1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 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
29 #include <dev/hpt27xx/hpt27xx_config.h>
30
31 #include <dev/hpt27xx/os_bsd.h>
32 #include <dev/hpt27xx/hptintf.h>
33
hpt_match(device_t dev,int scan)34 static HIM *hpt_match(device_t dev, int scan)
35 {
36 PCI_ID pci_id;
37 HIM *him;
38 int i;
39
40 for (him = him_list; him; him = him->next) {
41 for (i=0; him->get_supported_device_id(i, &pci_id); i++) {
42 if (scan && him->get_controller_count)
43 him->get_controller_count(&pci_id,0,0);
44 if ((pci_get_vendor(dev) == pci_id.vid) &&
45 (pci_get_device(dev) == pci_id.did)){
46 return (him);
47 }
48 }
49 }
50 return (NULL);
51 }
52
hpt_probe(device_t dev)53 static int hpt_probe(device_t dev)
54 {
55 HIM *him;
56
57 him = hpt_match(dev, 0);
58 if (him != NULL) {
59 KdPrint(("hpt_probe: adapter at PCI %d:%d:%d, IRQ %d",
60 pci_get_bus(dev), pci_get_slot(dev), pci_get_function(dev), pci_get_irq(dev)
61 ));
62 device_set_desc(dev, him->name);
63 return (BUS_PROBE_DEFAULT);
64 }
65
66 return (ENXIO);
67 }
68
hpt_attach(device_t dev)69 static int hpt_attach(device_t dev)
70 {
71 PHBA hba = (PHBA)device_get_softc(dev);
72 HIM *him;
73 PCI_ID pci_id;
74 HPT_UINT size;
75 PVBUS vbus;
76 PVBUS_EXT vbus_ext;
77
78 if (pci_get_domain(dev) != 0) {
79 device_printf(dev, "does not support PCI domains\n");
80 return (ENXIO);
81 }
82
83 KdPrint(("hpt_attach(%d/%d/%d)", pci_get_bus(dev), pci_get_slot(dev), pci_get_function(dev)));
84
85 him = hpt_match(dev, 1);
86 hba->ext_type = EXT_TYPE_HBA;
87 hba->ldm_adapter.him = him;
88 pci_enable_busmaster(dev);
89
90 pci_id.vid = pci_get_vendor(dev);
91 pci_id.did = pci_get_device(dev);
92 pci_id.rev = pci_get_revid(dev);
93 pci_id.subsys = (HPT_U32)(pci_get_subdevice(dev)) << 16 | pci_get_subvendor(dev);
94
95 size = him->get_adapter_size(&pci_id);
96 hba->ldm_adapter.him_handle = malloc(size, M_DEVBUF, M_WAITOK);
97 if (!hba->ldm_adapter.him_handle)
98 return ENXIO;
99
100 hba->pcidev = dev;
101 hba->pciaddr.tree = 0;
102 hba->pciaddr.bus = pci_get_bus(dev);
103 hba->pciaddr.device = pci_get_slot(dev);
104 hba->pciaddr.function = pci_get_function(dev);
105
106 if (!him->create_adapter(&pci_id, hba->pciaddr, hba->ldm_adapter.him_handle, hba)) {
107 free(hba->ldm_adapter.him_handle, M_DEVBUF);
108 return ENXIO;
109 }
110
111 os_printk("adapter at PCI %d:%d:%d, IRQ %d",
112 hba->pciaddr.bus, hba->pciaddr.device, hba->pciaddr.function, pci_get_irq(dev));
113
114 if (!ldm_register_adapter(&hba->ldm_adapter)) {
115 size = ldm_get_vbus_size();
116 vbus_ext = malloc(sizeof(VBUS_EXT) + size, M_DEVBUF, M_WAITOK);
117 if (!vbus_ext) {
118 free(hba->ldm_adapter.him_handle, M_DEVBUF);
119 return ENXIO;
120 }
121 memset(vbus_ext, 0, sizeof(VBUS_EXT));
122 vbus_ext->ext_type = EXT_TYPE_VBUS;
123 ldm_create_vbus((PVBUS)vbus_ext->vbus, vbus_ext);
124 ldm_register_adapter(&hba->ldm_adapter);
125 }
126
127 ldm_for_each_vbus(vbus, vbus_ext) {
128 if (hba->ldm_adapter.vbus==vbus) {
129 hba->vbus_ext = vbus_ext;
130 hba->next = vbus_ext->hba_list;
131 vbus_ext->hba_list = hba;
132 break;
133 }
134 }
135 return 0;
136 }
137
138 /*
139 * Maybe we'd better to use the bus_dmamem_alloc to alloc DMA memory,
140 * but there are some problems currently (alignment, etc).
141 */
__get_free_pages(int order)142 static __inline void *__get_free_pages(int order)
143 {
144 /* don't use low memory - other devices may get starved */
145 return contigmalloc(PAGE_SIZE<<order,
146 M_DEVBUF, M_WAITOK, BUS_SPACE_MAXADDR_24BIT, BUS_SPACE_MAXADDR, PAGE_SIZE, 0);
147 }
148
free_pages(void * p,int order)149 static __inline void free_pages(void *p, int order)
150 {
151 contigfree(p, PAGE_SIZE<<order, M_DEVBUF);
152 }
153
hpt_alloc_mem(PVBUS_EXT vbus_ext)154 static int hpt_alloc_mem(PVBUS_EXT vbus_ext)
155 {
156 PHBA hba;
157 struct freelist *f;
158 HPT_UINT i;
159 void **p;
160
161 for (hba = vbus_ext->hba_list; hba; hba = hba->next)
162 hba->ldm_adapter.him->get_meminfo(hba->ldm_adapter.him_handle);
163
164 ldm_get_mem_info((PVBUS)vbus_ext->vbus, 0);
165
166 for (f=vbus_ext->freelist_head; f; f=f->next) {
167 KdPrint(("%s: %d*%d=%d bytes",
168 f->tag, f->count, f->size, f->count*f->size));
169 for (i=0; i<f->count; i++) {
170 p = (void **)malloc(f->size, M_DEVBUF, M_WAITOK);
171 if (!p) return (ENXIO);
172 *p = f->head;
173 f->head = p;
174 }
175 }
176
177 for (f=vbus_ext->freelist_dma_head; f; f=f->next) {
178 int order, size, j;
179
180 HPT_ASSERT((f->size & (f->alignment-1))==0);
181
182 for (order=0, size=PAGE_SIZE; size<f->size; order++, size<<=1)
183 ;
184
185 KdPrint(("%s: %d*%d=%d bytes, order %d",
186 f->tag, f->count, f->size, f->count*f->size, order));
187 HPT_ASSERT(f->alignment<=PAGE_SIZE);
188
189 for (i=0; i<f->count;) {
190 p = (void **)__get_free_pages(order);
191 if (!p) return -1;
192 for (j = size/f->size; j && i<f->count; i++,j--) {
193 *p = f->head;
194 *(BUS_ADDRESS *)(p+1) = (BUS_ADDRESS)vtophys(p);
195 f->head = p;
196 p = (void **)((unsigned long)p + f->size);
197 }
198 }
199 }
200
201 HPT_ASSERT(PAGE_SIZE==DMAPOOL_PAGE_SIZE);
202
203 for (i=0; i<os_max_cache_pages; i++) {
204 p = (void **)__get_free_pages(0);
205 if (!p) return -1;
206 HPT_ASSERT(((HPT_UPTR)p & (DMAPOOL_PAGE_SIZE-1))==0);
207 dmapool_put_page((PVBUS)vbus_ext->vbus, p, (BUS_ADDRESS)vtophys(p));
208 }
209
210 return 0;
211 }
212
hpt_free_mem(PVBUS_EXT vbus_ext)213 static void hpt_free_mem(PVBUS_EXT vbus_ext)
214 {
215 struct freelist *f;
216 void *p;
217 int i;
218 BUS_ADDRESS bus;
219
220 for (f=vbus_ext->freelist_head; f; f=f->next) {
221 #if DBG
222 if (f->count!=f->reserved_count) {
223 KdPrint(("memory leak for freelist %s (%d/%d)", f->tag, f->count, f->reserved_count));
224 }
225 #endif
226 while ((p=freelist_get(f)))
227 free(p, M_DEVBUF);
228 }
229
230 for (i=0; i<os_max_cache_pages; i++) {
231 p = dmapool_get_page((PVBUS)vbus_ext->vbus, &bus);
232 HPT_ASSERT(p);
233 free_pages(p, 0);
234 }
235
236 for (f=vbus_ext->freelist_dma_head; f; f=f->next) {
237 int order, size;
238 #if DBG
239 if (f->count!=f->reserved_count) {
240 KdPrint(("memory leak for dma freelist %s (%d/%d)", f->tag, f->count, f->reserved_count));
241 }
242 #endif
243 for (order=0, size=PAGE_SIZE; size<f->size; order++, size<<=1) ;
244
245 while ((p=freelist_get_dma(f, &bus))) {
246 if (order)
247 free_pages(p, order);
248 else {
249 /* can't free immediately since other blocks in this page may still be in the list */
250 if (((HPT_UPTR)p & (PAGE_SIZE-1))==0)
251 dmapool_put_page((PVBUS)vbus_ext->vbus, p, bus);
252 }
253 }
254 }
255
256 while ((p = dmapool_get_page((PVBUS)vbus_ext->vbus, &bus)))
257 free_pages(p, 0);
258 }
259
hpt_init_vbus(PVBUS_EXT vbus_ext)260 static int hpt_init_vbus(PVBUS_EXT vbus_ext)
261 {
262 PHBA hba;
263
264 for (hba = vbus_ext->hba_list; hba; hba = hba->next)
265 if (!hba->ldm_adapter.him->initialize(hba->ldm_adapter.him_handle)) {
266 KdPrint(("fail to initialize %p", hba));
267 return -1;
268 }
269
270 ldm_initialize_vbus((PVBUS)vbus_ext->vbus, &vbus_ext->hba_list->ldm_adapter);
271 return 0;
272 }
273
hpt_flush_done(PCOMMAND pCmd)274 static void hpt_flush_done(PCOMMAND pCmd)
275 {
276 PVDEV vd = pCmd->target;
277
278 if (mIsArray(vd->type) && vd->u.array.transform && vd!=vd->u.array.transform->target) {
279 vd = vd->u.array.transform->target;
280 HPT_ASSERT(vd);
281 pCmd->target = vd;
282 pCmd->Result = RETURN_PENDING;
283 vdev_queue_cmd(pCmd);
284 return;
285 }
286
287 *(int *)pCmd->priv = 1;
288 wakeup(pCmd);
289 }
290
291 /*
292 * flush a vdev (without retry).
293 */
hpt_flush_vdev(PVBUS_EXT vbus_ext,PVDEV vd)294 static int hpt_flush_vdev(PVBUS_EXT vbus_ext, PVDEV vd)
295 {
296 PCOMMAND pCmd;
297 int result = 0, done;
298 HPT_UINT count;
299
300 KdPrint(("flusing dev %p", vd));
301
302 hpt_lock_vbus(vbus_ext);
303
304 if (mIsArray(vd->type) && vd->u.array.transform)
305 count = max(vd->u.array.transform->source->cmds_per_request,
306 vd->u.array.transform->target->cmds_per_request);
307 else
308 count = vd->cmds_per_request;
309
310 pCmd = ldm_alloc_cmds(vd->vbus, count);
311
312 if (!pCmd) {
313 hpt_unlock_vbus(vbus_ext);
314 return -1;
315 }
316
317 pCmd->type = CMD_TYPE_FLUSH;
318 pCmd->flags.hard_flush = 1;
319 pCmd->target = vd;
320 pCmd->done = hpt_flush_done;
321 done = 0;
322 pCmd->priv = &done;
323
324 ldm_queue_cmd(pCmd);
325
326 if (!done) {
327 while (hpt_sleep(vbus_ext, pCmd, PPAUSE, "hptfls", HPT_OSM_TIMEOUT)) {
328 ldm_reset_vbus(vd->vbus);
329 }
330 }
331
332 KdPrint(("flush result %d", pCmd->Result));
333
334 if (pCmd->Result!=RETURN_SUCCESS)
335 result = -1;
336
337 ldm_free_cmds(pCmd);
338
339 hpt_unlock_vbus(vbus_ext);
340
341 return result;
342 }
343
344 static void hpt_stop_tasks(PVBUS_EXT vbus_ext);
hpt_shutdown_vbus(PVBUS_EXT vbus_ext,int howto)345 static void hpt_shutdown_vbus(PVBUS_EXT vbus_ext, int howto)
346 {
347 PVBUS vbus = (PVBUS)vbus_ext->vbus;
348 PHBA hba;
349 int i;
350
351 KdPrint(("hpt_shutdown_vbus"));
352
353 /* stop all ctl tasks and disable the worker taskqueue */
354 hpt_stop_tasks(vbus_ext);
355 vbus_ext->worker.ta_context = 0;
356
357 /* flush devices */
358 for (i=0; i<osm_max_targets; i++) {
359 PVDEV vd = ldm_find_target(vbus, i);
360 if (vd) {
361 /* retry once */
362 if (hpt_flush_vdev(vbus_ext, vd))
363 hpt_flush_vdev(vbus_ext, vd);
364 }
365 }
366
367 hpt_lock_vbus(vbus_ext);
368 ldm_shutdown(vbus);
369 hpt_unlock_vbus(vbus_ext);
370
371 ldm_release_vbus(vbus);
372
373 for (hba=vbus_ext->hba_list; hba; hba=hba->next)
374 bus_teardown_intr(hba->pcidev, hba->irq_res, hba->irq_handle);
375
376 hpt_free_mem(vbus_ext);
377
378 while ((hba=vbus_ext->hba_list)) {
379 vbus_ext->hba_list = hba->next;
380 free(hba->ldm_adapter.him_handle, M_DEVBUF);
381 }
382 callout_drain(&vbus_ext->timer);
383 mtx_destroy(&vbus_ext->lock);
384 free(vbus_ext, M_DEVBUF);
385 KdPrint(("hpt_shutdown_vbus done"));
386 }
387
__hpt_do_tasks(PVBUS_EXT vbus_ext)388 static void __hpt_do_tasks(PVBUS_EXT vbus_ext)
389 {
390 OSM_TASK *tasks;
391
392 tasks = vbus_ext->tasks;
393 vbus_ext->tasks = 0;
394
395 while (tasks) {
396 OSM_TASK *t = tasks;
397 tasks = t->next;
398 t->next = 0;
399 t->func(vbus_ext->vbus, t->data);
400 }
401 }
402
hpt_do_tasks(PVBUS_EXT vbus_ext,int pending)403 static void hpt_do_tasks(PVBUS_EXT vbus_ext, int pending)
404 {
405 if(vbus_ext){
406 hpt_lock_vbus(vbus_ext);
407 __hpt_do_tasks(vbus_ext);
408 hpt_unlock_vbus(vbus_ext);
409 }
410 }
411
412 static void hpt_action(struct cam_sim *sim, union ccb *ccb);
413 static void hpt_poll(struct cam_sim *sim);
414 static void hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path, void * arg);
415 static void hpt_pci_intr(void *arg);
416
cmdext_get(PVBUS_EXT vbus_ext)417 static __inline POS_CMDEXT cmdext_get(PVBUS_EXT vbus_ext)
418 {
419 POS_CMDEXT p = vbus_ext->cmdext_list;
420 if (p)
421 vbus_ext->cmdext_list = p->next;
422 return p;
423 }
424
cmdext_put(POS_CMDEXT p)425 static __inline void cmdext_put(POS_CMDEXT p)
426 {
427 p->next = p->vbus_ext->cmdext_list;
428 p->vbus_ext->cmdext_list = p;
429 }
430
hpt_timeout(void * arg)431 static void hpt_timeout(void *arg)
432 {
433 PCOMMAND pCmd = (PCOMMAND)arg;
434 POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
435
436 KdPrint(("pCmd %p timeout", pCmd));
437
438 ldm_reset_vbus((PVBUS)ext->vbus_ext->vbus);
439 }
440
os_cmddone(PCOMMAND pCmd)441 static void os_cmddone(PCOMMAND pCmd)
442 {
443 POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
444 union ccb *ccb = ext->ccb;
445
446 KdPrint(("<8>os_cmddone(%p, %d)", pCmd, pCmd->Result));
447 callout_stop(&ext->timeout);
448 switch(pCmd->Result) {
449 case RETURN_SUCCESS:
450 ccb->ccb_h.status = CAM_REQ_CMP;
451 break;
452 case RETURN_BAD_DEVICE:
453 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
454 break;
455 case RETURN_DEVICE_BUSY:
456 ccb->ccb_h.status = CAM_BUSY;
457 break;
458 case RETURN_INVALID_REQUEST:
459 ccb->ccb_h.status = CAM_REQ_INVALID;
460 break;
461 case RETURN_SELECTION_TIMEOUT:
462 ccb->ccb_h.status = CAM_SEL_TIMEOUT;
463 break;
464 case RETURN_RETRY:
465 ccb->ccb_h.status = CAM_BUSY;
466 break;
467 default:
468 ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR;
469 break;
470 }
471
472 if (pCmd->flags.data_in) {
473 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_POSTREAD);
474 }
475 else if (pCmd->flags.data_out) {
476 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_POSTWRITE);
477 }
478
479 bus_dmamap_unload(ext->vbus_ext->io_dmat, ext->dma_map);
480
481 cmdext_put(ext);
482 ldm_free_cmds(pCmd);
483 xpt_done(ccb);
484 }
485
os_buildsgl(PCOMMAND pCmd,PSG pSg,int logical)486 static int os_buildsgl(PCOMMAND pCmd, PSG pSg, int logical)
487 {
488 POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
489 union ccb *ccb = ext->ccb;
490
491 if(logical) {
492 os_set_sgptr(pSg, (HPT_U8 *)ccb->csio.data_ptr);
493 pSg->size = ccb->csio.dxfer_len;
494 pSg->eot = 1;
495 return TRUE;
496 }
497 /* since we have provided physical sg, nobody will ask us to build physical sg */
498 HPT_ASSERT(0);
499 return FALSE;
500 }
501
hpt_io_dmamap_callback(void * arg,bus_dma_segment_t * segs,int nsegs,int error)502 static void hpt_io_dmamap_callback(void *arg, bus_dma_segment_t *segs, int nsegs, int error)
503 {
504 PCOMMAND pCmd = (PCOMMAND)arg;
505 POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
506 PSG psg = pCmd->psg;
507 int idx;
508
509 HPT_ASSERT(pCmd->flags.physical_sg);
510
511 if (error)
512 panic("busdma error");
513
514 HPT_ASSERT(nsegs<=os_max_sg_descriptors);
515
516 if (nsegs != 0) {
517 for (idx = 0; idx < nsegs; idx++, psg++) {
518 psg->addr.bus = segs[idx].ds_addr;
519 psg->size = segs[idx].ds_len;
520 psg->eot = 0;
521 }
522 psg[-1].eot = 1;
523
524 if (pCmd->flags.data_in) {
525 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map,
526 BUS_DMASYNC_PREREAD);
527 }
528 else if (pCmd->flags.data_out) {
529 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map,
530 BUS_DMASYNC_PREWRITE);
531 }
532 }
533 callout_reset(&ext->timeout, HPT_OSM_TIMEOUT, hpt_timeout, pCmd);
534 ldm_queue_cmd(pCmd);
535 }
536
hpt_scsi_io(PVBUS_EXT vbus_ext,union ccb * ccb)537 static void hpt_scsi_io(PVBUS_EXT vbus_ext, union ccb *ccb)
538 {
539 PVBUS vbus = (PVBUS)vbus_ext->vbus;
540 PVDEV vd;
541 PCOMMAND pCmd;
542 POS_CMDEXT ext;
543 HPT_U8 *cdb;
544 int error;
545
546 if (ccb->ccb_h.flags & CAM_CDB_POINTER)
547 cdb = ccb->csio.cdb_io.cdb_ptr;
548 else
549 cdb = ccb->csio.cdb_io.cdb_bytes;
550
551 KdPrint(("<8>hpt_scsi_io: ccb %x id %d lun %d cdb %x-%x-%x",
552 ccb,
553 ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
554 *(HPT_U32 *)&cdb[0], *(HPT_U32 *)&cdb[4], *(HPT_U32 *)&cdb[8]
555 ));
556
557 /* ccb->ccb_h.path_id is not our bus id - don't check it */
558 if (ccb->ccb_h.target_lun != 0 ||
559 ccb->ccb_h.target_id >= osm_max_targets ||
560 (ccb->ccb_h.flags & CAM_CDB_PHYS))
561 {
562 ccb->ccb_h.status = CAM_TID_INVALID;
563 xpt_done(ccb);
564 return;
565 }
566
567 vd = ldm_find_target(vbus, ccb->ccb_h.target_id);
568
569 if (!vd) {
570 ccb->ccb_h.status = CAM_SEL_TIMEOUT;
571 xpt_done(ccb);
572 return;
573 }
574
575 switch (cdb[0]) {
576 case TEST_UNIT_READY:
577 case START_STOP_UNIT:
578 case SYNCHRONIZE_CACHE:
579 ccb->ccb_h.status = CAM_REQ_CMP;
580 break;
581
582 case INQUIRY:
583 {
584 PINQUIRYDATA inquiryData;
585 memset(ccb->csio.data_ptr, 0, ccb->csio.dxfer_len);
586 inquiryData = (PINQUIRYDATA)ccb->csio.data_ptr;
587
588 inquiryData->AdditionalLength = 31;
589 inquiryData->CommandQueue = 1;
590 memcpy(&inquiryData->VendorId, "HPT ", 8);
591 memcpy(&inquiryData->ProductId, "DISK 0_0 ", 16);
592
593 if (vd->target_id / 10) {
594 inquiryData->ProductId[7] = (vd->target_id % 100) / 10 + '0';
595 inquiryData->ProductId[8] = (vd->target_id % 100) % 10 + '0';
596 }
597 else
598 inquiryData->ProductId[7] = (vd->target_id % 100) % 10 + '0';
599
600 memcpy(&inquiryData->ProductRevisionLevel, "4.00", 4);
601
602 ccb->ccb_h.status = CAM_REQ_CMP;
603 }
604 break;
605
606 case READ_CAPACITY:
607 {
608 HPT_U8 *rbuf = ccb->csio.data_ptr;
609 HPT_U32 cap;
610 HPT_U8 sector_size_shift = 0;
611 HPT_U64 new_cap;
612 HPT_U32 sector_size = 0;
613
614 if (mIsArray(vd->type))
615 sector_size_shift = vd->u.array.sector_size_shift;
616 else{
617 if(vd->type == VD_RAW){
618 sector_size = vd->u.raw.logical_sector_size;
619 }
620
621 switch (sector_size) {
622 case 0x1000:
623 KdPrint(("set 4k setctor size in READ_CAPACITY"));
624 sector_size_shift = 3;
625 break;
626 default:
627 break;
628 }
629 }
630 new_cap = vd->capacity >> sector_size_shift;
631
632 if (new_cap > 0xfffffffful)
633 cap = 0xffffffff;
634 else
635 cap = new_cap - 1;
636
637 rbuf[0] = (HPT_U8)(cap>>24);
638 rbuf[1] = (HPT_U8)(cap>>16);
639 rbuf[2] = (HPT_U8)(cap>>8);
640 rbuf[3] = (HPT_U8)cap;
641 rbuf[4] = 0;
642 rbuf[5] = 0;
643 rbuf[6] = 2 << sector_size_shift;
644 rbuf[7] = 0;
645
646 ccb->ccb_h.status = CAM_REQ_CMP;
647 break;
648 }
649 case REPORT_LUNS:
650 {
651 HPT_U8 *rbuf = ccb->csio.data_ptr;
652 memset(rbuf, 0, 16);
653 rbuf[3] = 8;
654 ccb->ccb_h.status = CAM_REQ_CMP;
655 break;
656 }
657 case SERVICE_ACTION_IN:
658 {
659 HPT_U8 *rbuf = ccb->csio.data_ptr;
660 HPT_U64 cap = 0;
661 HPT_U8 sector_size_shift = 0;
662 HPT_U32 sector_size = 0;
663
664 if(mIsArray(vd->type))
665 sector_size_shift = vd->u.array.sector_size_shift;
666 else{
667 if(vd->type == VD_RAW){
668 sector_size = vd->u.raw.logical_sector_size;
669 }
670
671 switch (sector_size) {
672 case 0x1000:
673 KdPrint(("set 4k setctor size in SERVICE_ACTION_IN"));
674 sector_size_shift = 3;
675 break;
676 default:
677 break;
678 }
679 }
680 cap = (vd->capacity >> sector_size_shift) - 1;
681
682 rbuf[0] = (HPT_U8)(cap>>56);
683 rbuf[1] = (HPT_U8)(cap>>48);
684 rbuf[2] = (HPT_U8)(cap>>40);
685 rbuf[3] = (HPT_U8)(cap>>32);
686 rbuf[4] = (HPT_U8)(cap>>24);
687 rbuf[5] = (HPT_U8)(cap>>16);
688 rbuf[6] = (HPT_U8)(cap>>8);
689 rbuf[7] = (HPT_U8)cap;
690 rbuf[8] = 0;
691 rbuf[9] = 0;
692 rbuf[10] = 2 << sector_size_shift;
693 rbuf[11] = 0;
694
695 ccb->ccb_h.status = CAM_REQ_CMP;
696 break;
697 }
698
699 case READ_6:
700 case READ_10:
701 case READ_16:
702 case WRITE_6:
703 case WRITE_10:
704 case WRITE_16:
705 case 0x13:
706 case 0x2f:
707 case 0x8f: /* VERIFY_16 */
708 {
709 HPT_U8 sector_size_shift = 0;
710 HPT_U32 sector_size = 0;
711 pCmd = ldm_alloc_cmds(vbus, vd->cmds_per_request);
712 if(!pCmd){
713 KdPrint(("Failed to allocate command!"));
714 ccb->ccb_h.status = CAM_BUSY;
715 break;
716 }
717
718 switch (cdb[0]) {
719 case READ_6:
720 case WRITE_6:
721 case 0x13:
722 pCmd->uCmd.Ide.Lba = ((HPT_U32)cdb[1] << 16) | ((HPT_U32)cdb[2] << 8) | (HPT_U32)cdb[3];
723 pCmd->uCmd.Ide.nSectors = (HPT_U16) cdb[4];
724 break;
725 case READ_16:
726 case WRITE_16:
727 case 0x8f: /* VERIFY_16 */
728 {
729 HPT_U64 block =
730 ((HPT_U64)cdb[2]<<56) |
731 ((HPT_U64)cdb[3]<<48) |
732 ((HPT_U64)cdb[4]<<40) |
733 ((HPT_U64)cdb[5]<<32) |
734 ((HPT_U64)cdb[6]<<24) |
735 ((HPT_U64)cdb[7]<<16) |
736 ((HPT_U64)cdb[8]<<8) |
737 ((HPT_U64)cdb[9]);
738 pCmd->uCmd.Ide.Lba = block;
739 pCmd->uCmd.Ide.nSectors = (HPT_U16)cdb[13] | ((HPT_U16)cdb[12]<<8);
740 break;
741 }
742
743 default:
744 pCmd->uCmd.Ide.Lba = (HPT_U32)cdb[5] | ((HPT_U32)cdb[4] << 8) | ((HPT_U32)cdb[3] << 16) | ((HPT_U32)cdb[2] << 24);
745 pCmd->uCmd.Ide.nSectors = (HPT_U16) cdb[8] | ((HPT_U16)cdb[7]<<8);
746 break;
747 }
748
749 if(mIsArray(vd->type)) {
750 sector_size_shift = vd->u.array.sector_size_shift;
751 }
752 else{
753 if(vd->type == VD_RAW){
754 sector_size = vd->u.raw.logical_sector_size;
755 }
756
757 switch (sector_size) {
758 case 0x1000:
759 KdPrint(("<8>resize sector size from 4k to 512"));
760 sector_size_shift = 3;
761 break;
762 default:
763 break;
764 }
765 }
766 pCmd->uCmd.Ide.Lba <<= sector_size_shift;
767 pCmd->uCmd.Ide.nSectors <<= sector_size_shift;
768
769
770 switch (cdb[0]) {
771 case READ_6:
772 case READ_10:
773 case READ_16:
774 pCmd->flags.data_in = 1;
775 break;
776 case WRITE_6:
777 case WRITE_10:
778 case WRITE_16:
779 pCmd->flags.data_out = 1;
780 break;
781 }
782 pCmd->priv = ext = cmdext_get(vbus_ext);
783 HPT_ASSERT(ext);
784 ext->ccb = ccb;
785 pCmd->target = vd;
786 pCmd->done = os_cmddone;
787 pCmd->buildsgl = os_buildsgl;
788
789 pCmd->psg = ext->psg;
790 pCmd->flags.physical_sg = 1;
791 error = bus_dmamap_load_ccb(vbus_ext->io_dmat,
792 ext->dma_map, ccb,
793 hpt_io_dmamap_callback, pCmd,
794 BUS_DMA_WAITOK
795 );
796 KdPrint(("<8>bus_dmamap_load return %d", error));
797 if (error && error!=EINPROGRESS) {
798 os_printk("bus_dmamap_load error %d", error);
799 cmdext_put(ext);
800 ldm_free_cmds(pCmd);
801 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
802 xpt_done(ccb);
803 }
804 return;
805 }
806
807 default:
808 ccb->ccb_h.status = CAM_REQ_INVALID;
809 break;
810 }
811
812 xpt_done(ccb);
813 return;
814 }
815
hpt_action(struct cam_sim * sim,union ccb * ccb)816 static void hpt_action(struct cam_sim *sim, union ccb *ccb)
817 {
818 PVBUS_EXT vbus_ext = (PVBUS_EXT)cam_sim_softc(sim);
819
820 KdPrint(("<8>hpt_action(fn=%d, id=%d)", ccb->ccb_h.func_code, ccb->ccb_h.target_id));
821
822 hpt_assert_vbus_locked(vbus_ext);
823 switch (ccb->ccb_h.func_code) {
824
825 case XPT_SCSI_IO:
826 hpt_scsi_io(vbus_ext, ccb);
827 return;
828
829 case XPT_RESET_BUS:
830 ldm_reset_vbus((PVBUS)vbus_ext->vbus);
831 break;
832
833 case XPT_GET_TRAN_SETTINGS:
834 case XPT_SET_TRAN_SETTINGS:
835 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
836 break;
837
838 case XPT_CALC_GEOMETRY:
839 ccb->ccg.heads = 255;
840 ccb->ccg.secs_per_track = 63;
841 ccb->ccg.cylinders = ccb->ccg.volume_size / (ccb->ccg.heads * ccb->ccg.secs_per_track);
842 ccb->ccb_h.status = CAM_REQ_CMP;
843 break;
844
845 case XPT_PATH_INQ:
846 {
847 struct ccb_pathinq *cpi = &ccb->cpi;
848
849 cpi->version_num = 1;
850 cpi->hba_inquiry = PI_SDTR_ABLE;
851 cpi->target_sprt = 0;
852 cpi->hba_misc = PIM_NOBUSRESET;
853 cpi->hba_eng_cnt = 0;
854 cpi->max_target = osm_max_targets;
855 cpi->max_lun = 0;
856 cpi->unit_number = cam_sim_unit(sim);
857 cpi->bus_id = cam_sim_bus(sim);
858 cpi->initiator_id = osm_max_targets;
859 cpi->base_transfer_speed = 3300;
860
861 strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
862 strlcpy(cpi->hba_vid, "HPT ", HBA_IDLEN);
863 strlcpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
864 cpi->transport = XPORT_SPI;
865 cpi->transport_version = 2;
866 cpi->protocol = PROTO_SCSI;
867 cpi->protocol_version = SCSI_REV_2;
868 cpi->ccb_h.status = CAM_REQ_CMP;
869 break;
870 }
871
872 default:
873 ccb->ccb_h.status = CAM_REQ_INVALID;
874 break;
875 }
876
877 xpt_done(ccb);
878 return;
879 }
880
hpt_pci_intr(void * arg)881 static void hpt_pci_intr(void *arg)
882 {
883 PVBUS_EXT vbus_ext = (PVBUS_EXT)arg;
884 hpt_lock_vbus(vbus_ext);
885 ldm_intr((PVBUS)vbus_ext->vbus);
886 hpt_unlock_vbus(vbus_ext);
887 }
888
hpt_poll(struct cam_sim * sim)889 static void hpt_poll(struct cam_sim *sim)
890 {
891 PVBUS_EXT vbus_ext = (PVBUS_EXT)cam_sim_softc(sim);
892
893 hpt_assert_vbus_locked(vbus_ext);
894 ldm_intr((PVBUS)vbus_ext->vbus);
895 }
896
hpt_async(void * callback_arg,u_int32_t code,struct cam_path * path,void * arg)897 static void hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path, void * arg)
898 {
899 KdPrint(("<8>hpt_async"));
900 }
901
hpt_shutdown(device_t dev)902 static int hpt_shutdown(device_t dev)
903 {
904 KdPrint(("hpt_shutdown(dev=%p)", dev));
905 return 0;
906 }
907
hpt_detach(device_t dev)908 static int hpt_detach(device_t dev)
909 {
910 /* we don't allow the driver to be unloaded. */
911 return EBUSY;
912 }
913
hpt_ioctl_done(struct _IOCTL_ARG * arg)914 static void hpt_ioctl_done(struct _IOCTL_ARG *arg)
915 {
916 arg->ioctl_cmnd = 0;
917 wakeup(arg);
918 }
919
__hpt_do_ioctl(PVBUS_EXT vbus_ext,IOCTL_ARG * ioctl_args)920 static void __hpt_do_ioctl(PVBUS_EXT vbus_ext, IOCTL_ARG *ioctl_args)
921 {
922 ioctl_args->result = -1;
923 ioctl_args->done = hpt_ioctl_done;
924 ioctl_args->ioctl_cmnd = (void *)1;
925
926 hpt_lock_vbus(vbus_ext);
927 ldm_ioctl((PVBUS)vbus_ext->vbus, ioctl_args);
928
929 while (ioctl_args->ioctl_cmnd) {
930 if (hpt_sleep(vbus_ext, ioctl_args, PPAUSE, "hptctl", HPT_OSM_TIMEOUT)==0)
931 break;
932 ldm_reset_vbus((PVBUS)vbus_ext->vbus);
933 __hpt_do_tasks(vbus_ext);
934 }
935
936 /* KdPrint(("ioctl %x result %d", ioctl_args->dwIoControlCode, ioctl_args->result)); */
937
938 hpt_unlock_vbus(vbus_ext);
939 }
940
hpt_do_ioctl(IOCTL_ARG * ioctl_args)941 static void hpt_do_ioctl(IOCTL_ARG *ioctl_args)
942 {
943 PVBUS vbus;
944 PVBUS_EXT vbus_ext;
945
946 ldm_for_each_vbus(vbus, vbus_ext) {
947 __hpt_do_ioctl(vbus_ext, ioctl_args);
948 if (ioctl_args->result!=HPT_IOCTL_RESULT_WRONG_VBUS)
949 return;
950 }
951 }
952
953 #define HPT_DO_IOCTL(code, inbuf, insize, outbuf, outsize) ({\
954 IOCTL_ARG arg;\
955 arg.dwIoControlCode = code;\
956 arg.lpInBuffer = inbuf;\
957 arg.lpOutBuffer = outbuf;\
958 arg.nInBufferSize = insize;\
959 arg.nOutBufferSize = outsize;\
960 arg.lpBytesReturned = 0;\
961 hpt_do_ioctl(&arg);\
962 arg.result;\
963 })
964
965 #define DEVICEID_VALID(id) ((id) && ((HPT_U32)(id)!=0xffffffff))
966
hpt_get_logical_devices(DEVICEID * pIds,int nMaxCount)967 static int hpt_get_logical_devices(DEVICEID * pIds, int nMaxCount)
968 {
969 int i;
970 HPT_U32 count = nMaxCount-1;
971
972 if (HPT_DO_IOCTL(HPT_IOCTL_GET_LOGICAL_DEVICES,
973 &count, sizeof(HPT_U32), pIds, sizeof(DEVICEID)*nMaxCount))
974 return -1;
975
976 nMaxCount = (int)pIds[0];
977 for (i=0; i<nMaxCount; i++) pIds[i] = pIds[i+1];
978 return nMaxCount;
979 }
980
hpt_get_device_info_v3(DEVICEID id,PLOGICAL_DEVICE_INFO_V3 pInfo)981 static int hpt_get_device_info_v3(DEVICEID id, PLOGICAL_DEVICE_INFO_V3 pInfo)
982 {
983 return HPT_DO_IOCTL(HPT_IOCTL_GET_DEVICE_INFO_V3,
984 &id, sizeof(DEVICEID), pInfo, sizeof(LOGICAL_DEVICE_INFO_V3));
985 }
986
987 /* not belong to this file logically, but we want to use ioctl interface */
__hpt_stop_tasks(PVBUS_EXT vbus_ext,DEVICEID id)988 static int __hpt_stop_tasks(PVBUS_EXT vbus_ext, DEVICEID id)
989 {
990 LOGICAL_DEVICE_INFO_V3 devinfo;
991 int i, result;
992 DEVICEID param[2] = { id, 0 };
993
994 if (hpt_get_device_info_v3(id, &devinfo))
995 return -1;
996
997 if (devinfo.Type!=LDT_ARRAY)
998 return -1;
999
1000 if (devinfo.u.array.Flags & ARRAY_FLAG_REBUILDING)
1001 param[1] = AS_REBUILD_ABORT;
1002 else if (devinfo.u.array.Flags & ARRAY_FLAG_VERIFYING)
1003 param[1] = AS_VERIFY_ABORT;
1004 else if (devinfo.u.array.Flags & ARRAY_FLAG_INITIALIZING)
1005 param[1] = AS_INITIALIZE_ABORT;
1006 else if (devinfo.u.array.Flags & ARRAY_FLAG_TRANSFORMING)
1007 param[1] = AS_TRANSFORM_ABORT;
1008 else
1009 return -1;
1010
1011 KdPrint(("SET_ARRAY_STATE(%x, %d)", param[0], param[1]));
1012 result = HPT_DO_IOCTL(HPT_IOCTL_SET_ARRAY_STATE,
1013 param, sizeof(param), 0, 0);
1014
1015 for (i=0; i<devinfo.u.array.nDisk; i++)
1016 if (DEVICEID_VALID(devinfo.u.array.Members[i]))
1017 __hpt_stop_tasks(vbus_ext, devinfo.u.array.Members[i]);
1018
1019 return result;
1020 }
1021
hpt_stop_tasks(PVBUS_EXT vbus_ext)1022 static void hpt_stop_tasks(PVBUS_EXT vbus_ext)
1023 {
1024 DEVICEID ids[32];
1025 int i, count;
1026
1027 count = hpt_get_logical_devices((DEVICEID *)&ids, sizeof(ids)/sizeof(ids[0]));
1028
1029 for (i=0; i<count; i++)
1030 __hpt_stop_tasks(vbus_ext, ids[i]);
1031 }
1032
1033 static d_open_t hpt_open;
1034 static d_close_t hpt_close;
1035 static d_ioctl_t hpt_ioctl;
1036 static int hpt_rescan_bus(void);
1037
1038 static struct cdevsw hpt_cdevsw = {
1039 .d_open = hpt_open,
1040 .d_close = hpt_close,
1041 .d_ioctl = hpt_ioctl,
1042 .d_name = driver_name,
1043 .d_version = D_VERSION,
1044 };
1045
1046 static struct intr_config_hook hpt_ich;
1047
1048 /*
1049 * hpt_final_init will be called after all hpt_attach.
1050 */
hpt_final_init(void * dummy)1051 static void hpt_final_init(void *dummy)
1052 {
1053 int i,unit_number=0;
1054 PVBUS_EXT vbus_ext;
1055 PVBUS vbus;
1056 PHBA hba;
1057
1058 /* Clear the config hook */
1059 config_intrhook_disestablish(&hpt_ich);
1060
1061 /* allocate memory */
1062 i = 0;
1063 ldm_for_each_vbus(vbus, vbus_ext) {
1064 if (hpt_alloc_mem(vbus_ext)) {
1065 os_printk("out of memory");
1066 return;
1067 }
1068 i++;
1069 }
1070
1071 if (!i) {
1072 if (bootverbose)
1073 os_printk("no controller detected.");
1074 return;
1075 }
1076
1077 /* initializing hardware */
1078 ldm_for_each_vbus(vbus, vbus_ext) {
1079 /* make timer available here */
1080 mtx_init(&vbus_ext->lock, "hptsleeplock", NULL, MTX_DEF);
1081 callout_init_mtx(&vbus_ext->timer, &vbus_ext->lock, 0);
1082 if (hpt_init_vbus(vbus_ext)) {
1083 os_printk("fail to initialize hardware");
1084 break; /* FIXME */
1085 }
1086 }
1087
1088 /* register CAM interface */
1089 ldm_for_each_vbus(vbus, vbus_ext) {
1090 struct cam_devq *devq;
1091 struct ccb_setasync ccb;
1092
1093 if (bus_dma_tag_create(NULL,/* parent */
1094 4, /* alignment */
1095 BUS_SPACE_MAXADDR_32BIT+1, /* boundary */
1096 BUS_SPACE_MAXADDR, /* lowaddr */
1097 BUS_SPACE_MAXADDR, /* highaddr */
1098 NULL, NULL, /* filter, filterarg */
1099 PAGE_SIZE * (os_max_sg_descriptors-1), /* maxsize */
1100 os_max_sg_descriptors, /* nsegments */
1101 0x10000, /* maxsegsize */
1102 BUS_DMA_WAITOK, /* flags */
1103 busdma_lock_mutex, /* lockfunc */
1104 &vbus_ext->lock, /* lockfuncarg */
1105 &vbus_ext->io_dmat /* tag */))
1106 {
1107 return ;
1108 }
1109
1110 for (i=0; i<os_max_queue_comm; i++) {
1111 POS_CMDEXT ext = (POS_CMDEXT)malloc(sizeof(OS_CMDEXT), M_DEVBUF, M_WAITOK);
1112 if (!ext) {
1113 os_printk("Can't alloc cmdext(%d)", i);
1114 return ;
1115 }
1116 ext->vbus_ext = vbus_ext;
1117 ext->next = vbus_ext->cmdext_list;
1118 vbus_ext->cmdext_list = ext;
1119
1120 if (bus_dmamap_create(vbus_ext->io_dmat, 0, &ext->dma_map)) {
1121 os_printk("Can't create dma map(%d)", i);
1122 return ;
1123 }
1124 callout_init_mtx(&ext->timeout, &vbus_ext->lock, 0);
1125 }
1126
1127 if ((devq = cam_simq_alloc(os_max_queue_comm)) == NULL) {
1128 os_printk("cam_simq_alloc failed");
1129 return ;
1130 }
1131 vbus_ext->sim = cam_sim_alloc(hpt_action, hpt_poll, driver_name,
1132 vbus_ext, unit_number, &vbus_ext->lock, os_max_queue_comm, /*tagged*/8, devq);
1133 unit_number++;
1134 if (!vbus_ext->sim) {
1135 os_printk("cam_sim_alloc failed");
1136 cam_simq_free(devq);
1137 return ;
1138 }
1139
1140 hpt_lock_vbus(vbus_ext);
1141 if (xpt_bus_register(vbus_ext->sim, NULL, 0) != CAM_SUCCESS) {
1142 hpt_unlock_vbus(vbus_ext);
1143 os_printk("xpt_bus_register failed");
1144 cam_sim_free(vbus_ext->sim, /*free devq*/ TRUE);
1145 vbus_ext->sim = NULL;
1146 return ;
1147 }
1148
1149 if (xpt_create_path(&vbus_ext->path, /*periph */ NULL,
1150 cam_sim_path(vbus_ext->sim), CAM_TARGET_WILDCARD,
1151 CAM_LUN_WILDCARD) != CAM_REQ_CMP)
1152 {
1153 hpt_unlock_vbus(vbus_ext);
1154 os_printk("xpt_create_path failed");
1155 xpt_bus_deregister(cam_sim_path(vbus_ext->sim));
1156 cam_sim_free(vbus_ext->sim, /*free_devq*/TRUE);
1157 vbus_ext->sim = NULL;
1158 return ;
1159 }
1160
1161 memset(&ccb, 0, sizeof(ccb));
1162 xpt_setup_ccb(&ccb.ccb_h, vbus_ext->path, /*priority*/5);
1163 ccb.ccb_h.func_code = XPT_SASYNC_CB;
1164 ccb.event_enable = AC_LOST_DEVICE;
1165 ccb.callback = hpt_async;
1166 ccb.callback_arg = vbus_ext;
1167 xpt_action((union ccb *)&ccb);
1168 hpt_unlock_vbus(vbus_ext);
1169
1170 for (hba = vbus_ext->hba_list; hba; hba = hba->next) {
1171 int rid = 0;
1172 if ((hba->irq_res = bus_alloc_resource_any(hba->pcidev,
1173 SYS_RES_IRQ, &rid, RF_SHAREABLE | RF_ACTIVE)) == NULL)
1174 {
1175 os_printk("can't allocate interrupt");
1176 return ;
1177 }
1178 if (bus_setup_intr(hba->pcidev, hba->irq_res, INTR_TYPE_CAM | INTR_MPSAFE,
1179 NULL, hpt_pci_intr, vbus_ext, &hba->irq_handle))
1180 {
1181 os_printk("can't set up interrupt");
1182 return ;
1183 }
1184 hba->ldm_adapter.him->intr_control(hba->ldm_adapter.him_handle, HPT_TRUE);
1185
1186 }
1187
1188 vbus_ext->shutdown_eh = EVENTHANDLER_REGISTER(shutdown_final,
1189 hpt_shutdown_vbus, vbus_ext, SHUTDOWN_PRI_DEFAULT);
1190 if (!vbus_ext->shutdown_eh)
1191 os_printk("Shutdown event registration failed");
1192 }
1193
1194 ldm_for_each_vbus(vbus, vbus_ext) {
1195 TASK_INIT(&vbus_ext->worker, 0, (task_fn_t *)hpt_do_tasks, vbus_ext);
1196 if (vbus_ext->tasks)
1197 TASK_ENQUEUE(&vbus_ext->worker);
1198 }
1199
1200 make_dev(&hpt_cdevsw, DRIVER_MINOR, UID_ROOT, GID_OPERATOR,
1201 S_IRUSR | S_IWUSR, "%s", driver_name);
1202 }
1203
1204 #if defined(KLD_MODULE)
1205
1206 typedef struct driverlink *driverlink_t;
1207 struct driverlink {
1208 kobj_class_t driver;
1209 TAILQ_ENTRY(driverlink) link; /* list of drivers in devclass */
1210 };
1211
1212 typedef TAILQ_HEAD(driver_list, driverlink) driver_list_t;
1213
1214 struct devclass {
1215 TAILQ_ENTRY(devclass) link;
1216 devclass_t parent; /* parent in devclass hierarchy */
1217 driver_list_t drivers; /* bus devclasses store drivers for bus */
1218 char *name;
1219 device_t *devices; /* array of devices indexed by unit */
1220 int maxunit; /* size of devices array */
1221 };
1222
override_kernel_driver(void)1223 static void override_kernel_driver(void)
1224 {
1225 driverlink_t dl, dlfirst;
1226 driver_t *tmpdriver;
1227 devclass_t dc = devclass_find("pci");
1228
1229 if (dc){
1230 dlfirst = TAILQ_FIRST(&dc->drivers);
1231 for (dl = dlfirst; dl; dl = TAILQ_NEXT(dl, link)) {
1232 if(strcmp(dl->driver->name, driver_name) == 0) {
1233 tmpdriver=dl->driver;
1234 dl->driver=dlfirst->driver;
1235 dlfirst->driver=tmpdriver;
1236 break;
1237 }
1238 }
1239 }
1240 }
1241
1242 #else
1243 #define override_kernel_driver()
1244 #endif
1245
hpt_init(void * dummy)1246 static void hpt_init(void *dummy)
1247 {
1248 if (bootverbose)
1249 os_printk("%s %s", driver_name_long, driver_ver);
1250
1251 override_kernel_driver();
1252 init_config();
1253
1254 hpt_ich.ich_func = hpt_final_init;
1255 hpt_ich.ich_arg = NULL;
1256 if (config_intrhook_establish(&hpt_ich) != 0) {
1257 printf("%s: cannot establish configuration hook\n",
1258 driver_name_long);
1259 }
1260
1261 }
1262 SYSINIT(hptinit, SI_SUB_CONFIGURE, SI_ORDER_FIRST, hpt_init, NULL);
1263
1264 /*
1265 * CAM driver interface
1266 */
1267 static device_method_t driver_methods[] = {
1268 /* Device interface */
1269 DEVMETHOD(device_probe, hpt_probe),
1270 DEVMETHOD(device_attach, hpt_attach),
1271 DEVMETHOD(device_detach, hpt_detach),
1272 DEVMETHOD(device_shutdown, hpt_shutdown),
1273 { 0, 0 }
1274 };
1275
1276 static driver_t hpt_pci_driver = {
1277 driver_name,
1278 driver_methods,
1279 sizeof(HBA)
1280 };
1281
1282 #ifndef TARGETNAME
1283 #error "no TARGETNAME found"
1284 #endif
1285
1286 /* use this to make TARGETNAME be expanded */
1287 #define __DRIVER_MODULE(p1, p2, p3, p4, p5) DRIVER_MODULE(p1, p2, p3, p4, p5)
1288 #define __MODULE_VERSION(p1, p2) MODULE_VERSION(p1, p2)
1289 #define __MODULE_DEPEND(p1, p2, p3, p4, p5) MODULE_DEPEND(p1, p2, p3, p4, p5)
1290 __DRIVER_MODULE(TARGETNAME, pci, hpt_pci_driver, 0, 0);
1291 __MODULE_VERSION(TARGETNAME, 1);
1292 __MODULE_DEPEND(TARGETNAME, cam, 1, 1, 1);
1293
hpt_open(struct cdev * dev,int flags,int devtype,struct thread * td)1294 static int hpt_open(struct cdev *dev, int flags, int devtype, struct thread *td)
1295 {
1296 return 0;
1297 }
1298
hpt_close(struct cdev * dev,int flags,int devtype,struct thread * td)1299 static int hpt_close(struct cdev *dev, int flags, int devtype, struct thread *td)
1300 {
1301 return 0;
1302 }
1303
hpt_ioctl(struct cdev * dev,u_long cmd,caddr_t data,int fflag,struct thread * td)1304 static int hpt_ioctl(struct cdev *dev, u_long cmd, caddr_t data, int fflag, struct thread *td)
1305 {
1306 PHPT_IOCTL_PARAM piop=(PHPT_IOCTL_PARAM)data;
1307 IOCTL_ARG ioctl_args;
1308 HPT_U32 bytesReturned = 0;
1309
1310 switch (cmd){
1311 case HPT_DO_IOCONTROL:
1312 {
1313 if (piop->Magic == HPT_IOCTL_MAGIC || piop->Magic == HPT_IOCTL_MAGIC32) {
1314 KdPrint(("<8>ioctl=%x in=%p len=%d out=%p len=%d\n",
1315 piop->dwIoControlCode,
1316 piop->lpInBuffer,
1317 piop->nInBufferSize,
1318 piop->lpOutBuffer,
1319 piop->nOutBufferSize));
1320
1321 memset(&ioctl_args, 0, sizeof(ioctl_args));
1322
1323 ioctl_args.dwIoControlCode = piop->dwIoControlCode;
1324 ioctl_args.nInBufferSize = piop->nInBufferSize;
1325 ioctl_args.nOutBufferSize = piop->nOutBufferSize;
1326 ioctl_args.lpBytesReturned = &bytesReturned;
1327
1328 if (ioctl_args.nInBufferSize) {
1329 ioctl_args.lpInBuffer = malloc(ioctl_args.nInBufferSize, M_DEVBUF, M_WAITOK);
1330 if (!ioctl_args.lpInBuffer)
1331 goto invalid;
1332 if (copyin((void*)piop->lpInBuffer,
1333 ioctl_args.lpInBuffer, piop->nInBufferSize))
1334 goto invalid;
1335 }
1336
1337 if (ioctl_args.nOutBufferSize) {
1338 ioctl_args.lpOutBuffer = malloc(ioctl_args.nOutBufferSize, M_DEVBUF, M_WAITOK | M_ZERO);
1339 if (!ioctl_args.lpOutBuffer)
1340 goto invalid;
1341 }
1342
1343 hpt_do_ioctl(&ioctl_args);
1344
1345 if (ioctl_args.result==HPT_IOCTL_RESULT_OK) {
1346 if (piop->nOutBufferSize) {
1347 if (copyout(ioctl_args.lpOutBuffer,
1348 (void*)piop->lpOutBuffer, piop->nOutBufferSize))
1349 goto invalid;
1350 }
1351 if (piop->lpBytesReturned) {
1352 if (copyout(&bytesReturned,
1353 (void*)piop->lpBytesReturned, sizeof(HPT_U32)))
1354 goto invalid;
1355 }
1356 if (ioctl_args.lpInBuffer) free(ioctl_args.lpInBuffer, M_DEVBUF);
1357 if (ioctl_args.lpOutBuffer) free(ioctl_args.lpOutBuffer, M_DEVBUF);
1358 return 0;
1359 }
1360 invalid:
1361 if (ioctl_args.lpInBuffer) free(ioctl_args.lpInBuffer, M_DEVBUF);
1362 if (ioctl_args.lpOutBuffer) free(ioctl_args.lpOutBuffer, M_DEVBUF);
1363 return EFAULT;
1364 }
1365 return EFAULT;
1366 }
1367
1368 case HPT_SCAN_BUS:
1369 {
1370 return hpt_rescan_bus();
1371 }
1372 default:
1373 KdPrint(("invalid command!"));
1374 return EFAULT;
1375 }
1376
1377 }
1378
hpt_rescan_bus(void)1379 static int hpt_rescan_bus(void)
1380 {
1381 union ccb *ccb;
1382 PVBUS vbus;
1383 PVBUS_EXT vbus_ext;
1384
1385 ldm_for_each_vbus(vbus, vbus_ext) {
1386 if ((ccb = xpt_alloc_ccb()) == NULL)
1387 {
1388 return(ENOMEM);
1389 }
1390 if (xpt_create_path(&ccb->ccb_h.path, NULL, cam_sim_path(vbus_ext->sim),
1391 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP)
1392 {
1393 xpt_free_ccb(ccb);
1394 return(EIO);
1395 }
1396 xpt_rescan(ccb);
1397 }
1398 return(0);
1399 }
1400
1401