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authornbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>2010-06-26 20:42:58 +0000
committernbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>2010-06-26 20:42:58 +0000
commitc5552ad03973839d83d32d7108f20c00f192633b (patch)
treede32e4def600e56134cd085a7447cb6620542078 /target/linux/generic/files/crypto/ocf/safe
parent7ec88f88f4c65a22b3b7e32ef87cb42dcb32a6fb (diff)
rename target/linux/generic-2.6 to generic
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@21952 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/generic/files/crypto/ocf/safe')
-rw-r--r--target/linux/generic/files/crypto/ocf/safe/Makefile12
-rw-r--r--target/linux/generic/files/crypto/ocf/safe/md5.c308
-rw-r--r--target/linux/generic/files/crypto/ocf/safe/md5.h76
-rw-r--r--target/linux/generic/files/crypto/ocf/safe/safe.c2288
-rw-r--r--target/linux/generic/files/crypto/ocf/safe/safereg.h421
-rw-r--r--target/linux/generic/files/crypto/ocf/safe/safevar.h230
-rw-r--r--target/linux/generic/files/crypto/ocf/safe/sha1.c279
-rw-r--r--target/linux/generic/files/crypto/ocf/safe/sha1.h72
8 files changed, 3686 insertions, 0 deletions
diff --git a/target/linux/generic/files/crypto/ocf/safe/Makefile b/target/linux/generic/files/crypto/ocf/safe/Makefile
new file mode 100644
index 0000000000..9a36b081e5
--- /dev/null
+++ b/target/linux/generic/files/crypto/ocf/safe/Makefile
@@ -0,0 +1,12 @@
+# for SGlinux builds
+-include $(ROOTDIR)/modules/.config
+
+obj-$(CONFIG_OCF_SAFE) += safe.o
+
+obj ?= .
+EXTRA_CFLAGS += -I$(obj)/.. -I$(obj)/
+
+ifdef TOPDIR
+-include $(TOPDIR)/Rules.make
+endif
+
diff --git a/target/linux/generic/files/crypto/ocf/safe/md5.c b/target/linux/generic/files/crypto/ocf/safe/md5.c
new file mode 100644
index 0000000000..077c42e787
--- /dev/null
+++ b/target/linux/generic/files/crypto/ocf/safe/md5.c
@@ -0,0 +1,308 @@
+/* $KAME: md5.c,v 1.5 2000/11/08 06:13:08 itojun Exp $ */
+/*
+ * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the project nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#if 0
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD: src/sys/crypto/md5.c,v 1.9 2004/01/27 19:49:19 des Exp $");
+
+#include <sys/types.h>
+#include <sys/cdefs.h>
+#include <sys/time.h>
+#include <sys/systm.h>
+#include <crypto/md5.h>
+#endif
+
+#define SHIFT(X, s) (((X) << (s)) | ((X) >> (32 - (s))))
+
+#define F(X, Y, Z) (((X) & (Y)) | ((~X) & (Z)))
+#define G(X, Y, Z) (((X) & (Z)) | ((Y) & (~Z)))
+#define H(X, Y, Z) ((X) ^ (Y) ^ (Z))
+#define I(X, Y, Z) ((Y) ^ ((X) | (~Z)))
+
+#define ROUND1(a, b, c, d, k, s, i) { \
+ (a) = (a) + F((b), (c), (d)) + X[(k)] + T[(i)]; \
+ (a) = SHIFT((a), (s)); \
+ (a) = (b) + (a); \
+}
+
+#define ROUND2(a, b, c, d, k, s, i) { \
+ (a) = (a) + G((b), (c), (d)) + X[(k)] + T[(i)]; \
+ (a) = SHIFT((a), (s)); \
+ (a) = (b) + (a); \
+}
+
+#define ROUND3(a, b, c, d, k, s, i) { \
+ (a) = (a) + H((b), (c), (d)) + X[(k)] + T[(i)]; \
+ (a) = SHIFT((a), (s)); \
+ (a) = (b) + (a); \
+}
+
+#define ROUND4(a, b, c, d, k, s, i) { \
+ (a) = (a) + I((b), (c), (d)) + X[(k)] + T[(i)]; \
+ (a) = SHIFT((a), (s)); \
+ (a) = (b) + (a); \
+}
+
+#define Sa 7
+#define Sb 12
+#define Sc 17
+#define Sd 22
+
+#define Se 5
+#define Sf 9
+#define Sg 14
+#define Sh 20
+
+#define Si 4
+#define Sj 11
+#define Sk 16
+#define Sl 23
+
+#define Sm 6
+#define Sn 10
+#define So 15
+#define Sp 21
+
+#define MD5_A0 0x67452301
+#define MD5_B0 0xefcdab89
+#define MD5_C0 0x98badcfe
+#define MD5_D0 0x10325476
+
+/* Integer part of 4294967296 times abs(sin(i)), where i is in radians. */
+static const u_int32_t T[65] = {
+ 0,
+ 0xd76aa478, 0xe8c7b756, 0x242070db, 0xc1bdceee,
+ 0xf57c0faf, 0x4787c62a, 0xa8304613, 0xfd469501,
+ 0x698098d8, 0x8b44f7af, 0xffff5bb1, 0x895cd7be,
+ 0x6b901122, 0xfd987193, 0xa679438e, 0x49b40821,
+
+ 0xf61e2562, 0xc040b340, 0x265e5a51, 0xe9b6c7aa,
+ 0xd62f105d, 0x2441453, 0xd8a1e681, 0xe7d3fbc8,
+ 0x21e1cde6, 0xc33707d6, 0xf4d50d87, 0x455a14ed,
+ 0xa9e3e905, 0xfcefa3f8, 0x676f02d9, 0x8d2a4c8a,
+
+ 0xfffa3942, 0x8771f681, 0x6d9d6122, 0xfde5380c,
+ 0xa4beea44, 0x4bdecfa9, 0xf6bb4b60, 0xbebfbc70,
+ 0x289b7ec6, 0xeaa127fa, 0xd4ef3085, 0x4881d05,
+ 0xd9d4d039, 0xe6db99e5, 0x1fa27cf8, 0xc4ac5665,
+
+ 0xf4292244, 0x432aff97, 0xab9423a7, 0xfc93a039,
+ 0x655b59c3, 0x8f0ccc92, 0xffeff47d, 0x85845dd1,
+ 0x6fa87e4f, 0xfe2ce6e0, 0xa3014314, 0x4e0811a1,
+ 0xf7537e82, 0xbd3af235, 0x2ad7d2bb, 0xeb86d391,
+};
+
+static const u_int8_t md5_paddat[MD5_BUFLEN] = {
+ 0x80, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0,
+};
+
+static void md5_calc(u_int8_t *, md5_ctxt *);
+
+void md5_init(ctxt)
+ md5_ctxt *ctxt;
+{
+ ctxt->md5_n = 0;
+ ctxt->md5_i = 0;
+ ctxt->md5_sta = MD5_A0;
+ ctxt->md5_stb = MD5_B0;
+ ctxt->md5_stc = MD5_C0;
+ ctxt->md5_std = MD5_D0;
+ bzero(ctxt->md5_buf, sizeof(ctxt->md5_buf));
+}
+
+void md5_loop(ctxt, input, len)
+ md5_ctxt *ctxt;
+ u_int8_t *input;
+ u_int len; /* number of bytes */
+{
+ u_int gap, i;
+
+ ctxt->md5_n += len * 8; /* byte to bit */
+ gap = MD5_BUFLEN - ctxt->md5_i;
+
+ if (len >= gap) {
+ bcopy((void *)input, (void *)(ctxt->md5_buf + ctxt->md5_i),
+ gap);
+ md5_calc(ctxt->md5_buf, ctxt);
+
+ for (i = gap; i + MD5_BUFLEN <= len; i += MD5_BUFLEN) {
+ md5_calc((u_int8_t *)(input + i), ctxt);
+ }
+
+ ctxt->md5_i = len - i;
+ bcopy((void *)(input + i), (void *)ctxt->md5_buf, ctxt->md5_i);
+ } else {
+ bcopy((void *)input, (void *)(ctxt->md5_buf + ctxt->md5_i),
+ len);
+ ctxt->md5_i += len;
+ }
+}
+
+void md5_pad(ctxt)
+ md5_ctxt *ctxt;
+{
+ u_int gap;
+
+ /* Don't count up padding. Keep md5_n. */
+ gap = MD5_BUFLEN - ctxt->md5_i;
+ if (gap > 8) {
+ bcopy(md5_paddat,
+ (void *)(ctxt->md5_buf + ctxt->md5_i),
+ gap - sizeof(ctxt->md5_n));
+ } else {
+ /* including gap == 8 */
+ bcopy(md5_paddat, (void *)(ctxt->md5_buf + ctxt->md5_i),
+ gap);
+ md5_calc(ctxt->md5_buf, ctxt);
+ bcopy((md5_paddat + gap),
+ (void *)ctxt->md5_buf,
+ MD5_BUFLEN - sizeof(ctxt->md5_n));
+ }
+
+ /* 8 byte word */
+#if BYTE_ORDER == LITTLE_ENDIAN
+ bcopy(&ctxt->md5_n8[0], &ctxt->md5_buf[56], 8);
+#endif
+#if BYTE_ORDER == BIG_ENDIAN
+ ctxt->md5_buf[56] = ctxt->md5_n8[7];
+ ctxt->md5_buf[57] = ctxt->md5_n8[6];
+ ctxt->md5_buf[58] = ctxt->md5_n8[5];
+ ctxt->md5_buf[59] = ctxt->md5_n8[4];
+ ctxt->md5_buf[60] = ctxt->md5_n8[3];
+ ctxt->md5_buf[61] = ctxt->md5_n8[2];
+ ctxt->md5_buf[62] = ctxt->md5_n8[1];
+ ctxt->md5_buf[63] = ctxt->md5_n8[0];
+#endif
+
+ md5_calc(ctxt->md5_buf, ctxt);
+}
+
+void md5_result(digest, ctxt)
+ u_int8_t *digest;
+ md5_ctxt *ctxt;
+{
+ /* 4 byte words */
+#if BYTE_ORDER == LITTLE_ENDIAN
+ bcopy(&ctxt->md5_st8[0], digest, 16);
+#endif
+#if BYTE_ORDER == BIG_ENDIAN
+ digest[ 0] = ctxt->md5_st8[ 3]; digest[ 1] = ctxt->md5_st8[ 2];
+ digest[ 2] = ctxt->md5_st8[ 1]; digest[ 3] = ctxt->md5_st8[ 0];
+ digest[ 4] = ctxt->md5_st8[ 7]; digest[ 5] = ctxt->md5_st8[ 6];
+ digest[ 6] = ctxt->md5_st8[ 5]; digest[ 7] = ctxt->md5_st8[ 4];
+ digest[ 8] = ctxt->md5_st8[11]; digest[ 9] = ctxt->md5_st8[10];
+ digest[10] = ctxt->md5_st8[ 9]; digest[11] = ctxt->md5_st8[ 8];
+ digest[12] = ctxt->md5_st8[15]; digest[13] = ctxt->md5_st8[14];
+ digest[14] = ctxt->md5_st8[13]; digest[15] = ctxt->md5_st8[12];
+#endif
+}
+
+static void md5_calc(b64, ctxt)
+ u_int8_t *b64;
+ md5_ctxt *ctxt;
+{
+ u_int32_t A = ctxt->md5_sta;
+ u_int32_t B = ctxt->md5_stb;
+ u_int32_t C = ctxt->md5_stc;
+ u_int32_t D = ctxt->md5_std;
+#if BYTE_ORDER == LITTLE_ENDIAN
+ u_int32_t *X = (u_int32_t *)b64;
+#endif
+#if BYTE_ORDER == BIG_ENDIAN
+ /* 4 byte words */
+ /* what a brute force but fast! */
+ u_int32_t X[16];
+ u_int8_t *y = (u_int8_t *)X;
+ y[ 0] = b64[ 3]; y[ 1] = b64[ 2]; y[ 2] = b64[ 1]; y[ 3] = b64[ 0];
+ y[ 4] = b64[ 7]; y[ 5] = b64[ 6]; y[ 6] = b64[ 5]; y[ 7] = b64[ 4];
+ y[ 8] = b64[11]; y[ 9] = b64[10]; y[10] = b64[ 9]; y[11] = b64[ 8];
+ y[12] = b64[15]; y[13] = b64[14]; y[14] = b64[13]; y[15] = b64[12];
+ y[16] = b64[19]; y[17] = b64[18]; y[18] = b64[17]; y[19] = b64[16];
+ y[20] = b64[23]; y[21] = b64[22]; y[22] = b64[21]; y[23] = b64[20];
+ y[24] = b64[27]; y[25] = b64[26]; y[26] = b64[25]; y[27] = b64[24];
+ y[28] = b64[31]; y[29] = b64[30]; y[30] = b64[29]; y[31] = b64[28];
+ y[32] = b64[35]; y[33] = b64[34]; y[34] = b64[33]; y[35] = b64[32];
+ y[36] = b64[39]; y[37] = b64[38]; y[38] = b64[37]; y[39] = b64[36];
+ y[40] = b64[43]; y[41] = b64[42]; y[42] = b64[41]; y[43] = b64[40];
+ y[44] = b64[47]; y[45] = b64[46]; y[46] = b64[45]; y[47] = b64[44];
+ y[48] = b64[51]; y[49] = b64[50]; y[50] = b64[49]; y[51] = b64[48];
+ y[52] = b64[55]; y[53] = b64[54]; y[54] = b64[53]; y[55] = b64[52];
+ y[56] = b64[59]; y[57] = b64[58]; y[58] = b64[57]; y[59] = b64[56];
+ y[60] = b64[63]; y[61] = b64[62]; y[62] = b64[61]; y[63] = b64[60];
+#endif
+
+ ROUND1(A, B, C, D, 0, Sa, 1); ROUND1(D, A, B, C, 1, Sb, 2);
+ ROUND1(C, D, A, B, 2, Sc, 3); ROUND1(B, C, D, A, 3, Sd, 4);
+ ROUND1(A, B, C, D, 4, Sa, 5); ROUND1(D, A, B, C, 5, Sb, 6);
+ ROUND1(C, D, A, B, 6, Sc, 7); ROUND1(B, C, D, A, 7, Sd, 8);
+ ROUND1(A, B, C, D, 8, Sa, 9); ROUND1(D, A, B, C, 9, Sb, 10);
+ ROUND1(C, D, A, B, 10, Sc, 11); ROUND1(B, C, D, A, 11, Sd, 12);
+ ROUND1(A, B, C, D, 12, Sa, 13); ROUND1(D, A, B, C, 13, Sb, 14);
+ ROUND1(C, D, A, B, 14, Sc, 15); ROUND1(B, C, D, A, 15, Sd, 16);
+
+ ROUND2(A, B, C, D, 1, Se, 17); ROUND2(D, A, B, C, 6, Sf, 18);
+ ROUND2(C, D, A, B, 11, Sg, 19); ROUND2(B, C, D, A, 0, Sh, 20);
+ ROUND2(A, B, C, D, 5, Se, 21); ROUND2(D, A, B, C, 10, Sf, 22);
+ ROUND2(C, D, A, B, 15, Sg, 23); ROUND2(B, C, D, A, 4, Sh, 24);
+ ROUND2(A, B, C, D, 9, Se, 25); ROUND2(D, A, B, C, 14, Sf, 26);
+ ROUND2(C, D, A, B, 3, Sg, 27); ROUND2(B, C, D, A, 8, Sh, 28);
+ ROUND2(A, B, C, D, 13, Se, 29); ROUND2(D, A, B, C, 2, Sf, 30);
+ ROUND2(C, D, A, B, 7, Sg, 31); ROUND2(B, C, D, A, 12, Sh, 32);
+
+ ROUND3(A, B, C, D, 5, Si, 33); ROUND3(D, A, B, C, 8, Sj, 34);
+ ROUND3(C, D, A, B, 11, Sk, 35); ROUND3(B, C, D, A, 14, Sl, 36);
+ ROUND3(A, B, C, D, 1, Si, 37); ROUND3(D, A, B, C, 4, Sj, 38);
+ ROUND3(C, D, A, B, 7, Sk, 39); ROUND3(B, C, D, A, 10, Sl, 40);
+ ROUND3(A, B, C, D, 13, Si, 41); ROUND3(D, A, B, C, 0, Sj, 42);
+ ROUND3(C, D, A, B, 3, Sk, 43); ROUND3(B, C, D, A, 6, Sl, 44);
+ ROUND3(A, B, C, D, 9, Si, 45); ROUND3(D, A, B, C, 12, Sj, 46);
+ ROUND3(C, D, A, B, 15, Sk, 47); ROUND3(B, C, D, A, 2, Sl, 48);
+
+ ROUND4(A, B, C, D, 0, Sm, 49); ROUND4(D, A, B, C, 7, Sn, 50);
+ ROUND4(C, D, A, B, 14, So, 51); ROUND4(B, C, D, A, 5, Sp, 52);
+ ROUND4(A, B, C, D, 12, Sm, 53); ROUND4(D, A, B, C, 3, Sn, 54);
+ ROUND4(C, D, A, B, 10, So, 55); ROUND4(B, C, D, A, 1, Sp, 56);
+ ROUND4(A, B, C, D, 8, Sm, 57); ROUND4(D, A, B, C, 15, Sn, 58);
+ ROUND4(C, D, A, B, 6, So, 59); ROUND4(B, C, D, A, 13, Sp, 60);
+ ROUND4(A, B, C, D, 4, Sm, 61); ROUND4(D, A, B, C, 11, Sn, 62);
+ ROUND4(C, D, A, B, 2, So, 63); ROUND4(B, C, D, A, 9, Sp, 64);
+
+ ctxt->md5_sta += A;
+ ctxt->md5_stb += B;
+ ctxt->md5_stc += C;
+ ctxt->md5_std += D;
+}
diff --git a/target/linux/generic/files/crypto/ocf/safe/md5.h b/target/linux/generic/files/crypto/ocf/safe/md5.h
new file mode 100644
index 0000000000..690f5bfc11
--- /dev/null
+++ b/target/linux/generic/files/crypto/ocf/safe/md5.h
@@ -0,0 +1,76 @@
+/* $FreeBSD: src/sys/crypto/md5.h,v 1.4 2002/03/20 05:13:50 alfred Exp $ */
+/* $KAME: md5.h,v 1.4 2000/03/27 04:36:22 sumikawa Exp $ */
+
+/*
+ * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the project nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef _NETINET6_MD5_H_
+#define _NETINET6_MD5_H_
+
+#define MD5_BUFLEN 64
+
+typedef struct {
+ union {
+ u_int32_t md5_state32[4];
+ u_int8_t md5_state8[16];
+ } md5_st;
+
+#define md5_sta md5_st.md5_state32[0]
+#define md5_stb md5_st.md5_state32[1]
+#define md5_stc md5_st.md5_state32[2]
+#define md5_std md5_st.md5_state32[3]
+#define md5_st8 md5_st.md5_state8
+
+ union {
+ u_int64_t md5_count64;
+ u_int8_t md5_count8[8];
+ } md5_count;
+#define md5_n md5_count.md5_count64
+#define md5_n8 md5_count.md5_count8
+
+ u_int md5_i;
+ u_int8_t md5_buf[MD5_BUFLEN];
+} md5_ctxt;
+
+extern void md5_init(md5_ctxt *);
+extern void md5_loop(md5_ctxt *, u_int8_t *, u_int);
+extern void md5_pad(md5_ctxt *);
+extern void md5_result(u_int8_t *, md5_ctxt *);
+
+/* compatibility */
+#define MD5_CTX md5_ctxt
+#define MD5Init(x) md5_init((x))
+#define MD5Update(x, y, z) md5_loop((x), (y), (z))
+#define MD5Final(x, y) \
+do { \
+ md5_pad((y)); \
+ md5_result((x), (y)); \
+} while (0)
+
+#endif /* ! _NETINET6_MD5_H_*/
diff --git a/target/linux/generic/files/crypto/ocf/safe/safe.c b/target/linux/generic/files/crypto/ocf/safe/safe.c
new file mode 100644
index 0000000000..7e65101769
--- /dev/null
+++ b/target/linux/generic/files/crypto/ocf/safe/safe.c
@@ -0,0 +1,2288 @@
+/*-
+ * Linux port done by David McCullough <david_mccullough@mcafee.com>
+ * Copyright (C) 2004-2010 David McCullough
+ * The license and original author are listed below.
+ *
+ * Copyright (c) 2003 Sam Leffler, Errno Consulting
+ * Copyright (c) 2003 Global Technology Associates, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+__FBSDID("$FreeBSD: src/sys/dev/safe/safe.c,v 1.18 2007/03/21 03:42:50 sam Exp $");
+ */
+
+#ifndef AUTOCONF_INCLUDED
+#include <linux/config.h>
+#endif
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/list.h>
+#include <linux/slab.h>
+#include <linux/wait.h>
+#include <linux/sched.h>
+#include <linux/pci.h>
+#include <linux/delay.h>
+#include <linux/interrupt.h>
+#include <linux/spinlock.h>
+#include <linux/random.h>
+#include <linux/version.h>
+#include <linux/skbuff.h>
+#include <asm/io.h>
+
+/*
+ * SafeNet SafeXcel-1141 hardware crypto accelerator
+ */
+
+#include <cryptodev.h>
+#include <uio.h>
+#include <safe/safereg.h>
+#include <safe/safevar.h>
+
+#if 1
+#define DPRINTF(a) do { \
+ if (debug) { \
+ printk("%s: ", sc ? \
+ device_get_nameunit(sc->sc_dev) : "safe"); \
+ printk a; \
+ } \
+ } while (0)
+#else
+#define DPRINTF(a)
+#endif
+
+/*
+ * until we find a cleaner way, include the BSD md5/sha1 code
+ * here
+ */
+#define HMAC_HACK 1
+#ifdef HMAC_HACK
+#define LITTLE_ENDIAN 1234
+#define BIG_ENDIAN 4321
+#ifdef __LITTLE_ENDIAN
+#define BYTE_ORDER LITTLE_ENDIAN
+#endif
+#ifdef __BIG_ENDIAN
+#define BYTE_ORDER BIG_ENDIAN
+#endif
+#include <safe/md5.h>
+#include <safe/md5.c>
+#include <safe/sha1.h>
+#include <safe/sha1.c>
+
+u_int8_t hmac_ipad_buffer[64] = {
+ 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,
+ 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,
+ 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,
+ 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,
+ 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,
+ 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,
+ 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,
+ 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36
+};
+
+u_int8_t hmac_opad_buffer[64] = {
+ 0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C,
+ 0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C,
+ 0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C,
+ 0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C,
+ 0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C,
+ 0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C,
+ 0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C,
+ 0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C
+};
+#endif /* HMAC_HACK */
+
+/* add proc entry for this */
+struct safe_stats safestats;
+
+#define debug safe_debug
+int safe_debug = 0;
+module_param(safe_debug, int, 0644);
+MODULE_PARM_DESC(safe_debug, "Enable debug");
+
+static void safe_callback(struct safe_softc *, struct safe_ringentry *);
+static void safe_feed(struct safe_softc *, struct safe_ringentry *);
+#if defined(CONFIG_OCF_RANDOMHARVEST) && !defined(SAFE_NO_RNG)
+static void safe_rng_init(struct safe_softc *);
+int safe_rngbufsize = 8; /* 32 bytes each read */
+module_param(safe_rngbufsize, int, 0644);
+MODULE_PARM_DESC(safe_rngbufsize, "RNG polling buffer size (32-bit words)");
+int safe_rngmaxalarm = 8; /* max alarms before reset */
+module_param(safe_rngmaxalarm, int, 0644);
+MODULE_PARM_DESC(safe_rngmaxalarm, "RNG max alarms before reset");
+#endif /* SAFE_NO_RNG */
+
+static void safe_totalreset(struct safe_softc *sc);
+static int safe_dmamap_aligned(struct safe_softc *sc, const struct safe_operand *op);
+static int safe_dmamap_uniform(struct safe_softc *sc, const struct safe_operand *op);
+static int safe_free_entry(struct safe_softc *sc, struct safe_ringentry *re);
+static int safe_kprocess(device_t dev, struct cryptkop *krp, int hint);
+static int safe_kstart(struct safe_softc *sc);
+static int safe_ksigbits(struct safe_softc *sc, struct crparam *cr);
+static void safe_kfeed(struct safe_softc *sc);
+static void safe_kpoll(unsigned long arg);
+static void safe_kload_reg(struct safe_softc *sc, u_int32_t off,
+ u_int32_t len, struct crparam *n);
+
+static int safe_newsession(device_t, u_int32_t *, struct cryptoini *);
+static int safe_freesession(device_t, u_int64_t);
+static int safe_process(device_t, struct cryptop *, int);
+
+static device_method_t safe_methods = {
+ /* crypto device methods */
+ DEVMETHOD(cryptodev_newsession, safe_newsession),
+ DEVMETHOD(cryptodev_freesession,safe_freesession),
+ DEVMETHOD(cryptodev_process, safe_process),
+ DEVMETHOD(cryptodev_kprocess, safe_kprocess),
+};
+
+#define READ_REG(sc,r) readl((sc)->sc_base_addr + (r))
+#define WRITE_REG(sc,r,val) writel((val), (sc)->sc_base_addr + (r))
+
+#define SAFE_MAX_CHIPS 8
+static struct safe_softc *safe_chip_idx[SAFE_MAX_CHIPS];
+
+/*
+ * split our buffers up into safe DMAable byte fragments to avoid lockup
+ * bug in 1141 HW on rev 1.0.
+ */
+
+static int
+pci_map_linear(
+ struct safe_softc *sc,
+ struct safe_operand *buf,
+ void *addr,
+ int len)
+{
+ dma_addr_t tmp;
+ int chunk, tlen = len;
+
+ tmp = pci_map_single(sc->sc_pcidev, addr, len, PCI_DMA_BIDIRECTIONAL);
+
+ buf->mapsize += len;
+ while (len > 0) {
+ chunk = (len > sc->sc_max_dsize) ? sc->sc_max_dsize : len;
+ buf->segs[buf->nsegs].ds_addr = tmp;
+ buf->segs[buf->nsegs].ds_len = chunk;
+ buf->segs[buf->nsegs].ds_tlen = tlen;
+ buf->nsegs++;
+ tmp += chunk;
+ len -= chunk;
+ tlen = 0;
+ }
+ return 0;
+}
+
+/*
+ * map in a given uio buffer (great on some arches :-)
+ */
+
+static int
+pci_map_uio(struct safe_softc *sc, struct safe_operand *buf, struct uio *uio)
+{
+ struct iovec *iov = uio->uio_iov;
+ int n;
+
+ DPRINTF(("%s()\n", __FUNCTION__));
+
+ buf->mapsize = 0;
+ buf->nsegs = 0;
+
+ for (n = 0; n < uio->uio_iovcnt; n++) {
+ pci_map_linear(sc, buf, iov->iov_base, iov->iov_len);
+ iov++;
+ }
+
+ /* identify this buffer by the first segment */
+ buf->map = (void *) buf->segs[0].ds_addr;
+ return(0);
+}
+
+/*
+ * map in a given sk_buff
+ */
+
+static int
+pci_map_skb(struct safe_softc *sc,struct safe_operand *buf,struct sk_buff *skb)
+{
+ int i;
+
+ DPRINTF(("%s()\n", __FUNCTION__));
+
+ buf->mapsize = 0;
+ buf->nsegs = 0;
+
+ pci_map_linear(sc, buf, skb->data, skb_headlen(skb));
+
+ for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
+ pci_map_linear(sc, buf,
+ page_address(skb_shinfo(skb)->frags[i].page) +
+ skb_shinfo(skb)->frags[i].page_offset,
+ skb_shinfo(skb)->frags[i].size);
+ }
+
+ /* identify this buffer by the first segment */
+ buf->map = (void *) buf->segs[0].ds_addr;
+ return(0);
+}
+
+
+#if 0 /* not needed at this time */
+static void
+pci_sync_operand(struct safe_softc *sc, struct safe_operand *buf)
+{
+ int i;
+
+ DPRINTF(("%s()\n", __FUNCTION__));
+ for (i = 0; i < buf->nsegs; i++)
+ pci_dma_sync_single_for_cpu(sc->sc_pcidev, buf->segs[i].ds_addr,
+ buf->segs[i].ds_len, PCI_DMA_BIDIRECTIONAL);
+}
+#endif
+
+static void
+pci_unmap_operand(struct safe_softc *sc, struct safe_operand *buf)
+{
+ int i;
+ DPRINTF(("%s()\n", __FUNCTION__));
+ for (i = 0; i < buf->nsegs; i++) {
+ if (buf->segs[i].ds_tlen) {
+ DPRINTF(("%s - unmap %d 0x%x %d\n", __FUNCTION__, i, buf->segs[i].ds_addr, buf->segs[i].ds_tlen));
+ pci_unmap_single(sc->sc_pcidev, buf->segs[i].ds_addr,
+ buf->segs[i].ds_tlen, PCI_DMA_BIDIRECTIONAL);
+ DPRINTF(("%s - unmap %d 0x%x %d done\n", __FUNCTION__, i, buf->segs[i].ds_addr, buf->segs[i].ds_tlen));
+ }
+ buf->segs[i].ds_addr = 0;
+ buf->segs[i].ds_len = 0;
+ buf->segs[i].ds_tlen = 0;
+ }
+ buf->nsegs = 0;
+ buf->mapsize = 0;
+ buf->map = 0;
+}
+
+
+/*
+ * SafeXcel Interrupt routine
+ */
+static irqreturn_t
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,19)
+safe_intr(int irq, void *arg)
+#else
+safe_intr(int irq, void *arg, struct pt_regs *regs)
+#endif
+{
+ struct safe_softc *sc = arg;
+ int stat;
+ unsigned long flags;
+
+ stat = READ_REG(sc, SAFE_HM_STAT);
+
+ DPRINTF(("%s(stat=0x%x)\n", __FUNCTION__, stat));
+
+ if (stat == 0) /* shared irq, not for us */
+ return IRQ_NONE;
+
+ WRITE_REG(sc, SAFE_HI_CLR, stat); /* IACK */
+
+ if ((stat & SAFE_INT_PE_DDONE)) {
+ /*
+ * Descriptor(s) done; scan the ring and
+ * process completed operations.
+ */
+ spin_lock_irqsave(&sc->sc_ringmtx, flags);
+ while (sc->sc_back != sc->sc_front) {
+ struct safe_ringentry *re = sc->sc_back;
+
+#ifdef SAFE_DEBUG
+ if (debug) {
+ safe_dump_ringstate(sc, __func__);
+ safe_dump_request(sc, __func__, re);
+ }
+#endif
+ /*
+ * safe_process marks ring entries that were allocated
+ * but not used with a csr of zero. This insures the
+ * ring front pointer never needs to be set backwards
+ * in the event that an entry is allocated but not used
+ * because of a setup error.
+ */
+ DPRINTF(("%s re->re_desc.d_csr=0x%x\n", __FUNCTION__, re->re_desc.d_csr));
+ if (re->re_desc.d_csr != 0) {
+ if (!SAFE_PE_CSR_IS_DONE(re->re_desc.d_csr)) {
+ DPRINTF(("%s !CSR_IS_DONE\n", __FUNCTION__));
+ break;
+ }
+ if (!SAFE_PE_LEN_IS_DONE(re->re_desc.d_len)) {
+ DPRINTF(("%s !LEN_IS_DONE\n", __FUNCTION__));
+ break;
+ }
+ sc->sc_nqchip--;
+ safe_callback(sc, re);
+ }
+ if (++(sc->sc_back) == sc->sc_ringtop)
+ sc->sc_back = sc->sc_ring;
+ }
+ spin_unlock_irqrestore(&sc->sc_ringmtx, flags);
+ }
+
+ /*
+ * Check to see if we got any DMA Error
+ */
+ if (stat & SAFE_INT_PE_ERROR) {
+ printk("%s: dmaerr dmastat %08x\n", device_get_nameunit(sc->sc_dev),
+ (int)READ_REG(sc, SAFE_PE_DMASTAT));
+ safestats.st_dmaerr++;
+ safe_totalreset(sc);
+#if 0
+ safe_feed(sc);
+#endif
+ }
+
+ if (sc->sc_needwakeup) { /* XXX check high watermark */
+ int wakeup = sc->sc_needwakeup & (CRYPTO_SYMQ|CRYPTO_ASYMQ);
+ DPRINTF(("%s: wakeup crypto %x\n", __func__,
+ sc->sc_needwakeup));
+ sc->sc_needwakeup &= ~wakeup;
+ crypto_unblock(sc->sc_cid, wakeup);
+ }
+
+ return IRQ_HANDLED;
+}
+
+/*
+ * safe_feed() - post a request to chip
+ */
+static void
+safe_feed(struct safe_softc *sc, struct safe_ringentry *re)
+{
+ DPRINTF(("%s()\n", __FUNCTION__));
+#ifdef SAFE_DEBUG
+ if (debug) {
+ safe_dump_ringstate(sc, __func__);
+ safe_dump_request(sc, __func__, re);
+ }
+#endif
+ sc->sc_nqchip++;
+ if (sc->sc_nqchip > safestats.st_maxqchip)
+ safestats.st_maxqchip = sc->sc_nqchip;
+ /* poke h/w to check descriptor ring, any value can be written */
+ WRITE_REG(sc, SAFE_HI_RD_DESCR, 0);
+}
+
+#define N(a) (sizeof(a) / sizeof (a[0]))
+static void
+safe_setup_enckey(struct safe_session *ses, caddr_t key)
+{
+ int i;
+
+ bcopy(key, ses->ses_key, ses->ses_klen / 8);
+
+ /* PE is little-endian, insure proper byte order */
+ for (i = 0; i < N(ses->ses_key); i++)
+ ses->ses_key[i] = htole32(ses->ses_key[i]);
+}
+
+static void
+safe_setup_mackey(struct safe_session *ses, int algo, caddr_t key, int klen)
+{
+#ifdef HMAC_HACK
+ MD5_CTX md5ctx;
+ SHA1_CTX sha1ctx;
+ int i;
+
+
+ for (i = 0; i < klen; i++)
+ key[i] ^= HMAC_IPAD_VAL;
+
+ if (algo == CRYPTO_MD5_HMAC) {
+ MD5Init(&md5ctx);
+ MD5Update(&md5ctx, key, klen);
+ MD5Update(&md5ctx, hmac_ipad_buffer, MD5_HMAC_BLOCK_LEN - klen);
+ bcopy(md5ctx.md5_st8, ses->ses_hminner, sizeof(md5ctx.md5_st8));
+ } else {
+ SHA1Init(&sha1ctx);
+ SHA1Update(&sha1ctx, key, klen);
+ SHA1Update(&sha1ctx, hmac_ipad_buffer,
+ SHA1_HMAC_BLOCK_LEN - klen);
+ bcopy(sha1ctx.h.b32, ses->ses_hminner, sizeof(sha1ctx.h.b32));
+ }
+
+ for (i = 0; i < klen; i++)
+ key[i] ^= (HMAC_IPAD_VAL ^ HMAC_OPAD_VAL);
+
+ if (algo == CRYPTO_MD5_HMAC) {
+ MD5Init(&md5ctx);
+ MD5Update(&md5ctx, key, klen);
+ MD5Update(&md5ctx, hmac_opad_buffer, MD5_HMAC_BLOCK_LEN - klen);
+ bcopy(md5ctx.md5_st8, ses->ses_hmouter, sizeof(md5ctx.md5_st8));
+ } else {
+ SHA1Init(&sha1ctx);
+ SHA1Update(&sha1ctx, key, klen);
+ SHA1Update(&sha1ctx, hmac_opad_buffer,
+ SHA1_HMAC_BLOCK_LEN - klen);
+ bcopy(sha1ctx.h.b32, ses->ses_hmouter, sizeof(sha1ctx.h.b32));
+ }
+
+ for (i = 0; i < klen; i++)
+ key[i] ^= HMAC_OPAD_VAL;
+
+#if 0
+ /*
+ * this code prevents SHA working on a BE host,
+ * so it is obviously wrong. I think the byte
+ * swap setup we do with the chip fixes this for us
+ */
+
+ /* PE is little-endian, insure proper byte order */
+ for (i = 0; i < N(ses->ses_hminner); i++) {
+ ses->ses_hminner[i] = htole32(ses->ses_hminner[i]);
+ ses->ses_hmouter[i] = htole32(ses->ses_hmouter[i]);
+ }
+#endif
+#else /* HMAC_HACK */
+ printk("safe: md5/sha not implemented\n");
+#endif /* HMAC_HACK */
+}
+#undef N
+
+/*
+ * Allocate a new 'session' and return an encoded session id. 'sidp'
+ * contains our registration id, and should contain an encoded session
+ * id on successful allocation.
+ */
+static int
+safe_newsession(device_t dev, u_int32_t *sidp, struct cryptoini *cri)
+{
+ struct safe_softc *sc = device_get_softc(dev);
+ struct cryptoini *c, *encini = NULL, *macini = NULL;
+ struct safe_session *ses = NULL;
+ int sesn;
+
+ DPRINTF(("%s()\n", __FUNCTION__));
+
+ if (sidp == NULL || cri == NULL || sc == NULL)
+ return (EINVAL);
+
+ for (c = cri; c != NULL; c = c->cri_next) {
+ if (c->cri_alg == CRYPTO_MD5_HMAC ||
+ c->cri_alg == CRYPTO_SHA1_HMAC ||
+ c->cri_alg == CRYPTO_NULL_HMAC) {
+ if (macini)
+ return (EINVAL);
+ macini = c;
+ } else if (c->cri_alg == CRYPTO_DES_CBC ||
+ c->cri_alg == CRYPTO_3DES_CBC ||
+ c->cri_alg == CRYPTO_AES_CBC ||
+ c->cri_alg == CRYPTO_NULL_CBC) {
+ if (encini)
+ return (EINVAL);
+ encini = c;
+ } else
+ return (EINVAL);
+ }
+ if (encini == NULL && macini == NULL)
+ return (EINVAL);
+ if (encini) { /* validate key length */
+ switch (encini->cri_alg) {
+ case CRYPTO_DES_CBC:
+ if (encini->cri_klen != 64)
+ return (EINVAL);
+ break;
+ case CRYPTO_3DES_CBC:
+ if (encini->cri_klen != 192)
+ return (EINVAL);
+ break;
+ case CRYPTO_AES_CBC:
+ if (encini->cri_klen != 128 &&
+ encini->cri_klen != 192 &&
+ encini->cri_klen != 256)
+ return (EINVAL);
+ break;
+ }
+ }
+
+ if (sc->sc_sessions == NULL) {
+ ses = sc->sc_sessions = (struct safe_session *)
+ kmalloc(sizeof(struct safe_session), SLAB_ATOMIC);
+ if (ses == NULL)
+ return (ENOMEM);
+ memset(ses, 0, sizeof(struct safe_session));
+ sesn = 0;
+ sc->sc_nsessions = 1;
+ } else {
+ for (sesn = 0; sesn < sc->sc_nsessions; sesn++) {
+ if (sc->sc_sessions[sesn].ses_used == 0) {
+ ses = &sc->sc_sessions[sesn];
+ break;
+ }
+ }
+
+ if (ses == NULL) {
+ sesn = sc->sc_nsessions;
+ ses = (struct safe_session *)
+ kmalloc((sesn + 1) * sizeof(struct safe_session), SLAB_ATOMIC);
+ if (ses == NULL)
+ return (ENOMEM);
+ memset(ses, 0, (sesn + 1) * sizeof(struct safe_session));
+ bcopy(sc->sc_sessions, ses, sesn *
+ sizeof(struct safe_session));
+ bzero(sc->sc_sessions, sesn *
+ sizeof(struct safe_session));
+ kfree(sc->sc_sessions);
+ sc->sc_sessions = ses;
+ ses = &sc->sc_sessions[sesn];
+ sc->sc_nsessions++;
+ }
+ }
+
+ bzero(ses, sizeof(struct safe_session));
+ ses->ses_used = 1;
+
+ if (encini) {
+ /* get an IV */
+ /* XXX may read fewer than requested */
+ read_random(ses->ses_iv, sizeof(ses->ses_iv));
+
+ ses->ses_klen = encini->cri_klen;
+ if (encini->cri_key != NULL)
+ safe_setup_enckey(ses, encini->cri_key);
+ }
+
+ if (macini) {
+ ses->ses_mlen = macini->cri_mlen;
+ if (ses->ses_mlen == 0) {
+ if (macini->cri_alg == CRYPTO_MD5_HMAC)
+ ses->ses_mlen = MD5_HASH_LEN;
+ else
+ ses->ses_mlen = SHA1_HASH_LEN;
+ }
+
+ if (macini->cri_key != NULL) {
+ safe_setup_mackey(ses, macini->cri_alg, macini->cri_key,
+ macini->cri_klen / 8);
+ }
+ }
+
+ *sidp = SAFE_SID(device_get_unit(sc->sc_dev), sesn);
+ return (0);
+}
+
+/*
+ * Deallocate a session.
+ */
+static int
+safe_freesession(device_t dev, u_int64_t tid)
+{
+ struct safe_softc *sc = device_get_softc(dev);
+ int session, ret;
+ u_int32_t sid = ((u_int32_t) tid) & 0xffffffff;
+
+ DPRINTF(("%s()\n", __FUNCTION__));
+
+ if (sc == NULL)
+ return (EINVAL);
+
+ session = SAFE_SESSION(sid);
+ if (session < sc->sc_nsessions) {
+ bzero(&sc->sc_sessions[session], sizeof(sc->sc_sessions[session]));
+ ret = 0;
+ } else
+ ret = EINVAL;
+ return (ret);
+}
+
+
+static int
+safe_process(device_t dev, struct cryptop *crp, int hint)
+{
+ struct safe_softc *sc = device_get_softc(dev);
+ int err = 0, i, nicealign, uniform;
+ struct cryptodesc *crd1, *crd2, *maccrd, *enccrd;
+ int bypass, oplen, ivsize;
+ caddr_t iv;
+ int16_t coffset;
+ struct safe_session *ses;
+ struct safe_ringentry *re;
+ struct safe_sarec *sa;
+ struct safe_pdesc *pd;
+ u_int32_t cmd0, cmd1, staterec;
+ unsigned long flags;
+
+ DPRINTF(("%s()\n", __FUNCTION__));
+
+ if (crp == NULL || crp->crp_callback == NULL || sc == NULL) {
+ safestats.st_invalid++;
+ return (EINVAL);
+ }
+ if (SAFE_SESSION(crp->crp_sid) >= sc->sc_nsessions) {
+ safestats.st_badsession++;
+ return (EINVAL);
+ }
+
+ spin_lock_irqsave(&sc->sc_ringmtx, flags);
+ if (sc->sc_front == sc->sc_back && sc->sc_nqchip != 0) {
+ safestats.st_ringfull++;
+ sc->sc_needwakeup |= CRYPTO_SYMQ;
+ spin_unlock_irqrestore(&sc->sc_ringmtx, flags);
+ return (ERESTART);
+ }
+ re = sc->sc_front;
+
+ staterec = re->re_sa.sa_staterec; /* save */
+ /* NB: zero everything but the PE descriptor */
+ bzero(&re->re_sa, sizeof(struct safe_ringentry) - sizeof(re->re_desc));
+ re->re_sa.sa_staterec = staterec; /* restore */
+
+ re->re_crp = crp;
+ re->re_sesn = SAFE_SESSION(crp->crp_sid);
+
+ re->re_src.nsegs = 0;
+ re->re_dst.nsegs = 0;
+
+ if (crp->crp_flags & CRYPTO_F_SKBUF) {
+ re->re_src_skb = (struct sk_buff *)crp->crp_buf;
+ re->re_dst_skb = (struct sk_buff *)crp->crp_buf;
+ } else if (crp->crp_flags & CRYPTO_F_IOV) {
+ re->re_src_io = (struct uio *)crp->crp_buf;
+ re->re_dst_io = (struct uio *)crp->crp_buf;
+ } else {
+ safestats.st_badflags++;
+ err = EINVAL;
+ goto errout; /* XXX we don't handle contiguous blocks! */
+ }
+
+ sa = &re->re_sa;
+ ses = &sc->sc_sessions[re->re_sesn];
+
+ crd1 = crp->crp_desc;
+ if (crd1 == NULL) {
+ safestats.st_nodesc++;
+ err = EINVAL;
+ goto errout;
+ }
+ crd2 = crd1->crd_next;
+
+ cmd0 = SAFE_SA_CMD0_BASIC; /* basic group operation */
+ cmd1 = 0;
+ if (crd2 == NULL) {
+ if (crd1->crd_alg == CRYPTO_MD5_HMAC ||
+ crd1->crd_alg == CRYPTO_SHA1_HMAC ||
+ crd1->crd_alg == CRYPTO_NULL_HMAC) {
+ maccrd = crd1;
+ enccrd = NULL;
+ cmd0 |= SAFE_SA_CMD0_OP_HASH;
+ } else if (crd1->crd_alg == CRYPTO_DES_CBC ||
+ crd1->crd_alg == CRYPTO_3DES_CBC ||
+ crd1->crd_alg == CRYPTO_AES_CBC ||
+ crd1->crd_alg == CRYPTO_NULL_CBC) {
+ maccrd = NULL;
+ enccrd = crd1;
+ cmd0 |= SAFE_SA_CMD0_OP_CRYPT;
+ } else {
+ safestats.st_badalg++;
+ err = EINVAL;
+ goto errout;
+ }
+ } else {
+ if ((crd1->crd_alg == CRYPTO_MD5_HMAC ||
+ crd1->crd_alg == CRYPTO_SHA1_HMAC ||
+ crd1->crd_alg == CRYPTO_NULL_HMAC) &&
+ (crd2->crd_alg == CRYPTO_DES_CBC ||
+ crd2->crd_alg == CRYPTO_3DES_CBC ||
+ crd2->crd_alg == CRYPTO_AES_CBC ||
+ crd2->crd_alg == CRYPTO_NULL_CBC) &&
+ ((crd2->crd_flags & CRD_F_ENCRYPT) == 0)) {
+ maccrd = crd1;
+ enccrd = crd2;
+ } else if ((crd1->crd_alg == CRYPTO_DES_CBC ||
+ crd1->crd_alg == CRYPTO_3DES_CBC ||
+ crd1->crd_alg == CRYPTO_AES_CBC ||
+ crd1->crd_alg == CRYPTO_NULL_CBC) &&
+ (crd2->crd_alg == CRYPTO_MD5_HMAC ||
+ crd2->crd_alg == CRYPTO_SHA1_HMAC ||
+ crd2->crd_alg == CRYPTO_NULL_HMAC) &&
+ (crd1->crd_flags & CRD_F_ENCRYPT)) {
+ enccrd = crd1;
+ maccrd = crd2;
+ } else {
+ safestats.st_badalg++;
+ err = EINVAL;
+ goto errout;
+ }
+ cmd0 |= SAFE_SA_CMD0_OP_BOTH;
+ }
+
+ if (enccrd) {
+ if (enccrd->crd_flags & CRD_F_KEY_EXPLICIT)
+ safe_setup_enckey(ses, enccrd->crd_key);
+
+ if (enccrd->crd_alg == CRYPTO_DES_CBC) {
+ cmd0 |= SAFE_SA_CMD0_DES;
+ cmd1 |= SAFE_SA_CMD1_CBC;
+ ivsize = 2*sizeof(u_int32_t);
+ } else if (enccrd->crd_alg == CRYPTO_3DES_CBC) {
+ cmd0 |= SAFE_SA_CMD0_3DES;
+ cmd1 |= SAFE_SA_CMD1_CBC;
+ ivsize = 2*sizeof(u_int32_t);
+ } else if (enccrd->crd_alg == CRYPTO_AES_CBC) {
+ cmd0 |= SAFE_SA_CMD0_AES;
+ cmd1 |= SAFE_SA_CMD1_CBC;
+ if (ses->ses_klen == 128)
+ cmd1 |= SAFE_SA_CMD1_AES128;
+ else if (ses->ses_klen == 192)
+ cmd1 |= SAFE_SA_CMD1_AES192;
+ else
+ cmd1 |= SAFE_SA_CMD1_AES256;
+ ivsize = 4*sizeof(u_int32_t);
+ } else {
+ cmd0 |= SAFE_SA_CMD0_CRYPT_NULL;
+ ivsize = 0;
+ }
+
+ /*
+ * Setup encrypt/decrypt state. When using basic ops
+ * we can't use an inline IV because hash/crypt offset
+ * must be from the end of the IV to the start of the
+ * crypt data and this leaves out the preceding header
+ * from the hash calculation. Instead we place the IV
+ * in the state record and set the hash/crypt offset to
+ * copy both the header+IV.
+ */
+ if (enccrd->crd_flags & CRD_F_ENCRYPT) {
+ cmd0 |= SAFE_SA_CMD0_OUTBOUND;
+
+ if (enccrd->crd_flags & CRD_F_IV_EXPLICIT)
+ iv = enccrd->crd_iv;
+ else
+ iv = (caddr_t) ses->ses_iv;
+ if ((enccrd->crd_flags & CRD_F_IV_PRESENT) == 0) {
+ crypto_copyback(crp->crp_flags, crp->crp_buf,
+ enccrd->crd_inject, ivsize, iv);
+ }
+ bcopy(iv, re->re_sastate.sa_saved_iv, ivsize);
+ /* make iv LE */
+ for (i = 0; i < ivsize/sizeof(re->re_sastate.sa_saved_iv[0]); i++)
+ re->re_sastate.sa_saved_iv[i] =
+ cpu_to_le32(re->re_sastate.sa_saved_iv[i]);
+ cmd0 |= SAFE_SA_CMD0_IVLD_STATE | SAFE_SA_CMD0_SAVEIV;
+ re->re_flags |= SAFE_QFLAGS_COPYOUTIV;
+ } else {
+ cmd0 |= SAFE_SA_CMD0_INBOUND;
+
+ if (enccrd->crd_flags & CRD_F_IV_EXPLICIT) {
+ bcopy(enccrd->crd_iv,
+ re->re_sastate.sa_saved_iv, ivsize);
+ } else {
+ crypto_copydata(crp->crp_flags, crp->crp_buf,
+ enccrd->crd_inject, ivsize,
+ (caddr_t)re->re_sastate.sa_saved_iv);
+ }
+ /* make iv LE */
+ for (i = 0; i < ivsize/sizeof(re->re_sastate.sa_saved_iv[0]); i++)
+ re->re_sastate.sa_saved_iv[i] =
+ cpu_to_le32(re->re_sastate.sa_saved_iv[i]);
+ cmd0 |= SAFE_SA_CMD0_IVLD_STATE;
+ }
+ /*
+ * For basic encryption use the zero pad algorithm.
+ * This pads results to an 8-byte boundary and
+ * suppresses padding verification for inbound (i.e.
+ * decrypt) operations.
+ *
+ * NB: Not sure if the 8-byte pad boundary is a problem.
+ */
+ cmd0 |= SAFE_SA_CMD0_PAD_ZERO;
+
+ /* XXX assert key bufs have the same size */
+ bcopy(ses->ses_key, sa->sa_key, sizeof(sa->sa_key));
+ }
+
+ if (maccrd) {
+ if (maccrd->crd_flags & CRD_F_KEY_EXPLICIT) {
+ safe_setup_mackey(ses, maccrd->crd_alg,
+ maccrd->crd_key, maccrd->crd_klen / 8);
+ }
+
+ if (maccrd->crd_alg == CRYPTO_MD5_HMAC) {
+ cmd0 |= SAFE_SA_CMD0_MD5;
+ cmd1 |= SAFE_SA_CMD1_HMAC; /* NB: enable HMAC */
+ } else if (maccrd->crd_alg == CRYPTO_SHA1_HMAC) {
+ cmd0 |= SAFE_SA_CMD0_SHA1;
+ cmd1 |= SAFE_SA_CMD1_HMAC; /* NB: enable HMAC */
+ } else {
+ cmd0 |= SAFE_SA_CMD0_HASH_NULL;
+ }
+ /*
+ * Digest data is loaded from the SA and the hash
+ * result is saved to the state block where we
+ * retrieve it for return to the caller.
+ */
+ /* XXX assert digest bufs have the same size */
+ bcopy(ses->ses_hminner, sa->sa_indigest,
+ sizeof(sa->sa_indigest));
+ bcopy(ses->ses_hmouter, sa->sa_outdigest,
+ sizeof(sa->sa_outdigest));
+
+ cmd0 |= SAFE_SA_CMD0_HSLD_SA | SAFE_SA_CMD0_SAVEHASH;
+ re->re_flags |= SAFE_QFLAGS_COPYOUTICV;
+ }
+
+ if (enccrd && maccrd) {
+ /*
+ * The offset from hash data to the start of
+ * crypt data is the difference in the skips.
+ */
+ bypass = maccrd->crd_skip;
+ coffset = enccrd->crd_skip - maccrd->crd_skip;
+ if (coffset < 0) {
+ DPRINTF(("%s: hash does not precede crypt; "
+ "mac skip %u enc skip %u\n",
+ __func__, maccrd->crd_skip, enccrd->crd_skip));
+ safestats.st_skipmismatch++;
+ err = EINVAL;
+ goto errout;
+ }
+ oplen = enccrd->crd_skip + enccrd->crd_len;
+ if (maccrd->crd_skip + maccrd->crd_len != oplen) {
+ DPRINTF(("%s: hash amount %u != crypt amount %u\n",
+ __func__, maccrd->crd_skip + maccrd->crd_len,
+ oplen));
+ safestats.st_lenmismatch++;
+ err = EINVAL;
+ goto errout;
+ }
+#ifdef SAFE_DEBUG
+ if (debug) {
+ printf("mac: skip %d, len %d, inject %d\n",
+ maccrd->crd_skip, maccrd->crd_len,
+ maccrd->crd_inject);
+ printf("enc: skip %d, len %d, inject %d\n",
+ enccrd->crd_skip, enccrd->crd_len,
+ enccrd->crd_inject);
+ printf("bypass %d coffset %d oplen %d\n",
+ bypass, coffset, oplen);
+ }
+#endif
+ if (coffset & 3) { /* offset must be 32-bit aligned */
+ DPRINTF(("%s: coffset %u misaligned\n",
+ __func__, coffset));
+ safestats.st_coffmisaligned++;
+ err = EINVAL;
+ goto errout;
+ }
+ coffset >>= 2;
+ if (coffset > 255) { /* offset must be <256 dwords */
+ DPRINTF(("%s: coffset %u too big\n",
+ __func__, coffset));
+ safestats.st_cofftoobig++;
+ err = EINVAL;
+ goto errout;
+ }
+ /*
+ * Tell the hardware to copy the header to the output.
+ * The header is defined as the data from the end of
+ * the bypass to the start of data to be encrypted.
+ * Typically this is the inline IV. Note that you need
+ * to do this even if src+dst are the same; it appears
+ * that w/o this bit the crypted data is written
+ * immediately after the bypass data.
+ */
+ cmd1 |= SAFE_SA_CMD1_HDRCOPY;
+ /*
+ * Disable IP header mutable bit handling. This is
+ * needed to get correct HMAC calculations.
+ */
+ cmd1 |= SAFE_SA_CMD1_MUTABLE;
+ } else {
+ if (enccrd) {
+ bypass = enccrd->crd_skip;
+ oplen = bypass + enccrd->crd_len;
+ } else {
+ bypass = maccrd->crd_skip;
+ oplen = bypass + maccrd->crd_len;
+ }
+ coffset = 0;
+ }
+ /* XXX verify multiple of 4 when using s/g */
+ if (bypass > 96) { /* bypass offset must be <= 96 bytes */
+ DPRINTF(("%s: bypass %u too big\n", __func__, bypass));
+ safestats.st_bypasstoobig++;
+ err = EINVAL;
+ goto errout;
+ }
+
+ if (crp->crp_flags & CRYPTO_F_SKBUF) {
+ if (pci_map_skb(sc, &re->re_src, re->re_src_skb)) {
+ safestats.st_noload++;
+ err = ENOMEM;
+ goto errout;
+ }
+ } else if (crp->crp_flags & CRYPTO_F_IOV) {
+ if (pci_map_uio(sc, &re->re_src, re->re_src_io)) {
+ safestats.st_noload++;
+ err = ENOMEM;
+ goto errout;
+ }
+ }
+ nicealign = safe_dmamap_aligned(sc, &re->re_src);
+ uniform = safe_dmamap_uniform(sc, &re->re_src);
+
+ DPRINTF(("src nicealign %u uniform %u nsegs %u\n",
+ nicealign, uniform, re->re_src.nsegs));
+ if (re->re_src.nsegs > 1) {
+ re->re_desc.d_src = sc->sc_spalloc.dma_paddr +
+ ((caddr_t) sc->sc_spfree - (caddr_t) sc->sc_spring);
+ for (i = 0; i < re->re_src_nsegs; i++) {
+ /* NB: no need to check if there's space */
+ pd = sc->sc_spfree;
+ if (++(sc->sc_spfree) == sc->sc_springtop)
+ sc->sc_spfree = sc->sc_spring;
+
+ KASSERT((pd->pd_flags&3) == 0 ||
+ (pd->pd_flags&3) == SAFE_PD_DONE,
+ ("bogus source particle descriptor; flags %x",
+ pd->pd_flags));
+ pd->pd_addr = re->re_src_segs[i].ds_addr;
+ pd->pd_size = re->re_src_segs[i].ds_len;
+ pd->pd_flags = SAFE_PD_READY;
+ }
+ cmd0 |= SAFE_SA_CMD0_IGATHER;
+ } else {
+ /*
+ * No need for gather, reference the operand directly.
+ */
+ re->re_desc.d_src = re->re_src_segs[0].ds_addr;
+ }
+
+ if (enccrd == NULL && maccrd != NULL) {
+ /*
+ * Hash op; no destination needed.
+ */
+ } else {
+ if (crp->crp_flags & (CRYPTO_F_IOV|CRYPTO_F_SKBUF)) {
+ if (!nicealign) {
+ safestats.st_iovmisaligned++;
+ err = EINVAL;
+ goto errout;
+ }
+ if (uniform != 1) {
+ device_printf(sc->sc_dev, "!uniform source\n");
+ if (!uniform) {
+ /*
+ * There's no way to handle the DMA
+ * requirements with this uio. We
+ * could create a separate DMA area for
+ * the result and then copy it back,
+ * but for now we just bail and return
+ * an error. Note that uio requests
+ * > SAFE_MAX_DSIZE are handled because
+ * the DMA map and segment list for the
+ * destination wil result in a
+ * destination particle list that does
+ * the necessary scatter DMA.
+ */
+ safestats.st_iovnotuniform++;
+ err = EINVAL;
+ goto errout;
+ }
+ } else
+ re->re_dst = re->re_src;
+ } else {
+ safestats.st_badflags++;
+ err = EINVAL;
+ goto errout;
+ }
+
+ if (re->re_dst.nsegs > 1) {
+ re->re_desc.d_dst = sc->sc_dpalloc.dma_paddr +
+ ((caddr_t) sc->sc_dpfree - (caddr_t) sc->sc_dpring);
+ for (i = 0; i < re->re_dst_nsegs; i++) {
+ pd = sc->sc_dpfree;
+ KASSERT((pd->pd_flags&3) == 0 ||
+ (pd->pd_flags&3) == SAFE_PD_DONE,
+ ("bogus dest particle descriptor; flags %x",
+ pd->pd_flags));
+ if (++(sc->sc_dpfree) == sc->sc_dpringtop)
+ sc->sc_dpfree = sc->sc_dpring;
+ pd->pd_addr = re->re_dst_segs[i].ds_addr;
+ pd->pd_flags = SAFE_PD_READY;
+ }
+ cmd0 |= SAFE_SA_CMD0_OSCATTER;
+ } else {
+ /*
+ * No need for scatter, reference the operand directly.
+ */
+ re->re_desc.d_dst = re->re_dst_segs[0].ds_addr;
+ }
+ }
+
+ /*
+ * All done with setup; fillin the SA command words
+ * and the packet engine descriptor. The operation
+ * is now ready for submission to the hardware.
+ */
+ sa->sa_cmd0 = cmd0 | SAFE_SA_CMD0_IPCI | SAFE_SA_CMD0_OPCI;
+ sa->sa_cmd1 = cmd1
+ | (coffset << SAFE_SA_CMD1_OFFSET_S)
+ | SAFE_SA_CMD1_SAREV1 /* Rev 1 SA data structure */
+ | SAFE_SA_CMD1_SRPCI
+ ;
+ /*
+ * NB: the order of writes is important here. In case the
+ * chip is scanning the ring because of an outstanding request
+ * it might nab this one too. In that case we need to make
+ * sure the setup is complete before we write the length
+ * field of the descriptor as it signals the descriptor is
+ * ready for processing.
+ */
+ re->re_desc.d_csr = SAFE_PE_CSR_READY | SAFE_PE_CSR_SAPCI;
+ if (maccrd)
+ re->re_desc.d_csr |= SAFE_PE_CSR_LOADSA | SAFE_PE_CSR_HASHFINAL;
+ wmb();
+ re->re_desc.d_len = oplen
+ | SAFE_PE_LEN_READY
+ | (bypass << SAFE_PE_LEN_BYPASS_S)
+ ;
+
+ safestats.st_ipackets++;
+ safestats.st_ibytes += oplen;
+
+ if (++(sc->sc_front) == sc->sc_ringtop)
+ sc->sc_front = sc->sc_ring;
+
+ /* XXX honor batching */
+ safe_feed(sc, re);
+ spin_unlock_irqrestore(&sc->sc_ringmtx, flags);
+ return (0);
+
+errout:
+ if (re->re_src.map != re->re_dst.map)
+ pci_unmap_operand(sc, &re->re_dst);
+ if (re->re_src.map)
+ pci_unmap_operand(sc, &re->re_src);
+ spin_unlock_irqrestore(&sc->sc_ringmtx, flags);
+ if (err != ERESTART) {
+ crp->crp_etype = err;
+ crypto_done(crp);
+ } else {
+ sc->sc_needwakeup |= CRYPTO_SYMQ;
+ }
+ return (err);
+}
+
+static void
+safe_callback(struct safe_softc *sc, struct safe_ringentry *re)
+{
+ struct cryptop *crp = (struct cryptop *)re->re_crp;
+ struct cryptodesc *crd;
+
+ DPRINTF(("%s()\n", __FUNCTION__));
+
+ safestats.st_opackets++;
+ safestats.st_obytes += re->re_dst.mapsize;
+
+ if (re->re_desc.d_csr & SAFE_PE_CSR_STATUS) {
+ device_printf(sc->sc_dev, "csr 0x%x cmd0 0x%x cmd1 0x%x\n",
+ re->re_desc.d_csr,
+ re->re_sa.sa_cmd0, re->re_sa.sa_cmd1);
+ safestats.st_peoperr++;
+ crp->crp_etype = EIO; /* something more meaningful? */
+ }
+
+ if (re->re_dst.map != NULL && re->re_dst.map != re->re_src.map)
+ pci_unmap_operand(sc, &re->re_dst);
+ pci_unmap_operand(sc, &re->re_src);
+
+ /*
+ * If result was written to a differet mbuf chain, swap
+ * it in as the return value and reclaim the original.
+ */
+ if ((crp->crp_flags & CRYPTO_F_SKBUF) && re->re_src_skb != re->re_dst_skb) {
+ device_printf(sc->sc_dev, "no CRYPTO_F_SKBUF swapping support\n");
+ /* kfree_skb(skb) */
+ /* crp->crp_buf = (caddr_t)re->re_dst_skb */
+ return;
+ }
+
+ if (re->re_flags & SAFE_QFLAGS_COPYOUTIV) {
+ /* copy out IV for future use */
+ for (crd = crp->crp_desc; crd; crd = crd->crd_next) {
+ int i;
+ int ivsize;
+
+ if (crd->crd_alg == CRYPTO_DES_CBC ||
+ crd->crd_alg == CRYPTO_3DES_CBC) {
+ ivsize = 2*sizeof(u_int32_t);
+ } else if (crd->crd_alg == CRYPTO_AES_CBC) {
+ ivsize = 4*sizeof(u_int32_t);
+ } else
+ continue;
+ crypto_copydata(crp->crp_flags, crp->crp_buf,
+ crd->crd_skip + crd->crd_len - ivsize, ivsize,
+ (caddr_t)sc->sc_sessions[re->re_sesn].ses_iv);
+ for (i = 0;
+ i < ivsize/sizeof(sc->sc_sessions[re->re_sesn].ses_iv[0]);
+ i++)
+ sc->sc_sessions[re->re_sesn].ses_iv[i] =
+ cpu_to_le32(sc->sc_sessions[re->re_sesn].ses_iv[i]);
+ break;
+ }
+ }
+
+ if (re->re_flags & SAFE_QFLAGS_COPYOUTICV) {
+ /* copy out ICV result */
+ for (crd = crp->crp_desc; crd; crd = crd->crd_next) {
+ if (!(crd->crd_alg == CRYPTO_MD5_HMAC ||
+ crd->crd_alg == CRYPTO_SHA1_HMAC ||
+ crd->crd_alg == CRYPTO_NULL_HMAC))
+ continue;
+ if (crd->crd_alg == CRYPTO_SHA1_HMAC) {
+ /*
+ * SHA-1 ICV's are byte-swapped; fix 'em up
+ * before copy them to their destination.
+ */
+ re->re_sastate.sa_saved_indigest[0] =
+ cpu_to_be32(re->re_sastate.sa_saved_indigest[0]);
+ re->re_sastate.sa_saved_indigest[1] =
+ cpu_to_be32(re->re_sastate.sa_saved_indigest[1]);
+ re->re_sastate.sa_saved_indigest[2] =
+ cpu_to_be32(re->re_sastate.sa_saved_indigest[2]);
+ } else {
+ re->re_sastate.sa_saved_indigest[0] =
+ cpu_to_le32(re->re_sastate.sa_saved_indigest[0]);
+ re->re_sastate.sa_saved_indigest[1] =
+ cpu_to_le32(re->re_sastate.sa_saved_indigest[1]);
+ re->re_sastate.sa_saved_indigest[2] =
+ cpu_to_le32(re->re_sastate.sa_saved_indigest[2]);
+ }
+ crypto_copyback(crp->crp_flags, crp->crp_buf,
+ crd->crd_inject,
+ sc->sc_sessions[re->re_sesn].ses_mlen,
+ (caddr_t)re->re_sastate.sa_saved_indigest);
+ break;
+ }
+ }
+ crypto_done(crp);
+}
+
+
+#if defined(CONFIG_OCF_RANDOMHARVEST) && !defined(SAFE_NO_RNG)
+#define SAFE_RNG_MAXWAIT 1000
+
+static void
+safe_rng_init(struct safe_softc *sc)
+{
+ u_int32_t w, v;
+ int i;
+
+ DPRINTF(("%s()\n", __FUNCTION__));
+
+ WRITE_REG(sc, SAFE_RNG_CTRL, 0);
+ /* use default value according to the manual */
+ WRITE_REG(sc, SAFE_RNG_CNFG, 0x834); /* magic from SafeNet */
+ WRITE_REG(sc, SAFE_RNG_ALM_CNT, 0);
+
+ /*
+ * There is a bug in rev 1.0 of the 1140 that when the RNG
+ * is brought out of reset the ready status flag does not
+ * work until the RNG has finished its internal initialization.
+ *
+ * So in order to determine the device is through its
+ * initialization we must read the data register, using the
+ * status reg in the read in case it is initialized. Then read
+ * the data register until it changes from the first read.
+ * Once it changes read the data register until it changes
+ * again. At this time the RNG is considered initialized.
+ * This could take between 750ms - 1000ms in time.
+ */
+ i = 0;
+ w = READ_REG(sc, SAFE_RNG_OUT);
+ do {
+ v = READ_REG(sc, SAFE_RNG_OUT);
+ if (v != w) {
+ w = v;
+ break;
+ }
+ DELAY(10);
+ } while (++i < SAFE_RNG_MAXWAIT);
+
+ /* Wait Until data changes again */
+ i = 0;
+ do {
+ v = READ_REG(sc, SAFE_RNG_OUT);
+ if (v != w)
+ break;
+ DELAY(10);
+ } while (++i < SAFE_RNG_MAXWAIT);
+}
+
+static __inline void
+safe_rng_disable_short_cycle(struct safe_softc *sc)
+{
+ DPRINTF(("%s()\n", __FUNCTION__));
+
+ WRITE_REG(sc, SAFE_RNG_CTRL,
+ READ_REG(sc, SAFE_RNG_CTRL) &~ SAFE_RNG_CTRL_SHORTEN);
+}
+
+static __inline void
+safe_rng_enable_short_cycle(struct safe_softc *sc)
+{
+ DPRINTF(("%s()\n", __FUNCTION__));
+
+ WRITE_REG(sc, SAFE_RNG_CTRL,
+ READ_REG(sc, SAFE_RNG_CTRL) | SAFE_RNG_CTRL_SHORTEN);
+}
+
+static __inline u_int32_t
+safe_rng_read(struct safe_softc *sc)
+{
+ int i;
+
+ i = 0;
+ while (READ_REG(sc, SAFE_RNG_STAT) != 0 && ++i < SAFE_RNG_MAXWAIT)
+ ;
+ return READ_REG(sc, SAFE_RNG_OUT);
+}
+
+static int
+safe_read_random(void *arg, u_int32_t *buf, int maxwords)
+{
+ struct safe_softc *sc = (struct safe_softc *) arg;
+ int i, rc;
+
+ DPRINTF(("%s()\n", __FUNCTION__));
+
+ safestats.st_rng++;
+ /*
+ * Fetch the next block of data.
+ */
+ if (maxwords > safe_rngbufsize)
+ maxwords = safe_rngbufsize;
+ if (maxwords > SAFE_RNG_MAXBUFSIZ)
+ maxwords = SAFE_RNG_MAXBUFSIZ;
+retry:
+ /* read as much as we can */
+ for (rc = 0; rc < maxwords; rc++) {
+ if (READ_REG(sc, SAFE_RNG_STAT) != 0)
+ break;
+ buf[rc] = READ_REG(sc, SAFE_RNG_OUT);
+ }
+ if (rc == 0)
+ return 0;
+ /*
+ * Check the comparator alarm count and reset the h/w if
+ * it exceeds our threshold. This guards against the
+ * hardware oscillators resonating with external signals.
+ */
+ if (READ_REG(sc, SAFE_RNG_ALM_CNT) > safe_rngmaxalarm) {
+ u_int32_t freq_inc, w;
+
+ DPRINTF(("%s: alarm count %u exceeds threshold %u\n", __func__,
+ (unsigned)READ_REG(sc, SAFE_RNG_ALM_CNT), safe_rngmaxalarm));
+ safestats.st_rngalarm++;
+ safe_rng_enable_short_cycle(sc);
+ freq_inc = 18;
+ for (i = 0; i < 64; i++) {
+ w = READ_REG(sc, SAFE_RNG_CNFG);
+ freq_inc = ((w + freq_inc) & 0x3fL);
+ w = ((w & ~0x3fL) | freq_inc);
+ WRITE_REG(sc, SAFE_RNG_CNFG, w);
+
+ WRITE_REG(sc, SAFE_RNG_ALM_CNT, 0);
+
+ (void) safe_rng_read(sc);
+ DELAY(25);
+
+ if (READ_REG(sc, SAFE_RNG_ALM_CNT) == 0) {
+ safe_rng_disable_short_cycle(sc);
+ goto retry;
+ }
+ freq_inc = 1;
+ }
+ safe_rng_disable_short_cycle(sc);
+ } else
+ WRITE_REG(sc, SAFE_RNG_ALM_CNT, 0);
+
+ return(rc);
+}
+#endif /* defined(CONFIG_OCF_RANDOMHARVEST) && !defined(SAFE_NO_RNG) */
+
+
+/*
+ * Resets the board. Values in the regesters are left as is
+ * from the reset (i.e. initial values are assigned elsewhere).
+ */
+static void
+safe_reset_board(struct safe_softc *sc)
+{
+ u_int32_t v;
+ /*
+ * Reset the device. The manual says no delay
+ * is needed between marking and clearing reset.
+ */
+ DPRINTF(("%s()\n", __FUNCTION__));
+
+ v = READ_REG(sc, SAFE_PE_DMACFG) &~
+ (SAFE_PE_DMACFG_PERESET | SAFE_PE_DMACFG_PDRRESET |
+ SAFE_PE_DMACFG_SGRESET);
+ WRITE_REG(sc, SAFE_PE_DMACFG, v
+ | SAFE_PE_DMACFG_PERESET
+ | SAFE_PE_DMACFG_PDRRESET
+ | SAFE_PE_DMACFG_SGRESET);
+ WRITE_REG(sc, SAFE_PE_DMACFG, v);
+}
+
+/*
+ * Initialize registers we need to touch only once.
+ */
+static void
+safe_init_board(struct safe_softc *sc)
+{
+ u_int32_t v, dwords;
+
+ DPRINTF(("%s()\n", __FUNCTION__));
+
+ v = READ_REG(sc, SAFE_PE_DMACFG);
+ v &=~ ( SAFE_PE_DMACFG_PEMODE
+ | SAFE_PE_DMACFG_FSENA /* failsafe enable */
+ | SAFE_PE_DMACFG_GPRPCI /* gather ring on PCI */
+ | SAFE_PE_DMACFG_SPRPCI /* scatter ring on PCI */
+ | SAFE_PE_DMACFG_ESDESC /* endian-swap descriptors */
+ | SAFE_PE_DMACFG_ESPDESC /* endian-swap part. desc's */
+ | SAFE_PE_DMACFG_ESSA /* endian-swap SA's */
+ | SAFE_PE_DMACFG_ESPACKET /* swap the packet data */
+ );
+ v |= SAFE_PE_DMACFG_FSENA /* failsafe enable */
+ | SAFE_PE_DMACFG_GPRPCI /* gather ring on PCI */
+ | SAFE_PE_DMACFG_SPRPCI /* scatter ring on PCI */
+ | SAFE_PE_DMACFG_ESDESC /* endian-swap descriptors */
+ | SAFE_PE_DMACFG_ESPDESC /* endian-swap part. desc's */
+ | SAFE_PE_DMACFG_ESSA /* endian-swap SA's */
+#if 0
+ | SAFE_PE_DMACFG_ESPACKET /* swap the packet data */
+#endif
+ ;
+ WRITE_REG(sc, SAFE_PE_DMACFG, v);
+
+#ifdef __BIG_ENDIAN
+ /* tell the safenet that we are 4321 and not 1234 */
+ WRITE_REG(sc, SAFE_ENDIAN, 0xe4e41b1b);
+#endif
+
+ if (sc->sc_chiprev == SAFE_REV(1,0)) {
+ /*
+ * Avoid large PCI DMA transfers. Rev 1.0 has a bug where
+ * "target mode transfers" done while the chip is DMA'ing
+ * >1020 bytes cause the hardware to lockup. To avoid this
+ * we reduce the max PCI transfer size and use small source
+ * particle descriptors (<= 256 bytes).
+ */
+ WRITE_REG(sc, SAFE_DMA_CFG, 256);
+ device_printf(sc->sc_dev,
+ "Reduce max DMA size to %u words for rev %u.%u WAR\n",
+ (unsigned) ((READ_REG(sc, SAFE_DMA_CFG)>>2) & 0xff),
+ (unsigned) SAFE_REV_MAJ(sc->sc_chiprev),
+ (unsigned) SAFE_REV_MIN(sc->sc_chiprev));
+ sc->sc_max_dsize = 256;
+ } else {
+ sc->sc_max_dsize = SAFE_MAX_DSIZE;
+ }
+
+ /* NB: operands+results are overlaid */
+ WRITE_REG(sc, SAFE_PE_PDRBASE, sc->sc_ringalloc.dma_paddr);
+ WRITE_REG(sc, SAFE_PE_RDRBASE, sc->sc_ringalloc.dma_paddr);
+ /*
+ * Configure ring entry size and number of items in the ring.
+ */
+ KASSERT((sizeof(struct safe_ringentry) % sizeof(u_int32_t)) == 0,
+ ("PE ring entry not 32-bit aligned!"));
+ dwords = sizeof(struct safe_ringentry) / sizeof(u_int32_t);
+ WRITE_REG(sc, SAFE_PE_RINGCFG,
+ (dwords << SAFE_PE_RINGCFG_OFFSET_S) | SAFE_MAX_NQUEUE);
+ WRITE_REG(sc, SAFE_PE_RINGPOLL, 0); /* disable polling */
+
+ WRITE_REG(sc, SAFE_PE_GRNGBASE, sc->sc_spalloc.dma_paddr);
+ WRITE_REG(sc, SAFE_PE_SRNGBASE, sc->sc_dpalloc.dma_paddr);
+ WRITE_REG(sc, SAFE_PE_PARTSIZE,
+ (SAFE_TOTAL_DPART<<16) | SAFE_TOTAL_SPART);
+ /*
+ * NB: destination particles are fixed size. We use
+ * an mbuf cluster and require all results go to
+ * clusters or smaller.
+ */
+ WRITE_REG(sc, SAFE_PE_PARTCFG, sc->sc_max_dsize);
+
+ /* it's now safe to enable PE mode, do it */
+ WRITE_REG(sc, SAFE_PE_DMACFG, v | SAFE_PE_DMACFG_PEMODE);
+
+ /*
+ * Configure hardware to use level-triggered interrupts and
+ * to interrupt after each descriptor is processed.
+ */
+ WRITE_REG(sc, SAFE_HI_CFG, SAFE_HI_CFG_LEVEL);
+ WRITE_REG(sc, SAFE_HI_CLR, 0xffffffff);
+ WRITE_REG(sc, SAFE_HI_DESC_CNT, 1);
+ WRITE_REG(sc, SAFE_HI_MASK, SAFE_INT_PE_DDONE | SAFE_INT_PE_ERROR);
+}
+
+
+/*
+ * Clean up after a chip crash.
+ * It is assumed that the caller in splimp()
+ */
+static void
+safe_cleanchip(struct safe_softc *sc)
+{
+ DPRINTF(("%s()\n", __FUNCTION__));
+
+ if (sc->sc_nqchip != 0) {
+ struct safe_ringentry *re = sc->sc_back;
+
+ while (re != sc->sc_front) {
+ if (re->re_desc.d_csr != 0)
+ safe_free_entry(sc, re);
+ if (++re == sc->sc_ringtop)
+ re = sc->sc_ring;
+ }
+ sc->sc_back = re;
+ sc->sc_nqchip = 0;
+ }
+}
+
+/*
+ * free a safe_q
+ * It is assumed that the caller is within splimp().
+ */
+static int
+safe_free_entry(struct safe_softc *sc, struct safe_ringentry *re)
+{
+ struct cryptop *crp;
+
+ DPRINTF(("%s()\n", __FUNCTION__));
+
+ /*
+ * Free header MCR
+ */
+ if ((re->re_dst_skb != NULL) && (re->re_src_skb != re->re_dst_skb))
+#ifdef NOTYET
+ m_freem(re->re_dst_m);
+#else
+ printk("%s,%d: SKB not supported\n", __FILE__, __LINE__);
+#endif
+
+ crp = (struct cryptop *)re->re_crp;
+
+ re->re_desc.d_csr = 0;
+
+ crp->crp_etype = EFAULT;
+ crypto_done(crp);
+ return(0);
+}
+
+/*
+ * Routine to reset the chip and clean up.
+ * It is assumed that the caller is in splimp()
+ */
+static void
+safe_totalreset(struct safe_softc *sc)
+{
+ DPRINTF(("%s()\n", __FUNCTION__));
+
+ safe_reset_board(sc);
+ safe_init_board(sc);
+ safe_cleanchip(sc);
+}
+
+/*
+ * Is the operand suitable aligned for direct DMA. Each
+ * segment must be aligned on a 32-bit boundary and all
+ * but the last segment must be a multiple of 4 bytes.
+ */
+static int
+safe_dmamap_aligned(struct safe_softc *sc, const struct safe_operand *op)
+{
+ int i;
+
+ DPRINTF(("%s()\n", __FUNCTION__));
+
+ for (i = 0; i < op->nsegs; i++) {
+ if (op->segs[i].ds_addr & 3)
+ return (0);
+ if (i != (op->nsegs - 1) && (op->segs[i].ds_len & 3))
+ return (0);
+ }
+ return (1);
+}
+
+/*
+ * Is the operand suitable for direct DMA as the destination
+ * of an operation. The hardware requires that each ``particle''
+ * but the last in an operation result have the same size. We
+ * fix that size at SAFE_MAX_DSIZE bytes. This routine returns
+ * 0 if some segment is not a multiple of of this size, 1 if all
+ * segments are exactly this size, or 2 if segments are at worst
+ * a multple of this size.
+ */
+static int
+safe_dmamap_uniform(struct safe_softc *sc, const struct safe_operand *op)
+{
+ int result = 1;
+
+ DPRINTF(("%s()\n", __FUNCTION__));
+
+ if (op->nsegs > 0) {
+ int i;
+
+ for (i = 0; i < op->nsegs-1; i++) {
+ if (op->segs[i].ds_len % sc->sc_max_dsize)
+ return (0);
+ if (op->segs[i].ds_len != sc->sc_max_dsize)
+ result = 2;
+ }
+ }
+ return (result);
+}
+
+static int
+safe_kprocess(device_t dev, struct cryptkop *krp, int hint)
+{
+ struct safe_softc *sc = device_get_softc(dev);
+ struct safe_pkq *q;
+ unsigned long flags;
+
+ DPRINTF(("%s()\n", __FUNCTION__));
+
+ if (sc == NULL) {
+ krp->krp_status = EINVAL;
+ goto err;
+ }
+
+ if (krp->krp_op != CRK_MOD_EXP) {
+ krp->krp_status = EOPNOTSUPP;
+ goto err;
+ }
+
+ q = (struct safe_pkq *) kmalloc(sizeof(*q), GFP_KERNEL);
+ if (q == NULL) {
+ krp->krp_status = ENOMEM;
+ goto err;
+ }
+ memset(q, 0, sizeof(*q));
+ q->pkq_krp = krp;
+ INIT_LIST_HEAD(&q->pkq_list);
+
+ spin_lock_irqsave(&sc->sc_pkmtx, flags);
+ list_add_tail(&q->pkq_list, &sc->sc_pkq);
+ safe_kfeed(sc);
+ spin_unlock_irqrestore(&sc->sc_pkmtx, flags);
+ return (0);
+
+err:
+ crypto_kdone(krp);
+ return (0);
+}
+
+#define SAFE_CRK_PARAM_BASE 0
+#define SAFE_CRK_PARAM_EXP 1
+#define SAFE_CRK_PARAM_MOD 2
+
+static int
+safe_kstart(struct safe_softc *sc)
+{
+ struct cryptkop *krp = sc->sc_pkq_cur->pkq_krp;
+ int exp_bits, mod_bits, base_bits;
+ u_int32_t op, a_off, b_off, c_off, d_off;
+
+ DPRINTF(("%s()\n", __FUNCTION__));
+
+ if (krp->krp_iparams < 3 || krp->krp_oparams != 1) {
+ krp->krp_status = EINVAL;
+ return (1);
+ }
+
+ base_bits = safe_ksigbits(sc, &krp->krp_param[SAFE_CRK_PARAM_BASE]);
+ if (base_bits > 2048)
+ goto too_big;
+ if (base_bits <= 0) /* 5. base not zero */
+ goto too_small;
+
+ exp_bits = safe_ksigbits(sc, &krp->krp_param[SAFE_CRK_PARAM_EXP]);
+ if (exp_bits > 2048)
+ goto too_big;
+ if (exp_bits <= 0) /* 1. exponent word length > 0 */
+ goto too_small; /* 4. exponent not zero */
+
+ mod_bits = safe_ksigbits(sc, &krp->krp_param[SAFE_CRK_PARAM_MOD]);
+ if (mod_bits > 2048)
+ goto too_big;
+ if (mod_bits <= 32) /* 2. modulus word length > 1 */
+ goto too_small; /* 8. MSW of modulus != zero */
+ if (mod_bits < exp_bits) /* 3 modulus len >= exponent len */
+ goto too_small;
+ if ((krp->krp_param[SAFE_CRK_PARAM_MOD].crp_p[0] & 1) == 0)
+ goto bad_domain; /* 6. modulus is odd */
+ if (mod_bits > krp->krp_param[krp->krp_iparams].crp_nbits)
+ goto too_small; /* make sure result will fit */
+
+ /* 7. modulus > base */
+ if (mod_bits < base_bits)
+ goto too_small;
+ if (mod_bits == base_bits) {
+ u_int8_t *basep, *modp;
+ int i;
+
+ basep = krp->krp_param[SAFE_CRK_PARAM_BASE].crp_p +
+ ((base_bits + 7) / 8) - 1;
+ modp = krp->krp_param[SAFE_CRK_PARAM_MOD].crp_p +
+ ((mod_bits + 7) / 8) - 1;
+
+ for (i = 0; i < (mod_bits + 7) / 8; i++, basep--, modp--) {
+ if (*modp < *basep)
+ goto too_small;
+ if (*modp > *basep)
+ break;
+ }
+ }
+
+ /* And on the 9th step, he rested. */
+
+ WRITE_REG(sc, SAFE_PK_A_LEN, (exp_bits + 31) / 32);
+ WRITE_REG(sc, SAFE_PK_B_LEN, (mod_bits + 31) / 32);
+ if (mod_bits > 1024) {
+ op = SAFE_PK_FUNC_EXP4;
+ a_off = 0x000;
+ b_off = 0x100;
+ c_off = 0x200;
+ d_off = 0x300;
+ } else {
+ op = SAFE_PK_FUNC_EXP16;
+ a_off = 0x000;
+ b_off = 0x080;
+ c_off = 0x100;
+ d_off = 0x180;
+ }
+ sc->sc_pk_reslen = b_off - a_off;
+ sc->sc_pk_resoff = d_off;
+
+ /* A is exponent, B is modulus, C is base, D is result */
+ safe_kload_reg(sc, a_off, b_off - a_off,
+ &krp->krp_param[SAFE_CRK_PARAM_EXP]);
+ WRITE_REG(sc, SAFE_PK_A_ADDR, a_off >> 2);
+ safe_kload_reg(sc, b_off, b_off - a_off,
+ &krp->krp_param[SAFE_CRK_PARAM_MOD]);
+ WRITE_REG(sc, SAFE_PK_B_ADDR, b_off >> 2);
+ safe_kload_reg(sc, c_off, b_off - a_off,
+ &krp->krp_param[SAFE_CRK_PARAM_BASE]);
+ WRITE_REG(sc, SAFE_PK_C_ADDR, c_off >> 2);
+ WRITE_REG(sc, SAFE_PK_D_ADDR, d_off >> 2);
+
+ WRITE_REG(sc, SAFE_PK_FUNC, op | SAFE_PK_FUNC_RUN);
+
+ return (0);
+
+too_big:
+ krp->krp_status = E2BIG;
+ return (1);
+too_small:
+ krp->krp_status = ERANGE;
+ return (1);
+bad_domain:
+ krp->krp_status = EDOM;
+ return (1);
+}
+
+static int
+safe_ksigbits(struct safe_softc *sc, struct crparam *cr)
+{
+ u_int plen = (cr->crp_nbits + 7) / 8;
+ int i, sig = plen * 8;
+ u_int8_t c, *p = cr->crp_p;
+
+ DPRINTF(("%s()\n", __FUNCTION__));
+
+ for (i = plen - 1; i >= 0; i--) {
+ c = p[i];
+ if (c != 0) {
+ while ((c & 0x80) == 0) {
+ sig--;
+ c <<= 1;
+ }
+ break;
+ }
+ sig -= 8;
+ }
+ return (sig);
+}
+
+static void
+safe_kfeed(struct safe_softc *sc)
+{
+ struct safe_pkq *q, *tmp;
+
+ DPRINTF(("%s()\n", __FUNCTION__));
+
+ if (list_empty(&sc->sc_pkq) && sc->sc_pkq_cur == NULL)
+ return;
+ if (sc->sc_pkq_cur != NULL)
+ return;
+ list_for_each_entry_safe(q, tmp, &sc->sc_pkq, pkq_list) {
+ sc->sc_pkq_cur = q;
+ list_del(&q->pkq_list);
+ if (safe_kstart(sc) != 0) {
+ crypto_kdone(q->pkq_krp);
+ kfree(q);
+ sc->sc_pkq_cur = NULL;
+ } else {
+ /* op started, start polling */
+ mod_timer(&sc->sc_pkto, jiffies + 1);
+ break;
+ }
+ }
+}
+
+static void
+safe_kpoll(unsigned long arg)
+{
+ struct safe_softc *sc = NULL;
+ struct safe_pkq *q;
+ struct crparam *res;
+ int i;
+ u_int32_t buf[64];
+ unsigned long flags;
+
+ DPRINTF(("%s()\n", __FUNCTION__));
+
+ if (arg >= SAFE_MAX_CHIPS)
+ return;
+ sc = safe_chip_idx[arg];
+ if (!sc) {
+ DPRINTF(("%s() - bad callback\n", __FUNCTION__));
+ return;
+ }
+
+ spin_lock_irqsave(&sc->sc_pkmtx, flags);
+ if (sc->sc_pkq_cur == NULL)
+ goto out;
+ if (READ_REG(sc, SAFE_PK_FUNC) & SAFE_PK_FUNC_RUN) {
+ /* still running, check back later */
+ mod_timer(&sc->sc_pkto, jiffies + 1);
+ goto out;
+ }
+
+ q = sc->sc_pkq_cur;
+ res = &q->pkq_krp->krp_param[q->pkq_krp->krp_iparams];
+ bzero(buf, sizeof(buf));
+ bzero(res->crp_p, (res->crp_nbits + 7) / 8);
+ for (i = 0; i < sc->sc_pk_reslen >> 2; i++)
+ buf[i] = le32_to_cpu(READ_REG(sc, SAFE_PK_RAM_START +
+ sc->sc_pk_resoff + (i << 2)));
+ bcopy(buf, res->crp_p, (res->crp_nbits + 7) / 8);
+ /*
+ * reduce the bits that need copying if possible
+ */
+ res->crp_nbits = min(res->crp_nbits,sc->sc_pk_reslen * 8);
+ res->crp_nbits = safe_ksigbits(sc, res);
+
+ for (i = SAFE_PK_RAM_START; i < SAFE_PK_RAM_END; i += 4)
+ WRITE_REG(sc, i, 0);
+
+ crypto_kdone(q->pkq_krp);
+ kfree(q);
+ sc->sc_pkq_cur = NULL;
+
+ safe_kfeed(sc);
+out:
+ spin_unlock_irqrestore(&sc->sc_pkmtx, flags);
+}
+
+static void
+safe_kload_reg(struct safe_softc *sc, u_int32_t off, u_int32_t len,
+ struct crparam *n)
+{
+ u_int32_t buf[64], i;
+
+ DPRINTF(("%s()\n", __FUNCTION__));
+
+ bzero(buf, sizeof(buf));
+ bcopy(n->crp_p, buf, (n->crp_nbits + 7) / 8);
+
+ for (i = 0; i < len >> 2; i++)
+ WRITE_REG(sc, SAFE_PK_RAM_START + off + (i << 2),
+ cpu_to_le32(buf[i]));
+}
+
+#ifdef SAFE_DEBUG
+static void
+safe_dump_dmastatus(struct safe_softc *sc, const char *tag)
+{
+ printf("%s: ENDIAN 0x%x SRC 0x%x DST 0x%x STAT 0x%x\n"
+ , tag
+ , READ_REG(sc, SAFE_DMA_ENDIAN)
+ , READ_REG(sc, SAFE_DMA_SRCADDR)
+ , READ_REG(sc, SAFE_DMA_DSTADDR)
+ , READ_REG(sc, SAFE_DMA_STAT)
+ );
+}
+
+static void
+safe_dump_intrstate(struct safe_softc *sc, const char *tag)
+{
+ printf("%s: HI_CFG 0x%x HI_MASK 0x%x HI_DESC_CNT 0x%x HU_STAT 0x%x HM_STAT 0x%x\n"
+ , tag
+ , READ_REG(sc, SAFE_HI_CFG)
+ , READ_REG(sc, SAFE_HI_MASK)
+ , READ_REG(sc, SAFE_HI_DESC_CNT)
+ , READ_REG(sc, SAFE_HU_STAT)
+ , READ_REG(sc, SAFE_HM_STAT)
+ );
+}
+
+static void
+safe_dump_ringstate(struct safe_softc *sc, const char *tag)
+{
+ u_int32_t estat = READ_REG(sc, SAFE_PE_ERNGSTAT);
+
+ /* NB: assume caller has lock on ring */
+ printf("%s: ERNGSTAT %x (next %u) back %lu front %lu\n",
+ tag,
+ estat, (estat >> SAFE_PE_ERNGSTAT_NEXT_S),
+ (unsigned long)(sc->sc_back - sc->sc_ring),
+ (unsigned long)(sc->sc_front - sc->sc_ring));
+}
+
+static void
+safe_dump_request(struct safe_softc *sc, const char* tag, struct safe_ringentry *re)
+{
+ int ix, nsegs;
+
+ ix = re - sc->sc_ring;
+ printf("%s: %p (%u): csr %x src %x dst %x sa %x len %x\n"
+ , tag
+ , re, ix
+ , re->re_desc.d_csr
+ , re->re_desc.d_src
+ , re->re_desc.d_dst
+ , re->re_desc.d_sa
+ , re->re_desc.d_len
+ );
+ if (re->re_src.nsegs > 1) {
+ ix = (re->re_desc.d_src - sc->sc_spalloc.dma_paddr) /
+ sizeof(struct safe_pdesc);
+ for (nsegs = re->re_src.nsegs; nsegs; nsegs--) {
+ printf(" spd[%u] %p: %p size %u flags %x"
+ , ix, &sc->sc_spring[ix]
+ , (caddr_t)(uintptr_t) sc->sc_spring[ix].pd_addr
+ , sc->sc_spring[ix].pd_size
+ , sc->sc_spring[ix].pd_flags
+ );
+ if (sc->sc_spring[ix].pd_size == 0)
+ printf(" (zero!)");
+ printf("\n");
+ if (++ix == SAFE_TOTAL_SPART)
+ ix = 0;
+ }
+ }
+ if (re->re_dst.nsegs > 1) {
+ ix = (re->re_desc.d_dst - sc->sc_dpalloc.dma_paddr) /
+ sizeof(struct safe_pdesc);
+ for (nsegs = re->re_dst.nsegs; nsegs; nsegs--) {
+ printf(" dpd[%u] %p: %p flags %x\n"
+ , ix, &sc->sc_dpring[ix]
+ , (caddr_t)(uintptr_t) sc->sc_dpring[ix].pd_addr
+ , sc->sc_dpring[ix].pd_flags
+ );
+ if (++ix == SAFE_TOTAL_DPART)
+ ix = 0;
+ }
+ }
+ printf("sa: cmd0 %08x cmd1 %08x staterec %x\n",
+ re->re_sa.sa_cmd0, re->re_sa.sa_cmd1, re->re_sa.sa_staterec);
+ printf("sa: key %x %x %x %x %x %x %x %x\n"
+ , re->re_sa.sa_key[0]
+ , re->re_sa.sa_key[1]
+ , re->re_sa.sa_key[2]
+ , re->re_sa.sa_key[3]
+ , re->re_sa.sa_key[4]
+ , re->re_sa.sa_key[5]
+ , re->re_sa.sa_key[6]
+ , re->re_sa.sa_key[7]
+ );
+ printf("sa: indigest %x %x %x %x %x\n"
+ , re->re_sa.sa_indigest[0]
+ , re->re_sa.sa_indigest[1]
+ , re->re_sa.sa_indigest[2]
+ , re->re_sa.sa_indigest[3]
+ , re->re_sa.sa_indigest[4]
+ );
+ printf("sa: outdigest %x %x %x %x %x\n"
+ , re->re_sa.sa_outdigest[0]
+ , re->re_sa.sa_outdigest[1]
+ , re->re_sa.sa_outdigest[2]
+ , re->re_sa.sa_outdigest[3]
+ , re->re_sa.sa_outdigest[4]
+ );
+ printf("sr: iv %x %x %x %x\n"
+ , re->re_sastate.sa_saved_iv[0]
+ , re->re_sastate.sa_saved_iv[1]
+ , re->re_sastate.sa_saved_iv[2]
+ , re->re_sastate.sa_saved_iv[3]
+ );
+ printf("sr: hashbc %u indigest %x %x %x %x %x\n"
+ , re->re_sastate.sa_saved_hashbc
+ , re->re_sastate.sa_saved_indigest[0]
+ , re->re_sastate.sa_saved_indigest[1]
+ , re->re_sastate.sa_saved_indigest[2]
+ , re->re_sastate.sa_saved_indigest[3]
+ , re->re_sastate.sa_saved_indigest[4]
+ );
+}
+
+static void
+safe_dump_ring(struct safe_softc *sc, const char *tag)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&sc->sc_ringmtx, flags);
+ printf("\nSafeNet Ring State:\n");
+ safe_dump_intrstate(sc, tag);
+ safe_dump_dmastatus(sc, tag);
+ safe_dump_ringstate(sc, tag);
+ if (sc->sc_nqchip) {
+ struct safe_ringentry *re = sc->sc_back;
+ do {
+ safe_dump_request(sc, tag, re);
+ if (++re == sc->sc_ringtop)
+ re = sc->sc_ring;
+ } while (re != sc->sc_front);
+ }
+ spin_unlock_irqrestore(&sc->sc_ringmtx, flags);
+}
+#endif /* SAFE_DEBUG */
+
+
+static int safe_probe(struct pci_dev *dev, const struct pci_device_id *ent)
+{
+ struct safe_softc *sc = NULL;
+ u32 mem_start, mem_len, cmd;
+ int i, rc, devinfo;
+ dma_addr_t raddr;
+ static int num_chips = 0;
+
+ DPRINTF(("%s()\n", __FUNCTION__));
+
+ if (pci_enable_device(dev) < 0)
+ return(-ENODEV);
+
+ if (!dev->irq) {
+ printk("safe: found device with no IRQ assigned. check BIOS settings!");
+ pci_disable_device(dev);
+ return(-ENODEV);
+ }
+
+ if (pci_set_mwi(dev)) {
+ printk("safe: pci_set_mwi failed!");
+ return(-ENODEV);
+ }
+
+ sc = (struct safe_softc *) kmalloc(sizeof(*sc), GFP_KERNEL);
+ if (!sc)
+ return(-ENOMEM);
+ memset(sc, 0, sizeof(*sc));
+
+ softc_device_init(sc, "safe", num_chips, safe_methods);
+
+ sc->sc_irq = -1;
+ sc->sc_cid = -1;
+ sc->sc_pcidev = dev;
+ if (num_chips < SAFE_MAX_CHIPS) {
+ safe_chip_idx[device_get_unit(sc->sc_dev)] = sc;
+ num_chips++;
+ }
+
+ INIT_LIST_HEAD(&sc->sc_pkq);
+ spin_lock_init(&sc->sc_pkmtx);
+
+ pci_set_drvdata(sc->sc_pcidev, sc);
+
+ /* we read its hardware registers as memory */
+ mem_start = pci_resource_start(sc->sc_pcidev, 0);
+ mem_len = pci_resource_len(sc->sc_pcidev, 0);
+
+ sc->sc_base_addr = (ocf_iomem_t) ioremap(mem_start, mem_len);
+ if (!sc->sc_base_addr) {
+ device_printf(sc->sc_dev, "failed to ioremap 0x%x-0x%x\n",
+ mem_start, mem_start + mem_len - 1);
+ goto out;
+ }
+
+ /* fix up the bus size */
+ if (pci_set_dma_mask(sc->sc_pcidev, DMA_32BIT_MASK)) {
+ device_printf(sc->sc_dev, "No usable DMA configuration, aborting.\n");
+ goto out;
+ }
+ if (pci_set_consistent_dma_mask(sc->sc_pcidev, DMA_32BIT_MASK)) {
+ device_printf(sc->sc_dev, "No usable consistent DMA configuration, aborting.\n");
+ goto out;
+ }
+
+ pci_set_master(sc->sc_pcidev);
+
+ pci_read_config_dword(sc->sc_pcidev, PCI_COMMAND, &cmd);
+
+ if (!(cmd & PCI_COMMAND_MEMORY)) {
+ device_printf(sc->sc_dev, "failed to enable memory mapping\n");
+ goto out;
+ }
+
+ if (!(cmd & PCI_COMMAND_MASTER)) {
+ device_printf(sc->sc_dev, "failed to enable bus mastering\n");
+ goto out;
+ }
+
+ rc = request_irq(dev->irq, safe_intr, IRQF_SHARED, "safe", sc);
+ if (rc) {
+ device_printf(sc->sc_dev, "failed to hook irq %d\n", sc->sc_irq);
+ goto out;
+ }
+ sc->sc_irq = dev->irq;
+
+ sc->sc_chiprev = READ_REG(sc, SAFE_DEVINFO) &
+ (SAFE_DEVINFO_REV_MAJ | SAFE_DEVINFO_REV_MIN);
+
+ /*
+ * Allocate packet engine descriptors.
+ */
+ sc->sc_ringalloc.dma_vaddr = pci_alloc_consistent(sc->sc_pcidev,
+ SAFE_MAX_NQUEUE * sizeof (struct safe_ringentry),
+ &sc->sc_ringalloc.dma_paddr);
+ if (!sc->sc_ringalloc.dma_vaddr) {
+ device_printf(sc->sc_dev, "cannot allocate PE descriptor ring\n");
+ goto out;
+ }
+
+ /*
+ * Hookup the static portion of all our data structures.
+ */
+ sc->sc_ring = (struct safe_ringentry *) sc->sc_ringalloc.dma_vaddr;
+ sc->sc_ringtop = sc->sc_ring + SAFE_MAX_NQUEUE;
+ sc->sc_front = sc->sc_ring;
+ sc->sc_back = sc->sc_ring;
+ raddr = sc->sc_ringalloc.dma_paddr;
+ bzero(sc->sc_ring, SAFE_MAX_NQUEUE * sizeof(struct safe_ringentry));
+ for (i = 0; i < SAFE_MAX_NQUEUE; i++) {
+ struct safe_ringentry *re = &sc->sc_ring[i];
+
+ re->re_desc.d_sa = raddr +
+ offsetof(struct safe_ringentry, re_sa);
+ re->re_sa.sa_staterec = raddr +
+ offsetof(struct safe_ringentry, re_sastate);
+
+ raddr += sizeof (struct safe_ringentry);
+ }
+ spin_lock_init(&sc->sc_ringmtx);
+
+ /*
+ * Allocate scatter and gather particle descriptors.
+ */
+ sc->sc_spalloc.dma_vaddr = pci_alloc_consistent(sc->sc_pcidev,
+ SAFE_TOTAL_SPART * sizeof (struct safe_pdesc),
+ &sc->sc_spalloc.dma_paddr);
+ if (!sc->sc_spalloc.dma_vaddr) {
+ device_printf(sc->sc_dev, "cannot allocate source particle descriptor ring\n");
+ goto out;
+ }
+ sc->sc_spring = (struct safe_pdesc *) sc->sc_spalloc.dma_vaddr;
+ sc->sc_springtop = sc->sc_spring + SAFE_TOTAL_SPART;
+ sc->sc_spfree = sc->sc_spring;
+ bzero(sc->sc_spring, SAFE_TOTAL_SPART * sizeof(struct safe_pdesc));
+
+ sc->sc_dpalloc.dma_vaddr = pci_alloc_consistent(sc->sc_pcidev,
+ SAFE_TOTAL_DPART * sizeof (struct safe_pdesc),
+ &sc->sc_dpalloc.dma_paddr);
+ if (!sc->sc_dpalloc.dma_vaddr) {
+ device_printf(sc->sc_dev, "cannot allocate destination particle descriptor ring\n");
+ goto out;
+ }
+ sc->sc_dpring = (struct safe_pdesc *) sc->sc_dpalloc.dma_vaddr;
+ sc->sc_dpringtop = sc->sc_dpring + SAFE_TOTAL_DPART;
+ sc->sc_dpfree = sc->sc_dpring;
+ bzero(sc->sc_dpring, SAFE_TOTAL_DPART * sizeof(struct safe_pdesc));
+
+ sc->sc_cid = crypto_get_driverid(softc_get_device(sc), CRYPTOCAP_F_HARDWARE);
+ if (sc->sc_cid < 0) {
+ device_printf(sc->sc_dev, "could not get crypto driver id\n");
+ goto out;
+ }
+
+ printf("%s:", device_get_nameunit(sc->sc_dev));
+
+ devinfo = READ_REG(sc, SAFE_DEVINFO);
+ if (devinfo & SAFE_DEVINFO_RNG) {
+ sc->sc_flags |= SAFE_FLAGS_RNG;
+ printf(" rng");
+ }
+ if (devinfo & SAFE_DEVINFO_PKEY) {
+ printf(" key");
+ sc->sc_flags |= SAFE_FLAGS_KEY;
+ crypto_kregister(sc->sc_cid, CRK_MOD_EXP, 0);
+#if 0
+ crypto_kregister(sc->sc_cid, CRK_MOD_EXP_CRT, 0);
+#endif
+ init_timer(&sc->sc_pkto);
+ sc->sc_pkto.function = safe_kpoll;
+ sc->sc_pkto.data = (unsigned long) device_get_unit(sc->sc_dev);
+ }
+ if (devinfo & SAFE_DEVINFO_DES) {
+ printf(" des/3des");
+ crypto_register(sc->sc_cid, CRYPTO_3DES_CBC, 0, 0);
+ crypto_register(sc->sc_cid, CRYPTO_DES_CBC, 0, 0);
+ }
+ if (devinfo & SAFE_DEVINFO_AES) {
+ printf(" aes");
+ crypto_register(sc->sc_cid, CRYPTO_AES_CBC, 0, 0);
+ }
+ if (devinfo & SAFE_DEVINFO_MD5) {
+ printf(" md5");
+ crypto_register(sc->sc_cid, CRYPTO_MD5_HMAC, 0, 0);
+ }
+ if (devinfo & SAFE_DEVINFO_SHA1) {
+ printf(" sha1");
+ crypto_register(sc->sc_cid, CRYPTO_SHA1_HMAC, 0, 0);
+ }
+ printf(" null");
+ crypto_register(sc->sc_cid, CRYPTO_NULL_CBC, 0, 0);
+ crypto_register(sc->sc_cid, CRYPTO_NULL_HMAC, 0, 0);
+ /* XXX other supported algorithms */
+ printf("\n");
+
+ safe_reset_board(sc); /* reset h/w */
+ safe_init_board(sc); /* init h/w */
+
+#if defined(CONFIG_OCF_RANDOMHARVEST) && !defined(SAFE_NO_RNG)
+ if (sc->sc_flags & SAFE_FLAGS_RNG) {
+ safe_rng_init(sc);
+ crypto_rregister(sc->sc_cid, safe_read_random, sc);
+ }
+#endif /* SAFE_NO_RNG */
+
+ return (0);
+
+out:
+ if (sc->sc_cid >= 0)
+ crypto_unregister_all(sc->sc_cid);
+ if (sc->sc_irq != -1)
+ free_irq(sc->sc_irq, sc);
+ if (sc->sc_ringalloc.dma_vaddr)
+ pci_free_consistent(sc->sc_pcidev,
+ SAFE_MAX_NQUEUE * sizeof (struct safe_ringentry),
+ sc->sc_ringalloc.dma_vaddr, sc->sc_ringalloc.dma_paddr);
+ if (sc->sc_spalloc.dma_vaddr)
+ pci_free_consistent(sc->sc_pcidev,
+ SAFE_TOTAL_DPART * sizeof (struct safe_pdesc),
+ sc->sc_spalloc.dma_vaddr, sc->sc_spalloc.dma_paddr);
+ if (sc->sc_dpalloc.dma_vaddr)
+ pci_free_consistent(sc->sc_pcidev,
+ SAFE_TOTAL_DPART * sizeof (struct safe_pdesc),
+ sc->sc_dpalloc.dma_vaddr, sc->sc_dpalloc.dma_paddr);
+ kfree(sc);
+ return(-ENODEV);
+}
+
+static void safe_remove(struct pci_dev *dev)
+{
+ struct safe_softc *sc = pci_get_drvdata(dev);
+
+ DPRINTF(("%s()\n", __FUNCTION__));
+
+ /* XXX wait/abort active ops */
+
+ WRITE_REG(sc, SAFE_HI_MASK, 0); /* disable interrupts */
+
+ del_timer_sync(&sc->sc_pkto);
+
+ crypto_unregister_all(sc->sc_cid);
+
+ safe_cleanchip(sc);
+
+ if (sc->sc_irq != -1)
+ free_irq(sc->sc_irq, sc);
+ if (sc->sc_ringalloc.dma_vaddr)
+ pci_free_consistent(sc->sc_pcidev,
+ SAFE_MAX_NQUEUE * sizeof (struct safe_ringentry),
+ sc->sc_ringalloc.dma_vaddr, sc->sc_ringalloc.dma_paddr);
+ if (sc->sc_spalloc.dma_vaddr)
+ pci_free_consistent(sc->sc_pcidev,
+ SAFE_TOTAL_DPART * sizeof (struct safe_pdesc),
+ sc->sc_spalloc.dma_vaddr, sc->sc_spalloc.dma_paddr);
+ if (sc->sc_dpalloc.dma_vaddr)
+ pci_free_consistent(sc->sc_pcidev,
+ SAFE_TOTAL_DPART * sizeof (struct safe_pdesc),
+ sc->sc_dpalloc.dma_vaddr, sc->sc_dpalloc.dma_paddr);
+ sc->sc_irq = -1;
+ sc->sc_ringalloc.dma_vaddr = NULL;
+ sc->sc_spalloc.dma_vaddr = NULL;
+ sc->sc_dpalloc.dma_vaddr = NULL;
+}
+
+static struct pci_device_id safe_pci_tbl[] = {
+ { PCI_VENDOR_SAFENET, PCI_PRODUCT_SAFEXCEL,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, },
+ { },
+};
+MODULE_DEVICE_TABLE(pci, safe_pci_tbl);
+
+static struct pci_driver safe_driver = {
+ .name = "safe",
+ .id_table = safe_pci_tbl,
+ .probe = safe_probe,
+ .remove = safe_remove,
+ /* add PM stuff here one day */
+};
+
+static int __init safe_init (void)
+{
+ struct safe_softc *sc = NULL;
+ int rc;
+
+ DPRINTF(("%s(%p)\n", __FUNCTION__, safe_init));
+
+ rc = pci_register_driver(&safe_driver);
+ pci_register_driver_compat(&safe_driver, rc);
+
+ return rc;
+}
+
+static void __exit safe_exit (void)
+{
+ pci_unregister_driver(&safe_driver);
+}
+
+module_init(safe_init);
+module_exit(safe_exit);
+
+MODULE_LICENSE("BSD");
+MODULE_AUTHOR("David McCullough <david_mccullough@mcafee.com>");
+MODULE_DESCRIPTION("OCF driver for safenet PCI crypto devices");
diff --git a/target/linux/generic/files/crypto/ocf/safe/safereg.h b/target/linux/generic/files/crypto/ocf/safe/safereg.h
new file mode 100644
index 0000000000..dbaf98fe78
--- /dev/null
+++ b/target/linux/generic/files/crypto/ocf/safe/safereg.h
@@ -0,0 +1,421 @@
+/*-
+ * Copyright (c) 2003 Sam Leffler, Errno Consulting
+ * Copyright (c) 2003 Global Technology Associates, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD: src/sys/dev/safe/safereg.h,v 1.1 2003/07/21 21:46:07 sam Exp $
+ */
+#ifndef _SAFE_SAFEREG_H_
+#define _SAFE_SAFEREG_H_
+
+/*
+ * Register definitions for SafeNet SafeXcel-1141 crypto device.
+ * Definitions from revision 1.3 (Nov 6 2002) of the User's Manual.
+ */
+
+#define BS_BAR 0x10 /* DMA base address register */
+#define BS_TRDY_TIMEOUT 0x40 /* TRDY timeout */
+#define BS_RETRY_TIMEOUT 0x41 /* DMA retry timeout */
+
+#define PCI_VENDOR_SAFENET 0x16ae /* SafeNet, Inc. */
+
+/* SafeNet */
+#define PCI_PRODUCT_SAFEXCEL 0x1141 /* 1141 */
+
+#define SAFE_PE_CSR 0x0000 /* Packet Enginge Ctrl/Status */
+#define SAFE_PE_SRC 0x0004 /* Packet Engine Source */
+#define SAFE_PE_DST 0x0008 /* Packet Engine Destination */
+#define SAFE_PE_SA 0x000c /* Packet Engine SA */
+#define SAFE_PE_LEN 0x0010 /* Packet Engine Length */
+#define SAFE_PE_DMACFG 0x0040 /* Packet Engine DMA Configuration */
+#define SAFE_PE_DMASTAT 0x0044 /* Packet Engine DMA Status */
+#define SAFE_PE_PDRBASE 0x0048 /* Packet Engine Descriptor Ring Base */
+#define SAFE_PE_RDRBASE 0x004c /* Packet Engine Result Ring Base */
+#define SAFE_PE_RINGCFG 0x0050 /* Packet Engine Ring Configuration */
+#define SAFE_PE_RINGPOLL 0x0054 /* Packet Engine Ring Poll */
+#define SAFE_PE_IRNGSTAT 0x0058 /* Packet Engine Internal Ring Status */
+#define SAFE_PE_ERNGSTAT 0x005c /* Packet Engine External Ring Status */
+#define SAFE_PE_IOTHRESH 0x0060 /* Packet Engine I/O Threshold */
+#define SAFE_PE_GRNGBASE 0x0064 /* Packet Engine Gather Ring Base */
+#define SAFE_PE_SRNGBASE 0x0068 /* Packet Engine Scatter Ring Base */
+#define SAFE_PE_PARTSIZE 0x006c /* Packet Engine Particlar Ring Size */
+#define SAFE_PE_PARTCFG 0x0070 /* Packet Engine Particle Ring Config */
+#define SAFE_CRYPTO_CTRL 0x0080 /* Crypto Control */
+#define SAFE_DEVID 0x0084 /* Device ID */
+#define SAFE_DEVINFO 0x0088 /* Device Info */
+#define SAFE_HU_STAT 0x00a0 /* Host Unmasked Status */
+#define SAFE_HM_STAT 0x00a4 /* Host Masked Status (read-only) */
+#define SAFE_HI_CLR 0x00a4 /* Host Clear Interrupt (write-only) */
+#define SAFE_HI_MASK 0x00a8 /* Host Mask Control */
+#define SAFE_HI_CFG 0x00ac /* Interrupt Configuration */
+#define SAFE_HI_RD_DESCR 0x00b4 /* Force Descriptor Read */
+#define SAFE_HI_DESC_CNT 0x00b8 /* Host Descriptor Done Count */
+#define SAFE_DMA_ENDIAN 0x00c0 /* Master Endian Status */
+#define SAFE_DMA_SRCADDR 0x00c4 /* DMA Source Address Status */
+#define SAFE_DMA_DSTADDR 0x00c8 /* DMA Destination Address Status */
+#define SAFE_DMA_STAT 0x00cc /* DMA Current Status */
+#define SAFE_DMA_CFG 0x00d4 /* DMA Configuration/Status */
+#define SAFE_ENDIAN 0x00e0 /* Endian Configuration */
+#define SAFE_PK_A_ADDR 0x0800 /* Public Key A Address */
+#define SAFE_PK_B_ADDR 0x0804 /* Public Key B Address */
+#define SAFE_PK_C_ADDR 0x0808 /* Public Key C Address */
+#define SAFE_PK_D_ADDR 0x080c /* Public Key D Address */
+#define SAFE_PK_A_LEN 0x0810 /* Public Key A Length */
+#define SAFE_PK_B_LEN 0x0814 /* Public Key B Length */
+#define SAFE_PK_SHIFT 0x0818 /* Public Key Shift */
+#define SAFE_PK_FUNC 0x081c /* Public Key Function */
+#define SAFE_PK_RAM_START 0x1000 /* Public Key RAM start address */
+#define SAFE_PK_RAM_END 0x1fff /* Public Key RAM end address */
+
+#define SAFE_RNG_OUT 0x0100 /* RNG Output */
+#define SAFE_RNG_STAT 0x0104 /* RNG Status */
+#define SAFE_RNG_CTRL 0x0108 /* RNG Control */
+#define SAFE_RNG_A 0x010c /* RNG A */
+#define SAFE_RNG_B 0x0110 /* RNG B */
+#define SAFE_RNG_X_LO 0x0114 /* RNG X [31:0] */
+#define SAFE_RNG_X_MID 0x0118 /* RNG X [63:32] */
+#define SAFE_RNG_X_HI 0x011c /* RNG X [80:64] */
+#define SAFE_RNG_X_CNTR 0x0120 /* RNG Counter */
+#define SAFE_RNG_ALM_CNT 0x0124 /* RNG Alarm Count */
+#define SAFE_RNG_CNFG 0x0128 /* RNG Configuration */
+#define SAFE_RNG_LFSR1_LO 0x012c /* RNG LFSR1 [31:0] */
+#define SAFE_RNG_LFSR1_HI 0x0130 /* RNG LFSR1 [47:32] */
+#define SAFE_RNG_LFSR2_LO 0x0134 /* RNG LFSR1 [31:0] */
+#define SAFE_RNG_LFSR2_HI 0x0138 /* RNG LFSR1 [47:32] */
+
+#define SAFE_PE_CSR_READY 0x00000001 /* ready for processing */
+#define SAFE_PE_CSR_DONE 0x00000002 /* h/w completed processing */
+#define SAFE_PE_CSR_LOADSA 0x00000004 /* load SA digests */
+#define SAFE_PE_CSR_HASHFINAL 0x00000010 /* do hash pad & write result */
+#define SAFE_PE_CSR_SABUSID 0x000000c0 /* bus id for SA */
+#define SAFE_PE_CSR_SAPCI 0x00000040 /* PCI bus id for SA */
+#define SAFE_PE_CSR_NXTHDR 0x0000ff00 /* next hdr value for IPsec */
+#define SAFE_PE_CSR_FPAD 0x0000ff00 /* fixed pad for basic ops */
+#define SAFE_PE_CSR_STATUS 0x00ff0000 /* operation result status */
+#define SAFE_PE_CSR_AUTH_FAIL 0x00010000 /* ICV mismatch (inbound) */
+#define SAFE_PE_CSR_PAD_FAIL 0x00020000 /* pad verify fail (inbound) */
+#define SAFE_PE_CSR_SEQ_FAIL 0x00040000 /* sequence number (inbound) */
+#define SAFE_PE_CSR_XERROR 0x00080000 /* extended error follows */
+#define SAFE_PE_CSR_XECODE 0x00f00000 /* extended error code */
+#define SAFE_PE_CSR_XECODE_S 20
+#define SAFE_PE_CSR_XECODE_BADCMD 0 /* invalid command */
+#define SAFE_PE_CSR_XECODE_BADALG 1 /* invalid algorithm */
+#define SAFE_PE_CSR_XECODE_ALGDIS 2 /* algorithm disabled */
+#define SAFE_PE_CSR_XECODE_ZEROLEN 3 /* zero packet length */
+#define SAFE_PE_CSR_XECODE_DMAERR 4 /* bus DMA error */
+#define SAFE_PE_CSR_XECODE_PIPEABORT 5 /* secondary bus DMA error */
+#define SAFE_PE_CSR_XECODE_BADSPI 6 /* IPsec SPI mismatch */
+#define SAFE_PE_CSR_XECODE_TIMEOUT 10 /* failsafe timeout */
+#define SAFE_PE_CSR_PAD 0xff000000 /* ESP padding control/status */
+#define SAFE_PE_CSR_PAD_MIN 0x00000000 /* minimum IPsec padding */
+#define SAFE_PE_CSR_PAD_16 0x08000000 /* pad to 16-byte boundary */
+#define SAFE_PE_CSR_PAD_32 0x10000000 /* pad to 32-byte boundary */
+#define SAFE_PE_CSR_PAD_64 0x20000000 /* pad to 64-byte boundary */
+#define SAFE_PE_CSR_PAD_128 0x40000000 /* pad to 128-byte boundary */
+#define SAFE_PE_CSR_PAD_256 0x80000000 /* pad to 256-byte boundary */
+
+/*
+ * Check the CSR to see if the PE has returned ownership to
+ * the host. Note that before processing a descriptor this
+ * must be done followed by a check of the SAFE_PE_LEN register
+ * status bits to avoid premature processing of a descriptor
+ * on its way back to the host.
+ */
+#define SAFE_PE_CSR_IS_DONE(_csr) \
+ (((_csr) & (SAFE_PE_CSR_READY | SAFE_PE_CSR_DONE)) == SAFE_PE_CSR_DONE)
+
+#define SAFE_PE_LEN_LENGTH 0x000fffff /* total length (bytes) */
+#define SAFE_PE_LEN_READY 0x00400000 /* ready for processing */
+#define SAFE_PE_LEN_DONE 0x00800000 /* h/w completed processing */
+#define SAFE_PE_LEN_BYPASS 0xff000000 /* bypass offset (bytes) */
+#define SAFE_PE_LEN_BYPASS_S 24
+
+#define SAFE_PE_LEN_IS_DONE(_len) \
+ (((_len) & (SAFE_PE_LEN_READY | SAFE_PE_LEN_DONE)) == SAFE_PE_LEN_DONE)
+
+/* NB: these apply to HU_STAT, HM_STAT, HI_CLR, and HI_MASK */
+#define SAFE_INT_PE_CDONE 0x00000002 /* PE context done */
+#define SAFE_INT_PE_DDONE 0x00000008 /* PE descriptor done */
+#define SAFE_INT_PE_ERROR 0x00000010 /* PE error */
+#define SAFE_INT_PE_ODONE 0x00000020 /* PE operation done */
+
+#define SAFE_HI_CFG_PULSE 0x00000001 /* use pulse interrupt */
+#define SAFE_HI_CFG_LEVEL 0x00000000 /* use level interrupt */
+#define SAFE_HI_CFG_AUTOCLR 0x00000002 /* auto-clear pulse interrupt */
+
+#define SAFE_ENDIAN_PASS 0x000000e4 /* straight pass-thru */
+#define SAFE_ENDIAN_SWAB 0x0000001b /* swap bytes in 32-bit word */
+
+#define SAFE_PE_DMACFG_PERESET 0x00000001 /* reset packet engine */
+#define SAFE_PE_DMACFG_PDRRESET 0x00000002 /* reset PDR counters/ptrs */
+#define SAFE_PE_DMACFG_SGRESET 0x00000004 /* reset scatter/gather cache */
+#define SAFE_PE_DMACFG_FSENA 0x00000008 /* enable failsafe reset */
+#define SAFE_PE_DMACFG_PEMODE 0x00000100 /* packet engine mode */
+#define SAFE_PE_DMACFG_SAPREC 0x00000200 /* SA precedes packet */
+#define SAFE_PE_DMACFG_PKFOLL 0x00000400 /* packet follows descriptor */
+#define SAFE_PE_DMACFG_GPRBID 0x00003000 /* gather particle ring busid */
+#define SAFE_PE_DMACFG_GPRPCI 0x00001000 /* PCI gather particle ring */
+#define SAFE_PE_DMACFG_SPRBID 0x0000c000 /* scatter part. ring busid */
+#define SAFE_PE_DMACFG_SPRPCI 0x00004000 /* PCI scatter part. ring */
+#define SAFE_PE_DMACFG_ESDESC 0x00010000 /* endian swap descriptors */
+#define SAFE_PE_DMACFG_ESSA 0x00020000 /* endian swap SA data */
+#define SAFE_PE_DMACFG_ESPACKET 0x00040000 /* endian swap packet data */
+#define SAFE_PE_DMACFG_ESPDESC 0x00080000 /* endian swap particle desc. */
+#define SAFE_PE_DMACFG_NOPDRUP 0x00100000 /* supp. PDR ownership update */
+#define SAFE_PD_EDMACFG_PCIMODE 0x01000000 /* PCI target mode */
+
+#define SAFE_PE_DMASTAT_PEIDONE 0x00000001 /* PE core input done */
+#define SAFE_PE_DMASTAT_PEODONE 0x00000002 /* PE core output done */
+#define SAFE_PE_DMASTAT_ENCDONE 0x00000004 /* encryption done */
+#define SAFE_PE_DMASTAT_IHDONE 0x00000008 /* inner hash done */
+#define SAFE_PE_DMASTAT_OHDONE 0x00000010 /* outer hash (HMAC) done */
+#define SAFE_PE_DMASTAT_PADFLT 0x00000020 /* crypto pad fault */
+#define SAFE_PE_DMASTAT_ICVFLT 0x00000040 /* ICV fault */
+#define SAFE_PE_DMASTAT_SPIMIS 0x00000080 /* SPI mismatch */
+#define SAFE_PE_DMASTAT_CRYPTO 0x00000100 /* crypto engine timeout */
+#define SAFE_PE_DMASTAT_CQACT 0x00000200 /* command queue active */
+#define SAFE_PE_DMASTAT_IRACT 0x00000400 /* input request active */
+#define SAFE_PE_DMASTAT_ORACT 0x00000800 /* output request active */
+#define SAFE_PE_DMASTAT_PEISIZE 0x003ff000 /* PE input size:32-bit words */
+#define SAFE_PE_DMASTAT_PEOSIZE 0xffc00000 /* PE out. size:32-bit words */
+
+#define SAFE_PE_RINGCFG_SIZE 0x000003ff /* ring size (descriptors) */
+#define SAFE_PE_RINGCFG_OFFSET 0xffff0000 /* offset btw desc's (dwords) */
+#define SAFE_PE_RINGCFG_OFFSET_S 16
+
+#define SAFE_PE_RINGPOLL_POLL 0x00000fff /* polling frequency/divisor */
+#define SAFE_PE_RINGPOLL_RETRY 0x03ff0000 /* polling frequency/divisor */
+#define SAFE_PE_RINGPOLL_CONT 0x80000000 /* continuously poll */
+
+#define SAFE_PE_IRNGSTAT_CQAVAIL 0x00000001 /* command queue available */
+
+#define SAFE_PE_ERNGSTAT_NEXT 0x03ff0000 /* index of next packet desc. */
+#define SAFE_PE_ERNGSTAT_NEXT_S 16
+
+#define SAFE_PE_IOTHRESH_INPUT 0x000003ff /* input threshold (dwords) */
+#define SAFE_PE_IOTHRESH_OUTPUT 0x03ff0000 /* output threshold (dwords) */
+
+#define SAFE_PE_PARTCFG_SIZE 0x0000ffff /* scatter particle size */
+#define SAFE_PE_PARTCFG_GBURST 0x00030000 /* gather particle burst */
+#define SAFE_PE_PARTCFG_GBURST_2 0x00000000
+#define SAFE_PE_PARTCFG_GBURST_4 0x00010000
+#define SAFE_PE_PARTCFG_GBURST_8 0x00020000
+#define SAFE_PE_PARTCFG_GBURST_16 0x00030000
+#define SAFE_PE_PARTCFG_SBURST 0x000c0000 /* scatter particle burst */
+#define SAFE_PE_PARTCFG_SBURST_2 0x00000000
+#define SAFE_PE_PARTCFG_SBURST_4 0x00040000
+#define SAFE_PE_PARTCFG_SBURST_8 0x00080000
+#define SAFE_PE_PARTCFG_SBURST_16 0x000c0000
+
+#define SAFE_PE_PARTSIZE_SCAT 0xffff0000 /* scatter particle ring size */
+#define SAFE_PE_PARTSIZE_GATH 0x0000ffff /* gather particle ring size */
+
+#define SAFE_CRYPTO_CTRL_3DES 0x00000001 /* enable 3DES support */
+#define SAFE_CRYPTO_CTRL_PKEY 0x00010000 /* enable public key support */
+#define SAFE_CRYPTO_CTRL_RNG 0x00020000 /* enable RNG support */
+
+#define SAFE_DEVINFO_REV_MIN 0x0000000f /* minor rev for chip */
+#define SAFE_DEVINFO_REV_MAJ 0x000000f0 /* major rev for chip */
+#define SAFE_DEVINFO_REV_MAJ_S 4
+#define SAFE_DEVINFO_DES 0x00000100 /* DES/3DES support present */
+#define SAFE_DEVINFO_ARC4 0x00000200 /* ARC4 support present */
+#define SAFE_DEVINFO_AES 0x00000400 /* AES support present */
+#define SAFE_DEVINFO_MD5 0x00001000 /* MD5 support present */
+#define SAFE_DEVINFO_SHA1 0x00002000 /* SHA-1 support present */
+#define SAFE_DEVINFO_RIPEMD 0x00004000 /* RIPEMD support present */
+#define SAFE_DEVINFO_DEFLATE 0x00010000 /* Deflate support present */
+#define SAFE_DEVINFO_SARAM 0x00100000 /* on-chip SA RAM present */
+#define SAFE_DEVINFO_EMIBUS 0x00200000 /* EMI bus present */
+#define SAFE_DEVINFO_PKEY 0x00400000 /* public key support present */
+#define SAFE_DEVINFO_RNG 0x00800000 /* RNG present */
+
+#define SAFE_REV(_maj, _min) (((_maj) << SAFE_DEVINFO_REV_MAJ_S) | (_min))
+#define SAFE_REV_MAJ(_chiprev) \
+ (((_chiprev) & SAFE_DEVINFO_REV_MAJ) >> SAFE_DEVINFO_REV_MAJ_S)
+#define SAFE_REV_MIN(_chiprev) ((_chiprev) & SAFE_DEVINFO_REV_MIN)
+
+#define SAFE_PK_FUNC_MULT 0x00000001 /* Multiply function */
+#define SAFE_PK_FUNC_SQUARE 0x00000004 /* Square function */
+#define SAFE_PK_FUNC_ADD 0x00000010 /* Add function */
+#define SAFE_PK_FUNC_SUB 0x00000020 /* Subtract function */
+#define SAFE_PK_FUNC_LSHIFT 0x00000040 /* Left-shift function */
+#define SAFE_PK_FUNC_RSHIFT 0x00000080 /* Right-shift function */
+#define SAFE_PK_FUNC_DIV 0x00000100 /* Divide function */
+#define SAFE_PK_FUNC_CMP 0x00000400 /* Compare function */
+#define SAFE_PK_FUNC_COPY 0x00000800 /* Copy function */
+#define SAFE_PK_FUNC_EXP16 0x00002000 /* Exponentiate (4-bit ACT) */
+#define SAFE_PK_FUNC_EXP4 0x00004000 /* Exponentiate (2-bit ACT) */
+#define SAFE_PK_FUNC_RUN 0x00008000 /* start/status */
+
+#define SAFE_RNG_STAT_BUSY 0x00000001 /* busy, data not valid */
+
+#define SAFE_RNG_CTRL_PRE_LFSR 0x00000001 /* enable output pre-LFSR */
+#define SAFE_RNG_CTRL_TST_MODE 0x00000002 /* enable test mode */
+#define SAFE_RNG_CTRL_TST_RUN 0x00000004 /* start test state machine */
+#define SAFE_RNG_CTRL_ENA_RING1 0x00000008 /* test entropy oscillator #1 */
+#define SAFE_RNG_CTRL_ENA_RING2 0x00000010 /* test entropy oscillator #2 */
+#define SAFE_RNG_CTRL_DIS_ALARM 0x00000020 /* disable RNG alarm reports */
+#define SAFE_RNG_CTRL_TST_CLOCK 0x00000040 /* enable test clock */
+#define SAFE_RNG_CTRL_SHORTEN 0x00000080 /* shorten state timers */
+#define SAFE_RNG_CTRL_TST_ALARM 0x00000100 /* simulate alarm state */
+#define SAFE_RNG_CTRL_RST_LFSR 0x00000200 /* reset LFSR */
+
+/*
+ * Packet engine descriptor. Note that d_csr is a copy of the
+ * SAFE_PE_CSR register and all definitions apply, and d_len
+ * is a copy of the SAFE_PE_LEN register and all definitions apply.
+ * d_src and d_len may point directly to contiguous data or to a
+ * list of ``particle descriptors'' when using scatter/gather i/o.
+ */
+struct safe_desc {
+ u_int32_t d_csr; /* per-packet control/status */
+ u_int32_t d_src; /* source address */
+ u_int32_t d_dst; /* destination address */
+ u_int32_t d_sa; /* SA address */
+ u_int32_t d_len; /* length, bypass, status */
+};
+
+/*
+ * Scatter/Gather particle descriptor.
+ *
+ * NB: scatter descriptors do not specify a size; this is fixed
+ * by the setting of the SAFE_PE_PARTCFG register.
+ */
+struct safe_pdesc {
+ u_int32_t pd_addr; /* particle address */
+#ifdef __BIG_ENDIAN
+ u_int16_t pd_flags; /* control word */
+ u_int16_t pd_size; /* particle size (bytes) */
+#else
+ u_int16_t pd_flags; /* control word */
+ u_int16_t pd_size; /* particle size (bytes) */
+#endif
+};
+
+#define SAFE_PD_READY 0x0001 /* ready for processing */
+#define SAFE_PD_DONE 0x0002 /* h/w completed processing */
+
+/*
+ * Security Association (SA) Record (Rev 1). One of these is
+ * required for each operation processed by the packet engine.
+ */
+struct safe_sarec {
+ u_int32_t sa_cmd0;
+ u_int32_t sa_cmd1;
+ u_int32_t sa_resv0;
+ u_int32_t sa_resv1;
+ u_int32_t sa_key[8]; /* DES/3DES/AES key */
+ u_int32_t sa_indigest[5]; /* inner digest */
+ u_int32_t sa_outdigest[5]; /* outer digest */
+ u_int32_t sa_spi; /* SPI */
+ u_int32_t sa_seqnum; /* sequence number */
+ u_int32_t sa_seqmask[2]; /* sequence number mask */
+ u_int32_t sa_resv2;
+ u_int32_t sa_staterec; /* address of state record */
+ u_int32_t sa_resv3[2];
+ u_int32_t sa_samgmt0; /* SA management field 0 */
+ u_int32_t sa_samgmt1; /* SA management field 0 */
+};
+
+#define SAFE_SA_CMD0_OP 0x00000007 /* operation code */
+#define SAFE_SA_CMD0_OP_CRYPT 0x00000000 /* encrypt/decrypt (basic) */
+#define SAFE_SA_CMD0_OP_BOTH 0x00000001 /* encrypt-hash/hash-decrypto */
+#define SAFE_SA_CMD0_OP_HASH 0x00000003 /* hash (outbound-only) */
+#define SAFE_SA_CMD0_OP_ESP 0x00000000 /* ESP in/out (proto) */
+#define SAFE_SA_CMD0_OP_AH 0x00000001 /* AH in/out (proto) */
+#define SAFE_SA_CMD0_INBOUND 0x00000008 /* inbound operation */
+#define SAFE_SA_CMD0_OUTBOUND 0x00000000 /* outbound operation */
+#define SAFE_SA_CMD0_GROUP 0x00000030 /* operation group */
+#define SAFE_SA_CMD0_BASIC 0x00000000 /* basic operation */
+#define SAFE_SA_CMD0_PROTO 0x00000010 /* protocol/packet operation */
+#define SAFE_SA_CMD0_BUNDLE 0x00000020 /* bundled operation (resvd) */
+#define SAFE_SA_CMD0_PAD 0x000000c0 /* crypto pad method */
+#define SAFE_SA_CMD0_PAD_IPSEC 0x00000000 /* IPsec padding */
+#define SAFE_SA_CMD0_PAD_PKCS7 0x00000040 /* PKCS#7 padding */
+#define SAFE_SA_CMD0_PAD_CONS 0x00000080 /* constant padding */
+#define SAFE_SA_CMD0_PAD_ZERO 0x000000c0 /* zero padding */
+#define SAFE_SA_CMD0_CRYPT_ALG 0x00000f00 /* symmetric crypto algorithm */
+#define SAFE_SA_CMD0_DES 0x00000000 /* DES crypto algorithm */
+#define SAFE_SA_CMD0_3DES 0x00000100 /* 3DES crypto algorithm */
+#define SAFE_SA_CMD0_AES 0x00000300 /* AES crypto algorithm */
+#define SAFE_SA_CMD0_CRYPT_NULL 0x00000f00 /* null crypto algorithm */
+#define SAFE_SA_CMD0_HASH_ALG 0x0000f000 /* hash algorithm */
+#define SAFE_SA_CMD0_MD5 0x00000000 /* MD5 hash algorithm */
+#define SAFE_SA_CMD0_SHA1 0x00001000 /* SHA-1 hash algorithm */
+#define SAFE_SA_CMD0_HASH_NULL 0x0000f000 /* null hash algorithm */
+#define SAFE_SA_CMD0_HDR_PROC 0x00080000 /* header processing */
+#define SAFE_SA_CMD0_IBUSID 0x00300000 /* input bus id */
+#define SAFE_SA_CMD0_IPCI 0x00100000 /* PCI input bus id */
+#define SAFE_SA_CMD0_OBUSID 0x00c00000 /* output bus id */
+#define SAFE_SA_CMD0_OPCI 0x00400000 /* PCI output bus id */
+#define SAFE_SA_CMD0_IVLD 0x03000000 /* IV loading */
+#define SAFE_SA_CMD0_IVLD_NONE 0x00000000 /* IV no load (reuse) */
+#define SAFE_SA_CMD0_IVLD_IBUF 0x01000000 /* IV load from input buffer */
+#define SAFE_SA_CMD0_IVLD_STATE 0x02000000 /* IV load from state */
+#define SAFE_SA_CMD0_HSLD 0x0c000000 /* hash state loading */
+#define SAFE_SA_CMD0_HSLD_SA 0x00000000 /* hash state load from SA */
+#define SAFE_SA_CMD0_HSLD_STATE 0x08000000 /* hash state load from state */
+#define SAFE_SA_CMD0_HSLD_NONE 0x0c000000 /* hash state no load */
+#define SAFE_SA_CMD0_SAVEIV 0x10000000 /* save IV */
+#define SAFE_SA_CMD0_SAVEHASH 0x20000000 /* save hash state */
+#define SAFE_SA_CMD0_IGATHER 0x40000000 /* input gather */
+#define SAFE_SA_CMD0_OSCATTER 0x80000000 /* output scatter */
+
+#define SAFE_SA_CMD1_HDRCOPY 0x00000002 /* copy header to output */
+#define SAFE_SA_CMD1_PAYCOPY 0x00000004 /* copy payload to output */
+#define SAFE_SA_CMD1_PADCOPY 0x00000008 /* copy pad to output */
+#define SAFE_SA_CMD1_IPV4 0x00000000 /* IPv4 protocol */
+#define SAFE_SA_CMD1_IPV6 0x00000010 /* IPv6 protocol */
+#define SAFE_SA_CMD1_MUTABLE 0x00000020 /* mutable bit processing */
+#define SAFE_SA_CMD1_SRBUSID 0x000000c0 /* state record bus id */
+#define SAFE_SA_CMD1_SRPCI 0x00000040 /* state record from PCI */
+#define SAFE_SA_CMD1_CRMODE 0x00000300 /* crypto mode */
+#define SAFE_SA_CMD1_ECB 0x00000000 /* ECB crypto mode */
+#define SAFE_SA_CMD1_CBC 0x00000100 /* CBC crypto mode */
+#define SAFE_SA_CMD1_OFB 0x00000200 /* OFB crypto mode */
+#define SAFE_SA_CMD1_CFB 0x00000300 /* CFB crypto mode */
+#define SAFE_SA_CMD1_CRFEEDBACK 0x00000c00 /* crypto feedback mode */
+#define SAFE_SA_CMD1_64BIT 0x00000000 /* 64-bit crypto feedback */
+#define SAFE_SA_CMD1_8BIT 0x00000400 /* 8-bit crypto feedback */
+#define SAFE_SA_CMD1_1BIT 0x00000800 /* 1-bit crypto feedback */
+#define SAFE_SA_CMD1_128BIT 0x00000c00 /* 128-bit crypto feedback */
+#define SAFE_SA_CMD1_OPTIONS 0x00001000 /* HMAC/options mutable bit */
+#define SAFE_SA_CMD1_HMAC SAFE_SA_CMD1_OPTIONS
+#define SAFE_SA_CMD1_SAREV1 0x00008000 /* SA Revision 1 */
+#define SAFE_SA_CMD1_OFFSET 0x00ff0000 /* hash/crypto offset(dwords) */
+#define SAFE_SA_CMD1_OFFSET_S 16
+#define SAFE_SA_CMD1_AESKEYLEN 0x0f000000 /* AES key length */
+#define SAFE_SA_CMD1_AES128 0x02000000 /* 128-bit AES key */
+#define SAFE_SA_CMD1_AES192 0x03000000 /* 192-bit AES key */
+#define SAFE_SA_CMD1_AES256 0x04000000 /* 256-bit AES key */
+
+/*
+ * Security Associate State Record (Rev 1).
+ */
+struct safe_sastate {
+ u_int32_t sa_saved_iv[4]; /* saved IV (DES/3DES/AES) */
+ u_int32_t sa_saved_hashbc; /* saved hash byte count */
+ u_int32_t sa_saved_indigest[5]; /* saved inner digest */
+};
+#endif /* _SAFE_SAFEREG_H_ */
diff --git a/target/linux/generic/files/crypto/ocf/safe/safevar.h b/target/linux/generic/files/crypto/ocf/safe/safevar.h
new file mode 100644
index 0000000000..9039a5d31b
--- /dev/null
+++ b/target/linux/generic/files/crypto/ocf/safe/safevar.h
@@ -0,0 +1,230 @@
+/*-
+ * The linux port of this code done by David McCullough
+ * Copyright (C) 2004-2010 David McCullough <david_mccullough@mcafee.com>
+ * The license and original author are listed below.
+ *
+ * Copyright (c) 2003 Sam Leffler, Errno Consulting
+ * Copyright (c) 2003 Global Technology Associates, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD: src/sys/dev/safe/safevar.h,v 1.2 2006/05/17 18:34:26 pjd Exp $
+ */
+#ifndef _SAFE_SAFEVAR_H_
+#define _SAFE_SAFEVAR_H_
+
+/* Maximum queue length */
+#ifndef SAFE_MAX_NQUEUE
+#define SAFE_MAX_NQUEUE 60
+#endif
+
+#define SAFE_MAX_PART 64 /* Maximum scatter/gather depth */
+#define SAFE_DMA_BOUNDARY 0 /* No boundary for source DMA ops */
+#define SAFE_MAX_DSIZE 2048 /* MCLBYTES Fixed scatter particle size */
+#define SAFE_MAX_SSIZE 0x0ffff /* Maximum gather particle size */
+#define SAFE_MAX_DMA 0xfffff /* Maximum PE operand size (20 bits) */
+/* total src+dst particle descriptors */
+#define SAFE_TOTAL_DPART (SAFE_MAX_NQUEUE * SAFE_MAX_PART)
+#define SAFE_TOTAL_SPART (SAFE_MAX_NQUEUE * SAFE_MAX_PART)
+
+#define SAFE_RNG_MAXBUFSIZ 128 /* 32-bit words */
+
+#define SAFE_CARD(sid) (((sid) & 0xf0000000) >> 28)
+#define SAFE_SESSION(sid) ( (sid) & 0x0fffffff)
+#define SAFE_SID(crd, sesn) (((crd) << 28) | ((sesn) & 0x0fffffff))
+
+#define SAFE_DEF_RTY 0xff /* PCI Retry Timeout */
+#define SAFE_DEF_TOUT 0xff /* PCI TRDY Timeout */
+#define SAFE_DEF_CACHELINE 0x01 /* Cache Line setting */
+
+#ifdef __KERNEL__
+/*
+ * State associated with the allocation of each chunk
+ * of memory setup for DMA.
+ */
+struct safe_dma_alloc {
+ dma_addr_t dma_paddr;
+ void *dma_vaddr;
+};
+
+/*
+ * Cryptographic operand state. One of these exists for each
+ * source and destination operand passed in from the crypto
+ * subsystem. When possible source and destination operands
+ * refer to the same memory. More often they are distinct.
+ * We track the virtual address of each operand as well as
+ * where each is mapped for DMA.
+ */
+struct safe_operand {
+ union {
+ struct sk_buff *skb;
+ struct uio *io;
+ } u;
+ void *map;
+ int mapsize; /* total number of bytes in segs */
+ struct {
+ dma_addr_t ds_addr;
+ int ds_len;
+ int ds_tlen;
+ } segs[SAFE_MAX_PART];
+ int nsegs;
+};
+
+/*
+ * Packet engine ring entry and cryptographic operation state.
+ * The packet engine requires a ring of descriptors that contain
+ * pointers to various cryptographic state. However the ring
+ * configuration register allows you to specify an arbitrary size
+ * for ring entries. We use this feature to collect most of the
+ * state for each cryptographic request into one spot. Other than
+ * ring entries only the ``particle descriptors'' (scatter/gather
+ * lists) and the actual operand data are kept separate. The
+ * particle descriptors must also be organized in rings. The
+ * operand data can be located aribtrarily (modulo alignment constraints).
+ *
+ * Note that the descriptor ring is mapped onto the PCI bus so
+ * the hardware can DMA data. This means the entire ring must be
+ * contiguous.
+ */
+struct safe_ringentry {
+ struct safe_desc re_desc; /* command descriptor */
+ struct safe_sarec re_sa; /* SA record */
+ struct safe_sastate re_sastate; /* SA state record */
+
+ struct cryptop *re_crp; /* crypto operation */
+
+ struct safe_operand re_src; /* source operand */
+ struct safe_operand re_dst; /* destination operand */
+
+ int re_sesn; /* crypto session ID */
+ int re_flags;
+#define SAFE_QFLAGS_COPYOUTIV 0x1 /* copy back on completion */
+#define SAFE_QFLAGS_COPYOUTICV 0x2 /* copy back on completion */
+};
+
+#define re_src_skb re_src.u.skb
+#define re_src_io re_src.u.io
+#define re_src_map re_src.map
+#define re_src_nsegs re_src.nsegs
+#define re_src_segs re_src.segs
+#define re_src_mapsize re_src.mapsize
+
+#define re_dst_skb re_dst.u.skb
+#define re_dst_io re_dst.u.io
+#define re_dst_map re_dst.map
+#define re_dst_nsegs re_dst.nsegs
+#define re_dst_segs re_dst.segs
+#define re_dst_mapsize re_dst.mapsize
+
+struct rndstate_test;
+
+struct safe_session {
+ u_int32_t ses_used;
+ u_int32_t ses_klen; /* key length in bits */
+ u_int32_t ses_key[8]; /* DES/3DES/AES key */
+ u_int32_t ses_mlen; /* hmac length in bytes */
+ u_int32_t ses_hminner[5]; /* hmac inner state */
+ u_int32_t ses_hmouter[5]; /* hmac outer state */
+ u_int32_t ses_iv[4]; /* DES/3DES/AES iv */
+};
+
+struct safe_pkq {
+ struct list_head pkq_list;
+ struct cryptkop *pkq_krp;
+};
+
+struct safe_softc {
+ softc_device_decl sc_dev;
+ u32 sc_irq;
+
+ struct pci_dev *sc_pcidev;
+ ocf_iomem_t sc_base_addr;
+
+ u_int sc_chiprev; /* major/minor chip revision */
+ int sc_flags; /* device specific flags */
+#define SAFE_FLAGS_KEY 0x01 /* has key accelerator */
+#define SAFE_FLAGS_RNG 0x02 /* hardware rng */
+ int sc_suspended;
+ int sc_needwakeup; /* notify crypto layer */
+ int32_t sc_cid; /* crypto tag */
+
+ struct safe_dma_alloc sc_ringalloc; /* PE ring allocation state */
+ struct safe_ringentry *sc_ring; /* PE ring */
+ struct safe_ringentry *sc_ringtop; /* PE ring top */
+ struct safe_ringentry *sc_front; /* next free entry */
+ struct safe_ringentry *sc_back; /* next pending entry */
+ int sc_nqchip; /* # passed to chip */
+ spinlock_t sc_ringmtx; /* PE ring lock */
+ struct safe_pdesc *sc_spring; /* src particle ring */
+ struct safe_pdesc *sc_springtop; /* src particle ring top */
+ struct safe_pdesc *sc_spfree; /* next free src particle */
+ struct safe_dma_alloc sc_spalloc; /* src particle ring state */
+ struct safe_pdesc *sc_dpring; /* dest particle ring */
+ struct safe_pdesc *sc_dpringtop; /* dest particle ring top */
+ struct safe_pdesc *sc_dpfree; /* next free dest particle */
+ struct safe_dma_alloc sc_dpalloc; /* dst particle ring state */
+ int sc_nsessions; /* # of sessions */
+ struct safe_session *sc_sessions; /* sessions */
+
+ struct timer_list sc_pkto; /* PK polling */
+ spinlock_t sc_pkmtx; /* PK lock */
+ struct list_head sc_pkq; /* queue of PK requests */
+ struct safe_pkq *sc_pkq_cur; /* current processing request */
+ u_int32_t sc_pk_reslen, sc_pk_resoff;
+
+ int sc_max_dsize; /* maximum safe DMA size */
+};
+#endif /* __KERNEL__ */
+
+struct safe_stats {
+ u_int64_t st_ibytes;
+ u_int64_t st_obytes;
+ u_int32_t st_ipackets;
+ u_int32_t st_opackets;
+ u_int32_t st_invalid; /* invalid argument */
+ u_int32_t st_badsession; /* invalid session id */
+ u_int32_t st_badflags; /* flags indicate !(mbuf | uio) */
+ u_int32_t st_nodesc; /* op submitted w/o descriptors */
+ u_int32_t st_badalg; /* unsupported algorithm */
+ u_int32_t st_ringfull; /* PE descriptor ring full */
+ u_int32_t st_peoperr; /* PE marked error */
+ u_int32_t st_dmaerr; /* PE DMA error */
+ u_int32_t st_bypasstoobig; /* bypass > 96 bytes */
+ u_int32_t st_skipmismatch; /* enc part begins before auth part */
+ u_int32_t st_lenmismatch; /* enc length different auth length */
+ u_int32_t st_coffmisaligned; /* crypto offset not 32-bit aligned */
+ u_int32_t st_cofftoobig; /* crypto offset > 255 words */
+ u_int32_t st_iovmisaligned; /* iov op not aligned */
+ u_int32_t st_iovnotuniform; /* iov op not suitable */
+ u_int32_t st_unaligned; /* unaligned src caused copy */
+ u_int32_t st_notuniform; /* non-uniform src caused copy */
+ u_int32_t st_nomap; /* bus_dmamap_create failed */
+ u_int32_t st_noload; /* bus_dmamap_load_* failed */
+ u_int32_t st_nombuf; /* MGET* failed */
+ u_int32_t st_nomcl; /* MCLGET* failed */
+ u_int32_t st_maxqchip; /* max mcr1 ops out for processing */
+ u_int32_t st_rng; /* RNG requests */
+ u_int32_t st_rngalarm; /* RNG alarm requests */
+ u_int32_t st_noicvcopy; /* ICV data copies suppressed */
+};
+#endif /* _SAFE_SAFEVAR_H_ */
diff --git a/target/linux/generic/files/crypto/ocf/safe/sha1.c b/target/linux/generic/files/crypto/ocf/safe/sha1.c
new file mode 100644
index 0000000000..4e360e20db
--- /dev/null
+++ b/target/linux/generic/files/crypto/ocf/safe/sha1.c
@@ -0,0 +1,279 @@
+/* $KAME: sha1.c,v 1.5 2000/11/08 06:13:08 itojun Exp $ */
+/*
+ * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the project nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/*
+ * FIPS pub 180-1: Secure Hash Algorithm (SHA-1)
+ * based on: http://csrc.nist.gov/fips/fip180-1.txt
+ * implemented by Jun-ichiro itojun Itoh <itojun@itojun.org>
+ */
+
+#if 0
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD: src/sys/crypto/sha1.c,v 1.9 2003/06/10 21:36:57 obrien Exp $");
+
+#include <sys/types.h>
+#include <sys/cdefs.h>
+#include <sys/time.h>
+#include <sys/systm.h>
+
+#include <crypto/sha1.h>
+#endif
+
+/* sanity check */
+#if BYTE_ORDER != BIG_ENDIAN
+# if BYTE_ORDER != LITTLE_ENDIAN
+# define unsupported 1
+# endif
+#endif
+
+#ifndef unsupported
+
+/* constant table */
+static u_int32_t _K[] = { 0x5a827999, 0x6ed9eba1, 0x8f1bbcdc, 0xca62c1d6 };
+#define K(t) _K[(t) / 20]
+
+#define F0(b, c, d) (((b) & (c)) | ((~(b)) & (d)))
+#define F1(b, c, d) (((b) ^ (c)) ^ (d))
+#define F2(b, c, d) (((b) & (c)) | ((b) & (d)) | ((c) & (d)))
+#define F3(b, c, d) (((b) ^ (c)) ^ (d))
+
+#define S(n, x) (((x) << (n)) | ((x) >> (32 - n)))
+
+#undef H
+#define H(n) (ctxt->h.b32[(n)])
+#define COUNT (ctxt->count)
+#define BCOUNT (ctxt->c.b64[0] / 8)
+#define W(n) (ctxt->m.b32[(n)])
+
+#define PUTBYTE(x) { \
+ ctxt->m.b8[(COUNT % 64)] = (x); \
+ COUNT++; \
+ COUNT %= 64; \
+ ctxt->c.b64[0] += 8; \
+ if (COUNT % 64 == 0) \
+ sha1_step(ctxt); \
+ }
+
+#define PUTPAD(x) { \
+ ctxt->m.b8[(COUNT % 64)] = (x); \
+ COUNT++; \
+ COUNT %= 64; \
+ if (COUNT % 64 == 0) \
+ sha1_step(ctxt); \
+ }
+
+static void sha1_step(struct sha1_ctxt *);
+
+static void
+sha1_step(ctxt)
+ struct sha1_ctxt *ctxt;
+{
+ u_int32_t a, b, c, d, e;
+ size_t t, s;
+ u_int32_t tmp;
+
+#if BYTE_ORDER == LITTLE_ENDIAN
+ struct sha1_ctxt tctxt;
+ bcopy(&ctxt->m.b8[0], &tctxt.m.b8[0], 64);
+ ctxt->m.b8[0] = tctxt.m.b8[3]; ctxt->m.b8[1] = tctxt.m.b8[2];
+ ctxt->m.b8[2] = tctxt.m.b8[1]; ctxt->m.b8[3] = tctxt.m.b8[0];
+ ctxt->m.b8[4] = tctxt.m.b8[7]; ctxt->m.b8[5] = tctxt.m.b8[6];
+ ctxt->m.b8[6] = tctxt.m.b8[5]; ctxt->m.b8[7] = tctxt.m.b8[4];
+ ctxt->m.b8[8] = tctxt.m.b8[11]; ctxt->m.b8[9] = tctxt.m.b8[10];
+ ctxt->m.b8[10] = tctxt.m.b8[9]; ctxt->m.b8[11] = tctxt.m.b8[8];
+ ctxt->m.b8[12] = tctxt.m.b8[15]; ctxt->m.b8[13] = tctxt.m.b8[14];
+ ctxt->m.b8[14] = tctxt.m.b8[13]; ctxt->m.b8[15] = tctxt.m.b8[12];
+ ctxt->m.b8[16] = tctxt.m.b8[19]; ctxt->m.b8[17] = tctxt.m.b8[18];
+ ctxt->m.b8[18] = tctxt.m.b8[17]; ctxt->m.b8[19] = tctxt.m.b8[16];
+ ctxt->m.b8[20] = tctxt.m.b8[23]; ctxt->m.b8[21] = tctxt.m.b8[22];
+ ctxt->m.b8[22] = tctxt.m.b8[21]; ctxt->m.b8[23] = tctxt.m.b8[20];
+ ctxt->m.b8[24] = tctxt.m.b8[27]; ctxt->m.b8[25] = tctxt.m.b8[26];
+ ctxt->m.b8[26] = tctxt.m.b8[25]; ctxt->m.b8[27] = tctxt.m.b8[24];
+ ctxt->m.b8[28] = tctxt.m.b8[31]; ctxt->m.b8[29] = tctxt.m.b8[30];
+ ctxt->m.b8[30] = tctxt.m.b8[29]; ctxt->m.b8[31] = tctxt.m.b8[28];
+ ctxt->m.b8[32] = tctxt.m.b8[35]; ctxt->m.b8[33] = tctxt.m.b8[34];
+ ctxt->m.b8[34] = tctxt.m.b8[33]; ctxt->m.b8[35] = tctxt.m.b8[32];
+ ctxt->m.b8[36] = tctxt.m.b8[39]; ctxt->m.b8[37] = tctxt.m.b8[38];
+ ctxt->m.b8[38] = tctxt.m.b8[37]; ctxt->m.b8[39] = tctxt.m.b8[36];
+ ctxt->m.b8[40] = tctxt.m.b8[43]; ctxt->m.b8[41] = tctxt.m.b8[42];
+ ctxt->m.b8[42] = tctxt.m.b8[41]; ctxt->m.b8[43] = tctxt.m.b8[40];
+ ctxt->m.b8[44] = tctxt.m.b8[47]; ctxt->m.b8[45] = tctxt.m.b8[46];
+ ctxt->m.b8[46] = tctxt.m.b8[45]; ctxt->m.b8[47] = tctxt.m.b8[44];
+ ctxt->m.b8[48] = tctxt.m.b8[51]; ctxt->m.b8[49] = tctxt.m.b8[50];
+ ctxt->m.b8[50] = tctxt.m.b8[49]; ctxt->m.b8[51] = tctxt.m.b8[48];
+ ctxt->m.b8[52] = tctxt.m.b8[55]; ctxt->m.b8[53] = tctxt.m.b8[54];
+ ctxt->m.b8[54] = tctxt.m.b8[53]; ctxt->m.b8[55] = tctxt.m.b8[52];
+ ctxt->m.b8[56] = tctxt.m.b8[59]; ctxt->m.b8[57] = tctxt.m.b8[58];
+ ctxt->m.b8[58] = tctxt.m.b8[57]; ctxt->m.b8[59] = tctxt.m.b8[56];
+ ctxt->m.b8[60] = tctxt.m.b8[63]; ctxt->m.b8[61] = tctxt.m.b8[62];
+ ctxt->m.b8[62] = tctxt.m.b8[61]; ctxt->m.b8[63] = tctxt.m.b8[60];
+#endif
+
+ a = H(0); b = H(1); c = H(2); d = H(3); e = H(4);
+
+ for (t = 0; t < 20; t++) {
+ s = t & 0x0f;
+ if (t >= 16) {
+ W(s) = S(1, W((s+13) & 0x0f) ^ W((s+8) & 0x0f) ^ W((s+2) & 0x0f) ^ W(s));
+ }
+ tmp = S(5, a) + F0(b, c, d) + e + W(s) + K(t);
+ e = d; d = c; c = S(30, b); b = a; a = tmp;
+ }
+ for (t = 20; t < 40; t++) {
+ s = t & 0x0f;
+ W(s) = S(1, W((s+13) & 0x0f) ^ W((s+8) & 0x0f) ^ W((s+2) & 0x0f) ^ W(s));
+ tmp = S(5, a) + F1(b, c, d) + e + W(s) + K(t);
+ e = d; d = c; c = S(30, b); b = a; a = tmp;
+ }
+ for (t = 40; t < 60; t++) {
+ s = t & 0x0f;
+ W(s) = S(1, W((s+13) & 0x0f) ^ W((s+8) & 0x0f) ^ W((s+2) & 0x0f) ^ W(s));
+ tmp = S(5, a) + F2(b, c, d) + e + W(s) + K(t);
+ e = d; d = c; c = S(30, b); b = a; a = tmp;
+ }
+ for (t = 60; t < 80; t++) {
+ s = t & 0x0f;
+ W(s) = S(1, W((s+13) & 0x0f) ^ W((s+8) & 0x0f) ^ W((s+2) & 0x0f) ^ W(s));
+ tmp = S(5, a) + F3(b, c, d) + e + W(s) + K(t);
+ e = d; d = c; c = S(30, b); b = a; a = tmp;
+ }
+
+ H(0) = H(0) + a;
+ H(1) = H(1) + b;
+ H(2) = H(2) + c;
+ H(3) = H(3) + d;
+ H(4) = H(4) + e;
+
+ bzero(&ctxt->m.b8[0], 64);
+}
+
+/*------------------------------------------------------------*/
+
+void
+sha1_init(ctxt)
+ struct sha1_ctxt *ctxt;
+{
+ bzero(ctxt, sizeof(struct sha1_ctxt));
+ H(0) = 0x67452301;
+ H(1) = 0xefcdab89;
+ H(2) = 0x98badcfe;
+ H(3) = 0x10325476;
+ H(4) = 0xc3d2e1f0;
+}
+
+void
+sha1_pad(ctxt)
+ struct sha1_ctxt *ctxt;
+{
+ size_t padlen; /*pad length in bytes*/
+ size_t padstart;
+
+ PUTPAD(0x80);
+
+ padstart = COUNT % 64;
+ padlen = 64 - padstart;
+ if (padlen < 8) {
+ bzero(&ctxt->m.b8[padstart], padlen);
+ COUNT += padlen;
+ COUNT %= 64;
+ sha1_step(ctxt);
+ padstart = COUNT % 64; /* should be 0 */
+ padlen = 64 - padstart; /* should be 64 */
+ }
+ bzero(&ctxt->m.b8[padstart], padlen - 8);
+ COUNT += (padlen - 8);
+ COUNT %= 64;
+#if BYTE_ORDER == BIG_ENDIAN
+ PUTPAD(ctxt->c.b8[0]); PUTPAD(ctxt->c.b8[1]);
+ PUTPAD(ctxt->c.b8[2]); PUTPAD(ctxt->c.b8[3]);
+ PUTPAD(ctxt->c.b8[4]); PUTPAD(ctxt->c.b8[5]);
+ PUTPAD(ctxt->c.b8[6]); PUTPAD(ctxt->c.b8[7]);
+#else
+ PUTPAD(ctxt->c.b8[7]); PUTPAD(ctxt->c.b8[6]);
+ PUTPAD(ctxt->c.b8[5]); PUTPAD(ctxt->c.b8[4]);
+ PUTPAD(ctxt->c.b8[3]); PUTPAD(ctxt->c.b8[2]);
+ PUTPAD(ctxt->c.b8[1]); PUTPAD(ctxt->c.b8[0]);
+#endif
+}
+
+void
+sha1_loop(ctxt, input, len)
+ struct sha1_ctxt *ctxt;
+ const u_int8_t *input;
+ size_t len;
+{
+ size_t gaplen;
+ size_t gapstart;
+ size_t off;
+ size_t copysiz;
+
+ off = 0;
+
+ while (off < len) {
+ gapstart = COUNT % 64;
+ gaplen = 64 - gapstart;
+
+ copysiz = (gaplen < len - off) ? gaplen : len - off;
+ bcopy(&input[off], &ctxt->m.b8[gapstart], copysiz);
+ COUNT += copysiz;
+ COUNT %= 64;
+ ctxt->c.b64[0] += copysiz * 8;
+ if (COUNT % 64 == 0)
+ sha1_step(ctxt);
+ off += copysiz;
+ }
+}
+
+void
+sha1_result(ctxt, digest0)
+ struct sha1_ctxt *ctxt;
+ caddr_t digest0;
+{
+ u_int8_t *digest;
+
+ digest = (u_int8_t *)digest0;
+ sha1_pad(ctxt);
+#if BYTE_ORDER == BIG_ENDIAN
+ bcopy(&ctxt->h.b8[0], digest, 20);
+#else
+ digest[0] = ctxt->h.b8[3]; digest[1] = ctxt->h.b8[2];
+ digest[2] = ctxt->h.b8[1]; digest[3] = ctxt->h.b8[0];
+ digest[4] = ctxt->h.b8[7]; digest[5] = ctxt->h.b8[6];
+ digest[6] = ctxt->h.b8[5]; digest[7] = ctxt->h.b8[4];
+ digest[8] = ctxt->h.b8[11]; digest[9] = ctxt->h.b8[10];
+ digest[10] = ctxt->h.b8[9]; digest[11] = ctxt->h.b8[8];
+ digest[12] = ctxt->h.b8[15]; digest[13] = ctxt->h.b8[14];
+ digest[14] = ctxt->h.b8[13]; digest[15] = ctxt->h.b8[12];
+ digest[16] = ctxt->h.b8[19]; digest[17] = ctxt->h.b8[18];
+ digest[18] = ctxt->h.b8[17]; digest[19] = ctxt->h.b8[16];
+#endif
+}
+
+#endif /*unsupported*/
diff --git a/target/linux/generic/files/crypto/ocf/safe/sha1.h b/target/linux/generic/files/crypto/ocf/safe/sha1.h
new file mode 100644
index 0000000000..0e19d9071f
--- /dev/null
+++ b/target/linux/generic/files/crypto/ocf/safe/sha1.h
@@ -0,0 +1,72 @@
+/* $FreeBSD: src/sys/crypto/sha1.h,v 1.8 2002/03/20 05:13:50 alfred Exp $ */
+/* $KAME: sha1.h,v 1.5 2000/03/27 04:36:23 sumikawa Exp $ */
+
+/*
+ * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the project nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+/*
+ * FIPS pub 180-1: Secure Hash Algorithm (SHA-1)
+ * based on: http://csrc.nist.gov/fips/fip180-1.txt
+ * implemented by Jun-ichiro itojun Itoh <itojun@itojun.org>
+ */
+
+#ifndef _NETINET6_SHA1_H_
+#define _NETINET6_SHA1_H_
+
+struct sha1_ctxt {
+ union {
+ u_int8_t b8[20];
+ u_int32_t b32[5];
+ } h;
+ union {
+ u_int8_t b8[8];
+ u_int64_t b64[1];
+ } c;
+ union {
+ u_int8_t b8[64];
+ u_int32_t b32[16];
+ } m;
+ u_int8_t count;
+};
+
+#ifdef __KERNEL__
+extern void sha1_init(struct sha1_ctxt *);
+extern void sha1_pad(struct sha1_ctxt *);
+extern void sha1_loop(struct sha1_ctxt *, const u_int8_t *, size_t);
+extern void sha1_result(struct sha1_ctxt *, caddr_t);
+
+/* compatibilty with other SHA1 source codes */
+typedef struct sha1_ctxt SHA1_CTX;
+#define SHA1Init(x) sha1_init((x))
+#define SHA1Update(x, y, z) sha1_loop((x), (y), (z))
+#define SHA1Final(x, y) sha1_result((y), (x))
+#endif /* __KERNEL__ */
+
+#define SHA1_RESULTLEN (160/8)
+
+#endif /*_NETINET6_SHA1_H_*/