diff options
Diffstat (limited to 'include/uapi/linux/pr.h')
| -rw-r--r-- | include/uapi/linux/pr.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/include/uapi/linux/pr.h b/include/uapi/linux/pr.h new file mode 100644 index 000000000..ccc78cbf1 --- /dev/null +++ b/include/uapi/linux/pr.h @@ -0,0 +1,51 @@ +/* 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 */ |