xref: /aosp_15_r20/external/bcc/libbpf-tools/mountsnoop.h (revision 387f9dfdfa2baef462e92476d413c7bc2470293e)
1*387f9dfdSAndroid Build Coastguard Worker /* SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) */
2*387f9dfdSAndroid Build Coastguard Worker #ifndef __MOUNTSNOOP_H
3*387f9dfdSAndroid Build Coastguard Worker #define __MOUNTSNOOP_H
4*387f9dfdSAndroid Build Coastguard Worker 
5*387f9dfdSAndroid Build Coastguard Worker #define TASK_COMM_LEN	16
6*387f9dfdSAndroid Build Coastguard Worker #define FS_NAME_LEN	8
7*387f9dfdSAndroid Build Coastguard Worker #define DATA_LEN	512
8*387f9dfdSAndroid Build Coastguard Worker #define PATH_MAX	4096
9*387f9dfdSAndroid Build Coastguard Worker 
10*387f9dfdSAndroid Build Coastguard Worker enum op {
11*387f9dfdSAndroid Build Coastguard Worker 	MOUNT,
12*387f9dfdSAndroid Build Coastguard Worker 	UMOUNT,
13*387f9dfdSAndroid Build Coastguard Worker };
14*387f9dfdSAndroid Build Coastguard Worker 
15*387f9dfdSAndroid Build Coastguard Worker struct arg {
16*387f9dfdSAndroid Build Coastguard Worker 	__u64 ts;
17*387f9dfdSAndroid Build Coastguard Worker 	__u64 flags;
18*387f9dfdSAndroid Build Coastguard Worker 	const char *src;
19*387f9dfdSAndroid Build Coastguard Worker 	const char *dest;
20*387f9dfdSAndroid Build Coastguard Worker 	const char *fs;
21*387f9dfdSAndroid Build Coastguard Worker 	const char *data;
22*387f9dfdSAndroid Build Coastguard Worker 	enum op op;
23*387f9dfdSAndroid Build Coastguard Worker };
24*387f9dfdSAndroid Build Coastguard Worker 
25*387f9dfdSAndroid Build Coastguard Worker struct event {
26*387f9dfdSAndroid Build Coastguard Worker 	__u64 delta;
27*387f9dfdSAndroid Build Coastguard Worker 	__u64 flags;
28*387f9dfdSAndroid Build Coastguard Worker 	__u32 pid;
29*387f9dfdSAndroid Build Coastguard Worker 	__u32 tid;
30*387f9dfdSAndroid Build Coastguard Worker 	unsigned int mnt_ns;
31*387f9dfdSAndroid Build Coastguard Worker 	int ret;
32*387f9dfdSAndroid Build Coastguard Worker 	char comm[TASK_COMM_LEN];
33*387f9dfdSAndroid Build Coastguard Worker 	char fs[FS_NAME_LEN];
34*387f9dfdSAndroid Build Coastguard Worker 	char src[PATH_MAX];
35*387f9dfdSAndroid Build Coastguard Worker 	char dest[PATH_MAX];
36*387f9dfdSAndroid Build Coastguard Worker 	char data[DATA_LEN];
37*387f9dfdSAndroid Build Coastguard Worker 	enum op op;
38*387f9dfdSAndroid Build Coastguard Worker };
39*387f9dfdSAndroid Build Coastguard Worker 
40*387f9dfdSAndroid Build Coastguard Worker #endif /* __MOUNTSNOOP_H */
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