David Venhoff
cfcea9ee67
Based off b80915eb99
and compacted into a single commit so that it will fit on the uni git server
32 lines
973 B
C
32 lines
973 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _RDS_INFO_H
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#define _RDS_INFO_H
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struct rds_info_lengths {
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unsigned int nr;
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unsigned int each;
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};
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struct rds_info_iterator;
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/*
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* These functions must fill in the fields of @lens to reflect the size
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* of the available info source. If the snapshot fits in @len then it
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* should be copied using @iter. The caller will deduce if it was copied
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* or not by comparing the lengths.
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*/
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typedef void (*rds_info_func)(struct socket *sock, unsigned int len,
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struct rds_info_iterator *iter,
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struct rds_info_lengths *lens);
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void rds_info_register_func(int optname, rds_info_func func);
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void rds_info_deregister_func(int optname, rds_info_func func);
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int rds_info_getsockopt(struct socket *sock, int optname, char __user *optval,
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int __user *optlen);
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void rds_info_copy(struct rds_info_iterator *iter, void *data,
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unsigned long bytes);
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void rds_info_iter_unmap(struct rds_info_iterator *iter);
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#endif
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