diff options
author | Hans de Goede <hdegoede@redhat.com> | 2013-09-18 14:07:27 +0200 |
---|---|---|
committer | Hans de Goede <hdegoede@redhat.com> | 2013-11-21 17:18:42 +0100 |
commit | c72ddac33610a91593e1ed361c27ab9bc92c0497 (patch) | |
tree | a5099de597cb92250a4387db98a31952679bbc2a | |
parent | 563c788fe7c48a84dc24f6b930f6788edb27359c (diff) |
usb: Add usb_device_alloc/free_streams
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
-rw-r--r-- | hw/usb/bus.c | 18 | ||||
-rw-r--r-- | include/hw/usb.h | 12 |
2 files changed, 30 insertions, 0 deletions
diff --git a/hw/usb/bus.c b/hw/usb/bus.c index ca329bef2..09848c632 100644 --- a/hw/usb/bus.c +++ b/hw/usb/bus.c @@ -203,6 +203,24 @@ void usb_device_ep_stopped(USBDevice *dev, USBEndpoint *ep) } } +int usb_device_alloc_streams(USBDevice *dev, USBEndpoint **eps, int nr_eps, + int streams) +{ + USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev); + if (klass->alloc_streams) { + return klass->alloc_streams(dev, eps, nr_eps, streams); + } + return 0; +} + +void usb_device_free_streams(USBDevice *dev, USBEndpoint **eps, int nr_eps) +{ + USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev); + if (klass->free_streams) { + klass->free_streams(dev, eps, nr_eps); + } +} + static int usb_qdev_init(DeviceState *qdev) { USBDevice *dev = USB_DEVICE(qdev); diff --git a/include/hw/usb.h b/include/hw/usb.h index e9d96baf4..0a6ef4af7 100644 --- a/include/hw/usb.h +++ b/include/hw/usb.h @@ -315,6 +315,14 @@ typedef struct USBDeviceClass { */ void (*ep_stopped)(USBDevice *dev, USBEndpoint *ep); + /* + * Called by the hcd to alloc / free streams on a bulk endpoint. + * Optional may be NULL. + */ + int (*alloc_streams)(USBDevice *dev, USBEndpoint **eps, int nr_eps, + int streams); + void (*free_streams)(USBDevice *dev, USBEndpoint **eps, int nr_eps); + const char *product_desc; const USBDesc *usb_desc; } USBDeviceClass; @@ -553,6 +561,10 @@ void usb_device_flush_ep_queue(USBDevice *dev, USBEndpoint *ep); void usb_device_ep_stopped(USBDevice *dev, USBEndpoint *ep); +int usb_device_alloc_streams(USBDevice *dev, USBEndpoint **eps, int nr_eps, + int streams); +void usb_device_free_streams(USBDevice *dev, USBEndpoint **eps, int nr_eps); + const char *usb_device_get_product_desc(USBDevice *dev); const USBDesc *usb_device_get_usb_desc(USBDevice *dev); |