https://git.reactos.org/?p=reactos.git;a=commitdiff;h=d4ff198c7c620e39f12b6…
commit d4ff198c7c620e39f12b60c04005a48cfe4bad42
Author:     Vadim Galyant <vgal(a)rambler.ru>
AuthorDate: Mon Nov 27 15:41:44 2017 +0900
Commit:     Amine Khaldi <amine.khaldi(a)reactos.org>
CommitDate: Sun Jan 21 19:35:34 2018 +0100
    [PSDK] Add USB hub class-specific request type codes.
---
 sdk/include/psdk/usb200.h | 8 ++++++++
 1 file changed, 8 insertions(+)
diff --git a/sdk/include/psdk/usb200.h b/sdk/include/psdk/usb200.h
index 8babb868e2..c2afc73b81 100644
--- a/sdk/include/psdk/usb200.h
+++ b/sdk/include/psdk/usb200.h
@@ -279,6 +279,14 @@ C_ASSERT(sizeof(USB_HUB_STATUS_AND_CHANGE) == sizeof(ULONG));
 #define USB_20_HUB_DESCRIPTOR_TYPE  0x29
 #define USB_30_HUB_DESCRIPTOR_TYPE  0x2A
+#define USB_REQUEST_CLEAR_TT_BUFFER     0x08
+#define USB_REQUEST_RESET_TT            0x09
+#define USB_REQUEST_GET_TT_STATE        0x0A
+#define USB_REQUEST_STOP_TT             0x0B
+
+#define USB_REQUEST_SET_HUB_DEPTH       0x0C
+#define USB_REQUEST_GET_PORT_ERR_COUNT  0x0D
+
 #define USB_DEVICE_CLASS_RESERVED             0x00
 #define USB_DEVICE_CLASS_AUDIO                0x01
 #define USB_DEVICE_CLASS_COMMUNICATIONS       0x02