Commit | Line | Data |
---|---|---|
f80be457 AP |
1 | /* SPDX-License-Identifier: GPL-2.0 */ |
2 | /* | |
3 | * A minimal header declaring types added by KMSAN to existing kernel structs. | |
4 | * | |
5 | * Copyright (C) 2017-2022 Google LLC | |
6 | * Author: Alexander Potapenko <glider@google.com> | |
7 | * | |
8 | */ | |
9 | #ifndef _LINUX_KMSAN_TYPES_H | |
10 | #define _LINUX_KMSAN_TYPES_H | |
11 | ||
316aa04d KO |
12 | #include <linux/types.h> |
13 | ||
f80be457 AP |
14 | /* These constants are defined in the MSan LLVM instrumentation pass. */ |
15 | #define KMSAN_RETVAL_SIZE 800 | |
16 | #define KMSAN_PARAM_SIZE 800 | |
17 | ||
18 | struct kmsan_context_state { | |
19 | char param_tls[KMSAN_PARAM_SIZE]; | |
20 | char retval_tls[KMSAN_RETVAL_SIZE]; | |
21 | char va_arg_tls[KMSAN_PARAM_SIZE]; | |
22 | char va_arg_origin_tls[KMSAN_PARAM_SIZE]; | |
23 | u64 va_arg_overflow_size_tls; | |
24 | char param_origin_tls[KMSAN_PARAM_SIZE]; | |
25 | u32 retval_origin_tls; | |
26 | }; | |
27 | ||
28 | #undef KMSAN_PARAM_SIZE | |
29 | #undef KMSAN_RETVAL_SIZE | |
30 | ||
31 | struct kmsan_ctx { | |
32 | struct kmsan_context_state cstate; | |
33 | int kmsan_in_runtime; | |
34 | bool allow_reporting; | |
35 | }; | |
36 | ||
37 | #endif /* _LINUX_KMSAN_TYPES_H */ |