/**
* find_slot
*
* Searches through all slots and returns a pointer to the slot
* whose location code matches the user input. If no slot is found,
* an error message is displayed and the entire command is exited.
*
* This routine uses a common function "cmp_drcname" so that all routines
* validating a slot name will compare on the same basis. A slot could be
* found, but if the "skip" field of the slot structure is set, we
* shouldn't use it.
*
* @returns pointer to slot on success, NULL otherwise
*/
static struct dr_node *
find_slot(char *drc_name, struct dr_node *all_nodes)
{
struct dr_node *node; /* working pointer */
/* Search through all_nodes to see if the
* user-specified location exists.
*/
node = all_nodes;
while (node != NULL) {
if (cmp_drcname(node->drc_name, drc_name))
break;
else
node = node->next;
}
if ((node == NULL) || (node->skip))
say(ERROR, "The specified PCI slot is either invalid\n"
"or does not support hot plug operations.\n");
return node;
}
/**
* lsslot_chrp_port
* @brief Print LHEA ports based on command line options
*
* @param opts
* @returns 0 on success, !0 otherwise
*/
int
lsslot_chrp_port(struct cmd_opts *opts)
{
struct dr_node *all_nodes; /* Pointer to list of all node info */
struct dr_node *node; /* Used to traverse list of node info */
struct dr_node *child; /* Used to traverse list of children */
char fmt[128];
struct print_node *p;
char *sheading = "LHEA port name"; /* Used in printing headers */
char *dheading = "Description"; /* Used in printing headers */
int rc = 0;
/* Set initial column sizes */
max_sname = MAX(max_sname, strlen(sheading));
max_desc = MAX(max_desc, strlen(dheading));
all_nodes = get_dlpar_nodes(HEA_NODES);
/* If nothing returned, then no hot plug node */
if (all_nodes == NULL) {
say(ERROR, "There are no LHEA ports on this system.\n");
return 1;
}
print_node_list(all_nodes);
/* Otherwise, run through the node list looking for the nodes
* we want to print
*/
for (node = all_nodes; node; node = node->next) {
if (node->skip)
continue;
for (child = node->children; child; child = child->next) {
if (child->skip)
continue;
/* If there is a search parameter, add matching ports.
* If there is no search, add all the ports.
*/
if (opts->s_name != NULL) {
if (cmp_drcname(child->drc_name, opts->s_name))
insert_print_node(child);
} else
insert_print_node(child);
}
}
if (print_list == NULL) {
/* If nothing to print, display message based on if
* user specified a slot or a device name.
*/
if (opts->s_name != NULL) {
say(ERROR, "The specified port was not found.\n");
rc = 1;
}
goto lsslot_port_exit;
}
/* This creates a format string so that port name and description
* prints out in the required field width. When the -F flag is
* specified, the format string contains the delimiting character
* which the user specified at the command line.
*/
if (opts->delim != NULL)
sprintf(fmt, "%s%s%s\n", "%s", opts->delim, "%s");
else {
sprintf(fmt, "%%-%ds%%-%ds\n", max_sname + 2, max_desc + 2);
/* Print out the header. */
printf(fmt, sheading, dheading);
}
/* Now run through the list of ports we actually want to print */
for (p = print_list; p != NULL; p = p->next) {
printf(fmt, p->node->drc_name, p->desc);
}
lsslot_port_exit:
free_print_list();
free_node(all_nodes);
return rc;
}
/**
* lsslot_chrp_pci
* @brief main entry point for lsslot command
*
* @param opts
* @returns 0 on success, !0 otherwise
*/
int
lsslot_chrp_pci(struct cmd_opts *opts)
{
struct dr_node *all_nodes; /* Pointer to list of all node info */
struct dr_node *node; /* Used to traverse list of node info */
char fmt[128];
struct print_node *p;
char *sheading = "# Slot"; /* Used in printing headers */
char *dheading = "Description"; /* Used in printing headers */
char *lheading = "Device(s)"; /* Used in printing headers */
char *lname_header = "Linux Name";
int rc = 0;
/* Set initial column sizes */
max_sname = MAX(max_sname, strlen(sheading));
max_desc = MAX(max_desc, strlen(dheading));
/* Get all of node(logical DR or PCI) node information */
if (opts->slot_type == PCI)
all_nodes = get_hp_nodes();
else
all_nodes = get_dlpar_nodes(PCI_NODES | VIO_NODES | HEA_NODES);
/* If nothing returned, then no hot plug node */
if (all_nodes == NULL) {
if (opts->slot_type == PCI)
say(ERROR, "There are no PCI hot plug slots on "
"this system.\n");
else
say(ERROR, "There are no DR slots on this system.\n");
return 0;
}
print_node_list(all_nodes);
/* Otherwise, run through the node list looking for the nodes
* we want to print
*/
for (node = all_nodes; node; node = node->next) {
if (! node->is_owned || node->skip)
continue;
if (opts->s_name != NULL) {
if (cmp_drcname(node->drc_name, opts->s_name))
insert_print_node(node);
}
/* If aflag and slot is empty, then format the slot */
else if (opts->a_flag && (node->children == NULL))
insert_print_node(node);
/* If oflag and slot occupied, then format the slot */
else if (opts->o_flag && (node->children != NULL))
insert_print_node(node);
}
if (print_list == NULL) {
/* If nothing to print, display message based on if
* user specified a slot or a device name.
*/
if (opts->s_name != NULL) {
say(ERROR, "The specified PCI slot is either invalid\n"
"or does not support hot plug operations.\n");
rc = 1;
}
goto lsslot_pci_exit;
}
/* This creates a format string so that slot name and description
* prints out in the required field width. When the -F flag is
* specified, the format string contains the delimiting character
* which the user specified at the command line.
*/
if (opts->slot_type == SLOT) {
if (opts->delim != NULL)
sprintf(fmt, "%s%s%s%s%s%s", "%s", opts->delim,
"%s", opts->delim, "%s", opts->delim);
else {
sprintf(fmt, "%%-%ds%%-%ds%%-%ds", max_sname + 2,
max_desc + 2, LNAME_SIZE + 2);
/* Print out the header. */
printf(fmt, sheading, dheading, lname_header);
printf("%s\n", lheading);
}
} else {
if (opts->delim != NULL)
sprintf(fmt, "%s%s%s%s", "%s", opts->delim,
"%s", opts->delim);
else {
sprintf(fmt, "%%-%ds%%-%ds", max_sname + 2,
max_desc + 2);
/* Print out the header. */
printf(fmt, sheading, dheading);
printf("%s\n", lheading);
}
}
/* Now run through the list of slots we actually want to print */
for (p = print_list; p != NULL; p = p->next) {
if (! p->node->is_owned) {
/* skip it, because the partition doesn't own it */
continue;
}
if (opts->slot_type == SLOT)
print_drslot_line(p, fmt);
else
print_phpslot_line(p, fmt);
}
lsslot_pci_exit:
free_print_list();
free_node(all_nodes);
return rc;
}
