Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / crypto / nx / nx_debugfs.c

diff --git a/kernel/drivers/crypto/nx/nx_debugfs.c b/kernel/drivers/crypto/nx/nx_debugfs.c
new file mode 100644 (file)
index 0000000..7ab2e8d
--- /dev/null
+++ b/kernel/drivers/crypto/nx/nx_debugfs.c
@@ -0,0 +1,103 @@
+/**
+ * debugfs routines supporting the Power 7+ Nest Accelerators driver
+ *
+ * Copyright (C) 2011-2012 International Business Machines Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 only.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ * Author: Kent Yoder <yoder1@us.ibm.com>
+ */
+
+#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