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gerrit.omnirom.org / android_bionic / a5cb76bca00b1ce44a04687fb179809c12ea9cd3 / . / libc / kernel / common / linux / binder.h
blob: b97eafb312a6ba381291eb713668548a0a7550c0 [file] [log] [blame]
The Android Open Source Project1dc9e472009-03-03 19:28:35 -0800[diff] [blame]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
20enum {
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
28enum {
29 FLAT_BINDER_FLAG_PRIORITY_MASK = 0xff,
30 FLAT_BINDER_FLAG_ACCEPTS_FDS = 0x100,
31};
32
33struct 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
46struct 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
55struct 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
70enum transaction_flags {
71 TF_ONE_WAY = 0x01,
72 TF_ROOT_OBJECT = 0x04,
73 TF_STATUS_CODE = 0x08,
74 TF_ACCEPT_FDS = 0x10,
75};
76
77struct 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
103struct binder_ptr_cookie {
104 void *ptr;
105 void *cookie;
106};
107
108struct binder_pri_desc {
109 int priority;
110 int desc;
111};
112
113struct binder_pri_ptr_cookie {
114 int priority;
115 void *ptr;
116 void *cookie;
117};
118
119enum 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
154enum 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