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From 6b9188baee63673ee4816b7bb994a7be3e164fce 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 09:22:47 +0200
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Subject: [PATCH 16/28] xhci: add xhci_init_epctx
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RH-Author: Gerd Hoffmann <kraxel@redhat.com>
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Message-id: <1375867368-18979-5-git-send-email-kraxel@redhat.com>
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Patchwork-id: 53037
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O-Subject: [RHEL-7 qemu-kvm PATCH 4/5] xhci: add xhci_init_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 initialization 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 003e15a180373048f0c1f4df0bfe303746eb2676)
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---
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hw/usb/hcd-xhci.c | 43 +++++++++++++++++++++++++------------------
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1 file changed, 25 insertions(+), 18 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 | 43 +++++++++++++++++++++++++------------------
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1 files changed, 25 insertions(+), 18 deletions(-)
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diff --git a/hw/usb/hcd-xhci.c b/hw/usb/hcd-xhci.c
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index 7f46ccc..8224465 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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@@ -1218,26 +1218,11 @@ static XHCIEPContext *xhci_alloc_epctx(XHCIState *xhci,
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return epctx;
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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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+static void xhci_init_epctx(XHCIEPContext *epctx,
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+ dma_addr_t pctx, uint32_t *ctx)
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{
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- XHCISlot *slot;
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- XHCIEPContext *epctx;
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dma_addr_t dequeue;
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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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- assert(epid >= 1 && epid <= 31);
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-
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- slot = &xhci->slots[slotid-1];
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- if (slot->eps[epid-1]) {
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- xhci_disable_ep(xhci, slotid, epid);
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- }
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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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-
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dequeue = xhci_addr64(ctx[2] & ~0xf, ctx[3]);
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epctx->type = (ctx[1] >> EP_TYPE_SHIFT) & EP_TYPE_MASK;
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@@ -1252,11 +1237,33 @@ static TRBCCode xhci_enable_ep(XHCIState *xhci, unsigned int slotid,
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if (epctx->max_pstreams) {
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xhci_alloc_streams(epctx, dequeue);
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} else {
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- xhci_ring_init(xhci, &epctx->ring, dequeue);
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+ xhci_ring_init(epctx->xhci, &epctx->ring, dequeue);
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epctx->ring.ccs = ctx[2] & 1;
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}
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epctx->interval = 1 << (ctx[0] >> 16) & 0xff;
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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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+{
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+ XHCISlot *slot;
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+ XHCIEPContext *epctx;
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+
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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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+ assert(epid >= 1 && epid <= 31);
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+
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+ slot = &xhci->slots[slotid-1];
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+ if (slot->eps[epid-1]) {
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+ xhci_disable_ep(xhci, slotid, epid);
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+ }
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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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+ xhci_init_epctx(epctx, pctx, ctx);
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+
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epctx->mfindex_last = 0;
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epctx->state = EP_RUNNING;
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--
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1.7.1
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