1b2441318SGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 */ 25c9a8750SDmitry Vyukov #ifndef _LINUX_KCOV_H 35c9a8750SDmitry Vyukov #define _LINUX_KCOV_H 45c9a8750SDmitry Vyukov 55c9a8750SDmitry Vyukov #include <uapi/linux/kcov.h> 65c9a8750SDmitry Vyukov 75c9a8750SDmitry Vyukov struct task_struct; 85c9a8750SDmitry Vyukov 95c9a8750SDmitry Vyukov #ifdef CONFIG_KCOV 105c9a8750SDmitry Vyukov 115c9a8750SDmitry Vyukov enum kcov_mode { 125c9a8750SDmitry Vyukov /* Coverage collection is not enabled yet. */ 135c9a8750SDmitry Vyukov KCOV_MODE_DISABLED = 0, 14*ded97d2cSVictor Chibotaru /* KCOV was initialized, but tracing mode hasn't been chosen yet. */ 15*ded97d2cSVictor Chibotaru KCOV_MODE_INIT = 1, 165c9a8750SDmitry Vyukov /* 175c9a8750SDmitry Vyukov * Tracing coverage collection mode. 185c9a8750SDmitry Vyukov * Covered PCs are collected in a per-task buffer. 195c9a8750SDmitry Vyukov */ 20*ded97d2cSVictor Chibotaru KCOV_MODE_TRACE_PC = 2, 21*ded97d2cSVictor Chibotaru /* Collecting comparison operands mode. */ 22*ded97d2cSVictor Chibotaru KCOV_MODE_TRACE_CMP = 3, 235c9a8750SDmitry Vyukov }; 245c9a8750SDmitry Vyukov 25*ded97d2cSVictor Chibotaru void kcov_task_init(struct task_struct *t); 26*ded97d2cSVictor Chibotaru void kcov_task_exit(struct task_struct *t); 27*ded97d2cSVictor Chibotaru 285c9a8750SDmitry Vyukov #else 295c9a8750SDmitry Vyukov 305c9a8750SDmitry Vyukov static inline void kcov_task_init(struct task_struct *t) {} 315c9a8750SDmitry Vyukov static inline void kcov_task_exit(struct task_struct *t) {} 325c9a8750SDmitry Vyukov 335c9a8750SDmitry Vyukov #endif /* CONFIG_KCOV */ 345c9a8750SDmitry Vyukov #endif /* _LINUX_KCOV_H */ 35