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authorChristoph Hellwig <hch@lst.de>2022-09-23 11:26:49 +0200
committerAlex Williamson <alex.williamson@redhat.com>2022-10-04 20:06:58 +0200
commit0bc79069ccbdbe26492493dd0c4e38b7cadf8ad5 (patch)
tree6ddc28c893018044035fd87dbd51c0d1d9c9c343 /drivers/s390/crypto
parentvfio/mdev: consolidate all the device_api sysfs into the core code (diff)
downloadlinux-0bc79069ccbdbe26492493dd0c4e38b7cadf8ad5.tar.xz
linux-0bc79069ccbdbe26492493dd0c4e38b7cadf8ad5.zip
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/s390/crypto')
-rw-r--r--drivers/s390/crypto/vfio_ap_ops.c10
1 files changed, 1 insertions, 9 deletions
diff --git a/drivers/s390/crypto/vfio_ap_ops.c b/drivers/s390/crypto/vfio_ap_ops.c
index d440acfbb261..5d8dd7e837f3 100644
--- a/drivers/s390/crypto/vfio_ap_ops.c
+++ b/drivers/s390/crypto/vfio_ap_ops.c
@@ -790,14 +790,6 @@ static void vfio_ap_mdev_remove(struct mdev_device *mdev)
vfio_put_device(&matrix_mdev->vdev);
}
-static ssize_t name_show(struct mdev_type *mtype,
- struct mdev_type_attribute *attr, char *buf)
-{
- return sprintf(buf, "%s\n", VFIO_AP_MDEV_NAME_HWVIRT);
-}
-
-static MDEV_TYPE_ATTR_RO(name);
-
static ssize_t available_instances_show(struct mdev_type *mtype,
struct mdev_type_attribute *attr,
char *buf)
@@ -809,7 +801,6 @@ static ssize_t available_instances_show(struct mdev_type *mtype,
static MDEV_TYPE_ATTR_RO(available_instances);
static const struct attribute *vfio_ap_mdev_type_attrs[] = {
- &mdev_type_attr_name.attr,
&mdev_type_attr_available_instances.attr,
NULL,
};
@@ -1813,6 +1804,7 @@ int vfio_ap_mdev_register(void)
return ret;
matrix_dev->mdev_type.sysfs_name = VFIO_AP_MDEV_TYPE_HWVIRT;
+ matrix_dev->mdev_type.pretty_name = VFIO_AP_MDEV_NAME_HWVIRT;
matrix_dev->mdev_types[0] = &matrix_dev->mdev_type;
ret = mdev_register_parent(&matrix_dev->parent, &matrix_dev->device,
&vfio_ap_matrix_driver,