1/*
2 * This file contains definitions imported from the OFED rds header info.h.
3 * Oracle elects to have and use the contents of info.h under and
4 * governed by the OpenIB.org BSD license.
5 */
6
7/*
8 * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
9 */
10
11#ifndef _RDSV3_INFO_H
12#define	_RDSV3_INFO_H
13
14struct rdsv3_info_iterator {
15	char *addr;
16	unsigned long offset;
17};
18
19struct rdsv3_info_lengths {
20	unsigned int	nr;
21	unsigned int	each;
22};
23
24struct rdsv3_sock;
25
26/*
27 * These functions must fill in the fields of @lens to reflect the size
28 * of the available info source.  If the snapshot fits in @len then it
29 * should be copied using @iter.  The caller will deduce if it was copied
30 * or not by comparing the lengths.
31 */
32typedef void (*rdsv3_info_func)(struct rsock *sock, unsigned int len,
33    struct rdsv3_info_iterator *iter,
34    struct rdsv3_info_lengths *lens);
35
36#define	rdsv3_info_copy(iter, data, bytes)			\
37	(void) ddi_copyout(data, iter->addr + iter->offset, bytes, 0);	\
38	iter->offset += bytes
39
40void rdsv3_info_register_func(int optname, rdsv3_info_func func);
41void rdsv3_info_deregister_func(int optname, rdsv3_info_func func);
42int rdsv3_info_ioctl(struct rsock *sock, int optname, char *optval,
43    int32_t *rvalp);
44
45#endif /* _RDSV3_INFO_H */
46