| /* SPDX-License-Identifier: GPL-2.0 */ |
| /* |
| * A minimal header declaring types added by KMSAN to existing kernel structs. |
| * |
| * Copyright (C) 2017-2022 Google LLC |
| * Author: Alexander Potapenko <glider@google.com> |
| * |
| */ |
| #ifndef _LINUX_KMSAN_TYPES_H |
| #define _LINUX_KMSAN_TYPES_H |
| |
| #include <linux/types.h> |
| |
| /* These constants are defined in the MSan LLVM instrumentation pass. */ |
| #define KMSAN_RETVAL_SIZE 800 |
| #define KMSAN_PARAM_SIZE 800 |
| |
| struct kmsan_context_state { |
| char param_tls[KMSAN_PARAM_SIZE]; |
| char retval_tls[KMSAN_RETVAL_SIZE]; |
| char va_arg_tls[KMSAN_PARAM_SIZE]; |
| char va_arg_origin_tls[KMSAN_PARAM_SIZE]; |
| u64 va_arg_overflow_size_tls; |
| char param_origin_tls[KMSAN_PARAM_SIZE]; |
| u32 retval_origin_tls; |
| }; |
| |
| #undef KMSAN_PARAM_SIZE |
| #undef KMSAN_RETVAL_SIZE |
| |
| struct kmsan_ctx { |
| struct kmsan_context_state cstate; |
| int kmsan_in_runtime; |
| unsigned int depth; |
| }; |
| |
| #endif /* _LINUX_KMSAN_TYPES_H */ |
