44 int ion_is_legacy(int fd) {  in ion_is_legacy()  argument
51         int err = ion_free(fd, (ion_user_handle_t)NULL);  in ion_is_legacy()
59     int fd = open("/dev/ion", O_RDONLY | O_CLOEXEC);  in ion_open()  local
60     if (fd < 0) ALOGE("open /dev/ion failed: %s", strerror(errno));  in ion_open()
62     return fd;  in ion_open()
65 int ion_close(int fd) {  in ion_close()  argument
66     int ret = close(fd);  in ion_close()
71 static int ion_ioctl(int fd, int req, void* arg) {  in ion_ioctl()  argument
72     int ret = ioctl(fd, req, arg);  in ion_ioctl()
80 int ion_is_using_modular_heaps(int fd) {  in ion_is_using_modular_heaps()  argument
84     ret = ion_ioctl(fd, ION_IOC_ABI_VERSION, &ion_abi_version);  in ion_is_using_modular_heaps()
88 int ion_alloc(int fd, size_t len, size_t align, unsigned int heap_mask, unsigned int flags,  in ion_alloc()  argument
92     if ((handle == NULL) || (!ion_is_legacy(fd))) return -EINVAL;  in ion_alloc()
98     ret = ion_ioctl(fd, ION_IOC_ALLOC, &data);  in ion_alloc()
106 int ion_free(int fd, ion_user_handle_t handle) {  in ion_free()  argument
110     return ion_ioctl(fd, ION_IOC_FREE, &data);  in ion_free()
113 int ion_map(int fd, ion_user_handle_t handle, size_t length, int prot, int flags, off_t offset,  in ion_map()  argument
115     if (!ion_is_legacy(fd)) return -EINVAL;  in ion_map()
125     ret = ion_ioctl(fd, ION_IOC_MAP, &data);  in ion_map()
127     if (data.fd < 0) {  in ion_map()
131     tmp_ptr = mmap(NULL, length, prot, flags, data.fd, offset);  in ion_map()
136     *map_fd = data.fd;  in ion_map()
141 int ion_share(int fd, ion_user_handle_t handle, int* share_fd) {  in ion_share()  argument
147     if (!ion_is_legacy(fd)) return -EINVAL;  in ion_share()
150     ret = ion_ioctl(fd, ION_IOC_SHARE, &data);  in ion_share()
152     if (data.fd < 0) {  in ion_share()
156     *share_fd = data.fd;  in ion_share()
160 int ion_alloc_fd(int fd, size_t len, size_t align, unsigned int heap_mask, unsigned int flags,  in ion_alloc_fd()  argument
167     if (!ion_is_legacy(fd)) {  in ion_alloc_fd()
174         ret = ion_ioctl(fd, ION_IOC_NEW_ALLOC, &data);  in ion_alloc_fd()
176         *handle_fd = data.fd;  in ion_alloc_fd()
178         ret = ion_alloc(fd, len, align, heap_mask, flags, &handle);  in ion_alloc_fd()
180         ret = ion_share(fd, handle, handle_fd);  in ion_alloc_fd()
181         ion_free(fd, handle);  in ion_alloc_fd()
186 int ion_import(int fd, int share_fd, ion_user_handle_t* handle) {  in ion_import()  argument
189         .fd = share_fd,  in ion_import()
192     if (!ion_is_legacy(fd)) return -EINVAL;  in ion_import()
196     ret = ion_ioctl(fd, ION_IOC_IMPORT, &data);  in ion_import()
202 int ion_sync_fd(int fd, int handle_fd) {  in ion_sync_fd()  argument
204         .fd = handle_fd,  in ion_sync_fd()
207     if (!ion_is_legacy(fd)) return -EINVAL;  in ion_sync_fd()
209     return ion_ioctl(fd, ION_IOC_SYNC, &data);  in ion_sync_fd()
212 int ion_query_heap_cnt(int fd, int* cnt) {  in ion_query_heap_cnt()  argument
219     ret = ion_ioctl(fd, ION_IOC_HEAP_QUERY, &query);  in ion_query_heap_cnt()
226 int ion_query_get_heaps(int fd, int cnt, void* buffers) {  in ion_query_get_heaps()  argument
232     ret = ion_ioctl(fd, ION_IOC_HEAP_QUERY, &query);  in ion_query_get_heaps()