76 static enum es_result vc_init_em_ctxt(struct es_em_ctxt *ctxt,  in vc_init_em_ctxt()  argument
82 	memset(ctxt, 0, sizeof(*ctxt));  in vc_init_em_ctxt()
83 	ctxt->regs = regs;  in vc_init_em_ctxt()
86 		ret = vc_decode_insn(ctxt);  in vc_init_em_ctxt()
91 static void vc_finish_insn(struct es_em_ctxt *ctxt)  in vc_finish_insn()  argument
93 	ctxt->regs->ip += ctxt->insn.length;  in vc_finish_insn()
97 					  struct es_em_ctxt *ctxt,  in sev_es_ghcb_hv_call()  argument
125 			ctxt->fi.vector = v;  in sev_es_ghcb_hv_call()
127 				ctxt->fi.error_code = info >> 32;  in sev_es_ghcb_hv_call()
221 static enum es_result vc_insn_string_read(struct es_em_ctxt *ctxt,  in vc_insn_string_read()  argument
234 		ret = vc_read_mem(ctxt, s, d, data_size);  in vc_insn_string_read()
242 static enum es_result vc_insn_string_write(struct es_em_ctxt *ctxt,  in vc_insn_string_write()  argument
255 		ret = vc_write_mem(ctxt, d, b, data_size);  in vc_insn_string_write()
282 static enum es_result vc_ioio_exitinfo(struct es_em_ctxt *ctxt, u64 *exitinfo)  in vc_ioio_exitinfo()  argument
284 	struct insn *insn = &ctxt->insn;  in vc_ioio_exitinfo()
293 		*exitinfo |= (ctxt->regs->dx & 0xffff) << 16;  in vc_ioio_exitinfo()
301 		*exitinfo |= (ctxt->regs->dx & 0xffff) << 16;  in vc_ioio_exitinfo()
322 		*exitinfo |= (ctxt->regs->dx & 0xffff) << 16;  in vc_ioio_exitinfo()
329 		*exitinfo |= (ctxt->regs->dx & 0xffff) << 16;  in vc_ioio_exitinfo()
369 static enum es_result vc_handle_ioio(struct ghcb *ghcb, struct es_em_ctxt *ctxt)  in vc_handle_ioio()  argument
371 	struct pt_regs *regs = ctxt->regs;  in vc_handle_ioio()
375 	ret = vc_ioio_exitinfo(ctxt, &exit_info_1);  in vc_handle_ioio()
402 		es_base = insn_get_seg_base(ctxt->regs, INAT_SEG_REG_ES);  in vc_handle_ioio()
406 			ret = vc_insn_string_read(ctxt,  in vc_handle_ioio()
421 		ret = sev_es_ghcb_hv_call(ghcb, ctxt, SVM_EXIT_IOIO,  in vc_handle_ioio()
428 			ret = vc_insn_string_write(ctxt,  in vc_handle_ioio()
463 		ret = sev_es_ghcb_hv_call(ghcb, ctxt, SVM_EXIT_IOIO, exit_info_1, 0);  in vc_handle_ioio()
478 				      struct es_em_ctxt *ctxt)  in vc_handle_cpuid()  argument
480 	struct pt_regs *regs = ctxt->regs;  in vc_handle_cpuid()
494 	ret = sev_es_ghcb_hv_call(ghcb, ctxt, SVM_EXIT_CPUID, 0, 0);  in vc_handle_cpuid()
513 				      struct es_em_ctxt *ctxt,  in vc_handle_rdtsc()  argument
519 	ret = sev_es_ghcb_hv_call(ghcb, ctxt, exit_code, 0, 0);  in vc_handle_rdtsc()
527 	ctxt->regs->ax = ghcb->save.rax;  in vc_handle_rdtsc()
528 	ctxt->regs->dx = ghcb->save.rdx;  in vc_handle_rdtsc()
530 		ctxt->regs->cx = ghcb->save.rcx;  in vc_handle_rdtsc()