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 #include "tdx-quote-generator.h" 15 16 #define TYPE_TDX_GUEST "tdx-guest" 17 #define TDX_GUEST(obj) OBJECT_CHECK(TdxGuest, (obj), TYPE_TDX_GUEST) 18 19 typedef struct TdxGuestClass { 20 X86ConfidentialGuestClass parent_class; 21 } TdxGuestClass; 22 23 /* TDX requires bus frequency 25MHz */ 24 #define TDX_APIC_BUS_CYCLES_NS 40 25 26 #define TDVMCALL_GET_TD_VM_CALL_INFO 0x10000 27 #define TDVMCALL_GET_QUOTE 0x10002 28 29 #define TDG_VP_VMCALL_SUCCESS 0x0000000000000000ULL 30 #define TDG_VP_VMCALL_RETRY 0x0000000000000001ULL 31 #define TDG_VP_VMCALL_INVALID_OPERAND 0x8000000000000000ULL 32 #define TDG_VP_VMCALL_GPA_INUSE 0x8000000000000001ULL 33 #define TDG_VP_VMCALL_ALIGN_ERROR 0x8000000000000002ULL 34 35 enum TdxRamType { 36 TDX_RAM_UNACCEPTED, 37 TDX_RAM_ADDED, 38 }; 39 40 typedef struct TdxRamEntry { 41 uint64_t address; 42 uint64_t length; 43 enum TdxRamType type; 44 } TdxRamEntry; 45 46 typedef struct TdxGuest { 47 X86ConfidentialGuest parent_obj; 48 49 QemuMutex lock; 50 51 bool initialized; 52 uint64_t attributes; /* TD attributes */ 53 uint64_t xfam; 54 char *mrconfigid; /* base64 encoded sha384 digest */ 55 char *mrowner; /* base64 encoded sha384 digest */ 56 char *mrownerconfig; /* base64 encoded sha384 digest */ 57 58 MemoryRegion *tdvf_mr; 59 TdxFirmware tdvf; 60 61 uint32_t nr_ram_entries; 62 TdxRamEntry *ram_entries; 63 64 /* GetQuote */ 65 SocketAddress *qg_sock_addr; 66 int num; 67 } TdxGuest; 68 69 #ifdef CONFIG_TDX 70 bool is_tdx_vm(void); 71 #else 72 #define is_tdx_vm() 0 73 #endif /* CONFIG_TDX */ 74 75 int tdx_pre_create_vcpu(CPUState *cpu, Error **errp); 76 void tdx_set_tdvf_region(MemoryRegion *tdvf_mr); 77 int tdx_parse_tdvf(void *flash_ptr, int size); 78 int tdx_handle_report_fatal_error(X86CPU *cpu, struct kvm_run *run); 79 void tdx_handle_get_quote(X86CPU *cpu, struct kvm_run *run); 80 void tdx_handle_get_tdvmcall_info(X86CPU *cpu, struct kvm_run *run); 81 82 #endif /* QEMU_I386_TDX_H */ 83