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From e955b37a28ff1f10035dc9c96a083bf93e8ca895 Mon Sep 17 00:00:00 2001
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From: Gerd Hoffmann <kraxel@redhat.com>
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Date: Wed, 7 Aug 2013 09:22:46 +0200
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Subject: [PATCH 15/28] xhci: add xhci_alloc_epctx
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RH-Author: Gerd Hoffmann <kraxel@redhat.com>
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Message-id: <1375867368-18979-4-git-send-email-kraxel@redhat.com>
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Patchwork-id: 53036
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O-Subject: [RHEL-7 qemu-kvm PATCH 3/5] xhci: add xhci_alloc_epctx
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Bugzilla: 838170
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RH-Acked-by: Hans de Goede <hdegoede@redhat.com>
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RH-Acked-by: Laszlo Ersek <lersek@redhat.com>
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RH-Acked-by: Orit Wasserman <owasserm@redhat.com>
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Factor out endpoint context allocation to a separate function.
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xhci live migration will need that too, in post_load.
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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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(cherry picked from commit 492b21f63fa655e0271abef4784cc337dd1d3fe7)
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---
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hw/usb/hcd-xhci.c | 32 +++++++++++++++++++++-----------
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1 file changed, 21 insertions(+), 11 deletions(-)
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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---
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hw/usb/hcd-xhci.c | 32 +++++++++++++++++++++-----------
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1 files changed, 21 insertions(+), 11 deletions(-)
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diff --git a/hw/usb/hcd-xhci.c b/hw/usb/hcd-xhci.c
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index 4111e68..7f46ccc 100644
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--- a/hw/usb/hcd-xhci.c
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+++ b/hw/usb/hcd-xhci.c
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@@ -1198,6 +1198,26 @@ static void xhci_ep_kick_timer(void *opaque)
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xhci_kick_ep(epctx->xhci, epctx->slotid, epctx->epid, 0);
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}
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+static XHCIEPContext *xhci_alloc_epctx(XHCIState *xhci,
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+ unsigned int slotid,
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+ unsigned int epid)
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+{
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+ XHCIEPContext *epctx;
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+ int i;
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+
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+ epctx = g_new0(XHCIEPContext, 1);
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+ epctx->xhci = xhci;
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+ epctx->slotid = slotid;
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+ epctx->epid = epid;
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+
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+ for (i = 0; i < ARRAY_SIZE(epctx->transfers); i++) {
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+ usb_packet_init(&epctx->transfers[i].packet);
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+ }
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+ epctx->kick_timer = qemu_new_timer_ns(vm_clock, xhci_ep_kick_timer, epctx);
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+
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+ return epctx;
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+}
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+
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static TRBCCode xhci_enable_ep(XHCIState *xhci, unsigned int slotid,
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unsigned int epid, dma_addr_t pctx,
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uint32_t *ctx)
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@@ -1205,7 +1225,6 @@ static TRBCCode xhci_enable_ep(XHCIState *xhci, unsigned int slotid,
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XHCISlot *slot;
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XHCIEPContext *epctx;
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dma_addr_t dequeue;
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- int i;
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trace_usb_xhci_ep_enable(slotid, epid);
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assert(slotid >= 1 && slotid <= xhci->numslots);
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@@ -1216,12 +1235,7 @@ static TRBCCode xhci_enable_ep(XHCIState *xhci, unsigned int slotid,
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xhci_disable_ep(xhci, slotid, epid);
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}
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- epctx = g_malloc(sizeof(XHCIEPContext));
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- memset(epctx, 0, sizeof(XHCIEPContext));
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- epctx->xhci = xhci;
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- epctx->slotid = slotid;
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- epctx->epid = epid;
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-
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+ epctx = xhci_alloc_epctx(xhci, slotid, epid);
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slot->eps[epid-1] = epctx;
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dequeue = xhci_addr64(ctx[2] & ~0xf, ctx[3]);
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@@ -1241,13 +1255,9 @@ static TRBCCode xhci_enable_ep(XHCIState *xhci, unsigned int slotid,
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xhci_ring_init(xhci, &epctx->ring, dequeue);
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epctx->ring.ccs = ctx[2] & 1;
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}
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- for (i = 0; i < ARRAY_SIZE(epctx->transfers); i++) {
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- usb_packet_init(&epctx->transfers[i].packet);
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- }
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epctx->interval = 1 << (ctx[0] >> 16) & 0xff;
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epctx->mfindex_last = 0;
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- epctx->kick_timer = qemu_new_timer_ns(vm_clock, xhci_ep_kick_timer, epctx);
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epctx->state = EP_RUNNING;
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ctx[0] &= ~EP_STATE_MASK;
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--
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1.7.1
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