2 * Copyright (c) 2004, 2005 Christophe Varoqui
3 * Copyright (c) 2004 Stefan Bader, IBM
7 #include <libdevmapper.h>
17 #include "structs_vec.h"
18 #include "blacklist.h"
26 pp = (struct path *)MALLOC(sizeof(struct path));
29 pp->sg_id.host_no = -1;
30 pp->sg_id.channel = -1;
31 pp->sg_id.scsi_id = -1;
39 free_path (struct path * pp)
44 if (checker_selected(&pp->checker))
45 checker_put(&pp->checker);
54 free_pathvec (vector vec, int free_paths)
63 vector_foreach_slot(vec, pp, i)
70 alloc_pathgroup (void)
72 struct pathgroup * pgp;
74 pgp = (struct pathgroup *)MALLOC(sizeof(struct pathgroup));
79 pgp->paths = vector_alloc();
88 free_pathgroup (struct pathgroup * pgp, int free_paths)
93 free_pathvec(pgp->paths, free_paths);
98 free_pgvec (vector pgvec, int free_paths)
101 struct pathgroup * pgp;
106 vector_foreach_slot(pgvec, pgp, i)
107 free_pathgroup(pgp, free_paths);
113 alloc_multipath (void)
115 struct multipath * mpp;
117 mpp = (struct multipath *)MALLOC(sizeof(struct multipath));
126 free_multipath_attributes (struct multipath * mpp)
132 mpp->selector != conf->selector &&
133 (!mpp->mpe || (mpp->mpe && mpp->selector != mpp->mpe->selector)) &&
134 (!mpp->hwe || (mpp->hwe && mpp->selector != mpp->hwe->selector))) {
136 mpp->selector = NULL;
140 mpp->features != conf->features &&
141 (!mpp->hwe || (mpp->hwe && mpp->features != mpp->hwe->features))) {
143 mpp->features = NULL;
146 if (mpp->hwhandler &&
147 mpp->hwhandler != conf->hwhandler &&
148 (!mpp->hwe || (mpp->hwe && mpp->hwhandler != mpp->hwe->hwhandler))) {
149 FREE(mpp->hwhandler);
150 mpp->hwhandler = NULL;
155 free_multipath (struct multipath * mpp, int free_paths)
160 free_multipath_attributes(mpp);
163 (!mpp->mpe || (mpp->mpe && mpp->alias != mpp->mpe->alias)) &&
164 (mpp->wwid && mpp->alias != mpp->wwid)) {
174 * better own vecs->lock here
177 ((struct event_thread *)mpp->waiter)->mpp = NULL;
180 free_pathvec(mpp->paths, free_paths);
181 free_pgvec(mpp->pg, free_paths);
186 drop_multipath (vector mpvec, char * wwid, int free_paths)
189 struct multipath * mpp;
194 vector_foreach_slot (mpvec, mpp, i) {
195 if (!strncmp(mpp->wwid, wwid, WWID_SIZE)) {
196 free_multipath(mpp, free_paths);
197 vector_del_slot(mpvec, i);
204 free_multipathvec (vector mpvec, int free_paths)
207 struct multipath * mpp;
212 vector_foreach_slot (mpvec, mpp, i)
213 free_multipath(mpp, free_paths);
219 store_path (vector pathvec, struct path * pp)
221 if (!vector_alloc_slot(pathvec))
224 vector_set_slot(pathvec, pp);
230 store_pathgroup (vector pgvec, struct pathgroup * pgp)
232 if (!vector_alloc_slot(pgvec))
235 vector_set_slot(pgvec, pgp);
241 find_mp_by_minor (vector mpvec, int minor)
244 struct multipath * mpp;
249 vector_foreach_slot (mpvec, mpp, i) {
253 if (mpp->dmi->minor == minor)
260 find_mp_by_wwid (vector mpvec, char * wwid)
263 struct multipath * mpp;
268 vector_foreach_slot (mpvec, mpp, i)
269 if (!strncmp(mpp->wwid, wwid, WWID_SIZE))
276 find_mp_by_alias (vector mpvec, char * alias)
280 struct multipath * mpp;
290 vector_foreach_slot (mpvec, mpp, i) {
291 if (strlen(mpp->alias) == len &&
292 !strncmp(mpp->alias, alias, len))
299 find_mp_by_str (vector mpvec, char * str)
303 if (sscanf(str, "dm-%d", &minor) == 1)
304 return find_mp_by_minor(mpvec, minor);
306 return find_mp_by_alias(mpvec, str);
310 find_path_by_dev (vector pathvec, char * dev)
318 vector_foreach_slot (pathvec, pp, i)
319 if (!strcmp_chomp(pp->dev, dev))
322 condlog(3, "%s: not found in pathvec", dev);
327 find_path_by_devt (vector pathvec, char * dev_t)
335 vector_foreach_slot (pathvec, pp, i)
336 if (!strcmp_chomp(pp->dev_t, dev_t))
339 condlog(3, "%s: not found in pathvec", dev_t);
344 pathcountgr (struct pathgroup * pgp, int state)
350 vector_foreach_slot (pgp->paths, pp, i)
351 if ((pp->state == state) || (state < 0))
358 pathcount (struct multipath * mpp, int state)
360 struct pathgroup *pgp;
364 vector_foreach_slot (mpp->pg, pgp, i)
365 count += pathcountgr(pgp, state);