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authorGerd Hoffmann <kraxel@redhat.com>2011-05-12 13:20:39 +0200
committerGerd Hoffmann <kraxel@redhat.com>2011-05-26 11:55:03 +0200
commit53aa8c0e2af473050fa765533a8d69f3450788ab (patch)
tree74cdb5f5490f5c05cc4ceb1dd5caf617e165197f
parentebd669a19f00d0ff8370e1edfb6232f50e42110d (diff)
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usb: add usb_handle_packet
Add a usb_handle_packet function, put it into use everywhere. Right now it just calls dev->info->handle_packet(), that will change in future patches though. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
-rw-r--r--hw/usb-hub.c2
-rw-r--r--hw/usb-musb.c2
-rw-r--r--hw/usb-ohci.c4
-rw-r--r--hw/usb-uhci.c2
-rw-r--r--hw/usb.c17
-rw-r--r--hw/usb.h2
6 files changed, 22 insertions, 7 deletions
diff --git a/hw/usb-hub.c b/hw/usb-hub.c
index 477927b..6e2a358 100644
--- a/hw/usb-hub.c
+++ b/hw/usb-hub.c
@@ -495,7 +495,7 @@ static int usb_hub_broadcast_packet(USBHubState *s, USBPacket *p)
port = &s->ports[i];
dev = port->port.dev;
if (dev && (port->wPortStatus & PORT_STAT_ENABLE)) {
- ret = dev->info->handle_packet(dev, p);
+ ret = usb_handle_packet(dev, p);
if (ret != USB_RET_NODEV) {
return ret;
}
diff --git a/hw/usb-musb.c b/hw/usb-musb.c
index 38986d3..6037193 100644
--- a/hw/usb-musb.c
+++ b/hw/usb-musb.c
@@ -601,7 +601,7 @@ static void musb_packet(MUSBState *s, MUSBEndPoint *ep,
ep->packey[dir].dir = dir;
if (s->port.dev)
- ret = s->port.dev->info->handle_packet(s->port.dev, &ep->packey[dir].p);
+ ret = usb_handle_packet(s->port.dev, &ep->packey[dir].p);
else
ret = USB_RET_NODEV;
diff --git a/hw/usb-ohci.c b/hw/usb-ohci.c
index 32913eb..8b966f7 100644
--- a/hw/usb-ohci.c
+++ b/hw/usb-ohci.c
@@ -748,7 +748,7 @@ static int ohci_service_iso_td(OHCIState *ohci, struct ohci_ed *ed,
ohci->usb_packet.devep = OHCI_BM(ed->flags, ED_EN);
ohci->usb_packet.data = ohci->usb_buf;
ohci->usb_packet.len = len;
- ret = dev->info->handle_packet(dev, &ohci->usb_packet);
+ ret = usb_handle_packet(dev, &ohci->usb_packet);
if (ret != USB_RET_NODEV)
break;
}
@@ -944,7 +944,7 @@ static int ohci_service_td(OHCIState *ohci, struct ohci_ed *ed)
ohci->usb_packet.devep = OHCI_BM(ed->flags, ED_EN);
ohci->usb_packet.data = ohci->usb_buf;
ohci->usb_packet.len = len;
- ret = dev->info->handle_packet(dev, &ohci->usb_packet);
+ ret = usb_handle_packet(dev, &ohci->usb_packet);
if (ret != USB_RET_NODEV)
break;
}
diff --git a/hw/usb-uhci.c b/hw/usb-uhci.c
index 1e9c1e7..c0de05b 100644
--- a/hw/usb-uhci.c
+++ b/hw/usb-uhci.c
@@ -632,7 +632,7 @@ static int uhci_broadcast_packet(UHCIState *s, USBPacket *p)
USBDevice *dev = port->port.dev;
if (dev && (port->ctrl & UHCI_PORT_EN))
- ret = dev->info->handle_packet(dev, p);
+ ret = usb_handle_packet(dev, p);
}
DPRINTF("uhci: packet exit. ret %d len %d\n", ret, p->len);
diff --git a/hw/usb.c b/hw/usb.c
index 60027c6..966cb0f 100644
--- a/hw/usb.c
+++ b/hw/usb.c
@@ -297,9 +297,22 @@ int set_usb_string(uint8_t *buf, const char *str)
void usb_send_msg(USBDevice *dev, int msg)
{
USBPacket p;
+ int ret;
+
memset(&p, 0, sizeof(p));
p.pid = msg;
- dev->info->handle_packet(dev, &p);
-
+ ret = usb_handle_packet(dev, &p);
/* This _must_ be synchronous */
+ assert(ret != USB_RET_ASYNC);
+}
+
+/* Hand over a packet to a device for processing. Return value
+ USB_RET_ASYNC indicates the processing isn't finished yet, the
+ driver will call usb_packet_complete() when done processing it. */
+int usb_handle_packet(USBDevice *dev, USBPacket *p)
+{
+ int ret;
+
+ ret = dev->info->handle_packet(dev, p);
+ return ret;
}
diff --git a/hw/usb.h b/hw/usb.h
index c1d1014..6889467 100644
--- a/hw/usb.h
+++ b/hw/usb.h
@@ -266,6 +266,8 @@ struct USBPacket {
void *cancel_opaque;
};
+int usb_handle_packet(USBDevice *dev, USBPacket *p);
+
/* Defer completion of a USB packet. The hadle_packet routine should then
return USB_RET_ASYNC. Packets that complete immediately (before
handle_packet returns) should not call this method. */