// SPDX-License-Identifier: MIT
/*
 * Copyright © 2022 Intel Corporation
 */

#include "xe_gt_sysfs.h"

#include <linux/kobject.h>
#include <linux/sysfs.h>

#include <drm/drm_managed.h>

#include "xe_gt_types.h"

static void xe_gt_sysfs_kobj_release(struct kobject *kobj)
{
        kfree(kobj);
}

static const struct kobj_type xe_gt_sysfs_kobj_type = {
        .release = xe_gt_sysfs_kobj_release,
        .sysfs_ops = &kobj_sysfs_ops,
};

static void gt_sysfs_fini(void *arg)
{
        struct xe_gt *gt = arg;

        kobject_put(gt->sysfs);
}

int xe_gt_sysfs_init(struct xe_gt *gt)
{
        struct xe_tile *tile = gt_to_tile(gt);
        struct xe_device *xe = gt_to_xe(gt);
        struct kobj_gt *kg;
        int err;

        kg = kzalloc_obj(*kg);
        if (!kg)
                return -ENOMEM;

        kobject_init(&kg->base, &xe_gt_sysfs_kobj_type);
        kg->gt = gt;

        err = kobject_add(&kg->base, tile->sysfs, "gt%d", gt->info.id);
        if (err) {
                kobject_put(&kg->base);
                return err;
        }

        gt->sysfs = &kg->base;

        return devm_add_action_or_reset(xe->drm.dev, gt_sysfs_fini, gt);
}