#![allow(non_upper_case_globals)]
#![allow(non_camel_case_types)]
#![allow(non_snake_case)]
include!(concat!(env!("OUT_DIR"), "/bindings.rs"));
#[repr(C, packed)]
struct usb_functionfs_ep_descs {
intf: usb_interface_descriptor,
sink: usb_endpoint_descriptor_no_audio,
source: usb_endpoint_descriptor_no_audio,
}
// Per example this is not packed.
struct usb_functionfs_ss_ep_descs {
intf: usb_interface_descriptor,
sink: usb_endpoint_descriptor_no_audio,
sink_comp: usb_ss_ep_comp_descriptor,
source: usb_endpoint_descriptor_no_audio,
source_comp: usb_ss_ep_comp_descriptor,
}
#[repr(C, packed)]
struct usb_functionfs_descriptors {
header: usb_functionfs_descs_head_v2,
fs_count: u32,
hs_count: u32,
ss_count: u32,
fs_descs: usb_functionfs_ep_descs,
hs_descs: usb_functionfs_ep_descs,
ss_descs: usb_functionfs_ss_ep_descs,
}
#[cfg(test)]
mod linux_usb_functionfs_sys {
use std::mem;
use crate::*;
#[test]
fn test_struct_contents() {
let descriptors = usb_functionfs_descriptors {
header: usb_functionfs_descs_head_v2 {
magic: FUNCTIONFS_DESCRIPTORS_MAGIC_V2.to_le(),
flags: (functionfs_flags_FUNCTIONFS_HAS_FS_DESC |
functionfs_flags_FUNCTIONFS_HAS_HS_DESC |
functionfs_flags_FUNCTIONFS_HAS_SS_DESC).to_le(),
length: (mem::size_of::<usb_functionfs_descriptors>() as u32).to_le(),
},
fs_count: 3u32.to_le(),
hs_count: 3u32.to_le(),
ss_count: 5u32.to_le(),
fs_descs: usb_functionfs_ep_descs {
intf: usb_interface_descriptor {
bLength: mem::size_of::<usb_interface_descriptor>() as u8,
bDescriptorType: USB_DT_INTERFACE as u8,
bInterfaceNumber: 0,
bAlternateSetting: 0,
bNumEndpoints: 2,
bInterfaceClass: USB_CLASS_VENDOR_SPEC as u8,
bInterfaceSubClass: 0,
bInterfaceProtocol: 0,
iInterface: 1,
},
sink: usb_endpoint_descriptor_no_audio {
bLength: mem::size_of::<usb_endpoint_descriptor_no_audio>() as u8,
bDescriptorType: USB_DT_ENDPOINT as u8,
bEndpointAddress: 1 | USB_DIR_IN as u8,
bmAttributes: USB_ENDPOINT_XFER_BULK as u8,
wMaxPacketSize: 0,
bInterval: 0,
},
source: usb_endpoint_descriptor_no_audio {
bLength: mem::size_of::<usb_endpoint_descriptor_no_audio>() as u8,
bDescriptorType: USB_DT_ENDPOINT as u8,
bEndpointAddress: 2 | USB_DIR_OUT as u8,
bmAttributes: USB_ENDPOINT_XFER_BULK as u8,
wMaxPacketSize: 0,
bInterval: 0,
},
},
hs_descs: usb_functionfs_ep_descs {
intf: usb_interface_descriptor {
bLength: mem::size_of::<usb_interface_descriptor>() as u8,
bDescriptorType: USB_DT_INTERFACE as u8,
bInterfaceNumber: 0,
bAlternateSetting: 0,
bNumEndpoints: 2,
bInterfaceClass: USB_CLASS_VENDOR_SPEC as u8,
bInterfaceSubClass: 0,
bInterfaceProtocol: 0,
iInterface: 1,
},
sink: usb_endpoint_descriptor_no_audio {
bLength: mem::size_of::<usb_endpoint_descriptor_no_audio>() as u8,
bDescriptorType: USB_DT_ENDPOINT as u8,
bEndpointAddress: 1 | USB_DIR_IN as u8,
bmAttributes: USB_ENDPOINT_XFER_BULK as u8,
wMaxPacketSize: 512u16.to_le(),
bInterval: 0,
},
source: usb_endpoint_descriptor_no_audio {
bLength: mem::size_of::<usb_endpoint_descriptor_no_audio>() as u8,
bDescriptorType: USB_DT_ENDPOINT as u8,
bEndpointAddress: 2 | USB_DIR_OUT as u8,
bmAttributes: USB_ENDPOINT_XFER_BULK as u8,
wMaxPacketSize: 512u16.to_le(),
bInterval: 1,
},
},
ss_descs: usb_functionfs_ss_ep_descs {
intf: usb_interface_descriptor {
bLength: mem::size_of::<usb_interface_descriptor>() as u8,
bDescriptorType: USB_DT_INTERFACE as u8,
bInterfaceNumber: 0,
bAlternateSetting: 0,
bNumEndpoints: 2,
bInterfaceClass: USB_CLASS_VENDOR_SPEC as u8,
bInterfaceSubClass: 0,
bInterfaceProtocol: 0,
iInterface: 1,
},
sink: usb_endpoint_descriptor_no_audio {
bLength: mem::size_of::<usb_endpoint_descriptor_no_audio>() as u8,
bDescriptorType: USB_DT_ENDPOINT as u8,
bEndpointAddress: 1 | USB_DIR_IN as u8,
bmAttributes: USB_ENDPOINT_XFER_BULK as u8,
wMaxPacketSize: 1024u16.to_le(),
bInterval: 0,
},
sink_comp: usb_ss_ep_comp_descriptor {
bLength: USB_DT_SS_EP_COMP_SIZE as u8,
bDescriptorType: USB_DT_SS_ENDPOINT_COMP as u8,
bMaxBurst: 0,
bmAttributes: 0,
wBytesPerInterval: 0,
},
source: usb_endpoint_descriptor_no_audio {
bLength: mem::size_of::<usb_endpoint_descriptor_no_audio>() as u8,
bDescriptorType: USB_DT_ENDPOINT as u8,
bEndpointAddress: 2 | USB_DIR_OUT as u8,
bmAttributes: USB_ENDPOINT_XFER_BULK as u8,
wMaxPacketSize: 1024u16.to_le(),
bInterval: 1,
},
source_comp: usb_ss_ep_comp_descriptor {
bLength: USB_DT_SS_EP_COMP_SIZE as u8,
bDescriptorType: USB_DT_SS_ENDPOINT_COMP as u8,
bMaxBurst: 0,
bmAttributes: 0,
wBytesPerInterval: 0,
},
},
};
// This should catch most potential errors -- rust is very lenient about packing
// and byte order.
let size = mem::size_of::<usb_functionfs_descriptors>();
assert_eq!(size, 105, "Descriptor size does not match reference implementation size");
// But just to be sure, check the entire contents.
let pointer: *const usb_functionfs_descriptors = &descriptors;
let slice = unsafe { std::slice::from_raw_parts(&descriptors as *const _ as *const u8, size) };
// TODO: Include this from output of program compiled against Linux headers.
let real = vec![0x03, 0x00, 0x00, 0x00, 0x69, 0x00, 0x00, 0x00, 0x07, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x05, 0x00, 0x00, 0x00, 0x09, 0x04, 0x00, 0x00, 0x02, 0xff, 0x00, 0x00, 0x01, 0x07, 0x05, 0x81, 0x02, 0x00, 0x00, 0x00, 0x07, 0x05, 0x02, 0x02, 0x00, 0x00, 0x00, 0x09, 0x04, 0x00, 0x00, 0x02, 0xff, 0x00, 0x00, 0x01, 0x07, 0x05, 0x81, 0x02, 0x00, 0x02, 0x00, 0x07, 0x05, 0x02, 0x02, 0x00, 0x02, 0x01, 0x09, 0x04, 0x00, 0x00, 0x02, 0xff, 0x00, 0x00, 0x01, 0x07, 0x05, 0x81, 0x02, 0x00, 0x04, 0x00, 0x06, 0x30, 0x00, 0x00, 0x00, 0x00, 0x07, 0x05, 0x02, 0x02, 0x00, 0x04, 0x01, 0x06, 0x30, 0x00, 0x00, 0x00, 0x00, ];
// Shown to user if test fails.
for i in 0..size {
if slice[i] != real[i] {
println!("{}", i);
}
}
assert_eq!(slice.to_vec(), real);
}
}