1/* $NetBSD: via_padlock.h,v 1.6 2011/02/19 13:52:28 jmcneill Exp $ */ 2 3/*- 4 * Copyright (c) 2003 Jason Wright 5 * Copyright (c) 2003, 2004 Theo de Raadt 6 * All rights reserved. 7 * 8 * Permission to use, copy, modify, and distribute this software for any 9 * purpose with or without fee is hereby granted, provided that the above 10 * copyright notice and this permission notice appear in all copies. 11 * 12 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 13 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 14 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 15 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 16 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 17 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 18 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 19 */ 20 21#ifndef _X86_VIA_PADLOCK_H_ 22#define _X86_VIA_PADLOCK_H_ 23 24#if defined(_KERNEL) 25 26#include <sys/rnd.h> 27#include <sys/callout.h> 28#include <crypto/rijndael/rijndael.h> 29 30/* VIA C3 xcrypt-* instruction context control options */ 31#define C3_CRYPT_CWLO_ROUND_M 0x0000000f 32#define C3_CRYPT_CWLO_ALG_M 0x00000070 33#define C3_CRYPT_CWLO_ALG_AES 0x00000000 34#define C3_CRYPT_CWLO_KEYGEN_M 0x00000080 35#define C3_CRYPT_CWLO_KEYGEN_HW 0x00000000 36#define C3_CRYPT_CWLO_KEYGEN_SW 0x00000080 37#define C3_CRYPT_CWLO_NORMAL 0x00000000 38#define C3_CRYPT_CWLO_INTERMEDIATE 0x00000100 39#define C3_CRYPT_CWLO_ENCRYPT 0x00000000 40#define C3_CRYPT_CWLO_DECRYPT 0x00000200 41#define C3_CRYPT_CWLO_KEY128 0x0000000a /* 128bit, 10 rds */ 42#define C3_CRYPT_CWLO_KEY192 0x0000040c /* 192bit, 12 rds */ 43#define C3_CRYPT_CWLO_KEY256 0x0000080e /* 256bit, 15 rds */ 44 45struct via_padlock_session { 46 uint32_t ses_ekey[4 * (RIJNDAEL_MAXNR + 1) + 4]; /* 128 bit aligned */ 47 uint32_t ses_dkey[4 * (RIJNDAEL_MAXNR + 1) + 4]; /* 128 bit aligned */ 48 uint8_t ses_iv[16]; /* 128 bit aligned */ 49 uint32_t ses_cw0; 50 struct swcr_data *swd; 51 int ses_klen; 52 int ses_used; 53}; 54 55struct via_padlock_softc { 56 device_t sc_dev; 57 58 uint32_t op_cw[4]; /* 128 bit aligned */ 59 uint8_t op_iv[16]; /* 128 bit aligned */ 60 void *op_buf; 61 62 int sc_rnd_hz; 63 struct callout sc_rnd_co; 64 krndsource_t sc_rnd_source; 65 bool sc_rnd_attached; 66 67 /* normal softc stuff */ 68 int32_t sc_cid; 69 bool sc_cid_attached; 70 int sc_nsessions; 71 struct via_padlock_session *sc_sessions; 72}; 73 74#define VIAC3_SESSION(sid) ((sid) & 0x0fffffff) 75#define VIAC3_SID(crd,ses) (((crd) << 28) | ((ses) & 0x0fffffff)) 76 77#define VIAC3_RNG_BUFSIZ 16 78 79#endif /* _KERNEL */ 80 81#if defined(_KERNEL) || defined(_KMEMUSER) 82struct cpu_info; 83 84struct via_padlock { 85 struct cpu_info *vp_ci; 86 int vp_freq; 87}; 88 89#endif /* _KERNEL || _KMEMUSER */ 90#endif /* _X86_VIA_PADLOCK_H_ */ 91