From: Steffen Eiden <seiden@xxxxxxxxxxxxx>
Some tests need the information provided by the QUI UVC and lib/s390x/uv.c
already has cached the qui result. Let's add a function to avoid
unnecessary QUI UVCs.
Signed-off-by: Steffen Eiden <seiden@xxxxxxxxxxxxx>
Reviewed-by: Janosch Frank <frankja@xxxxxxxxxxxxx>
Signed-off-by: Claudio Imbrenda <imbrenda@xxxxxxxxxxxxx>
---
lib/s390x/uv.h | 1 +
lib/s390x/uv.c | 8 ++++++++
2 files changed, 9 insertions(+)
diff --git a/lib/s390x/uv.h b/lib/s390x/uv.h
index 8175d9c6..44264861 100644
--- a/lib/s390x/uv.h
+++ b/lib/s390x/uv.h
@@ -8,6 +8,7 @@
bool uv_os_is_guest(void);
bool uv_os_is_host(void);
bool uv_query_test_call(unsigned int nr);
+const struct uv_cb_qui *uv_get_query_data(void);
void uv_init(void);
int uv_setup(void);
void uv_create_guest(struct vm *vm);
diff --git a/lib/s390x/uv.c b/lib/s390x/uv.c
index 6fe11dff..3b4cafa9 100644
--- a/lib/s390x/uv.c
+++ b/lib/s390x/uv.c
@@ -47,6 +47,14 @@ bool uv_query_test_call(unsigned int nr)
return test_bit_inv(nr, uvcb_qui.inst_calls_list);
}
+const struct uv_cb_qui *uv_get_query_data(void)
+{
+ /* Query needs to be called first */
+ assert(uvcb_qui.header.rc == 1 || uvcb_qui.header.rc == 0x100);
+
+ return &uvcb_qui;
+}
+
int uv_setup(void)
{
if (!test_facility(158))
--
2.36.1
