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:
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