xref: /aosp_15_r20/external/bcc/libbpf-tools/biosnoop.h (revision 387f9dfdfa2baef462e92476d413c7bc2470293e)
1*387f9dfdSAndroid Build Coastguard Worker // SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)
2*387f9dfdSAndroid Build Coastguard Worker #ifndef __BIOSNOOP_H
3*387f9dfdSAndroid Build Coastguard Worker #define __BIOSNOOP_H
4*387f9dfdSAndroid Build Coastguard Worker 
5*387f9dfdSAndroid Build Coastguard Worker #define DISK_NAME_LEN	32
6*387f9dfdSAndroid Build Coastguard Worker #define TASK_COMM_LEN	16
7*387f9dfdSAndroid Build Coastguard Worker #define RWBS_LEN	8
8*387f9dfdSAndroid Build Coastguard Worker 
9*387f9dfdSAndroid Build Coastguard Worker #define MINORBITS	20
10*387f9dfdSAndroid Build Coastguard Worker #define MINORMASK	((1U << MINORBITS) - 1)
11*387f9dfdSAndroid Build Coastguard Worker 
12*387f9dfdSAndroid Build Coastguard Worker #define MKDEV(ma, mi)	(((ma) << MINORBITS) | (mi))
13*387f9dfdSAndroid Build Coastguard Worker 
14*387f9dfdSAndroid Build Coastguard Worker struct event {
15*387f9dfdSAndroid Build Coastguard Worker 	char comm[TASK_COMM_LEN];
16*387f9dfdSAndroid Build Coastguard Worker 	__u64 delta;
17*387f9dfdSAndroid Build Coastguard Worker 	__u64 qdelta;
18*387f9dfdSAndroid Build Coastguard Worker 	__u64 ts;
19*387f9dfdSAndroid Build Coastguard Worker 	__u64 sector;
20*387f9dfdSAndroid Build Coastguard Worker 	__u32 len;
21*387f9dfdSAndroid Build Coastguard Worker 	__u32 pid;
22*387f9dfdSAndroid Build Coastguard Worker 	__u32 cmd_flags;
23*387f9dfdSAndroid Build Coastguard Worker 	__u32 dev;
24*387f9dfdSAndroid Build Coastguard Worker };
25*387f9dfdSAndroid Build Coastguard Worker 
26*387f9dfdSAndroid Build Coastguard Worker #endif /* __BIOSNOOP_H */
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