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