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authorHans de Goede <hdegoede@redhat.com>2013-11-21 17:21:01 +0100
committerGerd Hoffmann <kraxel@redhat.com>2014-05-26 08:41:07 +0200
commit56a9f180511cccbce943ee5c0b4c2e9cc7ccd800 (patch)
tree0f7f52ff3ba2bace130af536ee3717f47fad06b3
parentb664b80f194f472fd6f9b9a235b095bbde873f4e (diff)
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usb-host-libusb: Add alloc / free streams ops
Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
-rw-r--r--hw/usb/host-libusb.c50
1 files changed, 50 insertions, 0 deletions
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);