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1da177e4 LT |
1 | /* |
2 | * Adaptec AAC series RAID controller driver | |
3 | * (c) Copyright 2001 Red Hat Inc. <alan@redhat.com> | |
4 | * | |
5 | * based on the old aacraid driver that is.. | |
6 | * Adaptec aacraid device driver for Linux. | |
7 | * | |
8 | * Copyright (c) 2000 Adaptec, Inc. (aacraid@adaptec.com) | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of the GNU General Public License as published by | |
12 | * the Free Software Foundation; either version 2, or (at your option) | |
13 | * any later version. | |
14 | * | |
15 | * This program is distributed in the hope that it will be useful, | |
16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | * GNU General Public License for more details. | |
19 | * | |
20 | * You should have received a copy of the GNU General Public License | |
21 | * along with this program; see the file COPYING. If not, write to | |
22 | * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. | |
23 | * | |
24 | * Module Name: | |
25 | * commctrl.c | |
26 | * | |
27 | * Abstract: Contains all routines for control of the AFA comm layer | |
28 | * | |
29 | */ | |
30 | ||
31 | #include <linux/kernel.h> | |
32 | #include <linux/init.h> | |
33 | #include <linux/types.h> | |
34 | #include <linux/sched.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 <asm/semaphore.h> | |
42 | #include <asm/uaccess.h> | |
43 | ||
44 | #include "aacraid.h" | |
45 | ||
46 | /** | |
47 | * ioctl_send_fib - send a FIB from userspace | |
48 | * @dev: adapter is being processed | |
49 | * @arg: arguments to the ioctl call | |
50 | * | |
51 | * This routine sends a fib to the adapter on behalf of a user level | |
52 | * program. | |
53 | */ | |
54 | ||
55 | static int ioctl_send_fib(struct aac_dev * dev, void __user *arg) | |
56 | { | |
57 | struct hw_fib * kfib; | |
58 | struct fib *fibptr; | |
59 | ||
60 | fibptr = fib_alloc(dev); | |
61 | if(fibptr == NULL) | |
62 | return -ENOMEM; | |
63 | ||
64 | kfib = fibptr->hw_fib; | |
65 | /* | |
66 | * First copy in the header so that we can check the size field. | |
67 | */ | |
68 | if (copy_from_user((void *)kfib, arg, sizeof(struct aac_fibhdr))) { | |
69 | fib_free(fibptr); | |
70 | return -EFAULT; | |
71 | } | |
72 | /* | |
73 | * Since we copy based on the fib header size, make sure that we | |
74 | * will not overrun the buffer when we copy the memory. Return | |
75 | * an error if we would. | |
76 | */ | |
77 | if (le16_to_cpu(kfib->header.Size) > | |
78 | sizeof(struct hw_fib) - sizeof(struct aac_fibhdr)) { | |
79 | fib_free(fibptr); | |
80 | return -EINVAL; | |
81 | } | |
82 | ||
83 | if (copy_from_user(kfib, arg, le16_to_cpu(kfib->header.Size) + | |
84 | sizeof(struct aac_fibhdr))) { | |
85 | fib_free(fibptr); | |
86 | return -EFAULT; | |
87 | } | |
88 | ||
89 | if (kfib->header.Command == cpu_to_le32(TakeABreakPt)) { | |
90 | aac_adapter_interrupt(dev); | |
91 | /* | |
92 | * Since we didn't really send a fib, zero out the state to allow | |
93 | * cleanup code not to assert. | |
94 | */ | |
95 | kfib->header.XferState = 0; | |
96 | } else { | |
97 | int retval = fib_send(kfib->header.Command, fibptr, | |
98 | le16_to_cpu(kfib->header.Size) , FsaNormal, | |
99 | 1, 1, NULL, NULL); | |
100 | if (retval) { | |
101 | fib_free(fibptr); | |
102 | return retval; | |
103 | } | |
104 | if (fib_complete(fibptr) != 0) { | |
105 | fib_free(fibptr); | |
106 | return -EINVAL; | |
107 | } | |
108 | } | |
109 | /* | |
110 | * Make sure that the size returned by the adapter (which includes | |
111 | * the header) is less than or equal to the size of a fib, so we | |
112 | * don't corrupt application data. Then copy that size to the user | |
113 | * buffer. (Don't try to add the header information again, since it | |
114 | * was already included by the adapter.) | |
115 | */ | |
116 | ||
117 | if (copy_to_user(arg, (void *)kfib, kfib->header.Size)) { | |
118 | fib_free(fibptr); | |
119 | return -EFAULT; | |
120 | } | |
121 | fib_free(fibptr); | |
122 | return 0; | |
123 | } | |
124 | ||
125 | /** | |
126 | * open_getadapter_fib - Get the next fib | |
127 | * | |
128 | * This routine will get the next Fib, if available, from the AdapterFibContext | |
129 | * passed in from the user. | |
130 | */ | |
131 | ||
132 | static int open_getadapter_fib(struct aac_dev * dev, void __user *arg) | |
133 | { | |
134 | struct aac_fib_context * fibctx; | |
135 | int status; | |
136 | ||
137 | fibctx = kmalloc(sizeof(struct aac_fib_context), GFP_KERNEL); | |
138 | if (fibctx == NULL) { | |
139 | status = -ENOMEM; | |
140 | } else { | |
141 | unsigned long flags; | |
142 | struct list_head * entry; | |
143 | struct aac_fib_context * context; | |
144 | ||
145 | fibctx->type = FSAFS_NTC_GET_ADAPTER_FIB_CONTEXT; | |
146 | fibctx->size = sizeof(struct aac_fib_context); | |
147 | /* | |
148 | * Yes yes, I know this could be an index, but we have a | |
149 | * better guarantee of uniqueness for the locked loop below. | |
150 | * Without the aid of a persistent history, this also helps | |
151 | * reduce the chance that the opaque context would be reused. | |
152 | */ | |
153 | fibctx->unique = (u32)((ulong)fibctx & 0xFFFFFFFF); | |
154 | /* | |
155 | * Initialize the mutex used to wait for the next AIF. | |
156 | */ | |
157 | init_MUTEX_LOCKED(&fibctx->wait_sem); | |
158 | fibctx->wait = 0; | |
159 | /* | |
160 | * Initialize the fibs and set the count of fibs on | |
161 | * the list to 0. | |
162 | */ | |
163 | fibctx->count = 0; | |
164 | INIT_LIST_HEAD(&fibctx->fib_list); | |
165 | fibctx->jiffies = jiffies/HZ; | |
166 | /* | |
167 | * Now add this context onto the adapter's | |
168 | * AdapterFibContext list. | |
169 | */ | |
170 | spin_lock_irqsave(&dev->fib_lock, flags); | |
171 | /* Ensure that we have a unique identifier */ | |
172 | entry = dev->fib_list.next; | |
173 | while (entry != &dev->fib_list) { | |
174 | context = list_entry(entry, struct aac_fib_context, next); | |
175 | if (context->unique == fibctx->unique) { | |
176 | /* Not unique (32 bits) */ | |
177 | fibctx->unique++; | |
178 | entry = dev->fib_list.next; | |
179 | } else { | |
180 | entry = entry->next; | |
181 | } | |
182 | } | |
183 | list_add_tail(&fibctx->next, &dev->fib_list); | |
184 | spin_unlock_irqrestore(&dev->fib_lock, flags); | |
185 | if (copy_to_user(arg, &fibctx->unique, | |
186 | sizeof(fibctx->unique))) { | |
187 | status = -EFAULT; | |
188 | } else { | |
189 | status = 0; | |
190 | } | |
191 | } | |
192 | return status; | |
193 | } | |
194 | ||
195 | /** | |
196 | * next_getadapter_fib - get the next fib | |
197 | * @dev: adapter to use | |
198 | * @arg: ioctl argument | |
199 | * | |
200 | * This routine will get the next Fib, if available, from the AdapterFibContext | |
201 | * passed in from the user. | |
202 | */ | |
203 | ||
204 | static int next_getadapter_fib(struct aac_dev * dev, void __user *arg) | |
205 | { | |
206 | struct fib_ioctl f; | |
207 | struct fib *fib; | |
208 | struct aac_fib_context *fibctx; | |
209 | int status; | |
210 | struct list_head * entry; | |
211 | unsigned long flags; | |
212 | ||
213 | if(copy_from_user((void *)&f, arg, sizeof(struct fib_ioctl))) | |
214 | return -EFAULT; | |
215 | /* | |
216 | * Verify that the HANDLE passed in was a valid AdapterFibContext | |
217 | * | |
218 | * Search the list of AdapterFibContext addresses on the adapter | |
219 | * to be sure this is a valid address | |
220 | */ | |
221 | entry = dev->fib_list.next; | |
222 | fibctx = NULL; | |
223 | ||
224 | while (entry != &dev->fib_list) { | |
225 | fibctx = list_entry(entry, struct aac_fib_context, next); | |
226 | /* | |
227 | * Extract the AdapterFibContext from the Input parameters. | |
228 | */ | |
229 | if (fibctx->unique == f.fibctx) { /* We found a winner */ | |
230 | break; | |
231 | } | |
232 | entry = entry->next; | |
233 | fibctx = NULL; | |
234 | } | |
235 | if (!fibctx) { | |
236 | dprintk ((KERN_INFO "Fib Context not found\n")); | |
237 | return -EINVAL; | |
238 | } | |
239 | ||
240 | if((fibctx->type != FSAFS_NTC_GET_ADAPTER_FIB_CONTEXT) || | |
241 | (fibctx->size != sizeof(struct aac_fib_context))) { | |
242 | dprintk ((KERN_INFO "Fib Context corrupt?\n")); | |
243 | return -EINVAL; | |
244 | } | |
245 | status = 0; | |
246 | spin_lock_irqsave(&dev->fib_lock, flags); | |
247 | /* | |
248 | * If there are no fibs to send back, then either wait or return | |
249 | * -EAGAIN | |
250 | */ | |
251 | return_fib: | |
252 | if (!list_empty(&fibctx->fib_list)) { | |
253 | struct list_head * entry; | |
254 | /* | |
255 | * Pull the next fib from the fibs | |
256 | */ | |
257 | entry = fibctx->fib_list.next; | |
258 | list_del(entry); | |
259 | ||
260 | fib = list_entry(entry, struct fib, fiblink); | |
261 | fibctx->count--; | |
262 | spin_unlock_irqrestore(&dev->fib_lock, flags); | |
263 | if (copy_to_user(f.fib, fib->hw_fib, sizeof(struct hw_fib))) { | |
264 | kfree(fib->hw_fib); | |
265 | kfree(fib); | |
266 | return -EFAULT; | |
267 | } | |
268 | /* | |
269 | * Free the space occupied by this copy of the fib. | |
270 | */ | |
271 | kfree(fib->hw_fib); | |
272 | kfree(fib); | |
273 | status = 0; | |
274 | fibctx->jiffies = jiffies/HZ; | |
275 | } else { | |
276 | spin_unlock_irqrestore(&dev->fib_lock, flags); | |
277 | if (f.wait) { | |
278 | if(down_interruptible(&fibctx->wait_sem) < 0) { | |
279 | status = -EINTR; | |
280 | } else { | |
281 | /* Lock again and retry */ | |
282 | spin_lock_irqsave(&dev->fib_lock, flags); | |
283 | goto return_fib; | |
284 | } | |
285 | } else { | |
286 | status = -EAGAIN; | |
287 | } | |
288 | } | |
289 | return status; | |
290 | } | |
291 | ||
292 | int aac_close_fib_context(struct aac_dev * dev, struct aac_fib_context * fibctx) | |
293 | { | |
294 | struct fib *fib; | |
295 | ||
296 | /* | |
297 | * First free any FIBs that have not been consumed. | |
298 | */ | |
299 | while (!list_empty(&fibctx->fib_list)) { | |
300 | struct list_head * entry; | |
301 | /* | |
302 | * Pull the next fib from the fibs | |
303 | */ | |
304 | entry = fibctx->fib_list.next; | |
305 | list_del(entry); | |
306 | fib = list_entry(entry, struct fib, fiblink); | |
307 | fibctx->count--; | |
308 | /* | |
309 | * Free the space occupied by this copy of the fib. | |
310 | */ | |
311 | kfree(fib->hw_fib); | |
312 | kfree(fib); | |
313 | } | |
314 | /* | |
315 | * Remove the Context from the AdapterFibContext List | |
316 | */ | |
317 | list_del(&fibctx->next); | |
318 | /* | |
319 | * Invalidate context | |
320 | */ | |
321 | fibctx->type = 0; | |
322 | /* | |
323 | * Free the space occupied by the Context | |
324 | */ | |
325 | kfree(fibctx); | |
326 | return 0; | |
327 | } | |
328 | ||
329 | /** | |
330 | * close_getadapter_fib - close down user fib context | |
331 | * @dev: adapter | |
332 | * @arg: ioctl arguments | |
333 | * | |
334 | * This routine will close down the fibctx passed in from the user. | |
335 | */ | |
336 | ||
337 | static int close_getadapter_fib(struct aac_dev * dev, void __user *arg) | |
338 | { | |
339 | struct aac_fib_context *fibctx; | |
340 | int status; | |
341 | unsigned long flags; | |
342 | struct list_head * entry; | |
343 | ||
344 | /* | |
345 | * Verify that the HANDLE passed in was a valid AdapterFibContext | |
346 | * | |
347 | * Search the list of AdapterFibContext addresses on the adapter | |
348 | * to be sure this is a valid address | |
349 | */ | |
350 | ||
351 | entry = dev->fib_list.next; | |
352 | fibctx = NULL; | |
353 | ||
354 | while(entry != &dev->fib_list) { | |
355 | fibctx = list_entry(entry, struct aac_fib_context, next); | |
356 | /* | |
357 | * Extract the fibctx from the input parameters | |
358 | */ | |
359 | if (fibctx->unique == (u32)(unsigned long)arg) { | |
360 | /* We found a winner */ | |
361 | break; | |
362 | } | |
363 | entry = entry->next; | |
364 | fibctx = NULL; | |
365 | } | |
366 | ||
367 | if (!fibctx) | |
368 | return 0; /* Already gone */ | |
369 | ||
370 | if((fibctx->type != FSAFS_NTC_GET_ADAPTER_FIB_CONTEXT) || | |
371 | (fibctx->size != sizeof(struct aac_fib_context))) | |
372 | return -EINVAL; | |
373 | spin_lock_irqsave(&dev->fib_lock, flags); | |
374 | status = aac_close_fib_context(dev, fibctx); | |
375 | spin_unlock_irqrestore(&dev->fib_lock, flags); | |
376 | return status; | |
377 | } | |
378 | ||
379 | /** | |
380 | * check_revision - close down user fib context | |
381 | * @dev: adapter | |
382 | * @arg: ioctl arguments | |
383 | * | |
384 | * This routine returns the driver version. | |
385 | * Under Linux, there have been no version incompatibilities, so this is | |
386 | * simple! | |
387 | */ | |
388 | ||
389 | static int check_revision(struct aac_dev *dev, void __user *arg) | |
390 | { | |
391 | struct revision response; | |
392 | ||
393 | response.compat = 1; | |
394 | response.version = dev->adapter_info.kernelrev; | |
395 | response.build = dev->adapter_info.kernelbuild; | |
396 | ||
397 | if (copy_to_user(arg, &response, sizeof(response))) | |
398 | return -EFAULT; | |
399 | return 0; | |
400 | } | |
401 | ||
402 | /** | |
403 | * | |
404 | * aac_send_raw_scb | |
405 | * | |
406 | */ | |
407 | ||
408 | int aac_send_raw_srb(struct aac_dev* dev, void __user * arg) | |
409 | { | |
410 | struct fib* srbfib; | |
411 | int status; | |
412 | struct aac_srb *srbcmd; | |
413 | struct aac_srb __user *user_srb = arg; | |
414 | struct aac_srb_reply __user *user_reply; | |
415 | struct aac_srb_reply* reply; | |
416 | u32 fibsize = 0; | |
417 | u32 flags = 0; | |
418 | s32 rcode = 0; | |
419 | u32 data_dir; | |
420 | void __user *sg_user[32]; | |
421 | void *sg_list[32]; | |
422 | u32 sg_indx = 0; | |
423 | u32 byte_count = 0; | |
424 | u32 actual_fibsize = 0; | |
425 | int i; | |
426 | ||
427 | ||
428 | if (!capable(CAP_SYS_ADMIN)){ | |
429 | printk(KERN_DEBUG"aacraid: No permission to send raw srb\n"); | |
430 | return -EPERM; | |
431 | } | |
432 | /* | |
433 | * Allocate and initialize a Fib then setup a BlockWrite command | |
434 | */ | |
435 | if (!(srbfib = fib_alloc(dev))) { | |
436 | return -1; | |
437 | } | |
438 | fib_init(srbfib); | |
439 | ||
440 | srbcmd = (struct aac_srb*) fib_data(srbfib); | |
441 | ||
442 | if(copy_from_user(&fibsize, &user_srb->count,sizeof(u32))){ | |
443 | printk(KERN_DEBUG"aacraid: Could not copy data size from user\n"); | |
444 | rcode = -EFAULT; | |
445 | goto cleanup; | |
446 | } | |
447 | ||
448 | if (fibsize > FIB_DATA_SIZE_IN_BYTES) { | |
449 | rcode = -EINVAL; | |
450 | goto cleanup; | |
451 | } | |
452 | ||
453 | if(copy_from_user(srbcmd, user_srb,fibsize)){ | |
454 | printk(KERN_DEBUG"aacraid: Could not copy srb from user\n"); | |
455 | rcode = -EFAULT; | |
456 | goto cleanup; | |
457 | } | |
458 | ||
459 | user_reply = arg+fibsize; | |
460 | ||
461 | flags = srbcmd->flags; | |
462 | // Fix up srb for endian and force some values | |
463 | srbcmd->function = cpu_to_le32(SRBF_ExecuteScsi); // Force this | |
464 | srbcmd->channel = cpu_to_le32(srbcmd->channel); | |
465 | srbcmd->id = cpu_to_le32(srbcmd->id); | |
466 | srbcmd->lun = cpu_to_le32(srbcmd->lun); | |
467 | srbcmd->flags = cpu_to_le32(srbcmd->flags); | |
468 | srbcmd->timeout = cpu_to_le32(srbcmd->timeout); | |
469 | srbcmd->retry_limit =cpu_to_le32(0); // Obsolete parameter | |
470 | srbcmd->cdb_size = cpu_to_le32(srbcmd->cdb_size); | |
471 | ||
472 | switch (srbcmd->flags & (SRB_DataIn | SRB_DataOut)) { | |
473 | case SRB_DataOut: | |
474 | data_dir = DMA_TO_DEVICE; | |
475 | break; | |
476 | case (SRB_DataIn | SRB_DataOut): | |
477 | data_dir = DMA_BIDIRECTIONAL; | |
478 | break; | |
479 | case SRB_DataIn: | |
480 | data_dir = DMA_FROM_DEVICE; | |
481 | break; | |
482 | default: | |
483 | data_dir = DMA_NONE; | |
484 | } | |
485 | if (dev->dac_support == 1) { | |
486 | struct sgmap64* psg = (struct sgmap64*)&srbcmd->sg; | |
487 | byte_count = 0; | |
488 | ||
489 | /* | |
490 | * This should also catch if user used the 32 bit sgmap | |
491 | */ | |
492 | actual_fibsize = sizeof(struct aac_srb) - | |
493 | sizeof(struct sgentry) + ((srbcmd->sg.count & 0xff) * | |
494 | sizeof(struct sgentry64)); | |
495 | if(actual_fibsize != fibsize){ // User made a mistake - should not continue | |
496 | printk(KERN_DEBUG"aacraid: Bad Size specified in Raw SRB command\n"); | |
497 | rcode = -EINVAL; | |
498 | goto cleanup; | |
499 | } | |
500 | if ((data_dir == DMA_NONE) && psg->count) { | |
501 | printk(KERN_DEBUG"aacraid: SG with no direction specified in Raw SRB command\n"); | |
502 | rcode = -EINVAL; | |
503 | goto cleanup; | |
504 | } | |
505 | ||
506 | for (i = 0; i < psg->count; i++) { | |
507 | dma_addr_t addr; | |
508 | u64 le_addr; | |
509 | void* p; | |
510 | p = kmalloc(psg->sg[i].count,GFP_KERNEL|__GFP_DMA); | |
511 | if(p == 0) { | |
512 | printk(KERN_DEBUG"aacraid: Could not allocate SG buffer - size = %d buffer number %d of %d\n", | |
513 | psg->sg[i].count,i,psg->count); | |
514 | rcode = -ENOMEM; | |
515 | goto cleanup; | |
516 | } | |
517 | sg_user[i] = (void __user *)psg->sg[i].addr; | |
518 | sg_list[i] = p; // save so we can clean up later | |
519 | sg_indx = i; | |
520 | ||
521 | if( flags & SRB_DataOut ){ | |
522 | if(copy_from_user(p,sg_user[i],psg->sg[i].count)){ | |
523 | printk(KERN_DEBUG"aacraid: Could not copy sg data from user\n"); | |
524 | rcode = -EFAULT; | |
525 | goto cleanup; | |
526 | } | |
527 | } | |
528 | addr = pci_map_single(dev->pdev, p, psg->sg[i].count, data_dir); | |
529 | ||
530 | le_addr = cpu_to_le64(addr); | |
531 | psg->sg[i].addr[1] = (u32)(le_addr>>32); | |
532 | psg->sg[i].addr[0] = (u32)(le_addr & 0xffffffff); | |
533 | psg->sg[i].count = cpu_to_le32(psg->sg[i].count); | |
534 | byte_count += psg->sg[i].count; | |
535 | } | |
536 | ||
537 | srbcmd->count = cpu_to_le32(byte_count); | |
538 | status = fib_send(ScsiPortCommand64, srbfib, actual_fibsize, FsaNormal, 1, 1,NULL,NULL); | |
539 | } else { | |
540 | struct sgmap* psg = &srbcmd->sg; | |
541 | byte_count = 0; | |
542 | ||
543 | actual_fibsize = sizeof (struct aac_srb) + | |
544 | (((le32_to_cpu(srbcmd->sg.count) & 0xff) - 1) * | |
545 | sizeof (struct sgentry)); | |
546 | if(actual_fibsize != fibsize){ // User made a mistake - should not continue | |
547 | printk(KERN_DEBUG"aacraid: Bad Size specified in Raw SRB command\n"); | |
548 | rcode = -EINVAL; | |
549 | goto cleanup; | |
550 | } | |
551 | if ((data_dir == DMA_NONE) && psg->count) { | |
552 | printk(KERN_DEBUG"aacraid: SG with no direction specified in Raw SRB command\n"); | |
553 | rcode = -EINVAL; | |
554 | goto cleanup; | |
555 | } | |
556 | for (i = 0; i < psg->count; i++) { | |
557 | dma_addr_t addr; | |
558 | void* p; | |
559 | p = kmalloc(psg->sg[i].count,GFP_KERNEL); | |
560 | if(p == 0) { | |
561 | printk(KERN_DEBUG"aacraid: Could not allocate SG buffer - size = %d buffer number %d of %d\n", | |
562 | psg->sg[i].count,i,psg->count); | |
563 | rcode = -ENOMEM; | |
564 | goto cleanup; | |
565 | } | |
566 | sg_user[i] = (void __user *)(psg->sg[i].addr); | |
567 | sg_list[i] = p; // save so we can clean up later | |
568 | sg_indx = i; | |
569 | ||
570 | if( flags & SRB_DataOut ){ | |
571 | if(copy_from_user(p,sg_user[i],psg->sg[i].count)){ | |
572 | printk(KERN_DEBUG"aacraid: Could not copy sg data from user\n"); | |
573 | rcode = -EFAULT; | |
574 | goto cleanup; | |
575 | } | |
576 | } | |
577 | addr = pci_map_single(dev->pdev, p, psg->sg[i].count, data_dir); | |
578 | ||
579 | psg->sg[i].addr = cpu_to_le32(addr); | |
580 | psg->sg[i].count = cpu_to_le32(psg->sg[i].count); | |
581 | byte_count += psg->sg[i].count; | |
582 | } | |
583 | srbcmd->count = cpu_to_le32(byte_count); | |
584 | status = fib_send(ScsiPortCommand, srbfib, actual_fibsize, FsaNormal, 1, 1, NULL, NULL); | |
585 | } | |
586 | ||
587 | if (status != 0){ | |
588 | printk(KERN_DEBUG"aacraid: Could not send raw srb fib to hba\n"); | |
589 | rcode = -1; | |
590 | goto cleanup; | |
591 | } | |
592 | ||
593 | if( flags & SRB_DataIn ) { | |
594 | for(i = 0 ; i <= sg_indx; i++){ | |
595 | if(copy_to_user(sg_user[i],sg_list[i],le32_to_cpu(srbcmd->sg.sg[i].count))){ | |
596 | printk(KERN_DEBUG"aacraid: Could not copy sg data to user\n"); | |
597 | rcode = -EFAULT; | |
598 | goto cleanup; | |
599 | ||
600 | } | |
601 | } | |
602 | } | |
603 | ||
604 | reply = (struct aac_srb_reply *) fib_data(srbfib); | |
605 | if(copy_to_user(user_reply,reply,sizeof(struct aac_srb_reply))){ | |
606 | printk(KERN_DEBUG"aacraid: Could not copy reply to user\n"); | |
607 | rcode = -EFAULT; | |
608 | goto cleanup; | |
609 | } | |
610 | ||
611 | cleanup: | |
612 | for(i=0; i <= sg_indx; i++){ | |
613 | kfree(sg_list[i]); | |
614 | } | |
615 | fib_complete(srbfib); | |
616 | fib_free(srbfib); | |
617 | ||
618 | return rcode; | |
619 | } | |
620 | ||
621 | ||
622 | struct aac_pci_info { | |
623 | u32 bus; | |
624 | u32 slot; | |
625 | }; | |
626 | ||
627 | ||
628 | int aac_get_pci_info(struct aac_dev* dev, void __user *arg) | |
629 | { | |
630 | struct aac_pci_info pci_info; | |
631 | ||
632 | pci_info.bus = dev->pdev->bus->number; | |
633 | pci_info.slot = PCI_SLOT(dev->pdev->devfn); | |
634 | ||
635 | if (copy_to_user(arg, &pci_info, sizeof(struct aac_pci_info))) { | |
636 | printk(KERN_DEBUG "aacraid: Could not copy pci info\n"); | |
637 | return -EFAULT; | |
638 | } | |
639 | return 0; | |
640 | } | |
641 | ||
642 | ||
643 | int aac_do_ioctl(struct aac_dev * dev, int cmd, void __user *arg) | |
644 | { | |
645 | int status; | |
646 | ||
647 | /* | |
648 | * HBA gets first crack | |
649 | */ | |
650 | ||
651 | status = aac_dev_ioctl(dev, cmd, arg); | |
652 | if(status != -ENOTTY) | |
653 | return status; | |
654 | ||
655 | switch (cmd) { | |
656 | case FSACTL_MINIPORT_REV_CHECK: | |
657 | status = check_revision(dev, arg); | |
658 | break; | |
659 | case FSACTL_SENDFIB: | |
660 | status = ioctl_send_fib(dev, arg); | |
661 | break; | |
662 | case FSACTL_OPEN_GET_ADAPTER_FIB: | |
663 | status = open_getadapter_fib(dev, arg); | |
664 | break; | |
665 | case FSACTL_GET_NEXT_ADAPTER_FIB: | |
666 | status = next_getadapter_fib(dev, arg); | |
667 | break; | |
668 | case FSACTL_CLOSE_GET_ADAPTER_FIB: | |
669 | status = close_getadapter_fib(dev, arg); | |
670 | break; | |
671 | case FSACTL_SEND_RAW_SRB: | |
672 | status = aac_send_raw_srb(dev,arg); | |
673 | break; | |
674 | case FSACTL_GET_PCI_INFO: | |
675 | status = aac_get_pci_info(dev,arg); | |
676 | break; | |
677 | default: | |
678 | status = -ENOTTY; | |
679 | break; | |
680 | } | |
681 | return status; | |
682 | } | |
683 |