diff options
Diffstat (limited to 'drivers/crypto/intel/qat/qat_common/adf_dbgfs.c')
-rw-r--r-- | drivers/crypto/intel/qat/qat_common/adf_dbgfs.c | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/drivers/crypto/intel/qat/qat_common/adf_dbgfs.c b/drivers/crypto/intel/qat/qat_common/adf_dbgfs.c new file mode 100644 index 000000000000..d0a2f892e6eb --- /dev/null +++ b/drivers/crypto/intel/qat/qat_common/adf_dbgfs.c @@ -0,0 +1,69 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* Copyright(c) 2023 Intel Corporation */ + +#include <linux/debugfs.h> +#include "adf_accel_devices.h" +#include "adf_cfg.h" +#include "adf_common_drv.h" +#include "adf_dbgfs.h" + +/** + * adf_dbgfs_init() - add persistent debugfs entries + * @accel_dev: Pointer to acceleration device. + * + * This function creates debugfs entries that are persistent through a device + * state change (from up to down or vice versa). + */ +void adf_dbgfs_init(struct adf_accel_dev *accel_dev) +{ + char name[ADF_DEVICE_NAME_LENGTH]; + void *ret; + + /* Create dev top level debugfs entry */ + snprintf(name, sizeof(name), "%s%s_%s", ADF_DEVICE_NAME_PREFIX, + accel_dev->hw_device->dev_class->name, + pci_name(accel_dev->accel_pci_dev.pci_dev)); + + ret = debugfs_create_dir(name, NULL); + if (IS_ERR_OR_NULL(ret)) + return; + + accel_dev->debugfs_dir = ret; + + adf_cfg_dev_dbgfs_add(accel_dev); +} +EXPORT_SYMBOL_GPL(adf_dbgfs_init); + +/** + * adf_dbgfs_exit() - remove persistent debugfs entries + * @accel_dev: Pointer to acceleration device. + */ +void adf_dbgfs_exit(struct adf_accel_dev *accel_dev) +{ + adf_cfg_dev_dbgfs_rm(accel_dev); + debugfs_remove(accel_dev->debugfs_dir); +} +EXPORT_SYMBOL_GPL(adf_dbgfs_exit); + +/** + * adf_dbgfs_add() - add non-persistent debugfs entries + * @accel_dev: Pointer to acceleration device. + * + * This function creates debugfs entries that are not persistent through + * a device state change (from up to down or vice versa). + */ +void adf_dbgfs_add(struct adf_accel_dev *accel_dev) +{ + if (!accel_dev->debugfs_dir) + return; +} + +/** + * adf_dbgfs_rm() - remove non-persistent debugfs entries + * @accel_dev: Pointer to acceleration device. + */ +void adf_dbgfs_rm(struct adf_accel_dev *accel_dev) +{ + if (!accel_dev->debugfs_dir) + return; +} |