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Diffstat (limited to 'drivers/s390/crypto/zcrypt_pcica.h')
| -rw-r--r-- | drivers/s390/crypto/zcrypt_pcica.h | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/drivers/s390/crypto/zcrypt_pcica.h b/drivers/s390/crypto/zcrypt_pcica.h new file mode 100644 index 00000000000..a08a4f8c33c --- /dev/null +++ b/drivers/s390/crypto/zcrypt_pcica.h @@ -0,0 +1,117 @@ +/* + * linux/drivers/s390/crypto/zcrypt_pcica.h + * + * zcrypt 2.0.0 + * + * 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_ */ |