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51 lines
1.1 KiB
51 lines
1.1 KiB
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
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#ifndef _UAPI_PR_H |
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#define _UAPI_PR_H |
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#include <linux/types.h> |
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enum pr_type { |
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PR_WRITE_EXCLUSIVE = 1, |
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PR_EXCLUSIVE_ACCESS = 2, |
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PR_WRITE_EXCLUSIVE_REG_ONLY = 3, |
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PR_EXCLUSIVE_ACCESS_REG_ONLY = 4, |
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PR_WRITE_EXCLUSIVE_ALL_REGS = 5, |
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PR_EXCLUSIVE_ACCESS_ALL_REGS = 6, |
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}; |
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struct pr_reservation { |
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__u64 key; |
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__u32 type; |
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__u32 flags; |
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}; |
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struct pr_registration { |
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__u64 old_key; |
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__u64 new_key; |
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__u32 flags; |
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__u32 __pad; |
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}; |
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struct pr_preempt { |
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__u64 old_key; |
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__u64 new_key; |
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__u32 type; |
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__u32 flags; |
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}; |
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struct pr_clear { |
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__u64 key; |
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__u32 flags; |
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__u32 __pad; |
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}; |
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#define PR_FL_IGNORE_KEY (1 << 0) /* ignore existing key */ |
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#define IOC_PR_REGISTER _IOW('p', 200, struct pr_registration) |
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#define IOC_PR_RESERVE _IOW('p', 201, struct pr_reservation) |
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#define IOC_PR_RELEASE _IOW('p', 202, struct pr_reservation) |
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#define IOC_PR_PREEMPT _IOW('p', 203, struct pr_preempt) |
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#define IOC_PR_PREEMPT_ABORT _IOW('p', 204, struct pr_preempt) |
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#define IOC_PR_CLEAR _IOW('p', 205, struct pr_clear) |
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#endif /* _UAPI_PR_H */
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