cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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pr.h (1088B)

      1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
      2#ifndef _UAPI_PR_H
      3#define _UAPI_PR_H
      4
      5#include <linux/types.h>
      6
      7enum pr_type {
      8	PR_WRITE_EXCLUSIVE		= 1,
      9	PR_EXCLUSIVE_ACCESS		= 2,
     10	PR_WRITE_EXCLUSIVE_REG_ONLY	= 3,
     11	PR_EXCLUSIVE_ACCESS_REG_ONLY	= 4,
     12	PR_WRITE_EXCLUSIVE_ALL_REGS	= 5,
     13	PR_EXCLUSIVE_ACCESS_ALL_REGS	= 6,
     14};
     15
     16struct pr_reservation {
     17	__u64	key;
     18	__u32	type;
     19	__u32	flags;
     20};
     21
     22struct pr_registration {
     23	__u64	old_key;
     24	__u64	new_key;
     25	__u32	flags;
     26	__u32	__pad;
     27};
     28
     29struct pr_preempt {
     30	__u64	old_key;
     31	__u64	new_key;
     32	__u32	type;
     33	__u32	flags;
     34};
     35
     36struct pr_clear {
     37	__u64	key;
     38	__u32	flags;
     39	__u32	__pad;
     40};
     41
     42#define PR_FL_IGNORE_KEY	(1 << 0)	/* ignore existing key */
     43
     44#define IOC_PR_REGISTER		_IOW('p', 200, struct pr_registration)
     45#define IOC_PR_RESERVE		_IOW('p', 201, struct pr_reservation)
     46#define IOC_PR_RELEASE		_IOW('p', 202, struct pr_reservation)
     47#define IOC_PR_PREEMPT		_IOW('p', 203, struct pr_preempt)
     48#define IOC_PR_PREEMPT_ABORT	_IOW('p', 204, struct pr_preempt)
     49#define IOC_PR_CLEAR		_IOW('p', 205, struct pr_clear)
     50
     51#endif /* _UAPI_PR_H */