diff options
| author | Christoph Hellwig <hch@lst.de> | 2022-09-23 12:26:49 +0300 |
|---|---|---|
| committer | Alex Williamson <alex.williamson@redhat.com> | 2022-10-04 21:06:58 +0300 |
| commit | 0bc79069ccbdbe26492493dd0c4e38b7cadf8ad5 (patch) | |
| tree | 6ddc28c893018044035fd87dbd51c0d1d9c9c343 /drivers/vfio | |
| parent | 290aac5df88a83e264b3a73ec146e5e5b3c45793 (diff) | |
| download | linux-0bc79069ccbdbe26492493dd0c4e38b7cadf8ad5.tar.xz | |
vfio/mdev: consolidate all the name sysfs into the core code
Every driver just emits a static string, simply add a field to the
mdev_type for the driver to fill out or fall back to the sysfs name 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/20220923092652.100656-12-hch@lst.de
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Diffstat (limited to 'drivers/vfio')
| -rw-r--r-- | drivers/vfio/mdev/mdev_sysfs.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/vfio/mdev/mdev_sysfs.c b/drivers/vfio/mdev/mdev_sysfs.c index 60fc52ff9244..34583e6a97f2 100644 --- a/drivers/vfio/mdev/mdev_sysfs.c +++ b/drivers/vfio/mdev/mdev_sysfs.c @@ -81,9 +81,19 @@ static ssize_t device_api_show(struct mdev_type *mtype, } static MDEV_TYPE_ATTR_RO(device_api); +static ssize_t name_show(struct mdev_type *mtype, + struct mdev_type_attribute *attr, char *buf) +{ + return sprintf(buf, "%s\n", + mtype->pretty_name ? mtype->pretty_name : mtype->sysfs_name); +} + +static MDEV_TYPE_ATTR_RO(name); + static struct attribute *mdev_types_core_attrs[] = { &mdev_type_attr_create.attr, &mdev_type_attr_device_api.attr, + &mdev_type_attr_name.attr, NULL, }; |