Viewing: nidstr.h
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/* Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
* Copyright (c) 2015, 2017, Intel Corporation.
*/
/* This file is part of Lustre, http://www.lustre.org/ */
#ifndef _LNET_NIDSTRINGS_H
#define _LNET_NIDSTRINGS_H
#include <linux/types.h>
#include <linux/lnet/lnet-types.h>
/**
* Lustre Network Driver types.
*/
enum {
/* Only add to these values (i.e. don't ever change or redefine them):
* network addresses depend on them...
*
* It is important to keep these definitions and the nidstring handlers
* in libcfs_netstrfns[] around for several releases after the actual
* LND support has been removed, so that it is still possible to use
* LNet routers between peers that may still be using the old LND type.
*
* The "removed" version is when the LND code was deleted.
* The nidstring handling was removed several releases later.
*/
/* QSWLND = 1, removed v2_7_50_0-34-g8be9e41369 */
SOCKLND = 2, /* TCP Sockets */
/* GMLND = 3, removed v2_0_0-rc1a-16-gc660aac3 */
/* PTLLND = 4, removed v2_7_50_0-34-g8be9e41369 */
O2IBLND = 5, /* OpenFabrics Alliance OFED v2 */
/* CIBLND = 6, removed v2_0_0-rc1a-175-gd2b8a0e */
/* OPENIBLND = 7, removed v2_0_0-rc1a-175-gd2b8a0e */
/* IIBLND = 8, removed v2_0_0-rc1a-175-gd2b8a0e */
LOLND = 9, /* LNet internal loopback/memcpy */
/* RALND = 10, removed v2_7_50_0-34-g8be9e41369 */
/* VIBLND = 11, removed v2_0_0-rc1a-175-gd2b8a0e */
/* MXLND = 12, removed v2_7_50_0-34-g8be9e41369 */
GNILND = 13, /* Cray/HPE Gemini Network Interface */
GNIIPLND = 14, /* Cray/HPE Gemini IP Network Interface */
PTL4LND = 15, /* ATOS/Bull Portals 4 for BXI */
KFILND = 16, /* HPE Kernel Fabric Interface */
TOFULND = 17, /* Fujitsu Torus Fusion */
EFALND = 18, /* Amazon Elastic Fabric Adapter */
BXI3LND = 19, /* Bull BXIv3 Fabric Interface */
/* Please send email to both adilger@thelustrecollective.com and
* lustre-devel@lists.lustre.org to reserve new LND numbers before
* they are used anywhere. This will only take a few minutes,
* and will save everyone a lot of grief later.
*/
NUM_LNDS
};
struct list_head;
#define LNET_NIDSTR_COUNT 1024 /* # of nidstrings */
#define LNET_NIDSTR_SIZE 64 /* size of each one (see below for usage) */
/* support decl needed by both kernel and user space */
char *libcfs_next_nidstring(void);
int libcfs_isknown_lnd(__u32 lnd);
char *libcfs_lnd2modname(__u32 lnd);
char *libcfs_lnd2str_r(__u32 lnd, char *buf, __kernel_size_t buf_size);
static inline char *libcfs_lnd2str(__u32 lnd)
{
return libcfs_lnd2str_r(lnd, libcfs_next_nidstring(),
LNET_NIDSTR_SIZE);
}
int libcfs_str2lnd(const char *str);
char *libcfs_net2str_r(__u32 net, char *buf, __kernel_size_t buf_size);
static inline char *libcfs_net2str(__u32 net)
{
return libcfs_net2str_r(net, libcfs_next_nidstring(),
LNET_NIDSTR_SIZE);
}
char *libcfs_nid2str_r(lnet_nid_t nid, char *buf, __kernel_size_t buf_size);
static inline char *libcfs_nid2str(lnet_nid_t nid)
{
return libcfs_nid2str_r(nid, libcfs_next_nidstring(),
LNET_NIDSTR_SIZE);
}
char *libcfs_nidstr_r(const struct lnet_nid *nid,
char *buf, __kernel_size_t buf_size);
static inline char *libcfs_nidstr(const struct lnet_nid *nid)
{
return libcfs_nidstr_r(nid, libcfs_next_nidstring(),
LNET_NIDSTR_SIZE);
}
int libcfs_strnid(struct lnet_nid *nid, const char *str);
#ifdef __KERNEL__
char *libcfs_idstr(struct lnet_processid *id);
u8 cfs_nidmask_get_length(struct list_head *nidlist);
int cfs_nidmask_get_base_nidstr(char *buf, int count,
struct list_head *nidlist);
#endif
__u32 libcfs_str2net(const char *str);
lnet_nid_t libcfs_str2nid(const char *str);
int libcfs_str2anynid(lnet_nid_t *nid, const char *str);
int libcfs_stranynid(struct lnet_nid *nid, const char *str);
int libcfs_num_parse(char *str, int len, struct list_head *list);
char *libcfs_id2str(struct lnet_process_id id);
void cfs_free_nidlist(struct list_head *list);
int cfs_parse_nidlist(char *str, int len, struct list_head *list);
int cfs_print_nidlist(char *buffer, int count, struct list_head *list);
int cfs_match_nid(const struct lnet_nid *nid, struct list_head *list);
int cfs_match_net(__u32 net_id, __u32 net_type,
struct list_head *net_num_list);
int cfs_ip_addr_parse(char *str, int len, struct list_head *list);
int cfs_ip_addr_match(__u32 addr, struct list_head *list);
int libcfs_ip_in_netmask(const __be32 *addr, size_t asize,
const __be32 *netmask,
const __be32 *netaddr);
int cfs_nidrange_find_min_max(struct list_head *nidlist, char *min_nid,
char *max_nid, __kernel_size_t nidstr_length);
void cfs_expr_list_free_list(struct list_head *list);
char *cfs_nidstr_find_delimiter(char *buf);
#endif /* _LNET_NIDSTRINGS_H */
