[mirror_ubuntu-bionic-kernel.git] / drivers / crypto / caam / pdb.h

/*
 * CAAM Protocol Data Block (PDB) definition header file
 *
 * Copyright 2008-2012 Freescale Semiconductor, Inc.
 *
 */

#ifndef CAAM_PDB_H
#define CAAM_PDB_H

/*
 * PDB- IPSec ESP Header Modification Options
 */
#define PDBHMO_ESP_DECAP_SHIFT	12
#define PDBHMO_ESP_ENCAP_SHIFT	4
/*
 * Encap and Decap - Decrement TTL (Hop Limit) - Based on the value of the
 * Options Byte IP version (IPvsn) field:
 * if IPv4, decrement the inner IP header TTL field (byte 8);
 * if IPv6 decrement the inner IP header Hop Limit field (byte 7).
*/
#define PDBHMO_ESP_DECAP_DEC_TTL	(0x02 << PDBHMO_ESP_DECAP_SHIFT)
#define PDBHMO_ESP_ENCAP_DEC_TTL	(0x02 << PDBHMO_ESP_ENCAP_SHIFT)
/*
 * Decap - DiffServ Copy - Copy the IPv4 TOS or IPv6 Traffic Class byte
 * from the outer IP header to the inner IP header.
 */
#define PDBHMO_ESP_DIFFSERV		(0x01 << PDBHMO_ESP_DECAP_SHIFT)
/*
 * Encap- Copy DF bit -if an IPv4 tunnel mode outer IP header is coming from
 * the PDB, copy the DF bit from the inner IP header to the outer IP header.
 */
#define PDBHMO_ESP_DFBIT		(0x04 << PDBHMO_ESP_ENCAP_SHIFT)

/*
 * PDB - IPSec ESP Encap/Decap Options
 */
#define PDBOPTS_ESP_ARSNONE	0x00 /* no antireplay window */
#define PDBOPTS_ESP_ARS32	0x40 /* 32-entry antireplay window */
#define PDBOPTS_ESP_ARS64	0xc0 /* 64-entry antireplay window */
#define PDBOPTS_ESP_IVSRC	0x20 /* IV comes from internal random gen */
#define PDBOPTS_ESP_ESN		0x10 /* extended sequence included */
#define PDBOPTS_ESP_OUTFMT	0x08 /* output only decapsulation (decap) */
#define PDBOPTS_ESP_IPHDRSRC	0x08 /* IP header comes from PDB (encap) */
#define PDBOPTS_ESP_INCIPHDR	0x04 /* Prepend IP header to output frame */
#define PDBOPTS_ESP_IPVSN	0x02 /* process IPv6 header */
#define PDBOPTS_ESP_AOFL	0x04 /* adjust out frame len (decap, SEC>=5.3)*/
#define PDBOPTS_ESP_TUNNEL	0x01 /* tunnel mode next-header byte */
#define PDBOPTS_ESP_IPV6	0x02 /* ip header version is V6 */
#define PDBOPTS_ESP_DIFFSERV	0x40 /* copy TOS/TC from inner iphdr */
#define PDBOPTS_ESP_UPDATE_CSUM 0x80 /* encap-update ip header checksum */
#define PDBOPTS_ESP_VERIFY_CSUM 0x20 /* decap-validate ip header checksum */

/*
 * General IPSec encap/decap PDB definitions
 */
struct ipsec_encap_cbc {
	u32 iv[4];
};

struct ipsec_encap_ctr {
	u32 ctr_nonce;
	u32 ctr_initial;
	u32 iv[2];
};

struct ipsec_encap_ccm {
	u32 salt; /* lower 24 bits */
	u8 b0_flags;
	u8 ctr_flags;
	u16 ctr_initial;
	u32 iv[2];
};

struct ipsec_encap_gcm {
	u32 salt; /* lower 24 bits */
	u32 rsvd1;
	u32 iv[2];
};

struct ipsec_encap_pdb {
	u8 hmo_rsvd;
	u8 ip_nh;
	u8 ip_nh_offset;
	u8 options;
	u32 seq_num_ext_hi;
	u32 seq_num;
	union {
		struct ipsec_encap_cbc cbc;
		struct ipsec_encap_ctr ctr;
		struct ipsec_encap_ccm ccm;
		struct ipsec_encap_gcm gcm;
	};
	u32 spi;
	u16 rsvd1;
	u16 ip_hdr_len;
	u32 ip_hdr[0]; /* optional IP Header content */
};

struct ipsec_decap_cbc {
	u32 rsvd[2];
};

struct ipsec_decap_ctr {
	u32 salt;
	u32 ctr_initial;
};

struct ipsec_decap_ccm {
	u32 salt;
	u8 iv_flags;
	u8 ctr_flags;
	u16 ctr_initial;
};

struct ipsec_decap_gcm {
	u32 salt;
	u32 resvd;
};

struct ipsec_decap_pdb {
	u16 hmo_ip_hdr_len;
	u8 ip_nh_offset;
	u8 options;
	union {
		struct ipsec_decap_cbc cbc;
		struct ipsec_decap_ctr ctr;
		struct ipsec_decap_ccm ccm;
		struct ipsec_decap_gcm gcm;
	};
	u32 seq_num_ext_hi;
	u32 seq_num;
	u32 anti_replay[2];
	u32 end_index[0];
};

/*
 * IPSec ESP Datapath Protocol Override Register (DPOVRD)
 */
struct ipsec_deco_dpovrd {
#define IPSEC_ENCAP_DECO_DPOVRD_USE 0x80
	u8 ovrd_ecn;
	u8 ip_hdr_len;
	u8 nh_offset;
	u8 next_header; /* reserved if decap */
};

/*
 * IEEE 802.11i WiFi Protocol Data Block
 */
#define WIFI_PDBOPTS_FCS	0x01
#define WIFI_PDBOPTS_AR		0x40

struct wifi_encap_pdb {
	u16 mac_hdr_len;
	u8 rsvd;
	u8 options;
	u8 iv_flags;
	u8 pri;
	u16 pn1;
	u32 pn2;
	u16 frm_ctrl_mask;
	u16 seq_ctrl_mask;
	u8 rsvd1[2];
	u8 cnst;
	u8 key_id;
	u8 ctr_flags;
	u8 rsvd2;
	u16 ctr_init;
};

struct wifi_decap_pdb {
	u16 mac_hdr_len;
	u8 rsvd;
	u8 options;
	u8 iv_flags;
	u8 pri;
	u16 pn1;
	u32 pn2;
	u16 frm_ctrl_mask;
	u16 seq_ctrl_mask;
	u8 rsvd1[4];
	u8 ctr_flags;
	u8 rsvd2;
	u16 ctr_init;
};

/*
 * IEEE 802.16 WiMAX Protocol Data Block
 */
#define WIMAX_PDBOPTS_FCS	0x01
#define WIMAX_PDBOPTS_AR	0x40 /* decap only */

struct wimax_encap_pdb {
	u8 rsvd[3];
	u8 options;
	u32 nonce;
	u8 b0_flags;
	u8 ctr_flags;
	u16 ctr_init;
	/* begin DECO writeback region */
	u32 pn;
	/* end DECO writeback region */
};

struct wimax_decap_pdb {
	u8 rsvd[3];
	u8 options;
	u32 nonce;
	u8 iv_flags;
	u8 ctr_flags;
	u16 ctr_init;
	/* begin DECO writeback region */
	u32 pn;
	u8 rsvd1[2];
	u16 antireplay_len;
	u64 antireplay_scorecard;
	/* end DECO writeback region */
};

/*
 * IEEE 801.AE MacSEC Protocol Data Block
 */
#define MACSEC_PDBOPTS_FCS	0x01
#define MACSEC_PDBOPTS_AR	0x40 /* used in decap only */

struct macsec_encap_pdb {
	u16 aad_len;
	u8 rsvd;
	u8 options;
	u64 sci;
	u16 ethertype;
	u8 tci_an;
	u8 rsvd1;
	/* begin DECO writeback region */
	u32 pn;
	/* end DECO writeback region */
};

struct macsec_decap_pdb {
	u16 aad_len;
	u8 rsvd;
	u8 options;
	u64 sci;
	u8 rsvd1[3];
	/* begin DECO writeback region */
	u8 antireplay_len;
	u32 pn;
	u64 antireplay_scorecard;
	/* end DECO writeback region */
};

/*
 * SSL/TLS/DTLS Protocol Data Blocks
 */

#define TLS_PDBOPTS_ARS32	0x40
#define TLS_PDBOPTS_ARS64	0xc0
#define TLS_PDBOPTS_OUTFMT	0x08
#define TLS_PDBOPTS_IV_WRTBK	0x02 /* 1.1/1.2/DTLS only */
#define TLS_PDBOPTS_EXP_RND_IV	0x01 /* 1.1/1.2/DTLS only */

struct tls_block_encap_pdb {
	u8 type;
	u8 version[2];
	u8 options;
	u64 seq_num;
	u32 iv[4];
};

struct tls_stream_encap_pdb {
	u8 type;
	u8 version[2];
	u8 options;
	u64 seq_num;
	u8 i;
	u8 j;
	u8 rsvd1[2];
};

struct dtls_block_encap_pdb {
	u8 type;
	u8 version[2];
	u8 options;
	u16 epoch;
	u16 seq_num[3];
	u32 iv[4];
};

struct tls_block_decap_pdb {
	u8 rsvd[3];
	u8 options;
	u64 seq_num;
	u32 iv[4];
};

struct tls_stream_decap_pdb {
	u8 rsvd[3];
	u8 options;
	u64 seq_num;
	u8 i;
	u8 j;
	u8 rsvd1[2];
};

struct dtls_block_decap_pdb {
	u8 rsvd[3];
	u8 options;
	u16 epoch;
	u16 seq_num[3];
	u32 iv[4];
	u64 antireplay_scorecard;
};

/*
 * SRTP Protocol Data Blocks
 */
#define SRTP_PDBOPTS_MKI	0x08
#define SRTP_PDBOPTS_AR		0x40

struct srtp_encap_pdb {
	u8 x_len;
	u8 mki_len;
	u8 n_tag;
	u8 options;
	u32 cnst0;
	u8 rsvd[2];
	u16 cnst1;
	u16 salt[7];
	u16 cnst2;
	u32 rsvd1;
	u32 roc;
	u32 opt_mki;
};

struct srtp_decap_pdb {
	u8 x_len;
	u8 mki_len;
	u8 n_tag;
	u8 options;
	u32 cnst0;
	u8 rsvd[2];
	u16 cnst1;
	u16 salt[7];
	u16 cnst2;
	u16 rsvd1;
	u16 seq_num;
	u32 roc;
	u64 antireplay_scorecard;
};

/*
 * DSA/ECDSA Protocol Data Blocks
 * Two of these exist: DSA-SIGN, and DSA-VERIFY. They are similar
 * except for the treatment of "w" for verify, "s" for sign,
 * and the placement of "a,b".
 */
#define DSA_PDB_SGF_SHIFT	24
#define DSA_PDB_SGF_MASK	(0xff << DSA_PDB_SGF_SHIFT)
#define DSA_PDB_SGF_Q		(0x80 << DSA_PDB_SGF_SHIFT)
#define DSA_PDB_SGF_R		(0x40 << DSA_PDB_SGF_SHIFT)
#define DSA_PDB_SGF_G		(0x20 << DSA_PDB_SGF_SHIFT)
#define DSA_PDB_SGF_W		(0x10 << DSA_PDB_SGF_SHIFT)
#define DSA_PDB_SGF_S		(0x10 << DSA_PDB_SGF_SHIFT)
#define DSA_PDB_SGF_F		(0x08 << DSA_PDB_SGF_SHIFT)
#define DSA_PDB_SGF_C		(0x04 << DSA_PDB_SGF_SHIFT)
#define DSA_PDB_SGF_D		(0x02 << DSA_PDB_SGF_SHIFT)
#define DSA_PDB_SGF_AB_SIGN	(0x02 << DSA_PDB_SGF_SHIFT)
#define DSA_PDB_SGF_AB_VERIFY	(0x01 << DSA_PDB_SGF_SHIFT)

#define DSA_PDB_L_SHIFT		7
#define DSA_PDB_L_MASK		(0x3ff << DSA_PDB_L_SHIFT)

#define DSA_PDB_N_MASK		0x7f

struct dsa_sign_pdb {
	u32 sgf_ln; /* Use DSA_PDB_ defintions per above */
	u8 *q;
	u8 *r;
	u8 *g;	/* or Gx,y */
	u8 *s;
	u8 *f;
	u8 *c;
	u8 *d;
	u8 *ab; /* ECC only */
	u8 *u;
};

struct dsa_verify_pdb {
	u32 sgf_ln;
	u8 *q;
	u8 *r;
	u8 *g;	/* or Gx,y */
	u8 *w; /* or Wx,y */
	u8 *f;
	u8 *c;
	u8 *d;
	u8 *tmp; /* temporary data block */
	u8 *ab; /* only used if ECC processing */
};

#endif
Commit	Line	Data
a23d80e0 HA	1	/*
	2	* CAAM Protocol Data Block (PDB) definition header file
	3	*
	4	* Copyright 2008-2012 Freescale Semiconductor, Inc.
	5	*
	6	*/
	7
	8	#ifndef CAAM_PDB_H
	9	#define CAAM_PDB_H
	10
	11	/*
	12	* PDB- IPSec ESP Header Modification Options
	13	*/
	14	#define PDBHMO_ESP_DECAP_SHIFT 12
	15	#define PDBHMO_ESP_ENCAP_SHIFT 4
	16	/*
	17	* Encap and Decap - Decrement TTL (Hop Limit) - Based on the value of the
	18	* Options Byte IP version (IPvsn) field:
	19	* if IPv4, decrement the inner IP header TTL field (byte 8);
	20	* if IPv6 decrement the inner IP header Hop Limit field (byte 7).
	21	*/
	22	#define PDBHMO_ESP_DECAP_DEC_TTL (0x02 << PDBHMO_ESP_DECAP_SHIFT)
	23	#define PDBHMO_ESP_ENCAP_DEC_TTL (0x02 << PDBHMO_ESP_ENCAP_SHIFT)
	24	/*
	25	* Decap - DiffServ Copy - Copy the IPv4 TOS or IPv6 Traffic Class byte
	26	* from the outer IP header to the inner IP header.
	27	*/
	28	#define PDBHMO_ESP_DIFFSERV (0x01 << PDBHMO_ESP_DECAP_SHIFT)
	29	/*
	30	* Encap- Copy DF bit -if an IPv4 tunnel mode outer IP header is coming from
	31	* the PDB, copy the DF bit from the inner IP header to the outer IP header.
	32	*/
	33	#define PDBHMO_ESP_DFBIT (0x04 << PDBHMO_ESP_ENCAP_SHIFT)
	34
	35	/*
	36	* PDB - IPSec ESP Encap/Decap Options
	37	*/
	38	#define PDBOPTS_ESP_ARSNONE 0x00 /* no antireplay window */
	39	#define PDBOPTS_ESP_ARS32 0x40 /* 32-entry antireplay window */
	40	#define PDBOPTS_ESP_ARS64 0xc0 /* 64-entry antireplay window */
	41	#define PDBOPTS_ESP_IVSRC 0x20 /* IV comes from internal random gen */
	42	#define PDBOPTS_ESP_ESN 0x10 /* extended sequence included */
	43	#define PDBOPTS_ESP_OUTFMT 0x08 /* output only decapsulation (decap) */
	44	#define PDBOPTS_ESP_IPHDRSRC 0x08 /* IP header comes from PDB (encap) */
	45	#define PDBOPTS_ESP_INCIPHDR 0x04 /* Prepend IP header to output frame */
	46	#define PDBOPTS_ESP_IPVSN 0x02 /* process IPv6 header */
da64e358	47	#define PDBOPTS_ESP_AOFL 0x04 /* adjust out frame len (decap, SEC>=5.3)*/
a23d80e0 HA	48	#define PDBOPTS_ESP_TUNNEL 0x01 /* tunnel mode next-header byte */
	49	#define PDBOPTS_ESP_IPV6 0x02 /* ip header version is V6 */
	50	#define PDBOPTS_ESP_DIFFSERV 0x40 /* copy TOS/TC from inner iphdr */
	51	#define PDBOPTS_ESP_UPDATE_CSUM 0x80 /* encap-update ip header checksum */
	52	#define PDBOPTS_ESP_VERIFY_CSUM 0x20 /* decap-validate ip header checksum */
	53
	54	/*
	55	* General IPSec encap/decap PDB definitions
	56	*/
	57	struct ipsec_encap_cbc {
	58	u32 iv[4];
	59	};
	60
	61	struct ipsec_encap_ctr {
	62	u32 ctr_nonce;
	63	u32 ctr_initial;
	64	u32 iv[2];
	65	};
	66
	67	struct ipsec_encap_ccm {
	68	u32 salt; /* lower 24 bits */
	69	u8 b0_flags;
	70	u8 ctr_flags;
	71	u16 ctr_initial;
	72	u32 iv[2];
	73	};
	74
	75	struct ipsec_encap_gcm {
	76	u32 salt; /* lower 24 bits */
	77	u32 rsvd1;
	78	u32 iv[2];
	79	};
	80
	81	struct ipsec_encap_pdb {
	82	u8 hmo_rsvd;
	83	u8 ip_nh;
	84	u8 ip_nh_offset;
	85	u8 options;
	86	u32 seq_num_ext_hi;
	87	u32 seq_num;
	88	union {
	89	struct ipsec_encap_cbc cbc;
	90	struct ipsec_encap_ctr ctr;
	91	struct ipsec_encap_ccm ccm;
	92	struct ipsec_encap_gcm gcm;
	93	};
	94	u32 spi;
	95	u16 rsvd1;
	96	u16 ip_hdr_len;
	97	u32 ip_hdr[0]; /* optional IP Header content */
	98	};
	99
	100	struct ipsec_decap_cbc {
	101	u32 rsvd[2];
	102	};
	103
	104	struct ipsec_decap_ctr {
	105	u32 salt;
	106	u32 ctr_initial;
	107	};
	108
	109	struct ipsec_decap_ccm {
	110	u32 salt;
	111	u8 iv_flags;
112	u8 ctr_flags;
113	u16 ctr_initial;
114	};
115
116	struct ipsec_decap_gcm {
117	u32 salt;
118	u32 resvd;
119	};
120
121	struct ipsec_decap_pdb {
122	u16 hmo_ip_hdr_len;
123	u8 ip_nh_offset;
124	u8 options;
125	union {
126	struct ipsec_decap_cbc cbc;
127	struct ipsec_decap_ctr ctr;
128	struct ipsec_decap_ccm ccm;
129	struct ipsec_decap_gcm gcm;
130	};
131	u32 seq_num_ext_hi;
132	u32 seq_num;
133	u32 anti_replay[2];
134	u32 end_index[0];
135	};
136
137	/*
138	* IPSec ESP Datapath Protocol Override Register (DPOVRD)
139	*/
140	struct ipsec_deco_dpovrd {
141	#define IPSEC_ENCAP_DECO_DPOVRD_USE 0x80
142	u8 ovrd_ecn;
143	u8 ip_hdr_len;
144	u8 nh_offset;
145	u8 next_header; /* reserved if decap */
146	};
147
148	/*
149	* IEEE 802.11i WiFi Protocol Data Block
150	*/
151	#define WIFI_PDBOPTS_FCS 0x01
152	#define WIFI_PDBOPTS_AR 0x40
153
154	struct wifi_encap_pdb {
155	u16 mac_hdr_len;
156	u8 rsvd;
157	u8 options;
158	u8 iv_flags;
159	u8 pri;
160	u16 pn1;
161	u32 pn2;
162	u16 frm_ctrl_mask;
163	u16 seq_ctrl_mask;
164	u8 rsvd1[2];
165	u8 cnst;
166	u8 key_id;
167	u8 ctr_flags;
168	u8 rsvd2;
169	u16 ctr_init;
170	};
171
172	struct wifi_decap_pdb {
173	u16 mac_hdr_len;
174	u8 rsvd;
175	u8 options;
176	u8 iv_flags;
177	u8 pri;
178	u16 pn1;
179	u32 pn2;
180	u16 frm_ctrl_mask;
181	u16 seq_ctrl_mask;
182	u8 rsvd1[4];
183	u8 ctr_flags;
184	u8 rsvd2;
185	u16 ctr_init;
186	};
187
188	/*
189	* IEEE 802.16 WiMAX Protocol Data Block
190	*/
191	#define WIMAX_PDBOPTS_FCS 0x01
192	#define WIMAX_PDBOPTS_AR 0x40 /* decap only */
193
194	struct wimax_encap_pdb {
195	u8 rsvd[3];
196	u8 options;
197	u32 nonce;
198	u8 b0_flags;
199	u8 ctr_flags;
200	u16 ctr_init;
201	/* begin DECO writeback region */
202	u32 pn;
203	/* end DECO writeback region */
204	};
205
206	struct wimax_decap_pdb {
207	u8 rsvd[3];
208	u8 options;
209	u32 nonce;
210	u8 iv_flags;
211	u8 ctr_flags;
212	u16 ctr_init;
213	/* begin DECO writeback region */
214	u32 pn;
215	u8 rsvd1[2];
216	u16 antireplay_len;
217	u64 antireplay_scorecard;
218	/* end DECO writeback region */
219	};
220
221	/*
222	* IEEE 801.AE MacSEC Protocol Data Block
223	*/
224	#define MACSEC_PDBOPTS_FCS 0x01
225	#define MACSEC_PDBOPTS_AR 0x40 /* used in decap only */
226
227	struct macsec_encap_pdb {
228	u16 aad_len;
229	u8 rsvd;
230	u8 options;
231	u64 sci;
232	u16 ethertype;
233	u8 tci_an;
234	u8 rsvd1;
235	/* begin DECO writeback region */
236	u32 pn;
237	/* end DECO writeback region */
238	};
239
240	struct macsec_decap_pdb {
241	u16 aad_len;
242	u8 rsvd;
243	u8 options;
244	u64 sci;
245	u8 rsvd1[3];
246	/* begin DECO writeback region */
247	u8 antireplay_len;
248	u32 pn;
249	u64 antireplay_scorecard;
250	/* end DECO writeback region */
251	};
252
253	/*
254	* SSL/TLS/DTLS Protocol Data Blocks
255	*/
256
257	#define TLS_PDBOPTS_ARS32 0x40
258	#define TLS_PDBOPTS_ARS64 0xc0
259	#define TLS_PDBOPTS_OUTFMT 0x08
260	#define TLS_PDBOPTS_IV_WRTBK 0x02 /* 1.1/1.2/DTLS only */
261	#define TLS_PDBOPTS_EXP_RND_IV 0x01 /* 1.1/1.2/DTLS only */
262
263	struct tls_block_encap_pdb {
264	u8 type;
265	u8 version[2];
266	u8 options;
267	u64 seq_num;
268	u32 iv[4];
269	};
270
271	struct tls_stream_encap_pdb {
272	u8 type;
273	u8 version[2];
274	u8 options;
275	u64 seq_num;
276	u8 i;
277	u8 j;
278	u8 rsvd1[2];
279	};
280
281	struct dtls_block_encap_pdb {
282	u8 type;
283	u8 version[2];
284	u8 options;
285	u16 epoch;
286	u16 seq_num[3];
287	u32 iv[4];
288	};
289
290	struct tls_block_decap_pdb {
291	u8 rsvd[3];
292	u8 options;
293	u64 seq_num;
294	u32 iv[4];
295	};
296
297	struct tls_stream_decap_pdb {
298	u8 rsvd[3];
299	u8 options;
300	u64 seq_num;
301	u8 i;
302	u8 j;
303	u8 rsvd1[2];
304	};
305
306	struct dtls_block_decap_pdb {
307	u8 rsvd[3];
308	u8 options;
309	u16 epoch;
310	u16 seq_num[3];
311	u32 iv[4];
312	u64 antireplay_scorecard;
313	};
314
315	/*
316	* SRTP Protocol Data Blocks
317	*/
318	#define SRTP_PDBOPTS_MKI 0x08
319	#define SRTP_PDBOPTS_AR 0x40
320
321	struct srtp_encap_pdb {
322	u8 x_len;
323	u8 mki_len;
324	u8 n_tag;
325	u8 options;
326	u32 cnst0;
327	u8 rsvd[2];
328	u16 cnst1;
329	u16 salt[7];
330	u16 cnst2;
331	u32 rsvd1;
332	u32 roc;
333	u32 opt_mki;
334	};
335
336	struct srtp_decap_pdb {
337	u8 x_len;
338	u8 mki_len;
339	u8 n_tag;
340	u8 options;
341	u32 cnst0;
342	u8 rsvd[2];
343	u16 cnst1;
344	u16 salt[7];
345	u16 cnst2;
346	u16 rsvd1;
347	u16 seq_num;
348	u32 roc;
349	u64 antireplay_scorecard;
350	};
351
352	/*
353	* DSA/ECDSA Protocol Data Blocks
354	* Two of these exist: DSA-SIGN, and DSA-VERIFY. They are similar
355	* except for the treatment of "w" for verify, "s" for sign,
356	* and the placement of "a,b".
357	*/
358	#define DSA_PDB_SGF_SHIFT 24
359	#define DSA_PDB_SGF_MASK (0xff << DSA_PDB_SGF_SHIFT)
360	#define DSA_PDB_SGF_Q (0x80 << DSA_PDB_SGF_SHIFT)
361	#define DSA_PDB_SGF_R (0x40 << DSA_PDB_SGF_SHIFT)
362	#define DSA_PDB_SGF_G (0x20 << DSA_PDB_SGF_SHIFT)
363	#define DSA_PDB_SGF_W (0x10 << DSA_PDB_SGF_SHIFT)
364	#define DSA_PDB_SGF_S (0x10 << DSA_PDB_SGF_SHIFT)
365	#define DSA_PDB_SGF_F (0x08 << DSA_PDB_SGF_SHIFT)
366	#define DSA_PDB_SGF_C (0x04 << DSA_PDB_SGF_SHIFT)
367	#define DSA_PDB_SGF_D (0x02 << DSA_PDB_SGF_SHIFT)
368	#define DSA_PDB_SGF_AB_SIGN (0x02 << DSA_PDB_SGF_SHIFT)
369	#define DSA_PDB_SGF_AB_VERIFY (0x01 << DSA_PDB_SGF_SHIFT)
370
371	#define DSA_PDB_L_SHIFT 7
372	#define DSA_PDB_L_MASK (0x3ff << DSA_PDB_L_SHIFT)
373
374	#define DSA_PDB_N_MASK 0x7f
375
376	struct dsa_sign_pdb {
377	u32 sgf_ln; /* Use DSA_PDB_ defintions per above */
378	u8 *q;
379	u8 *r;
380	u8 g; / or Gx,y */
381	u8 *s;
382	u8 *f;
383	u8 *c;
384	u8 *d;
385	u8 ab; / ECC only */
386	u8 *u;
387	};
388
389	struct dsa_verify_pdb {
390	u32 sgf_ln;
391	u8 *q;
392	u8 *r;
393	u8 g; / or Gx,y */
394	u8 w; / or Wx,y */
395	u8 *f;
396	u8 *c;
397	u8 *d;
398	u8 tmp; / temporary data block */
399	u8 ab; / only used if ECC processing */
400	};
401
402	#endif