This commit was manufactured by cvs2svn to create branch 'vserver'.

[linux-2.6.git] / drivers / s390 / crypto / zcrypt_cex2a.h

diff --git a/drivers/s390/crypto/zcrypt_cex2a.h b/drivers/s390/crypto/zcrypt_cex2a.h
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+/*
+ *  linux/drivers/s390/crypto/zcrypt_cex2a.h
+ *
+ *  zcrypt 2.1.0
+ *
+ *  Copyright (C)  2001, 2006 IBM Corporation
+ *  Author(s): Robert Burroughs
+ *            Eric Rossman (edrossma@us.ibm.com)
+ *
+ *  Hotplug & misc device support: Jochen Roehrig (roehrig@de.ibm.com)
+ *  Major cleanup & driver split: Martin Schwidefsky <schwidefsky@de.ibm.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef _ZCRYPT_CEX2A_H_
+#define _ZCRYPT_CEX2A_H_
+
+/**
+ * The type 50 message family is associated with a CEX2A card.
+ *
+ * The four members of the family are described below.
+ *
+ * Note that all unsigned char arrays are right-justified and left-padded
+ * with zeroes.
+ *
+ * Note that all reserved fields must be zeroes.
+ */
+struct type50_hdr {
+       unsigned char   reserved1;
+       unsigned char   msg_type_code;  /* 0x50 */
+       unsigned short  msg_len;
+       unsigned char   reserved2;
+       unsigned char   ignored;
+       unsigned short  reserved3;
+} __attribute__((packed));
+
+#define TYPE50_TYPE_CODE       0x50
+
+#define TYPE50_MEB1_FMT                0x0001
+#define TYPE50_MEB2_FMT                0x0002
+#define TYPE50_CRB1_FMT                0x0011
+#define TYPE50_CRB2_FMT                0x0012
+
+/* Mod-Exp, with a small modulus */
+struct type50_meb1_msg {
+       struct type50_hdr header;
+       unsigned short  keyblock_type;  /* 0x0001 */
+       unsigned char   reserved[6];
+       unsigned char   exponent[128];
+       unsigned char   modulus[128];
+       unsigned char   message[128];
+} __attribute__((packed));
+
+/* Mod-Exp, with a large modulus */
+struct type50_meb2_msg {
+       struct type50_hdr header;
+       unsigned short  keyblock_type;  /* 0x0002 */
+       unsigned char   reserved[6];
+       unsigned char   exponent[256];
+       unsigned char   modulus[256];
+       unsigned char   message[256];
+} __attribute__((packed));
+
+/* CRT, with a small modulus */
+struct type50_crb1_msg {
+       struct type50_hdr header;
+       unsigned short  keyblock_type;  /* 0x0011 */
+       unsigned char   reserved[6];
+       unsigned char   p[64];
+       unsigned char   q[64];
+       unsigned char   dp[64];
+       unsigned char   dq[64];
+       unsigned char   u[64];
+       unsigned char   message[128];
+} __attribute__((packed));
+
+/* CRT, with a large modulus */
+struct type50_crb2_msg {
+       struct type50_hdr header;
+       unsigned short  keyblock_type;  /* 0x0012 */
+       unsigned char   reserved[6];
+       unsigned char   p[128];
+       unsigned char   q[128];
+       unsigned char   dp[128];
+       unsigned char   dq[128];
+       unsigned char   u[128];
+       unsigned char   message[256];
+} __attribute__((packed));
+
+/**
+ * The type 80 response family is associated with a CEX2A card.
+ *
+ * Note that all unsigned char arrays are right-justified and left-padded
+ * with zeroes.
+ *
+ * Note that all reserved fields must be zeroes.
+ */
+
+#define TYPE80_RSP_CODE 0x80
+
+struct type80_hdr {
+       unsigned char   reserved1;
+       unsigned char   type;           /* 0x80 */
+       unsigned short  len;
+       unsigned char   code;           /* 0x00 */
+       unsigned char   reserved2[3];
+       unsigned char   reserved3[8];
+} __attribute__((packed));
+
+int zcrypt_cex2a_init(void);
+void zcrypt_cex2a_exit(void);
+
+#endif /* _ZCRYPT_CEX2A_H_ */