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| author | Xingang Wang <wangxingang5@huawei.com> | 2021-07-08 12:55:14 +0000 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2021-07-16 11:10:45 -0400 |
| commit | c9e96b04fc192fb38622694947dae091bbbdf28f (patch) | |
| tree | d5a34d4ab5a8df88b4eb9f2cfca6429721b395a7 /hw/pci-host | |
| parent | 6d7a85483a069b99ad4b018509643437b8f9a4f7 (diff) | |
| download | qemu-c9e96b04fc192fb38622694947dae091bbbdf28f.zip qemu-c9e96b04fc192fb38622694947dae091bbbdf28f.tar.gz qemu-c9e96b04fc192fb38622694947dae091bbbdf28f.tar.bz2 | |
hw/i386: Add a default_bus_bypass_iommu pc machine option
Add a default_bus_bypass_iommu pc machine option to enable/disable
bypass_iommu for default root bus. The option is disabled by default
and can be enabled with:
$QEMU -machine q35,default_bus_bypass_iommu=true
Signed-off-by: Xingang Wang <wangxingang5@huawei.com>
Message-Id: <1625748919-52456-5-git-send-email-wangxingang5@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw/pci-host')
| -rw-r--r-- | hw/pci-host/q35.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/hw/pci-host/q35.c b/hw/pci-host/q35.c index 0f37cf0..ab5a47a 100644 --- a/hw/pci-host/q35.c +++ b/hw/pci-host/q35.c @@ -65,6 +65,8 @@ static void q35_host_realize(DeviceState *dev, Error **errp) s->mch.address_space_io, 0, TYPE_PCIE_BUS); PC_MACHINE(qdev_get_machine())->bus = pci->bus; + pci->bypass_iommu = + PC_MACHINE(qdev_get_machine())->default_bus_bypass_iommu; qdev_realize(DEVICE(&s->mch), BUS(pci->bus), &error_fatal); } |