Annotation of sys/dev/pci/ubsecreg.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: ubsecreg.h,v 1.28 2003/06/04 16:02:41 jason Exp $ */
2:
3: /*
4: * Copyright (c) 2000 Theo de Raadt
5: * Copyright (c) 2001 Patrik Lindergren (patrik@ipunplugged.com)
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: *
11: * 1. Redistributions of source code must retain the above copyright
12: * notice, this list of conditions and the following disclaimer.
13: * 2. Redistributions in binary form must reproduce the above copyright
14: * notice, this list of conditions and the following disclaimer in the
15: * documentation and/or other materials provided with the distribution.
16: *
17: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20: * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26: * THIS SOFTWARE, EVEN IF ADVISED OF THE 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: /*
35: * Register definitions for 5601 BlueSteel Networks Ubiquitous Broadband
36: * Security "uBSec" chip. Definitions from revision 2.8 of the product
37: * datasheet.
38: */
39:
40: #define BS_BAR 0x10 /* DMA base address register */
41: #define BS_TRDY_TIMEOUT 0x40 /* TRDY timeout */
42: #define BS_RETRY_TIMEOUT 0x41 /* DMA retry timeout */
43:
44: #define UBS_PCI_RTY_SHIFT 8
45: #define UBS_PCI_RTY_MASK 0xff
46: #define UBS_PCI_RTY(misc) \
47: (((misc) >> UBS_PCI_RTY_SHIFT) & UBS_PCI_RTY_MASK)
48:
49: #define UBS_PCI_TOUT_SHIFT 0
50: #define UBS_PCI_TOUT_MASK 0xff
51: #define UBS_PCI_TOUT(misc) \
52: (((misc) >> PCI_TOUT_SHIFT) & PCI_TOUT_MASK)
53:
54: /*
55: * DMA Control & Status Registers (offset from BS_BAR)
56: */
57: #define BS_MCR1 0x00 /* DMA Master Command Record 1 */
58: #define BS_CTRL 0x04 /* DMA Control */
59: #define BS_STAT 0x08 /* DMA Status */
60: #define BS_ERR 0x0c /* DMA Error Address */
61: #define BS_MCR2 0x10 /* DMA Master Command Record 2 */
62:
63: /* BS_CTRL - DMA Control */
64: #define BS_CTRL_RESET 0x80000000 /* hardware reset, 5805/5820 */
65: #define BS_CTRL_MCR2INT 0x40000000 /* enable intr MCR for MCR2 */
66: #define BS_CTRL_MCR1INT 0x20000000 /* enable intr MCR for MCR1 */
67: #define BS_CTRL_OFM 0x10000000 /* Output fragment mode */
68: #define BS_CTRL_BE32 0x08000000 /* big-endian, 32bit bytes */
69: #define BS_CTRL_BE64 0x04000000 /* big-endian, 64bit bytes */
70: #define BS_CTRL_DMAERR 0x02000000 /* enable intr DMA error */
71: #define BS_CTRL_RNG_M 0x01800000 /* RNG mode */
72: #define BS_CTRL_RNG_1 0x00000000 /* 1bit rn/one slow clock */
73: #define BS_CTRL_RNG_4 0x00800000 /* 1bit rn/four slow clocks */
74: #define BS_CTRL_RNG_8 0x01000000 /* 1bit rn/eight slow clocks */
75: #define BS_CTRL_RNG_16 0x01800000 /* 1bit rn/16 slow clocks */
76: #define BS_CTRL_SWNORM 0x00400000 /* 582[01], sw normalization */
77: #define BS_CTRL_FRAG_M 0x0000ffff /* output fragment size mask */
78: #define BS_CTRL_LITTLE_ENDIAN (BS_CTRL_BE32 | BS_CTRL_BE64)
79:
80: /* BS_STAT - DMA Status */
81: #define BS_STAT_MCR1_BUSY 0x80000000 /* MCR1 is busy */
82: #define BS_STAT_MCR1_FULL 0x40000000 /* MCR1 is full */
83: #define BS_STAT_MCR1_DONE 0x20000000 /* MCR1 is done */
84: #define BS_STAT_DMAERR 0x10000000 /* DMA error */
85: #define BS_STAT_MCR2_FULL 0x08000000 /* MCR2 is full */
86: #define BS_STAT_MCR2_DONE 0x04000000 /* MCR2 is done */
87: #define BS_STAT_MCR1_ALLEMPTY 0x02000000 /* 5821, MCR1 is empty */
88: #define BS_STAT_MCR2_ALLEMPTY 0x01000000 /* 5821, MCR2 is empty */
89:
90: /* BS_ERR - DMA Error Address */
91: #define BS_ERR_ADDR 0xfffffffc /* error address mask */
92: #define BS_ERR_READ 0x00000002 /* fault was on read */
93:
94: struct ubsec_pktctx {
95: u_int32_t pc_deskey[6]; /* 3DES key */
96: u_int32_t pc_hminner[5]; /* hmac inner state */
97: u_int32_t pc_hmouter[5]; /* hmac outer state */
98: u_int32_t pc_iv[2]; /* [3]DES iv */
99: u_int16_t pc_flags; /* flags, below */
100: u_int16_t pc_offset; /* crypto offset */
101: };
102: #define UBS_PKTCTX_ENC_3DES 0x8000 /* use 3des */
103: #define UBS_PKTCTX_ENC_NONE 0x0000 /* no encryption */
104: #define UBS_PKTCTX_INBOUND 0x4000 /* inbound packet */
105: #define UBS_PKTCTX_AUTH 0x3000 /* authentication mask */
106: #define UBS_PKTCTX_AUTH_NONE 0x0000 /* no authentication */
107: #define UBS_PKTCTX_AUTH_MD5 0x1000 /* use hmac-md5 */
108: #define UBS_PKTCTX_AUTH_SHA1 0x2000 /* use hmac-sha1 */
109:
110: struct ubsec_pktctx_long {
111: volatile u_int16_t pc_len; /* length of ctx struct */
112: volatile u_int16_t pc_type; /* context type, 0 */
113: volatile u_int16_t pc_flags; /* flags, same as above */
114: volatile u_int16_t pc_offset; /* crypto/auth offset */
115: volatile u_int32_t pc_deskey[6]; /* 3DES key */
116: volatile u_int32_t pc_iv[2]; /* [3]DES iv */
117: volatile u_int32_t pc_hminner[5]; /* hmac inner state */
118: volatile u_int32_t pc_hmouter[5]; /* hmac outer state */
119: };
120: #define UBS_PKTCTX_TYPE_IPSEC 0x0000
121:
122: struct ubsec_pktbuf {
123: volatile u_int32_t pb_addr; /* address of buffer start */
124: volatile u_int32_t pb_next; /* pointer to next pktbuf */
125: volatile u_int32_t pb_len; /* packet length */
126: };
127: #define UBS_PKTBUF_LEN 0x0000ffff /* length mask */
128:
129: struct ubsec_mcr {
130: volatile u_int16_t mcr_pkts; /* #pkts in this mcr */
131: volatile u_int16_t mcr_flags; /* mcr flags (below) */
132: volatile u_int32_t mcr_cmdctxp; /* command ctx pointer */
133: struct ubsec_pktbuf mcr_ipktbuf; /* input chain header */
134: volatile u_int16_t mcr_reserved;
135: volatile u_int16_t mcr_pktlen;
136: struct ubsec_pktbuf mcr_opktbuf; /* output chain header */
137: };
138:
139: struct ubsec_mcr_add {
140: volatile u_int32_t mcr_cmdctxp; /* command ctx pointer */
141: struct ubsec_pktbuf mcr_ipktbuf; /* input chain header */
142: volatile u_int16_t mcr_reserved;
143: volatile u_int16_t mcr_pktlen;
144: struct ubsec_pktbuf mcr_opktbuf; /* output chain header */
145: };
146:
147: #define UBS_MCR_DONE 0x0001 /* mcr has been processed */
148: #define UBS_MCR_ERROR 0x0002 /* error in processing */
149: #define UBS_MCR_ERRORCODE 0xff00 /* error type */
150:
151: struct ubsec_ctx_keyop {
152: volatile u_int16_t ctx_len; /* command length */
153: volatile u_int16_t ctx_op; /* operation code */
154: volatile u_int8_t ctx_pad[60]; /* padding */
155: };
156: #define UBS_CTXOP_DHPKGEN 0x01 /* dh public key generation */
157: #define UBS_CTXOP_DHSSGEN 0x02 /* dh shared secret gen. */
158: #define UBS_CTXOP_RSAPUB 0x03 /* rsa public key op */
159: #define UBS_CTXOP_RSAPRIV 0x04 /* rsa private key op */
160: #define UBS_CTXOP_DSASIGN 0x05 /* dsa signing op */
161: #define UBS_CTXOP_DSAVRFY 0x06 /* dsa verification */
162: #define UBS_CTXOP_RNGBYPASS 0x41 /* rng direct test mode */
163: #define UBS_CTXOP_RNGSHA1 0x42 /* rng sha1 test mode */
164: #define UBS_CTXOP_MODADD 0x43 /* modular addition */
165: #define UBS_CTXOP_MODSUB 0x44 /* modular subtraction */
166: #define UBS_CTXOP_MODMUL 0x45 /* modular multiplication */
167: #define UBS_CTXOP_MODRED 0x46 /* modular reduction */
168: #define UBS_CTXOP_MODEXP 0x47 /* modular exponentiation */
169: #define UBS_CTXOP_MODINV 0x48 /* modular inverse */
170:
171: struct ubsec_ctx_rngbypass {
172: volatile u_int16_t rbp_len; /* command length, 64 */
173: volatile u_int16_t rbp_op; /* rng bypass, 0x41 */
174: volatile u_int8_t rbp_pad[60]; /* padding */
175: };
176:
177: /* modexp: C = (M ^ E) mod N */
178: struct ubsec_ctx_modexp {
179: volatile u_int16_t me_len; /* command length */
180: volatile u_int16_t me_op; /* modexp, 0x47 */
181: volatile u_int16_t me_E_len; /* E (bits) */
182: volatile u_int16_t me_N_len; /* N (bits) */
183: u_int8_t me_N[2048/8]; /* N */
184: };
185:
186: struct ubsec_ctx_rsapriv {
187: volatile u_int16_t rpr_len; /* command length */
188: volatile u_int16_t rpr_op; /* rsaprivate, 0x04 */
189: volatile u_int16_t rpr_q_len; /* q (bits) */
190: volatile u_int16_t rpr_p_len; /* p (bits) */
191: u_int8_t rpr_buf[5 * 1024 / 8]; /* parameters: */
192: /* p, q, dp, dq, pinv */
193: };
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