1/*
2 * Copyright (C) 2007 PA Semi, Inc
3 *
4 * Driver for the PA Semi PWRficient DMA Crypto Engine, soft state and
5 * hardware register layouts.
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
19 */
20
21#ifndef PASEMI_FNU_H
22#define PASEMI_FNU_H
23
24#include <linux/spinlock.h>
25
26#define	PASEMI_SESSION(sid)	((sid) & 0xffffffff)
27#define	PASEMI_SID(sesn)	((sesn) & 0xffffffff)
28#define	DPRINTF(a...)	if (debug) { printk(DRV_NAME ": " a); }
29
30/* Must be a power of two */
31#define RX_RING_SIZE 512
32#define TX_RING_SIZE 512
33#define TX_DESC(ring, num)	((ring)->desc[2 * (num & (TX_RING_SIZE-1))])
34#define TX_DESC_INFO(ring, num)	((ring)->desc_info[(num) & (TX_RING_SIZE-1)])
35#define MAX_DESC_SIZE 8
36#define PASEMI_INITIAL_SESSIONS 10
37#define PASEMI_FNU_CHANNELS 8
38
39/* DMA descriptor */
40struct pasemi_desc {
41	u64 quad[2*MAX_DESC_SIZE];
42	int quad_cnt;
43	int size;
44	int postop;
45};
46
47/*
48 * Holds per descriptor data
49 */
50struct pasemi_desc_info {
51	int			desc_size;
52	int			desc_postop;
53#define PASEMI_CHECK_SIG 0x1
54
55	struct cryptop          *cf_crp;
56};
57
58/*
59 * Holds per channel data
60 */
61struct pasemi_fnu_txring {
62	volatile u64		*desc;
63	volatile struct
64	pasemi_desc_info	*desc_info;
65	dma_addr_t		dma;
66	struct timer_list       crypto_timer;
67	spinlock_t		fill_lock;
68	spinlock_t		clean_lock;
69	unsigned int		next_to_fill;
70	unsigned int		next_to_clean;
71	u16			total_pktcnt;
72	int			irq;
73	int			sesn;
74	char			irq_name[10];
75};
76
77/*
78 * Holds data specific to a single pasemi device.
79 */
80struct pasemi_softc {
81	softc_device_decl	sc_cdev;
82	struct pci_dev		*dma_pdev;	/* device backpointer */
83	struct pci_dev		*iob_pdev;	/* device backpointer */
84	void __iomem		*dma_regs;
85	void __iomem		*iob_regs;
86	int			base_irq;
87	int			base_chan;
88	int32_t			sc_cid;		/* crypto tag */
89	int			sc_nsessions;
90	struct pasemi_session	**sc_sessions;
91	int			sc_num_channels;/* number of crypto channels */
92
93	/* pointer to the array of txring datastructures, one txring per channel */
94	struct pasemi_fnu_txring *tx;
95
96	/*
97	 * mutual exclusion for the channel scheduler
98	 */
99	spinlock_t		sc_chnlock;
100	/* last channel used, for now use round-robin to allocate channels */
101	int			sc_lastchn;
102};
103
104struct pasemi_session {
105	u64 civ[2];
106	u64 keysz;
107	u64 key[4];
108	u64 ccmd;
109	u64 hkey[4];
110	u64 hseq;
111	u64 giv[2];
112	u64 hiv[4];
113
114	int used;
115	dma_addr_t	dma_addr;
116	int chan;
117};
118
119/* status register layout in IOB region, at 0xfd800000 */
120struct pasdma_status {
121	u64 rx_sta[64];
122	u64 tx_sta[20];
123};
124
125#define ALG_IS_CIPHER(alg) ((alg == CRYPTO_DES_CBC)		|| \
126				(alg == CRYPTO_3DES_CBC)	|| \
127				(alg == CRYPTO_AES_CBC)		|| \
128				(alg == CRYPTO_ARC4)		|| \
129				(alg == CRYPTO_NULL_CBC))
130
131#define ALG_IS_SIG(alg) ((alg == CRYPTO_MD5)			|| \
132				(alg == CRYPTO_MD5_HMAC)	|| \
133				(alg == CRYPTO_SHA1)		|| \
134				(alg == CRYPTO_SHA1_HMAC)	|| \
135				(alg == CRYPTO_NULL_HMAC))
136
137enum {
138	PAS_DMA_COM_TXCMD = 0x100,	/* Transmit Command Register  */
139	PAS_DMA_COM_TXSTA = 0x104,	/* Transmit Status Register   */
140	PAS_DMA_COM_RXCMD = 0x108,	/* Receive Command Register   */
141	PAS_DMA_COM_RXSTA = 0x10c,	/* Receive Status Register    */
142	PAS_DMA_COM_CFG   = 0x114,	/* DMA Configuration Register */
143};
144
145/* All these registers live in the PCI configuration space for the DMA PCI
146 * device. Use the normal PCI config access functions for them.
147 */
148
149#define PAS_DMA_COM_CFG_FWF	0x18000000
150
151#define PAS_DMA_COM_TXCMD_EN	0x00000001 /* enable */
152#define PAS_DMA_COM_TXSTA_ACT	0x00000001 /* active */
153#define PAS_DMA_COM_RXCMD_EN	0x00000001 /* enable */
154#define PAS_DMA_COM_RXSTA_ACT	0x00000001 /* active */
155
156#define _PAS_DMA_TXCHAN_STRIDE	0x20    /* Size per channel		*/
157#define _PAS_DMA_TXCHAN_TCMDSTA	0x300	/* Command / Status		*/
158#define _PAS_DMA_TXCHAN_CFG	0x304	/* Configuration		*/
159#define _PAS_DMA_TXCHAN_DSCRBU	0x308	/* Descriptor BU Allocation	*/
160#define _PAS_DMA_TXCHAN_INCR	0x310	/* Descriptor increment		*/
161#define _PAS_DMA_TXCHAN_CNT	0x314	/* Descriptor count/offset	*/
162#define _PAS_DMA_TXCHAN_BASEL	0x318	/* Descriptor ring base (low)	*/
163#define _PAS_DMA_TXCHAN_BASEU	0x31c	/*			(high)	*/
164#define PAS_DMA_TXCHAN_TCMDSTA(c) (0x300+(c)*_PAS_DMA_TXCHAN_STRIDE)
165#define    PAS_DMA_TXCHAN_TCMDSTA_EN	0x00000001	/* Enabled */
166#define    PAS_DMA_TXCHAN_TCMDSTA_ST	0x00000002	/* Stop interface */
167#define    PAS_DMA_TXCHAN_TCMDSTA_ACT	0x00010000	/* Active */
168#define PAS_DMA_TXCHAN_CFG(c)     (0x304+(c)*_PAS_DMA_TXCHAN_STRIDE)
169#define    PAS_DMA_TXCHAN_CFG_TY_FUNC	0x00000002	/* Type = interface */
170#define    PAS_DMA_TXCHAN_CFG_TY_IFACE	0x00000000	/* Type = interface */
171#define    PAS_DMA_TXCHAN_CFG_TATTR_M	0x0000003c
172#define    PAS_DMA_TXCHAN_CFG_TATTR_S	2
173#define    PAS_DMA_TXCHAN_CFG_TATTR(x)	(((x) << PAS_DMA_TXCHAN_CFG_TATTR_S) & \
174					 PAS_DMA_TXCHAN_CFG_TATTR_M)
175#define    PAS_DMA_TXCHAN_CFG_WT_M	0x000001c0
176#define    PAS_DMA_TXCHAN_CFG_WT_S	6
177#define    PAS_DMA_TXCHAN_CFG_WT(x)	(((x) << PAS_DMA_TXCHAN_CFG_WT_S) & \
178					 PAS_DMA_TXCHAN_CFG_WT_M)
179#define    PAS_DMA_TXCHAN_CFG_LPSQ_FAST	0x00000400
180#define    PAS_DMA_TXCHAN_CFG_LPDQ_FAST	0x00000800
181#define    PAS_DMA_TXCHAN_CFG_CF	0x00001000	/* Clean first line */
182#define    PAS_DMA_TXCHAN_CFG_CL	0x00002000	/* Clean last line */
183#define    PAS_DMA_TXCHAN_CFG_UP	0x00004000	/* update tx descr when sent */
184#define PAS_DMA_TXCHAN_INCR(c)    (0x310+(c)*_PAS_DMA_TXCHAN_STRIDE)
185#define PAS_DMA_TXCHAN_BASEL(c)   (0x318+(c)*_PAS_DMA_TXCHAN_STRIDE)
186#define    PAS_DMA_TXCHAN_BASEL_BRBL_M	0xffffffc0
187#define    PAS_DMA_TXCHAN_BASEL_BRBL_S	0
188#define    PAS_DMA_TXCHAN_BASEL_BRBL(x)	(((x) << PAS_DMA_TXCHAN_BASEL_BRBL_S) & \
189					 PAS_DMA_TXCHAN_BASEL_BRBL_M)
190#define PAS_DMA_TXCHAN_BASEU(c)   (0x31c+(c)*_PAS_DMA_TXCHAN_STRIDE)
191#define    PAS_DMA_TXCHAN_BASEU_BRBH_M	0x00000fff
192#define    PAS_DMA_TXCHAN_BASEU_BRBH_S	0
193#define    PAS_DMA_TXCHAN_BASEU_BRBH(x)	(((x) << PAS_DMA_TXCHAN_BASEU_BRBH_S) & \
194					 PAS_DMA_TXCHAN_BASEU_BRBH_M)
195/* # of cache lines worth of buffer ring */
196#define    PAS_DMA_TXCHAN_BASEU_SIZ_M	0x3fff0000
197#define    PAS_DMA_TXCHAN_BASEU_SIZ_S	16		/* 0 = 16K */
198#define    PAS_DMA_TXCHAN_BASEU_SIZ(x)	(((x) << PAS_DMA_TXCHAN_BASEU_SIZ_S) & \
199					 PAS_DMA_TXCHAN_BASEU_SIZ_M)
200
201#define    PAS_STATUS_PCNT_M		0x000000000000ffffull
202#define    PAS_STATUS_PCNT_S		0
203#define    PAS_STATUS_DCNT_M		0x00000000ffff0000ull
204#define    PAS_STATUS_DCNT_S		16
205#define    PAS_STATUS_BPCNT_M		0x0000ffff00000000ull
206#define    PAS_STATUS_BPCNT_S		32
207#define    PAS_STATUS_CAUSE_M		0xf000000000000000ull
208#define    PAS_STATUS_TIMER		0x1000000000000000ull
209#define    PAS_STATUS_ERROR		0x2000000000000000ull
210#define    PAS_STATUS_SOFT		0x4000000000000000ull
211#define    PAS_STATUS_INT		0x8000000000000000ull
212
213#define PAS_IOB_DMA_RXCH_CFG(i)		(0x1100 + (i)*4)
214#define    PAS_IOB_DMA_RXCH_CFG_CNTTH_M		0x00000fff
215#define    PAS_IOB_DMA_RXCH_CFG_CNTTH_S		0
216#define    PAS_IOB_DMA_RXCH_CFG_CNTTH(x)	(((x) << PAS_IOB_DMA_RXCH_CFG_CNTTH_S) & \
217						 PAS_IOB_DMA_RXCH_CFG_CNTTH_M)
218#define PAS_IOB_DMA_TXCH_CFG(i)		(0x1200 + (i)*4)
219#define    PAS_IOB_DMA_TXCH_CFG_CNTTH_M		0x00000fff
220#define    PAS_IOB_DMA_TXCH_CFG_CNTTH_S		0
221#define    PAS_IOB_DMA_TXCH_CFG_CNTTH(x)	(((x) << PAS_IOB_DMA_TXCH_CFG_CNTTH_S) & \
222						 PAS_IOB_DMA_TXCH_CFG_CNTTH_M)
223#define PAS_IOB_DMA_RXCH_STAT(i)	(0x1300 + (i)*4)
224#define    PAS_IOB_DMA_RXCH_STAT_INTGEN	0x00001000
225#define    PAS_IOB_DMA_RXCH_STAT_CNTDEL_M	0x00000fff
226#define    PAS_IOB_DMA_RXCH_STAT_CNTDEL_S	0
227#define    PAS_IOB_DMA_RXCH_STAT_CNTDEL(x)	(((x) << PAS_IOB_DMA_RXCH_STAT_CNTDEL_S) &\
228						 PAS_IOB_DMA_RXCH_STAT_CNTDEL_M)
229#define PAS_IOB_DMA_TXCH_STAT(i)	(0x1400 + (i)*4)
230#define    PAS_IOB_DMA_TXCH_STAT_INTGEN	0x00001000
231#define    PAS_IOB_DMA_TXCH_STAT_CNTDEL_M	0x00000fff
232#define    PAS_IOB_DMA_TXCH_STAT_CNTDEL_S	0
233#define    PAS_IOB_DMA_TXCH_STAT_CNTDEL(x)	(((x) << PAS_IOB_DMA_TXCH_STAT_CNTDEL_S) &\
234						 PAS_IOB_DMA_TXCH_STAT_CNTDEL_M)
235#define PAS_IOB_DMA_RXCH_RESET(i)	(0x1500 + (i)*4)
236#define    PAS_IOB_DMA_RXCH_RESET_PCNT_M	0xffff0000
237#define    PAS_IOB_DMA_RXCH_RESET_PCNT_S	16
238#define    PAS_IOB_DMA_RXCH_RESET_PCNT(x)	(((x) << PAS_IOB_DMA_RXCH_RESET_PCNT_S) & \
239						 PAS_IOB_DMA_RXCH_RESET_PCNT_M)
240#define    PAS_IOB_DMA_RXCH_RESET_PCNTRST	0x00000020
241#define    PAS_IOB_DMA_RXCH_RESET_DCNTRST	0x00000010
242#define    PAS_IOB_DMA_RXCH_RESET_TINTC		0x00000008
243#define    PAS_IOB_DMA_RXCH_RESET_DINTC		0x00000004
244#define    PAS_IOB_DMA_RXCH_RESET_SINTC		0x00000002
245#define    PAS_IOB_DMA_RXCH_RESET_PINTC		0x00000001
246#define PAS_IOB_DMA_TXCH_RESET(i)	(0x1600 + (i)*4)
247#define    PAS_IOB_DMA_TXCH_RESET_PCNT_M	0xffff0000
248#define    PAS_IOB_DMA_TXCH_RESET_PCNT_S	16
249#define    PAS_IOB_DMA_TXCH_RESET_PCNT(x)	(((x) << PAS_IOB_DMA_TXCH_RESET_PCNT_S) & \
250						 PAS_IOB_DMA_TXCH_RESET_PCNT_M)
251#define    PAS_IOB_DMA_TXCH_RESET_PCNTRST	0x00000020
252#define    PAS_IOB_DMA_TXCH_RESET_DCNTRST	0x00000010
253#define    PAS_IOB_DMA_TXCH_RESET_TINTC		0x00000008
254#define    PAS_IOB_DMA_TXCH_RESET_DINTC		0x00000004
255#define    PAS_IOB_DMA_TXCH_RESET_SINTC		0x00000002
256#define    PAS_IOB_DMA_TXCH_RESET_PINTC		0x00000001
257
258#define PAS_IOB_DMA_COM_TIMEOUTCFG		0x1700
259#define    PAS_IOB_DMA_COM_TIMEOUTCFG_TCNT_M	0x00ffffff
260#define    PAS_IOB_DMA_COM_TIMEOUTCFG_TCNT_S	0
261#define    PAS_IOB_DMA_COM_TIMEOUTCFG_TCNT(x)	(((x) << PAS_IOB_DMA_COM_TIMEOUTCFG_TCNT_S) & \
262						 PAS_IOB_DMA_COM_TIMEOUTCFG_TCNT_M)
263
264/* Transmit descriptor fields */
265#define	XCT_MACTX_T		0x8000000000000000ull
266#define	XCT_MACTX_ST		0x4000000000000000ull
267#define XCT_MACTX_NORES		0x0000000000000000ull
268#define XCT_MACTX_8BRES		0x1000000000000000ull
269#define XCT_MACTX_24BRES	0x2000000000000000ull
270#define XCT_MACTX_40BRES	0x3000000000000000ull
271#define XCT_MACTX_I		0x0800000000000000ull
272#define XCT_MACTX_O		0x0400000000000000ull
273#define XCT_MACTX_E		0x0200000000000000ull
274#define XCT_MACTX_VLAN_M	0x0180000000000000ull
275#define XCT_MACTX_VLAN_NOP	0x0000000000000000ull
276#define XCT_MACTX_VLAN_REMOVE	0x0080000000000000ull
277#define XCT_MACTX_VLAN_INSERT   0x0100000000000000ull
278#define XCT_MACTX_VLAN_REPLACE  0x0180000000000000ull
279#define XCT_MACTX_CRC_M		0x0060000000000000ull
280#define XCT_MACTX_CRC_NOP	0x0000000000000000ull
281#define XCT_MACTX_CRC_INSERT	0x0020000000000000ull
282#define XCT_MACTX_CRC_PAD	0x0040000000000000ull
283#define XCT_MACTX_CRC_REPLACE	0x0060000000000000ull
284#define XCT_MACTX_SS		0x0010000000000000ull
285#define XCT_MACTX_LLEN_M	0x00007fff00000000ull
286#define XCT_MACTX_LLEN_S	32ull
287#define XCT_MACTX_LLEN(x)	((((long)(x)) << XCT_MACTX_LLEN_S) & \
288				 XCT_MACTX_LLEN_M)
289#define XCT_MACTX_IPH_M		0x00000000f8000000ull
290#define XCT_MACTX_IPH_S		27ull
291#define XCT_MACTX_IPH(x)	((((long)(x)) << XCT_MACTX_IPH_S) & \
292				 XCT_MACTX_IPH_M)
293#define XCT_MACTX_IPO_M		0x0000000007c00000ull
294#define XCT_MACTX_IPO_S		22ull
295#define XCT_MACTX_IPO(x)	((((long)(x)) << XCT_MACTX_IPO_S) & \
296				 XCT_MACTX_IPO_M)
297#define XCT_MACTX_CSUM_M	0x0000000000000060ull
298#define XCT_MACTX_CSUM_NOP	0x0000000000000000ull
299#define XCT_MACTX_CSUM_TCP	0x0000000000000040ull
300#define XCT_MACTX_CSUM_UDP	0x0000000000000060ull
301#define XCT_MACTX_V6		0x0000000000000010ull
302#define XCT_MACTX_C		0x0000000000000004ull
303#define XCT_MACTX_AL2		0x0000000000000002ull
304
305#define XCT_PTR_T		0x8000000000000000ull
306#define XCT_PTR_LEN_M		0x7ffff00000000000ull
307#define XCT_PTR_LEN_S		44
308#define XCT_PTR_LEN(x)		((((long)(x)) << XCT_PTR_LEN_S) & \
309				 XCT_PTR_LEN_M)
310#define XCT_PTR_ADDR_M		0x00000fffffffffffull
311#define XCT_PTR_ADDR_S		0
312#define XCT_PTR_ADDR(x)		((((long)(x)) << XCT_PTR_ADDR_S) & \
313				 XCT_PTR_ADDR_M)
314
315/* Function descriptor fields */
316#define	XCT_FUN_T		0x8000000000000000ull
317#define	XCT_FUN_ST		0x4000000000000000ull
318#define XCT_FUN_NORES		0x0000000000000000ull
319#define XCT_FUN_8BRES		0x1000000000000000ull
320#define XCT_FUN_24BRES		0x2000000000000000ull
321#define XCT_FUN_40BRES		0x3000000000000000ull
322#define XCT_FUN_I		0x0800000000000000ull
323#define XCT_FUN_O		0x0400000000000000ull
324#define XCT_FUN_E		0x0200000000000000ull
325#define XCT_FUN_FUN_S		54
326#define XCT_FUN_FUN_M		0x01c0000000000000ull
327#define XCT_FUN_FUN(num)	((((long)(num)) << XCT_FUN_FUN_S) & \
328				XCT_FUN_FUN_M)
329#define XCT_FUN_CRM_NOP		0x0000000000000000ull
330#define XCT_FUN_CRM_SIG		0x0008000000000000ull
331#define XCT_FUN_CRM_ENC		0x0010000000000000ull
332#define XCT_FUN_CRM_DEC		0x0018000000000000ull
333#define XCT_FUN_CRM_SIG_ENC	0x0020000000000000ull
334#define XCT_FUN_CRM_ENC_SIG	0x0028000000000000ull
335#define XCT_FUN_CRM_SIG_DEC	0x0030000000000000ull
336#define XCT_FUN_CRM_DEC_SIG	0x0038000000000000ull
337#define XCT_FUN_LLEN_M		0x0007ffff00000000ull
338#define XCT_FUN_LLEN_S		32ULL
339#define XCT_FUN_LLEN(x)		((((long)(x)) << XCT_FUN_LLEN_S) & \
340				 XCT_FUN_LLEN_M)
341#define XCT_FUN_SHL_M		0x00000000f8000000ull
342#define XCT_FUN_SHL_S		27ull
343#define XCT_FUN_SHL(x)		((((long)(x)) << XCT_FUN_SHL_S) & \
344				 XCT_FUN_SHL_M)
345#define XCT_FUN_CHL_M		0x0000000007c00000ull
346#define XCT_FUN_CHL_S		22ull
347#define XCT_FUN_CHL(x)		((((long)(x)) << XCT_FUN_CHL_S) & \
348				 XCT_FUN_CHL_M)
349#define XCT_FUN_HSZ_M		0x00000000003c0000ull
350#define XCT_FUN_HSZ_S		18ull
351#define XCT_FUN_HSZ(x)		((((long)(x)) << XCT_FUN_HSZ_S) & \
352				 XCT_FUN_HSZ_M)
353#define XCT_FUN_ALG_DES		0x0000000000000000ull
354#define XCT_FUN_ALG_3DES	0x0000000000008000ull
355#define XCT_FUN_ALG_AES		0x0000000000010000ull
356#define XCT_FUN_ALG_ARC		0x0000000000018000ull
357#define XCT_FUN_ALG_KASUMI	0x0000000000020000ull
358#define XCT_FUN_BCM_ECB		0x0000000000000000ull
359#define XCT_FUN_BCM_CBC		0x0000000000001000ull
360#define XCT_FUN_BCM_CFB		0x0000000000002000ull
361#define XCT_FUN_BCM_OFB		0x0000000000003000ull
362#define XCT_FUN_BCM_CNT		0x0000000000003800ull
363#define XCT_FUN_BCM_KAS_F8	0x0000000000002800ull
364#define XCT_FUN_BCM_KAS_F9	0x0000000000001800ull
365#define XCT_FUN_BCP_NO_PAD	0x0000000000000000ull
366#define XCT_FUN_BCP_ZRO		0x0000000000000200ull
367#define XCT_FUN_BCP_PL		0x0000000000000400ull
368#define XCT_FUN_BCP_INCR	0x0000000000000600ull
369#define XCT_FUN_SIG_MD5		(0ull << 4)
370#define XCT_FUN_SIG_SHA1	(2ull << 4)
371#define XCT_FUN_SIG_HMAC_MD5	(8ull << 4)
372#define XCT_FUN_SIG_HMAC_SHA1	(10ull << 4)
373#define XCT_FUN_A		0x0000000000000008ull
374#define XCT_FUN_C		0x0000000000000004ull
375#define XCT_FUN_AL2		0x0000000000000002ull
376#define XCT_FUN_SE		0x0000000000000001ull
377
378#define XCT_FUN_SRC_PTR(len, addr)	(XCT_PTR_LEN(len) | XCT_PTR_ADDR(addr))
379#define XCT_FUN_DST_PTR(len, addr)	(XCT_FUN_SRC_PTR(len, addr) | \
380					0x8000000000000000ull)
381
382#define XCT_CTRL_HDR_FUN_NUM_M		0x01c0000000000000ull
383#define XCT_CTRL_HDR_FUN_NUM_S		54
384#define XCT_CTRL_HDR_LEN_M		0x0007ffff00000000ull
385#define XCT_CTRL_HDR_LEN_S		32
386#define XCT_CTRL_HDR_REG_M		0x00000000000000ffull
387#define XCT_CTRL_HDR_REG_S		0
388
389#define XCT_CTRL_HDR(funcN,len,reg)	(0x9400000000000000ull | \
390			((((long)(funcN)) << XCT_CTRL_HDR_FUN_NUM_S) \
391			& XCT_CTRL_HDR_FUN_NUM_M) | \
392			((((long)(len)) << \
393			XCT_CTRL_HDR_LEN_S) & XCT_CTRL_HDR_LEN_M) | \
394			((((long)(reg)) << \
395			XCT_CTRL_HDR_REG_S) & XCT_CTRL_HDR_REG_M))
396
397/* Function config command options */
398#define	DMA_CALGO_DES			0x00
399#define	DMA_CALGO_3DES			0x01
400#define	DMA_CALGO_AES			0x02
401#define	DMA_CALGO_ARC			0x03
402
403#define DMA_FN_CIV0			0x02
404#define DMA_FN_CIV1			0x03
405#define DMA_FN_HKEY0			0x0a
406
407#define XCT_PTR_ADDR_LEN(ptr)		((ptr) & XCT_PTR_ADDR_M), \
408			(((ptr) & XCT_PTR_LEN_M) >> XCT_PTR_LEN_S)
409
410#endif /* PASEMI_FNU_H */
411