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EFI_USB_BOS_DESCRIPTOR

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The EFI_USB_BOS_DESCRIPTOR structure provides information about the Binary Object Store (BOS) to the USB function driver.

Syntax

typedef struct
{
    UINT8   Length;
    UINT8   DescriptorType;
    UINT16  TotalLength;
    UINT8   NumDeviceCaps;
} EFI_USB_BOS_DESCRIPTOR;

Members

Length
The size of the descriptor.

DescriptorType
The BOS descriptor type.

TotalLength
The length of this descriptor and all of its sub descriptors.

NumDeviceCaps
The number of separate device capability descriptors in the BOS.

Requirements

Header: User generated