linux_dsm_epyc7002/drivers/crypto/cavium/nitrox/nitrox_debugfs.c
Greg Kroah-Hartman 97a93b2b58 crypto: cavium/nitrox - no need to check return value of debugfs_create functions
When calling debugfs functions, there is no need to ever check the
return value.  The function can work or not, but the code logic should
never do something different based on this.

Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Srikanth Jampala <Jampala.Srikanth@cavium.com>
Cc: Yangtao Li <tiny.windzz@gmail.com>
Cc: Gadam Sreerama <sgadam@cavium.com>
Cc: Eric Biggers <ebiggers@google.com>
Cc: linux-crypto@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2019-02-01 14:42:03 +08:00

69 lines
1.8 KiB
C

// 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;
}
DEFINE_SHOW_ATTRIBUTE(firmware);
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;
}
DEFINE_SHOW_ATTRIBUTE(device);
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: %llu\n",
(u64)atomic64_read(&ndev->stats.posted));
seq_printf(s, " Completed: %llu\n",
(u64)atomic64_read(&ndev->stats.completed));
seq_printf(s, " Dropped: %llu\n",
(u64)atomic64_read(&ndev->stats.dropped));
return 0;
}
DEFINE_SHOW_ATTRIBUTE(stats);
void nitrox_debugfs_exit(struct nitrox_device *ndev)
{
debugfs_remove_recursive(ndev->debugfs_dir);
ndev->debugfs_dir = NULL;
}
void nitrox_debugfs_init(struct nitrox_device *ndev)
{
struct dentry *dir;
dir = debugfs_create_dir(KBUILD_MODNAME, NULL);
ndev->debugfs_dir = dir;
debugfs_create_file("firmware", 0400, dir, ndev, &firmware_fops);
debugfs_create_file("device", 0400, dir, ndev, &device_fops);
debugfs_create_file("stats", 0400, dir, ndev, &stats_fops);
}