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| author | Hans de Goede <hdegoede@redhat.com> | 2012-08-28 09:43:18 +0200 |
|---|---|---|
| committer | Gerd Hoffmann <kraxel@redhat.com> | 2012-09-11 07:42:59 +0200 |
| commit | c13a9e61366cc3e28299d8faeb65e65c6e5964cf (patch) | |
| tree | 81cb8ecad6a9c5ec9cf963fb37966a41c8150d33 /hw/usb/core.c | |
| parent | cc40997489260f405aecccd30d4626ceee862502 (diff) | |
| download | focaccia-qemu-c13a9e61366cc3e28299d8faeb65e65c6e5964cf.tar.gz focaccia-qemu-c13a9e61366cc3e28299d8faeb65e65c6e5964cf.zip | |
usb-core: Add a usb_ep_find_packet_by_id() helper function
Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Diffstat (limited to 'hw/usb/core.c')
| -rw-r--r-- | hw/usb/core.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/hw/usb/core.c b/hw/usb/core.c index be6d936881..fe431d02d9 100644 --- a/hw/usb/core.c +++ b/hw/usb/core.c @@ -726,3 +726,18 @@ void usb_ep_set_pipeline(USBDevice *dev, int pid, int ep, bool enabled) struct USBEndpoint *uep = usb_ep_get(dev, pid, ep); uep->pipeline = enabled; } + +USBPacket *usb_ep_find_packet_by_id(USBDevice *dev, int pid, int ep, + uint64_t id) +{ + struct USBEndpoint *uep = usb_ep_get(dev, pid, ep); + USBPacket *p; + + while ((p = QTAILQ_FIRST(&uep->queue)) != NULL) { + if (p->id == id) { + return p; + } + } + + return NULL; +} |