1a89dd8f0b
Signed-off-by: Felix Beck <felix.beck@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
122 lines
4.0 KiB
C
122 lines
4.0 KiB
C
/*
|
|
* linux/drivers/s390/crypto/zcrypt_api.h
|
|
*
|
|
* zcrypt 2.1.0
|
|
*
|
|
* Copyright (C) 2001, 2006 IBM Corporation
|
|
* Author(s): Robert Burroughs
|
|
* Eric Rossman (edrossma@us.ibm.com)
|
|
* Cornelia Huck <cornelia.huck@de.ibm.com>
|
|
*
|
|
* Hotplug & misc device support: Jochen Roehrig (roehrig@de.ibm.com)
|
|
* Major cleanup & driver split: Martin Schwidefsky <schwidefsky@de.ibm.com>
|
|
* Ralph Wuerthner <rwuerthn@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_API_H_
|
|
#define _ZCRYPT_API_H_
|
|
|
|
#include "ap_bus.h"
|
|
#include <asm/zcrypt.h>
|
|
|
|
/* deprecated status calls */
|
|
#define ICAZ90STATUS _IOR(ZCRYPT_IOCTL_MAGIC, 0x10, struct ica_z90_status)
|
|
#define Z90STAT_PCIXCCCOUNT _IOR(ZCRYPT_IOCTL_MAGIC, 0x43, int)
|
|
|
|
/**
|
|
* This structure is deprecated and the corresponding ioctl() has been
|
|
* replaced with individual ioctl()s for each piece of data!
|
|
*/
|
|
struct ica_z90_status {
|
|
int totalcount;
|
|
int leedslitecount; // PCICA
|
|
int leeds2count; // PCICC
|
|
// int PCIXCCCount; is not in struct for backward compatibility
|
|
int requestqWaitCount;
|
|
int pendingqWaitCount;
|
|
int totalOpenCount;
|
|
int cryptoDomain;
|
|
// status: 0=not there, 1=PCICA, 2=PCICC, 3=PCIXCC_MCL2, 4=PCIXCC_MCL3,
|
|
// 5=CEX2C
|
|
unsigned char status[64];
|
|
// qdepth: # work elements waiting for each device
|
|
unsigned char qdepth[64];
|
|
};
|
|
|
|
/**
|
|
* device type for an actual device is either PCICA, PCICC, PCIXCC_MCL2,
|
|
* PCIXCC_MCL3, CEX2C, or CEX2A
|
|
*
|
|
* NOTE: PCIXCC_MCL3 refers to a PCIXCC with May 2004 version of Licensed
|
|
* Internal Code (LIC) (EC J12220 level 29).
|
|
* PCIXCC_MCL2 refers to any LIC before this level.
|
|
*/
|
|
#define ZCRYPT_PCICA 1
|
|
#define ZCRYPT_PCICC 2
|
|
#define ZCRYPT_PCIXCC_MCL2 3
|
|
#define ZCRYPT_PCIXCC_MCL3 4
|
|
#define ZCRYPT_CEX2C 5
|
|
#define ZCRYPT_CEX2A 6
|
|
|
|
/**
|
|
* Large random numbers are pulled in 4096 byte chunks from the crypto cards
|
|
* and stored in a page. Be carefull when increasing this buffer due to size
|
|
* limitations for AP requests.
|
|
*/
|
|
#define ZCRYPT_RNG_BUFFER_SIZE 4096
|
|
|
|
struct zcrypt_device;
|
|
|
|
struct zcrypt_ops {
|
|
long (*rsa_modexpo)(struct zcrypt_device *, struct ica_rsa_modexpo *);
|
|
long (*rsa_modexpo_crt)(struct zcrypt_device *,
|
|
struct ica_rsa_modexpo_crt *);
|
|
long (*send_cprb)(struct zcrypt_device *, struct ica_xcRB *);
|
|
long (*rng)(struct zcrypt_device *, char *);
|
|
};
|
|
|
|
struct zcrypt_device {
|
|
struct list_head list; /* Device list. */
|
|
spinlock_t lock; /* Per device lock. */
|
|
struct kref refcount; /* device refcounting */
|
|
struct ap_device *ap_dev; /* The "real" ap device. */
|
|
struct zcrypt_ops *ops; /* Crypto operations. */
|
|
int online; /* User online/offline */
|
|
|
|
int user_space_type; /* User space device id. */
|
|
char *type_string; /* User space device name. */
|
|
int min_mod_size; /* Min number of bits. */
|
|
int max_mod_size; /* Max number of bits. */
|
|
int short_crt; /* Card has crt length restriction. */
|
|
int speed_rating; /* Speed of the crypto device. */
|
|
|
|
int request_count; /* # current requests. */
|
|
|
|
struct ap_message reply; /* Per-device reply structure. */
|
|
};
|
|
|
|
struct zcrypt_device *zcrypt_device_alloc(size_t);
|
|
void zcrypt_device_free(struct zcrypt_device *);
|
|
void zcrypt_device_get(struct zcrypt_device *);
|
|
int zcrypt_device_put(struct zcrypt_device *);
|
|
int zcrypt_device_register(struct zcrypt_device *);
|
|
void zcrypt_device_unregister(struct zcrypt_device *);
|
|
int zcrypt_api_init(void);
|
|
void zcrypt_api_exit(void);
|
|
|
|
#endif /* _ZCRYPT_API_H_ */
|