1 /* $OpenBSD: isesvar.h,v 1.6 2003/06/07 11:31:24 ho Exp $ */
2
3 /*
4 * Copyright (c) 2000 Håkan Olsson (ho@crt.se)
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *
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 WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28 struct ises_softc {
29 struct device sc_dv; /* generic device */
30 void *sc_ih; /* interrupt handler cookie */
31 bus_space_handle_t sc_memh; /* memory handle */
32 bus_space_tag_t sc_memt; /* memory tag */
33 bus_dma_tag_t sc_dmat; /* dma tag */
34 bus_dmamap_t sc_dmamap; /* dma xfer map */
35 caddr_t sc_dma_data; /* data area */
36
37 int32_t sc_cid; /* crypto tag */
38 u_int32_t sc_intrmask; /* interrupt mask */
39 u_int32_t sc_dma_mask; /* DMA running mask */
40 SIMPLEQ_HEAD(,ises_q) sc_queue; /* packet queue */
41 int sc_nqueue; /* count enqueued */
42 SIMPLEQ_HEAD(,ises_q) sc_qchip; /* on chip */
43 struct timeout sc_timeout; /* init + hrng timeout */
44 int sc_nsessions; /* nr of sessions */
45 struct ises_session *sc_sessions; /* sessions */
46 int sc_cursession; /* current session */
47 int sc_switching; /* we're switching sessions */
48 int sc_initstate; /* card initialization state */
49
50 SIMPLEQ_HEAD(,ises_cmd) sc_cmdq; /* Commands in A-queue */
51 u_int32_t sc_lnau1_r[64]; /* LNAU 1 result (2048 bits) */
52 int sc_lnau1_rlen; /* LNAU 1 result len (bytes) */
53 u_int32_t sc_lnau2_r[64]; /* LNAU 2 result (2048 bits) */
54 int sc_lnau2_rlen; /* LNAU 2 result len (bytes) */
55 };
56
57 union ises_q_u {
58 struct mbuf *mbuf;
59 struct uio *uio;
60 /* XXX more ? */
61 };
62
63 #define ISES_MAX_SCATTER 64
64
65 struct ises_q {
66 SIMPLEQ_ENTRY(ises_q) q_next;
67 struct cryptop *q_crp;
68 struct ises_softc *q_sc;
69
70 union ises_q_u q_src, q_dst; /* src/dst data bufs */
71
72 bus_dma_segment_t q_src_ds, q_dst_ds;
73
74 struct ises_session q_session;
75 u_int16_t q_offset; /* crypto offset */
76 int q_sesn;
77
78 #if 0
79 long q_src_packp[ISES_MAX_SCATTER];
80 int q_src_packl[ISES_MAX_SCATTER];
81 int q_src_npa, q_src_l;
82 #endif
83
84 long q_dst_packp;
85 int q_dst_packl;
86 int q_dst_npa, q_dst_l;
87 u_int32_t q_macbuf[5];
88 };
89
90 struct ises_cmd {
91 SIMPLEQ_ENTRY(ises_cmd) cmd_next;
92 u_int32_t cmd_code; /* Command code */
93 u_int32_t cmd_rlen; /* Response length */
94 u_int32_t cmd_session; /* Current ises_session */
95 u_int32_t (*cmd_cb)(struct ises_softc *,
96 struct ises_cmd *); /* Callback */
97 };
98
99 /* Maximum queue length */
100 #ifndef ISES_MAX_NQUEUE
101 #define ISES_MAX_NQUEUE 24
102 #endif