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| author | Yi Liu <yi.l.liu@intel.com> | 2023-07-18 16:55:48 +0300 |
|---|---|---|
| committer | Alex Williamson <alex.williamson@redhat.com> | 2023-07-25 19:20:37 +0300 |
| commit | b290a05fd858281fcac6fe94ec76a46d5396b9e5 (patch) | |
| tree | c871953fc1920bb0ec9b2979d0a53541470fca5f /drivers/ras/cec.c | |
| parent | 5fcc26969a164e6a3154bb68badd6712716eb954 (diff) | |
| download | linux-b290a05fd858281fcac6fe94ec76a46d5396b9e5.tar.xz | |
vfio: Add VFIO_DEVICE_[AT|DE]TACH_IOMMUFD_PT
This adds ioctl for userspace to attach device cdev fd to and detach
from IOAS/hw_pagetable managed by iommufd.
VFIO_DEVICE_ATTACH_IOMMUFD_PT: attach vfio device to IOAS or hw_pagetable
managed by iommufd. Attach can be undo
by VFIO_DEVICE_DETACH_IOMMUFD_PT or device
fd close.
VFIO_DEVICE_DETACH_IOMMUFD_PT: detach vfio device from the current attached
IOAS or hw_pagetable managed by iommufd.
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Tested-by: Nicolin Chen <nicolinc@nvidia.com>
Tested-by: Matthew Rosato <mjrosato@linux.ibm.com>
Tested-by: Yanting Jiang <yanting.jiang@intel.com>
Tested-by: Shameer Kolothum <shameerali.kolothum.thodi@huawei.com>
Tested-by: Terrence Xu <terrence.xu@intel.com>
Tested-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Signed-off-by: Yi Liu <yi.l.liu@intel.com>
Link: https://lore.kernel.org/r/20230718135551.6592-24-yi.l.liu@intel.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Diffstat (limited to 'drivers/ras/cec.c')
0 files changed, 0 insertions, 0 deletions