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linux-next/drivers/crypto/cavium/nitrox/nitrox_debugfs.c
Phani Kiran Hemadri a7268c4d42 crypto: cavium/nitrox - Add support for loading asymmetric crypto firmware
This patch adds support to load Asymmetric crypto firmware on
AE cores of CNN55XX device. Firmware is stored on UCD block 2
and all available AE cores are tagged to group 0.

Signed-off-by: Phani Kiran Hemadri <phemadri@marvell.com>
Reviewed-by: Srikanth Jampala <jsrikanth@marvell.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2019-07-26 22:08:05 +10:00

70 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[0]);
seq_printf(s, "Version: %s\n", ndev->hw.fw_name[1]);
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);
}