DXGKARG_CONNECTDOORBELL_FLAGS structure (d3dkmddi.h)
Important
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The DXGKARG_CONNECTDOORBELL_FLAGS structure specifies doorbell connection flags for DxgkDdiConnectDoorbell.
Syntax
typedef struct _DXGKARG_CONNECTDOORBELL_FLAGS {
union {
struct {
UINT RequireSecondaryAddress : 1;
UINT Reserved : 31;
};
UINT Value;
};
} DXGKARG_CONNECTDOORBELL_FLAGS;
Members
RequireSecondaryAddress
If UMD created this doorbell with the RequireSecondaryCpuVA flag, then Dxgkrnl sets this corresponding RequireSecondaryAddress flag to inform KMD that this doorbell requires two physical addresses.
Reserved
Reserved; set to zero.
Value
An alternative way to access the structure members.
Remarks
For more information, see User-mode work submission.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows 11, version 24H2 (WDDM 3.2) |
| Header | d3dkmddi.h |