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// 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.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(struct drm_device *drm, void *arg)
{
struct xe_gt *gt = arg;
kobject_put(gt->sysfs);
}
void 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(sizeof(*kg), GFP_KERNEL);
if (!kg)
return;
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) {
drm_warn(&xe->drm, "failed to add GT sysfs directory, err: %d\n", err);
kobject_put(&kg->base);
return;
}
gt->sysfs = &kg->base;
err = drmm_add_action_or_reset(&xe->drm, gt_sysfs_fini, gt);
if (err) {
drm_warn(&xe->drm, "%s: drmm_add_action_or_reset failed, err: %d\n",
__func__, err);
return;
}
}
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