Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
crypto: caam/qi2 - Add printing dpseci fq stats using debugfs
Add support of printing the dpseci frame queue statistics using debugfs.
Signed-off-by: Vakul Garg <vakul.garg@nxp.com>
Reviewed-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
authored by
Vakul Garg
and committed by
Herbert Xu
1c0ab408
1b82feb6
+105
+1
drivers/crypto/caam/Makefile
+1
drivers/crypto/caam/Makefile
+5
drivers/crypto/caam/caamalg_qi2.c
+5
drivers/crypto/caam/caamalg_qi2.c
···
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#include "key_gen.h"
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#include "caamalg_desc.h"
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#include "caamhash_desc.h"
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#include "dpseci-debugfs.h"
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#include <linux/fsl/mc.h>
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#include <soc/fsl/dpaa2-io.h>
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#include <soc/fsl/dpaa2-fd.h>
···
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goto err_bind;
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}
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dpaa2_dpseci_debugfs_init(priv);
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/* register crypto algorithms the device supports */
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for (i = 0; i < ARRAY_SIZE(driver_algs); i++) {
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struct caam_skcipher_alg *t_alg = driver_algs + i;
···
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dev = &ls_dev->dev;
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priv = dev_get_drvdata(dev);
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dpaa2_dpseci_debugfs_exit(priv);
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for (i = 0; i < ARRAY_SIZE(driver_aeads); i++) {
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struct caam_aead_alg *t_alg = driver_aeads + i;
+2
drivers/crypto/caam/caamalg_qi2.h
+2
drivers/crypto/caam/caamalg_qi2.h
···
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#include <soc/fsl/dpaa2-io.h>
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#include <soc/fsl/dpaa2-fd.h>
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#include <linux/threads.h>
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#include <linux/netdevice.h>
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#include "dpseci.h"
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#include "desc_constr.h"
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···
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struct iommu_domain *domain;
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struct dpaa2_caam_priv_per_cpu __percpu *ppriv;
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struct dentry *dfs_root;
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};
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/**
+79
drivers/crypto/caam/dpseci-debugfs.c
+79
drivers/crypto/caam/dpseci-debugfs.c
···
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// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
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/* Copyright 2019 NXP */
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#include <linux/module.h>
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#include <linux/device.h>
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#include <linux/debugfs.h>
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#include "dpseci-debugfs.h"
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static int dpseci_dbg_fqs_show(struct seq_file *file, void *offset)
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{
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struct dpaa2_caam_priv *priv = (struct dpaa2_caam_priv *)file->private;
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u32 fqid, fcnt, bcnt;
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int i, err;
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seq_printf(file, "FQ stats for %s:\n", dev_name(priv->dev));
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seq_printf(file, "%s%16s%16s\n",
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"Rx-VFQID",
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"Pending frames",
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"Pending bytes");
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for (i = 0; i < priv->num_pairs; i++) {
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fqid = priv->rx_queue_attr[i].fqid;
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err = dpaa2_io_query_fq_count(NULL, fqid, &fcnt, &bcnt);
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if (err)
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continue;
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seq_printf(file, "%5d%16u%16u\n", fqid, fcnt, bcnt);
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}
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seq_printf(file, "%s%16s%16s\n",
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"Tx-VFQID",
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"Pending frames",
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"Pending bytes");
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for (i = 0; i < priv->num_pairs; i++) {
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fqid = priv->tx_queue_attr[i].fqid;
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err = dpaa2_io_query_fq_count(NULL, fqid, &fcnt, &bcnt);
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if (err)
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continue;
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seq_printf(file, "%5d%16u%16u\n", fqid, fcnt, bcnt);
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}
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return 0;
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}
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static int dpseci_dbg_fqs_open(struct inode *inode, struct file *file)
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{
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int err;
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struct dpaa2_caam_priv *priv;
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priv = (struct dpaa2_caam_priv *)inode->i_private;
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err = single_open(file, dpseci_dbg_fqs_show, priv);
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if (err < 0)
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dev_err(priv->dev, "single_open() failed\n");
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return err;
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}
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static const struct file_operations dpseci_dbg_fq_ops = {
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.open = dpseci_dbg_fqs_open,
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.read = seq_read,
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.llseek = seq_lseek,
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.release = single_release,
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};
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void dpaa2_dpseci_debugfs_init(struct dpaa2_caam_priv *priv)
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{
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priv->dfs_root = debugfs_create_dir(dev_name(priv->dev), NULL);
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debugfs_create_file("fq_stats", 0444, priv->dfs_root, priv,
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&dpseci_dbg_fq_ops);
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}
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void dpaa2_dpseci_debugfs_exit(struct dpaa2_caam_priv *priv)
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{
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debugfs_remove_recursive(priv->dfs_root);
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}
+18
drivers/crypto/caam/dpseci-debugfs.h
+18
drivers/crypto/caam/dpseci-debugfs.h
···
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/* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */
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/* Copyright 2019 NXP */
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#ifndef DPSECI_DEBUGFS_H
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#define DPSECI_DEBUGFS_H
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#include <linux/dcache.h>
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#include "caamalg_qi2.h"
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#ifdef CONFIG_DEBUG_FS
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void dpaa2_dpseci_debugfs_init(struct dpaa2_caam_priv *priv);
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void dpaa2_dpseci_debugfs_exit(struct dpaa2_caam_priv *priv);
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#else
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static inline void dpaa2_dpseci_debugfs_init(struct dpaa2_caam_priv *priv) {}
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static inline void dpaa2_dpseci_debugfs_exit(struct dpaa2_caam_priv *priv) {}
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#endif /* CONFIG_DEBUG_FS */
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#endif /* DPSECI_DEBUGFS_H */