14 mem_alloc_bo(struct vugbm_buffer *buf)  in mem_alloc_bo()  argument
16     buf->mmap = g_malloc(buf->width * buf->height * 4);  in mem_alloc_bo()
17     buf->stride = buf->width * 4;  in mem_alloc_bo()
22 mem_free_bo(struct vugbm_buffer *buf)  in mem_free_bo()  argument
24     g_free(buf->mmap);  in mem_free_bo()
28 mem_map_bo(struct vugbm_buffer *buf)  in mem_map_bo()  argument
30     return buf->mmap != NULL;  in mem_map_bo()
34 mem_unmap_bo(struct vugbm_buffer *buf)  in mem_unmap_bo()  argument
54 udmabuf_get_size(struct vugbm_buffer *buf)  in udmabuf_get_size()  argument
56     return ROUND_UP(buf->width * buf->height * 4, qemu_real_host_page_size());  in udmabuf_get_size()
60 udmabuf_alloc_bo(struct vugbm_buffer *buf)  in udmabuf_alloc_bo()  argument
64     buf->memfd = memfd_create("udmabuf-bo", MFD_ALLOW_SEALING);  in udmabuf_alloc_bo()
65     if (buf->memfd < 0) {  in udmabuf_alloc_bo()
69     ret = ftruncate(buf->memfd, udmabuf_get_size(buf));  in udmabuf_alloc_bo()
71         close(buf->memfd);  in udmabuf_alloc_bo()
75     ret = fcntl(buf->memfd, F_ADD_SEALS, F_SEAL_SHRINK);  in udmabuf_alloc_bo()
77         close(buf->memfd);  in udmabuf_alloc_bo()
81     buf->stride = buf->width * 4;  in udmabuf_alloc_bo()
87 udmabuf_free_bo(struct vugbm_buffer *buf)  in udmabuf_free_bo()  argument
89     close(buf->memfd);  in udmabuf_free_bo()
93 udmabuf_map_bo(struct vugbm_buffer *buf)  in udmabuf_map_bo()  argument
95     buf->mmap = mmap(NULL, udmabuf_get_size(buf),  in udmabuf_map_bo()
96                      PROT_READ | PROT_WRITE, MAP_SHARED, buf->memfd, 0);  in udmabuf_map_bo()
97     if (buf->mmap == MAP_FAILED) {  in udmabuf_map_bo()
105 udmabuf_get_fd(struct vugbm_buffer *buf, int *fd)  in udmabuf_get_fd()  argument
108         .memfd = buf->memfd,  in udmabuf_get_fd()
110         .size = udmabuf_get_size(buf),  in udmabuf_get_fd()
113     *fd = ioctl(buf->dev->fd, UDMABUF_CREATE, &create);  in udmabuf_get_fd()
119 udmabuf_unmap_bo(struct vugbm_buffer *buf)  in udmabuf_unmap_bo()  argument
121     munmap(buf->mmap, udmabuf_get_size(buf));  in udmabuf_unmap_bo()
133 alloc_bo(struct vugbm_buffer *buf)  in alloc_bo()  argument
135     struct gbm_device *dev = buf->dev->dev;  in alloc_bo()
137     assert(!buf->bo);  in alloc_bo()
139     buf->bo = gbm_bo_create(dev, buf->width, buf->height,  in alloc_bo()
140                             buf->format,  in alloc_bo()
143     if (buf->bo) {  in alloc_bo()
144         buf->stride = gbm_bo_get_stride(buf->bo);  in alloc_bo()
152 free_bo(struct vugbm_buffer *buf)  in free_bo()  argument
154     gbm_bo_destroy(buf->bo);  in free_bo()
158 map_bo(struct vugbm_buffer *buf)  in map_bo()  argument
162     buf->mmap = gbm_bo_map(buf->bo, 0, 0, buf->width, buf->height,  in map_bo()
164                            &buf->mmap_data);  in map_bo()
166     assert(stride == buf->stride);  in map_bo()
168     return buf->mmap != NULL;  in map_bo()
172 unmap_bo(struct vugbm_buffer *buf)  in unmap_bo()  argument
174     gbm_bo_unmap(buf->bo, buf->mmap_data);  in unmap_bo()
178 get_fd(struct vugbm_buffer *buf, int *fd)  in get_fd()  argument
180     *fd = gbm_bo_get_fd(buf->bo);  in get_fd()
250 vugbm_buffer_map(struct vugbm_buffer *buf)  in vugbm_buffer_map()  argument
252     struct vugbm_device *dev = buf->dev;  in vugbm_buffer_map()
254     return dev->map_bo(buf);  in vugbm_buffer_map()
258 vugbm_buffer_unmap(struct vugbm_buffer *buf)  in vugbm_buffer_unmap()  argument
260     struct vugbm_device *dev = buf->dev;  in vugbm_buffer_unmap()
262     dev->unmap_bo(buf);  in vugbm_buffer_unmap()