1 /**************************************************************************** 2 **************************************************************************** 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 *** To edit the content of this header, modify the corresponding 11 *** source file (e.g. under external/kernel-headers/original/) then 12 *** run bionic/libc/kernel/tools/update_all.py 13 *** 14 *** Any manual change here will be lost the next time this script will 15 *** be run. You've been warned! 16 *** 17 **************************************************************************** 18 ****************************************************************************/ 19 #ifndef _UAPI_LINUX_ION_H 20 #define _UAPI_LINUX_ION_H 21 #include <linux/ioctl.h> 22 #include <linux/types.h> 23 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 24 typedef int ion_user_handle_t; 25 enum ion_heap_type { 26 ION_HEAP_TYPE_SYSTEM, 27 ION_HEAP_TYPE_SYSTEM_CONTIG, 28 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 29 ION_HEAP_TYPE_CARVEOUT, 30 ION_HEAP_TYPE_CHUNK, 31 ION_HEAP_TYPE_DMA, 32 ION_HEAP_TYPE_CUSTOM, 33 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 34 }; 35 #define ION_NUM_HEAP_IDS (sizeof(unsigned int) * 8) 36 #define ION_FLAG_CACHED 1 37 #define ION_FLAG_CACHED_NEEDS_SYNC 2 38 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 39 struct ion_allocation_data { 40 size_t len; 41 size_t align; 42 unsigned int heap_id_mask; 43 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 44 unsigned int flags; 45 ion_user_handle_t handle; 46 }; 47 struct ion_fd_data { 48 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 49 ion_user_handle_t handle; 50 int fd; 51 }; 52 struct ion_handle_data { 53 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 54 ion_user_handle_t handle; 55 }; 56 struct ion_custom_data { 57 unsigned int cmd; 58 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 59 unsigned long arg; 60 }; 61 #define MAX_HEAP_NAME 32 62 struct ion_heap_data { 63 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 64 char name[MAX_HEAP_NAME]; 65 __u32 type; 66 __u32 heap_id; 67 __u32 reserved0; 68 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 69 __u32 reserved1; 70 __u32 reserved2; 71 }; 72 struct ion_heap_query { 73 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 74 __u32 cnt; 75 __u32 reserved0; 76 __u64 heaps; 77 __u32 reserved1; 78 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 79 __u32 reserved2; 80 }; 81 #define ION_IOC_MAGIC 'I' 82 #define ION_IOC_ALLOC _IOWR(ION_IOC_MAGIC, 0, struct ion_allocation_data) 83 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 84 #define ION_IOC_FREE _IOWR(ION_IOC_MAGIC, 1, struct ion_handle_data) 85 #define ION_IOC_MAP _IOWR(ION_IOC_MAGIC, 2, struct ion_fd_data) 86 #define ION_IOC_SHARE _IOWR(ION_IOC_MAGIC, 4, struct ion_fd_data) 87 #define ION_IOC_IMPORT _IOWR(ION_IOC_MAGIC, 5, struct ion_fd_data) 88 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 89 #define ION_IOC_SYNC _IOWR(ION_IOC_MAGIC, 7, struct ion_fd_data) 90 #define ION_IOC_CUSTOM _IOWR(ION_IOC_MAGIC, 6, struct ion_custom_data) 91 #define ION_IOC_HEAP_QUERY _IOWR(ION_IOC_MAGIC, 8, struct ion_heap_query) 92 #endif 93 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 94