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 BINDER_TYPE_FDA = B_PACK_CHARS('f', 'd', 'a', B_TYPE_LARGE), 32 BINDER_TYPE_PTR = B_PACK_CHARS('p', 't', '*', B_TYPE_LARGE), 33 }; 34 enum { 35 FLAT_BINDER_FLAG_PRIORITY_MASK = 0xff, 36 FLAT_BINDER_FLAG_ACCEPTS_FDS = 0x100, 37 }; 38 #ifdef BINDER_IPC_32BIT 39 typedef __u32 binder_size_t; 40 typedef __u32 binder_uintptr_t; 41 #else 42 typedef __u64 binder_size_t; 43 typedef __u64 binder_uintptr_t; 44 #endif 45 struct binder_object_header { 46 __u32 type; 47 }; 48 struct flat_binder_object { 49 struct binder_object_header hdr; 50 __u32 flags; 51 union { 52 binder_uintptr_t binder; 53 __u32 handle; 54 }; 55 binder_uintptr_t cookie; 56 }; 57 struct binder_fd_object { 58 struct binder_object_header hdr; 59 __u32 pad_flags; 60 union { 61 binder_uintptr_t pad_binder; 62 __u32 fd; 63 }; 64 binder_uintptr_t cookie; 65 }; 66 struct binder_buffer_object { 67 struct binder_object_header hdr; 68 __u32 flags; 69 binder_uintptr_t buffer; 70 binder_size_t length; 71 binder_size_t parent; 72 binder_size_t parent_offset; 73 }; 74 enum { 75 BINDER_BUFFER_FLAG_HAS_PARENT = 0x01, 76 }; 77 struct binder_fd_array_object { 78 struct binder_object_header hdr; 79 __u32 pad; 80 binder_size_t num_fds; 81 binder_size_t parent; 82 binder_size_t parent_offset; 83 }; 84 struct binder_write_read { 85 binder_size_t write_size; 86 binder_size_t write_consumed; 87 binder_uintptr_t write_buffer; 88 binder_size_t read_size; 89 binder_size_t read_consumed; 90 binder_uintptr_t read_buffer; 91 }; 92 struct binder_version { 93 __s32 protocol_version; 94 }; 95 #ifdef BINDER_IPC_32BIT 96 #define BINDER_CURRENT_PROTOCOL_VERSION 7 97 #else 98 #define BINDER_CURRENT_PROTOCOL_VERSION 8 99 #endif 100 struct binder_node_debug_info { 101 binder_uintptr_t ptr; 102 binder_uintptr_t cookie; 103 __u32 has_strong_ref; 104 __u32 has_weak_ref; 105 }; 106 #define BINDER_WRITE_READ _IOWR('b', 1, struct binder_write_read) 107 #define BINDER_SET_IDLE_TIMEOUT _IOW('b', 3, __s64) 108 #define BINDER_SET_MAX_THREADS _IOW('b', 5, __u32) 109 #define BINDER_SET_IDLE_PRIORITY _IOW('b', 6, __s32) 110 #define BINDER_SET_CONTEXT_MGR _IOW('b', 7, __s32) 111 #define BINDER_THREAD_EXIT _IOW('b', 8, __s32) 112 #define BINDER_VERSION _IOWR('b', 9, struct binder_version) 113 #define BINDER_GET_NODE_DEBUG_INFO _IOWR('b', 11, struct binder_node_debug_info) 114 enum transaction_flags { 115 TF_ONE_WAY = 0x01, 116 TF_ROOT_OBJECT = 0x04, 117 TF_STATUS_CODE = 0x08, 118 TF_ACCEPT_FDS = 0x10, 119 }; 120 struct binder_transaction_data { 121 union { 122 __u32 handle; 123 binder_uintptr_t ptr; 124 } target; 125 binder_uintptr_t cookie; 126 __u32 code; 127 __u32 flags; 128 pid_t sender_pid; 129 uid_t sender_euid; 130 binder_size_t data_size; 131 binder_size_t offsets_size; 132 union { 133 struct { 134 binder_uintptr_t buffer; 135 binder_uintptr_t offsets; 136 } ptr; 137 __u8 buf[8]; 138 } data; 139 }; 140 struct binder_transaction_data_sg { 141 struct binder_transaction_data transaction_data; 142 binder_size_t buffers_size; 143 }; 144 struct binder_ptr_cookie { 145 binder_uintptr_t ptr; 146 binder_uintptr_t cookie; 147 }; 148 struct binder_handle_cookie { 149 __u32 handle; 150 binder_uintptr_t cookie; 151 } __packed; 152 struct binder_pri_desc { 153 __s32 priority; 154 __u32 desc; 155 }; 156 struct binder_pri_ptr_cookie { 157 __s32 priority; 158 binder_uintptr_t ptr; 159 binder_uintptr_t cookie; 160 }; 161 enum binder_driver_return_protocol { 162 BR_ERROR = _IOR('r', 0, __s32), 163 BR_OK = _IO('r', 1), 164 BR_TRANSACTION = _IOR('r', 2, struct binder_transaction_data), 165 BR_REPLY = _IOR('r', 3, struct binder_transaction_data), 166 BR_ACQUIRE_RESULT = _IOR('r', 4, __s32), 167 BR_DEAD_REPLY = _IO('r', 5), 168 BR_TRANSACTION_COMPLETE = _IO('r', 6), 169 BR_INCREFS = _IOR('r', 7, struct binder_ptr_cookie), 170 BR_ACQUIRE = _IOR('r', 8, struct binder_ptr_cookie), 171 BR_RELEASE = _IOR('r', 9, struct binder_ptr_cookie), 172 BR_DECREFS = _IOR('r', 10, struct binder_ptr_cookie), 173 BR_ATTEMPT_ACQUIRE = _IOR('r', 11, struct binder_pri_ptr_cookie), 174 BR_NOOP = _IO('r', 12), 175 BR_SPAWN_LOOPER = _IO('r', 13), 176 BR_FINISHED = _IO('r', 14), 177 BR_DEAD_BINDER = _IOR('r', 15, binder_uintptr_t), 178 BR_CLEAR_DEATH_NOTIFICATION_DONE = _IOR('r', 16, binder_uintptr_t), 179 BR_FAILED_REPLY = _IO('r', 17), 180 }; 181 enum binder_driver_command_protocol { 182 BC_TRANSACTION = _IOW('c', 0, struct binder_transaction_data), 183 BC_REPLY = _IOW('c', 1, struct binder_transaction_data), 184 BC_ACQUIRE_RESULT = _IOW('c', 2, __s32), 185 BC_FREE_BUFFER = _IOW('c', 3, binder_uintptr_t), 186 BC_INCREFS = _IOW('c', 4, __u32), 187 BC_ACQUIRE = _IOW('c', 5, __u32), 188 BC_RELEASE = _IOW('c', 6, __u32), 189 BC_DECREFS = _IOW('c', 7, __u32), 190 BC_INCREFS_DONE = _IOW('c', 8, struct binder_ptr_cookie), 191 BC_ACQUIRE_DONE = _IOW('c', 9, struct binder_ptr_cookie), 192 BC_ATTEMPT_ACQUIRE = _IOW('c', 10, struct binder_pri_desc), 193 BC_REGISTER_LOOPER = _IO('c', 11), 194 BC_ENTER_LOOPER = _IO('c', 12), 195 BC_EXIT_LOOPER = _IO('c', 13), 196 BC_REQUEST_DEATH_NOTIFICATION = _IOW('c', 14, struct binder_handle_cookie), 197 BC_CLEAR_DEATH_NOTIFICATION = _IOW('c', 15, struct binder_handle_cookie), 198 BC_DEAD_BINDER_DONE = _IOW('c', 16, binder_uintptr_t), 199 BC_TRANSACTION_SG = _IOW('c', 17, struct binder_transaction_data_sg), 200 BC_REPLY_SG = _IOW('c', 18, struct binder_transaction_data_sg), 201 }; 202 #endif 203
