89 lines
2.8 KiB
C
89 lines
2.8 KiB
C
/* $NetBSD: via_padlock.h,v 1.5 2009/04/01 21:15:45 drochner Exp $ */
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/*-
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* Copyright (c) 2003 Jason Wright
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* Copyright (c) 2003, 2004 Theo de Raadt
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* All rights reserved.
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef _X86_VIA_PADLOCK_H_
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#define _X86_VIA_PADLOCK_H_
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#if defined(_KERNEL)
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#include <sys/rnd.h>
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#include <sys/callout.h>
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#include <crypto/rijndael/rijndael.h>
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/* VIA C3 xcrypt-* instruction context control options */
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#define C3_CRYPT_CWLO_ROUND_M 0x0000000f
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#define C3_CRYPT_CWLO_ALG_M 0x00000070
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#define C3_CRYPT_CWLO_ALG_AES 0x00000000
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#define C3_CRYPT_CWLO_KEYGEN_M 0x00000080
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#define C3_CRYPT_CWLO_KEYGEN_HW 0x00000000
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#define C3_CRYPT_CWLO_KEYGEN_SW 0x00000080
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#define C3_CRYPT_CWLO_NORMAL 0x00000000
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#define C3_CRYPT_CWLO_INTERMEDIATE 0x00000100
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#define C3_CRYPT_CWLO_ENCRYPT 0x00000000
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#define C3_CRYPT_CWLO_DECRYPT 0x00000200
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#define C3_CRYPT_CWLO_KEY128 0x0000000a /* 128bit, 10 rds */
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#define C3_CRYPT_CWLO_KEY192 0x0000040c /* 192bit, 12 rds */
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#define C3_CRYPT_CWLO_KEY256 0x0000080e /* 256bit, 15 rds */
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struct via_padlock_session {
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uint32_t ses_ekey[4 * (RIJNDAEL_MAXNR + 1) + 4]; /* 128 bit aligned */
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uint32_t ses_dkey[4 * (RIJNDAEL_MAXNR + 1) + 4]; /* 128 bit aligned */
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uint8_t ses_iv[16]; /* 128 bit aligned */
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uint32_t ses_cw0;
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struct swcr_data *swd;
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int ses_klen;
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int ses_used;
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};
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struct via_padlock_softc {
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uint32_t op_cw[4]; /* 128 bit aligned */
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uint8_t op_iv[16]; /* 128 bit aligned */
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void *op_buf;
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int sc_rnd_hz;
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struct callout sc_rnd_co;
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rndsource_element_t sc_rnd_source;
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/* normal softc stuff */
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int32_t sc_cid;
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int sc_nsessions;
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struct via_padlock_session *sc_sessions;
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};
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#define VIAC3_SESSION(sid) ((sid) & 0x0fffffff)
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#define VIAC3_SID(crd,ses) (((crd) << 28) | ((ses) & 0x0fffffff))
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#define VIAC3_RNG_BUFSIZ 16
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void via_padlock_attach(void);
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#endif /* _KERNEL */
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#if defined(_KERNEL) || defined(_KMEMUSER)
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struct cpu_info;
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struct via_padlock {
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struct cpu_info *vp_ci;
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int vp_freq;
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};
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#endif /* _KERNEL || _KMEMUSER */
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#endif /* _X86_VIA_PADLOCK_H_ */
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