projects / mirror_ubuntu-bionic-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 6f52b16c | 1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
| bbd3e064 CH |
2 | #ifndef _UAPI_PR_H |
| 3 | #define _UAPI_PR_H | |
| 4 | ||
| 9078b4ee ND |
5 | #include <linux/types.h> |
| 6 | ||
| bbd3e064 CH |
7 | enum 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 | ||
| 16 | struct pr_reservation { | |
| 17 | __u64 key; | |
| 18 | __u32 type; | |
| 19 | __u32 flags; | |
| 20 | }; | |
| 21 | ||
| 22 | struct pr_registration { | |
| 23 | __u64 old_key; | |
| 24 | __u64 new_key; | |
| 25 | __u32 flags; | |
| 26 | __u32 __pad; | |
| 27 | }; | |
| 28 | ||
| 29 | struct pr_preempt { | |
| 30 | __u64 old_key; | |
| 31 | __u64 new_key; | |
| 32 | __u32 type; | |
| 33 | __u32 flags; | |
| 34 | }; | |
| 35 | ||
| 36 | struct 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 */ |