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/* $OpenBSD: noctvar.h,v 1.4 2002/06/28 18:31:29 jason Exp $ */
/*
* Copyright (c) 2002 Jason L. Wright (jason@thought.net)
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Jason L. Wright
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
*
* Effort sponsored in part by the Defense Advanced Research Projects
* Agency (DARPA) and Air Force Research Laboratory, Air Force
* Materiel Command, USAF, under agreement number F30602-01-2-0537.
*
*/
#define NOCT_RNG_QLEN 15
#define NOCT_RNG_ENTRIES (1 << NOCT_RNG_QLEN)
#define NOCT_RNG_BUFSIZE (NOCT_RNG_ENTRIES * sizeof(u_int64_t))
#define NOCT_PKH_QLEN 15
#define NOCT_PKH_ENTRIES (1 << NOCT_PKH_QLEN)
#define NOCT_PKH_BUFSIZE (NOCT_PKH_ENTRIES * sizeof(union noct_pkh_cmd))
#define NOCT_EA_QLEN 15
#define NOCT_EA_ENTRIES (1 << NOCT_EA_QLEN)
#define NOCT_EA_BUFSIZE (NOCT_EA_ENTRIES * sizeof(struct noct_ea_cmd))
#define NOCT_BN_CACHE_SIZE ((256) * (128 / 8))
struct noct_softc;
struct noct_bnc_sw {
u_long bn_off; /* cache offset */
u_long bn_siz; /* cache size */
void (*bn_callback)(struct noct_softc *, u_int32_t, int);
struct cryptkop *bn_krp;
};
struct noct_softc {
struct device sc_dv;
bus_space_tag_t sc_st;
bus_space_handle_t sc_sh;
bus_dma_tag_t sc_dmat;
void *sc_ih;
u_int sc_ramsize;
int32_t sc_cid; /* cryptodev id */
u_int64_t *sc_rngbuf;
bus_dmamap_t sc_rngmap;
struct timeout sc_rngto;
int sc_rngtick;
bus_dmamap_t sc_pkhmap; /* pkh buffer map */
bus_dmamap_t sc_bnmap; /* bignumber cache map */
union noct_pkh_cmd *sc_pkhcmd; /* pkh command buffers */
u_int8_t *sc_bncache; /* bignumber cache buffer */
u_int32_t sc_pkhwp; /* pkh write pointer */
u_int32_t sc_pkhrp; /* pkh read pointer */
struct extent *sc_pkh_bn; /* pkh big number cache usage */
struct noct_bnc_sw sc_pkh_bnsw[NOCT_PKH_ENTRIES];
bus_dmamap_t sc_eamap; /* ea buffer map */
struct timeout sc_eato; /* debug */
int sc_eatick; /* debug */
u_int32_t sc_eawp; /* ea write pointer */
struct noct_ea_cmd *sc_eacmd; /* ea command buffers */
};
#define NOCT_READ_4(sc,r) \
bus_space_read_4((sc)->sc_st, (sc)->sc_sh, (r))
#define NOCT_WRITE_4(sc,r,v) \
bus_space_write_4((sc)->sc_st, (sc)->sc_sh, (r), (v))
#define NOCT_READ_8(sc,r) noct_read_8(sc, r)
#define NOCT_WRITE_8(sc,r,v) noct_write_8(sc, r, v)
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