174 static enum es_result vc_init_em_ctxt(struct es_em_ctxt *ctxt,  in vc_init_em_ctxt()  argument
180 	memset(ctxt, 0, sizeof(*ctxt));  in vc_init_em_ctxt()
181 	ctxt->regs = regs;  in vc_init_em_ctxt()
184 		ret = vc_decode_insn(ctxt);  in vc_init_em_ctxt()
189 static void vc_finish_insn(struct es_em_ctxt *ctxt)  in vc_finish_insn()  argument
191 	ctxt->regs->ip += ctxt->insn.length;  in vc_finish_insn()
194 static enum es_result verify_exception_info(struct ghcb *ghcb, struct es_em_ctxt *ctxt)  in verify_exception_info()  argument
210 			ctxt->fi.vector = v;  in verify_exception_info()
213 				ctxt->fi.error_code = info >> 32;  in verify_exception_info()
223 					  struct es_em_ctxt *ctxt,  in sev_es_ghcb_hv_call()  argument
238 	return verify_exception_info(ghcb, ctxt);  in sev_es_ghcb_hv_call()
592 static enum es_result vc_insn_string_read(struct es_em_ctxt *ctxt,  in vc_insn_string_read()  argument
605 		ret = vc_read_mem(ctxt, s, d, data_size);  in vc_insn_string_read()
613 static enum es_result vc_insn_string_write(struct es_em_ctxt *ctxt,  in vc_insn_string_write()  argument
626 		ret = vc_write_mem(ctxt, d, b, data_size);  in vc_insn_string_write()
653 static enum es_result vc_ioio_exitinfo(struct es_em_ctxt *ctxt, u64 *exitinfo)  in vc_ioio_exitinfo()  argument
655 	struct insn *insn = &ctxt->insn;  in vc_ioio_exitinfo()
664 		*exitinfo |= (ctxt->regs->dx & 0xffff) << 16;  in vc_ioio_exitinfo()
672 		*exitinfo |= (ctxt->regs->dx & 0xffff) << 16;  in vc_ioio_exitinfo()
693 		*exitinfo |= (ctxt->regs->dx & 0xffff) << 16;  in vc_ioio_exitinfo()
700 		*exitinfo |= (ctxt->regs->dx & 0xffff) << 16;  in vc_ioio_exitinfo()
740 static enum es_result vc_handle_ioio(struct ghcb *ghcb, struct es_em_ctxt *ctxt)  in vc_handle_ioio()  argument
742 	struct pt_regs *regs = ctxt->regs;  in vc_handle_ioio()
746 	ret = vc_ioio_exitinfo(ctxt, &exit_info_1);  in vc_handle_ioio()
773 		es_base = insn_get_seg_base(ctxt->regs, INAT_SEG_REG_ES);  in vc_handle_ioio()
777 			ret = vc_insn_string_read(ctxt,  in vc_handle_ioio()
792 		ret = sev_es_ghcb_hv_call(ghcb, ctxt, SVM_EXIT_IOIO,  in vc_handle_ioio()
799 			ret = vc_insn_string_write(ctxt,  in vc_handle_ioio()
834 		ret = sev_es_ghcb_hv_call(ghcb, ctxt, SVM_EXIT_IOIO, exit_info_1, 0);  in vc_handle_ioio()
867 				      struct es_em_ctxt *ctxt)  in vc_handle_cpuid()  argument
869 	struct pt_regs *regs = ctxt->regs;  in vc_handle_cpuid()
890 	ret = sev_es_ghcb_hv_call(ghcb, ctxt, SVM_EXIT_CPUID, 0, 0);  in vc_handle_cpuid()
909 				      struct es_em_ctxt *ctxt,  in vc_handle_rdtsc()  argument
915 	ret = sev_es_ghcb_hv_call(ghcb, ctxt, exit_code, 0, 0);  in vc_handle_rdtsc()
923 	ctxt->regs->ax = ghcb->save.rax;  in vc_handle_rdtsc()
924 	ctxt->regs->dx = ghcb->save.rdx;  in vc_handle_rdtsc()
926 		ctxt->regs->cx = ghcb->save.rcx;  in vc_handle_rdtsc()