1 files changed, 65 insertions, 0 deletions
diff --git a/target/i386/kvm/tdx.h b/target/i386/kvm/tdx.h
new file mode 100644
index 0000000000..04b5afe199
--- /dev/null
+++ b/target/i386/kvm/tdx.h
@@ -0,0 +1,65 @@
+/* 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"
+
+#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
+
+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 sha348 digest */
+    char *mrowner;          /* base64 encoded sha348 digest */
+    char *mrownerconfig;    /* base64 encoded sha348 digest */
+
+    MemoryRegion *tdvf_mr;
+    TdxFirmware tdvf;
+
+    uint32_t nr_ram_entries;
+    TdxRamEntry *ram_entries;
+} 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);
+
+#endif /* QEMU_I386_TDX_H */