mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-05 07:16:56 +07:00
5432114baf
Allow the user space to send extended cprb messages directly to the PCIXCC / CEX2C cards. This allows the CCA library to construct special crypto requests that use "secure" keys that are stored on the card. Signed-off-by: Ralph Wuerthner <rwuerthn@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
118 lines
3.1 KiB
C
118 lines
3.1 KiB
C
/*
|
|
* 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_ */
|