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usb3: superspeed descriptors 

Add superspeed descriptor entry to USBDesc,
advertise superspeed support when present.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Gerd Hoffmann 2012-08-28 17:28:50 +02:00
parent 0846e6359c
commit 6d51b2bb07
2 changed files with 10 additions and 1 deletions
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10
hw/usb/desc.c
View File

@ -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;

1
hw/usb/desc.h
View File

@ -152,6 +152,7 @@ struct USBDesc {
USBDescID id;
const USBDescDevice *full;
const USBDescDevice *high;
const USBDescDevice *super;
const char* const *str;
};