@@ -107,6 +107,7 @@ struct KVMState
/* memory encryption */
void *memcrypt_handle;
+ int (*memcrypt_encrypt_data)(void *handle, uint8_t *ptr, uint64_t len);
};
KVMState *kvm_state;
@@ -151,6 +152,17 @@ bool kvm_memcrypt_enabled(void)
return false;
}
+int kvm_memcrypt_encrypt_data(uint8_t *ptr, uint64_t len)
+{
+ if (kvm_state->memcrypt_handle &&
+ kvm_state->memcrypt_encrypt_data) {
+ return kvm_state->memcrypt_encrypt_data(kvm_state->memcrypt_handle,
+ ptr, len);
+ }
+
+ return 1;
+}
+
static KVMSlot *kvm_get_free_slot(KVMMemoryListener *kml)
{
KVMState *s = kvm_state;
@@ -1659,6 +1671,8 @@ static int kvm_init(MachineState *ms)
ret = -1;
goto err;
}
+
+ kvm_state->memcrypt_encrypt_data = sev_encrypt_data;
}
ret = kvm_arch_init(ms, s);
@@ -15,6 +15,11 @@
#include "qemu-common.h"
#include "sysemu/sev.h"
+int sev_encrypt_data(void *handle, uint8_t *ptr, uint64_t len)
+{
+ abort();
+}
+
void *sev_guest_init(const char *id)
{
return NULL;
@@ -110,6 +110,11 @@ bool kvm_memcrypt_enabled(void)
return false;
}
+int kvm_memcrypt_encrypt_data(uint8_t *ptr, uint64_t len)
+{
+ return 1;
+}
+
#ifndef CONFIG_USER_ONLY
int kvm_irqchip_add_msi_route(KVMState *s, int vector, PCIDevice *dev)
{
@@ -239,6 +239,14 @@ bool kvm_arm_supports_user_irq(void);
*/
bool kvm_memcrypt_enabled(void);
+/**
+ * kvm_memcrypt_encrypt_data: encrypt the memory range
+ *
+ * Return: 1 failed to encrypt the range
+ * 0 succesfully encrypted memory region
+ */
+int kvm_memcrypt_encrypt_data(uint8_t *ptr, uint64_t len);
+
#ifdef NEED_CPU_H
#include "cpu.h"
@@ -17,4 +17,5 @@
#include "sysemu/kvm.h"
void *sev_guest_init(const char *id);
+int sev_encrypt_data(void *handle, uint8_t *ptr, uint64_t len);
#endif