diff options
| 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/mbochs.c | |
| parent | vfio/mdev: consolidate all the available_instance sysfs into the core code (diff) | |
| download | linux-685a1537f4c603cfcaf4b9be56ff6a571f7ddd08.tar.gz linux-685a1537f4c603cfcaf4b9be56ff6a571f7ddd08.tar.bz2 linux-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 'samples/vfio-mdev/mbochs.c')
| -rw-r--r-- | samples/vfio-mdev/mbochs.c | 11 |
1 files changed, 2 insertions, 9 deletions
diff --git a/samples/vfio-mdev/mbochs.c b/samples/vfio-mdev/mbochs.c index 6c2cbc4e25ca..117a8d799f71 100644 --- a/samples/vfio-mdev/mbochs.c +++ b/samples/vfio-mdev/mbochs.c @@ -1350,8 +1350,7 @@ 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 mbochs_show_description(struct mdev_type *mtype, char *buf) { struct mbochs_type *type = container_of(mtype, struct mbochs_type, type); @@ -1359,7 +1358,6 @@ static ssize_t description_show(struct mdev_type *mtype, return sprintf(buf, "virtual display, %d MB video memory\n", type ? type->mbytes : 0); } -static MDEV_TYPE_ATTR_RO(description); static unsigned int mbochs_get_available(struct mdev_type *mtype) { @@ -1369,11 +1367,6 @@ static unsigned int mbochs_get_available(struct mdev_type *mtype) return atomic_read(&mbochs_avail_mbytes) / type->mbytes; } -static const struct attribute *mdev_types_attrs[] = { - &mdev_type_attr_description.attr, - NULL, -}; - static const struct vfio_device_ops mbochs_dev_ops = { .close_device = mbochs_close_device, .init = mbochs_init_dev, @@ -1395,7 +1388,7 @@ static struct mdev_driver mbochs_driver = { .probe = mbochs_probe, .remove = mbochs_remove, .get_available = mbochs_get_available, - .types_attrs = mdev_types_attrs, + .show_description = mbochs_show_description, }; static const struct file_operations vd_fops = { |