From 81e37421158a28277c9857ba733da4371cb06129 Mon Sep 17 00:00:00 2001

From: Gerd Hoffmann <kraxel@redhat.com>

Date: Tue, 28 Aug 2012 17:28:50 +0200

Subject: [PATCH] usb3: superspeed descriptors

Add superspeed descriptor entry to USBDesc,

advertise superspeed support when present.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>

---

 hw/usb/desc.c | 10 +++++++++-

 hw/usb/desc.h |  1 +

 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/hw/usb/desc.c b/hw/usb/desc.c

index 0a9d3c9..3e8c6cb 100644

--- a/hw/usb/desc.c

+++ b/hw/usb/desc.c

@@ -359,6 +359,9 @@ static void usb_desc_setdefaults(USBDevice *dev)

     case USB_SPEED_HIGH:

         dev->device = desc->high;

         break;

+    case USB_SPEED_SUPER:

+        dev->device = desc->super;

+        break;

     }

     usb_desc_set_config(dev, 0);

 }

@@ -376,6 +379,9 @@ void usb_desc_init(USBDevice *dev)

     if (desc->high) {

         dev->speedmask |= USB_SPEED_MASK_HIGH;

     }

+    if (desc->super) {

+        dev->speedmask |= USB_SPEED_MASK_SUPER;

+    }

     usb_desc_setdefaults(dev);

 }

@@ -384,7 +390,9 @@ void usb_desc_attach(USBDevice *dev)

     const USBDesc *desc = usb_device_get_usb_desc(dev);

     assert(desc != NULL);

-    if (desc->high && (dev->port->speedmask & USB_SPEED_MASK_HIGH)) {

+    if (desc->super && (dev->port->speedmask & USB_SPEED_MASK_SUPER)) {

+        dev->speed = USB_SPEED_SUPER;

+    } else if (desc->high && (dev->port->speedmask & USB_SPEED_MASK_HIGH)) {

         dev->speed = USB_SPEED_HIGH;

     } else if (desc->full && (dev->port->speedmask & USB_SPEED_MASK_FULL)) {

         dev->speed = USB_SPEED_FULL;

diff --git a/hw/usb/desc.h b/hw/usb/desc.h

index 7cf5442..d89fa41 100644

--- a/hw/usb/desc.h

+++ b/hw/usb/desc.h

@@ -152,6 +152,7 @@ struct USBDesc {

     USBDescID                 id;

     const USBDescDevice       *full;

     const USBDescDevice       *high;

+    const USBDescDevice       *super;

     const char* const         *str;

 };

-- 

1.7.12.1