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authorYi Liu <yi.l.liu@intel.com>2023-07-18 03:55:38 -0700
committerAlex Williamson <alex.williamson@redhat.com>2023-07-25 10:17:59 -0600
commitaf949759bad27934b6f242e8a3b1c394e09fb4a3 (patch)
tree75b460a001ece34fcaf8bfe57fa4cd5e69578842 /include/linux/vfio.h
parent78d3df457ae5eb53ef1f295a8a704691abea1b1d (diff)
vfio: Mark cdev usage in vfio_device
This can be used to differentiate whether to report group_id or devid in the revised VFIO_DEVICE_GET_PCI_HOT_RESET_INFO ioctl. At this moment, no cdev path yet, so the vfio_device_cdev_opened() helper always returns false. Reviewed-by: Kevin Tian <kevin.tian@intel.com> Reviewed-by: Jason Gunthorpe <jgg@nvidia.com> Tested-by: Yanting Jiang <yanting.jiang@intel.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/20230718105542.4138-7-yi.l.liu@intel.com Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Diffstat (limited to 'include/linux/vfio.h')
-rw-r--r--include/linux/vfio.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/vfio.h b/include/linux/vfio.h
index 2c137ea94a3e..2a45853773a6 100644
--- a/include/linux/vfio.h
+++ b/include/linux/vfio.h
@@ -139,6 +139,11 @@ int vfio_iommufd_emulated_attach_ioas(struct vfio_device *vdev, u32 *pt_id);
((int (*)(struct vfio_device *vdev, u32 *pt_id)) NULL)
#endif
+static inline bool vfio_device_cdev_opened(struct vfio_device *device)
+{
+ return false;
+}
+
/**
* struct vfio_migration_ops - VFIO bus device driver migration callbacks
*