We await CC=1 when we issue a SSCH on a channel with status pending.
Signed-off-by: Pierre Morel <pmorel@xxxxxxxxxxxxx>
---
lib/s390x/css.h | 2 ++
s390x/css.c | 10 ++++++++++
2 files changed, 12 insertions(+)
diff --git a/lib/s390x/css.h b/lib/s390x/css.h
index 08b2974..3eb6957 100644
--- a/lib/s390x/css.h
+++ b/lib/s390x/css.h
@@ -90,6 +90,8 @@ struct scsw {
#define SCSW_ESW_FORMAT 0x04000000
#define SCSW_SUSPEND_CTRL 0x08000000
#define SCSW_KEY 0xf0000000
+#define SCSW_SSCH_COMPLETED (SCSW_CCW_FORMAT | SCSW_FC_START | SCSW_SC_PENDING | SCSW_SC_SECONDARY | \
+ SCSW_SC_PRIMARY)
uint32_t ctrl;
uint32_t ccw_addr;
#define SCSW_DEVS_DEV_END 0x04
diff --git a/s390x/css.c b/s390x/css.c
index f8c6688..52264f2 100644
--- a/s390x/css.c
+++ b/s390x/css.c
@@ -258,6 +258,15 @@ static void ssch_orb_fcx(void)
orb->ctrl = tmp;
}
+static void ssch_status_pending(void)
+{
+ assert(ssch(test_device_sid, orb) == 0);
+ report(ssch(test_device_sid, orb) == 1, "CC = 1");
+ /* now we clear the status */
+ assert(tsch(test_device_sid, &irb) == 0);
+ check_io_completion(test_device_sid, SCSW_SSCH_COMPLETED);
+}
+
static struct tests ssh_tests[] = {
{ "privilege", ssch_privilege },
{ "orb cpa zero", ssch_orb_cpa_zero },
@@ -269,6 +278,7 @@ static struct tests ssh_tests[] = {
{ "ORB reserved CTRL bits", ssch_orb_ctrl },
{ "ORB extensions", ssch_orb_extension},
{ "FC extensions", ssch_orb_fcx},
+ { "status pending before ssch", ssch_status_pending},
{ NULL, NULL }
};
--
2.17.1
