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The Compress and Verify (CnV) feature check and ensures data integrity in the compression operation. The implementation of CnV keeps a record of the CnV errors that have occurred since the driver was loaded. Expose CnV error stats by providing the "cnv_errors" file under debugfs. This includes the number of errors detected up to now and the type of the last error. The error count is provided on a per Acceleration Engine basis and it is reset every time the driver is loaded. Signed-off-by: Lucas Segarra Fernandez <lucas.segarra.fernandez@intel.com> Reviewed-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
88 lines
2.2 KiB
C
88 lines
2.2 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_cnv_dbgfs.h"
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#include "adf_dbgfs.h"
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#include "adf_fw_counters.h"
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#include "adf_heartbeat_dbgfs.h"
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#include "adf_pm_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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if (!accel_dev->is_vf) {
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adf_fw_counters_dbgfs_add(accel_dev);
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adf_heartbeat_dbgfs_add(accel_dev);
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adf_pm_dbgfs_add(accel_dev);
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adf_cnv_dbgfs_add(accel_dev);
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}
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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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if (!accel_dev->is_vf) {
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adf_cnv_dbgfs_rm(accel_dev);
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adf_pm_dbgfs_rm(accel_dev);
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adf_heartbeat_dbgfs_rm(accel_dev);
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adf_fw_counters_dbgfs_rm(accel_dev);
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}
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}
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