8e89b6be76
New definitions are added for CEX3 device types. They will be set in the according probe functions. CEX3 device types will be handled in the same modules as CEX2 device types. In the first step they are the same as CEX2 types, but they can be adjusted for further characteristics of CEX3 easily. Signed-off-by: Felix Beck <felix.beck@de.ibm.com> Signed-off-by: Ralph Wuerthner <ralph.wuerthner@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
124 lines
4 KiB
C
124 lines
4 KiB
C
/*
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* linux/drivers/s390/crypto/zcrypt_api.h
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*
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* zcrypt 2.1.0
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*
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* Copyright (C) 2001, 2006 IBM Corporation
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* Author(s): Robert Burroughs
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* Eric Rossman (edrossma@us.ibm.com)
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* Cornelia Huck <cornelia.huck@de.ibm.com>
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*
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* Hotplug & misc device support: Jochen Roehrig (roehrig@de.ibm.com)
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* Major cleanup & driver split: Martin Schwidefsky <schwidefsky@de.ibm.com>
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* Ralph Wuerthner <rwuerthn@de.ibm.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef _ZCRYPT_API_H_
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#define _ZCRYPT_API_H_
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#include "ap_bus.h"
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#include <asm/zcrypt.h>
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/* deprecated status calls */
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#define ICAZ90STATUS _IOR(ZCRYPT_IOCTL_MAGIC, 0x10, struct ica_z90_status)
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#define Z90STAT_PCIXCCCOUNT _IOR(ZCRYPT_IOCTL_MAGIC, 0x43, int)
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/**
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* This structure is deprecated and the corresponding ioctl() has been
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* replaced with individual ioctl()s for each piece of data!
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*/
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struct ica_z90_status {
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int totalcount;
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int leedslitecount; // PCICA
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int leeds2count; // PCICC
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// int PCIXCCCount; is not in struct for backward compatibility
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int requestqWaitCount;
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int pendingqWaitCount;
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int totalOpenCount;
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int cryptoDomain;
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// status: 0=not there, 1=PCICA, 2=PCICC, 3=PCIXCC_MCL2, 4=PCIXCC_MCL3,
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// 5=CEX2C
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unsigned char status[64];
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// qdepth: # work elements waiting for each device
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unsigned char qdepth[64];
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};
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/**
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* device type for an actual device is either PCICA, PCICC, PCIXCC_MCL2,
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* PCIXCC_MCL3, CEX2C, or CEX2A
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*
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* NOTE: PCIXCC_MCL3 refers to a PCIXCC with May 2004 version of Licensed
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* Internal Code (LIC) (EC J12220 level 29).
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* PCIXCC_MCL2 refers to any LIC before this level.
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*/
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#define ZCRYPT_PCICA 1
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#define ZCRYPT_PCICC 2
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#define ZCRYPT_PCIXCC_MCL2 3
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#define ZCRYPT_PCIXCC_MCL3 4
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#define ZCRYPT_CEX2C 5
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#define ZCRYPT_CEX2A 6
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#define ZCRYPT_CEX3C 7
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#define ZCRYPT_CEX3A 8
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/**
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* Large random numbers are pulled in 4096 byte chunks from the crypto cards
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* and stored in a page. Be carefull when increasing this buffer due to size
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* limitations for AP requests.
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*/
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#define ZCRYPT_RNG_BUFFER_SIZE 4096
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struct zcrypt_device;
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struct zcrypt_ops {
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long (*rsa_modexpo)(struct zcrypt_device *, struct ica_rsa_modexpo *);
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long (*rsa_modexpo_crt)(struct zcrypt_device *,
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struct ica_rsa_modexpo_crt *);
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long (*send_cprb)(struct zcrypt_device *, struct ica_xcRB *);
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long (*rng)(struct zcrypt_device *, char *);
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};
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struct zcrypt_device {
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struct list_head list; /* Device list. */
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spinlock_t lock; /* Per device lock. */
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struct kref refcount; /* device refcounting */
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struct ap_device *ap_dev; /* The "real" ap device. */
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struct zcrypt_ops *ops; /* Crypto operations. */
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int online; /* User online/offline */
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int user_space_type; /* User space device id. */
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char *type_string; /* User space device name. */
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int min_mod_size; /* Min number of bits. */
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int max_mod_size; /* Max number of bits. */
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int short_crt; /* Card has crt length restriction. */
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int speed_rating; /* Speed of the crypto device. */
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int request_count; /* # current requests. */
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struct ap_message reply; /* Per-device reply structure. */
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};
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struct zcrypt_device *zcrypt_device_alloc(size_t);
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void zcrypt_device_free(struct zcrypt_device *);
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void zcrypt_device_get(struct zcrypt_device *);
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int zcrypt_device_put(struct zcrypt_device *);
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int zcrypt_device_register(struct zcrypt_device *);
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void zcrypt_device_unregister(struct zcrypt_device *);
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int zcrypt_api_init(void);
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void zcrypt_api_exit(void);
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#endif /* _ZCRYPT_API_H_ */
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