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
18 * All BPF programs must return a 32-bit value.
19 * The bottom 16-bits are for optional return data.
20 * The upper 16-bits are ordered from least permissive values to most.
22 * The ordering ensures that a min_t() over composed return values always
23 * selects the least permissive choice.
25 #define SECCOMP_RET_KILL 0x00000000U /* kill the task immediately */
26 #define SECCOMP_RET_TRAP 0x00030000U /* disallow and force a SIGSYS */
27 #define SECCOMP_RET_ERRNO 0x00050000U /* returns an errno */
28 #define SECCOMP_RET_TRACE 0x7ff00000U /* pass to a tracer or disallow */
29 #define SECCOMP_RET_ALLOW 0x7fff0000U /* allow */
31 /* Masks for the return value sections. */
32 #define SECCOMP_RET_ACTION 0x7fff0000U
33 #define SECCOMP_RET_DATA 0x0000ffffU
36 * struct seccomp_data - the format the BPF program executes over.
37 * @nr: the system call number
38 * @arch: indicates system call convention as an AUDIT_ARCH_* value
39 * as defined in <linux/audit.h>.
40 * @instruction_pointer: at the time of the system call.
41 * @args: up to 6 system call arguments always stored as 64-bit values
42 * regardless of the architecture.
47 __u64 instruction_pointer;
51 #endif /* _UAPI_LINUX_SECCOMP_H */