29 */
30#include <dev/hptnr/hptnr_config.h>
31#include <dev/hptnr/os_bsd.h>
32#include <dev/hptnr/hptintf.h>
33
34static int hpt_probe(device_t dev)
35{
36 PCI_ID pci_id;
37 HIM *him;
38 int i;
39 PHBA hba;
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 KdPrint(("hpt_probe: adapter at PCI %d:%d:%d, IRQ %d",
48 pci_get_bus(dev), pci_get_slot(dev), pci_get_function(dev), pci_get_irq(dev)
49 ));
50 device_set_desc(dev, him->name);
51 hba = (PHBA)device_get_softc(dev);
52 memset(hba, 0, sizeof(HBA));
53 hba->ext_type = EXT_TYPE_HBA;
54 hba->ldm_adapter.him = him;
55 return 0;
56 }
57 }
58 }
59
60 return (ENXIO);
61}
62
63static int hpt_attach(device_t dev)
64{
65 PHBA hba = (PHBA)device_get_softc(dev);
66 HIM *him = hba->ldm_adapter.him;
67 PCI_ID pci_id;
68 HPT_UINT size;
69 PVBUS vbus;
70 PVBUS_EXT vbus_ext;
71
72 KdPrint(("hpt_attach(%d/%d/%d)", pci_get_bus(dev), pci_get_slot(dev), pci_get_function(dev)));
73
74#if __FreeBSD_version >=440000
75 pci_enable_busmaster(dev);
76#endif
77
78 pci_id.vid = pci_get_vendor(dev);
79 pci_id.did = pci_get_device(dev);
80 pci_id.rev = pci_get_revid(dev);
81 pci_id.subsys = (HPT_U32)(pci_get_subdevice(dev)) << 16 | pci_get_subvendor(dev);
82
83 size = him->get_adapter_size(&pci_id);
84 hba->ldm_adapter.him_handle = malloc(size, M_DEVBUF, M_WAITOK);
85 if (!hba->ldm_adapter.him_handle)
86 return ENXIO;
87
88 hba->pcidev = dev;
89 hba->pciaddr.tree = 0;
90 hba->pciaddr.bus = pci_get_bus(dev);
91 hba->pciaddr.device = pci_get_slot(dev);
92 hba->pciaddr.function = pci_get_function(dev);
93
94 if (!him->create_adapter(&pci_id, hba->pciaddr, hba->ldm_adapter.him_handle, hba)) {
95 free(hba->ldm_adapter.him_handle, M_DEVBUF);
96 return -1;
97 }
98
99 os_printk("adapter at PCI %d:%d:%d, IRQ %d",
100 hba->pciaddr.bus, hba->pciaddr.device, hba->pciaddr.function, pci_get_irq(dev));
101
102 if (!ldm_register_adapter(&hba->ldm_adapter)) {
103 size = ldm_get_vbus_size();
104 vbus_ext = malloc(sizeof(VBUS_EXT) + size, M_DEVBUF, M_WAITOK);
105 if (!vbus_ext) {
106 free(hba->ldm_adapter.him_handle, M_DEVBUF);
107 return -1;
108 }
109 memset(vbus_ext, 0, sizeof(VBUS_EXT));
110 vbus_ext->ext_type = EXT_TYPE_VBUS;
111 ldm_create_vbus((PVBUS)vbus_ext->vbus, vbus_ext);
112 ldm_register_adapter(&hba->ldm_adapter);
113 }
114
115 ldm_for_each_vbus(vbus, vbus_ext) {
116 if (hba->ldm_adapter.vbus==vbus) {
117 hba->vbus_ext = vbus_ext;
118 hba->next = vbus_ext->hba_list;
119 vbus_ext->hba_list = hba;
120 break;
121 }
122 }
123 return 0;
124}
125
126/*
127 * Maybe we'd better to use the bus_dmamem_alloc to alloc DMA memory,
128 * but there are some problems currently (alignment, etc).
129 */
130static __inline void *__get_free_pages(int order)
131{
132 /* don't use low memory - other devices may get starved */
133 return contigmalloc(PAGE_SIZE<<order,
134 M_DEVBUF, M_WAITOK, BUS_SPACE_MAXADDR_24BIT, BUS_SPACE_MAXADDR, PAGE_SIZE, 0);
135}
136
137static __inline void free_pages(void *p, int order)
138{
139 contigfree(p, PAGE_SIZE<<order, M_DEVBUF);
140}
141
142static int hpt_alloc_mem(PVBUS_EXT vbus_ext)
143{
144 PHBA hba;
145 struct freelist *f;
146 HPT_UINT i;
147 void **p;
148
149 for (hba = vbus_ext->hba_list; hba; hba = hba->next)
150 hba->ldm_adapter.him->get_meminfo(hba->ldm_adapter.him_handle);
151
152 ldm_get_mem_info((PVBUS)vbus_ext->vbus, 0);
153
154 for (f=vbus_ext->freelist_head; f; f=f->next) {
155 KdPrint(("%s: %d*%d=%d bytes",
156 f->tag, f->count, f->size, f->count*f->size));
157 for (i=0; i<f->count; i++) {
158 p = (void **)malloc(f->size, M_DEVBUF, M_WAITOK);
159 if (!p) return (ENXIO);
160 *p = f->head;
161 f->head = p;
162 }
163 }
164
165 for (f=vbus_ext->freelist_dma_head; f; f=f->next) {
166 int order, size, j;
167
168 HPT_ASSERT((f->size & (f->alignment-1))==0);
169
170 for (order=0, size=PAGE_SIZE; size<f->size; order++, size<<=1)
171 ;
172
173 KdPrint(("%s: %d*%d=%d bytes, order %d",
174 f->tag, f->count, f->size, f->count*f->size, order));
175 HPT_ASSERT(f->alignment<=PAGE_SIZE);
176
177 for (i=0; i<f->count;) {
178 p = (void **)__get_free_pages(order);
179 if (!p) return -1;
180 for (j = size/f->size; j && i<f->count; i++,j--) {
181 *p = f->head;
182 *(BUS_ADDRESS *)(p+1) = (BUS_ADDRESS)vtophys(p);
183 f->head = p;
184 p = (void **)((unsigned long)p + f->size);
185 }
186 }
187 }
188
189 HPT_ASSERT(PAGE_SIZE==DMAPOOL_PAGE_SIZE);
190
191 for (i=0; i<os_max_cache_pages; i++) {
192 p = (void **)__get_free_pages(0);
193 if (!p) return -1;
194 HPT_ASSERT(((HPT_UPTR)p & (DMAPOOL_PAGE_SIZE-1))==0);
195 dmapool_put_page((PVBUS)vbus_ext->vbus, p, (BUS_ADDRESS)vtophys(p));
196 }
197
198 return 0;
199}
200
201static void hpt_free_mem(PVBUS_EXT vbus_ext)
202{
203 struct freelist *f;
204 void *p;
205 int i;
206 BUS_ADDRESS bus;
207
208 for (f=vbus_ext->freelist_head; f; f=f->next) {
209#if DBG
210 if (f->count!=f->reserved_count) {
211 KdPrint(("memory leak for freelist %s (%d/%d)", f->tag, f->count, f->reserved_count));
212 }
213#endif
214 while ((p=freelist_get(f)))
215 free(p, M_DEVBUF);
216 }
217
218 for (i=0; i<os_max_cache_pages; i++) {
219 p = dmapool_get_page((PVBUS)vbus_ext->vbus, &bus);
220 HPT_ASSERT(p);
221 free_pages(p, 0);
222 }
223
224 for (f=vbus_ext->freelist_dma_head; f; f=f->next) {
225 int order, size;
226#if DBG
227 if (f->count!=f->reserved_count) {
228 KdPrint(("memory leak for dma freelist %s (%d/%d)", f->tag, f->count, f->reserved_count));
229 }
230#endif
231 for (order=0, size=PAGE_SIZE; size<f->size; order++, size<<=1) ;
232
233 while ((p=freelist_get_dma(f, &bus))) {
234 if (order)
235 free_pages(p, order);
236 else {
237 /* can't free immediately since other blocks in this page may still be in the list */
238 if (((HPT_UPTR)p & (PAGE_SIZE-1))==0)
239 dmapool_put_page((PVBUS)vbus_ext->vbus, p, bus);
240 }
241 }
242 }
243
244 while ((p = dmapool_get_page((PVBUS)vbus_ext->vbus, &bus)))
245 free_pages(p, 0);
246}
247
248static int hpt_init_vbus(PVBUS_EXT vbus_ext)
249{
250 PHBA hba;
251
252 for (hba = vbus_ext->hba_list; hba; hba = hba->next)
253 if (!hba->ldm_adapter.him->initialize(hba->ldm_adapter.him_handle)) {
254 KdPrint(("fail to initialize %p", hba));
255 return -1;
256 }
257
258 ldm_initialize_vbus((PVBUS)vbus_ext->vbus, &vbus_ext->hba_list->ldm_adapter);
259 return 0;
260}
261
262static void hpt_flush_done(PCOMMAND pCmd)
263{
264 PVDEV vd = pCmd->target;
265
266 if (mIsArray(vd->type) && vd->u.array.transform && vd!=vd->u.array.transform->target) {
267 vd = vd->u.array.transform->target;
268 HPT_ASSERT(vd);
269 pCmd->target = vd;
270 pCmd->Result = RETURN_PENDING;
271 vdev_queue_cmd(pCmd);
272 return;
273 }
274
275 *(int *)pCmd->priv = 1;
276 wakeup(pCmd);
277}
278
279/*
280 * flush a vdev (without retry).
281 */
282static int hpt_flush_vdev(PVBUS_EXT vbus_ext, PVDEV vd)
283{
284 PCOMMAND pCmd;
285 int result = 0, done;
286 HPT_UINT count;
287
288 KdPrint(("flusing dev %p", vd));
289
290 hpt_lock_vbus(vbus_ext);
291
292 if (mIsArray(vd->type) && vd->u.array.transform)
293 count = MAX(vd->u.array.transform->source->cmds_per_request,
294 vd->u.array.transform->target->cmds_per_request);
295 else
296 count = vd->cmds_per_request;
297
298 pCmd = ldm_alloc_cmds(vd->vbus, count);
299
300 if (!pCmd) {
301 hpt_unlock_vbus(vbus_ext);
302 return -1;
303 }
304
305 pCmd->type = CMD_TYPE_FLUSH;
306 pCmd->flags.hard_flush = 1;
307 pCmd->target = vd;
308 pCmd->done = hpt_flush_done;
309 done = 0;
310 pCmd->priv = &done;
311
312 ldm_queue_cmd(pCmd);
313
314 if (!done) {
315 while (hpt_sleep(vbus_ext, pCmd, PPAUSE, "hptfls", HPT_OSM_TIMEOUT)) {
316 ldm_reset_vbus(vd->vbus);
317 }
318 }
319
320 KdPrint(("flush result %d", pCmd->Result));
321
322 if (pCmd->Result!=RETURN_SUCCESS)
323 result = -1;
324
325 ldm_free_cmds(pCmd);
326
327 hpt_unlock_vbus(vbus_ext);
328
329 return result;
330}
331
332static void hpt_stop_tasks(PVBUS_EXT vbus_ext);
333static void hpt_shutdown_vbus(PVBUS_EXT vbus_ext, int howto)
334{
335 PVBUS vbus = (PVBUS)vbus_ext->vbus;
336 PHBA hba;
337 int i;
338
339 KdPrint(("hpt_shutdown_vbus"));
340
341 /* stop all ctl tasks and disable the worker taskqueue */
342 hpt_stop_tasks(vbus_ext);
343 vbus_ext->worker.ta_context = 0;
344
345 /* flush devices */
346 for (i=0; i<osm_max_targets; i++) {
347 PVDEV vd = ldm_find_target(vbus, i);
348 if (vd) {
349 /* retry once */
350 if (hpt_flush_vdev(vbus_ext, vd))
351 hpt_flush_vdev(vbus_ext, vd);
352 }
353 }
354
355 hpt_lock_vbus(vbus_ext);
356 ldm_shutdown(vbus);
357 hpt_unlock_vbus(vbus_ext);
358
359 ldm_release_vbus(vbus);
360
361 for (hba=vbus_ext->hba_list; hba; hba=hba->next)
362 bus_teardown_intr(hba->pcidev, hba->irq_res, hba->irq_handle);
363
364 hpt_free_mem(vbus_ext);
365
366 while ((hba=vbus_ext->hba_list)) {
367 vbus_ext->hba_list = hba->next;
368 free(hba->ldm_adapter.him_handle, M_DEVBUF);
369 }
370
371 free(vbus_ext, M_DEVBUF);
372 KdPrint(("hpt_shutdown_vbus done"));
373}
374
375static void __hpt_do_tasks(PVBUS_EXT vbus_ext)
376{
377 OSM_TASK *tasks;
378
379 tasks = vbus_ext->tasks;
380 vbus_ext->tasks = 0;
381
382 while (tasks) {
383 OSM_TASK *t = tasks;
384 tasks = t->next;
385 t->next = 0;
386 t->func(vbus_ext->vbus, t->data);
387 }
388}
389
390static void hpt_do_tasks(PVBUS_EXT vbus_ext, int pending)
391{
392 if(vbus_ext){
393 hpt_lock_vbus(vbus_ext);
394 __hpt_do_tasks(vbus_ext);
395 hpt_unlock_vbus(vbus_ext);
396 }
397}
398
399static void hpt_action(struct cam_sim *sim, union ccb *ccb);
400static void hpt_poll(struct cam_sim *sim);
401static void hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path, void * arg);
402static void hpt_pci_intr(void *arg);
403
404static __inline POS_CMDEXT cmdext_get(PVBUS_EXT vbus_ext)
405{
406 POS_CMDEXT p = vbus_ext->cmdext_list;
407 if (p)
408 vbus_ext->cmdext_list = p->next;
409 return p;
410}
411
412static __inline void cmdext_put(POS_CMDEXT p)
413{
414 p->next = p->vbus_ext->cmdext_list;
415 p->vbus_ext->cmdext_list = p;
416}
417
418static void hpt_timeout(void *arg)
419{
420 PCOMMAND pCmd = (PCOMMAND)arg;
421 POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
422
423 KdPrint(("pCmd %p timeout", pCmd));
424
425 ldm_reset_vbus((PVBUS)ext->vbus_ext->vbus);
426}
427
428static void os_cmddone(PCOMMAND pCmd)
429{
430 POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
431 union ccb *ccb = ext->ccb;
432
433 KdPrint(("os_cmddone(%p, %d)", pCmd, pCmd->Result));
434
435 untimeout(hpt_timeout, pCmd, ext->timeout_ch);
436
437 switch(pCmd->Result) {
438 case RETURN_SUCCESS:
439 ccb->ccb_h.status = CAM_REQ_CMP;
440 break;
441 case RETURN_BAD_DEVICE:
442 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
443 break;
444 case RETURN_DEVICE_BUSY:
445 ccb->ccb_h.status = CAM_BUSY;
446 break;
447 case RETURN_INVALID_REQUEST:
448 ccb->ccb_h.status = CAM_REQ_INVALID;
449 break;
450 case RETURN_SELECTION_TIMEOUT:
451 ccb->ccb_h.status = CAM_SEL_TIMEOUT;
452 break;
453 case RETURN_RETRY:
454 ccb->ccb_h.status = CAM_BUSY;
455 break;
456 default:
457 ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR;
458 break;
459 }
460
461 if (pCmd->flags.data_in) {
462 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_POSTREAD);
463 }
464 else if (pCmd->flags.data_out) {
465 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_POSTWRITE);
466 }
467
468 bus_dmamap_unload(ext->vbus_ext->io_dmat, ext->dma_map);
469
470 cmdext_put(ext);
471 ldm_free_cmds(pCmd);
472 xpt_done(ccb);
473}
474
475static int os_buildsgl(PCOMMAND pCmd, PSG pSg, int logical)
476{
477 /* since we have provided physical sg, nobody will ask us to build physical sg */
478 HPT_ASSERT(0);
479 return FALSE;
480}
481
482static void hpt_io_dmamap_callback(void *arg, bus_dma_segment_t *segs, int nsegs, int error)
483{
484 PCOMMAND pCmd = (PCOMMAND)arg;
485 POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
486 PSG psg = pCmd->psg;
487 int idx;
488
489 HPT_ASSERT(pCmd->flags.physical_sg);
490
491 if (error)
492 panic("busdma error");
493
494 HPT_ASSERT(nsegs<=os_max_sg_descriptors);
495
496 if (nsegs != 0) {
497 for (idx = 0; idx < nsegs; idx++, psg++) {
498 psg->addr.bus = segs[idx].ds_addr;
499 psg->size = segs[idx].ds_len;
500 psg->eot = 0;
501 }
502 psg[-1].eot = 1;
503
504 if (pCmd->flags.data_in) {
505 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map,
506 BUS_DMASYNC_PREREAD);
507 }
508 else if (pCmd->flags.data_out) {
509 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map,
510 BUS_DMASYNC_PREWRITE);
511 }
512 }
513
514 ext->timeout_ch = timeout(hpt_timeout, pCmd, HPT_OSM_TIMEOUT);
515 ldm_queue_cmd(pCmd);
516}
517
518static void hpt_scsi_io(PVBUS_EXT vbus_ext, union ccb *ccb)
519{
520 PVBUS vbus = (PVBUS)vbus_ext->vbus;
521 PVDEV vd;
522 PCOMMAND pCmd;
523 POS_CMDEXT ext;
524 HPT_U8 *cdb;
525
526 if (ccb->ccb_h.flags & CAM_CDB_POINTER)
527 cdb = ccb->csio.cdb_io.cdb_ptr;
528 else
529 cdb = ccb->csio.cdb_io.cdb_bytes;
530
531 KdPrint(("hpt_scsi_io: ccb %x id %d lun %d cdb %x-%x-%x",
532 ccb,
533 ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
534 *(HPT_U32 *)&cdb[0], *(HPT_U32 *)&cdb[4], *(HPT_U32 *)&cdb[8]
535 ));
536
537 /* ccb->ccb_h.path_id is not our bus id - don't check it */
538 if (ccb->ccb_h.target_lun != 0 ||
539 ccb->ccb_h.target_id >= osm_max_targets ||
540 (ccb->ccb_h.flags & CAM_CDB_PHYS))
541 {
542 ccb->ccb_h.status = CAM_TID_INVALID;
543 xpt_done(ccb);
544 return;
545 }
546
547 vd = ldm_find_target(vbus, ccb->ccb_h.target_id);
548
549 if (!vd) {
| 29 */
30#include <dev/hptnr/hptnr_config.h>
31#include <dev/hptnr/os_bsd.h>
32#include <dev/hptnr/hptintf.h>
33
34static int hpt_probe(device_t dev)
35{
36 PCI_ID pci_id;
37 HIM *him;
38 int i;
39 PHBA hba;
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 KdPrint(("hpt_probe: adapter at PCI %d:%d:%d, IRQ %d",
48 pci_get_bus(dev), pci_get_slot(dev), pci_get_function(dev), pci_get_irq(dev)
49 ));
50 device_set_desc(dev, him->name);
51 hba = (PHBA)device_get_softc(dev);
52 memset(hba, 0, sizeof(HBA));
53 hba->ext_type = EXT_TYPE_HBA;
54 hba->ldm_adapter.him = him;
55 return 0;
56 }
57 }
58 }
59
60 return (ENXIO);
61}
62
63static int hpt_attach(device_t dev)
64{
65 PHBA hba = (PHBA)device_get_softc(dev);
66 HIM *him = hba->ldm_adapter.him;
67 PCI_ID pci_id;
68 HPT_UINT size;
69 PVBUS vbus;
70 PVBUS_EXT vbus_ext;
71
72 KdPrint(("hpt_attach(%d/%d/%d)", pci_get_bus(dev), pci_get_slot(dev), pci_get_function(dev)));
73
74#if __FreeBSD_version >=440000
75 pci_enable_busmaster(dev);
76#endif
77
78 pci_id.vid = pci_get_vendor(dev);
79 pci_id.did = pci_get_device(dev);
80 pci_id.rev = pci_get_revid(dev);
81 pci_id.subsys = (HPT_U32)(pci_get_subdevice(dev)) << 16 | pci_get_subvendor(dev);
82
83 size = him->get_adapter_size(&pci_id);
84 hba->ldm_adapter.him_handle = malloc(size, M_DEVBUF, M_WAITOK);
85 if (!hba->ldm_adapter.him_handle)
86 return ENXIO;
87
88 hba->pcidev = dev;
89 hba->pciaddr.tree = 0;
90 hba->pciaddr.bus = pci_get_bus(dev);
91 hba->pciaddr.device = pci_get_slot(dev);
92 hba->pciaddr.function = pci_get_function(dev);
93
94 if (!him->create_adapter(&pci_id, hba->pciaddr, hba->ldm_adapter.him_handle, hba)) {
95 free(hba->ldm_adapter.him_handle, M_DEVBUF);
96 return -1;
97 }
98
99 os_printk("adapter at PCI %d:%d:%d, IRQ %d",
100 hba->pciaddr.bus, hba->pciaddr.device, hba->pciaddr.function, pci_get_irq(dev));
101
102 if (!ldm_register_adapter(&hba->ldm_adapter)) {
103 size = ldm_get_vbus_size();
104 vbus_ext = malloc(sizeof(VBUS_EXT) + size, M_DEVBUF, M_WAITOK);
105 if (!vbus_ext) {
106 free(hba->ldm_adapter.him_handle, M_DEVBUF);
107 return -1;
108 }
109 memset(vbus_ext, 0, sizeof(VBUS_EXT));
110 vbus_ext->ext_type = EXT_TYPE_VBUS;
111 ldm_create_vbus((PVBUS)vbus_ext->vbus, vbus_ext);
112 ldm_register_adapter(&hba->ldm_adapter);
113 }
114
115 ldm_for_each_vbus(vbus, vbus_ext) {
116 if (hba->ldm_adapter.vbus==vbus) {
117 hba->vbus_ext = vbus_ext;
118 hba->next = vbus_ext->hba_list;
119 vbus_ext->hba_list = hba;
120 break;
121 }
122 }
123 return 0;
124}
125
126/*
127 * Maybe we'd better to use the bus_dmamem_alloc to alloc DMA memory,
128 * but there are some problems currently (alignment, etc).
129 */
130static __inline void *__get_free_pages(int order)
131{
132 /* don't use low memory - other devices may get starved */
133 return contigmalloc(PAGE_SIZE<<order,
134 M_DEVBUF, M_WAITOK, BUS_SPACE_MAXADDR_24BIT, BUS_SPACE_MAXADDR, PAGE_SIZE, 0);
135}
136
137static __inline void free_pages(void *p, int order)
138{
139 contigfree(p, PAGE_SIZE<<order, M_DEVBUF);
140}
141
142static int hpt_alloc_mem(PVBUS_EXT vbus_ext)
143{
144 PHBA hba;
145 struct freelist *f;
146 HPT_UINT i;
147 void **p;
148
149 for (hba = vbus_ext->hba_list; hba; hba = hba->next)
150 hba->ldm_adapter.him->get_meminfo(hba->ldm_adapter.him_handle);
151
152 ldm_get_mem_info((PVBUS)vbus_ext->vbus, 0);
153
154 for (f=vbus_ext->freelist_head; f; f=f->next) {
155 KdPrint(("%s: %d*%d=%d bytes",
156 f->tag, f->count, f->size, f->count*f->size));
157 for (i=0; i<f->count; i++) {
158 p = (void **)malloc(f->size, M_DEVBUF, M_WAITOK);
159 if (!p) return (ENXIO);
160 *p = f->head;
161 f->head = p;
162 }
163 }
164
165 for (f=vbus_ext->freelist_dma_head; f; f=f->next) {
166 int order, size, j;
167
168 HPT_ASSERT((f->size & (f->alignment-1))==0);
169
170 for (order=0, size=PAGE_SIZE; size<f->size; order++, size<<=1)
171 ;
172
173 KdPrint(("%s: %d*%d=%d bytes, order %d",
174 f->tag, f->count, f->size, f->count*f->size, order));
175 HPT_ASSERT(f->alignment<=PAGE_SIZE);
176
177 for (i=0; i<f->count;) {
178 p = (void **)__get_free_pages(order);
179 if (!p) return -1;
180 for (j = size/f->size; j && i<f->count; i++,j--) {
181 *p = f->head;
182 *(BUS_ADDRESS *)(p+1) = (BUS_ADDRESS)vtophys(p);
183 f->head = p;
184 p = (void **)((unsigned long)p + f->size);
185 }
186 }
187 }
188
189 HPT_ASSERT(PAGE_SIZE==DMAPOOL_PAGE_SIZE);
190
191 for (i=0; i<os_max_cache_pages; i++) {
192 p = (void **)__get_free_pages(0);
193 if (!p) return -1;
194 HPT_ASSERT(((HPT_UPTR)p & (DMAPOOL_PAGE_SIZE-1))==0);
195 dmapool_put_page((PVBUS)vbus_ext->vbus, p, (BUS_ADDRESS)vtophys(p));
196 }
197
198 return 0;
199}
200
201static void hpt_free_mem(PVBUS_EXT vbus_ext)
202{
203 struct freelist *f;
204 void *p;
205 int i;
206 BUS_ADDRESS bus;
207
208 for (f=vbus_ext->freelist_head; f; f=f->next) {
209#if DBG
210 if (f->count!=f->reserved_count) {
211 KdPrint(("memory leak for freelist %s (%d/%d)", f->tag, f->count, f->reserved_count));
212 }
213#endif
214 while ((p=freelist_get(f)))
215 free(p, M_DEVBUF);
216 }
217
218 for (i=0; i<os_max_cache_pages; i++) {
219 p = dmapool_get_page((PVBUS)vbus_ext->vbus, &bus);
220 HPT_ASSERT(p);
221 free_pages(p, 0);
222 }
223
224 for (f=vbus_ext->freelist_dma_head; f; f=f->next) {
225 int order, size;
226#if DBG
227 if (f->count!=f->reserved_count) {
228 KdPrint(("memory leak for dma freelist %s (%d/%d)", f->tag, f->count, f->reserved_count));
229 }
230#endif
231 for (order=0, size=PAGE_SIZE; size<f->size; order++, size<<=1) ;
232
233 while ((p=freelist_get_dma(f, &bus))) {
234 if (order)
235 free_pages(p, order);
236 else {
237 /* can't free immediately since other blocks in this page may still be in the list */
238 if (((HPT_UPTR)p & (PAGE_SIZE-1))==0)
239 dmapool_put_page((PVBUS)vbus_ext->vbus, p, bus);
240 }
241 }
242 }
243
244 while ((p = dmapool_get_page((PVBUS)vbus_ext->vbus, &bus)))
245 free_pages(p, 0);
246}
247
248static int hpt_init_vbus(PVBUS_EXT vbus_ext)
249{
250 PHBA hba;
251
252 for (hba = vbus_ext->hba_list; hba; hba = hba->next)
253 if (!hba->ldm_adapter.him->initialize(hba->ldm_adapter.him_handle)) {
254 KdPrint(("fail to initialize %p", hba));
255 return -1;
256 }
257
258 ldm_initialize_vbus((PVBUS)vbus_ext->vbus, &vbus_ext->hba_list->ldm_adapter);
259 return 0;
260}
261
262static void hpt_flush_done(PCOMMAND pCmd)
263{
264 PVDEV vd = pCmd->target;
265
266 if (mIsArray(vd->type) && vd->u.array.transform && vd!=vd->u.array.transform->target) {
267 vd = vd->u.array.transform->target;
268 HPT_ASSERT(vd);
269 pCmd->target = vd;
270 pCmd->Result = RETURN_PENDING;
271 vdev_queue_cmd(pCmd);
272 return;
273 }
274
275 *(int *)pCmd->priv = 1;
276 wakeup(pCmd);
277}
278
279/*
280 * flush a vdev (without retry).
281 */
282static int hpt_flush_vdev(PVBUS_EXT vbus_ext, PVDEV vd)
283{
284 PCOMMAND pCmd;
285 int result = 0, done;
286 HPT_UINT count;
287
288 KdPrint(("flusing dev %p", vd));
289
290 hpt_lock_vbus(vbus_ext);
291
292 if (mIsArray(vd->type) && vd->u.array.transform)
293 count = MAX(vd->u.array.transform->source->cmds_per_request,
294 vd->u.array.transform->target->cmds_per_request);
295 else
296 count = vd->cmds_per_request;
297
298 pCmd = ldm_alloc_cmds(vd->vbus, count);
299
300 if (!pCmd) {
301 hpt_unlock_vbus(vbus_ext);
302 return -1;
303 }
304
305 pCmd->type = CMD_TYPE_FLUSH;
306 pCmd->flags.hard_flush = 1;
307 pCmd->target = vd;
308 pCmd->done = hpt_flush_done;
309 done = 0;
310 pCmd->priv = &done;
311
312 ldm_queue_cmd(pCmd);
313
314 if (!done) {
315 while (hpt_sleep(vbus_ext, pCmd, PPAUSE, "hptfls", HPT_OSM_TIMEOUT)) {
316 ldm_reset_vbus(vd->vbus);
317 }
318 }
319
320 KdPrint(("flush result %d", pCmd->Result));
321
322 if (pCmd->Result!=RETURN_SUCCESS)
323 result = -1;
324
325 ldm_free_cmds(pCmd);
326
327 hpt_unlock_vbus(vbus_ext);
328
329 return result;
330}
331
332static void hpt_stop_tasks(PVBUS_EXT vbus_ext);
333static void hpt_shutdown_vbus(PVBUS_EXT vbus_ext, int howto)
334{
335 PVBUS vbus = (PVBUS)vbus_ext->vbus;
336 PHBA hba;
337 int i;
338
339 KdPrint(("hpt_shutdown_vbus"));
340
341 /* stop all ctl tasks and disable the worker taskqueue */
342 hpt_stop_tasks(vbus_ext);
343 vbus_ext->worker.ta_context = 0;
344
345 /* flush devices */
346 for (i=0; i<osm_max_targets; i++) {
347 PVDEV vd = ldm_find_target(vbus, i);
348 if (vd) {
349 /* retry once */
350 if (hpt_flush_vdev(vbus_ext, vd))
351 hpt_flush_vdev(vbus_ext, vd);
352 }
353 }
354
355 hpt_lock_vbus(vbus_ext);
356 ldm_shutdown(vbus);
357 hpt_unlock_vbus(vbus_ext);
358
359 ldm_release_vbus(vbus);
360
361 for (hba=vbus_ext->hba_list; hba; hba=hba->next)
362 bus_teardown_intr(hba->pcidev, hba->irq_res, hba->irq_handle);
363
364 hpt_free_mem(vbus_ext);
365
366 while ((hba=vbus_ext->hba_list)) {
367 vbus_ext->hba_list = hba->next;
368 free(hba->ldm_adapter.him_handle, M_DEVBUF);
369 }
370
371 free(vbus_ext, M_DEVBUF);
372 KdPrint(("hpt_shutdown_vbus done"));
373}
374
375static void __hpt_do_tasks(PVBUS_EXT vbus_ext)
376{
377 OSM_TASK *tasks;
378
379 tasks = vbus_ext->tasks;
380 vbus_ext->tasks = 0;
381
382 while (tasks) {
383 OSM_TASK *t = tasks;
384 tasks = t->next;
385 t->next = 0;
386 t->func(vbus_ext->vbus, t->data);
387 }
388}
389
390static void hpt_do_tasks(PVBUS_EXT vbus_ext, int pending)
391{
392 if(vbus_ext){
393 hpt_lock_vbus(vbus_ext);
394 __hpt_do_tasks(vbus_ext);
395 hpt_unlock_vbus(vbus_ext);
396 }
397}
398
399static void hpt_action(struct cam_sim *sim, union ccb *ccb);
400static void hpt_poll(struct cam_sim *sim);
401static void hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path, void * arg);
402static void hpt_pci_intr(void *arg);
403
404static __inline POS_CMDEXT cmdext_get(PVBUS_EXT vbus_ext)
405{
406 POS_CMDEXT p = vbus_ext->cmdext_list;
407 if (p)
408 vbus_ext->cmdext_list = p->next;
409 return p;
410}
411
412static __inline void cmdext_put(POS_CMDEXT p)
413{
414 p->next = p->vbus_ext->cmdext_list;
415 p->vbus_ext->cmdext_list = p;
416}
417
418static void hpt_timeout(void *arg)
419{
420 PCOMMAND pCmd = (PCOMMAND)arg;
421 POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
422
423 KdPrint(("pCmd %p timeout", pCmd));
424
425 ldm_reset_vbus((PVBUS)ext->vbus_ext->vbus);
426}
427
428static void os_cmddone(PCOMMAND pCmd)
429{
430 POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
431 union ccb *ccb = ext->ccb;
432
433 KdPrint(("os_cmddone(%p, %d)", pCmd, pCmd->Result));
434
435 untimeout(hpt_timeout, pCmd, ext->timeout_ch);
436
437 switch(pCmd->Result) {
438 case RETURN_SUCCESS:
439 ccb->ccb_h.status = CAM_REQ_CMP;
440 break;
441 case RETURN_BAD_DEVICE:
442 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
443 break;
444 case RETURN_DEVICE_BUSY:
445 ccb->ccb_h.status = CAM_BUSY;
446 break;
447 case RETURN_INVALID_REQUEST:
448 ccb->ccb_h.status = CAM_REQ_INVALID;
449 break;
450 case RETURN_SELECTION_TIMEOUT:
451 ccb->ccb_h.status = CAM_SEL_TIMEOUT;
452 break;
453 case RETURN_RETRY:
454 ccb->ccb_h.status = CAM_BUSY;
455 break;
456 default:
457 ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR;
458 break;
459 }
460
461 if (pCmd->flags.data_in) {
462 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_POSTREAD);
463 }
464 else if (pCmd->flags.data_out) {
465 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_POSTWRITE);
466 }
467
468 bus_dmamap_unload(ext->vbus_ext->io_dmat, ext->dma_map);
469
470 cmdext_put(ext);
471 ldm_free_cmds(pCmd);
472 xpt_done(ccb);
473}
474
475static int os_buildsgl(PCOMMAND pCmd, PSG pSg, int logical)
476{
477 /* since we have provided physical sg, nobody will ask us to build physical sg */
478 HPT_ASSERT(0);
479 return FALSE;
480}
481
482static void hpt_io_dmamap_callback(void *arg, bus_dma_segment_t *segs, int nsegs, int error)
483{
484 PCOMMAND pCmd = (PCOMMAND)arg;
485 POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
486 PSG psg = pCmd->psg;
487 int idx;
488
489 HPT_ASSERT(pCmd->flags.physical_sg);
490
491 if (error)
492 panic("busdma error");
493
494 HPT_ASSERT(nsegs<=os_max_sg_descriptors);
495
496 if (nsegs != 0) {
497 for (idx = 0; idx < nsegs; idx++, psg++) {
498 psg->addr.bus = segs[idx].ds_addr;
499 psg->size = segs[idx].ds_len;
500 psg->eot = 0;
501 }
502 psg[-1].eot = 1;
503
504 if (pCmd->flags.data_in) {
505 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map,
506 BUS_DMASYNC_PREREAD);
507 }
508 else if (pCmd->flags.data_out) {
509 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map,
510 BUS_DMASYNC_PREWRITE);
511 }
512 }
513
514 ext->timeout_ch = timeout(hpt_timeout, pCmd, HPT_OSM_TIMEOUT);
515 ldm_queue_cmd(pCmd);
516}
517
518static void hpt_scsi_io(PVBUS_EXT vbus_ext, union ccb *ccb)
519{
520 PVBUS vbus = (PVBUS)vbus_ext->vbus;
521 PVDEV vd;
522 PCOMMAND pCmd;
523 POS_CMDEXT ext;
524 HPT_U8 *cdb;
525
526 if (ccb->ccb_h.flags & CAM_CDB_POINTER)
527 cdb = ccb->csio.cdb_io.cdb_ptr;
528 else
529 cdb = ccb->csio.cdb_io.cdb_bytes;
530
531 KdPrint(("hpt_scsi_io: ccb %x id %d lun %d cdb %x-%x-%x",
532 ccb,
533 ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
534 *(HPT_U32 *)&cdb[0], *(HPT_U32 *)&cdb[4], *(HPT_U32 *)&cdb[8]
535 ));
536
537 /* ccb->ccb_h.path_id is not our bus id - don't check it */
538 if (ccb->ccb_h.target_lun != 0 ||
539 ccb->ccb_h.target_id >= osm_max_targets ||
540 (ccb->ccb_h.flags & CAM_CDB_PHYS))
541 {
542 ccb->ccb_h.status = CAM_TID_INVALID;
543 xpt_done(ccb);
544 return;
545 }
546
547 vd = ldm_find_target(vbus, ccb->ccb_h.target_id);
548
549 if (!vd) {
|
551 xpt_done(ccb);
552 return;
553 }
554
555 switch (cdb[0]) {
556 case TEST_UNIT_READY:
557 case START_STOP_UNIT:
558 case SYNCHRONIZE_CACHE:
559 ccb->ccb_h.status = CAM_REQ_CMP;
560 break;
561
562 case INQUIRY:
563 {
564 PINQUIRYDATA inquiryData;
565 memset(ccb->csio.data_ptr, 0, ccb->csio.dxfer_len);
566 inquiryData = (PINQUIRYDATA)ccb->csio.data_ptr;
567
568 inquiryData->AdditionalLength = 31;
569 inquiryData->CommandQueue = 1;
570 memcpy(&inquiryData->VendorId, "HPT ", 8);
571 memcpy(&inquiryData->ProductId, "DISK 0_0 ", 16);
572
573 if (vd->target_id / 10) {
574 inquiryData->ProductId[7] = (vd->target_id % 100) / 10 + '0';
575 inquiryData->ProductId[8] = (vd->target_id % 100) % 10 + '0';
576 }
577 else
578 inquiryData->ProductId[7] = (vd->target_id % 100) % 10 + '0';
579
580 memcpy(&inquiryData->ProductRevisionLevel, "4.00", 4);
581
582 ccb->ccb_h.status = CAM_REQ_CMP;
583 }
584 break;
585
586 case READ_CAPACITY:
587 {
588 HPT_U8 *rbuf = ccb->csio.data_ptr;
589 HPT_U32 cap;
590
591 if (vd->capacity>0xfffffffful)
592 cap = 0xfffffffful;
593 else
594 cap = vd->capacity - 1;
595
596 rbuf[0] = (HPT_U8)(cap>>24);
597 rbuf[1] = (HPT_U8)(cap>>16);
598 rbuf[2] = (HPT_U8)(cap>>8);
599 rbuf[3] = (HPT_U8)cap;
600 rbuf[4] = 0;
601 rbuf[5] = 0;
602 rbuf[6] = 2;
603 rbuf[7] = 0;
604
605 ccb->ccb_h.status = CAM_REQ_CMP;
606 break;
607 }
608
609 case SERVICE_ACTION_IN:
610 {
611 HPT_U8 *rbuf = ccb->csio.data_ptr;
612 HPT_U64 cap = vd->capacity - 1;
613
614 rbuf[0] = (HPT_U8)(cap>>56);
615 rbuf[1] = (HPT_U8)(cap>>48);
616 rbuf[2] = (HPT_U8)(cap>>40);
617 rbuf[3] = (HPT_U8)(cap>>32);
618 rbuf[4] = (HPT_U8)(cap>>24);
619 rbuf[5] = (HPT_U8)(cap>>16);
620 rbuf[6] = (HPT_U8)(cap>>8);
621 rbuf[7] = (HPT_U8)cap;
622 rbuf[8] = 0;
623 rbuf[9] = 0;
624 rbuf[10] = 2;
625 rbuf[11] = 0;
626
627 ccb->ccb_h.status = CAM_REQ_CMP;
628 break;
629 }
630
631 case READ_6:
632 case READ_10:
633 case READ_16:
634 case WRITE_6:
635 case WRITE_10:
636 case WRITE_16:
637 case 0x13:
638 case 0x2f:
639 case 0x8f: /* VERIFY_16 */
640 {
641 int error;
642 pCmd = ldm_alloc_cmds(vbus, vd->cmds_per_request);
643 if(!pCmd){
644 KdPrint(("Failed to allocate command!"));
645 ccb->ccb_h.status = CAM_BUSY;
646 break;
647 }
648
649 switch (cdb[0]) {
650 case READ_6:
651 case WRITE_6:
652 case 0x13:
653 pCmd->uCmd.Ide.Lba = ((HPT_U32)cdb[1] << 16) | ((HPT_U32)cdb[2] << 8) | (HPT_U32)cdb[3];
654 pCmd->uCmd.Ide.nSectors = (HPT_U16) cdb[4];
655 break;
656 case READ_16:
657 case WRITE_16:
658 case 0x8f: /* VERIFY_16 */
659 {
660 HPT_U64 block =
661 ((HPT_U64)cdb[2]<<56) |
662 ((HPT_U64)cdb[3]<<48) |
663 ((HPT_U64)cdb[4]<<40) |
664 ((HPT_U64)cdb[5]<<32) |
665 ((HPT_U64)cdb[6]<<24) |
666 ((HPT_U64)cdb[7]<<16) |
667 ((HPT_U64)cdb[8]<<8) |
668 ((HPT_U64)cdb[9]);
669 pCmd->uCmd.Ide.Lba = block;
670 pCmd->uCmd.Ide.nSectors = (HPT_U16)cdb[13] | ((HPT_U16)cdb[12]<<8);
671 break;
672 }
673
674 default:
675 pCmd->uCmd.Ide.Lba = (HPT_U32)cdb[5] | ((HPT_U32)cdb[4] << 8) | ((HPT_U32)cdb[3] << 16) | ((HPT_U32)cdb[2] << 24);
676 pCmd->uCmd.Ide.nSectors = (HPT_U16) cdb[8] | ((HPT_U16)cdb[7]<<8);
677 break;
678 }
679
680 switch (cdb[0]) {
681 case READ_6:
682 case READ_10:
683 case READ_16:
684 pCmd->flags.data_in = 1;
685 break;
686 case WRITE_6:
687 case WRITE_10:
688 case WRITE_16:
689 pCmd->flags.data_out = 1;
690 break;
691 }
692 pCmd->priv = ext = cmdext_get(vbus_ext);
693 HPT_ASSERT(ext);
694 ext->ccb = ccb;
695 pCmd->target = vd;
696 pCmd->done = os_cmddone;
697 pCmd->buildsgl = os_buildsgl;
698 pCmd->psg = ext->psg;
699 pCmd->flags.physical_sg = 1;
700 error = bus_dmamap_load_ccb(vbus_ext->io_dmat,
701 ext->dma_map, ccb,
702 hpt_io_dmamap_callback, pCmd,
703 BUS_DMA_WAITOK
704 );
705 KdPrint(("bus_dmamap_load return %d", error));
706 if (error && error!=EINPROGRESS) {
707 os_printk("bus_dmamap_load error %d", error);
708 cmdext_put(ext);
709 ldm_free_cmds(pCmd);
710 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
711 xpt_done(ccb);
712 }
713 return;
714 }
715
716 default:
717 ccb->ccb_h.status = CAM_REQ_INVALID;
718 break;
719 }
720
721 xpt_done(ccb);
722 return;
723}
724
725static void hpt_action(struct cam_sim *sim, union ccb *ccb)
726{
727 PVBUS_EXT vbus_ext = (PVBUS_EXT)cam_sim_softc(sim);
728
729 KdPrint(("hpt_action(fn=%d, id=%d)", ccb->ccb_h.func_code, ccb->ccb_h.target_id));
730
731 switch (ccb->ccb_h.func_code) {
732
733 case XPT_SCSI_IO:
734 hpt_lock_vbus(vbus_ext);
735 hpt_scsi_io(vbus_ext, ccb);
736 hpt_unlock_vbus(vbus_ext);
737 return;
738
739 case XPT_RESET_BUS:
740 hpt_lock_vbus(vbus_ext);
741 ldm_reset_vbus((PVBUS)vbus_ext->vbus);
742 hpt_unlock_vbus(vbus_ext);
743 break;
744
745 case XPT_GET_TRAN_SETTINGS:
746 case XPT_SET_TRAN_SETTINGS:
747 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
748 break;
749
750 case XPT_CALC_GEOMETRY:
751 ccb->ccg.heads = 255;
752 ccb->ccg.secs_per_track = 63;
753 ccb->ccg.cylinders = ccb->ccg.volume_size / (ccb->ccg.heads * ccb->ccg.secs_per_track);
754 ccb->ccb_h.status = CAM_REQ_CMP;
755 break;
756
757 case XPT_PATH_INQ:
758 {
759 struct ccb_pathinq *cpi = &ccb->cpi;
760
761 cpi->version_num = 1;
762 cpi->hba_inquiry = PI_SDTR_ABLE;
763 cpi->target_sprt = 0;
764 cpi->hba_misc = PIM_NOBUSRESET;
765 cpi->hba_eng_cnt = 0;
766 cpi->max_target = osm_max_targets;
767 cpi->max_lun = 0;
768 cpi->unit_number = cam_sim_unit(sim);
769 cpi->bus_id = cam_sim_bus(sim);
770 cpi->initiator_id = osm_max_targets;
771 cpi->base_transfer_speed = 3300;
772
773 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
774 strncpy(cpi->hba_vid, "HPT ", HBA_IDLEN);
775 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
776#if (__FreeBSD_version >= 800000)
777 cpi->transport = XPORT_SPI;
778 cpi->transport_version = 2;
779 cpi->protocol = PROTO_SCSI;
780 cpi->protocol_version = SCSI_REV_2;
781#endif
782 cpi->ccb_h.status = CAM_REQ_CMP;
783 break;
784 }
785
786 default:
787 ccb->ccb_h.status = CAM_REQ_INVALID;
788 break;
789 }
790
791 xpt_done(ccb);
792 return;
793}
794
795static void hpt_pci_intr(void *arg)
796{
797 PVBUS_EXT vbus_ext = (PVBUS_EXT)arg;
798 hpt_lock_vbus(vbus_ext);
799 ldm_intr((PVBUS)vbus_ext->vbus);
800 hpt_unlock_vbus(vbus_ext);
801}
802
803static void hpt_poll(struct cam_sim *sim)
804{
805 hpt_pci_intr(cam_sim_softc(sim));
806}
807
808static void hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path, void * arg)
809{
810 KdPrint(("hpt_async"));
811}
812
813static int hpt_shutdown(device_t dev)
814{
815 KdPrint(("hpt_shutdown(dev=%p)", dev));
816 return 0;
817}
818
819static int hpt_detach(device_t dev)
820{
821 /* we don't allow the driver to be unloaded. */
822 return EBUSY;
823}
824
825static void hpt_ioctl_done(struct _IOCTL_ARG *arg)
826{
827 arg->ioctl_cmnd = 0;
828 wakeup(arg);
829}
830
831static void __hpt_do_ioctl(PVBUS_EXT vbus_ext, IOCTL_ARG *ioctl_args)
832{
833 ioctl_args->result = -1;
834 ioctl_args->done = hpt_ioctl_done;
835 ioctl_args->ioctl_cmnd = (void *)1;
836
837 hpt_lock_vbus(vbus_ext);
838 ldm_ioctl((PVBUS)vbus_ext->vbus, ioctl_args);
839
840 while (ioctl_args->ioctl_cmnd) {
841 if (hpt_sleep(vbus_ext, ioctl_args, PPAUSE, "hptctl", HPT_OSM_TIMEOUT)==0)
842 break;
843 ldm_reset_vbus((PVBUS)vbus_ext->vbus);
844 __hpt_do_tasks(vbus_ext);
845 }
846
847 /* KdPrint(("ioctl %x result %d", ioctl_args->dwIoControlCode, ioctl_args->result)); */
848
849 hpt_unlock_vbus(vbus_ext);
850}
851
852static void hpt_do_ioctl(IOCTL_ARG *ioctl_args)
853{
854 PVBUS vbus;
855 PVBUS_EXT vbus_ext;
856
857 ldm_for_each_vbus(vbus, vbus_ext) {
858 __hpt_do_ioctl(vbus_ext, ioctl_args);
859 if (ioctl_args->result!=HPT_IOCTL_RESULT_WRONG_VBUS)
860 return;
861 }
862}
863
864#define HPT_DO_IOCTL(code, inbuf, insize, outbuf, outsize) ({\
865 IOCTL_ARG arg;\
866 arg.dwIoControlCode = code;\
867 arg.lpInBuffer = inbuf;\
868 arg.lpOutBuffer = outbuf;\
869 arg.nInBufferSize = insize;\
870 arg.nOutBufferSize = outsize;\
871 arg.lpBytesReturned = 0;\
872 hpt_do_ioctl(&arg);\
873 arg.result;\
874})
875
876#define DEVICEID_VALID(id) ((id) && ((HPT_U32)(id)!=0xffffffff))
877
878static int hpt_get_logical_devices(DEVICEID * pIds, int nMaxCount)
879{
880 int i;
881 HPT_U32 count = nMaxCount-1;
882
883 if (HPT_DO_IOCTL(HPT_IOCTL_GET_LOGICAL_DEVICES,
884 &count, sizeof(HPT_U32), pIds, sizeof(DEVICEID)*nMaxCount))
885 return -1;
886
887 nMaxCount = (int)pIds[0];
888 for (i=0; i<nMaxCount; i++) pIds[i] = pIds[i+1];
889 return nMaxCount;
890}
891
892static int hpt_get_device_info_v3(DEVICEID id, PLOGICAL_DEVICE_INFO_V3 pInfo)
893{
894 return HPT_DO_IOCTL(HPT_IOCTL_GET_DEVICE_INFO_V3,
895 &id, sizeof(DEVICEID), pInfo, sizeof(LOGICAL_DEVICE_INFO_V3));
896}
897
898/* not belong to this file logically, but we want to use ioctl interface */
899static int __hpt_stop_tasks(PVBUS_EXT vbus_ext, DEVICEID id)
900{
901 LOGICAL_DEVICE_INFO_V3 devinfo;
902 int i, result;
903 DEVICEID param[2] = { id, 0 };
904
905 if (hpt_get_device_info_v3(id, &devinfo))
906 return -1;
907
908 if (devinfo.Type!=LDT_ARRAY)
909 return -1;
910
911 if (devinfo.u.array.Flags & ARRAY_FLAG_REBUILDING)
912 param[1] = AS_REBUILD_ABORT;
913 else if (devinfo.u.array.Flags & ARRAY_FLAG_VERIFYING)
914 param[1] = AS_VERIFY_ABORT;
915 else if (devinfo.u.array.Flags & ARRAY_FLAG_INITIALIZING)
916 param[1] = AS_INITIALIZE_ABORT;
917 else if (devinfo.u.array.Flags & ARRAY_FLAG_TRANSFORMING)
918 param[1] = AS_TRANSFORM_ABORT;
919 else
920 return -1;
921
922 KdPrint(("SET_ARRAY_STATE(%x, %d)", param[0], param[1]));
923 result = HPT_DO_IOCTL(HPT_IOCTL_SET_ARRAY_STATE,
924 param, sizeof(param), 0, 0);
925
926 for (i=0; i<devinfo.u.array.nDisk; i++)
927 if (DEVICEID_VALID(devinfo.u.array.Members[i]))
928 __hpt_stop_tasks(vbus_ext, devinfo.u.array.Members[i]);
929
930 return result;
931}
932
933static void hpt_stop_tasks(PVBUS_EXT vbus_ext)
934{
935 DEVICEID ids[32];
936 int i, count;
937
938 count = hpt_get_logical_devices((DEVICEID *)&ids, sizeof(ids)/sizeof(ids[0]));
939
940 for (i=0; i<count; i++)
941 __hpt_stop_tasks(vbus_ext, ids[i]);
942}
943
944static d_open_t hpt_open;
945static d_close_t hpt_close;
946static d_ioctl_t hpt_ioctl;
947static int hpt_rescan_bus(void);
948
949static struct cdevsw hpt_cdevsw = {
950 .d_open = hpt_open,
951 .d_close = hpt_close,
952 .d_ioctl = hpt_ioctl,
953 .d_name = driver_name,
954#if __FreeBSD_version>=503000
955 .d_version = D_VERSION,
956#endif
957#if (__FreeBSD_version>=503000 && __FreeBSD_version<600034)
958 .d_flags = D_NEEDGIANT,
959#endif
960#if __FreeBSD_version<600034
961#if __FreeBSD_version>501000
962 .d_maj = MAJOR_AUTO,
963#else
964 .d_maj = HPT_DEV_MAJOR,
965#endif
966#endif
967};
968
969static struct intr_config_hook hpt_ich;
970
971/*
972 * hpt_final_init will be called after all hpt_attach.
973 */
974static void hpt_final_init(void *dummy)
975{
976 int i,unit_number=0;
977 PVBUS_EXT vbus_ext;
978 PVBUS vbus;
979 PHBA hba;
980
981 /* Clear the config hook */
982 config_intrhook_disestablish(&hpt_ich);
983
984 /* allocate memory */
985 i = 0;
986 ldm_for_each_vbus(vbus, vbus_ext) {
987 if (hpt_alloc_mem(vbus_ext)) {
988 os_printk("out of memory");
989 return;
990 }
991 i++;
992 }
993
994 if (!i) {
995 if (bootverbose)
996 os_printk("no controller detected.");
997 return;
998 }
999
1000 /* initializing hardware */
1001 ldm_for_each_vbus(vbus, vbus_ext) {
1002 /* make timer available here */
1003 callout_handle_init(&vbus_ext->timer);
1004 if (hpt_init_vbus(vbus_ext)) {
1005 os_printk("fail to initialize hardware");
1006 break; /* FIXME */
1007 }
1008 }
1009
1010 /* register CAM interface */
1011 ldm_for_each_vbus(vbus, vbus_ext) {
1012 struct cam_devq *devq;
1013 struct ccb_setasync ccb;
1014
1015#if (__FreeBSD_version >= 500000)
1016 mtx_init(&vbus_ext->lock, "hptsleeplock", NULL, MTX_DEF);
1017#endif
1018 if (bus_dma_tag_create(NULL,/* parent */
1019 4, /* alignment */
1020 BUS_SPACE_MAXADDR_32BIT+1, /* boundary */
1021 BUS_SPACE_MAXADDR, /* lowaddr */
1022 BUS_SPACE_MAXADDR, /* highaddr */
1023 NULL, NULL, /* filter, filterarg */
1024 PAGE_SIZE * (os_max_sg_descriptors-1), /* maxsize */
1025 os_max_sg_descriptors, /* nsegments */
1026 0x10000, /* maxsegsize */
1027 BUS_DMA_WAITOK, /* flags */
1028#if __FreeBSD_version>502000
1029 busdma_lock_mutex, /* lockfunc */
1030 &vbus_ext->lock, /* lockfuncarg */
1031#endif
1032 &vbus_ext->io_dmat /* tag */))
1033 {
1034 return ;
1035 }
1036
1037 for (i=0; i<os_max_queue_comm; i++) {
1038 POS_CMDEXT ext = (POS_CMDEXT)malloc(sizeof(OS_CMDEXT), M_DEVBUF, M_WAITOK);
1039 if (!ext) {
1040 os_printk("Can't alloc cmdext(%d)", i);
1041 return ;
1042 }
1043 ext->vbus_ext = vbus_ext;
1044 ext->next = vbus_ext->cmdext_list;
1045 vbus_ext->cmdext_list = ext;
1046
1047 if (bus_dmamap_create(vbus_ext->io_dmat, 0, &ext->dma_map)) {
1048 os_printk("Can't create dma map(%d)", i);
1049 return ;
1050 }
1051 callout_handle_init(&ext->timeout_ch);
1052 }
1053
1054 if ((devq = cam_simq_alloc(os_max_queue_comm)) == NULL) {
1055 os_printk("cam_simq_alloc failed");
1056 return ;
1057 }
1058
1059#if __FreeBSD_version > 700025
1060 vbus_ext->sim = cam_sim_alloc(hpt_action, hpt_poll, driver_name,
1061 vbus_ext, unit_number, &Giant, os_max_queue_comm, /*tagged*/8, devq);
1062#else
1063 vbus_ext->sim = cam_sim_alloc(hpt_action, hpt_poll, driver_name,
1064 vbus_ext, unit_number, os_max_queue_comm, /*tagged*/8, devq);
1065#endif
1066 unit_number++;
1067 if (!vbus_ext->sim) {
1068 os_printk("cam_sim_alloc failed");
1069 cam_simq_free(devq);
1070 return ;
1071 }
1072
1073#if __FreeBSD_version > 700044
1074 if (xpt_bus_register(vbus_ext->sim, NULL, 0) != CAM_SUCCESS) {
1075#else
1076 if (xpt_bus_register(vbus_ext->sim, 0) != CAM_SUCCESS) {
1077#endif
1078 os_printk("xpt_bus_register failed");
1079 cam_sim_free(vbus_ext->sim, /*free devq*/ TRUE);
1080 vbus_ext->sim = NULL;
1081 return ;
1082 }
1083
1084 if (xpt_create_path(&vbus_ext->path, /*periph */ NULL,
1085 cam_sim_path(vbus_ext->sim), CAM_TARGET_WILDCARD,
1086 CAM_LUN_WILDCARD) != CAM_REQ_CMP)
1087 {
1088 os_printk("xpt_create_path failed");
1089 xpt_bus_deregister(cam_sim_path(vbus_ext->sim));
1090 cam_sim_free(vbus_ext->sim, /*free_devq*/TRUE);
1091 vbus_ext->sim = NULL;
1092 return ;
1093 }
1094
1095 xpt_setup_ccb(&ccb.ccb_h, vbus_ext->path, /*priority*/5);
1096 ccb.ccb_h.func_code = XPT_SASYNC_CB;
1097 ccb.event_enable = AC_LOST_DEVICE;
1098 ccb.callback = hpt_async;
1099 ccb.callback_arg = vbus_ext;
1100 xpt_action((union ccb *)&ccb);
1101
1102 for (hba = vbus_ext->hba_list; hba; hba = hba->next) {
1103 int rid = 0;
1104 if ((hba->irq_res = bus_alloc_resource(hba->pcidev,
1105 SYS_RES_IRQ, &rid, 0, ~0ul, 1, RF_SHAREABLE | RF_ACTIVE)) == NULL)
1106 {
1107 os_printk("can't allocate interrupt");
1108 return ;
1109 }
1110
1111 if (bus_setup_intr(hba->pcidev, hba->irq_res, INTR_TYPE_CAM,
1112#if __FreeBSD_version > 700025
1113 NULL, hpt_pci_intr, vbus_ext, &hba->irq_handle))
1114#else
1115 hpt_pci_intr, vbus_ext, &hba->irq_handle))
1116#endif
1117 {
1118 os_printk("can't set up interrupt");
1119 return ;
1120 }
1121 hba->ldm_adapter.him->intr_control(hba->ldm_adapter.him_handle, HPT_TRUE);
1122
1123 }
1124
1125 vbus_ext->shutdown_eh = EVENTHANDLER_REGISTER(shutdown_final,
1126 hpt_shutdown_vbus, vbus_ext, SHUTDOWN_PRI_DEFAULT);
1127 if (!vbus_ext->shutdown_eh)
1128 os_printk("Shutdown event registration failed");
1129 }
1130
1131 ldm_for_each_vbus(vbus, vbus_ext) {
1132 TASK_INIT(&vbus_ext->worker, 0, (task_fn_t *)hpt_do_tasks, vbus_ext);
1133 if (vbus_ext->tasks)
1134 TASK_ENQUEUE(&vbus_ext->worker);
1135 }
1136
1137 make_dev(&hpt_cdevsw, DRIVER_MINOR, UID_ROOT, GID_OPERATOR,
1138 S_IRUSR | S_IWUSR, "%s", driver_name);
1139}
1140
1141#if defined(KLD_MODULE) && (__FreeBSD_version >= 503000)
1142
1143typedef struct driverlink *driverlink_t;
1144struct driverlink {
1145 kobj_class_t driver;
1146 TAILQ_ENTRY(driverlink) link; /* list of drivers in devclass */
1147};
1148
1149typedef TAILQ_HEAD(driver_list, driverlink) driver_list_t;
1150
1151struct devclass {
1152 TAILQ_ENTRY(devclass) link;
1153 devclass_t parent; /* parent in devclass hierarchy */
1154 driver_list_t drivers; /* bus devclasses store drivers for bus */
1155 char *name;
1156 device_t *devices; /* array of devices indexed by unit */
1157 int maxunit; /* size of devices array */
1158};
1159
1160static void override_kernel_driver(void)
1161{
1162 driverlink_t dl, dlfirst;
1163 driver_t *tmpdriver;
1164 devclass_t dc = devclass_find("pci");
1165
1166 if (dc){
1167 dlfirst = TAILQ_FIRST(&dc->drivers);
1168 for (dl = dlfirst; dl; dl = TAILQ_NEXT(dl, link)) {
1169 if(strcmp(dl->driver->name, driver_name) == 0) {
1170 tmpdriver=dl->driver;
1171 dl->driver=dlfirst->driver;
1172 dlfirst->driver=tmpdriver;
1173 break;
1174 }
1175 }
1176 }
1177}
1178
1179#else
1180#define override_kernel_driver()
1181#endif
1182
1183static void hpt_init(void *dummy)
1184{
1185 if (bootverbose)
1186 os_printk("%s %s", driver_name_long, driver_ver);
1187
1188 override_kernel_driver();
1189 init_config();
1190
1191 hpt_ich.ich_func = hpt_final_init;
1192 hpt_ich.ich_arg = NULL;
1193 if (config_intrhook_establish(&hpt_ich) != 0) {
1194 printf("%s: cannot establish configuration hook\n",
1195 driver_name_long);
1196 }
1197
1198}
1199SYSINIT(hptinit, SI_SUB_CONFIGURE, SI_ORDER_FIRST, hpt_init, NULL);
1200
1201/*
1202 * CAM driver interface
1203 */
1204static device_method_t driver_methods[] = {
1205 /* Device interface */
1206 DEVMETHOD(device_probe, hpt_probe),
1207 DEVMETHOD(device_attach, hpt_attach),
1208 DEVMETHOD(device_detach, hpt_detach),
1209 DEVMETHOD(device_shutdown, hpt_shutdown),
1210 { 0, 0 }
1211};
1212
1213static driver_t hpt_pci_driver = {
1214 driver_name,
1215 driver_methods,
1216 sizeof(HBA)
1217};
1218
1219static devclass_t hpt_devclass;
1220
1221#ifndef TARGETNAME
1222#error "no TARGETNAME found"
1223#endif
1224
1225/* use this to make TARGETNAME be expanded */
1226#define __DRIVER_MODULE(p1, p2, p3, p4, p5, p6) DRIVER_MODULE(p1, p2, p3, p4, p5, p6)
1227#define __MODULE_VERSION(p1, p2) MODULE_VERSION(p1, p2)
1228#define __MODULE_DEPEND(p1, p2, p3, p4, p5) MODULE_DEPEND(p1, p2, p3, p4, p5)
1229__DRIVER_MODULE(TARGETNAME, pci, hpt_pci_driver, hpt_devclass, 0, 0);
1230__MODULE_VERSION(TARGETNAME, 1);
1231__MODULE_DEPEND(TARGETNAME, cam, 1, 1, 1);
1232
1233#if __FreeBSD_version>503000
1234typedef struct cdev * ioctl_dev_t;
1235#else
1236typedef dev_t ioctl_dev_t;
1237#endif
1238
1239#if __FreeBSD_version >= 500000
1240typedef struct thread * ioctl_thread_t;
1241#else
1242typedef struct proc * ioctl_thread_t;
1243#endif
1244
1245static int hpt_open(ioctl_dev_t dev, int flags, int devtype, ioctl_thread_t td)
1246{
1247 return 0;
1248}
1249
1250static int hpt_close(ioctl_dev_t dev, int flags, int devtype, ioctl_thread_t td)
1251{
1252 return 0;
1253}
1254
1255static int hpt_ioctl(ioctl_dev_t dev, u_long cmd, caddr_t data, int fflag, ioctl_thread_t td)
1256{
1257 PHPT_IOCTL_PARAM piop=(PHPT_IOCTL_PARAM)data;
1258 IOCTL_ARG ioctl_args;
1259 HPT_U32 bytesReturned;
1260
1261 switch (cmd){
1262 case HPT_DO_IOCONTROL:
1263 {
1264 if (piop->Magic == HPT_IOCTL_MAGIC || piop->Magic == HPT_IOCTL_MAGIC32) {
1265 KdPrint(("ioctl=%x in=%p len=%d out=%p len=%d\n",
1266 piop->dwIoControlCode,
1267 piop->lpInBuffer,
1268 piop->nInBufferSize,
1269 piop->lpOutBuffer,
1270 piop->nOutBufferSize));
1271
1272 memset(&ioctl_args, 0, sizeof(ioctl_args));
1273
1274 ioctl_args.dwIoControlCode = piop->dwIoControlCode;
1275 ioctl_args.nInBufferSize = piop->nInBufferSize;
1276 ioctl_args.nOutBufferSize = piop->nOutBufferSize;
1277 ioctl_args.lpBytesReturned = &bytesReturned;
1278
1279 if (ioctl_args.nInBufferSize) {
1280 ioctl_args.lpInBuffer = malloc(ioctl_args.nInBufferSize, M_DEVBUF, M_WAITOK);
1281 if (!ioctl_args.lpInBuffer)
1282 goto invalid;
1283 if (copyin((void*)piop->lpInBuffer,
1284 ioctl_args.lpInBuffer, piop->nInBufferSize))
1285 goto invalid;
1286 }
1287
1288 if (ioctl_args.nOutBufferSize) {
1289 ioctl_args.lpOutBuffer = malloc(ioctl_args.nOutBufferSize, M_DEVBUF, M_WAITOK);
1290 if (!ioctl_args.lpOutBuffer)
1291 goto invalid;
1292 }
1293
1294#if (__FreeBSD_version >= 500000)
1295 mtx_lock(&Giant);
1296#endif
1297
1298 hpt_do_ioctl(&ioctl_args);
1299
1300#if (__FreeBSD_version >= 500000)
1301 mtx_unlock(&Giant);
1302#endif
1303
1304 if (ioctl_args.result==HPT_IOCTL_RESULT_OK) {
1305 if (piop->nOutBufferSize) {
1306 if (copyout(ioctl_args.lpOutBuffer,
1307 (void*)piop->lpOutBuffer, piop->nOutBufferSize))
1308 goto invalid;
1309 }
1310 if (piop->lpBytesReturned) {
1311 if (copyout(&bytesReturned,
1312 (void*)piop->lpBytesReturned, sizeof(HPT_U32)))
1313 goto invalid;
1314 }
1315 if (ioctl_args.lpInBuffer) free(ioctl_args.lpInBuffer, M_DEVBUF);
1316 if (ioctl_args.lpOutBuffer) free(ioctl_args.lpOutBuffer, M_DEVBUF);
1317 return 0;
1318 }
1319invalid:
1320 if (ioctl_args.lpInBuffer) free(ioctl_args.lpInBuffer, M_DEVBUF);
1321 if (ioctl_args.lpOutBuffer) free(ioctl_args.lpOutBuffer, M_DEVBUF);
1322 return EFAULT;
1323 }
1324 return EFAULT;
1325 }
1326
1327 case HPT_SCAN_BUS:
1328 {
1329 return hpt_rescan_bus();
1330 }
1331 default:
1332 KdPrint(("invalid command!"));
1333 return EFAULT;
1334 }
1335
1336}
1337
1338static int hpt_rescan_bus(void)
1339{
1340 union ccb *ccb;
1341 PVBUS vbus;
1342 PVBUS_EXT vbus_ext;
1343
1344 mtx_lock(&Giant);
1345
1346 ldm_for_each_vbus(vbus, vbus_ext) {
1347 if ((ccb = xpt_alloc_ccb()) == NULL)
1348 {
1349 return(ENOMEM);
1350 }
1351 if (xpt_create_path(&ccb->ccb_h.path, NULL, cam_sim_path(vbus_ext->sim),
1352 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP)
1353 {
1354 xpt_free_ccb(ccb);
1355 return(EIO);
1356 }
1357 xpt_rescan(ccb);
1358 }
1359 mtx_unlock(&Giant);
1360 return(0);
1361}
| 551 xpt_done(ccb);
552 return;
553 }
554
555 switch (cdb[0]) {
556 case TEST_UNIT_READY:
557 case START_STOP_UNIT:
558 case SYNCHRONIZE_CACHE:
559 ccb->ccb_h.status = CAM_REQ_CMP;
560 break;
561
562 case INQUIRY:
563 {
564 PINQUIRYDATA inquiryData;
565 memset(ccb->csio.data_ptr, 0, ccb->csio.dxfer_len);
566 inquiryData = (PINQUIRYDATA)ccb->csio.data_ptr;
567
568 inquiryData->AdditionalLength = 31;
569 inquiryData->CommandQueue = 1;
570 memcpy(&inquiryData->VendorId, "HPT ", 8);
571 memcpy(&inquiryData->ProductId, "DISK 0_0 ", 16);
572
573 if (vd->target_id / 10) {
574 inquiryData->ProductId[7] = (vd->target_id % 100) / 10 + '0';
575 inquiryData->ProductId[8] = (vd->target_id % 100) % 10 + '0';
576 }
577 else
578 inquiryData->ProductId[7] = (vd->target_id % 100) % 10 + '0';
579
580 memcpy(&inquiryData->ProductRevisionLevel, "4.00", 4);
581
582 ccb->ccb_h.status = CAM_REQ_CMP;
583 }
584 break;
585
586 case READ_CAPACITY:
587 {
588 HPT_U8 *rbuf = ccb->csio.data_ptr;
589 HPT_U32 cap;
590
591 if (vd->capacity>0xfffffffful)
592 cap = 0xfffffffful;
593 else
594 cap = vd->capacity - 1;
595
596 rbuf[0] = (HPT_U8)(cap>>24);
597 rbuf[1] = (HPT_U8)(cap>>16);
598 rbuf[2] = (HPT_U8)(cap>>8);
599 rbuf[3] = (HPT_U8)cap;
600 rbuf[4] = 0;
601 rbuf[5] = 0;
602 rbuf[6] = 2;
603 rbuf[7] = 0;
604
605 ccb->ccb_h.status = CAM_REQ_CMP;
606 break;
607 }
608
609 case SERVICE_ACTION_IN:
610 {
611 HPT_U8 *rbuf = ccb->csio.data_ptr;
612 HPT_U64 cap = vd->capacity - 1;
613
614 rbuf[0] = (HPT_U8)(cap>>56);
615 rbuf[1] = (HPT_U8)(cap>>48);
616 rbuf[2] = (HPT_U8)(cap>>40);
617 rbuf[3] = (HPT_U8)(cap>>32);
618 rbuf[4] = (HPT_U8)(cap>>24);
619 rbuf[5] = (HPT_U8)(cap>>16);
620 rbuf[6] = (HPT_U8)(cap>>8);
621 rbuf[7] = (HPT_U8)cap;
622 rbuf[8] = 0;
623 rbuf[9] = 0;
624 rbuf[10] = 2;
625 rbuf[11] = 0;
626
627 ccb->ccb_h.status = CAM_REQ_CMP;
628 break;
629 }
630
631 case READ_6:
632 case READ_10:
633 case READ_16:
634 case WRITE_6:
635 case WRITE_10:
636 case WRITE_16:
637 case 0x13:
638 case 0x2f:
639 case 0x8f: /* VERIFY_16 */
640 {
641 int error;
642 pCmd = ldm_alloc_cmds(vbus, vd->cmds_per_request);
643 if(!pCmd){
644 KdPrint(("Failed to allocate command!"));
645 ccb->ccb_h.status = CAM_BUSY;
646 break;
647 }
648
649 switch (cdb[0]) {
650 case READ_6:
651 case WRITE_6:
652 case 0x13:
653 pCmd->uCmd.Ide.Lba = ((HPT_U32)cdb[1] << 16) | ((HPT_U32)cdb[2] << 8) | (HPT_U32)cdb[3];
654 pCmd->uCmd.Ide.nSectors = (HPT_U16) cdb[4];
655 break;
656 case READ_16:
657 case WRITE_16:
658 case 0x8f: /* VERIFY_16 */
659 {
660 HPT_U64 block =
661 ((HPT_U64)cdb[2]<<56) |
662 ((HPT_U64)cdb[3]<<48) |
663 ((HPT_U64)cdb[4]<<40) |
664 ((HPT_U64)cdb[5]<<32) |
665 ((HPT_U64)cdb[6]<<24) |
666 ((HPT_U64)cdb[7]<<16) |
667 ((HPT_U64)cdb[8]<<8) |
668 ((HPT_U64)cdb[9]);
669 pCmd->uCmd.Ide.Lba = block;
670 pCmd->uCmd.Ide.nSectors = (HPT_U16)cdb[13] | ((HPT_U16)cdb[12]<<8);
671 break;
672 }
673
674 default:
675 pCmd->uCmd.Ide.Lba = (HPT_U32)cdb[5] | ((HPT_U32)cdb[4] << 8) | ((HPT_U32)cdb[3] << 16) | ((HPT_U32)cdb[2] << 24);
676 pCmd->uCmd.Ide.nSectors = (HPT_U16) cdb[8] | ((HPT_U16)cdb[7]<<8);
677 break;
678 }
679
680 switch (cdb[0]) {
681 case READ_6:
682 case READ_10:
683 case READ_16:
684 pCmd->flags.data_in = 1;
685 break;
686 case WRITE_6:
687 case WRITE_10:
688 case WRITE_16:
689 pCmd->flags.data_out = 1;
690 break;
691 }
692 pCmd->priv = ext = cmdext_get(vbus_ext);
693 HPT_ASSERT(ext);
694 ext->ccb = ccb;
695 pCmd->target = vd;
696 pCmd->done = os_cmddone;
697 pCmd->buildsgl = os_buildsgl;
698 pCmd->psg = ext->psg;
699 pCmd->flags.physical_sg = 1;
700 error = bus_dmamap_load_ccb(vbus_ext->io_dmat,
701 ext->dma_map, ccb,
702 hpt_io_dmamap_callback, pCmd,
703 BUS_DMA_WAITOK
704 );
705 KdPrint(("bus_dmamap_load return %d", error));
706 if (error && error!=EINPROGRESS) {
707 os_printk("bus_dmamap_load error %d", error);
708 cmdext_put(ext);
709 ldm_free_cmds(pCmd);
710 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
711 xpt_done(ccb);
712 }
713 return;
714 }
715
716 default:
717 ccb->ccb_h.status = CAM_REQ_INVALID;
718 break;
719 }
720
721 xpt_done(ccb);
722 return;
723}
724
725static void hpt_action(struct cam_sim *sim, union ccb *ccb)
726{
727 PVBUS_EXT vbus_ext = (PVBUS_EXT)cam_sim_softc(sim);
728
729 KdPrint(("hpt_action(fn=%d, id=%d)", ccb->ccb_h.func_code, ccb->ccb_h.target_id));
730
731 switch (ccb->ccb_h.func_code) {
732
733 case XPT_SCSI_IO:
734 hpt_lock_vbus(vbus_ext);
735 hpt_scsi_io(vbus_ext, ccb);
736 hpt_unlock_vbus(vbus_ext);
737 return;
738
739 case XPT_RESET_BUS:
740 hpt_lock_vbus(vbus_ext);
741 ldm_reset_vbus((PVBUS)vbus_ext->vbus);
742 hpt_unlock_vbus(vbus_ext);
743 break;
744
745 case XPT_GET_TRAN_SETTINGS:
746 case XPT_SET_TRAN_SETTINGS:
747 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
748 break;
749
750 case XPT_CALC_GEOMETRY:
751 ccb->ccg.heads = 255;
752 ccb->ccg.secs_per_track = 63;
753 ccb->ccg.cylinders = ccb->ccg.volume_size / (ccb->ccg.heads * ccb->ccg.secs_per_track);
754 ccb->ccb_h.status = CAM_REQ_CMP;
755 break;
756
757 case XPT_PATH_INQ:
758 {
759 struct ccb_pathinq *cpi = &ccb->cpi;
760
761 cpi->version_num = 1;
762 cpi->hba_inquiry = PI_SDTR_ABLE;
763 cpi->target_sprt = 0;
764 cpi->hba_misc = PIM_NOBUSRESET;
765 cpi->hba_eng_cnt = 0;
766 cpi->max_target = osm_max_targets;
767 cpi->max_lun = 0;
768 cpi->unit_number = cam_sim_unit(sim);
769 cpi->bus_id = cam_sim_bus(sim);
770 cpi->initiator_id = osm_max_targets;
771 cpi->base_transfer_speed = 3300;
772
773 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
774 strncpy(cpi->hba_vid, "HPT ", HBA_IDLEN);
775 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
776#if (__FreeBSD_version >= 800000)
777 cpi->transport = XPORT_SPI;
778 cpi->transport_version = 2;
779 cpi->protocol = PROTO_SCSI;
780 cpi->protocol_version = SCSI_REV_2;
781#endif
782 cpi->ccb_h.status = CAM_REQ_CMP;
783 break;
784 }
785
786 default:
787 ccb->ccb_h.status = CAM_REQ_INVALID;
788 break;
789 }
790
791 xpt_done(ccb);
792 return;
793}
794
795static void hpt_pci_intr(void *arg)
796{
797 PVBUS_EXT vbus_ext = (PVBUS_EXT)arg;
798 hpt_lock_vbus(vbus_ext);
799 ldm_intr((PVBUS)vbus_ext->vbus);
800 hpt_unlock_vbus(vbus_ext);
801}
802
803static void hpt_poll(struct cam_sim *sim)
804{
805 hpt_pci_intr(cam_sim_softc(sim));
806}
807
808static void hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path, void * arg)
809{
810 KdPrint(("hpt_async"));
811}
812
813static int hpt_shutdown(device_t dev)
814{
815 KdPrint(("hpt_shutdown(dev=%p)", dev));
816 return 0;
817}
818
819static int hpt_detach(device_t dev)
820{
821 /* we don't allow the driver to be unloaded. */
822 return EBUSY;
823}
824
825static void hpt_ioctl_done(struct _IOCTL_ARG *arg)
826{
827 arg->ioctl_cmnd = 0;
828 wakeup(arg);
829}
830
831static void __hpt_do_ioctl(PVBUS_EXT vbus_ext, IOCTL_ARG *ioctl_args)
832{
833 ioctl_args->result = -1;
834 ioctl_args->done = hpt_ioctl_done;
835 ioctl_args->ioctl_cmnd = (void *)1;
836
837 hpt_lock_vbus(vbus_ext);
838 ldm_ioctl((PVBUS)vbus_ext->vbus, ioctl_args);
839
840 while (ioctl_args->ioctl_cmnd) {
841 if (hpt_sleep(vbus_ext, ioctl_args, PPAUSE, "hptctl", HPT_OSM_TIMEOUT)==0)
842 break;
843 ldm_reset_vbus((PVBUS)vbus_ext->vbus);
844 __hpt_do_tasks(vbus_ext);
845 }
846
847 /* KdPrint(("ioctl %x result %d", ioctl_args->dwIoControlCode, ioctl_args->result)); */
848
849 hpt_unlock_vbus(vbus_ext);
850}
851
852static void hpt_do_ioctl(IOCTL_ARG *ioctl_args)
853{
854 PVBUS vbus;
855 PVBUS_EXT vbus_ext;
856
857 ldm_for_each_vbus(vbus, vbus_ext) {
858 __hpt_do_ioctl(vbus_ext, ioctl_args);
859 if (ioctl_args->result!=HPT_IOCTL_RESULT_WRONG_VBUS)
860 return;
861 }
862}
863
864#define HPT_DO_IOCTL(code, inbuf, insize, outbuf, outsize) ({\
865 IOCTL_ARG arg;\
866 arg.dwIoControlCode = code;\
867 arg.lpInBuffer = inbuf;\
868 arg.lpOutBuffer = outbuf;\
869 arg.nInBufferSize = insize;\
870 arg.nOutBufferSize = outsize;\
871 arg.lpBytesReturned = 0;\
872 hpt_do_ioctl(&arg);\
873 arg.result;\
874})
875
876#define DEVICEID_VALID(id) ((id) && ((HPT_U32)(id)!=0xffffffff))
877
878static int hpt_get_logical_devices(DEVICEID * pIds, int nMaxCount)
879{
880 int i;
881 HPT_U32 count = nMaxCount-1;
882
883 if (HPT_DO_IOCTL(HPT_IOCTL_GET_LOGICAL_DEVICES,
884 &count, sizeof(HPT_U32), pIds, sizeof(DEVICEID)*nMaxCount))
885 return -1;
886
887 nMaxCount = (int)pIds[0];
888 for (i=0; i<nMaxCount; i++) pIds[i] = pIds[i+1];
889 return nMaxCount;
890}
891
892static int hpt_get_device_info_v3(DEVICEID id, PLOGICAL_DEVICE_INFO_V3 pInfo)
893{
894 return HPT_DO_IOCTL(HPT_IOCTL_GET_DEVICE_INFO_V3,
895 &id, sizeof(DEVICEID), pInfo, sizeof(LOGICAL_DEVICE_INFO_V3));
896}
897
898/* not belong to this file logically, but we want to use ioctl interface */
899static int __hpt_stop_tasks(PVBUS_EXT vbus_ext, DEVICEID id)
900{
901 LOGICAL_DEVICE_INFO_V3 devinfo;
902 int i, result;
903 DEVICEID param[2] = { id, 0 };
904
905 if (hpt_get_device_info_v3(id, &devinfo))
906 return -1;
907
908 if (devinfo.Type!=LDT_ARRAY)
909 return -1;
910
911 if (devinfo.u.array.Flags & ARRAY_FLAG_REBUILDING)
912 param[1] = AS_REBUILD_ABORT;
913 else if (devinfo.u.array.Flags & ARRAY_FLAG_VERIFYING)
914 param[1] = AS_VERIFY_ABORT;
915 else if (devinfo.u.array.Flags & ARRAY_FLAG_INITIALIZING)
916 param[1] = AS_INITIALIZE_ABORT;
917 else if (devinfo.u.array.Flags & ARRAY_FLAG_TRANSFORMING)
918 param[1] = AS_TRANSFORM_ABORT;
919 else
920 return -1;
921
922 KdPrint(("SET_ARRAY_STATE(%x, %d)", param[0], param[1]));
923 result = HPT_DO_IOCTL(HPT_IOCTL_SET_ARRAY_STATE,
924 param, sizeof(param), 0, 0);
925
926 for (i=0; i<devinfo.u.array.nDisk; i++)
927 if (DEVICEID_VALID(devinfo.u.array.Members[i]))
928 __hpt_stop_tasks(vbus_ext, devinfo.u.array.Members[i]);
929
930 return result;
931}
932
933static void hpt_stop_tasks(PVBUS_EXT vbus_ext)
934{
935 DEVICEID ids[32];
936 int i, count;
937
938 count = hpt_get_logical_devices((DEVICEID *)&ids, sizeof(ids)/sizeof(ids[0]));
939
940 for (i=0; i<count; i++)
941 __hpt_stop_tasks(vbus_ext, ids[i]);
942}
943
944static d_open_t hpt_open;
945static d_close_t hpt_close;
946static d_ioctl_t hpt_ioctl;
947static int hpt_rescan_bus(void);
948
949static struct cdevsw hpt_cdevsw = {
950 .d_open = hpt_open,
951 .d_close = hpt_close,
952 .d_ioctl = hpt_ioctl,
953 .d_name = driver_name,
954#if __FreeBSD_version>=503000
955 .d_version = D_VERSION,
956#endif
957#if (__FreeBSD_version>=503000 && __FreeBSD_version<600034)
958 .d_flags = D_NEEDGIANT,
959#endif
960#if __FreeBSD_version<600034
961#if __FreeBSD_version>501000
962 .d_maj = MAJOR_AUTO,
963#else
964 .d_maj = HPT_DEV_MAJOR,
965#endif
966#endif
967};
968
969static struct intr_config_hook hpt_ich;
970
971/*
972 * hpt_final_init will be called after all hpt_attach.
973 */
974static void hpt_final_init(void *dummy)
975{
976 int i,unit_number=0;
977 PVBUS_EXT vbus_ext;
978 PVBUS vbus;
979 PHBA hba;
980
981 /* Clear the config hook */
982 config_intrhook_disestablish(&hpt_ich);
983
984 /* allocate memory */
985 i = 0;
986 ldm_for_each_vbus(vbus, vbus_ext) {
987 if (hpt_alloc_mem(vbus_ext)) {
988 os_printk("out of memory");
989 return;
990 }
991 i++;
992 }
993
994 if (!i) {
995 if (bootverbose)
996 os_printk("no controller detected.");
997 return;
998 }
999
1000 /* initializing hardware */
1001 ldm_for_each_vbus(vbus, vbus_ext) {
1002 /* make timer available here */
1003 callout_handle_init(&vbus_ext->timer);
1004 if (hpt_init_vbus(vbus_ext)) {
1005 os_printk("fail to initialize hardware");
1006 break; /* FIXME */
1007 }
1008 }
1009
1010 /* register CAM interface */
1011 ldm_for_each_vbus(vbus, vbus_ext) {
1012 struct cam_devq *devq;
1013 struct ccb_setasync ccb;
1014
1015#if (__FreeBSD_version >= 500000)
1016 mtx_init(&vbus_ext->lock, "hptsleeplock", NULL, MTX_DEF);
1017#endif
1018 if (bus_dma_tag_create(NULL,/* parent */
1019 4, /* alignment */
1020 BUS_SPACE_MAXADDR_32BIT+1, /* boundary */
1021 BUS_SPACE_MAXADDR, /* lowaddr */
1022 BUS_SPACE_MAXADDR, /* highaddr */
1023 NULL, NULL, /* filter, filterarg */
1024 PAGE_SIZE * (os_max_sg_descriptors-1), /* maxsize */
1025 os_max_sg_descriptors, /* nsegments */
1026 0x10000, /* maxsegsize */
1027 BUS_DMA_WAITOK, /* flags */
1028#if __FreeBSD_version>502000
1029 busdma_lock_mutex, /* lockfunc */
1030 &vbus_ext->lock, /* lockfuncarg */
1031#endif
1032 &vbus_ext->io_dmat /* tag */))
1033 {
1034 return ;
1035 }
1036
1037 for (i=0; i<os_max_queue_comm; i++) {
1038 POS_CMDEXT ext = (POS_CMDEXT)malloc(sizeof(OS_CMDEXT), M_DEVBUF, M_WAITOK);
1039 if (!ext) {
1040 os_printk("Can't alloc cmdext(%d)", i);
1041 return ;
1042 }
1043 ext->vbus_ext = vbus_ext;
1044 ext->next = vbus_ext->cmdext_list;
1045 vbus_ext->cmdext_list = ext;
1046
1047 if (bus_dmamap_create(vbus_ext->io_dmat, 0, &ext->dma_map)) {
1048 os_printk("Can't create dma map(%d)", i);
1049 return ;
1050 }
1051 callout_handle_init(&ext->timeout_ch);
1052 }
1053
1054 if ((devq = cam_simq_alloc(os_max_queue_comm)) == NULL) {
1055 os_printk("cam_simq_alloc failed");
1056 return ;
1057 }
1058
1059#if __FreeBSD_version > 700025
1060 vbus_ext->sim = cam_sim_alloc(hpt_action, hpt_poll, driver_name,
1061 vbus_ext, unit_number, &Giant, os_max_queue_comm, /*tagged*/8, devq);
1062#else
1063 vbus_ext->sim = cam_sim_alloc(hpt_action, hpt_poll, driver_name,
1064 vbus_ext, unit_number, os_max_queue_comm, /*tagged*/8, devq);
1065#endif
1066 unit_number++;
1067 if (!vbus_ext->sim) {
1068 os_printk("cam_sim_alloc failed");
1069 cam_simq_free(devq);
1070 return ;
1071 }
1072
1073#if __FreeBSD_version > 700044
1074 if (xpt_bus_register(vbus_ext->sim, NULL, 0) != CAM_SUCCESS) {
1075#else
1076 if (xpt_bus_register(vbus_ext->sim, 0) != CAM_SUCCESS) {
1077#endif
1078 os_printk("xpt_bus_register failed");
1079 cam_sim_free(vbus_ext->sim, /*free devq*/ TRUE);
1080 vbus_ext->sim = NULL;
1081 return ;
1082 }
1083
1084 if (xpt_create_path(&vbus_ext->path, /*periph */ NULL,
1085 cam_sim_path(vbus_ext->sim), CAM_TARGET_WILDCARD,
1086 CAM_LUN_WILDCARD) != CAM_REQ_CMP)
1087 {
1088 os_printk("xpt_create_path failed");
1089 xpt_bus_deregister(cam_sim_path(vbus_ext->sim));
1090 cam_sim_free(vbus_ext->sim, /*free_devq*/TRUE);
1091 vbus_ext->sim = NULL;
1092 return ;
1093 }
1094
1095 xpt_setup_ccb(&ccb.ccb_h, vbus_ext->path, /*priority*/5);
1096 ccb.ccb_h.func_code = XPT_SASYNC_CB;
1097 ccb.event_enable = AC_LOST_DEVICE;
1098 ccb.callback = hpt_async;
1099 ccb.callback_arg = vbus_ext;
1100 xpt_action((union ccb *)&ccb);
1101
1102 for (hba = vbus_ext->hba_list; hba; hba = hba->next) {
1103 int rid = 0;
1104 if ((hba->irq_res = bus_alloc_resource(hba->pcidev,
1105 SYS_RES_IRQ, &rid, 0, ~0ul, 1, RF_SHAREABLE | RF_ACTIVE)) == NULL)
1106 {
1107 os_printk("can't allocate interrupt");
1108 return ;
1109 }
1110
1111 if (bus_setup_intr(hba->pcidev, hba->irq_res, INTR_TYPE_CAM,
1112#if __FreeBSD_version > 700025
1113 NULL, hpt_pci_intr, vbus_ext, &hba->irq_handle))
1114#else
1115 hpt_pci_intr, vbus_ext, &hba->irq_handle))
1116#endif
1117 {
1118 os_printk("can't set up interrupt");
1119 return ;
1120 }
1121 hba->ldm_adapter.him->intr_control(hba->ldm_adapter.him_handle, HPT_TRUE);
1122
1123 }
1124
1125 vbus_ext->shutdown_eh = EVENTHANDLER_REGISTER(shutdown_final,
1126 hpt_shutdown_vbus, vbus_ext, SHUTDOWN_PRI_DEFAULT);
1127 if (!vbus_ext->shutdown_eh)
1128 os_printk("Shutdown event registration failed");
1129 }
1130
1131 ldm_for_each_vbus(vbus, vbus_ext) {
1132 TASK_INIT(&vbus_ext->worker, 0, (task_fn_t *)hpt_do_tasks, vbus_ext);
1133 if (vbus_ext->tasks)
1134 TASK_ENQUEUE(&vbus_ext->worker);
1135 }
1136
1137 make_dev(&hpt_cdevsw, DRIVER_MINOR, UID_ROOT, GID_OPERATOR,
1138 S_IRUSR | S_IWUSR, "%s", driver_name);
1139}
1140
1141#if defined(KLD_MODULE) && (__FreeBSD_version >= 503000)
1142
1143typedef struct driverlink *driverlink_t;
1144struct driverlink {
1145 kobj_class_t driver;
1146 TAILQ_ENTRY(driverlink) link; /* list of drivers in devclass */
1147};
1148
1149typedef TAILQ_HEAD(driver_list, driverlink) driver_list_t;
1150
1151struct devclass {
1152 TAILQ_ENTRY(devclass) link;
1153 devclass_t parent; /* parent in devclass hierarchy */
1154 driver_list_t drivers; /* bus devclasses store drivers for bus */
1155 char *name;
1156 device_t *devices; /* array of devices indexed by unit */
1157 int maxunit; /* size of devices array */
1158};
1159
1160static void override_kernel_driver(void)
1161{
1162 driverlink_t dl, dlfirst;
1163 driver_t *tmpdriver;
1164 devclass_t dc = devclass_find("pci");
1165
1166 if (dc){
1167 dlfirst = TAILQ_FIRST(&dc->drivers);
1168 for (dl = dlfirst; dl; dl = TAILQ_NEXT(dl, link)) {
1169 if(strcmp(dl->driver->name, driver_name) == 0) {
1170 tmpdriver=dl->driver;
1171 dl->driver=dlfirst->driver;
1172 dlfirst->driver=tmpdriver;
1173 break;
1174 }
1175 }
1176 }
1177}
1178
1179#else
1180#define override_kernel_driver()
1181#endif
1182
1183static void hpt_init(void *dummy)
1184{
1185 if (bootverbose)
1186 os_printk("%s %s", driver_name_long, driver_ver);
1187
1188 override_kernel_driver();
1189 init_config();
1190
1191 hpt_ich.ich_func = hpt_final_init;
1192 hpt_ich.ich_arg = NULL;
1193 if (config_intrhook_establish(&hpt_ich) != 0) {
1194 printf("%s: cannot establish configuration hook\n",
1195 driver_name_long);
1196 }
1197
1198}
1199SYSINIT(hptinit, SI_SUB_CONFIGURE, SI_ORDER_FIRST, hpt_init, NULL);
1200
1201/*
1202 * CAM driver interface
1203 */
1204static device_method_t driver_methods[] = {
1205 /* Device interface */
1206 DEVMETHOD(device_probe, hpt_probe),
1207 DEVMETHOD(device_attach, hpt_attach),
1208 DEVMETHOD(device_detach, hpt_detach),
1209 DEVMETHOD(device_shutdown, hpt_shutdown),
1210 { 0, 0 }
1211};
1212
1213static driver_t hpt_pci_driver = {
1214 driver_name,
1215 driver_methods,
1216 sizeof(HBA)
1217};
1218
1219static devclass_t hpt_devclass;
1220
1221#ifndef TARGETNAME
1222#error "no TARGETNAME found"
1223#endif
1224
1225/* use this to make TARGETNAME be expanded */
1226#define __DRIVER_MODULE(p1, p2, p3, p4, p5, p6) DRIVER_MODULE(p1, p2, p3, p4, p5, p6)
1227#define __MODULE_VERSION(p1, p2) MODULE_VERSION(p1, p2)
1228#define __MODULE_DEPEND(p1, p2, p3, p4, p5) MODULE_DEPEND(p1, p2, p3, p4, p5)
1229__DRIVER_MODULE(TARGETNAME, pci, hpt_pci_driver, hpt_devclass, 0, 0);
1230__MODULE_VERSION(TARGETNAME, 1);
1231__MODULE_DEPEND(TARGETNAME, cam, 1, 1, 1);
1232
1233#if __FreeBSD_version>503000
1234typedef struct cdev * ioctl_dev_t;
1235#else
1236typedef dev_t ioctl_dev_t;
1237#endif
1238
1239#if __FreeBSD_version >= 500000
1240typedef struct thread * ioctl_thread_t;
1241#else
1242typedef struct proc * ioctl_thread_t;
1243#endif
1244
1245static int hpt_open(ioctl_dev_t dev, int flags, int devtype, ioctl_thread_t td)
1246{
1247 return 0;
1248}
1249
1250static int hpt_close(ioctl_dev_t dev, int flags, int devtype, ioctl_thread_t td)
1251{
1252 return 0;
1253}
1254
1255static int hpt_ioctl(ioctl_dev_t dev, u_long cmd, caddr_t data, int fflag, ioctl_thread_t td)
1256{
1257 PHPT_IOCTL_PARAM piop=(PHPT_IOCTL_PARAM)data;
1258 IOCTL_ARG ioctl_args;
1259 HPT_U32 bytesReturned;
1260
1261 switch (cmd){
1262 case HPT_DO_IOCONTROL:
1263 {
1264 if (piop->Magic == HPT_IOCTL_MAGIC || piop->Magic == HPT_IOCTL_MAGIC32) {
1265 KdPrint(("ioctl=%x in=%p len=%d out=%p len=%d\n",
1266 piop->dwIoControlCode,
1267 piop->lpInBuffer,
1268 piop->nInBufferSize,
1269 piop->lpOutBuffer,
1270 piop->nOutBufferSize));
1271
1272 memset(&ioctl_args, 0, sizeof(ioctl_args));
1273
1274 ioctl_args.dwIoControlCode = piop->dwIoControlCode;
1275 ioctl_args.nInBufferSize = piop->nInBufferSize;
1276 ioctl_args.nOutBufferSize = piop->nOutBufferSize;
1277 ioctl_args.lpBytesReturned = &bytesReturned;
1278
1279 if (ioctl_args.nInBufferSize) {
1280 ioctl_args.lpInBuffer = malloc(ioctl_args.nInBufferSize, M_DEVBUF, M_WAITOK);
1281 if (!ioctl_args.lpInBuffer)
1282 goto invalid;
1283 if (copyin((void*)piop->lpInBuffer,
1284 ioctl_args.lpInBuffer, piop->nInBufferSize))
1285 goto invalid;
1286 }
1287
1288 if (ioctl_args.nOutBufferSize) {
1289 ioctl_args.lpOutBuffer = malloc(ioctl_args.nOutBufferSize, M_DEVBUF, M_WAITOK);
1290 if (!ioctl_args.lpOutBuffer)
1291 goto invalid;
1292 }
1293
1294#if (__FreeBSD_version >= 500000)
1295 mtx_lock(&Giant);
1296#endif
1297
1298 hpt_do_ioctl(&ioctl_args);
1299
1300#if (__FreeBSD_version >= 500000)
1301 mtx_unlock(&Giant);
1302#endif
1303
1304 if (ioctl_args.result==HPT_IOCTL_RESULT_OK) {
1305 if (piop->nOutBufferSize) {
1306 if (copyout(ioctl_args.lpOutBuffer,
1307 (void*)piop->lpOutBuffer, piop->nOutBufferSize))
1308 goto invalid;
1309 }
1310 if (piop->lpBytesReturned) {
1311 if (copyout(&bytesReturned,
1312 (void*)piop->lpBytesReturned, sizeof(HPT_U32)))
1313 goto invalid;
1314 }
1315 if (ioctl_args.lpInBuffer) free(ioctl_args.lpInBuffer, M_DEVBUF);
1316 if (ioctl_args.lpOutBuffer) free(ioctl_args.lpOutBuffer, M_DEVBUF);
1317 return 0;
1318 }
1319invalid:
1320 if (ioctl_args.lpInBuffer) free(ioctl_args.lpInBuffer, M_DEVBUF);
1321 if (ioctl_args.lpOutBuffer) free(ioctl_args.lpOutBuffer, M_DEVBUF);
1322 return EFAULT;
1323 }
1324 return EFAULT;
1325 }
1326
1327 case HPT_SCAN_BUS:
1328 {
1329 return hpt_rescan_bus();
1330 }
1331 default:
1332 KdPrint(("invalid command!"));
1333 return EFAULT;
1334 }
1335
1336}
1337
1338static int hpt_rescan_bus(void)
1339{
1340 union ccb *ccb;
1341 PVBUS vbus;
1342 PVBUS_EXT vbus_ext;
1343
1344 mtx_lock(&Giant);
1345
1346 ldm_for_each_vbus(vbus, vbus_ext) {
1347 if ((ccb = xpt_alloc_ccb()) == NULL)
1348 {
1349 return(ENOMEM);
1350 }
1351 if (xpt_create_path(&ccb->ccb_h.path, NULL, cam_sim_path(vbus_ext->sim),
1352 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP)
1353 {
1354 xpt_free_ccb(ccb);
1355 return(EIO);
1356 }
1357 xpt_rescan(ccb);
1358 }
1359 mtx_unlock(&Giant);
1360 return(0);
1361}
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