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EFI_USBFN_ENDPOINT_DIRECTION

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The EFI_USBFN_ENDPOINT_DIRECTION enumeration is used to identify direction of an USB transfer.

Syntax

typedef enum _EFI_USBFN_ENDPOINT_DIRECTION 
{
    EfiUsbEndpointDirectionHostOut  = 0,
    EfiUsbEndpointDirectionHostIn,
    EfiUsbEndpointDirectionDeviceTx = EfiUsbEndpointDirectionHostIn,
    EfiUsbEndpointDirectionDeviceRx = EfiUsbEndpointDirectionHostOut
} EFI_USBFN_ENDPOINT_DIRECTION;

Constants

EfiUsbEndpointDirectionHostOut
Indicates USB OUT transfer. Direction is from host to device

EfiUsbEndpointDirectionHostIn
Indicates USB IN transfer. Direction is from device to host.

EfiUsbEndpointDirectionDeviceTx
Indicates USB IN transfer. Direction is from device to host.

EfiUsbEndpointDirectionDeviceRx
Indicates USB OUT transfer. Direction is from host to device

Requirements

Header: User generated