diff options
Diffstat (limited to 'arch/parisc/kernel/ioctl32.c')
-rw-r--r-- | arch/parisc/kernel/ioctl32.c | 625 |
1 files changed, 625 insertions, 0 deletions
diff --git a/arch/parisc/kernel/ioctl32.c b/arch/parisc/kernel/ioctl32.c new file mode 100644 index 000000000000..1d3824b670d1 --- /dev/null +++ b/arch/parisc/kernel/ioctl32.c | |||
@@ -0,0 +1,625 @@ | |||
1 | /* $Id: ioctl32.c,v 1.5 2002/10/18 00:21:43 varenet Exp $ | ||
2 | * ioctl32.c: Conversion between 32bit and 64bit native ioctls. | ||
3 | * | ||
4 | * Copyright (C) 1997-2000 Jakub Jelinek (jakub@redhat.com) | ||
5 | * Copyright (C) 1998 Eddie C. Dost (ecd@skynet.be) | ||
6 | * | ||
7 | * These routines maintain argument size conversion between 32bit and 64bit | ||
8 | * ioctls. | ||
9 | */ | ||
10 | |||
11 | #include <linux/syscalls.h> | ||
12 | |||
13 | #define INCLUDES | ||
14 | #include "compat_ioctl.c" | ||
15 | |||
16 | #include <asm/perf.h> | ||
17 | #include <asm/ioctls.h> | ||
18 | |||
19 | #define CODE | ||
20 | #include "compat_ioctl.c" | ||
21 | |||
22 | /* Use this to get at 32-bit user passed pointers. | ||
23 | See sys_sparc32.c for description about these. */ | ||
24 | #define A(__x) ((unsigned long)(__x)) | ||
25 | /* The same for use with copy_from_user() and copy_to_user(). */ | ||
26 | #define B(__x) ((void *)(unsigned long)(__x)) | ||
27 | |||
28 | #if defined(CONFIG_DRM) || defined(CONFIG_DRM_MODULE) | ||
29 | /* This really belongs in include/linux/drm.h -DaveM */ | ||
30 | #include "../../../drivers/char/drm/drm.h" | ||
31 | |||
32 | typedef struct drm32_version { | ||
33 | int version_major; /* Major version */ | ||
34 | int version_minor; /* Minor version */ | ||
35 | int version_patchlevel;/* Patch level */ | ||
36 | int name_len; /* Length of name buffer */ | ||
37 | u32 name; /* Name of driver */ | ||
38 | int date_len; /* Length of date buffer */ | ||
39 | u32 date; /* User-space buffer to hold date */ | ||
40 | int desc_len; /* Length of desc buffer */ | ||
41 | u32 desc; /* User-space buffer to hold desc */ | ||
42 | } drm32_version_t; | ||
43 | #define DRM32_IOCTL_VERSION DRM_IOWR(0x00, drm32_version_t) | ||
44 | |||
45 | static int drm32_version(unsigned int fd, unsigned int cmd, unsigned long arg) | ||
46 | { | ||
47 | drm32_version_t *uversion = (drm32_version_t *)arg; | ||
48 | char *name_ptr, *date_ptr, *desc_ptr; | ||
49 | u32 tmp1, tmp2, tmp3; | ||
50 | drm_version_t kversion; | ||
51 | mm_segment_t old_fs; | ||
52 | int ret; | ||
53 | |||
54 | memset(&kversion, 0, sizeof(kversion)); | ||
55 | if (get_user(kversion.name_len, &uversion->name_len) || | ||
56 | get_user(kversion.date_len, &uversion->date_len) || | ||
57 | get_user(kversion.desc_len, &uversion->desc_len) || | ||
58 | get_user(tmp1, &uversion->name) || | ||
59 | get_user(tmp2, &uversion->date) || | ||
60 | get_user(tmp3, &uversion->desc)) | ||
61 | return -EFAULT; | ||
62 | |||
63 | name_ptr = (char *) A(tmp1); | ||
64 | date_ptr = (char *) A(tmp2); | ||
65 | desc_ptr = (char *) A(tmp3); | ||
66 | |||
67 | ret = -ENOMEM; | ||
68 | if (kversion.name_len && name_ptr) { | ||
69 | kversion.name = kmalloc(kversion.name_len, GFP_KERNEL); | ||
70 | if (!kversion.name) | ||
71 | goto out; | ||
72 | } | ||
73 | if (kversion.date_len && date_ptr) { | ||
74 | kversion.date = kmalloc(kversion.date_len, GFP_KERNEL); | ||
75 | if (!kversion.date) | ||
76 | goto out; | ||
77 | } | ||
78 | if (kversion.desc_len && desc_ptr) { | ||
79 | kversion.desc = kmalloc(kversion.desc_len, GFP_KERNEL); | ||
80 | if (!kversion.desc) | ||
81 | goto out; | ||
82 | } | ||
83 | |||
84 | old_fs = get_fs(); | ||
85 | set_fs(KERNEL_DS); | ||
86 | ret = sys_ioctl (fd, DRM_IOCTL_VERSION, (unsigned long)&kversion); | ||
87 | set_fs(old_fs); | ||
88 | |||
89 | if (!ret) { | ||
90 | if ((kversion.name && | ||
91 | copy_to_user(name_ptr, kversion.name, kversion.name_len)) || | ||
92 | (kversion.date && | ||
93 | copy_to_user(date_ptr, kversion.date, kversion.date_len)) || | ||
94 | (kversion.desc && | ||
95 | copy_to_user(desc_ptr, kversion.desc, kversion.desc_len))) | ||
96 | ret = -EFAULT; | ||
97 | if (put_user(kversion.version_major, &uversion->version_major) || | ||
98 | put_user(kversion.version_minor, &uversion->version_minor) || | ||
99 | put_user(kversion.version_patchlevel, &uversion->version_patchlevel) || | ||
100 | put_user(kversion.name_len, &uversion->name_len) || | ||
101 | put_user(kversion.date_len, &uversion->date_len) || | ||
102 | put_user(kversion.desc_len, &uversion->desc_len)) | ||
103 | ret = -EFAULT; | ||
104 | } | ||
105 | |||
106 | out: | ||
107 | if (kversion.name) | ||
108 | kfree(kversion.name); | ||
109 | if (kversion.date) | ||
110 | kfree(kversion.date); | ||
111 | if (kversion.desc) | ||
112 | kfree(kversion.desc); | ||
113 | return ret; | ||
114 | } | ||
115 | |||
116 | typedef struct drm32_unique { | ||
117 | int unique_len; /* Length of unique */ | ||
118 | u32 unique; /* Unique name for driver instantiation */ | ||
119 | } drm32_unique_t; | ||
120 | #define DRM32_IOCTL_GET_UNIQUE DRM_IOWR(0x01, drm32_unique_t) | ||
121 | #define DRM32_IOCTL_SET_UNIQUE DRM_IOW( 0x10, drm32_unique_t) | ||
122 | |||
123 | static int drm32_getsetunique(unsigned int fd, unsigned int cmd, unsigned long arg) | ||
124 | { | ||
125 | drm32_unique_t *uarg = (drm32_unique_t *)arg; | ||
126 | drm_unique_t karg; | ||
127 | mm_segment_t old_fs; | ||
128 | char *uptr; | ||
129 | u32 tmp; | ||
130 | int ret; | ||
131 | |||
132 | if (get_user(karg.unique_len, &uarg->unique_len)) | ||
133 | return -EFAULT; | ||
134 | karg.unique = NULL; | ||
135 | |||
136 | if (get_user(tmp, &uarg->unique)) | ||
137 | return -EFAULT; | ||
138 | |||
139 | uptr = (char *) A(tmp); | ||
140 | |||
141 | if (uptr) { | ||
142 | karg.unique = kmalloc(karg.unique_len, GFP_KERNEL); | ||
143 | if (!karg.unique) | ||
144 | return -ENOMEM; | ||
145 | if (cmd == DRM32_IOCTL_SET_UNIQUE && | ||
146 | copy_from_user(karg.unique, uptr, karg.unique_len)) { | ||
147 | kfree(karg.unique); | ||
148 | return -EFAULT; | ||
149 | } | ||
150 | } | ||
151 | |||
152 | old_fs = get_fs(); | ||
153 | set_fs(KERNEL_DS); | ||
154 | if (cmd == DRM32_IOCTL_GET_UNIQUE) | ||
155 | ret = sys_ioctl (fd, DRM_IOCTL_GET_UNIQUE, (unsigned long)&karg); | ||
156 | else | ||
157 | ret = sys_ioctl (fd, DRM_IOCTL_SET_UNIQUE, (unsigned long)&karg); | ||
158 | set_fs(old_fs); | ||
159 | |||
160 | if (!ret) { | ||
161 | if (cmd == DRM32_IOCTL_GET_UNIQUE && | ||
162 | uptr != NULL && | ||
163 | copy_to_user(uptr, karg.unique, karg.unique_len)) | ||
164 | ret = -EFAULT; | ||
165 | if (put_user(karg.unique_len, &uarg->unique_len)) | ||
166 | ret = -EFAULT; | ||
167 | } | ||
168 | |||
169 | if (karg.unique != NULL) | ||
170 | kfree(karg.unique); | ||
171 | |||
172 | return ret; | ||
173 | } | ||
174 | |||
175 | typedef struct drm32_map { | ||
176 | u32 offset; /* Requested physical address (0 for SAREA)*/ | ||
177 | u32 size; /* Requested physical size (bytes) */ | ||
178 | drm_map_type_t type; /* Type of memory to map */ | ||
179 | drm_map_flags_t flags; /* Flags */ | ||
180 | u32 handle; /* User-space: "Handle" to pass to mmap */ | ||
181 | /* Kernel-space: kernel-virtual address */ | ||
182 | int mtrr; /* MTRR slot used */ | ||
183 | /* Private data */ | ||
184 | } drm32_map_t; | ||
185 | #define DRM32_IOCTL_ADD_MAP DRM_IOWR(0x15, drm32_map_t) | ||
186 | |||
187 | static int drm32_addmap(unsigned int fd, unsigned int cmd, unsigned long arg) | ||
188 | { | ||
189 | drm32_map_t *uarg = (drm32_map_t *) arg; | ||
190 | drm_map_t karg; | ||
191 | mm_segment_t old_fs; | ||
192 | u32 tmp; | ||
193 | int ret; | ||
194 | |||
195 | ret = get_user(karg.offset, &uarg->offset); | ||
196 | ret |= get_user(karg.size, &uarg->size); | ||
197 | ret |= get_user(karg.type, &uarg->type); | ||
198 | ret |= get_user(karg.flags, &uarg->flags); | ||
199 | ret |= get_user(tmp, &uarg->handle); | ||
200 | ret |= get_user(karg.mtrr, &uarg->mtrr); | ||
201 | if (ret) | ||
202 | return -EFAULT; | ||
203 | |||
204 | karg.handle = (void *) A(tmp); | ||
205 | |||
206 | old_fs = get_fs(); | ||
207 | set_fs(KERNEL_DS); | ||
208 | ret = sys_ioctl(fd, DRM_IOCTL_ADD_MAP, (unsigned long) &karg); | ||
209 | set_fs(old_fs); | ||
210 | |||
211 | if (!ret) { | ||
212 | ret = put_user(karg.offset, &uarg->offset); | ||
213 | ret |= put_user(karg.size, &uarg->size); | ||
214 | ret |= put_user(karg.type, &uarg->type); | ||
215 | ret |= put_user(karg.flags, &uarg->flags); | ||
216 | tmp = (u32) (long)karg.handle; | ||
217 | ret |= put_user(tmp, &uarg->handle); | ||
218 | ret |= put_user(karg.mtrr, &uarg->mtrr); | ||
219 | if (ret) | ||
220 | ret = -EFAULT; | ||
221 | } | ||
222 | |||
223 | return ret; | ||
224 | } | ||
225 | |||
226 | typedef struct drm32_buf_info { | ||
227 | int count; /* Entries in list */ | ||
228 | u32 list; /* (drm_buf_desc_t *) */ | ||
229 | } drm32_buf_info_t; | ||
230 | #define DRM32_IOCTL_INFO_BUFS DRM_IOWR(0x18, drm32_buf_info_t) | ||
231 | |||
232 | static int drm32_info_bufs(unsigned int fd, unsigned int cmd, unsigned long arg) | ||
233 | { | ||
234 | drm32_buf_info_t *uarg = (drm32_buf_info_t *)arg; | ||
235 | drm_buf_desc_t *ulist; | ||
236 | drm_buf_info_t karg; | ||
237 | mm_segment_t old_fs; | ||
238 | int orig_count, ret; | ||
239 | u32 tmp; | ||
240 | |||
241 | if (get_user(karg.count, &uarg->count) || | ||
242 | get_user(tmp, &uarg->list)) | ||
243 | return -EFAULT; | ||
244 | |||
245 | ulist = (drm_buf_desc_t *) A(tmp); | ||
246 | |||
247 | orig_count = karg.count; | ||
248 | |||
249 | karg.list = kmalloc(karg.count * sizeof(drm_buf_desc_t), GFP_KERNEL); | ||
250 | if (!karg.list) | ||
251 | return -EFAULT; | ||
252 | |||
253 | old_fs = get_fs(); | ||
254 | set_fs(KERNEL_DS); | ||
255 | ret = sys_ioctl(fd, DRM_IOCTL_INFO_BUFS, (unsigned long) &karg); | ||
256 | set_fs(old_fs); | ||
257 | |||
258 | if (!ret) { | ||
259 | if (karg.count <= orig_count && | ||
260 | (copy_to_user(ulist, karg.list, | ||
261 | karg.count * sizeof(drm_buf_desc_t)))) | ||
262 | ret = -EFAULT; | ||
263 | if (put_user(karg.count, &uarg->count)) | ||
264 | ret = -EFAULT; | ||
265 | } | ||
266 | |||
267 | kfree(karg.list); | ||
268 | |||
269 | return ret; | ||
270 | } | ||
271 | |||
272 | typedef struct drm32_buf_free { | ||
273 | int count; | ||
274 | u32 list; /* (int *) */ | ||
275 | } drm32_buf_free_t; | ||
276 | #define DRM32_IOCTL_FREE_BUFS DRM_IOW( 0x1a, drm32_buf_free_t) | ||
277 | |||
278 | static int drm32_free_bufs(unsigned int fd, unsigned int cmd, unsigned long arg) | ||
279 | { | ||
280 | drm32_buf_free_t *uarg = (drm32_buf_free_t *)arg; | ||
281 | drm_buf_free_t karg; | ||
282 | mm_segment_t old_fs; | ||
283 | int *ulist; | ||
284 | int ret; | ||
285 | u32 tmp; | ||
286 | |||
287 | if (get_user(karg.count, &uarg->count) || | ||
288 | get_user(tmp, &uarg->list)) | ||
289 | return -EFAULT; | ||
290 | |||
291 | ulist = (int *) A(tmp); | ||
292 | |||
293 | karg.list = kmalloc(karg.count * sizeof(int), GFP_KERNEL); | ||
294 | if (!karg.list) | ||
295 | return -ENOMEM; | ||
296 | |||
297 | ret = -EFAULT; | ||
298 | if (copy_from_user(karg.list, ulist, (karg.count * sizeof(int)))) | ||
299 | goto out; | ||
300 | |||
301 | old_fs = get_fs(); | ||
302 | set_fs(KERNEL_DS); | ||
303 | ret = sys_ioctl(fd, DRM_IOCTL_FREE_BUFS, (unsigned long) &karg); | ||
304 | set_fs(old_fs); | ||
305 | |||
306 | out: | ||
307 | kfree(karg.list); | ||
308 | |||
309 | return ret; | ||
310 | } | ||
311 | |||
312 | typedef struct drm32_buf_pub { | ||
313 | int idx; /* Index into master buflist */ | ||
314 | int total; /* Buffer size */ | ||
315 | int used; /* Amount of buffer in use (for DMA) */ | ||
316 | u32 address; /* Address of buffer (void *) */ | ||
317 | } drm32_buf_pub_t; | ||
318 | |||
319 | typedef struct drm32_buf_map { | ||
320 | int count; /* Length of buflist */ | ||
321 | u32 virtual; /* Mmaped area in user-virtual (void *) */ | ||
322 | u32 list; /* Buffer information (drm_buf_pub_t *) */ | ||
323 | } drm32_buf_map_t; | ||
324 | #define DRM32_IOCTL_MAP_BUFS DRM_IOWR(0x19, drm32_buf_map_t) | ||
325 | |||
326 | static int drm32_map_bufs(unsigned int fd, unsigned int cmd, unsigned long arg) | ||
327 | { | ||
328 | drm32_buf_map_t *uarg = (drm32_buf_map_t *)arg; | ||
329 | drm32_buf_pub_t *ulist; | ||
330 | drm_buf_map_t karg; | ||
331 | mm_segment_t old_fs; | ||
332 | int orig_count, ret, i; | ||
333 | u32 tmp1, tmp2; | ||
334 | |||
335 | if (get_user(karg.count, &uarg->count) || | ||
336 | get_user(tmp1, &uarg->virtual) || | ||
337 | get_user(tmp2, &uarg->list)) | ||
338 | return -EFAULT; | ||
339 | |||
340 | karg.virtual = (void *) A(tmp1); | ||
341 | ulist = (drm32_buf_pub_t *) A(tmp2); | ||
342 | |||
343 | orig_count = karg.count; | ||
344 | |||
345 | karg.list = kmalloc(karg.count * sizeof(drm_buf_pub_t), GFP_KERNEL); | ||
346 | if (!karg.list) | ||
347 | return -ENOMEM; | ||
348 | |||
349 | ret = -EFAULT; | ||
350 | for (i = 0; i < karg.count; i++) { | ||
351 | if (get_user(karg.list[i].idx, &ulist[i].idx) || | ||
352 | get_user(karg.list[i].total, &ulist[i].total) || | ||
353 | get_user(karg.list[i].used, &ulist[i].used) || | ||
354 | get_user(tmp1, &ulist[i].address)) | ||
355 | goto out; | ||
356 | |||
357 | karg.list[i].address = (void *) A(tmp1); | ||
358 | } | ||
359 | |||
360 | old_fs = get_fs(); | ||
361 | set_fs(KERNEL_DS); | ||
362 | ret = sys_ioctl(fd, DRM_IOCTL_MAP_BUFS, (unsigned long) &karg); | ||
363 | set_fs(old_fs); | ||
364 | |||
365 | if (!ret) { | ||
366 | for (i = 0; i < orig_count; i++) { | ||
367 | tmp1 = (u32) (long) karg.list[i].address; | ||
368 | if (put_user(karg.list[i].idx, &ulist[i].idx) || | ||
369 | put_user(karg.list[i].total, &ulist[i].total) || | ||
370 | put_user(karg.list[i].used, &ulist[i].used) || | ||
371 | put_user(tmp1, &ulist[i].address)) { | ||
372 | ret = -EFAULT; | ||
373 | goto out; | ||
374 | } | ||
375 | } | ||
376 | if (put_user(karg.count, &uarg->count)) | ||
377 | ret = -EFAULT; | ||
378 | } | ||
379 | |||
380 | out: | ||
381 | kfree(karg.list); | ||
382 | return ret; | ||
383 | } | ||
384 | |||
385 | typedef struct drm32_dma { | ||
386 | /* Indices here refer to the offset into | ||
387 | buflist in drm_buf_get_t. */ | ||
388 | int context; /* Context handle */ | ||
389 | int send_count; /* Number of buffers to send */ | ||
390 | u32 send_indices; /* List of handles to buffers (int *) */ | ||
391 | u32 send_sizes; /* Lengths of data to send (int *) */ | ||
392 | drm_dma_flags_t flags; /* Flags */ | ||
393 | int request_count; /* Number of buffers requested */ | ||
394 | int request_size; /* Desired size for buffers */ | ||
395 | u32 request_indices; /* Buffer information (int *) */ | ||
396 | u32 request_sizes; /* (int *) */ | ||
397 | int granted_count; /* Number of buffers granted */ | ||
398 | } drm32_dma_t; | ||
399 | #define DRM32_IOCTL_DMA DRM_IOWR(0x29, drm32_dma_t) | ||
400 | |||
401 | /* RED PEN The DRM layer blindly dereferences the send/request | ||
402 | * indice/size arrays even though they are userland | ||
403 | * pointers. -DaveM | ||
404 | */ | ||
405 | static int drm32_dma(unsigned int fd, unsigned int cmd, unsigned long arg) | ||
406 | { | ||
407 | drm32_dma_t *uarg = (drm32_dma_t *) arg; | ||
408 | int *u_si, *u_ss, *u_ri, *u_rs; | ||
409 | drm_dma_t karg; | ||
410 | mm_segment_t old_fs; | ||
411 | int ret; | ||
412 | u32 tmp1, tmp2, tmp3, tmp4; | ||
413 | |||
414 | karg.send_indices = karg.send_sizes = NULL; | ||
415 | karg.request_indices = karg.request_sizes = NULL; | ||
416 | |||
417 | if (get_user(karg.context, &uarg->context) || | ||
418 | get_user(karg.send_count, &uarg->send_count) || | ||
419 | get_user(tmp1, &uarg->send_indices) || | ||
420 | get_user(tmp2, &uarg->send_sizes) || | ||
421 | get_user(karg.flags, &uarg->flags) || | ||
422 | get_user(karg.request_count, &uarg->request_count) || | ||
423 | get_user(karg.request_size, &uarg->request_size) || | ||
424 | get_user(tmp3, &uarg->request_indices) || | ||
425 | get_user(tmp4, &uarg->request_sizes) || | ||
426 | get_user(karg.granted_count, &uarg->granted_count)) | ||
427 | return -EFAULT; | ||
428 | |||
429 | u_si = (int *) A(tmp1); | ||
430 | u_ss = (int *) A(tmp2); | ||
431 | u_ri = (int *) A(tmp3); | ||
432 | u_rs = (int *) A(tmp4); | ||
433 | |||
434 | if (karg.send_count) { | ||
435 | karg.send_indices = kmalloc(karg.send_count * sizeof(int), GFP_KERNEL); | ||
436 | karg.send_sizes = kmalloc(karg.send_count * sizeof(int), GFP_KERNEL); | ||
437 | |||
438 | ret = -ENOMEM; | ||
439 | if (!karg.send_indices || !karg.send_sizes) | ||
440 | goto out; | ||
441 | |||
442 | ret = -EFAULT; | ||
443 | if (copy_from_user(karg.send_indices, u_si, | ||
444 | (karg.send_count * sizeof(int))) || | ||
445 | copy_from_user(karg.send_sizes, u_ss, | ||
446 | (karg.send_count * sizeof(int)))) | ||
447 | goto out; | ||
448 | } | ||
449 | |||
450 | if (karg.request_count) { | ||
451 | karg.request_indices = kmalloc(karg.request_count * sizeof(int), GFP_KERNEL); | ||
452 | karg.request_sizes = kmalloc(karg.request_count * sizeof(int), GFP_KERNEL); | ||
453 | |||
454 | ret = -ENOMEM; | ||
455 | if (!karg.request_indices || !karg.request_sizes) | ||
456 | goto out; | ||
457 | |||
458 | ret = -EFAULT; | ||
459 | if (copy_from_user(karg.request_indices, u_ri, | ||
460 | (karg.request_count * sizeof(int))) || | ||
461 | copy_from_user(karg.request_sizes, u_rs, | ||
462 | (karg.request_count * sizeof(int)))) | ||
463 | goto out; | ||
464 | } | ||
465 | |||
466 | old_fs = get_fs(); | ||
467 | set_fs(KERNEL_DS); | ||
468 | ret = sys_ioctl(fd, DRM_IOCTL_DMA, (unsigned long) &karg); | ||
469 | set_fs(old_fs); | ||
470 | |||
471 | if (!ret) { | ||
472 | if (put_user(karg.context, &uarg->context) || | ||
473 | put_user(karg.send_count, &uarg->send_count) || | ||
474 | put_user(karg.flags, &uarg->flags) || | ||
475 | put_user(karg.request_count, &uarg->request_count) || | ||
476 | put_user(karg.request_size, &uarg->request_size) || | ||
477 | put_user(karg.granted_count, &uarg->granted_count)) | ||
478 | ret = -EFAULT; | ||
479 | |||
480 | if (karg.send_count) { | ||
481 | if (copy_to_user(u_si, karg.send_indices, | ||
482 | (karg.send_count * sizeof(int))) || | ||
483 | copy_to_user(u_ss, karg.send_sizes, | ||
484 | (karg.send_count * sizeof(int)))) | ||
485 | ret = -EFAULT; | ||
486 | } | ||
487 | if (karg.request_count) { | ||
488 | if (copy_to_user(u_ri, karg.request_indices, | ||
489 | (karg.request_count * sizeof(int))) || | ||
490 | copy_to_user(u_rs, karg.request_sizes, | ||
491 | (karg.request_count * sizeof(int)))) | ||
492 | ret = -EFAULT; | ||
493 | } | ||
494 | } | ||
495 | |||
496 | out: | ||
497 | if (karg.send_indices) | ||
498 | kfree(karg.send_indices); | ||
499 | if (karg.send_sizes) | ||
500 | kfree(karg.send_sizes); | ||
501 | if (karg.request_indices) | ||
502 | kfree(karg.request_indices); | ||
503 | if (karg.request_sizes) | ||
504 | kfree(karg.request_sizes); | ||
505 | |||
506 | return ret; | ||
507 | } | ||
508 | |||
509 | typedef struct drm32_ctx_res { | ||
510 | int count; | ||
511 | u32 contexts; /* (drm_ctx_t *) */ | ||
512 | } drm32_ctx_res_t; | ||
513 | #define DRM32_IOCTL_RES_CTX DRM_IOWR(0x26, drm32_ctx_res_t) | ||
514 | |||
515 | static int drm32_res_ctx(unsigned int fd, unsigned int cmd, unsigned long arg) | ||
516 | { | ||
517 | drm32_ctx_res_t *uarg = (drm32_ctx_res_t *) arg; | ||
518 | drm_ctx_t *ulist; | ||
519 | drm_ctx_res_t karg; | ||
520 | mm_segment_t old_fs; | ||
521 | int orig_count, ret; | ||
522 | u32 tmp; | ||
523 | |||
524 | karg.contexts = NULL; | ||
525 | if (get_user(karg.count, &uarg->count) || | ||
526 | get_user(tmp, &uarg->contexts)) | ||
527 | return -EFAULT; | ||
528 | |||
529 | ulist = (drm_ctx_t *) A(tmp); | ||
530 | |||
531 | orig_count = karg.count; | ||
532 | if (karg.count && ulist) { | ||
533 | karg.contexts = kmalloc((karg.count * sizeof(drm_ctx_t)), GFP_KERNEL); | ||
534 | if (!karg.contexts) | ||
535 | return -ENOMEM; | ||
536 | if (copy_from_user(karg.contexts, ulist, | ||
537 | (karg.count * sizeof(drm_ctx_t)))) { | ||
538 | kfree(karg.contexts); | ||
539 | return -EFAULT; | ||
540 | } | ||
541 | } | ||
542 | |||
543 | old_fs = get_fs(); | ||
544 | set_fs(KERNEL_DS); | ||
545 | ret = sys_ioctl(fd, DRM_IOCTL_RES_CTX, (unsigned long) &karg); | ||
546 | set_fs(old_fs); | ||
547 | |||
548 | if (!ret) { | ||
549 | if (orig_count) { | ||
550 | if (copy_to_user(ulist, karg.contexts, | ||
551 | (orig_count * sizeof(drm_ctx_t)))) | ||
552 | ret = -EFAULT; | ||
553 | } | ||
554 | if (put_user(karg.count, &uarg->count)) | ||
555 | ret = -EFAULT; | ||
556 | } | ||
557 | |||
558 | if (karg.contexts) | ||
559 | kfree(karg.contexts); | ||
560 | |||
561 | return ret; | ||
562 | } | ||
563 | |||
564 | #endif | ||
565 | |||
566 | #define HANDLE_IOCTL(cmd, handler) { cmd, (ioctl_trans_handler_t)handler, NULL }, | ||
567 | #define COMPATIBLE_IOCTL(cmd) HANDLE_IOCTL(cmd, sys_ioctl) | ||
568 | |||
569 | #define IOCTL_TABLE_START struct ioctl_trans ioctl_start[] = { | ||
570 | #define IOCTL_TABLE_END }; | ||
571 | |||
572 | IOCTL_TABLE_START | ||
573 | #include <linux/compat_ioctl.h> | ||
574 | |||
575 | #define DECLARES | ||
576 | #include "compat_ioctl.c" | ||
577 | |||
578 | /* Might be moved to compat_ioctl.h with some ifdefs... */ | ||
579 | COMPATIBLE_IOCTL(TIOCSTART) | ||
580 | COMPATIBLE_IOCTL(TIOCSTOP) | ||
581 | COMPATIBLE_IOCTL(TIOCSLTC) | ||
582 | |||
583 | /* PA-specific ioctls */ | ||
584 | COMPATIBLE_IOCTL(PA_PERF_ON) | ||
585 | COMPATIBLE_IOCTL(PA_PERF_OFF) | ||
586 | COMPATIBLE_IOCTL(PA_PERF_VERSION) | ||
587 | |||
588 | /* And these ioctls need translation */ | ||
589 | HANDLE_IOCTL(SIOCGPPPSTATS, dev_ifsioc) | ||
590 | HANDLE_IOCTL(SIOCGPPPCSTATS, dev_ifsioc) | ||
591 | HANDLE_IOCTL(SIOCGPPPVER, dev_ifsioc) | ||
592 | |||
593 | #if defined(CONFIG_GEN_RTC) | ||
594 | COMPATIBLE_IOCTL(RTC_AIE_ON) | ||
595 | COMPATIBLE_IOCTL(RTC_AIE_OFF) | ||
596 | COMPATIBLE_IOCTL(RTC_UIE_ON) | ||
597 | COMPATIBLE_IOCTL(RTC_UIE_OFF) | ||
598 | COMPATIBLE_IOCTL(RTC_PIE_ON) | ||
599 | COMPATIBLE_IOCTL(RTC_PIE_OFF) | ||
600 | COMPATIBLE_IOCTL(RTC_WIE_ON) | ||
601 | COMPATIBLE_IOCTL(RTC_WIE_OFF) | ||
602 | COMPATIBLE_IOCTL(RTC_ALM_SET) /* struct rtc_time only has ints */ | ||
603 | COMPATIBLE_IOCTL(RTC_ALM_READ) /* struct rtc_time only has ints */ | ||
604 | COMPATIBLE_IOCTL(RTC_RD_TIME) /* struct rtc_time only has ints */ | ||
605 | COMPATIBLE_IOCTL(RTC_SET_TIME) /* struct rtc_time only has ints */ | ||
606 | HANDLE_IOCTL(RTC_IRQP_READ, w_long) | ||
607 | COMPATIBLE_IOCTL(RTC_IRQP_SET) | ||
608 | HANDLE_IOCTL(RTC_EPOCH_READ, w_long) | ||
609 | COMPATIBLE_IOCTL(RTC_EPOCH_SET) | ||
610 | #endif | ||
611 | |||
612 | #if defined(CONFIG_DRM) || defined(CONFIG_DRM_MODULE) | ||
613 | HANDLE_IOCTL(DRM32_IOCTL_VERSION, drm32_version); | ||
614 | HANDLE_IOCTL(DRM32_IOCTL_GET_UNIQUE, drm32_getsetunique); | ||
615 | HANDLE_IOCTL(DRM32_IOCTL_SET_UNIQUE, drm32_getsetunique); | ||
616 | HANDLE_IOCTL(DRM32_IOCTL_ADD_MAP, drm32_addmap); | ||
617 | HANDLE_IOCTL(DRM32_IOCTL_INFO_BUFS, drm32_info_bufs); | ||
618 | HANDLE_IOCTL(DRM32_IOCTL_FREE_BUFS, drm32_free_bufs); | ||
619 | HANDLE_IOCTL(DRM32_IOCTL_MAP_BUFS, drm32_map_bufs); | ||
620 | HANDLE_IOCTL(DRM32_IOCTL_DMA, drm32_dma); | ||
621 | HANDLE_IOCTL(DRM32_IOCTL_RES_CTX, drm32_res_ctx); | ||
622 | #endif /* DRM */ | ||
623 | IOCTL_TABLE_END | ||
624 | |||
625 | int ioctl_table_size = ARRAY_SIZE(ioctl_start); | ||