From: Hans de Goede <hdego...@redhat.com>
Signed-off-by: Hans de Goede <hdego...@redhat.com>
Signed-off-by: Gerd Hoffmann <kra...@redhat.com>
---
hw/usb.h | 2 ++
hw/usb/core.c | 15 +++++++++++++++
2 files changed, 17 insertions(+), 0 deletions(-)
diff --git a/hw/usb.h b/hw/usb.h
index b8fceec..684e3f4 100644
--- a/hw/usb.h
+++ b/hw/usb.h
@@ -377,6 +377,8 @@ void usb_ep_set_max_packet_size(USBDevice *dev, int pid,
int ep,
uint16_t raw);
int usb_ep_get_max_packet_size(USBDevice *dev, int pid, int ep);
void usb_ep_set_pipeline(USBDevice *dev, int pid, int ep, bool enabled);
+USBPacket *usb_ep_find_packet_by_id(USBDevice *dev, int pid, int ep,
+ uint64_t id);
void usb_attach(USBPort *port);
void usb_detach(USBPort *port);
diff --git a/hw/usb/core.c b/hw/usb/core.c
index be6d936..fe431d0 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;
+}
--
1.7.1
