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bbd3e064 CH |
1 | #ifndef _UAPI_PR_H |
2 | #define _UAPI_PR_H | |
3 | ||
4 | enum pr_type { | |
5 | PR_WRITE_EXCLUSIVE = 1, | |
6 | PR_EXCLUSIVE_ACCESS = 2, | |
7 | PR_WRITE_EXCLUSIVE_REG_ONLY = 3, | |
8 | PR_EXCLUSIVE_ACCESS_REG_ONLY = 4, | |
9 | PR_WRITE_EXCLUSIVE_ALL_REGS = 5, | |
10 | PR_EXCLUSIVE_ACCESS_ALL_REGS = 6, | |
11 | }; | |
12 | ||
13 | struct pr_reservation { | |
14 | __u64 key; | |
15 | __u32 type; | |
16 | __u32 flags; | |
17 | }; | |
18 | ||
19 | struct pr_registration { | |
20 | __u64 old_key; | |
21 | __u64 new_key; | |
22 | __u32 flags; | |
23 | __u32 __pad; | |
24 | }; | |
25 | ||
26 | struct pr_preempt { | |
27 | __u64 old_key; | |
28 | __u64 new_key; | |
29 | __u32 type; | |
30 | __u32 flags; | |
31 | }; | |
32 | ||
33 | struct pr_clear { | |
34 | __u64 key; | |
35 | __u32 flags; | |
36 | __u32 __pad; | |
37 | }; | |
38 | ||
39 | #define PR_FL_IGNORE_KEY (1 << 0) /* ignore existing key */ | |
40 | ||
41 | #define IOC_PR_REGISTER _IOW('p', 200, struct pr_registration) | |
42 | #define IOC_PR_RESERVE _IOW('p', 201, struct pr_reservation) | |
43 | #define IOC_PR_RELEASE _IOW('p', 202, struct pr_reservation) | |
44 | #define IOC_PR_PREEMPT _IOW('p', 203, struct pr_preempt) | |
45 | #define IOC_PR_PREEMPT_ABORT _IOW('p', 204, struct pr_preempt) | |
46 | #define IOC_PR_CLEAR _IOW('p', 205, struct pr_clear) | |
47 | ||
48 | #endif /* _UAPI_PR_H */ |