target/i386/sev-stub.c

   1 /*
   2  * QEMU SEV stub
   3  *
   4  * Copyright Advanced Micro Devices 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 #include "qemu/osdep.h"
  15 #include "sev_i386.h"
  16
  17 SevInfo *sev_get_info(void)
  18 {
  19     return NULL;
  20 }
  21
  22 bool sev_enabled(void)
  23 {
  24     return false;
  25 }
  26
  27 uint64_t sev_get_me_mask(void)
  28 {
  29     return ~0;
  30 }
  31
  32 uint32_t sev_get_cbit_position(void)
  33 {
  34     return 0;
  35 }
  36
  37 uint32_t sev_get_reduced_phys_bits(void)
  38 {
  39     return 0;
  40 }
  41
  42 char *sev_get_launch_measurement(void)
  43 {
  44     return NULL;
  45 }
  46
  47 SevCapability *sev_get_capabilities(Error **errp)
  48 {
  49     error_setg(errp, "SEV is not available in this QEMU");
  50     return NULL;
  51 }
  52
  53 int sev_inject_launch_secret(const char *hdr, const char *secret,
  54                              uint64_t gpa, Error **errp)
  55 {
  56     return 1;
  57 }
  58
  59 int sev_encrypt_flash(uint8_t *ptr, uint64_t len, Error **errp)
  60 {
  61     return 0;
  62 }
  63
  64 bool sev_es_enabled(void)
  65 {
  66     return false;
  67 }
  68
  69 void sev_es_set_reset_vector(CPUState *cpu)
  70 {
  71 }
  72
  73 int sev_es_save_reset_vector(void *flash_ptr, uint64_t flash_size)
  74 {
  75     abort();
  76 }
  77
  78 SevAttestationReport *
  79 sev_get_attestation_report(const char *mnonce, Error **errp)
  80 {
  81     error_setg(errp, "SEV is not available in this QEMU");
  82     return NULL;
  83 }