/**
* mem_remove
*
* @return 0 on success, !0 otherwise
*/
static int mem_remove(void)
{
struct lmb_list_head *lmb_list;
struct dr_node *lmb;
unsigned int removable = 0;
int rc = 0;
lmb_list = get_lmbs(LMB_RANDOM_SORT);
if (lmb_list == NULL) {
say(ERROR, "Could not gather LMB (logical memory block "
"information.\n");
return -1;
}
/* Can not know which lmbs are removable by the is_removable field
* if AMS ballooning is active.
*/
if (!ams_balloon_active()) {
/* Make sure we have enough removable memory to fulfill
* this request
*/
for (lmb = lmb_list->lmbs; lmb; lmb = lmb->next) {
if (lmb->is_removable)
removable++;
}
if (removable == 0) {
say(ERROR, "There is not enough removable memory "
"available to fulfill the request.\n");
rc = -1;
}
if (removable < usr_drc_count) {
say(INFO, "Only %u LMBs are currently candidates "
"for removal.\n", removable);
usr_drc_count = removable;
}
}
if (!rc) {
say(DEBUG, "Attempting removal of %d LMBs\n", usr_drc_count);
rc = remove_lmbs(lmb_list);
}
say(ERROR, "Removed %d of %d requested LMB(s)\n",
lmb_list->lmbs_modified, usr_drc_count);
if (lmb_list->lmbs_modified < usr_drc_count)
say(ERROR, "Unable to hotplug remove the remaining %d LMB(s)\n",
usr_drc_count - lmb_list->lmbs_modified);
report_resource_count(lmb_list->lmbs_modified);
free_lmbs(lmb_list);
return rc;
}
int
lsslot_chrp_mem(struct cmd_opts *opts)
{
struct lmb_list_head *lmb_list;
struct dr_node *lmb;
struct mem_scn *scn;
int scn_offset = strlen("/sys/devices/system/memory/memory");
int lmb_offset = strlen(OFDT_BASE);
lmb_list = get_lmbs(LMB_NORMAL_SORT);
if (lmb_list == NULL || lmb_list->lmbs == NULL)
return -1;
if (lmb_list->drconf_buf) {
print_drconf_mem(opts, lmb_list);
} else {
printf("lmb size: 0x%x\n", lmb_list->lmbs->lmb_size);
printf("%-20s %-5s %c %s\n", "Memory Node", "Name", 'R',
"Sections");
printf("%-20s %-5s %c %s\n", "-----------", "----", '-',
"--------");
for (lmb = lmb_list->lmbs; lmb; lmb = lmb->next) {
int first = 1;
if (!lmb->is_owned)
continue;
if (!lmb_list->drconf_buf)
printf("%-20s ", &lmb->ofdt_path[lmb_offset]);
printf("%-5s %c ", lmb->drc_name,
lmb->is_removable ? 'Y' : 'N');
for (scn = lmb->lmb_mem_scns; scn; scn = scn->next) {
if (first) {
printf(" %s",
&scn->sysfs_path[scn_offset]);
first = 0;
} else
printf(", %s",
&scn->sysfs_path[scn_offset]);
}
printf("\n");
}
}
free_lmbs(lmb_list);
return 0;
}
/**
* mem_add
* @brief Add memory to the partition
*
* @returns 0 on success, !0 otherwise
*/
static int mem_add(void)
{
struct lmb_list_head *lmb_list;
int rc;
lmb_list = get_lmbs(LMB_NORMAL_SORT);
if (lmb_list == NULL) {
say(ERROR, "Could not gather LMB (logical memory block "
"information.\n");
return -1;
}
say(DEBUG, "Attempting to add %d LMBs\n", usr_drc_count);
rc = add_lmbs(lmb_list);
say(DEBUG, "Added %d of %d requested LMB(s)\n", lmb_list->lmbs_modified,
usr_drc_count);
report_resource_count(lmb_list->lmbs_modified);
free_lmbs(lmb_list);
return rc;
}
