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i386/sev: Invoke launch_updata_data() for SEV class

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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>
This commit is contained in:
Paolo Bonzini 2024-05-31 12:51:44 +02:00
parent 77d1abd91e
commit 9861405a8f
1 changed files with 8 additions and 3 deletions
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11
target/i386/sev.c
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@ -74,6 +74,7 @@ struct SevCommonStateClass {
/* public */ /* public */
int (*launch_start)(SevCommonState *sev_common); int (*launch_start)(SevCommonState *sev_common);
void (*launch_finish)(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); int (*kvm_init)(ConfidentialGuestSupport *cgs, Error **errp);
}; };
@ -929,7 +930,7 @@ out:
} }
static int 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; int ret, fw_error;
struct kvm_sev_launch_update_data update; 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.uaddr = (uintptr_t)addr;
update.len = len; update.len = len;
trace_kvm_sev_launch_update_data(addr, 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); &update, &fw_error);
if (ret) { if (ret) {
error_report("%s: LAUNCH_UPDATE ret=%d fw_error=%d '%s'", 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) sev_encrypt_flash(hwaddr gpa, uint8_t *ptr, uint64_t len, Error **errp)
{ {
SevCommonState *sev_common = SEV_COMMON(MACHINE(qdev_get_machine())->cgs); SevCommonState *sev_common = SEV_COMMON(MACHINE(qdev_get_machine())->cgs);
SevCommonStateClass *klass = SEV_COMMON_GET_CLASS(sev_common);
if (!sev_common) { if (!sev_common) {
return 0; 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 is in update state then encrypt the data else do nothing */
if (sev_check_state(sev_common, SEV_STATE_LAUNCH_UPDATE)) { 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) { if (ret < 0) {
error_setg(errp, "SEV: Failed to encrypt pflash rom"); error_setg(errp, "SEV: Failed to encrypt pflash rom");
return ret; return ret;
@ -1968,6 +1972,7 @@ sev_guest_class_init(ObjectClass *oc, void *data)
klass->launch_start = sev_launch_start; klass->launch_start = sev_launch_start;
klass->launch_finish = sev_launch_finish; klass->launch_finish = sev_launch_finish;
klass->launch_update_data = sev_launch_update_data;
klass->kvm_init = sev_kvm_init; klass->kvm_init = sev_kvm_init;
x86_klass->kvm_type = sev_kvm_type; x86_klass->kvm_type = sev_kvm_type;