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qemu-kvm/SOURCES/kvm-i386-sev-Invoke-launch_...

86 lines
3.3 KiB

From be37914ae54c8aebc218cf41b37bc0ea1563daae Mon Sep 17 00:00:00 2001
From: Paolo Bonzini <pbonzini@redhat.com>
Date: Fri, 31 May 2024 12:51:44 +0200
Subject: [PATCH 074/100] i386/sev: Invoke launch_updata_data() for SEV class
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: [74/91] f1b588a9ffecd6944a78186d88a6be3849698710 (bonzini/rhel-qemu-kvm)
Add launch_update_data() in SevCommonStateClass and
invoke as sev_launch_update_data() for SEV object.
Signed-off-by: Pankaj Gupta <pankaj.gupta@amd.com>
Message-ID: <20240530111643.1091816-26-pankaj.gupta@amd.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
(cherry picked from commit 9861405a8f845133b7984322c2df0c43a45553c3)
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
target/i386/sev.c | 11 ++++++++---
1 file changed, 8 insertions(+), 3 deletions(-)
diff --git a/target/i386/sev.c b/target/i386/sev.c
index 7b5c4b4874..8834cf9441 100644
--- a/target/i386/sev.c
+++ b/target/i386/sev.c
@@ -74,6 +74,7 @@ struct SevCommonStateClass {
/* public */
int (*launch_start)(SevCommonState *sev_common);
void (*launch_finish)(SevCommonState *sev_common);
+ int (*launch_update_data)(SevCommonState *sev_common, hwaddr gpa, uint8_t *ptr, uint64_t len);
int (*kvm_init)(ConfidentialGuestSupport *cgs, Error **errp);
};
@@ -929,7 +930,7 @@ out:
}
static int
-sev_launch_update_data(SevGuestState *sev_guest, uint8_t *addr, uint64_t len)
+sev_launch_update_data(SevCommonState *sev_common, hwaddr gpa, uint8_t *addr, uint64_t len)
{
int ret, fw_error;
struct kvm_sev_launch_update_data update;
@@ -941,7 +942,7 @@ sev_launch_update_data(SevGuestState *sev_guest, uint8_t *addr, uint64_t len)
update.uaddr = (uintptr_t)addr;
update.len = len;
trace_kvm_sev_launch_update_data(addr, len);
- ret = sev_ioctl(SEV_COMMON(sev_guest)->sev_fd, KVM_SEV_LAUNCH_UPDATE_DATA,
+ ret = sev_ioctl(sev_common->sev_fd, KVM_SEV_LAUNCH_UPDATE_DATA,
&update, &fw_error);
if (ret) {
error_report("%s: LAUNCH_UPDATE ret=%d fw_error=%d '%s'",
@@ -1487,6 +1488,7 @@ int
sev_encrypt_flash(hwaddr gpa, uint8_t *ptr, uint64_t len, Error **errp)
{
SevCommonState *sev_common = SEV_COMMON(MACHINE(qdev_get_machine())->cgs);
+ SevCommonStateClass *klass = SEV_COMMON_GET_CLASS(sev_common);
if (!sev_common) {
return 0;
@@ -1494,7 +1496,9 @@ sev_encrypt_flash(hwaddr gpa, uint8_t *ptr, uint64_t len, Error **errp)
/* if SEV is in update state then encrypt the data else do nothing */
if (sev_check_state(sev_common, SEV_STATE_LAUNCH_UPDATE)) {
- int ret = sev_launch_update_data(SEV_GUEST(sev_common), ptr, len);
+ int ret;
+
+ ret = klass->launch_update_data(sev_common, gpa, ptr, len);
if (ret < 0) {
error_setg(errp, "SEV: Failed to encrypt pflash rom");
return ret;
@@ -1968,6 +1972,7 @@ sev_guest_class_init(ObjectClass *oc, void *data)
klass->launch_start = sev_launch_start;
klass->launch_finish = sev_launch_finish;
+ klass->launch_update_data = sev_launch_update_data;
klass->kvm_init = sev_kvm_init;
x86_klass->kvm_type = sev_kvm_type;
--
2.39.3