1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
|
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _RDS_INFO_H
#define _RDS_INFO_H
struct rds_info_lengths {
unsigned int nr;
unsigned int each;
};
struct rds_info_iterator;
/*
* These functions must fill in the fields of @lens to reflect the size
* of the available info source. If the snapshot fits in @len then it
* should be copied using @iter. The caller will deduce if it was copied
* or not by comparing the lengths.
*/
typedef void (*rds_info_func)(struct socket *sock, unsigned int len,
struct rds_info_iterator *iter,
struct rds_info_lengths *lens);
void rds_info_register_func(int optname, rds_info_func func);
void rds_info_deregister_func(int optname, rds_info_func func);
int rds_info_getsockopt(struct socket *sock, int optname, char __user *optval,
int __user *optlen);
void rds_info_copy(struct rds_info_iterator *iter, void *data,
unsigned long bytes);
void rds_info_iter_unmap(struct rds_info_iterator *iter);
#endif
|
