Fix libvirt + seccomp combo (bz #855162) Fix scsi hotplug crash (bz #879657) Fix QOM refcount crash (bz #881486)
328 lines
11 KiB
Diff
328 lines
11 KiB
Diff
From e9062966428416da41ec5f9ace3d2ef58b3265b1 Mon Sep 17 00:00:00 2001
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From: Alon Levy <alevy@redhat.com>
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Date: Wed, 22 Aug 2012 11:16:25 +0300
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Subject: [PATCH] qxl: add QXL_IO_MONITORS_CONFIG_ASYNC
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Revision bumped to 4 for new IO support, enabled for spice-server >=
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0.11.1. New io enabled if revision is 4. Revision can be set to 4.
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[ kraxel: 3 continues to be the default revision. Once we have a new
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stable spice-server release and the qemu patches to enable
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the new bits merged we'll go flip the switch and make rev4
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the default ]
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This io calls the corresponding new spice api
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spice_qxl_monitors_config_async to let spice-server read a new guest set
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monitors config and notify the client.
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On migration reissue spice_qxl_monitors_config_async.
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RHBZ: 770842
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Signed-off-by: Alon Levy <alevy@redhat.com>
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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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fixup
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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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(cherry picked from commit 020af1c45fec664d5d4cf3b8e5117f8bc1d691f2)
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Conflicts:
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hw/qxl.c
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Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
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---
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configure | 7 ++++
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hw/qxl.c | 98 ++++++++++++++++++++++++++++++++++++++++++++++++++++--
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hw/qxl.h | 7 ++++
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trace-events | 1 +
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ui/spice-display.h | 1 +
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5 files changed, 111 insertions(+), 3 deletions(-)
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diff --git a/configure b/configure
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index 8ffddf4..b5cea26 100755
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--- a/configure
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+++ b/configure
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@@ -2670,6 +2670,9 @@ EOF
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spice="yes"
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libs_softmmu="$libs_softmmu $spice_libs"
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QEMU_CFLAGS="$QEMU_CFLAGS $spice_cflags"
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+ if $pkg_config --atleast-version=0.12.0 spice-protocol >/dev/null 2>&1; then
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+ spice_qxl_io_monitors_config_async="yes"
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+ fi
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else
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if test "$spice" = "yes" ; then
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feature_not_found "spice"
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@@ -3407,6 +3410,10 @@ if test "$spice" = "yes" ; then
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echo "CONFIG_SPICE=y" >> $config_host_mak
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fi
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+if test "$spice_qxl_io_monitors_config_async" = "yes" ; then
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+ echo "CONFIG_QXL_IO_MONITORS_CONFIG_ASYNC=y" >> $config_host_mak
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+fi
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+
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if test "$smartcard" = "yes" ; then
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echo "CONFIG_SMARTCARD=y" >> $config_host_mak
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fi
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diff --git a/hw/qxl.c b/hw/qxl.c
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index baf9bb4..27f3779 100644
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--- a/hw/qxl.c
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+++ b/hw/qxl.c
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@@ -27,6 +27,11 @@
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#include "qxl.h"
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+#ifndef CONFIG_QXL_IO_MONITORS_CONFIG_ASYNC
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+/* spice-protocol is too old, add missing definitions */
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+#define QXL_IO_MONITORS_CONFIG_ASYNC (QXL_IO_FLUSH_RELEASE + 1)
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+#endif
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+
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/*
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* NOTE: SPICE_RING_PROD_ITEM accesses memory on the pci bar and as
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* such can be changed by the guest, so to avoid a guest trigerrable
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@@ -249,6 +254,39 @@ static void qxl_spice_destroy_surfaces(PCIQXLDevice *qxl, qxl_async_io async)
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}
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}
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+static void qxl_spice_monitors_config_async(PCIQXLDevice *qxl, int replay)
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+{
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+ trace_qxl_spice_monitors_config(qxl->id);
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+/* 0x000b01 == 0.11.1 */
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+#if SPICE_SERVER_VERSION >= 0x000b01 && \
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+ defined(CONFIG_QXL_IO_MONITORS_CONFIG_ASYNC)
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+ if (replay) {
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+ /*
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+ * don't use QXL_COOKIE_TYPE_IO:
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+ * - we are not running yet (post_load), we will assert
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+ * in send_events
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+ * - this is not a guest io, but a reply, so async_io isn't set.
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+ */
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+ spice_qxl_monitors_config_async(&qxl->ssd.qxl,
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+ qxl->guest_monitors_config,
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+ MEMSLOT_GROUP_GUEST,
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+ (uintptr_t)qxl_cookie_new(
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+ QXL_COOKIE_TYPE_POST_LOAD_MONITORS_CONFIG,
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+ 0));
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+ } else {
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+ qxl->guest_monitors_config = qxl->ram->monitors_config;
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+ spice_qxl_monitors_config_async(&qxl->ssd.qxl,
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+ qxl->ram->monitors_config,
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+ MEMSLOT_GROUP_GUEST,
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+ (uintptr_t)qxl_cookie_new(QXL_COOKIE_TYPE_IO,
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+ QXL_IO_MONITORS_CONFIG_ASYNC));
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+ }
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+#else
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+ fprintf(stderr, "qxl: too old spice-protocol/spice-server for "
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+ "QXL_IO_MONITORS_CONFIG_ASYNC\n");
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+#endif
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+}
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+
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void qxl_spice_reset_image_cache(PCIQXLDevice *qxl)
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{
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trace_qxl_spice_reset_image_cache(qxl->id);
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@@ -538,6 +576,7 @@ static const char *io_port_to_string(uint32_t io_port)
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= "QXL_IO_DESTROY_ALL_SURFACES_ASYNC",
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[QXL_IO_FLUSH_SURFACES_ASYNC] = "QXL_IO_FLUSH_SURFACES_ASYNC",
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[QXL_IO_FLUSH_RELEASE] = "QXL_IO_FLUSH_RELEASE",
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+ [QXL_IO_MONITORS_CONFIG_ASYNC] = "QXL_IO_MONITORS_CONFIG_ASYNC",
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};
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return io_port_to_string[io_port];
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}
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@@ -819,6 +858,7 @@ static void interface_async_complete_io(PCIQXLDevice *qxl, QXLCookie *cookie)
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case QXL_IO_DESTROY_PRIMARY_ASYNC:
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case QXL_IO_UPDATE_AREA_ASYNC:
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case QXL_IO_FLUSH_SURFACES_ASYNC:
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+ case QXL_IO_MONITORS_CONFIG_ASYNC:
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break;
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case QXL_IO_CREATE_PRIMARY_ASYNC:
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qxl_create_guest_primary_complete(qxl);
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@@ -894,6 +934,8 @@ static void interface_async_complete(QXLInstance *sin, uint64_t cookie_token)
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case QXL_COOKIE_TYPE_RENDER_UPDATE_AREA:
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qxl_render_update_area_done(qxl, cookie);
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break;
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+ case QXL_COOKIE_TYPE_POST_LOAD_MONITORS_CONFIG:
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+ break;
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default:
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fprintf(stderr, "qxl: %s: unexpected cookie type %d\n",
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__func__, cookie->type);
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@@ -1315,6 +1357,13 @@ static void ioport_write(void *opaque, target_phys_addr_t addr,
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return;
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}
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+ if (d->revision <= QXL_REVISION_STABLE_V10 &&
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+ io_port >= QXL_IO_FLUSH_SURFACES_ASYNC) {
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+ qxl_set_guest_bug(d, "unsupported io %d for revision %d\n",
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+ io_port, d->revision);
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+ return;
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+ }
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+
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switch (io_port) {
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case QXL_IO_RESET:
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case QXL_IO_SET_MODE:
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@@ -1334,7 +1383,7 @@ static void ioport_write(void *opaque, target_phys_addr_t addr,
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io_port, io_port_to_string(io_port));
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/* be nice to buggy guest drivers */
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if (io_port >= QXL_IO_UPDATE_AREA_ASYNC &&
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- io_port <= QXL_IO_DESTROY_ALL_SURFACES_ASYNC) {
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+ io_port < QXL_IO_RANGE_SIZE) {
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qxl_send_events(d, QXL_INTERRUPT_IO_CMD);
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}
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return;
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@@ -1362,6 +1411,7 @@ static void ioport_write(void *opaque, target_phys_addr_t addr,
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io_port = QXL_IO_DESTROY_ALL_SURFACES;
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goto async_common;
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case QXL_IO_FLUSH_SURFACES_ASYNC:
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+ case QXL_IO_MONITORS_CONFIG_ASYNC:
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async_common:
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async = QXL_ASYNC;
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qemu_mutex_lock(&d->async_lock);
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@@ -1503,6 +1553,9 @@ async_common:
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d->mode = QXL_MODE_UNDEFINED;
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qxl_spice_destroy_surfaces(d, async);
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break;
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+ case QXL_IO_MONITORS_CONFIG_ASYNC:
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+ qxl_spice_monitors_config_async(d, 0);
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+ break;
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default:
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qxl_set_guest_bug(d, "%s: unexpected ioport=0x%x\n", __func__, io_port);
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}
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@@ -1798,6 +1851,17 @@ static int qxl_init_common(PCIQXLDevice *qxl)
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io_size = 16;
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break;
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case 3: /* qxl-3 */
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+ pci_device_rev = QXL_REVISION_STABLE_V10;
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+ io_size = 32; /* PCI region size must be pow2 */
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+ break;
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+/* 0x000b01 == 0.11.1 */
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+#if SPICE_SERVER_VERSION >= 0x000b01 && \
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+ defined(CONFIG_QXL_IO_MONITORS_CONFIG_ASYNC)
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+ case 4: /* qxl-4 */
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+ pci_device_rev = QXL_REVISION_STABLE_V12;
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+ io_size = msb_mask(QXL_IO_RANGE_SIZE * 2 - 1);
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+ break;
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+#endif
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default:
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pci_device_rev = QXL_DEFAULT_REVISION;
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io_size = msb_mask(QXL_IO_RANGE_SIZE * 2 - 1);
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@@ -1996,7 +2060,9 @@ static int qxl_post_load(void *opaque, int version)
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}
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qxl_spice_loadvm_commands(d, cmds, out);
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g_free(cmds);
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-
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+ if (d->guest_monitors_config) {
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+ qxl_spice_monitors_config_async(d, 1);
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+ }
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break;
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case QXL_MODE_COMPAT:
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/* note: no need to call qxl_create_memslots, qxl_set_mode
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@@ -2009,6 +2075,14 @@ static int qxl_post_load(void *opaque, int version)
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#define QXL_SAVE_VERSION 21
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+static bool qxl_monitors_config_needed(void *opaque)
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+{
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+ PCIQXLDevice *qxl = opaque;
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+
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+ return qxl->guest_monitors_config != 0;
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+}
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+
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+
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static VMStateDescription qxl_memslot = {
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.name = "qxl-memslot",
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.version_id = QXL_SAVE_VERSION,
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@@ -2039,6 +2113,16 @@ static VMStateDescription qxl_surface = {
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}
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};
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+static VMStateDescription qxl_vmstate_monitors_config = {
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+ .name = "qxl/monitors-config",
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+ .version_id = 1,
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+ .minimum_version_id = 1,
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+ .fields = (VMStateField[]) {
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+ VMSTATE_UINT64(guest_monitors_config, PCIQXLDevice),
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+ VMSTATE_END_OF_LIST()
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+ },
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+};
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+
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static VMStateDescription qxl_vmstate = {
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.name = "qxl",
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.version_id = QXL_SAVE_VERSION,
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@@ -2046,7 +2130,7 @@ static VMStateDescription qxl_vmstate = {
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.pre_save = qxl_pre_save,
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.pre_load = qxl_pre_load,
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.post_load = qxl_post_load,
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- .fields = (VMStateField []) {
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+ .fields = (VMStateField[]) {
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VMSTATE_PCI_DEVICE(pci, PCIQXLDevice),
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VMSTATE_STRUCT(vga, PCIQXLDevice, 0, vmstate_vga_common, VGACommonState),
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VMSTATE_UINT32(shadow_rom.mode, PCIQXLDevice),
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@@ -2065,6 +2149,14 @@ static VMStateDescription qxl_vmstate = {
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VMSTATE_UINT64(guest_cursor, PCIQXLDevice),
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VMSTATE_END_OF_LIST()
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},
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+ .subsections = (VMStateSubsection[]) {
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+ {
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+ .vmsd = &qxl_vmstate_monitors_config,
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+ .needed = qxl_monitors_config_needed,
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+ }, {
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+ /* empty */
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+ }
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+ }
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};
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static Property qxl_properties[] = {
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diff --git a/hw/qxl.h b/hw/qxl.h
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index 172baf6..9cfedb7 100644
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--- a/hw/qxl.h
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+++ b/hw/qxl.h
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@@ -71,6 +71,8 @@ typedef struct PCIQXLDevice {
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} guest_surfaces;
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QXLPHYSICAL guest_cursor;
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+ QXLPHYSICAL guest_monitors_config;
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+
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QemuMutex track_lock;
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/* thread signaling */
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@@ -128,7 +130,12 @@ typedef struct PCIQXLDevice {
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} \
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} while (0)
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+#if 0
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+/* spice-server 0.12 is still in development */
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+#define QXL_DEFAULT_REVISION QXL_REVISION_STABLE_V12
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+#else
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#define QXL_DEFAULT_REVISION QXL_REVISION_STABLE_V10
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+#endif
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/* qxl.c */
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void *qxl_phys2virt(PCIQXLDevice *qxl, QXLPHYSICAL phys, int group_id);
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diff --git a/trace-events b/trace-events
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index 04b0723..8fcbc50 100644
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--- a/trace-events
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+++ b/trace-events
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@@ -956,6 +956,7 @@ qxl_spice_destroy_surfaces(int qid, int async) "%d async=%d"
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qxl_spice_destroy_surface_wait_complete(int qid, uint32_t id) "%d sid=%d"
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qxl_spice_destroy_surface_wait(int qid, uint32_t id, int async) "%d sid=%d async=%d"
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qxl_spice_flush_surfaces_async(int qid, uint32_t surface_count, uint32_t num_free_res) "%d s#=%d, res#=%d"
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+qxl_spice_monitors_config(int id) "%d"
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qxl_spice_loadvm_commands(int qid, void *ext, uint32_t count) "%d ext=%p count=%d"
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qxl_spice_oom(int qid) "%d"
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qxl_spice_reset_cursor(int qid) "%d"
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diff --git a/ui/spice-display.h b/ui/spice-display.h
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index 672d65e..bcff114 100644
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--- a/ui/spice-display.h
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+++ b/ui/spice-display.h
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@@ -51,6 +51,7 @@ typedef enum qxl_async_io {
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enum {
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QXL_COOKIE_TYPE_IO,
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QXL_COOKIE_TYPE_RENDER_UPDATE_AREA,
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+ QXL_COOKIE_TYPE_POST_LOAD_MONITORS_CONFIG,
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};
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typedef struct QXLCookie {
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--
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1.8.0.2
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