RtQueryPciMsiCapability

RtQueryPciMsiCapability allows a user to query a PCI device and determine if the device has MSI or MSI-X capability. RtQueryPciMsiCapability is only supported in the RTSS environment. It cannot be called from a Windows application linked to wRTOS.

Syntax

MSI_CAPABILITY RtQueryPciMsiCapability(
    [in]    ULONG BusNumber
    [in]    PCI_SLOT_NUMBER SlotNumber
);

Parameters

[in] BusNumber

The bus the device is on in a multiple bus environment, with counting starting at zero.

[in] SlotNumber

The logical slot number. This is a PCI_SLOT_NUMBER type value.

Return Value

See MSI_CAPABILITY.

Comments

Requirements