2 * Copyright 2010 Jerome Glisse <glisse@freedesktop.org>
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * on the rights to use, copy, modify, merge, publish, distribute, sub
8 * license, and/or sell copies of the Software, and to permit persons to whom
9 * the Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
21 * USE OR OTHER DEALINGS IN THE SOFTWARE.
26 #define _FILE_OFFSET_BITS 64
32 #include "r600_priv.h"
34 #include "radeon_drm.h"
36 static int radeon_bo_fixed_map(struct radeon
*radeon
, struct radeon_bo
*bo
)
38 struct drm_radeon_gem_mmap args
;
42 /* Zero out args to make valgrind happy */
43 memset(&args
, 0, sizeof(args
));
44 args
.handle
= bo
->handle
;
46 args
.size
= (uint64_t)bo
->size
;
47 r
= drmCommandWriteRead(radeon
->fd
, DRM_RADEON_GEM_MMAP
,
50 fprintf(stderr
, "error mapping %p 0x%08X (error = %d)\n",
54 ptr
= mmap(0, args
.size
, PROT_READ
|PROT_WRITE
, MAP_SHARED
, radeon
->fd
, args
.addr_ptr
);
55 if (ptr
== MAP_FAILED
) {
56 fprintf(stderr
, "%s failed to map bo\n", __func__
);
65 static void radeon_bo_fixed_unmap(struct radeon
*radeon
, struct radeon_bo
*bo
)
67 munmap(bo
->data
, bo
->size
);
71 struct radeon_bo
*radeon_bo(struct radeon
*radeon
, unsigned handle
,
72 unsigned size
, unsigned alignment
)
77 bo
= calloc(1, sizeof(*bo
));
83 pipe_reference_init(&bo
->reference
, 1);
84 bo
->alignment
= alignment
;
85 LIST_INITHEAD(&bo
->fencedlist
);
88 struct drm_gem_open open_arg
;
90 memset(&open_arg
, 0, sizeof(open_arg
));
91 open_arg
.name
= handle
;
92 r
= drmIoctl(radeon
->fd
, DRM_IOCTL_GEM_OPEN
, &open_arg
);
97 bo
->handle
= open_arg
.handle
;
98 bo
->size
= open_arg
.size
;
101 struct drm_radeon_gem_create args
;
104 args
.alignment
= alignment
;
105 args
.initial_domain
= RADEON_GEM_DOMAIN_CPU
;
108 r
= drmCommandWriteRead(radeon
->fd
, DRM_RADEON_GEM_CREATE
,
109 &args
, sizeof(args
));
110 bo
->handle
= args
.handle
;
112 fprintf(stderr
, "Failed to allocate :\n");
113 fprintf(stderr
, " size : %d bytes\n", size
);
114 fprintf(stderr
, " alignment : %d bytes\n", alignment
);
119 if (radeon_bo_fixed_map(radeon
, bo
)) {
120 R600_ERR("failed to map bo\n");
121 radeon_bo_reference(radeon
, &bo
, NULL
);
127 static void radeon_bo_destroy(struct radeon
*radeon
, struct radeon_bo
*bo
)
129 struct drm_gem_close args
;
131 LIST_DEL(&bo
->fencedlist
);
132 radeon_bo_fixed_unmap(radeon
, bo
);
133 memset(&args
, 0, sizeof(args
));
134 args
.handle
= bo
->handle
;
135 drmIoctl(radeon
->fd
, DRM_IOCTL_GEM_CLOSE
, &args
);
136 memset(bo
, 0, sizeof(struct radeon_bo
));
140 void radeon_bo_reference(struct radeon
*radeon
,
141 struct radeon_bo
**dst
,
142 struct radeon_bo
*src
)
144 struct radeon_bo
*old
= *dst
;
145 if (pipe_reference(&(*dst
)->reference
, &src
->reference
)) {
146 radeon_bo_destroy(radeon
, old
);
151 int radeon_bo_wait(struct radeon
*radeon
, struct radeon_bo
*bo
)
153 struct drm_radeon_gem_wait_idle args
;
159 if (bo
->fence
<= *radeon
->cfence
) {
160 LIST_DELINIT(&bo
->fencedlist
);
166 /* Zero out args to make valgrind happy */
167 memset(&args
, 0, sizeof(args
));
168 args
.handle
= bo
->handle
;
170 ret
= drmCommandWriteRead(radeon
->fd
, DRM_RADEON_GEM_WAIT_IDLE
,
171 &args
, sizeof(args
));
172 } while (ret
== -EBUSY
);
176 int radeon_bo_busy(struct radeon
*radeon
, struct radeon_bo
*bo
, uint32_t *domain
)
178 struct drm_radeon_gem_busy args
;
184 if (bo
->fence
<= *radeon
->cfence
) {
185 LIST_DELINIT(&bo
->fencedlist
);
191 memset(&args
, 0, sizeof(args
));
192 args
.handle
= bo
->handle
;
195 ret
= drmCommandWriteRead(radeon
->fd
, DRM_RADEON_GEM_BUSY
,
196 &args
, sizeof(args
));
198 *domain
= args
.domain
;
202 int radeon_bo_get_tiling_flags(struct radeon
*radeon
,
203 struct radeon_bo
*bo
,
204 uint32_t *tiling_flags
,
207 struct drm_radeon_gem_get_tiling args
;
210 args
.handle
= bo
->handle
;
211 ret
= drmCommandWriteRead(radeon
->fd
, DRM_RADEON_GEM_GET_TILING
,
212 &args
, sizeof(args
));
216 *tiling_flags
= args
.tiling_flags
;
221 int radeon_bo_get_name(struct radeon
*radeon
,
222 struct radeon_bo
*bo
,
225 struct drm_gem_flink flink
;
228 flink
.handle
= bo
->handle
;
229 ret
= drmIoctl(radeon
->fd
, DRM_IOCTL_GEM_FLINK
, &flink
);