search for: d76be0f

Displaying 3 results from an estimated 3 matches for "d76be0f".

2016 Apr 18
0
[PATCH RFC 2/3] vfio: report group noiommu status
...ce to the vfio_group, which holds a reference to the @@ -798,7 +801,7 @@ int vfio_add_group_dev(struct device *dev, */ vfio_group_put(group); - return 0; + return noiommu; } EXPORT_SYMBOL_GPL(vfio_add_group_dev); diff --git a/Documentation/vfio.txt b/Documentation/vfio.txt index 1dd3fdd..d76be0f 100644 --- a/Documentation/vfio.txt +++ b/Documentation/vfio.txt @@ -259,7 +259,9 @@ extern void *vfio_del_group_dev(struct device *dev); vfio_add_group_dev() indicates to the core to begin tracking the specified iommu_group and register the specified dev as owned by -a VFIO bus driver. The dr...
2016 Apr 18
5
[PATCH RFC 0/3] virtio-pci: iommu support
This is an attempt to allow enabling IOMMU for DMA. Design: - new feature bit IOMMU_PLATFORM which means host won't bypass IOMMU - virtio core uses DMA API if it sees IOMMU_PLATFORM - add quirk for vfio to disable device unless IOMMU_PLATFORM is set or the no-iommu mode is enabled - while I'm not sure how it will be used, it seems like a good idea to also have
2016 Apr 18
5
[PATCH RFC 0/3] virtio-pci: iommu support
This is an attempt to allow enabling IOMMU for DMA. Design: - new feature bit IOMMU_PLATFORM which means host won't bypass IOMMU - virtio core uses DMA API if it sees IOMMU_PLATFORM - add quirk for vfio to disable device unless IOMMU_PLATFORM is set or the no-iommu mode is enabled - while I'm not sure how it will be used, it seems like a good idea to also have