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31 lines
973 B
31 lines
973 B
/* 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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