Commit | Line | Data |
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c82ee6d3 | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
1da177e4 LT |
2 | /* |
3 | * Adaptec AAC series RAID controller driver | |
fa195afe | 4 | * (c) Copyright 2001 Red Hat Inc. |
1da177e4 LT |
5 | * |
6 | * based on the old aacraid driver that is.. | |
7 | * Adaptec aacraid device driver for Linux. | |
8 | * | |
e8b12f0f | 9 | * Copyright (c) 2000-2010 Adaptec, Inc. |
f4babba0 RAR |
10 | * 2010-2015 PMC-Sierra, Inc. (aacraid@pmc-sierra.com) |
11 | * 2016-2017 Microsemi Corp. (aacraid@microsemi.com) | |
1da177e4 | 12 | * |
1da177e4 LT |
13 | * Module Name: |
14 | * commctrl.c | |
15 | * | |
16 | * Abstract: Contains all routines for control of the AFA comm layer | |
1da177e4 LT |
17 | */ |
18 | ||
19 | #include <linux/kernel.h> | |
20 | #include <linux/init.h> | |
21 | #include <linux/types.h> | |
1da177e4 LT |
22 | #include <linux/pci.h> |
23 | #include <linux/spinlock.h> | |
24 | #include <linux/slab.h> | |
25 | #include <linux/completion.h> | |
26 | #include <linux/dma-mapping.h> | |
27 | #include <linux/blkdev.h> | |
c8f7b073 | 28 | #include <linux/delay.h> /* ssleep prototype */ |
dc4adbf4 | 29 | #include <linux/kthread.h> |
7c0f6ba6 | 30 | #include <linux/uaccess.h> |
09050715 | 31 | #include <scsi/scsi_host.h> |
1da177e4 LT |
32 | |
33 | #include "aacraid.h" | |
34 | ||
35 | /** | |
36 | * ioctl_send_fib - send a FIB from userspace | |
37 | * @dev: adapter is being processed | |
38 | * @arg: arguments to the ioctl call | |
8ce3eca4 | 39 | * |
1da177e4 LT |
40 | * This routine sends a fib to the adapter on behalf of a user level |
41 | * program. | |
42 | */ | |
7c00ffa3 MH |
43 | # define AAC_DEBUG_PREAMBLE KERN_INFO |
44 | # define AAC_DEBUG_POSTAMBLE | |
8ce3eca4 | 45 | |
1da177e4 LT |
46 | static int ioctl_send_fib(struct aac_dev * dev, void __user *arg) |
47 | { | |
48 | struct hw_fib * kfib; | |
49 | struct fib *fibptr; | |
7c00ffa3 MH |
50 | struct hw_fib * hw_fib = (struct hw_fib *)0; |
51 | dma_addr_t hw_fib_pa = (dma_addr_t)0LL; | |
fa00c437 | 52 | unsigned int size, osize; |
7c00ffa3 | 53 | int retval; |
1da177e4 | 54 | |
33bb3b29 MH |
55 | if (dev->in_reset) { |
56 | return -EBUSY; | |
57 | } | |
bfb35aa8 | 58 | fibptr = aac_fib_alloc(dev); |
7c00ffa3 | 59 | if(fibptr == NULL) { |
1da177e4 | 60 | return -ENOMEM; |
7c00ffa3 | 61 | } |
8ce3eca4 | 62 | |
a8166a52 | 63 | kfib = fibptr->hw_fib_va; |
1da177e4 LT |
64 | /* |
65 | * First copy in the header so that we can check the size field. | |
66 | */ | |
67 | if (copy_from_user((void *)kfib, arg, sizeof(struct aac_fibhdr))) { | |
bfb35aa8 | 68 | aac_fib_free(fibptr); |
1da177e4 LT |
69 | return -EFAULT; |
70 | } | |
71 | /* | |
72 | * Since we copy based on the fib header size, make sure that we | |
73 | * will not overrun the buffer when we copy the memory. Return | |
74 | * an error if we would. | |
75 | */ | |
fa00c437 DC |
76 | osize = size = le16_to_cpu(kfib->header.Size) + |
77 | sizeof(struct aac_fibhdr); | |
7c00ffa3 MH |
78 | if (size < le16_to_cpu(kfib->header.SenderSize)) |
79 | size = le16_to_cpu(kfib->header.SenderSize); | |
80 | if (size > dev->max_fib_size) { | |
e9899113 FT |
81 | dma_addr_t daddr; |
82 | ||
6e289a90 MH |
83 | if (size > 2048) { |
84 | retval = -EINVAL; | |
85 | goto cleanup; | |
86 | } | |
e9899113 | 87 | |
f481973d MR |
88 | kfib = dma_alloc_coherent(&dev->pdev->dev, size, &daddr, |
89 | GFP_KERNEL); | |
e9899113 FT |
90 | if (!kfib) { |
91 | retval = -ENOMEM; | |
92 | goto cleanup; | |
93 | } | |
94 | ||
7c00ffa3 | 95 | /* Highjack the hw_fib */ |
a8166a52 | 96 | hw_fib = fibptr->hw_fib_va; |
7c00ffa3 | 97 | hw_fib_pa = fibptr->hw_fib_pa; |
e9899113 FT |
98 | fibptr->hw_fib_va = kfib; |
99 | fibptr->hw_fib_pa = daddr; | |
7c00ffa3 MH |
100 | memset(((char *)kfib) + dev->max_fib_size, 0, size - dev->max_fib_size); |
101 | memcpy(kfib, hw_fib, dev->max_fib_size); | |
1da177e4 LT |
102 | } |
103 | ||
7c00ffa3 MH |
104 | if (copy_from_user(kfib, arg, size)) { |
105 | retval = -EFAULT; | |
106 | goto cleanup; | |
1da177e4 LT |
107 | } |
108 | ||
fa00c437 DC |
109 | /* Sanity check the second copy */ |
110 | if ((osize != le16_to_cpu(kfib->header.Size) + | |
111 | sizeof(struct aac_fibhdr)) | |
112 | || (size < le16_to_cpu(kfib->header.SenderSize))) { | |
113 | retval = -EINVAL; | |
114 | goto cleanup; | |
115 | } | |
116 | ||
56b58712 | 117 | if (kfib->header.Command == cpu_to_le16(TakeABreakPt)) { |
1da177e4 LT |
118 | aac_adapter_interrupt(dev); |
119 | /* | |
8ce3eca4 | 120 | * Since we didn't really send a fib, zero out the state to allow |
1da177e4 LT |
121 | * cleanup code not to assert. |
122 | */ | |
123 | kfib->header.XferState = 0; | |
124 | } else { | |
bfb35aa8 | 125 | retval = aac_fib_send(le16_to_cpu(kfib->header.Command), fibptr, |
1da177e4 LT |
126 | le16_to_cpu(kfib->header.Size) , FsaNormal, |
127 | 1, 1, NULL, NULL); | |
128 | if (retval) { | |
7c00ffa3 | 129 | goto cleanup; |
1da177e4 | 130 | } |
bfb35aa8 | 131 | if (aac_fib_complete(fibptr) != 0) { |
7c00ffa3 MH |
132 | retval = -EINVAL; |
133 | goto cleanup; | |
1da177e4 LT |
134 | } |
135 | } | |
136 | /* | |
137 | * Make sure that the size returned by the adapter (which includes | |
138 | * the header) is less than or equal to the size of a fib, so we | |
139 | * don't corrupt application data. Then copy that size to the user | |
140 | * buffer. (Don't try to add the header information again, since it | |
141 | * was already included by the adapter.) | |
142 | */ | |
143 | ||
7c00ffa3 MH |
144 | retval = 0; |
145 | if (copy_to_user(arg, (void *)kfib, size)) | |
146 | retval = -EFAULT; | |
147 | cleanup: | |
148 | if (hw_fib) { | |
f481973d MR |
149 | dma_free_coherent(&dev->pdev->dev, size, kfib, |
150 | fibptr->hw_fib_pa); | |
7c00ffa3 | 151 | fibptr->hw_fib_pa = hw_fib_pa; |
a8166a52 | 152 | fibptr->hw_fib_va = hw_fib; |
1da177e4 | 153 | } |
cacb6dc3 | 154 | if (retval != -ERESTARTSYS) |
c8f7b073 | 155 | aac_fib_free(fibptr); |
7c00ffa3 | 156 | return retval; |
1da177e4 LT |
157 | } |
158 | ||
159 | /** | |
160 | * open_getadapter_fib - Get the next fib | |
161 | * | |
162 | * This routine will get the next Fib, if available, from the AdapterFibContext | |
163 | * passed in from the user. | |
164 | */ | |
165 | ||
166 | static int open_getadapter_fib(struct aac_dev * dev, void __user *arg) | |
167 | { | |
168 | struct aac_fib_context * fibctx; | |
169 | int status; | |
170 | ||
171 | fibctx = kmalloc(sizeof(struct aac_fib_context), GFP_KERNEL); | |
172 | if (fibctx == NULL) { | |
173 | status = -ENOMEM; | |
174 | } else { | |
175 | unsigned long flags; | |
176 | struct list_head * entry; | |
177 | struct aac_fib_context * context; | |
178 | ||
179 | fibctx->type = FSAFS_NTC_GET_ADAPTER_FIB_CONTEXT; | |
180 | fibctx->size = sizeof(struct aac_fib_context); | |
8ce3eca4 | 181 | /* |
1da177e4 LT |
182 | * Yes yes, I know this could be an index, but we have a |
183 | * better guarantee of uniqueness for the locked loop below. | |
184 | * Without the aid of a persistent history, this also helps | |
185 | * reduce the chance that the opaque context would be reused. | |
186 | */ | |
187 | fibctx->unique = (u32)((ulong)fibctx & 0xFFFFFFFF); | |
188 | /* | |
189 | * Initialize the mutex used to wait for the next AIF. | |
190 | */ | |
dc71eccc | 191 | init_completion(&fibctx->completion); |
1da177e4 LT |
192 | fibctx->wait = 0; |
193 | /* | |
194 | * Initialize the fibs and set the count of fibs on | |
195 | * the list to 0. | |
196 | */ | |
197 | fibctx->count = 0; | |
198 | INIT_LIST_HEAD(&fibctx->fib_list); | |
199 | fibctx->jiffies = jiffies/HZ; | |
200 | /* | |
8ce3eca4 | 201 | * Now add this context onto the adapter's |
1da177e4 LT |
202 | * AdapterFibContext list. |
203 | */ | |
204 | spin_lock_irqsave(&dev->fib_lock, flags); | |
205 | /* Ensure that we have a unique identifier */ | |
206 | entry = dev->fib_list.next; | |
207 | while (entry != &dev->fib_list) { | |
208 | context = list_entry(entry, struct aac_fib_context, next); | |
209 | if (context->unique == fibctx->unique) { | |
210 | /* Not unique (32 bits) */ | |
211 | fibctx->unique++; | |
212 | entry = dev->fib_list.next; | |
213 | } else { | |
214 | entry = entry->next; | |
215 | } | |
216 | } | |
217 | list_add_tail(&fibctx->next, &dev->fib_list); | |
218 | spin_unlock_irqrestore(&dev->fib_lock, flags); | |
8ce3eca4 | 219 | if (copy_to_user(arg, &fibctx->unique, |
1da177e4 LT |
220 | sizeof(fibctx->unique))) { |
221 | status = -EFAULT; | |
222 | } else { | |
223 | status = 0; | |
8ce3eca4 | 224 | } |
1da177e4 LT |
225 | } |
226 | return status; | |
227 | } | |
228 | ||
229 | /** | |
230 | * next_getadapter_fib - get the next fib | |
231 | * @dev: adapter to use | |
232 | * @arg: ioctl argument | |
8ce3eca4 SM |
233 | * |
234 | * This routine will get the next Fib, if available, from the AdapterFibContext | |
1da177e4 LT |
235 | * passed in from the user. |
236 | */ | |
237 | ||
238 | static int next_getadapter_fib(struct aac_dev * dev, void __user *arg) | |
239 | { | |
240 | struct fib_ioctl f; | |
241 | struct fib *fib; | |
242 | struct aac_fib_context *fibctx; | |
243 | int status; | |
244 | struct list_head * entry; | |
245 | unsigned long flags; | |
8ce3eca4 | 246 | |
1da177e4 LT |
247 | if(copy_from_user((void *)&f, arg, sizeof(struct fib_ioctl))) |
248 | return -EFAULT; | |
249 | /* | |
250 | * Verify that the HANDLE passed in was a valid AdapterFibContext | |
251 | * | |
252 | * Search the list of AdapterFibContext addresses on the adapter | |
253 | * to be sure this is a valid address | |
254 | */ | |
5234e25c | 255 | spin_lock_irqsave(&dev->fib_lock, flags); |
1da177e4 LT |
256 | entry = dev->fib_list.next; |
257 | fibctx = NULL; | |
258 | ||
259 | while (entry != &dev->fib_list) { | |
260 | fibctx = list_entry(entry, struct aac_fib_context, next); | |
261 | /* | |
262 | * Extract the AdapterFibContext from the Input parameters. | |
263 | */ | |
5234e25c | 264 | if (fibctx->unique == f.fibctx) { /* We found a winner */ |
1da177e4 LT |
265 | break; |
266 | } | |
267 | entry = entry->next; | |
268 | fibctx = NULL; | |
269 | } | |
270 | if (!fibctx) { | |
5234e25c | 271 | spin_unlock_irqrestore(&dev->fib_lock, flags); |
1da177e4 LT |
272 | dprintk ((KERN_INFO "Fib Context not found\n")); |
273 | return -EINVAL; | |
274 | } | |
275 | ||
276 | if((fibctx->type != FSAFS_NTC_GET_ADAPTER_FIB_CONTEXT) || | |
277 | (fibctx->size != sizeof(struct aac_fib_context))) { | |
5234e25c | 278 | spin_unlock_irqrestore(&dev->fib_lock, flags); |
1da177e4 LT |
279 | dprintk ((KERN_INFO "Fib Context corrupt?\n")); |
280 | return -EINVAL; | |
281 | } | |
282 | status = 0; | |
1da177e4 LT |
283 | /* |
284 | * If there are no fibs to send back, then either wait or return | |
285 | * -EAGAIN | |
286 | */ | |
287 | return_fib: | |
288 | if (!list_empty(&fibctx->fib_list)) { | |
1da177e4 LT |
289 | /* |
290 | * Pull the next fib from the fibs | |
291 | */ | |
292 | entry = fibctx->fib_list.next; | |
293 | list_del(entry); | |
8ce3eca4 | 294 | |
1da177e4 LT |
295 | fib = list_entry(entry, struct fib, fiblink); |
296 | fibctx->count--; | |
297 | spin_unlock_irqrestore(&dev->fib_lock, flags); | |
a8166a52 MH |
298 | if (copy_to_user(f.fib, fib->hw_fib_va, sizeof(struct hw_fib))) { |
299 | kfree(fib->hw_fib_va); | |
1da177e4 LT |
300 | kfree(fib); |
301 | return -EFAULT; | |
8ce3eca4 | 302 | } |
1da177e4 LT |
303 | /* |
304 | * Free the space occupied by this copy of the fib. | |
305 | */ | |
a8166a52 | 306 | kfree(fib->hw_fib_va); |
1da177e4 LT |
307 | kfree(fib); |
308 | status = 0; | |
1da177e4 LT |
309 | } else { |
310 | spin_unlock_irqrestore(&dev->fib_lock, flags); | |
dc4adbf4 MH |
311 | /* If someone killed the AIF aacraid thread, restart it */ |
312 | status = !dev->aif_thread; | |
8c867b25 | 313 | if (status && !dev->in_reset && dev->queues && dev->fsa_dev) { |
dc4adbf4 MH |
314 | /* Be paranoid, be very paranoid! */ |
315 | kthread_stop(dev->thread); | |
316 | ssleep(1); | |
317 | dev->aif_thread = 0; | |
f170168b KC |
318 | dev->thread = kthread_run(aac_command_thread, dev, |
319 | "%s", dev->name); | |
dc4adbf4 MH |
320 | ssleep(1); |
321 | } | |
1da177e4 | 322 | if (f.wait) { |
dc71eccc | 323 | if (wait_for_completion_interruptible(&fibctx->completion) < 0) { |
cacb6dc3 | 324 | status = -ERESTARTSYS; |
1da177e4 LT |
325 | } else { |
326 | /* Lock again and retry */ | |
327 | spin_lock_irqsave(&dev->fib_lock, flags); | |
328 | goto return_fib; | |
329 | } | |
330 | } else { | |
331 | status = -EAGAIN; | |
8ce3eca4 | 332 | } |
1da177e4 | 333 | } |
12a26d08 | 334 | fibctx->jiffies = jiffies/HZ; |
1da177e4 LT |
335 | return status; |
336 | } | |
337 | ||
338 | int aac_close_fib_context(struct aac_dev * dev, struct aac_fib_context * fibctx) | |
339 | { | |
340 | struct fib *fib; | |
341 | ||
342 | /* | |
343 | * First free any FIBs that have not been consumed. | |
344 | */ | |
345 | while (!list_empty(&fibctx->fib_list)) { | |
346 | struct list_head * entry; | |
347 | /* | |
348 | * Pull the next fib from the fibs | |
349 | */ | |
350 | entry = fibctx->fib_list.next; | |
351 | list_del(entry); | |
352 | fib = list_entry(entry, struct fib, fiblink); | |
353 | fibctx->count--; | |
354 | /* | |
355 | * Free the space occupied by this copy of the fib. | |
356 | */ | |
a8166a52 | 357 | kfree(fib->hw_fib_va); |
1da177e4 LT |
358 | kfree(fib); |
359 | } | |
360 | /* | |
361 | * Remove the Context from the AdapterFibContext List | |
362 | */ | |
363 | list_del(&fibctx->next); | |
364 | /* | |
365 | * Invalidate context | |
366 | */ | |
367 | fibctx->type = 0; | |
368 | /* | |
369 | * Free the space occupied by the Context | |
370 | */ | |
371 | kfree(fibctx); | |
372 | return 0; | |
373 | } | |
374 | ||
375 | /** | |
376 | * close_getadapter_fib - close down user fib context | |
377 | * @dev: adapter | |
378 | * @arg: ioctl arguments | |
379 | * | |
380 | * This routine will close down the fibctx passed in from the user. | |
381 | */ | |
8ce3eca4 | 382 | |
1da177e4 LT |
383 | static int close_getadapter_fib(struct aac_dev * dev, void __user *arg) |
384 | { | |
385 | struct aac_fib_context *fibctx; | |
386 | int status; | |
387 | unsigned long flags; | |
388 | struct list_head * entry; | |
389 | ||
390 | /* | |
391 | * Verify that the HANDLE passed in was a valid AdapterFibContext | |
392 | * | |
393 | * Search the list of AdapterFibContext addresses on the adapter | |
394 | * to be sure this is a valid address | |
395 | */ | |
396 | ||
397 | entry = dev->fib_list.next; | |
398 | fibctx = NULL; | |
399 | ||
400 | while(entry != &dev->fib_list) { | |
401 | fibctx = list_entry(entry, struct aac_fib_context, next); | |
402 | /* | |
403 | * Extract the fibctx from the input parameters | |
404 | */ | |
142956af | 405 | if (fibctx->unique == (u32)(uintptr_t)arg) /* We found a winner */ |
1da177e4 | 406 | break; |
1da177e4 LT |
407 | entry = entry->next; |
408 | fibctx = NULL; | |
409 | } | |
410 | ||
411 | if (!fibctx) | |
412 | return 0; /* Already gone */ | |
413 | ||
414 | if((fibctx->type != FSAFS_NTC_GET_ADAPTER_FIB_CONTEXT) || | |
415 | (fibctx->size != sizeof(struct aac_fib_context))) | |
416 | return -EINVAL; | |
417 | spin_lock_irqsave(&dev->fib_lock, flags); | |
418 | status = aac_close_fib_context(dev, fibctx); | |
419 | spin_unlock_irqrestore(&dev->fib_lock, flags); | |
420 | return status; | |
421 | } | |
422 | ||
423 | /** | |
424 | * check_revision - close down user fib context | |
425 | * @dev: adapter | |
426 | * @arg: ioctl arguments | |
427 | * | |
428 | * This routine returns the driver version. | |
5234e25c SM |
429 | * Under Linux, there have been no version incompatibilities, so this is |
430 | * simple! | |
1da177e4 LT |
431 | */ |
432 | ||
433 | static int check_revision(struct aac_dev *dev, void __user *arg) | |
434 | { | |
435 | struct revision response; | |
c7f47602 MH |
436 | char *driver_version = aac_driver_version; |
437 | u32 version; | |
438 | ||
9f30a323 | 439 | response.compat = 1; |
8ce3eca4 | 440 | version = (simple_strtol(driver_version, |
c7f47602 MH |
441 | &driver_version, 10) << 24) | 0x00000400; |
442 | version += simple_strtol(driver_version + 1, &driver_version, 10) << 16; | |
443 | version += simple_strtol(driver_version + 1, NULL, 10); | |
444 | response.version = cpu_to_le32(version); | |
8ce3eca4 | 445 | # ifdef AAC_DRIVER_BUILD |
c7f47602 MH |
446 | response.build = cpu_to_le32(AAC_DRIVER_BUILD); |
447 | # else | |
448 | response.build = cpu_to_le32(9999); | |
449 | # endif | |
1da177e4 LT |
450 | |
451 | if (copy_to_user(arg, &response, sizeof(response))) | |
452 | return -EFAULT; | |
453 | return 0; | |
454 | } | |
455 | ||
7c00ffa3 | 456 | |
1da177e4 LT |
457 | /** |
458 | * | |
459 | * aac_send_raw_scb | |
460 | * | |
461 | */ | |
462 | ||
4833869e | 463 | static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg) |
1da177e4 LT |
464 | { |
465 | struct fib* srbfib; | |
466 | int status; | |
56b58712 | 467 | struct aac_srb *srbcmd = NULL; |
423400e6 | 468 | struct aac_hba_cmd_req *hbacmd = NULL; |
56b58712 MH |
469 | struct user_aac_srb *user_srbcmd = NULL; |
470 | struct user_aac_srb __user *user_srb = arg; | |
1da177e4 | 471 | struct aac_srb_reply __user *user_reply; |
423400e6 | 472 | u32 chn; |
1da177e4 LT |
473 | u32 fibsize = 0; |
474 | u32 flags = 0; | |
475 | s32 rcode = 0; | |
476 | u32 data_dir; | |
423400e6 RAR |
477 | void __user *sg_user[HBA_MAX_SG_EMBEDDED]; |
478 | void *sg_list[HBA_MAX_SG_EMBEDDED]; | |
479 | u32 sg_count[HBA_MAX_SG_EMBEDDED]; | |
5234e25c | 480 | u32 sg_indx = 0; |
1da177e4 | 481 | u32 byte_count = 0; |
f2b1a06a | 482 | u32 actual_fibsize64, actual_fibsize = 0; |
1da177e4 | 483 | int i; |
423400e6 RAR |
484 | int is_native_device; |
485 | u64 address; | |
1da177e4 LT |
486 | |
487 | ||
33bb3b29 MH |
488 | if (dev->in_reset) { |
489 | dprintk((KERN_DEBUG"aacraid: send raw srb -EBUSY\n")); | |
490 | return -EBUSY; | |
491 | } | |
1da177e4 | 492 | if (!capable(CAP_SYS_ADMIN)){ |
8ce3eca4 | 493 | dprintk((KERN_DEBUG"aacraid: No permission to send raw srb\n")); |
1da177e4 LT |
494 | return -EPERM; |
495 | } | |
496 | /* | |
f2b1a06a | 497 | * Allocate and initialize a Fib then setup a SRB command |
1da177e4 | 498 | */ |
bfb35aa8 | 499 | if (!(srbfib = aac_fib_alloc(dev))) { |
5d497cec | 500 | return -ENOMEM; |
1da177e4 | 501 | } |
1da177e4 | 502 | |
7c00ffa3 | 503 | memset(sg_list, 0, sizeof(sg_list)); /* cleanup may take issue */ |
1da177e4 | 504 | if(copy_from_user(&fibsize, &user_srb->count,sizeof(u32))){ |
8ce3eca4 | 505 | dprintk((KERN_DEBUG"aacraid: Could not copy data size from user\n")); |
1da177e4 LT |
506 | rcode = -EFAULT; |
507 | goto cleanup; | |
508 | } | |
509 | ||
b4789b8e MR |
510 | if ((fibsize < (sizeof(struct user_aac_srb) - sizeof(struct user_sgentry))) || |
511 | (fibsize > (dev->max_fib_size - sizeof(struct aac_fibhdr)))) { | |
1da177e4 LT |
512 | rcode = -EINVAL; |
513 | goto cleanup; | |
514 | } | |
515 | ||
4645df10 | 516 | user_srbcmd = kmalloc(fibsize, GFP_KERNEL); |
7c00ffa3 MH |
517 | if (!user_srbcmd) { |
518 | dprintk((KERN_DEBUG"aacraid: Could not make a copy of the srb\n")); | |
519 | rcode = -ENOMEM; | |
520 | goto cleanup; | |
521 | } | |
56b58712 | 522 | if(copy_from_user(user_srbcmd, user_srb,fibsize)){ |
8ce3eca4 | 523 | dprintk((KERN_DEBUG"aacraid: Could not copy srb from user\n")); |
1da177e4 LT |
524 | rcode = -EFAULT; |
525 | goto cleanup; | |
526 | } | |
527 | ||
56b58712 | 528 | flags = user_srbcmd->flags; /* from user in cpu order */ |
56b58712 | 529 | switch (flags & (SRB_DataIn | SRB_DataOut)) { |
1da177e4 LT |
530 | case SRB_DataOut: |
531 | data_dir = DMA_TO_DEVICE; | |
532 | break; | |
533 | case (SRB_DataIn | SRB_DataOut): | |
534 | data_dir = DMA_BIDIRECTIONAL; | |
535 | break; | |
536 | case SRB_DataIn: | |
537 | data_dir = DMA_FROM_DEVICE; | |
538 | break; | |
539 | default: | |
540 | data_dir = DMA_NONE; | |
541 | } | |
6391a113 | 542 | if (user_srbcmd->sg.count > ARRAY_SIZE(sg_list)) { |
7c00ffa3 | 543 | dprintk((KERN_DEBUG"aacraid: too many sg entries %d\n", |
423400e6 RAR |
544 | user_srbcmd->sg.count)); |
545 | rcode = -EINVAL; | |
546 | goto cleanup; | |
547 | } | |
548 | if ((data_dir == DMA_NONE) && user_srbcmd->sg.count) { | |
549 | dprintk((KERN_DEBUG"aacraid:SG with no direction specified\n")); | |
7c00ffa3 MH |
550 | rcode = -EINVAL; |
551 | goto cleanup; | |
552 | } | |
f2b1a06a MH |
553 | actual_fibsize = sizeof(struct aac_srb) - sizeof(struct sgentry) + |
554 | ((user_srbcmd->sg.count & 0xff) * sizeof(struct sgentry)); | |
555 | actual_fibsize64 = actual_fibsize + (user_srbcmd->sg.count & 0xff) * | |
556 | (sizeof(struct sgentry64) - sizeof(struct sgentry)); | |
557 | /* User made a mistake - should not continue */ | |
558 | if ((actual_fibsize != fibsize) && (actual_fibsize64 != fibsize)) { | |
559 | dprintk((KERN_DEBUG"aacraid: Bad Size specified in " | |
560 | "Raw SRB command calculated fibsize=%lu;%lu " | |
561 | "user_srbcmd->sg.count=%d aac_srb=%lu sgentry=%lu;%lu " | |
562 | "issued fibsize=%d\n", | |
563 | actual_fibsize, actual_fibsize64, user_srbcmd->sg.count, | |
564 | sizeof(struct aac_srb), sizeof(struct sgentry), | |
565 | sizeof(struct sgentry64), fibsize)); | |
566 | rcode = -EINVAL; | |
567 | goto cleanup; | |
568 | } | |
423400e6 | 569 | |
f3ef4a74 | 570 | chn = user_srbcmd->channel; |
423400e6 RAR |
571 | if (chn < AAC_MAX_BUSES && user_srbcmd->id < AAC_MAX_TARGETS && |
572 | dev->hba_map[chn][user_srbcmd->id].devtype == | |
573 | AAC_DEVTYPE_NATIVE_RAW) { | |
574 | is_native_device = 1; | |
575 | hbacmd = (struct aac_hba_cmd_req *)srbfib->hw_fib_va; | |
576 | memset(hbacmd, 0, 96); /* sizeof(*hbacmd) is not necessary */ | |
577 | ||
578 | /* iu_type is a parameter of aac_hba_send */ | |
579 | switch (data_dir) { | |
580 | case DMA_TO_DEVICE: | |
581 | hbacmd->byte1 = 2; | |
582 | break; | |
583 | case DMA_FROM_DEVICE: | |
584 | case DMA_BIDIRECTIONAL: | |
585 | hbacmd->byte1 = 1; | |
586 | break; | |
587 | case DMA_NONE: | |
588 | default: | |
589 | break; | |
590 | } | |
591 | hbacmd->lun[1] = cpu_to_le32(user_srbcmd->lun); | |
592 | hbacmd->it_nexus = dev->hba_map[chn][user_srbcmd->id].rmw_nexus; | |
593 | ||
594 | /* | |
595 | * we fill in reply_qid later in aac_src_deliver_message | |
596 | * we fill in iu_type, request_id later in aac_hba_send | |
597 | * we fill in emb_data_desc_count, data_length later | |
598 | * in sg list build | |
599 | */ | |
600 | ||
601 | memcpy(hbacmd->cdb, user_srbcmd->cdb, sizeof(hbacmd->cdb)); | |
602 | ||
603 | address = (u64)srbfib->hw_error_pa; | |
604 | hbacmd->error_ptr_hi = cpu_to_le32((u32)(address >> 32)); | |
605 | hbacmd->error_ptr_lo = cpu_to_le32((u32)(address & 0xffffffff)); | |
606 | hbacmd->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE); | |
607 | hbacmd->emb_data_desc_count = | |
608 | cpu_to_le32(user_srbcmd->sg.count); | |
609 | srbfib->hbacmd_size = 64 + | |
610 | user_srbcmd->sg.count * sizeof(struct aac_hba_sgl); | |
611 | ||
612 | } else { | |
613 | is_native_device = 0; | |
614 | aac_fib_init(srbfib); | |
615 | ||
616 | /* raw_srb FIB is not FastResponseCapable */ | |
617 | srbfib->hw_fib_va->header.XferState &= | |
618 | ~cpu_to_le32(FastResponseCapable); | |
619 | ||
620 | srbcmd = (struct aac_srb *) fib_data(srbfib); | |
621 | ||
622 | // Fix up srb for endian and force some values | |
623 | ||
624 | srbcmd->function = cpu_to_le32(SRBF_ExecuteScsi); // Force this | |
625 | srbcmd->channel = cpu_to_le32(user_srbcmd->channel); | |
626 | srbcmd->id = cpu_to_le32(user_srbcmd->id); | |
627 | srbcmd->lun = cpu_to_le32(user_srbcmd->lun); | |
628 | srbcmd->timeout = cpu_to_le32(user_srbcmd->timeout); | |
629 | srbcmd->flags = cpu_to_le32(flags); | |
630 | srbcmd->retry_limit = 0; // Obsolete parameter | |
631 | srbcmd->cdb_size = cpu_to_le32(user_srbcmd->cdb_size); | |
632 | memcpy(srbcmd->cdb, user_srbcmd->cdb, sizeof(srbcmd->cdb)); | |
f2b1a06a | 633 | } |
423400e6 | 634 | |
f2b1a06a | 635 | byte_count = 0; |
423400e6 RAR |
636 | if (is_native_device) { |
637 | struct user_sgmap *usg32 = &user_srbcmd->sg; | |
638 | struct user_sgmap64 *usg64 = | |
639 | (struct user_sgmap64 *)&user_srbcmd->sg; | |
640 | ||
641 | for (i = 0; i < usg32->count; i++) { | |
642 | void *p; | |
643 | u64 addr; | |
644 | ||
645 | sg_count[i] = (actual_fibsize64 == fibsize) ? | |
646 | usg64->sg[i].count : usg32->sg[i].count; | |
647 | if (sg_count[i] > | |
648 | (dev->scsi_host_ptr->max_sectors << 9)) { | |
649 | pr_err("aacraid: upsg->sg[%d].count=%u>%u\n", | |
650 | i, sg_count[i], | |
651 | dev->scsi_host_ptr->max_sectors << 9); | |
652 | rcode = -EINVAL; | |
653 | goto cleanup; | |
654 | } | |
655 | ||
c831a4a0 | 656 | p = kmalloc(sg_count[i], GFP_KERNEL); |
423400e6 RAR |
657 | if (!p) { |
658 | rcode = -ENOMEM; | |
659 | goto cleanup; | |
660 | } | |
661 | ||
662 | if (actual_fibsize64 == fibsize) { | |
663 | addr = (u64)usg64->sg[i].addr[0]; | |
664 | addr += ((u64)usg64->sg[i].addr[1]) << 32; | |
665 | } else { | |
666 | addr = (u64)usg32->sg[i].addr; | |
667 | } | |
668 | ||
669 | sg_user[i] = (void __user *)(uintptr_t)addr; | |
670 | sg_list[i] = p; // save so we can clean up later | |
671 | sg_indx = i; | |
672 | ||
673 | if (flags & SRB_DataOut) { | |
674 | if (copy_from_user(p, sg_user[i], | |
675 | sg_count[i])) { | |
676 | rcode = -EFAULT; | |
677 | goto cleanup; | |
678 | } | |
679 | } | |
680 | addr = pci_map_single(dev->pdev, p, sg_count[i], | |
681 | data_dir); | |
682 | hbacmd->sge[i].addr_hi = cpu_to_le32((u32)(addr>>32)); | |
683 | hbacmd->sge[i].addr_lo = cpu_to_le32( | |
684 | (u32)(addr & 0xffffffff)); | |
685 | hbacmd->sge[i].len = cpu_to_le32(sg_count[i]); | |
686 | hbacmd->sge[i].flags = 0; | |
687 | byte_count += sg_count[i]; | |
688 | } | |
689 | ||
690 | if (usg32->count > 0) /* embedded sglist */ | |
691 | hbacmd->sge[usg32->count-1].flags = | |
692 | cpu_to_le32(0x40000000); | |
693 | hbacmd->data_length = cpu_to_le32(byte_count); | |
694 | ||
695 | status = aac_hba_send(HBA_IU_TYPE_SCSI_CMD_REQ, srbfib, | |
696 | NULL, NULL); | |
697 | ||
698 | } else if (dev->adapter_info.options & AAC_OPT_SGMAP_HOST64) { | |
56b58712 | 699 | struct user_sgmap64* upsg = (struct user_sgmap64*)&user_srbcmd->sg; |
84e29308 | 700 | struct sgmap64* psg = (struct sgmap64*)&srbcmd->sg; |
1da177e4 LT |
701 | |
702 | /* | |
703 | * This should also catch if user used the 32 bit sgmap | |
704 | */ | |
f2b1a06a MH |
705 | if (actual_fibsize64 == fibsize) { |
706 | actual_fibsize = actual_fibsize64; | |
707 | for (i = 0; i < upsg->count; i++) { | |
708 | u64 addr; | |
709 | void* p; | |
423400e6 RAR |
710 | |
711 | sg_count[i] = upsg->sg[i].count; | |
712 | if (sg_count[i] > | |
cacb6dc3 | 713 | ((dev->adapter_info.options & |
09050715 MS |
714 | AAC_OPT_NEW_COMM) ? |
715 | (dev->scsi_host_ptr->max_sectors << 9) : | |
cacb6dc3 | 716 | 65536)) { |
09050715 MS |
717 | rcode = -EINVAL; |
718 | goto cleanup; | |
719 | } | |
c831a4a0 RAR |
720 | |
721 | p = kmalloc(sg_count[i], GFP_KERNEL); | |
6dcd4a7f | 722 | if(!p) { |
f2b1a06a | 723 | dprintk((KERN_DEBUG"aacraid: Could not allocate SG buffer - size = %d buffer number %d of %d\n", |
423400e6 | 724 | sg_count[i], i, upsg->count)); |
f2b1a06a MH |
725 | rcode = -ENOMEM; |
726 | goto cleanup; | |
727 | } | |
728 | addr = (u64)upsg->sg[i].addr[0]; | |
729 | addr += ((u64)upsg->sg[i].addr[1]) << 32; | |
142956af | 730 | sg_user[i] = (void __user *)(uintptr_t)addr; |
f2b1a06a MH |
731 | sg_list[i] = p; // save so we can clean up later |
732 | sg_indx = i; | |
733 | ||
8ce3eca4 | 734 | if (flags & SRB_DataOut) { |
423400e6 RAR |
735 | if (copy_from_user(p, sg_user[i], |
736 | sg_count[i])){ | |
f2b1a06a MH |
737 | dprintk((KERN_DEBUG"aacraid: Could not copy sg data from user\n")); |
738 | rcode = -EFAULT; | |
739 | goto cleanup; | |
740 | } | |
741 | } | |
423400e6 RAR |
742 | addr = pci_map_single(dev->pdev, p, |
743 | sg_count[i], data_dir); | |
1da177e4 | 744 | |
f2b1a06a MH |
745 | psg->sg[i].addr[0] = cpu_to_le32(addr & 0xffffffff); |
746 | psg->sg[i].addr[1] = cpu_to_le32(addr>>32); | |
423400e6 RAR |
747 | byte_count += sg_count[i]; |
748 | psg->sg[i].count = cpu_to_le32(sg_count[i]); | |
f2b1a06a MH |
749 | } |
750 | } else { | |
751 | struct user_sgmap* usg; | |
22e9f5a6 MFW |
752 | usg = kmemdup(upsg, |
753 | actual_fibsize - sizeof(struct aac_srb) | |
754 | + sizeof(struct sgmap), GFP_KERNEL); | |
f2b1a06a MH |
755 | if (!usg) { |
756 | dprintk((KERN_DEBUG"aacraid: Allocation error in Raw SRB command\n")); | |
1da177e4 LT |
757 | rcode = -ENOMEM; |
758 | goto cleanup; | |
759 | } | |
f2b1a06a MH |
760 | actual_fibsize = actual_fibsize64; |
761 | ||
762 | for (i = 0; i < usg->count; i++) { | |
763 | u64 addr; | |
764 | void* p; | |
423400e6 RAR |
765 | |
766 | sg_count[i] = usg->sg[i].count; | |
767 | if (sg_count[i] > | |
cacb6dc3 | 768 | ((dev->adapter_info.options & |
09050715 MS |
769 | AAC_OPT_NEW_COMM) ? |
770 | (dev->scsi_host_ptr->max_sectors << 9) : | |
cacb6dc3 | 771 | 65536)) { |
7dd72f51 | 772 | kfree(usg); |
09050715 MS |
773 | rcode = -EINVAL; |
774 | goto cleanup; | |
775 | } | |
c831a4a0 RAR |
776 | |
777 | p = kmalloc(sg_count[i], GFP_KERNEL); | |
6dcd4a7f | 778 | if(!p) { |
8a52da63 | 779 | dprintk((KERN_DEBUG "aacraid: Could not allocate SG buffer - size = %d buffer number %d of %d\n", |
423400e6 | 780 | sg_count[i], i, usg->count)); |
8a52da63 | 781 | kfree(usg); |
f2b1a06a | 782 | rcode = -ENOMEM; |
1da177e4 LT |
783 | goto cleanup; |
784 | } | |
142956af | 785 | sg_user[i] = (void __user *)(uintptr_t)usg->sg[i].addr; |
f2b1a06a MH |
786 | sg_list[i] = p; // save so we can clean up later |
787 | sg_indx = i; | |
788 | ||
8ce3eca4 | 789 | if (flags & SRB_DataOut) { |
423400e6 RAR |
790 | if (copy_from_user(p, sg_user[i], |
791 | sg_count[i])) { | |
f2b1a06a MH |
792 | kfree (usg); |
793 | dprintk((KERN_DEBUG"aacraid: Could not copy sg data from user\n")); | |
794 | rcode = -EFAULT; | |
795 | goto cleanup; | |
796 | } | |
797 | } | |
423400e6 RAR |
798 | addr = pci_map_single(dev->pdev, p, |
799 | sg_count[i], data_dir); | |
1da177e4 | 800 | |
f2b1a06a MH |
801 | psg->sg[i].addr[0] = cpu_to_le32(addr & 0xffffffff); |
802 | psg->sg[i].addr[1] = cpu_to_le32(addr>>32); | |
423400e6 RAR |
803 | byte_count += sg_count[i]; |
804 | psg->sg[i].count = cpu_to_le32(sg_count[i]); | |
f2b1a06a MH |
805 | } |
806 | kfree (usg); | |
1da177e4 | 807 | } |
1da177e4 | 808 | srbcmd->count = cpu_to_le32(byte_count); |
2f5d1f79 MR |
809 | if (user_srbcmd->sg.count) |
810 | psg->count = cpu_to_le32(sg_indx+1); | |
811 | else | |
812 | psg->count = 0; | |
bfb35aa8 | 813 | status = aac_fib_send(ScsiPortCommand64, srbfib, actual_fibsize, FsaNormal, 1, 1,NULL,NULL); |
1da177e4 | 814 | } else { |
56b58712 | 815 | struct user_sgmap* upsg = &user_srbcmd->sg; |
1da177e4 | 816 | struct sgmap* psg = &srbcmd->sg; |
f2b1a06a MH |
817 | |
818 | if (actual_fibsize64 == fibsize) { | |
819 | struct user_sgmap64* usg = (struct user_sgmap64 *)upsg; | |
820 | for (i = 0; i < upsg->count; i++) { | |
142956af | 821 | uintptr_t addr; |
f2b1a06a | 822 | void* p; |
423400e6 RAR |
823 | |
824 | sg_count[i] = usg->sg[i].count; | |
825 | if (sg_count[i] > | |
cacb6dc3 | 826 | ((dev->adapter_info.options & |
09050715 MS |
827 | AAC_OPT_NEW_COMM) ? |
828 | (dev->scsi_host_ptr->max_sectors << 9) : | |
cacb6dc3 | 829 | 65536)) { |
09050715 MS |
830 | rcode = -EINVAL; |
831 | goto cleanup; | |
832 | } | |
a0c1c185 | 833 | p = kmalloc(sg_count[i], GFP_KERNEL); |
423400e6 | 834 | if (!p) { |
f2b1a06a | 835 | dprintk((KERN_DEBUG"aacraid: Could not allocate SG buffer - size = %d buffer number %d of %d\n", |
423400e6 | 836 | sg_count[i], i, usg->count)); |
f2b1a06a | 837 | rcode = -ENOMEM; |
1da177e4 LT |
838 | goto cleanup; |
839 | } | |
f2b1a06a MH |
840 | addr = (u64)usg->sg[i].addr[0]; |
841 | addr += ((u64)usg->sg[i].addr[1]) << 32; | |
142956af | 842 | sg_user[i] = (void __user *)addr; |
f2b1a06a MH |
843 | sg_list[i] = p; // save so we can clean up later |
844 | sg_indx = i; | |
845 | ||
8ce3eca4 | 846 | if (flags & SRB_DataOut) { |
423400e6 RAR |
847 | if (copy_from_user(p, sg_user[i], |
848 | sg_count[i])){ | |
f2b1a06a MH |
849 | dprintk((KERN_DEBUG"aacraid: Could not copy sg data from user\n")); |
850 | rcode = -EFAULT; | |
851 | goto cleanup; | |
852 | } | |
853 | } | |
854 | addr = pci_map_single(dev->pdev, p, usg->sg[i].count, data_dir); | |
855 | ||
856 | psg->sg[i].addr = cpu_to_le32(addr & 0xffffffff); | |
857 | byte_count += usg->sg[i].count; | |
423400e6 | 858 | psg->sg[i].count = cpu_to_le32(sg_count[i]); |
1da177e4 | 859 | } |
f2b1a06a MH |
860 | } else { |
861 | for (i = 0; i < upsg->count; i++) { | |
862 | dma_addr_t addr; | |
863 | void* p; | |
423400e6 RAR |
864 | |
865 | sg_count[i] = upsg->sg[i].count; | |
866 | if (sg_count[i] > | |
cacb6dc3 | 867 | ((dev->adapter_info.options & |
09050715 MS |
868 | AAC_OPT_NEW_COMM) ? |
869 | (dev->scsi_host_ptr->max_sectors << 9) : | |
cacb6dc3 | 870 | 65536)) { |
09050715 MS |
871 | rcode = -EINVAL; |
872 | goto cleanup; | |
873 | } | |
a0c1c185 | 874 | p = kmalloc(sg_count[i], GFP_KERNEL); |
6dcd4a7f | 875 | if (!p) { |
f2b1a06a | 876 | dprintk((KERN_DEBUG"aacraid: Could not allocate SG buffer - size = %d buffer number %d of %d\n", |
423400e6 | 877 | sg_count[i], i, upsg->count)); |
f2b1a06a MH |
878 | rcode = -ENOMEM; |
879 | goto cleanup; | |
880 | } | |
142956af | 881 | sg_user[i] = (void __user *)(uintptr_t)upsg->sg[i].addr; |
f2b1a06a MH |
882 | sg_list[i] = p; // save so we can clean up later |
883 | sg_indx = i; | |
884 | ||
8ce3eca4 | 885 | if (flags & SRB_DataOut) { |
423400e6 RAR |
886 | if (copy_from_user(p, sg_user[i], |
887 | sg_count[i])) { | |
f2b1a06a MH |
888 | dprintk((KERN_DEBUG"aacraid: Could not copy sg data from user\n")); |
889 | rcode = -EFAULT; | |
890 | goto cleanup; | |
891 | } | |
892 | } | |
893 | addr = pci_map_single(dev->pdev, p, | |
423400e6 | 894 | sg_count[i], data_dir); |
1da177e4 | 895 | |
f2b1a06a | 896 | psg->sg[i].addr = cpu_to_le32(addr); |
423400e6 RAR |
897 | byte_count += sg_count[i]; |
898 | psg->sg[i].count = cpu_to_le32(sg_count[i]); | |
f2b1a06a | 899 | } |
1da177e4 LT |
900 | } |
901 | srbcmd->count = cpu_to_le32(byte_count); | |
2f5d1f79 MR |
902 | if (user_srbcmd->sg.count) |
903 | psg->count = cpu_to_le32(sg_indx+1); | |
904 | else | |
905 | psg->count = 0; | |
bfb35aa8 | 906 | status = aac_fib_send(ScsiPortCommand, srbfib, actual_fibsize, FsaNormal, 1, 1, NULL, NULL); |
1da177e4 | 907 | } |
423400e6 | 908 | |
cacb6dc3 PNRCEH |
909 | if (status == -ERESTARTSYS) { |
910 | rcode = -ERESTARTSYS; | |
c8f7b073 MH |
911 | goto cleanup; |
912 | } | |
1da177e4 | 913 | |
423400e6 | 914 | if (status != 0) { |
8ce3eca4 | 915 | dprintk((KERN_DEBUG"aacraid: Could not send raw srb fib to hba\n")); |
5d497cec | 916 | rcode = -ENXIO; |
1da177e4 LT |
917 | goto cleanup; |
918 | } | |
919 | ||
8ce3eca4 | 920 | if (flags & SRB_DataIn) { |
1da177e4 | 921 | for(i = 0 ; i <= sg_indx; i++){ |
423400e6 | 922 | if (copy_to_user(sg_user[i], sg_list[i], sg_count[i])) { |
8ce3eca4 | 923 | dprintk((KERN_DEBUG"aacraid: Could not copy sg data to user\n")); |
1da177e4 LT |
924 | rcode = -EFAULT; |
925 | goto cleanup; | |
926 | ||
927 | } | |
928 | } | |
929 | } | |
930 | ||
423400e6 RAR |
931 | user_reply = arg + fibsize; |
932 | if (is_native_device) { | |
933 | struct aac_hba_resp *err = | |
934 | &((struct aac_native_hba *)srbfib->hw_fib_va)->resp.err; | |
935 | struct aac_srb_reply reply; | |
936 | ||
342ffc26 | 937 | memset(&reply, 0, sizeof(reply)); |
423400e6 RAR |
938 | reply.status = ST_OK; |
939 | if (srbfib->flags & FIB_CONTEXT_FLAG_FASTRESP) { | |
940 | /* fast response */ | |
941 | reply.srb_status = SRB_STATUS_SUCCESS; | |
942 | reply.scsi_status = 0; | |
943 | reply.data_xfer_length = byte_count; | |
5cc973f0 CIK |
944 | reply.sense_data_size = 0; |
945 | memset(reply.sense_data, 0, AAC_SENSE_BUFFERSIZE); | |
423400e6 RAR |
946 | } else { |
947 | reply.srb_status = err->service_response; | |
948 | reply.scsi_status = err->status; | |
949 | reply.data_xfer_length = byte_count - | |
950 | le32_to_cpu(err->residual_count); | |
951 | reply.sense_data_size = err->sense_response_data_len; | |
952 | memcpy(reply.sense_data, err->sense_response_buf, | |
953 | AAC_SENSE_BUFFERSIZE); | |
954 | } | |
955 | if (copy_to_user(user_reply, &reply, | |
956 | sizeof(struct aac_srb_reply))) { | |
957 | dprintk((KERN_DEBUG"aacraid: Copy to user failed\n")); | |
958 | rcode = -EFAULT; | |
959 | goto cleanup; | |
960 | } | |
961 | } else { | |
962 | struct aac_srb_reply *reply; | |
963 | ||
964 | reply = (struct aac_srb_reply *) fib_data(srbfib); | |
965 | if (copy_to_user(user_reply, reply, | |
966 | sizeof(struct aac_srb_reply))) { | |
967 | dprintk((KERN_DEBUG"aacraid: Copy to user failed\n")); | |
968 | rcode = -EFAULT; | |
969 | goto cleanup; | |
970 | } | |
1da177e4 LT |
971 | } |
972 | ||
973 | cleanup: | |
56b58712 | 974 | kfree(user_srbcmd); |
cacb6dc3 | 975 | if (rcode != -ERESTARTSYS) { |
423400e6 RAR |
976 | for (i = 0; i <= sg_indx; i++) |
977 | kfree(sg_list[i]); | |
c8f7b073 MH |
978 | aac_fib_complete(srbfib); |
979 | aac_fib_free(srbfib); | |
980 | } | |
1da177e4 LT |
981 | |
982 | return rcode; | |
983 | } | |
984 | ||
1da177e4 | 985 | struct aac_pci_info { |
8ce3eca4 SM |
986 | u32 bus; |
987 | u32 slot; | |
1da177e4 LT |
988 | }; |
989 | ||
990 | ||
4833869e | 991 | static int aac_get_pci_info(struct aac_dev* dev, void __user *arg) |
1da177e4 | 992 | { |
8ce3eca4 | 993 | struct aac_pci_info pci_info; |
1da177e4 LT |
994 | |
995 | pci_info.bus = dev->pdev->bus->number; | |
996 | pci_info.slot = PCI_SLOT(dev->pdev->devfn); | |
997 | ||
5234e25c SM |
998 | if (copy_to_user(arg, &pci_info, sizeof(struct aac_pci_info))) { |
999 | dprintk((KERN_DEBUG "aacraid: Could not copy pci info\n")); | |
1000 | return -EFAULT; | |
1da177e4 | 1001 | } |
8ce3eca4 | 1002 | return 0; |
7c00ffa3 | 1003 | } |
c799d519 RAR |
1004 | |
1005 | static int aac_get_hba_info(struct aac_dev *dev, void __user *arg) | |
1006 | { | |
1007 | struct aac_hba_info hbainfo; | |
1008 | ||
342ffc26 | 1009 | memset(&hbainfo, 0, sizeof(hbainfo)); |
c799d519 RAR |
1010 | hbainfo.adapter_number = (u8) dev->id; |
1011 | hbainfo.system_io_bus_number = dev->pdev->bus->number; | |
1012 | hbainfo.device_number = (dev->pdev->devfn >> 3); | |
1013 | hbainfo.function_number = (dev->pdev->devfn & 0x0007); | |
1014 | ||
1015 | hbainfo.vendor_id = dev->pdev->vendor; | |
1016 | hbainfo.device_id = dev->pdev->device; | |
1017 | hbainfo.sub_vendor_id = dev->pdev->subsystem_vendor; | |
1018 | hbainfo.sub_system_id = dev->pdev->subsystem_device; | |
1019 | ||
1020 | if (copy_to_user(arg, &hbainfo, sizeof(struct aac_hba_info))) { | |
1021 | dprintk((KERN_DEBUG "aacraid: Could not copy hba info\n")); | |
1022 | return -EFAULT; | |
1023 | } | |
1024 | ||
1025 | return 0; | |
1026 | } | |
1027 | ||
09867a0e RAR |
1028 | struct aac_reset_iop { |
1029 | u8 reset_type; | |
1030 | }; | |
1031 | ||
1032 | static int aac_send_reset_adapter(struct aac_dev *dev, void __user *arg) | |
1033 | { | |
1034 | struct aac_reset_iop reset; | |
1035 | int retval; | |
8ce3eca4 | 1036 | |
09867a0e RAR |
1037 | if (copy_from_user((void *)&reset, arg, sizeof(struct aac_reset_iop))) |
1038 | return -EFAULT; | |
1039 | ||
f3a23277 RAR |
1040 | dev->adapter_shutdown = 1; |
1041 | ||
1042 | mutex_unlock(&dev->ioctl_mutex); | |
09867a0e | 1043 | retval = aac_reset_adapter(dev, 0, reset.reset_type); |
f3a23277 | 1044 | mutex_lock(&dev->ioctl_mutex); |
09867a0e | 1045 | |
f3a23277 | 1046 | return retval; |
09867a0e | 1047 | } |
1da177e4 | 1048 | |
6f4e626f | 1049 | int aac_do_ioctl(struct aac_dev *dev, unsigned int cmd, void __user *arg) |
1da177e4 LT |
1050 | { |
1051 | int status; | |
8ce3eca4 | 1052 | |
222a9fb3 RAR |
1053 | mutex_lock(&dev->ioctl_mutex); |
1054 | ||
fbd18598 RAR |
1055 | if (dev->adapter_shutdown) { |
1056 | status = -EACCES; | |
1057 | goto cleanup; | |
1058 | } | |
1059 | ||
1da177e4 LT |
1060 | /* |
1061 | * HBA gets first crack | |
1062 | */ | |
8ce3eca4 | 1063 | |
1da177e4 | 1064 | status = aac_dev_ioctl(dev, cmd, arg); |
cacb6dc3 | 1065 | if (status != -ENOTTY) |
222a9fb3 | 1066 | goto cleanup; |
1da177e4 LT |
1067 | |
1068 | switch (cmd) { | |
1069 | case FSACTL_MINIPORT_REV_CHECK: | |
1070 | status = check_revision(dev, arg); | |
1071 | break; | |
7c00ffa3 | 1072 | case FSACTL_SEND_LARGE_FIB: |
1da177e4 LT |
1073 | case FSACTL_SENDFIB: |
1074 | status = ioctl_send_fib(dev, arg); | |
1075 | break; | |
1076 | case FSACTL_OPEN_GET_ADAPTER_FIB: | |
1077 | status = open_getadapter_fib(dev, arg); | |
1078 | break; | |
1079 | case FSACTL_GET_NEXT_ADAPTER_FIB: | |
1080 | status = next_getadapter_fib(dev, arg); | |
1081 | break; | |
1082 | case FSACTL_CLOSE_GET_ADAPTER_FIB: | |
1083 | status = close_getadapter_fib(dev, arg); | |
1084 | break; | |
1085 | case FSACTL_SEND_RAW_SRB: | |
1086 | status = aac_send_raw_srb(dev,arg); | |
1087 | break; | |
1088 | case FSACTL_GET_PCI_INFO: | |
1089 | status = aac_get_pci_info(dev,arg); | |
1090 | break; | |
c799d519 RAR |
1091 | case FSACTL_GET_HBA_INFO: |
1092 | status = aac_get_hba_info(dev, arg); | |
1093 | break; | |
09867a0e RAR |
1094 | case FSACTL_RESET_IOP: |
1095 | status = aac_send_reset_adapter(dev, arg); | |
1096 | break; | |
1097 | ||
1da177e4 LT |
1098 | default: |
1099 | status = -ENOTTY; | |
8ce3eca4 | 1100 | break; |
1da177e4 | 1101 | } |
222a9fb3 RAR |
1102 | |
1103 | cleanup: | |
1104 | mutex_unlock(&dev->ioctl_mutex); | |
1105 | ||
1da177e4 LT |
1106 | return status; |
1107 | } | |
1108 |