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

1.1     ! nbrk        1: /*     $OpenBSD: lofnvar.h,v 1.9 2003/06/02 19:08:58 jason Exp $       */
        !             2:
        !             3: /*
        !             4:  * Copyright (c) 2001-2002 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        LOFN_RNGBUF_SIZE        8       /* size in 32 bit elements */
        !            35:
        !            36: struct lofn_softc {
        !            37:        struct device           sc_dv;
        !            38:        void *                  sc_ih;
        !            39:        bus_space_handle_t      sc_sh;
        !            40:        bus_space_tag_t         sc_st;
        !            41:        bus_dma_tag_t           sc_dmat;
        !            42:        u_int32_t               sc_rngbuf[LOFN_RNGBUF_SIZE], sc_ier;
        !            43:        int32_t                 sc_cid;
        !            44:        union lofn_reg          sc_tmp;
        !            45:        union lofn_reg          sc_zero;
        !            46:        SIMPLEQ_HEAD(,lofn_q)   sc_queue;
        !            47:        struct lofn_q           *sc_current;
        !            48: };
        !            49:
        !            50: struct lofn_q {
        !            51:        SIMPLEQ_ENTRY(lofn_q) q_next;
        !            52:        int (*q_start)(struct lofn_softc *, struct lofn_q *);
        !            53:        void (*q_finish)(struct lofn_softc *, struct lofn_q *);
        !            54:        struct cryptkop *q_krp;
        !            55: };
        !            56:
        !            57: #define        READ_REG(sc,r)          \
        !            58:     bus_space_read_4((sc)->sc_st, (sc)->sc_sh, (r))
        !            59: #define        READ_REG_0(sc,r)        READ_REG((sc), (r) | LOFN_WIN_0)
        !            60: #define        READ_REG_1(sc,r)        READ_REG((sc), (r) | LOFN_WIN_1)
        !            61: #define        READ_REG_2(sc,r)        READ_REG((sc), (r) | LOFN_WIN_2)
        !            62: #define        READ_REG_3(sc,r)        READ_REG((sc), (r) | LOFN_WIN_3)
        !            63:
        !            64: #define        WRITE_REG(sc,r,v)       \
        !            65:     bus_space_write_4((sc)->sc_st, (sc)->sc_sh, (r), (v))
        !            66: #define        WRITE_REG_0(sc,r,v)     WRITE_REG((sc), (r) | LOFN_WIN_0, (v))
        !            67: #define        WRITE_REG_1(sc,r,v)     WRITE_REG((sc), (r) | LOFN_WIN_1, (v))
        !            68: #define        WRITE_REG_2(sc,r,v)     WRITE_REG((sc), (r) | LOFN_WIN_2, (v))
        !            69: #define        WRITE_REG_3(sc,r,v)     WRITE_REG((sc), (r) | LOFN_WIN_3, (v))
        !            70:
        !            71: #ifndef LOFN_RNG_SCALAR
        !            72: #define        LOFN_RNG_SCALAR         0x00000700
        !            73: #endif
        !            74:
        !            75: /* C = M ^ E mod N */
        !            76: #define        LOFN_MODEXP_PAR_M       0
        !            77: #define        LOFN_MODEXP_PAR_E       1
        !            78: #define        LOFN_MODEXP_PAR_N       2