Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/crypto/nx/Kconfig b/drivers/crypto/nx/Kconfig
index cd5dda9..23e3d01 100644
--- a/drivers/crypto/nx/Kconfig
+++ b/drivers/crypto/nx/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
config CRYPTO_DEV_NX_ENCRYPT
tristate "Encryption acceleration support on pSeries platform"
diff --git a/drivers/crypto/nx/nx-842-powernv.c b/drivers/crypto/nx/nx-842-powernv.c
index c68df7e..c037a24 100644
--- a/drivers/crypto/nx/nx-842-powernv.c
+++ b/drivers/crypto/nx/nx-842-powernv.c
@@ -1,17 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Driver for IBM PowerNV 842 compression accelerator
*
* Copyright (C) 2015 Dan Streetman, IBM Corp
- *
- * 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; either version 2 of the License, or
- * (at your option) any later version.
- *
- * 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.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
@@ -36,8 +27,6 @@
#define WORKMEM_ALIGN (CRB_ALIGN)
#define CSB_WAIT_MAX (5000) /* ms */
#define VAS_RETRIES (10)
-/* # of requests allowed per RxFIFO at a time. 0 for unlimited */
-#define MAX_CREDITS_PER_RXFIFO (1024)
struct nx842_workmem {
/* Below fields must be properly aligned */
@@ -821,7 +810,11 @@
rxattr.lnotify_lpid = lpid;
rxattr.lnotify_pid = pid;
rxattr.lnotify_tid = tid;
- rxattr.wcreds_max = MAX_CREDITS_PER_RXFIFO;
+ /*
+ * Maximum RX window credits can not be more than #CRBs in
+ * RxFIFO. Otherwise, can get checkstop if RxFIFO overruns.
+ */
+ rxattr.wcreds_max = fifo_size / CRB_SIZE;
/*
* Open a VAS receice window which is used to configure RxFIFO
@@ -1027,6 +1020,7 @@
ret = nx842_powernv_probe_vas(dn);
if (ret) {
nx842_delete_coprocs();
+ of_node_put(dn);
return ret;
}
}
diff --git a/drivers/crypto/nx/nx-842-pseries.c b/drivers/crypto/nx/nx-842-pseries.c
index 6686997..2de5e36 100644
--- a/drivers/crypto/nx/nx-842-pseries.c
+++ b/drivers/crypto/nx/nx-842-pseries.c
@@ -1,20 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Driver for IBM Power 842 compression accelerator
*
- * 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; either version 2 of the License, or
- * (at your option) any later version.
- *
- * 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, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- *
* Copyright (C) IBM Corporation, 2012
*
* Authors: Robert Jennings <rcj@linux.vnet.ibm.com>
@@ -296,7 +283,7 @@
struct nx842_workmem *workmem;
struct nx842_scatterlist slin, slout;
struct nx_csbcpb *csbcpb;
- int ret = 0, max_sync_size;
+ int ret = 0;
unsigned long inbuf, outbuf;
struct vio_pfo_op op = {
.done = NULL,
@@ -319,7 +306,6 @@
rcu_read_unlock();
return -ENODEV;
}
- max_sync_size = local_devdata->max_sync_size;
dev = local_devdata->dev;
/* Init scatterlist */
@@ -427,7 +413,7 @@
struct nx842_workmem *workmem;
struct nx842_scatterlist slin, slout;
struct nx_csbcpb *csbcpb;
- int ret = 0, max_sync_size;
+ int ret = 0;
unsigned long inbuf, outbuf;
struct vio_pfo_op op = {
.done = NULL,
@@ -451,7 +437,6 @@
rcu_read_unlock();
return -ENODEV;
}
- max_sync_size = local_devdata->max_sync_size;
dev = local_devdata->dev;
workmem = PTR_ALIGN(wmem, WORKMEM_ALIGN);
@@ -871,7 +856,7 @@
rcu_read_lock(); \
local_devdata = rcu_dereference(devdata); \
if (local_devdata) \
- p = snprintf(buf, PAGE_SIZE, "%ld\n", \
+ p = snprintf(buf, PAGE_SIZE, "%lld\n", \
atomic64_read(&local_devdata->counters->_name)); \
rcu_read_unlock(); \
return p; \
@@ -924,7 +909,7 @@
}
for (i = 0; i < (NX842_HIST_SLOTS - 2); i++) {
- bytes = snprintf(p, bytes_remain, "%u-%uus:\t%ld\n",
+ bytes = snprintf(p, bytes_remain, "%u-%uus:\t%lld\n",
i ? (2<<(i-1)) : 0, (2<<i)-1,
atomic64_read(×[i]));
bytes_remain -= bytes;
@@ -932,7 +917,7 @@
}
/* The last bucket holds everything over
* 2<<(NX842_HIST_SLOTS - 2) us */
- bytes = snprintf(p, bytes_remain, "%uus - :\t%ld\n",
+ bytes = snprintf(p, bytes_remain, "%uus - :\t%lld\n",
2<<(NX842_HIST_SLOTS - 2),
atomic64_read(×[(NX842_HIST_SLOTS - 1)]));
p += bytes;
diff --git a/drivers/crypto/nx/nx-842.c b/drivers/crypto/nx/nx-842.c
index d94e25d..2ab90ec 100644
--- a/drivers/crypto/nx/nx-842.c
+++ b/drivers/crypto/nx/nx-842.c
@@ -1,16 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Cryptographic API for the NX-842 hardware compression.
*
- * 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; either version 2 of the License, or
- * (at your option) any later version.
- *
- * 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.
- *
* Copyright (C) IBM Corporation, 2011-2015
*
* Designer of the Power data compression engine:
@@ -353,7 +344,7 @@
unsigned int adj_slen = slen;
u8 *src = p->in, *dst = p->out;
u16 padding = be16_to_cpu(g->padding);
- int ret, spadding = 0, dpadding = 0;
+ int ret, spadding = 0;
ktime_t timeout;
if (!slen || !required_len)
@@ -413,7 +404,6 @@
spadding = 0;
dst = p->out;
dlen = p->oremain;
- dpadding = 0;
if (dlen < required_len) { /* have ignore bytes */
dst = ctx->dbounce;
dlen = BOUNCE_BUFFER_SIZE;
diff --git a/drivers/crypto/nx/nx-aes-cbc.c b/drivers/crypto/nx/nx-aes-cbc.c
index a066cc3..e631f99 100644
--- a/drivers/crypto/nx/nx-aes-cbc.c
+++ b/drivers/crypto/nx/nx-aes-cbc.c
@@ -1,21 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/**
* AES CBC 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>
*/
diff --git a/drivers/crypto/nx/nx-aes-ccm.c b/drivers/crypto/nx/nx-aes-ccm.c
index 7038f36..5be8f01 100644
--- a/drivers/crypto/nx/nx-aes-ccm.c
+++ b/drivers/crypto/nx/nx-aes-ccm.c
@@ -1,21 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/**
* AES CCM routines supporting the Power 7+ Nest Accelerators driver
*
* Copyright (C) 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>
*/
diff --git a/drivers/crypto/nx/nx-aes-ctr.c b/drivers/crypto/nx/nx-aes-ctr.c
index 898c0a2..191e226 100644
--- a/drivers/crypto/nx/nx-aes-ctr.c
+++ b/drivers/crypto/nx/nx-aes-ctr.c
@@ -1,21 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/**
* AES CTR 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>
*/
@@ -159,7 +147,6 @@
.min_keysize = AES_MIN_KEY_SIZE + CTR_RFC3686_NONCE_SIZE,
.max_keysize = AES_MAX_KEY_SIZE + CTR_RFC3686_NONCE_SIZE,
.ivsize = CTR_RFC3686_IV_SIZE,
- .geniv = "seqiv",
.setkey = ctr3686_aes_nx_set_key,
.encrypt = ctr3686_aes_nx_crypt,
.decrypt = ctr3686_aes_nx_crypt,
diff --git a/drivers/crypto/nx/nx-aes-ecb.c b/drivers/crypto/nx/nx-aes-ecb.c
index cfdde8b..c675704 100644
--- a/drivers/crypto/nx/nx-aes-ecb.c
+++ b/drivers/crypto/nx/nx-aes-ecb.c
@@ -1,21 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/**
* AES ECB 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>
*/
diff --git a/drivers/crypto/nx/nx-aes-gcm.c b/drivers/crypto/nx/nx-aes-gcm.c
index a810596..7d3d678 100644
--- a/drivers/crypto/nx/nx-aes-gcm.c
+++ b/drivers/crypto/nx/nx-aes-gcm.c
@@ -1,21 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/**
* AES GCM routines supporting the Power 7+ Nest Accelerators driver
*
* Copyright (C) 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>
*/
diff --git a/drivers/crypto/nx/nx-aes-xcbc.c b/drivers/crypto/nx/nx-aes-xcbc.c
index ad3358e..48dc1c9 100644
--- a/drivers/crypto/nx/nx-aes-xcbc.c
+++ b/drivers/crypto/nx/nx-aes-xcbc.c
@@ -1,21 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/**
* AES XCBC 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>
*/
@@ -105,8 +93,7 @@
nx_ctx->op.inlen = (nx_ctx->in_sg - in_sg) * sizeof(struct nx_sg);
nx_ctx->op.outlen = (nx_ctx->out_sg - out_sg) * sizeof(struct nx_sg);
- rc = nx_hcall_sync(nx_ctx, &nx_ctx->op,
- desc->flags & CRYPTO_TFM_REQ_MAY_SLEEP);
+ rc = nx_hcall_sync(nx_ctx, &nx_ctx->op, 0);
if (rc)
goto out;
atomic_inc(&(nx_ctx->stats->aes_ops));
@@ -134,8 +121,7 @@
nx_ctx->op.inlen = (nx_ctx->in_sg - in_sg) * sizeof(struct nx_sg);
nx_ctx->op.outlen = (nx_ctx->out_sg - out_sg) * sizeof(struct nx_sg);
- rc = nx_hcall_sync(nx_ctx, &nx_ctx->op,
- desc->flags & CRYPTO_TFM_REQ_MAY_SLEEP);
+ rc = nx_hcall_sync(nx_ctx, &nx_ctx->op, 0);
if (rc)
goto out;
atomic_inc(&(nx_ctx->stats->aes_ops));
@@ -279,8 +265,7 @@
goto out;
}
- rc = nx_hcall_sync(nx_ctx, &nx_ctx->op,
- desc->flags & CRYPTO_TFM_REQ_MAY_SLEEP);
+ rc = nx_hcall_sync(nx_ctx, &nx_ctx->op, 0);
if (rc)
goto out;
@@ -361,8 +346,7 @@
goto out;
}
- rc = nx_hcall_sync(nx_ctx, &nx_ctx->op,
- desc->flags & CRYPTO_TFM_REQ_MAY_SLEEP);
+ rc = nx_hcall_sync(nx_ctx, &nx_ctx->op, 0);
if (rc)
goto out;
diff --git a/drivers/crypto/nx/nx-sha256.c b/drivers/crypto/nx/nx-sha256.c
index a6764af..02fb534 100644
--- a/drivers/crypto/nx/nx-sha256.c
+++ b/drivers/crypto/nx/nx-sha256.c
@@ -1,21 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/**
* SHA-256 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>
*/
@@ -162,8 +150,7 @@
goto out;
}
- rc = nx_hcall_sync(nx_ctx, &nx_ctx->op,
- desc->flags & CRYPTO_TFM_REQ_MAY_SLEEP);
+ rc = nx_hcall_sync(nx_ctx, &nx_ctx->op, 0);
if (rc)
goto out;
@@ -243,8 +230,7 @@
goto out;
}
- rc = nx_hcall_sync(nx_ctx, &nx_ctx->op,
- desc->flags & CRYPTO_TFM_REQ_MAY_SLEEP);
+ rc = nx_hcall_sync(nx_ctx, &nx_ctx->op, 0);
if (rc)
goto out;
diff --git a/drivers/crypto/nx/nx-sha512.c b/drivers/crypto/nx/nx-sha512.c
index 92956bc..4c7a3e3 100644
--- a/drivers/crypto/nx/nx-sha512.c
+++ b/drivers/crypto/nx/nx-sha512.c
@@ -1,21 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/**
* SHA-512 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>
*/
@@ -166,8 +154,7 @@
goto out;
}
- rc = nx_hcall_sync(nx_ctx, &nx_ctx->op,
- desc->flags & CRYPTO_TFM_REQ_MAY_SLEEP);
+ rc = nx_hcall_sync(nx_ctx, &nx_ctx->op, 0);
if (rc)
goto out;
@@ -249,8 +236,7 @@
goto out;
}
- rc = nx_hcall_sync(nx_ctx, &nx_ctx->op,
- desc->flags & CRYPTO_TFM_REQ_MAY_SLEEP);
+ rc = nx_hcall_sync(nx_ctx, &nx_ctx->op, 0);
if (rc)
goto out;
diff --git a/drivers/crypto/nx/nx.c b/drivers/crypto/nx/nx.c
index 3a5e31b..2881788 100644
--- a/drivers/crypto/nx/nx.c
+++ b/drivers/crypto/nx/nx.c
@@ -1,21 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/**
* 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>
*/
@@ -581,9 +569,7 @@
memset(&nx_driver.stats, 0, sizeof(struct nx_stats));
- rc = NX_DEBUGFS_INIT(&nx_driver);
- if (rc)
- goto out;
+ NX_DEBUGFS_INIT(&nx_driver);
nx_driver.of.status = NX_OKAY;
diff --git a/drivers/crypto/nx/nx.h b/drivers/crypto/nx/nx.h
index c3e54af..7ecca16 100644
--- a/drivers/crypto/nx/nx.h
+++ b/drivers/crypto/nx/nx.h
@@ -9,9 +9,6 @@
#define NX_STRING "IBM Power7+ Nest Accelerator Crypto Driver"
#define NX_VERSION "1.0"
-static const char nx_driver_string[] = NX_STRING;
-static const char nx_driver_version[] = NX_VERSION;
-
/* a scatterlist in the format PHYP is expecting */
struct nx_sg {
u64 addr;
@@ -76,20 +73,12 @@
atomic_t last_error_pid;
};
-struct nx_debugfs {
- struct dentry *dfs_root;
- struct dentry *dfs_aes_ops, *dfs_aes_bytes;
- struct dentry *dfs_sha256_ops, *dfs_sha256_bytes;
- struct dentry *dfs_sha512_ops, *dfs_sha512_bytes;
- struct dentry *dfs_errors, *dfs_last_error, *dfs_last_error_pid;
-};
-
struct nx_crypto_driver {
struct nx_stats stats;
struct nx_of of;
struct vio_dev *viodev;
struct vio_driver viodriver;
- struct nx_debugfs dfs;
+ struct dentry *dfs_root;
};
#define NX_GCM4106_NONCE_LEN (4)
@@ -177,7 +166,7 @@
#define NX_DEBUGFS_INIT(drv) nx_debugfs_init(drv)
#define NX_DEBUGFS_FINI(drv) nx_debugfs_fini(drv)
-int nx_debugfs_init(struct nx_crypto_driver *);
+void nx_debugfs_init(struct nx_crypto_driver *);
void nx_debugfs_fini(struct nx_crypto_driver *);
#else
#define NX_DEBUGFS_INIT(drv) (0)
diff --git a/drivers/crypto/nx/nx_debugfs.c b/drivers/crypto/nx/nx_debugfs.c
index 7ab2e8d..e0d44a5 100644
--- a/drivers/crypto/nx/nx_debugfs.c
+++ b/drivers/crypto/nx/nx_debugfs.c
@@ -1,21 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/**
* 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>
*/
@@ -42,62 +30,37 @@
* Documentation/ABI/testing/debugfs-pfo-nx-crypto
*/
-int nx_debugfs_init(struct nx_crypto_driver *drv)
+void nx_debugfs_init(struct nx_crypto_driver *drv)
{
- struct nx_debugfs *dfs = &drv->dfs;
+ struct dentry *root;
- dfs->dfs_root = debugfs_create_dir(NX_NAME, NULL);
+ root = debugfs_create_dir(NX_NAME, NULL);
+ drv->dfs_root = root;
- 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;
+ debugfs_create_u32("aes_ops", S_IRUSR | S_IRGRP | S_IROTH,
+ root, (u32 *)&drv->stats.aes_ops);
+ debugfs_create_u32("sha256_ops", S_IRUSR | S_IRGRP | S_IROTH,
+ root, (u32 *)&drv->stats.sha256_ops);
+ debugfs_create_u32("sha512_ops", S_IRUSR | S_IRGRP | S_IROTH,
+ root, (u32 *)&drv->stats.sha512_ops);
+ debugfs_create_u64("aes_bytes", S_IRUSR | S_IRGRP | S_IROTH,
+ root, (u64 *)&drv->stats.aes_bytes);
+ debugfs_create_u64("sha256_bytes", S_IRUSR | S_IRGRP | S_IROTH,
+ root, (u64 *)&drv->stats.sha256_bytes);
+ debugfs_create_u64("sha512_bytes", S_IRUSR | S_IRGRP | S_IROTH,
+ root, (u64 *)&drv->stats.sha512_bytes);
+ debugfs_create_u32("errors", S_IRUSR | S_IRGRP | S_IROTH,
+ root, (u32 *)&drv->stats.errors);
+ debugfs_create_u32("last_error", S_IRUSR | S_IRGRP | S_IROTH,
+ root, (u32 *)&drv->stats.last_error);
+ debugfs_create_u32("last_error_pid", S_IRUSR | S_IRGRP | S_IROTH,
+ root, (u32 *)&drv->stats.last_error_pid);
}
void
nx_debugfs_fini(struct nx_crypto_driver *drv)
{
- debugfs_remove_recursive(drv->dfs.dfs_root);
+ debugfs_remove_recursive(drv->dfs_root);
}
#endif