Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
2 | * Adaptec AAC series RAID controller driver | |
fa195afe | 3 | * (c) Copyright 2001 Red Hat Inc. |
1da177e4 LT |
4 | * |
5 | * based on the old aacraid driver that is.. | |
6 | * Adaptec aacraid device driver for Linux. | |
7 | * | |
e8b12f0f | 8 | * Copyright (c) 2000-2010 Adaptec, Inc. |
f4babba0 RAR |
9 | * 2010-2015 PMC-Sierra, Inc. (aacraid@pmc-sierra.com) |
10 | * 2016-2017 Microsemi Corp. (aacraid@microsemi.com) | |
1da177e4 LT |
11 | * |
12 | * This program is free software; you can redistribute it and/or modify | |
13 | * it under the terms of the GNU General Public License as published by | |
14 | * the Free Software Foundation; either version 2, or (at your option) | |
15 | * any later version. | |
16 | * | |
17 | * This program is distributed in the hope that it will be useful, | |
18 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
20 | * GNU General Public License for more details. | |
21 | * | |
22 | * You should have received a copy of the GNU General Public License | |
23 | * along with this program; see the file COPYING. If not, write to | |
24 | * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. | |
25 | * | |
26 | * Module Name: | |
27 | * commctrl.c | |
28 | * | |
29 | * Abstract: Contains all routines for control of the AFA comm layer | |
30 | * | |
31 | */ | |
32 | ||
33 | #include <linux/kernel.h> | |
34 | #include <linux/init.h> | |
35 | #include <linux/types.h> | |
1da177e4 LT |
36 | #include <linux/pci.h> |
37 | #include <linux/spinlock.h> | |
38 | #include <linux/slab.h> | |
39 | #include <linux/completion.h> | |
40 | #include <linux/dma-mapping.h> | |
41 | #include <linux/blkdev.h> | |
c8f7b073 | 42 | #include <linux/delay.h> /* ssleep prototype */ |
dc4adbf4 | 43 | #include <linux/kthread.h> |
6188e10d | 44 | #include <linux/semaphore.h> |
7c0f6ba6 | 45 | #include <linux/uaccess.h> |
09050715 | 46 | #include <scsi/scsi_host.h> |
1da177e4 LT |
47 | |
48 | #include "aacraid.h" | |
49 | ||
50 | /** | |
51 | * ioctl_send_fib - send a FIB from userspace | |
52 | * @dev: adapter is being processed | |
53 | * @arg: arguments to the ioctl call | |
8ce3eca4 | 54 | * |
1da177e4 LT |
55 | * This routine sends a fib to the adapter on behalf of a user level |
56 | * program. | |
57 | */ | |
7c00ffa3 MH |
58 | # define AAC_DEBUG_PREAMBLE KERN_INFO |
59 | # define AAC_DEBUG_POSTAMBLE | |
8ce3eca4 | 60 | |
1da177e4 LT |
61 | static int ioctl_send_fib(struct aac_dev * dev, void __user *arg) |
62 | { | |
63 | struct hw_fib * kfib; | |
64 | struct fib *fibptr; | |
7c00ffa3 MH |
65 | struct hw_fib * hw_fib = (struct hw_fib *)0; |
66 | dma_addr_t hw_fib_pa = (dma_addr_t)0LL; | |
fa00c437 | 67 | unsigned int size, osize; |
7c00ffa3 | 68 | int retval; |
1da177e4 | 69 | |
33bb3b29 MH |
70 | if (dev->in_reset) { |
71 | return -EBUSY; | |
72 | } | |
bfb35aa8 | 73 | fibptr = aac_fib_alloc(dev); |
7c00ffa3 | 74 | if(fibptr == NULL) { |
1da177e4 | 75 | return -ENOMEM; |
7c00ffa3 | 76 | } |
8ce3eca4 | 77 | |
a8166a52 | 78 | kfib = fibptr->hw_fib_va; |
1da177e4 LT |
79 | /* |
80 | * First copy in the header so that we can check the size field. | |
81 | */ | |
82 | if (copy_from_user((void *)kfib, arg, sizeof(struct aac_fibhdr))) { | |
bfb35aa8 | 83 | aac_fib_free(fibptr); |
1da177e4 LT |
84 | return -EFAULT; |
85 | } | |
86 | /* | |
87 | * Since we copy based on the fib header size, make sure that we | |
88 | * will not overrun the buffer when we copy the memory. Return | |
89 | * an error if we would. | |
90 | */ | |
fa00c437 DC |
91 | osize = size = le16_to_cpu(kfib->header.Size) + |
92 | sizeof(struct aac_fibhdr); | |
7c00ffa3 MH |
93 | if (size < le16_to_cpu(kfib->header.SenderSize)) |
94 | size = le16_to_cpu(kfib->header.SenderSize); | |
95 | if (size > dev->max_fib_size) { | |
e9899113 FT |
96 | dma_addr_t daddr; |
97 | ||
6e289a90 MH |
98 | if (size > 2048) { |
99 | retval = -EINVAL; | |
100 | goto cleanup; | |
101 | } | |
e9899113 | 102 | |
f481973d MR |
103 | kfib = dma_alloc_coherent(&dev->pdev->dev, size, &daddr, |
104 | GFP_KERNEL); | |
e9899113 FT |
105 | if (!kfib) { |
106 | retval = -ENOMEM; | |
107 | goto cleanup; | |
108 | } | |
109 | ||
7c00ffa3 | 110 | /* Highjack the hw_fib */ |
a8166a52 | 111 | hw_fib = fibptr->hw_fib_va; |
7c00ffa3 | 112 | hw_fib_pa = fibptr->hw_fib_pa; |
e9899113 FT |
113 | fibptr->hw_fib_va = kfib; |
114 | fibptr->hw_fib_pa = daddr; | |
7c00ffa3 MH |
115 | memset(((char *)kfib) + dev->max_fib_size, 0, size - dev->max_fib_size); |
116 | memcpy(kfib, hw_fib, dev->max_fib_size); | |
1da177e4 LT |
117 | } |
118 | ||
7c00ffa3 MH |
119 | if (copy_from_user(kfib, arg, size)) { |
120 | retval = -EFAULT; | |
121 | goto cleanup; | |
1da177e4 LT |
122 | } |
123 | ||
fa00c437 DC |
124 | /* Sanity check the second copy */ |
125 | if ((osize != le16_to_cpu(kfib->header.Size) + | |
126 | sizeof(struct aac_fibhdr)) | |
127 | || (size < le16_to_cpu(kfib->header.SenderSize))) { | |
128 | retval = -EINVAL; | |
129 | goto cleanup; | |
130 | } | |
131 | ||
56b58712 | 132 | if (kfib->header.Command == cpu_to_le16(TakeABreakPt)) { |
1da177e4 LT |
133 | aac_adapter_interrupt(dev); |
134 | /* | |
8ce3eca4 | 135 | * Since we didn't really send a fib, zero out the state to allow |
1da177e4 LT |
136 | * cleanup code not to assert. |
137 | */ | |
138 | kfib->header.XferState = 0; | |
139 | } else { | |
bfb35aa8 | 140 | retval = aac_fib_send(le16_to_cpu(kfib->header.Command), fibptr, |
1da177e4 LT |
141 | le16_to_cpu(kfib->header.Size) , FsaNormal, |
142 | 1, 1, NULL, NULL); | |
143 | if (retval) { | |
7c00ffa3 | 144 | goto cleanup; |
1da177e4 | 145 | } |
bfb35aa8 | 146 | if (aac_fib_complete(fibptr) != 0) { |
7c00ffa3 MH |
147 | retval = -EINVAL; |
148 | goto cleanup; | |
1da177e4 LT |
149 | } |
150 | } | |
151 | /* | |
152 | * Make sure that the size returned by the adapter (which includes | |
153 | * the header) is less than or equal to the size of a fib, so we | |
154 | * don't corrupt application data. Then copy that size to the user | |
155 | * buffer. (Don't try to add the header information again, since it | |
156 | * was already included by the adapter.) | |
157 | */ | |
158 | ||
7c00ffa3 MH |
159 | retval = 0; |
160 | if (copy_to_user(arg, (void *)kfib, size)) | |
161 | retval = -EFAULT; | |
162 | cleanup: | |
163 | if (hw_fib) { | |
f481973d MR |
164 | dma_free_coherent(&dev->pdev->dev, size, kfib, |
165 | fibptr->hw_fib_pa); | |
7c00ffa3 | 166 | fibptr->hw_fib_pa = hw_fib_pa; |
a8166a52 | 167 | fibptr->hw_fib_va = hw_fib; |
1da177e4 | 168 | } |
cacb6dc3 | 169 | if (retval != -ERESTARTSYS) |
c8f7b073 | 170 | aac_fib_free(fibptr); |
7c00ffa3 | 171 | return retval; |
1da177e4 LT |
172 | } |
173 | ||
174 | /** | |
175 | * open_getadapter_fib - Get the next fib | |
176 | * | |
177 | * This routine will get the next Fib, if available, from the AdapterFibContext | |
178 | * passed in from the user. | |
179 | */ | |
180 | ||
181 | static int open_getadapter_fib(struct aac_dev * dev, void __user *arg) | |
182 | { | |
183 | struct aac_fib_context * fibctx; | |
184 | int status; | |
185 | ||
186 | fibctx = kmalloc(sizeof(struct aac_fib_context), GFP_KERNEL); | |
187 | if (fibctx == NULL) { | |
188 | status = -ENOMEM; | |
189 | } else { | |
190 | unsigned long flags; | |
191 | struct list_head * entry; | |
192 | struct aac_fib_context * context; | |
193 | ||
194 | fibctx->type = FSAFS_NTC_GET_ADAPTER_FIB_CONTEXT; | |
195 | fibctx->size = sizeof(struct aac_fib_context); | |
8ce3eca4 | 196 | /* |
1da177e4 LT |
197 | * Yes yes, I know this could be an index, but we have a |
198 | * better guarantee of uniqueness for the locked loop below. | |
199 | * Without the aid of a persistent history, this also helps | |
200 | * reduce the chance that the opaque context would be reused. | |
201 | */ | |
202 | fibctx->unique = (u32)((ulong)fibctx & 0xFFFFFFFF); | |
203 | /* | |
204 | * Initialize the mutex used to wait for the next AIF. | |
205 | */ | |
6de76cfc | 206 | sema_init(&fibctx->wait_sem, 0); |
1da177e4 LT |
207 | fibctx->wait = 0; |
208 | /* | |
209 | * Initialize the fibs and set the count of fibs on | |
210 | * the list to 0. | |
211 | */ | |
212 | fibctx->count = 0; | |
213 | INIT_LIST_HEAD(&fibctx->fib_list); | |
214 | fibctx->jiffies = jiffies/HZ; | |
215 | /* | |
8ce3eca4 | 216 | * Now add this context onto the adapter's |
1da177e4 LT |
217 | * AdapterFibContext list. |
218 | */ | |
219 | spin_lock_irqsave(&dev->fib_lock, flags); | |
220 | /* Ensure that we have a unique identifier */ | |
221 | entry = dev->fib_list.next; | |
222 | while (entry != &dev->fib_list) { | |
223 | context = list_entry(entry, struct aac_fib_context, next); | |
224 | if (context->unique == fibctx->unique) { | |
225 | /* Not unique (32 bits) */ | |
226 | fibctx->unique++; | |
227 | entry = dev->fib_list.next; | |
228 | } else { | |
229 | entry = entry->next; | |
230 | } | |
231 | } | |
232 | list_add_tail(&fibctx->next, &dev->fib_list); | |
233 | spin_unlock_irqrestore(&dev->fib_lock, flags); | |
8ce3eca4 | 234 | if (copy_to_user(arg, &fibctx->unique, |
1da177e4 LT |
235 | sizeof(fibctx->unique))) { |
236 | status = -EFAULT; | |
237 | } else { | |
238 | status = 0; | |
8ce3eca4 | 239 | } |
1da177e4 LT |
240 | } |
241 | return status; | |
242 | } | |
243 | ||
244 | /** | |
245 | * next_getadapter_fib - get the next fib | |
246 | * @dev: adapter to use | |
247 | * @arg: ioctl argument | |
8ce3eca4 SM |
248 | * |
249 | * This routine will get the next Fib, if available, from the AdapterFibContext | |
1da177e4 LT |
250 | * passed in from the user. |
251 | */ | |
252 | ||
253 | static int next_getadapter_fib(struct aac_dev * dev, void __user *arg) | |
254 | { | |
255 | struct fib_ioctl f; | |
256 | struct fib *fib; | |
257 | struct aac_fib_context *fibctx; | |
258 | int status; | |
259 | struct list_head * entry; | |
260 | unsigned long flags; | |
8ce3eca4 | 261 | |
1da177e4 LT |
262 | if(copy_from_user((void *)&f, arg, sizeof(struct fib_ioctl))) |
263 | return -EFAULT; | |
264 | /* | |
265 | * Verify that the HANDLE passed in was a valid AdapterFibContext | |
266 | * | |
267 | * Search the list of AdapterFibContext addresses on the adapter | |
268 | * to be sure this is a valid address | |
269 | */ | |
5234e25c | 270 | spin_lock_irqsave(&dev->fib_lock, flags); |
1da177e4 LT |
271 | entry = dev->fib_list.next; |
272 | fibctx = NULL; | |
273 | ||
274 | while (entry != &dev->fib_list) { | |
275 | fibctx = list_entry(entry, struct aac_fib_context, next); | |
276 | /* | |
277 | * Extract the AdapterFibContext from the Input parameters. | |
278 | */ | |
5234e25c | 279 | if (fibctx->unique == f.fibctx) { /* We found a winner */ |
1da177e4 LT |
280 | break; |
281 | } | |
282 | entry = entry->next; | |
283 | fibctx = NULL; | |
284 | } | |
285 | if (!fibctx) { | |
5234e25c | 286 | spin_unlock_irqrestore(&dev->fib_lock, flags); |
1da177e4 LT |
287 | dprintk ((KERN_INFO "Fib Context not found\n")); |
288 | return -EINVAL; | |
289 | } | |
290 | ||
291 | if((fibctx->type != FSAFS_NTC_GET_ADAPTER_FIB_CONTEXT) || | |
292 | (fibctx->size != sizeof(struct aac_fib_context))) { | |
5234e25c | 293 | spin_unlock_irqrestore(&dev->fib_lock, flags); |
1da177e4 LT |
294 | dprintk ((KERN_INFO "Fib Context corrupt?\n")); |
295 | return -EINVAL; | |
296 | } | |
297 | status = 0; | |
1da177e4 LT |
298 | /* |
299 | * If there are no fibs to send back, then either wait or return | |
300 | * -EAGAIN | |
301 | */ | |
302 | return_fib: | |
303 | if (!list_empty(&fibctx->fib_list)) { | |
1da177e4 LT |
304 | /* |
305 | * Pull the next fib from the fibs | |
306 | */ | |
307 | entry = fibctx->fib_list.next; | |
308 | list_del(entry); | |
8ce3eca4 | 309 | |
1da177e4 LT |
310 | fib = list_entry(entry, struct fib, fiblink); |
311 | fibctx->count--; | |
312 | spin_unlock_irqrestore(&dev->fib_lock, flags); | |
a8166a52 MH |
313 | if (copy_to_user(f.fib, fib->hw_fib_va, sizeof(struct hw_fib))) { |
314 | kfree(fib->hw_fib_va); | |
1da177e4 LT |
315 | kfree(fib); |
316 | return -EFAULT; | |
8ce3eca4 | 317 | } |
1da177e4 LT |
318 | /* |
319 | * Free the space occupied by this copy of the fib. | |
320 | */ | |
a8166a52 | 321 | kfree(fib->hw_fib_va); |
1da177e4 LT |
322 | kfree(fib); |
323 | status = 0; | |
1da177e4 LT |
324 | } else { |
325 | spin_unlock_irqrestore(&dev->fib_lock, flags); | |
dc4adbf4 MH |
326 | /* If someone killed the AIF aacraid thread, restart it */ |
327 | status = !dev->aif_thread; | |
8c867b25 | 328 | if (status && !dev->in_reset && dev->queues && dev->fsa_dev) { |
dc4adbf4 MH |
329 | /* Be paranoid, be very paranoid! */ |
330 | kthread_stop(dev->thread); | |
331 | ssleep(1); | |
332 | dev->aif_thread = 0; | |
f170168b KC |
333 | dev->thread = kthread_run(aac_command_thread, dev, |
334 | "%s", dev->name); | |
dc4adbf4 MH |
335 | ssleep(1); |
336 | } | |
1da177e4 LT |
337 | if (f.wait) { |
338 | if(down_interruptible(&fibctx->wait_sem) < 0) { | |
cacb6dc3 | 339 | status = -ERESTARTSYS; |
1da177e4 LT |
340 | } else { |
341 | /* Lock again and retry */ | |
342 | spin_lock_irqsave(&dev->fib_lock, flags); | |
343 | goto return_fib; | |
344 | } | |
345 | } else { | |
346 | status = -EAGAIN; | |
8ce3eca4 | 347 | } |
1da177e4 | 348 | } |
12a26d08 | 349 | fibctx->jiffies = jiffies/HZ; |
1da177e4 LT |
350 | return status; |
351 | } | |
352 | ||
353 | int aac_close_fib_context(struct aac_dev * dev, struct aac_fib_context * fibctx) | |
354 | { | |
355 | struct fib *fib; | |
356 | ||
357 | /* | |
358 | * First free any FIBs that have not been consumed. | |
359 | */ | |
360 | while (!list_empty(&fibctx->fib_list)) { | |
361 | struct list_head * entry; | |
362 | /* | |
363 | * Pull the next fib from the fibs | |
364 | */ | |
365 | entry = fibctx->fib_list.next; | |
366 | list_del(entry); | |
367 | fib = list_entry(entry, struct fib, fiblink); | |
368 | fibctx->count--; | |
369 | /* | |
370 | * Free the space occupied by this copy of the fib. | |
371 | */ | |
a8166a52 | 372 | kfree(fib->hw_fib_va); |
1da177e4 LT |
373 | kfree(fib); |
374 | } | |
375 | /* | |
376 | * Remove the Context from the AdapterFibContext List | |
377 | */ | |
378 | list_del(&fibctx->next); | |
379 | /* | |
380 | * Invalidate context | |
381 | */ | |
382 | fibctx->type = 0; | |
383 | /* | |
384 | * Free the space occupied by the Context | |
385 | */ | |
386 | kfree(fibctx); | |
387 | return 0; | |
388 | } | |
389 | ||
390 | /** | |
391 | * close_getadapter_fib - close down user fib context | |
392 | * @dev: adapter | |
393 | * @arg: ioctl arguments | |
394 | * | |
395 | * This routine will close down the fibctx passed in from the user. | |
396 | */ | |
8ce3eca4 | 397 | |
1da177e4 LT |
398 | static int close_getadapter_fib(struct aac_dev * dev, void __user *arg) |
399 | { | |
400 | struct aac_fib_context *fibctx; | |
401 | int status; | |
402 | unsigned long flags; | |
403 | struct list_head * entry; | |
404 | ||
405 | /* | |
406 | * Verify that the HANDLE passed in was a valid AdapterFibContext | |
407 | * | |
408 | * Search the list of AdapterFibContext addresses on the adapter | |
409 | * to be sure this is a valid address | |
410 | */ | |
411 | ||
412 | entry = dev->fib_list.next; | |
413 | fibctx = NULL; | |
414 | ||
415 | while(entry != &dev->fib_list) { | |
416 | fibctx = list_entry(entry, struct aac_fib_context, next); | |
417 | /* | |
418 | * Extract the fibctx from the input parameters | |
419 | */ | |
142956af | 420 | if (fibctx->unique == (u32)(uintptr_t)arg) /* We found a winner */ |
1da177e4 | 421 | break; |
1da177e4 LT |
422 | entry = entry->next; |
423 | fibctx = NULL; | |
424 | } | |
425 | ||
426 | if (!fibctx) | |
427 | return 0; /* Already gone */ | |
428 | ||
429 | if((fibctx->type != FSAFS_NTC_GET_ADAPTER_FIB_CONTEXT) || | |
430 | (fibctx->size != sizeof(struct aac_fib_context))) | |
431 | return -EINVAL; | |
432 | spin_lock_irqsave(&dev->fib_lock, flags); | |
433 | status = aac_close_fib_context(dev, fibctx); | |
434 | spin_unlock_irqrestore(&dev->fib_lock, flags); | |
435 | return status; | |
436 | } | |
437 | ||
438 | /** | |
439 | * check_revision - close down user fib context | |
440 | * @dev: adapter | |
441 | * @arg: ioctl arguments | |
442 | * | |
443 | * This routine returns the driver version. | |
5234e25c SM |
444 | * Under Linux, there have been no version incompatibilities, so this is |
445 | * simple! | |
1da177e4 LT |
446 | */ |
447 | ||
448 | static int check_revision(struct aac_dev *dev, void __user *arg) | |
449 | { | |
450 | struct revision response; | |
c7f47602 MH |
451 | char *driver_version = aac_driver_version; |
452 | u32 version; | |
453 | ||
9f30a323 | 454 | response.compat = 1; |
8ce3eca4 | 455 | version = (simple_strtol(driver_version, |
c7f47602 MH |
456 | &driver_version, 10) << 24) | 0x00000400; |
457 | version += simple_strtol(driver_version + 1, &driver_version, 10) << 16; | |
458 | version += simple_strtol(driver_version + 1, NULL, 10); | |
459 | response.version = cpu_to_le32(version); | |
8ce3eca4 | 460 | # ifdef AAC_DRIVER_BUILD |
c7f47602 MH |
461 | response.build = cpu_to_le32(AAC_DRIVER_BUILD); |
462 | # else | |
463 | response.build = cpu_to_le32(9999); | |
464 | # endif | |
1da177e4 LT |
465 | |
466 | if (copy_to_user(arg, &response, sizeof(response))) | |
467 | return -EFAULT; | |
468 | return 0; | |
469 | } | |
470 | ||
7c00ffa3 | 471 | |
1da177e4 LT |
472 | /** |
473 | * | |
474 | * aac_send_raw_scb | |
475 | * | |
476 | */ | |
477 | ||
4833869e | 478 | static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg) |
1da177e4 LT |
479 | { |
480 | struct fib* srbfib; | |
481 | int status; | |
56b58712 | 482 | struct aac_srb *srbcmd = NULL; |
423400e6 | 483 | struct aac_hba_cmd_req *hbacmd = NULL; |
56b58712 MH |
484 | struct user_aac_srb *user_srbcmd = NULL; |
485 | struct user_aac_srb __user *user_srb = arg; | |
1da177e4 | 486 | struct aac_srb_reply __user *user_reply; |
423400e6 | 487 | u32 chn; |
1da177e4 LT |
488 | u32 fibsize = 0; |
489 | u32 flags = 0; | |
490 | s32 rcode = 0; | |
491 | u32 data_dir; | |
423400e6 RAR |
492 | void __user *sg_user[HBA_MAX_SG_EMBEDDED]; |
493 | void *sg_list[HBA_MAX_SG_EMBEDDED]; | |
494 | u32 sg_count[HBA_MAX_SG_EMBEDDED]; | |
5234e25c | 495 | u32 sg_indx = 0; |
1da177e4 | 496 | u32 byte_count = 0; |
f2b1a06a | 497 | u32 actual_fibsize64, actual_fibsize = 0; |
1da177e4 | 498 | int i; |
423400e6 RAR |
499 | int is_native_device; |
500 | u64 address; | |
1da177e4 LT |
501 | |
502 | ||
33bb3b29 MH |
503 | if (dev->in_reset) { |
504 | dprintk((KERN_DEBUG"aacraid: send raw srb -EBUSY\n")); | |
505 | return -EBUSY; | |
506 | } | |
1da177e4 | 507 | if (!capable(CAP_SYS_ADMIN)){ |
8ce3eca4 | 508 | dprintk((KERN_DEBUG"aacraid: No permission to send raw srb\n")); |
1da177e4 LT |
509 | return -EPERM; |
510 | } | |
511 | /* | |
f2b1a06a | 512 | * Allocate and initialize a Fib then setup a SRB command |
1da177e4 | 513 | */ |
bfb35aa8 | 514 | if (!(srbfib = aac_fib_alloc(dev))) { |
5d497cec | 515 | return -ENOMEM; |
1da177e4 | 516 | } |
1da177e4 | 517 | |
7c00ffa3 | 518 | memset(sg_list, 0, sizeof(sg_list)); /* cleanup may take issue */ |
1da177e4 | 519 | if(copy_from_user(&fibsize, &user_srb->count,sizeof(u32))){ |
8ce3eca4 | 520 | dprintk((KERN_DEBUG"aacraid: Could not copy data size from user\n")); |
1da177e4 LT |
521 | rcode = -EFAULT; |
522 | goto cleanup; | |
523 | } | |
524 | ||
b4789b8e MR |
525 | if ((fibsize < (sizeof(struct user_aac_srb) - sizeof(struct user_sgentry))) || |
526 | (fibsize > (dev->max_fib_size - sizeof(struct aac_fibhdr)))) { | |
1da177e4 LT |
527 | rcode = -EINVAL; |
528 | goto cleanup; | |
529 | } | |
530 | ||
4645df10 | 531 | user_srbcmd = kmalloc(fibsize, GFP_KERNEL); |
7c00ffa3 MH |
532 | if (!user_srbcmd) { |
533 | dprintk((KERN_DEBUG"aacraid: Could not make a copy of the srb\n")); | |
534 | rcode = -ENOMEM; | |
535 | goto cleanup; | |
536 | } | |
56b58712 | 537 | if(copy_from_user(user_srbcmd, user_srb,fibsize)){ |
8ce3eca4 | 538 | dprintk((KERN_DEBUG"aacraid: Could not copy srb from user\n")); |
1da177e4 LT |
539 | rcode = -EFAULT; |
540 | goto cleanup; | |
541 | } | |
542 | ||
56b58712 | 543 | flags = user_srbcmd->flags; /* from user in cpu order */ |
56b58712 | 544 | switch (flags & (SRB_DataIn | SRB_DataOut)) { |
1da177e4 LT |
545 | case SRB_DataOut: |
546 | data_dir = DMA_TO_DEVICE; | |
547 | break; | |
548 | case (SRB_DataIn | SRB_DataOut): | |
549 | data_dir = DMA_BIDIRECTIONAL; | |
550 | break; | |
551 | case SRB_DataIn: | |
552 | data_dir = DMA_FROM_DEVICE; | |
553 | break; | |
554 | default: | |
555 | data_dir = DMA_NONE; | |
556 | } | |
6391a113 | 557 | if (user_srbcmd->sg.count > ARRAY_SIZE(sg_list)) { |
7c00ffa3 | 558 | dprintk((KERN_DEBUG"aacraid: too many sg entries %d\n", |
423400e6 RAR |
559 | user_srbcmd->sg.count)); |
560 | rcode = -EINVAL; | |
561 | goto cleanup; | |
562 | } | |
563 | if ((data_dir == DMA_NONE) && user_srbcmd->sg.count) { | |
564 | dprintk((KERN_DEBUG"aacraid:SG with no direction specified\n")); | |
7c00ffa3 MH |
565 | rcode = -EINVAL; |
566 | goto cleanup; | |
567 | } | |
f2b1a06a MH |
568 | actual_fibsize = sizeof(struct aac_srb) - sizeof(struct sgentry) + |
569 | ((user_srbcmd->sg.count & 0xff) * sizeof(struct sgentry)); | |
570 | actual_fibsize64 = actual_fibsize + (user_srbcmd->sg.count & 0xff) * | |
571 | (sizeof(struct sgentry64) - sizeof(struct sgentry)); | |
572 | /* User made a mistake - should not continue */ | |
573 | if ((actual_fibsize != fibsize) && (actual_fibsize64 != fibsize)) { | |
574 | dprintk((KERN_DEBUG"aacraid: Bad Size specified in " | |
575 | "Raw SRB command calculated fibsize=%lu;%lu " | |
576 | "user_srbcmd->sg.count=%d aac_srb=%lu sgentry=%lu;%lu " | |
577 | "issued fibsize=%d\n", | |
578 | actual_fibsize, actual_fibsize64, user_srbcmd->sg.count, | |
579 | sizeof(struct aac_srb), sizeof(struct sgentry), | |
580 | sizeof(struct sgentry64), fibsize)); | |
581 | rcode = -EINVAL; | |
582 | goto cleanup; | |
583 | } | |
423400e6 | 584 | |
f3ef4a74 | 585 | chn = user_srbcmd->channel; |
423400e6 RAR |
586 | if (chn < AAC_MAX_BUSES && user_srbcmd->id < AAC_MAX_TARGETS && |
587 | dev->hba_map[chn][user_srbcmd->id].devtype == | |
588 | AAC_DEVTYPE_NATIVE_RAW) { | |
589 | is_native_device = 1; | |
590 | hbacmd = (struct aac_hba_cmd_req *)srbfib->hw_fib_va; | |
591 | memset(hbacmd, 0, 96); /* sizeof(*hbacmd) is not necessary */ | |
592 | ||
593 | /* iu_type is a parameter of aac_hba_send */ | |
594 | switch (data_dir) { | |
595 | case DMA_TO_DEVICE: | |
596 | hbacmd->byte1 = 2; | |
597 | break; | |
598 | case DMA_FROM_DEVICE: | |
599 | case DMA_BIDIRECTIONAL: | |
600 | hbacmd->byte1 = 1; | |
601 | break; | |
602 | case DMA_NONE: | |
603 | default: | |
604 | break; | |
605 | } | |
606 | hbacmd->lun[1] = cpu_to_le32(user_srbcmd->lun); | |
607 | hbacmd->it_nexus = dev->hba_map[chn][user_srbcmd->id].rmw_nexus; | |
608 | ||
609 | /* | |
610 | * we fill in reply_qid later in aac_src_deliver_message | |
611 | * we fill in iu_type, request_id later in aac_hba_send | |
612 | * we fill in emb_data_desc_count, data_length later | |
613 | * in sg list build | |
614 | */ | |
615 | ||
616 | memcpy(hbacmd->cdb, user_srbcmd->cdb, sizeof(hbacmd->cdb)); | |
617 | ||
618 | address = (u64)srbfib->hw_error_pa; | |
619 | hbacmd->error_ptr_hi = cpu_to_le32((u32)(address >> 32)); | |
620 | hbacmd->error_ptr_lo = cpu_to_le32((u32)(address & 0xffffffff)); | |
621 | hbacmd->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE); | |
622 | hbacmd->emb_data_desc_count = | |
623 | cpu_to_le32(user_srbcmd->sg.count); | |
624 | srbfib->hbacmd_size = 64 + | |
625 | user_srbcmd->sg.count * sizeof(struct aac_hba_sgl); | |
626 | ||
627 | } else { | |
628 | is_native_device = 0; | |
629 | aac_fib_init(srbfib); | |
630 | ||
631 | /* raw_srb FIB is not FastResponseCapable */ | |
632 | srbfib->hw_fib_va->header.XferState &= | |
633 | ~cpu_to_le32(FastResponseCapable); | |
634 | ||
635 | srbcmd = (struct aac_srb *) fib_data(srbfib); | |
636 | ||
637 | // Fix up srb for endian and force some values | |
638 | ||
639 | srbcmd->function = cpu_to_le32(SRBF_ExecuteScsi); // Force this | |
640 | srbcmd->channel = cpu_to_le32(user_srbcmd->channel); | |
641 | srbcmd->id = cpu_to_le32(user_srbcmd->id); | |
642 | srbcmd->lun = cpu_to_le32(user_srbcmd->lun); | |
643 | srbcmd->timeout = cpu_to_le32(user_srbcmd->timeout); | |
644 | srbcmd->flags = cpu_to_le32(flags); | |
645 | srbcmd->retry_limit = 0; // Obsolete parameter | |
646 | srbcmd->cdb_size = cpu_to_le32(user_srbcmd->cdb_size); | |
647 | memcpy(srbcmd->cdb, user_srbcmd->cdb, sizeof(srbcmd->cdb)); | |
f2b1a06a | 648 | } |
423400e6 | 649 | |
f2b1a06a | 650 | byte_count = 0; |
423400e6 RAR |
651 | if (is_native_device) { |
652 | struct user_sgmap *usg32 = &user_srbcmd->sg; | |
653 | struct user_sgmap64 *usg64 = | |
654 | (struct user_sgmap64 *)&user_srbcmd->sg; | |
655 | ||
656 | for (i = 0; i < usg32->count; i++) { | |
657 | void *p; | |
658 | u64 addr; | |
659 | ||
660 | sg_count[i] = (actual_fibsize64 == fibsize) ? | |
661 | usg64->sg[i].count : usg32->sg[i].count; | |
662 | if (sg_count[i] > | |
663 | (dev->scsi_host_ptr->max_sectors << 9)) { | |
664 | pr_err("aacraid: upsg->sg[%d].count=%u>%u\n", | |
665 | i, sg_count[i], | |
666 | dev->scsi_host_ptr->max_sectors << 9); | |
667 | rcode = -EINVAL; | |
668 | goto cleanup; | |
669 | } | |
670 | ||
c831a4a0 | 671 | p = kmalloc(sg_count[i], GFP_KERNEL); |
423400e6 RAR |
672 | if (!p) { |
673 | rcode = -ENOMEM; | |
674 | goto cleanup; | |
675 | } | |
676 | ||
677 | if (actual_fibsize64 == fibsize) { | |
678 | addr = (u64)usg64->sg[i].addr[0]; | |
679 | addr += ((u64)usg64->sg[i].addr[1]) << 32; | |
680 | } else { | |
681 | addr = (u64)usg32->sg[i].addr; | |
682 | } | |
683 | ||
684 | sg_user[i] = (void __user *)(uintptr_t)addr; | |
685 | sg_list[i] = p; // save so we can clean up later | |
686 | sg_indx = i; | |
687 | ||
688 | if (flags & SRB_DataOut) { | |
689 | if (copy_from_user(p, sg_user[i], | |
690 | sg_count[i])) { | |
691 | rcode = -EFAULT; | |
692 | goto cleanup; | |
693 | } | |
694 | } | |
695 | addr = pci_map_single(dev->pdev, p, sg_count[i], | |
696 | data_dir); | |
697 | hbacmd->sge[i].addr_hi = cpu_to_le32((u32)(addr>>32)); | |
698 | hbacmd->sge[i].addr_lo = cpu_to_le32( | |
699 | (u32)(addr & 0xffffffff)); | |
700 | hbacmd->sge[i].len = cpu_to_le32(sg_count[i]); | |
701 | hbacmd->sge[i].flags = 0; | |
702 | byte_count += sg_count[i]; | |
703 | } | |
704 | ||
705 | if (usg32->count > 0) /* embedded sglist */ | |
706 | hbacmd->sge[usg32->count-1].flags = | |
707 | cpu_to_le32(0x40000000); | |
708 | hbacmd->data_length = cpu_to_le32(byte_count); | |
709 | ||
710 | status = aac_hba_send(HBA_IU_TYPE_SCSI_CMD_REQ, srbfib, | |
711 | NULL, NULL); | |
712 | ||
713 | } else if (dev->adapter_info.options & AAC_OPT_SGMAP_HOST64) { | |
56b58712 | 714 | struct user_sgmap64* upsg = (struct user_sgmap64*)&user_srbcmd->sg; |
84e29308 | 715 | struct sgmap64* psg = (struct sgmap64*)&srbcmd->sg; |
1da177e4 LT |
716 | |
717 | /* | |
718 | * This should also catch if user used the 32 bit sgmap | |
719 | */ | |
f2b1a06a MH |
720 | if (actual_fibsize64 == fibsize) { |
721 | actual_fibsize = actual_fibsize64; | |
722 | for (i = 0; i < upsg->count; i++) { | |
723 | u64 addr; | |
724 | void* p; | |
423400e6 RAR |
725 | |
726 | sg_count[i] = upsg->sg[i].count; | |
727 | if (sg_count[i] > | |
cacb6dc3 | 728 | ((dev->adapter_info.options & |
09050715 MS |
729 | AAC_OPT_NEW_COMM) ? |
730 | (dev->scsi_host_ptr->max_sectors << 9) : | |
cacb6dc3 | 731 | 65536)) { |
09050715 MS |
732 | rcode = -EINVAL; |
733 | goto cleanup; | |
734 | } | |
c831a4a0 RAR |
735 | |
736 | p = kmalloc(sg_count[i], GFP_KERNEL); | |
6dcd4a7f | 737 | if(!p) { |
f2b1a06a | 738 | dprintk((KERN_DEBUG"aacraid: Could not allocate SG buffer - size = %d buffer number %d of %d\n", |
423400e6 | 739 | sg_count[i], i, upsg->count)); |
f2b1a06a MH |
740 | rcode = -ENOMEM; |
741 | goto cleanup; | |
742 | } | |
743 | addr = (u64)upsg->sg[i].addr[0]; | |
744 | addr += ((u64)upsg->sg[i].addr[1]) << 32; | |
142956af | 745 | sg_user[i] = (void __user *)(uintptr_t)addr; |
f2b1a06a MH |
746 | sg_list[i] = p; // save so we can clean up later |
747 | sg_indx = i; | |
748 | ||
8ce3eca4 | 749 | if (flags & SRB_DataOut) { |
423400e6 RAR |
750 | if (copy_from_user(p, sg_user[i], |
751 | sg_count[i])){ | |
f2b1a06a MH |
752 | dprintk((KERN_DEBUG"aacraid: Could not copy sg data from user\n")); |
753 | rcode = -EFAULT; | |
754 | goto cleanup; | |
755 | } | |
756 | } | |
423400e6 RAR |
757 | addr = pci_map_single(dev->pdev, p, |
758 | sg_count[i], data_dir); | |
1da177e4 | 759 | |
f2b1a06a MH |
760 | psg->sg[i].addr[0] = cpu_to_le32(addr & 0xffffffff); |
761 | psg->sg[i].addr[1] = cpu_to_le32(addr>>32); | |
423400e6 RAR |
762 | byte_count += sg_count[i]; |
763 | psg->sg[i].count = cpu_to_le32(sg_count[i]); | |
f2b1a06a MH |
764 | } |
765 | } else { | |
766 | struct user_sgmap* usg; | |
22e9f5a6 MFW |
767 | usg = kmemdup(upsg, |
768 | actual_fibsize - sizeof(struct aac_srb) | |
769 | + sizeof(struct sgmap), GFP_KERNEL); | |
f2b1a06a MH |
770 | if (!usg) { |
771 | dprintk((KERN_DEBUG"aacraid: Allocation error in Raw SRB command\n")); | |
1da177e4 LT |
772 | rcode = -ENOMEM; |
773 | goto cleanup; | |
774 | } | |
f2b1a06a MH |
775 | actual_fibsize = actual_fibsize64; |
776 | ||
777 | for (i = 0; i < usg->count; i++) { | |
778 | u64 addr; | |
779 | void* p; | |
423400e6 RAR |
780 | |
781 | sg_count[i] = usg->sg[i].count; | |
782 | if (sg_count[i] > | |
cacb6dc3 | 783 | ((dev->adapter_info.options & |
09050715 MS |
784 | AAC_OPT_NEW_COMM) ? |
785 | (dev->scsi_host_ptr->max_sectors << 9) : | |
cacb6dc3 | 786 | 65536)) { |
7dd72f51 | 787 | kfree(usg); |
09050715 MS |
788 | rcode = -EINVAL; |
789 | goto cleanup; | |
790 | } | |
c831a4a0 RAR |
791 | |
792 | p = kmalloc(sg_count[i], GFP_KERNEL); | |
6dcd4a7f | 793 | if(!p) { |
8a52da63 | 794 | dprintk((KERN_DEBUG "aacraid: Could not allocate SG buffer - size = %d buffer number %d of %d\n", |
423400e6 | 795 | sg_count[i], i, usg->count)); |
8a52da63 | 796 | kfree(usg); |
f2b1a06a | 797 | rcode = -ENOMEM; |
1da177e4 LT |
798 | goto cleanup; |
799 | } | |
142956af | 800 | sg_user[i] = (void __user *)(uintptr_t)usg->sg[i].addr; |
f2b1a06a MH |
801 | sg_list[i] = p; // save so we can clean up later |
802 | sg_indx = i; | |
803 | ||
8ce3eca4 | 804 | if (flags & SRB_DataOut) { |
423400e6 RAR |
805 | if (copy_from_user(p, sg_user[i], |
806 | sg_count[i])) { | |
f2b1a06a MH |
807 | kfree (usg); |
808 | dprintk((KERN_DEBUG"aacraid: Could not copy sg data from user\n")); | |
809 | rcode = -EFAULT; | |
810 | goto cleanup; | |
811 | } | |
812 | } | |
423400e6 RAR |
813 | addr = pci_map_single(dev->pdev, p, |
814 | sg_count[i], data_dir); | |
1da177e4 | 815 | |
f2b1a06a MH |
816 | psg->sg[i].addr[0] = cpu_to_le32(addr & 0xffffffff); |
817 | psg->sg[i].addr[1] = cpu_to_le32(addr>>32); | |
423400e6 RAR |
818 | byte_count += sg_count[i]; |
819 | psg->sg[i].count = cpu_to_le32(sg_count[i]); | |
f2b1a06a MH |
820 | } |
821 | kfree (usg); | |
1da177e4 | 822 | } |
1da177e4 | 823 | srbcmd->count = cpu_to_le32(byte_count); |
2f5d1f79 MR |
824 | if (user_srbcmd->sg.count) |
825 | psg->count = cpu_to_le32(sg_indx+1); | |
826 | else | |
827 | psg->count = 0; | |
bfb35aa8 | 828 | status = aac_fib_send(ScsiPortCommand64, srbfib, actual_fibsize, FsaNormal, 1, 1,NULL,NULL); |
1da177e4 | 829 | } else { |
56b58712 | 830 | struct user_sgmap* upsg = &user_srbcmd->sg; |
1da177e4 | 831 | struct sgmap* psg = &srbcmd->sg; |
f2b1a06a MH |
832 | |
833 | if (actual_fibsize64 == fibsize) { | |
834 | struct user_sgmap64* usg = (struct user_sgmap64 *)upsg; | |
835 | for (i = 0; i < upsg->count; i++) { | |
142956af | 836 | uintptr_t addr; |
f2b1a06a | 837 | void* p; |
423400e6 RAR |
838 | |
839 | sg_count[i] = usg->sg[i].count; | |
840 | if (sg_count[i] > | |
cacb6dc3 | 841 | ((dev->adapter_info.options & |
09050715 MS |
842 | AAC_OPT_NEW_COMM) ? |
843 | (dev->scsi_host_ptr->max_sectors << 9) : | |
cacb6dc3 | 844 | 65536)) { |
09050715 MS |
845 | rcode = -EINVAL; |
846 | goto cleanup; | |
847 | } | |
c831a4a0 | 848 | p = kmalloc(sg_count[i], GFP_KERNEL|GFP_DMA32); |
423400e6 | 849 | if (!p) { |
f2b1a06a | 850 | dprintk((KERN_DEBUG"aacraid: Could not allocate SG buffer - size = %d buffer number %d of %d\n", |
423400e6 | 851 | sg_count[i], i, usg->count)); |
f2b1a06a | 852 | rcode = -ENOMEM; |
1da177e4 LT |
853 | goto cleanup; |
854 | } | |
f2b1a06a MH |
855 | addr = (u64)usg->sg[i].addr[0]; |
856 | addr += ((u64)usg->sg[i].addr[1]) << 32; | |
142956af | 857 | sg_user[i] = (void __user *)addr; |
f2b1a06a MH |
858 | sg_list[i] = p; // save so we can clean up later |
859 | sg_indx = i; | |
860 | ||
8ce3eca4 | 861 | if (flags & SRB_DataOut) { |
423400e6 RAR |
862 | if (copy_from_user(p, sg_user[i], |
863 | sg_count[i])){ | |
f2b1a06a MH |
864 | dprintk((KERN_DEBUG"aacraid: Could not copy sg data from user\n")); |
865 | rcode = -EFAULT; | |
866 | goto cleanup; | |
867 | } | |
868 | } | |
869 | addr = pci_map_single(dev->pdev, p, usg->sg[i].count, data_dir); | |
870 | ||
871 | psg->sg[i].addr = cpu_to_le32(addr & 0xffffffff); | |
872 | byte_count += usg->sg[i].count; | |
423400e6 | 873 | psg->sg[i].count = cpu_to_le32(sg_count[i]); |
1da177e4 | 874 | } |
f2b1a06a MH |
875 | } else { |
876 | for (i = 0; i < upsg->count; i++) { | |
877 | dma_addr_t addr; | |
878 | void* p; | |
423400e6 RAR |
879 | |
880 | sg_count[i] = upsg->sg[i].count; | |
881 | if (sg_count[i] > | |
cacb6dc3 | 882 | ((dev->adapter_info.options & |
09050715 MS |
883 | AAC_OPT_NEW_COMM) ? |
884 | (dev->scsi_host_ptr->max_sectors << 9) : | |
cacb6dc3 | 885 | 65536)) { |
09050715 MS |
886 | rcode = -EINVAL; |
887 | goto cleanup; | |
888 | } | |
c831a4a0 | 889 | p = kmalloc(sg_count[i], GFP_KERNEL|GFP_DMA32); |
6dcd4a7f | 890 | if (!p) { |
f2b1a06a | 891 | dprintk((KERN_DEBUG"aacraid: Could not allocate SG buffer - size = %d buffer number %d of %d\n", |
423400e6 | 892 | sg_count[i], i, upsg->count)); |
f2b1a06a MH |
893 | rcode = -ENOMEM; |
894 | goto cleanup; | |
895 | } | |
142956af | 896 | sg_user[i] = (void __user *)(uintptr_t)upsg->sg[i].addr; |
f2b1a06a MH |
897 | sg_list[i] = p; // save so we can clean up later |
898 | sg_indx = i; | |
899 | ||
8ce3eca4 | 900 | if (flags & SRB_DataOut) { |
423400e6 RAR |
901 | if (copy_from_user(p, sg_user[i], |
902 | sg_count[i])) { | |
f2b1a06a MH |
903 | dprintk((KERN_DEBUG"aacraid: Could not copy sg data from user\n")); |
904 | rcode = -EFAULT; | |
905 | goto cleanup; | |
906 | } | |
907 | } | |
908 | addr = pci_map_single(dev->pdev, p, | |
423400e6 | 909 | sg_count[i], data_dir); |
1da177e4 | 910 | |
f2b1a06a | 911 | psg->sg[i].addr = cpu_to_le32(addr); |
423400e6 RAR |
912 | byte_count += sg_count[i]; |
913 | psg->sg[i].count = cpu_to_le32(sg_count[i]); | |
f2b1a06a | 914 | } |
1da177e4 LT |
915 | } |
916 | srbcmd->count = cpu_to_le32(byte_count); | |
2f5d1f79 MR |
917 | if (user_srbcmd->sg.count) |
918 | psg->count = cpu_to_le32(sg_indx+1); | |
919 | else | |
920 | psg->count = 0; | |
bfb35aa8 | 921 | status = aac_fib_send(ScsiPortCommand, srbfib, actual_fibsize, FsaNormal, 1, 1, NULL, NULL); |
1da177e4 | 922 | } |
423400e6 | 923 | |
cacb6dc3 PNRCEH |
924 | if (status == -ERESTARTSYS) { |
925 | rcode = -ERESTARTSYS; | |
c8f7b073 MH |
926 | goto cleanup; |
927 | } | |
1da177e4 | 928 | |
423400e6 | 929 | if (status != 0) { |
8ce3eca4 | 930 | dprintk((KERN_DEBUG"aacraid: Could not send raw srb fib to hba\n")); |
5d497cec | 931 | rcode = -ENXIO; |
1da177e4 LT |
932 | goto cleanup; |
933 | } | |
934 | ||
8ce3eca4 | 935 | if (flags & SRB_DataIn) { |
1da177e4 | 936 | for(i = 0 ; i <= sg_indx; i++){ |
423400e6 | 937 | if (copy_to_user(sg_user[i], sg_list[i], sg_count[i])) { |
8ce3eca4 | 938 | dprintk((KERN_DEBUG"aacraid: Could not copy sg data to user\n")); |
1da177e4 LT |
939 | rcode = -EFAULT; |
940 | goto cleanup; | |
941 | ||
942 | } | |
943 | } | |
944 | } | |
945 | ||
423400e6 RAR |
946 | user_reply = arg + fibsize; |
947 | if (is_native_device) { | |
948 | struct aac_hba_resp *err = | |
949 | &((struct aac_native_hba *)srbfib->hw_fib_va)->resp.err; | |
950 | struct aac_srb_reply reply; | |
951 | ||
342ffc26 | 952 | memset(&reply, 0, sizeof(reply)); |
423400e6 RAR |
953 | reply.status = ST_OK; |
954 | if (srbfib->flags & FIB_CONTEXT_FLAG_FASTRESP) { | |
955 | /* fast response */ | |
956 | reply.srb_status = SRB_STATUS_SUCCESS; | |
957 | reply.scsi_status = 0; | |
958 | reply.data_xfer_length = byte_count; | |
5cc973f0 CIK |
959 | reply.sense_data_size = 0; |
960 | memset(reply.sense_data, 0, AAC_SENSE_BUFFERSIZE); | |
423400e6 RAR |
961 | } else { |
962 | reply.srb_status = err->service_response; | |
963 | reply.scsi_status = err->status; | |
964 | reply.data_xfer_length = byte_count - | |
965 | le32_to_cpu(err->residual_count); | |
966 | reply.sense_data_size = err->sense_response_data_len; | |
967 | memcpy(reply.sense_data, err->sense_response_buf, | |
968 | AAC_SENSE_BUFFERSIZE); | |
969 | } | |
970 | if (copy_to_user(user_reply, &reply, | |
971 | sizeof(struct aac_srb_reply))) { | |
972 | dprintk((KERN_DEBUG"aacraid: Copy to user failed\n")); | |
973 | rcode = -EFAULT; | |
974 | goto cleanup; | |
975 | } | |
976 | } else { | |
977 | struct aac_srb_reply *reply; | |
978 | ||
979 | reply = (struct aac_srb_reply *) fib_data(srbfib); | |
980 | if (copy_to_user(user_reply, reply, | |
981 | sizeof(struct aac_srb_reply))) { | |
982 | dprintk((KERN_DEBUG"aacraid: Copy to user failed\n")); | |
983 | rcode = -EFAULT; | |
984 | goto cleanup; | |
985 | } | |
1da177e4 LT |
986 | } |
987 | ||
988 | cleanup: | |
56b58712 | 989 | kfree(user_srbcmd); |
cacb6dc3 | 990 | if (rcode != -ERESTARTSYS) { |
423400e6 RAR |
991 | for (i = 0; i <= sg_indx; i++) |
992 | kfree(sg_list[i]); | |
c8f7b073 MH |
993 | aac_fib_complete(srbfib); |
994 | aac_fib_free(srbfib); | |
995 | } | |
1da177e4 LT |
996 | |
997 | return rcode; | |
998 | } | |
999 | ||
1da177e4 | 1000 | struct aac_pci_info { |
8ce3eca4 SM |
1001 | u32 bus; |
1002 | u32 slot; | |
1da177e4 LT |
1003 | }; |
1004 | ||
1005 | ||
4833869e | 1006 | static int aac_get_pci_info(struct aac_dev* dev, void __user *arg) |
1da177e4 | 1007 | { |
8ce3eca4 | 1008 | struct aac_pci_info pci_info; |
1da177e4 LT |
1009 | |
1010 | pci_info.bus = dev->pdev->bus->number; | |
1011 | pci_info.slot = PCI_SLOT(dev->pdev->devfn); | |
1012 | ||
5234e25c SM |
1013 | if (copy_to_user(arg, &pci_info, sizeof(struct aac_pci_info))) { |
1014 | dprintk((KERN_DEBUG "aacraid: Could not copy pci info\n")); | |
1015 | return -EFAULT; | |
1da177e4 | 1016 | } |
8ce3eca4 | 1017 | return 0; |
7c00ffa3 | 1018 | } |
c799d519 RAR |
1019 | |
1020 | static int aac_get_hba_info(struct aac_dev *dev, void __user *arg) | |
1021 | { | |
1022 | struct aac_hba_info hbainfo; | |
1023 | ||
342ffc26 | 1024 | memset(&hbainfo, 0, sizeof(hbainfo)); |
c799d519 RAR |
1025 | hbainfo.adapter_number = (u8) dev->id; |
1026 | hbainfo.system_io_bus_number = dev->pdev->bus->number; | |
1027 | hbainfo.device_number = (dev->pdev->devfn >> 3); | |
1028 | hbainfo.function_number = (dev->pdev->devfn & 0x0007); | |
1029 | ||
1030 | hbainfo.vendor_id = dev->pdev->vendor; | |
1031 | hbainfo.device_id = dev->pdev->device; | |
1032 | hbainfo.sub_vendor_id = dev->pdev->subsystem_vendor; | |
1033 | hbainfo.sub_system_id = dev->pdev->subsystem_device; | |
1034 | ||
1035 | if (copy_to_user(arg, &hbainfo, sizeof(struct aac_hba_info))) { | |
1036 | dprintk((KERN_DEBUG "aacraid: Could not copy hba info\n")); | |
1037 | return -EFAULT; | |
1038 | } | |
1039 | ||
1040 | return 0; | |
1041 | } | |
1042 | ||
09867a0e RAR |
1043 | struct aac_reset_iop { |
1044 | u8 reset_type; | |
1045 | }; | |
1046 | ||
1047 | static int aac_send_reset_adapter(struct aac_dev *dev, void __user *arg) | |
1048 | { | |
1049 | struct aac_reset_iop reset; | |
1050 | int retval; | |
8ce3eca4 | 1051 | |
09867a0e RAR |
1052 | if (copy_from_user((void *)&reset, arg, sizeof(struct aac_reset_iop))) |
1053 | return -EFAULT; | |
1054 | ||
1055 | retval = aac_reset_adapter(dev, 0, reset.reset_type); | |
1056 | return retval; | |
1057 | ||
1058 | } | |
1da177e4 LT |
1059 | |
1060 | int aac_do_ioctl(struct aac_dev * dev, int cmd, void __user *arg) | |
1061 | { | |
1062 | int status; | |
8ce3eca4 | 1063 | |
222a9fb3 RAR |
1064 | mutex_lock(&dev->ioctl_mutex); |
1065 | ||
fbd18598 RAR |
1066 | if (dev->adapter_shutdown) { |
1067 | status = -EACCES; | |
1068 | goto cleanup; | |
1069 | } | |
1070 | ||
1da177e4 LT |
1071 | /* |
1072 | * HBA gets first crack | |
1073 | */ | |
8ce3eca4 | 1074 | |
1da177e4 | 1075 | status = aac_dev_ioctl(dev, cmd, arg); |
cacb6dc3 | 1076 | if (status != -ENOTTY) |
222a9fb3 | 1077 | goto cleanup; |
1da177e4 LT |
1078 | |
1079 | switch (cmd) { | |
1080 | case FSACTL_MINIPORT_REV_CHECK: | |
1081 | status = check_revision(dev, arg); | |
1082 | break; | |
7c00ffa3 | 1083 | case FSACTL_SEND_LARGE_FIB: |
1da177e4 LT |
1084 | case FSACTL_SENDFIB: |
1085 | status = ioctl_send_fib(dev, arg); | |
1086 | break; | |
1087 | case FSACTL_OPEN_GET_ADAPTER_FIB: | |
1088 | status = open_getadapter_fib(dev, arg); | |
1089 | break; | |
1090 | case FSACTL_GET_NEXT_ADAPTER_FIB: | |
1091 | status = next_getadapter_fib(dev, arg); | |
1092 | break; | |
1093 | case FSACTL_CLOSE_GET_ADAPTER_FIB: | |
1094 | status = close_getadapter_fib(dev, arg); | |
1095 | break; | |
1096 | case FSACTL_SEND_RAW_SRB: | |
1097 | status = aac_send_raw_srb(dev,arg); | |
1098 | break; | |
1099 | case FSACTL_GET_PCI_INFO: | |
1100 | status = aac_get_pci_info(dev,arg); | |
1101 | break; | |
c799d519 RAR |
1102 | case FSACTL_GET_HBA_INFO: |
1103 | status = aac_get_hba_info(dev, arg); | |
1104 | break; | |
09867a0e RAR |
1105 | case FSACTL_RESET_IOP: |
1106 | status = aac_send_reset_adapter(dev, arg); | |
1107 | break; | |
1108 | ||
1da177e4 LT |
1109 | default: |
1110 | status = -ENOTTY; | |
8ce3eca4 | 1111 | break; |
1da177e4 | 1112 | } |
222a9fb3 RAR |
1113 | |
1114 | cleanup: | |
1115 | mutex_unlock(&dev->ioctl_mutex); | |
1116 | ||
1da177e4 LT |
1117 | return status; |
1118 | } | |
1119 |