1 /* Copied from libion: 2 * https://android.googlesource.com/platform/system/memory/libion/ 3 * 4 * This header was automatically generated from a Linux kernel header 5 * of the same name, to make information necessary for userspace to 6 * call into the kernel available to libc. It contains only constants, 7 * structures, and macros generated from the original header, and thus, 8 * contains no copyrightable information. 9 */ 10 11 #ifndef _UAPI_LINUX_ION_H 12 #define _UAPI_LINUX_ION_H 13 #include <linux/ioctl.h> 14 #include <linux/types.h> 15 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 16 typedef int ion_user_handle_t; 17 enum ion_heap_type { 18 ION_HEAP_TYPE_SYSTEM, 19 ION_HEAP_TYPE_SYSTEM_CONTIG, 20 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 21 ION_HEAP_TYPE_CARVEOUT, 22 ION_HEAP_TYPE_CHUNK, 23 ION_HEAP_TYPE_DMA, 24 ION_HEAP_TYPE_CUSTOM, 25 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 26 ION_NUM_HEAPS = 16, 27 }; 28 #define ION_HEAP_SYSTEM_MASK (1 << ION_HEAP_TYPE_SYSTEM) 29 #define ION_HEAP_SYSTEM_CONTIG_MASK (1 << ION_HEAP_TYPE_SYSTEM_CONTIG) 30 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 31 #define ION_HEAP_CARVEOUT_MASK (1 << ION_HEAP_TYPE_CARVEOUT) 32 #define ION_HEAP_TYPE_DMA_MASK (1 << ION_HEAP_TYPE_DMA) 33 #define ION_NUM_HEAP_IDS (sizeof(unsigned int) * 8) 34 #define ION_FLAG_CACHED 1 35 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 36 #define ION_FLAG_CACHED_NEEDS_SYNC 2 37 struct ion_allocation_data { 38 size_t len; 39 size_t align; 40 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 41 unsigned int heap_id_mask; 42 unsigned int flags; 43 ion_user_handle_t handle; 44 }; 45 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 46 struct ion_fd_data { 47 ion_user_handle_t handle; 48 int fd; 49 }; 50 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 51 struct ion_handle_data { 52 ion_user_handle_t handle; 53 }; 54 struct ion_custom_data { 55 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 56 unsigned int cmd; 57 unsigned long arg; 58 }; 59 #define ION_IOC_MAGIC 'I' 60 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 61 #define ION_IOC_ALLOC _IOWR(ION_IOC_MAGIC, 0, struct ion_allocation_data) 62 #define ION_IOC_FREE _IOWR(ION_IOC_MAGIC, 1, struct ion_handle_data) 63 #define ION_IOC_MAP _IOWR(ION_IOC_MAGIC, 2, struct ion_fd_data) 64 #define ION_IOC_SHARE _IOWR(ION_IOC_MAGIC, 4, struct ion_fd_data) 65 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 66 #define ION_IOC_IMPORT _IOWR(ION_IOC_MAGIC, 5, struct ion_fd_data) 67 #define ION_IOC_SYNC _IOWR(ION_IOC_MAGIC, 7, struct ion_fd_data) 68 #define ION_IOC_CUSTOM _IOWR(ION_IOC_MAGIC, 6, struct ion_custom_data) 69 #endif 70 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 71