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32#include <linux/kernel.h>
33#include <linux/init.h>
34#include <linux/types.h>
35#include <linux/pci.h>
36#include <linux/spinlock.h>
37#include <linux/slab.h>
38#include <linux/completion.h>
39#include <linux/dma-mapping.h>
40#include <linux/blkdev.h>
41#include <linux/delay.h>
42#include <linux/kthread.h>
43#include <linux/semaphore.h>
44#include <asm/uaccess.h>
45#include <scsi/scsi_host.h>
46
47#include "aacraid.h"
48
49
50
51
52
53
54
55
56
57# define AAC_DEBUG_PREAMBLE KERN_INFO
58# define AAC_DEBUG_POSTAMBLE
59
60static int ioctl_send_fib(struct aac_dev * dev, void __user *arg)
61{
62 struct hw_fib * kfib;
63 struct fib *fibptr;
64 struct hw_fib * hw_fib = (struct hw_fib *)0;
65 dma_addr_t hw_fib_pa = (dma_addr_t)0LL;
66 unsigned size;
67 int retval;
68
69 if (dev->in_reset) {
70 return -EBUSY;
71 }
72 fibptr = aac_fib_alloc(dev);
73 if(fibptr == NULL) {
74 return -ENOMEM;
75 }
76
77 kfib = fibptr->hw_fib_va;
78
79
80
81 if (copy_from_user((void *)kfib, arg, sizeof(struct aac_fibhdr))) {
82 aac_fib_free(fibptr);
83 return -EFAULT;
84 }
85
86
87
88
89
90 size = le16_to_cpu(kfib->header.Size) + sizeof(struct aac_fibhdr);
91 if (size < le16_to_cpu(kfib->header.SenderSize))
92 size = le16_to_cpu(kfib->header.SenderSize);
93 if (size > dev->max_fib_size) {
94 dma_addr_t daddr;
95
96 if (size > 2048) {
97 retval = -EINVAL;
98 goto cleanup;
99 }
100
101 kfib = pci_alloc_consistent(dev->pdev, size, &daddr);
102 if (!kfib) {
103 retval = -ENOMEM;
104 goto cleanup;
105 }
106
107
108 hw_fib = fibptr->hw_fib_va;
109 hw_fib_pa = fibptr->hw_fib_pa;
110 fibptr->hw_fib_va = kfib;
111 fibptr->hw_fib_pa = daddr;
112 memset(((char *)kfib) + dev->max_fib_size, 0, size - dev->max_fib_size);
113 memcpy(kfib, hw_fib, dev->max_fib_size);
114 }
115
116 if (copy_from_user(kfib, arg, size)) {
117 retval = -EFAULT;
118 goto cleanup;
119 }
120
121 if (kfib->header.Command == cpu_to_le16(TakeABreakPt)) {
122 aac_adapter_interrupt(dev);
123
124
125
126
127 kfib->header.XferState = 0;
128 } else {
129 retval = aac_fib_send(le16_to_cpu(kfib->header.Command), fibptr,
130 le16_to_cpu(kfib->header.Size) , FsaNormal,
131 1, 1, NULL, NULL);
132 if (retval) {
133 goto cleanup;
134 }
135 if (aac_fib_complete(fibptr) != 0) {
136 retval = -EINVAL;
137 goto cleanup;
138 }
139 }
140
141
142
143
144
145
146
147
148 retval = 0;
149 if (copy_to_user(arg, (void *)kfib, size))
150 retval = -EFAULT;
151cleanup:
152 if (hw_fib) {
153 pci_free_consistent(dev->pdev, size, kfib, fibptr->hw_fib_pa);
154 fibptr->hw_fib_pa = hw_fib_pa;
155 fibptr->hw_fib_va = hw_fib;
156 }
157 if (retval != -ERESTARTSYS)
158 aac_fib_free(fibptr);
159 return retval;
160}
161
162
163
164
165
166
167
168
169static int open_getadapter_fib(struct aac_dev * dev, void __user *arg)
170{
171 struct aac_fib_context * fibctx;
172 int status;
173
174 fibctx = kmalloc(sizeof(struct aac_fib_context), GFP_KERNEL);
175 if (fibctx == NULL) {
176 status = -ENOMEM;
177 } else {
178 unsigned long flags;
179 struct list_head * entry;
180 struct aac_fib_context * context;
181
182 fibctx->type = FSAFS_NTC_GET_ADAPTER_FIB_CONTEXT;
183 fibctx->size = sizeof(struct aac_fib_context);
184
185
186
187
188
189
190 fibctx->unique = (u32)((ulong)fibctx & 0xFFFFFFFF);
191
192
193
194 sema_init(&fibctx->wait_sem, 0);
195 fibctx->wait = 0;
196
197
198
199
200 fibctx->count = 0;
201 INIT_LIST_HEAD(&fibctx->fib_list);
202 fibctx->jiffies = jiffies/HZ;
203
204
205
206
207 spin_lock_irqsave(&dev->fib_lock, flags);
208
209 entry = dev->fib_list.next;
210 while (entry != &dev->fib_list) {
211 context = list_entry(entry, struct aac_fib_context, next);
212 if (context->unique == fibctx->unique) {
213
214 fibctx->unique++;
215 entry = dev->fib_list.next;
216 } else {
217 entry = entry->next;
218 }
219 }
220 list_add_tail(&fibctx->next, &dev->fib_list);
221 spin_unlock_irqrestore(&dev->fib_lock, flags);
222 if (copy_to_user(arg, &fibctx->unique,
223 sizeof(fibctx->unique))) {
224 status = -EFAULT;
225 } else {
226 status = 0;
227 }
228 }
229 return status;
230}
231
232
233
234
235
236
237
238
239
240
241static int next_getadapter_fib(struct aac_dev * dev, void __user *arg)
242{
243 struct fib_ioctl f;
244 struct fib *fib;
245 struct aac_fib_context *fibctx;
246 int status;
247 struct list_head * entry;
248 unsigned long flags;
249
250 if(copy_from_user((void *)&f, arg, sizeof(struct fib_ioctl)))
251 return -EFAULT;
252
253
254
255
256
257
258 spin_lock_irqsave(&dev->fib_lock, flags);
259 entry = dev->fib_list.next;
260 fibctx = NULL;
261
262 while (entry != &dev->fib_list) {
263 fibctx = list_entry(entry, struct aac_fib_context, next);
264
265
266
267 if (fibctx->unique == f.fibctx) {
268 break;
269 }
270 entry = entry->next;
271 fibctx = NULL;
272 }
273 if (!fibctx) {
274 spin_unlock_irqrestore(&dev->fib_lock, flags);
275 dprintk ((KERN_INFO "Fib Context not found\n"));
276 return -EINVAL;
277 }
278
279 if((fibctx->type != FSAFS_NTC_GET_ADAPTER_FIB_CONTEXT) ||
280 (fibctx->size != sizeof(struct aac_fib_context))) {
281 spin_unlock_irqrestore(&dev->fib_lock, flags);
282 dprintk ((KERN_INFO "Fib Context corrupt?\n"));
283 return -EINVAL;
284 }
285 status = 0;
286
287
288
289
290return_fib:
291 if (!list_empty(&fibctx->fib_list)) {
292
293
294
295 entry = fibctx->fib_list.next;
296 list_del(entry);
297
298 fib = list_entry(entry, struct fib, fiblink);
299 fibctx->count--;
300 spin_unlock_irqrestore(&dev->fib_lock, flags);
301 if (copy_to_user(f.fib, fib->hw_fib_va, sizeof(struct hw_fib))) {
302 kfree(fib->hw_fib_va);
303 kfree(fib);
304 return -EFAULT;
305 }
306
307
308
309 kfree(fib->hw_fib_va);
310 kfree(fib);
311 status = 0;
312 } else {
313 spin_unlock_irqrestore(&dev->fib_lock, flags);
314
315 status = !dev->aif_thread;
316 if (status && !dev->in_reset && dev->queues && dev->fsa_dev) {
317
318 kthread_stop(dev->thread);
319 ssleep(1);
320 dev->aif_thread = 0;
321 dev->thread = kthread_run(aac_command_thread, dev,
322 "%s", dev->name);
323 ssleep(1);
324 }
325 if (f.wait) {
326 if(down_interruptible(&fibctx->wait_sem) < 0) {
327 status = -ERESTARTSYS;
328 } else {
329
330 spin_lock_irqsave(&dev->fib_lock, flags);
331 goto return_fib;
332 }
333 } else {
334 status = -EAGAIN;
335 }
336 }
337 fibctx->jiffies = jiffies/HZ;
338 return status;
339}
340
341int aac_close_fib_context(struct aac_dev * dev, struct aac_fib_context * fibctx)
342{
343 struct fib *fib;
344
345
346
347
348 while (!list_empty(&fibctx->fib_list)) {
349 struct list_head * entry;
350
351
352
353 entry = fibctx->fib_list.next;
354 list_del(entry);
355 fib = list_entry(entry, struct fib, fiblink);
356 fibctx->count--;
357
358
359
360 kfree(fib->hw_fib_va);
361 kfree(fib);
362 }
363
364
365
366 list_del(&fibctx->next);
367
368
369
370 fibctx->type = 0;
371
372
373
374 kfree(fibctx);
375 return 0;
376}
377
378
379
380
381
382
383
384
385
386static int close_getadapter_fib(struct aac_dev * dev, void __user *arg)
387{
388 struct aac_fib_context *fibctx;
389 int status;
390 unsigned long flags;
391 struct list_head * entry;
392
393
394
395
396
397
398
399
400 entry = dev->fib_list.next;
401 fibctx = NULL;
402
403 while(entry != &dev->fib_list) {
404 fibctx = list_entry(entry, struct aac_fib_context, next);
405
406
407
408 if (fibctx->unique == (u32)(uintptr_t)arg)
409 break;
410 entry = entry->next;
411 fibctx = NULL;
412 }
413
414 if (!fibctx)
415 return 0;
416
417 if((fibctx->type != FSAFS_NTC_GET_ADAPTER_FIB_CONTEXT) ||
418 (fibctx->size != sizeof(struct aac_fib_context)))
419 return -EINVAL;
420 spin_lock_irqsave(&dev->fib_lock, flags);
421 status = aac_close_fib_context(dev, fibctx);
422 spin_unlock_irqrestore(&dev->fib_lock, flags);
423 return status;
424}
425
426
427
428
429
430
431
432
433
434
435
436static int check_revision(struct aac_dev *dev, void __user *arg)
437{
438 struct revision response;
439 char *driver_version = aac_driver_version;
440 u32 version;
441
442 response.compat = 1;
443 version = (simple_strtol(driver_version,
444 &driver_version, 10) << 24) | 0x00000400;
445 version += simple_strtol(driver_version + 1, &driver_version, 10) << 16;
446 version += simple_strtol(driver_version + 1, NULL, 10);
447 response.version = cpu_to_le32(version);
448# ifdef AAC_DRIVER_BUILD
449 response.build = cpu_to_le32(AAC_DRIVER_BUILD);
450# else
451 response.build = cpu_to_le32(9999);
452# endif
453
454 if (copy_to_user(arg, &response, sizeof(response)))
455 return -EFAULT;
456 return 0;
457}
458
459
460
461
462
463
464
465
466static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg)
467{
468 struct fib* srbfib;
469 int status;
470 struct aac_srb *srbcmd = NULL;
471 struct user_aac_srb *user_srbcmd = NULL;
472 struct user_aac_srb __user *user_srb = arg;
473 struct aac_srb_reply __user *user_reply;
474 struct aac_srb_reply* reply;
475 u32 fibsize = 0;
476 u32 flags = 0;
477 s32 rcode = 0;
478 u32 data_dir;
479 void __user *sg_user[32];
480 void *sg_list[32];
481 u32 sg_indx = 0;
482 u32 byte_count = 0;
483 u32 actual_fibsize64, actual_fibsize = 0;
484 int i;
485
486
487 if (dev->in_reset) {
488 dprintk((KERN_DEBUG"aacraid: send raw srb -EBUSY\n"));
489 return -EBUSY;
490 }
491 if (!capable(CAP_SYS_ADMIN)){
492 dprintk((KERN_DEBUG"aacraid: No permission to send raw srb\n"));
493 return -EPERM;
494 }
495
496
497
498 if (!(srbfib = aac_fib_alloc(dev))) {
499 return -ENOMEM;
500 }
501 aac_fib_init(srbfib);
502
503 srbfib->hw_fib_va->header.XferState &= ~cpu_to_le32(FastResponseCapable);
504
505 srbcmd = (struct aac_srb*) fib_data(srbfib);
506
507 memset(sg_list, 0, sizeof(sg_list));
508 if(copy_from_user(&fibsize, &user_srb->count,sizeof(u32))){
509 dprintk((KERN_DEBUG"aacraid: Could not copy data size from user\n"));
510 rcode = -EFAULT;
511 goto cleanup;
512 }
513
514 if (fibsize > (dev->max_fib_size - sizeof(struct aac_fibhdr))) {
515 rcode = -EINVAL;
516 goto cleanup;
517 }
518
519 user_srbcmd = kmalloc(fibsize, GFP_KERNEL);
520 if (!user_srbcmd) {
521 dprintk((KERN_DEBUG"aacraid: Could not make a copy of the srb\n"));
522 rcode = -ENOMEM;
523 goto cleanup;
524 }
525 if(copy_from_user(user_srbcmd, user_srb,fibsize)){
526 dprintk((KERN_DEBUG"aacraid: Could not copy srb from user\n"));
527 rcode = -EFAULT;
528 goto cleanup;
529 }
530
531 user_reply = arg+fibsize;
532
533 flags = user_srbcmd->flags;
534
535
536 srbcmd->function = cpu_to_le32(SRBF_ExecuteScsi);
537 srbcmd->channel = cpu_to_le32(user_srbcmd->channel);
538 srbcmd->id = cpu_to_le32(user_srbcmd->id);
539 srbcmd->lun = cpu_to_le32(user_srbcmd->lun);
540 srbcmd->timeout = cpu_to_le32(user_srbcmd->timeout);
541 srbcmd->flags = cpu_to_le32(flags);
542 srbcmd->retry_limit = 0;
543 srbcmd->cdb_size = cpu_to_le32(user_srbcmd->cdb_size);
544 memcpy(srbcmd->cdb, user_srbcmd->cdb, sizeof(srbcmd->cdb));
545
546 switch (flags & (SRB_DataIn | SRB_DataOut)) {
547 case SRB_DataOut:
548 data_dir = DMA_TO_DEVICE;
549 break;
550 case (SRB_DataIn | SRB_DataOut):
551 data_dir = DMA_BIDIRECTIONAL;
552 break;
553 case SRB_DataIn:
554 data_dir = DMA_FROM_DEVICE;
555 break;
556 default:
557 data_dir = DMA_NONE;
558 }
559 if (user_srbcmd->sg.count > ARRAY_SIZE(sg_list)) {
560 dprintk((KERN_DEBUG"aacraid: too many sg entries %d\n",
561 le32_to_cpu(srbcmd->sg.count)));
562 rcode = -EINVAL;
563 goto cleanup;
564 }
565 actual_fibsize = sizeof(struct aac_srb) - sizeof(struct sgentry) +
566 ((user_srbcmd->sg.count & 0xff) * sizeof(struct sgentry));
567 actual_fibsize64 = actual_fibsize + (user_srbcmd->sg.count & 0xff) *
568 (sizeof(struct sgentry64) - sizeof(struct sgentry));
569
570 if ((actual_fibsize != fibsize) && (actual_fibsize64 != fibsize)) {
571 dprintk((KERN_DEBUG"aacraid: Bad Size specified in "
572 "Raw SRB command calculated fibsize=%lu;%lu "
573 "user_srbcmd->sg.count=%d aac_srb=%lu sgentry=%lu;%lu "
574 "issued fibsize=%d\n",
575 actual_fibsize, actual_fibsize64, user_srbcmd->sg.count,
576 sizeof(struct aac_srb), sizeof(struct sgentry),
577 sizeof(struct sgentry64), fibsize));
578 rcode = -EINVAL;
579 goto cleanup;
580 }
581 if ((data_dir == DMA_NONE) && user_srbcmd->sg.count) {
582 dprintk((KERN_DEBUG"aacraid: SG with no direction specified in Raw SRB command\n"));
583 rcode = -EINVAL;
584 goto cleanup;
585 }
586 byte_count = 0;
587 if (dev->adapter_info.options & AAC_OPT_SGMAP_HOST64) {
588 struct user_sgmap64* upsg = (struct user_sgmap64*)&user_srbcmd->sg;
589 struct sgmap64* psg = (struct sgmap64*)&srbcmd->sg;
590
591
592
593
594 if (actual_fibsize64 == fibsize) {
595 actual_fibsize = actual_fibsize64;
596 for (i = 0; i < upsg->count; i++) {
597 u64 addr;
598 void* p;
599 if (upsg->sg[i].count >
600 ((dev->adapter_info.options &
601 AAC_OPT_NEW_COMM) ?
602 (dev->scsi_host_ptr->max_sectors << 9) :
603 65536)) {
604 rcode = -EINVAL;
605 goto cleanup;
606 }
607
608 p = kmalloc(upsg->sg[i].count,GFP_KERNEL|__GFP_DMA);
609 if(!p) {
610 dprintk((KERN_DEBUG"aacraid: Could not allocate SG buffer - size = %d buffer number %d of %d\n",
611 upsg->sg[i].count,i,upsg->count));
612 rcode = -ENOMEM;
613 goto cleanup;
614 }
615 addr = (u64)upsg->sg[i].addr[0];
616 addr += ((u64)upsg->sg[i].addr[1]) << 32;
617 sg_user[i] = (void __user *)(uintptr_t)addr;
618 sg_list[i] = p;
619 sg_indx = i;
620
621 if (flags & SRB_DataOut) {
622 if(copy_from_user(p,sg_user[i],upsg->sg[i].count)){
623 dprintk((KERN_DEBUG"aacraid: Could not copy sg data from user\n"));
624 rcode = -EFAULT;
625 goto cleanup;
626 }
627 }
628 addr = pci_map_single(dev->pdev, p, upsg->sg[i].count, data_dir);
629
630 psg->sg[i].addr[0] = cpu_to_le32(addr & 0xffffffff);
631 psg->sg[i].addr[1] = cpu_to_le32(addr>>32);
632 byte_count += upsg->sg[i].count;
633 psg->sg[i].count = cpu_to_le32(upsg->sg[i].count);
634 }
635 } else {
636 struct user_sgmap* usg;
637 usg = kmalloc(actual_fibsize - sizeof(struct aac_srb)
638 + sizeof(struct sgmap), GFP_KERNEL);
639 if (!usg) {
640 dprintk((KERN_DEBUG"aacraid: Allocation error in Raw SRB command\n"));
641 rcode = -ENOMEM;
642 goto cleanup;
643 }
644 memcpy (usg, upsg, actual_fibsize - sizeof(struct aac_srb)
645 + sizeof(struct sgmap));
646 actual_fibsize = actual_fibsize64;
647
648 for (i = 0; i < usg->count; i++) {
649 u64 addr;
650 void* p;
651 if (usg->sg[i].count >
652 ((dev->adapter_info.options &
653 AAC_OPT_NEW_COMM) ?
654 (dev->scsi_host_ptr->max_sectors << 9) :
655 65536)) {
656 kfree(usg);
657 rcode = -EINVAL;
658 goto cleanup;
659 }
660
661 p = kmalloc(usg->sg[i].count,GFP_KERNEL|__GFP_DMA);
662 if(!p) {
663 dprintk((KERN_DEBUG "aacraid: Could not allocate SG buffer - size = %d buffer number %d of %d\n",
664 usg->sg[i].count,i,usg->count));
665 kfree(usg);
666 rcode = -ENOMEM;
667 goto cleanup;
668 }
669 sg_user[i] = (void __user *)(uintptr_t)usg->sg[i].addr;
670 sg_list[i] = p;
671 sg_indx = i;
672
673 if (flags & SRB_DataOut) {
674 if(copy_from_user(p,sg_user[i],upsg->sg[i].count)){
675 kfree (usg);
676 dprintk((KERN_DEBUG"aacraid: Could not copy sg data from user\n"));
677 rcode = -EFAULT;
678 goto cleanup;
679 }
680 }
681 addr = pci_map_single(dev->pdev, p, usg->sg[i].count, data_dir);
682
683 psg->sg[i].addr[0] = cpu_to_le32(addr & 0xffffffff);
684 psg->sg[i].addr[1] = cpu_to_le32(addr>>32);
685 byte_count += usg->sg[i].count;
686 psg->sg[i].count = cpu_to_le32(usg->sg[i].count);
687 }
688 kfree (usg);
689 }
690 srbcmd->count = cpu_to_le32(byte_count);
691 psg->count = cpu_to_le32(sg_indx+1);
692 status = aac_fib_send(ScsiPortCommand64, srbfib, actual_fibsize, FsaNormal, 1, 1,NULL,NULL);
693 } else {
694 struct user_sgmap* upsg = &user_srbcmd->sg;
695 struct sgmap* psg = &srbcmd->sg;
696
697 if (actual_fibsize64 == fibsize) {
698 struct user_sgmap64* usg = (struct user_sgmap64 *)upsg;
699 for (i = 0; i < upsg->count; i++) {
700 uintptr_t addr;
701 void* p;
702 if (usg->sg[i].count >
703 ((dev->adapter_info.options &
704 AAC_OPT_NEW_COMM) ?
705 (dev->scsi_host_ptr->max_sectors << 9) :
706 65536)) {
707 rcode = -EINVAL;
708 goto cleanup;
709 }
710
711 p = kmalloc(usg->sg[i].count,GFP_KERNEL|__GFP_DMA);
712 if(!p) {
713 dprintk((KERN_DEBUG"aacraid: Could not allocate SG buffer - size = %d buffer number %d of %d\n",
714 usg->sg[i].count,i,usg->count));
715 rcode = -ENOMEM;
716 goto cleanup;
717 }
718 addr = (u64)usg->sg[i].addr[0];
719 addr += ((u64)usg->sg[i].addr[1]) << 32;
720 sg_user[i] = (void __user *)addr;
721 sg_list[i] = p;
722 sg_indx = i;
723
724 if (flags & SRB_DataOut) {
725 if(copy_from_user(p,sg_user[i],usg->sg[i].count)){
726 dprintk((KERN_DEBUG"aacraid: Could not copy sg data from user\n"));
727 rcode = -EFAULT;
728 goto cleanup;
729 }
730 }
731 addr = pci_map_single(dev->pdev, p, usg->sg[i].count, data_dir);
732
733 psg->sg[i].addr = cpu_to_le32(addr & 0xffffffff);
734 byte_count += usg->sg[i].count;
735 psg->sg[i].count = cpu_to_le32(usg->sg[i].count);
736 }
737 } else {
738 for (i = 0; i < upsg->count; i++) {
739 dma_addr_t addr;
740 void* p;
741 if (upsg->sg[i].count >
742 ((dev->adapter_info.options &
743 AAC_OPT_NEW_COMM) ?
744 (dev->scsi_host_ptr->max_sectors << 9) :
745 65536)) {
746 rcode = -EINVAL;
747 goto cleanup;
748 }
749 p = kmalloc(upsg->sg[i].count, GFP_KERNEL);
750 if (!p) {
751 dprintk((KERN_DEBUG"aacraid: Could not allocate SG buffer - size = %d buffer number %d of %d\n",
752 upsg->sg[i].count, i, upsg->count));
753 rcode = -ENOMEM;
754 goto cleanup;
755 }
756 sg_user[i] = (void __user *)(uintptr_t)upsg->sg[i].addr;
757 sg_list[i] = p;
758 sg_indx = i;
759
760 if (flags & SRB_DataOut) {
761 if(copy_from_user(p, sg_user[i],
762 upsg->sg[i].count)) {
763 dprintk((KERN_DEBUG"aacraid: Could not copy sg data from user\n"));
764 rcode = -EFAULT;
765 goto cleanup;
766 }
767 }
768 addr = pci_map_single(dev->pdev, p,
769 upsg->sg[i].count, data_dir);
770
771 psg->sg[i].addr = cpu_to_le32(addr);
772 byte_count += upsg->sg[i].count;
773 psg->sg[i].count = cpu_to_le32(upsg->sg[i].count);
774 }
775 }
776 srbcmd->count = cpu_to_le32(byte_count);
777 psg->count = cpu_to_le32(sg_indx+1);
778 status = aac_fib_send(ScsiPortCommand, srbfib, actual_fibsize, FsaNormal, 1, 1, NULL, NULL);
779 }
780 if (status == -ERESTARTSYS) {
781 rcode = -ERESTARTSYS;
782 goto cleanup;
783 }
784
785 if (status != 0){
786 dprintk((KERN_DEBUG"aacraid: Could not send raw srb fib to hba\n"));
787 rcode = -ENXIO;
788 goto cleanup;
789 }
790
791 if (flags & SRB_DataIn) {
792 for(i = 0 ; i <= sg_indx; i++){
793 byte_count = le32_to_cpu(
794 (dev->adapter_info.options & AAC_OPT_SGMAP_HOST64)
795 ? ((struct sgmap64*)&srbcmd->sg)->sg[i].count
796 : srbcmd->sg.sg[i].count);
797 if(copy_to_user(sg_user[i], sg_list[i], byte_count)){
798 dprintk((KERN_DEBUG"aacraid: Could not copy sg data to user\n"));
799 rcode = -EFAULT;
800 goto cleanup;
801
802 }
803 }
804 }
805
806 reply = (struct aac_srb_reply *) fib_data(srbfib);
807 if(copy_to_user(user_reply,reply,sizeof(struct aac_srb_reply))){
808 dprintk((KERN_DEBUG"aacraid: Could not copy reply to user\n"));
809 rcode = -EFAULT;
810 goto cleanup;
811 }
812
813cleanup:
814 kfree(user_srbcmd);
815 for(i=0; i <= sg_indx; i++){
816 kfree(sg_list[i]);
817 }
818 if (rcode != -ERESTARTSYS) {
819 aac_fib_complete(srbfib);
820 aac_fib_free(srbfib);
821 }
822
823 return rcode;
824}
825
826struct aac_pci_info {
827 u32 bus;
828 u32 slot;
829};
830
831
832static int aac_get_pci_info(struct aac_dev* dev, void __user *arg)
833{
834 struct aac_pci_info pci_info;
835
836 pci_info.bus = dev->pdev->bus->number;
837 pci_info.slot = PCI_SLOT(dev->pdev->devfn);
838
839 if (copy_to_user(arg, &pci_info, sizeof(struct aac_pci_info))) {
840 dprintk((KERN_DEBUG "aacraid: Could not copy pci info\n"));
841 return -EFAULT;
842 }
843 return 0;
844}
845
846
847int aac_do_ioctl(struct aac_dev * dev, int cmd, void __user *arg)
848{
849 int status;
850
851
852
853
854
855 status = aac_dev_ioctl(dev, cmd, arg);
856 if (status != -ENOTTY)
857 return status;
858
859 switch (cmd) {
860 case FSACTL_MINIPORT_REV_CHECK:
861 status = check_revision(dev, arg);
862 break;
863 case FSACTL_SEND_LARGE_FIB:
864 case FSACTL_SENDFIB:
865 status = ioctl_send_fib(dev, arg);
866 break;
867 case FSACTL_OPEN_GET_ADAPTER_FIB:
868 status = open_getadapter_fib(dev, arg);
869 break;
870 case FSACTL_GET_NEXT_ADAPTER_FIB:
871 status = next_getadapter_fib(dev, arg);
872 break;
873 case FSACTL_CLOSE_GET_ADAPTER_FIB:
874 status = close_getadapter_fib(dev, arg);
875 break;
876 case FSACTL_SEND_RAW_SRB:
877 status = aac_send_raw_srb(dev,arg);
878 break;
879 case FSACTL_GET_PCI_INFO:
880 status = aac_get_pci_info(dev,arg);
881 break;
882 default:
883 status = -ENOTTY;
884 break;
885 }
886 return status;
887}
888
889