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Commit 1c0ab408 authored by Vakul Garg's avatar Vakul Garg Committed by Herbert Xu
Browse files

crypto: caam/qi2 - Add printing dpseci fq stats using debugfs 



Add support of printing the dpseci frame queue statistics using debugfs.

Signed-off-by: default avatarVakul Garg <vakul.garg@nxp.com>
Reviewed-by: default avatarHoria Geantă <horia.geanta@nxp.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 1b82feb6

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
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// 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 */