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