					ccb->ccb_h.status = CAM_REQ_INVALID;
2784 					break;
2785 				}
2786 			}
2787 			else
2788 			{
2789 				bcopy(csio->cdb_io.cdb_bytes, Cdb, CdbLength);
2790 			}
2791 
2792 			pCmd->pOrgCommand = ccb;
2793 			pCmd->pVDevice = pVDev;
2794 			pCmd->pfnCompletion = fOsCommandDone;
2795 			pCmd->pfnBuildSgl = fOsBuildSgl;
2796 			pCmd->pSgTable = pmap->psg;
2797 
2798 			switch (Cdb[0])
2799 			{
2800 				case READ_6:
2801 				case WRITE_6:
2802 				case 0x13:
2803 					pCmd->uCmd.Ide.Lba =  ((ULONG)Cdb[1] << 16) | ((ULONG)Cdb[2] << 8) | (ULONG)Cdb[3];
2804 					pCmd->uCmd.Ide.nSectors = (USHORT) Cdb[4];
2805 					break;
2806 
2807 				case 0x88: /* READ_16 */
2808 				case 0x8a: /* WRITE_16 */
2809 					pCmd->uCmd.Ide.Lba =
2810 						(HPT_U64)Cdb[2] << 56 |
2811 						(HPT_U64)Cdb[3] << 48 |
2812 						(HPT_U64)Cdb[4] << 40 |
2813 						(HPT_U64)Cdb[5] << 32 |
2814 						(HPT_U64)Cdb[6] << 24 |
2815 						(HPT_U64)Cdb[7] << 16 |
2816 						(HPT_U64)Cdb[8] << 8 |
2817 						(HPT_U64)Cdb[9];
2818 					pCmd->uCmd.Ide.nSectors = (USHORT)Cdb[12] << 8 | (USHORT)Cdb[13];
2819 					break;
2820 
2821 				default:
2822 					pCmd->uCmd.Ide.Lba = (ULONG)Cdb[5] | ((ULONG)Cdb[4] << 8) | ((ULONG)Cdb[3] << 16) | ((ULONG)Cdb[2] << 24);
2823 					pCmd->uCmd.Ide.nSectors = (USHORT) Cdb[8] | ((USHORT)Cdb[7]<<8);
2824 					break;
2825 			}
2826 
2827 			switch (Cdb[0])
2828 			{
2829 				case READ_6:
2830 				case READ_10:
2831 				case 0x88: /* READ_16 */
2832 					pCmd->uCmd.Ide.Command = IDE_COMMAND_READ;
2833 					pCmd->cf_data_in = 1;
2834 					break;
2835 
2836 				case WRITE_6:
2837 				case WRITE_10:
2838 				case 0x8a: /* WRITE_16 */
2839 					pCmd->uCmd.Ide.Command = IDE_COMMAND_WRITE;
2840 					pCmd->cf_data_out = 1;
2841 					break;
2842 				case 0x13:
2843 				case 0x2f:
2844 					pCmd->uCmd.Ide.Command = IDE_COMMAND_VERIFY;
2845 					break;
2846 			}
2847 /*///////////////////////// */
2848 			pCmd->cf_physical_sg = 1;
2849 			error = bus_dmamap_load_ccb(pAdapter->io_dma_parent,
2850 						    pmap->dma_map,
2851 						    ccb,
2852 						    hpt_io_dmamap_callback,
2853 						    pCmd, BUS_DMA_WAITOK
2854 						    );
2855 			KdPrint(("bus_dmamap_load return %d\n", error));
2856 			if (error && error!=EINPROGRESS) {
2857 				hpt_printk(("bus_dmamap_load error %d\n", error));
2858 				FreeCommand(_VBUS_P pCmd);
2859 				ccb->ccb_h.status = CAM_REQ_CMP_ERR;
2860 				dmamap_put(pmap);
2861 				pAdapter->outstandingCommands--;
2862 				if (pAdapter->outstandingCommands == 0)
2863 					wakeup(pAdapter);
2864 				xpt_done(ccb);
2865 			}
2866 			goto Command_Complished;
2867 		}
2868 
2869 		default:
2870 			ccb->ccb_h.status = CAM_REQ_INVALID;
2871 			break;
2872 	}
2873 	ccb_done(ccb);
2874 Command_Complished:
2875 	CheckPendingCall(_VBUS_P0);
2876 	return;
2877 }
2878 
2879 static void HPTLIBAPI
2880 fOsCommandDone(_VBUS_ARG PCommand pCmd)
2881 {
2882 	union ccb *ccb = pCmd->pOrgCommand;
2883 	PBUS_DMAMAP pmap = (PBUS_DMAMAP)ccb->ccb_adapter;
2884 	IAL_ADAPTER_T *pAdapter = pmap->pAdapter;
2885 
2886 	KdPrint(("fOsCommandDone(pcmd=%p, result=%d)\n", pCmd, pCmd->Result));
2887 
2888 	callout_stop(&pmap->timeout);
2889 
2890 	switch(pCmd->Result) {
2891 	case RETURN_SUCCESS:
2892 		ccb->ccb_h.status = CAM_REQ_CMP;
2893 		break;
2894 	case RETURN_BAD_DEVICE:
2895 		ccb->ccb_h.status = CAM_DEV_NOT_THERE;
2896 		break;
2897 	case RETURN_DEVICE_BUSY:
2898 		ccb->ccb_h.status = CAM_BUSY;
2899 		break;
2900 	case RETURN_INVALID_REQUEST:
2901 		ccb->ccb_h.status = CAM_REQ_INVALID;
2902 		break;
2903 	case RETURN_SELECTION_TIMEOUT:
2904 		ccb->ccb_h.status = CAM_SEL_TIMEOUT;
2905 		break;
2906 	case RETURN_RETRY:
2907 		ccb->ccb_h.status = CAM_BUSY;
2908 		break;
2909 	default:
2910 		ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR;
2911 		break;
2912 	}
2913 
2914 	if (pCmd->cf_data_in) {
2915 		bus_dmamap_sync(pAdapter->io_dma_parent, pmap->dma_map, BUS_DMASYNC_POSTREAD);
2916 	}
2917 	else if (pCmd->cf_data_out) {
2918 		bus_dmamap_sync(pAdapter->io_dma_parent, pmap->dma_map, BUS_DMASYNC_POSTWRITE);
2919 	}
2920 
2921 	bus_dmamap_unload(pAdapter->io_dma_parent, pmap->dma_map);
2922 
2923 	FreeCommand(_VBUS_P pCmd);
2924 	ccb_done(ccb);
2925 }
2926 
2927 int
2928 hpt_queue_dpc(HPT_DPC dpc, IAL_ADAPTER_T * pAdapter, void *arg, UCHAR flags)
2929 {
2930 	int p;
2931 
2932 	mtx_lock(&DpcQueue_Lock);
2933 	p = (DpcQueue_Last + 1) % MAX_DPC;
2934 	if (p==DpcQueue_First) {
2935 		KdPrint(("DPC Queue full!\n"));
2936 		mtx_unlock(&DpcQueue_Lock);
2937 		return -1;
2938 	}
2939 
2940 	DpcQueue[DpcQueue_Last].dpc = dpc;
2941 	DpcQueue[DpcQueue_Last].pAdapter = pAdapter;
2942 	DpcQueue[DpcQueue_Last].arg = arg;
2943 	DpcQueue[DpcQueue_Last].flags = flags;
2944 	DpcQueue_Last = p;
2945 	mtx_unlock(&DpcQueue_Lock);
2946 
2947 	return 0;
2948 }
2949 
2950 #ifdef _RAID5N_
2951 /*
2952  * Allocate memory above 16M, otherwise we may eat all low memory for ISA devices.
2953  * How about the memory for 5081 request/response array and PRD table?
2954  */
2955 void
2956 *os_alloc_page(_VBUS_ARG0)
2957 {
2958 	return (void *)contigmalloc(0x1000, M_DEVBUF, M_NOWAIT, 0x1000000, 0xffffffff, PAGE_SIZE, 0ul);
2959 }
2960 
2961 void
2962 *os_alloc_dma_page(_VBUS_ARG0)
2963 {
2964 	return (void *)contigmalloc(0x1000, M_DEVBUF, M_NOWAIT, 0x1000000, 0xffffffff, PAGE_SIZE, 0ul);
2965 }
2966 
2967 void
2968 os_free_page(_VBUS_ARG void *p)
2969 {
2970 	contigfree(p, 0x1000, M_DEVBUF);
2971 }
2972 
2973 void
2974 os_free_dma_page(_VBUS_ARG void *p)
2975 {
2976 	contigfree(p, 0x1000, M_DEVBUF);
2977 }
2978 
2979 void
2980 DoXor1(ULONG *p0, ULONG *p1, ULONG *p2, UINT nBytes)
2981 {
2982 	UINT i;
2983 	for (i = 0; i < nBytes / 4; i++) *p0++ = *p1++ ^ *p2++;
2984 }
2985 
2986 void
2987 DoXor2(ULONG *p0, ULONG *p2, UINT nBytes)
2988 {
2989 	UINT i;
2990 	for (i = 0; i < nBytes / 4; i++) *p0++ ^= *p2++;
2991 }
2992 #endif
2993