nx_debugfs.c

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#include <linux/device.h>
#include <linux/kobject.h>
#include <linux/string.h>
#include <linux/debugfs.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/crypto.h>
#include <crypto/hash.h>
#include <asm/vio.h>

#include "nx_csbcpb.h"
#include "nx.h"

#ifdef CONFIG_DEBUG_FS

/*
 * debugfs
 *
 * For documentation on these attributes, please see:
 *
 * Documentation/ABI/testing/debugfs-pfo-nx-crypto
 */

int nx_debugfs_init(struct nx_crypto_driver *drv)
{
    struct nx_debugfs *dfs = &drv->dfs;

    dfs->dfs_root = debugfs_create_dir(NX_NAME, NULL);

    dfs->dfs_aes_ops =
        debugfs_create_u32("aes_ops",
                   S_IRUSR | S_IRGRP | S_IROTH,
                   dfs->dfs_root, (u32 *)&drv->stats.aes_ops);
    dfs->dfs_sha256_ops =
        debugfs_create_u32("sha256_ops",
                   S_IRUSR | S_IRGRP | S_IROTH,
                   dfs->dfs_root,
                   (u32 *)&drv->stats.sha256_ops);
    dfs->dfs_sha512_ops =
        debugfs_create_u32("sha512_ops",
                   S_IRUSR | S_IRGRP | S_IROTH,
                   dfs->dfs_root,
                   (u32 *)&drv->stats.sha512_ops);
    dfs->dfs_aes_bytes =
        debugfs_create_u64("aes_bytes",
                   S_IRUSR | S_IRGRP | S_IROTH,
                   dfs->dfs_root,
                   (u64 *)&drv->stats.aes_bytes);
    dfs->dfs_sha256_bytes =
        debugfs_create_u64("sha256_bytes",
                   S_IRUSR | S_IRGRP | S_IROTH,
                   dfs->dfs_root,
                   (u64 *)&drv->stats.sha256_bytes);
    dfs->dfs_sha512_bytes =
        debugfs_create_u64("sha512_bytes",
                   S_IRUSR | S_IRGRP | S_IROTH,
                   dfs->dfs_root,
                   (u64 *)&drv->stats.sha512_bytes);
    dfs->dfs_errors =
        debugfs_create_u32("errors",
                   S_IRUSR | S_IRGRP | S_IROTH,
                   dfs->dfs_root, (u32 *)&drv->stats.errors);
    dfs->dfs_last_error =
        debugfs_create_u32("last_error",
                   S_IRUSR | S_IRGRP | S_IROTH,
                   dfs->dfs_root,
                   (u32 *)&drv->stats.last_error);
    dfs->dfs_last_error_pid =
        debugfs_create_u32("last_error_pid",
                   S_IRUSR | S_IRGRP | S_IROTH,
                   dfs->dfs_root,
                   (u32 *)&drv->stats.last_error_pid);
    return 0;
}

void
nx_debugfs_fini(struct nx_crypto_driver *drv)
{
    debugfs_remove_recursive(drv->dfs.dfs_root);
}

#endif