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authorGerd Hoffmann <kraxel@redhat.com>2013-04-24 09:33:35 +0200
committerGerd Hoffmann <kraxel@redhat.com>2013-06-03 11:37:51 +0200
commit492b21f63fa655e0271abef4784cc337dd1d3fe7 (patch)
tree318d3ea3ddea08f9052e15cf1117087d11e6c1f0 /hw
parent4034e6938a4cba090a8fac02499c8a9567201665 (diff)
xhci: add xhci_alloc_epctx
Factor out endpoint context allocation to a separate function. xhci live migration will need that too, in post_load. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Diffstat (limited to 'hw')
-rw-r--r--hw/usb/hcd-xhci.c32
1 files changed, 21 insertions, 11 deletions
diff --git a/hw/usb/hcd-xhci.c b/hw/usb/hcd-xhci.c
index ac683cea44..5084e527ad 100644
--- a/hw/usb/hcd-xhci.c
+++ b/hw/usb/hcd-xhci.c
@@ -1198,6 +1198,26 @@ static void xhci_ep_kick_timer(void *opaque)
xhci_kick_ep(epctx->xhci, epctx->slotid, epctx->epid, 0);
}
+static XHCIEPContext *xhci_alloc_epctx(XHCIState *xhci,
+ unsigned int slotid,
+ unsigned int epid)
+{
+ XHCIEPContext *epctx;
+ int i;
+
+ epctx = g_new0(XHCIEPContext, 1);
+ epctx->xhci = xhci;
+ epctx->slotid = slotid;
+ epctx->epid = epid;
+
+ for (i = 0; i < ARRAY_SIZE(epctx->transfers); i++) {
+ usb_packet_init(&epctx->transfers[i].packet);
+ }
+ epctx->kick_timer = qemu_new_timer_ns(vm_clock, xhci_ep_kick_timer, epctx);
+
+ return epctx;
+}
+
static TRBCCode xhci_enable_ep(XHCIState *xhci, unsigned int slotid,
unsigned int epid, dma_addr_t pctx,
uint32_t *ctx)
@@ -1205,7 +1225,6 @@ static TRBCCode xhci_enable_ep(XHCIState *xhci, unsigned int slotid,
XHCISlot *slot;
XHCIEPContext *epctx;
dma_addr_t dequeue;
- int i;
trace_usb_xhci_ep_enable(slotid, epid);
assert(slotid >= 1 && slotid <= xhci->numslots);
@@ -1216,12 +1235,7 @@ static TRBCCode xhci_enable_ep(XHCIState *xhci, unsigned int slotid,
xhci_disable_ep(xhci, slotid, epid);
}
- epctx = g_malloc(sizeof(XHCIEPContext));
- memset(epctx, 0, sizeof(XHCIEPContext));
- epctx->xhci = xhci;
- epctx->slotid = slotid;
- epctx->epid = epid;
-
+ epctx = xhci_alloc_epctx(xhci, slotid, epid);
slot->eps[epid-1] = epctx;
dequeue = xhci_addr64(ctx[2] & ~0xf, ctx[3]);
@@ -1241,13 +1255,9 @@ static TRBCCode xhci_enable_ep(XHCIState *xhci, unsigned int slotid,
xhci_ring_init(xhci, &epctx->ring, dequeue);
epctx->ring.ccs = ctx[2] & 1;
}
- for (i = 0; i < ARRAY_SIZE(epctx->transfers); i++) {
- usb_packet_init(&epctx->transfers[i].packet);
- }
epctx->interval = 1 << (ctx[0] >> 16) & 0xff;
epctx->mfindex_last = 0;
- epctx->kick_timer = qemu_new_timer_ns(vm_clock, xhci_ep_kick_timer, epctx);
epctx->state = EP_RUNNING;
ctx[0] &= ~EP_STATE_MASK;