From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:45343) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TjVOt-0004XP-JH for qemu-devel@nongnu.org; Fri, 14 Dec 2012 08:34:05 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TjVOq-0005Mf-SU for qemu-devel@nongnu.org; Fri, 14 Dec 2012 08:34:03 -0500 Received: from mx1.redhat.com ([209.132.183.28]:39804) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TjVOq-0005MS-JY for qemu-devel@nongnu.org; Fri, 14 Dec 2012 08:34:00 -0500 Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id qBEDY08F017419 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Fri, 14 Dec 2012 08:34:00 -0500 From: Hans de Goede Date: Fri, 14 Dec 2012 14:35:44 +0100 Message-Id: <1355492147-5023-24-git-send-email-hdegoede@redhat.com> In-Reply-To: <1355492147-5023-1-git-send-email-hdegoede@redhat.com> References: <1355492147-5023-1-git-send-email-hdegoede@redhat.com> Subject: [Qemu-devel] [PATCH 23/26] usbredir: Verify we have 32 bits bulk length cap when redirecting to xhci List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Gerd Hoffmann Cc: Hans de Goede , qemu-devel@nongnu.org The xhci-hcd may submit bulk transfers > 65535 bytes even when not using bulk-in pipeling, so usbredir can only be used in combination with an xhci hcd if the client has the 32 bits bulk length capability. Signed-off-by: Hans de Goede --- hw/usb/redirect.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/hw/usb/redirect.c b/hw/usb/redirect.c index ed2f427..f4715f3 100644 --- a/hw/usb/redirect.c +++ b/hw/usb/redirect.c @@ -989,6 +989,8 @@ static void usbredir_do_attach(void *opaque) usbredirparser_peer_has_cap(dev->parser, usb_redir_cap_ep_info_max_packet_size) && usbredirparser_peer_has_cap(dev->parser, + usb_redir_cap_32bits_bulk_length) && + usbredirparser_peer_has_cap(dev->parser, usb_redir_cap_64bits_ids))) { ERROR("usb-redir-host lacks capabilities needed for use with XHCI\n"); usbredir_reject_device(dev); -- 1.8.0.1