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