The function can be used to get the current SEV capabilities. The capabilities include platform diffie-hellman key (pdh) and certificate chain. The key can be provided to the external entities which wants to establish a trusted channel between SEV firmware and guest owner. Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Richard Henderson <rth@twiddle.net> Cc: Eduardo Habkost <ehabkost@redhat.com> Signed-off-by: Brijesh Singh <brijesh.singh@amd.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
89 lines
2 KiB
C
89 lines
2 KiB
C
/*
|
|
* QEMU Secure Encrypted Virutualization (SEV) support
|
|
*
|
|
* Copyright: Advanced Micro Devices, 2016-2018
|
|
*
|
|
* Authors:
|
|
* Brijesh Singh <brijesh.singh@amd.com>
|
|
*
|
|
* This work is licensed under the terms of the GNU GPL, version 2 or later.
|
|
* See the COPYING file in the top-level directory.
|
|
*
|
|
*/
|
|
|
|
#ifndef QEMU_SEV_I386_H
|
|
#define QEMU_SEV_I386_H
|
|
|
|
#include "qom/object.h"
|
|
#include "qapi/error.h"
|
|
#include "sysemu/kvm.h"
|
|
#include "sysemu/sev.h"
|
|
#include "qemu/error-report.h"
|
|
#include "qapi/qapi-commands-misc.h"
|
|
|
|
#define SEV_POLICY_NODBG 0x1
|
|
#define SEV_POLICY_NOKS 0x2
|
|
#define SEV_POLICY_ES 0x4
|
|
#define SEV_POLICY_NOSEND 0x8
|
|
#define SEV_POLICY_DOMAIN 0x10
|
|
#define SEV_POLICY_SEV 0x20
|
|
|
|
#define TYPE_QSEV_GUEST_INFO "sev-guest"
|
|
#define QSEV_GUEST_INFO(obj) \
|
|
OBJECT_CHECK(QSevGuestInfo, (obj), TYPE_QSEV_GUEST_INFO)
|
|
|
|
extern bool sev_enabled(void);
|
|
extern uint64_t sev_get_me_mask(void);
|
|
extern SevInfo *sev_get_info(void);
|
|
extern uint32_t sev_get_cbit_position(void);
|
|
extern uint32_t sev_get_reduced_phys_bits(void);
|
|
extern char *sev_get_launch_measurement(void);
|
|
extern SevCapability *sev_get_capabilities(void);
|
|
|
|
typedef struct QSevGuestInfo QSevGuestInfo;
|
|
typedef struct QSevGuestInfoClass QSevGuestInfoClass;
|
|
|
|
/**
|
|
* QSevGuestInfo:
|
|
*
|
|
* The QSevGuestInfo object is used for creating a SEV guest.
|
|
*
|
|
* # $QEMU \
|
|
* -object sev-guest,id=sev0 \
|
|
* -machine ...,memory-encryption=sev0
|
|
*/
|
|
struct QSevGuestInfo {
|
|
Object parent_obj;
|
|
|
|
char *sev_device;
|
|
uint32_t policy;
|
|
uint32_t handle;
|
|
char *dh_cert_file;
|
|
char *session_file;
|
|
uint32_t cbitpos;
|
|
uint32_t reduced_phys_bits;
|
|
};
|
|
|
|
struct QSevGuestInfoClass {
|
|
ObjectClass parent_class;
|
|
};
|
|
|
|
struct SEVState {
|
|
QSevGuestInfo *sev_info;
|
|
uint8_t api_major;
|
|
uint8_t api_minor;
|
|
uint8_t build_id;
|
|
uint32_t policy;
|
|
uint64_t me_mask;
|
|
uint32_t cbitpos;
|
|
uint32_t reduced_phys_bits;
|
|
uint32_t handle;
|
|
int sev_fd;
|
|
SevState state;
|
|
gchar *measurement;
|
|
};
|
|
|
|
typedef struct SEVState SEVState;
|
|
|
|
#endif
|