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 | |
12 | #include <linux/types.h> |
13 | |
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 */ |
38 | |