Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 7a7a6561 authored by Zhenyu Wang's avatar Zhenyu Wang
Browse files

drm/i915/gvt: Add mdev device attribute group 



This adds initial attribute group for mdev to hold vGPU related
for each mdev device, currently just vGPU id is shown.

v2: rename group name as "intel_vgpu"

Signed-off-by: default avatarZhenyu Wang <zhenyuw@linux.intel.com>
Reviewed-by: default avatarKevin Tian <kevin.tian@intel.com>
parent e2e02cbb

drivers/gpu/drm/i915/gvt/kvmgt.c

+32 −0
Original line number Diff line number Diff line
@@ -1146,8 +1146,40 @@ static long intel_vgpu_ioctl(struct mdev_device *mdev, unsigned int cmd, 
	return 0;

}



static ssize_t

vgpu_id_show(struct device *dev, struct device_attribute *attr,

	     char *buf)

{

	struct mdev_device *mdev = mdev_from_dev(dev);



	if (mdev) {

		struct intel_vgpu *vgpu = (struct intel_vgpu *)

			mdev_get_drvdata(mdev);

		return sprintf(buf, "%d\n", vgpu->id);

	}

	return sprintf(buf, "\n");

}



static DEVICE_ATTR_RO(vgpu_id);



static struct attribute *intel_vgpu_attrs[] = {

	&dev_attr_vgpu_id.attr,

	NULL

};



static const struct attribute_group intel_vgpu_group = {

	.name = "intel_vgpu",

	.attrs = intel_vgpu_attrs,

};



static const struct attribute_group *intel_vgpu_groups[] = {

	&intel_vgpu_group,

	NULL,

};



static const struct mdev_parent_ops intel_vgpu_ops = {

	.supported_type_groups	= intel_vgpu_type_groups,

	.mdev_attr_groups       = intel_vgpu_groups,

	.create			= intel_vgpu_create,

	.remove			= intel_vgpu_remove,