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/* SPDX-License-Identifier: GPL-2.0-or-later */
#ifndef QEMU_I386_TDX_H
#define QEMU_I386_TDX_H
#ifndef CONFIG_USER_ONLY
#include CONFIG_DEVICES /* CONFIG_TDX */
#endif
#include "confidential-guest.h"
#include "cpu.h"
#include "hw/i386/tdvf.h"
#include "tdx-quote-generator.h"
#define TYPE_TDX_GUEST "tdx-guest"
#define TDX_GUEST(obj) OBJECT_CHECK(TdxGuest, (obj), TYPE_TDX_GUEST)
typedef struct TdxGuestClass {
X86ConfidentialGuestClass parent_class;
} TdxGuestClass;
/* TDX requires bus frequency 25MHz */
#define TDX_APIC_BUS_CYCLES_NS 40
#define TDVMCALL_GET_TD_VM_CALL_INFO 0x10000
#define TDVMCALL_GET_QUOTE 0x10002
#define TDVMCALL_SETUP_EVENT_NOTIFY_INTERRUPT 0x10004
#define TDG_VP_VMCALL_SUCCESS 0x0000000000000000ULL
#define TDG_VP_VMCALL_RETRY 0x0000000000000001ULL
#define TDG_VP_VMCALL_INVALID_OPERAND 0x8000000000000000ULL
#define TDG_VP_VMCALL_GPA_INUSE 0x8000000000000001ULL
#define TDG_VP_VMCALL_ALIGN_ERROR 0x8000000000000002ULL
#define TDG_VP_VMCALL_SUBFUNC_SET_EVENT_NOTIFY_INTERRUPT BIT_ULL(1)
enum TdxRamType {
TDX_RAM_UNACCEPTED,
TDX_RAM_ADDED,
};
typedef struct TdxRamEntry {
uint64_t address;
uint64_t length;
enum TdxRamType type;
} TdxRamEntry;
typedef struct TdxGuest {
X86ConfidentialGuest parent_obj;
QemuMutex lock;
bool initialized;
uint64_t attributes; /* TD attributes */
uint64_t xfam;
char *mrconfigid; /* base64 encoded sha384 digest */
char *mrowner; /* base64 encoded sha384 digest */
char *mrownerconfig; /* base64 encoded sha384 digest */
MemoryRegion *tdvf_mr;
TdxFirmware tdvf;
uint32_t nr_ram_entries;
TdxRamEntry *ram_entries;
/* GetQuote */
SocketAddress *qg_sock_addr;
int num;
uint32_t event_notify_vector;
uint32_t event_notify_apicid;
} TdxGuest;
#ifdef CONFIG_TDX
bool is_tdx_vm(void);
#else
#define is_tdx_vm() 0
#endif /* CONFIG_TDX */
int tdx_pre_create_vcpu(CPUState *cpu, Error **errp);
void tdx_set_tdvf_region(MemoryRegion *tdvf_mr);
int tdx_parse_tdvf(void *flash_ptr, int size);
int tdx_handle_report_fatal_error(X86CPU *cpu, struct kvm_run *run);
void tdx_handle_get_quote(X86CPU *cpu, struct kvm_run *run);
void tdx_handle_get_tdvmcall_info(X86CPU *cpu, struct kvm_run *run);
void tdx_handle_setup_event_notify_interrupt(X86CPU *cpu, struct kvm_run *run);
#endif /* QEMU_I386_TDX_H */
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