LXR qemu/target/i386/sev

   1/*
   2 * QEMU Secure Encrypted Virutualization (SEV) support
   3 *
   4 * Copyright: Advanced Micro Devices, 2016-2018
   5 *
   6 * Authors:
   7 *  Brijesh Singh <brijesh.singh@amd.com>
   8 *
   9 * This work is licensed under the terms of the GNU GPL, version 2 or later.
  10 * See the COPYING file in the top-level directory.
  11 *
  12 */
  13
  14#ifndef QEMU_SEV_I386_H
  15#define QEMU_SEV_I386_H
  16
  17#include "qom/object.h"
  18#include "qapi/error.h"
  19#include "sysemu/kvm.h"
  20#include "sysemu/sev.h"
  21#include "qemu/error-report.h"
  22#include "qapi/qapi-commands-misc-target.h"
  23
  24#define SEV_POLICY_NODBG        0x1
  25#define SEV_POLICY_NOKS         0x2
  26#define SEV_POLICY_ES           0x4
  27#define SEV_POLICY_NOSEND       0x8
  28#define SEV_POLICY_DOMAIN       0x10
  29#define SEV_POLICY_SEV          0x20
  30
  31#define TYPE_QSEV_GUEST_INFO "sev-guest"
  32#define QSEV_GUEST_INFO(obj)                  \
  33    OBJECT_CHECK(QSevGuestInfo, (obj), TYPE_QSEV_GUEST_INFO)
  34
  35extern bool sev_enabled(void);
  36extern uint64_t sev_get_me_mask(void);
  37extern SevInfo *sev_get_info(void);
  38extern uint32_t sev_get_cbit_position(void);
  39extern uint32_t sev_get_reduced_phys_bits(void);
  40extern char *sev_get_launch_measurement(void);
  41extern SevCapability *sev_get_capabilities(void);
  42
  43typedef struct QSevGuestInfo QSevGuestInfo;
  44typedef struct QSevGuestInfoClass QSevGuestInfoClass;
  45
  46/**
  47 * QSevGuestInfo:
  48 *
  49 * The QSevGuestInfo object is used for creating a SEV guest.
  50 *
  51 * # $QEMU \
  52 *         -object sev-guest,id=sev0 \
  53 *         -machine ...,memory-encryption=sev0
  54 */
  55struct QSevGuestInfo {
  56    Object parent_obj;
  57
  58    char *sev_device;
  59    uint32_t policy;
  60    uint32_t handle;
  61    char *dh_cert_file;
  62    char *session_file;
  63    uint32_t cbitpos;
  64    uint32_t reduced_phys_bits;
  65};
  66
  67struct QSevGuestInfoClass {
  68    ObjectClass parent_class;
  69};
  70
  71struct SEVState {
  72    QSevGuestInfo *sev_info;
  73    uint8_t api_major;
  74    uint8_t api_minor;
  75    uint8_t build_id;
  76    uint32_t policy;
  77    uint64_t me_mask;
  78    uint32_t cbitpos;
  79    uint32_t reduced_phys_bits;
  80    uint32_t handle;
  81    int sev_fd;
  82    SevState state;
  83    gchar *measurement;
  84};
  85
  86typedef struct SEVState SEVState;
  87
  88#endif
  89