1 // SPDX-License-Identifier: GPL-2.0
3 /* Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
4 * Use is subject to license terms.
6 * Copyright (c) 2015, 2017, Intel Corporation.
9 /* This file is part of Lustre, http://www.lustre.org/ */
11 #ifndef _LNET_NIDSTRINGS_H
12 #define _LNET_NIDSTRINGS_H
14 #include <linux/types.h>
15 #include <linux/lnet/lnet-types.h>
18 * Lustre Network Driver types.
21 /* Only add to these values (i.e. don't ever change or redefine them):
22 * network addresses depend on them...
24 * It is important to keep these definitions and the nidstring handlers
25 * in libcfs_netstrfns[] around for several releases after the actual
26 * LND support has been removed, so that it is still possible to use
27 * LNet routers between peers that may still be using the old LND type.
29 * The "removed" version is when the LND code was deleted.
30 * The nidstring handling was removed several releases later.
32 /* QSWLND = 1, removed v2_7_50_0-34-g8be9e41369 */
33 SOCKLND = 2, /* TCP Sockets */
34 /* GMLND = 3, removed v2_0_0-rc1a-16-gc660aac3 */
35 /* PTLLND = 4, removed v2_7_50_0-34-g8be9e41369 */
36 O2IBLND = 5, /* OpenFabrics Alliance OFED v2 */
37 /* CIBLND = 6, removed v2_0_0-rc1a-175-gd2b8a0e */
38 /* OPENIBLND = 7, removed v2_0_0-rc1a-175-gd2b8a0e */
39 /* IIBLND = 8, removed v2_0_0-rc1a-175-gd2b8a0e */
40 LOLND = 9, /* LNet internal loopback/memcpy */
41 /* RALND = 10, removed v2_7_50_0-34-g8be9e41369 */
42 /* VIBLND = 11, removed v2_0_0-rc1a-175-gd2b8a0e */
43 /* MXLND = 12, removed v2_7_50_0-34-g8be9e41369 */
44 GNILND = 13, /* Cray/HPE Gemini Network Interface */
45 GNIIPLND = 14, /* Cray/HPE Gemini IP Network Interface */
46 PTL4LND = 15, /* ATOS/Bull Portals 4 for BXI */
47 KFILND = 16, /* HPE Kernel Fabric Interface */
48 TOFULND = 17, /* Fujitsu Torus Fusion */
49 EFALND = 18, /* Amazon Elastic Fabric Adapter */
50 /* Please email adilger@whamcloud.com and lustre-devel@lists.lustre.org
51 * to reserve new LND numbers before they are used anywhere. This only
52 * takes a few minutes, and will save everyone a lot of grief later.
59 #define LNET_NIDSTR_COUNT 1024 /* # of nidstrings */
60 #define LNET_NIDSTR_SIZE 64 /* size of each one (see below for usage) */
62 /* support decl needed by both kernel and user space */
63 char *libcfs_next_nidstring(void);
64 int libcfs_isknown_lnd(__u32 lnd);
65 char *libcfs_lnd2modname(__u32 lnd);
66 char *libcfs_lnd2str_r(__u32 lnd, char *buf, __kernel_size_t buf_size);
67 static inline char *libcfs_lnd2str(__u32 lnd)
69 return libcfs_lnd2str_r(lnd, libcfs_next_nidstring(),
72 int libcfs_str2lnd(const char *str);
73 char *libcfs_net2str_r(__u32 net, char *buf, __kernel_size_t buf_size);
74 static inline char *libcfs_net2str(__u32 net)
76 return libcfs_net2str_r(net, libcfs_next_nidstring(),
79 char *libcfs_nid2str_r(lnet_nid_t nid, char *buf, __kernel_size_t buf_size);
80 static inline char *libcfs_nid2str(lnet_nid_t nid)
82 return libcfs_nid2str_r(nid, libcfs_next_nidstring(),
86 char *libcfs_nidstr_r(const struct lnet_nid *nid,
87 char *buf, __kernel_size_t buf_size);
89 static inline char *libcfs_nidstr(const struct lnet_nid *nid)
91 return libcfs_nidstr_r(nid, libcfs_next_nidstring(),
95 int libcfs_strnid(struct lnet_nid *nid, const char *str);
97 char *libcfs_idstr(struct lnet_processid *id);
99 __u32 libcfs_str2net(const char *str);
100 lnet_nid_t libcfs_str2nid(const char *str);
101 int libcfs_str2anynid(lnet_nid_t *nid, const char *str);
102 int libcfs_num_parse(char *str, int len, struct list_head *list);
103 char *libcfs_id2str(struct lnet_process_id id);
104 void cfs_free_nidlist(struct list_head *list);
106 int cfs_parse_nidlist(char *str, struct list_head *list);
108 int cfs_parse_nidlist(char *str, int len, struct list_head *list);
110 int cfs_print_nidlist(char *buffer, int count, struct list_head *list);
111 int cfs_match_nid(struct lnet_nid *nid, struct list_head *list);
112 int cfs_match_net(__u32 net_id, __u32 net_type,
113 struct list_head *net_num_list);
115 int cfs_ip_addr_parse(char *str, int len, struct list_head *list);
116 int cfs_ip_addr_match(__u32 addr, struct list_head *list);
117 int cfs_nidrange_find_min_max(struct list_head *nidlist, char *min_nid,
118 char *max_nid, __kernel_size_t nidstr_length);
119 void cfs_expr_list_free_list(struct list_head *list);
121 #endif /* _LNET_NIDSTRINGS_H */