38 static void bo_del(struct fd_bo *bo);
41 static void set_name(struct fd_bo *bo, uint32_t name)  in set_name()  argument
43 	bo->name = name;  in set_name()
45 	drmHashInsert(bo->dev->name_table, name, bo);  in set_name()
51 	struct fd_bo *bo = NULL;  in lookup_bo()  local
52 	if (!drmHashLookup(tbl, key, (void **)&bo)) {  in lookup_bo()
54 		bo = fd_bo_ref(bo);  in lookup_bo()
56 	return bo;  in lookup_bo()
63 	struct fd_bo *bo;  in bo_from_handle()  local
65 	bo = dev->funcs->bo_from_handle(dev, size, handle);  in bo_from_handle()
66 	if (!bo) {  in bo_from_handle()
73 	bo->dev = fd_device_ref(dev);  in bo_from_handle()
74 	bo->size = size;  in bo_from_handle()
75 	bo->handle = handle;  in bo_from_handle()
76 	atomic_set(&bo->refcnt, 1);  in bo_from_handle()
77 	list_inithead(&bo->list);  in bo_from_handle()
79 	drmHashInsert(dev->handle_table, handle, bo);  in bo_from_handle()
80 	return bo;  in bo_from_handle()
93 		struct fd_bo *bo;  in fd_cleanup_bo_cache()  local
96 			bo = LIST_ENTRY(struct fd_bo, bucket->list.next, list);  in fd_cleanup_bo_cache()
99 			if (time && ((time - bo->free_time) <= 1))  in fd_cleanup_bo_cache()
102 			list_del(&bo->list);  in fd_cleanup_bo_cache()
103 			bo_del(bo);  in fd_cleanup_bo_cache()
127 static int is_idle(struct fd_bo *bo)  in is_idle()  argument
129 	return fd_bo_cpu_prep(bo, NULL,  in is_idle()
138 	struct fd_bo *bo = NULL;  in find_in_bucket()  local
149 		bo = LIST_ENTRY(struct fd_bo, bucket->list.next, list);  in find_in_bucket()
151 			list_del(&bo->list);  in find_in_bucket()
152 			bo_del(bo);  in find_in_bucket()
153 			bo = NULL;  in find_in_bucket()
157 		if (is_idle(bo)) {  in find_in_bucket()
158 			list_del(&bo->list);  in find_in_bucket()
161 		bo = NULL;  in find_in_bucket()
166 	return bo;  in find_in_bucket()
173 	struct fd_bo *bo = NULL;  in fd_bo_new()  local
184 		bo = find_in_bucket(dev, bucket, flags);  in fd_bo_new()
185 		if (bo) {  in fd_bo_new()
186 			atomic_set(&bo->refcnt, 1);  in fd_bo_new()
187 			fd_device_ref(bo->dev);  in fd_bo_new()
188 			return bo;  in fd_bo_new()
197 	bo = bo_from_handle(dev, size, handle);  in fd_bo_new()
198 	bo->bo_reuse = 1;  in fd_bo_new()
201 	return bo;  in fd_bo_new()
207 	struct fd_bo *bo = NULL;  in fd_bo_from_handle()  local
211 	bo = lookup_bo(dev->handle_table, handle);  in fd_bo_from_handle()
212 	if (bo)  in fd_bo_from_handle()
215 	bo = bo_from_handle(dev, size, handle);  in fd_bo_from_handle()
220 	return bo;  in fd_bo_from_handle()
247 	struct fd_bo *bo;  in fd_bo_from_name()  local
252 	bo = lookup_bo(dev->name_table, name);  in fd_bo_from_name()
253 	if (bo)  in fd_bo_from_name()
261 	bo = lookup_bo(dev->handle_table, req.handle);  in fd_bo_from_name()
262 	if (bo)  in fd_bo_from_name()
265 	bo = bo_from_handle(dev, req.size, req.handle);  in fd_bo_from_name()
266 	if (bo)  in fd_bo_from_name()
267 		set_name(bo, name);  in fd_bo_from_name()
272 	return bo;  in fd_bo_from_name()
275 drm_public struct fd_bo * fd_bo_ref(struct fd_bo *bo)  in fd_bo_ref()  argument
277 	atomic_inc(&bo->refcnt);  in fd_bo_ref()
278 	return bo;  in fd_bo_ref()
281 drm_public void fd_bo_del(struct fd_bo *bo)  in fd_bo_del()  argument
283 	struct fd_device *dev = bo->dev;  in fd_bo_del()
285 	if (!atomic_dec_and_test(&bo->refcnt))  in fd_bo_del()
288 	if (bo->fd) {  in fd_bo_del()
289 		close(bo->fd);  in fd_bo_del()
290 		bo->fd = 0;  in fd_bo_del()
295 	if (bo->bo_reuse) {  in fd_bo_del()
296 		struct fd_bo_bucket *bucket = get_bucket(dev, bo->size);  in fd_bo_del()
304 			bo->free_time = time.tv_sec;  in fd_bo_del()
305 			list_addtail(&bo->list, &bucket->list);  in fd_bo_del()
316 	bo_del(bo);  in fd_bo_del()
323 static void bo_del(struct fd_bo *bo)  in bo_del()  argument
325 	if (bo->map)  in bo_del()
326 		drm_munmap(bo->map, bo->size);  in bo_del()
332 	if (bo->handle) {  in bo_del()
334 				.handle = bo->handle,  in bo_del()
336 		drmHashDelete(bo->dev->handle_table, bo->handle);  in bo_del()
337 		if (bo->name)  in bo_del()
338 			drmHashDelete(bo->dev->name_table, bo->name);  in bo_del()
339 		drmIoctl(bo->dev->fd, DRM_IOCTL_GEM_CLOSE, &req);  in bo_del()
342 	bo->funcs->destroy(bo);  in bo_del()
345 drm_public int fd_bo_get_name(struct fd_bo *bo, uint32_t *name)  in fd_bo_get_name()  argument
347 	if (!bo->name) {  in fd_bo_get_name()
349 				.handle = bo->handle,  in fd_bo_get_name()
353 		ret = drmIoctl(bo->dev->fd, DRM_IOCTL_GEM_FLINK, &req);  in fd_bo_get_name()
359 		set_name(bo, req.name);  in fd_bo_get_name()
363 	*name = bo->name;  in fd_bo_get_name()
368 drm_public uint32_t fd_bo_handle(struct fd_bo *bo)  in fd_bo_handle()  argument
370 	return bo->handle;  in fd_bo_handle()
373 drm_public int fd_bo_dmabuf(struct fd_bo *bo)  in fd_bo_dmabuf()  argument
375 	if (!bo->fd) {  in fd_bo_dmabuf()
377 				.handle = bo->handle,  in fd_bo_dmabuf()
382 		ret = drmIoctl(bo->dev->fd, DRM_IOCTL_PRIME_HANDLE_TO_FD, &req);  in fd_bo_dmabuf()
387 		bo->fd = req.fd;  in fd_bo_dmabuf()
389 	return dup(bo->fd);  in fd_bo_dmabuf()
392 drm_public uint32_t fd_bo_size(struct fd_bo *bo)  in fd_bo_size()  argument
394 	return bo->size;  in fd_bo_size()
397 drm_public void * fd_bo_map(struct fd_bo *bo)  in fd_bo_map()  argument
399 	if (!bo->map) {  in fd_bo_map()
403 		ret = bo->funcs->offset(bo, &offset);  in fd_bo_map()
408 		bo->map = drm_mmap(0, bo->size, PROT_READ | PROT_WRITE, MAP_SHARED,  in fd_bo_map()
409 				bo->dev->fd, offset);  in fd_bo_map()
410 		if (bo->map == MAP_FAILED) {  in fd_bo_map()
412 			bo->map = NULL;  in fd_bo_map()
415 	return bo->map;  in fd_bo_map()
419 drm_public int fd_bo_cpu_prep(struct fd_bo *bo, struct fd_pipe *pipe, uint32_t op)  in fd_bo_cpu_prep()  argument
421 	return bo->funcs->cpu_prep(bo, pipe, op);  in fd_bo_cpu_prep()
424 drm_public void fd_bo_cpu_fini(struct fd_bo *bo)  in fd_bo_cpu_fini()  argument
426 	bo->funcs->cpu_fini(bo);  in fd_bo_cpu_fini()