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 FLAT_BINDER_FLAG_TXN_SECURITY_CTX = 0x1000, 38 }; 39 #ifdef BINDER_IPC_32BIT 40 typedef __u32 binder_size_t; 41 typedef __u32 binder_uintptr_t; 42 #else 43 typedef __u64 binder_size_t; 44 typedef __u64 binder_uintptr_t; 45 #endif 46 struct binder_object_header { 47 __u32 type; 48 }; 49 struct flat_binder_object { 50 struct binder_object_header hdr; 51 __u32 flags; 52 union { 53 binder_uintptr_t binder; 54 __u32 handle; 55 }; 56 binder_uintptr_t cookie; 57 }; 58 struct binder_fd_object { 59 struct binder_object_header hdr; 60 __u32 pad_flags; 61 union { 62 binder_uintptr_t pad_binder; 63 __u32 fd; 64 }; 65 binder_uintptr_t cookie; 66 }; 67 struct binder_buffer_object { 68 struct binder_object_header hdr; 69 __u32 flags; 70 binder_uintptr_t buffer; 71 binder_size_t length; 72 binder_size_t parent; 73 binder_size_t parent_offset; 74 }; 75 enum { 76 BINDER_BUFFER_FLAG_HAS_PARENT = 0x01, 77 }; 78 struct binder_fd_array_object { 79 struct binder_object_header hdr; 80 __u32 pad; 81 binder_size_t num_fds; 82 binder_size_t parent; 83 binder_size_t parent_offset; 84 }; 85 struct binder_write_read { 86 binder_size_t write_size; 87 binder_size_t write_consumed; 88 binder_uintptr_t write_buffer; 89 binder_size_t read_size; 90 binder_size_t read_consumed; 91 binder_uintptr_t read_buffer; 92 }; 93 struct binder_version { 94 __s32 protocol_version; 95 }; 96 #ifdef BINDER_IPC_32BIT 97 #define BINDER_CURRENT_PROTOCOL_VERSION 7 98 #else 99 #define BINDER_CURRENT_PROTOCOL_VERSION 8 100 #endif 101 struct binder_node_debug_info { 102 binder_uintptr_t ptr; 103 binder_uintptr_t cookie; 104 __u32 has_strong_ref; 105 __u32 has_weak_ref; 106 }; 107 struct binder_node_info_for_ref { 108 __u32 handle; 109 __u32 strong_count; 110 __u32 weak_count; 111 __u32 reserved1; 112 __u32 reserved2; 113 __u32 reserved3; 114 }; 115 #define BINDER_WRITE_READ _IOWR('b', 1, struct binder_write_read) 116 #define BINDER_SET_IDLE_TIMEOUT _IOW('b', 3, __s64) 117 #define BINDER_SET_MAX_THREADS _IOW('b', 5, __u32) 118 #define BINDER_SET_IDLE_PRIORITY _IOW('b', 6, __s32) 119 #define BINDER_SET_CONTEXT_MGR _IOW('b', 7, __s32) 120 #define BINDER_THREAD_EXIT _IOW('b', 8, __s32) 121 #define BINDER_VERSION _IOWR('b', 9, struct binder_version) 122 #define BINDER_GET_NODE_DEBUG_INFO _IOWR('b', 11, struct binder_node_debug_info) 123 #define BINDER_GET_NODE_INFO_FOR_REF _IOWR('b', 12, struct binder_node_info_for_ref) 124 #define BINDER_SET_CONTEXT_MGR_EXT _IOW('b', 13, struct flat_binder_object) 125 enum transaction_flags { 126 TF_ONE_WAY = 0x01, 127 TF_ROOT_OBJECT = 0x04, 128 TF_STATUS_CODE = 0x08, 129 TF_ACCEPT_FDS = 0x10, 130 }; 131 struct binder_transaction_data { 132 union { 133 __u32 handle; 134 binder_uintptr_t ptr; 135 } target; 136 binder_uintptr_t cookie; 137 __u32 code; 138 __u32 flags; 139 pid_t sender_pid; 140 uid_t sender_euid; 141 binder_size_t data_size; 142 binder_size_t offsets_size; 143 union { 144 struct { 145 binder_uintptr_t buffer; 146 binder_uintptr_t offsets; 147 } ptr; 148 __u8 buf[8]; 149 } data; 150 }; 151 struct binder_transaction_data_secctx { 152 struct binder_transaction_data transaction_data; 153 binder_uintptr_t secctx; 154 }; 155 struct binder_transaction_data_sg { 156 struct binder_transaction_data transaction_data; 157 binder_size_t buffers_size; 158 }; 159 struct binder_ptr_cookie { 160 binder_uintptr_t ptr; 161 binder_uintptr_t cookie; 162 }; 163 struct binder_handle_cookie { 164 __u32 handle; 165 binder_uintptr_t cookie; 166 } __packed; 167 struct binder_pri_desc { 168 __s32 priority; 169 __u32 desc; 170 }; 171 struct binder_pri_ptr_cookie { 172 __s32 priority; 173 binder_uintptr_t ptr; 174 binder_uintptr_t cookie; 175 }; 176 enum binder_driver_return_protocol { 177 BR_ERROR = _IOR('r', 0, __s32), 178 BR_OK = _IO('r', 1), 179 BR_TRANSACTION_SEC_CTX = _IOR('r', 2, struct binder_transaction_data_secctx), 180 BR_TRANSACTION = _IOR('r', 2, struct binder_transaction_data), 181 BR_REPLY = _IOR('r', 3, struct binder_transaction_data), 182 BR_ACQUIRE_RESULT = _IOR('r', 4, __s32), 183 BR_DEAD_REPLY = _IO('r', 5), 184 BR_TRANSACTION_COMPLETE = _IO('r', 6), 185 BR_INCREFS = _IOR('r', 7, struct binder_ptr_cookie), 186 BR_ACQUIRE = _IOR('r', 8, struct binder_ptr_cookie), 187 BR_RELEASE = _IOR('r', 9, struct binder_ptr_cookie), 188 BR_DECREFS = _IOR('r', 10, struct binder_ptr_cookie), 189 BR_ATTEMPT_ACQUIRE = _IOR('r', 11, struct binder_pri_ptr_cookie), 190 BR_NOOP = _IO('r', 12), 191 BR_SPAWN_LOOPER = _IO('r', 13), 192 BR_FINISHED = _IO('r', 14), 193 BR_DEAD_BINDER = _IOR('r', 15, binder_uintptr_t), 194 BR_CLEAR_DEATH_NOTIFICATION_DONE = _IOR('r', 16, binder_uintptr_t), 195 BR_FAILED_REPLY = _IO('r', 17), 196 }; 197 enum binder_driver_command_protocol { 198 BC_TRANSACTION = _IOW('c', 0, struct binder_transaction_data), 199 BC_REPLY = _IOW('c', 1, struct binder_transaction_data), 200 BC_ACQUIRE_RESULT = _IOW('c', 2, __s32), 201 BC_FREE_BUFFER = _IOW('c', 3, binder_uintptr_t), 202 BC_INCREFS = _IOW('c', 4, __u32), 203 BC_ACQUIRE = _IOW('c', 5, __u32), 204 BC_RELEASE = _IOW('c', 6, __u32), 205 BC_DECREFS = _IOW('c', 7, __u32), 206 BC_INCREFS_DONE = _IOW('c', 8, struct binder_ptr_cookie), 207 BC_ACQUIRE_DONE = _IOW('c', 9, struct binder_ptr_cookie), 208 BC_ATTEMPT_ACQUIRE = _IOW('c', 10, struct binder_pri_desc), 209 BC_REGISTER_LOOPER = _IO('c', 11), 210 BC_ENTER_LOOPER = _IO('c', 12), 211 BC_EXIT_LOOPER = _IO('c', 13), 212 BC_REQUEST_DEATH_NOTIFICATION = _IOW('c', 14, struct binder_handle_cookie), 213 BC_CLEAR_DEATH_NOTIFICATION = _IOW('c', 15, struct binder_handle_cookie), 214 BC_DEAD_BINDER_DONE = _IOW('c', 16, binder_uintptr_t), 215 BC_TRANSACTION_SG = _IOW('c', 17, struct binder_transaction_data_sg), 216 BC_REPLY_SG = _IOW('c', 18, struct binder_transaction_data_sg), 217 }; 218 #endif 219