2 * QEMU Secure Encrypted Virutualization (SEV) support
4 * Copyright: Advanced Micro Devices, 2016-2018
7 * Brijesh Singh <brijesh.singh@amd.com>
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.
14 #ifndef QEMU_SEV_I386_H
15 #define QEMU_SEV_I386_H
17 #ifndef CONFIG_USER_ONLY
18 #include CONFIG_DEVICES /* CONFIG_SEV */
21 #include "exec/confidential-guest-support.h"
23 #define SEV_POLICY_NODBG 0x1
24 #define SEV_POLICY_NOKS 0x2
25 #define SEV_POLICY_ES 0x4
26 #define SEV_POLICY_NOSEND 0x8
27 #define SEV_POLICY_DOMAIN 0x10
28 #define SEV_POLICY_SEV 0x20
30 typedef struct SevKernelLoaderContext {
39 } SevKernelLoaderContext;
42 bool sev_enabled(void);
43 bool sev_es_enabled(void);
45 #define sev_enabled() 0
46 #define sev_es_enabled() 0
49 extern uint32_t sev_get_cbit_position(void);
50 extern uint32_t sev_get_reduced_phys_bits(void);
51 extern bool sev_add_kernel_loader_hashes(SevKernelLoaderContext *ctx, Error **errp);
53 int sev_encrypt_flash(uint8_t *ptr, uint64_t len, Error **errp);
54 int sev_inject_launch_secret(const char *hdr, const char *secret,
55 uint64_t gpa, Error **errp);
57 int sev_es_save_reset_vector(void *flash_ptr, uint64_t flash_size);
58 void sev_es_set_reset_vector(CPUState *cpu);
60 int sev_kvm_init(ConfidentialGuestSupport *cgs, Error **errp);