HDV_PCI_READ_INTERCEPTED_MEMORY

Description

Function called to execute an intercepted MMIO read for the emulated device.

Syntax

typedef HRESULT (CALLBACK *HDV_PCI_READ_INTERCEPTED_MEMORY)(
    _In_opt_             void*                DeviceContext,
    _In_                 HDV_PCI_BAR_SELECTOR BarIndex,
    _In_                 UINT64               Offset,
    _In_                 UINT64               Length,
    _Out_writes_(Length) BYTE*                Value
    );

Parameters

Parameter	Description
DeviceContext	Context pointer that was supplied to HdvCreateDeviceInstance.
BarIndex	Index to the BAR the read operation pertains to.
Offset	Offset in bytes from the base of the BAR to read.
Length	Length in bytes to read (1 / 2 / 4 / 8 bytes).
Value	Receives the read value.

Return Values

Return Value	Description
S_OK	Returned if function succeeds.
HRESULT	An error code is returned if the function fails.

Requirements

Parameter	Description
Minimum supported client	Windows 10, version 1607
Minimum supported server	Windows Server 2016
Target Platform	Windows
Library	ComputeCore.lib
Dll	ComputeCore.dll