1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 * vim:expandtab:shiftwidth=8:tabstop=8:
4 * Copyright (C) 2002 Cluster File Systems, Inc.
5 * Author: Robert Read <rread@clusterfs.com>
7 * This file is part of Lustre, http://www.lustre.org.
9 * Lustre is free software; you can redistribute it and/or
10 * modify it under the terms of version 2 of the GNU General Public
11 * License as published by the Free Software Foundation.
13 * Lustre is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with Lustre; if not, write to the Free Software
20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
30 #include <sys/mount.h>
34 #include <portals/ptlctl.h>
41 update_mtab_entry(char *spec, char *node, char *type, char *opts,
42 int flags, int freq, int pass)
47 mnt.mnt_fsname = spec;
50 mnt.mnt_opts = opts ? opts : "";
52 mnt.mnt_passno = pass;
55 fp = setmntent(MOUNTED, "a+");
57 fprintf(stderr, "setmntent(%s): %s:", MOUNTED,
60 if ((addmntent (fp, &mnt)) == 1) {
61 fprintf(stderr, "addmntent: %s:",
70 init_options(struct lustre_mount_data *lmd)
72 memset(lmd, 0, sizeof(lmd));
73 lmd->lmd_magic = LMD_MAGIC;
74 lmd->lmd_server_nid = PTL_NID_ANY;
75 lmd->lmd_local_nid = PTL_NID_ANY;
76 lmd->lmd_port = 988; /* XXX define LUSTRE_DEFAULT_PORT */
77 lmd->lmd_nal = SOCKNAL;
82 print_options(struct lustre_mount_data *lmd)
84 printf("mds: %s\n", lmd->lmd_mds);
85 printf("profile: %s\n", lmd->lmd_profile);
86 printf("server_nid: "LPX64"\n", lmd->lmd_server_nid);
87 printf("local_nid: "LPX64"\n", lmd->lmd_local_nid);
88 printf("nal: %d\n", lmd->lmd_nal);
89 printf("server_ipaddr: 0x%x\n", lmd->lmd_server_ipaddr);
90 printf("port: %d\n", lmd->lmd_port);
96 parse_options(char * options, struct lustre_mount_data *lmd)
103 /* parsing ideas here taken from util-linux/mount/nfsmount.c */
104 for (opt = strtok(options, ","); opt; opt = strtok(NULL, ",")) {
105 if ((opteq = strchr(opt, '='))) {
106 val = atoi(opteq + 1);
108 if (!strcmp(opt, "nettype")) {
109 lmd->lmd_nal = ptl_name2nal(opteq+1);
110 } else if(!strcmp(opt, "local_nid")) {
111 if (ptl_parse_nid(&nid, opteq+1) != 0) {
112 fprintf (stderr, "mount: "
113 "can't parse NID %s\n",
117 lmd->lmd_local_nid = nid;
118 } else if(!strcmp(opt, "server_nid")) {
119 if (ptl_parse_nid(&nid, opteq+1) != 0) {
120 fprintf (stderr, "mount: "
121 "can't parse NID %s\n",
125 lmd->lmd_server_nid = nid;
126 } else if (!strcmp(opt, "port")) {
131 if (!strncmp(opt, "no", 2)) {
135 if (!strcmp(opt, "debug")) {
144 get_local_elan_id(char *fname, char *buf)
146 FILE *fp = fopen(fname, "r");
152 rc = fscanf(fp, "NodeId %255s", buf);
156 return (rc == 1) ? 0 : -1;
160 set_local(struct lustre_mount_data *lmd)
163 * XXX PtlGetId() will be safer if portals is loaded and
164 * initialised correctly at this time... */
169 if (lmd->lmd_local_nid != PTL_NID_ANY)
172 memset(buf, 0, sizeof(buf));
174 if (lmd->lmd_nal == SOCKNAL || lmd->lmd_nal == TCPNAL) {
175 rc = gethostname(buf, sizeof(buf) - 1);
177 fprintf (stderr, "mount: can't get local buf:"
181 } else if (lmd->lmd_nal == QSWNAL) {
182 char *pfiles[] = {"/proc/qsnet/elan3/device0/position",
183 "/proc/qsnet/elan4/device0/position",
184 "/proc/elan/device0/position",
189 rc = get_local_elan_id(pfiles[i], buf);
190 } while (rc != 0 && pfiles[++i] != NULL);
194 "mount: can't read Elan ID from /proc\n");
199 if (ptl_parse_nid (&nid, buf) != 0) {
200 fprintf (stderr, "mount: can't parse NID %s\n", buf);
204 lmd->lmd_local_nid = nid;
209 set_peer(char *hostname, struct lustre_mount_data *lmd)
214 if (lmd->lmd_nal == SOCKNAL || lmd->lmd_nal == TCPNAL) {
215 if (lmd->lmd_server_nid == PTL_NID_ANY) {
216 if (ptl_parse_nid (&nid, hostname) != 0) {
217 fprintf (stderr, "mount: can't parse NID %s\n",
221 lmd->lmd_server_nid = nid;
224 if (ptl_parse_ipaddr(&lmd->lmd_server_ipaddr, hostname) != 0) {
225 fprintf (stderr, "mount: can't parse host %s\n",
229 } else if (lmd->lmd_nal == QSWNAL) {
231 rc = sscanf(hostname, "%*[^0-9]%63[0-9]", buf);
233 fprintf (stderr, "mount: can't get elan id from host %s\n",
237 if (ptl_parse_nid (&nid, buf) != 0) {
238 fprintf (stderr, "mount: can't parse NID %s\n",
242 lmd->lmd_server_nid = nid;
250 build_data(char *source, char *options, struct lustre_mount_data *lmd)
253 char *hostname = NULL;
255 char *profile = NULL;
259 if (lmd_bad_magic(lmd))
262 if (strlen(source) > sizeof(target) + 1) {
263 fprintf(stderr, "mount: "
264 "exessively long host:/mds/profile argument\n");
267 strcpy(target, source);
268 if ((s = strchr(target, ':'))) {
275 if ((s = strchr(mds, '/'))) {
279 fprintf(stderr, "mount: "
280 "directory to mount not in "
281 "host:/mds/profile format\n");
285 fprintf(stderr, "mount: "
286 "directory to mount not in host:/mds/profile format\n");
290 printf("host: %s\nmds: %s\nprofile: %s\n", hostname, mds,
293 rc = parse_options(options, lmd);
301 rc = set_peer(hostname, lmd);
304 if (strlen(mds) > sizeof(lmd->lmd_mds) + 1) {
305 fprintf(stderr, "mount: mds name too long\n");
308 strcpy(lmd->lmd_mds, mds);
310 if (strlen(profile) > sizeof(lmd->lmd_profile) + 1) {
311 fprintf(stderr, "mount: profile name too long\n");
314 strcpy(lmd->lmd_profile, profile);
322 main(int argc, char * const argv[])
324 char * source = argv[1];
325 char * target = argv[2];
329 struct lustre_mount_data lmd;
333 while ((opt = getopt(argc, argv, "vno:")) != EOF) {
337 printf("verbose: %d\n", verbose);
342 printf("nomtab: %d\n", nomtab);
356 printf("Too few args!\n");
357 printf("Usage: %s <source> <target> [-v] [-n] [-o ...]\n", argv[0]);
362 for (i = 0; i < argc; i++) {
363 printf("arg[%d] = %s\n", i, argv[i]);
367 rc = build_data(source, options, &lmd);
373 printf("mount: debug mode, not mounting\n");
377 rc = mount(source, target, "lustre", 0, (void *)&lmd);
381 update_mtab_entry(source, target, "lustre", options, 0, 0, 0);