[v1] Check and sync host IOMMU cap/ecap with vIOMMU

[PATCH rfcv2 08/18] vfio/iommufd: Implement host_iommu_device_init callback in iommufd mode

Zhenzhong Duan posted 18 patches 9 months, 4 weeks ago

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Maintainers: Yi Liu <yi.l.liu@intel.com>, Eric Auger <eric.auger@redhat.com>, Zhenzhong Duan <zhenzhong.duan@intel.com>, "Michael S. Tsirkin" <mst@redhat.com>, Igor Mammedov <imammedo@redhat.com>, Ani Sinha <anisinha@redhat.com>, Paolo Bonzini <pbonzini@redhat.com>, Richard Henderson <richard.henderson@linaro.org>, Eduardo Habkost <eduardo@habkost.net>, Marcel Apfelbaum <marcel.apfelbaum@gmail.com>, Peter Xu <peterx@redhat.com>, Jason Wang <jasowang@redhat.com>, Thomas Huth <thuth@redhat.com>, Alex Williamson <alex.williamson@redhat.com>, "Cédric Le Goater" <clg@redhat.com>, Tony Krowiak <akrowiak@linux.ibm.com>, Halil Pasic <pasic@linux.ibm.com>, Jason Herne <jjherne@linux.ibm.com>, Eric Farman <farman@linux.ibm.com>, Matthew Rosato <mjrosato@linux.ibm.com>

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[PATCH rfcv2 08/18] vfio/iommufd: Implement host_iommu_device_init callback in iommufd mode

Posted by Zhenzhong Duan 9 months, 4 weeks ago

This callback will be used to initialize base and public elements
in IOMMUFDDevice, with the exception of iommufd and devid which
are initialized early in attachment.

Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
---
 hw/vfio/iommufd.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/hw/vfio/iommufd.c b/hw/vfio/iommufd.c
index 5d50549713..7d39d7a5fa 100644
--- a/hw/vfio/iommufd.c
+++ b/hw/vfio/iommufd.c
@@ -621,6 +621,11 @@ out_single:
     return ret;
 }
 
+static void vfio_cdev_host_iommu_device_init(VFIODevice *vbasedev)
+{
+    iommufd_device_init(&vbasedev->iommufd_dev);
+}
+
 static void vfio_iommu_iommufd_class_init(ObjectClass *klass, void *data)
 {
     VFIOIOMMUClass *vioc = VFIO_IOMMU_CLASS(klass);
@@ -630,6 +635,7 @@ static void vfio_iommu_iommufd_class_init(ObjectClass *klass, void *data)
     vioc->attach_device = iommufd_cdev_attach;
     vioc->detach_device = iommufd_cdev_detach;
     vioc->pci_hot_reset = iommufd_cdev_pci_hot_reset;
+    vioc->host_iommu_device_init = vfio_cdev_host_iommu_device_init;
 };
 
 static const TypeInfo types[] = {
-- 
2.34.1