62 lines
1.2 KiB
C
62 lines
1.2 KiB
C
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// SPDX-License-Identifier: MIT
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/*
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* Copyright © 2022 Intel Corporation
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*/
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#include "xe_gt_sysfs.h"
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#include <linux/kobject.h>
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#include <linux/sysfs.h>
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#include <drm/drm_managed.h>
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#include "xe_gt.h"
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static void xe_gt_sysfs_kobj_release(struct kobject *kobj)
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{
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kfree(kobj);
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}
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static const struct kobj_type xe_gt_sysfs_kobj_type = {
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.release = xe_gt_sysfs_kobj_release,
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.sysfs_ops = &kobj_sysfs_ops,
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};
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static void gt_sysfs_fini(struct drm_device *drm, void *arg)
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{
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struct xe_gt *gt = arg;
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kobject_put(gt->sysfs);
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}
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void xe_gt_sysfs_init(struct xe_gt *gt)
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{
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struct xe_tile *tile = gt_to_tile(gt);
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struct xe_device *xe = gt_to_xe(gt);
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struct kobj_gt *kg;
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int err;
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kg = kzalloc(sizeof(*kg), GFP_KERNEL);
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if (!kg)
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return;
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kobject_init(&kg->base, &xe_gt_sysfs_kobj_type);
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kg->gt = gt;
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err = kobject_add(&kg->base, tile->sysfs, "gt%d", gt->info.id);
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if (err) {
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drm_warn(&xe->drm, "failed to add GT sysfs directory, err: %d\n", err);
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kobject_put(&kg->base);
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return;
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}
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gt->sysfs = &kg->base;
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err = drmm_add_action_or_reset(&xe->drm, gt_sysfs_fini, gt);
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if (err) {
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drm_warn(&xe->drm, "%s: drmm_add_action_or_reset failed, err: %d\n",
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__func__, err);
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return;
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}
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}
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