target/i386/sev_i386.h

   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.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
  35 extern bool sev_enabled(void);
  36 extern uint64_t sev_get_me_mask(void);
  37 extern SevInfo *sev_get_info(void);
  38 extern uint32_t sev_get_cbit_position(void);
  39 extern uint32_t sev_get_reduced_phys_bits(void);
  40 extern char *sev_get_launch_measurement(void);
  41
  42 typedef struct QSevGuestInfo QSevGuestInfo;
  43 typedef struct QSevGuestInfoClass QSevGuestInfoClass;
  44
  45 /**
  46  * QSevGuestInfo:
  47  *
  48  * The QSevGuestInfo object is used for creating a SEV guest.
  49  *
  50  * # $QEMU \
  51  *         -object sev-guest,id=sev0 \
  52  *         -machine ...,memory-encryption=sev0
  53  */
  54 struct QSevGuestInfo {
  55     Object parent_obj;
  56
  57     char *sev_device;
  58     uint32_t policy;
  59     uint32_t handle;
  60     char *dh_cert_file;
  61     char *session_file;
  62     uint32_t cbitpos;
  63     uint32_t reduced_phys_bits;
  64 };
  65
  66 struct QSevGuestInfoClass {
  67     ObjectClass parent_class;
  68 };
  69
  70 struct SEVState {
  71     QSevGuestInfo *sev_info;
  72     uint8_t api_major;
  73     uint8_t api_minor;
  74     uint8_t build_id;
  75     uint32_t policy;
  76     uint64_t me_mask;
  77     uint32_t cbitpos;
  78     uint32_t reduced_phys_bits;
  79     uint32_t handle;
  80     int sev_fd;
  81     SevState state;
  82     gchar *measurement;
  83 };
  84
  85 typedef struct SEVState SEVState;
  86
  87 #endif