diff mbox series

[kvm-unit-tests,v5,2/6] s390x: lib: Add QUI getter

Message ID 20220502093925.4118-3-seiden@linux.ibm.com (mailing list archive)
State New, archived
Headers show
Series s390x: Attestation tests | expand

Commit Message

Steffen Eiden May 2, 2022, 9:39 a.m. UTC 
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@linux.ibm.com>
Reviewed-by: Janosch Frank <frankja@linux.ibm.com>
---
 lib/s390x/uv.c | 8 ++++++++
 lib/s390x/uv.h | 1 +
 2 files changed, 9 insertions(+)
diff mbox series

Patch

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))
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);