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Annotation of sys/dev/pci/noctvar.h, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: noctvar.h,v 1.7 2003/06/02 19:08:58 jason Exp $       */
        !             2:
        !             3: /*
        !             4:  * Copyright (c) 2002 Jason L. Wright (jason@thought.net)
        !             5:  * All rights reserved.
        !             6:  *
        !             7:  * Redistribution and use in source and binary forms, with or without
        !             8:  * modification, are permitted provided that the following conditions
        !             9:  * are met:
        !            10:  * 1. Redistributions of source code must retain the above copyright
        !            11:  *    notice, this list of conditions and the following disclaimer.
        !            12:  * 2. Redistributions in binary form must reproduce the above copyright
        !            13:  *    notice, this list of conditions and the following disclaimer in the
        !            14:  *    documentation and/or other materials provided with the distribution.
        !            15:  *
        !            16:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
        !            17:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
        !            18:  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
        !            19:  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
        !            20:  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
        !            21:  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
        !            22:  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            23:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
        !            24:  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
        !            25:  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
        !            26:  * POSSIBILITY OF SUCH DAMAGE.
        !            27:  *
        !            28:  * Effort sponsored in part by the Defense Advanced Research Projects
        !            29:  * Agency (DARPA) and Air Force Research Laboratory, Air Force
        !            30:  * Materiel Command, USAF, under agreement number F30602-01-2-0537.
        !            31:  *
        !            32:  */
        !            33:
        !            34: #define        NOCT_RNG_QLEN           15
        !            35: #define        NOCT_RNG_ENTRIES        (1 << NOCT_RNG_QLEN)
        !            36: #define        NOCT_RNG_BUFSIZE        (NOCT_RNG_ENTRIES * sizeof(u_int64_t))
        !            37:
        !            38: #define        NOCT_PKH_QLEN           15
        !            39: #define        NOCT_PKH_ENTRIES        (1 << NOCT_PKH_QLEN)
        !            40: #define        NOCT_PKH_BUFSIZE        (NOCT_PKH_ENTRIES * sizeof(union noct_pkh_cmd))
        !            41:
        !            42: #define        NOCT_EA_QLEN            15
        !            43: #define        NOCT_EA_ENTRIES         (1 << NOCT_EA_QLEN)
        !            44: #define        NOCT_EA_BUFSIZE         (NOCT_EA_ENTRIES * sizeof(struct noct_ea_cmd))
        !            45:
        !            46: #define        NOCT_BN_CACHE_SIZE      ((256) * (128 / 8))
        !            47:
        !            48: struct noct_workq {
        !            49:        SIMPLEQ_ENTRY(noct_workq)       q_next;
        !            50:        struct cryptop                  *q_crp;
        !            51:        bus_dmamap_t                    q_dmamap;
        !            52:        bus_dma_segment_t               q_dmaseg;
        !            53:        caddr_t                         q_buf;
        !            54:        u_int8_t                        q_macbuf[20];
        !            55: };
        !            56:
        !            57: struct noct_softc;
        !            58:
        !            59: struct noct_bnc_sw {
        !            60:        u_long bn_off;                  /* cache offset */
        !            61:        u_long bn_siz;                  /* cache size */
        !            62:        void (*bn_callback)(struct noct_softc *, u_int32_t, int);
        !            63:        struct cryptkop *bn_krp;
        !            64: };
        !            65:
        !            66: struct noct_softc {
        !            67:        struct device sc_dv;
        !            68:        bus_space_tag_t sc_st;
        !            69:        bus_space_handle_t sc_sh;
        !            70:        bus_dma_tag_t sc_dmat;
        !            71:        void *sc_ih;
        !            72:        bus_size_t sc_rar_last, sc_waw_last;
        !            73:        u_int sc_ramsize;
        !            74:        int32_t sc_cid;                 /* cryptodev id */
        !            75:
        !            76:        u_int64_t *sc_rngbuf;
        !            77:        bus_dmamap_t sc_rngmap;
        !            78:        struct timeout sc_rngto;
        !            79:        int sc_rngtick;
        !            80:
        !            81:        bus_dmamap_t sc_pkhmap;         /* pkh buffer map */
        !            82:        bus_dmamap_t sc_bnmap;          /* bignumber cache map */
        !            83:        union noct_pkh_cmd *sc_pkhcmd;  /* pkh command buffers */
        !            84:        u_int8_t *sc_bncache;           /* bignumber cache buffer */
        !            85:        u_int32_t sc_pkhwp;             /* pkh write pointer */
        !            86:        u_int32_t sc_pkhrp;             /* pkh read pointer */
        !            87:        struct extent *sc_pkh_bn;       /* pkh big number cache usage */
        !            88:        struct noct_bnc_sw      sc_pkh_bnsw[NOCT_PKH_ENTRIES];
        !            89:
        !            90:        bus_dmamap_t sc_eamap;          /* ea buffer map */
        !            91:        u_int32_t sc_eawp;              /* ea write pointer */
        !            92:        u_int32_t sc_earp;              /* ea read pointer */
        !            93:        struct noct_ea_cmd *sc_eacmd;   /* ea command buffers */
        !            94:
        !            95:        SIMPLEQ_HEAD(,noct_workq)       sc_inq;
        !            96:        SIMPLEQ_HEAD(,noct_workq)       sc_chipq;
        !            97:        SIMPLEQ_HEAD(,noct_workq)       sc_outq;
        !            98: };
        !            99:
        !           100: #define        NOCT_READ_4(sc,r)       noct_read_4((sc), (r))
        !           101: #define        NOCT_WRITE_4(sc,r,v)    noct_write_4((sc), (r), (v))
        !           102: #define        NOCT_READ_8(sc,r)       noct_read_8((sc), (r))
        !           103: #define        NOCT_WRITE_8(sc,r,v)    noct_write_8((sc), (r), (v))
        !           104:
        !           105: #define        NOCT_CARD(sid)          (((sid) & 0xf0000000) >> 28)
        !           106: #define        NOCT_SESSION(sid)       ( (sid) & 0x0fffffff)
        !           107: #define        NOCT_SID(crd, sesn)     (((crd) << 28) | ((sesn) & 0x0fffffff))
        !           108:
        !           109: #define        NOCT_WAKEUP(sc) wakeup(&(sc)->sc_eawp)
        !           110: #define        NOCT_SLEEP(sc)  tsleep(&(sc)->sc_eawp, PWAIT, "noctea", 0)
        !           111: