/* 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, sockopt_t *opt); 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