adf_dbgfs.c

 1// SPDX-License-Identifier: GPL-2.0-only
 2/* Copyright(c) 2023 Intel Corporation */
 3
 4#include <linux/debugfs.h>
 5#include "adf_accel_devices.h"
 6#include "adf_cfg.h"
 7#include "adf_common_drv.h"
 8#include "adf_cnv_dbgfs.h"
 9#include "adf_dbgfs.h"
10#include "adf_fw_counters.h"
11#include "adf_heartbeat_dbgfs.h"
12#include "adf_pm_dbgfs.h"
13#include "adf_tl_debugfs.h"
14
15/**
16 * adf_dbgfs_init() - add persistent debugfs entries
17 * @accel_dev:  Pointer to acceleration device.
18 *
19 * This function creates debugfs entries that are persistent through a device
20 * state change (from up to down or vice versa).
21 */
22void adf_dbgfs_init(struct adf_accel_dev *accel_dev)
23{
24	char name[ADF_DEVICE_NAME_LENGTH];
25
26	/* Create dev top level debugfs entry */
27	snprintf(name, sizeof(name), "%s%s_%s", ADF_DEVICE_NAME_PREFIX,
28		 accel_dev->hw_device->dev_class->name,
29		 pci_name(accel_dev->accel_pci_dev.pci_dev));
30
31	accel_dev->debugfs_dir = debugfs_create_dir(name, NULL);
32
33	adf_cfg_dev_dbgfs_add(accel_dev);
34}
35EXPORT_SYMBOL_GPL(adf_dbgfs_init);
36
37/**
38 * adf_dbgfs_exit() - remove persistent debugfs entries
39 * @accel_dev:  Pointer to acceleration device.
40 */
41void adf_dbgfs_exit(struct adf_accel_dev *accel_dev)
42{
43	adf_cfg_dev_dbgfs_rm(accel_dev);
44	debugfs_remove(accel_dev->debugfs_dir);
45}
46EXPORT_SYMBOL_GPL(adf_dbgfs_exit);
47
48/**
49 * adf_dbgfs_add() - add non-persistent debugfs entries
50 * @accel_dev:  Pointer to acceleration device.
51 *
52 * This function creates debugfs entries that are not persistent through
53 * a device state change (from up to down or vice versa).
54 */
55void adf_dbgfs_add(struct adf_accel_dev *accel_dev)
56{
57	if (!accel_dev->is_vf) {
58		adf_fw_counters_dbgfs_add(accel_dev);
59		adf_heartbeat_dbgfs_add(accel_dev);
60		adf_pm_dbgfs_add(accel_dev);
61		adf_cnv_dbgfs_add(accel_dev);
62		adf_tl_dbgfs_add(accel_dev);
63	}
64}
65
66/**
67 * adf_dbgfs_rm() - remove non-persistent debugfs entries
68 * @accel_dev:  Pointer to acceleration device.
69 */
70void adf_dbgfs_rm(struct adf_accel_dev *accel_dev)
71{
72	if (!accel_dev->is_vf) {
73		adf_tl_dbgfs_rm(accel_dev);
74		adf_cnv_dbgfs_rm(accel_dev);
75		adf_pm_dbgfs_rm(accel_dev);
76		adf_heartbeat_dbgfs_rm(accel_dev);
77		adf_fw_counters_dbgfs_rm(accel_dev);
78	}
79}