aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/char/drm/radeon_ioc32.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/char/drm/radeon_ioc32.c')
-rw-r--r--drivers/char/drm/radeon_ioc32.c424
1 files changed, 0 insertions, 424 deletions
diff --git a/drivers/char/drm/radeon_ioc32.c b/drivers/char/drm/radeon_ioc32.c
deleted file mode 100644
index 56decda2a71f..000000000000
--- a/drivers/char/drm/radeon_ioc32.c
+++ /dev/null
@@ -1,424 +0,0 @@
1/**
2 * \file radeon_ioc32.c
3 *
4 * 32-bit ioctl compatibility routines for the Radeon DRM.
5 *
6 * \author Paul Mackerras <paulus@samba.org>
7 *
8 * Copyright (C) Paul Mackerras 2005
9 * All Rights Reserved.
10 *
11 * Permission is hereby granted, free of charge, to any person obtaining a
12 * copy of this software and associated documentation files (the "Software"),
13 * to deal in the Software without restriction, including without limitation
14 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
15 * and/or sell copies of the Software, and to permit persons to whom the
16 * Software is furnished to do so, subject to the following conditions:
17 *
18 * The above copyright notice and this permission notice (including the next
19 * paragraph) shall be included in all copies or substantial portions of the
20 * Software.
21 *
22 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
23 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
24 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
25 * THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
26 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
27 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
28 * IN THE SOFTWARE.
29 */
30#include <linux/compat.h>
31
32#include "drmP.h"
33#include "drm.h"
34#include "radeon_drm.h"
35#include "radeon_drv.h"
36
37typedef struct drm_radeon_init32 {
38 int func;
39 u32 sarea_priv_offset;
40 int is_pci;
41 int cp_mode;
42 int gart_size;
43 int ring_size;
44 int usec_timeout;
45
46 unsigned int fb_bpp;
47 unsigned int front_offset, front_pitch;
48 unsigned int back_offset, back_pitch;
49 unsigned int depth_bpp;
50 unsigned int depth_offset, depth_pitch;
51
52 u32 fb_offset;
53 u32 mmio_offset;
54 u32 ring_offset;
55 u32 ring_rptr_offset;
56 u32 buffers_offset;
57 u32 gart_textures_offset;
58} drm_radeon_init32_t;
59
60static int compat_radeon_cp_init(struct file *file, unsigned int cmd,
61 unsigned long arg)
62{
63 drm_radeon_init32_t init32;
64 drm_radeon_init_t __user *init;
65
66 if (copy_from_user(&init32, (void __user *)arg, sizeof(init32)))
67 return -EFAULT;
68
69 init = compat_alloc_user_space(sizeof(*init));
70 if (!access_ok(VERIFY_WRITE, init, sizeof(*init))
71 || __put_user(init32.func, &init->func)
72 || __put_user(init32.sarea_priv_offset, &init->sarea_priv_offset)
73 || __put_user(init32.is_pci, &init->is_pci)
74 || __put_user(init32.cp_mode, &init->cp_mode)
75 || __put_user(init32.gart_size, &init->gart_size)
76 || __put_user(init32.ring_size, &init->ring_size)
77 || __put_user(init32.usec_timeout, &init->usec_timeout)
78 || __put_user(init32.fb_bpp, &init->fb_bpp)
79 || __put_user(init32.front_offset, &init->front_offset)
80 || __put_user(init32.front_pitch, &init->front_pitch)
81 || __put_user(init32.back_offset, &init->back_offset)
82 || __put_user(init32.back_pitch, &init->back_pitch)
83 || __put_user(init32.depth_bpp, &init->depth_bpp)
84 || __put_user(init32.depth_offset, &init->depth_offset)
85 || __put_user(init32.depth_pitch, &init->depth_pitch)
86 || __put_user(init32.fb_offset, &init->fb_offset)
87 || __put_user(init32.mmio_offset, &init->mmio_offset)
88 || __put_user(init32.ring_offset, &init->ring_offset)
89 || __put_user(init32.ring_rptr_offset, &init->ring_rptr_offset)
90 || __put_user(init32.buffers_offset, &init->buffers_offset)
91 || __put_user(init32.gart_textures_offset,
92 &init->gart_textures_offset))
93 return -EFAULT;
94
95 return drm_ioctl(file->f_path.dentry->d_inode, file,
96 DRM_IOCTL_RADEON_CP_INIT, (unsigned long)init);
97}
98
99typedef struct drm_radeon_clear32 {
100 unsigned int flags;
101 unsigned int clear_color;
102 unsigned int clear_depth;
103 unsigned int color_mask;
104 unsigned int depth_mask; /* misnamed field: should be stencil */
105 u32 depth_boxes;
106} drm_radeon_clear32_t;
107
108static int compat_radeon_cp_clear(struct file *file, unsigned int cmd,
109 unsigned long arg)
110{
111 drm_radeon_clear32_t clr32;
112 drm_radeon_clear_t __user *clr;
113
114 if (copy_from_user(&clr32, (void __user *)arg, sizeof(clr32)))
115 return -EFAULT;
116
117 clr = compat_alloc_user_space(sizeof(*clr));
118 if (!access_ok(VERIFY_WRITE, clr, sizeof(*clr))
119 || __put_user(clr32.flags, &clr->flags)
120 || __put_user(clr32.clear_color, &clr->clear_color)
121 || __put_user(clr32.clear_depth, &clr->clear_depth)
122 || __put_user(clr32.color_mask, &clr->color_mask)
123 || __put_user(clr32.depth_mask, &clr->depth_mask)
124 || __put_user((void __user *)(unsigned long)clr32.depth_boxes,
125 &clr->depth_boxes))
126 return -EFAULT;
127
128 return drm_ioctl(file->f_path.dentry->d_inode, file,
129 DRM_IOCTL_RADEON_CLEAR, (unsigned long)clr);
130}
131
132typedef struct drm_radeon_stipple32 {
133 u32 mask;
134} drm_radeon_stipple32_t;
135
136static int compat_radeon_cp_stipple(struct file *file, unsigned int cmd,
137 unsigned long arg)
138{
139 drm_radeon_stipple32_t __user *argp = (void __user *)arg;
140 drm_radeon_stipple_t __user *request;
141 u32 mask;
142
143 if (get_user(mask, &argp->mask))
144 return -EFAULT;
145
146 request = compat_alloc_user_space(sizeof(*request));
147 if (!access_ok(VERIFY_WRITE, request, sizeof(*request))
148 || __put_user((unsigned int __user *)(unsigned long)mask,
149 &request->mask))
150 return -EFAULT;
151
152 return drm_ioctl(file->f_path.dentry->d_inode, file,
153 DRM_IOCTL_RADEON_STIPPLE, (unsigned long)request);
154}
155
156typedef struct drm_radeon_tex_image32 {
157 unsigned int x, y; /* Blit coordinates */
158 unsigned int width, height;
159 u32 data;
160} drm_radeon_tex_image32_t;
161
162typedef struct drm_radeon_texture32 {
163 unsigned int offset;
164 int pitch;
165 int format;
166 int width; /* Texture image coordinates */
167 int height;
168 u32 image;
169} drm_radeon_texture32_t;
170
171static int compat_radeon_cp_texture(struct file *file, unsigned int cmd,
172 unsigned long arg)
173{
174 drm_radeon_texture32_t req32;
175 drm_radeon_texture_t __user *request;
176 drm_radeon_tex_image32_t img32;
177 drm_radeon_tex_image_t __user *image;
178
179 if (copy_from_user(&req32, (void __user *)arg, sizeof(req32)))
180 return -EFAULT;
181 if (req32.image == 0)
182 return -EINVAL;
183 if (copy_from_user(&img32, (void __user *)(unsigned long)req32.image,
184 sizeof(img32)))
185 return -EFAULT;
186
187 request = compat_alloc_user_space(sizeof(*request) + sizeof(*image));
188 if (!access_ok(VERIFY_WRITE, request,
189 sizeof(*request) + sizeof(*image)))
190 return -EFAULT;
191 image = (drm_radeon_tex_image_t __user *) (request + 1);
192
193 if (__put_user(req32.offset, &request->offset)
194 || __put_user(req32.pitch, &request->pitch)
195 || __put_user(req32.format, &request->format)
196 || __put_user(req32.width, &request->width)
197 || __put_user(req32.height, &request->height)
198 || __put_user(image, &request->image)
199 || __put_user(img32.x, &image->x)
200 || __put_user(img32.y, &image->y)
201 || __put_user(img32.width, &image->width)
202 || __put_user(img32.height, &image->height)
203 || __put_user((const void __user *)(unsigned long)img32.data,
204 &image->data))
205 return -EFAULT;
206
207 return drm_ioctl(file->f_path.dentry->d_inode, file,
208 DRM_IOCTL_RADEON_TEXTURE, (unsigned long)request);
209}
210
211typedef struct drm_radeon_vertex2_32 {
212 int idx; /* Index of vertex buffer */
213 int discard; /* Client finished with buffer? */
214 int nr_states;
215 u32 state;
216 int nr_prims;
217 u32 prim;
218} drm_radeon_vertex2_32_t;
219
220static int compat_radeon_cp_vertex2(struct file *file, unsigned int cmd,
221 unsigned long arg)
222{
223 drm_radeon_vertex2_32_t req32;
224 drm_radeon_vertex2_t __user *request;
225
226 if (copy_from_user(&req32, (void __user *)arg, sizeof(req32)))
227 return -EFAULT;
228
229 request = compat_alloc_user_space(sizeof(*request));
230 if (!access_ok(VERIFY_WRITE, request, sizeof(*request))
231 || __put_user(req32.idx, &request->idx)
232 || __put_user(req32.discard, &request->discard)
233 || __put_user(req32.nr_states, &request->nr_states)
234 || __put_user((void __user *)(unsigned long)req32.state,
235 &request->state)
236 || __put_user(req32.nr_prims, &request->nr_prims)
237 || __put_user((void __user *)(unsigned long)req32.prim,
238 &request->prim))
239 return -EFAULT;
240
241 return drm_ioctl(file->f_path.dentry->d_inode, file,
242 DRM_IOCTL_RADEON_VERTEX2, (unsigned long)request);
243}
244
245typedef struct drm_radeon_cmd_buffer32 {
246 int bufsz;
247 u32 buf;
248 int nbox;
249 u32 boxes;
250} drm_radeon_cmd_buffer32_t;
251
252static int compat_radeon_cp_cmdbuf(struct file *file, unsigned int cmd,
253 unsigned long arg)
254{
255 drm_radeon_cmd_buffer32_t req32;
256 drm_radeon_cmd_buffer_t __user *request;
257
258 if (copy_from_user(&req32, (void __user *)arg, sizeof(req32)))
259 return -EFAULT;
260
261 request = compat_alloc_user_space(sizeof(*request));
262 if (!access_ok(VERIFY_WRITE, request, sizeof(*request))
263 || __put_user(req32.bufsz, &request->bufsz)
264 || __put_user((void __user *)(unsigned long)req32.buf,
265 &request->buf)
266 || __put_user(req32.nbox, &request->nbox)
267 || __put_user((void __user *)(unsigned long)req32.boxes,
268 &request->boxes))
269 return -EFAULT;
270
271 return drm_ioctl(file->f_path.dentry->d_inode, file,
272 DRM_IOCTL_RADEON_CMDBUF, (unsigned long)request);
273}
274
275typedef struct drm_radeon_getparam32 {
276 int param;
277 u32 value;
278} drm_radeon_getparam32_t;
279
280static int compat_radeon_cp_getparam(struct file *file, unsigned int cmd,
281 unsigned long arg)
282{
283 drm_radeon_getparam32_t req32;
284 drm_radeon_getparam_t __user *request;
285
286 if (copy_from_user(&req32, (void __user *)arg, sizeof(req32)))
287 return -EFAULT;
288
289 request = compat_alloc_user_space(sizeof(*request));
290 if (!access_ok(VERIFY_WRITE, request, sizeof(*request))
291 || __put_user(req32.param, &request->param)
292 || __put_user((void __user *)(unsigned long)req32.value,
293 &request->value))
294 return -EFAULT;
295
296 return drm_ioctl(file->f_path.dentry->d_inode, file,
297 DRM_IOCTL_RADEON_GETPARAM, (unsigned long)request);
298}
299
300typedef struct drm_radeon_mem_alloc32 {
301 int region;
302 int alignment;
303 int size;
304 u32 region_offset; /* offset from start of fb or GART */
305} drm_radeon_mem_alloc32_t;
306
307static int compat_radeon_mem_alloc(struct file *file, unsigned int cmd,
308 unsigned long arg)
309{
310 drm_radeon_mem_alloc32_t req32;
311 drm_radeon_mem_alloc_t __user *request;
312
313 if (copy_from_user(&req32, (void __user *)arg, sizeof(req32)))
314 return -EFAULT;
315
316 request = compat_alloc_user_space(sizeof(*request));
317 if (!access_ok(VERIFY_WRITE, request, sizeof(*request))
318 || __put_user(req32.region, &request->region)
319 || __put_user(req32.alignment, &request->alignment)
320 || __put_user(req32.size, &request->size)
321 || __put_user((int __user *)(unsigned long)req32.region_offset,
322 &request->region_offset))
323 return -EFAULT;
324
325 return drm_ioctl(file->f_path.dentry->d_inode, file,
326 DRM_IOCTL_RADEON_ALLOC, (unsigned long)request);
327}
328
329typedef struct drm_radeon_irq_emit32 {
330 u32 irq_seq;
331} drm_radeon_irq_emit32_t;
332
333static int compat_radeon_irq_emit(struct file *file, unsigned int cmd,
334 unsigned long arg)
335{
336 drm_radeon_irq_emit32_t req32;
337 drm_radeon_irq_emit_t __user *request;
338
339 if (copy_from_user(&req32, (void __user *)arg, sizeof(req32)))
340 return -EFAULT;
341
342 request = compat_alloc_user_space(sizeof(*request));
343 if (!access_ok(VERIFY_WRITE, request, sizeof(*request))
344 || __put_user((int __user *)(unsigned long)req32.irq_seq,
345 &request->irq_seq))
346 return -EFAULT;
347
348 return drm_ioctl(file->f_path.dentry->d_inode, file,
349 DRM_IOCTL_RADEON_IRQ_EMIT, (unsigned long)request);
350}
351
352/* The two 64-bit arches where alignof(u64)==4 in 32-bit code */
353#if defined (CONFIG_X86_64) || defined(CONFIG_IA64)
354typedef struct drm_radeon_setparam32 {
355 int param;
356 u64 value;
357} __attribute__((packed)) drm_radeon_setparam32_t;
358
359static int compat_radeon_cp_setparam(struct file *file, unsigned int cmd,
360 unsigned long arg)
361{
362 drm_radeon_setparam32_t req32;
363 drm_radeon_setparam_t __user *request;
364
365 if (copy_from_user(&req32, (void __user *) arg, sizeof(req32)))
366 return -EFAULT;
367
368 request = compat_alloc_user_space(sizeof(*request));
369 if (!access_ok(VERIFY_WRITE, request, sizeof(*request))
370 || __put_user(req32.param, &request->param)
371 || __put_user((void __user *)(unsigned long)req32.value,
372 &request->value))
373 return -EFAULT;
374
375 return drm_ioctl(file->f_dentry->d_inode, file,
376 DRM_IOCTL_RADEON_SETPARAM, (unsigned long) request);
377}
378#else
379#define compat_radeon_cp_setparam NULL
380#endif /* X86_64 || IA64 */
381
382drm_ioctl_compat_t *radeon_compat_ioctls[] = {
383 [DRM_RADEON_CP_INIT] = compat_radeon_cp_init,
384 [DRM_RADEON_CLEAR] = compat_radeon_cp_clear,
385 [DRM_RADEON_STIPPLE] = compat_radeon_cp_stipple,
386 [DRM_RADEON_TEXTURE] = compat_radeon_cp_texture,
387 [DRM_RADEON_VERTEX2] = compat_radeon_cp_vertex2,
388 [DRM_RADEON_CMDBUF] = compat_radeon_cp_cmdbuf,
389 [DRM_RADEON_GETPARAM] = compat_radeon_cp_getparam,
390 [DRM_RADEON_SETPARAM] = compat_radeon_cp_setparam,
391 [DRM_RADEON_ALLOC] = compat_radeon_mem_alloc,
392 [DRM_RADEON_IRQ_EMIT] = compat_radeon_irq_emit,
393};
394
395/**
396 * Called whenever a 32-bit process running under a 64-bit kernel
397 * performs an ioctl on /dev/dri/card<n>.
398 *
399 * \param filp file pointer.
400 * \param cmd command.
401 * \param arg user argument.
402 * \return zero on success or negative number on failure.
403 */
404long radeon_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
405{
406 unsigned int nr = DRM_IOCTL_NR(cmd);
407 drm_ioctl_compat_t *fn = NULL;
408 int ret;
409
410 if (nr < DRM_COMMAND_BASE)
411 return drm_compat_ioctl(filp, cmd, arg);
412
413 if (nr < DRM_COMMAND_BASE + DRM_ARRAY_SIZE(radeon_compat_ioctls))
414 fn = radeon_compat_ioctls[nr - DRM_COMMAND_BASE];
415
416 lock_kernel(); /* XXX for now */
417 if (fn != NULL)
418 ret = (*fn) (filp, cmd, arg);
419 else
420 ret = drm_ioctl(filp->f_path.dentry->d_inode, filp, cmd, arg);
421 unlock_kernel();
422
423 return ret;
424}
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-23 04:02:42 -0500