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| /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
| #ifndef _UAPI_PR_H
| #define _UAPI_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 /* _UAPI_PR_H */
|
|
