amdxdna_sysfs.c

 1// SPDX-License-Identifier: GPL-2.0
 2/*
 3 * Copyright (C) 2023-2024, Advanced Micro Devices, Inc.
 4 */
 5
 6#include <drm/amdxdna_accel.h>
 7#include <drm/drm_device.h>
 8#include <drm/drm_gem_shmem_helper.h>
 9#include <drm/drm_print.h>
10#include <drm/gpu_scheduler.h>
11#include <linux/types.h>
12
13#include "amdxdna_gem.h"
14#include "amdxdna_pci_drv.h"
15
16static ssize_t vbnv_show(struct device *dev, struct device_attribute *attr, char *buf)
17{
18	struct amdxdna_dev *xdna = dev_get_drvdata(dev);
19
20	return sprintf(buf, "%s\n", xdna->dev_info->vbnv);
21}
22static DEVICE_ATTR_RO(vbnv);
23
24static ssize_t device_type_show(struct device *dev, struct device_attribute *attr, char *buf)
25{
26	struct amdxdna_dev *xdna = dev_get_drvdata(dev);
27
28	return sprintf(buf, "%d\n", xdna->dev_info->device_type);
29}
30static DEVICE_ATTR_RO(device_type);
31
32static ssize_t fw_version_show(struct device *dev, struct device_attribute *attr, char *buf)
33{
34	struct amdxdna_dev *xdna = dev_get_drvdata(dev);
35
36	return sprintf(buf, "%d.%d.%d.%d\n", xdna->fw_ver.major,
37		       xdna->fw_ver.minor, xdna->fw_ver.sub,
38		       xdna->fw_ver.build);
39}
40static DEVICE_ATTR_RO(fw_version);
41
42static struct attribute *amdxdna_attrs[] = {
43	&dev_attr_device_type.attr,
44	&dev_attr_vbnv.attr,
45	&dev_attr_fw_version.attr,
46	NULL,
47};
48
49static struct attribute_group amdxdna_attr_group = {
50	.attrs = amdxdna_attrs,
51};
52
53int amdxdna_sysfs_init(struct amdxdna_dev *xdna)
54{
55	int ret;
56
57	ret = sysfs_create_group(&xdna->ddev.dev->kobj, &amdxdna_attr_group);
58	if (ret)
59		XDNA_ERR(xdna, "Create attr group failed");
60
61	return ret;
62}
63
64void amdxdna_sysfs_fini(struct amdxdna_dev *xdna)
65{
66	sysfs_remove_group(&xdna->ddev.dev->kobj, &amdxdna_attr_group);
67}