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Diffstat (limited to 'accel/kvm/kvm-all.c')
-rw-r--r--accel/kvm/kvm-all.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c
index b91fcb7..e0e43fd 100644
--- a/accel/kvm/kvm-all.c
+++ b/accel/kvm/kvm-all.c
@@ -38,6 +38,7 @@
#include "qemu/event_notifier.h"
#include "trace.h"
#include "hw/irq.h"
+#include "sysemu/sev.h"
#include "hw/boards.h"
@@ -103,6 +104,9 @@ struct KVMState
#endif
KVMMemoryListener memory_listener;
QLIST_HEAD(, KVMParkedVcpu) kvm_parked_vcpus;
+
+ /* memory encryption */
+ void *memcrypt_handle;
};
KVMState *kvm_state;
@@ -138,6 +142,15 @@ int kvm_get_max_memslots(void)
return s->nr_slots;
}
+bool kvm_memcrypt_enabled(void)
+{
+ if (kvm_state && kvm_state->memcrypt_handle) {
+ return true;
+ }
+
+ return false;
+}
+
static KVMSlot *kvm_get_free_slot(KVMMemoryListener *kml)
{
KVMState *s = kvm_state;
@@ -1636,6 +1649,18 @@ static int kvm_init(MachineState *ms)
kvm_state = s;
+ /*
+ * if memory encryption object is specified then initialize the memory
+ * encryption context.
+ */
+ if (ms->memory_encryption) {
+ kvm_state->memcrypt_handle = sev_guest_init(ms->memory_encryption);
+ if (!kvm_state->memcrypt_handle) {
+ ret = -1;
+ goto err;
+ }
+ }
+
ret = kvm_arch_init(ms, s);
if (ret < 0) {
goto err;