/usr/aarch64-linux-gnu/include/linux/pr.h is in linux-libc-dev-arm64-cross 4.15.0-18.19cross1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _PR_H
#define _PR_H
#include <linux/types.h>
enum pr_type {
PR_WRITE_EXCLUSIVE = 1,
PR_EXCLUSIVE_ACCESS = 2,
PR_WRITE_EXCLUSIVE_REG_ONLY = 3,
PR_EXCLUSIVE_ACCESS_REG_ONLY = 4,
PR_WRITE_EXCLUSIVE_ALL_REGS = 5,
PR_EXCLUSIVE_ACCESS_ALL_REGS = 6,
};
struct pr_reservation {
__u64 key;
__u32 type;
__u32 flags;
};
struct pr_registration {
__u64 old_key;
__u64 new_key;
__u32 flags;
__u32 __pad;
};
struct pr_preempt {
__u64 old_key;
__u64 new_key;
__u32 type;
__u32 flags;
};
struct pr_clear {
__u64 key;
__u32 flags;
__u32 __pad;
};
#define PR_FL_IGNORE_KEY (1 << 0) /* ignore existing key */
#define IOC_PR_REGISTER _IOW('p', 200, struct pr_registration)
#define IOC_PR_RESERVE _IOW('p', 201, struct pr_reservation)
#define IOC_PR_RELEASE _IOW('p', 202, struct pr_reservation)
#define IOC_PR_PREEMPT _IOW('p', 203, struct pr_preempt)
#define IOC_PR_PREEMPT_ABORT _IOW('p', 204, struct pr_preempt)
#define IOC_PR_CLEAR _IOW('p', 205, struct pr_clear)
#endif /* _PR_H */
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