*/
#include <linux/module.h>
-#include <linux/config.h>
#include <linux/slab.h>
#include <linux/init.h>
#include <linux/device.h>
/* Check for single path devices. */
if (sch->schib.pmcw.pim == 0x80)
goto out_unreg;
- if (sch->vpm == mask)
- goto out_unreg;
if ((sch->schib.scsw.actl & SCSW_ACTL_DEVACT) &&
(sch->schib.scsw.actl & SCSW_ACTL_SCHACT) &&
- (sch->schib.pmcw.lpum == mask) &&
- (sch->vpm == 0)) {
+ (sch->schib.pmcw.lpum == mask)) {
int cc;
cc = cio_clear(sch);
/* trigger path verification. */
if (sch->driver && sch->driver->verify)
sch->driver->verify(&sch->dev);
+ else if (sch->vpm == mask)
+ goto out_unreg;
out_unlock:
spin_unlock_irq(&sch->lock);
return 0;
chp = to_channelpath(container_of(kobj, struct device, kobj));
css = to_css(chp->dev.parent);
- size = sizeof(struct cmg_chars);
+ size = sizeof(struct cmg_entry);
/* Only allow single reads. */
if (off || count < size)
return 0;
chp_measurement_copy_block((struct cmg_entry *)buf, css, chp->id);
+ count = size;
return count;
}
/* fill in status, etc. */
chp->id = chpid;
chp->state = 1;
- chp->dev = (struct device) {
- .parent = &css[0]->device,
- .release = chp_release,
- };
+ chp->dev.parent = &css[0]->device;
+ chp->dev.release = chp_release;
snprintf(chp->dev.bus_id, BUS_ID_SIZE, "chp0.%x", chpid);
/* Obtain channel path description and fill it in. */
return desc;
}
+static int reset_channel_path(struct channel_path *chp)
+{
+ int cc;
+
+ cc = rchp(chp->id);
+ switch (cc) {
+ case 0:
+ return 0;
+ case 2:
+ return -EBUSY;
+ default:
+ return -ENODEV;
+ }
+}
+
+static void reset_channel_paths_css(struct channel_subsystem *css)
+{
+ int i;
+
+ for (i = 0; i <= __MAX_CHPID; i++) {
+ if (css->chps[i])
+ reset_channel_path(css->chps[i]);
+ }
+}
+
+void cio_reset_channel_paths(void)
+{
+ int i;
+
+ for (i = 0; i <= __MAX_CSSID; i++) {
+ if (css[i] && css[i]->valid)
+ reset_channel_paths_css(css[i]);
+ }
+}
static int __init
chsc_alloc_sei_area(void)