88 lines
3.1 KiB
Diff
88 lines
3.1 KiB
Diff
From 5db0b4131c56d96760b3300298f4bedab99d35cb Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= <marcandre.lureau@redhat.com>
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Date: Wed, 6 Sep 2023 17:00:22 +0400
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Subject: [PATCH 100/101] virtio-gpu: block migration of VMs with blob=true
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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RH-Author: Marc-André Lureau <marcandre.lureau@redhat.com>
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RH-MergeRequest: 217: virtio-gpu: block migration of VMs with blob=true
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RH-Jira: RHEL-7565
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RH-Commit: [1/1] f978ca697d574b1419eb027a1007c060dfb83298
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JIRA: https://issues.redhat.com/browse/RHEL-7565
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commit 9c549ab6895a43ad0cb33e684e11cdb0b5400897
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Author: Marc-André Lureau <marcandre.lureau@redhat.com>
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Date: Wed Sep 6 17:00:22 2023 +0400
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virtio-gpu: block migration of VMs with blob=true
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"blob" resources don't have an associated pixman image:
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#0 pixman_image_get_stride (image=0x0) at ../pixman/pixman-image.c:921
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#1 0x0000562327c25236 in virtio_gpu_save (f=0x56232bb13b00, opaque=0x56232b555a60, size=0, field=0x5623289ab6c8 <__compound_literal.3+104>, vmdesc=0x56232ab59fe0) at ../hw/display/virtio-gpu.c:1225
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Related to:
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https://bugzilla.redhat.com/show_bug.cgi?id=2236353
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Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
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Acked-by: Peter Xu <peterx@redhat.com>
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[ rhel backport - fix Error* vs Error** argument ]
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Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
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---
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hw/display/virtio-gpu.c | 14 ++++++++++++++
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1 file changed, 14 insertions(+)
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diff --git a/hw/display/virtio-gpu.c b/hw/display/virtio-gpu.c
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index b016d3bac8..1702190ead 100644
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--- a/hw/display/virtio-gpu.c
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+++ b/hw/display/virtio-gpu.c
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@@ -27,6 +27,7 @@
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#include "hw/virtio/virtio-gpu-pixman.h"
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#include "hw/virtio/virtio-bus.h"
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#include "hw/qdev-properties.h"
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+#include "migration/blocker.h"
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#include "qemu/log.h"
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#include "qemu/module.h"
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#include "qapi/error.h"
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@@ -41,6 +42,8 @@ virtio_gpu_find_check_resource(VirtIOGPU *g, uint32_t resource_id,
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static void virtio_gpu_reset_bh(void *opaque);
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+static Error *blob_mig_blocker;
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+
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void virtio_gpu_update_cursor_data(VirtIOGPU *g,
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struct virtio_gpu_scanout *s,
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uint32_t resource_id)
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@@ -1452,6 +1455,14 @@ void virtio_gpu_device_realize(DeviceState *qdev, Error **errp)
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error_setg(errp, "blobs and virgl are not compatible (yet)");
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return;
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}
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+
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+ if (!blob_mig_blocker) {
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+ error_setg(&blob_mig_blocker,
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+ "virtio-gpu blob VMs are currently not migratable.");
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+ }
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+ if (migrate_add_blocker(&blob_mig_blocker, errp)) {
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+ return;
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+ }
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}
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if (!virtio_gpu_base_device_realize(qdev,
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@@ -1478,6 +1489,9 @@ static void virtio_gpu_device_unrealize(DeviceState *qdev)
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{
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VirtIOGPU *g = VIRTIO_GPU(qdev);
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+ if (virtio_gpu_blob_enabled(g->parent_obj.conf)) {
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+ migrate_del_blocker(&blob_mig_blocker);
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+ }
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g_clear_pointer(&g->ctrl_bh, qemu_bh_delete);
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g_clear_pointer(&g->cursor_bh, qemu_bh_delete);
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g_clear_pointer(&g->reset_bh, qemu_bh_delete);
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--
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2.39.3
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