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/*
* QEMU Confidential Guest support
*
* Copyright Red Hat.
*
* Authors:
* David Gibson <david@gibson.dropbear.id.au>
*
* This work is licensed under the terms of the GNU GPL, version 2 or
* later. See the COPYING file in the top-level directory.
*
*/
#include "qemu/osdep.h"
#include "system/confidential-guest-support.h"
#include "qapi/error.h"
OBJECT_DEFINE_ABSTRACT_TYPE(ConfidentialGuestSupport,
confidential_guest_support,
CONFIDENTIAL_GUEST_SUPPORT,
OBJECT)
static bool check_support(ConfidentialGuestPlatformType platform,
uint16_t platform_version, uint8_t highest_vtl,
uint64_t shared_gpa_boundary)
{
/* Default: no support. */
return false;
}
static int set_guest_state(hwaddr gpa, uint8_t *ptr, uint64_t len,
ConfidentialGuestPageType memory_type,
uint16_t cpu_index, Error **errp)
{
error_setg(errp,
"Setting confidential guest state is not supported for this platform");
return -1;
}
static int set_guest_policy(ConfidentialGuestPolicyType policy_type,
uint64_t policy,
void *policy_data1, uint32_t policy_data1_size,
void *policy_data2, uint32_t policy_data2_size,
Error **errp)
{
error_setg(errp,
"Setting confidential guest policy is not supported for this platform");
return -1;
}
static int get_mem_map_entry(int index, ConfidentialGuestMemoryMapEntry *entry,
Error **errp)
{
error_setg(
errp,
"Obtaining the confidential guest memory map is not supported for this platform");
return -1;
}
static void confidential_guest_support_class_init(ObjectClass *oc,
const void *data)
{
ConfidentialGuestSupportClass *cgsc = CONFIDENTIAL_GUEST_SUPPORT_CLASS(oc);
cgsc->check_support = check_support;
cgsc->set_guest_state = set_guest_state;
cgsc->set_guest_policy = set_guest_policy;
cgsc->get_mem_map_entry = get_mem_map_entry;
}
static void confidential_guest_support_init(Object *obj)
{
}
static void confidential_guest_support_finalize(Object *obj)
{
}
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