crypto: caam/qi2 - Add printing dpseci fq stats using debugfs (1c0ab408) · Commits · 戴 / test

drivers/crypto/caam/Makefile

+1 −0

Original line number	Diff line number	Diff line
		@@ -30,3 +30,4 @@ endif
		obj-$(CONFIG_CRYPTO_DEV_FSL_DPAA2_CAAM) += dpaa2_caam.o

		dpaa2_caam-y := caamalg_qi2.o dpseci.o
		dpaa2_caam-$(CONFIG_DEBUG_FS) += dpseci-debugfs.o

drivers/crypto/caam/caamalg_qi2.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -15,6 +15,7 @@
		#include "key_gen.h"
		#include "caamalg_desc.h"
		#include "caamhash_desc.h"
		#include "dpseci-debugfs.h"
		#include <linux/fsl/mc.h>
		#include <soc/fsl/dpaa2-io.h>
		#include <soc/fsl/dpaa2-fd.h>
		@@ -5098,6 +5099,8 @@ static int dpaa2_caam_probe(struct fsl_mc_device *dpseci_dev)
		goto err_bind;
		}

		dpaa2_dpseci_debugfs_init(priv);

		/* register crypto algorithms the device supports */
		for (i = 0; i < ARRAY_SIZE(driver_algs); i++) {
		struct caam_skcipher_alg *t_alg = driver_algs + i;
		@@ -5265,6 +5268,8 @@ static int __cold dpaa2_caam_remove(struct fsl_mc_device *ls_dev)
		dev = &ls_dev->dev;
		priv = dev_get_drvdata(dev);

		dpaa2_dpseci_debugfs_exit(priv);

		for (i = 0; i < ARRAY_SIZE(driver_aeads); i++) {
		struct caam_aead_alg *t_alg = driver_aeads + i;

drivers/crypto/caam/caamalg_qi2.h

+2 −0

Original line number	Diff line number	Diff line
		@@ -10,6 +10,7 @@
		#include <soc/fsl/dpaa2-io.h>
		#include <soc/fsl/dpaa2-fd.h>
		#include <linux/threads.h>
		#include <linux/netdevice.h>
		#include "dpseci.h"
		#include "desc_constr.h"

		@@ -64,6 +65,7 @@ struct dpaa2_caam_priv {
		struct iommu_domain *domain;

		struct dpaa2_caam_priv_per_cpu __percpu *ppriv;
		struct dentry *dfs_root;
		};

		/**

drivers/crypto/caam/dpseci-debugfs.c

0 → 100644

+79 −0

Original line number	Diff line number	Diff line
		// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
		/* Copyright 2019 NXP */

		#include <linux/module.h>
		#include <linux/device.h>
		#include <linux/debugfs.h>
		#include "dpseci-debugfs.h"

		static int dpseci_dbg_fqs_show(struct seq_file file, void offset)
		{
		struct dpaa2_caam_priv priv = (struct dpaa2_caam_priv )file->private;
		u32 fqid, fcnt, bcnt;
		int i, err;

		seq_printf(file, "FQ stats for %s:\n", dev_name(priv->dev));
		seq_printf(file, "%s%16s%16s\n",
		"Rx-VFQID",
		"Pending frames",
		"Pending bytes");

		for (i = 0; i < priv->num_pairs; i++) {
		fqid = priv->rx_queue_attr[i].fqid;
		err = dpaa2_io_query_fq_count(NULL, fqid, &fcnt, &bcnt);
		if (err)
		continue;

		seq_printf(file, "%5d%16u%16u\n", fqid, fcnt, bcnt);
		}

		seq_printf(file, "%s%16s%16s\n",
		"Tx-VFQID",
		"Pending frames",
		"Pending bytes");

		for (i = 0; i < priv->num_pairs; i++) {
		fqid = priv->tx_queue_attr[i].fqid;
		err = dpaa2_io_query_fq_count(NULL, fqid, &fcnt, &bcnt);
		if (err)
		continue;

		seq_printf(file, "%5d%16u%16u\n", fqid, fcnt, bcnt);
		}

		return 0;
		}

		static int dpseci_dbg_fqs_open(struct inode inode, struct file file)
		{
		int err;
		struct dpaa2_caam_priv *priv;

		priv = (struct dpaa2_caam_priv *)inode->i_private;

		err = single_open(file, dpseci_dbg_fqs_show, priv);
		if (err < 0)
		dev_err(priv->dev, "single_open() failed\n");

		return err;
		}

		static const struct file_operations dpseci_dbg_fq_ops = {
		.open = dpseci_dbg_fqs_open,
		.read = seq_read,
		.llseek = seq_lseek,
		.release = single_release,
		};

		void dpaa2_dpseci_debugfs_init(struct dpaa2_caam_priv *priv)
		{
		priv->dfs_root = debugfs_create_dir(dev_name(priv->dev), NULL);

		debugfs_create_file("fq_stats", 0444, priv->dfs_root, priv,
		&dpseci_dbg_fq_ops);
		}

		void dpaa2_dpseci_debugfs_exit(struct dpaa2_caam_priv *priv)
		{
		debugfs_remove_recursive(priv->dfs_root);
		}

drivers/crypto/caam/dpseci-debugfs.h

0 → 100644

+18 −0

Original line number	Diff line number	Diff line
		/* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */
		/* Copyright 2019 NXP */

		#ifndef DPSECI_DEBUGFS_H
		#define DPSECI_DEBUGFS_H

		#include <linux/dcache.h>
		#include "caamalg_qi2.h"

		#ifdef CONFIG_DEBUG_FS
		void dpaa2_dpseci_debugfs_init(struct dpaa2_caam_priv *priv);
		void dpaa2_dpseci_debugfs_exit(struct dpaa2_caam_priv *priv);
		#else
		static inline void dpaa2_dpseci_debugfs_init(struct dpaa2_caam_priv *priv) {}
		static inline void dpaa2_dpseci_debugfs_exit(struct dpaa2_caam_priv *priv) {}
		#endif /* CONFIG_DEBUG_FS */

		#endif /* DPSECI_DEBUGFS_H */

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