xref: /freebsd/sys/dev/hptmv/entry.c (revision 1323ec571215a77ddd21294f0871979d5ad6b992)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3  *
4  * Copyright (c) 2004-2005 HighPoint Technologies, Inc.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  */
28 
29 #include <sys/cdefs.h>
30 __FBSDID("$FreeBSD$");
31 
32 #include <sys/param.h>
33 #include <sys/systm.h>
34 #include <sys/kernel.h>
35 #include <sys/bus.h>
36 #include <sys/malloc.h>
37 #include <sys/resource.h>
38 #include <sys/time.h>
39 #include <sys/callout.h>
40 #include <sys/signalvar.h>
41 #include <sys/eventhandler.h>
42 #include <sys/proc.h>
43 #include <sys/kthread.h>
44 
45 #include <sys/mutex.h>
46 #include <sys/module.h>
47 #include <sys/sx.h>
48 
49 #include <dev/pci/pcireg.h>
50 #include <dev/pci/pcivar.h>
51 
52 #ifndef __KERNEL__
53 #define __KERNEL__
54 #endif
55 
56 #include <dev/hptmv/global.h>
57 #include <dev/hptmv/hptintf.h>
58 #include <dev/hptmv/osbsd.h>
59 #include <dev/hptmv/access601.h>
60 
61 
62 #ifdef DEBUG
63 #ifdef DEBUG_LEVEL
64 int hpt_dbg_level = DEBUG_LEVEL;
65 #else
66 int hpt_dbg_level = 0;
67 #endif
68 #endif
69 
70 #define MV_ERROR printf
71 
72 /*
73  * CAM SIM entry points
74  */
75 static int 	hpt_probe (device_t dev);
76 static void launch_worker_thread(void);
77 static int 	hpt_attach(device_t dev);
78 static int 	hpt_detach(device_t dev);
79 static int 	hpt_shutdown(device_t dev);
80 static void hpt_poll(struct cam_sim *sim);
81 static void hpt_intr(void *arg);
82 static void hpt_async(void *callback_arg, u_int32_t code, struct cam_path *path, void *arg);
83 static void hpt_action(struct cam_sim *sim, union ccb *ccb);
84 
85 static device_method_t driver_methods[] = {
86 	/* Device interface */
87 	DEVMETHOD(device_probe,		hpt_probe),
88 	DEVMETHOD(device_attach,	hpt_attach),
89 	DEVMETHOD(device_detach,	hpt_detach),
90 
91 	DEVMETHOD(device_shutdown,	hpt_shutdown),
92 	DEVMETHOD_END
93 };
94 
95 static driver_t hpt_pci_driver = {
96 	__str(PROC_DIR_NAME),
97 	driver_methods,
98 	sizeof(IAL_ADAPTER_T)
99 };
100 
101 static devclass_t	hpt_devclass;
102 
103 #define __DRIVER_MODULE(p1, p2, p3, p4, p5, p6) DRIVER_MODULE(p1, p2, p3, p4, p5, p6)
104 __DRIVER_MODULE(PROC_DIR_NAME, pci, hpt_pci_driver, hpt_devclass, 0, 0);
105 MODULE_DEPEND(PROC_DIR_NAME, cam, 1, 1, 1);
106 
107 #define ccb_ccb_ptr spriv_ptr0
108 #define ccb_adapter ccb_h.spriv_ptr1
109 
110 static void SetInquiryData(PINQUIRYDATA inquiryData, PVDevice pVDev);
111 static void HPTLIBAPI OsSendCommand (_VBUS_ARG union ccb * ccb);
112 static void HPTLIBAPI fOsCommandDone(_VBUS_ARG PCommand pCmd);
113 static void ccb_done(union ccb *ccb);
114 static void hpt_queue_ccb(union ccb **ccb_Q, union ccb *ccb);
115 static void hpt_free_ccb(union ccb **ccb_Q, union ccb *ccb);
116 static void hpt_intr_locked(IAL_ADAPTER_T *pAdapter);
117 static void	hptmv_free_edma_queues(IAL_ADAPTER_T *pAdapter);
118 static void	hptmv_free_channel(IAL_ADAPTER_T *pAdapter, MV_U8 channelNum);
119 static void	handleEdmaError(_VBUS_ARG PCommand pCmd);
120 static int	hptmv_init_channel(IAL_ADAPTER_T *pAdapter, MV_U8 channelNum);
121 static int	fResetActiveCommands(PVBus _vbus_p);
122 static void	fRegisterVdevice(IAL_ADAPTER_T *pAdapter);
123 static int	hptmv_allocate_edma_queues(IAL_ADAPTER_T *pAdapter);
124 static void	hptmv_handle_event_disconnect(void *data);
125 static void	hptmv_handle_event_connect(void *data);
126 static int	start_channel(IAL_ADAPTER_T *pAdapter, MV_U8 channelNum);
127 static void	init_vdev_params(IAL_ADAPTER_T *pAdapter, MV_U8 channel);
128 static int	hptmv_parse_identify_results(MV_SATA_CHANNEL *pMvSataChannel);
129 static int HPTLIBAPI fOsBuildSgl(_VBUS_ARG PCommand pCmd, FPSCAT_GATH pSg,
130     int logical);
131 static MV_BOOLEAN CommandCompletionCB(MV_SATA_ADAPTER *pMvSataAdapter,
132     MV_U8 channelNum, MV_COMPLETION_TYPE comp_type, MV_VOID_PTR commandId,
133     MV_U16 responseFlags, MV_U32 timeStamp,
134     MV_STORAGE_DEVICE_REGISTERS *registerStruct);
135 static MV_BOOLEAN hptmv_event_notify(MV_SATA_ADAPTER *pMvSataAdapter,
136     MV_EVENT_TYPE eventType, MV_U32 param1, MV_U32 param2);
137 
138 #define ccb_ccb_ptr spriv_ptr0
139 #define ccb_adapter ccb_h.spriv_ptr1
140 
141 static struct sx hptmv_list_lock;
142 SX_SYSINIT(hptmv_list_lock, &hptmv_list_lock, "hptmv list");
143 IAL_ADAPTER_T *gIal_Adapter = NULL;
144 IAL_ADAPTER_T *pCurAdapter = NULL;
145 static MV_SATA_CHANNEL gMvSataChannels[MAX_VBUS][MV_SATA_CHANNELS_NUM];
146 
147 typedef struct st_HPT_DPC {
148 	IAL_ADAPTER_T *pAdapter;
149 	void (*dpc)(IAL_ADAPTER_T *, void *, UCHAR);
150 	void *arg;
151 	UCHAR flags;
152 } ST_HPT_DPC;
153 
154 #define MAX_DPC 16
155 UCHAR DPC_Request_Nums = 0;
156 static ST_HPT_DPC DpcQueue[MAX_DPC];
157 static int DpcQueue_First=0;
158 static int DpcQueue_Last = 0;
159 static struct mtx DpcQueue_Lock;
160 MTX_SYSINIT(hpmtv_dpc_lock, &DpcQueue_Lock, "hptmv dpc", MTX_DEF);
161 
162 char DRIVER_VERSION[] = "v1.16";
163 
164 /*******************************************************************************
165  *	Name:	hptmv_free_channel
166  *
167  *	Description:	free allocated queues for the given channel
168  *
169  *	Parameters:    	pMvSataAdapter - pointer to the RR18xx controller this
170  * 					channel connected to.
171  *			channelNum - channel number.
172  *
173  ******************************************************************************/
174 static void
175 hptmv_free_channel(IAL_ADAPTER_T *pAdapter, MV_U8 channelNum)
176 {
177 	HPT_ASSERT(channelNum < MV_SATA_CHANNELS_NUM);
178 	pAdapter->mvSataAdapter.sataChannel[channelNum] = NULL;
179 }
180 
181 static void failDevice(PVDevice pVDev)
182 {
183 	PVBus _vbus_p = pVDev->pVBus;
184 	IAL_ADAPTER_T *pAdapter = (IAL_ADAPTER_T *)_vbus_p->OsExt;
185 
186 	pVDev->u.disk.df_on_line = 0;
187 	pVDev->vf_online = 0;
188 	if (pVDev->pfnDeviceFailed)
189 		CallWhenIdle(_VBUS_P (DPC_PROC)pVDev->pfnDeviceFailed, pVDev);
190 
191 	fNotifyGUI(ET_DEVICE_REMOVED, pVDev);
192 
193 #ifndef FOR_DEMO
194 	if (pAdapter->ver_601==2 && !pAdapter->beeping) {
195 		pAdapter->beeping = 1;
196 		BeepOn(pAdapter->mvSataAdapter.adapterIoBaseAddress);
197 		set_fail_led(&pAdapter->mvSataAdapter, pVDev->u.disk.mv->channelNumber, 1);
198 	}
199 #endif
200 }
201 
202 int MvSataResetChannel(MV_SATA_ADAPTER *pMvSataAdapter, MV_U8 channel);
203 
204 static void
205 handleEdmaError(_VBUS_ARG PCommand pCmd)
206 {
207 	PDevice pDevice = &pCmd->pVDevice->u.disk;
208 	MV_SATA_ADAPTER * pSataAdapter = pDevice->mv->mvSataAdapter;
209 
210 	if (!pDevice->df_on_line) {
211 		KdPrint(("Device is offline"));
212 		pCmd->Result = RETURN_BAD_DEVICE;
213 		CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
214 		return;
215 	}
216 
217 	if (pCmd->RetryCount++>5) {
218 		hpt_printk(("too many retries on channel(%d)\n", pDevice->mv->channelNumber));
219 failed:
220 		failDevice(pCmd->pVDevice);
221 		pCmd->Result = RETURN_IDE_ERROR;
222 		CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
223 		return;
224 	}
225 
226 	/* reset the channel and retry the command */
227 	if (MvSataResetChannel(pSataAdapter, pDevice->mv->channelNumber))
228 		goto failed;
229 
230 	fNotifyGUI(ET_DEVICE_ERROR, Map2pVDevice(pDevice));
231 
232 	hpt_printk(("Retry on channel(%d)\n", pDevice->mv->channelNumber));
233 	fDeviceSendCommand(_VBUS_P pCmd);
234 }
235 
236 /****************************************************************
237  *	Name:	hptmv_init_channel
238  *
239  *	Description:	allocate request and response queues for the EDMA of the
240  *					given channel and sets other fields.
241  *
242  *	Parameters:
243  *		pAdapter - pointer to the emulated adapter data structure
244  *		channelNum - channel number.
245  *	Return:	0 on success, otherwise on failure
246  ****************************************************************/
247 static int
248 hptmv_init_channel(IAL_ADAPTER_T *pAdapter, MV_U8 channelNum)
249 {
250 	MV_SATA_CHANNEL *pMvSataChannel;
251 	dma_addr_t    req_dma_addr;
252 	dma_addr_t    rsp_dma_addr;
253 
254 	if (channelNum >= MV_SATA_CHANNELS_NUM)
255 	{
256 		MV_ERROR("RR18xx[%d]: Bad channelNum=%d",
257 				 pAdapter->mvSataAdapter.adapterId, channelNum);
258 		return -1;
259 	}
260 
261 	pMvSataChannel = &gMvSataChannels[pAdapter->mvSataAdapter.adapterId][channelNum];
262 	pAdapter->mvSataAdapter.sataChannel[channelNum] = pMvSataChannel;
263 	pMvSataChannel->channelNumber = channelNum;
264 	pMvSataChannel->lba48Address = MV_FALSE;
265 	pMvSataChannel->maxReadTransfer = MV_FALSE;
266 
267 	pMvSataChannel->requestQueue = (struct mvDmaRequestQueueEntry *)
268 								   (pAdapter->requestsArrayBaseAlignedAddr + (channelNum * MV_EDMA_REQUEST_QUEUE_SIZE));
269 	req_dma_addr = pAdapter->requestsArrayBaseDmaAlignedAddr + (channelNum * MV_EDMA_REQUEST_QUEUE_SIZE);
270 
271 
272 	KdPrint(("requestQueue addr is 0x%llX", (HPT_U64)(ULONG_PTR)req_dma_addr));
273 
274 	/* check the 1K alignment of the request queue*/
275 	if (req_dma_addr & 0x3ff)
276 	{
277 		MV_ERROR("RR18xx[%d]: request queue allocated isn't 1 K aligned,"
278 				 " dma_addr=%llx channel=%d\n", pAdapter->mvSataAdapter.adapterId,
279 				 (HPT_U64)(ULONG_PTR)req_dma_addr, channelNum);
280 		return -1;
281 	}
282 	pMvSataChannel->requestQueuePciLowAddress = req_dma_addr;
283 	pMvSataChannel->requestQueuePciHiAddress = 0;
284 	KdPrint(("RR18xx[%d,%d]: request queue allocated: 0x%p",
285 			  pAdapter->mvSataAdapter.adapterId, channelNum,
286 			  pMvSataChannel->requestQueue));
287 	pMvSataChannel->responseQueue = (struct mvDmaResponseQueueEntry *)
288 									(pAdapter->responsesArrayBaseAlignedAddr + (channelNum * MV_EDMA_RESPONSE_QUEUE_SIZE));
289 	rsp_dma_addr = pAdapter->responsesArrayBaseDmaAlignedAddr + (channelNum * MV_EDMA_RESPONSE_QUEUE_SIZE);
290 
291 	/* check the 256 alignment of the response queue*/
292 	if (rsp_dma_addr & 0xff)
293 	{
294 		MV_ERROR("RR18xx[%d,%d]: response queue allocated isn't 256 byte "
295 				 "aligned, dma_addr=%llx\n",
296 				 pAdapter->mvSataAdapter.adapterId, channelNum, (HPT_U64)(ULONG_PTR)rsp_dma_addr);
297 		return -1;
298 	}
299 	pMvSataChannel->responseQueuePciLowAddress = rsp_dma_addr;
300 	pMvSataChannel->responseQueuePciHiAddress = 0;
301 	KdPrint(("RR18xx[%d,%d]: response queue allocated: 0x%p",
302 			  pAdapter->mvSataAdapter.adapterId, channelNum,
303 			  pMvSataChannel->responseQueue));
304 
305 	pAdapter->mvChannel[channelNum].online = MV_TRUE;
306 	return 0;
307 }
308 
309 /******************************************************************************
310  *	Name: hptmv_parse_identify_results
311  *
312  *	Description:	this functions parses the identify command results, checks
313  *					that the connected deives can be accesed by RR18xx EDMA,
314  *					and updates the channel structure accordingly.
315  *
316  *	Parameters:     pMvSataChannel, pointer to the channel data structure.
317  *
318  *	Returns:       	=0 ->success, < 0 ->failure.
319  *
320  ******************************************************************************/
321 static int
322 hptmv_parse_identify_results(MV_SATA_CHANNEL *pMvSataChannel)
323 {
324 	MV_U16  *iden = pMvSataChannel->identifyDevice;
325 
326 	/*LBA addressing*/
327 	if (! (iden[IDEN_CAPACITY_1_OFFSET] & 0x200))
328 	{
329 		KdPrint(("IAL Error in IDENTIFY info: LBA not supported\n"));
330 		return -1;
331 	}
332 	else
333 	{
334 		KdPrint(("%25s - %s\n", "Capabilities", "LBA supported"));
335 	}
336 	/*DMA support*/
337 	if (! (iden[IDEN_CAPACITY_1_OFFSET] & 0x100))
338 	{
339 		KdPrint(("IAL Error in IDENTIFY info: DMA not supported\n"));
340 		return -1;
341 	}
342 	else
343 	{
344 		KdPrint(("%25s - %s\n", "Capabilities", "DMA supported"));
345 	}
346 	/* PIO */
347 	if ((iden[IDEN_VALID] & 2) == 0)
348 	{
349 		KdPrint(("IAL Error in IDENTIFY info: not able to find PIO mode\n"));
350 		return -1;
351 	}
352 	KdPrint(("%25s - 0x%02x\n", "PIO modes supported",
353 			  iden[IDEN_PIO_MODE_SPPORTED] & 0xff));
354 
355 	/*UDMA*/
356 	if ((iden[IDEN_VALID] & 4) == 0)
357 	{
358 		KdPrint(("IAL Error in IDENTIFY info: not able to find UDMA mode\n"));
359 		return -1;
360 	}
361 
362 	/* 48 bit address */
363 	if ((iden[IDEN_SUPPORTED_COMMANDS2] & 0x400))
364 	{
365 		KdPrint(("%25s - %s\n", "LBA48 addressing", "supported"));
366 		pMvSataChannel->lba48Address = MV_TRUE;
367 	}
368 	else
369 	{
370 		KdPrint(("%25s - %s\n", "LBA48 addressing", "Not supported"));
371 		pMvSataChannel->lba48Address = MV_FALSE;
372 	}
373 	return 0;
374 }
375 
376 static void
377 init_vdev_params(IAL_ADAPTER_T *pAdapter, MV_U8 channel)
378 {
379 	PVDevice pVDev = &pAdapter->VDevices[channel];
380 	MV_SATA_CHANNEL *pMvSataChannel = pAdapter->mvSataAdapter.sataChannel[channel];
381 	MV_U16_PTR IdentifyData = pMvSataChannel->identifyDevice;
382 
383 	pMvSataChannel->outstandingCommands = 0;
384 
385 	pVDev->u.disk.mv         = pMvSataChannel;
386 	pVDev->u.disk.df_on_line = 1;
387 	pVDev->u.disk.pVBus      = &pAdapter->VBus;
388 	pVDev->pVBus             = &pAdapter->VBus;
389 
390 #ifdef SUPPORT_48BIT_LBA
391 	if (pMvSataChannel->lba48Address == MV_TRUE)
392 		pVDev->u.disk.dDeRealCapacity = ((IdentifyData[101]<<16) | IdentifyData[100]) - 1;
393 	else
394 #endif
395 	if(IdentifyData[53] & 1) {
396 	pVDev->u.disk.dDeRealCapacity =
397 	  (((IdentifyData[58]<<16 | IdentifyData[57]) < (IdentifyData[61]<<16 | IdentifyData[60])) ?
398 		  (IdentifyData[61]<<16 | IdentifyData[60]) :
399 				(IdentifyData[58]<<16 | IdentifyData[57])) - 1;
400 	} else
401 		pVDev->u.disk.dDeRealCapacity =
402 				 (IdentifyData[61]<<16 | IdentifyData[60]) - 1;
403 
404 	pVDev->u.disk.bDeUsable_Mode = pVDev->u.disk.bDeModeSetting =
405 		pAdapter->mvChannel[channel].maxPioModeSupported - MV_ATA_TRANSFER_PIO_0;
406 
407 	if (pAdapter->mvChannel[channel].maxUltraDmaModeSupported!=0xFF) {
408 		pVDev->u.disk.bDeUsable_Mode = pVDev->u.disk.bDeModeSetting =
409 			pAdapter->mvChannel[channel].maxUltraDmaModeSupported - MV_ATA_TRANSFER_UDMA_0 + 8;
410 	}
411 }
412 
413 static void device_change(IAL_ADAPTER_T *pAdapter , MV_U8 channelIndex, int plugged)
414 {
415 	PVDevice pVDev;
416 	MV_SATA_ADAPTER  *pMvSataAdapter = &pAdapter->mvSataAdapter;
417 	MV_SATA_CHANNEL  *pMvSataChannel = pMvSataAdapter->sataChannel[channelIndex];
418 
419 	if (!pMvSataChannel) return;
420 
421 	if (plugged)
422 	{
423 		pVDev = &(pAdapter->VDevices[channelIndex]);
424 		init_vdev_params(pAdapter, channelIndex);
425 
426 		pVDev->VDeviceType = pVDev->u.disk.df_atapi? VD_ATAPI :
427 			pVDev->u.disk.df_removable_drive? VD_REMOVABLE : VD_SINGLE_DISK;
428 
429 		pVDev->VDeviceCapacity = pVDev->u.disk.dDeRealCapacity-SAVE_FOR_RAID_INFO;
430 		pVDev->pfnSendCommand = pfnSendCommand[pVDev->VDeviceType];
431 		pVDev->pfnDeviceFailed = pfnDeviceFailed[pVDev->VDeviceType];
432 		pVDev->vf_online = 1;
433 
434 #ifdef SUPPORT_ARRAY
435 		if(pVDev->pParent)
436 		{
437 			int iMember;
438 			for(iMember = 0; iMember < 	pVDev->pParent->u.array.bArnMember; iMember++)
439 				if((PVDevice)pVDev->pParent->u.array.pMember[iMember] == pVDev)
440 					pVDev->pParent->u.array.pMember[iMember] = NULL;
441 			pVDev->pParent = NULL;
442 		}
443 #endif
444 		fNotifyGUI(ET_DEVICE_PLUGGED,pVDev);
445 		fCheckBootable(pVDev);
446 		RegisterVDevice(pVDev);
447 
448 #ifndef FOR_DEMO
449 		if (pAdapter->beeping) {
450 			pAdapter->beeping = 0;
451 			BeepOff(pAdapter->mvSataAdapter.adapterIoBaseAddress);
452 		}
453 #endif
454 
455 	}
456 	else
457 	{
458 		pVDev  = &(pAdapter->VDevices[channelIndex]);
459 		failDevice(pVDev);
460 	}
461 }
462 
463 static int
464 start_channel(IAL_ADAPTER_T *pAdapter, MV_U8 channelNum)
465 {
466 	MV_SATA_ADAPTER *pMvSataAdapter = &pAdapter->mvSataAdapter;
467 	MV_SATA_CHANNEL *pMvSataChannel = pMvSataAdapter->sataChannel[channelNum];
468 	MV_CHANNEL		*pChannelInfo = &(pAdapter->mvChannel[channelNum]);
469 	MV_U32          udmaMode,pioMode;
470 
471 	KdPrint(("RR18xx [%d]: start channel (%d)", pMvSataAdapter->adapterId,
472 			 channelNum));
473 
474 
475 	/* Software reset channel */
476 	if (mvStorageDevATASoftResetDevice(pMvSataAdapter, channelNum) == MV_FALSE)
477 	{
478 		MV_ERROR("RR18xx [%d,%d]: failed to perform Software reset\n",
479 				 pMvSataAdapter->adapterId, channelNum);
480 		return -1;
481 	}
482 
483 	/* Hardware reset channel */
484 	if (mvSataChannelHardReset(pMvSataAdapter, channelNum) == MV_FALSE)
485 	{
486 		/* If failed, try again - this is when trying to hardreset a channel */
487 		/* when drive is just spinning up */
488 		StallExec(5000000); /* wait 5 sec before trying again */
489 		if (mvSataChannelHardReset(pMvSataAdapter, channelNum) == MV_FALSE)
490 		{
491 			MV_ERROR("RR18xx [%d,%d]: failed to perform Hard reset\n",
492 					 pMvSataAdapter->adapterId, channelNum);
493 			return -1;
494 		}
495 	}
496 
497 	/* identify device*/
498 	if (mvStorageDevATAIdentifyDevice(pMvSataAdapter, channelNum) == MV_FALSE)
499 	{
500 		MV_ERROR("RR18xx [%d,%d]: failed to perform ATA Identify command\n"
501 				 , pMvSataAdapter->adapterId, channelNum);
502 		return -1;
503 	}
504 	if (hptmv_parse_identify_results(pMvSataChannel))
505 	{
506 		MV_ERROR("RR18xx [%d,%d]: Error in parsing ATA Identify message\n"
507 				 , pMvSataAdapter->adapterId, channelNum);
508 		return -1;
509 	}
510 
511 	/* mvStorageDevATASetFeatures */
512 	/* Disable 8 bit PIO in case CFA enabled */
513 	if (pMvSataChannel->identifyDevice[86] & 4)
514 	{
515 		KdPrint(("RR18xx [%d]: Disable 8 bit PIO (CFA enabled) \n",
516 				  pMvSataAdapter->adapterId));
517 		if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
518 									   MV_ATA_SET_FEATURES_DISABLE_8_BIT_PIO, 0,
519 									   0, 0, 0) == MV_FALSE)
520 		{
521 			MV_ERROR("RR18xx [%d]: channel %d: mvStorageDevATASetFeatures"
522 					 " failed\n", pMvSataAdapter->adapterId, channelNum);
523 			return -1;
524 		}
525 	}
526 	/* Write cache */
527 #ifdef ENABLE_WRITE_CACHE
528 	if (pMvSataChannel->identifyDevice[82] & 0x20)
529 	{
530 		if (!(pMvSataChannel->identifyDevice[85] & 0x20)) /* if not enabled by default */
531 		{
532 			if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
533 										   MV_ATA_SET_FEATURES_ENABLE_WCACHE, 0,
534 										   0, 0, 0) == MV_FALSE)
535 			{
536 				MV_ERROR("RR18xx [%d]: channel %d: mvStorageDevATASetFeatures failed\n",
537 						 pMvSataAdapter->adapterId, channelNum);
538 				return -1;
539 			}
540 		}
541 		KdPrint(("RR18xx [%d]: channel %d, write cache enabled\n",
542 				  pMvSataAdapter->adapterId, channelNum));
543 	}
544 	else
545 	{
546 		KdPrint(("RR18xx [%d]: channel %d, write cache not supported\n",
547 				  pMvSataAdapter->adapterId, channelNum));
548 	}
549 #else /* disable write cache */
550 	{
551 		if (pMvSataChannel->identifyDevice[85] & 0x20)
552 		{
553 			KdPrint(("RR18xx [%d]: channel =%d, disable write cache\n",
554 					  pMvSataAdapter->adapterId, channelNum));
555 			if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
556 										   MV_ATA_SET_FEATURES_DISABLE_WCACHE, 0,
557 										   0, 0, 0) == MV_FALSE)
558 			{
559 				MV_ERROR("RR18xx [%d]: channel %d: mvStorageDevATASetFeatures failed\n",
560 						 pMvSataAdapter->adapterId, channelNum);
561 				return -1;
562 			}
563 		}
564 		KdPrint(("RR18xx [%d]: channel=%d, write cache disabled\n",
565 				  pMvSataAdapter->adapterId, channelNum));
566 	}
567 #endif
568 
569 	/* Set transfer mode */
570 	KdPrint(("RR18xx [%d] Set transfer mode XFER_PIO_SLOW\n",
571 			  pMvSataAdapter->adapterId));
572 	if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
573 								   MV_ATA_SET_FEATURES_TRANSFER,
574 								   MV_ATA_TRANSFER_PIO_SLOW, 0, 0, 0) ==
575 		MV_FALSE)
576 	{
577 		MV_ERROR("RR18xx [%d] channel %d: Set Features failed\n",
578 				 pMvSataAdapter->adapterId, channelNum);
579 		return -1;
580 	}
581 
582 	if (pMvSataChannel->identifyDevice[IDEN_PIO_MODE_SPPORTED] & 1)
583 	{
584 		pioMode = MV_ATA_TRANSFER_PIO_4;
585 	}
586 	else if (pMvSataChannel->identifyDevice[IDEN_PIO_MODE_SPPORTED] & 2)
587 	{
588 		pioMode = MV_ATA_TRANSFER_PIO_3;
589 	}
590 	else
591 	{
592 		MV_ERROR("IAL Error in IDENTIFY info: PIO modes 3 and 4 not supported\n");
593 		pioMode = MV_ATA_TRANSFER_PIO_SLOW;
594 	}
595 
596 	KdPrint(("RR18xx [%d] Set transfer mode XFER_PIO_4\n",
597 			  pMvSataAdapter->adapterId));
598 	pAdapter->mvChannel[channelNum].maxPioModeSupported = pioMode;
599 	if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
600 								   MV_ATA_SET_FEATURES_TRANSFER,
601 								   pioMode, 0, 0, 0) == MV_FALSE)
602 	{
603 		MV_ERROR("RR18xx [%d] channel %d: Set Features failed\n",
604 				 pMvSataAdapter->adapterId, channelNum);
605 		return -1;
606 	}
607 
608 	udmaMode = MV_ATA_TRANSFER_UDMA_0;
609 	if (pMvSataChannel->identifyDevice[IDEN_UDMA_MODE] & 0x40)
610 	{
611 		udmaMode =  MV_ATA_TRANSFER_UDMA_6;
612 	}
613 	else if (pMvSataChannel->identifyDevice[IDEN_UDMA_MODE] & 0x20)
614 	{
615 		udmaMode =  MV_ATA_TRANSFER_UDMA_5;
616 	}
617 	else if (pMvSataChannel->identifyDevice[IDEN_UDMA_MODE] & 0x10)
618 	{
619 		udmaMode =  MV_ATA_TRANSFER_UDMA_4;
620 	}
621 	else if (pMvSataChannel->identifyDevice[IDEN_UDMA_MODE] & 8)
622 	{
623 		udmaMode =  MV_ATA_TRANSFER_UDMA_3;
624 	}
625 	else if (pMvSataChannel->identifyDevice[IDEN_UDMA_MODE] & 4)
626 	{
627 		udmaMode =  MV_ATA_TRANSFER_UDMA_2;
628 	}
629 
630 	KdPrint(("RR18xx [%d] Set transfer mode XFER_UDMA_%d\n",
631 			  pMvSataAdapter->adapterId, udmaMode & 0xf));
632 	pChannelInfo->maxUltraDmaModeSupported = udmaMode;
633 
634 	/*if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
635 								   MV_ATA_SET_FEATURES_TRANSFER, udmaMode,
636 								   0, 0, 0) == MV_FALSE)
637 	{
638 		MV_ERROR("RR18xx [%d] channel %d: Set Features failed\n",
639 				 pMvSataAdapter->adapterId, channelNum);
640 		return -1;
641 	}*/
642 	if (pChannelInfo->maxUltraDmaModeSupported == 0xFF)
643 		return TRUE;
644 	else
645 		do
646 		{
647 			if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
648 								   MV_ATA_SET_FEATURES_TRANSFER,
649 								   pChannelInfo->maxUltraDmaModeSupported,
650 								   0, 0, 0) == MV_FALSE)
651 			{
652 				if (pChannelInfo->maxUltraDmaModeSupported > MV_ATA_TRANSFER_UDMA_0)
653 				{
654 					if (mvStorageDevATASoftResetDevice(pMvSataAdapter, channelNum) == MV_FALSE)
655 					{
656 						MV_REG_WRITE_BYTE(pMvSataAdapter->adapterIoBaseAddress,
657 										  pMvSataChannel->eDmaRegsOffset +
658 										  0x11c, /* command reg */
659 										  MV_ATA_COMMAND_IDLE_IMMEDIATE);
660 						mvMicroSecondsDelay(10000);
661 						mvSataChannelHardReset(pMvSataAdapter, channelNum);
662 						if (mvStorageDevATASoftResetDevice(pMvSataAdapter, channelNum) == MV_FALSE)
663 							return FALSE;
664 					}
665 					if (mvSataChannelHardReset(pMvSataAdapter, channelNum) == MV_FALSE)
666 						return FALSE;
667 					pChannelInfo->maxUltraDmaModeSupported--;
668 					continue;
669 				}
670 				else   return FALSE;
671 			}
672 			break;
673 		}while (1);
674 
675 	/* Read look ahead */
676 #ifdef ENABLE_READ_AHEAD
677 	if (pMvSataChannel->identifyDevice[82] & 0x40)
678 	{
679 		if (!(pMvSataChannel->identifyDevice[85] & 0x40)) /* if not enabled by default */
680 		{
681 			if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
682 										   MV_ATA_SET_FEATURES_ENABLE_RLA, 0, 0,
683 										   0, 0) == MV_FALSE)
684 			{
685 				MV_ERROR("RR18xx [%d] channel %d: Set Features failed\n",
686 						 pMvSataAdapter->adapterId, channelNum);
687 				return -1;
688 			}
689 		}
690 		KdPrint(("RR18xx [%d]: channel=%d, read look ahead enabled\n",
691 				  pMvSataAdapter->adapterId, channelNum));
692 	}
693 	else
694 	{
695 		KdPrint(("RR18xx [%d]: channel %d, Read Look Ahead not supported\n",
696 				  pMvSataAdapter->adapterId, channelNum));
697 	}
698 #else
699 	{
700 		if (pMvSataChannel->identifyDevice[86] & 0x20)
701 		{
702 			KdPrint(("RR18xx [%d]:channel %d, disable read look ahead\n",
703 					  pMvSataAdapter->adapterId, channelNum));
704 			if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
705 										   MV_ATA_SET_FEATURES_DISABLE_RLA, 0, 0,
706 										   0, 0) == MV_FALSE)
707 			{
708 				MV_ERROR("RR18xx [%d]:channel %d:  ATA Set Features failed\n",
709 						 pMvSataAdapter->adapterId, channelNum);
710 				return -1;
711 			}
712 		}
713 		KdPrint(("RR18xx [%d]:channel %d, read look ahead disabled\n",
714 				  pMvSataAdapter->adapterId, channelNum));
715 	}
716 #endif
717 
718 
719 	{
720 		KdPrint(("RR18xx [%d]: channel %d config EDMA, Non Queued Mode\n",
721 				  pMvSataAdapter->adapterId,
722 				  channelNum));
723 		if (mvSataConfigEdmaMode(pMvSataAdapter, channelNum,
724 								 MV_EDMA_MODE_NOT_QUEUED, 0) == MV_FALSE)
725 		{
726 			MV_ERROR("RR18xx [%d] channel %d Error: mvSataConfigEdmaMode failed\n",
727 					 pMvSataAdapter->adapterId, channelNum);
728 			return -1;
729 		}
730 	}
731 	/* Enable EDMA */
732 	if (mvSataEnableChannelDma(pMvSataAdapter, channelNum) == MV_FALSE)
733 	{
734 		MV_ERROR("RR18xx [%d] Failed to enable DMA, channel=%d\n",
735 				 pMvSataAdapter->adapterId, channelNum);
736 		return -1;
737 	}
738 	MV_ERROR("RR18xx [%d,%d]: channel started successfully\n",
739 			 pMvSataAdapter->adapterId, channelNum);
740 
741 #ifndef FOR_DEMO
742 	set_fail_led(pMvSataAdapter, channelNum, 0);
743 #endif
744 	return 0;
745 }
746 
747 static void
748 hptmv_handle_event(void * data, int flag)
749 {
750 	IAL_ADAPTER_T   *pAdapter = (IAL_ADAPTER_T *)data;
751 	MV_SATA_ADAPTER *pMvSataAdapter = &pAdapter->mvSataAdapter;
752 	MV_U8           channelIndex;
753 
754 	mtx_assert(&pAdapter->lock, MA_OWNED);
755 /*	mvOsSemTake(&pMvSataAdapter->semaphore); */
756 	for (channelIndex = 0; channelIndex < MV_SATA_CHANNELS_NUM; channelIndex++)
757 	{
758 		switch(pAdapter->sataEvents[channelIndex])
759 		{
760 			case SATA_EVENT_CHANNEL_CONNECTED:
761 				/* Handle only connects */
762 				if (flag == 1)
763 					break;
764 				KdPrint(("RR18xx [%d,%d]: new device connected\n",
765 						 pMvSataAdapter->adapterId, channelIndex));
766 				hptmv_init_channel(pAdapter, channelIndex);
767 				if (mvSataConfigureChannel( pMvSataAdapter, channelIndex) == MV_FALSE)
768 				{
769 					MV_ERROR("RR18xx [%d,%d] Failed to configure\n",
770 							 pMvSataAdapter->adapterId, channelIndex);
771 					hptmv_free_channel(pAdapter, channelIndex);
772 				}
773 				else
774 				{
775 					/*mvSataChannelHardReset(pMvSataAdapter, channel);*/
776 					if (start_channel( pAdapter, channelIndex))
777 					{
778 						MV_ERROR("RR18xx [%d,%d]Failed to start channel\n",
779 								 pMvSataAdapter->adapterId, channelIndex);
780 						hptmv_free_channel(pAdapter, channelIndex);
781 					}
782 					else
783 					{
784 						device_change(pAdapter, channelIndex, TRUE);
785 					}
786 				}
787 				pAdapter->sataEvents[channelIndex] = SATA_EVENT_NO_CHANGE;
788 			   break;
789 
790 			case SATA_EVENT_CHANNEL_DISCONNECTED:
791 				/* Handle only disconnects */
792 				if (flag == 0)
793 					break;
794 				KdPrint(("RR18xx [%d,%d]: device disconnected\n",
795 						 pMvSataAdapter->adapterId, channelIndex));
796 					/* Flush pending commands */
797 				if(pMvSataAdapter->sataChannel[channelIndex])
798 				{
799 					_VBUS_INST(&pAdapter->VBus)
800 					mvSataFlushDmaQueue (pMvSataAdapter, channelIndex,
801 										 MV_FLUSH_TYPE_CALLBACK);
802 					CheckPendingCall(_VBUS_P0);
803 					mvSataRemoveChannel(pMvSataAdapter,channelIndex);
804 					hptmv_free_channel(pAdapter, channelIndex);
805 					pMvSataAdapter->sataChannel[channelIndex] = NULL;
806 					KdPrint(("RR18xx [%d,%d]: channel removed\n",
807 						 pMvSataAdapter->adapterId, channelIndex));
808 					if (pAdapter->outstandingCommands==0 && DPC_Request_Nums==0)
809 						Check_Idle_Call(pAdapter);
810 				}
811 				else
812 				{
813 					KdPrint(("RR18xx [%d,%d]: channel already removed!!\n",
814 							 pMvSataAdapter->adapterId, channelIndex));
815 				}
816 				pAdapter->sataEvents[channelIndex] = SATA_EVENT_NO_CHANGE;
817 				break;
818 
819 			case SATA_EVENT_NO_CHANGE:
820 				break;
821 
822 			default:
823 				break;
824 		}
825 	}
826 /*	mvOsSemRelease(&pMvSataAdapter->semaphore); */
827 }
828 
829 #define EVENT_CONNECT					1
830 #define EVENT_DISCONNECT				0
831 
832 static void
833 hptmv_handle_event_connect(void *data)
834 {
835   hptmv_handle_event (data, 0);
836 }
837 
838 static void
839 hptmv_handle_event_disconnect(void *data)
840 {
841   hptmv_handle_event (data, 1);
842 }
843 
844 static MV_BOOLEAN
845 hptmv_event_notify(MV_SATA_ADAPTER *pMvSataAdapter, MV_EVENT_TYPE eventType,
846 								   MV_U32 param1, MV_U32 param2)
847 {
848 	IAL_ADAPTER_T   *pAdapter = pMvSataAdapter->IALData;
849 
850 	switch (eventType)
851 	{
852 		case MV_EVENT_TYPE_SATA_CABLE:
853 			{
854 				MV_U8   channel = param2;
855 
856 				if (param1 == EVENT_CONNECT)
857 				{
858 					pAdapter->sataEvents[channel] = SATA_EVENT_CHANNEL_CONNECTED;
859 					KdPrint(("RR18xx [%d,%d]: device connected event received\n",
860 							 pMvSataAdapter->adapterId, channel));
861 					/* Delete previous timers (if multiple drives connected in the same time */
862 					callout_reset(&pAdapter->event_timer_connect, 10 * hz, hptmv_handle_event_connect, pAdapter);
863 				}
864 				else if (param1 == EVENT_DISCONNECT)
865 				{
866 					pAdapter->sataEvents[channel] = SATA_EVENT_CHANNEL_DISCONNECTED;
867 					KdPrint(("RR18xx [%d,%d]: device disconnected event received \n",
868 							 pMvSataAdapter->adapterId, channel));
869 					device_change(pAdapter, channel, FALSE);
870 					/* Delete previous timers (if multiple drives disconnected in the same time */
871 					/*callout_reset(&pAdapter->event_timer_disconnect, 10 * hz, hptmv_handle_event_disconnect, pAdapter); */
872 					/*It is not necessary to wait, handle it directly*/
873 					hptmv_handle_event_disconnect(pAdapter);
874 				}
875 				else
876 				{
877 
878 					MV_ERROR("RR18xx: illegal value for param1(%d) at "
879 							 "connect/disconnect event, host=%d\n", param1,
880 							 pMvSataAdapter->adapterId );
881 
882 				}
883 			}
884 			break;
885 		case MV_EVENT_TYPE_ADAPTER_ERROR:
886 			KdPrint(("RR18xx: DEVICE error event received, pci cause "
887 					  "reg=%x,  don't how to handle this\n", param1));
888 			return MV_TRUE;
889 		default:
890 			MV_ERROR("RR18xx[%d]: unknown event type (%d)\n",
891 					 pMvSataAdapter->adapterId, eventType);
892 			return MV_FALSE;
893 	}
894 	return MV_TRUE;
895 }
896 
897 static int
898 hptmv_allocate_edma_queues(IAL_ADAPTER_T *pAdapter)
899 {
900 	pAdapter->requestsArrayBaseAddr = (MV_U8 *)contigmalloc(REQUESTS_ARRAY_SIZE,
901 			M_DEVBUF, M_NOWAIT, 0, 0xffffffff, PAGE_SIZE, 0ul);
902 	if (pAdapter->requestsArrayBaseAddr == NULL)
903 	{
904 		MV_ERROR("RR18xx[%d]: Failed to allocate memory for EDMA request"
905 				 " queues\n", pAdapter->mvSataAdapter.adapterId);
906 		return -1;
907 	}
908 	pAdapter->requestsArrayBaseDmaAddr = fOsPhysicalAddress(pAdapter->requestsArrayBaseAddr);
909 	pAdapter->requestsArrayBaseAlignedAddr = pAdapter->requestsArrayBaseAddr;
910 	pAdapter->requestsArrayBaseAlignedAddr += MV_EDMA_REQUEST_QUEUE_SIZE;
911 	pAdapter->requestsArrayBaseAlignedAddr  = (MV_U8 *)
912 		(((ULONG_PTR)pAdapter->requestsArrayBaseAlignedAddr) & ~(ULONG_PTR)(MV_EDMA_REQUEST_QUEUE_SIZE - 1));
913 	pAdapter->requestsArrayBaseDmaAlignedAddr = pAdapter->requestsArrayBaseDmaAddr;
914 	pAdapter->requestsArrayBaseDmaAlignedAddr += MV_EDMA_REQUEST_QUEUE_SIZE;
915 	pAdapter->requestsArrayBaseDmaAlignedAddr &= ~(ULONG_PTR)(MV_EDMA_REQUEST_QUEUE_SIZE - 1);
916 
917 	if ((pAdapter->requestsArrayBaseDmaAlignedAddr - pAdapter->requestsArrayBaseDmaAddr) !=
918 		(pAdapter->requestsArrayBaseAlignedAddr - pAdapter->requestsArrayBaseAddr))
919 	{
920 		MV_ERROR("RR18xx[%d]: Error in Request Quueues Alignment\n",
921 				 pAdapter->mvSataAdapter.adapterId);
922 		contigfree(pAdapter->requestsArrayBaseAddr, REQUESTS_ARRAY_SIZE, M_DEVBUF);
923 		return -1;
924 	}
925 	/* response queues */
926 	pAdapter->responsesArrayBaseAddr = (MV_U8 *)contigmalloc(RESPONSES_ARRAY_SIZE,
927 			M_DEVBUF, M_NOWAIT, 0, 0xffffffff, PAGE_SIZE, 0ul);
928 	if (pAdapter->responsesArrayBaseAddr == NULL)
929 	{
930 		MV_ERROR("RR18xx[%d]: Failed to allocate memory for EDMA response"
931 				 " queues\n", pAdapter->mvSataAdapter.adapterId);
932 		contigfree(pAdapter->requestsArrayBaseAddr, RESPONSES_ARRAY_SIZE, M_DEVBUF);
933 		return -1;
934 	}
935 	pAdapter->responsesArrayBaseDmaAddr = fOsPhysicalAddress(pAdapter->responsesArrayBaseAddr);
936 	pAdapter->responsesArrayBaseAlignedAddr = pAdapter->responsesArrayBaseAddr;
937 	pAdapter->responsesArrayBaseAlignedAddr += MV_EDMA_RESPONSE_QUEUE_SIZE;
938 	pAdapter->responsesArrayBaseAlignedAddr  = (MV_U8 *)
939 		(((ULONG_PTR)pAdapter->responsesArrayBaseAlignedAddr) & ~(ULONG_PTR)(MV_EDMA_RESPONSE_QUEUE_SIZE - 1));
940 	pAdapter->responsesArrayBaseDmaAlignedAddr = pAdapter->responsesArrayBaseDmaAddr;
941 	pAdapter->responsesArrayBaseDmaAlignedAddr += MV_EDMA_RESPONSE_QUEUE_SIZE;
942 	pAdapter->responsesArrayBaseDmaAlignedAddr &= ~(ULONG_PTR)(MV_EDMA_RESPONSE_QUEUE_SIZE - 1);
943 
944 	if ((pAdapter->responsesArrayBaseDmaAlignedAddr - pAdapter->responsesArrayBaseDmaAddr) !=
945 		(pAdapter->responsesArrayBaseAlignedAddr - pAdapter->responsesArrayBaseAddr))
946 	{
947 		MV_ERROR("RR18xx[%d]: Error in Response Queues Alignment\n",
948 				 pAdapter->mvSataAdapter.adapterId);
949 		contigfree(pAdapter->requestsArrayBaseAddr, REQUESTS_ARRAY_SIZE, M_DEVBUF);
950 		contigfree(pAdapter->responsesArrayBaseAddr, RESPONSES_ARRAY_SIZE, M_DEVBUF);
951 		return -1;
952 	}
953 	return 0;
954 }
955 
956 static void
957 hptmv_free_edma_queues(IAL_ADAPTER_T *pAdapter)
958 {
959 	contigfree(pAdapter->requestsArrayBaseAddr, REQUESTS_ARRAY_SIZE, M_DEVBUF);
960 	contigfree(pAdapter->responsesArrayBaseAddr, RESPONSES_ARRAY_SIZE, M_DEVBUF);
961 }
962 
963 static PVOID
964 AllocatePRDTable(IAL_ADAPTER_T *pAdapter)
965 {
966 	PVOID ret;
967 	if (pAdapter->pFreePRDLink) {
968 		KdPrint(("pAdapter->pFreePRDLink:%p\n",pAdapter->pFreePRDLink));
969 		ret = pAdapter->pFreePRDLink;
970 		pAdapter->pFreePRDLink = *(void**)ret;
971 		return ret;
972 	}
973 	return NULL;
974 }
975 
976 static void
977 FreePRDTable(IAL_ADAPTER_T *pAdapter, PVOID PRDTable)
978 {
979 	*(void**)PRDTable = pAdapter->pFreePRDLink;
980 	pAdapter->pFreePRDLink = PRDTable;
981 }
982 
983 extern PVDevice fGetFirstChild(PVDevice pLogical);
984 extern void fResetBootMark(PVDevice pLogical);
985 static void
986 fRegisterVdevice(IAL_ADAPTER_T *pAdapter)
987 {
988 	PVDevice pPhysical, pLogical;
989 	PVBus  pVBus;
990 	int i,j;
991 
992 	for(i=0;i<MV_SATA_CHANNELS_NUM;i++) {
993 		pPhysical = &(pAdapter->VDevices[i]);
994 		pLogical = pPhysical;
995 		while (pLogical->pParent) pLogical = pLogical->pParent;
996 		if (pLogical->vf_online==0) {
997 			pPhysical->vf_bootmark = pLogical->vf_bootmark = 0;
998 			continue;
999 		}
1000 		if (pLogical->VDeviceType==VD_SPARE || pPhysical!=fGetFirstChild(pLogical))
1001 			continue;
1002 
1003 		pVBus = &pAdapter->VBus;
1004 		if(pVBus)
1005 		{
1006 			j=0;
1007 			while(j<MAX_VDEVICE_PER_VBUS && pVBus->pVDevice[j]) j++;
1008 			if(j<MAX_VDEVICE_PER_VBUS){
1009 				pVBus->pVDevice[j] = pLogical;
1010 				pLogical->pVBus = pVBus;
1011 
1012 				if (j>0 && pLogical->vf_bootmark) {
1013 					if (pVBus->pVDevice[0]->vf_bootmark) {
1014 						fResetBootMark(pLogical);
1015 					}
1016 					else {
1017 						do { pVBus->pVDevice[j] = pVBus->pVDevice[j-1]; } while (--j);
1018 						pVBus->pVDevice[0] = pLogical;
1019 					}
1020 				}
1021 			}
1022 		}
1023 	}
1024 }
1025 
1026 PVDevice
1027 GetSpareDisk(_VBUS_ARG PVDevice pArray)
1028 {
1029 	IAL_ADAPTER_T *pAdapter = (IAL_ADAPTER_T *)pArray->pVBus->OsExt;
1030 	LBA_T capacity = LongDiv(pArray->VDeviceCapacity, pArray->u.array.bArnMember-1);
1031 	LBA_T thiscap, maxcap = MAX_LBA_T;
1032 	PVDevice pVDevice, pFind = NULL;
1033 	int i;
1034 
1035 	for(i=0;i<MV_SATA_CHANNELS_NUM;i++)
1036 	{
1037 		pVDevice = &pAdapter->VDevices[i];
1038 		if(!pVDevice)
1039 			continue;
1040 		thiscap = pArray->vf_format_v2? pVDevice->u.disk.dDeRealCapacity : pVDevice->VDeviceCapacity;
1041 		/* find the smallest usable spare disk */
1042 		if (pVDevice->VDeviceType==VD_SPARE &&
1043 			pVDevice->u.disk.df_on_line &&
1044 			thiscap < maxcap &&
1045 			thiscap >= capacity)
1046 		{
1047 				maxcap = pVDevice->VDeviceCapacity;
1048 				pFind = pVDevice;
1049 		}
1050 	}
1051 	return pFind;
1052 }
1053 
1054 /******************************************************************
1055  * IO ATA Command
1056  *******************************************************************/
1057 int HPTLIBAPI
1058 fDeReadWrite(PDevice pDev, ULONG Lba, UCHAR Cmd, void *tmpBuffer)
1059 {
1060 	return mvReadWrite(pDev->mv, Lba, Cmd, tmpBuffer);
1061 }
1062 
1063 void HPTLIBAPI fDeSelectMode(PDevice pDev, UCHAR NewMode)
1064 {
1065 	MV_SATA_CHANNEL *pSataChannel = pDev->mv;
1066 	MV_SATA_ADAPTER *pSataAdapter = pSataChannel->mvSataAdapter;
1067 	MV_U8 channelIndex = pSataChannel->channelNumber;
1068 	UCHAR mvMode;
1069 	/* 508x don't use MW-DMA? */
1070 	if (NewMode>4 && NewMode<8) NewMode = 4;
1071 	pDev->bDeModeSetting = NewMode;
1072 	if (NewMode<=4)
1073 		mvMode = MV_ATA_TRANSFER_PIO_0 + NewMode;
1074 	else
1075 		mvMode = MV_ATA_TRANSFER_UDMA_0 + (NewMode-8);
1076 
1077 	/*To fix 88i8030 bug*/
1078 	if (mvMode > MV_ATA_TRANSFER_UDMA_0 && mvMode < MV_ATA_TRANSFER_UDMA_4)
1079 		mvMode = MV_ATA_TRANSFER_UDMA_0;
1080 
1081 	mvSataDisableChannelDma(pSataAdapter, channelIndex);
1082 	/* Flush pending commands */
1083 	mvSataFlushDmaQueue (pSataAdapter, channelIndex, MV_FLUSH_TYPE_NONE);
1084 
1085 	if (mvStorageDevATASetFeatures(pSataAdapter, channelIndex,
1086 								   MV_ATA_SET_FEATURES_TRANSFER,
1087 								   mvMode, 0, 0, 0) == MV_FALSE)
1088 	{
1089 		KdPrint(("channel %d: Set Features failed\n", channelIndex));
1090 	}
1091 	/* Enable EDMA */
1092 	if (mvSataEnableChannelDma(pSataAdapter, channelIndex) == MV_FALSE)
1093 		KdPrint(("Failed to enable DMA, channel=%d", channelIndex));
1094 }
1095 
1096 int HPTLIBAPI fDeSetTCQ(PDevice pDev, int enable, int depth)
1097 {
1098 	MV_SATA_CHANNEL *pSataChannel = pDev->mv;
1099 	MV_SATA_ADAPTER *pSataAdapter = pSataChannel->mvSataAdapter;
1100 	MV_U8 channelIndex = pSataChannel->channelNumber;
1101 	IAL_ADAPTER_T *pAdapter = pSataAdapter->IALData;
1102 	MV_CHANNEL		*channelInfo = &(pAdapter->mvChannel[channelIndex]);
1103 	int dmaActive = pSataChannel->queueCommandsEnabled;
1104 	int ret = 0;
1105 
1106 	if (dmaActive) {
1107 		mvSataDisableChannelDma(pSataAdapter, channelIndex);
1108 		mvSataFlushDmaQueue(pSataAdapter,channelIndex,MV_FLUSH_TYPE_CALLBACK);
1109 	}
1110 
1111 	if (enable) {
1112 		if (pSataChannel->queuedDMA == MV_EDMA_MODE_NOT_QUEUED &&
1113 			(pSataChannel->identifyDevice[IDEN_SUPPORTED_COMMANDS2] & (0x2))) {
1114 			UCHAR depth = ((pSataChannel->identifyDevice[IDEN_QUEUE_DEPTH]) & 0x1f) + 1;
1115 			channelInfo->queueDepth = (depth==32)? 31 : depth;
1116 			mvSataConfigEdmaMode(pSataAdapter, channelIndex, MV_EDMA_MODE_QUEUED, depth);
1117 			ret = 1;
1118 		}
1119 	}
1120 	else
1121 	{
1122 		if (pSataChannel->queuedDMA != MV_EDMA_MODE_NOT_QUEUED) {
1123 			channelInfo->queueDepth = 2;
1124 			mvSataConfigEdmaMode(pSataAdapter, channelIndex, MV_EDMA_MODE_NOT_QUEUED, 0);
1125 			ret = 1;
1126 		}
1127 	}
1128 
1129 	if (dmaActive)
1130 		mvSataEnableChannelDma(pSataAdapter,channelIndex);
1131 	return ret;
1132 }
1133 
1134 int HPTLIBAPI fDeSetNCQ(PDevice pDev, int enable, int depth)
1135 {
1136 	return 0;
1137 }
1138 
1139 int HPTLIBAPI fDeSetWriteCache(PDevice pDev, int enable)
1140 {
1141 	MV_SATA_CHANNEL *pSataChannel = pDev->mv;
1142 	MV_SATA_ADAPTER *pSataAdapter = pSataChannel->mvSataAdapter;
1143 	MV_U8 channelIndex = pSataChannel->channelNumber;
1144 	IAL_ADAPTER_T *pAdapter = pSataAdapter->IALData;
1145 	MV_CHANNEL		*channelInfo = &(pAdapter->mvChannel[channelIndex]);
1146 	int dmaActive = pSataChannel->queueCommandsEnabled;
1147 	int ret = 0;
1148 
1149 	if (dmaActive) {
1150 		mvSataDisableChannelDma(pSataAdapter, channelIndex);
1151 		mvSataFlushDmaQueue(pSataAdapter,channelIndex,MV_FLUSH_TYPE_CALLBACK);
1152 	}
1153 
1154 	if ((pSataChannel->identifyDevice[82] & (0x20))) {
1155 		if (enable) {
1156 			if (mvStorageDevATASetFeatures(pSataAdapter, channelIndex,
1157 				MV_ATA_SET_FEATURES_ENABLE_WCACHE, 0, 0, 0, 0))
1158 			{
1159 				channelInfo->writeCacheEnabled = MV_TRUE;
1160 				ret = 1;
1161 			}
1162 		}
1163 		else {
1164 			if (mvStorageDevATASetFeatures(pSataAdapter, channelIndex,
1165 				MV_ATA_SET_FEATURES_DISABLE_WCACHE, 0, 0, 0, 0))
1166 			{
1167 				channelInfo->writeCacheEnabled = MV_FALSE;
1168 				ret = 1;
1169 			}
1170 		}
1171 	}
1172 
1173 	if (dmaActive)
1174 		mvSataEnableChannelDma(pSataAdapter,channelIndex);
1175 	return ret;
1176 }
1177 
1178 int HPTLIBAPI fDeSetReadAhead(PDevice pDev, int enable)
1179 {
1180 	MV_SATA_CHANNEL *pSataChannel = pDev->mv;
1181 	MV_SATA_ADAPTER *pSataAdapter = pSataChannel->mvSataAdapter;
1182 	MV_U8 channelIndex = pSataChannel->channelNumber;
1183 	IAL_ADAPTER_T *pAdapter = pSataAdapter->IALData;
1184 	MV_CHANNEL		*channelInfo = &(pAdapter->mvChannel[channelIndex]);
1185 	int dmaActive = pSataChannel->queueCommandsEnabled;
1186 	int ret = 0;
1187 
1188 	if (dmaActive) {
1189 		mvSataDisableChannelDma(pSataAdapter, channelIndex);
1190 		mvSataFlushDmaQueue(pSataAdapter,channelIndex,MV_FLUSH_TYPE_CALLBACK);
1191 	}
1192 
1193 	if ((pSataChannel->identifyDevice[82] & (0x40))) {
1194 		if (enable) {
1195 			if (mvStorageDevATASetFeatures(pSataAdapter, channelIndex,
1196 				MV_ATA_SET_FEATURES_ENABLE_RLA, 0, 0, 0, 0))
1197 			{
1198 				channelInfo->readAheadEnabled = MV_TRUE;
1199 				ret = 1;
1200 			}
1201 		}
1202 		else {
1203 			if (mvStorageDevATASetFeatures(pSataAdapter, channelIndex,
1204 				MV_ATA_SET_FEATURES_DISABLE_RLA, 0, 0, 0, 0))
1205 			{
1206 				channelInfo->readAheadEnabled = MV_FALSE;
1207 				ret = 1;
1208 			}
1209 		}
1210 	}
1211 
1212 	if (dmaActive)
1213 		mvSataEnableChannelDma(pSataAdapter,channelIndex);
1214 	return ret;
1215 }
1216 
1217 #ifdef SUPPORT_ARRAY
1218 #define IdeRegisterVDevice  fCheckArray
1219 #else
1220 void
1221 IdeRegisterVDevice(PDevice pDev)
1222 {
1223 	PVDevice pVDev = Map2pVDevice(pDev);
1224 
1225 	pVDev->VDeviceType = pDev->df_atapi? VD_ATAPI :
1226 						 pDev->df_removable_drive? VD_REMOVABLE : VD_SINGLE_DISK;
1227 	pVDev->vf_online = 1;
1228 	pVDev->VDeviceCapacity = pDev->dDeRealCapacity;
1229 	pVDev->pfnSendCommand = pfnSendCommand[pVDev->VDeviceType];
1230 	pVDev->pfnDeviceFailed = pfnDeviceFailed[pVDev->VDeviceType];
1231 }
1232 #endif
1233 
1234 static __inline PBUS_DMAMAP
1235 dmamap_get(struct IALAdapter * pAdapter)
1236 {
1237 	PBUS_DMAMAP	p = pAdapter->pbus_dmamap_list;
1238 	if (p)
1239 		pAdapter->pbus_dmamap_list = p-> next;
1240 	return p;
1241 }
1242 
1243 static __inline void
1244 dmamap_put(PBUS_DMAMAP p)
1245 {
1246 	p->next = p->pAdapter->pbus_dmamap_list;
1247 	p->pAdapter->pbus_dmamap_list = p;
1248 }
1249 
1250 static int num_adapters = 0;
1251 static int
1252 init_adapter(IAL_ADAPTER_T *pAdapter)
1253 {
1254 	PVBus _vbus_p = &pAdapter->VBus;
1255 	MV_SATA_ADAPTER *pMvSataAdapter;
1256 	int i, channel, rid;
1257 
1258 	PVDevice pVDev;
1259 
1260 	mtx_init(&pAdapter->lock, "hptsleeplock", NULL, MTX_DEF);
1261 	callout_init_mtx(&pAdapter->event_timer_connect, &pAdapter->lock, 0);
1262 	callout_init_mtx(&pAdapter->event_timer_disconnect, &pAdapter->lock, 0);
1263 
1264 	sx_xlock(&hptmv_list_lock);
1265 	pAdapter->next = 0;
1266 
1267 	if(gIal_Adapter == NULL){
1268 		gIal_Adapter = pAdapter;
1269 		pCurAdapter = gIal_Adapter;
1270 	}
1271 	else {
1272 		pCurAdapter->next = pAdapter;
1273 		pCurAdapter = pAdapter;
1274 	}
1275 	sx_xunlock(&hptmv_list_lock);
1276 
1277 	pAdapter->outstandingCommands = 0;
1278 
1279 	pMvSataAdapter = &(pAdapter->mvSataAdapter);
1280 	_vbus_p->OsExt = (void *)pAdapter;
1281 	pMvSataAdapter->IALData = pAdapter;
1282 
1283 	if (bus_dma_tag_create(bus_get_dma_tag(pAdapter->hpt_dev),/* parent */
1284 			4,	/* alignment */
1285 			BUS_SPACE_MAXADDR_32BIT+1, /* boundary */
1286 			BUS_SPACE_MAXADDR,	/* lowaddr */
1287 			BUS_SPACE_MAXADDR,	/* highaddr */
1288 			NULL, NULL, 		/* filter, filterarg */
1289 			PAGE_SIZE * (MAX_SG_DESCRIPTORS-1), /* maxsize */
1290 			MAX_SG_DESCRIPTORS, /* nsegments */
1291 			0x10000,	/* maxsegsize */
1292 			BUS_DMA_WAITOK, 	/* flags */
1293 			busdma_lock_mutex,	/* lockfunc */
1294 			&pAdapter->lock,	/* lockfuncarg */
1295 			&pAdapter->io_dma_parent /* tag */))
1296 		{
1297 			return ENXIO;
1298 	}
1299 
1300 
1301 	if (hptmv_allocate_edma_queues(pAdapter))
1302 	{
1303 		MV_ERROR("RR18xx: Failed to allocate memory for EDMA queues\n");
1304 		return ENOMEM;
1305 	}
1306 
1307 	/* also map EPROM address */
1308 	rid = 0x10;
1309 	if (!(pAdapter->mem_res = bus_alloc_resource_any(pAdapter->hpt_dev,
1310 			SYS_RES_MEMORY, &rid, RF_ACTIVE))
1311 		||
1312 		!(pMvSataAdapter->adapterIoBaseAddress = rman_get_virtual(pAdapter->mem_res)))
1313 	{
1314 		MV_ERROR("RR18xx: Failed to remap memory space\n");
1315 		hptmv_free_edma_queues(pAdapter);
1316 		return ENXIO;
1317 	}
1318 	else
1319 	{
1320 		KdPrint(("RR18xx: io base address 0x%p\n", pMvSataAdapter->adapterIoBaseAddress));
1321 	}
1322 
1323 	pMvSataAdapter->adapterId = num_adapters++;
1324 	/* get the revision ID */
1325 	pMvSataAdapter->pciConfigRevisionId = pci_read_config(pAdapter->hpt_dev, PCIR_REVID, 1);
1326 	pMvSataAdapter->pciConfigDeviceId = pci_get_device(pAdapter->hpt_dev);
1327 
1328 	/* init RR18xx */
1329 	pMvSataAdapter->intCoalThre[0]= 1;
1330 	pMvSataAdapter->intCoalThre[1]= 1;
1331 	pMvSataAdapter->intTimeThre[0] = 1;
1332 	pMvSataAdapter->intTimeThre[1] = 1;
1333 	pMvSataAdapter->pciCommand = 0x0107E371;
1334 	pMvSataAdapter->pciSerrMask = 0xd77fe6ul;
1335 	pMvSataAdapter->pciInterruptMask = 0xd77fe6ul;
1336 	pMvSataAdapter->mvSataEventNotify = hptmv_event_notify;
1337 
1338 	if (mvSataInitAdapter(pMvSataAdapter) == MV_FALSE)
1339 	{
1340 		MV_ERROR("RR18xx[%d]: core failed to initialize the adapter\n",
1341 				 pMvSataAdapter->adapterId);
1342 unregister:
1343 		bus_release_resource(pAdapter->hpt_dev, SYS_RES_MEMORY, rid, pAdapter->mem_res);
1344 		hptmv_free_edma_queues(pAdapter);
1345 		return ENXIO;
1346 	}
1347 	pAdapter->ver_601 = pMvSataAdapter->pcbVersion;
1348 
1349 #ifndef FOR_DEMO
1350 	set_fail_leds(pMvSataAdapter, 0);
1351 #endif
1352 
1353 	/* setup command blocks */
1354 	KdPrint(("Allocate command blocks\n"));
1355 	_vbus_(pFreeCommands) = 0;
1356 	pAdapter->pCommandBlocks =
1357 		malloc(sizeof(struct _Command) * MAX_COMMAND_BLOCKS_FOR_EACH_VBUS, M_DEVBUF, M_NOWAIT);
1358 	KdPrint(("pCommandBlocks:%p\n",pAdapter->pCommandBlocks));
1359 	if (!pAdapter->pCommandBlocks) {
1360 		MV_ERROR("insufficient memory\n");
1361 		goto unregister;
1362 	}
1363 
1364 	for (i=0; i<MAX_COMMAND_BLOCKS_FOR_EACH_VBUS; i++) {
1365 		FreeCommand(_VBUS_P &(pAdapter->pCommandBlocks[i]));
1366 	}
1367 
1368 	/*Set up the bus_dmamap*/
1369 	pAdapter->pbus_dmamap = (PBUS_DMAMAP)malloc (sizeof(struct _BUS_DMAMAP) * MAX_QUEUE_COMM, M_DEVBUF, M_NOWAIT);
1370 	if(!pAdapter->pbus_dmamap) {
1371 		MV_ERROR("insufficient memory\n");
1372 		free(pAdapter->pCommandBlocks, M_DEVBUF);
1373 		goto unregister;
1374 	}
1375 
1376 	memset((void *)pAdapter->pbus_dmamap, 0, sizeof(struct _BUS_DMAMAP) * MAX_QUEUE_COMM);
1377 	pAdapter->pbus_dmamap_list = 0;
1378 	for (i=0; i < MAX_QUEUE_COMM; i++) {
1379 		PBUS_DMAMAP  pmap = &(pAdapter->pbus_dmamap[i]);
1380 		pmap->pAdapter = pAdapter;
1381 		dmamap_put(pmap);
1382 
1383 		if(bus_dmamap_create(pAdapter->io_dma_parent, 0, &pmap->dma_map)) {
1384 			MV_ERROR("Can not allocate dma map\n");
1385 			free(pAdapter->pCommandBlocks, M_DEVBUF);
1386 			free(pAdapter->pbus_dmamap, M_DEVBUF);
1387 			goto unregister;
1388 		}
1389 		callout_init_mtx(&pmap->timeout, &pAdapter->lock, 0);
1390 	}
1391 	/* setup PRD Tables */
1392 	KdPrint(("Allocate PRD Tables\n"));
1393 	pAdapter->pFreePRDLink = 0;
1394 
1395 	pAdapter->prdTableAddr = (PUCHAR)contigmalloc(
1396 		(PRD_ENTRIES_SIZE*PRD_TABLES_FOR_VBUS + 32), M_DEVBUF, M_NOWAIT, 0, 0xffffffff, PAGE_SIZE, 0ul);
1397 
1398 	KdPrint(("prdTableAddr:%p\n",pAdapter->prdTableAddr));
1399 	if (!pAdapter->prdTableAddr) {
1400 		MV_ERROR("insufficient PRD Tables\n");
1401 		goto unregister;
1402 	}
1403 	pAdapter->prdTableAlignedAddr = (PUCHAR)(((ULONG_PTR)pAdapter->prdTableAddr + 0x1f) & ~(ULONG_PTR)0x1fL);
1404 	{
1405 		PUCHAR PRDTable = pAdapter->prdTableAlignedAddr;
1406 		for (i=0; i<PRD_TABLES_FOR_VBUS; i++)
1407 		{
1408 /*			KdPrint(("i=%d,pAdapter->pFreePRDLink=%p\n",i,pAdapter->pFreePRDLink)); */
1409 			FreePRDTable(pAdapter, PRDTable);
1410 			PRDTable += PRD_ENTRIES_SIZE;
1411 		}
1412 	}
1413 
1414 	/* enable the adapter interrupts */
1415 
1416 	/* configure and start the connected channels*/
1417 	for (channel = 0; channel < MV_SATA_CHANNELS_NUM; channel++)
1418 	{
1419 		pAdapter->mvChannel[channel].online = MV_FALSE;
1420 		if (mvSataIsStorageDeviceConnected(pMvSataAdapter, channel)
1421 			== MV_TRUE)
1422 		{
1423 			KdPrint(("RR18xx[%d]: channel %d is connected\n",
1424 					  pMvSataAdapter->adapterId, channel));
1425 
1426 			if (hptmv_init_channel(pAdapter, channel) == 0)
1427 			{
1428 				if (mvSataConfigureChannel(pMvSataAdapter, channel) == MV_FALSE)
1429 				{
1430 					MV_ERROR("RR18xx[%d]: Failed to configure channel"
1431 							 " %d\n",pMvSataAdapter->adapterId, channel);
1432 					hptmv_free_channel(pAdapter, channel);
1433 				}
1434 				else
1435 				{
1436 					if (start_channel(pAdapter, channel))
1437 					{
1438 						MV_ERROR("RR18xx[%d]: Failed to start channel,"
1439 								 " channel=%d\n",pMvSataAdapter->adapterId,
1440 								 channel);
1441 						hptmv_free_channel(pAdapter, channel);
1442 					}
1443 					pAdapter->mvChannel[channel].online = MV_TRUE;
1444 					/*  mvSataChannelSetEdmaLoopBackMode(pMvSataAdapter,
1445 													   channel,
1446 													   MV_TRUE);*/
1447 				}
1448 			}
1449 		}
1450 		KdPrint(("pAdapter->mvChannel[channel].online:%x, channel:%d\n",
1451 			pAdapter->mvChannel[channel].online, channel));
1452 	}
1453 
1454 #ifdef SUPPORT_ARRAY
1455 	for(i = MAX_ARRAY_DEVICE - 1; i >= 0; i--) {
1456 		pVDev = ArrayTables(i);
1457 		mArFreeArrayTable(pVDev);
1458 	}
1459 #endif
1460 
1461 	KdPrint(("Initialize Devices\n"));
1462 	for (channel = 0; channel < MV_SATA_CHANNELS_NUM; channel++) {
1463 		MV_SATA_CHANNEL *pMvSataChannel = pMvSataAdapter->sataChannel[channel];
1464 		if (pMvSataChannel) {
1465 			init_vdev_params(pAdapter, channel);
1466 			IdeRegisterVDevice(&pAdapter->VDevices[channel].u.disk);
1467 		}
1468 	}
1469 #ifdef SUPPORT_ARRAY
1470 	CheckArrayCritical(_VBUS_P0);
1471 #endif
1472 	_vbus_p->nInstances = 1;
1473 	fRegisterVdevice(pAdapter);
1474 
1475 	for (channel=0;channel<MV_SATA_CHANNELS_NUM;channel++) {
1476 		pVDev = _vbus_p->pVDevice[channel];
1477 		if (pVDev && pVDev->vf_online)
1478 			fCheckBootable(pVDev);
1479 	}
1480 
1481 #if defined(SUPPORT_ARRAY) && defined(_RAID5N_)
1482 	init_raid5_memory(_VBUS_P0);
1483 	_vbus_(r5).enable_write_back = 1;
1484 	printf("RR18xx: RAID5 write-back %s\n", _vbus_(r5).enable_write_back? "enabled" : "disabled");
1485 #endif
1486 
1487 	mvSataUnmaskAdapterInterrupt(pMvSataAdapter);
1488 	return 0;
1489 }
1490 
1491 int
1492 MvSataResetChannel(MV_SATA_ADAPTER *pMvSataAdapter, MV_U8 channel)
1493 {
1494 	IAL_ADAPTER_T   *pAdapter = (IAL_ADAPTER_T *)pMvSataAdapter->IALData;
1495 
1496 	mvSataDisableChannelDma(pMvSataAdapter, channel);
1497 	/* Flush pending commands */
1498 	mvSataFlushDmaQueue (pMvSataAdapter, channel, MV_FLUSH_TYPE_CALLBACK);
1499 
1500 	/* Software reset channel */
1501 	if (mvStorageDevATASoftResetDevice(pMvSataAdapter, channel) == MV_FALSE)
1502 	{
1503 		MV_ERROR("RR18xx [%d,%d]: failed to perform Software reset\n",
1504 				 pMvSataAdapter->adapterId, channel);
1505 		hptmv_free_channel(pAdapter, channel);
1506 		return -1;
1507 	}
1508 
1509 	/* Hardware reset channel */
1510 	if (mvSataChannelHardReset(pMvSataAdapter, channel)== MV_FALSE)
1511 	{
1512 		MV_ERROR("RR18xx [%d,%d] Failed to Hard reser the SATA channel\n",
1513 				 pMvSataAdapter->adapterId, channel);
1514 		hptmv_free_channel(pAdapter, channel);
1515 		return -1;
1516 	}
1517 
1518 	if (mvSataIsStorageDeviceConnected(pMvSataAdapter, channel) == MV_FALSE)
1519 	{
1520 		 MV_ERROR("RR18xx [%d,%d] Failed to Connect Device\n",
1521 				 pMvSataAdapter->adapterId, channel);
1522 		hptmv_free_channel(pAdapter, channel);
1523 		return -1;
1524 	}else
1525 	{
1526 		MV_ERROR("channel %d: perform recalibrate command", channel);
1527 		if (!mvStorageDevATAExecuteNonUDMACommand(pMvSataAdapter, channel,
1528 								MV_NON_UDMA_PROTOCOL_NON_DATA,
1529 								MV_FALSE,
1530 								NULL,	 /* pBuffer*/
1531 								0,		 /* count  */
1532 								0,		/*features*/
1533 										/* sectorCount */
1534 								0,
1535 								0,	/* lbaLow */
1536 								0,	/* lbaMid */
1537 									/* lbaHigh */
1538 								0,
1539 								0,		/* device */
1540 										/* command */
1541 								0x10))
1542 			MV_ERROR("channel %d: recalibrate failed", channel);
1543 
1544 		/* Set transfer mode */
1545 		if((mvStorageDevATASetFeatures(pMvSataAdapter, channel,
1546 						MV_ATA_SET_FEATURES_TRANSFER,
1547 						MV_ATA_TRANSFER_PIO_SLOW, 0, 0, 0) == MV_FALSE) ||
1548 			(mvStorageDevATASetFeatures(pMvSataAdapter, channel,
1549 						MV_ATA_SET_FEATURES_TRANSFER,
1550 						pAdapter->mvChannel[channel].maxPioModeSupported, 0, 0, 0) == MV_FALSE) ||
1551 			(mvStorageDevATASetFeatures(pMvSataAdapter, channel,
1552 						MV_ATA_SET_FEATURES_TRANSFER,
1553 						pAdapter->mvChannel[channel].maxUltraDmaModeSupported, 0, 0, 0) == MV_FALSE) )
1554 		{
1555 			MV_ERROR("channel %d: Set Features failed", channel);
1556 			hptmv_free_channel(pAdapter, channel);
1557 			return -1;
1558 		}
1559 		/* Enable EDMA */
1560 		if (mvSataEnableChannelDma(pMvSataAdapter, channel) == MV_FALSE)
1561 		{
1562 			MV_ERROR("Failed to enable DMA, channel=%d", channel);
1563 			hptmv_free_channel(pAdapter, channel);
1564 			return -1;
1565 		}
1566 	}
1567 	return 0;
1568 }
1569 
1570 static int
1571 fResetActiveCommands(PVBus _vbus_p)
1572 {
1573 	MV_SATA_ADAPTER *pMvSataAdapter = &((IAL_ADAPTER_T *)_vbus_p->OsExt)->mvSataAdapter;
1574 	MV_U8 channel;
1575 	for (channel=0;channel< MV_SATA_CHANNELS_NUM;channel++) {
1576 		if (pMvSataAdapter->sataChannel[channel] && pMvSataAdapter->sataChannel[channel]->outstandingCommands)
1577 			MvSataResetChannel(pMvSataAdapter,channel);
1578 	}
1579 	return 0;
1580 }
1581 
1582 void fCompleteAllCommandsSynchronously(PVBus _vbus_p)
1583 {
1584 	UINT cont;
1585 	ULONG ticks = 0;
1586 	MV_U8 channel;
1587 	MV_SATA_ADAPTER *pMvSataAdapter = &((IAL_ADAPTER_T *)_vbus_p->OsExt)->mvSataAdapter;
1588 	MV_SATA_CHANNEL *pMvSataChannel;
1589 
1590 	do {
1591 check_cmds:
1592 		cont = 0;
1593 		CheckPendingCall(_VBUS_P0);
1594 #ifdef _RAID5N_
1595 		dataxfer_poll();
1596 		xor_poll();
1597 #endif
1598 		for (channel=0;channel< MV_SATA_CHANNELS_NUM;channel++) {
1599 			pMvSataChannel = pMvSataAdapter->sataChannel[channel];
1600 			if (pMvSataChannel && pMvSataChannel->outstandingCommands)
1601 			{
1602 				while (pMvSataChannel->outstandingCommands) {
1603 					if (!mvSataInterruptServiceRoutine(pMvSataAdapter)) {
1604 						StallExec(1000);
1605 						if (ticks++ > 3000) {
1606 							MvSataResetChannel(pMvSataAdapter,channel);
1607 							goto check_cmds;
1608 						}
1609 					}
1610 					else
1611 						ticks = 0;
1612 				}
1613 				cont = 1;
1614 			}
1615 		}
1616 	} while (cont);
1617 }
1618 
1619 void
1620 fResetVBus(_VBUS_ARG0)
1621 {
1622 	KdPrint(("fMvResetBus(%p)", _vbus_p));
1623 
1624 	/* some commands may already finished. */
1625 	CheckPendingCall(_VBUS_P0);
1626 
1627 	fResetActiveCommands(_vbus_p);
1628 	/*
1629 	 * the other pending commands may still be finished successfully.
1630 	 */
1631 	fCompleteAllCommandsSynchronously(_vbus_p);
1632 
1633 	/* Now there should be no pending commands. No more action needed. */
1634 	CheckIdleCall(_VBUS_P0);
1635 
1636 	KdPrint(("fMvResetBus() done"));
1637 }
1638 
1639 /*No rescan function*/
1640 void
1641 fRescanAllDevice(_VBUS_ARG0)
1642 {
1643 }
1644 
1645 static MV_BOOLEAN
1646 CommandCompletionCB(MV_SATA_ADAPTER *pMvSataAdapter,
1647 					MV_U8 channelNum,
1648 					MV_COMPLETION_TYPE comp_type,
1649 					MV_VOID_PTR commandId,
1650 					MV_U16 responseFlags,
1651 					MV_U32 timeStamp,
1652 					MV_STORAGE_DEVICE_REGISTERS *registerStruct)
1653 {
1654 	PCommand pCmd = (PCommand) commandId;
1655 	_VBUS_INST(pCmd->pVDevice->pVBus)
1656 
1657 	if (pCmd->uScratch.sata_param.prdAddr)
1658 		FreePRDTable(pMvSataAdapter->IALData,pCmd->uScratch.sata_param.prdAddr);
1659 
1660 	switch (comp_type)
1661 	{
1662 	case MV_COMPLETION_TYPE_NORMAL:
1663 		pCmd->Result = RETURN_SUCCESS;
1664 		break;
1665 	case MV_COMPLETION_TYPE_ABORT:
1666 		pCmd->Result = RETURN_BUS_RESET;
1667 		break;
1668 	case MV_COMPLETION_TYPE_ERROR:
1669 		 MV_ERROR("IAL: COMPLETION ERROR, adapter %d, channel %d, flags=%x\n",
1670 				 pMvSataAdapter->adapterId, channelNum, responseFlags);
1671 
1672 		if (responseFlags & 4) {
1673 			MV_ERROR("ATA regs: error %x, sector count %x, LBA low %x, LBA mid %x,"
1674 				" LBA high %x, device %x, status %x\n",
1675 				registerStruct->errorRegister,
1676 				registerStruct->sectorCountRegister,
1677 				registerStruct->lbaLowRegister,
1678 				registerStruct->lbaMidRegister,
1679 				registerStruct->lbaHighRegister,
1680 				registerStruct->deviceRegister,
1681 				registerStruct->statusRegister);
1682 		}
1683 		/*We can't do handleEdmaError directly here, because CommandCompletionCB is called by
1684 		 * mv's ISR, if we retry the command, than the internel data structure may be destroyed*/
1685 		pCmd->uScratch.sata_param.responseFlags = responseFlags;
1686 		pCmd->uScratch.sata_param.bIdeStatus = registerStruct->statusRegister;
1687 		pCmd->uScratch.sata_param.errorRegister = registerStruct->errorRegister;
1688 		pCmd->pVDevice->u.disk.QueueLength--;
1689 		CallAfterReturn(_VBUS_P (DPC_PROC)handleEdmaError,pCmd);
1690 		return TRUE;
1691 
1692 	default:
1693 		MV_ERROR(" Unknown completion type (%d)\n", comp_type);
1694 		return MV_FALSE;
1695 	}
1696 
1697 	if (pCmd->uCmd.Ide.Command == IDE_COMMAND_VERIFY && pCmd->uScratch.sata_param.cmd_priv > 1) {
1698 		pCmd->uScratch.sata_param.cmd_priv --;
1699 		return TRUE;
1700 	}
1701 	pCmd->pVDevice->u.disk.QueueLength--;
1702 	CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1703 	return TRUE;
1704 }
1705 
1706 void
1707 fDeviceSendCommand(_VBUS_ARG PCommand pCmd)
1708 {
1709 	MV_SATA_EDMA_PRD_ENTRY  *pPRDTable = 0;
1710 	MV_SATA_ADAPTER *pMvSataAdapter;
1711 	MV_SATA_CHANNEL *pMvSataChannel;
1712 	PVDevice pVDevice = pCmd->pVDevice;
1713 	PDevice  pDevice = &pVDevice->u.disk;
1714 	LBA_T    Lba = pCmd->uCmd.Ide.Lba;
1715 	USHORT   nSector = pCmd->uCmd.Ide.nSectors;
1716 
1717 	MV_QUEUE_COMMAND_RESULT result;
1718 	MV_QUEUE_COMMAND_INFO commandInfo;
1719 	MV_UDMA_COMMAND_PARAMS  *pUdmaParams = &commandInfo.commandParams.udmaCommand;
1720 	MV_NONE_UDMA_COMMAND_PARAMS *pNoUdmaParams = &commandInfo.commandParams.NoneUdmaCommand;
1721 
1722 	MV_BOOLEAN is48bit;
1723 	MV_U8      channel;
1724 	int        i=0;
1725 
1726 	DECLARE_BUFFER(FPSCAT_GATH, tmpSg);
1727 
1728 	if (!pDevice->df_on_line) {
1729 		MV_ERROR("Device is offline");
1730 		pCmd->Result = RETURN_BAD_DEVICE;
1731 		CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1732 		return;
1733 	}
1734 
1735 	pDevice->HeadPosition = pCmd->uCmd.Ide.Lba + pCmd->uCmd.Ide.nSectors;
1736 	pMvSataChannel = pDevice->mv;
1737 	pMvSataAdapter = pMvSataChannel->mvSataAdapter;
1738 	channel = pMvSataChannel->channelNumber;
1739 
1740 	/* old RAID0 has hidden lba. Remember to clear dDeHiddenLba when delete array! */
1741 	Lba += pDevice->dDeHiddenLba;
1742 	/* check LBA */
1743 	if (Lba+nSector-1 > pDevice->dDeRealCapacity) {
1744 		pCmd->Result = RETURN_INVALID_REQUEST;
1745 		CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1746 		return;
1747 	}
1748 
1749 	/*
1750 	 * always use 48bit LBA if drive supports it.
1751 	 * Some Seagate drives report error if you use a 28-bit command
1752 	 * to access sector 0xfffffff.
1753 	 */
1754 	is48bit = pMvSataChannel->lba48Address;
1755 
1756 	switch (pCmd->uCmd.Ide.Command)
1757 	{
1758 	case IDE_COMMAND_READ:
1759 	case IDE_COMMAND_WRITE:
1760 		if (pDevice->bDeModeSetting<8) goto pio;
1761 
1762 		commandInfo.type = MV_QUEUED_COMMAND_TYPE_UDMA;
1763 		pUdmaParams->isEXT = is48bit;
1764 		pUdmaParams->numOfSectors = nSector;
1765 		pUdmaParams->lowLBAAddress = Lba;
1766 		pUdmaParams->highLBAAddress = 0;
1767 		pUdmaParams->prdHighAddr = 0;
1768 		pUdmaParams->callBack = CommandCompletionCB;
1769 		pUdmaParams->commandId = (MV_VOID_PTR )pCmd;
1770 		if(pCmd->uCmd.Ide.Command == IDE_COMMAND_READ)
1771 			pUdmaParams->readWrite = MV_UDMA_TYPE_READ;
1772 		else
1773 			pUdmaParams->readWrite = MV_UDMA_TYPE_WRITE;
1774 
1775 		if (pCmd->pSgTable && pCmd->cf_physical_sg) {
1776 			FPSCAT_GATH sg1=tmpSg, sg2=pCmd->pSgTable;
1777 			do { *sg1++=*sg2; } while ((sg2++->wSgFlag & SG_FLAG_EOT)==0);
1778 		}
1779 		else {
1780 			if (!pCmd->pfnBuildSgl || !pCmd->pfnBuildSgl(_VBUS_P pCmd, tmpSg, 0)) {
1781 pio:
1782 				mvSataDisableChannelDma(pMvSataAdapter, channel);
1783 				mvSataFlushDmaQueue(pMvSataAdapter, channel, MV_FLUSH_TYPE_CALLBACK);
1784 
1785 				if (pCmd->pSgTable && pCmd->cf_physical_sg==0) {
1786 					FPSCAT_GATH sg1=tmpSg, sg2=pCmd->pSgTable;
1787 					do { *sg1++=*sg2; } while ((sg2++->wSgFlag & SG_FLAG_EOT)==0);
1788 				}
1789 				else {
1790 					if (!pCmd->pfnBuildSgl || !pCmd->pfnBuildSgl(_VBUS_P pCmd, tmpSg, 1)) {
1791 						pCmd->Result = RETURN_NEED_LOGICAL_SG;
1792 						goto finish_cmd;
1793 					}
1794 				}
1795 
1796 				do {
1797 					ULONG size = tmpSg->wSgSize? tmpSg->wSgSize : 0x10000;
1798 					ULONG_PTR addr = tmpSg->dSgAddress;
1799 					if (size & 0x1ff) {
1800 						pCmd->Result = RETURN_INVALID_REQUEST;
1801 						goto finish_cmd;
1802 					}
1803 					if (mvStorageDevATAExecuteNonUDMACommand(pMvSataAdapter, channel,
1804 						(pCmd->cf_data_out)?MV_NON_UDMA_PROTOCOL_PIO_DATA_OUT:MV_NON_UDMA_PROTOCOL_PIO_DATA_IN,
1805 						is48bit,
1806 						(MV_U16_PTR)addr,
1807 						size >> 1,	/* count       */
1808 						0,		/* features  N/A  */
1809 						(MV_U16)(size>>9),	/*sector count*/
1810 						(MV_U16)(  (is48bit? (MV_U16)((Lba >> 16) & 0xFF00) : 0 )  | (UCHAR)(Lba & 0xFF) ), /*lbalow*/
1811 						(MV_U16)((Lba >> 8) & 0xFF), /* lbaMid      */
1812 						(MV_U16)((Lba >> 16) & 0xFF),/* lbaHigh     */
1813 						(MV_U8)(0x40 | (is48bit ? 0 : (UCHAR)(Lba >> 24) & 0xFF )),/* device      */
1814 						(MV_U8)(is48bit ? (pCmd->cf_data_in?IDE_COMMAND_READ_EXT:IDE_COMMAND_WRITE_EXT):pCmd->uCmd.Ide.Command)
1815 					)==MV_FALSE)
1816 					{
1817 						pCmd->Result = RETURN_IDE_ERROR;
1818 						goto finish_cmd;
1819 					}
1820 					Lba += size>>9;
1821 					if(Lba & 0xF0000000) is48bit = MV_TRUE;
1822 				}
1823 				while ((tmpSg++->wSgFlag & SG_FLAG_EOT)==0);
1824 				pCmd->Result = RETURN_SUCCESS;
1825 finish_cmd:
1826 				mvSataEnableChannelDma(pMvSataAdapter,channel);
1827 				CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1828 				return;
1829 			}
1830 		}
1831 
1832 		pPRDTable = (MV_SATA_EDMA_PRD_ENTRY *) AllocatePRDTable(pMvSataAdapter->IALData);
1833 		KdPrint(("pPRDTable:%p\n",pPRDTable));
1834 		if (!pPRDTable) {
1835 			pCmd->Result = RETURN_DEVICE_BUSY;
1836 			CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1837 			HPT_ASSERT(0);
1838 			return;
1839 		}
1840 
1841 		do{
1842 			pPRDTable[i].highBaseAddr = (sizeof(tmpSg->dSgAddress)>4 ? (MV_U32)(tmpSg->dSgAddress>>32) : 0);
1843 			pPRDTable[i].flags = (MV_U16)tmpSg->wSgFlag;
1844 			pPRDTable[i].byteCount = (MV_U16)tmpSg->wSgSize;
1845 			pPRDTable[i].lowBaseAddr = (MV_U32)tmpSg->dSgAddress;
1846 			pPRDTable[i].reserved = 0;
1847 			i++;
1848 		}while((tmpSg++->wSgFlag & SG_FLAG_EOT)==0);
1849 
1850 		pUdmaParams->prdLowAddr = (ULONG)fOsPhysicalAddress(pPRDTable);
1851 		if ((pUdmaParams->numOfSectors == 256) && (pMvSataChannel->lba48Address == MV_FALSE)) {
1852 			pUdmaParams->numOfSectors = 0;
1853 		}
1854 
1855 		pCmd->uScratch.sata_param.prdAddr = (PVOID)pPRDTable;
1856 
1857 		result = mvSataQueueCommand(pMvSataAdapter, channel, &commandInfo);
1858 
1859 		if (result != MV_QUEUE_COMMAND_RESULT_OK)
1860 		{
1861 queue_failed:
1862 			switch (result)
1863 			{
1864 			case MV_QUEUE_COMMAND_RESULT_BAD_LBA_ADDRESS:
1865 				MV_ERROR("IAL Error: Edma Queue command failed. Bad LBA "
1866 						 "LBA[31:0](0x%08x)\n", pUdmaParams->lowLBAAddress);
1867 				pCmd->Result = RETURN_IDE_ERROR;
1868 				break;
1869 			case MV_QUEUE_COMMAND_RESULT_QUEUED_MODE_DISABLED:
1870 				MV_ERROR("IAL Error: Edma Queue command failed. EDMA"
1871 						 " disabled adapter %d channel %d\n",
1872 						 pMvSataAdapter->adapterId, channel);
1873 				mvSataEnableChannelDma(pMvSataAdapter,channel);
1874 				pCmd->Result = RETURN_IDE_ERROR;
1875 				break;
1876 			case MV_QUEUE_COMMAND_RESULT_FULL:
1877 				MV_ERROR("IAL Error: Edma Queue command failed. Queue is"
1878 						 " Full adapter %d channel %d\n",
1879 						 pMvSataAdapter->adapterId, channel);
1880 				pCmd->Result = RETURN_DEVICE_BUSY;
1881 				break;
1882 			case MV_QUEUE_COMMAND_RESULT_BAD_PARAMS:
1883 				MV_ERROR("IAL Error: Edma Queue command failed. (Bad "
1884 						 "Params), pMvSataAdapter: %p,  pSataChannel: %p.\n",
1885 						 pMvSataAdapter, pMvSataAdapter->sataChannel[channel]);
1886 				pCmd->Result = RETURN_IDE_ERROR;
1887 				break;
1888 			default:
1889 				MV_ERROR("IAL Error: Bad result value (%d) from queue"
1890 						 " command\n", result);
1891 				pCmd->Result = RETURN_IDE_ERROR;
1892 			}
1893 			if(pPRDTable)
1894 				FreePRDTable(pMvSataAdapter->IALData,pPRDTable);
1895 			CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1896 		}
1897 		pDevice->QueueLength++;
1898 		return;
1899 
1900 	case IDE_COMMAND_VERIFY:
1901 		commandInfo.type = MV_QUEUED_COMMAND_TYPE_NONE_UDMA;
1902 		pNoUdmaParams->bufPtr = NULL;
1903 		pNoUdmaParams->callBack = CommandCompletionCB;
1904 		pNoUdmaParams->commandId = (MV_VOID_PTR)pCmd;
1905 		pNoUdmaParams->count = 0;
1906 		pNoUdmaParams->features = 0;
1907 		pNoUdmaParams->protocolType = MV_NON_UDMA_PROTOCOL_NON_DATA;
1908 
1909 		pCmd->uScratch.sata_param.cmd_priv = 1;
1910 		if (pMvSataChannel->lba48Address == MV_TRUE){
1911 			pNoUdmaParams->command = MV_ATA_COMMAND_READ_VERIFY_SECTORS_EXT;
1912 			pNoUdmaParams->isEXT = MV_TRUE;
1913 			pNoUdmaParams->lbaHigh = (MV_U16)((Lba & 0xff0000) >> 16);
1914 			pNoUdmaParams->lbaMid = (MV_U16)((Lba & 0xff00) >> 8);
1915 			pNoUdmaParams->lbaLow =
1916 				(MV_U16)(((Lba & 0xff000000) >> 16)| (Lba & 0xff));
1917 			pNoUdmaParams->sectorCount = nSector;
1918 			pNoUdmaParams->device = 0x40;
1919 			result = mvSataQueueCommand(pMvSataAdapter, channel, &commandInfo);
1920 			if (result != MV_QUEUE_COMMAND_RESULT_OK){
1921 				goto queue_failed;
1922 			}
1923 			return;
1924 		}
1925 		else{
1926 			pNoUdmaParams->command = MV_ATA_COMMAND_READ_VERIFY_SECTORS;
1927 			pNoUdmaParams->isEXT = MV_FALSE;
1928 			pNoUdmaParams->lbaHigh = (MV_U16)((Lba & 0xff0000) >> 16);
1929 			pNoUdmaParams->lbaMid = (MV_U16)((Lba & 0xff00) >> 8);
1930 			pNoUdmaParams->lbaLow = (MV_U16)(Lba & 0xff);
1931 			pNoUdmaParams->sectorCount = 0xff & nSector;
1932 			pNoUdmaParams->device = (MV_U8)(0x40 |
1933 				((Lba & 0xf000000) >> 24));
1934 			pNoUdmaParams->callBack = CommandCompletionCB;
1935 			result = mvSataQueueCommand(pMvSataAdapter, channel, &commandInfo);
1936 			/*FIXME: how about the commands already queued? but marvel also forgets to consider this*/
1937 			if (result != MV_QUEUE_COMMAND_RESULT_OK){
1938 				goto queue_failed;
1939 			}
1940 		}
1941 		break;
1942 	default:
1943 		pCmd->Result = RETURN_INVALID_REQUEST;
1944 		CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1945 		break;
1946 	}
1947 }
1948 
1949 /**********************************************************
1950  *
1951  *	Probe the hostadapter.
1952  *
1953  **********************************************************/
1954 static int
1955 hpt_probe(device_t dev)
1956 {
1957 	if ((pci_get_vendor(dev) == MV_SATA_VENDOR_ID) &&
1958 		(pci_get_device(dev) == MV_SATA_DEVICE_ID_5081
1959 #ifdef FOR_DEMO
1960 		|| pci_get_device(dev) == MV_SATA_DEVICE_ID_5080
1961 #endif
1962 		))
1963 	{
1964 		KdPrintI((CONTROLLER_NAME " found\n"));
1965 		device_set_desc(dev, CONTROLLER_NAME);
1966 		return (BUS_PROBE_DEFAULT);
1967 	}
1968 	else
1969 		return(ENXIO);
1970 }
1971 
1972 /***********************************************************
1973  *
1974  *      Auto configuration:  attach and init a host adapter.
1975  *
1976  ***********************************************************/
1977 static int
1978 hpt_attach(device_t dev)
1979 {
1980 	IAL_ADAPTER_T * pAdapter = device_get_softc(dev);
1981 	int rid;
1982 	union ccb *ccb;
1983 	struct cam_devq *devq;
1984 	struct cam_sim *hpt_vsim;
1985 
1986 	device_printf(dev, "%s Version %s \n", DRIVER_NAME, DRIVER_VERSION);
1987 
1988 	pAdapter->hpt_dev = dev;
1989 
1990 	rid = init_adapter(pAdapter);
1991 	if (rid)
1992 		return rid;
1993 
1994 	rid = 0;
1995 	if ((pAdapter->hpt_irq = bus_alloc_resource_any(pAdapter->hpt_dev, SYS_RES_IRQ, &rid, RF_SHAREABLE | RF_ACTIVE)) == NULL)
1996 	{
1997 		hpt_printk(("can't allocate interrupt\n"));
1998 		return(ENXIO);
1999 	}
2000 
2001 	if (bus_setup_intr(pAdapter->hpt_dev, pAdapter->hpt_irq,
2002 				INTR_TYPE_CAM | INTR_MPSAFE,
2003 				NULL, hpt_intr, pAdapter, &pAdapter->hpt_intr))
2004 	{
2005 		hpt_printk(("can't set up interrupt\n"));
2006 		free(pAdapter, M_DEVBUF);
2007 		return(ENXIO);
2008 	}
2009 
2010 
2011 	ccb = xpt_alloc_ccb();
2012 	ccb->ccb_h.pinfo.priority = 1;
2013 	ccb->ccb_h.pinfo.index = CAM_UNQUEUED_INDEX;
2014 
2015 	/*
2016 	 * Create the device queue for our SIM(s).
2017 	 */
2018 	if((devq = cam_simq_alloc(8/*MAX_QUEUE_COMM*/)) == NULL)
2019 	{
2020 		KdPrint(("ENXIO\n"));
2021 		return ENOMEM;
2022 	}
2023 
2024 	/*
2025 	 * Construct our SIM entry
2026 	 */
2027 	hpt_vsim = cam_sim_alloc(hpt_action, hpt_poll, __str(PROC_DIR_NAME),
2028 			pAdapter, device_get_unit(pAdapter->hpt_dev),
2029 			&pAdapter->lock, 1, 8, devq);
2030 	if (hpt_vsim == NULL) {
2031 		cam_simq_free(devq);
2032 		return ENOMEM;
2033 	}
2034 
2035 	mtx_lock(&pAdapter->lock);
2036 	if (xpt_bus_register(hpt_vsim, dev, 0) != CAM_SUCCESS)
2037 	{
2038 		cam_sim_free(hpt_vsim, /*free devq*/ TRUE);
2039 		mtx_unlock(&pAdapter->lock);
2040 		hpt_vsim = NULL;
2041 		return ENXIO;
2042 	}
2043 
2044 	if(xpt_create_path(&pAdapter->path, /*periph */ NULL,
2045 			cam_sim_path(hpt_vsim), CAM_TARGET_WILDCARD,
2046 			CAM_LUN_WILDCARD) != CAM_REQ_CMP)
2047 	{
2048 		xpt_bus_deregister(cam_sim_path(hpt_vsim));
2049 		cam_sim_free(hpt_vsim, /*free_devq*/TRUE);
2050 		mtx_unlock(&pAdapter->lock);
2051 		hpt_vsim = NULL;
2052 		return ENXIO;
2053 	}
2054 	mtx_unlock(&pAdapter->lock);
2055 
2056 	xpt_setup_ccb(&(ccb->ccb_h), pAdapter->path, /*priority*/5);
2057 	ccb->ccb_h.func_code = XPT_SASYNC_CB;
2058 	ccb->csa.event_enable = AC_LOST_DEVICE;
2059 	ccb->csa.callback = hpt_async;
2060 	ccb->csa.callback_arg = hpt_vsim;
2061 	xpt_action((union ccb *)ccb);
2062 	xpt_free_ccb(ccb);
2063 
2064 	if (device_get_unit(dev) == 0) {
2065 		/* Start the work thread.  XXX */
2066 		launch_worker_thread();
2067 	}
2068 
2069 	return 0;
2070 }
2071 
2072 static int
2073 hpt_detach(device_t dev)
2074 {
2075 	return (EBUSY);
2076 }
2077 
2078 
2079 /***************************************************************
2080  * The poll function is used to simulate the interrupt when
2081  * the interrupt subsystem is not functioning.
2082  *
2083  ***************************************************************/
2084 static void
2085 hpt_poll(struct cam_sim *sim)
2086 {
2087 
2088 	hpt_intr_locked((void *)cam_sim_softc(sim));
2089 }
2090 
2091 /****************************************************************
2092  *	Name:	hpt_intr
2093  *	Description:	Interrupt handler.
2094  ****************************************************************/
2095 static void
2096 hpt_intr(void *arg)
2097 {
2098 	IAL_ADAPTER_T *pAdapter;
2099 
2100 	pAdapter = arg;
2101 	mtx_lock(&pAdapter->lock);
2102 	hpt_intr_locked(pAdapter);
2103 	mtx_unlock(&pAdapter->lock);
2104 }
2105 
2106 static void
2107 hpt_intr_locked(IAL_ADAPTER_T *pAdapter)
2108 {
2109 
2110 	mtx_assert(&pAdapter->lock, MA_OWNED);
2111 	/* KdPrintI(("----- Entering Isr() -----\n")); */
2112 	if (mvSataInterruptServiceRoutine(&pAdapter->mvSataAdapter) == MV_TRUE)
2113 	{
2114 		_VBUS_INST(&pAdapter->VBus)
2115 		CheckPendingCall(_VBUS_P0);
2116 	}
2117 
2118 	/* KdPrintI(("----- Leaving Isr() -----\n")); */
2119 }
2120 
2121 /**********************************************************
2122  * 			Asynchronous Events
2123  *********************************************************/
2124 #if (!defined(UNREFERENCED_PARAMETER))
2125 #define UNREFERENCED_PARAMETER(x) (void)(x)
2126 #endif
2127 
2128 static void
2129 hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path,
2130     void * arg)
2131 {
2132 	/* debug XXXX */
2133 	panic("Here");
2134 	UNREFERENCED_PARAMETER(callback_arg);
2135 	UNREFERENCED_PARAMETER(code);
2136 	UNREFERENCED_PARAMETER(path);
2137 	UNREFERENCED_PARAMETER(arg);
2138 
2139 }
2140 
2141 static void
2142 FlushAdapter(IAL_ADAPTER_T *pAdapter)
2143 {
2144 	int i;
2145 
2146 	hpt_printk(("flush all devices\n"));
2147 
2148 	/* flush all devices */
2149 	for (i=0; i<MAX_VDEVICE_PER_VBUS; i++) {
2150 		PVDevice pVDev = pAdapter->VBus.pVDevice[i];
2151 		if(pVDev) fFlushVDev(pVDev);
2152 	}
2153 }
2154 
2155 static int
2156 hpt_shutdown(device_t dev)
2157 {
2158 		IAL_ADAPTER_T *pAdapter;
2159 
2160 		pAdapter = device_get_softc(dev);
2161 
2162 		EVENTHANDLER_DEREGISTER(shutdown_final, pAdapter->eh);
2163 		mtx_lock(&pAdapter->lock);
2164 		FlushAdapter(pAdapter);
2165 		mtx_unlock(&pAdapter->lock);
2166 		  /* give the flush some time to happen,
2167 		    *otherwise "shutdown -p now" will make file system corrupted */
2168 		DELAY(1000 * 1000 * 5);
2169 		return 0;
2170 }
2171 
2172 void
2173 Check_Idle_Call(IAL_ADAPTER_T *pAdapter)
2174 {
2175 	_VBUS_INST(&pAdapter->VBus)
2176 
2177 	if (mWaitingForIdle(_VBUS_P0)) {
2178 		CheckIdleCall(_VBUS_P0);
2179 #ifdef SUPPORT_ARRAY
2180 		{
2181 			int i;
2182 			PVDevice pArray;
2183 			for(i = 0; i < MAX_ARRAY_PER_VBUS; i++){
2184 				if ((pArray=ArrayTables(i))->u.array.dArStamp==0)
2185 					continue;
2186 				else if (pArray->u.array.rf_auto_rebuild) {
2187 						KdPrint(("auto rebuild.\n"));
2188 						pArray->u.array.rf_auto_rebuild = 0;
2189 						hpt_queue_dpc((HPT_DPC)hpt_rebuild_data_block, pAdapter, pArray, DUPLICATE);
2190 				}
2191 			}
2192 		}
2193 #endif
2194 	}
2195 	/* launch the awaiting commands blocked by mWaitingForIdle */
2196 	while(pAdapter->pending_Q!= NULL)
2197 	{
2198 		_VBUS_INST(&pAdapter->VBus)
2199 		union ccb *ccb = (union ccb *)pAdapter->pending_Q->ccb_h.ccb_ccb_ptr;
2200 		hpt_free_ccb(&pAdapter->pending_Q, ccb);
2201 		CallAfterReturn(_VBUS_P (DPC_PROC)OsSendCommand, ccb);
2202 	}
2203 }
2204 
2205 static void
2206 ccb_done(union ccb *ccb)
2207 {
2208 	PBUS_DMAMAP pmap = (PBUS_DMAMAP)ccb->ccb_adapter;
2209 	IAL_ADAPTER_T * pAdapter = pmap->pAdapter;
2210 	KdPrintI(("ccb_done: ccb %p status %x\n", ccb, ccb->ccb_h.status));
2211 
2212 	dmamap_put(pmap);
2213 	xpt_done(ccb);
2214 
2215 	pAdapter->outstandingCommands--;
2216 
2217 	if (pAdapter->outstandingCommands == 0)
2218 	{
2219 		if(DPC_Request_Nums == 0)
2220 			Check_Idle_Call(pAdapter);
2221 		wakeup(pAdapter);
2222 	}
2223 }
2224 
2225 /****************************************************************
2226  *	Name:	hpt_action
2227  *	Description:	Process a queued command from the CAM layer.
2228  *	Parameters:		sim - Pointer to SIM object
2229  *					ccb - Pointer to SCSI command structure.
2230  ****************************************************************/
2231 
2232 void
2233 hpt_action(struct cam_sim *sim, union ccb *ccb)
2234 {
2235 	IAL_ADAPTER_T * pAdapter = (IAL_ADAPTER_T *) cam_sim_softc(sim);
2236 	PBUS_DMAMAP  pmap;
2237 	_VBUS_INST(&pAdapter->VBus)
2238 
2239 	mtx_assert(&pAdapter->lock, MA_OWNED);
2240 	CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("hpt_action\n"));
2241 	KdPrint(("hpt_action(%lx,%lx{%x})\n", (u_long)sim, (u_long)ccb, ccb->ccb_h.func_code));
2242 
2243 	switch (ccb->ccb_h.func_code)
2244 	{
2245 		case XPT_SCSI_IO:	/* Execute the requested I/O operation */
2246 		{
2247 			/* ccb->ccb_h.path_id is not our bus id - don't check it */
2248 
2249 			if (ccb->ccb_h.target_lun)	{
2250 				ccb->ccb_h.status = CAM_LUN_INVALID;
2251 				xpt_done(ccb);
2252 				return;
2253 			}
2254 			if (ccb->ccb_h.target_id >= MAX_VDEVICE_PER_VBUS ||
2255 				pAdapter->VBus.pVDevice[ccb->ccb_h.target_id]==0) {
2256 				ccb->ccb_h.status = CAM_TID_INVALID;
2257 				xpt_done(ccb);
2258 				return;
2259 			}
2260 
2261 			if (pAdapter->outstandingCommands==0 && DPC_Request_Nums==0)
2262 				Check_Idle_Call(pAdapter);
2263 
2264 			pmap = dmamap_get(pAdapter);
2265 			HPT_ASSERT(pmap);
2266 			ccb->ccb_adapter = pmap;
2267 			memset((void *)pmap->psg, 0,  sizeof(pmap->psg));
2268 
2269 			if (mWaitingForIdle(_VBUS_P0))
2270 				hpt_queue_ccb(&pAdapter->pending_Q, ccb);
2271 			else
2272 				OsSendCommand(_VBUS_P ccb);
2273 
2274 			/* KdPrint(("leave scsiio\n")); */
2275 			break;
2276 		}
2277 
2278 		case XPT_RESET_BUS:
2279 			KdPrint(("reset bus\n"));
2280 			fResetVBus(_VBUS_P0);
2281 			xpt_done(ccb);
2282 			break;
2283 
2284 		case XPT_RESET_DEV:	/* Bus Device Reset the specified SCSI device */
2285 		case XPT_ABORT:			/* Abort the specified CCB */
2286 		case XPT_TERM_IO:		/* Terminate the I/O process */
2287 			/* XXX Implement */
2288 			ccb->ccb_h.status = CAM_REQ_INVALID;
2289 			xpt_done(ccb);
2290 			break;
2291 
2292 		case XPT_GET_TRAN_SETTINGS:
2293 		case XPT_SET_TRAN_SETTINGS:
2294 			/* XXX Implement */
2295 			ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
2296 			xpt_done(ccb);
2297 			break;
2298 
2299 		case XPT_CALC_GEOMETRY:
2300 			cam_calc_geometry(&ccb->ccg, 1);
2301 			xpt_done(ccb);
2302 			break;
2303 
2304 		case XPT_PATH_INQ:		/* Path routing inquiry */
2305 		{
2306 			struct ccb_pathinq *cpi = &ccb->cpi;
2307 
2308 			cpi->version_num = 1; /* XXX??? */
2309 			cpi->hba_inquiry = PI_SDTR_ABLE;
2310 			cpi->target_sprt = 0;
2311 			/* Not necessary to reset bus */
2312 			cpi->hba_misc = PIM_NOBUSRESET;
2313 			cpi->hba_eng_cnt = 0;
2314 
2315 			cpi->max_target = MAX_VDEVICE_PER_VBUS;
2316 			cpi->max_lun = 0;
2317 			cpi->initiator_id = MAX_VDEVICE_PER_VBUS;
2318 
2319 			cpi->bus_id = cam_sim_bus(sim);
2320 			cpi->base_transfer_speed = 3300;
2321 			strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
2322 			strlcpy(cpi->hba_vid, "HPT   ", HBA_IDLEN);
2323 			strlcpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
2324 			cpi->unit_number = cam_sim_unit(sim);
2325 			cpi->transport = XPORT_SPI;
2326 			cpi->transport_version = 2;
2327 			cpi->protocol = PROTO_SCSI;
2328 			cpi->protocol_version = SCSI_REV_2;
2329 			cpi->ccb_h.status = CAM_REQ_CMP;
2330 			xpt_done(ccb);
2331 			break;
2332 		}
2333 
2334 		default:
2335 			KdPrint(("invalid cmd\n"));
2336 			ccb->ccb_h.status = CAM_REQ_INVALID;
2337 			xpt_done(ccb);
2338 			break;
2339 	}
2340 	/* KdPrint(("leave hpt_action..............\n")); */
2341 }
2342 
2343 /* shall be called at lock_driver() */
2344 static void
2345 hpt_queue_ccb(union ccb **ccb_Q, union ccb *ccb)
2346 {
2347 	if(*ccb_Q == NULL)
2348 		ccb->ccb_h.ccb_ccb_ptr = ccb;
2349 	else {
2350 		ccb->ccb_h.ccb_ccb_ptr = (*ccb_Q)->ccb_h.ccb_ccb_ptr;
2351 		(*ccb_Q)->ccb_h.ccb_ccb_ptr = (char *)ccb;
2352 	}
2353 
2354 	*ccb_Q = ccb;
2355 }
2356 
2357 /* shall be called at lock_driver() */
2358 static void
2359 hpt_free_ccb(union ccb **ccb_Q, union ccb *ccb)
2360 {
2361 	union ccb *TempCCB;
2362 
2363 	TempCCB = *ccb_Q;
2364 
2365 	if(ccb->ccb_h.ccb_ccb_ptr == ccb) /*it means SCpnt is the last one in CURRCMDs*/
2366 		*ccb_Q = NULL;
2367 	else {
2368 		while(TempCCB->ccb_h.ccb_ccb_ptr != (char *)ccb)
2369 			TempCCB = (union ccb *)TempCCB->ccb_h.ccb_ccb_ptr;
2370 
2371 		TempCCB->ccb_h.ccb_ccb_ptr = ccb->ccb_h.ccb_ccb_ptr;
2372 
2373 		if(*ccb_Q == ccb)
2374 			*ccb_Q = TempCCB;
2375 	}
2376 }
2377 
2378 #ifdef SUPPORT_ARRAY
2379 /***************************************************************************
2380  * Function:     hpt_worker_thread
2381  * Description:  Do background rebuilding. Execute in kernel thread context.
2382  * Returns:      None
2383  ***************************************************************************/
2384 static void hpt_worker_thread(void)
2385 {
2386 
2387 	for(;;)	{
2388 		mtx_lock(&DpcQueue_Lock);
2389 		while (DpcQueue_First!=DpcQueue_Last) {
2390 			ST_HPT_DPC p;
2391 			p = DpcQueue[DpcQueue_First];
2392 			DpcQueue_First++;
2393 			DpcQueue_First %= MAX_DPC;
2394 			DPC_Request_Nums++;
2395 			mtx_unlock(&DpcQueue_Lock);
2396 			p.dpc(p.pAdapter, p.arg, p.flags);
2397 
2398 			mtx_lock(&p.pAdapter->lock);
2399 			mtx_lock(&DpcQueue_Lock);
2400 			DPC_Request_Nums--;
2401 			/* since we may have prevented Check_Idle_Call, do it here */
2402 			if (DPC_Request_Nums==0) {
2403 				if (p.pAdapter->outstandingCommands == 0) {
2404 					_VBUS_INST(&p.pAdapter->VBus);
2405 					Check_Idle_Call(p.pAdapter);
2406 					CheckPendingCall(_VBUS_P0);
2407 				}
2408 			}
2409 			mtx_unlock(&p.pAdapter->lock);
2410 			mtx_unlock(&DpcQueue_Lock);
2411 
2412 			/*Schedule out*/
2413 			if (SIGISMEMBER(curproc->p_siglist, SIGSTOP)) {
2414 				/* abort rebuilding process. */
2415 				IAL_ADAPTER_T *pAdapter;
2416 				PVDevice      pArray;
2417 				PVBus         _vbus_p;
2418 				int i;
2419 
2420 				sx_slock(&hptmv_list_lock);
2421 				pAdapter = gIal_Adapter;
2422 
2423 				while(pAdapter != NULL){
2424 					mtx_lock(&pAdapter->lock);
2425 					_vbus_p = &pAdapter->VBus;
2426 
2427 					for (i=0;i<MAX_ARRAY_PER_VBUS;i++)
2428 					{
2429 						if ((pArray=ArrayTables(i))->u.array.dArStamp==0)
2430 							continue;
2431 						else if (pArray->u.array.rf_rebuilding ||
2432 								pArray->u.array.rf_verifying ||
2433 								pArray->u.array.rf_initializing)
2434 							{
2435 								pArray->u.array.rf_abort_rebuild = 1;
2436 							}
2437 					}
2438 					mtx_unlock(&pAdapter->lock);
2439 					pAdapter = pAdapter->next;
2440 				}
2441 				sx_sunlock(&hptmv_list_lock);
2442 			}
2443 			mtx_lock(&DpcQueue_Lock);
2444 		}
2445 		mtx_unlock(&DpcQueue_Lock);
2446 
2447 /*Remove this debug option*/
2448 /*
2449 #ifdef DEBUG
2450 		if (SIGISMEMBER(curproc->p_siglist, SIGSTOP))
2451 			pause("hptrdy", 2*hz);
2452 #endif
2453 */
2454 		kproc_suspend_check(curproc);
2455 		pause("-", 2*hz);  /* wait for something to do */
2456 	}
2457 }
2458 
2459 static struct proc *hptdaemonproc;
2460 static struct kproc_desc hpt_kp = {
2461 	"hpt_wt",
2462 	hpt_worker_thread,
2463 	&hptdaemonproc
2464 };
2465 
2466 /*Start this thread in the hpt_attach, to prevent kernel from loading it without our controller.*/
2467 static void
2468 launch_worker_thread(void)
2469 {
2470 	IAL_ADAPTER_T *pAdapTemp;
2471 
2472 	kproc_start(&hpt_kp);
2473 
2474 	sx_slock(&hptmv_list_lock);
2475 	for (pAdapTemp = gIal_Adapter; pAdapTemp; pAdapTemp = pAdapTemp->next) {
2476 
2477 		_VBUS_INST(&pAdapTemp->VBus)
2478 		int i;
2479 		PVDevice pVDev;
2480 
2481 		for(i = 0; i < MAX_ARRAY_PER_VBUS; i++)
2482 			if ((pVDev=ArrayTables(i))->u.array.dArStamp==0)
2483 				continue;
2484 			else{
2485 				if (pVDev->u.array.rf_need_rebuild && !pVDev->u.array.rf_rebuilding)
2486 					hpt_queue_dpc((HPT_DPC)hpt_rebuild_data_block, pAdapTemp, pVDev,
2487 					(UCHAR)((pVDev->u.array.CriticalMembers || pVDev->VDeviceType == VD_RAID_1)? DUPLICATE : REBUILD_PARITY));
2488 			}
2489 	}
2490 	sx_sunlock(&hptmv_list_lock);
2491 
2492 	/*
2493 	 * hpt_worker_thread needs to be suspended after shutdown sync, when fs sync finished.
2494 	 */
2495 	EVENTHANDLER_REGISTER(shutdown_post_sync, kproc_shutdown, hptdaemonproc,
2496 	    SHUTDOWN_PRI_LAST);
2497 }
2498 /*
2499  *SYSINIT(hptwt, SI_SUB_KTHREAD_IDLE, SI_ORDER_FIRST, launch_worker_thread, NULL);
2500 */
2501 
2502 #endif
2503 
2504 /********************************************************************************/
2505 
2506 int HPTLIBAPI fOsBuildSgl(_VBUS_ARG PCommand pCmd, FPSCAT_GATH pSg, int logical)
2507 {
2508 	union ccb *ccb = (union ccb *)pCmd->pOrgCommand;
2509 
2510 	if (logical) {
2511 		pSg->dSgAddress = (ULONG_PTR)(UCHAR *)ccb->csio.data_ptr;
2512 		pSg->wSgSize = ccb->csio.dxfer_len;
2513 		pSg->wSgFlag = SG_FLAG_EOT;
2514 		return TRUE;
2515 	}
2516 	/* since we have provided physical sg, nobody will ask us to build physical sg */
2517 	HPT_ASSERT(0);
2518 	return FALSE;
2519 }
2520 
2521 /*******************************************************************************/
2522 ULONG HPTLIBAPI
2523 GetStamp(void)
2524 {
2525 	/*
2526 	 * the system variable, ticks, can't be used since it hasn't yet been active
2527 	 * when our driver starts (ticks==0, it's a invalid stamp value)
2528 	 */
2529 	ULONG stamp;
2530 	do { stamp = random(); } while (stamp==0);
2531 	return stamp;
2532 }
2533 
2534 
2535 static void
2536 SetInquiryData(PINQUIRYDATA inquiryData, PVDevice pVDev)
2537 {
2538 	int i;
2539 	IDENTIFY_DATA2 *pIdentify = (IDENTIFY_DATA2*)pVDev->u.disk.mv->identifyDevice;
2540 
2541 	inquiryData->DeviceType = T_DIRECT; /*DIRECT_ACCESS_DEVICE*/
2542 	inquiryData->AdditionalLength = (UCHAR)(sizeof(INQUIRYDATA) - 5);
2543 #ifndef SERIAL_CMDS
2544 	inquiryData->CommandQueue = 1;
2545 #endif
2546 
2547 	switch(pVDev->VDeviceType) {
2548 	case VD_SINGLE_DISK:
2549 	case VD_ATAPI:
2550 	case VD_REMOVABLE:
2551 		/* Set the removable bit, if applicable. */
2552 		if ((pVDev->u.disk.df_removable_drive) || (pIdentify->GeneralConfiguration & 0x80))
2553 			inquiryData->RemovableMedia = 1;
2554 
2555 		/* Fill in vendor identification fields. */
2556 		for (i = 0; i < 20; i += 2) {
2557 			inquiryData->VendorId[i] 	= ((PUCHAR)pIdentify->ModelNumber)[i + 1];
2558 			inquiryData->VendorId[i+1] 	= ((PUCHAR)pIdentify->ModelNumber)[i];
2559 
2560 		}
2561 
2562 		/* Initialize unused portion of product id. */
2563 		for (i = 0; i < 4; i++) inquiryData->ProductId[12+i] = ' ';
2564 
2565 		/* firmware revision */
2566 		for (i = 0; i < 4; i += 2)
2567 		{
2568 			inquiryData->ProductRevisionLevel[i] 	= ((PUCHAR)pIdentify->FirmwareRevision)[i+1];
2569 			inquiryData->ProductRevisionLevel[i+1] 	= ((PUCHAR)pIdentify->FirmwareRevision)[i];
2570 		}
2571 		break;
2572 	default:
2573 		memcpy(&inquiryData->VendorId, "RR18xx  ", 8);
2574 #ifdef SUPPORT_ARRAY
2575 		switch(pVDev->VDeviceType){
2576 		case VD_RAID_0:
2577 			if ((pVDev->u.array.pMember[0] && mIsArray(pVDev->u.array.pMember[0])) ||
2578 				(pVDev->u.array.pMember[1] && mIsArray(pVDev->u.array.pMember[1])))
2579 				memcpy(&inquiryData->ProductId, "RAID 1/0 Array  ", 16);
2580 			else
2581 				memcpy(&inquiryData->ProductId, "RAID 0 Array    ", 16);
2582 			break;
2583 		case VD_RAID_1:
2584 			if ((pVDev->u.array.pMember[0] && mIsArray(pVDev->u.array.pMember[0])) ||
2585 				(pVDev->u.array.pMember[1] && mIsArray(pVDev->u.array.pMember[1])))
2586 				memcpy(&inquiryData->ProductId, "RAID 0/1 Array  ", 16);
2587 			else
2588 				memcpy(&inquiryData->ProductId, "RAID 1 Array    ", 16);
2589 			break;
2590 		case VD_RAID_5:
2591 			memcpy(&inquiryData->ProductId, "RAID 5 Array    ", 16);
2592 			break;
2593 		case VD_JBOD:
2594 			memcpy(&inquiryData->ProductId, "JBOD Array      ", 16);
2595 			break;
2596 		}
2597 #endif
2598 		memcpy(&inquiryData->ProductRevisionLevel, "3.00", 4);
2599 		break;
2600 	}
2601 }
2602 
2603 static void
2604 hpt_timeout(void *arg)
2605 {
2606 	PBUS_DMAMAP pmap = (PBUS_DMAMAP)((union ccb *)arg)->ccb_adapter;
2607 	IAL_ADAPTER_T *pAdapter = pmap->pAdapter;
2608 	_VBUS_INST(&pAdapter->VBus)
2609 
2610 	mtx_assert(&pAdapter->lock, MA_OWNED);
2611 	fResetVBus(_VBUS_P0);
2612 }
2613 
2614 static void
2615 hpt_io_dmamap_callback(void *arg, bus_dma_segment_t *segs, int nsegs, int error)
2616 {
2617 	PCommand pCmd = (PCommand)arg;
2618 	union ccb *ccb = pCmd->pOrgCommand;
2619 	struct ccb_hdr *ccb_h = &ccb->ccb_h;
2620 	PBUS_DMAMAP pmap = (PBUS_DMAMAP) ccb->ccb_adapter;
2621 	IAL_ADAPTER_T *pAdapter = pmap->pAdapter;
2622 	PVDevice	pVDev = pAdapter->VBus.pVDevice[ccb_h->target_id];
2623 	FPSCAT_GATH psg = pCmd->pSgTable;
2624 	int idx;
2625 	_VBUS_INST(pVDev->pVBus)
2626 
2627 	HPT_ASSERT(pCmd->cf_physical_sg);
2628 
2629 	if (error)
2630 		panic("busdma error");
2631 
2632 	HPT_ASSERT(nsegs<= MAX_SG_DESCRIPTORS);
2633 
2634 	if (nsegs != 0) {
2635 		for (idx = 0; idx < nsegs; idx++, psg++) {
2636 			psg->dSgAddress = (ULONG_PTR)(UCHAR *)segs[idx].ds_addr;
2637 			psg->wSgSize = segs[idx].ds_len;
2638 			psg->wSgFlag = (idx == nsegs-1)? SG_FLAG_EOT: 0;
2639 	/*		KdPrint(("psg[%d]:add=%p,size=%x,flag=%x\n", idx, psg->dSgAddress,psg->wSgSize,psg->wSgFlag)); */
2640 		}
2641 		/*	psg[-1].wSgFlag = SG_FLAG_EOT; */
2642 
2643 		if (pCmd->cf_data_in) {
2644 			bus_dmamap_sync(pAdapter->io_dma_parent, pmap->dma_map,
2645 			    BUS_DMASYNC_PREREAD);
2646 		}
2647 		else if (pCmd->cf_data_out) {
2648 			bus_dmamap_sync(pAdapter->io_dma_parent, pmap->dma_map,
2649 			    BUS_DMASYNC_PREWRITE);
2650 		}
2651 	}
2652 
2653 	callout_reset(&pmap->timeout, 20 * hz, hpt_timeout, ccb);
2654 	pVDev->pfnSendCommand(_VBUS_P pCmd);
2655 	CheckPendingCall(_VBUS_P0);
2656 }
2657 
2658 
2659 
2660 static void HPTLIBAPI
2661 OsSendCommand(_VBUS_ARG union ccb *ccb)
2662 {
2663 	PBUS_DMAMAP pmap = (PBUS_DMAMAP)ccb->ccb_adapter;
2664 	IAL_ADAPTER_T *pAdapter = pmap->pAdapter;
2665 	struct ccb_hdr *ccb_h = &ccb->ccb_h;
2666 	struct ccb_scsiio *csio = &ccb->csio;
2667 	PVDevice	pVDev = pAdapter->VBus.pVDevice[ccb_h->target_id];
2668 
2669 	KdPrintI(("OsSendCommand: ccb %p  cdb %x-%x-%x\n",
2670 		ccb,
2671 		*(ULONG *)&ccb->csio.cdb_io.cdb_bytes[0],
2672 		*(ULONG *)&ccb->csio.cdb_io.cdb_bytes[4],
2673 		*(ULONG *)&ccb->csio.cdb_io.cdb_bytes[8]
2674 	));
2675 
2676 	pAdapter->outstandingCommands++;
2677 
2678 	if (pVDev == NULL || pVDev->vf_online == 0) {
2679 		ccb->ccb_h.status = CAM_REQ_INVALID;
2680 		ccb_done(ccb);
2681 		goto Command_Complished;
2682 	}
2683 
2684 	switch(ccb->csio.cdb_io.cdb_bytes[0])
2685 	{
2686 		case TEST_UNIT_READY:
2687 		case START_STOP_UNIT:
2688 		case SYNCHRONIZE_CACHE:
2689 			/* FALLTHROUGH */
2690 			ccb->ccb_h.status = CAM_REQ_CMP;
2691 			break;
2692 
2693 		case INQUIRY:
2694 			ZeroMemory(ccb->csio.data_ptr, ccb->csio.dxfer_len);
2695 			SetInquiryData((PINQUIRYDATA)ccb->csio.data_ptr, pVDev);
2696 			ccb_h->status = CAM_REQ_CMP;
2697 			break;
2698 
2699 		case READ_CAPACITY:
2700 		{
2701 			UCHAR *rbuf=csio->data_ptr;
2702 			unsigned int cap;
2703 
2704 			if (pVDev->VDeviceCapacity > 0xfffffffful) {
2705 				cap = 0xfffffffful;
2706 			} else {
2707 				cap = pVDev->VDeviceCapacity - 1;
2708 			}
2709 
2710 			rbuf[0] = (UCHAR)(cap>>24);
2711 			rbuf[1] = (UCHAR)(cap>>16);
2712 			rbuf[2] = (UCHAR)(cap>>8);
2713 			rbuf[3] = (UCHAR)cap;
2714 			/* Claim 512 byte blocks (big-endian). */
2715 			rbuf[4] = 0;
2716 			rbuf[5] = 0;
2717 			rbuf[6] = 2;
2718 			rbuf[7] = 0;
2719 
2720 			ccb_h->status = CAM_REQ_CMP;
2721 			break;
2722 		}
2723 
2724 		case 0x9e: /*SERVICE_ACTION_IN*/
2725 		{
2726 			UCHAR *rbuf = csio->data_ptr;
2727 			LBA_T cap = pVDev->VDeviceCapacity - 1;
2728 
2729 			rbuf[0] = (UCHAR)(cap>>56);
2730 			rbuf[1] = (UCHAR)(cap>>48);
2731 			rbuf[2] = (UCHAR)(cap>>40);
2732 			rbuf[3] = (UCHAR)(cap>>32);
2733 			rbuf[4] = (UCHAR)(cap>>24);
2734 			rbuf[5] = (UCHAR)(cap>>16);
2735 			rbuf[6] = (UCHAR)(cap>>8);
2736 			rbuf[7] = (UCHAR)cap;
2737 			rbuf[8] = 0;
2738 			rbuf[9] = 0;
2739 			rbuf[10] = 2;
2740 			rbuf[11] = 0;
2741 
2742 			ccb_h->status = CAM_REQ_CMP;
2743 			break;
2744 		}
2745 
2746 		case READ_6:
2747 		case WRITE_6:
2748 		case READ_10:
2749 		case WRITE_10:
2750 		case 0x88: /* READ_16 */
2751 		case 0x8a: /* WRITE_16 */
2752 		case 0x13:
2753 		case 0x2f:
2754 		{
2755 			UCHAR Cdb[16];
2756 			UCHAR CdbLength;
2757 			_VBUS_INST(pVDev->pVBus)
2758 			PCommand pCmd = AllocateCommand(_VBUS_P0);
2759 			int error;
2760 			HPT_ASSERT(pCmd);
2761 
2762 			CdbLength = csio->cdb_len;
2763 			if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0)
2764 			{
2765 				if ((ccb->ccb_h.flags & CAM_CDB_PHYS) == 0)
2766 				{
2767 					bcopy(csio->cdb_io.cdb_ptr, Cdb, CdbLength);
2768 				}
2769 				else
2770 				{
2771 					KdPrintE(("ERROR!!!\n"));
2772 					ccb->ccb_h.status = CAM_REQ_INVALID;
2773 					break;
2774 				}
2775 			}
2776 			else
2777 			{
2778 				bcopy(csio->cdb_io.cdb_bytes, Cdb, CdbLength);
2779 			}
2780 
2781 			pCmd->pOrgCommand = ccb;
2782 			pCmd->pVDevice = pVDev;
2783 			pCmd->pfnCompletion = fOsCommandDone;
2784 			pCmd->pfnBuildSgl = fOsBuildSgl;
2785 			pCmd->pSgTable = pmap->psg;
2786 
2787 			switch (Cdb[0])
2788 			{
2789 				case READ_6:
2790 				case WRITE_6:
2791 				case 0x13:
2792 					pCmd->uCmd.Ide.Lba =  ((ULONG)Cdb[1] << 16) | ((ULONG)Cdb[2] << 8) | (ULONG)Cdb[3];
2793 					pCmd->uCmd.Ide.nSectors = (USHORT) Cdb[4];
2794 					break;
2795 
2796 				case 0x88: /* READ_16 */
2797 				case 0x8a: /* WRITE_16 */
2798 					pCmd->uCmd.Ide.Lba =
2799 						(HPT_U64)Cdb[2] << 56 |
2800 						(HPT_U64)Cdb[3] << 48 |
2801 						(HPT_U64)Cdb[4] << 40 |
2802 						(HPT_U64)Cdb[5] << 32 |
2803 						(HPT_U64)Cdb[6] << 24 |
2804 						(HPT_U64)Cdb[7] << 16 |
2805 						(HPT_U64)Cdb[8] << 8 |
2806 						(HPT_U64)Cdb[9];
2807 					pCmd->uCmd.Ide.nSectors = (USHORT)Cdb[12] << 8 | (USHORT)Cdb[13];
2808 					break;
2809 
2810 				default:
2811 					pCmd->uCmd.Ide.Lba = (ULONG)Cdb[5] | ((ULONG)Cdb[4] << 8) | ((ULONG)Cdb[3] << 16) | ((ULONG)Cdb[2] << 24);
2812 					pCmd->uCmd.Ide.nSectors = (USHORT) Cdb[8] | ((USHORT)Cdb[7]<<8);
2813 					break;
2814 			}
2815 
2816 			switch (Cdb[0])
2817 			{
2818 				case READ_6:
2819 				case READ_10:
2820 				case 0x88: /* READ_16 */
2821 					pCmd->uCmd.Ide.Command = IDE_COMMAND_READ;
2822 					pCmd->cf_data_in = 1;
2823 					break;
2824 
2825 				case WRITE_6:
2826 				case WRITE_10:
2827 				case 0x8a: /* WRITE_16 */
2828 					pCmd->uCmd.Ide.Command = IDE_COMMAND_WRITE;
2829 					pCmd->cf_data_out = 1;
2830 					break;
2831 				case 0x13:
2832 				case 0x2f:
2833 					pCmd->uCmd.Ide.Command = IDE_COMMAND_VERIFY;
2834 					break;
2835 			}
2836 /*///////////////////////// */
2837 			pCmd->cf_physical_sg = 1;
2838 			error = bus_dmamap_load_ccb(pAdapter->io_dma_parent,
2839 						    pmap->dma_map,
2840 						    ccb,
2841 						    hpt_io_dmamap_callback,
2842 						    pCmd, BUS_DMA_WAITOK
2843 						    );
2844 			KdPrint(("bus_dmamap_load return %d\n", error));
2845 			if (error && error!=EINPROGRESS) {
2846 				hpt_printk(("bus_dmamap_load error %d\n", error));
2847 				FreeCommand(_VBUS_P pCmd);
2848 				ccb->ccb_h.status = CAM_REQ_CMP_ERR;
2849 				dmamap_put(pmap);
2850 				pAdapter->outstandingCommands--;
2851 				if (pAdapter->outstandingCommands == 0)
2852 					wakeup(pAdapter);
2853 				xpt_done(ccb);
2854 			}
2855 			goto Command_Complished;
2856 		}
2857 
2858 		default:
2859 			ccb->ccb_h.status = CAM_REQ_INVALID;
2860 			break;
2861 	}
2862 	ccb_done(ccb);
2863 Command_Complished:
2864 	CheckPendingCall(_VBUS_P0);
2865 	return;
2866 }
2867 
2868 static void HPTLIBAPI
2869 fOsCommandDone(_VBUS_ARG PCommand pCmd)
2870 {
2871 	union ccb *ccb = pCmd->pOrgCommand;
2872 	PBUS_DMAMAP pmap = (PBUS_DMAMAP)ccb->ccb_adapter;
2873 	IAL_ADAPTER_T *pAdapter = pmap->pAdapter;
2874 
2875 	KdPrint(("fOsCommandDone(pcmd=%p, result=%d)\n", pCmd, pCmd->Result));
2876 
2877 	callout_stop(&pmap->timeout);
2878 
2879 	switch(pCmd->Result) {
2880 	case RETURN_SUCCESS:
2881 		ccb->ccb_h.status = CAM_REQ_CMP;
2882 		break;
2883 	case RETURN_BAD_DEVICE:
2884 		ccb->ccb_h.status = CAM_DEV_NOT_THERE;
2885 		break;
2886 	case RETURN_DEVICE_BUSY:
2887 		ccb->ccb_h.status = CAM_BUSY;
2888 		break;
2889 	case RETURN_INVALID_REQUEST:
2890 		ccb->ccb_h.status = CAM_REQ_INVALID;
2891 		break;
2892 	case RETURN_SELECTION_TIMEOUT:
2893 		ccb->ccb_h.status = CAM_SEL_TIMEOUT;
2894 		break;
2895 	case RETURN_RETRY:
2896 		ccb->ccb_h.status = CAM_BUSY;
2897 		break;
2898 	default:
2899 		ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR;
2900 		break;
2901 	}
2902 
2903 	if (pCmd->cf_data_in) {
2904 		bus_dmamap_sync(pAdapter->io_dma_parent, pmap->dma_map, BUS_DMASYNC_POSTREAD);
2905 	}
2906 	else if (pCmd->cf_data_out) {
2907 		bus_dmamap_sync(pAdapter->io_dma_parent, pmap->dma_map, BUS_DMASYNC_POSTWRITE);
2908 	}
2909 
2910 	bus_dmamap_unload(pAdapter->io_dma_parent, pmap->dma_map);
2911 
2912 	FreeCommand(_VBUS_P pCmd);
2913 	ccb_done(ccb);
2914 }
2915 
2916 int
2917 hpt_queue_dpc(HPT_DPC dpc, IAL_ADAPTER_T * pAdapter, void *arg, UCHAR flags)
2918 {
2919 	int p;
2920 
2921 	mtx_lock(&DpcQueue_Lock);
2922 	p = (DpcQueue_Last + 1) % MAX_DPC;
2923 	if (p==DpcQueue_First) {
2924 		KdPrint(("DPC Queue full!\n"));
2925 		mtx_unlock(&DpcQueue_Lock);
2926 		return -1;
2927 	}
2928 
2929 	DpcQueue[DpcQueue_Last].dpc = dpc;
2930 	DpcQueue[DpcQueue_Last].pAdapter = pAdapter;
2931 	DpcQueue[DpcQueue_Last].arg = arg;
2932 	DpcQueue[DpcQueue_Last].flags = flags;
2933 	DpcQueue_Last = p;
2934 	mtx_unlock(&DpcQueue_Lock);
2935 
2936 	return 0;
2937 }
2938 
2939 #ifdef _RAID5N_
2940 /*
2941  * Allocate memory above 16M, otherwise we may eat all low memory for ISA devices.
2942  * How about the memory for 5081 request/response array and PRD table?
2943  */
2944 void
2945 *os_alloc_page(_VBUS_ARG0)
2946 {
2947 	return (void *)contigmalloc(0x1000, M_DEVBUF, M_NOWAIT, 0x1000000, 0xffffffff, PAGE_SIZE, 0ul);
2948 }
2949 
2950 void
2951 *os_alloc_dma_page(_VBUS_ARG0)
2952 {
2953 	return (void *)contigmalloc(0x1000, M_DEVBUF, M_NOWAIT, 0x1000000, 0xffffffff, PAGE_SIZE, 0ul);
2954 }
2955 
2956 void
2957 os_free_page(_VBUS_ARG void *p)
2958 {
2959 	contigfree(p, 0x1000, M_DEVBUF);
2960 }
2961 
2962 void
2963 os_free_dma_page(_VBUS_ARG void *p)
2964 {
2965 	contigfree(p, 0x1000, M_DEVBUF);
2966 }
2967 
2968 void
2969 DoXor1(ULONG *p0, ULONG *p1, ULONG *p2, UINT nBytes)
2970 {
2971 	UINT i;
2972 	for (i = 0; i < nBytes / 4; i++) *p0++ = *p1++ ^ *p2++;
2973 }
2974 
2975 void
2976 DoXor2(ULONG *p0, ULONG *p2, UINT nBytes)
2977 {
2978 	UINT i;
2979 	for (i = 0; i < nBytes / 4; i++) *p0++ ^= *p2++;
2980 }
2981 #endif
2982