From c01c9f2b938814ea7fef3d4e5bd56567a4a26924 Mon Sep 17 00:00:00 2001 From: Xiao Wang Date: Tue, 7 Jul 2015 09:18:45 +0200 Subject: [PATCH 071/100] virtio-pci: make modern bar 64bit + prefetchable Message-id: <1436260751-25015-43-git-send-email-jasowang@redhat.com> Patchwork-id: 66817 O-Subject: [RHEL7.2 qemu-kvm-rhev PATCH V2 42/68] virtio-pci: make modern bar 64bit + prefetchable Bugzilla: 1227343 RH-Acked-by: Michael S. Tsirkin RH-Acked-by: David Gibson RH-Acked-by: Laurent Vivier RH-Acked-by: Thomas Huth From: Gerd Hoffmann Signed-off-by: Gerd Hoffmann Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin Reviewed-by: Michael S. Tsirkin (cherry picked from commit 4e93a68eb369b2f7adbef7a4f6afd7a30a0ed927) Signed-off-by: Miroslav Rezanina --- hw/virtio/virtio-pci.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c index 1d6c10b..4d80716 100644 --- a/hw/virtio/virtio-pci.c +++ b/hw/virtio/virtio-pci.c @@ -1344,7 +1344,9 @@ static void virtio_pci_device_plugged(DeviceState *d, Error **errp) VIRTIO_QUEUE_MAX); memory_region_add_subregion(&proxy->modern_bar, 0x3000, &proxy->notify); pci_register_bar(&proxy->pci_dev, modern_mem_bar, - PCI_BASE_ADDRESS_SPACE_MEMORY, + PCI_BASE_ADDRESS_SPACE_MEMORY | + PCI_BASE_ADDRESS_MEM_PREFETCH | + PCI_BASE_ADDRESS_MEM_TYPE_64, &proxy->modern_bar); } -- 1.8.3.1