1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 3 #ifndef QEMU_I386_TDX_H 4 #define QEMU_I386_TDX_H 5 6 #ifndef CONFIG_USER_ONLY 7 #include CONFIG_DEVICES /* CONFIG_TDX */ 8 #endif 9 10 #include "confidential-guest.h" 11 #include "cpu.h" 12 #include "hw/i386/tdvf.h" 13 14 #define TYPE_TDX_GUEST "tdx-guest" 15 #define TDX_GUEST(obj) OBJECT_CHECK(TdxGuest, (obj), TYPE_TDX_GUEST) 16 17 typedef struct TdxGuestClass { 18 X86ConfidentialGuestClass parent_class; 19 } TdxGuestClass; 20 21 /* TDX requires bus frequency 25MHz */ 22 #define TDX_APIC_BUS_CYCLES_NS 40 23 24 enum TdxRamType { 25 TDX_RAM_UNACCEPTED, 26 TDX_RAM_ADDED, 27 }; 28 29 typedef struct TdxRamEntry { 30 uint64_t address; 31 uint64_t length; 32 enum TdxRamType type; 33 } TdxRamEntry; 34 35 typedef struct TdxGuest { 36 X86ConfidentialGuest parent_obj; 37 38 QemuMutex lock; 39 40 bool initialized; 41 uint64_t attributes; /* TD attributes */ 42 uint64_t xfam; 43 char *mrconfigid; /* base64 encoded sha348 digest */ 44 char *mrowner; /* base64 encoded sha348 digest */ 45 char *mrownerconfig; /* base64 encoded sha348 digest */ 46 47 MemoryRegion *tdvf_mr; 48 TdxFirmware tdvf; 49 50 uint32_t nr_ram_entries; 51 TdxRamEntry *ram_entries; 52 } TdxGuest; 53 54 #ifdef CONFIG_TDX 55 bool is_tdx_vm(void); 56 #else 57 #define is_tdx_vm() 0 58 #endif /* CONFIG_TDX */ 59 60 int tdx_pre_create_vcpu(CPUState *cpu, Error **errp); 61 void tdx_set_tdvf_region(MemoryRegion *tdvf_mr); 62 int tdx_parse_tdvf(void *flash_ptr, int size); 63 int tdx_handle_report_fatal_error(X86CPU *cpu, struct kvm_run *run); 64 65 #endif /* QEMU_I386_TDX_H */ 66