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Code Issues Releases Wiki Activity

vfio/pci: Use vfio_init/register/unregister_group_dev

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pci already allocates a struct vfio_pci_device with exactly the same
lifetime as vfio_device, switch to the new API and embed vfio_device in
vfio_pci_device.

Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Liu Yi L <yi.l.liu@intel.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Message-Id: <9-v3-225de1400dfc+4e074-vfio1_jgg@nvidia.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
This commit is contained in:
Jason Gunthorpe 2021-03-30 09:53:07 -06:00 committed by Alex Williamson
parent 4aeec3984d
commit 6b018e203d
2 changed files with 6 additions and 5 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

10
drivers/vfio/pci/vfio_pci.c
View file

@ -2019,6 +2019,7 @@ static int vfio_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
goto out_group_put;
}
vfio_init_group_dev(&vdev->vdev, &pdev->dev, &vfio_pci_ops, vdev);
vdev->pdev = pdev;
vdev->irq_type = VFIO_PCI_NUM_IRQS;
mutex_init(&vdev->igate);
@ -2056,9 +2057,10 @@ static int vfio_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
vfio_pci_set_power_state(vdev, PCI_D3hot);
}
ret = vfio_add_group_dev(&pdev->dev, &vfio_pci_ops, vdev);
ret = vfio_register_group_dev(&vdev->vdev);
if (ret)
goto out_power;
dev_set_drvdata(&pdev->dev, vdev);
return 0;
out_power:
@ -2078,13 +2080,11 @@ static int vfio_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
static void vfio_pci_remove(struct pci_dev *pdev)
{
struct vfio_pci_device *vdev;
struct vfio_pci_device *vdev = dev_get_drvdata(&pdev->dev);
pci_disable_sriov(pdev);
vdev = vfio_del_group_dev(&pdev->dev);
if (!vdev)
return;
vfio_unregister_group_dev(&vdev->vdev);
vfio_pci_vf_uninit(vdev);
vfio_pci_reflck_put(vdev->reflck);

1
drivers/vfio/pci/vfio_pci_private.h
View file

@ -100,6 +100,7 @@ struct vfio_pci_mmap_vma {
};
struct vfio_pci_device {
struct vfio_device vdev;
struct pci_dev *pdev;
void __iomem *barmap[PCI_STD_NUM_BARS];
bool bar_mmap_supported[PCI_STD_NUM_BARS];