diff options
Diffstat (limited to 'target/linux/generic-2.6/files/crypto/ocf/safe')
| -rw-r--r-- | target/linux/generic-2.6/files/crypto/ocf/safe/Makefile | 12 | ||||
| -rw-r--r-- | target/linux/generic-2.6/files/crypto/ocf/safe/md5.c | 308 | ||||
| -rw-r--r-- | target/linux/generic-2.6/files/crypto/ocf/safe/md5.h | 76 | ||||
| -rw-r--r-- | target/linux/generic-2.6/files/crypto/ocf/safe/safe.c | 2288 | ||||
| -rw-r--r-- | target/linux/generic-2.6/files/crypto/ocf/safe/safereg.h | 421 | ||||
| -rw-r--r-- | target/linux/generic-2.6/files/crypto/ocf/safe/safevar.h | 230 | ||||
| -rw-r--r-- | target/linux/generic-2.6/files/crypto/ocf/safe/sha1.c | 279 | ||||
| -rw-r--r-- | target/linux/generic-2.6/files/crypto/ocf/safe/sha1.h | 72 |
8 files changed, 0 insertions, 3686 deletions
diff --git a/target/linux/generic-2.6/files/crypto/ocf/safe/Makefile b/target/linux/generic-2.6/files/crypto/ocf/safe/Makefile deleted file mode 100644 index 9a36b081e5..0000000000 --- a/target/linux/generic-2.6/files/crypto/ocf/safe/Makefile +++ /dev/null @@ -1,12 +0,0 @@ -# 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-2.6/files/crypto/ocf/safe/md5.c b/target/linux/generic-2.6/files/crypto/ocf/safe/md5.c deleted file mode 100644 index 077c42e787..0000000000 --- a/target/linux/generic-2.6/files/crypto/ocf/safe/md5.c +++ /dev/null @@ -1,308 +0,0 @@ -/* $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-2.6/files/crypto/ocf/safe/md5.h b/target/linux/generic-2.6/files/crypto/ocf/safe/md5.h deleted file mode 100644 index 690f5bfc11..0000000000 --- a/target/linux/generic-2.6/files/crypto/ocf/safe/md5.h +++ /dev/null @@ -1,76 +0,0 @@ -/* $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-2.6/files/crypto/ocf/safe/safe.c b/target/linux/generic-2.6/files/crypto/ocf/safe/safe.c deleted file mode 100644 index 7e65101769..0000000000 --- a/target/linux/generic-2.6/files/crypto/ocf/safe/safe.c +++ /dev/null @@ -1,2288 +0,0 @@ -/*- - * 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-2.6/files/crypto/ocf/safe/safereg.h b/target/linux/generic-2.6/files/crypto/ocf/safe/safereg.h deleted file mode 100644 index dbaf98fe78..0000000000 --- a/target/linux/generic-2.6/files/crypto/ocf/safe/safereg.h +++ /dev/null @@ -1,421 +0,0 @@ -/*- - * 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-2.6/files/crypto/ocf/safe/safevar.h b/target/linux/generic-2.6/files/crypto/ocf/safe/safevar.h deleted file mode 100644 index 9039a5d31b..0000000000 --- a/target/linux/generic-2.6/files/crypto/ocf/safe/safevar.h +++ /dev/null @@ -1,230 +0,0 @@ -/*- - * 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-2.6/files/crypto/ocf/safe/sha1.c b/target/linux/generic-2.6/files/crypto/ocf/safe/sha1.c deleted file mode 100644 index 4e360e20db..0000000000 --- a/target/linux/generic-2.6/files/crypto/ocf/safe/sha1.c +++ /dev/null @@ -1,279 +0,0 @@ -/* $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-2.6/files/crypto/ocf/safe/sha1.h b/target/linux/generic-2.6/files/crypto/ocf/safe/sha1.h deleted file mode 100644 index 0e19d9071f..0000000000 --- a/target/linux/generic-2.6/files/crypto/ocf/safe/sha1.h +++ /dev/null @@ -1,72 +0,0 @@ -/* $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_*/ |