AVC_FUNCTION_GET_SUBUNIT_INFO
The AVC_FUNCTION_GET_SUBUNIT_INFO function code obtains the subunit information of the target device.
This function always sets Irp->IoStatus.Status to STATUS_SUCCESS.
This function uses the Subunits member of the AVC_MULTIFUNC_IRB structure as shown below.
typedef struct _AVC_MULTIFUNC_IRB {
AVC_IRB Common;
union {
.
.
.
AVC_SUBUNIT_INFO_BLOCK Subunits;
};
} AVC_MULTIFUNC_IRB, *PAVC_MULTIFUNC_IRB;
Headers: Declared in avc.h. Include avc.h.
Common
The Function submember of this member must be set to AVC_FUNCTION_GET_SUBUNIT_INFO from the AVC_FUNCTION enumeration.
Subunits
Specifies a description of an AV/C subunit's information.
This function is satisfied locally, so no commands are sent to the target.
This function code may be called at IRQL <= DISPATCH_LEVEL.