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| author |   Christoph Hellwig <hch@lst.de> | 2022-09-23 11:26:51 +0200 |
|---|---|---|
| committer |   Alex Williamson <alex.williamson@redhat.com> | 2022-10-04 12:06:58 -0600 |
| commit | 685a1537f4c603cfcaf4b9be56ff6a571f7ddd08 (patch) | |
| tree | 7319267ff8a1b392c167e693b34eed5f41ff5d94 /samples/vfio-mdev/mdpy.c | |
| parent | vfio/mdev: consolidate all the available_instance sysfs into the core code (diff) | |
| download | linux-dev-685a1537f4c603cfcaf4b9be56ff6a571f7ddd08.tar.xz linux-dev-685a1537f4c603cfcaf4b9be56ff6a571f7ddd08.zip | |
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 '')
| -rw-r--r-- | samples/vfio-mdev/mdpy.c | 11 |
1 files changed, 2 insertions, 9 deletions
diff --git a/samples/vfio-mdev/mdpy.c b/samples/vfio-mdev/mdpy.c index d1c835c9cabf..a7cf59246ddd 100644 --- a/samples/vfio-mdev/mdpy.c +++ b/samples/vfio-mdev/mdpy.c @@ -661,26 +661,19 @@ static const struct attribute_group *mdev_dev_groups[] = { NULL, }; -static ssize_t description_show(struct mdev_type *mtype, - struct mdev_type_attribute *attr, char *buf) +static ssize_t mdpy_show_description(struct mdev_type *mtype, char *buf) { struct mdpy_type *type = container_of(mtype, struct mdpy_type, type); return sprintf(buf, "virtual display, %dx%d framebuffer\n", type->width, type->height); } -static MDEV_TYPE_ATTR_RO(description); static unsigned int mdpy_get_available(struct mdev_type *mtype) { return max_devices - mdpy_count; } -static const struct attribute *mdev_types_attrs[] = { - &mdev_type_attr_description.attr, - NULL, -}; - static const struct vfio_device_ops mdpy_dev_ops = { .init = mdpy_init_dev, .release = mdpy_release_dev, @@ -701,7 +694,7 @@ static struct mdev_driver mdpy_driver = { .probe = mdpy_probe, .remove = mdpy_remove, .get_available = mdpy_get_available, - .types_attrs = mdev_types_attrs, + .show_description = mdpy_show_description, }; static const struct file_operations vd_fops = { |