1 #ifndef _UAPI_LINUX_SECCOMP_H
2 #define _UAPI_LINUX_SECCOMP_H
4 #include <linux/compiler.h>
5 #include <linux/types.h>
8 /* Valid values for seccomp.mode and prctl(PR_SET_SECCOMP, <mode>) */
9 #define SECCOMP_MODE_DISABLED 0 /* seccomp is not in use. */
10 #define SECCOMP_MODE_STRICT 1 /* uses hard-coded filter. */
11 #define SECCOMP_MODE_FILTER 2 /* uses user-supplied filter. */
13 /* Valid operations for seccomp syscall. */
14 #define SECCOMP_SET_MODE_STRICT 0
15 #define SECCOMP_SET_MODE_FILTER 1
16 #define SECCOMP_GET_ACTION_AVAIL 2
18 /* Valid flags for SECCOMP_SET_MODE_FILTER */
19 #define SECCOMP_FILTER_FLAG_TSYNC 1
20 #define SECCOMP_FILTER_FLAG_LOG 2
23 * All BPF programs must return a 32-bit value.
24 * The bottom 16-bits are for optional return data.
25 * The upper 16-bits are ordered from least permissive values to most.
27 * The ordering ensures that a min_t() over composed return values always
28 * selects the least permissive choice.
30 #define SECCOMP_RET_KILL 0x00000000U /* kill the task immediately */
31 #define SECCOMP_RET_TRAP 0x00030000U /* disallow and force a SIGSYS */
32 #define SECCOMP_RET_ERRNO 0x00050000U /* returns an errno */
33 #define SECCOMP_RET_TRACE 0x7ff00000U /* pass to a tracer or disallow */
34 #define SECCOMP_RET_ALLOW 0x7fff0000U /* allow */
36 /* Masks for the return value sections. */
37 #define SECCOMP_RET_ACTION 0x7fff0000U
38 #define SECCOMP_RET_DATA 0x0000ffffU
41 * struct seccomp_data - the format the BPF program executes over.
42 * @nr: the system call number
43 * @arch: indicates system call convention as an AUDIT_ARCH_* value
44 * as defined in <linux/audit.h>.
45 * @instruction_pointer: at the time of the system call.
46 * @args: up to 6 system call arguments always stored as 64-bit values
47 * regardless of the architecture.
52 __u64 instruction_pointer;
56 #endif /* _UAPI_LINUX_SECCOMP_H */