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authorChristoph Hellwig <hch@lst.de>2022-09-23 11:26:51 +0200
committerAlex Williamson <alex.williamson@redhat.com>2022-10-04 12:06:58 -0600
commit685a1537f4c603cfcaf4b9be56ff6a571f7ddd08 (patch)
tree7319267ff8a1b392c167e693b34eed5f41ff5d94 /Documentation/driver-api
parentf2fbc72e6da4f8e01fe5fe3d6871a791e76271c3 (diff)
downloadlinux-685a1537f4c603cfcaf4b9be56ff6a571f7ddd08.tar.gz
vfio/mdev: consolidate all the description sysfs into the core code
Every driver just emits a string, simply add a method to the mdev_driver
to return it and provide a standard sysfs show function.

Remove the now unused types_attrs field in struct mdev_driver and the
support code for it.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Reviewed-by: Kirti Wankhede <kwankhede@nvidia.com>
Link: https://lore.kernel.org/r/20220923092652.100656-14-hch@lst.de
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Diffstat (limited to 'Documentation/driver-api')
-rw-r--r--Documentation/driver-api/vfio-mediated-device.rst4
1 files changed, 2 insertions, 2 deletions
diff --git a/Documentation/driver-api/vfio-mediated-device.rst b/Documentation/driver-api/vfio-mediated-device.rst
index 558bd7ebced8..fdf7d69378ec 100644
--- a/Documentation/driver-api/vfio-mediated-device.rst
+++ b/Documentation/driver-api/vfio-mediated-device.rst
@@ -104,7 +104,7 @@ structure to represent a mediated device's driver::
 	     int  (*probe)  (struct mdev_device *dev);
 	     void (*remove) (struct mdev_device *dev);
 	     unsigned int (*get_available)(struct mdev_type *mtype);
-	     const struct attribute * const *types_attrs;
+	     ssize_t (*show_description)(struct mdev_type *mtype, char *buf);
 	     struct device_driver    driver;
      };
 
@@ -222,7 +222,7 @@ Directories and files under the sysfs for Each Physical Device
 
 * description
 
-  This attribute should show brief features/description of the type. This is
+  This attribute can show brief features/description of the type. This is an
   optional attribute.
 
 Directories and Files Under the sysfs for Each mdev Device