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authorJason Gunthorpe <jgg@nvidia.com>2021-03-30 09:53:07 -0600
committerAlex Williamson <alex.williamson@redhat.com>2021-04-06 11:55:10 -0600
commit6b018e203d5effc97961cd9477687fe09e2fe79f (patch)
tree69fd39253e4ece7cf6870b984a2d4318f53a1c7c /drivers/vfio
parent4aeec3984ddc853f7c65903bde472ffdef738bae (diff)
vfio/pci: Use vfio_init/register/unregister_group_dev
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>
Diffstat (limited to 'drivers/vfio')
-rw-r--r--drivers/vfio/pci/vfio_pci.c10
-rw-r--r--drivers/vfio/pci/vfio_pci_private.h1
2 files changed, 6 insertions, 5 deletions
diff --git a/drivers/vfio/pci/vfio_pci.c b/drivers/vfio/pci/vfio_pci.c
index 0e7682e7a0b4..a0ac20a499cf 100644
--- a/drivers/vfio/pci/vfio_pci.c
+++ b/drivers/vfio/pci/vfio_pci.c
@@ -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 @@ out_group_put:
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);
diff --git a/drivers/vfio/pci/vfio_pci_private.h b/drivers/vfio/pci/vfio_pci_private.h
index 9cd1882a05af..8755a0febd05 100644
--- a/drivers/vfio/pci/vfio_pci_private.h
+++ b/drivers/vfio/pci/vfio_pci_private.h
@@ -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];