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_BINDER_H 20 #define _UAPI_LINUX_BINDER_H 21 #include <linux/types.h> 22 #include <linux/ioctl.h> 23 #define B_PACK_CHARS(c1,c2,c3,c4) ((((c1) << 24)) | (((c2) << 16)) | (((c3) << 8)) | (c4)) 24 #define B_TYPE_LARGE 0x85 25 enum { 26 BINDER_TYPE_BINDER = B_PACK_CHARS('s', 'b', '*', B_TYPE_LARGE), 27 BINDER_TYPE_WEAK_BINDER = B_PACK_CHARS('w', 'b', '*', B_TYPE_LARGE), 28 BINDER_TYPE_HANDLE = B_PACK_CHARS('s', 'h', '*', B_TYPE_LARGE), 29 BINDER_TYPE_WEAK_HANDLE = B_PACK_CHARS('w', 'h', '*', B_TYPE_LARGE), 30 BINDER_TYPE_FD = B_PACK_CHARS('f', 'd', '*', B_TYPE_LARGE), 31 }; 32 enum { 33 FLAT_BINDER_FLAG_PRIORITY_MASK = 0xff, 34 FLAT_BINDER_FLAG_ACCEPTS_FDS = 0x100, 35 }; 36 #ifdef BINDER_IPC_32BIT 37 typedef __u32 binder_size_t; 38 typedef __u32 binder_uintptr_t; 39 #else 40 typedef __u64 binder_size_t; 41 typedef __u64 binder_uintptr_t; 42 #endif 43 struct flat_binder_object { 44 __u32 type; 45 __u32 flags; 46 union { 47 binder_uintptr_t binder; 48 __u32 handle; 49 }; 50 binder_uintptr_t cookie; 51 }; 52 struct binder_write_read { 53 binder_size_t write_size; 54 binder_size_t write_consumed; 55 binder_uintptr_t write_buffer; 56 binder_size_t read_size; 57 binder_size_t read_consumed; 58 binder_uintptr_t read_buffer; 59 }; 60 struct binder_version { 61 __s32 protocol_version; 62 }; 63 #ifdef BINDER_IPC_32BIT 64 #define BINDER_CURRENT_PROTOCOL_VERSION 7 65 #else 66 #define BINDER_CURRENT_PROTOCOL_VERSION 8 67 #endif 68 #define BINDER_WRITE_READ _IOWR('b', 1, struct binder_write_read) 69 #define BINDER_SET_IDLE_TIMEOUT _IOW('b', 3, __s64) 70 #define BINDER_SET_MAX_THREADS _IOW('b', 5, __u32) 71 #define BINDER_SET_IDLE_PRIORITY _IOW('b', 6, __s32) 72 #define BINDER_SET_CONTEXT_MGR _IOW('b', 7, __s32) 73 #define BINDER_THREAD_EXIT _IOW('b', 8, __s32) 74 #define BINDER_VERSION _IOWR('b', 9, struct binder_version) 75 enum transaction_flags { 76 TF_ONE_WAY = 0x01, 77 TF_ROOT_OBJECT = 0x04, 78 TF_STATUS_CODE = 0x08, 79 TF_ACCEPT_FDS = 0x10, 80 }; 81 struct binder_transaction_data { 82 union { 83 __u32 handle; 84 binder_uintptr_t ptr; 85 } target; 86 binder_uintptr_t cookie; 87 __u32 code; 88 __u32 flags; 89 pid_t sender_pid; 90 uid_t sender_euid; 91 binder_size_t data_size; 92 binder_size_t offsets_size; 93 union { 94 struct { 95 binder_uintptr_t buffer; 96 binder_uintptr_t offsets; 97 } ptr; 98 __u8 buf[8]; 99 } data; 100 }; 101 struct binder_ptr_cookie { 102 binder_uintptr_t ptr; 103 binder_uintptr_t cookie; 104 }; 105 struct binder_handle_cookie { 106 __u32 handle; 107 binder_uintptr_t cookie; 108 } __packed; 109 struct binder_pri_desc { 110 __s32 priority; 111 __u32 desc; 112 }; 113 struct binder_pri_ptr_cookie { 114 __s32 priority; 115 binder_uintptr_t ptr; 116 binder_uintptr_t cookie; 117 }; 118 enum binder_driver_return_protocol { 119 BR_ERROR = _IOR('r', 0, __s32), 120 BR_OK = _IO('r', 1), 121 BR_TRANSACTION = _IOR('r', 2, struct binder_transaction_data), 122 BR_REPLY = _IOR('r', 3, struct binder_transaction_data), 123 BR_ACQUIRE_RESULT = _IOR('r', 4, __s32), 124 BR_DEAD_REPLY = _IO('r', 5), 125 BR_TRANSACTION_COMPLETE = _IO('r', 6), 126 BR_INCREFS = _IOR('r', 7, struct binder_ptr_cookie), 127 BR_ACQUIRE = _IOR('r', 8, struct binder_ptr_cookie), 128 BR_RELEASE = _IOR('r', 9, struct binder_ptr_cookie), 129 BR_DECREFS = _IOR('r', 10, struct binder_ptr_cookie), 130 BR_ATTEMPT_ACQUIRE = _IOR('r', 11, struct binder_pri_ptr_cookie), 131 BR_NOOP = _IO('r', 12), 132 BR_SPAWN_LOOPER = _IO('r', 13), 133 BR_FINISHED = _IO('r', 14), 134 BR_DEAD_BINDER = _IOR('r', 15, binder_uintptr_t), 135 BR_CLEAR_DEATH_NOTIFICATION_DONE = _IOR('r', 16, binder_uintptr_t), 136 BR_FAILED_REPLY = _IO('r', 17), 137 }; 138 enum binder_driver_command_protocol { 139 BC_TRANSACTION = _IOW('c', 0, struct binder_transaction_data), 140 BC_REPLY = _IOW('c', 1, struct binder_transaction_data), 141 BC_ACQUIRE_RESULT = _IOW('c', 2, __s32), 142 BC_FREE_BUFFER = _IOW('c', 3, binder_uintptr_t), 143 BC_INCREFS = _IOW('c', 4, __u32), 144 BC_ACQUIRE = _IOW('c', 5, __u32), 145 BC_RELEASE = _IOW('c', 6, __u32), 146 BC_DECREFS = _IOW('c', 7, __u32), 147 BC_INCREFS_DONE = _IOW('c', 8, struct binder_ptr_cookie), 148 BC_ACQUIRE_DONE = _IOW('c', 9, struct binder_ptr_cookie), 149 BC_ATTEMPT_ACQUIRE = _IOW('c', 10, struct binder_pri_desc), 150 BC_REGISTER_LOOPER = _IO('c', 11), 151 BC_ENTER_LOOPER = _IO('c', 12), 152 BC_EXIT_LOOPER = _IO('c', 13), 153 BC_REQUEST_DEATH_NOTIFICATION = _IOW('c', 14, struct binder_handle_cookie), 154 BC_CLEAR_DEATH_NOTIFICATION = _IOW('c', 15, struct binder_handle_cookie), 155 BC_DEAD_BINDER_DONE = _IOW('c', 16, binder_uintptr_t), 156 }; 157 #endif 158