xref: /netbsd/sys/dev/pci/hifn7751reg.h (revision bf9ec67e)
1 /*	$NetBSD: hifn7751reg.h,v 1.1 2000/10/12 02:59:59 itojun Exp $	*/
2 /*	$OpenBSD: hifn7751reg.h,v 1.15 2000/09/21 13:34:58 jason Exp $	*/
3 
4 /*
5  * Invertex AEON / Hi/fn 7751 driver
6  * Copyright (c) 1999 Invertex Inc. All rights reserved.
7  * Copyright (c) 1999 Theo de Raadt
8  * Copyright (c) 2000 Network Security Technologies, Inc.
9  *			http://www.netsec.net
10  *
11  * Please send any comments, feedback, bug-fixes, or feature requests to
12  * software@invertex.com.
13  *
14  * Redistribution and use in source and binary forms, with or without
15  * modification, are permitted provided that the following conditions
16  * are met:
17  *
18  * 1. Redistributions of source code must retain the above copyright
19  *    notice, this list of conditions and the following disclaimer.
20  * 2. Redistributions in binary form must reproduce the above copyright
21  *    notice, this list of conditions and the following disclaimer in the
22  *    documentation and/or other materials provided with the distribution.
23  * 3. The name of the author may not be used to endorse or promote products
24  *    derived from this software without specific prior written permission.
25  *
26  *
27  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
28  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
29  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
30  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
31  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
32  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
33  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
34  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
35  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
36  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
37  */
38 #ifndef __DEV_PCI_HIFN7751REG_H__
39 #define __DEV_PCI_HIFN7751REG_H__
40 
41 #include <machine/endian.h>
42 
43 /*
44  * Some PCI configuration space offset defines.  The names were made
45  * identical to the names used by the Linux kernel.
46  */
47 #define HIFN_BAR0		(PCI_MAPREG_START + 0)	/* PUC register map */
48 #define HIFN_BAR1		(PCI_MAPREG_START + 4)	/* DMA register map */
49 
50 /*
51  *  Some configurable values for the driver
52  */
53 #define HIFN_D_CMD_RSIZE	24
54 #define HIFN_D_SRC_RSIZE	80
55 #define HIFN_D_DST_RSIZE	80
56 #define HIFN_D_RES_RSIZE	24
57 
58 /*
59  * The values below should multiple of 4 -- and be large enough to handle
60  * any command the driver implements.
61  *
62  * MAX_COMMAND = base command + mac command + encrypt command +
63  *			mac-key + des-iv + 3des-key
64  * MAX_RESULT  = base result + mac result + mac + encrypt result
65  *
66  *
67  */
68 #define HIFN_MAX_COMMAND	(8 + 8 + 8 + 64 + 8 + 24)
69 #define HIFN_MAX_RESULT		(8 + 4 + 20 + 4)
70 
71 /*
72  * hifn_desc_t
73  *
74  * Holds an individual descriptor for any of the rings.
75  */
76 typedef struct hifn_desc {
77 	volatile u_int32_t l;		/* length and status bits */
78 	volatile u_int32_t p;
79 } hifn_desc_t;
80 
81 /*
82  * Masks for the "length" field of struct hifn_desc.
83  */
84 #define HIFN_D_LENGTH		0x0000ffff	/* length bit mask */
85 #define	HIFN_D_MASKDONEIRQ	0x02000000	/* mask the done interrupt */
86 #define	HIFN_D_DESTOVER		0x04000000	/* destination overflow */
87 #define	HIFN_D_OVER		0x08000000	/* overflow */
88 #define	HIFN_D_LAST		0x20000000	/* last descriptor in chain */
89 #define	HIFN_D_JUMP		0x40000000	/* jump descriptor */
90 #define	HIFN_D_VALID		0x80000000	/* valid bit */
91 
92 /*
93  * hifn_callback_t
94  *
95  * Type for callback function when dest data is ready.
96  */
97 typedef void (*hifn_callback_t)(hifn_command_t *);
98 
99 /*
100  * Data structure to hold all 4 rings and any other ring related data.
101  */
102 struct hifn_dma {
103 	/*
104 	 *  Descriptor rings.  We add +1 to the size to accomidate the
105 	 *  jump descriptor.
106 	 */
107 	struct hifn_desc	cmdr[HIFN_D_CMD_RSIZE+1];
108 	struct hifn_desc	srcr[HIFN_D_SRC_RSIZE+1];
109 	struct hifn_desc	dstr[HIFN_D_DST_RSIZE+1];
110 	struct hifn_desc	resr[HIFN_D_RES_RSIZE+1];
111 
112 	struct hifn_command	*hifn_commands[HIFN_D_RES_RSIZE];
113 
114 	u_char	command_bufs[HIFN_D_CMD_RSIZE][HIFN_MAX_COMMAND];
115 	u_char	result_bufs[HIFN_D_CMD_RSIZE][HIFN_MAX_RESULT];
116 
117 	/*
118 	 *  Our current positions for insertion and removal from the desriptor
119 	 *  rings.
120 	 */
121 	int		cmdi, srci, dsti, resi;
122 	volatile int	cmdu, srcu, dstu, resu;
123 	int		cmdk, srck, dstk, resk;
124 };
125 
126 struct hifn_session {
127 	int hs_flags;
128 	u_int8_t hs_iv[HIFN_IV_LENGTH];
129 };
130 
131 /*
132  * Holds data specific to a single HIFN board.
133  */
134 struct hifn_softc {
135 	struct device	sc_dv;		/* generic device */
136 	void *		sc_ih;		/* interrupt handler cookie */
137 	u_int32_t	sc_drammodel;	/* 1=dram, 0=sram */
138 
139 	bus_space_handle_t	sc_sh0, sc_sh1;
140 	bus_space_tag_t		sc_st0, sc_st1;
141 	bus_dma_tag_t		sc_dmat;
142 
143 	struct hifn_dma *sc_dma;
144 	int32_t sc_cid;
145 	int sc_maxses;
146 	int sc_ramsize;
147 	struct hifn_session sc_sessions[2048];
148 };
149 
150 /*
151  * Processing Unit Registers (offset from BASEREG0)
152  */
153 #define	HIFN_0_PUDATA		0x00	/* Processing Unit Data */
154 #define	HIFN_0_PUCTRL		0x04	/* Processing Unit Control */
155 #define	HIFN_0_PUISR		0x08	/* Processing Unit Interrupt Status */
156 #define	HIFN_0_PUCNFG		0x0c	/* Processing Unit Configuration */
157 #define	HIFN_0_PUIER		0x10	/* Processing Unit Interrupt Enable */
158 #define	HIFN_0_PUSTAT		0x14	/* Processing Unit Status/Chip ID */
159 #define	HIFN_0_FIFOSTAT		0x18	/* FIFO Status */
160 #define	HIFN_0_FIFOCNFG		0x1c	/* FIFO Configuration */
161 #define	HIFN_0_SPACESIZE	0x20	/* Register space size */
162 
163 /* Processing Unit Control Register (HIFN_0_PUCTRL) */
164 #define	HIFN_PUCTRL_CLRSRCFIFO	0x0010	/* clear source fifo */
165 #define	HIFN_PUCTRL_STOP	0x0008	/* stop pu */
166 #define	HIFN_PUCTRL_LOCKRAM	0x0004	/* lock ram */
167 #define	HIFN_PUCTRL_DMAENA	0x0002	/* enable dma */
168 #define	HIFN_PUCTRL_RESET	0x0001	/* Reset processing unit */
169 
170 /* Processing Unit Interrupt Status Register (HIFN_0_PUISR) */
171 #define	HIFN_PUISR_CMDINVAL	0x8000	/* Invalid command interrupt */
172 #define	HIFN_PUISR_DATAERR	0x4000	/* Data error interrupt */
173 #define	HIFN_PUISR_SRCFIFO	0x2000	/* Source FIFO ready interrupt */
174 #define	HIFN_PUISR_DSTFIFO	0x1000	/* Destination FIFO ready interrupt */
175 #define	HIFN_PUISR_DSTOVER	0x0200	/* Destination overrun interrupt */
176 #define	HIFN_PUISR_SRCCMD	0x0080	/* Source command interrupt */
177 #define	HIFN_PUISR_SRCCTX	0x0040	/* Source context interrupt */
178 #define	HIFN_PUISR_SRCDATA	0x0020	/* Source data interrupt */
179 #define	HIFN_PUISR_DSTDATA	0x0010	/* Destination data interrupt */
180 #define	HIFN_PUISR_DSTRESULT	0x0004	/* Destination result interrupt */
181 
182 /* Processing Unit Configuration Register (HIFN_0_PUCNFG) */
183 #define	HIFN_PUCNFG_DRAMMASK	0xe000	/* DRAM size mask */
184 #define	HIFN_PUCNFG_DSZ_256K	0x0000	/* 256k dram */
185 #define	HIFN_PUCNFG_DSZ_512K	0x2000	/* 512k dram */
186 #define	HIFN_PUCNFG_DSZ_1M	0x4000	/* 1m dram */
187 #define	HIFN_PUCNFG_DSZ_2M	0x6000	/* 2m dram */
188 #define	HIFN_PUCNFG_DSZ_4M	0x8000	/* 4m dram */
189 #define	HIFN_PUCNFG_DSZ_8M	0xa000	/* 8m dram */
190 #define	HIFN_PUNCFG_DSZ_16M	0xc000	/* 16m dram */
191 #define	HIFN_PUCNFG_DSZ_32M	0xe000	/* 32m dram */
192 #define	HIFN_PUCNFG_DRAMREFRESH	0x1800	/* DRAM refresh rate mask */
193 #define	HIFN_PUCNFG_DRFR_512	0x0000	/* 512 divisor of ECLK */
194 #define	HIFN_PUCNFG_DRFR_256	0x0800	/* 256 divisor of ECLK */
195 #define	HIFN_PUCNFG_DRFR_128	0x1000	/* 128 divisor of ECLK */
196 #define	HIFN_PUCNFG_TCALLPHASES	0x0200	/* your guess is as good as mine... */
197 #define	HIFN_PUCNFG_TCDRVTOTEM	0x0100	/* your guess is as good as mine... */
198 #define	HIFN_PUCNFG_BIGENDIAN	0x0080	/* DMA big endian mode */
199 #define	HIFN_PUCNFG_BUS32	0x0040	/* Bus width 32bits */
200 #define	HIFN_PUCNFG_BUS16	0x0000	/* Bus width 16 bits */
201 #define	HIFN_PUCNFG_CHIPID	0x0020	/* Allow chipid from PUSTAT */
202 #define	HIFN_PUCNFG_DRAM	0x0010	/* Context RAM is DRAM */
203 #define	HIFN_PUCNFG_SRAM	0x0000	/* Context RAM is SRAM */
204 #define	HIFN_PUCNFG_COMPSING	0x0004	/* Enable single compression context */
205 #define	HIFN_PUCNFG_ENCCNFG	0x0002	/* Encryption configuration */
206 
207 /* Processing Unit Interrupt Enable Register (HIFN_0_PUIER) */
208 #define	HIFN_PUIER_CMDINVAL	0x8000	/* Invalid command interrupt */
209 #define	HIFN_PUIER_DATAERR	0x4000	/* Data error interrupt */
210 #define	HIFN_PUIER_SRCFIFO	0x2000	/* Source FIFO ready interrupt */
211 #define	HIFN_PUIER_DSTFIFO	0x1000	/* Destination FIFO ready interrupt */
212 #define	HIFN_PUIER_DSTOVER	0x0200	/* Destination overrun interrupt */
213 #define	HIFN_PUIER_SRCCMD	0x0080	/* Source command interrupt */
214 #define	HIFN_PUIER_SRCCTX	0x0040	/* Source context interrupt */
215 #define	HIFN_PUIER_SRCDATA	0x0020	/* Source data interrupt */
216 #define	HIFN_PUIER_DSTDATA	0x0010	/* Destination data interrupt */
217 #define	HIFN_PUIER_DSTRESULT	0x0004	/* Destination result interrupt */
218 
219 /* Processing Unit Status Register/Chip ID (HIFN_0_PUSTAT) */
220 #define	HIFN_PUSTAT_CMDINVAL	0x8000	/* Invalid command interrupt */
221 #define	HIFN_PUSTAT_DATAERR	0x4000	/* Data error interrupt */
222 #define	HIFN_PUSTAT_SRCFIFO	0x2000	/* Source FIFO ready interrupt */
223 #define	HIFN_PUSTAT_DSTFIFO	0x1000	/* Destination FIFO ready interrupt */
224 #define	HIFN_PUSTAT_DSTOVER	0x0200	/* Destination overrun interrupt */
225 #define	HIFN_PUSTAT_SRCCMD	0x0080	/* Source command interrupt */
226 #define	HIFN_PUSTAT_SRCCTX	0x0040	/* Source context interrupt */
227 #define	HIFN_PUSTAT_SRCDATA	0x0020	/* Source data interrupt */
228 #define	HIFN_PUSTAT_DSTDATA	0x0010	/* Destination data interrupt */
229 #define	HIFN_PUSTAT_DSTRESULT	0x0004	/* Destination result interrupt */
230 #define	HIFN_PUSTAT_CHIPREV	0x00ff	/* Chip revision mask */
231 #define	HIFN_PUSTAT_CHIPENA	0xff00	/* Chip enabled mask */
232 #define	HIFN_PUSTAT_ENA_2	0x1100	/* Level 2 enabled */
233 #define	HIFN_PUSTAT_ENA_1	0x1000	/* Level 1 enabled */
234 #define	HIFN_PUSTAT_ENA_0	0x3000	/* Level 0 enabled */
235 #define	HIFN_PUSTAT_REV_2	0x0020	/* 7751 PT6/2 */
236 #define	HIFN_PUSTAT_REV_3	0x0030	/* 7751 PT6/3 */
237 
238 /* FIFO Status Register (HIFN_0_FIFOSTAT) */
239 #define	HIFN_FIFOSTAT_SRC	0x7f00	/* Source FIFO available */
240 #define	HIFN_FIFOSTAT_DST	0x007f	/* Destination FIFO available */
241 
242 /* FIFO Configuration Register (HIFN_0_FIFOCNFG) */
243 #define	HIFN_FIFOCNFG_THRESHOLD	0x0400	/* must be written as 1 */
244 
245 /*
246  * DMA Interface Registers (offset from BASEREG1)
247  */
248 #define	HIFN_1_DMA_CRAR		0x0c	/* DMA Command Ring Address */
249 #define	HIFN_1_DMA_SRAR		0x1c	/* DMA Source Ring Address */
250 #define	HIFN_1_DMA_RRAR		0x2c	/* DMA Resultt Ring Address */
251 #define	HIFN_1_DMA_DRAR		0x3c	/* DMA Destination Ring Address */
252 #define	HIFN_1_DMA_CSR		0x40	/* DMA Status and Control */
253 #define	HIFN_1_DMA_IER		0x44	/* DMA Interrupt Enable */
254 #define	HIFN_1_DMA_CNFG		0x48	/* DMA Configuration */
255 #define	HIFN_1_REVID		0x98	/* Revision ID */
256 
257 /* DMA Status and Control Register (HIFN_1_DMA_CSR) */
258 #define	HIFN_DMACSR_D_CTRLMASK	0xc0000000	/* Destinition Ring Control */
259 #define	HIFN_DMACSR_D_CTRL_NOP	0x00000000	/* Dest. Control: no-op */
260 #define	HIFN_DMACSR_D_CTRL_DIS	0x40000000	/* Dest. Control: disable */
261 #define	HIFN_DMACSR_D_CTRL_ENA	0x80000000	/* Dest. Control: enable */
262 #define	HIFN_DMACSR_D_ABORT	0x20000000	/* Destinition Ring PCIAbort */
263 #define	HIFN_DMACSR_D_DONE	0x10000000	/* Destinition Ring Done */
264 #define	HIFN_DMACSR_D_LAST	0x08000000	/* Destinition Ring Last */
265 #define	HIFN_DMACSR_D_WAIT	0x04000000	/* Destinition Ring Waiting */
266 #define	HIFN_DMACSR_D_OVER	0x02000000	/* Destinition Ring Overflow */
267 #define	HIFN_DMACSR_R_CTRL	0x00c00000	/* Result Ring Control */
268 #define	HIFN_DMACSR_R_CTRL_NOP	0x00000000	/* Result Control: no-op */
269 #define	HIFN_DMACSR_R_CTRL_DIS	0x00400000	/* Result Control: disable */
270 #define	HIFN_DMACSR_R_CTRL_ENA	0x00800000	/* Result Control: enable */
271 #define	HIFN_DMACSR_R_ABORT	0x00200000	/* Result Ring PCI Abort */
272 #define	HIFN_DMACSR_R_DONE	0x00100000	/* Result Ring Done */
273 #define	HIFN_DMACSR_R_LAST	0x00080000	/* Result Ring Last */
274 #define	HIFN_DMACSR_R_WAIT	0x00040000	/* Result Ring Waiting */
275 #define	HIFN_DMACSR_R_OVER	0x00020000	/* Result Ring Overflow */
276 #define	HIFN_DMACSR_S_CTRL	0x0000c000	/* Source Ring Control */
277 #define	HIFN_DMACSR_S_CTRL_NOP	0x00000000	/* Source Control: no-op */
278 #define	HIFN_DMACSR_S_CTRL_DIS	0x00004000	/* Source Control: disable */
279 #define	HIFN_DMACSR_S_CTRL_ENA	0x00008000	/* Source Control: enable */
280 #define	HIFN_DMACSR_S_ABORT	0x00002000	/* Source Ring PCI Abort */
281 #define	HIFN_DMACSR_S_DONE	0x00001000	/* Source Ring Done */
282 #define	HIFN_DMACSR_S_LAST	0x00000800	/* Source Ring Last */
283 #define	HIFN_DMACSR_S_WAIT	0x00000400	/* Source Ring Waiting */
284 #define	HIFN_DMACSR_S_OVER	0x00000200	/* Source Ring Overflow */
285 #define	HIFN_DMACSR_C_CTRL	0x000000c0	/* Command Ring Control */
286 #define	HIFN_DMACSR_C_CTRL_NOP	0x00000000	/* Command Control: no-op */
287 #define	HIFN_DMACSR_C_CTRL_DIS	0x00000040	/* Command Control: disable */
288 #define	HIFN_DMACSR_C_CTRL_ENA	0x00000080	/* Command Control: enable */
289 #define	HIFN_DMACSR_C_ABORT	0x00000020	/* Command Ring PCI Abort */
290 #define	HIFN_DMACSR_C_DONE	0x00000010	/* Command Ring Done */
291 #define	HIFN_DMACSR_C_LAST	0x00000008	/* Command Ring Last */
292 #define	HIFN_DMACSR_C_WAIT	0x00000004	/* Command Ring Waiting */
293 #define	HIFN_DMACSR_C_EIRQ	0x00000001	/* Command Ring Engine IRQ */
294 
295 /* DMA Interrupt Enable Register (HIFN_1_DMA_IER) */
296 #define	HIFN_DMAIER_D_ABORT	0x20000000	/* Destination Ring PCIAbort */
297 #define	HIFN_DMAIER_D_DONE	0x10000000	/* Destination Ring Done */
298 #define	HIFN_DMAIER_D_LAST	0x08000000	/* Destination Ring Last */
299 #define	HIFN_DMAIER_D_WAIT	0x04000000	/* Destination Ring Waiting */
300 #define	HIFN_DMAIER_D_OVER	0x02000000	/* Destination Ring Overflow */
301 #define	HIFN_DMAIER_R_ABORT	0x00200000	/* Result Ring PCI Abort */
302 #define	HIFN_DMAIER_R_DONE	0x00100000	/* Result Ring Done */
303 #define	HIFN_DMAIER_R_LAST	0x00080000	/* Result Ring Last */
304 #define	HIFN_DMAIER_R_WAIT	0x00040000	/* Result Ring Waiting */
305 #define	HIFN_DMAIER_R_OVER	0x00020000	/* Result Ring Overflow */
306 #define	HIFN_DMAIER_S_ABORT	0x00002000	/* Source Ring PCI Abort */
307 #define	HIFN_DMAIER_S_DONE	0x00001000	/* Source Ring Done */
308 #define	HIFN_DMAIER_S_LAST	0x00000800	/* Source Ring Last */
309 #define	HIFN_DMAIER_S_WAIT	0x00000400	/* Source Ring Waiting */
310 #define	HIFN_DMAIER_S_OVER	0x00000200	/* Source Ring Overflow */
311 #define	HIFN_DMAIER_C_ABORT	0x00000020	/* Command Ring PCI Abort */
312 #define	HIFN_DMAIER_C_DONE	0x00000010	/* Command Ring Done */
313 #define	HIFN_DMAIER_C_LAST	0x00000008	/* Command Ring Last */
314 #define	HIFN_DMAIER_C_WAIT	0x00000004	/* Command Ring Waiting */
315 #define	HIFN_DMAIER_ENGINE	0x00000001	/* Engine IRQ */
316 
317 /* DMA Configuration Register (HIFN_1_DMA_CNFG) */
318 #define	HIFN_DMACNFG_BIGENDIAN	0x10000000	/* big endian mode */
319 #define	HIFN_DMACNFG_POLLFREQ	0x00ff0000	/* Poll frequency mask */
320 #define	HIFN_DMACNFG_UNLOCK	0x00000800
321 #define	HIFN_DMACNFG_POLLINVAL	0x00000700	/* Invalid Poll Scalar */
322 #define	HIFN_DMACNFG_LAST	0x00000010	/* Host control LAST bit */
323 #define	HIFN_DMACNFG_MODE	0x00000004	/* DMA mode */
324 #define	HIFN_DMACNFG_DMARESET	0x00000002	/* DMA Reset # */
325 #define	HIFN_DMACNFG_MSTRESET	0x00000001	/* Master Reset # */
326 
327 #define WRITE_REG_0(sc,reg,val) \
328     bus_space_write_4((sc)->sc_st0, (sc)->sc_sh0, reg, val)
329 #define READ_REG_0(sc,reg) \
330     bus_space_read_4((sc)->sc_st0, (sc)->sc_sh0, reg)
331 
332 /*
333  * Register offsets in register set 1
334  */
335 
336 #define	HIFN_UNLOCK_SECRET1	0xf4
337 #define	HIFN_UNLOCK_SECRET2	0xfc
338 
339 #define WRITE_REG_1(sc,reg,val)	\
340     bus_space_write_4((sc)->sc_st1, (sc)->sc_sh1, reg, val)
341 #define READ_REG_1(sc,reg) \
342     bus_space_read_4((sc)->sc_st1, (sc)->sc_sh1, reg)
343 
344 /*********************************************************************
345  * Structs for board commands
346  *
347  *********************************************************************/
348 
349 /*
350  * Structure to help build up the command data structure.
351  */
352 typedef struct hifn_base_command {
353 	volatile u_int16_t masks;
354 	volatile u_int16_t session_num;
355 	volatile u_int16_t total_source_count;
356 	volatile u_int16_t total_dest_count;
357 } hifn_base_command_t;
358 
359 #define HIFN_BASE_CMD_MAC		(0x1 << 10)
360 #define HIFN_BASE_CMD_CRYPT		(0x1 << 11)
361 #define HIFN_BASE_CMD_DECODE		(0x1 << 13)
362 
363 /*
364  * Structure to help build up the command data structure.
365  */
366 typedef struct hifn_crypt_command {
367 	volatile u_int16_t masks;
368 	volatile u_int16_t header_skip;
369 	volatile u_int32_t source_count;
370 } hifn_crypt_command_t;
371 
372 #define HIFN_CRYPT_CMD_ALG_MASK		(0x3 << 0)
373 #define HIFN_CRYPT_CMD_ALG_DES		(0x0 << 0)
374 #define HIFN_CRYPT_CMD_ALG_3DES		(0x1 << 0)
375 #define HIFN_CRYPT_CMD_MODE_CBC		(0x1 << 3)
376 #define HIFN_CRYPT_CMD_NEW_KEY		(0x1 << 11)
377 #define HIFN_CRYPT_CMD_NEW_IV		(0x1 << 12)
378 
379 /*
380  * Structure to help build up the command data structure.
381  */
382 typedef struct hifn_mac_command {
383 	volatile u_int16_t masks;
384 	volatile u_int16_t header_skip;
385 	volatile u_int32_t source_count;
386 } hifn_mac_command_t;
387 
388 #define HIFN_MAC_CMD_ALG_MD5		(0x1 << 0)
389 #define HIFN_MAC_CMD_ALG_SHA1		(0x0 << 0)
390 #define HIFN_MAC_CMD_MODE_HMAC		(0x0 << 2)
391 #define HIFN_MAC_CMD_TRUNC		(0x1 << 4)
392 #define HIFN_MAC_CMD_RESULT		(0x1 << 5)
393 #define HIFN_MAC_CMD_APPEND		(0x1 << 6)
394 /*
395  * MAC POS IPSec initiates authentication after encryption on encodes
396  * and before decryption on decodes.
397  */
398 #define HIFN_MAC_CMD_POS_IPSEC		(0x2 << 8)
399 #define HIFN_MAC_CMD_NEW_KEY		(0x1 << 11)
400 
401 /*
402  * The poll frequency and poll scalar defines are unshifted values used
403  * to set fields in the DMA Configuration Register.
404  */
405 #ifndef HIFN_POLL_FREQUENCY
406 #define HIFN_POLL_FREQUENCY	0x1
407 #endif
408 
409 #ifndef HIFN_POLL_SCALAR
410 #define HIFN_POLL_SCALAR	0x0
411 #endif
412 
413 #endif /* __DEV_PCI_HIFN7751REG_H__ */
414