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usb-redir: Allow redirecting super speed devices to high speed controllers

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Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Hans de Goede 2012-10-31 13:47:16 +01:00 committed by Gerd Hoffmann
parent cdfd3530fa
commit 95a59dc039
1 changed files with 21 additions and 2 deletions
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23
hw/usb/redirect.c
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@ -1071,7 +1071,7 @@ static int usbredir_initfn(USBDevice *udev)
udev->auto_attach = 0;
/* Will be cleared during setup when we find conflicts */
dev->compatible_speedmask = USB_SPEED_MASK_FULL;
dev->compatible_speedmask = USB_SPEED_MASK_FULL | USB_SPEED_MASK_HIGH;
/* Let the backend know we are ready */
qemu_chr_fe_open(dev->cs);
@ -1214,10 +1214,12 @@ static void usbredir_device_connect(void *priv,
speed = "low speed";
dev->dev.speed = USB_SPEED_LOW;
dev->compatible_speedmask &= ~USB_SPEED_MASK_FULL;
dev->compatible_speedmask &= ~USB_SPEED_MASK_HIGH;
break;
case usb_redir_speed_full:
speed = "full speed";
dev->dev.speed = USB_SPEED_FULL;
dev->compatible_speedmask &= ~USB_SPEED_MASK_HIGH;
break;
case usb_redir_speed_high:
speed = "high speed";
@ -1287,7 +1289,7 @@ static void usbredir_device_disconnect(void *priv)
dev->interface_info.interface_count = NO_INTERFACE_INFO;
dev->dev.addr = 0;
dev->dev.speed = 0;
dev->compatible_speedmask = USB_SPEED_MASK_FULL;
dev->compatible_speedmask = USB_SPEED_MASK_FULL | USB_SPEED_MASK_HIGH;
}
static void usbredir_interface_info(void *priv,
@ -1364,6 +1366,7 @@ static void usbredir_ep_info(void *priv,
break;
case usb_redir_type_iso:
usbredir_mark_speed_incompatible(dev, USB_SPEED_FULL);
usbredir_mark_speed_incompatible(dev, USB_SPEED_HIGH);
/* Fall through */
case usb_redir_type_interrupt:
if (!usbredirparser_peer_has_cap(dev->parser,
@ -1371,6 +1374,11 @@ static void usbredir_ep_info(void *priv,
ep_info->max_packet_size[i] > 64) {
usbredir_mark_speed_incompatible(dev, USB_SPEED_FULL);
}
if (!usbredirparser_peer_has_cap(dev->parser,
usb_redir_cap_ep_info_max_packet_size) ||
ep_info->max_packet_size[i] > 1024) {
usbredir_mark_speed_incompatible(dev, USB_SPEED_HIGH);
}
if (dev->endpoint[i].interval == 0) {
ERROR("Received 0 interval for isoc or irq endpoint\n");
usbredir_reject_device(dev);
@ -1501,6 +1509,17 @@ static void usbredir_control_packet(void *priv, uint64_t id,
DPRINTF("ctrl-in status %d len %d id %"PRIu64"\n", control_packet->status,
len, id);
/* Fix up USB-3 ep0 maxpacket size to allow superspeed connected devices
* to work redirected to a not superspeed capable hcd */
if (dev->dev.speed == USB_SPEED_SUPER &&
!((dev->dev.port->speedmask & USB_SPEED_MASK_SUPER)) &&
control_packet->requesttype == 0x80 &&
control_packet->request == 6 &&
control_packet->value == 0x100 && control_packet->index == 0 &&
data_len >= 18 && data[7] == 9) {
data[7] = 64;
}
p = usbredir_find_packet_by_id(dev, 0, id);
if (p) {
len = usbredir_handle_status(dev, control_packet->status, len);