LCOM1920-T02G10

/*        $NetBSD: via_padlock.h,v 1.8 2015/04/13 16:03:51 riastradh Exp $        */

/*-

 * Copyright (c) 2003 Jason Wright

 * Copyright (c) 2003, 2004 Theo de Raadt

 * All rights reserved.

 *

 * Permission to use, copy, modify, and distribute this software for any

 * purpose with or without fee is hereby granted, provided that the above

 * copyright notice and this permission notice appear in all copies.

 *

 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES

 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF

 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR

 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES

 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN

 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF

 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

 */

#ifndef _X86_VIA_PADLOCK_H_

#define _X86_VIA_PADLOCK_H_

#if defined(_KERNEL)

#include <sys/rndsource.h>

#include <sys/callout.h>

#include <crypto/rijndael/rijndael.h>

/* VIA C3 xcrypt-* instruction context control options */

#define C3_CRYPT_CWLO_ROUND_M                0x0000000f

#define C3_CRYPT_CWLO_ALG_M                0x00000070

#define C3_CRYPT_CWLO_ALG_AES                0x00000000

#define C3_CRYPT_CWLO_KEYGEN_M                0x00000080

#define C3_CRYPT_CWLO_KEYGEN_HW                0x00000000

#define C3_CRYPT_CWLO_KEYGEN_SW                0x00000080

#define C3_CRYPT_CWLO_NORMAL                0x00000000

#define C3_CRYPT_CWLO_INTERMEDIATE        0x00000100

#define C3_CRYPT_CWLO_ENCRYPT                0x00000000

#define C3_CRYPT_CWLO_DECRYPT                0x00000200

#define C3_CRYPT_CWLO_KEY128                0x0000000a      /* 128bit, 10 rds */

#define C3_CRYPT_CWLO_KEY192                0x0000040c      /* 192bit, 12 rds */

#define C3_CRYPT_CWLO_KEY256                0x0000080e      /* 256bit, 15 rds */

struct via_padlock_session {

        uint32_t        ses_ekey[4 * (RIJNDAEL_MAXNR + 1) + 4];        /* 128 bit aligned */

        uint32_t        ses_dkey[4 * (RIJNDAEL_MAXNR + 1) + 4];        /* 128 bit aligned */

        uint8_t        ses_iv[16];                                /* 128 bit aligned */

        uint32_t        ses_cw0;

        struct swcr_data        *swd;

        int        ses_klen;

        int        ses_used;

};

struct via_padlock_softc {

        device_t        sc_dev;

        uint32_t        op_cw[4];        /* 128 bit aligned */

        uint8_t        op_iv[16];        /* 128 bit aligned */

        void                *op_buf;

        int                        sc_rnd_hz;

        struct callout                sc_rnd_co;

        krndsource_t        sc_rnd_source;

        bool                        sc_rnd_attached;

        /* normal softc stuff */

        int32_t                sc_cid;

        bool                sc_cid_attached;

        int                sc_nsessions;

        struct via_padlock_session *sc_sessions;

};

#define VIAC3_SESSION(sid)        ((sid) & 0x0fffffff)

#define VIAC3_SID(crd,ses)        (((crd) << 28) | ((ses) & 0x0fffffff))

#define VIAC3_RNG_BUFSIZ        16

#endif /* _KERNEL */

#if defined(_KERNEL) || defined(_KMEMUSER)

struct cpu_info;

struct via_padlock {

        struct cpu_info                *vp_ci;

        int                        vp_freq;

};

#endif /* _KERNEL || _KMEMUSER */

#endif /* _X86_VIA_PADLOCK_H_ */