hptnr_osm_bsd.c revision 315813
1/* $Id: osm_bsd.c,v 1.36 2010/05/11 03:12:11 lcn Exp $ */
2/*-
3 * HighPoint RAID Driver for FreeBSD
4 * Copyright (C) 2005-2011 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 * $FreeBSD: stable/10/sys/dev/hptnr/hptnr_osm_bsd.c 315813 2017-03-23 06:41:13Z mav $
29 */
30#include <dev/hptnr/hptnr_config.h>
31#include <dev/hptnr/os_bsd.h>
32#include <dev/hptnr/hptintf.h>
33int msi = 0;
34int debug_flag = 0;
35static HIM *hpt_match(device_t dev)
36{
37	PCI_ID pci_id;
38	HIM *him;
39	int i;
40
41	for (him = him_list; him; him = him->next) {
42		for (i=0; him->get_supported_device_id(i, &pci_id); i++) {
43			if (him->get_controller_count)
44				him->get_controller_count(&pci_id,0,0);
45			if ((pci_get_vendor(dev) == pci_id.vid) &&
46				(pci_get_device(dev) == pci_id.did)){
47				return (him);
48			}
49		}
50	}
51
52	return (NULL);
53}
54
55static int hpt_probe(device_t dev)
56{
57	HIM *him;
58
59	him = hpt_match(dev);
60	if (him != NULL) {
61		KdPrint(("hpt_probe: adapter at PCI %d:%d:%d, IRQ %d",
62			pci_get_bus(dev), pci_get_slot(dev), pci_get_function(dev), pci_get_irq(dev)
63			));
64		device_set_desc(dev, him->name);
65		return (BUS_PROBE_DEFAULT);
66	}
67
68	return (ENXIO);
69}
70
71static int hpt_attach(device_t dev)
72{
73	PHBA hba = (PHBA)device_get_softc(dev);
74	HIM *him;
75	PCI_ID pci_id;
76	HPT_UINT size;
77	PVBUS vbus;
78	PVBUS_EXT vbus_ext;
79
80	KdPrint(("hpt_attach(%d/%d/%d)", pci_get_bus(dev), pci_get_slot(dev), pci_get_function(dev)));
81
82	him = hpt_match(dev);
83	hba->ext_type = EXT_TYPE_HBA;
84	hba->ldm_adapter.him = him;
85
86	pci_enable_busmaster(dev);
87
88	pci_id.vid = pci_get_vendor(dev);
89	pci_id.did = pci_get_device(dev);
90	pci_id.rev = pci_get_revid(dev);
91	pci_id.subsys = (HPT_U32)(pci_get_subdevice(dev)) << 16 | pci_get_subvendor(dev);
92
93	size = him->get_adapter_size(&pci_id);
94	hba->ldm_adapter.him_handle = malloc(size, M_DEVBUF, M_WAITOK);
95
96	hba->pcidev = dev;
97	hba->pciaddr.tree = 0;
98	hba->pciaddr.bus = pci_get_bus(dev);
99	hba->pciaddr.device = pci_get_slot(dev);
100	hba->pciaddr.function = pci_get_function(dev);
101
102	if (!him->create_adapter(&pci_id, hba->pciaddr, hba->ldm_adapter.him_handle, hba)) {
103		free(hba->ldm_adapter.him_handle, M_DEVBUF);
104		return ENXIO;
105	}
106
107	os_printk("adapter at PCI %d:%d:%d, IRQ %d",
108		hba->pciaddr.bus, hba->pciaddr.device, hba->pciaddr.function, pci_get_irq(dev));
109
110	if (!ldm_register_adapter(&hba->ldm_adapter)) {
111		size = ldm_get_vbus_size();
112		vbus_ext = malloc(sizeof(VBUS_EXT) + size, M_DEVBUF, M_WAITOK |
113			M_ZERO);
114		vbus_ext->ext_type = EXT_TYPE_VBUS;
115		ldm_create_vbus((PVBUS)vbus_ext->vbus, vbus_ext);
116		ldm_register_adapter(&hba->ldm_adapter);
117	}
118
119	ldm_for_each_vbus(vbus, vbus_ext) {
120		if (hba->ldm_adapter.vbus==vbus) {
121			hba->vbus_ext = vbus_ext;
122			hba->next = vbus_ext->hba_list;
123			vbus_ext->hba_list = hba;
124			break;
125		}
126	}
127	return 0;
128}
129
130/*
131 * Maybe we'd better to use the bus_dmamem_alloc to alloc DMA memory,
132 * but there are some problems currently (alignment, etc).
133 */
134static __inline void *__get_free_pages(int order)
135{
136	/* don't use low memory - other devices may get starved */
137	return contigmalloc(PAGE_SIZE<<order,
138			M_DEVBUF, M_WAITOK, BUS_SPACE_MAXADDR_24BIT, BUS_SPACE_MAXADDR, PAGE_SIZE, 0);
139}
140
141static __inline void free_pages(void *p, int order)
142{
143	contigfree(p, PAGE_SIZE<<order, M_DEVBUF);
144}
145
146static int hpt_alloc_mem(PVBUS_EXT vbus_ext)
147{
148	PHBA hba;
149	struct freelist *f;
150	HPT_UINT i;
151	void **p;
152
153	for (hba = vbus_ext->hba_list; hba; hba = hba->next)
154		hba->ldm_adapter.him->get_meminfo(hba->ldm_adapter.him_handle);
155
156	ldm_get_mem_info((PVBUS)vbus_ext->vbus, 0);
157
158	for (f=vbus_ext->freelist_head; f; f=f->next) {
159		KdPrint(("%s: %d*%d=%d bytes",
160			f->tag, f->count, f->size, f->count*f->size));
161		for (i=0; i<f->count; i++) {
162			p = (void **)malloc(f->size, M_DEVBUF, M_WAITOK);
163			if (!p)	return (ENXIO);
164			*p = f->head;
165			f->head = p;
166		}
167	}
168
169	for (f=vbus_ext->freelist_dma_head; f; f=f->next) {
170		int order, size, j;
171
172		HPT_ASSERT((f->size & (f->alignment-1))==0);
173
174		for (order=0, size=PAGE_SIZE; size<f->size; order++, size<<=1)
175			;
176
177		KdPrint(("%s: %d*%d=%d bytes, order %d",
178			f->tag, f->count, f->size, f->count*f->size, order));
179		HPT_ASSERT(f->alignment<=PAGE_SIZE);
180
181		for (i=0; i<f->count;) {
182			p = (void **)__get_free_pages(order);
183			if (!p) return -1;
184			for (j = size/f->size; j && i<f->count; i++,j--) {
185				*p = f->head;
186				*(BUS_ADDRESS *)(p+1) = (BUS_ADDRESS)vtophys(p);
187				f->head = p;
188				p = (void **)((unsigned long)p + f->size);
189			}
190		}
191	}
192
193	HPT_ASSERT(PAGE_SIZE==DMAPOOL_PAGE_SIZE);
194
195	for (i=0; i<os_max_cache_pages; i++) {
196		p = (void **)__get_free_pages(0);
197		if (!p) return -1;
198		HPT_ASSERT(((HPT_UPTR)p & (DMAPOOL_PAGE_SIZE-1))==0);
199		dmapool_put_page((PVBUS)vbus_ext->vbus, p, (BUS_ADDRESS)vtophys(p));
200	}
201
202	return 0;
203}
204
205static void hpt_free_mem(PVBUS_EXT vbus_ext)
206{
207	struct freelist *f;
208	void *p;
209	int i;
210	BUS_ADDRESS bus;
211
212	for (f=vbus_ext->freelist_head; f; f=f->next) {
213#if DBG
214		if (f->count!=f->reserved_count) {
215			KdPrint(("memory leak for freelist %s (%d/%d)", f->tag, f->count, f->reserved_count));
216		}
217#endif
218		while ((p=freelist_get(f)))
219			free(p, M_DEVBUF);
220	}
221
222	for (i=0; i<os_max_cache_pages; i++) {
223		p = dmapool_get_page((PVBUS)vbus_ext->vbus, &bus);
224		HPT_ASSERT(p);
225		free_pages(p, 0);
226	}
227
228	for (f=vbus_ext->freelist_dma_head; f; f=f->next) {
229		int order, size;
230#if DBG
231		if (f->count!=f->reserved_count) {
232			KdPrint(("memory leak for dma freelist %s (%d/%d)", f->tag, f->count, f->reserved_count));
233		}
234#endif
235		for (order=0, size=PAGE_SIZE; size<f->size; order++, size<<=1) ;
236
237		while ((p=freelist_get_dma(f, &bus))) {
238			if (order)
239				free_pages(p, order);
240			else {
241			/* can't free immediately since other blocks in this page may still be in the list */
242				if (((HPT_UPTR)p & (PAGE_SIZE-1))==0)
243					dmapool_put_page((PVBUS)vbus_ext->vbus, p, bus);
244			}
245		}
246	}
247
248	while ((p = dmapool_get_page((PVBUS)vbus_ext->vbus, &bus)))
249		free_pages(p, 0);
250}
251
252static int hpt_init_vbus(PVBUS_EXT vbus_ext)
253{
254	PHBA hba;
255
256	for (hba = vbus_ext->hba_list; hba; hba = hba->next)
257		if (!hba->ldm_adapter.him->initialize(hba->ldm_adapter.him_handle)) {
258			KdPrint(("fail to initialize %p", hba));
259			return -1;
260		}
261
262	ldm_initialize_vbus((PVBUS)vbus_ext->vbus, &vbus_ext->hba_list->ldm_adapter);
263	return 0;
264}
265
266static void hpt_flush_done(PCOMMAND pCmd)
267{
268	PVDEV vd = pCmd->target;
269
270	if (mIsArray(vd->type) && vd->u.array.transform && vd!=vd->u.array.transform->target) {
271		vd = vd->u.array.transform->target;
272		HPT_ASSERT(vd);
273		pCmd->target = vd;
274		pCmd->Result = RETURN_PENDING;
275		vdev_queue_cmd(pCmd);
276		return;
277	}
278
279	*(int *)pCmd->priv = 1;
280	wakeup(pCmd);
281}
282
283/*
284 * flush a vdev (without retry).
285 */
286static int hpt_flush_vdev(PVBUS_EXT vbus_ext, PVDEV vd)
287{
288	PCOMMAND pCmd;
289	int result = 0, done;
290	HPT_UINT count;
291
292	KdPrint(("flusing dev %p", vd));
293
294	hpt_assert_vbus_locked(vbus_ext);
295
296	if (mIsArray(vd->type) && vd->u.array.transform)
297		count = max(vd->u.array.transform->source->cmds_per_request,
298					vd->u.array.transform->target->cmds_per_request);
299	else
300		count = vd->cmds_per_request;
301
302	pCmd = ldm_alloc_cmds(vd->vbus, count);
303
304	if (!pCmd) {
305		return -1;
306	}
307
308	pCmd->type = CMD_TYPE_FLUSH;
309	pCmd->flags.hard_flush = 1;
310	pCmd->target = vd;
311	pCmd->done = hpt_flush_done;
312	done = 0;
313	pCmd->priv = &done;
314
315	ldm_queue_cmd(pCmd);
316
317	if (!done) {
318		while (hpt_sleep(vbus_ext, pCmd, PPAUSE, "hptfls", HPT_OSM_TIMEOUT)) {
319			ldm_reset_vbus(vd->vbus);
320		}
321	}
322
323	KdPrint(("flush result %d", pCmd->Result));
324
325	if (pCmd->Result!=RETURN_SUCCESS)
326		result = -1;
327
328	ldm_free_cmds(pCmd);
329
330	return result;
331}
332
333static void hpt_stop_tasks(PVBUS_EXT vbus_ext);
334static void hpt_shutdown_vbus(PVBUS_EXT vbus_ext, int howto)
335{
336	PVBUS     vbus = (PVBUS)vbus_ext->vbus;
337	PHBA hba;
338	int i;
339
340	KdPrint(("hpt_shutdown_vbus"));
341
342	/* stop all ctl tasks and disable the worker taskqueue */
343	hpt_stop_tasks(vbus_ext);
344	hpt_lock_vbus(vbus_ext);
345	vbus_ext->worker.ta_context = 0;
346
347	/* flush devices */
348	for (i=0; i<osm_max_targets; i++) {
349		PVDEV vd = ldm_find_target(vbus, i);
350		if (vd) {
351			/* retry once */
352			if (hpt_flush_vdev(vbus_ext, vd))
353				hpt_flush_vdev(vbus_ext, vd);
354		}
355	}
356
357	ldm_shutdown(vbus);
358	hpt_unlock_vbus(vbus_ext);
359
360	ldm_release_vbus(vbus);
361
362	for (hba=vbus_ext->hba_list; hba; hba=hba->next)
363		bus_teardown_intr(hba->pcidev, hba->irq_res, hba->irq_handle);
364
365	hpt_free_mem(vbus_ext);
366
367	while ((hba=vbus_ext->hba_list)) {
368		vbus_ext->hba_list = hba->next;
369		free(hba->ldm_adapter.him_handle, M_DEVBUF);
370	}
371
372	callout_drain(&vbus_ext->timer);
373	mtx_destroy(&vbus_ext->lock);
374	free(vbus_ext, M_DEVBUF);
375	KdPrint(("hpt_shutdown_vbus done"));
376}
377
378static void __hpt_do_tasks(PVBUS_EXT vbus_ext)
379{
380	OSM_TASK *tasks;
381
382	tasks = vbus_ext->tasks;
383	vbus_ext->tasks = 0;
384
385	while (tasks) {
386		OSM_TASK *t = tasks;
387		tasks = t->next;
388		t->next = 0;
389		t->func(vbus_ext->vbus, t->data);
390	}
391}
392
393static void hpt_do_tasks(PVBUS_EXT vbus_ext, int pending)
394{
395	if(vbus_ext){
396		hpt_lock_vbus(vbus_ext);
397		__hpt_do_tasks(vbus_ext);
398		hpt_unlock_vbus(vbus_ext);
399	}
400}
401
402static void hpt_action(struct cam_sim *sim, union ccb *ccb);
403static void hpt_poll(struct cam_sim *sim);
404static void hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path, void * arg);
405static void hpt_pci_intr(void *arg);
406
407static __inline POS_CMDEXT cmdext_get(PVBUS_EXT vbus_ext)
408{
409	POS_CMDEXT p = vbus_ext->cmdext_list;
410	if (p)
411		vbus_ext->cmdext_list = p->next;
412	return p;
413}
414
415static __inline void cmdext_put(POS_CMDEXT p)
416{
417	p->next = p->vbus_ext->cmdext_list;
418	p->vbus_ext->cmdext_list = p;
419}
420
421static void hpt_timeout(void *arg)
422{
423	PCOMMAND pCmd = (PCOMMAND)arg;
424	POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
425
426	KdPrint(("pCmd %p timeout", pCmd));
427
428	ldm_reset_vbus((PVBUS)ext->vbus_ext->vbus);
429}
430
431static void os_cmddone(PCOMMAND pCmd)
432{
433	POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
434	union ccb *ccb = ext->ccb;
435	HPT_U8 *cdb;
436
437	if (ccb->ccb_h.flags & CAM_CDB_POINTER)
438		cdb = ccb->csio.cdb_io.cdb_ptr;
439	else
440		cdb = ccb->csio.cdb_io.cdb_bytes;
441
442	KdPrint(("os_cmddone(%p, %d)", pCmd, pCmd->Result));
443
444	callout_stop(&ext->timeout);
445	switch(cdb[0]) {
446		case 0x85: /*ATA_16*/
447		case 0xA1: /*ATA_12*/
448		{
449			PassthroughCmd *passthru = &pCmd->uCmd.Passthrough;
450			HPT_U8 *sense_buffer = (HPT_U8 *)&ccb->csio.sense_data;
451			memset(&ccb->csio.sense_data, 0,sizeof(ccb->csio.sense_data));
452
453			sense_buffer[0] = 0x72; /* Response Code */
454			sense_buffer[7] = 14; /* Additional Sense Length */
455
456			sense_buffer[8] = 0x9; /* ATA Return Descriptor */
457			sense_buffer[9] = 0xc; /* Additional Descriptor Length */
458			sense_buffer[11] = (HPT_U8)passthru->bFeaturesReg; /* Error */
459			sense_buffer[13] = (HPT_U8)passthru->bSectorCountReg;  /* Sector Count (7:0) */
460			sense_buffer[15] = (HPT_U8)passthru->bLbaLowReg; /* LBA Low (7:0) */
461			sense_buffer[17] = (HPT_U8)passthru->bLbaMidReg; /* LBA Mid (7:0) */
462			sense_buffer[19] = (HPT_U8)passthru->bLbaHighReg; /* LBA High (7:0) */
463
464			if ((cdb[0] == 0x85) && (cdb[1] & 0x1))
465			{
466				sense_buffer[10] = 1;
467				sense_buffer[12] = (HPT_U8)(passthru->bSectorCountReg >> 8); /* Sector Count (15:8) */
468				sense_buffer[14] = (HPT_U8)(passthru->bLbaLowReg >> 8);	/* LBA Low (15:8) */
469				sense_buffer[16] = (HPT_U8)(passthru->bLbaMidReg >> 8); /* LBA Mid (15:8) */
470				sense_buffer[18] = (HPT_U8)(passthru->bLbaHighReg >> 8); /* LBA High (15:8) */
471			}
472
473			sense_buffer[20] = (HPT_U8)passthru->bDriveHeadReg; /* Device */
474			sense_buffer[21] = (HPT_U8)passthru->bCommandReg; /* Status */
475			KdPrint(("sts 0x%x err 0x%x low 0x%x mid 0x%x hig 0x%x dh 0x%x sc 0x%x",
476					 passthru->bCommandReg,
477					 passthru->bFeaturesReg,
478					 passthru->bLbaLowReg,
479					 passthru->bLbaMidReg,
480					 passthru->bLbaHighReg,
481					 passthru->bDriveHeadReg,
482					 passthru->bSectorCountReg));
483			KdPrint(("result:0x%x,bFeaturesReg:0x%04x,bSectorCountReg:0x%04x,LBA:0x%04x%04x%04x ",
484				pCmd->Result,passthru->bFeaturesReg,passthru->bSectorCountReg,
485				passthru->bLbaHighReg,passthru->bLbaMidReg,passthru->bLbaLowReg));
486		}
487		default:
488			break;
489	}
490
491	switch(pCmd->Result) {
492	case RETURN_SUCCESS:
493		ccb->ccb_h.status = CAM_REQ_CMP;
494		break;
495	case RETURN_BAD_DEVICE:
496		ccb->ccb_h.status = CAM_DEV_NOT_THERE;
497		break;
498	case RETURN_DEVICE_BUSY:
499		ccb->ccb_h.status = CAM_BUSY;
500		break;
501	case RETURN_INVALID_REQUEST:
502		ccb->ccb_h.status = CAM_REQ_INVALID;
503		break;
504	case RETURN_SELECTION_TIMEOUT:
505		ccb->ccb_h.status = CAM_SEL_TIMEOUT;
506		break;
507	case RETURN_RETRY:
508		ccb->ccb_h.status = CAM_BUSY;
509		break;
510	default:
511		ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR;
512		break;
513	}
514
515	if (pCmd->flags.data_in) {
516		bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_POSTREAD);
517	}
518	else if (pCmd->flags.data_out) {
519		bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_POSTWRITE);
520	}
521
522	bus_dmamap_unload(ext->vbus_ext->io_dmat, ext->dma_map);
523
524	cmdext_put(ext);
525	ldm_free_cmds(pCmd);
526	xpt_done(ccb);
527}
528
529static int os_buildsgl(PCOMMAND pCmd, PSG pSg, int logical)
530{
531	/* since we have provided physical sg, nobody will ask us to build physical sg */
532	HPT_ASSERT(0);
533	return FALSE;
534}
535
536static void hpt_io_dmamap_callback(void *arg, bus_dma_segment_t *segs, int nsegs, int error)
537{
538	PCOMMAND pCmd = (PCOMMAND)arg;
539	POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
540	PSG psg = pCmd->psg;
541	int idx;
542
543	HPT_ASSERT(pCmd->flags.physical_sg);
544
545	if (error)
546		panic("busdma error");
547
548	HPT_ASSERT(nsegs<=os_max_sg_descriptors);
549
550	if (nsegs != 0) {
551		for (idx = 0; idx < nsegs; idx++, psg++) {
552			psg->addr.bus = segs[idx].ds_addr;
553			psg->size = segs[idx].ds_len;
554			psg->eot = 0;
555		}
556		psg[-1].eot = 1;
557
558		if (pCmd->flags.data_in) {
559			bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map,
560			    BUS_DMASYNC_PREREAD);
561		}
562		else if (pCmd->flags.data_out) {
563			bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map,
564			    BUS_DMASYNC_PREWRITE);
565		}
566	}
567
568	callout_reset(&ext->timeout, HPT_OSM_TIMEOUT, hpt_timeout, pCmd);
569	ldm_queue_cmd(pCmd);
570}
571
572static void hpt_scsi_io(PVBUS_EXT vbus_ext, union ccb *ccb)
573{
574	PVBUS vbus = (PVBUS)vbus_ext->vbus;
575	PVDEV vd;
576	PCOMMAND pCmd;
577	POS_CMDEXT ext;
578	HPT_U8 *cdb;
579
580	if (ccb->ccb_h.flags & CAM_CDB_POINTER)
581		cdb = ccb->csio.cdb_io.cdb_ptr;
582	else
583		cdb = ccb->csio.cdb_io.cdb_bytes;
584
585	KdPrint(("hpt_scsi_io: ccb %x id %d lun %d cdb %x-%x-%x",
586		ccb,
587		ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
588		*(HPT_U32 *)&cdb[0], *(HPT_U32 *)&cdb[4], *(HPT_U32 *)&cdb[8]
589	));
590
591	/* ccb->ccb_h.path_id is not our bus id - don't check it */
592	if (ccb->ccb_h.target_lun != 0 ||
593		ccb->ccb_h.target_id >= osm_max_targets ||
594		(ccb->ccb_h.flags & CAM_CDB_PHYS))
595	{
596		ccb->ccb_h.status = CAM_TID_INVALID;
597		xpt_done(ccb);
598		return;
599	}
600
601	vd = ldm_find_target(vbus, ccb->ccb_h.target_id);
602
603	if (!vd) {
604		ccb->ccb_h.status = CAM_SEL_TIMEOUT;
605		xpt_done(ccb);
606		return;
607	}
608
609	switch (cdb[0]) {
610	case TEST_UNIT_READY:
611	case START_STOP_UNIT:
612	case SYNCHRONIZE_CACHE:
613		ccb->ccb_h.status = CAM_REQ_CMP;
614		break;
615
616	case 0x85: /*ATA_16*/
617	case 0xA1: /*ATA_12*/
618	{
619		int error;
620		HPT_U8 prot;
621		PassthroughCmd *passthru;
622
623		if (mIsArray(vd->type)) {
624			ccb->ccb_h.status = CAM_REQ_INVALID;
625			break;
626		}
627
628		HPT_ASSERT(vd->type == VD_RAW && vd->u.raw.legacy_disk);
629
630		prot = (cdb[1] & 0x1e) >> 1;
631
632
633		if (prot < 3 || prot > 5)
634		{
635			ccb->ccb_h.status = CAM_REQ_INVALID;
636			break;
637		}
638
639		pCmd = ldm_alloc_cmds(vbus, vd->cmds_per_request);
640		if (!pCmd) {
641			HPT_ASSERT(0);
642			ccb->ccb_h.status = CAM_BUSY;
643			break;
644		}
645
646		passthru = &pCmd->uCmd.Passthrough;
647		if (cdb[0] == 0x85/*ATA_16*/) {
648			if (cdb[1] & 0x1) {
649				passthru->bFeaturesReg =
650					((HPT_U16)cdb[3] << 8)
651						| cdb[4];
652				passthru->bSectorCountReg =
653					((HPT_U16)cdb[5] << 8) |
654						cdb[6];
655				passthru->bLbaLowReg =
656					((HPT_U16)cdb[7] << 8) |
657						cdb[8];
658				passthru->bLbaMidReg =
659					((HPT_U16)cdb[9] << 8) |
660						cdb[10];
661				passthru->bLbaHighReg =
662					((HPT_U16)cdb[11] << 8) |
663						cdb[12];
664			} else {
665				passthru->bFeaturesReg = cdb[4];
666				passthru->bSectorCountReg = cdb[6];
667				passthru->bLbaLowReg = cdb[8];
668				passthru->bLbaMidReg = cdb[10];
669				passthru->bLbaHighReg = cdb[12];
670			}
671			passthru->bDriveHeadReg = cdb[13];
672			passthru->bCommandReg = cdb[14];
673
674		} else { /*ATA_12*/
675
676			passthru->bFeaturesReg = cdb[3];
677			passthru->bSectorCountReg = cdb[4];
678			passthru->bLbaLowReg = cdb[5];
679			passthru->bLbaMidReg = cdb[6];
680			passthru->bLbaHighReg = cdb[7];
681			passthru->bDriveHeadReg = cdb[8];
682			passthru->bCommandReg = cdb[9];
683		}
684
685		if (cdb[1] & 0xe0) {
686
687
688			if (!(passthru->bCommandReg == ATA_CMD_READ_MULTI ||
689				passthru->bCommandReg == ATA_CMD_READ_MULTI_EXT ||
690				passthru->bCommandReg == ATA_CMD_WRITE_MULTI ||
691				passthru->bCommandReg == ATA_CMD_WRITE_MULTI_EXT ||
692				passthru->bCommandReg == ATA_CMD_WRITE_MULTI_FUA_EXT)
693				) {
694				goto error;
695			}
696		}
697
698
699		if (passthru->bFeaturesReg == ATA_SET_FEATURES_XFER &&
700			passthru->bCommandReg == ATA_CMD_SET_FEATURES) {
701			goto error;
702		}
703
704
705		passthru->nSectors = ccb->csio.dxfer_len/ATA_SECTOR_SIZE;
706		switch (prot) {
707			default: /*None data*/
708				break;
709			case 4: /*PIO data in, T_DIR=1 match check*/
710				if ((cdb[2] & 3) &&
711					(cdb[2] & 0x8) == 0)
712				{
713					OsPrint(("PIO data in, T_DIR=1 match check"));
714					goto error;
715				}
716				pCmd->flags.data_in = 1;
717						break;
718			case 5: /*PIO data out, T_DIR=0 match check*/
719				if ((cdb[2] & 3) &&
720					(cdb[2] & 0x8))
721				{
722					OsPrint(("PIO data out, T_DIR=0 match check"));
723					goto error;
724				}
725
726				pCmd->flags.data_out = 1;
727				break;
728		}
729		pCmd->type = CMD_TYPE_PASSTHROUGH;
730		pCmd->priv = ext = cmdext_get(vbus_ext);
731		HPT_ASSERT(ext);
732		ext->ccb = ccb;
733		pCmd->target = vd;
734		pCmd->done = os_cmddone;
735		pCmd->buildsgl = os_buildsgl;
736		pCmd->psg = ext->psg;
737
738		if(!ccb->csio.dxfer_len)
739		{
740			ldm_queue_cmd(pCmd);
741			return;
742		}
743		pCmd->flags.physical_sg = 1;
744		error = bus_dmamap_load_ccb(vbus_ext->io_dmat,
745					ext->dma_map, ccb,
746					hpt_io_dmamap_callback, pCmd,
747				    	BUS_DMA_WAITOK
748					);
749		KdPrint(("bus_dmamap_load return %d", error));
750		if (error && error!=EINPROGRESS) {
751			os_printk("bus_dmamap_load error %d", error);
752			cmdext_put(ext);
753			ldm_free_cmds(pCmd);
754			ccb->ccb_h.status = CAM_REQ_CMP_ERR;
755			xpt_done(ccb);
756		}
757		return;
758error:
759		ldm_free_cmds(pCmd);
760		ccb->ccb_h.status = CAM_REQ_INVALID;
761		break;
762	}
763
764	case INQUIRY:
765	{
766		PINQUIRYDATA inquiryData;
767		HIM_DEVICE_CONFIG devconf;
768		HPT_U8 *rbuf;
769
770		memset(ccb->csio.data_ptr, 0, ccb->csio.dxfer_len);
771		inquiryData = (PINQUIRYDATA)ccb->csio.data_ptr;
772
773		if (cdb[1] & 1) {
774			rbuf = (HPT_U8 *)inquiryData;
775			switch(cdb[2]) {
776			case 0:
777				rbuf[0] = 0;
778				rbuf[1] = 0;
779				rbuf[2] = 0;
780				rbuf[3] = 3;
781				rbuf[4] = 0;
782				rbuf[5] = 0x80;
783				rbuf[6] = 0x83;
784				ccb->ccb_h.status = CAM_REQ_CMP;
785				break;
786			case 0x80: {
787				rbuf[0] = 0;
788				rbuf[1] = 0x80;
789				rbuf[2] = 0;
790				if (vd->type == VD_RAW) {
791					rbuf[3] = 20;
792					vd->u.raw.him->get_device_config(vd->u.raw.phy_dev,&devconf);
793					memcpy(&rbuf[4], devconf.pIdentifyData->SerialNumber, 20);
794					ldm_ide_fixstring(&rbuf[4], 20);
795				} else {
796					rbuf[3] = 1;
797					rbuf[4] = 0x20;
798				}
799				ccb->ccb_h.status = CAM_REQ_CMP;
800				break;
801			}
802			case 0x83:
803				rbuf[0] = 0;
804				rbuf[1] = 0x83;
805				rbuf[2] = 0;
806				rbuf[3] = 12;
807				rbuf[4] = 1;
808				rbuf[5] = 2;
809				rbuf[6] = 0;
810				rbuf[7] = 8;
811				rbuf[8] = 0;
812				rbuf[9] = 0x19;
813				rbuf[10] = 0x3C;
814				rbuf[11] = 0;
815				rbuf[12] = 0;
816				rbuf[13] = 0;
817				rbuf[14] = 0;
818				rbuf[15] = 0;
819				ccb->ccb_h.status = CAM_REQ_CMP;
820				break;
821			default:
822				ccb->ccb_h.status = CAM_REQ_INVALID;
823				break;
824			}
825
826			break;
827		}
828		else if (cdb[2]) {
829			ccb->ccb_h.status = CAM_REQ_INVALID;
830			break;
831		}
832
833		inquiryData->DeviceType = 0; /*DIRECT_ACCESS_DEVICE*/
834		inquiryData->Versions = 5; /*SPC-3*/
835		inquiryData->ResponseDataFormat = 2;
836		inquiryData->AdditionalLength = 0x5b;
837		inquiryData->CommandQueue = 1;
838
839		if (ccb->csio.dxfer_len > 63) {
840			rbuf = (HPT_U8 *)inquiryData;
841			rbuf[58] = 0x60;
842			rbuf[59] = 0x3;
843
844			rbuf[64] = 0x3;
845			rbuf[66] = 0x3;
846			rbuf[67] = 0x20;
847
848		}
849
850		if (vd->type == VD_RAW) {
851			vd->u.raw.him->get_device_config(vd->u.raw.phy_dev,&devconf);
852
853			if ((devconf.pIdentifyData->GeneralConfiguration & 0x80))
854				inquiryData->RemovableMedia = 1;
855
856
857			memcpy(&inquiryData->VendorId, "ATA     ", 8);
858			memcpy(&inquiryData->ProductId, devconf.pIdentifyData->ModelNumber, 16);
859			ldm_ide_fixstring((HPT_U8 *)&inquiryData->ProductId, 16);
860			memcpy(&inquiryData->ProductRevisionLevel, devconf.pIdentifyData->FirmwareRevision, 4);
861			ldm_ide_fixstring((HPT_U8 *)&inquiryData->ProductRevisionLevel, 4);
862			if (inquiryData->ProductRevisionLevel[0] == 0 || inquiryData->ProductRevisionLevel[0] == ' ')
863				memcpy(&inquiryData->ProductRevisionLevel, "n/a ", 4);
864		} else {
865			memcpy(&inquiryData->VendorId, "HPT     ", 8);
866			snprintf((char *)&inquiryData->ProductId, 16, "DISK_%d_%d        ",
867				os_get_vbus_seq(vbus_ext), vd->target_id);
868			inquiryData->ProductId[15] = ' ';
869			memcpy(&inquiryData->ProductRevisionLevel, "4.00", 4);
870		}
871
872		ccb->ccb_h.status = CAM_REQ_CMP;
873		break;
874	}
875	case READ_CAPACITY:
876	{
877		HPT_U8 *rbuf = ccb->csio.data_ptr;
878		HPT_U32 cap;
879		HPT_U8 sector_size_shift = 0;
880		HPT_U64 new_cap;
881		HPT_U32 sector_size = 0;
882
883		if (mIsArray(vd->type))
884			sector_size_shift = vd->u.array.sector_size_shift;
885		else{
886			if(vd->type == VD_RAW){
887				sector_size = vd->u.raw.logical_sector_size;
888			}
889
890			switch (sector_size) {
891				case 0x1000:
892					KdPrint(("set 4k setctor size in READ_CAPACITY"));
893					sector_size_shift = 3;
894					break;
895				default:
896					break;
897			}
898		}
899		new_cap = vd->capacity >> sector_size_shift;
900
901		if (new_cap > 0xfffffffful)
902			cap = 0xffffffff;
903		else
904			cap = new_cap - 1;
905
906		rbuf[0] = (HPT_U8)(cap>>24);
907		rbuf[1] = (HPT_U8)(cap>>16);
908		rbuf[2] = (HPT_U8)(cap>>8);
909		rbuf[3] = (HPT_U8)cap;
910		rbuf[4] = 0;
911		rbuf[5] = 0;
912		rbuf[6] = 2 << sector_size_shift;
913		rbuf[7] = 0;
914
915		ccb->ccb_h.status = CAM_REQ_CMP;
916		break;
917	}
918
919	case REPORT_LUNS:
920	{
921		HPT_U8 *rbuf = ccb->csio.data_ptr;
922		memset(rbuf, 0, 16);
923		rbuf[3] = 8;
924		ccb->ccb_h.status = CAM_REQ_CMP;
925		break;
926	}
927	case SERVICE_ACTION_IN:
928	{
929		HPT_U8 *rbuf = ccb->csio.data_ptr;
930		HPT_U64	cap = 0;
931		HPT_U8 sector_size_shift = 0;
932		HPT_U32 sector_size = 0;
933
934		if(mIsArray(vd->type))
935			sector_size_shift = vd->u.array.sector_size_shift;
936		else{
937			if(vd->type == VD_RAW){
938				sector_size = vd->u.raw.logical_sector_size;
939			}
940
941			switch (sector_size) {
942				case 0x1000:
943					KdPrint(("set 4k setctor size in SERVICE_ACTION_IN"));
944					sector_size_shift = 3;
945					break;
946				default:
947					break;
948			}
949		}
950		cap = (vd->capacity >> sector_size_shift) - 1;
951
952		rbuf[0] = (HPT_U8)(cap>>56);
953		rbuf[1] = (HPT_U8)(cap>>48);
954		rbuf[2] = (HPT_U8)(cap>>40);
955		rbuf[3] = (HPT_U8)(cap>>32);
956		rbuf[4] = (HPT_U8)(cap>>24);
957		rbuf[5] = (HPT_U8)(cap>>16);
958		rbuf[6] = (HPT_U8)(cap>>8);
959		rbuf[7] = (HPT_U8)cap;
960		rbuf[8] = 0;
961		rbuf[9] = 0;
962		rbuf[10] = 2 << sector_size_shift;
963		rbuf[11] = 0;
964
965		if(!mIsArray(vd->type)){
966			rbuf[13] = vd->u.raw.logicalsectors_per_physicalsector;
967			rbuf[14] = (HPT_U8)((vd->u.raw.lowest_aligned >> 8) & 0x3f);
968			rbuf[15] = (HPT_U8)(vd->u.raw.lowest_aligned);
969		}
970
971		ccb->ccb_h.status = CAM_REQ_CMP;
972		break;
973	}
974
975	case READ_6:
976	case READ_10:
977	case READ_16:
978	case WRITE_6:
979	case WRITE_10:
980	case WRITE_16:
981	case 0x13:
982	case 0x2f:
983	case 0x8f: /* VERIFY_16 */
984	{
985		int error;
986		HPT_U8 sector_size_shift = 0;
987		HPT_U32 sector_size = 0;
988		pCmd = ldm_alloc_cmds(vbus, vd->cmds_per_request);
989		if(!pCmd){
990			KdPrint(("Failed to allocate command!"));
991			ccb->ccb_h.status = CAM_BUSY;
992			break;
993		}
994
995		switch (cdb[0])	{
996		case READ_6:
997		case WRITE_6:
998		case 0x13:
999			pCmd->uCmd.Ide.Lba =  ((HPT_U32)cdb[1] << 16) | ((HPT_U32)cdb[2] << 8) | (HPT_U32)cdb[3];
1000			pCmd->uCmd.Ide.nSectors = (HPT_U16) cdb[4];
1001			break;
1002		case READ_16:
1003		case WRITE_16:
1004		case 0x8f: /* VERIFY_16 */
1005		{
1006			HPT_U64 block =
1007				((HPT_U64)cdb[2]<<56) |
1008				((HPT_U64)cdb[3]<<48) |
1009				((HPT_U64)cdb[4]<<40) |
1010				((HPT_U64)cdb[5]<<32) |
1011				((HPT_U64)cdb[6]<<24) |
1012				((HPT_U64)cdb[7]<<16) |
1013				((HPT_U64)cdb[8]<<8) |
1014				((HPT_U64)cdb[9]);
1015			pCmd->uCmd.Ide.Lba = block;
1016			pCmd->uCmd.Ide.nSectors = (HPT_U16)cdb[13] | ((HPT_U16)cdb[12]<<8);
1017			break;
1018		}
1019
1020		default:
1021			pCmd->uCmd.Ide.Lba = (HPT_U32)cdb[5] | ((HPT_U32)cdb[4] << 8) | ((HPT_U32)cdb[3] << 16) | ((HPT_U32)cdb[2] << 24);
1022			pCmd->uCmd.Ide.nSectors = (HPT_U16) cdb[8] | ((HPT_U16)cdb[7]<<8);
1023			break;
1024		}
1025
1026		if(mIsArray(vd->type)) {
1027			sector_size_shift = vd->u.array.sector_size_shift;
1028		}
1029		else{
1030			if(vd->type == VD_RAW){
1031				sector_size = vd->u.raw.logical_sector_size;
1032			}
1033
1034			switch (sector_size) {
1035				case 0x1000:
1036					KdPrint(("<8>resize sector size from 4k to 512"));
1037					sector_size_shift = 3;
1038					break;
1039				default:
1040					break;
1041	 		}
1042		}
1043		pCmd->uCmd.Ide.Lba <<= sector_size_shift;
1044		pCmd->uCmd.Ide.nSectors <<= sector_size_shift;
1045
1046
1047		switch (cdb[0]) {
1048		case READ_6:
1049		case READ_10:
1050		case READ_16:
1051			pCmd->flags.data_in = 1;
1052			break;
1053		case WRITE_6:
1054		case WRITE_10:
1055		case WRITE_16:
1056			pCmd->flags.data_out = 1;
1057			break;
1058		}
1059		pCmd->priv = ext = cmdext_get(vbus_ext);
1060		HPT_ASSERT(ext);
1061		ext->ccb = ccb;
1062		pCmd->target = vd;
1063		pCmd->done = os_cmddone;
1064		pCmd->buildsgl = os_buildsgl;
1065		pCmd->psg = ext->psg;
1066		pCmd->flags.physical_sg = 1;
1067		error = bus_dmamap_load_ccb(vbus_ext->io_dmat,
1068					ext->dma_map, ccb,
1069					hpt_io_dmamap_callback, pCmd,
1070				    	BUS_DMA_WAITOK
1071					);
1072		KdPrint(("bus_dmamap_load return %d", error));
1073		if (error && error!=EINPROGRESS) {
1074			os_printk("bus_dmamap_load error %d", error);
1075			cmdext_put(ext);
1076			ldm_free_cmds(pCmd);
1077			ccb->ccb_h.status = CAM_REQ_CMP_ERR;
1078			xpt_done(ccb);
1079		}
1080		return;
1081	}
1082
1083	default:
1084		ccb->ccb_h.status = CAM_REQ_INVALID;
1085		break;
1086	}
1087
1088	xpt_done(ccb);
1089	return;
1090}
1091
1092static void hpt_action(struct cam_sim *sim, union ccb *ccb)
1093{
1094	PVBUS_EXT vbus_ext = (PVBUS_EXT)cam_sim_softc(sim);
1095
1096	KdPrint(("hpt_action(fn=%d, id=%d)", ccb->ccb_h.func_code, ccb->ccb_h.target_id));
1097
1098	hpt_assert_vbus_locked(vbus_ext);
1099	switch (ccb->ccb_h.func_code) {
1100
1101	case XPT_SCSI_IO:
1102		hpt_scsi_io(vbus_ext, ccb);
1103		return;
1104
1105	case XPT_RESET_BUS:
1106		ldm_reset_vbus((PVBUS)vbus_ext->vbus);
1107		break;
1108
1109	case XPT_GET_TRAN_SETTINGS:
1110	case XPT_SET_TRAN_SETTINGS:
1111		ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
1112		break;
1113
1114	case XPT_CALC_GEOMETRY:
1115		ccb->ccg.heads = 255;
1116		ccb->ccg.secs_per_track = 63;
1117		ccb->ccg.cylinders = ccb->ccg.volume_size / (ccb->ccg.heads * ccb->ccg.secs_per_track);
1118		ccb->ccb_h.status = CAM_REQ_CMP;
1119		break;
1120
1121	case XPT_PATH_INQ:
1122	{
1123		struct ccb_pathinq *cpi = &ccb->cpi;
1124
1125		cpi->version_num = 1;
1126		cpi->hba_inquiry = PI_SDTR_ABLE;
1127		cpi->target_sprt = 0;
1128		cpi->hba_misc = PIM_NOBUSRESET;
1129		cpi->hba_eng_cnt = 0;
1130		cpi->max_target = osm_max_targets;
1131		cpi->max_lun = 0;
1132		cpi->unit_number = cam_sim_unit(sim);
1133		cpi->bus_id = cam_sim_bus(sim);
1134		cpi->initiator_id = osm_max_targets;
1135		cpi->base_transfer_speed = 3300;
1136
1137		strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
1138		strlcpy(cpi->hba_vid, "HPT   ", HBA_IDLEN);
1139		strlcpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
1140		cpi->transport = XPORT_SPI;
1141		cpi->transport_version = 2;
1142		cpi->protocol = PROTO_SCSI;
1143		cpi->protocol_version = SCSI_REV_2;
1144		cpi->ccb_h.status = CAM_REQ_CMP;
1145		break;
1146	}
1147
1148	default:
1149		ccb->ccb_h.status = CAM_REQ_INVALID;
1150		break;
1151	}
1152
1153	xpt_done(ccb);
1154	return;
1155}
1156
1157static void hpt_pci_intr(void *arg)
1158{
1159	PVBUS_EXT vbus_ext = (PVBUS_EXT)arg;
1160	hpt_lock_vbus(vbus_ext);
1161	ldm_intr((PVBUS)vbus_ext->vbus);
1162	hpt_unlock_vbus(vbus_ext);
1163}
1164
1165static void hpt_poll(struct cam_sim *sim)
1166{
1167	PVBUS_EXT vbus_ext = cam_sim_softc(sim);
1168	hpt_assert_vbus_locked(vbus_ext);
1169	ldm_intr((PVBUS)vbus_ext->vbus);
1170}
1171
1172static void hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path, void * arg)
1173{
1174	KdPrint(("hpt_async"));
1175}
1176
1177static int hpt_shutdown(device_t dev)
1178{
1179	KdPrint(("hpt_shutdown(dev=%p)", dev));
1180	return 0;
1181}
1182
1183static int hpt_detach(device_t dev)
1184{
1185	/* we don't allow the driver to be unloaded. */
1186	return EBUSY;
1187}
1188
1189static void hpt_ioctl_done(struct _IOCTL_ARG *arg)
1190{
1191	arg->ioctl_cmnd = 0;
1192	wakeup(arg);
1193}
1194
1195static void __hpt_do_ioctl(PVBUS_EXT vbus_ext, IOCTL_ARG *ioctl_args)
1196{
1197	ioctl_args->result = -1;
1198	ioctl_args->done = hpt_ioctl_done;
1199	ioctl_args->ioctl_cmnd = (void *)1;
1200
1201	hpt_lock_vbus(vbus_ext);
1202	ldm_ioctl((PVBUS)vbus_ext->vbus, ioctl_args);
1203
1204	while (ioctl_args->ioctl_cmnd) {
1205		if (hpt_sleep(vbus_ext, ioctl_args, PPAUSE, "hptctl", HPT_OSM_TIMEOUT)==0)
1206			break;
1207		ldm_reset_vbus((PVBUS)vbus_ext->vbus);
1208		__hpt_do_tasks(vbus_ext);
1209	}
1210
1211	/* KdPrint(("ioctl %x result %d", ioctl_args->dwIoControlCode, ioctl_args->result)); */
1212
1213	hpt_unlock_vbus(vbus_ext);
1214}
1215
1216static void hpt_do_ioctl(IOCTL_ARG *ioctl_args)
1217{
1218	PVBUS vbus;
1219	PVBUS_EXT vbus_ext;
1220
1221	ldm_for_each_vbus(vbus, vbus_ext) {
1222		__hpt_do_ioctl(vbus_ext, ioctl_args);
1223		if (ioctl_args->result!=HPT_IOCTL_RESULT_WRONG_VBUS)
1224			return;
1225	}
1226}
1227
1228#define HPT_DO_IOCTL(code, inbuf, insize, outbuf, outsize) ({\
1229	IOCTL_ARG arg;\
1230	arg.dwIoControlCode = code;\
1231	arg.lpInBuffer = inbuf;\
1232	arg.lpOutBuffer = outbuf;\
1233	arg.nInBufferSize = insize;\
1234	arg.nOutBufferSize = outsize;\
1235	arg.lpBytesReturned = 0;\
1236	hpt_do_ioctl(&arg);\
1237	arg.result;\
1238})
1239
1240#define DEVICEID_VALID(id) ((id) && ((HPT_U32)(id)!=0xffffffff))
1241
1242static int hpt_get_logical_devices(DEVICEID * pIds, int nMaxCount)
1243{
1244	int i;
1245	HPT_U32 count = nMaxCount-1;
1246
1247	if (HPT_DO_IOCTL(HPT_IOCTL_GET_LOGICAL_DEVICES,
1248			&count, sizeof(HPT_U32), pIds, sizeof(DEVICEID)*nMaxCount))
1249		return -1;
1250
1251	nMaxCount = (int)pIds[0];
1252	for (i=0; i<nMaxCount; i++) pIds[i] = pIds[i+1];
1253	return nMaxCount;
1254}
1255
1256static int hpt_get_device_info_v3(DEVICEID id, PLOGICAL_DEVICE_INFO_V3 pInfo)
1257{
1258	return HPT_DO_IOCTL(HPT_IOCTL_GET_DEVICE_INFO_V3,
1259				&id, sizeof(DEVICEID), pInfo, sizeof(LOGICAL_DEVICE_INFO_V3));
1260}
1261
1262/* not belong to this file logically, but we want to use ioctl interface */
1263static int __hpt_stop_tasks(PVBUS_EXT vbus_ext, DEVICEID id)
1264{
1265	LOGICAL_DEVICE_INFO_V3 devinfo;
1266	int i, result;
1267	DEVICEID param[2] = { id, 0 };
1268
1269	if (hpt_get_device_info_v3(id, &devinfo))
1270		return -1;
1271
1272	if (devinfo.Type!=LDT_ARRAY)
1273		return -1;
1274
1275	if (devinfo.u.array.Flags & ARRAY_FLAG_REBUILDING)
1276		param[1] = AS_REBUILD_ABORT;
1277	else if (devinfo.u.array.Flags & ARRAY_FLAG_VERIFYING)
1278		param[1] = AS_VERIFY_ABORT;
1279	else if (devinfo.u.array.Flags & ARRAY_FLAG_INITIALIZING)
1280		param[1] = AS_INITIALIZE_ABORT;
1281	else if (devinfo.u.array.Flags & ARRAY_FLAG_TRANSFORMING)
1282		param[1] = AS_TRANSFORM_ABORT;
1283	else
1284		return -1;
1285
1286	KdPrint(("SET_ARRAY_STATE(%x, %d)", param[0], param[1]));
1287	result = HPT_DO_IOCTL(HPT_IOCTL_SET_ARRAY_STATE,
1288				param, sizeof(param), 0, 0);
1289
1290	for (i=0; i<devinfo.u.array.nDisk; i++)
1291		if (DEVICEID_VALID(devinfo.u.array.Members[i]))
1292			__hpt_stop_tasks(vbus_ext, devinfo.u.array.Members[i]);
1293
1294	return result;
1295}
1296
1297static void hpt_stop_tasks(PVBUS_EXT vbus_ext)
1298{
1299	DEVICEID ids[32];
1300	int i, count;
1301
1302	count = hpt_get_logical_devices((DEVICEID *)&ids, sizeof(ids)/sizeof(ids[0]));
1303
1304	for (i=0; i<count; i++)
1305		__hpt_stop_tasks(vbus_ext, ids[i]);
1306}
1307
1308static	d_open_t	hpt_open;
1309static	d_close_t	hpt_close;
1310static	d_ioctl_t	hpt_ioctl;
1311static  int 		hpt_rescan_bus(void);
1312
1313static struct cdevsw hpt_cdevsw = {
1314	.d_open =	hpt_open,
1315	.d_close =	hpt_close,
1316	.d_ioctl =	hpt_ioctl,
1317	.d_name =	driver_name,
1318	.d_version =	D_VERSION,
1319};
1320
1321static struct intr_config_hook hpt_ich;
1322
1323/*
1324 * hpt_final_init will be called after all hpt_attach.
1325 */
1326static void hpt_final_init(void *dummy)
1327{
1328	int       i,unit_number=0;
1329	PVBUS_EXT vbus_ext;
1330	PVBUS vbus;
1331	PHBA hba;
1332
1333	/* Clear the config hook */
1334	config_intrhook_disestablish(&hpt_ich);
1335
1336	/* allocate memory */
1337	i = 0;
1338	ldm_for_each_vbus(vbus, vbus_ext) {
1339		if (hpt_alloc_mem(vbus_ext)) {
1340			os_printk("out of memory");
1341			return;
1342		}
1343		i++;
1344	}
1345
1346	if (!i) {
1347		if (bootverbose)
1348			os_printk("no controller detected.");
1349		return;
1350	}
1351
1352	/* initializing hardware */
1353	ldm_for_each_vbus(vbus, vbus_ext) {
1354		/* make timer available here */
1355		mtx_init(&vbus_ext->lock, "hptsleeplock", NULL, MTX_DEF);
1356		callout_init_mtx(&vbus_ext->timer, &vbus_ext->lock, 0);
1357		if (hpt_init_vbus(vbus_ext)) {
1358			os_printk("fail to initialize hardware");
1359			break; /* FIXME */
1360		}
1361	}
1362
1363	/* register CAM interface */
1364	ldm_for_each_vbus(vbus, vbus_ext) {
1365		struct cam_devq *devq;
1366		struct ccb_setasync	ccb;
1367
1368		if (bus_dma_tag_create(NULL,/* parent */
1369				4,	/* alignment */
1370				BUS_SPACE_MAXADDR_32BIT+1, /* boundary */
1371				BUS_SPACE_MAXADDR,	/* lowaddr */
1372				BUS_SPACE_MAXADDR, 	/* highaddr */
1373				NULL, NULL, 		/* filter, filterarg */
1374				PAGE_SIZE * (os_max_sg_descriptors-1),	/* maxsize */
1375				os_max_sg_descriptors,	/* nsegments */
1376				0x10000,	/* maxsegsize */
1377				BUS_DMA_WAITOK,		/* flags */
1378				busdma_lock_mutex,	/* lockfunc */
1379				&vbus_ext->lock,		/* lockfuncarg */
1380				&vbus_ext->io_dmat	/* tag */))
1381		{
1382			return ;
1383		}
1384
1385		for (i=0; i<os_max_queue_comm; i++) {
1386			POS_CMDEXT ext = (POS_CMDEXT)malloc(sizeof(OS_CMDEXT), M_DEVBUF, M_WAITOK);
1387			if (!ext) {
1388				os_printk("Can't alloc cmdext(%d)", i);
1389				return ;
1390			}
1391			ext->vbus_ext = vbus_ext;
1392			ext->next = vbus_ext->cmdext_list;
1393			vbus_ext->cmdext_list = ext;
1394
1395			if (bus_dmamap_create(vbus_ext->io_dmat, 0, &ext->dma_map)) {
1396				os_printk("Can't create dma map(%d)", i);
1397				return ;
1398			}
1399			callout_init_mtx(&ext->timeout, &vbus_ext->lock, 0);
1400		}
1401
1402		if ((devq = cam_simq_alloc(os_max_queue_comm)) == NULL) {
1403			os_printk("cam_simq_alloc failed");
1404			return ;
1405		}
1406
1407		hpt_lock_vbus(vbus_ext);
1408		vbus_ext->sim = cam_sim_alloc(hpt_action, hpt_poll, driver_name,
1409				vbus_ext, unit_number, &vbus_ext->lock,
1410				os_max_queue_comm, /*tagged*/8,  devq);
1411		unit_number++;
1412		if (!vbus_ext->sim) {
1413			os_printk("cam_sim_alloc failed");
1414			cam_simq_free(devq);
1415			hpt_unlock_vbus(vbus_ext);
1416			return ;
1417		}
1418
1419		if (xpt_bus_register(vbus_ext->sim, NULL, 0) != CAM_SUCCESS) {
1420			os_printk("xpt_bus_register failed");
1421			cam_sim_free(vbus_ext->sim, /*free devq*/ TRUE);
1422			vbus_ext->sim = NULL;
1423			return ;
1424		}
1425
1426		if (xpt_create_path(&vbus_ext->path, /*periph */ NULL,
1427				cam_sim_path(vbus_ext->sim), CAM_TARGET_WILDCARD,
1428				CAM_LUN_WILDCARD) != CAM_REQ_CMP)
1429		{
1430			os_printk("xpt_create_path failed");
1431			xpt_bus_deregister(cam_sim_path(vbus_ext->sim));
1432			cam_sim_free(vbus_ext->sim, /*free_devq*/TRUE);
1433			hpt_unlock_vbus(vbus_ext);
1434			vbus_ext->sim = NULL;
1435			return ;
1436		}
1437		hpt_unlock_vbus(vbus_ext);
1438
1439		xpt_setup_ccb(&ccb.ccb_h, vbus_ext->path, /*priority*/5);
1440		ccb.ccb_h.func_code = XPT_SASYNC_CB;
1441		ccb.event_enable = AC_LOST_DEVICE;
1442		ccb.callback = hpt_async;
1443		ccb.callback_arg = vbus_ext;
1444		xpt_action((union ccb *)&ccb);
1445
1446		for (hba = vbus_ext->hba_list; hba; hba = hba->next) {
1447			int rid = 0;
1448			if ((hba->irq_res = bus_alloc_resource(hba->pcidev,
1449				SYS_RES_IRQ, &rid, 0, ~0ul, 1, RF_SHAREABLE | RF_ACTIVE)) == NULL)
1450			{
1451				os_printk("can't allocate interrupt");
1452				return ;
1453			}
1454
1455			if (bus_setup_intr(hba->pcidev, hba->irq_res, INTR_TYPE_CAM | INTR_MPSAFE,
1456				NULL, hpt_pci_intr, vbus_ext, &hba->irq_handle))
1457			{
1458				os_printk("can't set up interrupt");
1459				return ;
1460			}
1461			hba->ldm_adapter.him->intr_control(hba->ldm_adapter.him_handle, HPT_TRUE);
1462
1463		}
1464
1465		vbus_ext->shutdown_eh = EVENTHANDLER_REGISTER(shutdown_final,
1466									hpt_shutdown_vbus, vbus_ext, SHUTDOWN_PRI_DEFAULT);
1467		if (!vbus_ext->shutdown_eh)
1468			os_printk("Shutdown event registration failed");
1469	}
1470
1471	ldm_for_each_vbus(vbus, vbus_ext) {
1472		TASK_INIT(&vbus_ext->worker, 0, (task_fn_t *)hpt_do_tasks, vbus_ext);
1473		if (vbus_ext->tasks)
1474			TASK_ENQUEUE(&vbus_ext->worker);
1475	}
1476
1477	make_dev(&hpt_cdevsw, DRIVER_MINOR, UID_ROOT, GID_OPERATOR,
1478	    S_IRUSR | S_IWUSR, "%s", driver_name);
1479}
1480
1481#if defined(KLD_MODULE)
1482
1483typedef struct driverlink *driverlink_t;
1484struct driverlink {
1485	kobj_class_t	driver;
1486	TAILQ_ENTRY(driverlink) link;	/* list of drivers in devclass */
1487};
1488
1489typedef TAILQ_HEAD(driver_list, driverlink) driver_list_t;
1490
1491struct devclass {
1492	TAILQ_ENTRY(devclass) link;
1493	devclass_t	parent;		/* parent in devclass hierarchy */
1494	driver_list_t	drivers;     /* bus devclasses store drivers for bus */
1495	char		*name;
1496	device_t	*devices;	/* array of devices indexed by unit */
1497	int		maxunit;	/* size of devices array */
1498};
1499
1500static void override_kernel_driver(void)
1501{
1502	driverlink_t dl, dlfirst;
1503	driver_t *tmpdriver;
1504	devclass_t dc = devclass_find("pci");
1505
1506	if (dc){
1507		dlfirst = TAILQ_FIRST(&dc->drivers);
1508		for (dl = dlfirst; dl; dl = TAILQ_NEXT(dl, link)) {
1509			if(strcmp(dl->driver->name, driver_name) == 0) {
1510				tmpdriver=dl->driver;
1511				dl->driver=dlfirst->driver;
1512				dlfirst->driver=tmpdriver;
1513				break;
1514			}
1515		}
1516	}
1517}
1518
1519#else
1520#define override_kernel_driver()
1521#endif
1522
1523static void hpt_init(void *dummy)
1524{
1525	if (bootverbose)
1526		os_printk("%s %s", driver_name_long, driver_ver);
1527
1528	override_kernel_driver();
1529	init_config();
1530
1531	hpt_ich.ich_func = hpt_final_init;
1532	hpt_ich.ich_arg = NULL;
1533	if (config_intrhook_establish(&hpt_ich) != 0) {
1534		printf("%s: cannot establish configuration hook\n",
1535		    driver_name_long);
1536	}
1537
1538}
1539SYSINIT(hptinit, SI_SUB_CONFIGURE, SI_ORDER_FIRST, hpt_init, NULL);
1540
1541/*
1542 * CAM driver interface
1543 */
1544static device_method_t driver_methods[] = {
1545	/* Device interface */
1546	DEVMETHOD(device_probe,		hpt_probe),
1547	DEVMETHOD(device_attach,	hpt_attach),
1548	DEVMETHOD(device_detach,	hpt_detach),
1549	DEVMETHOD(device_shutdown,	hpt_shutdown),
1550	{ 0, 0 }
1551};
1552
1553static driver_t hpt_pci_driver = {
1554	driver_name,
1555	driver_methods,
1556	sizeof(HBA)
1557};
1558
1559static devclass_t	hpt_devclass;
1560
1561#ifndef TARGETNAME
1562#error "no TARGETNAME found"
1563#endif
1564
1565/* use this to make TARGETNAME be expanded */
1566#define __DRIVER_MODULE(p1, p2, p3, p4, p5, p6) DRIVER_MODULE(p1, p2, p3, p4, p5, p6)
1567#define __MODULE_VERSION(p1, p2) MODULE_VERSION(p1, p2)
1568#define __MODULE_DEPEND(p1, p2, p3, p4, p5) MODULE_DEPEND(p1, p2, p3, p4, p5)
1569__DRIVER_MODULE(TARGETNAME, pci, hpt_pci_driver, hpt_devclass, 0, 0);
1570__MODULE_VERSION(TARGETNAME, 1);
1571__MODULE_DEPEND(TARGETNAME, cam, 1, 1, 1);
1572
1573static int hpt_open(struct cdev *dev, int flags, int devtype, struct thread *td)
1574{
1575	return 0;
1576}
1577
1578static int hpt_close(struct cdev *dev, int flags, int devtype, struct thread *td)
1579{
1580	return 0;
1581}
1582
1583static int hpt_ioctl(struct cdev *dev, u_long cmd, caddr_t data, int fflag, struct thread *td)
1584{
1585	PHPT_IOCTL_PARAM piop=(PHPT_IOCTL_PARAM)data;
1586	IOCTL_ARG ioctl_args;
1587	HPT_U32 bytesReturned;
1588
1589	switch (cmd){
1590	case HPT_DO_IOCONTROL:
1591	{
1592		if (piop->Magic == HPT_IOCTL_MAGIC || piop->Magic == HPT_IOCTL_MAGIC32) {
1593			KdPrint(("ioctl=%x in=%p len=%d out=%p len=%d\n",
1594				piop->dwIoControlCode,
1595				piop->lpInBuffer,
1596				piop->nInBufferSize,
1597				piop->lpOutBuffer,
1598				piop->nOutBufferSize));
1599
1600		memset(&ioctl_args, 0, sizeof(ioctl_args));
1601
1602		ioctl_args.dwIoControlCode = piop->dwIoControlCode;
1603		ioctl_args.nInBufferSize = piop->nInBufferSize;
1604		ioctl_args.nOutBufferSize = piop->nOutBufferSize;
1605		ioctl_args.lpBytesReturned = &bytesReturned;
1606
1607		if (ioctl_args.nInBufferSize) {
1608			ioctl_args.lpInBuffer = malloc(ioctl_args.nInBufferSize, M_DEVBUF, M_WAITOK);
1609			if (!ioctl_args.lpInBuffer)
1610				goto invalid;
1611			if (copyin((void*)piop->lpInBuffer,
1612					ioctl_args.lpInBuffer, piop->nInBufferSize))
1613				goto invalid;
1614		}
1615
1616		if (ioctl_args.nOutBufferSize) {
1617			ioctl_args.lpOutBuffer = malloc(ioctl_args.nOutBufferSize, M_DEVBUF, M_WAITOK);
1618			if (!ioctl_args.lpOutBuffer)
1619				goto invalid;
1620		}
1621
1622		hpt_do_ioctl(&ioctl_args);
1623
1624		if (ioctl_args.result==HPT_IOCTL_RESULT_OK) {
1625			if (piop->nOutBufferSize) {
1626				if (copyout(ioctl_args.lpOutBuffer,
1627					(void*)piop->lpOutBuffer, piop->nOutBufferSize))
1628					goto invalid;
1629			}
1630			if (piop->lpBytesReturned) {
1631				if (copyout(&bytesReturned,
1632					(void*)piop->lpBytesReturned, sizeof(HPT_U32)))
1633					goto invalid;
1634			}
1635			if (ioctl_args.lpInBuffer) free(ioctl_args.lpInBuffer, M_DEVBUF);
1636			if (ioctl_args.lpOutBuffer) free(ioctl_args.lpOutBuffer, M_DEVBUF);
1637			return 0;
1638		}
1639invalid:
1640		if (ioctl_args.lpInBuffer) free(ioctl_args.lpInBuffer, M_DEVBUF);
1641		if (ioctl_args.lpOutBuffer) free(ioctl_args.lpOutBuffer, M_DEVBUF);
1642		return EFAULT;
1643	}
1644	return EFAULT;
1645	}
1646
1647	case HPT_SCAN_BUS:
1648	{
1649		return hpt_rescan_bus();
1650	}
1651	default:
1652		KdPrint(("invalid command!"));
1653		return EFAULT;
1654	}
1655
1656}
1657
1658static int	hpt_rescan_bus(void)
1659{
1660	union ccb			*ccb;
1661	PVBUS 				vbus;
1662	PVBUS_EXT			vbus_ext;
1663
1664	ldm_for_each_vbus(vbus, vbus_ext) {
1665		if ((ccb = xpt_alloc_ccb()) == NULL)
1666		{
1667			return(ENOMEM);
1668		}
1669		if (xpt_create_path(&ccb->ccb_h.path, NULL, cam_sim_path(vbus_ext->sim),
1670			CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP)
1671		{
1672			xpt_free_ccb(ccb);
1673			return(EIO);
1674		}
1675		xpt_rescan(ccb);
1676	}
1677	return(0);
1678}
1679