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[kvm-unit-tests,v2,03/10] s390x: sie: Add UV information into VM struct

Message ID 20211207160005.1586-4-frankja@linux.ibm.com (mailing list archive)
State New, archived
Headers show
Series s390x: sie: Add PV snippet support | expand

Commit Message

Janosch Frank Dec. 7, 2021, 3:59 p.m. UTC 
We need to save the handles for the VM and the VCPU so we can retrieve
them easily after their creation. Since the SIE lib is single guest
cpu only we only save one vcpu handle.

Signed-off-by: Janosch Frank <frankja@linux.ibm.com>
Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
---
 lib/s390x/sie.h | 6 ++++++
 1 file changed, 6 insertions(+)
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Patch

diff --git a/lib/s390x/sie.h b/lib/s390x/sie.h
index c6eb6441..1a12faa7 100644
--- a/lib/s390x/sie.h
+++ b/lib/s390x/sie.h
@@ -200,6 +200,11 @@  union {
 	uint64_t	gvrd;			/* 0x01f8 */
 } __attribute__((packed));
 
+struct vm_uv {
+	uint64_t vm_handle;
+	uint64_t vcpu_handle;
+};
+
 struct vm_save_regs {
 	uint64_t grs[16];
 	uint64_t fprs[16];
@@ -220,6 +225,7 @@  struct vm {
 	struct vm_save_area save_area;
 	void *sca;				/* System Control Area */
 	uint8_t *crycb;				/* Crypto Control Block */
+	struct vm_uv uv;			/* PV UV information */
 	/* Ptr to first guest page */
 	uint8_t *guest_mem;
 };