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

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
...@@ -1146,8 +1146,40 @@ static long intel_vgpu_ioctl(struct mdev_device *mdev, unsigned int cmd, ...@@ -1146,8 +1146,40 @@ static long intel_vgpu_ioctl(struct mdev_device *mdev, unsigned int cmd,
return 0; 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 = { static const struct mdev_parent_ops intel_vgpu_ops = {
.supported_type_groups = intel_vgpu_type_groups, .supported_type_groups = intel_vgpu_type_groups,
.mdev_attr_groups = intel_vgpu_groups,
.create = intel_vgpu_create, .create = intel_vgpu_create,
.remove = intel_vgpu_remove, .remove = intel_vgpu_remove,
......
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