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 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)
68 munmap(bo->data, bo->size);
73 struct radeon_bo *radeon_bo(struct radeon *radeon, unsigned handle,
74 unsigned size, unsigned alignment, unsigned initial_domain)
80 pipe_mutex_lock(radeon->bo_handles_mutex);
81 bo = util_hash_table_get(radeon->bo_handles,
82 (void *)(uintptr_t)handle);
84 struct radeon_bo *b = NULL;
85 radeon_bo_reference(radeon, &b, bo);
89 bo = calloc(1, sizeof(*bo));
95 pipe_reference_init(&bo->reference, 1);
96 bo->alignment = alignment;
97 LIST_INITHEAD(&bo->fencedlist);
100 struct drm_gem_open open_arg;
102 memset(&open_arg, 0, sizeof(open_arg));
103 open_arg.name = handle;
104 r = drmIoctl(radeon->fd, DRM_IOCTL_GEM_OPEN, &open_arg);
110 bo->handle = open_arg.handle;
111 bo->size = open_arg.size;
114 struct drm_radeon_gem_create args = {};
117 args.alignment = alignment;
118 args.initial_domain = initial_domain;
121 r = drmCommandWriteRead(radeon->fd, DRM_RADEON_GEM_CREATE,
122 &args, sizeof(args));
123 bo->handle = args.handle;
125 fprintf(stderr, "Failed to allocate :\n");
126 fprintf(stderr, " size : %d bytes\n", size);
127 fprintf(stderr, " alignment : %d bytes\n", alignment);
134 util_hash_table_set(radeon->bo_handles, (void *)(uintptr_t)handle, bo);
137 pipe_mutex_unlock(radeon->bo_handles_mutex);
142 static void radeon_bo_destroy(struct radeon *radeon, struct radeon_bo *bo)
144 struct drm_gem_close args;
147 pipe_mutex_lock(radeon->bo_handles_mutex);
148 util_hash_table_remove(radeon->bo_handles,
149 (void *)(uintptr_t)bo->name);
150 pipe_mutex_unlock(radeon->bo_handles_mutex);
152 LIST_DEL(&bo->fencedlist);
153 radeon_bo_fixed_unmap(radeon, bo);
154 memset(&args, 0, sizeof(args));
155 args.handle = bo->handle;
156 drmIoctl(radeon->fd, DRM_IOCTL_GEM_CLOSE, &args);
157 memset(bo, 0, sizeof(struct radeon_bo));
161 void radeon_bo_reference(struct radeon *radeon,
162 struct radeon_bo **dst,
163 struct radeon_bo *src)
165 struct radeon_bo *old = *dst;
166 if (pipe_reference(&(*dst)->reference, &src->reference)) {
167 radeon_bo_destroy(radeon, old);
172 int radeon_bo_wait(struct radeon *radeon, struct radeon_bo *bo)
174 struct drm_radeon_gem_wait_idle args;
180 if (bo->fence <= *radeon->cfence) {
181 LIST_DELINIT(&bo->fencedlist);
187 /* Zero out args to make valgrind happy */
188 memset(&args, 0, sizeof(args));
189 args.handle = bo->handle;
191 ret = drmCommandWriteRead(radeon->fd, DRM_RADEON_GEM_WAIT_IDLE,
192 &args, sizeof(args));
193 } while (ret == -EBUSY);
197 int radeon_bo_busy(struct radeon *radeon, struct radeon_bo *bo, uint32_t *domain)
199 struct drm_radeon_gem_busy args;
205 if (bo->fence <= *radeon->cfence) {
206 LIST_DELINIT(&bo->fencedlist);
212 memset(&args, 0, sizeof(args));
213 args.handle = bo->handle;
216 ret = drmCommandWriteRead(radeon->fd, DRM_RADEON_GEM_BUSY,
217 &args, sizeof(args));
219 *domain = args.domain;
223 int radeon_bo_get_tiling_flags(struct radeon *radeon,
224 struct radeon_bo *bo,
225 uint32_t *tiling_flags,
228 struct drm_radeon_gem_get_tiling args = {};
231 args.handle = bo->handle;
232 ret = drmCommandWriteRead(radeon->fd, DRM_RADEON_GEM_GET_TILING,
233 &args, sizeof(args));
237 *tiling_flags = args.tiling_flags;
242 int radeon_bo_get_name(struct radeon *radeon,
243 struct radeon_bo *bo,
246 struct drm_gem_flink flink;
249 flink.handle = bo->handle;
250 ret = drmIoctl(radeon->fd, DRM_IOCTL_GEM_FLINK, &flink);