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 #define TDG_VP_VMCALL_SUBFUNC_GET_QUOTE 0x0000000000000001ULL 36 37 enum TdxRamType { 38 TDX_RAM_UNACCEPTED, 39 TDX_RAM_ADDED, 40 }; 41 42 typedef struct TdxRamEntry { 43 uint64_t address; 44 uint64_t length; 45 enum TdxRamType type; 46 } TdxRamEntry; 47 48 typedef struct TdxGuest { 49 X86ConfidentialGuest parent_obj; 50 51 QemuMutex lock; 52 53 bool initialized; 54 uint64_t attributes; /* TD attributes */ 55 uint64_t xfam; 56 char *mrconfigid; /* base64 encoded sha384 digest */ 57 char *mrowner; /* base64 encoded sha384 digest */ 58 char *mrownerconfig; /* base64 encoded sha384 digest */ 59 60 MemoryRegion *tdvf_mr; 61 TdxFirmware tdvf; 62 63 uint32_t nr_ram_entries; 64 TdxRamEntry *ram_entries; 65 66 /* GetQuote */ 67 SocketAddress *qg_sock_addr; 68 int num; 69 } TdxGuest; 70 71 #ifdef CONFIG_TDX 72 bool is_tdx_vm(void); 73 #else 74 #define is_tdx_vm() 0 75 #endif /* CONFIG_TDX */ 76 77 int tdx_pre_create_vcpu(CPUState *cpu, Error **errp); 78 void tdx_set_tdvf_region(MemoryRegion *tdvf_mr); 79 int tdx_parse_tdvf(void *flash_ptr, int size); 80 int tdx_handle_report_fatal_error(X86CPU *cpu, struct kvm_run *run); 81 void tdx_handle_get_quote(X86CPU *cpu, struct kvm_run *run); 82 void tdx_handle_get_tdvmcall_info(X86CPU *cpu, struct kvm_run *run); 83 84 #endif /* QEMU_I386_TDX_H */ 85