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| author |   Christoph Hellwig <hch@lst.de> | 2022-09-23 11:26:50 +0200 |
|---|---|---|
| committer |   Alex Williamson <alex.williamson@redhat.com> | 2022-10-04 12:06:58 -0600 |
| commit | f2fbc72e6da4f8e01fe5fe3d6871a791e76271c3 (patch) | |
| tree | ee1b8729387da228a9f23f5a2d7be303cad86155 /Documentation/driver-api | |
| parent | vfio/mdev: consolidate all the name sysfs into the core code (diff) | |
| download | wireguard-linux-f2fbc72e6da4f8e01fe5fe3d6871a791e76271c3.tar.xz wireguard-linux-f2fbc72e6da4f8e01fe5fe3d6871a791e76271c3.zip | |
vfio/mdev: consolidate all the available_instance sysfs into the core code
Every driver just print a number, simply add a method to the mdev_driver
to return it and provide a standard sysfs show function.
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>
Reviewed-by: Eric Farman <farman@linux.ibm.com>
Link: https://lore.kernel.org/r/20220923092652.100656-13-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.rst | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/Documentation/driver-api/vfio-mediated-device.rst b/Documentation/driver-api/vfio-mediated-device.rst index dcd1231a6fa8..558bd7ebced8 100644 --- a/Documentation/driver-api/vfio-mediated-device.rst +++ b/Documentation/driver-api/vfio-mediated-device.rst @@ -103,6 +103,7 @@ structure to represent a mediated device's driver:: struct mdev_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; struct device_driver driver; }; @@ -207,7 +208,7 @@ Directories and files under the sysfs for Each Physical Device * available_instances - This attribute should show the number of devices of type <type-id> that can be + This attribute shows the number of devices of type <type-id> that can be created. * [device] |