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