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:
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