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  ****************************************************************************
11  ****************************************************************************/
12 #ifndef _LINUX_BINDER_H
13 #define _LINUX_BINDER_H
14 
15 #include <linux/ioctl.h>
16 
17 #define B_PACK_CHARS(c1, c2, c3, c4)   ((((c1)<<24)) | (((c2)<<16)) | (((c3)<<8)) | (c4))
18 #define B_TYPE_LARGE 0x85
19 
20 enum {
21  BINDER_TYPE_BINDER = B_PACK_CHARS('s', 'b', '*', B_TYPE_LARGE),
22  BINDER_TYPE_WEAK_BINDER = B_PACK_CHARS('w', 'b', '*', B_TYPE_LARGE),
23  BINDER_TYPE_HANDLE = B_PACK_CHARS('s', 'h', '*', B_TYPE_LARGE),
24  BINDER_TYPE_WEAK_HANDLE = B_PACK_CHARS('w', 'h', '*', B_TYPE_LARGE),
25  BINDER_TYPE_FD = B_PACK_CHARS('f', 'd', '*', B_TYPE_LARGE),
26 };
27 
28 enum {
29  FLAT_BINDER_FLAG_PRIORITY_MASK = 0xff,
30  FLAT_BINDER_FLAG_ACCEPTS_FDS = 0x100,
31 };
32 
33 struct flat_binder_object {
34 
35  unsigned long type;
36  unsigned long flags;
37 
38  union {
39  void *binder;
40  signed long handle;
41  };
42 
43  void *cookie;
44 };
45 
46 struct binder_write_read {
47  signed long write_size;
48  signed long write_consumed;
49  unsigned long write_buffer;
50  signed long read_size;
51  signed long read_consumed;
52  unsigned long read_buffer;
53 };
54 
55 struct binder_version {
56 
57  signed long protocol_version;
58 };
59 
60 #define BINDER_CURRENT_PROTOCOL_VERSION 7
61 
62 #define BINDER_WRITE_READ _IOWR('b', 1, struct binder_write_read)
63 #define BINDER_SET_IDLE_TIMEOUT _IOW('b', 3, int64_t)
64 #define BINDER_SET_MAX_THREADS _IOW('b', 5, size_t)
65 #define BINDER_SET_IDLE_PRIORITY _IOW('b', 6, int)
66 #define BINDER_SET_CONTEXT_MGR _IOW('b', 7, int)
67 #define BINDER_THREAD_EXIT _IOW('b', 8, int)
68 #define BINDER_VERSION _IOWR('b', 9, struct binder_version)
69 
70 enum transaction_flags {
71  TF_ONE_WAY = 0x01,
72  TF_ROOT_OBJECT = 0x04,
73  TF_STATUS_CODE = 0x08,
74  TF_ACCEPT_FDS = 0x10,
75 };
76 
77 struct binder_transaction_data {
78 
79  union {
80  size_t handle;
81  void *ptr;
82  } target;
83  void *cookie;
84  unsigned int code;
85 
86  unsigned int flags;
87  pid_t sender_pid;
88  uid_t sender_euid;
89  size_t data_size;
90  size_t offsets_size;
91 
92  union {
93  struct {
94 
95  const void *buffer;
96 
97  const void *offsets;
98  } ptr;
99  uint8_t buf[8];
100  } data;
101 };
102 
103 struct binder_ptr_cookie {
104  void *ptr;
105  void *cookie;
106 };
107 
108 struct binder_pri_desc {
109  int priority;
110  int desc;
111 };
112 
113 struct binder_pri_ptr_cookie {
114  int priority;
115  void *ptr;
116  void *cookie;
117 };
118 
119 enum BinderDriverReturnProtocol {
120  BR_ERROR = _IOR_BAD('r', 0, int),
121 
122  BR_OK = _IO('r', 1),
123 
124  BR_TRANSACTION = _IOR_BAD('r', 2, struct binder_transaction_data),
125  BR_REPLY = _IOR_BAD('r', 3, struct binder_transaction_data),
126 
127  BR_ACQUIRE_RESULT = _IOR_BAD('r', 4, int),
128 
129  BR_DEAD_REPLY = _IO('r', 5),
130 
131  BR_TRANSACTION_COMPLETE = _IO('r', 6),
132 
133  BR_INCREFS = _IOR_BAD('r', 7, struct binder_ptr_cookie),
134  BR_ACQUIRE = _IOR_BAD('r', 8, struct binder_ptr_cookie),
135  BR_RELEASE = _IOR_BAD('r', 9, struct binder_ptr_cookie),
136  BR_DECREFS = _IOR_BAD('r', 10, struct binder_ptr_cookie),
137 
138  BR_ATTEMPT_ACQUIRE = _IOR_BAD('r', 11, struct binder_pri_ptr_cookie),
139 
140  BR_NOOP = _IO('r', 12),
141 
142  BR_SPAWN_LOOPER = _IO('r', 13),
143 
144  BR_FINISHED = _IO('r', 14),
145 
146  BR_DEAD_BINDER = _IOR_BAD('r', 15, void *),
147 
148  BR_CLEAR_DEATH_NOTIFICATION_DONE = _IOR_BAD('r', 16, void *),
149 
150  BR_FAILED_REPLY = _IO('r', 17),
151 
152 };
153 
154 enum BinderDriverCommandProtocol {
155  BC_TRANSACTION = _IOW_BAD('c', 0, struct binder_transaction_data),
156  BC_REPLY = _IOW_BAD('c', 1, struct binder_transaction_data),
157 
158  BC_ACQUIRE_RESULT = _IOW_BAD('c', 2, int),
159 
160  BC_FREE_BUFFER = _IOW_BAD('c', 3, int),
161 
162  BC_INCREFS = _IOW_BAD('c', 4, int),
163  BC_ACQUIRE = _IOW_BAD('c', 5, int),
164  BC_RELEASE = _IOW_BAD('c', 6, int),
165  BC_DECREFS = _IOW_BAD('c', 7, int),
166 
167  BC_INCREFS_DONE = _IOW_BAD('c', 8, struct binder_ptr_cookie),
168  BC_ACQUIRE_DONE = _IOW_BAD('c', 9, struct binder_ptr_cookie),
169 
170  BC_ATTEMPT_ACQUIRE = _IOW_BAD('c', 10, struct binder_pri_desc),
171 
172  BC_REGISTER_LOOPER = _IO('c', 11),
173 
174  BC_ENTER_LOOPER = _IO('c', 12),
175  BC_EXIT_LOOPER = _IO('c', 13),
176 
177  BC_REQUEST_DEATH_NOTIFICATION = _IOW_BAD('c', 14, struct binder_ptr_cookie),
178 
179  BC_CLEAR_DEATH_NOTIFICATION = _IOW_BAD('c', 15, struct binder_ptr_cookie),
180 
181  BC_DEAD_BINDER_DONE = _IOW_BAD('c', 16, void *),
182 
183 };
184 
185 #endif
186 
187