xref: /aosp_15_r20/bionic/libc/kernel/uapi/linux/pr.h (revision 8d67ca893c1523eb926b9080dbe4e2ffd2a27ba1)
1*8d67ca89SAndroid Build Coastguard Worker /*
2*8d67ca89SAndroid Build Coastguard Worker  * This file is auto-generated. Modifications will be lost.
3*8d67ca89SAndroid Build Coastguard Worker  *
4*8d67ca89SAndroid Build Coastguard Worker  * See https://android.googlesource.com/platform/bionic/+/master/libc/kernel/
5*8d67ca89SAndroid Build Coastguard Worker  * for more information.
6*8d67ca89SAndroid Build Coastguard Worker  */
7*8d67ca89SAndroid Build Coastguard Worker #ifndef _UAPI_PR_H
8*8d67ca89SAndroid Build Coastguard Worker #define _UAPI_PR_H
9*8d67ca89SAndroid Build Coastguard Worker #include <linux/types.h>
10*8d67ca89SAndroid Build Coastguard Worker enum pr_status {
11*8d67ca89SAndroid Build Coastguard Worker   PR_STS_SUCCESS = 0x0,
12*8d67ca89SAndroid Build Coastguard Worker   PR_STS_IOERR = 0x2,
13*8d67ca89SAndroid Build Coastguard Worker   PR_STS_RESERVATION_CONFLICT = 0x18,
14*8d67ca89SAndroid Build Coastguard Worker   PR_STS_RETRY_PATH_FAILURE = 0xe0000,
15*8d67ca89SAndroid Build Coastguard Worker   PR_STS_PATH_FAST_FAILED = 0xf0000,
16*8d67ca89SAndroid Build Coastguard Worker   PR_STS_PATH_FAILED = 0x10000,
17*8d67ca89SAndroid Build Coastguard Worker };
18*8d67ca89SAndroid Build Coastguard Worker enum pr_type {
19*8d67ca89SAndroid Build Coastguard Worker   PR_WRITE_EXCLUSIVE = 1,
20*8d67ca89SAndroid Build Coastguard Worker   PR_EXCLUSIVE_ACCESS = 2,
21*8d67ca89SAndroid Build Coastguard Worker   PR_WRITE_EXCLUSIVE_REG_ONLY = 3,
22*8d67ca89SAndroid Build Coastguard Worker   PR_EXCLUSIVE_ACCESS_REG_ONLY = 4,
23*8d67ca89SAndroid Build Coastguard Worker   PR_WRITE_EXCLUSIVE_ALL_REGS = 5,
24*8d67ca89SAndroid Build Coastguard Worker   PR_EXCLUSIVE_ACCESS_ALL_REGS = 6,
25*8d67ca89SAndroid Build Coastguard Worker };
26*8d67ca89SAndroid Build Coastguard Worker struct pr_reservation {
27*8d67ca89SAndroid Build Coastguard Worker   __u64 key;
28*8d67ca89SAndroid Build Coastguard Worker   __u32 type;
29*8d67ca89SAndroid Build Coastguard Worker   __u32 flags;
30*8d67ca89SAndroid Build Coastguard Worker };
31*8d67ca89SAndroid Build Coastguard Worker struct pr_registration {
32*8d67ca89SAndroid Build Coastguard Worker   __u64 old_key;
33*8d67ca89SAndroid Build Coastguard Worker   __u64 new_key;
34*8d67ca89SAndroid Build Coastguard Worker   __u32 flags;
35*8d67ca89SAndroid Build Coastguard Worker   __u32 __pad;
36*8d67ca89SAndroid Build Coastguard Worker };
37*8d67ca89SAndroid Build Coastguard Worker struct pr_preempt {
38*8d67ca89SAndroid Build Coastguard Worker   __u64 old_key;
39*8d67ca89SAndroid Build Coastguard Worker   __u64 new_key;
40*8d67ca89SAndroid Build Coastguard Worker   __u32 type;
41*8d67ca89SAndroid Build Coastguard Worker   __u32 flags;
42*8d67ca89SAndroid Build Coastguard Worker };
43*8d67ca89SAndroid Build Coastguard Worker struct pr_clear {
44*8d67ca89SAndroid Build Coastguard Worker   __u64 key;
45*8d67ca89SAndroid Build Coastguard Worker   __u32 flags;
46*8d67ca89SAndroid Build Coastguard Worker   __u32 __pad;
47*8d67ca89SAndroid Build Coastguard Worker };
48*8d67ca89SAndroid Build Coastguard Worker #define PR_FL_IGNORE_KEY (1 << 0)
49*8d67ca89SAndroid Build Coastguard Worker #define IOC_PR_REGISTER _IOW('p', 200, struct pr_registration)
50*8d67ca89SAndroid Build Coastguard Worker #define IOC_PR_RESERVE _IOW('p', 201, struct pr_reservation)
51*8d67ca89SAndroid Build Coastguard Worker #define IOC_PR_RELEASE _IOW('p', 202, struct pr_reservation)
52*8d67ca89SAndroid Build Coastguard Worker #define IOC_PR_PREEMPT _IOW('p', 203, struct pr_preempt)
53*8d67ca89SAndroid Build Coastguard Worker #define IOC_PR_PREEMPT_ABORT _IOW('p', 204, struct pr_preempt)
54*8d67ca89SAndroid Build Coastguard Worker #define IOC_PR_CLEAR _IOW('p', 205, struct pr_clear)
55*8d67ca89SAndroid Build Coastguard Worker #endif
56