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Annotation of sys/dev/pci/noctvar.h, Revision 1.1.1.1

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: