qemu-kvm/SOURCES/kvm-s390-Switch-to-use-confidential_guest_kvm_init.patch

110 lines
3.6 KiB
Diff

From 4ebc58d4a7a3d4a20f20f1cd3f21082b80097fe2 Mon Sep 17 00:00:00 2001
From: Xiaoyao Li <xiaoyao.li@intel.com>
Date: Thu, 29 Feb 2024 01:00:38 -0500
Subject: [PATCH 014/100] s390: Switch to use confidential_guest_kvm_init()
RH-Author: Paolo Bonzini <pbonzini@redhat.com>
RH-MergeRequest: 245: SEV-SNP support
RH-Jira: RHEL-39544
RH-Acked-by: Thomas Huth <thuth@redhat.com>
RH-Acked-by: Bandan Das <bdas@redhat.com>
RH-Acked-by: Vitaly Kuznetsov <vkuznets@redhat.com>
RH-Commit: [14/91] 8c9e09ec9976c00b41c02868fff034286a341468 (bonzini/rhel-qemu-kvm)
Use unified confidential_guest_kvm_init() for consistency with
other architectures.
Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com>
Message-Id: <20240229060038.606591-1-xiaoyao.li@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
(cherry picked from commit a14a2b0148e657cc526b7a75f2a1937628764e7a)
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
hw/s390x/s390-virtio-ccw.c | 5 ++++-
target/s390x/kvm/pv.c | 10 +++++++++-
target/s390x/kvm/pv.h | 14 --------------
3 files changed, 13 insertions(+), 16 deletions(-)
diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c
index 9ad54682c6..828ce6e87e 100644
--- a/hw/s390x/s390-virtio-ccw.c
+++ b/hw/s390x/s390-virtio-ccw.c
@@ -14,6 +14,7 @@
#include "qemu/osdep.h"
#include "qapi/error.h"
#include "exec/ram_addr.h"
+#include "exec/confidential-guest-support.h"
#include "hw/s390x/s390-virtio-hcall.h"
#include "hw/s390x/sclp.h"
#include "hw/s390x/s390_flic.h"
@@ -260,7 +261,9 @@ static void ccw_init(MachineState *machine)
s390_init_cpus(machine);
/* Need CPU model to be determined before we can set up PV */
- s390_pv_init(machine->cgs, &error_fatal);
+ if (machine->cgs) {
+ confidential_guest_kvm_init(machine->cgs, &error_fatal);
+ }
s390_flic_init();
diff --git a/target/s390x/kvm/pv.c b/target/s390x/kvm/pv.c
index 7ca7faec73..dde836d21a 100644
--- a/target/s390x/kvm/pv.c
+++ b/target/s390x/kvm/pv.c
@@ -334,12 +334,17 @@ static bool s390_pv_guest_check(ConfidentialGuestSupport *cgs, Error **errp)
return s390_pv_check_cpus(errp);
}
-int s390_pv_kvm_init(ConfidentialGuestSupport *cgs, Error **errp)
+static int s390_pv_kvm_init(ConfidentialGuestSupport *cgs, Error **errp)
{
if (!object_dynamic_cast(OBJECT(cgs), TYPE_S390_PV_GUEST)) {
return 0;
}
+ if (!kvm_enabled()) {
+ error_setg(errp, "Protected Virtualization requires KVM");
+ return -1;
+ }
+
if (!s390_has_feat(S390_FEAT_UNPACK)) {
error_setg(errp,
"CPU model does not support Protected Virtualization");
@@ -364,6 +369,9 @@ OBJECT_DEFINE_TYPE_WITH_INTERFACES(S390PVGuest,
static void s390_pv_guest_class_init(ObjectClass *oc, void *data)
{
+ ConfidentialGuestSupportClass *klass = CONFIDENTIAL_GUEST_SUPPORT_CLASS(oc);
+
+ klass->kvm_init = s390_pv_kvm_init;
}
static void s390_pv_guest_init(Object *obj)
diff --git a/target/s390x/kvm/pv.h b/target/s390x/kvm/pv.h
index 5877d28ff1..4b40817439 100644
--- a/target/s390x/kvm/pv.h
+++ b/target/s390x/kvm/pv.h
@@ -80,18 +80,4 @@ static inline int kvm_s390_dump_mem_state(uint64_t addr, size_t len,
static inline int kvm_s390_dump_completion_data(void *buff) { return 0; }
#endif /* CONFIG_KVM */
-int s390_pv_kvm_init(ConfidentialGuestSupport *cgs, Error **errp);
-static inline int s390_pv_init(ConfidentialGuestSupport *cgs, Error **errp)
-{
- if (!cgs) {
- return 0;
- }
- if (kvm_enabled()) {
- return s390_pv_kvm_init(cgs, errp);
- }
-
- error_setg(errp, "Protected Virtualization requires KVM");
- return -1;
-}
-
#endif /* HW_S390_PV_H */
--
2.39.3