70 lines
1.7 KiB
C
70 lines
1.7 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/* Copyright(c) 2023 Intel Corporation */
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#include <linux/debugfs.h>
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#include "adf_accel_devices.h"
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#include "adf_cfg.h"
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#include "adf_common_drv.h"
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#include "adf_dbgfs.h"
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/**
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* adf_dbgfs_init() - add persistent debugfs entries
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* @accel_dev: Pointer to acceleration device.
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*
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* This function creates debugfs entries that are persistent through a device
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* state change (from up to down or vice versa).
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*/
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void adf_dbgfs_init(struct adf_accel_dev *accel_dev)
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{
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char name[ADF_DEVICE_NAME_LENGTH];
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void *ret;
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/* Create dev top level debugfs entry */
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snprintf(name, sizeof(name), "%s%s_%s", ADF_DEVICE_NAME_PREFIX,
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accel_dev->hw_device->dev_class->name,
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pci_name(accel_dev->accel_pci_dev.pci_dev));
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ret = debugfs_create_dir(name, NULL);
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if (IS_ERR_OR_NULL(ret))
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return;
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accel_dev->debugfs_dir = ret;
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adf_cfg_dev_dbgfs_add(accel_dev);
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}
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EXPORT_SYMBOL_GPL(adf_dbgfs_init);
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/**
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* adf_dbgfs_exit() - remove persistent debugfs entries
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* @accel_dev: Pointer to acceleration device.
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*/
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void adf_dbgfs_exit(struct adf_accel_dev *accel_dev)
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{
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adf_cfg_dev_dbgfs_rm(accel_dev);
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debugfs_remove(accel_dev->debugfs_dir);
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}
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EXPORT_SYMBOL_GPL(adf_dbgfs_exit);
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/**
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* adf_dbgfs_add() - add non-persistent debugfs entries
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* @accel_dev: Pointer to acceleration device.
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*
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* This function creates debugfs entries that are not persistent through
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* a device state change (from up to down or vice versa).
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*/
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void adf_dbgfs_add(struct adf_accel_dev *accel_dev)
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{
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if (!accel_dev->debugfs_dir)
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return;
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}
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/**
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* adf_dbgfs_rm() - remove non-persistent debugfs entries
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* @accel_dev: Pointer to acceleration device.
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*/
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void adf_dbgfs_rm(struct adf_accel_dev *accel_dev)
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{
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if (!accel_dev->debugfs_dir)
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return;
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}
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