uefi: Implement USB getters and sync transfers

Author: JarlEvanson

uefi/CHANGELOG.md

@@ -11,6 +11,7 @@
 - Added `proto::scsi::pass_thru::ExtScsiPassThru`.
 - Added `proto::nvme::pass_thru::NvmePassThru`.
 - Added `proto::ata::pass_thru::AtaPassThru`.
+- Added `proto::usb::io::UsbIo`.
 - Added `boot::ScopedProtocol::open_params()`.
 - Added `boot::TplGuard::old_tpl()`.
 
@@ -39,7 +40,7 @@
 - The `Display` impl for `CStr8` now excludes the trailing null character.
 - `VariableKeys` initializes with a larger name buffer to work around firmware
   bugs on some devices.
-- The UEFI `allocator::Allocator` has been optimized for page-aligned 
+- The UEFI `allocator::Allocator` has been optimized for page-aligned
   allocations.
 
 

uefi/src/proto/usb/io.rs

@@ -5,15 +5,15 @@
 use core::ffi;
 
 use uefi_macros::unsafe_protocol;
-use uefi_raw::protocol::usb::io::{DataDirection, DeviceRequest, UsbIoProtocol, UsbTransferStatus};
+use uefi_raw::protocol::usb::io::UsbIoProtocol;
+use uefi_raw::protocol::usb::{
+    ConfigDescriptor, DataDirection, DeviceDescriptor, DeviceRequest, EndpointDescriptor,
+    InterfaceDescriptor, UsbTransferStatus,
+};
 
 use crate::data_types::PoolString;
 use crate::{Char16, Result, StatusExt};
 
-pub use uefi_raw::protocol::usb::io::{
-    ConfigDescriptor, DeviceDescriptor, EndpointDescriptor, InterfaceDescriptor,
-};
-
 /// USB I/O protocol.
 #[derive(Debug)]
 #[repr(transparent)]
@@ -45,6 +45,14 @@ impl UsbIo {
             ),
         };
 
+        let request_type = if direction == DataDirection::DATA_IN {
+            request_type | 0x80
+        } else if direction == DataDirection::DATA_OUT {
+            request_type & !0x80
+        } else {
+            request_type
+        };
+
         let mut device_request = DeviceRequest {
             request_type,
             request,