2 * Copyright © 2008 Dave Airlie
3 * Copyright © 2008 Jérôme Glisse
6 * Permission is hereby granted, free of charge, to any person obtaining
7 * a copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
15 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
16 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
17 * NON-INFRINGEMENT. IN NO EVENT SHALL THE COPYRIGHT HOLDERS, AUTHORS
18 * AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
20 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
21 * USE OR OTHER DEALINGS IN THE SOFTWARE.
23 * The above copyright notice and this permission notice (including the
24 * next paragraph) shall be included in all copies or substantial portions
30 * Jérôme Glisse <glisse@freedesktop.org>
37 #include "libdrm_macros.h"
39 #include "xf86atomic.h"
41 #include "radeon_drm.h"
42 #include "radeon_bo.h"
43 #include "radeon_bo_int.h"
44 #include "radeon_bo_gem.h"
46 struct radeon_bo_gem {
47 struct radeon_bo_int base;
54 struct bo_manager_gem {
55 struct radeon_bo_manager base;
58 static int bo_wait(struct radeon_bo_int *boi);
60 static struct radeon_bo *bo_open(struct radeon_bo_manager *bom,
67 struct radeon_bo_gem *bo;
70 bo = (struct radeon_bo_gem*)calloc(1, sizeof(struct radeon_bo_gem));
78 bo->base.alignment = alignment;
79 bo->base.domains = domains;
80 bo->base.flags = flags;
82 atomic_set(&bo->reloc_in_cs, 0);
85 struct drm_gem_open open_arg;
87 memset(&open_arg, 0, sizeof(open_arg));
88 open_arg.name = handle;
89 r = drmIoctl(bom->fd, DRM_IOCTL_GEM_OPEN, &open_arg);
94 bo->base.handle = open_arg.handle;
95 bo->base.size = open_arg.size;
98 struct drm_radeon_gem_create args;
101 args.alignment = alignment;
102 args.initial_domain = bo->base.domains;
105 r = drmCommandWriteRead(bom->fd, DRM_RADEON_GEM_CREATE,
106 &args, sizeof(args));
107 bo->base.handle = args.handle;
109 fprintf(stderr, "Failed to allocate :\n");
110 fprintf(stderr, " size : %d bytes\n", size);
111 fprintf(stderr, " alignment : %d bytes\n", alignment);
112 fprintf(stderr, " domains : %d\n", bo->base.domains);
117 radeon_bo_ref((struct radeon_bo*)bo);
118 return (struct radeon_bo*)bo;
121 static void bo_ref(struct radeon_bo_int *boi)
125 static struct radeon_bo *bo_unref(struct radeon_bo_int *boi)
127 struct radeon_bo_gem *bo_gem = (struct radeon_bo_gem*)boi;
128 struct drm_gem_close args;
131 return (struct radeon_bo *)boi;
133 if (bo_gem->priv_ptr) {
134 drm_munmap(bo_gem->priv_ptr, boi->size);
137 /* Zero out args to make valgrind happy */
138 memset(&args, 0, sizeof(args));
141 args.handle = boi->handle;
142 drmIoctl(boi->bom->fd, DRM_IOCTL_GEM_CLOSE, &args);
143 memset(bo_gem, 0, sizeof(struct radeon_bo_gem));
148 static int bo_map(struct radeon_bo_int *boi, int write)
150 struct radeon_bo_gem *bo_gem = (struct radeon_bo_gem*)boi;
151 struct drm_radeon_gem_mmap args;
155 if (bo_gem->map_count++ != 0) {
158 if (bo_gem->priv_ptr) {
164 /* Zero out args to make valgrind happy */
165 memset(&args, 0, sizeof(args));
166 args.handle = boi->handle;
168 args.size = (uint64_t)boi->size;
169 r = drmCommandWriteRead(boi->bom->fd,
174 fprintf(stderr, "error mapping %p 0x%08X (error = %d)\n",
175 boi, boi->handle, r);
178 ptr = drm_mmap(0, args.size, PROT_READ|PROT_WRITE, MAP_SHARED, boi->bom->fd, args.addr_ptr);
179 if (ptr == MAP_FAILED)
181 bo_gem->priv_ptr = ptr;
183 boi->ptr = bo_gem->priv_ptr;
190 static int bo_unmap(struct radeon_bo_int *boi)
192 struct radeon_bo_gem *bo_gem = (struct radeon_bo_gem*)boi;
194 if (--bo_gem->map_count > 0) {
197 //drm_munmap(bo->ptr, bo->size);
202 static int bo_wait(struct radeon_bo_int *boi)
204 struct drm_radeon_gem_wait_idle args;
207 /* Zero out args to make valgrind happy */
208 memset(&args, 0, sizeof(args));
209 args.handle = boi->handle;
211 ret = drmCommandWrite(boi->bom->fd, DRM_RADEON_GEM_WAIT_IDLE,
212 &args, sizeof(args));
213 } while (ret == -EBUSY);
217 static int bo_is_busy(struct radeon_bo_int *boi, uint32_t *domain)
219 struct drm_radeon_gem_busy args;
222 args.handle = boi->handle;
225 ret = drmCommandWriteRead(boi->bom->fd, DRM_RADEON_GEM_BUSY,
226 &args, sizeof(args));
228 *domain = args.domain;
232 static int bo_set_tiling(struct radeon_bo_int *boi, uint32_t tiling_flags,
235 struct drm_radeon_gem_set_tiling args;
238 args.handle = boi->handle;
239 args.tiling_flags = tiling_flags;
242 r = drmCommandWriteRead(boi->bom->fd,
243 DRM_RADEON_GEM_SET_TILING,
249 static int bo_get_tiling(struct radeon_bo_int *boi, uint32_t *tiling_flags,
252 struct drm_radeon_gem_set_tiling args = {};
255 args.handle = boi->handle;
257 r = drmCommandWriteRead(boi->bom->fd,
258 DRM_RADEON_GEM_GET_TILING,
265 *tiling_flags = args.tiling_flags;
270 static const struct radeon_bo_funcs bo_gem_funcs = {
273 .bo_unref = bo_unref,
275 .bo_unmap = bo_unmap,
277 .bo_is_static = NULL,
278 .bo_set_tiling = bo_set_tiling,
279 .bo_get_tiling = bo_get_tiling,
280 .bo_is_busy = bo_is_busy,
281 .bo_is_referenced_by_cs = NULL,
284 drm_public struct radeon_bo_manager *radeon_bo_manager_gem_ctor(int fd)
286 struct bo_manager_gem *bomg;
288 bomg = (struct bo_manager_gem*)calloc(1, sizeof(struct bo_manager_gem));
292 bomg->base.funcs = &bo_gem_funcs;
294 return (struct radeon_bo_manager*)bomg;
297 drm_public void radeon_bo_manager_gem_dtor(struct radeon_bo_manager *bom)
299 struct bo_manager_gem *bomg = (struct bo_manager_gem*)bom;
308 radeon_gem_name_bo(struct radeon_bo *bo)
310 struct radeon_bo_gem *bo_gem = (struct radeon_bo_gem*)bo;
315 radeon_gem_get_reloc_in_cs(struct radeon_bo *bo)
317 struct radeon_bo_gem *bo_gem = (struct radeon_bo_gem*)bo;
318 return &bo_gem->reloc_in_cs;
322 radeon_gem_get_kernel_name(struct radeon_bo *bo, uint32_t *name)
324 struct radeon_bo_gem *bo_gem = (struct radeon_bo_gem*)bo;
325 struct radeon_bo_int *boi = (struct radeon_bo_int *)bo;
326 struct drm_gem_flink flink;
330 *name = bo_gem->name;
333 flink.handle = bo->handle;
334 r = drmIoctl(boi->bom->fd, DRM_IOCTL_GEM_FLINK, &flink);
338 bo_gem->name = flink.name;
344 radeon_gem_set_domain(struct radeon_bo *bo, uint32_t read_domains, uint32_t write_domain)
346 struct radeon_bo_int *boi = (struct radeon_bo_int *)bo;
347 struct drm_radeon_gem_set_domain args;
350 args.handle = bo->handle;
351 args.read_domains = read_domains;
352 args.write_domain = write_domain;
354 r = drmCommandWriteRead(boi->bom->fd,
355 DRM_RADEON_GEM_SET_DOMAIN,
361 drm_public int radeon_gem_prime_share_bo(struct radeon_bo *bo, int *handle)
363 struct radeon_bo_gem *bo_gem = (struct radeon_bo_gem*)bo;
366 ret = drmPrimeHandleToFD(bo_gem->base.bom->fd, bo->handle, DRM_CLOEXEC, handle);
370 drm_public struct radeon_bo *
371 radeon_gem_bo_open_prime(struct radeon_bo_manager *bom, int fd_handle, uint32_t size)
373 struct radeon_bo_gem *bo;
377 bo = (struct radeon_bo_gem*)calloc(1, sizeof(struct radeon_bo_gem));
384 bo->base.size = size;
385 bo->base.alignment = 0;
386 bo->base.domains = RADEON_GEM_DOMAIN_GTT;
389 atomic_set(&bo->reloc_in_cs, 0);
392 r = drmPrimeFDToHandle(bom->fd, fd_handle, &handle);
398 bo->base.handle = handle;
401 radeon_bo_ref((struct radeon_bo *)bo);
402 return (struct radeon_bo *)bo;