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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 /include/linux/mdev.h | |
| parent | 0bc79069ccbdbe26492493dd0c4e38b7cadf8ad5 (diff) | |
| download | linux-f2fbc72e6da4f8e01fe5fe3d6871a791e76271c3.tar.bz2 | |
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 'include/linux/mdev.h')
| -rw-r--r-- | include/linux/mdev.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/mdev.h b/include/linux/mdev.h index 4bb8a58b577b..d39e08a1824c 100644 --- a/include/linux/mdev.h +++ b/include/linux/mdev.h @@ -72,6 +72,7 @@ struct mdev_type_attribute { * @device_api: string to return for the device_api sysfs * @probe: called when new device created * @remove: called when device removed + * @get_available: Return the max number of instances that can be created * @types_attrs: attributes to the type kobjects. * @driver: device driver structure **/ @@ -79,6 +80,7 @@ struct mdev_driver { const char *device_api; 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; }; |