xref: /freebsd/sys/dev/drm2/drm_ioc32.c (revision 911f0260390e18cf85f3dbf2c719b593efdc1e3c)
1 /*-
2  * Copyright (C) Paul Mackerras 2005.
3  * All Rights Reserved.
4  *
5  * Permission is hereby granted, free of charge, to any person obtaining a
6  * copy of this software and associated documentation files (the "Software"),
7  * to deal in the Software without restriction, including without limitation
8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9  * and/or sell copies of the Software, and to permit persons to whom the
10  * Software is furnished to do so, subject to the following conditions:
11  *
12  * The above copyright notice and this permission notice (including the next
13  * paragraph) shall be included in all copies or substantial portions of the
14  * Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19  * THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
20  * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
22  * IN THE SOFTWARE.
23  */
24 
25 #include <sys/cdefs.h>
26 __FBSDID("$FreeBSD$");
27 
28 #ifdef COMPAT_FREEBSD32
29 
30 #include <dev/drm2/drmP.h>
31 #include <dev/drm2/drm.h>
32 
33 #define DRM_IOCTL_VERSION32		DRM_IOWR(0x00, drm_version32_t)
34 #define DRM_IOCTL_GET_UNIQUE32		DRM_IOWR(0x01, drm_unique32_t)
35 #define DRM_IOCTL_GET_MAP32		DRM_IOWR(0x04, drm_map32_t)
36 #define DRM_IOCTL_GET_CLIENT32		DRM_IOWR(0x05, drm_client32_t)
37 #define DRM_IOCTL_GET_STATS32		DRM_IOR( 0x06, drm_stats32_t)
38 
39 #define DRM_IOCTL_SET_UNIQUE32		DRM_IOW( 0x10, drm_unique32_t)
40 #define DRM_IOCTL_ADD_MAP32		DRM_IOWR(0x15, drm_map32_t)
41 #define DRM_IOCTL_ADD_BUFS32		DRM_IOWR(0x16, drm_buf_desc32_t)
42 #define DRM_IOCTL_MARK_BUFS32		DRM_IOW( 0x17, drm_buf_desc32_t)
43 #define DRM_IOCTL_INFO_BUFS32		DRM_IOWR(0x18, drm_buf_info32_t)
44 #define DRM_IOCTL_MAP_BUFS32		DRM_IOWR(0x19, drm_buf_map32_t)
45 #define DRM_IOCTL_FREE_BUFS32		DRM_IOW( 0x1a, drm_buf_free32_t)
46 
47 #define DRM_IOCTL_RM_MAP32		DRM_IOW( 0x1b, drm_map32_t)
48 
49 #define DRM_IOCTL_SET_SAREA_CTX32	DRM_IOW( 0x1c, drm_ctx_priv_map32_t)
50 #define DRM_IOCTL_GET_SAREA_CTX32	DRM_IOWR(0x1d, drm_ctx_priv_map32_t)
51 
52 #define DRM_IOCTL_RES_CTX32		DRM_IOWR(0x26, drm_ctx_res32_t)
53 #define DRM_IOCTL_DMA32			DRM_IOWR(0x29, drm_dma32_t)
54 
55 #define DRM_IOCTL_AGP_ENABLE32		DRM_IOW( 0x32, drm_agp_mode32_t)
56 #define DRM_IOCTL_AGP_INFO32		DRM_IOR( 0x33, drm_agp_info32_t)
57 #define DRM_IOCTL_AGP_ALLOC32		DRM_IOWR(0x34, drm_agp_buffer32_t)
58 #define DRM_IOCTL_AGP_FREE32		DRM_IOW( 0x35, drm_agp_buffer32_t)
59 #define DRM_IOCTL_AGP_BIND32		DRM_IOW( 0x36, drm_agp_binding32_t)
60 #define DRM_IOCTL_AGP_UNBIND32		DRM_IOW( 0x37, drm_agp_binding32_t)
61 
62 #define DRM_IOCTL_SG_ALLOC32		DRM_IOW( 0x38, drm_scatter_gather32_t)
63 #define DRM_IOCTL_SG_FREE32		DRM_IOW( 0x39, drm_scatter_gather32_t)
64 
65 #define DRM_IOCTL_UPDATE_DRAW32		DRM_IOW( 0x3f, drm_update_draw32_t)
66 
67 #define DRM_IOCTL_WAIT_VBLANK32		DRM_IOWR(0x3a, drm_wait_vblank32_t)
68 
69 typedef struct drm_version_32 {
70 	int version_major;	  /**< Major version */
71 	int version_minor;	  /**< Minor version */
72 	int version_patchlevel;	   /**< Patch level */
73 	u32 name_len;		  /**< Length of name buffer */
74 	u32 name;		  /**< Name of driver */
75 	u32 date_len;		  /**< Length of date buffer */
76 	u32 date;		  /**< User-space buffer to hold date */
77 	u32 desc_len;		  /**< Length of desc buffer */
78 	u32 desc;		  /**< User-space buffer to hold desc */
79 } drm_version32_t;
80 
81 static int compat_drm_version(struct drm_device *dev, void *data,
82     struct drm_file *file_priv)
83 {
84 	drm_version32_t *v32 = data;
85 	struct drm_version version;
86 	int err;
87 
88 	version.name_len = v32->name_len;
89 	version.name = (void *)(unsigned long)v32->name;
90 	version.date_len = v32->date_len;
91 	version.date = (void *)(unsigned long)v32->date;
92 	version.desc_len = v32->desc_len;
93 	version.desc = (void *)(unsigned long)v32->desc;
94 
95 	err = drm_version(dev, (void *)&version, file_priv);
96 	if (err)
97 		return err;
98 
99 	v32->version_major = version.version_major;
100 	v32->version_minor = version.version_minor;
101 	v32->version_patchlevel = version.version_patchlevel;
102 	v32->name_len = version.name_len;
103 	v32->date_len = version.date_len;
104 	v32->desc_len = version.desc_len;
105 
106 	return 0;
107 }
108 
109 typedef struct drm_unique32 {
110 	u32 unique_len;	/**< Length of unique */
111 	u32 unique;	/**< Unique name for driver instantiation */
112 } drm_unique32_t;
113 
114 static int compat_drm_getunique(struct drm_device *dev, void *data,
115     struct drm_file *file_priv)
116 {
117 	drm_unique32_t *uq32 = data;
118 	struct drm_unique u;
119 	int err;
120 
121 	u.unique_len = uq32->unique_len;
122 	u.unique = (void *)(unsigned long)uq32->unique;
123 
124 	err = drm_getunique(dev, (void *)&u, file_priv);
125 	if (err)
126 		return err;
127 
128 	uq32->unique_len = u.unique_len;
129 
130 	return 0;
131 }
132 
133 static int compat_drm_setunique(struct drm_device *dev, void *data,
134     struct drm_file *file_priv)
135 {
136 	drm_unique32_t *uq32 = data;
137 	struct drm_unique u;
138 
139 	u.unique_len = uq32->unique_len;
140 	u.unique = (void *)(unsigned long)uq32->unique;
141 
142 	return drm_setunique(dev, (void *)&u, file_priv);
143 }
144 
145 typedef struct drm_map32 {
146 	u32 offset;		/**< Requested physical address (0 for SAREA)*/
147 	u32 size;		/**< Requested physical size (bytes) */
148 	enum drm_map_type type;	/**< Type of memory to map */
149 	enum drm_map_flags flags;	/**< Flags */
150 	u32 handle;		/**< User-space: "Handle" to pass to mmap() */
151 	int mtrr;		/**< MTRR slot used */
152 } drm_map32_t;
153 
154 static int compat_drm_getmap(struct drm_device *dev, void *data,
155     struct drm_file *file_priv)
156 {
157 	drm_map32_t *m32 = data;
158 	struct drm_map map;
159 	int err;
160 	void *handle;
161 
162 	map.offset = (unsigned long)m32->offset;
163 
164 	err = drm_getmap(dev, (void *)&map, file_priv);
165 	if (err)
166 		return err;
167 
168 	m32->offset = map.offset;
169 	m32->size = map.size;
170 	m32->type = map.type;
171 	m32->flags = map.flags;
172 	handle = map.handle;
173 	m32->mtrr = map.mtrr;
174 
175 	m32->handle = (unsigned long)handle;
176 
177 	return 0;
178 
179 }
180 
181 static int compat_drm_addmap(struct drm_device *dev, void *data,
182     struct drm_file *file_priv)
183 {
184 	drm_map32_t *m32 = data;
185 	struct drm_map map;
186 	int err;
187 	void *handle;
188 
189 	map.offset = (unsigned long)m32->offset;
190 	map.size = (unsigned long)m32->size;
191 	map.type = m32->type;
192 	map.flags = m32->flags;
193 
194 	err = drm_addmap_ioctl(dev, (void *)&map, file_priv);
195 	if (err)
196 		return err;
197 
198 	m32->offset = map.offset;
199 	m32->mtrr = map.mtrr;
200 	handle = map.handle;
201 
202 	m32->handle = (unsigned long)handle;
203 	if (m32->handle != (unsigned long)handle)
204 		DRM_DEBUG("compat_drm_addmap truncated handle"
205 				   " %p for type %d offset %x\n",
206 				   handle, m32->type, m32->offset);
207 
208 	return 0;
209 }
210 
211 static int compat_drm_rmmap(struct drm_device *dev, void *data,
212     struct drm_file *file_priv)
213 {
214 	drm_map32_t *m32 = data;
215 	struct drm_map map;
216 
217 	map.handle = (void *)(unsigned long)m32->handle;
218 
219 	return drm_rmmap_ioctl(dev, (void *)&map, file_priv);
220 }
221 
222 typedef struct drm_client32 {
223 	int idx;	/**< Which client desired? */
224 	int auth;	/**< Is client authenticated? */
225 	u32 pid;	/**< Process ID */
226 	u32 uid;	/**< User ID */
227 	u32 magic;	/**< Magic */
228 	u32 iocs;	/**< Ioctl count */
229 } drm_client32_t;
230 
231 static int compat_drm_getclient(struct drm_device *dev, void *data,
232     struct drm_file *file_priv)
233 {
234 	drm_client32_t *c32 = data;
235 	struct drm_client client;
236 	int err;
237 
238 	client.idx = c32->idx;
239 
240 	err = drm_getclient(dev, (void *)&client, file_priv);
241 	if (err)
242 		return err;
243 
244 	c32->idx = client.idx;
245 	c32->auth = client.auth;
246 	c32->pid = client.pid;
247 	c32->uid = client.uid;
248 	c32->magic = client.magic;
249 	c32->iocs = client.iocs;
250 
251 	return 0;
252 }
253 
254 typedef struct drm_stats32 {
255 	u32 count;
256 	struct {
257 		u32 value;
258 		enum drm_stat_type type;
259 	} data[15];
260 } drm_stats32_t;
261 
262 static int compat_drm_getstats(struct drm_device *dev, void *data,
263     struct drm_file *file_priv)
264 {
265 	drm_stats32_t *s32 = data;
266 	struct drm_stats stats;
267 	int i, err;
268 
269 	err = drm_getstats(dev, (void *)&stats, file_priv);
270 	if (err)
271 		return err;
272 
273 	s32->count = stats.count;
274 	for (i = 0; i < stats.count; i++) {
275 		s32->data[i].value = stats.data[i].value;
276 		s32->data[i].type = stats.data[i].type;
277 	}
278 
279 	return 0;
280 }
281 
282 typedef struct drm_buf_desc32 {
283 	int count;		 /**< Number of buffers of this size */
284 	int size;		 /**< Size in bytes */
285 	int low_mark;		 /**< Low water mark */
286 	int high_mark;		 /**< High water mark */
287 	int flags;
288 	u32 agp_start;		 /**< Start address in the AGP aperture */
289 } drm_buf_desc32_t;
290 
291 static int compat_drm_addbufs(struct drm_device *dev, void *data,
292     struct drm_file *file_priv)
293 {
294 	drm_buf_desc32_t *b32 = data;
295 	struct drm_buf_desc buf;
296 	int err;
297 
298 	buf.count = b32->count;
299 	buf.size = b32->size;
300 	buf.low_mark = b32->low_mark;
301 	buf.high_mark = b32->high_mark;
302 	buf.flags = b32->flags;
303 	buf.agp_start = (unsigned long)b32->agp_start;
304 
305 	err = drm_addbufs(dev, (void *)&buf, file_priv);
306 	if (err)
307 		return err;
308 
309 	b32->count = buf.count;
310 	b32->size = buf.size;
311 	b32->low_mark = buf.low_mark;
312 	b32->high_mark = buf.high_mark;
313 	b32->flags = buf.flags;
314 	b32->agp_start = buf.agp_start;
315 
316 	return 0;
317 }
318 
319 static int compat_drm_markbufs(struct drm_device *dev, void *data,
320     struct drm_file *file_priv)
321 {
322 	drm_buf_desc32_t *b32 = data;
323 	struct drm_buf_desc buf;
324 
325 	buf.size = b32->size;
326 	buf.low_mark = b32->low_mark;
327 	buf.high_mark = b32->high_mark;
328 
329 	return drm_markbufs(dev, (void *)&buf, file_priv);
330 }
331 
332 typedef struct drm_buf_info32 {
333 	int count;		/**< Entries in list */
334 	u32 list;
335 } drm_buf_info32_t;
336 
337 static int compat_drm_infobufs(struct drm_device *dev, void *data,
338     struct drm_file *file_priv)
339 {
340 	drm_buf_info32_t *req32 = data;
341 	drm_buf_desc32_t *to;
342 	struct drm_buf_info *request;
343 	struct drm_buf_desc *list;
344 	size_t nbytes;
345 	int i, err;
346 	int count, actual;
347 
348 	count = req32->count;
349 	to = (drm_buf_desc32_t *)(unsigned long)req32->list;
350 	if (count < 0)
351 		count = 0;
352 
353 	nbytes = sizeof(*request) + count * sizeof(struct drm_buf_desc);
354 	request = malloc(nbytes, DRM_MEM_BUFLISTS, M_ZERO | M_NOWAIT);
355 	if (!request)
356 		return -ENOMEM;
357 	list = (struct drm_buf_desc *) (request + 1);
358 
359 	request->count = count;
360 	request->list = list;
361 
362 	err = drm_infobufs(dev, (void *)request, file_priv);
363 	if (err)
364 		return err;
365 
366 	actual = request->count;
367 	if (count >= actual)
368 		for (i = 0; i < actual; ++i) {
369 			to[i].count = list[i].count;
370 			to[i].size = list[i].size;
371 			to[i].low_mark = list[i].low_mark;
372 			to[i].high_mark = list[i].high_mark;
373 			to[i].flags = list[i].flags;
374 		}
375 
376 	req32->count = actual;
377 
378 	return 0;
379 }
380 
381 typedef struct drm_buf_pub32 {
382 	int idx;		/**< Index into the master buffer list */
383 	int total;		/**< Buffer size */
384 	int used;		/**< Amount of buffer in use (for DMA) */
385 	u32 address;		/**< Address of buffer */
386 } drm_buf_pub32_t;
387 
388 typedef struct drm_buf_map32 {
389 	int count;		/**< Length of the buffer list */
390 	u32 virtual;		/**< Mmap'd area in user-virtual */
391 	u32 list;		/**< Buffer information */
392 } drm_buf_map32_t;
393 
394 static int compat_drm_mapbufs(struct drm_device *dev, void *data,
395     struct drm_file *file_priv)
396 {
397 	drm_buf_map32_t *req32 = data;
398 	drm_buf_pub32_t *list32;
399 	struct drm_buf_map *request;
400 	struct drm_buf_pub *list;
401 	int i, err;
402 	int count, actual;
403 	size_t nbytes;
404 
405 	count = req32->count;
406 	list32 = (void *)(unsigned long)req32->list;
407 
408 	if (count < 0)
409 		return -EINVAL;
410 	nbytes = sizeof(*request) + count * sizeof(struct drm_buf_pub);
411 	request = malloc(nbytes, DRM_MEM_BUFLISTS, M_ZERO | M_NOWAIT);
412 	if (!request)
413 		return -ENOMEM;
414 	list = (struct drm_buf_pub *) (request + 1);
415 
416 	request->count = count;
417 	request->list = list;
418 
419 	err = drm_mapbufs(dev, (void *)request, file_priv);
420 	if (err)
421 		return err;
422 
423 	actual = request->count;
424 	if (count >= actual)
425 		for (i = 0; i < actual; ++i) {
426 			list32[i].idx = list[i].idx;
427 			list32[i].total = list[i].total;
428 			list32[i].used = list[i].used;
429 			list32[i].address = (unsigned long)list[i].address;
430 		}
431 
432 	req32->count = actual;
433 	req32->virtual = (unsigned long)request->virtual;
434 
435 	return 0;
436 }
437 
438 typedef struct drm_buf_free32 {
439 	int count;
440 	u32 list;
441 } drm_buf_free32_t;
442 
443 static int compat_drm_freebufs(struct drm_device *dev, void *data,
444     struct drm_file *file_priv)
445 {
446 	drm_buf_free32_t *req32 = data;
447 	struct drm_buf_free request;
448 
449 	request.count = req32->count;
450 	request.list = (int *)(unsigned long)req32->list;
451 
452 	return drm_freebufs(dev, (void *)&request, file_priv);
453 }
454 
455 typedef struct drm_ctx_priv_map32 {
456 	unsigned int ctx_id;	 /**< Context requesting private mapping */
457 	u32 handle;		/**< Handle of map */
458 } drm_ctx_priv_map32_t;
459 
460 static int compat_drm_setsareactx(struct drm_device *dev, void *data,
461     struct drm_file *file_priv)
462 {
463 	drm_ctx_priv_map32_t *req32 = data;
464 	struct drm_ctx_priv_map request;
465 
466 	request.ctx_id = req32->ctx_id;
467 	request.handle = (void *)(unsigned long)req32->handle;
468 
469 	return drm_setsareactx(dev, (void *)&request, file_priv);
470 }
471 
472 static int compat_drm_getsareactx(struct drm_device *dev, void *data,
473     struct drm_file *file_priv)
474 {
475 	drm_ctx_priv_map32_t *req32 = data;
476 	struct drm_ctx_priv_map request;
477 	int err;
478 
479 	request.ctx_id = req32->ctx_id;
480 
481 	err = drm_getsareactx(dev, (void *)&request, file_priv);
482 	if (err)
483 		return err;
484 
485 	req32->handle = (unsigned long)request.handle;
486 
487 	return 0;
488 }
489 
490 typedef struct drm_ctx_res32 {
491 	int count;
492 	u32 contexts;
493 } drm_ctx_res32_t;
494 
495 static int compat_drm_resctx(struct drm_device *dev, void *data,
496     struct drm_file *file_priv)
497 {
498 	drm_ctx_res32_t *res32 = data;
499 	struct drm_ctx_res res;
500 	int err;
501 
502 	res.count = res32->count;
503 	res.contexts = (struct drm_ctx __user *)(unsigned long)res32->contexts;
504 
505 	err = drm_resctx(dev, (void *)&res, file_priv);
506 	if (err)
507 		return err;
508 
509 	res32->count = res.count;
510 
511 	return 0;
512 }
513 
514 typedef struct drm_dma32 {
515 	int context;		  /**< Context handle */
516 	int send_count;		  /**< Number of buffers to send */
517 	u32 send_indices;	  /**< List of handles to buffers */
518 	u32 send_sizes;		  /**< Lengths of data to send */
519 	enum drm_dma_flags flags;		  /**< Flags */
520 	int request_count;	  /**< Number of buffers requested */
521 	int request_size;	  /**< Desired size for buffers */
522 	u32 request_indices;	  /**< Buffer information */
523 	u32 request_sizes;
524 	int granted_count;	  /**< Number of buffers granted */
525 } drm_dma32_t;
526 
527 static int compat_drm_dma(struct drm_device *dev, void *data,
528     struct drm_file *file_priv)
529 {
530 	drm_dma32_t *d32 = data;
531 	struct drm_dma d;
532 	int err;
533 
534 	if (!dev->driver->dma_ioctl) {
535 		DRM_DEBUG("DMA ioctl on driver with no dma handler\n");
536 		return -EINVAL;
537 	}
538 
539 	d.context = d32->context;
540 	d.send_count = d32->send_count;
541 	d.send_indices = (int *)(unsigned long)d32->send_indices;
542 	d.send_sizes = (int *)(unsigned long)d32->send_sizes;
543 	d.flags = d32->flags;
544 	d.request_count = d32->request_count;
545 	d.request_indices = (int *)(unsigned long)d32->request_indices;
546 	d.request_sizes = (int *)(unsigned long)d32->request_sizes;
547 
548 	err = dev->driver->dma_ioctl(dev, (void *)&d, file_priv);
549 	if (err)
550 		return err;
551 
552 	d32->request_size = d.request_size;
553 	d32->granted_count = d.granted_count;
554 
555 	return 0;
556 }
557 
558 #if __OS_HAS_AGP
559 typedef struct drm_agp_mode32 {
560 	u32 mode;	/**< AGP mode */
561 } drm_agp_mode32_t;
562 
563 static int compat_drm_agp_enable(struct drm_device *dev, void *data,
564     struct drm_file *file_priv)
565 {
566 	drm_agp_mode32_t *m32 = data;
567 	struct drm_agp_mode mode;
568 
569 	mode.mode = m32->mode;
570 
571 	return drm_agp_enable_ioctl(dev, (void *)&mode, file_priv);
572 }
573 
574 typedef struct drm_agp_info32 {
575 	int agp_version_major;
576 	int agp_version_minor;
577 	u32 mode;
578 	u32 aperture_base;	/* physical address */
579 	u32 aperture_size;	/* bytes */
580 	u32 memory_allowed;	/* bytes */
581 	u32 memory_used;
582 
583 	/* PCI information */
584 	unsigned short id_vendor;
585 	unsigned short id_device;
586 } drm_agp_info32_t;
587 
588 static int compat_drm_agp_info(struct drm_device *dev, void *data,
589     struct drm_file *file_priv)
590 {
591 	drm_agp_info32_t *i32 = data;
592 	struct drm_agp_info info;
593 	int err;
594 
595 	err = drm_agp_info_ioctl(dev, (void *)&info, file_priv);
596 	if (err)
597 		return err;
598 
599 	i32->agp_version_major = info.agp_version_major;
600 	i32->agp_version_minor = info.agp_version_minor;
601 	i32->mode = info.mode;
602 	i32->aperture_base = info.aperture_base;
603 	i32->aperture_size = info.aperture_size;
604 	i32->memory_allowed = info.memory_allowed;
605 	i32->memory_used = info.memory_used;
606 	i32->id_vendor = info.id_vendor;
607 	i32->id_device = info.id_device;
608 
609 	return 0;
610 }
611 
612 typedef struct drm_agp_buffer32 {
613 	u32 size;	/**< In bytes -- will round to page boundary */
614 	u32 handle;	/**< Used for binding / unbinding */
615 	u32 type;	/**< Type of memory to allocate */
616 	u32 physical;	/**< Physical used by i810 */
617 } drm_agp_buffer32_t;
618 
619 static int compat_drm_agp_alloc(struct drm_device *dev, void *data,
620     struct drm_file *file_priv)
621 {
622 	drm_agp_buffer32_t *req32 = data;
623 	struct drm_agp_buffer request;
624 	int err;
625 
626 	request.size = req32->size;
627 	request.type = req32->type;
628 
629 	err = drm_agp_alloc_ioctl(dev, (void *)&request, file_priv);
630 	if (err)
631 		return err;
632 
633 	req32->handle = request.handle;
634 	req32->physical = request.physical;
635 
636 	return 0;
637 }
638 
639 static int compat_drm_agp_free(struct drm_device *dev, void *data,
640     struct drm_file *file_priv)
641 {
642 	drm_agp_buffer32_t *req32 = data;
643 	struct drm_agp_buffer request;
644 
645 	request.handle = req32->handle;
646 
647 	return drm_agp_free_ioctl(dev, (void *)&request, file_priv);
648 }
649 
650 typedef struct drm_agp_binding32 {
651 	u32 handle;	/**< From drm_agp_buffer */
652 	u32 offset;	/**< In bytes -- will round to page boundary */
653 } drm_agp_binding32_t;
654 
655 static int compat_drm_agp_bind(struct drm_device *dev, void *data,
656     struct drm_file *file_priv)
657 {
658 	drm_agp_binding32_t *req32 = data;
659 	struct drm_agp_binding request;
660 
661 	request.handle = req32->handle;
662 	request.offset = req32->offset;
663 
664 	return drm_agp_bind_ioctl(dev, (void *)&request, file_priv);
665 }
666 
667 static int compat_drm_agp_unbind(struct drm_device *dev, void *data,
668     struct drm_file *file_priv)
669 {
670 	drm_agp_binding32_t *req32 = data;
671 	struct drm_agp_binding request;
672 
673 	request.handle = req32->handle;
674 
675 	return drm_agp_unbind_ioctl(dev, (void *)&request, file_priv);
676 }
677 #endif				/* __OS_HAS_AGP */
678 
679 typedef struct drm_scatter_gather32 {
680 	u32 size;	/**< In bytes -- will round to page boundary */
681 	u32 handle;	/**< Used for mapping / unmapping */
682 } drm_scatter_gather32_t;
683 
684 static int compat_drm_sg_alloc(struct drm_device *dev, void *data,
685     struct drm_file *file_priv)
686 {
687 	drm_scatter_gather32_t *req32 = data;
688 	struct drm_scatter_gather request;
689 	int err;
690 
691 	request.size = (unsigned long)req32->size;
692 
693 	err = drm_sg_alloc_ioctl(dev, (void *)&request, file_priv);
694 	if (err)
695 		return err;
696 
697 	/* XXX not sure about the handle conversion here... */
698 	req32->handle = (unsigned long)request.handle >> PAGE_SHIFT;
699 
700 	return 0;
701 }
702 
703 static int compat_drm_sg_free(struct drm_device *dev, void *data,
704     struct drm_file *file_priv)
705 {
706 	drm_scatter_gather32_t *req32 = data;
707 	struct drm_scatter_gather request;
708 
709 	request.handle = (unsigned long)req32->handle << PAGE_SHIFT;
710 
711 	return drm_sg_free(dev, (void *)&request, file_priv);
712 }
713 
714 #if defined(CONFIG_X86) || defined(CONFIG_IA64)
715 typedef struct drm_update_draw32 {
716 	drm_drawable_t handle;
717 	unsigned int type;
718 	unsigned int num;
719 	/* 64-bit version has a 32-bit pad here */
720 	u64 data;	/**< Pointer */
721 } __attribute__((packed)) drm_update_draw32_t;
722 #endif
723 
724 struct drm_wait_vblank_request32 {
725 	enum drm_vblank_seq_type type;
726 	unsigned int sequence;
727 	u32 signal;
728 };
729 
730 struct drm_wait_vblank_reply32 {
731 	enum drm_vblank_seq_type type;
732 	unsigned int sequence;
733 	s32 tval_sec;
734 	s32 tval_usec;
735 };
736 
737 typedef union drm_wait_vblank32 {
738 	struct drm_wait_vblank_request32 request;
739 	struct drm_wait_vblank_reply32 reply;
740 } drm_wait_vblank32_t;
741 
742 static int compat_drm_wait_vblank(struct drm_device *dev, void *data,
743     struct drm_file *file_priv)
744 {
745 	drm_wait_vblank32_t *req32 = data;
746 	union drm_wait_vblank request;
747 	int err;
748 
749 	request.request.type = req32->request.type;
750 	request.request.sequence = req32->request.sequence;
751 	request.request.signal = req32->request.signal;
752 
753 	err = drm_wait_vblank(dev, (void *)&request, file_priv);
754 	if (err)
755 		return err;
756 
757 	req32->reply.type = request.reply.type;
758 	req32->reply.sequence = request.reply.sequence;
759 	req32->reply.tval_sec = request.reply.tval_sec;
760 	req32->reply.tval_usec = request.reply.tval_usec;
761 
762 	return 0;
763 }
764 
765 struct drm_ioctl_desc drm_compat_ioctls[256] = {
766 	DRM_IOCTL_DEF(DRM_IOCTL_VERSION32, compat_drm_version, DRM_UNLOCKED),
767 	DRM_IOCTL_DEF(DRM_IOCTL_GET_UNIQUE32, compat_drm_getunique, 0),
768 	DRM_IOCTL_DEF(DRM_IOCTL_GET_MAP32, compat_drm_getmap, DRM_UNLOCKED),
769 	DRM_IOCTL_DEF(DRM_IOCTL_GET_CLIENT32, compat_drm_getclient, DRM_UNLOCKED),
770 	DRM_IOCTL_DEF(DRM_IOCTL_GET_STATS32, compat_drm_getstats, DRM_UNLOCKED),
771 	DRM_IOCTL_DEF(DRM_IOCTL_SET_UNIQUE32, compat_drm_setunique, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
772 	DRM_IOCTL_DEF(DRM_IOCTL_ADD_MAP32, compat_drm_addmap, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
773 	DRM_IOCTL_DEF(DRM_IOCTL_ADD_BUFS32, compat_drm_addbufs, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
774 	DRM_IOCTL_DEF(DRM_IOCTL_MARK_BUFS32, compat_drm_markbufs, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
775 	DRM_IOCTL_DEF(DRM_IOCTL_INFO_BUFS32, compat_drm_infobufs, DRM_AUTH),
776 	DRM_IOCTL_DEF(DRM_IOCTL_MAP_BUFS32, compat_drm_mapbufs, DRM_AUTH),
777 	DRM_IOCTL_DEF(DRM_IOCTL_FREE_BUFS32, compat_drm_freebufs, DRM_AUTH),
778 	DRM_IOCTL_DEF(DRM_IOCTL_RM_MAP32, compat_drm_rmmap, DRM_AUTH),
779 	DRM_IOCTL_DEF(DRM_IOCTL_SET_SAREA_CTX32, compat_drm_setsareactx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
780 	DRM_IOCTL_DEF(DRM_IOCTL_GET_SAREA_CTX32, compat_drm_getsareactx, DRM_AUTH),
781 	DRM_IOCTL_DEF(DRM_IOCTL_RES_CTX32, compat_drm_resctx, DRM_AUTH),
782 	DRM_IOCTL_DEF(DRM_IOCTL_DMA32, compat_drm_dma, DRM_AUTH),
783 #if __OS_HAS_AGP
784 	DRM_IOCTL_DEF(DRM_IOCTL_AGP_ENABLE32, compat_drm_agp_enable, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
785 	DRM_IOCTL_DEF(DRM_IOCTL_AGP_INFO32, compat_drm_agp_info, DRM_AUTH),
786 	DRM_IOCTL_DEF(DRM_IOCTL_AGP_ALLOC32, compat_drm_agp_alloc, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
787 	DRM_IOCTL_DEF(DRM_IOCTL_AGP_FREE32, compat_drm_agp_free, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
788 	DRM_IOCTL_DEF(DRM_IOCTL_AGP_BIND32, compat_drm_agp_bind, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
789 	DRM_IOCTL_DEF(DRM_IOCTL_AGP_UNBIND32, compat_drm_agp_unbind, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
790 #endif
791 	DRM_IOCTL_DEF(DRM_IOCTL_SG_ALLOC32, compat_drm_sg_alloc, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
792 	DRM_IOCTL_DEF(DRM_IOCTL_SG_FREE32, compat_drm_sg_free, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
793 #if defined(CONFIG_X86) || defined(CONFIG_IA64)
794 	DRM_IOCTL_DEF(DRM_IOCTL_UPDATE_DRAW32, drm_noop, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
795 #endif
796 	DRM_IOCTL_DEF(DRM_IOCTL_WAIT_VBLANK32, compat_drm_wait_vblank, DRM_UNLOCKED),
797 };
798 
799 #endif
800