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

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

diff --git a/drivers/s390/crypto/zcrypt_pcica.h b/drivers/s390/crypto/zcrypt_pcica.h
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+++ b/drivers/s390/crypto/zcrypt_pcica.h
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+/*
+ *  linux/drivers/s390/crypto/zcrypt_pcica.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_PCICA_H_
+#define _ZCRYPT_PCICA_H_
+
+/**
+ * The type 4 message family is associated with a PCICA 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 type4_hdr {
+       unsigned char  reserved1;
+       unsigned char  msg_type_code;   /* 0x04 */
+       unsigned short msg_len;
+       unsigned char  request_code;    /* 0x40 */
+       unsigned char  msg_fmt;
+       unsigned short reserved2;
+} __attribute__((packed));
+
+#define TYPE4_TYPE_CODE 0x04
+#define TYPE4_REQU_CODE 0x40
+
+#define TYPE4_SME_FMT 0x00
+#define TYPE4_LME_FMT 0x10
+#define TYPE4_SCR_FMT 0x40
+#define TYPE4_LCR_FMT 0x50
+
+/* Mod-Exp, with a small modulus */
+struct type4_sme {
+       struct type4_hdr header;
+       unsigned char    message[128];
+       unsigned char    exponent[128];
+       unsigned char    modulus[128];
+} __attribute__((packed));
+
+/* Mod-Exp, with a large modulus */
+struct type4_lme {
+       struct type4_hdr header;
+       unsigned char    message[256];
+       unsigned char    exponent[256];
+       unsigned char    modulus[256];
+} __attribute__((packed));
+
+/* CRT, with a small modulus */
+struct type4_scr {
+       struct type4_hdr header;
+       unsigned char    message[128];
+       unsigned char    dp[72];
+       unsigned char    dq[64];
+       unsigned char    p[72];
+       unsigned char    q[64];
+       unsigned char    u[72];
+} __attribute__((packed));
+
+/* CRT, with a large modulus */
+struct type4_lcr {
+       struct type4_hdr header;
+       unsigned char    message[256];
+       unsigned char    dp[136];
+       unsigned char    dq[128];
+       unsigned char    p[136];
+       unsigned char    q[128];
+       unsigned char    u[136];
+} __attribute__((packed));
+
+/**
+ * The type 84 response family is associated with a PCICA card.
+ *
+ * Note that all unsigned char arrays are right-justified and left-padded
+ * with zeroes.
+ *
+ * Note that all reserved fields must be zeroes.
+ */
+
+struct type84_hdr {
+       unsigned char  reserved1;
+       unsigned char  code;
+       unsigned short len;
+       unsigned char  reserved2[4];
+} __attribute__((packed));
+
+#define TYPE84_RSP_CODE 0x84
+
+int zcrypt_pcica_init(void);
+void zcrypt_pcica_exit(void);
+
+#endif /* _ZCRYPT_PCICA_H_ */