ubsecreg.h revision 104478
1/* $FreeBSD: head/sys/dev/ubsec/ubsecreg.h 104478 2002-10-04 20:33:20Z sam $ */
2/*	$OpenBSD: ubsecreg.h,v 1.23 2002/05/08 23:05:28 jason Exp $	*/
3
4/*
5 * Copyright (c) 2000 Theo de Raadt
6 * Copyright (c) 2001 Patrik Lindergren (patrik@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 * 3. The name of the author may not be used to endorse or promote products
18 *    derived from this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 *
31 * Effort sponsored in part by the Defense Advanced Research Projects
32 * Agency (DARPA) and Air Force Research Laboratory, Air Force
33 * Materiel Command, USAF, under agreement number F30602-01-2-0537.
34 *
35 */
36
37/*
38 * Register definitions for 5601 BlueSteel Networks Ubiquitous Broadband
39 * Security "uBSec" chip.  Definitions from revision 2.8 of the product
40 * datasheet.
41 */
42
43#define BS_BAR			0x10	/* DMA base address register */
44#define	BS_TRDY_TIMEOUT		0x40	/* TRDY timeout */
45#define	BS_RETRY_TIMEOUT	0x41	/* DMA retry timeout */
46
47#define	PCI_VENDOR_BROADCOM	0x14e4		/* Broadcom */
48#define	PCI_VENDOR_BLUESTEEL	0x15ab		/* Bluesteel Networks */
49
50/* Bluesteel Networks */
51#define	PCI_PRODUCT_BLUESTEEL_5501	0x0000		/* 5501 */
52#define	PCI_PRODUCT_BLUESTEEL_5601	0x5601		/* 5601 */
53
54/* Broadcom */
55#define	PCI_PRODUCT_BROADCOM_BCM5700	0x1644		/* BCM5700 */
56#define	PCI_PRODUCT_BROADCOM_BCM5701	0x1645		/* BCM5701 */
57#define	PCI_PRODUCT_BROADCOM_5805	0x5805		/* 5805 */
58#define	PCI_PRODUCT_BROADCOM_5820	0x5820		/* 5820 */
59#define	PCI_PRODUCT_BROADCOM_5821	0x5821		/* 5821 */
60#define	PCI_PRODUCT_BROADCOM_5822	0x5822		/* 5822 */
61
62#define	UBS_PCI_RTY_SHIFT			8
63#define	UBS_PCI_RTY_MASK			0xff
64#define	UBS_PCI_RTY(misc) \
65    (((misc) >> UBS_PCI_RTY_SHIFT) & UBS_PCI_RTY_MASK)
66
67#define	UBS_PCI_TOUT_SHIFT			0
68#define	UBS_PCI_TOUT_MASK			0xff
69#define	UBS_PCI_TOUT(misc) \
70    (((misc) >> PCI_TOUT_SHIFT) & PCI_TOUT_MASK)
71
72/*
73 * DMA Control & Status Registers (offset from BS_BAR)
74 */
75#define	BS_MCR1		0x00	/* DMA Master Command Record 1 */
76#define	BS_CTRL		0x04	/* DMA Control */
77#define	BS_STAT		0x08	/* DMA Status */
78#define	BS_ERR		0x0c	/* DMA Error Address */
79#define	BS_MCR2		0x10	/* DMA Master Command Record 2 */
80
81/* BS_CTRL - DMA Control */
82#define	BS_CTRL_RESET		0x80000000	/* hardware reset, 5805/5820 */
83#define	BS_CTRL_MCR2INT		0x40000000	/* enable intr MCR for MCR2 */
84#define	BS_CTRL_MCR1INT		0x20000000	/* enable intr MCR for MCR1 */
85#define	BS_CTRL_OFM		0x10000000	/* Output fragment mode */
86#define	BS_CTRL_BE32		0x08000000	/* big-endian, 32bit bytes */
87#define	BS_CTRL_BE64		0x04000000	/* big-endian, 64bit bytes */
88#define	BS_CTRL_DMAERR		0x02000000	/* enable intr DMA error */
89#define	BS_CTRL_RNG_M		0x01800000	/* RND mode */
90#define	BS_CTRL_RNG_1		0x00000000	/* 1bit rn/one slow clock */
91#define	BS_CTRL_RNG_4		0x00800000	/* 1bit rn/four slow clocks */
92#define	BS_CTRL_RNG_8		0x01000000	/* 1bit rn/eight slow clocks */
93#define	BS_CTRL_RNG_16		0x01800000	/* 1bit rn/16 slow clocks */
94#define	BS_CTRL_FRAG_M		0x0000ffff	/* output fragment size mask */
95
96/* BS_STAT - DMA Status */
97#define	BS_STAT_MCR1_BUSY	0x80000000	/* MCR1 is busy */
98#define	BS_STAT_MCR1_FULL	0x40000000	/* MCR1 is full */
99#define	BS_STAT_MCR1_DONE	0x20000000	/* MCR1 is done */
100#define	BS_STAT_DMAERR		0x10000000	/* DMA error */
101#define	BS_STAT_MCR2_FULL	0x08000000	/* MCR2 is full */
102#define	BS_STAT_MCR2_DONE	0x04000000	/* MCR2 is done */
103#define	BS_STAT_MCR1_ALLEMPTY	0x02000000	/* MCR1 is completely empty */
104#define	BS_STAT_MCR2_ALLEMPTY	0x01000000	/* MCR2 is completely empty */
105
106/* BS_ERR - DMA Error Address */
107#define	BS_ERR_ADDR		0xfffffffc	/* error address mask */
108#define	BS_ERR_READ		0x00000002	/* fault was on read */
109
110struct ubsec_pktctx {
111	u_int32_t	pc_deskey[6];		/* 3DES key */
112	u_int32_t	pc_hminner[5];		/* hmac inner state */
113	u_int32_t	pc_hmouter[5];		/* hmac outer state */
114	u_int32_t	pc_iv[2];		/* [3]DES iv */
115	u_int16_t	pc_flags;		/* flags, below */
116	u_int16_t	pc_offset;		/* crypto offset */
117};
118#define	UBS_PKTCTX_ENC_3DES	0x8000		/* use 3des */
119#define	UBS_PKTCTX_ENC_NONE	0x0000		/* no encryption */
120#define	UBS_PKTCTX_INBOUND	0x4000		/* inbound packet */
121#define	UBS_PKTCTX_AUTH		0x3000		/* authentication mask */
122#define	UBS_PKTCTX_AUTH_NONE	0x0000		/* no authentication */
123#define	UBS_PKTCTX_AUTH_MD5	0x1000		/* use hmac-md5 */
124#define	UBS_PKTCTX_AUTH_SHA1	0x2000		/* use hmac-sha1 */
125
126struct ubsec_pktctx_long {
127	volatile u_int16_t	pc_len;		/* length of ctx struct */
128	volatile u_int16_t	pc_type;	/* context type, 0 */
129	volatile u_int16_t	pc_flags;	/* flags, same as above */
130	volatile u_int16_t	pc_offset;	/* crypto/auth offset */
131	volatile u_int32_t	pc_deskey[6];	/* 3DES key */
132	volatile u_int32_t	pc_iv[2];	/* [3]DES iv */
133	volatile u_int32_t	pc_hminner[5];	/* hmac inner state */
134	volatile u_int32_t	pc_hmouter[5];	/* hmac outer state */
135};
136#define	UBS_PKTCTX_TYPE_IPSEC	0x0000
137
138struct ubsec_pktbuf {
139	volatile u_int32_t	pb_addr;	/* address of buffer start */
140	volatile u_int32_t	pb_next;	/* pointer to next pktbuf */
141	volatile u_int32_t	pb_len;		/* packet length */
142};
143#define	UBS_PKTBUF_LEN		0x0000ffff	/* length mask */
144
145struct ubsec_mcr {
146	volatile u_int16_t	mcr_pkts;	/* #pkts in this mcr */
147	volatile u_int16_t	mcr_flags;	/* mcr flags (below) */
148	volatile u_int32_t	mcr_cmdctxp;	/* command ctx pointer */
149	struct ubsec_pktbuf	mcr_ipktbuf;	/* input chain header */
150	volatile u_int16_t	mcr_reserved;
151	volatile u_int16_t	mcr_pktlen;
152	struct ubsec_pktbuf	mcr_opktbuf;	/* output chain header */
153};
154
155struct ubsec_mcr_add {
156	volatile u_int32_t	mcr_cmdctxp;	/* command ctx pointer */
157	struct ubsec_pktbuf	mcr_ipktbuf;	/* input chain header */
158	volatile u_int16_t	mcr_reserved;
159	volatile u_int16_t	mcr_pktlen;
160	struct ubsec_pktbuf	mcr_opktbuf;	/* output chain header */
161};
162
163#define	UBS_MCR_DONE		0x0001		/* mcr has been processed */
164#define	UBS_MCR_ERROR		0x0002		/* error in processing */
165#define	UBS_MCR_ERRORCODE	0xff00		/* error type */
166
167struct ubsec_ctx_keyop {
168	volatile u_int16_t	ctx_len;	/* command length */
169	volatile u_int16_t	ctx_op;		/* operation code */
170	volatile u_int8_t	ctx_pad[60];	/* padding */
171};
172#define	UBS_CTXOP_DHPKGEN	0x01		/* dh public key generation */
173#define	UBS_CTXOP_DHSSGEN	0x02		/* dh shared secret gen. */
174#define	UBS_CTXOP_RSAPUB	0x03		/* rsa public key op */
175#define	UBS_CTXOP_RSAPRIV	0x04		/* rsa private key op */
176#define	UBS_CTXOP_DSASIGN	0x05		/* dsa signing op */
177#define	UBS_CTXOP_DSAVRFY	0x06		/* dsa verification */
178#define	UBS_CTXOP_RNGBYPASS	0x41		/* rng direct test mode */
179#define	UBS_CTXOP_RNGSHA1	0x42		/* rng sha1 test mode */
180#define	UBS_CTXOP_MODADD	0x43		/* modular addition */
181#define	UBS_CTXOP_MODSUB	0x44		/* modular subtraction */
182#define	UBS_CTXOP_MODMUL	0x45		/* modular multiplication */
183#define	UBS_CTXOP_MODRED	0x46		/* modular reduction */
184#define	UBS_CTXOP_MODEXP	0x47		/* modular exponentiation */
185#define	UBS_CTXOP_MODINV	0x48		/* modular inverse */
186
187struct ubsec_ctx_rngbypass {
188	volatile u_int16_t	rbp_len;	/* command length, 64 */
189	volatile u_int16_t	rbp_op;		/* rng bypass, 0x41 */
190	volatile u_int8_t	rbp_pad[60];	/* padding */
191};
192
193/* modexp: C = (M ^ E) mod N */
194struct ubsec_ctx_modexp {
195	volatile u_int16_t	me_len;		/* command length */
196	volatile u_int16_t	me_op;		/* modexp, 0x47 */
197	volatile u_int16_t	me_E_len;	/* E (bits) */
198	volatile u_int16_t	me_N_len;	/* N (bits) */
199	u_int8_t		me_N[1024/8];	/* N */
200};
201
202struct ubsec_ctx_rsapriv {
203	volatile u_int16_t	rpr_len;	/* command length */
204	volatile u_int16_t	rpr_op;		/* rsaprivate, 0x04 */
205	volatile u_int16_t	rpr_q_len;	/* q (bits) */
206	volatile u_int16_t	rpr_p_len;	/* p (bits) */
207	u_int8_t		rpr_buf[5 * 1024 / 8];	/* parameters: */
208						/* p, q, dp, dq, pinv */
209};
210