Merge tag 'pull-loongarch-20241016' of https://gitlab.com/gaosong/qemu into staging
[qemu/armbru.git] / target / i386 / sev.h
blob858005a119ce340015a459608603c6f50c97044f
1 /*
2 * QEMU Secure Encrypted Virutualization (SEV) support
4 * Copyright: Advanced Micro Devices, 2016-2018
6 * Authors:
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 I386_SEV_H
15 #define I386_SEV_H
17 #ifndef CONFIG_USER_ONLY
18 #include CONFIG_DEVICES /* CONFIG_SEV */
19 #endif
21 #include "exec/confidential-guest-support.h"
23 #define TYPE_SEV_COMMON "sev-common"
24 #define TYPE_SEV_GUEST "sev-guest"
25 #define TYPE_SEV_SNP_GUEST "sev-snp-guest"
27 #define SEV_POLICY_NODBG 0x1
28 #define SEV_POLICY_NOKS 0x2
29 #define SEV_POLICY_ES 0x4
30 #define SEV_POLICY_NOSEND 0x8
31 #define SEV_POLICY_DOMAIN 0x10
32 #define SEV_POLICY_SEV 0x20
34 #define SEV_SNP_POLICY_SMT 0x10000
35 #define SEV_SNP_POLICY_DBG 0x80000
37 typedef struct SevKernelLoaderContext {
38 char *setup_data;
39 size_t setup_size;
40 char *kernel_data;
41 size_t kernel_size;
42 char *initrd_data;
43 size_t initrd_size;
44 char *cmdline_data;
45 size_t cmdline_size;
46 } SevKernelLoaderContext;
48 #ifdef CONFIG_SEV
49 bool sev_enabled(void);
50 bool sev_es_enabled(void);
51 bool sev_snp_enabled(void);
52 #else
53 #define sev_enabled() 0
54 #define sev_es_enabled() 0
55 #define sev_snp_enabled() 0
56 #endif
58 uint32_t sev_get_cbit_position(void);
59 uint32_t sev_get_reduced_phys_bits(void);
60 bool sev_add_kernel_loader_hashes(SevKernelLoaderContext *ctx, Error **errp);
62 int sev_encrypt_flash(hwaddr gpa, uint8_t *ptr, uint64_t len, Error **errp);
63 int sev_inject_launch_secret(const char *hdr, const char *secret,
64 uint64_t gpa, Error **errp);
66 int sev_es_save_reset_vector(void *flash_ptr, uint64_t flash_size);
67 void sev_es_set_reset_vector(CPUState *cpu);
69 void pc_system_parse_sev_metadata(uint8_t *flash_ptr, size_t flash_size);
71 #endif