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-rw-r--r--arch/parisc/kernel/ioctl32.c541
1 files changed, 0 insertions, 541 deletions
diff --git a/arch/parisc/kernel/ioctl32.c b/arch/parisc/kernel/ioctl32.c
index 5da44c3d62ec..4eada1bb27f0 100644
--- a/arch/parisc/kernel/ioctl32.c
+++ b/arch/parisc/kernel/ioctl32.c
@@ -19,536 +19,6 @@
19#define CODE 19#define CODE
20#include "compat_ioctl.c" 20#include "compat_ioctl.c"
21 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
32typedef 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
45static 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
106out:
107 kfree(kversion.name);
108 kfree(kversion.date);
109 kfree(kversion.desc);
110 return ret;
111}
112
113typedef struct drm32_unique {
114 int unique_len; /* Length of unique */
115 u32 unique; /* Unique name for driver instantiation */
116} drm32_unique_t;
117#define DRM32_IOCTL_GET_UNIQUE DRM_IOWR(0x01, drm32_unique_t)
118#define DRM32_IOCTL_SET_UNIQUE DRM_IOW( 0x10, drm32_unique_t)
119
120static int drm32_getsetunique(unsigned int fd, unsigned int cmd, unsigned long arg)
121{
122 drm32_unique_t *uarg = (drm32_unique_t *)arg;
123 drm_unique_t karg;
124 mm_segment_t old_fs;
125 char *uptr;
126 u32 tmp;
127 int ret;
128
129 if (get_user(karg.unique_len, &uarg->unique_len))
130 return -EFAULT;
131 karg.unique = NULL;
132
133 if (get_user(tmp, &uarg->unique))
134 return -EFAULT;
135
136 uptr = (char *) A(tmp);
137
138 if (uptr) {
139 karg.unique = kmalloc(karg.unique_len, GFP_KERNEL);
140 if (!karg.unique)
141 return -ENOMEM;
142 if (cmd == DRM32_IOCTL_SET_UNIQUE &&
143 copy_from_user(karg.unique, uptr, karg.unique_len)) {
144 kfree(karg.unique);
145 return -EFAULT;
146 }
147 }
148
149 old_fs = get_fs();
150 set_fs(KERNEL_DS);
151 if (cmd == DRM32_IOCTL_GET_UNIQUE)
152 ret = sys_ioctl (fd, DRM_IOCTL_GET_UNIQUE, (unsigned long)&karg);
153 else
154 ret = sys_ioctl (fd, DRM_IOCTL_SET_UNIQUE, (unsigned long)&karg);
155 set_fs(old_fs);
156
157 if (!ret) {
158 if (cmd == DRM32_IOCTL_GET_UNIQUE &&
159 uptr != NULL &&
160 copy_to_user(uptr, karg.unique, karg.unique_len))
161 ret = -EFAULT;
162 if (put_user(karg.unique_len, &uarg->unique_len))
163 ret = -EFAULT;
164 }
165
166 kfree(karg.unique);
167 return ret;
168}
169
170typedef struct drm32_map {
171 u32 offset; /* Requested physical address (0 for SAREA)*/
172 u32 size; /* Requested physical size (bytes) */
173 drm_map_type_t type; /* Type of memory to map */
174 drm_map_flags_t flags; /* Flags */
175 u32 handle; /* User-space: "Handle" to pass to mmap */
176 /* Kernel-space: kernel-virtual address */
177 int mtrr; /* MTRR slot used */
178 /* Private data */
179} drm32_map_t;
180#define DRM32_IOCTL_ADD_MAP DRM_IOWR(0x15, drm32_map_t)
181
182static int drm32_addmap(unsigned int fd, unsigned int cmd, unsigned long arg)
183{
184 drm32_map_t *uarg = (drm32_map_t *) arg;
185 drm_map_t karg;
186 mm_segment_t old_fs;
187 u32 tmp;
188 int ret;
189
190 ret = get_user(karg.offset, &uarg->offset);
191 ret |= get_user(karg.size, &uarg->size);
192 ret |= get_user(karg.type, &uarg->type);
193 ret |= get_user(karg.flags, &uarg->flags);
194 ret |= get_user(tmp, &uarg->handle);
195 ret |= get_user(karg.mtrr, &uarg->mtrr);
196 if (ret)
197 return -EFAULT;
198
199 karg.handle = (void *) A(tmp);
200
201 old_fs = get_fs();
202 set_fs(KERNEL_DS);
203 ret = sys_ioctl(fd, DRM_IOCTL_ADD_MAP, (unsigned long) &karg);
204 set_fs(old_fs);
205
206 if (!ret) {
207 ret = put_user(karg.offset, &uarg->offset);
208 ret |= put_user(karg.size, &uarg->size);
209 ret |= put_user(karg.type, &uarg->type);
210 ret |= put_user(karg.flags, &uarg->flags);
211 tmp = (u32) (long)karg.handle;
212 ret |= put_user(tmp, &uarg->handle);
213 ret |= put_user(karg.mtrr, &uarg->mtrr);
214 if (ret)
215 ret = -EFAULT;
216 }
217
218 return ret;
219}
220
221typedef struct drm32_buf_info {
222 int count; /* Entries in list */
223 u32 list; /* (drm_buf_desc_t *) */
224} drm32_buf_info_t;
225#define DRM32_IOCTL_INFO_BUFS DRM_IOWR(0x18, drm32_buf_info_t)
226
227static int drm32_info_bufs(unsigned int fd, unsigned int cmd, unsigned long arg)
228{
229 drm32_buf_info_t *uarg = (drm32_buf_info_t *)arg;
230 drm_buf_desc_t *ulist;
231 drm_buf_info_t karg;
232 mm_segment_t old_fs;
233 int orig_count, ret;
234 u32 tmp;
235
236 if (get_user(karg.count, &uarg->count) ||
237 get_user(tmp, &uarg->list))
238 return -EFAULT;
239
240 ulist = (drm_buf_desc_t *) A(tmp);
241
242 orig_count = karg.count;
243
244 karg.list = kmalloc(karg.count * sizeof(drm_buf_desc_t), GFP_KERNEL);
245 if (!karg.list)
246 return -EFAULT;
247
248 old_fs = get_fs();
249 set_fs(KERNEL_DS);
250 ret = sys_ioctl(fd, DRM_IOCTL_INFO_BUFS, (unsigned long) &karg);
251 set_fs(old_fs);
252
253 if (!ret) {
254 if (karg.count <= orig_count &&
255 (copy_to_user(ulist, karg.list,
256 karg.count * sizeof(drm_buf_desc_t))))
257 ret = -EFAULT;
258 if (put_user(karg.count, &uarg->count))
259 ret = -EFAULT;
260 }
261
262 kfree(karg.list);
263 return ret;
264}
265
266typedef struct drm32_buf_free {
267 int count;
268 u32 list; /* (int *) */
269} drm32_buf_free_t;
270#define DRM32_IOCTL_FREE_BUFS DRM_IOW( 0x1a, drm32_buf_free_t)
271
272static int drm32_free_bufs(unsigned int fd, unsigned int cmd, unsigned long arg)
273{
274 drm32_buf_free_t *uarg = (drm32_buf_free_t *)arg;
275 drm_buf_free_t karg;
276 mm_segment_t old_fs;
277 int *ulist;
278 int ret;
279 u32 tmp;
280
281 if (get_user(karg.count, &uarg->count) ||
282 get_user(tmp, &uarg->list))
283 return -EFAULT;
284
285 ulist = (int *) A(tmp);
286
287 karg.list = kmalloc(karg.count * sizeof(int), GFP_KERNEL);
288 if (!karg.list)
289 return -ENOMEM;
290
291 ret = -EFAULT;
292 if (copy_from_user(karg.list, ulist, (karg.count * sizeof(int))))
293 goto out;
294
295 old_fs = get_fs();
296 set_fs(KERNEL_DS);
297 ret = sys_ioctl(fd, DRM_IOCTL_FREE_BUFS, (unsigned long) &karg);
298 set_fs(old_fs);
299
300out:
301 kfree(karg.list);
302 return ret;
303}
304
305typedef struct drm32_buf_pub {
306 int idx; /* Index into master buflist */
307 int total; /* Buffer size */
308 int used; /* Amount of buffer in use (for DMA) */
309 u32 address; /* Address of buffer (void *) */
310} drm32_buf_pub_t;
311
312typedef struct drm32_buf_map {
313 int count; /* Length of buflist */
314 u32 virtual; /* Mmaped area in user-virtual (void *) */
315 u32 list; /* Buffer information (drm_buf_pub_t *) */
316} drm32_buf_map_t;
317#define DRM32_IOCTL_MAP_BUFS DRM_IOWR(0x19, drm32_buf_map_t)
318
319static int drm32_map_bufs(unsigned int fd, unsigned int cmd, unsigned long arg)
320{
321 drm32_buf_map_t *uarg = (drm32_buf_map_t *)arg;
322 drm32_buf_pub_t *ulist;
323 drm_buf_map_t karg;
324 mm_segment_t old_fs;
325 int orig_count, ret, i;
326 u32 tmp1, tmp2;
327
328 if (get_user(karg.count, &uarg->count) ||
329 get_user(tmp1, &uarg->virtual) ||
330 get_user(tmp2, &uarg->list))
331 return -EFAULT;
332
333 karg.virtual = (void *) A(tmp1);
334 ulist = (drm32_buf_pub_t *) A(tmp2);
335
336 orig_count = karg.count;
337
338 karg.list = kmalloc(karg.count * sizeof(drm_buf_pub_t), GFP_KERNEL);
339 if (!karg.list)
340 return -ENOMEM;
341
342 ret = -EFAULT;
343 for (i = 0; i < karg.count; i++) {
344 if (get_user(karg.list[i].idx, &ulist[i].idx) ||
345 get_user(karg.list[i].total, &ulist[i].total) ||
346 get_user(karg.list[i].used, &ulist[i].used) ||
347 get_user(tmp1, &ulist[i].address))
348 goto out;
349
350 karg.list[i].address = (void *) A(tmp1);
351 }
352
353 old_fs = get_fs();
354 set_fs(KERNEL_DS);
355 ret = sys_ioctl(fd, DRM_IOCTL_MAP_BUFS, (unsigned long) &karg);
356 set_fs(old_fs);
357
358 if (!ret) {
359 for (i = 0; i < orig_count; i++) {
360 tmp1 = (u32) (long) karg.list[i].address;
361 if (put_user(karg.list[i].idx, &ulist[i].idx) ||
362 put_user(karg.list[i].total, &ulist[i].total) ||
363 put_user(karg.list[i].used, &ulist[i].used) ||
364 put_user(tmp1, &ulist[i].address)) {
365 ret = -EFAULT;
366 goto out;
367 }
368 }
369 if (put_user(karg.count, &uarg->count))
370 ret = -EFAULT;
371 }
372
373out:
374 kfree(karg.list);
375 return ret;
376}
377
378typedef struct drm32_dma {
379 /* Indices here refer to the offset into
380 buflist in drm_buf_get_t. */
381 int context; /* Context handle */
382 int send_count; /* Number of buffers to send */
383 u32 send_indices; /* List of handles to buffers (int *) */
384 u32 send_sizes; /* Lengths of data to send (int *) */
385 drm_dma_flags_t flags; /* Flags */
386 int request_count; /* Number of buffers requested */
387 int request_size; /* Desired size for buffers */
388 u32 request_indices; /* Buffer information (int *) */
389 u32 request_sizes; /* (int *) */
390 int granted_count; /* Number of buffers granted */
391} drm32_dma_t;
392#define DRM32_IOCTL_DMA DRM_IOWR(0x29, drm32_dma_t)
393
394/* RED PEN The DRM layer blindly dereferences the send/request
395 * indice/size arrays even though they are userland
396 * pointers. -DaveM
397 */
398static int drm32_dma(unsigned int fd, unsigned int cmd, unsigned long arg)
399{
400 drm32_dma_t *uarg = (drm32_dma_t *) arg;
401 int *u_si, *u_ss, *u_ri, *u_rs;
402 drm_dma_t karg;
403 mm_segment_t old_fs;
404 int ret;
405 u32 tmp1, tmp2, tmp3, tmp4;
406
407 karg.send_indices = karg.send_sizes = NULL;
408 karg.request_indices = karg.request_sizes = NULL;
409
410 if (get_user(karg.context, &uarg->context) ||
411 get_user(karg.send_count, &uarg->send_count) ||
412 get_user(tmp1, &uarg->send_indices) ||
413 get_user(tmp2, &uarg->send_sizes) ||
414 get_user(karg.flags, &uarg->flags) ||
415 get_user(karg.request_count, &uarg->request_count) ||
416 get_user(karg.request_size, &uarg->request_size) ||
417 get_user(tmp3, &uarg->request_indices) ||
418 get_user(tmp4, &uarg->request_sizes) ||
419 get_user(karg.granted_count, &uarg->granted_count))
420 return -EFAULT;
421
422 u_si = (int *) A(tmp1);
423 u_ss = (int *) A(tmp2);
424 u_ri = (int *) A(tmp3);
425 u_rs = (int *) A(tmp4);
426
427 if (karg.send_count) {
428 karg.send_indices = kmalloc(karg.send_count * sizeof(int), GFP_KERNEL);
429 karg.send_sizes = kmalloc(karg.send_count * sizeof(int), GFP_KERNEL);
430
431 ret = -ENOMEM;
432 if (!karg.send_indices || !karg.send_sizes)
433 goto out;
434
435 ret = -EFAULT;
436 if (copy_from_user(karg.send_indices, u_si,
437 (karg.send_count * sizeof(int))) ||
438 copy_from_user(karg.send_sizes, u_ss,
439 (karg.send_count * sizeof(int))))
440 goto out;
441 }
442
443 if (karg.request_count) {
444 karg.request_indices = kmalloc(karg.request_count * sizeof(int), GFP_KERNEL);
445 karg.request_sizes = kmalloc(karg.request_count * sizeof(int), GFP_KERNEL);
446
447 ret = -ENOMEM;
448 if (!karg.request_indices || !karg.request_sizes)
449 goto out;
450
451 ret = -EFAULT;
452 if (copy_from_user(karg.request_indices, u_ri,
453 (karg.request_count * sizeof(int))) ||
454 copy_from_user(karg.request_sizes, u_rs,
455 (karg.request_count * sizeof(int))))
456 goto out;
457 }
458
459 old_fs = get_fs();
460 set_fs(KERNEL_DS);
461 ret = sys_ioctl(fd, DRM_IOCTL_DMA, (unsigned long) &karg);
462 set_fs(old_fs);
463
464 if (!ret) {
465 if (put_user(karg.context, &uarg->context) ||
466 put_user(karg.send_count, &uarg->send_count) ||
467 put_user(karg.flags, &uarg->flags) ||
468 put_user(karg.request_count, &uarg->request_count) ||
469 put_user(karg.request_size, &uarg->request_size) ||
470 put_user(karg.granted_count, &uarg->granted_count))
471 ret = -EFAULT;
472
473 if (karg.send_count) {
474 if (copy_to_user(u_si, karg.send_indices,
475 (karg.send_count * sizeof(int))) ||
476 copy_to_user(u_ss, karg.send_sizes,
477 (karg.send_count * sizeof(int))))
478 ret = -EFAULT;
479 }
480 if (karg.request_count) {
481 if (copy_to_user(u_ri, karg.request_indices,
482 (karg.request_count * sizeof(int))) ||
483 copy_to_user(u_rs, karg.request_sizes,
484 (karg.request_count * sizeof(int))))
485 ret = -EFAULT;
486 }
487 }
488
489out:
490 kfree(karg.send_indices);
491 kfree(karg.send_sizes);
492 kfree(karg.request_indices);
493 kfree(karg.request_sizes);
494 return ret;
495}
496
497typedef struct drm32_ctx_res {
498 int count;
499 u32 contexts; /* (drm_ctx_t *) */
500} drm32_ctx_res_t;
501#define DRM32_IOCTL_RES_CTX DRM_IOWR(0x26, drm32_ctx_res_t)
502
503static int drm32_res_ctx(unsigned int fd, unsigned int cmd, unsigned long arg)
504{
505 drm32_ctx_res_t *uarg = (drm32_ctx_res_t *) arg;
506 drm_ctx_t *ulist;
507 drm_ctx_res_t karg;
508 mm_segment_t old_fs;
509 int orig_count, ret;
510 u32 tmp;
511
512 karg.contexts = NULL;
513 if (get_user(karg.count, &uarg->count) ||
514 get_user(tmp, &uarg->contexts))
515 return -EFAULT;
516
517 ulist = (drm_ctx_t *) A(tmp);
518
519 orig_count = karg.count;
520 if (karg.count && ulist) {
521 karg.contexts = kmalloc((karg.count * sizeof(drm_ctx_t)), GFP_KERNEL);
522 if (!karg.contexts)
523 return -ENOMEM;
524 if (copy_from_user(karg.contexts, ulist,
525 (karg.count * sizeof(drm_ctx_t)))) {
526 kfree(karg.contexts);
527 return -EFAULT;
528 }
529 }
530
531 old_fs = get_fs();
532 set_fs(KERNEL_DS);
533 ret = sys_ioctl(fd, DRM_IOCTL_RES_CTX, (unsigned long) &karg);
534 set_fs(old_fs);
535
536 if (!ret) {
537 if (orig_count) {
538 if (copy_to_user(ulist, karg.contexts,
539 (orig_count * sizeof(drm_ctx_t))))
540 ret = -EFAULT;
541 }
542 if (put_user(karg.count, &uarg->count))
543 ret = -EFAULT;
544 }
545
546 kfree(karg.contexts);
547 return ret;
548}
549
550#endif
551
552#define HANDLE_IOCTL(cmd, handler) { cmd, (ioctl_trans_handler_t)handler, NULL }, 22#define HANDLE_IOCTL(cmd, handler) { cmd, (ioctl_trans_handler_t)handler, NULL },
553#define COMPATIBLE_IOCTL(cmd) HANDLE_IOCTL(cmd, sys_ioctl) 23#define COMPATIBLE_IOCTL(cmd) HANDLE_IOCTL(cmd, sys_ioctl)
554 24
@@ -585,17 +55,6 @@ HANDLE_IOCTL(RTC_EPOCH_READ, w_long)
585COMPATIBLE_IOCTL(RTC_EPOCH_SET) 55COMPATIBLE_IOCTL(RTC_EPOCH_SET)
586#endif 56#endif
587 57
588#if defined(CONFIG_DRM) || defined(CONFIG_DRM_MODULE)
589HANDLE_IOCTL(DRM32_IOCTL_VERSION, drm32_version);
590HANDLE_IOCTL(DRM32_IOCTL_GET_UNIQUE, drm32_getsetunique);
591HANDLE_IOCTL(DRM32_IOCTL_SET_UNIQUE, drm32_getsetunique);
592HANDLE_IOCTL(DRM32_IOCTL_ADD_MAP, drm32_addmap);
593HANDLE_IOCTL(DRM32_IOCTL_INFO_BUFS, drm32_info_bufs);
594HANDLE_IOCTL(DRM32_IOCTL_FREE_BUFS, drm32_free_bufs);
595HANDLE_IOCTL(DRM32_IOCTL_MAP_BUFS, drm32_map_bufs);
596HANDLE_IOCTL(DRM32_IOCTL_DMA, drm32_dma);
597HANDLE_IOCTL(DRM32_IOCTL_RES_CTX, drm32_res_ctx);
598#endif /* DRM */
599IOCTL_TABLE_END 58IOCTL_TABLE_END
600 59
601int ioctl_table_size = ARRAY_SIZE(ioctl_start); 60int ioctl_table_size = ARRAY_SIZE(ioctl_start);
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-20 21:19:11 -0500