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 flat_binder_object_shifts { 35 FLAT_BINDER_FLAG_SCHED_POLICY_SHIFT = 9, 36 }; 37 enum flat_binder_object_flags { 38 FLAT_BINDER_FLAG_PRIORITY_MASK = 0xff, 39 FLAT_BINDER_FLAG_ACCEPTS_FDS = 0x100, 40 FLAT_BINDER_FLAG_SCHED_POLICY_MASK = 3U << FLAT_BINDER_FLAG_SCHED_POLICY_SHIFT, 41 FLAT_BINDER_FLAG_INHERIT_RT = 0x800, 42 FLAT_BINDER_FLAG_TXN_SECURITY_CTX = 0x1000, 43 }; 44 #ifdef BINDER_IPC_32BIT 45 typedef __u32 binder_size_t; 46 typedef __u32 binder_uintptr_t; 47 #else 48 typedef __u64 binder_size_t; 49 typedef __u64 binder_uintptr_t; 50 #endif 51 struct binder_object_header { 52 __u32 type; 53 }; 54 struct flat_binder_object { 55 struct binder_object_header hdr; 56 __u32 flags; 57 union { 58 binder_uintptr_t binder; 59 __u32 handle; 60 }; 61 binder_uintptr_t cookie; 62 }; 63 struct binder_fd_object { 64 struct binder_object_header hdr; 65 __u32 pad_flags; 66 union { 67 binder_uintptr_t pad_binder; 68 __u32 fd; 69 }; 70 binder_uintptr_t cookie; 71 }; 72 struct binder_buffer_object { 73 struct binder_object_header hdr; 74 __u32 flags; 75 binder_uintptr_t buffer; 76 binder_size_t length; 77 binder_size_t parent; 78 binder_size_t parent_offset; 79 }; 80 enum { 81 BINDER_BUFFER_FLAG_HAS_PARENT = 0x01, 82 }; 83 struct binder_fd_array_object { 84 struct binder_object_header hdr; 85 __u32 pad; 86 binder_size_t num_fds; 87 binder_size_t parent; 88 binder_size_t parent_offset; 89 }; 90 struct binder_write_read { 91 binder_size_t write_size; 92 binder_size_t write_consumed; 93 binder_uintptr_t write_buffer; 94 binder_size_t read_size; 95 binder_size_t read_consumed; 96 binder_uintptr_t read_buffer; 97 }; 98 struct binder_version { 99 __s32 protocol_version; 100 }; 101 #ifdef BINDER_IPC_32BIT 102 #define BINDER_CURRENT_PROTOCOL_VERSION 7 103 #else 104 #define BINDER_CURRENT_PROTOCOL_VERSION 8 105 #endif 106 struct binder_node_debug_info { 107 binder_uintptr_t ptr; 108 binder_uintptr_t cookie; 109 __u32 has_strong_ref; 110 __u32 has_weak_ref; 111 }; 112 struct binder_node_info_for_ref { 113 __u32 handle; 114 __u32 strong_count; 115 __u32 weak_count; 116 __u32 reserved1; 117 __u32 reserved2; 118 __u32 reserved3; 119 }; 120 #define BINDER_WRITE_READ _IOWR('b', 1, struct binder_write_read) 121 #define BINDER_SET_IDLE_TIMEOUT _IOW('b', 3, __s64) 122 #define BINDER_SET_MAX_THREADS _IOW('b', 5, __u32) 123 #define BINDER_SET_IDLE_PRIORITY _IOW('b', 6, __s32) 124 #define BINDER_SET_CONTEXT_MGR _IOW('b', 7, __s32) 125 #define BINDER_THREAD_EXIT _IOW('b', 8, __s32) 126 #define BINDER_VERSION _IOWR('b', 9, struct binder_version) 127 #define BINDER_GET_NODE_DEBUG_INFO _IOWR('b', 11, struct binder_node_debug_info) 128 #define BINDER_GET_NODE_INFO_FOR_REF _IOWR('b', 12, struct binder_node_info_for_ref) 129 #define BINDER_SET_CONTEXT_MGR_EXT _IOW('b', 13, struct flat_binder_object) 130 enum transaction_flags { 131 TF_ONE_WAY = 0x01, 132 TF_ROOT_OBJECT = 0x04, 133 TF_STATUS_CODE = 0x08, 134 TF_ACCEPT_FDS = 0x10, 135 }; 136 struct binder_transaction_data { 137 union { 138 __u32 handle; 139 binder_uintptr_t ptr; 140 } target; 141 binder_uintptr_t cookie; 142 __u32 code; 143 __u32 flags; 144 pid_t sender_pid; 145 uid_t sender_euid; 146 binder_size_t data_size; 147 binder_size_t offsets_size; 148 union { 149 struct { 150 binder_uintptr_t buffer; 151 binder_uintptr_t offsets; 152 } ptr; 153 __u8 buf[8]; 154 } data; 155 }; 156 struct binder_transaction_data_secctx { 157 struct binder_transaction_data transaction_data; 158 binder_uintptr_t secctx; 159 }; 160 struct binder_transaction_data_sg { 161 struct binder_transaction_data transaction_data; 162 binder_size_t buffers_size; 163 }; 164 struct binder_ptr_cookie { 165 binder_uintptr_t ptr; 166 binder_uintptr_t cookie; 167 }; 168 struct binder_handle_cookie { 169 __u32 handle; 170 binder_uintptr_t cookie; 171 } __packed; 172 struct binder_pri_desc { 173 __s32 priority; 174 __u32 desc; 175 }; 176 struct binder_pri_ptr_cookie { 177 __s32 priority; 178 binder_uintptr_t ptr; 179 binder_uintptr_t cookie; 180 }; 181 enum binder_driver_return_protocol { 182 BR_ERROR = _IOR('r', 0, __s32), 183 BR_OK = _IO('r', 1), 184 BR_TRANSACTION_SEC_CTX = _IOR('r', 2, struct binder_transaction_data_secctx), 185 BR_TRANSACTION = _IOR('r', 2, struct binder_transaction_data), 186 BR_REPLY = _IOR('r', 3, struct binder_transaction_data), 187 BR_ACQUIRE_RESULT = _IOR('r', 4, __s32), 188 BR_DEAD_REPLY = _IO('r', 5), 189 BR_TRANSACTION_COMPLETE = _IO('r', 6), 190 BR_INCREFS = _IOR('r', 7, struct binder_ptr_cookie), 191 BR_ACQUIRE = _IOR('r', 8, struct binder_ptr_cookie), 192 BR_RELEASE = _IOR('r', 9, struct binder_ptr_cookie), 193 BR_DECREFS = _IOR('r', 10, struct binder_ptr_cookie), 194 BR_ATTEMPT_ACQUIRE = _IOR('r', 11, struct binder_pri_ptr_cookie), 195 BR_NOOP = _IO('r', 12), 196 BR_SPAWN_LOOPER = _IO('r', 13), 197 BR_FINISHED = _IO('r', 14), 198 BR_DEAD_BINDER = _IOR('r', 15, binder_uintptr_t), 199 BR_CLEAR_DEATH_NOTIFICATION_DONE = _IOR('r', 16, binder_uintptr_t), 200 BR_FAILED_REPLY = _IO('r', 17), 201 }; 202 enum binder_driver_command_protocol { 203 BC_TRANSACTION = _IOW('c', 0, struct binder_transaction_data), 204 BC_REPLY = _IOW('c', 1, struct binder_transaction_data), 205 BC_ACQUIRE_RESULT = _IOW('c', 2, __s32), 206 BC_FREE_BUFFER = _IOW('c', 3, binder_uintptr_t), 207 BC_INCREFS = _IOW('c', 4, __u32), 208 BC_ACQUIRE = _IOW('c', 5, __u32), 209 BC_RELEASE = _IOW('c', 6, __u32), 210 BC_DECREFS = _IOW('c', 7, __u32), 211 BC_INCREFS_DONE = _IOW('c', 8, struct binder_ptr_cookie), 212 BC_ACQUIRE_DONE = _IOW('c', 9, struct binder_ptr_cookie), 213 BC_ATTEMPT_ACQUIRE = _IOW('c', 10, struct binder_pri_desc), 214 BC_REGISTER_LOOPER = _IO('c', 11), 215 BC_ENTER_LOOPER = _IO('c', 12), 216 BC_EXIT_LOOPER = _IO('c', 13), 217 BC_REQUEST_DEATH_NOTIFICATION = _IOW('c', 14, struct binder_handle_cookie), 218 BC_CLEAR_DEATH_NOTIFICATION = _IOW('c', 15, struct binder_handle_cookie), 219 BC_DEAD_BINDER_DONE = _IOW('c', 16, binder_uintptr_t), 220 BC_TRANSACTION_SG = _IOW('c', 17, struct binder_transaction_data_sg), 221 BC_REPLY_SG = _IOW('c', 18, struct binder_transaction_data_sg), 222 }; 223 #endif 224