diff options
| author | Yi Liu <yi.l.liu@intel.com> | 2023-07-18 06:55:45 -0700 |
|---|---|---|
| committer | Alex Williamson <alex.williamson@redhat.com> | 2023-07-25 10:19:53 -0600 |
| commit | 1c9dc07487cb0f246075b2d3b305bba91156d376 (patch) | |
| tree | d0c650d7449e67bb9b886d6dcb2350c6436bc28f /include/linux/iommufd.h | |
| parent | 5c6de3ea73768d1781024e4a41f77d6d71bc64cb (diff) | |
iommufd: Add iommufd_ctx_from_fd()
It's common to get a reference to the iommufd context from a given file
descriptor. So adds an API for it. Existing users of this API are compiled
only when IOMMUFD is enabled, so no need to have a stub for the IOMMUFD
disabled case.
Tested-by: Yanting Jiang <yanting.jiang@intel.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Yi Liu <yi.l.liu@intel.com>
Link: https://lore.kernel.org/r/20230718135551.6592-21-yi.l.liu@intel.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Diffstat (limited to 'include/linux/iommufd.h')
| -rw-r--r-- | include/linux/iommufd.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/iommufd.h b/include/linux/iommufd.h index 3a3216cb9482..9657c58813dc 100644 --- a/include/linux/iommufd.h +++ b/include/linux/iommufd.h @@ -54,6 +54,7 @@ void iommufd_ctx_get(struct iommufd_ctx *ictx); #if IS_ENABLED(CONFIG_IOMMUFD) struct iommufd_ctx *iommufd_ctx_from_file(struct file *file); +struct iommufd_ctx *iommufd_ctx_from_fd(int fd); void iommufd_ctx_put(struct iommufd_ctx *ictx); bool iommufd_ctx_has_group(struct iommufd_ctx *ictx, struct iommu_group *group); |