{
SCSW *s = &sch->curr_status.scsw;
PMCW *p = &sch->curr_status.pmcw;
+ uint16_t oldflags;
int ret;
SCHIB schib;
copy_schib_from_guest(&schib, orig_schib);
/* Only update the program-modifiable fields. */
p->intparm = schib.pmcw.intparm;
+ oldflags = p->flags;
p->flags &= ~(PMCW_FLAGS_MASK_ISC | PMCW_FLAGS_MASK_ENA |
PMCW_FLAGS_MASK_LM | PMCW_FLAGS_MASK_MME |
PMCW_FLAGS_MASK_MP);
(PMCW_CHARS_MASK_MBFC | PMCW_CHARS_MASK_CSENSE);
sch->curr_status.mba = schib.mba;
+ /* Has the channel been disabled? */
+ if (sch->disable_cb && (oldflags & PMCW_FLAGS_MASK_ENA) != 0
+ && (p->flags & PMCW_FLAGS_MASK_ENA) == 0) {
+ sch->disable_cb(sch);
+ }
+
ret = 0;
out:
{
PMCW *p = &sch->curr_status.pmcw;
+ if ((p->flags & PMCW_FLAGS_MASK_ENA) != 0 && sch->disable_cb) {
+ sch->disable_cb(sch);
+ }
+
p->intparm = 0;
p->flags &= ~(PMCW_FLAGS_MASK_ISC | PMCW_FLAGS_MASK_ENA |
PMCW_FLAGS_MASK_LM | PMCW_FLAGS_MASK_MME |
uint8_t ccw_no_data_cnt;
/* transport-provided data: */
int (*ccw_cb) (SubchDev *, CCW1);
+ void (*disable_cb)(SubchDev *);
SenseId id;
void *driver_data;
};