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(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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C
123456789101112131415161718192021222324252627282930313233343536373839404142434445/* SPDX-License-Identifier: GPL-2.0 */#ifndef LINUX_PR_H#define LINUX_PR_H
#include <uapi/linux/pr.h>
struct pr_keys { u32 generation; u32 num_keys; u64 keys[];};
struct pr_held_reservation { u64 key; u32 generation; enum pr_type type;};
struct pr_ops { int (*pr_register)(struct block_device *bdev, u64 old_key, u64 new_key, u32 flags); int (*pr_reserve)(struct block_device *bdev, u64 key, enum pr_type type, u32 flags); int (*pr_release)(struct block_device *bdev, u64 key, enum pr_type type); int (*pr_preempt)(struct block_device *bdev, u64 old_key, u64 new_key, enum pr_type type, bool abort); int (*pr_clear)(struct block_device *bdev, u64 key); /* * pr_read_keys - Read the registered keys and return them in the * pr_keys->keys array. The keys array will have been allocated at the * end of the pr_keys struct, and pr_keys->num_keys must be set to the * number of keys the array can hold. If there are more than can fit * in the array, success will still be returned and pr_keys->num_keys * will reflect the total number of keys the device contains, so the * caller can retry with a larger array. */ int (*pr_read_keys)(struct block_device *bdev, struct pr_keys *keys_info); int (*pr_read_reservation)(struct block_device *bdev, struct pr_held_reservation *rsv);};
#endif /* LINUX_PR_H */