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| author |   Linus Torvalds <torvalds@linux-foundation.org> | 2013-07-10 14:50:08 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-07-10 14:50:08 -0700 |
| commit | 15a49b9a90c86c6cb7f270a699d2ae7468862c28 (patch) | |
| tree | 218fc6bf3ae5beb989cddaede2e4ee0c2e679845 /include/uapi | |
| parent | Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost (diff) | |
| parent | vfio/type1: Fix leak on error path (diff) | |
| download | linux-dev-15a49b9a90c86c6cb7f270a699d2ae7468862c28.tar.xz linux-dev-15a49b9a90c86c6cb7f270a699d2ae7468862c28.zip | |
Merge tag 'vfio-v3.11' of git://github.com/awilliam/linux-vfio
Pull vfio updates from Alex Williamson:
"Largely hugepage support for vfio/type1 iommu and surrounding cleanups
and fixes"
* tag 'vfio-v3.11' of git://github.com/awilliam/linux-vfio:
vfio/type1: Fix leak on error path
vfio: Limit group opens
vfio/type1: Fix missed frees and zero sized removes
vfio: fix documentation
vfio: Provide module option to disable vfio_iommu_type1 hugepage support
vfio: hugepage support for vfio_iommu_type1
vfio: Convert type1 iommu to use rbtree
Diffstat (limited to 'include/uapi')
| -rw-r--r-- | include/uapi/linux/vfio.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/include/uapi/linux/vfio.h b/include/uapi/linux/vfio.h index 87ee4f4cff25..916e444e6f74 100644 --- a/include/uapi/linux/vfio.h +++ b/include/uapi/linux/vfio.h @@ -362,10 +362,14 @@ struct vfio_iommu_type1_dma_map { #define VFIO_IOMMU_MAP_DMA _IO(VFIO_TYPE, VFIO_BASE + 13) /** - * VFIO_IOMMU_UNMAP_DMA - _IOW(VFIO_TYPE, VFIO_BASE + 14, struct vfio_dma_unmap) + * VFIO_IOMMU_UNMAP_DMA - _IOWR(VFIO_TYPE, VFIO_BASE + 14, + * struct vfio_dma_unmap) * * Unmap IO virtual addresses using the provided struct vfio_dma_unmap. - * Caller sets argsz. + * Caller sets argsz. The actual unmapped size is returned in the size + * field. No guarantee is made to the user that arbitrary unmaps of iova + * or size different from those used in the original mapping call will + * succeed. */ struct vfio_iommu_type1_dma_unmap { __u32 argsz; |