diff options
| author | Christoph Hellwig <hch@lst.de> | 2022-09-23 12:26:51 +0300 |
|---|---|---|
| committer | Alex Williamson <alex.williamson@redhat.com> | 2022-10-04 21:06:58 +0300 |
| commit | 685a1537f4c603cfcaf4b9be56ff6a571f7ddd08 (patch) | |
| tree | 7319267ff8a1b392c167e693b34eed5f41ff5d94 /include/linux/mdev.h | |
| parent | f2fbc72e6da4f8e01fe5fe3d6871a791e76271c3 (diff) | |
| download | linux-685a1537f4c603cfcaf4b9be56ff6a571f7ddd08.tar.xz | |
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 'include/linux/mdev.h')
| -rw-r--r-- | include/linux/mdev.h | 19 |
1 files changed, 2 insertions, 17 deletions
diff --git a/include/linux/mdev.h b/include/linux/mdev.h index d39e08a1824c..33674cb5ed5d 100644 --- a/include/linux/mdev.h +++ b/include/linux/mdev.h @@ -52,28 +52,13 @@ static inline struct mdev_device *to_mdev_device(struct device *dev) return container_of(dev, struct mdev_device, dev); } -/* interface for exporting mdev supported type attributes */ -struct mdev_type_attribute { - struct attribute attr; - ssize_t (*show)(struct mdev_type *mtype, - struct mdev_type_attribute *attr, char *buf); - ssize_t (*store)(struct mdev_type *mtype, - struct mdev_type_attribute *attr, const char *buf, - size_t count); -}; - -#define MDEV_TYPE_ATTR_RO(_name) \ - struct mdev_type_attribute mdev_type_attr_##_name = __ATTR_RO(_name) -#define MDEV_TYPE_ATTR_WO(_name) \ - struct mdev_type_attribute mdev_type_attr_##_name = __ATTR_WO(_name) - /** * struct mdev_driver - Mediated device driver * @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. + * @show_description: Print a description of the mtype * @driver: device driver structure **/ struct mdev_driver { @@ -81,7 +66,7 @@ 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; + ssize_t (*show_description)(struct mdev_type *mtype, char *buf); struct device_driver driver; }; |