From 56a9f180511cccbce943ee5c0b4c2e9cc7ccd800 Mon Sep 17 00:00:00 2001 From: Hans de Goede Date: Thu, 21 Nov 2013 17:21:01 +0100 Subject: usb-host-libusb: Add alloc / free streams ops Signed-off-by: Hans de Goede Signed-off-by: Gerd Hoffmann --- hw/usb/host-libusb.c | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+) (limited to 'hw') diff --git a/hw/usb/host-libusb.c b/hw/usb/host-libusb.c index 3fdbd931fe..401eb7477e 100644 --- a/hw/usb/host-libusb.c +++ b/hw/usb/host-libusb.c @@ -1280,6 +1280,54 @@ static void usb_host_handle_reset(USBDevice *udev) } } +static int usb_host_alloc_streams(USBDevice *udev, USBEndpoint **eps, + int nr_eps, int streams) +{ +#if LIBUSBX_API_VERSION >= 0x01000103 + USBHostDevice *s = USB_HOST_DEVICE(udev); + unsigned char endpoints[30]; + int i, rc; + + for (i = 0; i < nr_eps; i++) { + endpoints[i] = eps[i]->nr; + if (eps[i]->pid == USB_TOKEN_IN) { + endpoints[i] |= 0x80; + } + } + rc = libusb_alloc_streams(s->dh, streams, endpoints, nr_eps); + if (rc < 0) { + usb_host_libusb_error("libusb_alloc_streams", rc); + } else if (rc != streams) { + fprintf(stderr, + "libusb_alloc_streams: got less streams then requested %d < %d\n", + rc, streams); + } + + return (rc == streams) ? 0 : -1; +#else + fprintf(stderr, "libusb_alloc_streams: error not implemented\n"); + return -1; +#endif +} + +static void usb_host_free_streams(USBDevice *udev, USBEndpoint **eps, + int nr_eps) +{ +#if LIBUSBX_API_VERSION >= 0x01000103 + USBHostDevice *s = USB_HOST_DEVICE(udev); + unsigned char endpoints[30]; + int i; + + for (i = 0; i < nr_eps; i++) { + endpoints[i] = eps[i]->nr; + if (eps[i]->pid == USB_TOKEN_IN) { + endpoints[i] |= 0x80; + } + } + libusb_free_streams(s->dh, endpoints, nr_eps); +#endif +} + /* * This is *NOT* about restoring state. We have absolutely no idea * what state the host device is in at the moment and whenever it is @@ -1361,6 +1409,8 @@ static void usb_host_class_initfn(ObjectClass *klass, void *data) uc->handle_reset = usb_host_handle_reset; uc->handle_destroy = usb_host_handle_destroy; uc->flush_ep_queue = usb_host_flush_ep_queue; + uc->alloc_streams = usb_host_alloc_streams; + uc->free_streams = usb_host_free_streams; dc->vmsd = &vmstate_usb_host; dc->props = usb_host_dev_properties; set_bit(DEVICE_CATEGORY_BRIDGE, dc->categories); -- cgit v1.2.3