/*
* clear metadevice or hotspare pool
*/
static int
clear_name(
mdsetname_t **spp,
char *uname,
mdcmdopts_t options,
md_error_t *ep
)
{
/* clear hotspare pool */
if (is_existing_hsp(*spp, uname)) {
mdhspname_t *hspnp;
/* get hotspare pool name */
if ((hspnp = metahspname(spp, uname, ep)) == NULL)
return (-1);
assert(*spp != NULL);
/* grab set lock */
if (meta_lock(*spp, TRUE, ep))
return (-1);
/* check for ownership */
if (meta_check_ownership(*spp, ep) != 0)
return (-1);
/* clear hotspare pool */
return (meta_hsp_reset(*spp, hspnp, options, ep));
}
/* clear metadevice */
else {
mdname_t *np;
/* check for ownership */
if (meta_check_ownership(*spp, ep) != 0)
return (-1);
/* get metadevice name */
if (((np = metaname(spp, uname, META_DEVICE, ep)) == NULL) ||
(metachkmeta(np, ep) != 0)) {
return (-1);
}
assert(*spp != NULL);
/* grab set lock */
if (meta_lock(*spp, TRUE, ep))
return (-1);
/* clear metadevice */
return (meta_reset_by_name(*spp, np, options, ep));
}
}
int
get_mdcomponents(char *uname, svm_info_t **svmpp)
{
svm_info_t *svmp;
md_error_t status, *ep;
mdname_t *namep;
mdnamelist_t *nlp = NULL;
mdnamelist_t *p;
mdsetname_t *sp = NULL;
char *strp = NULL;
int rval, cnt;
rval = RET_SUCCESS;
cnt = 0;
status = mdnullerror;
ep = &status;
svmp = *svmpp;
(void) init_metalib();
debug_printf("get_mdcomponents(): Enter unit name %s\n", uname);
if (((namep = metaname(&sp, uname, META_DEVICE, ep)) == NULL) ||
(metachkmeta(namep, ep) != 0)) {
debug_printf("get_mdcomponents(): "
"metaname or metachkmeta failed\n");
mdclrerror(ep);
return (RET_ERROR);
}
debug_printf("get_mdcomponents(): meta_getdevs %s\n", namep->cname);
if ((meta_getdevs(sp, namep, &nlp, ep)) < 0) {
debug_printf("get_mdcomponents(): "
"comp %s - meta_getdevs failed\n", uname);
metafreenamelist(nlp);
mdclrerror(ep);
return (RET_ERROR);
}
/* compute the number of devices */
for (p = nlp, cnt = 0; p != NULL; p = p->next, cnt++)
;
/*
* Need to add n -1 components since slvmp already has space
* for one device.
*/
svmp = (svm_info_t *)realloc(svmp, sizeof (svm_info_t) +
(sizeof (char *) * (cnt - 1)));
if (svmp == NULL) {
debug_printf("get_mdcomponents(): realloc of svmp failed\n");
metafreenamelist(nlp);
return (RET_ERROR);
}
for (p = nlp, cnt = 0; p != NULL; p = p->next, cnt++) {
mdname_t *devnp = p->namep;
if ((strp = strdup(devnp->cname)) == NULL) {
rval = RET_ERROR;
break;
}
svmp->md_comps[cnt] = strp;
}
/* count is set to the number of devices in the list */
svmp->count = cnt;
svmp->root_md = strdup(uname);
if (rval == RET_SUCCESS && svmp->root_md != NULL) {
debug_printf("get_mdcomponents(): root_md %s count %d \n",
svmp->root_md, svmp->count);
for (cnt = 0; cnt < svmp->count; cnt++)
debug_printf("get_mdcomponents(): %s\n",
svmp->md_comps[cnt]);
} else {
rval = RET_ERROR;
svm_free(svmp);
svmp = NULL;
debug_printf("get_mdcomponents(): malloc failed\n");
}
metafreenamelist(nlp);
*svmpp = svmp;
return (rval);
}
