1 /*
2 * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
3 */
4
5 /*
6 * Copyright 2005-06 Adaptec, Inc.
7 * Copyright (c) 2005-06 Adaptec Inc., Achim Leubner
8 * Copyright (c) 2000 Michael Smith
9 * Copyright (c) 2001 Scott Long
10 * Copyright (c) 2000 BSDi
11 * All rights reserved.
12 *
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
15 * are met:
16 * 1. Redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer.
18 * 2. Redistributions in binary form must reproduce the above copyright
19 * notice, this list of conditions and the following disclaimer in the
20 * documentation and/or other materials provided with the distribution.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 */
34 #include <sys/modctl.h>
35 #include <sys/conf.h>
36 #include <sys/cmn_err.h>
37 #include <sys/ddi.h>
38 #include <sys/devops.h>
39 #include <sys/pci.h>
40 #include <sys/types.h>
41 #include <sys/ddidmareq.h>
42 #include <sys/scsi/scsi.h>
43 #include <sys/ksynch.h>
44 #include <sys/sunddi.h>
45 #include <sys/byteorder.h>
46 #include <sys/kmem.h>
47 #include "aac_regs.h"
48 #include "aac.h"
49 #include "aac_ioctl.h"
50
51 struct aac_umem_sge {
52 uint32_t bcount;
53 caddr_t addr;
54 struct aac_cmd acp;
55 };
56
57 /*
58 * External functions
59 */
60 extern int aac_sync_mbcommand(struct aac_softstate *, uint32_t, uint32_t,
61 uint32_t, uint32_t, uint32_t, uint32_t *);
62 extern int aac_cmd_dma_alloc(struct aac_softstate *, struct aac_cmd *,
63 struct buf *, int, int (*)(), caddr_t);
64 extern void aac_free_dmamap(struct aac_cmd *);
65 extern int aac_do_io(struct aac_softstate *, struct aac_cmd *);
66 extern void aac_cmd_fib_copy(struct aac_softstate *, struct aac_cmd *);
67 extern void aac_ioctl_complete(struct aac_softstate *, struct aac_cmd *);
68 extern int aac_return_aif_wait(struct aac_softstate *, struct aac_fib_context *,
69 struct aac_fib **);
70 extern int aac_return_aif(struct aac_softstate *, struct aac_fib_context *,
71 struct aac_fib **);
72
73 extern ddi_device_acc_attr_t aac_acc_attr;
74 extern int aac_check_dma_handle(ddi_dma_handle_t);
75
76 /*
77 * IOCTL command handling functions
78 */
79 static int aac_check_revision(struct aac_softstate *, intptr_t, int);
80 static int aac_ioctl_send_fib(struct aac_softstate *, intptr_t, int);
81 static int aac_open_getadapter_fib(struct aac_softstate *, intptr_t, int);
82 static int aac_next_getadapter_fib(struct aac_softstate *, intptr_t, int);
83 static int aac_close_getadapter_fib(struct aac_softstate *, intptr_t);
84 static int aac_send_raw_srb(struct aac_softstate *, dev_t, intptr_t, int);
85 static int aac_get_pci_info(struct aac_softstate *, intptr_t, int);
86 static int aac_query_disk(struct aac_softstate *, intptr_t, int);
87 static int aac_delete_disk(struct aac_softstate *, intptr_t, int);
88 static int aac_supported_features(struct aac_softstate *, intptr_t, int);
89
90 /*
91 * Warlock directives
92 */
93 _NOTE(SCHEME_PROTECTS_DATA("unique to each handling function", aac_features
94 aac_pci_info aac_query_disk aac_revision aac_umem_sge))
95
96 int
97 aac_do_ioctl(struct aac_softstate *softs, dev_t dev, int cmd, intptr_t arg,
98 int mode)
99 {
100 int status;
101
102 switch (cmd) {
103 case FSACTL_MINIPORT_REV_CHECK:
104 AACDB_PRINT_IOCTL(softs, "FSACTL_MINIPORT_REV_CHECK");
105 status = aac_check_revision(softs, arg, mode);
106 break;
107 case FSACTL_SENDFIB:
108 AACDB_PRINT_IOCTL(softs, "FSACTL_SEND_LARGE_FIB");
109 goto send_fib;
110 case FSACTL_SEND_LARGE_FIB:
111 AACDB_PRINT_IOCTL(softs, "FSACTL_SEND_LARGE_FIB");
112 send_fib:
113 status = aac_ioctl_send_fib(softs, arg, mode);
114 break;
115 case FSACTL_OPEN_GET_ADAPTER_FIB:
116 AACDB_PRINT_IOCTL(softs, "FSACTL_OPEN_GET_ADAPTER_FIB");
117 status = aac_open_getadapter_fib(softs, arg, mode);
118 break;
119 case FSACTL_GET_NEXT_ADAPTER_FIB:
120 AACDB_PRINT_IOCTL(softs, "FSACTL_GET_NEXT_ADAPTER_FIB");
121 status = aac_next_getadapter_fib(softs, arg, mode);
122 break;
123 case FSACTL_CLOSE_GET_ADAPTER_FIB:
124 AACDB_PRINT_IOCTL(softs, "FSACTL_CLOSE_GET_ADAPTER_FIB");
125 status = aac_close_getadapter_fib(softs, arg);
126 break;
127 case FSACTL_SEND_RAW_SRB:
128 AACDB_PRINT_IOCTL(softs, "FSACTL_SEND_RAW_SRB");
129 status = aac_send_raw_srb(softs, dev, arg, mode);
130 break;
131 case FSACTL_GET_PCI_INFO:
132 AACDB_PRINT_IOCTL(softs, "FSACTL_GET_PCI_INFO");
133 status = aac_get_pci_info(softs, arg, mode);
134 break;
135 case FSACTL_QUERY_DISK:
136 AACDB_PRINT_IOCTL(softs, "FSACTL_QUERY_DISK");
137 status = aac_query_disk(softs, arg, mode);
138 break;
139 case FSACTL_DELETE_DISK:
140 AACDB_PRINT_IOCTL(softs, "FSACTL_DELETE_DISK");
141 status = aac_delete_disk(softs, arg, mode);
142 break;
143 case FSACTL_GET_FEATURES:
144 AACDB_PRINT_IOCTL(softs, "FSACTL_GET_FEATURES");
145 status = aac_supported_features(softs, arg, mode);
146 break;
147 default:
148 status = ENOTTY;
149 AACDB_PRINT(softs, CE_WARN,
150 "!IOCTL cmd 0x%x not supported", cmd);
151 break;
152 }
153
154 return (status);
155 }
156
157 /*ARGSUSED*/
158 static int
159 aac_check_revision(struct aac_softstate *softs, intptr_t arg, int mode)
160 {
161 union aac_revision_align un;
162 struct aac_revision *aac_rev = &un.d;
163
164 DBCALLED(softs, 2);
165
166 /* Copyin the revision struct from userspace */
167 if (ddi_copyin((void *)arg, aac_rev,
168 sizeof (struct aac_revision), mode) != 0)
169 return (EFAULT);
170
171 /* Doctor up the response struct */
172 aac_rev->compat = 1;
173 aac_rev->version =
174 ((uint32_t)AAC_DRIVER_MAJOR_VERSION << 24) |
175 ((uint32_t)AAC_DRIVER_MINOR_VERSION << 16) |
176 ((uint32_t)AAC_DRIVER_TYPE << 8) |
177 ((uint32_t)AAC_DRIVER_BUGFIX_LEVEL);
178 aac_rev->build = (uint32_t)AAC_DRIVER_BUILD;
179
180 if (ddi_copyout(aac_rev, (void *)arg,
181 sizeof (struct aac_revision), mode) != 0)
182 return (EFAULT);
183
184 return (0);
185 }
186
187 static int
188 aac_send_fib(struct aac_softstate *softs, struct aac_cmd *acp)
189 {
190 int rval;
191
192 acp->flags |= AAC_CMD_NO_CB | AAC_CMD_SYNC;
193 acp->ac_comp = aac_ioctl_complete;
194
195 mutex_enter(&softs->io_lock);
196 if (softs->state & AAC_STATE_DEAD) {
197 mutex_exit(&softs->io_lock);
198 return (ENXIO);
199 }
200
201 rval = aac_do_io(softs, acp);
202 if (rval == TRAN_ACCEPT) {
203 rval = 0;
204 } else if (rval == TRAN_BADPKT) {
205 AACDB_PRINT(softs, CE_CONT, "User SendFib failed ENXIO");
206 rval = ENXIO;
207 } else if (rval == TRAN_BUSY) {
208 AACDB_PRINT(softs, CE_CONT, "User SendFib failed EBUSY");
209 rval = EBUSY;
210 }
211 mutex_exit(&softs->io_lock);
212
213 return (rval);
214 }
215
216 static int
217 aac_ioctl_send_fib(struct aac_softstate *softs, intptr_t arg, int mode)
218 {
219 int hbalen;
220 struct aac_cmd *acp;
221 struct aac_fib *fibp;
222 uint16_t fib_command;
223 uint32_t fib_xfer_state;
224 uint16_t fib_data_size, fib_size;
225 uint16_t fib_sender_size;
226 int rval;
227
228 DBCALLED(softs, 2);
229
230 /* Copy in FIB header */
231 hbalen = sizeof (struct aac_cmd) + softs->aac_max_fib_size;
232 if ((acp = kmem_zalloc(hbalen, KM_NOSLEEP)) == NULL)
233 return (ENOMEM);
234
235 fibp = (struct aac_fib *)(acp + 1);
236 acp->fibp = fibp;
237 if (ddi_copyin((void *)arg, fibp,
238 sizeof (struct aac_fib_header), mode) != 0) {
239 rval = EFAULT;
240 goto finish;
241 }
242
243 fib_xfer_state = LE_32(fibp->Header.XferState);
244 fib_command = LE_16(fibp->Header.Command);
245 fib_data_size = LE_16(fibp->Header.Size);
246 fib_sender_size = LE_16(fibp->Header.SenderSize);
247
248 fib_size = fib_data_size + sizeof (struct aac_fib_header);
249 if (fib_size < fib_sender_size)
250 fib_size = fib_sender_size;
251 if (fib_size > softs->aac_max_fib_size) {
252 rval = EFAULT;
253 goto finish;
254 }
255
256 /* Copy in FIB data */
257 if (ddi_copyin(((struct aac_fib *)arg)->data, fibp->data,
258 fib_data_size, mode) != 0) {
259 rval = EFAULT;
260 goto finish;
261 }
262 acp->fib_size = fib_size;
263 fibp->Header.Size = LE_16(fib_size);
264
265 /* Process FIB */
266 if (fib_command == TakeABreakPt) {
267 #ifdef DEBUG
268 if (aac_dbflag_on(softs, AACDB_FLAGS_FIB) &&
269 (softs->debug_fib_flags & AACDB_FLAGS_FIB_IOCTL))
270 aac_printf(softs, CE_NOTE, "FIB> TakeABreakPt, sz=%d",
271 fib_size);
272 #endif
273 (void) aac_sync_mbcommand(softs, AAC_BREAKPOINT_REQ,
274 0, 0, 0, 0, NULL);
275 fibp->Header.XferState = LE_32(0);
276 } else {
277 ASSERT(!(fib_xfer_state & AAC_FIBSTATE_ASYNC));
278 fibp->Header.XferState = LE_32(fib_xfer_state | \
279 (AAC_FIBSTATE_FROMHOST | AAC_FIBSTATE_REXPECTED));
280
281 acp->timeout = AAC_IOCTL_TIMEOUT;
282 acp->aac_cmd_fib = aac_cmd_fib_copy;
283 #ifdef DEBUG
284 acp->fib_flags = AACDB_FLAGS_FIB_IOCTL;
285 #endif
286 if ((rval = aac_send_fib(softs, acp)) != 0)
287 goto finish;
288 }
289
290 if (acp->flags & AAC_CMD_ERR) {
291 AACDB_PRINT(softs, CE_CONT, "FIB data corrupt");
292 rval = EIO;
293 goto finish;
294 }
295
296 if (ddi_copyout(fibp, (void *)arg, acp->fib_size, mode) != 0) {
297 AACDB_PRINT(softs, CE_CONT, "FIB copyout failed");
298 rval = EFAULT;
299 goto finish;
300 }
301
302 rval = 0;
303 finish:
304 kmem_free(acp, hbalen);
305 return (rval);
306 }
307
308 static int
309 aac_open_getadapter_fib(struct aac_softstate *softs, intptr_t arg, int mode)
310 {
311 struct aac_fib_context *fibctx_p, *ctx_p;
312
313 DBCALLED(softs, 2);
314
315 fibctx_p = kmem_zalloc(sizeof (struct aac_fib_context), KM_NOSLEEP);
316 if (fibctx_p == NULL)
317 return (ENOMEM);
318
319 mutex_enter(&softs->aifq_mutex);
320 /* All elements are already 0, add to queue */
321 if (softs->fibctx_p == NULL) {
322 softs->fibctx_p = fibctx_p;
323 } else {
324 for (ctx_p = softs->fibctx_p; ctx_p->next; ctx_p = ctx_p->next)
325 ;
326 ctx_p->next = fibctx_p;
327 fibctx_p->prev = ctx_p;
328 }
329
330 /* Evaluate unique value */
331 fibctx_p->unique = (unsigned long)fibctx_p & 0xfffffffful;
332 ctx_p = softs->fibctx_p;
333 while (ctx_p != fibctx_p) {
334 if (ctx_p->unique == fibctx_p->unique) {
335 fibctx_p->unique++;
336 ctx_p = softs->fibctx_p;
337 } else {
338 ctx_p = ctx_p->next;
339 }
340 }
341
342 /* Set ctx_idx to the oldest AIF */
343 if (softs->aifq_wrap) {
344 fibctx_p->ctx_idx = softs->aifq_idx;
345 fibctx_p->ctx_filled = 1;
346 }
347 mutex_exit(&softs->aifq_mutex);
348
349 if (ddi_copyout(&fibctx_p->unique, (void *)arg,
350 sizeof (uint32_t), mode) != 0)
351 return (EFAULT);
352
353 return (0);
354 }
355
356 static int
357 aac_next_getadapter_fib(struct aac_softstate *softs, intptr_t arg, int mode)
358 {
359 union aac_get_adapter_fib_align un;
360 struct aac_get_adapter_fib *af = &un.d;
361 struct aac_fib_context *ctx_p;
362 struct aac_fib *fibp;
363 int rval;
364
365 DBCALLED(softs, 2);
366
367 if (ddi_copyin((void *)arg, af, sizeof (*af), mode) != 0)
368 return (EFAULT);
369
370 mutex_enter(&softs->aifq_mutex);
371 for (ctx_p = softs->fibctx_p; ctx_p; ctx_p = ctx_p->next) {
372 if (af->context == ctx_p->unique)
373 break;
374 }
375 mutex_exit(&softs->aifq_mutex);
376
377 if (ctx_p) {
378 if (af->wait)
379 rval = aac_return_aif_wait(softs, ctx_p, &fibp);
380 else
381 rval = aac_return_aif(softs, ctx_p, &fibp);
382 }
383 else
384 rval = EFAULT;
385
386 finish:
387 if (rval == 0) {
388 if (ddi_copyout(fibp,
389 #ifdef _LP64
390 (void *)(uint64_t)af->aif_fib,
391 #else
392 (void *)af->aif_fib,
393 #endif
394 sizeof (struct aac_fib), mode) != 0)
395 rval = EFAULT;
396 }
397 return (rval);
398 }
399
400 static int
401 aac_close_getadapter_fib(struct aac_softstate *softs, intptr_t arg)
402 {
403 struct aac_fib_context *ctx_p;
404
405 DBCALLED(softs, 2);
406
407 mutex_enter(&softs->aifq_mutex);
408 for (ctx_p = softs->fibctx_p; ctx_p; ctx_p = ctx_p->next) {
409 if (ctx_p->unique != (uint32_t)arg)
410 continue;
411
412 if (ctx_p == softs->fibctx_p)
413 softs->fibctx_p = ctx_p->next;
414 else
415 ctx_p->prev->next = ctx_p->next;
416 if (ctx_p->next)
417 ctx_p->next->prev = ctx_p->prev;
418 break;
419 }
420 mutex_exit(&softs->aifq_mutex);
421 if (ctx_p)
422 kmem_free(ctx_p, sizeof (struct aac_fib_context));
423
424 return (0);
425 }
426
427 /*
428 * The following function comes from Adaptec:
429 *
430 * SRB is required for the new management tools
431 * Note: SRB passed down from IOCTL is always in CPU endianness.
432 */
433 static int
434 aac_send_raw_srb(struct aac_softstate *softs, dev_t dev, intptr_t arg, int mode)
435 {
436 struct aac_cmd *acp;
437 struct aac_fib *fibp;
438 struct aac_srb *srb;
439 uint32_t usr_fib_size;
440 uint32_t srb_sgcount;
441 struct aac_umem_sge *usgt = NULL;
442 struct aac_umem_sge *usge;
443 ddi_umem_cookie_t cookie;
444 int umem_flags = 0;
445 int direct = 0;
446 int locked = 0;
447 caddr_t addrlo = (caddr_t)-1;
448 caddr_t addrhi = 0;
449 struct aac_sge *sge, *sge0;
450 int sg64;
451 int rval;
452
453 DBCALLED(softs, 2);
454
455 /* Read srb size */
456 if (ddi_copyin(&((struct aac_srb *)arg)->count, &usr_fib_size,
457 sizeof (uint32_t), mode) != 0)
458 return (EFAULT);
459 if (usr_fib_size > (softs->aac_max_fib_size - \
460 sizeof (struct aac_fib_header)))
461 return (EINVAL);
462
463 if ((acp = kmem_zalloc(sizeof (struct aac_cmd) + usr_fib_size + \
464 sizeof (struct aac_fib_header), KM_NOSLEEP)) == NULL)
465 return (ENOMEM);
466
467 acp->fibp = (struct aac_fib *)(acp + 1);
468 fibp = acp->fibp;
469 srb = (struct aac_srb *)fibp->data;
470
471 /* Copy in srb */
472 if (ddi_copyin((void *)arg, srb, usr_fib_size, mode) != 0) {
473 rval = EFAULT;
474 goto finish;
475 }
476
477 srb_sgcount = srb->sg.SgCount; /* No endianness conversion needed */
478 if (srb_sgcount == 0)
479 goto send_fib;
480
481 /* Check FIB size */
482 if (usr_fib_size == (sizeof (struct aac_srb) + \
483 srb_sgcount * sizeof (struct aac_sg_entry64) - \
484 sizeof (struct aac_sg_entry))) {
485 sg64 = 1;
486 } else if (usr_fib_size == (sizeof (struct aac_srb) + \
487 (srb_sgcount - 1) * sizeof (struct aac_sg_entry))) {
488 sg64 = 0;
489 } else {
490 rval = EINVAL;
491 goto finish;
492 }
493
494 /* Read user SG table */
495 if ((usgt = kmem_zalloc(sizeof (struct aac_umem_sge) * srb_sgcount,
496 KM_NOSLEEP)) == NULL) {
497 rval = ENOMEM;
498 goto finish;
499 }
500 for (usge = usgt; usge < &usgt[srb_sgcount]; usge++) {
501 if (sg64) {
502 struct aac_sg_entry64 *sg64p =
503 (struct aac_sg_entry64 *)srb->sg.SgEntry;
504
505 usge->bcount = sg64p->SgByteCount;
506 usge->addr = (caddr_t)
507 #ifndef _LP64
508 (uint32_t)
509 #endif
510 sg64p->SgAddress;
511 } else {
512 struct aac_sg_entry *sgp = srb->sg.SgEntry;
513
514 usge->bcount = sgp->SgByteCount;
515 usge->addr = (caddr_t)
516 #ifdef _LP64
517 (uint64_t)
518 #endif
519 sgp->SgAddress;
520 }
521 acp->bcount += usge->bcount;
522 if (usge->addr < addrlo)
523 addrlo = usge->addr;
524 if ((usge->addr + usge->bcount) > addrhi)
525 addrhi = usge->addr + usge->bcount;
526 }
527 if (acp->bcount > softs->buf_dma_attr.dma_attr_maxxfer) {
528 AACDB_PRINT(softs, CE_NOTE,
529 "large srb xfer size received %d\n", acp->bcount);
530 rval = EINVAL;
531 goto finish;
532 }
533
534 /* Lock user buffers */
535 if (srb->flags & SRB_DataIn) {
536 umem_flags |= DDI_UMEMLOCK_READ;
537 direct |= B_READ;
538 }
539 if (srb->flags & SRB_DataOut) {
540 umem_flags |= DDI_UMEMLOCK_WRITE;
541 direct |= B_WRITE;
542 }
543 addrlo = (caddr_t)((uintptr_t)addrlo & (uintptr_t)PAGEMASK);
544 rval = ddi_umem_lock(addrlo, (((size_t)addrhi + PAGEOFFSET) & \
545 PAGEMASK) - (size_t)addrlo, umem_flags, &cookie);
546 if (rval != 0) {
547 AACDB_PRINT(softs, CE_NOTE, "ddi_umem_lock failed: %d",
548 rval);
549 goto finish;
550 }
551 locked = 1;
552
553 /* Allocate DMA for user buffers */
554 for (usge = usgt; usge < &usgt[srb_sgcount]; usge++) {
555 struct buf *bp;
556
557 bp = ddi_umem_iosetup(cookie, (uintptr_t)usge->addr - \
558 (uintptr_t)addrlo, usge->bcount, direct, dev, 0, NULL,
559 DDI_UMEM_NOSLEEP);
560 if (bp == NULL) {
561 AACDB_PRINT(softs, CE_NOTE, "ddi_umem_iosetup failed");
562 rval = ENOMEM;
563 goto finish;
564 }
565 if (aac_cmd_dma_alloc(softs, &usge->acp, bp, 0, NULL_FUNC,
566 0) != AACOK) {
567 rval = EFAULT;
568 goto finish;
569 }
570 acp->left_cookien += usge->acp.left_cookien;
571 if (acp->left_cookien > softs->aac_sg_tablesize) {
572 AACDB_PRINT(softs, CE_NOTE, "large cookiec received %d",
573 acp->left_cookien);
574 rval = EINVAL;
575 goto finish;
576 }
577 }
578
579 /* Construct aac cmd SG table */
580 if ((sge = kmem_zalloc(sizeof (struct aac_sge) * acp->left_cookien,
581 KM_NOSLEEP)) == NULL) {
582 rval = ENOMEM;
583 goto finish;
584 }
585 acp->sgt = sge;
586 for (usge = usgt; usge < &usgt[srb_sgcount]; usge++) {
587 for (sge0 = usge->acp.sgt;
588 sge0 < &usge->acp.sgt[usge->acp.left_cookien];
589 sge0++, sge++)
590 *sge = *sge0;
591 }
592
593 send_fib:
594 acp->cmdlen = srb->cdb_size;
595 acp->timeout = srb->timeout;
596
597 /* Send FIB command */
598 acp->aac_cmd_fib = softs->aac_cmd_fib_scsi;
599 #ifdef DEBUG
600 acp->fib_flags = AACDB_FLAGS_FIB_SRB;
601 #endif
602 if ((rval = aac_send_fib(softs, acp)) != 0)
603 goto finish;
604
605 /* Status struct */
606 if (ddi_copyout((struct aac_srb_reply *)fibp->data,
607 ((uint8_t *)arg + usr_fib_size),
608 sizeof (struct aac_srb_reply), mode) != 0) {
609 rval = EFAULT;
610 goto finish;
611 }
612
613 rval = 0;
614 finish:
615 if (acp->sgt)
616 kmem_free(acp->sgt, sizeof (struct aac_sge) * \
617 acp->left_cookien);
618 if (usgt) {
619 for (usge = usgt; usge < &usgt[srb_sgcount]; usge++) {
620 if (usge->acp.sgt)
621 kmem_free(usge->acp.sgt,
622 sizeof (struct aac_sge) * \
623 usge->acp.left_cookien);
624 aac_free_dmamap(&usge->acp);
625 if (usge->acp.bp)
626 freerbuf(usge->acp.bp);
627 }
628 kmem_free(usgt, sizeof (struct aac_umem_sge) * srb_sgcount);
629 }
630 if (locked)
631 ddi_umem_unlock(cookie);
632 kmem_free(acp, sizeof (struct aac_cmd) + usr_fib_size + \
633 sizeof (struct aac_fib_header));
634 return (rval);
635 }
636
637 /*ARGSUSED*/
638 static int
639 aac_get_pci_info(struct aac_softstate *softs, intptr_t arg, int mode)
640 {
641 union aac_pci_info_align un;
642 struct aac_pci_info *resp = &un.d;
643 pci_regspec_t *pci_rp;
644 uint_t num;
645
646 DBCALLED(softs, 2);
647
648 if (ddi_prop_lookup_int_array(DDI_DEV_T_ANY, softs->devinfo_p,
649 DDI_PROP_DONTPASS, "reg", (int **)&pci_rp, &num) !=
650 DDI_PROP_SUCCESS)
651 return (EINVAL);
652 if (num < (sizeof (pci_regspec_t) / sizeof (int))) {
653 ddi_prop_free(pci_rp);
654 return (EINVAL);
655 }
656
657 resp->bus = PCI_REG_BUS_G(pci_rp->pci_phys_hi);
658 resp->slot = PCI_REG_DEV_G(pci_rp->pci_phys_hi);
659 ddi_prop_free(pci_rp);
660
661 if (ddi_copyout(resp, (void *)arg,
662 sizeof (struct aac_pci_info), mode) != 0)
663 return (EFAULT);
664 return (0);
665 }
666
667 static int
668 aac_query_disk(struct aac_softstate *softs, intptr_t arg, int mode)
669 {
670 union aac_query_disk_align un;
671 struct aac_query_disk *qdisk = &un.d;
672 struct aac_container *dvp;
673
674 DBCALLED(softs, 2);
675
676 if (ddi_copyin((void *)arg, qdisk, sizeof (*qdisk), mode) != 0)
677 return (EFAULT);
678
679 if (qdisk->container_no == -1) {
680 qdisk->container_no = qdisk->target * 16 + qdisk->lun;
681 } else if (qdisk->bus == -1 && qdisk->target == -1 &&
682 qdisk->lun == -1) {
683 if (qdisk->container_no >= AAC_MAX_CONTAINERS)
684 return (EINVAL);
685 qdisk->bus = 0;
686 qdisk->target = (qdisk->container_no & 0xf);
687 qdisk->lun = (qdisk->container_no >> 4);
688 } else {
689 return (EINVAL);
690 }
691
692 mutex_enter(&softs->io_lock);
693 dvp = &softs->containers[qdisk->container_no];
694 qdisk->valid = AAC_DEV_IS_VALID(&dvp->dev);
695 qdisk->locked = dvp->locked;
696 qdisk->deleted = dvp->deleted;
697 mutex_exit(&softs->io_lock);
698
699 if (ddi_copyout(qdisk, (void *)arg, sizeof (*qdisk), mode) != 0)
700 return (EFAULT);
701 return (0);
702 }
703
704 static int
705 aac_delete_disk(struct aac_softstate *softs, intptr_t arg, int mode)
706 {
707 union aac_delete_disk_align un;
708 struct aac_delete_disk *ddisk = &un.d;
709 struct aac_container *dvp;
710 int rval = 0;
711
712 DBCALLED(softs, 2);
713
714 if (ddi_copyin((void *)arg, ddisk, sizeof (*ddisk), mode) != 0)
715 return (EFAULT);
716
717 if (ddisk->container_no >= AAC_MAX_CONTAINERS)
718 return (EINVAL);
719
720 mutex_enter(&softs->io_lock);
721 dvp = &softs->containers[ddisk->container_no];
722 /*
723 * We don't trust the userland to tell us when to delete
724 * a container, rather we rely on an AIF coming from the
725 * controller.
726 */
727 if (AAC_DEV_IS_VALID(&dvp->dev)) {
728 if (dvp->locked)
729 rval = EBUSY;
730 }
731 mutex_exit(&softs->io_lock);
732
733 return (rval);
734 }
735
736 /*
737 * The following function comes from Adaptec to support creation of arrays
738 * bigger than 2TB.
739 */
740 static int
741 aac_supported_features(struct aac_softstate *softs, intptr_t arg, int mode)
742 {
743 union aac_features_align un;
744 struct aac_features *f = &un.d;
745
746 DBCALLED(softs, 2);
747
748 if (ddi_copyin((void *)arg, f, sizeof (*f), mode) != 0)
749 return (EFAULT);
750
751 /*
752 * When the management driver receives FSACTL_GET_FEATURES ioctl with
753 * ALL zero in the featuresState, the driver will return the current
754 * state of all the supported features, the data field will not be
755 * valid.
756 * When the management driver receives FSACTL_GET_FEATURES ioctl with
757 * a specific bit set in the featuresState, the driver will return the
758 * current state of this specific feature and whatever data that are
759 * associated with the feature in the data field or perform whatever
760 * action needed indicates in the data field.
761 */
762 if (f->feat.fValue == 0) {
763 f->feat.fBits.largeLBA =
764 (softs->flags & AAC_FLAGS_LBA_64BIT) ? 1 : 0;
765 f->feat.fBits.JBODSupport =
766 (softs->flags & AAC_FLAGS_JBOD) ? 1 : 0;
767 /* TODO: In the future, add other features state here as well */
768 } else {
769 if (f->feat.fBits.largeLBA)
770 f->feat.fBits.largeLBA =
771 (softs->flags & AAC_FLAGS_LBA_64BIT) ? 1 : 0;
772 if (f->feat.fBits.JBODSupport)
773 f->feat.fBits.JBODSupport =
774 (softs->flags & AAC_FLAGS_JBOD) ? 1 : 0;
775 /* TODO: Add other features state and data in the future */
776 }
777
778 if (ddi_copyout(f, (void *)arg, sizeof (*f), mode) != 0)
779 return (EFAULT);
780 return (0);
781 }