ubsecreg.h revision 1.4 1 /* $NetBSD: ubsecreg.h,v 1.4 2014/04/19 12:29:24 bad Exp $ */
2 /* $OpenBSD: ubsecreg.h,v 1.29 2009/03/25 12:17:30 reyk Exp $ */
3
4 /*
5 * Copyright (c) 2000 Theo de Raadt
6 * Copyright (c) 2001 Patrik Lindergren (patrik (at) ipunplugged.com)
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 *
29 * Effort sponsored in part by the Defense Advanced Research Projects
30 * Agency (DARPA) and Air Force Research Laboratory, Air Force
31 * Materiel Command, USAF, under agreement number F30602-01-2-0537.
32 *
33 */
34
35 /*
36 * Register definitions for 5601 BlueSteel Networks Ubiquitous Broadband
37 * Security "uBSec" chip. Definitions from revision 2.8 of the product
38 * datasheet.
39 */
40
41 #define BS_BAR 0x10 /* DMA base address register */
42 #define BS_TRDY_TIMEOUT 0x40 /* TRDY timeout */
43 #define BS_RETRY_TIMEOUT 0x41 /* DMA retry timeout */
44
45 #define UBS_PCI_RTY_SHIFT 8
46 #define UBS_PCI_RTY_MASK 0xff
47 #define UBS_PCI_RTY(misc) \
48 (((misc) >> UBS_PCI_RTY_SHIFT) & UBS_PCI_RTY_MASK)
49
50 #define UBS_PCI_TOUT_SHIFT 0
51 #define UBS_PCI_TOUT_MASK 0xff
52 #define UBS_PCI_TOUT(misc) \
53 (((misc) >> PCI_TOUT_SHIFT) & PCI_TOUT_MASK)
54
55 /*
56 * DMA Control & Status Registers (offset from BS_BAR)
57 */
58 #define BS_MCR1 0x00 /* DMA Master Command Record 1 */
59 #define BS_CTRL 0x04 /* DMA Control */
60 #define BS_STAT 0x08 /* DMA Status */
61 #define BS_ERR 0x0c /* DMA Error Address */
62 #define BS_MCR2 0x10 /* DMA Master Command Record 2 */
63 #define BS_MCR3 0x0014 /* 5827+, DMA Master Command Record 3 */
64 #define BS_MCR4 0x001c /* 5827+, DMA Master Command Record 4 */
65 #define BS_CFG 0x0700 /* 5827+, Configuration Register */
66 #define BS_INT 0x0f00 /* 5827+, Interrupt Register */
67
68 /* BS_CTRL - DMA Control */
69 #define BS_CTRL_RESET 0x80000000 /* hardware reset, 5805/5820 */
70 #define BS_CTRL_MCR2INT 0x40000000 /* enable intr MCR for MCR2 */
71 #define BS_CTRL_MCR1INT 0x20000000 /* enable intr MCR for MCR1 */
72 #define BS_CTRL_OFM 0x10000000 /* Output fragment mode */
73 #define BS_CTRL_BE32 0x08000000 /* big-endian, 32bit bytes */
74 #define BS_CTRL_BE64 0x04000000 /* big-endian, 64bit bytes */
75 #define BS_CTRL_DMAERR 0x02000000 /* enable intr DMA error */
76 #define BS_CTRL_RNG_M 0x01800000 /* RNG mode */
77 #define BS_CTRL_RNG_1 0x00000000 /* 1bit rn/one slow clock */
78 #define BS_CTRL_RNG_4 0x00800000 /* 1bit rn/four slow clocks */
79 #define BS_CTRL_RNG_8 0x01000000 /* 1bit rn/eight slow clocks */
80 #define BS_CTRL_RNG_16 0x01800000 /* 1bit rn/16 slow clocks */
81 #define BS_CTRL_SWNORM 0x00400000 /* 582[01], sw normalization */
82 #define BS_CTRL_MCR3INT 0x00400000 /* 5827+, intr for MCR3 */
83 #define BS_CTRL_MCR4INT 0x00200000 /* 5827+, intr for MCR4 */
84 #define BS_CTRL_BSIZE240 0x000f0000 /* 5827+, burst size 240 */
85 #define BS_CTRL_FRAG_M 0x0000ffff /* output fragment size mask */
86 #define BS_CTRL_LITTLE_ENDIAN (BS_CTRL_BE32 | BS_CTRL_BE64)
87
88 /* BS_STAT - DMA Status */
89 #define BS_STAT_MCR1_BUSY 0x80000000 /* MCR1 is busy */
90 #define BS_STAT_MCR1_FULL 0x40000000 /* MCR1 is full */
91 #define BS_STAT_MCR1_DONE 0x20000000 /* MCR1 is done */
92 #define BS_STAT_DMAERR 0x10000000 /* DMA error */
93 #define BS_STAT_MCR2_FULL 0x08000000 /* MCR2 is full */
94 #define BS_STAT_MCR2_DONE 0x04000000 /* MCR2 is done */
95 #define BS_STAT_MCR1_ALLEMPTY 0x02000000 /* 5821, MCR1 is empty */
96 #define BS_STAT_MCR2_ALLEMPTY 0x01000000 /* 5821, MCR2 is empty */
97 #define BS_STAT_MCR3_ALLEMPTY 0x00800000 /* 5827+, MCR3 is empty */
98 #define BS_STAT_MCR4_ALLEMPTY 0x00400000 /* 5827+, MCR4 is empty */
99 #define BS_STAT_MCR3_FULL 0x00080000 /* 5827+, MCR3 is full */
100 #define BS_STAT_MCR3_DONE 0x00040000 /* 5827+, MCR3 is done */
101 #define BS_STAT_MCR4_FULL 0x00020000 /* 5827+, MCR4 is full */
102 #define BS_STAT_MCR4_DONE 0x00010000 /* 5827+, MCR4 is done */
103
104 /* BS_ERR - DMA Error Address */
105 #define BS_ERR_ADDR 0xfffffffc /* error address mask */
106 #define BS_ERR_READ 0x00000002 /* fault was on read */
107
108 /* BS_CFG */
109 #define BS_CFG_RNG 0x00000001 /* 5827+, enable RNG */
110
111 /* BS_INT */
112 #define BS_INT_DMAINT 0x80000000 /* 5827+, enable DMA intr */
113
114 /* DES/3DES */
115 struct ubsec_pktctx {
116 u_int32_t pc_deskey[6]; /* 3DES key */
117 u_int32_t pc_hminner[5]; /* hmac inner state */
118 u_int32_t pc_hmouter[5]; /* hmac outer state */
119 u_int32_t pc_iv[2]; /* [3]DES iv */
120 u_int16_t pc_flags; /* flags, below */
121 u_int16_t pc_offset; /* crypto offset */
122 };
123 #define UBS_PKTCTX_ENC_3DES 0x8000 /* use 3des */
124 #define UBS_PKTCTX_ENC_NONE 0x0000 /* no encryption */
125 #define UBS_PKTCTX_INBOUND 0x4000 /* inbound packet */
126 #define UBS_PKTCTX_AUTH 0x3000 /* authentication mask */
127 #define UBS_PKTCTX_AUTH_NONE 0x0000 /* no authentication */
128 #define UBS_PKTCTX_AUTH_MD5 0x1000 /* use hmac-md5 */
129 #define UBS_PKTCTX_AUTH_SHA1 0x2000 /* use hmac-sha1 */
130
131 /* "Long" cryptographic operations on newer chipsets */
132 #define UBS_PKTCTX_TYPE_IPSEC_3DES 0x0000
133 #define UBS_PKTCTX_TYPE_IPSEC_AES 0x0040
134
135 struct ubsec_pktctx_hdr {
136 volatile u_int16_t ph_len; /* length of ctx struct */
137 volatile u_int16_t ph_type; /* context type, 0 */
138 volatile u_int16_t ph_flags; /* flags, same as above */
139 volatile u_int16_t ph_offset; /* crypto/auth offset */
140 };
141
142 /* Long version of DES/3DES */
143 struct ubsec_pktctx_3des {
144 struct ubsec_pktctx_hdr pc_hdr; /* Common header */
145 volatile u_int32_t pc_deskey[6]; /* 3DES key */
146 volatile u_int32_t pc_iv[2]; /* [3]DES iv */
147 volatile u_int32_t pc_hminner[5]; /* hmac inner state */
148 volatile u_int32_t pc_hmouter[5]; /* hmac outer state */
149 };
150
151 /* AES uses different structures for each supported key size */
152 struct ubsec_pktctx_aes128 {
153 struct ubsec_pktctx_hdr pc_hdr; /* Common header */
154 volatile u_int32_t pc_aeskey[4]; /* AES128 key */
155 volatile u_int32_t pc_iv[4]; /* AES iv/ucv */
156 volatile u_int32_t pc_hminner[5]; /* hmac inner state */
157 volatile u_int32_t pc_hmouter[5]; /* hmac outer state */
158 };
159
160 struct ubsec_pktctx_aes192 {
161 struct ubsec_pktctx_hdr pc_hdr; /* Common header */
162 volatile u_int32_t pc_aeskey[6]; /* AES192 key */
163 volatile u_int32_t pc_iv[4]; /* AES iv/icv */
164 volatile u_int32_t pc_hminner[5]; /* hmac inner state */
165 volatile u_int32_t pc_hmouter[5]; /* hmac outer state */
166 };
167
168 struct ubsec_pktctx_aes256 {
169 struct ubsec_pktctx_hdr pc_hdr; /* Common header */
170 volatile u_int32_t pc_aeskey[8]; /* AES256 key */
171 volatile u_int32_t pc_iv[4]; /* AES iv/icv */
172 volatile u_int32_t pc_hminner[5]; /* hmac inner state */
173 volatile u_int32_t pc_hmouter[5]; /* hmac outer state */
174 };
175 #define UBS_PKTCTX_ENC_AES 0x8000 /* use aes */
176 #define UBS_PKTCTX_MODE_CBC 0x0000 /* Cipher Block Chaining mode */
177 #define UBS_PKTCTX_MODE_CTR 0x0400 /* Counter mode */
178 #define UBS_PKTCTX_KEYSIZE_128 0x0000 /* AES128 */
179 #define UBS_PKTCTX_KEYSIZE_192 0x0100 /* AES192 */
180 #define UBS_PKTCTX_KEYSIZE_256 0x0200 /* AES256 */
181
182 struct ubsec_pktbuf {
183 volatile u_int32_t pb_addr; /* address of buffer start */
184 volatile u_int32_t pb_next; /* pointer to next pktbuf */
185 volatile u_int32_t pb_len; /* packet length */
186 };
187 #define UBS_PKTBUF_LEN 0x0000ffff /* length mask */
188
189 struct ubsec_mcr {
190 volatile u_int16_t mcr_pkts; /* #pkts in this mcr */
191 volatile u_int16_t mcr_flags; /* mcr flags (below) */
192 volatile u_int32_t mcr_cmdctxp; /* command ctx pointer */
193 struct ubsec_pktbuf mcr_ipktbuf; /* input chain header */
194 volatile u_int16_t mcr_reserved;
195 volatile u_int16_t mcr_pktlen;
196 struct ubsec_pktbuf mcr_opktbuf; /* output chain header */
197 };
198
199 struct ubsec_mcr_add {
200 volatile u_int32_t mcr_cmdctxp; /* command ctx pointer */
201 struct ubsec_pktbuf mcr_ipktbuf; /* input chain header */
202 volatile u_int16_t mcr_reserved;
203 volatile u_int16_t mcr_pktlen;
204 struct ubsec_pktbuf mcr_opktbuf; /* output chain header */
205 };
206
207 #define UBS_MCR_DONE 0x0001 /* mcr has been processed */
208 #define UBS_MCR_ERROR 0x0002 /* error in processing */
209 #define UBS_MCR_ERRORCODE 0xff00 /* error type */
210
211 struct ubsec_ctx_keyop {
212 volatile u_int16_t ctx_len; /* command length */
213 volatile u_int16_t ctx_op; /* operation code */
214 volatile u_int8_t ctx_pad[60]; /* padding */
215 };
216 #define UBS_CTXOP_DHPKGEN 0x01 /* dh public key generation */
217 #define UBS_CTXOP_DHSSGEN 0x02 /* dh shared secret gen. */
218 #define UBS_CTXOP_RSAPUB 0x03 /* rsa public key op */
219 #define UBS_CTXOP_RSAPRIV 0x04 /* rsa private key op */
220 #define UBS_CTXOP_DSASIGN 0x05 /* dsa signing op */
221 #define UBS_CTXOP_DSAVRFY 0x06 /* dsa verification */
222 #define UBS_CTXOP_RNGBYPASS 0x41 /* rng direct test mode */
223 #define UBS_CTXOP_RNGSHA1 0x42 /* rng sha1 test mode */
224 #define UBS_CTXOP_MODADD 0x43 /* modular addition */
225 #define UBS_CTXOP_MODSUB 0x44 /* modular subtraction */
226 #define UBS_CTXOP_MODMUL 0x45 /* modular multiplication */
227 #define UBS_CTXOP_MODRED 0x46 /* modular reduction */
228 #define UBS_CTXOP_MODEXP 0x47 /* modular exponentiation */
229 #define UBS_CTXOP_MODINV 0x48 /* modular inverse */
230
231 struct ubsec_ctx_rngbypass {
232 volatile u_int16_t rbp_len; /* command length, 64 */
233 volatile u_int16_t rbp_op; /* rng bypass, 0x41 */
234 volatile u_int8_t rbp_pad[60]; /* padding */
235 };
236
237 /* modexp: C = (M ^ E) mod N */
238 struct ubsec_ctx_modexp {
239 volatile u_int16_t me_len; /* command length */
240 volatile u_int16_t me_op; /* modexp, 0x47 */
241 volatile u_int16_t me_E_len; /* E (bits) */
242 volatile u_int16_t me_N_len; /* N (bits) */
243 u_int8_t me_N[2048/8]; /* N */
244 };
245
246 struct ubsec_ctx_rsapriv {
247 volatile u_int16_t rpr_len; /* command length */
248 volatile u_int16_t rpr_op; /* rsaprivate, 0x04 */
249 volatile u_int16_t rpr_q_len; /* q (bits) */
250 volatile u_int16_t rpr_p_len; /* p (bits) */
251 u_int8_t rpr_buf[5 * 1024 / 8]; /* parameters: */
252 /* p, q, dp, dq, pinv */
253 };
254