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crypto: cavium/nitrox - updated debugfs information. 

Updated debugfs to provide device partname and frequency etc.
New file "stats" shows the number of requests posted, dropped and
completed.

Signed-off-by: Srikanth Jampala <Jampala.Srikanth@cavium.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Srikanth Jampala 2018-09-21 17:08:02 +05:30 committed by Herbert Xu
parent fec165c947
commit 2a8780be9c
4 changed files with 127 additions and 129 deletions
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1
drivers/crypto/cavium/nitrox/Makefile
View File

@ -9,3 +9,4 @@ n5pf-objs := nitrox_main.o \
nitrox_algs.o
n5pf-$(CONFIG_PCI_IOV) += nitrox_sriov.o
n5pf-$(CONFIG_DEBUG_FS) += nitrox_debugfs.o

113
drivers/crypto/cavium/nitrox/nitrox_debugfs.c Normal file
View File

@ -0,0 +1,113 @@
// SPDX-License-Identifier: GPL-2.0
#include <linux/seq_file.h>
#include <linux/debugfs.h>
#include "nitrox_csr.h"
#include "nitrox_dev.h"
static int firmware_show(struct seq_file *s, void *v)
{
struct nitrox_device *ndev = s->private;
seq_printf(s, "Version: %s\n", ndev->hw.fw_name);
return 0;
}
static int firmware_open(struct inode *inode, struct file *file)
{
return single_open(file, firmware_show, inode->i_private);
}
static const struct file_operations firmware_fops = {
.owner = THIS_MODULE,
.open = firmware_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
static int device_show(struct seq_file *s, void *v)
{
struct nitrox_device *ndev = s->private;
seq_printf(s, "NITROX [%d]\n", ndev->idx);
seq_printf(s, " Part Name: %s\n", ndev->hw.partname);
seq_printf(s, " Frequency: %d MHz\n", ndev->hw.freq);
seq_printf(s, " Device ID: 0x%0x\n", ndev->hw.device_id);
seq_printf(s, " Revision ID: 0x%0x\n", ndev->hw.revision_id);
seq_printf(s, " Cores: [AE=%u SE=%u ZIP=%u]\n",
ndev->hw.ae_cores, ndev->hw.se_cores, ndev->hw.zip_cores);
return 0;
}
static int nitrox_open(struct inode *inode, struct file *file)
{
return single_open(file, device_show, inode->i_private);
}
static const struct file_operations nitrox_fops = {
.owner = THIS_MODULE,
.open = nitrox_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
static int stats_show(struct seq_file *s, void *v)
{
struct nitrox_device *ndev = s->private;
seq_printf(s, "NITROX [%d] Request Statistics\n", ndev->idx);
seq_printf(s, " Posted: %lld\n", atomic64_read(&ndev->stats.posted));
seq_printf(s, " Completed: %lld\n",
atomic64_read(&ndev->stats.completed));
seq_printf(s, " Dropped: %lld\n", atomic64_read(&ndev->stats.dropped));
return 0;
}
static int nitrox_stats_open(struct inode *inode, struct file *file)
{
return single_open(file, stats_show, inode->i_private);
}
static const struct file_operations nitrox_stats_fops = {
.owner = THIS_MODULE,
.open = nitrox_stats_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
void nitrox_debugfs_exit(struct nitrox_device *ndev)
{
debugfs_remove_recursive(ndev->debugfs_dir);
ndev->debugfs_dir = NULL;
}
int nitrox_debugfs_init(struct nitrox_device *ndev)
{
struct dentry *dir, *f;
dir = debugfs_create_dir(KBUILD_MODNAME, NULL);
if (!dir)
return -ENOMEM;
ndev->debugfs_dir = dir;
f = debugfs_create_file("firmware", 0400, dir, ndev, &firmware_fops);
if (!f)
goto err;
f = debugfs_create_file("device", 0400, dir, ndev, &nitrox_fops);
if (!f)
goto err;
f = debugfs_create_file("stats", 0400, dir, ndev, &nitrox_stats_fops);
if (!f)
goto err;
return 0;
err:
nitrox_debugfs_exit(ndev);
return -ENODEV;
}

13
drivers/crypto/cavium/nitrox/nitrox_dev.h
View File

@ -218,4 +218,17 @@ static inline bool nitrox_ready(struct nitrox_device *ndev)
return atomic_read(&ndev->state) == __NDEV_READY;
}
#ifdef CONFIG_DEBUG_FS
int nitrox_debugfs_init(struct nitrox_device *ndev);
void nitrox_debugfs_exit(struct nitrox_device *ndev);
#else
static inline int nitrox_debugfs_init(struct nitrox_device *ndev)
{
return 0;
}
static inline void nitrox_debugfs_exit(struct nitrox_device *ndev)
{ }
#endif
#endif /* __NITROX_DEV_H */

129
drivers/crypto/cavium/nitrox/nitrox_main.c
View File

@ -323,135 +323,6 @@ static int nitrox_pf_hw_init(struct nitrox_device *ndev)
return 0;
}
#if IS_ENABLED(CONFIG_DEBUG_FS)
static int registers_show(struct seq_file *s, void *v)
{
struct nitrox_device *ndev = s->private;
u64 offset;
/* NPS DMA stats */
offset = NPS_STATS_PKT_DMA_RD_CNT;
seq_printf(s, "NPS_STATS_PKT_DMA_RD_CNT 0x%016llx\n",
nitrox_read_csr(ndev, offset));
offset = NPS_STATS_PKT_DMA_WR_CNT;
seq_printf(s, "NPS_STATS_PKT_DMA_WR_CNT 0x%016llx\n",
nitrox_read_csr(ndev, offset));
/* BMI/BMO stats */
offset = BMI_NPS_PKT_CNT;
seq_printf(s, "BMI_NPS_PKT_CNT 0x%016llx\n",
nitrox_read_csr(ndev, offset));
offset = BMO_NPS_SLC_PKT_CNT;
seq_printf(s, "BMO_NPS_PKT_CNT 0x%016llx\n",
nitrox_read_csr(ndev, offset));
return 0;
}
static int registers_open(struct inode *inode, struct file *file)
{
return single_open(file, registers_show, inode->i_private);
}
static const struct file_operations register_fops = {
.owner = THIS_MODULE,
.open = registers_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
static int firmware_show(struct seq_file *s, void *v)
{
struct nitrox_device *ndev = s->private;
seq_printf(s, "Version: %s\n", ndev->hw.fw_name);
return 0;
}
static int firmware_open(struct inode *inode, struct file *file)
{
return single_open(file, firmware_show, inode->i_private);
}
static const struct file_operations firmware_fops = {
.owner = THIS_MODULE,
.open = firmware_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
static int nitrox_show(struct seq_file *s, void *v)
{
struct nitrox_device *ndev = s->private;
seq_printf(s, "NITROX-5 [idx: %d]\n", ndev->idx);
seq_printf(s, " Revision ID: 0x%0x\n", ndev->hw.revision_id);
seq_printf(s, " Cores [AE: %u SE: %u]\n",
ndev->hw.ae_cores, ndev->hw.se_cores);
seq_printf(s, " Number of Queues: %u\n", ndev->nr_queues);
seq_printf(s, " Queue length: %u\n", ndev->qlen);
seq_printf(s, " Node: %u\n", ndev->node);
return 0;
}
static int nitrox_open(struct inode *inode, struct file *file)
{
return single_open(file, nitrox_show, inode->i_private);
}
static const struct file_operations nitrox_fops = {
.owner = THIS_MODULE,
.open = nitrox_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
static void nitrox_debugfs_exit(struct nitrox_device *ndev)
{
debugfs_remove_recursive(ndev->debugfs_dir);
ndev->debugfs_dir = NULL;
}
static int nitrox_debugfs_init(struct nitrox_device *ndev)
{
struct dentry *dir, *f;
dir = debugfs_create_dir(KBUILD_MODNAME, NULL);
if (!dir)
return -ENOMEM;
ndev->debugfs_dir = dir;
f = debugfs_create_file("counters", 0400, dir, ndev, &register_fops);
if (!f)
goto err;
f = debugfs_create_file("firmware", 0400, dir, ndev, &firmware_fops);
if (!f)
goto err;
f = debugfs_create_file("nitrox", 0400, dir, ndev, &nitrox_fops);
if (!f)
goto err;
return 0;
err:
nitrox_debugfs_exit(ndev);
return -ENODEV;
}
#else
static int nitrox_debugfs_init(struct nitrox_device *ndev)
{
return 0;
}
static void nitrox_debugfs_exit(struct nitrox_device *ndev)
{
}
#endif
/**
* nitrox_probe - NITROX Initialization function.
* @pdev: PCI device information struct