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
, void *ptr
)
77 bo
= calloc(1, sizeof(*bo
));
83 pipe_reference_init(&bo
->reference
, 1);
84 bo
->alignment
= alignment
;
87 struct drm_gem_open open_arg
;
89 memset(&open_arg
, 0, sizeof(open_arg
));
90 open_arg
.name
= handle
;
91 r
= drmIoctl(radeon
->fd
, DRM_IOCTL_GEM_OPEN
, &open_arg
);
96 bo
->handle
= open_arg
.handle
;
97 bo
->size
= open_arg
.size
;
100 struct drm_radeon_gem_create args
;
103 args
.alignment
= alignment
;
104 args
.initial_domain
= RADEON_GEM_DOMAIN_CPU
;
107 r
= drmCommandWriteRead(radeon
->fd
, DRM_RADEON_GEM_CREATE
,
108 &args
, sizeof(args
));
109 bo
->handle
= args
.handle
;
111 fprintf(stderr
, "Failed to allocate :\n");
112 fprintf(stderr
, " size : %d bytes\n", size
);
113 fprintf(stderr
, " alignment : %d bytes\n", alignment
);
118 if (radeon_bo_fixed_map(radeon
, bo
)) {
119 R600_ERR("failed to map bo\n");
120 radeon_bo_reference(radeon
, &bo
, NULL
);
124 memcpy(bo
->data
, ptr
, size
);
126 LIST_INITHEAD(&bo
->fencedlist
);
131 static void radeon_bo_destroy(struct radeon
*radeon
, struct radeon_bo
*bo
)
133 struct drm_gem_close args
;
135 LIST_DEL(&bo
->fencedlist
);
136 radeon_bo_fixed_unmap(radeon
, bo
);
137 memset(&args
, 0, sizeof(args
));
138 args
.handle
= bo
->handle
;
139 drmIoctl(radeon
->fd
, DRM_IOCTL_GEM_CLOSE
, &args
);
140 memset(bo
, 0, sizeof(struct radeon_bo
));
144 void radeon_bo_reference(struct radeon
*radeon
,
145 struct radeon_bo
**dst
,
146 struct radeon_bo
*src
)
148 struct radeon_bo
*old
= *dst
;
149 if (pipe_reference(&(*dst
)->reference
, &src
->reference
)) {
150 radeon_bo_destroy(radeon
, old
);
155 int radeon_bo_wait(struct radeon
*radeon
, struct radeon_bo
*bo
)
157 struct drm_radeon_gem_wait_idle args
;
160 if (LIST_IS_EMPTY(&bo
->fencedlist
) && !bo
->shared
)
163 /* Zero out args to make valgrind happy */
164 memset(&args
, 0, sizeof(args
));
165 args
.handle
= bo
->handle
;
167 ret
= drmCommandWriteRead(radeon
->fd
, DRM_RADEON_GEM_WAIT_IDLE
,
168 &args
, sizeof(args
));
169 } while (ret
== -EBUSY
);
173 int radeon_bo_busy(struct radeon
*radeon
, struct radeon_bo
*bo
, uint32_t *domain
)
175 struct drm_radeon_gem_busy args
;
178 if (LIST_IS_EMPTY(&bo
->fencedlist
) && !bo
->shared
)
181 memset(&args
, 0, sizeof(args
));
182 args
.handle
= bo
->handle
;
185 ret
= drmCommandWriteRead(radeon
->fd
, DRM_RADEON_GEM_BUSY
,
186 &args
, sizeof(args
));
189 struct radeon_bo
*entry
, *tent
;
190 LIST_FOR_EACH_ENTRY_SAFE(entry
, tent
, &bo
->fencedlist
, fencedlist
) {
191 LIST_DELINIT(&entry
->fencedlist
);
194 *domain
= args
.domain
;
198 int radeon_bo_fencelist(struct radeon
*radeon
, struct radeon_bo
**bolist
,
201 struct radeon_bo
*first
;
206 if (!LIST_IS_EMPTY(&first
->fencedlist
))
207 LIST_DELINIT(&first
->fencedlist
);
209 LIST_INITHEAD(&first
->fencedlist
);
211 for (i
= 1; i
< num_bo
; i
++) {
212 if (!LIST_IS_EMPTY(&bolist
[i
]->fencedlist
))
213 LIST_DELINIT(&bolist
[i
]->fencedlist
);
215 LIST_ADDTAIL(&bolist
[i
]->fencedlist
, &first
->fencedlist
);