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authorHans de Goede <hdegoede@redhat.com>2013-09-17 21:44:50 +0200
committerGerd Hoffmann <kraxel@redhat.com>2013-09-19 11:28:40 +0200
commit518ad5f2a0754f0a5ce4e478b79f4926ce46111b (patch)
tree00b66788cc0c8b2362edafcb3b97a6b67088d205 /hw/usb
parent4c5d82ecf1e8fd0720137f7d09fc77d65b51b4d0 (diff)
downloadhqemu-518ad5f2a0754f0a5ce4e478b79f4926ce46111b.zip
hqemu-518ad5f2a0754f0a5ce4e478b79f4926ce46111b.tar.gz
xhci: Add xhci_epid_to_usbep helper function
And use it instead of prying the USBEndpoint out of the packet struct in various places. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Diffstat (limited to 'hw/usb')
-rw-r--r--hw/usb/hcd-xhci.c32
1 files changed, 22 insertions, 10 deletions
diff --git a/hw/usb/hcd-xhci.c b/hw/usb/hcd-xhci.c
index 7c0c0c4..eddfd50 100644
--- a/hw/usb/hcd-xhci.c
+++ b/hw/usb/hcd-xhci.c
@@ -509,6 +509,8 @@ static TRBCCode xhci_disable_ep(XHCIState *xhci, unsigned int slotid,
unsigned int epid);
static void xhci_event(XHCIState *xhci, XHCIEvent *event, int v);
static void xhci_write_event(XHCIState *xhci, XHCIEvent *event, int v);
+static USBEndpoint *xhci_epid_to_usbep(XHCIState *xhci,
+ unsigned int slotid, unsigned int epid);
static const char *TRBType_names[] = {
[TRB_RESERVED] = "TRB_RESERVED",
@@ -1361,13 +1363,12 @@ static int xhci_ep_nuke_xfers(XHCIState *xhci, unsigned int slotid,
xferi = epctx->next_xfer;
for (i = 0; i < TD_QUEUE; i++) {
- if (epctx->transfers[xferi].packet.ep) {
- ep = epctx->transfers[xferi].packet.ep;
- }
killed += xhci_ep_nuke_one_xfer(&epctx->transfers[xferi]);
epctx->transfers[xferi].packet.ep = NULL;
xferi = (xferi + 1) % TD_QUEUE;
}
+
+ ep = xhci_epid_to_usbep(xhci, slotid, epid);
if (ep) {
usb_device_ep_stopped(ep->dev, ep);
}
@@ -1699,7 +1700,6 @@ static int xhci_submit(XHCIState *xhci, XHCITransfer *xfer,
static int xhci_setup_packet(XHCITransfer *xfer)
{
XHCIState *xhci = xfer->xhci;
- USBDevice *dev;
USBEndpoint *ep;
int dir;
@@ -1707,15 +1707,13 @@ static int xhci_setup_packet(XHCITransfer *xfer)
if (xfer->packet.ep) {
ep = xfer->packet.ep;
- dev = ep->dev;
} else {
- if (!xhci->slots[xfer->slotid-1].uport) {
+ ep = xhci_epid_to_usbep(xhci, xfer->slotid, xfer->epid);
+ if (!ep) {
fprintf(stderr, "xhci: slot %d has no device\n",
xfer->slotid);
return -1;
}
- dev = xhci->slots[xfer->slotid-1].uport->dev;
- ep = usb_ep_get(dev, dir, xfer->epid >> 1);
}
xhci_xfer_create_sgl(xfer, dir == USB_TOKEN_IN); /* Also sets int_req */
@@ -1723,7 +1721,7 @@ static int xhci_setup_packet(XHCITransfer *xfer)
xfer->trbs[0].addr, false, xfer->int_req);
usb_packet_map(&xfer->packet, &xfer->sgl);
DPRINTF("xhci: setup packet pid 0x%x addr %d ep %d\n",
- xfer->packet.pid, dev->addr, ep->nr);
+ xfer->packet.pid, ep->dev->addr, ep->nr);
return 0;
}
@@ -2075,7 +2073,6 @@ static void xhci_kick_ep(XHCIState *xhci, unsigned int slotid,
} else {
if (xhci_fire_transfer(xhci, xfer, epctx) >= 0) {
epctx->next_xfer = (epctx->next_xfer + 1) % TD_QUEUE;
- ep = xfer->packet.ep;
} else {
if (!xfer->timed_xfer) {
fprintf(stderr, "xhci: error firing data transfer\n");
@@ -2092,6 +2089,8 @@ static void xhci_kick_ep(XHCIState *xhci, unsigned int slotid,
break;
}
}
+
+ ep = xhci_epid_to_usbep(xhci, slotid, epid);
if (ep) {
usb_device_flush_ep_queue(ep->dev, ep);
}
@@ -3321,6 +3320,19 @@ static int xhci_find_epid(USBEndpoint *ep)
}
}
+static USBEndpoint *xhci_epid_to_usbep(XHCIState *xhci,
+ unsigned int slotid, unsigned int epid)
+{
+ assert(slotid >= 1 && slotid <= xhci->numslots);
+
+ if (!xhci->slots[slotid - 1].uport) {
+ return NULL;
+ }
+
+ return usb_ep_get(xhci->slots[slotid - 1].uport->dev,
+ (epid & 1) ? USB_TOKEN_IN : USB_TOKEN_OUT, epid >> 1);
+}
+
static void xhci_wakeup_endpoint(USBBus *bus, USBEndpoint *ep,
unsigned int stream)
{
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