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;
+}