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| author | Christoph Hellwig <hch@lst.de> | 2021-09-24 17:57:00 +0200 |
|---|---|---|
| committer | Alex Williamson <alex.williamson@redhat.com> | 2021-09-30 12:46:44 -0600 |
| commit | fda49d97f2c4faf0b42e8796d3e6c868d992f3af (patch) | |
| tree | dbc50478380f8f230ff3ccd15877cdf18218745a /include/linux/mdev.h | |
| parent | 8cc02d22d7e1596ed687c4ff967c32056c2bef3e (diff) | |
| download | lwn-fda49d97f2c4faf0b42e8796d3e6c868d992f3af.tar.gz lwn-fda49d97f2c4faf0b42e8796d3e6c868d992f3af.zip | |
vfio: remove the unused mdev iommu hook
The iommu_device field in struct mdev_device has never been used
since it was added more than 2 years ago.
This is a manual revert of commit 7bd50f0cd2
("vfio/type1: Add domain at(de)taching group helpers").
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Link: https://lore.kernel.org/r/20210924155705.4258-11-hch@lst.de
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Diffstat (limited to 'include/linux/mdev.h')
| -rw-r--r-- | include/linux/mdev.h | 20 |
1 files changed, 0 insertions, 20 deletions
diff --git a/include/linux/mdev.h b/include/linux/mdev.h index 68427e8fadeb..15d03f6532d0 100644 --- a/include/linux/mdev.h +++ b/include/linux/mdev.h @@ -18,7 +18,6 @@ struct mdev_device { void *driver_data; struct list_head next; struct mdev_type *type; - struct device *iommu_device; bool active; }; @@ -27,25 +26,6 @@ static inline struct mdev_device *to_mdev_device(struct device *dev) return container_of(dev, struct mdev_device, dev); } -/* - * Called by the parent device driver to set the device which represents - * this mdev in iommu protection scope. By default, the iommu device is - * NULL, that indicates using vendor defined isolation. - * - * @dev: the mediated device that iommu will isolate. - * @iommu_device: a pci device which represents the iommu for @dev. - */ -static inline void mdev_set_iommu_device(struct mdev_device *mdev, - struct device *iommu_device) -{ - mdev->iommu_device = iommu_device; -} - -static inline struct device *mdev_get_iommu_device(struct mdev_device *mdev) -{ - return mdev->iommu_device; -} - unsigned int mdev_get_type_group_id(struct mdev_device *mdev); unsigned int mtype_get_type_group_id(struct mdev_type *mtype); struct device *mtype_get_parent_dev(struct mdev_type *mtype); |