共用方式為


IVRS_IVINFO union (acpitabl.h)

定義 I/O 虛擬化報告結構 (IVRS) I/O 虛擬化結構。

語法

typedef union _IVRS_IVINFO {
  UINT32 AsUINT32;
  struct {
    UINT32 EFRSup : 1;
    UINT32 DmaGuardOptIn : 1;
    UINT32 ReservedZ0 : 3;
    UINT32 GVASize : 3;
    UINT32 PASize : 7;
    UINT32 VASize : 7;
    UINT32 HtAtsResv : 1;
    UINT32 ReservedZ1 : 9;
  } DUMMYSTRUCTNAME;
} IVRS_IVINFO, *PIVRS_IVINFO;

成員

AsUINT32

DUMMYSTRUCTNAME

DUMMYSTRUCTNAME.EFRSup

DUMMYSTRUCTNAME.DmaGuardOptIn

DUMMYSTRUCTNAME.ReservedZ0

DUMMYSTRUCTNAME.GVASize

DUMMYSTRUCTNAME.PASize

DUMMYSTRUCTNAME.VASize

DUMMYSTRUCTNAME.HtAtsResv

DUMMYSTRUCTNAME.ReservedZ1

規格需求

需求
標頭 acpitabl.h