37 lines
1.3 KiB
Diff
37 lines
1.3 KiB
Diff
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From ffcda8cc141e14528fd73aea750be822575eedcc Mon Sep 17 00:00:00 2001
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From: Zhenzhong Duan <zhenzhong.duan@intel.com>
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Date: Mon, 22 Jul 2024 15:07:13 +0800
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Subject: [PATCH] vfio/ccw: Don't initialize HOST_IOMMU_DEVICE with mdev
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mdevs aren't "physical" devices and when asking for backing IOMMU info,
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it fails the entire provisioning of the guest. Fix that by setting
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vbasedev->mdev true so skipping HostIOMMUDevice initialization in the
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presence of mdevs.
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Fixes: 930589520128 ("vfio/iommufd: Implement HostIOMMUDeviceClass::realize() handler")
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Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
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Reviewed-by: Joao Martins <joao.m.martins@oracle.com>
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Acked-by: Eric Farman <farman@linux.ibm.com>
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Reviewed-by: Eric Auger <eric.auger@redhat.com>
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---
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hw/vfio/ccw.c | 3 +++
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1 file changed, 3 insertions(+)
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diff --git a/hw/vfio/ccw.c b/hw/vfio/ccw.c
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index 90e4a53437..257e9723cf 100644
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--- a/hw/vfio/ccw.c
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+++ b/hw/vfio/ccw.c
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@@ -683,6 +683,9 @@ static void vfio_ccw_instance_init(Object *obj)
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VFIOCCWDevice *vcdev = VFIO_CCW(obj);
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VFIODevice *vbasedev = &vcdev->vdev;
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+ /* CCW device is mdev type device */
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+ vbasedev->mdev = true;
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+
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/*
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* All vfio-ccw devices are believed to operate in a way compatible with
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* discarding of memory in RAM blocks, ie. pages pinned in the host are
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--
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2.41.0.windows.1
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