static void chsc_process_sei_chp_avail(struct chsc_sei_nt0_area *sei_area)
{
struct channel_path *chp;
struct chp_id chpid;
u8 *data;
int num;
CIO_CRW_EVENT(4, "chsc: channel path availability information\n");
if (sei_area->rs != 0)
return;
data = sei_area->ccdf;
chp_id_init(&chpid);
for (num = 0; num <= __MAX_CHPID; num++) {
if (!chp_test_bit(data, num))
continue;
chpid.id = num;
CIO_CRW_EVENT(4, "Update information for channel path "
"%x.%02x\n", chpid.cssid, chpid.id);
chp = chpid_to_chp(chpid);
if (!chp) {
chp_new(chpid);
continue;
}
mutex_lock(&chp->lock);
chsc_determine_base_channel_path_desc(chpid, &chp->desc);
mutex_unlock(&chp->lock);
}
}
static void chsc_process_sei_chp_config(struct chsc_sei_nt0_area *sei_area)
{
struct chp_config_data *data;
struct chp_id chpid;
int num;
char *events[3] = {"configure", "deconfigure", "cancel deconfigure"};
CIO_CRW_EVENT(4, "chsc: channel-path-configuration notification\n");
if (sei_area->rs != 0)
return;
data = (struct chp_config_data *) &(sei_area->ccdf);
chp_id_init(&chpid);
for (num = 0; num <= __MAX_CHPID; num++) {
if (!chp_test_bit(data->map, num))
continue;
chpid.id = num;
pr_notice("Processing %s for channel path %x.%02x\n",
events[data->op], chpid.cssid, chpid.id);
switch (data->op) {
case 0:
chp_cfg_schedule(chpid, 1);
break;
case 1:
chp_cfg_schedule(chpid, 0);
break;
case 2:
chp_cfg_cancel_deconfigure(chpid);
break;
}
}
}
static void chsc_process_sei_chp_config(struct chsc_sei_area *sei_area)
{
struct chp_config_data *data;
struct chp_id chpid;
int num;
CIO_CRW_EVENT(4, "chsc: channel-path-configuration notification\n");
if (sei_area->rs != 0)
return;
data = (struct chp_config_data *) &(sei_area->ccdf);
chp_id_init(&chpid);
for (num = 0; num <= __MAX_CHPID; num++) {
if (!chp_test_bit(data->map, num))
continue;
chpid.id = num;
printk(KERN_WARNING "cio: processing configure event %d for "
"chpid %x.%02x\n", data->op, chpid.cssid, chpid.id);
switch (data->op) {
case 0:
chp_cfg_schedule(chpid, 1);
break;
case 1:
chp_cfg_schedule(chpid, 0);
break;
case 2:
chp_cfg_cancel_deconfigure(chpid);
break;
}
}
}
/**
* chp_info_get_status - retrieve configure status of a channel-path
* @chpid: channel-path ID
*
* On success, return 0 for standby, 1 for configured, 2 for reserved,
* 3 for not recognized. Return negative error code on error.
*/
int chp_info_get_status(struct chp_id chpid)
{
int rc;
int bit;
rc = info_update();
if (rc)
return rc;
bit = info_bit_num(chpid);
mutex_lock(&info_lock);
if (!chp_test_bit(chp_info.recognized, bit))
rc = CHP_STATUS_NOT_RECOGNIZED;
else if (chp_test_bit(chp_info.configured, bit))
rc = CHP_STATUS_CONFIGURED;
else if (chp_test_bit(chp_info.standby, bit))
rc = CHP_STATUS_STANDBY;
else
rc = CHP_STATUS_RESERVED;
mutex_unlock(&info_lock);
return rc;
}