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add idl4k kernel firmware version 1.13.0.105

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This commit is contained in:
Jaroslav Kysela
2015-03-26 17:22:37 +01:00
parent 5194d2792e
commit e9070cdc77
31064 changed files with 12769984 additions and 0 deletions
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17
kernel/drivers/s390/crypto/Makefile Normal file
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#
# S/390 crypto devices
#
ifdef CONFIG_ZCRYPT_MONOLITHIC
z90crypt-objs := zcrypt_mono.o ap_bus.o zcrypt_api.o \
zcrypt_pcica.o zcrypt_pcicc.o zcrypt_pcixcc.o zcrypt_cex2a.o
obj-$(CONFIG_ZCRYPT) += z90crypt.o
else
ap-objs := ap_bus.o
obj-$(CONFIG_ZCRYPT) += ap.o zcrypt_api.o zcrypt_pcicc.o zcrypt_pcixcc.o
obj-$(CONFIG_ZCRYPT) += zcrypt_pcica.o zcrypt_cex2a.o
endif

1733
kernel/drivers/s390/crypto/ap_bus.c Normal file
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185
kernel/drivers/s390/crypto/ap_bus.h Normal file
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/*
* linux/drivers/s390/crypto/ap_bus.h
*
* Copyright (C) 2006 IBM Corporation
* Author(s): Cornelia Huck <cornelia.huck@de.ibm.com>
* Martin Schwidefsky <schwidefsky@de.ibm.com>
* Ralph Wuerthner <rwuerthn@de.ibm.com>
* Felix Beck <felix.beck@de.ibm.com>
*
* Adjunct processor bus header file.
*
* 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 _AP_BUS_H_
#define _AP_BUS_H_
#include <linux/device.h>
#include <linux/mod_devicetable.h>
#include <linux/types.h>
#define AP_DEVICES 64 /* Number of AP devices. */
#define AP_DOMAINS 16 /* Number of AP domains. */
#define AP_MAX_RESET 90 /* Maximum number of resets. */
#define AP_RESET_TIMEOUT (HZ/2) /* Time in ticks for reset timeouts. */
#define AP_CONFIG_TIME 30 /* Time in seconds between AP bus rescans. */
#define AP_POLL_TIME 1 /* Time in ticks between receive polls. */
extern int ap_domain_index;
/**
* The ap_qid_t identifier of an ap queue. It contains a
* 6 bit device index and a 4 bit queue index (domain).
*/
typedef unsigned int ap_qid_t;
#define AP_MKQID(_device,_queue) (((_device) & 63) << 8 | ((_queue) & 15))
#define AP_QID_DEVICE(_qid) (((_qid) >> 8) & 63)
#define AP_QID_QUEUE(_qid) ((_qid) & 15)
/**
* structy ap_queue_status - Holds the AP queue status.
* @queue_empty: Shows if queue is empty
* @replies_waiting: Waiting replies
* @queue_full: Is 1 if the queue is full
* @pad: A 4 bit pad
* @int_enabled: Shows if interrupts are enabled for the AP
* @response_conde: Holds the 8 bit response code
* @pad2: A 16 bit pad
*
* The ap queue status word is returned by all three AP functions
* (PQAP, NQAP and DQAP). There's a set of flags in the first
* byte, followed by a 1 byte response code.
*/
struct ap_queue_status {
unsigned int queue_empty : 1;
unsigned int replies_waiting : 1;
unsigned int queue_full : 1;
unsigned int pad1 : 4;
unsigned int int_enabled : 1;
unsigned int response_code : 8;
unsigned int pad2 : 16;
};
#define AP_RESPONSE_NORMAL 0x00
#define AP_RESPONSE_Q_NOT_AVAIL 0x01
#define AP_RESPONSE_RESET_IN_PROGRESS 0x02
#define AP_RESPONSE_DECONFIGURED 0x03
#define AP_RESPONSE_CHECKSTOPPED 0x04
#define AP_RESPONSE_BUSY 0x05
#define AP_RESPONSE_INVALID_ADDRESS 0x06
#define AP_RESPONSE_OTHERWISE_CHANGED 0x07
#define AP_RESPONSE_Q_FULL 0x10
#define AP_RESPONSE_NO_PENDING_REPLY 0x10
#define AP_RESPONSE_INDEX_TOO_BIG 0x11
#define AP_RESPONSE_NO_FIRST_PART 0x13
#define AP_RESPONSE_MESSAGE_TOO_BIG 0x15
/*
* Known device types
*/
#define AP_DEVICE_TYPE_PCICC 3
#define AP_DEVICE_TYPE_PCICA 4
#define AP_DEVICE_TYPE_PCIXCC 5
#define AP_DEVICE_TYPE_CEX2A 6
#define AP_DEVICE_TYPE_CEX2C 7
#define AP_DEVICE_TYPE_CEX2A2 8
#define AP_DEVICE_TYPE_CEX2C2 9
/*
* AP reset flag states
*/
#define AP_RESET_IGNORE 0 /* request timeout will be ignored */
#define AP_RESET_ARMED 1 /* request timeout timer is active */
#define AP_RESET_DO 2 /* AP reset required */
struct ap_device;
struct ap_message;
struct ap_driver {
struct device_driver driver;
struct ap_device_id *ids;
int (*probe)(struct ap_device *);
void (*remove)(struct ap_device *);
/* receive is called from tasklet context */
void (*receive)(struct ap_device *, struct ap_message *,
struct ap_message *);
int request_timeout; /* request timeout in jiffies */
};
#define to_ap_drv(x) container_of((x), struct ap_driver, driver)
int ap_driver_register(struct ap_driver *, struct module *, char *);
void ap_driver_unregister(struct ap_driver *);
struct ap_device {
struct device device;
struct ap_driver *drv; /* Pointer to AP device driver. */
spinlock_t lock; /* Per device lock. */
struct list_head list; /* private list of all AP devices. */
ap_qid_t qid; /* AP queue id. */
int queue_depth; /* AP queue depth.*/
int device_type; /* AP device type. */
int unregistered; /* marks AP device as unregistered */
struct timer_list timeout; /* Timer for request timeouts. */
int reset; /* Reset required after req. timeout. */
int queue_count; /* # messages currently on AP queue. */
struct list_head pendingq; /* List of message sent to AP queue. */
int pendingq_count; /* # requests on pendingq list. */
struct list_head requestq; /* List of message yet to be sent. */
int requestq_count; /* # requests on requestq list. */
int total_request_count; /* # requests ever for this AP device. */
struct ap_message *reply; /* Per device reply message. */
void *private; /* ap driver private pointer. */
};
#define to_ap_dev(x) container_of((x), struct ap_device, device)
struct ap_message {
struct list_head list; /* Request queueing. */
unsigned long long psmid; /* Message id. */
void *message; /* Pointer to message buffer. */
size_t length; /* Message length. */
void *private; /* ap driver private pointer. */
};
#define AP_DEVICE(dt) \
.dev_type=(dt), \
.match_flags=AP_DEVICE_ID_MATCH_DEVICE_TYPE,
/*
* Note: don't use ap_send/ap_recv after using ap_queue_message
* for the first time. Otherwise the ap message queue will get
* confused.
*/
int ap_send(ap_qid_t, unsigned long long, void *, size_t);
int ap_recv(ap_qid_t, unsigned long long *, void *, size_t);
void ap_queue_message(struct ap_device *ap_dev, struct ap_message *ap_msg);
void ap_cancel_message(struct ap_device *ap_dev, struct ap_message *ap_msg);
void ap_flush_queue(struct ap_device *ap_dev);
int ap_module_init(void);
void ap_module_exit(void);
#endif /* _AP_BUS_H_ */

1226
kernel/drivers/s390/crypto/zcrypt_api.c Normal file
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121
kernel/drivers/s390/crypto/zcrypt_api.h Normal file
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/*
* 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_ */

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kernel/drivers/s390/crypto/zcrypt_cca_key.h Normal file
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/*
* linux/drivers/s390/crypto/zcrypt_cca_key.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_CCA_KEY_H_
#define _ZCRYPT_CCA_KEY_H_
struct T6_keyBlock_hdr {
unsigned short blen;
unsigned short ulen;
unsigned short flags;
};
/**
* mapping for the cca private ME key token.
* Three parts of interest here: the header, the private section and
* the public section.
*
* mapping for the cca key token header
*/
struct cca_token_hdr {
unsigned char token_identifier;
unsigned char version;
unsigned short token_length;
unsigned char reserved[4];
} __attribute__((packed));
#define CCA_TKN_HDR_ID_EXT 0x1E
/**
* mapping for the cca private ME section
*/
struct cca_private_ext_ME_sec {
unsigned char section_identifier;
unsigned char version;
unsigned short section_length;
unsigned char private_key_hash[20];
unsigned char reserved1[4];
unsigned char key_format;
unsigned char reserved2;
unsigned char key_name_hash[20];
unsigned char key_use_flags[4];
unsigned char reserved3[6];
unsigned char reserved4[24];
unsigned char confounder[24];
unsigned char exponent[128];
unsigned char modulus[128];
} __attribute__((packed));
#define CCA_PVT_USAGE_ALL 0x80
/**
* mapping for the cca public section
* In a private key, the modulus doesn't appear in the public
* section. So, an arbitrary public exponent of 0x010001 will be
* used, for a section length of 0x0F always.
*/
struct cca_public_sec {
unsigned char section_identifier;
unsigned char version;
unsigned short section_length;
unsigned char reserved[2];
unsigned short exponent_len;
unsigned short modulus_bit_len;
unsigned short modulus_byte_len; /* In a private key, this is 0 */
} __attribute__((packed));
/**
* mapping for the cca private CRT key 'token'
* The first three parts (the only parts considered in this release)
* are: the header, the private section and the public section.
* The header and public section are the same as for the
* struct cca_private_ext_ME
*
* Following the structure are the quantities p, q, dp, dq, u, pad,
* and modulus, in that order, where pad_len is the modulo 8
* complement of the residue modulo 8 of the sum of
* (p_len + q_len + dp_len + dq_len + u_len).
*/
struct cca_pvt_ext_CRT_sec {
unsigned char section_identifier;
unsigned char version;
unsigned short section_length;
unsigned char private_key_hash[20];
unsigned char reserved1[4];
unsigned char key_format;
unsigned char reserved2;
unsigned char key_name_hash[20];
unsigned char key_use_flags[4];
unsigned short p_len;
unsigned short q_len;
unsigned short dp_len;
unsigned short dq_len;
unsigned short u_len;
unsigned short mod_len;
unsigned char reserved3[4];
unsigned short pad_len;
unsigned char reserved4[52];
unsigned char confounder[8];
} __attribute__((packed));
#define CCA_PVT_EXT_CRT_SEC_ID_PVT 0x08
#define CCA_PVT_EXT_CRT_SEC_FMT_CL 0x40
/**
* Set up private key fields of a type6 MEX message.
* Note that all numerics in the key token are big-endian,
* while the entries in the key block header are little-endian.
*
* @mex: pointer to user input data
* @p: pointer to memory area for the key
*
* Returns the size of the key area or -EFAULT
*/
static inline int zcrypt_type6_mex_key_de(struct ica_rsa_modexpo *mex,
void *p, int big_endian)
{
static struct cca_token_hdr static_pvt_me_hdr = {
.token_identifier = 0x1E,
.token_length = 0x0183,
};
static struct cca_private_ext_ME_sec static_pvt_me_sec = {
.section_identifier = 0x02,
.section_length = 0x016C,
.key_use_flags = {0x80,0x00,0x00,0x00},
};
static struct cca_public_sec static_pub_me_sec = {
.section_identifier = 0x04,
.section_length = 0x000F,
.exponent_len = 0x0003,
};
static char pk_exponent[3] = { 0x01, 0x00, 0x01 };
struct {
struct T6_keyBlock_hdr t6_hdr;
struct cca_token_hdr pvtMeHdr;
struct cca_private_ext_ME_sec pvtMeSec;
struct cca_public_sec pubMeSec;
char exponent[3];
} __attribute__((packed)) *key = p;
unsigned char *temp;
memset(key, 0, sizeof(*key));
if (big_endian) {
key->t6_hdr.blen = cpu_to_be16(0x189);
key->t6_hdr.ulen = cpu_to_be16(0x189 - 2);
} else {
key->t6_hdr.blen = cpu_to_le16(0x189);
key->t6_hdr.ulen = cpu_to_le16(0x189 - 2);
}
key->pvtMeHdr = static_pvt_me_hdr;
key->pvtMeSec = static_pvt_me_sec;
key->pubMeSec = static_pub_me_sec;
/*
* In a private key, the modulus doesn't appear in the public
* section. So, an arbitrary public exponent of 0x010001 will be
* used.
*/
memcpy(key->exponent, pk_exponent, 3);
/* key parameter block */
temp = key->pvtMeSec.exponent +
sizeof(key->pvtMeSec.exponent) - mex->inputdatalength;
if (copy_from_user(temp, mex->b_key, mex->inputdatalength))
return -EFAULT;
/* modulus */
temp = key->pvtMeSec.modulus +
sizeof(key->pvtMeSec.modulus) - mex->inputdatalength;
if (copy_from_user(temp, mex->n_modulus, mex->inputdatalength))
return -EFAULT;
key->pubMeSec.modulus_bit_len = 8 * mex->inputdatalength;
return sizeof(*key);
}
/**
* Set up private key fields of a type6 MEX message. The _pad variant
* strips leading zeroes from the b_key.
* Note that all numerics in the key token are big-endian,
* while the entries in the key block header are little-endian.
*
* @mex: pointer to user input data
* @p: pointer to memory area for the key
*
* Returns the size of the key area or -EFAULT
*/
static inline int zcrypt_type6_mex_key_en(struct ica_rsa_modexpo *mex,
void *p, int big_endian)
{
static struct cca_token_hdr static_pub_hdr = {
.token_identifier = 0x1E,
};
static struct cca_public_sec static_pub_sec = {
.section_identifier = 0x04,
};
struct {
struct T6_keyBlock_hdr t6_hdr;
struct cca_token_hdr pubHdr;
struct cca_public_sec pubSec;
char exponent[0];
} __attribute__((packed)) *key = p;
unsigned char *temp;
int i;
memset(key, 0, sizeof(*key));
key->pubHdr = static_pub_hdr;
key->pubSec = static_pub_sec;
/* key parameter block */
temp = key->exponent;
if (copy_from_user(temp, mex->b_key, mex->inputdatalength))
return -EFAULT;
/* Strip leading zeroes from b_key. */
for (i = 0; i < mex->inputdatalength; i++)
if (temp[i])
break;
if (i >= mex->inputdatalength)
return -EINVAL;
memmove(temp, temp + i, mex->inputdatalength - i);
temp += mex->inputdatalength - i;
/* modulus */
if (copy_from_user(temp, mex->n_modulus, mex->inputdatalength))
return -EFAULT;
key->pubSec.modulus_bit_len = 8 * mex->inputdatalength;
key->pubSec.modulus_byte_len = mex->inputdatalength;
key->pubSec.exponent_len = mex->inputdatalength - i;
key->pubSec.section_length = sizeof(key->pubSec) +
2*mex->inputdatalength - i;
key->pubHdr.token_length =
key->pubSec.section_length + sizeof(key->pubHdr);
if (big_endian) {
key->t6_hdr.ulen = cpu_to_be16(key->pubHdr.token_length + 4);
key->t6_hdr.blen = cpu_to_be16(key->pubHdr.token_length + 6);
} else {
key->t6_hdr.ulen = cpu_to_le16(key->pubHdr.token_length + 4);
key->t6_hdr.blen = cpu_to_le16(key->pubHdr.token_length + 6);
}
return sizeof(*key) + 2*mex->inputdatalength - i;
}
/**
* Set up private key fields of a type6 CRT message.
* Note that all numerics in the key token are big-endian,
* while the entries in the key block header are little-endian.
*
* @mex: pointer to user input data
* @p: pointer to memory area for the key
*
* Returns the size of the key area or -EFAULT
*/
static inline int zcrypt_type6_crt_key(struct ica_rsa_modexpo_crt *crt,
void *p, int big_endian)
{
static struct cca_public_sec static_cca_pub_sec = {
.section_identifier = 4,
.section_length = 0x000f,
.exponent_len = 0x0003,
};
static char pk_exponent[3] = { 0x01, 0x00, 0x01 };
struct {
struct T6_keyBlock_hdr t6_hdr;
struct cca_token_hdr token;
struct cca_pvt_ext_CRT_sec pvt;
char key_parts[0];
} __attribute__((packed)) *key = p;
struct cca_public_sec *pub;
int short_len, long_len, pad_len, key_len, size;
memset(key, 0, sizeof(*key));
short_len = crt->inputdatalength / 2;
long_len = short_len + 8;
pad_len = -(3*long_len + 2*short_len) & 7;
key_len = 3*long_len + 2*short_len + pad_len + crt->inputdatalength;
size = sizeof(*key) + key_len + sizeof(*pub) + 3;
/* parameter block.key block */
if (big_endian) {
key->t6_hdr.blen = cpu_to_be16(size);
key->t6_hdr.ulen = cpu_to_be16(size - 2);
} else {
key->t6_hdr.blen = cpu_to_le16(size);
key->t6_hdr.ulen = cpu_to_le16(size - 2);
}
/* key token header */
key->token.token_identifier = CCA_TKN_HDR_ID_EXT;
key->token.token_length = size - 6;
/* private section */
key->pvt.section_identifier = CCA_PVT_EXT_CRT_SEC_ID_PVT;
key->pvt.section_length = sizeof(key->pvt) + key_len;
key->pvt.key_format = CCA_PVT_EXT_CRT_SEC_FMT_CL;
key->pvt.key_use_flags[0] = CCA_PVT_USAGE_ALL;
key->pvt.p_len = key->pvt.dp_len = key->pvt.u_len = long_len;
key->pvt.q_len = key->pvt.dq_len = short_len;
key->pvt.mod_len = crt->inputdatalength;
key->pvt.pad_len = pad_len;
/* key parts */
if (copy_from_user(key->key_parts, crt->np_prime, long_len) ||
copy_from_user(key->key_parts + long_len,
crt->nq_prime, short_len) ||
copy_from_user(key->key_parts + long_len + short_len,
crt->bp_key, long_len) ||
copy_from_user(key->key_parts + 2*long_len + short_len,
crt->bq_key, short_len) ||
copy_from_user(key->key_parts + 2*long_len + 2*short_len,
crt->u_mult_inv, long_len))
return -EFAULT;
memset(key->key_parts + 3*long_len + 2*short_len + pad_len,
0xff, crt->inputdatalength);
pub = (struct cca_public_sec *)(key->key_parts + key_len);
*pub = static_cca_pub_sec;
pub->modulus_bit_len = 8 * crt->inputdatalength;
/*
* In a private key, the modulus doesn't appear in the public
* section. So, an arbitrary public exponent of 0x010001 will be
* used.
*/
memcpy((char *) (pub + 1), pk_exponent, 3);
return size;
}
#endif /* _ZCRYPT_CCA_KEY_H_ */

428
kernel/drivers/s390/crypto/zcrypt_cex2a.c Normal file
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/*
* linux/drivers/s390/crypto/zcrypt_cex2a.c
*
* 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>
* 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.
*/
#include <linux/module.h>
#include <linux/init.h>
#include <linux/err.h>
#include <asm/atomic.h>
#include <asm/uaccess.h>
#include "ap_bus.h"
#include "zcrypt_api.h"
#include "zcrypt_error.h"
#include "zcrypt_cex2a.h"
#define CEX2A_MIN_MOD_SIZE 1 /* 8 bits */
#define CEX2A_MAX_MOD_SIZE 256 /* 2048 bits */
#define CEX2A_SPEED_RATING 970
#define CEX2A_MAX_MESSAGE_SIZE 0x390 /* sizeof(struct type50_crb2_msg) */
#define CEX2A_MAX_RESPONSE_SIZE 0x110 /* max outputdatalength + type80_hdr */
#define CEX2A_CLEANUP_TIME (15*HZ)
static struct ap_device_id zcrypt_cex2a_ids[] = {
{ AP_DEVICE(AP_DEVICE_TYPE_CEX2A) },
{ AP_DEVICE(AP_DEVICE_TYPE_CEX2A2) },
{ /* end of list */ },
};
#ifndef CONFIG_ZCRYPT_MONOLITHIC
MODULE_DEVICE_TABLE(ap, zcrypt_cex2a_ids);
MODULE_AUTHOR("IBM Corporation");
MODULE_DESCRIPTION("CEX2A Cryptographic Coprocessor device driver, "
"Copyright 2001, 2006 IBM Corporation");
MODULE_LICENSE("GPL");
#endif
static int zcrypt_cex2a_probe(struct ap_device *ap_dev);
static void zcrypt_cex2a_remove(struct ap_device *ap_dev);
static void zcrypt_cex2a_receive(struct ap_device *, struct ap_message *,
struct ap_message *);
static struct ap_driver zcrypt_cex2a_driver = {
.probe = zcrypt_cex2a_probe,
.remove = zcrypt_cex2a_remove,
.receive = zcrypt_cex2a_receive,
.ids = zcrypt_cex2a_ids,
.request_timeout = CEX2A_CLEANUP_TIME,
};
/**
* Convert a ICAMEX message to a type50 MEX message.
*
* @zdev: crypto device pointer
* @zreq: crypto request pointer
* @mex: pointer to user input data
*
* Returns 0 on success or -EFAULT.
*/
static int ICAMEX_msg_to_type50MEX_msg(struct zcrypt_device *zdev,
struct ap_message *ap_msg,
struct ica_rsa_modexpo *mex)
{
unsigned char *mod, *exp, *inp;
int mod_len;
mod_len = mex->inputdatalength;
if (mod_len <= 128) {
struct type50_meb1_msg *meb1 = ap_msg->message;
memset(meb1, 0, sizeof(*meb1));
ap_msg->length = sizeof(*meb1);
meb1->header.msg_type_code = TYPE50_TYPE_CODE;
meb1->header.msg_len = sizeof(*meb1);
meb1->keyblock_type = TYPE50_MEB1_FMT;
mod = meb1->modulus + sizeof(meb1->modulus) - mod_len;
exp = meb1->exponent + sizeof(meb1->exponent) - mod_len;
inp = meb1->message + sizeof(meb1->message) - mod_len;
} else {
struct type50_meb2_msg *meb2 = ap_msg->message;
memset(meb2, 0, sizeof(*meb2));
ap_msg->length = sizeof(*meb2);
meb2->header.msg_type_code = TYPE50_TYPE_CODE;
meb2->header.msg_len = sizeof(*meb2);
meb2->keyblock_type = TYPE50_MEB2_FMT;
mod = meb2->modulus + sizeof(meb2->modulus) - mod_len;
exp = meb2->exponent + sizeof(meb2->exponent) - mod_len;
inp = meb2->message + sizeof(meb2->message) - mod_len;
}
if (copy_from_user(mod, mex->n_modulus, mod_len) ||
copy_from_user(exp, mex->b_key, mod_len) ||
copy_from_user(inp, mex->inputdata, mod_len))
return -EFAULT;
return 0;
}
/**
* Convert a ICACRT message to a type50 CRT message.
*
* @zdev: crypto device pointer
* @zreq: crypto request pointer
* @crt: pointer to user input data
*
* Returns 0 on success or -EFAULT.
*/
static int ICACRT_msg_to_type50CRT_msg(struct zcrypt_device *zdev,
struct ap_message *ap_msg,
struct ica_rsa_modexpo_crt *crt)
{
int mod_len, short_len, long_len, long_offset;
unsigned char *p, *q, *dp, *dq, *u, *inp;
mod_len = crt->inputdatalength;
short_len = mod_len / 2;
long_len = mod_len / 2 + 8;
/*
* CEX2A cannot handle p, dp, or U > 128 bytes.
* If we have one of these, we need to do extra checking.
*/
if (long_len > 128) {
/*
* zcrypt_rsa_crt already checked for the leading
* zeroes of np_prime, bp_key and u_mult_inc.
*/
long_offset = long_len - 128;
long_len = 128;
} else
long_offset = 0;
/*
* Instead of doing extra work for p, dp, U > 64 bytes, we'll just use
* the larger message structure.
*/
if (long_len <= 64) {
struct type50_crb1_msg *crb1 = ap_msg->message;
memset(crb1, 0, sizeof(*crb1));
ap_msg->length = sizeof(*crb1);
crb1->header.msg_type_code = TYPE50_TYPE_CODE;
crb1->header.msg_len = sizeof(*crb1);
crb1->keyblock_type = TYPE50_CRB1_FMT;
p = crb1->p + sizeof(crb1->p) - long_len;
q = crb1->q + sizeof(crb1->q) - short_len;
dp = crb1->dp + sizeof(crb1->dp) - long_len;
dq = crb1->dq + sizeof(crb1->dq) - short_len;
u = crb1->u + sizeof(crb1->u) - long_len;
inp = crb1->message + sizeof(crb1->message) - mod_len;
} else {
struct type50_crb2_msg *crb2 = ap_msg->message;
memset(crb2, 0, sizeof(*crb2));
ap_msg->length = sizeof(*crb2);
crb2->header.msg_type_code = TYPE50_TYPE_CODE;
crb2->header.msg_len = sizeof(*crb2);
crb2->keyblock_type = TYPE50_CRB2_FMT;
p = crb2->p + sizeof(crb2->p) - long_len;
q = crb2->q + sizeof(crb2->q) - short_len;
dp = crb2->dp + sizeof(crb2->dp) - long_len;
dq = crb2->dq + sizeof(crb2->dq) - short_len;
u = crb2->u + sizeof(crb2->u) - long_len;
inp = crb2->message + sizeof(crb2->message) - mod_len;
}
if (copy_from_user(p, crt->np_prime + long_offset, long_len) ||
copy_from_user(q, crt->nq_prime, short_len) ||
copy_from_user(dp, crt->bp_key + long_offset, long_len) ||
copy_from_user(dq, crt->bq_key, short_len) ||
copy_from_user(u, crt->u_mult_inv + long_offset, long_len) ||
copy_from_user(inp, crt->inputdata, mod_len))
return -EFAULT;
return 0;
}
/**
* Copy results from a type 80 reply message back to user space.
*
* @zdev: crypto device pointer
* @reply: reply AP message.
* @data: pointer to user output data
* @length: size of user output data
*
* Returns 0 on success or -EFAULT.
*/
static int convert_type80(struct zcrypt_device *zdev,
struct ap_message *reply,
char __user *outputdata,
unsigned int outputdatalength)
{
struct type80_hdr *t80h = reply->message;
unsigned char *data;
if (t80h->len < sizeof(*t80h) + outputdatalength) {
/* The result is too short, the CEX2A card may not do that.. */
zdev->online = 0;
return -EAGAIN; /* repeat the request on a different device. */
}
BUG_ON(t80h->len > CEX2A_MAX_RESPONSE_SIZE);
data = reply->message + t80h->len - outputdatalength;
if (copy_to_user(outputdata, data, outputdatalength))
return -EFAULT;
return 0;
}
static int convert_response(struct zcrypt_device *zdev,
struct ap_message *reply,
char __user *outputdata,
unsigned int outputdatalength)
{
/* Response type byte is the second byte in the response. */
switch (((unsigned char *) reply->message)[1]) {
case TYPE82_RSP_CODE:
case TYPE88_RSP_CODE:
return convert_error(zdev, reply);
case TYPE80_RSP_CODE:
return convert_type80(zdev, reply,
outputdata, outputdatalength);
default: /* Unknown response type, this should NEVER EVER happen */
zdev->online = 0;
return -EAGAIN; /* repeat the request on a different device. */
}
}
/**
* This function is called from the AP bus code after a crypto request
* "msg" has finished with the reply message "reply".
* It is called from tasklet context.
* @ap_dev: pointer to the AP device
* @msg: pointer to the AP message
* @reply: pointer to the AP reply message
*/
static void zcrypt_cex2a_receive(struct ap_device *ap_dev,
struct ap_message *msg,
struct ap_message *reply)
{
static struct error_hdr error_reply = {
.type = TYPE82_RSP_CODE,
.reply_code = REP82_ERROR_MACHINE_FAILURE,
};
struct type80_hdr *t80h;
int length;
/* Copy the reply message to the request message buffer. */
if (IS_ERR(reply)) {
memcpy(msg->message, &error_reply, sizeof(error_reply));
goto out;
}
t80h = reply->message;
if (t80h->type == TYPE80_RSP_CODE) {
length = min(CEX2A_MAX_RESPONSE_SIZE, (int) t80h->len);
memcpy(msg->message, reply->message, length);
} else
memcpy(msg->message, reply->message, sizeof error_reply);
out:
complete((struct completion *) msg->private);
}
static atomic_t zcrypt_step = ATOMIC_INIT(0);
/**
* The request distributor calls this function if it picked the CEX2A
* device to handle a modexpo request.
* @zdev: pointer to zcrypt_device structure that identifies the
* CEX2A device to the request distributor
* @mex: pointer to the modexpo request buffer
*/
static long zcrypt_cex2a_modexpo(struct zcrypt_device *zdev,
struct ica_rsa_modexpo *mex)
{
struct ap_message ap_msg;
struct completion work;
int rc;
ap_msg.message = kmalloc(CEX2A_MAX_MESSAGE_SIZE, GFP_KERNEL);
if (!ap_msg.message)
return -ENOMEM;
ap_msg.psmid = (((unsigned long long) current->pid) << 32) +
atomic_inc_return(&zcrypt_step);
ap_msg.private = &work;
rc = ICAMEX_msg_to_type50MEX_msg(zdev, &ap_msg, mex);
if (rc)
goto out_free;
init_completion(&work);
ap_queue_message(zdev->ap_dev, &ap_msg);
rc = wait_for_completion_interruptible(&work);
if (rc == 0)
rc = convert_response(zdev, &ap_msg, mex->outputdata,
mex->outputdatalength);
else
/* Signal pending. */
ap_cancel_message(zdev->ap_dev, &ap_msg);
out_free:
kfree(ap_msg.message);
return rc;
}
/**
* The request distributor calls this function if it picked the CEX2A
* device to handle a modexpo_crt request.
* @zdev: pointer to zcrypt_device structure that identifies the
* CEX2A device to the request distributor
* @crt: pointer to the modexpoc_crt request buffer
*/
static long zcrypt_cex2a_modexpo_crt(struct zcrypt_device *zdev,
struct ica_rsa_modexpo_crt *crt)
{
struct ap_message ap_msg;
struct completion work;
int rc;
ap_msg.message = kmalloc(CEX2A_MAX_MESSAGE_SIZE, GFP_KERNEL);
if (!ap_msg.message)
return -ENOMEM;
ap_msg.psmid = (((unsigned long long) current->pid) << 32) +
atomic_inc_return(&zcrypt_step);
ap_msg.private = &work;
rc = ICACRT_msg_to_type50CRT_msg(zdev, &ap_msg, crt);
if (rc)
goto out_free;
init_completion(&work);
ap_queue_message(zdev->ap_dev, &ap_msg);
rc = wait_for_completion_interruptible(&work);
if (rc == 0)
rc = convert_response(zdev, &ap_msg, crt->outputdata,
crt->outputdatalength);
else
/* Signal pending. */
ap_cancel_message(zdev->ap_dev, &ap_msg);
out_free:
kfree(ap_msg.message);
return rc;
}
/**
* The crypto operations for a CEX2A card.
*/
static struct zcrypt_ops zcrypt_cex2a_ops = {
.rsa_modexpo = zcrypt_cex2a_modexpo,
.rsa_modexpo_crt = zcrypt_cex2a_modexpo_crt,
};
/**
* Probe function for CEX2A cards. It always accepts the AP device
* since the bus_match already checked the hardware type.
* @ap_dev: pointer to the AP device.
*/
static int zcrypt_cex2a_probe(struct ap_device *ap_dev)
{
struct zcrypt_device *zdev;
int rc;
zdev = zcrypt_device_alloc(CEX2A_MAX_RESPONSE_SIZE);
if (!zdev)
return -ENOMEM;
zdev->ap_dev = ap_dev;
zdev->ops = &zcrypt_cex2a_ops;
zdev->online = 1;
zdev->user_space_type = ZCRYPT_CEX2A;
zdev->type_string = "CEX2A";
zdev->min_mod_size = CEX2A_MIN_MOD_SIZE;
zdev->max_mod_size = CEX2A_MAX_MOD_SIZE;
zdev->short_crt = 1;
zdev->speed_rating = CEX2A_SPEED_RATING;
ap_dev->reply = &zdev->reply;
ap_dev->private = zdev;
rc = zcrypt_device_register(zdev);
if (rc)
goto out_free;
return 0;
out_free:
ap_dev->private = NULL;
zcrypt_device_free(zdev);
return rc;
}
/**
* This is called to remove the extended CEX2A driver information
* if an AP device is removed.
*/
static void zcrypt_cex2a_remove(struct ap_device *ap_dev)
{
struct zcrypt_device *zdev = ap_dev->private;
zcrypt_device_unregister(zdev);
}
int __init zcrypt_cex2a_init(void)
{
return ap_driver_register(&zcrypt_cex2a_driver, THIS_MODULE, "cex2a");
}
void __exit zcrypt_cex2a_exit(void)
{
ap_driver_unregister(&zcrypt_cex2a_driver);
}
#ifndef CONFIG_ZCRYPT_MONOLITHIC
module_init(zcrypt_cex2a_init);
module_exit(zcrypt_cex2a_exit);
#endif

126
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/*
* linux/drivers/s390/crypto/zcrypt_cex2a.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_CEX2A_H_
#define _ZCRYPT_CEX2A_H_
/**
* The type 50 message family is associated with a CEX2A 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 type50_hdr {
unsigned char reserved1;
unsigned char msg_type_code; /* 0x50 */
unsigned short msg_len;
unsigned char reserved2;
unsigned char ignored;
unsigned short reserved3;
} __attribute__((packed));
#define TYPE50_TYPE_CODE 0x50
#define TYPE50_MEB1_FMT 0x0001
#define TYPE50_MEB2_FMT 0x0002
#define TYPE50_CRB1_FMT 0x0011
#define TYPE50_CRB2_FMT 0x0012
/* Mod-Exp, with a small modulus */
struct type50_meb1_msg {
struct type50_hdr header;
unsigned short keyblock_type; /* 0x0001 */
unsigned char reserved[6];
unsigned char exponent[128];
unsigned char modulus[128];
unsigned char message[128];
} __attribute__((packed));
/* Mod-Exp, with a large modulus */
struct type50_meb2_msg {
struct type50_hdr header;
unsigned short keyblock_type; /* 0x0002 */
unsigned char reserved[6];
unsigned char exponent[256];
unsigned char modulus[256];
unsigned char message[256];
} __attribute__((packed));
/* CRT, with a small modulus */
struct type50_crb1_msg {
struct type50_hdr header;
unsigned short keyblock_type; /* 0x0011 */
unsigned char reserved[6];
unsigned char p[64];
unsigned char q[64];
unsigned char dp[64];
unsigned char dq[64];
unsigned char u[64];
unsigned char message[128];
} __attribute__((packed));
/* CRT, with a large modulus */
struct type50_crb2_msg {
struct type50_hdr header;
unsigned short keyblock_type; /* 0x0012 */
unsigned char reserved[6];
unsigned char p[128];
unsigned char q[128];
unsigned char dp[128];
unsigned char dq[128];
unsigned char u[128];
unsigned char message[256];
} __attribute__((packed));
/**
* The type 80 response family is associated with a CEX2A card.
*
* Note that all unsigned char arrays are right-justified and left-padded
* with zeroes.
*
* Note that all reserved fields must be zeroes.
*/
#define TYPE80_RSP_CODE 0x80
struct type80_hdr {
unsigned char reserved1;
unsigned char type; /* 0x80 */
unsigned short len;
unsigned char code; /* 0x00 */
unsigned char reserved2[3];
unsigned char reserved3[8];
} __attribute__((packed));
int zcrypt_cex2a_init(void);
void zcrypt_cex2a_exit(void);
#endif /* _ZCRYPT_CEX2A_H_ */

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/*
* linux/drivers/s390/crypto/zcrypt_error.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_ERROR_H_
#define _ZCRYPT_ERROR_H_
#include "zcrypt_api.h"
/**
* Reply Messages
*
* Error reply messages are of two types:
* 82: Error (see below)
* 88: Error (see below)
* Both type 82 and type 88 have the same structure in the header.
*
* Request reply messages are of three known types:
* 80: Reply from a Type 50 Request (see CEX2A-RELATED STRUCTS)
* 84: Reply from a Type 4 Request (see PCICA-RELATED STRUCTS)
* 86: Reply from a Type 6 Request (see PCICC/PCIXCC/CEX2C-RELATED STRUCTS)
*
*/
struct error_hdr {
unsigned char reserved1; /* 0x00 */
unsigned char type; /* 0x82 or 0x88 */
unsigned char reserved2[2]; /* 0x0000 */
unsigned char reply_code; /* reply code */
unsigned char reserved3[3]; /* 0x000000 */
};
#define TYPE82_RSP_CODE 0x82
#define TYPE88_RSP_CODE 0x88
#define REP82_ERROR_MACHINE_FAILURE 0x10
#define REP82_ERROR_PREEMPT_FAILURE 0x12
#define REP82_ERROR_CHECKPT_FAILURE 0x14
#define REP82_ERROR_MESSAGE_TYPE 0x20
#define REP82_ERROR_INVALID_COMM_CD 0x21 /* Type 84 */
#define REP82_ERROR_INVALID_MSG_LEN 0x23
#define REP82_ERROR_RESERVD_FIELD 0x24 /* was 0x50 */
#define REP82_ERROR_FORMAT_FIELD 0x29
#define REP82_ERROR_INVALID_COMMAND 0x30
#define REP82_ERROR_MALFORMED_MSG 0x40
#define REP82_ERROR_RESERVED_FIELDO 0x50 /* old value */
#define REP82_ERROR_WORD_ALIGNMENT 0x60
#define REP82_ERROR_MESSAGE_LENGTH 0x80
#define REP82_ERROR_OPERAND_INVALID 0x82
#define REP82_ERROR_OPERAND_SIZE 0x84
#define REP82_ERROR_EVEN_MOD_IN_OPND 0x85
#define REP82_ERROR_RESERVED_FIELD 0x88
#define REP82_ERROR_TRANSPORT_FAIL 0x90
#define REP82_ERROR_PACKET_TRUNCATED 0xA0
#define REP82_ERROR_ZERO_BUFFER_LEN 0xB0
#define REP88_ERROR_MODULE_FAILURE 0x10
#define REP88_ERROR_MESSAGE_TYPE 0x20
#define REP88_ERROR_MESSAGE_MALFORMD 0x22
#define REP88_ERROR_MESSAGE_LENGTH 0x23
#define REP88_ERROR_RESERVED_FIELD 0x24
#define REP88_ERROR_KEY_TYPE 0x34
#define REP88_ERROR_INVALID_KEY 0x82 /* CEX2A */
#define REP88_ERROR_OPERAND 0x84 /* CEX2A */
#define REP88_ERROR_OPERAND_EVEN_MOD 0x85 /* CEX2A */
static inline int convert_error(struct zcrypt_device *zdev,
struct ap_message *reply)
{
struct error_hdr *ehdr = reply->message;
switch (ehdr->reply_code) {
case REP82_ERROR_OPERAND_INVALID:
case REP82_ERROR_OPERAND_SIZE:
case REP82_ERROR_EVEN_MOD_IN_OPND:
case REP88_ERROR_MESSAGE_MALFORMD:
// REP88_ERROR_INVALID_KEY // '82' CEX2A
// REP88_ERROR_OPERAND // '84' CEX2A
// REP88_ERROR_OPERAND_EVEN_MOD // '85' CEX2A
/* Invalid input data. */
return -EINVAL;
case REP82_ERROR_MESSAGE_TYPE:
// REP88_ERROR_MESSAGE_TYPE // '20' CEX2A
/*
* To sent a message of the wrong type is a bug in the
* device driver. Warn about it, disable the device
* and then repeat the request.
*/
WARN_ON(1);
zdev->online = 0;
return -EAGAIN;
case REP82_ERROR_TRANSPORT_FAIL:
case REP82_ERROR_MACHINE_FAILURE:
// REP88_ERROR_MODULE_FAILURE // '10' CEX2A
/* If a card fails disable it and repeat the request. */
zdev->online = 0;
return -EAGAIN;
default:
zdev->online = 0;
return -EAGAIN; /* repeat the request on a different device. */
}
}
#endif /* _ZCRYPT_ERROR_H_ */

100
kernel/drivers/s390/crypto/zcrypt_mono.c Normal file
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/*
* linux/drivers/s390/crypto/zcrypt_mono.c
*
* 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.
*/
#include <linux/module.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/miscdevice.h>
#include <linux/fs.h>
#include <linux/proc_fs.h>
#include <linux/compat.h>
#include <asm/atomic.h>
#include <asm/uaccess.h>
#include "ap_bus.h"
#include "zcrypt_api.h"
#include "zcrypt_pcica.h"
#include "zcrypt_pcicc.h"
#include "zcrypt_pcixcc.h"
#include "zcrypt_cex2a.h"
/**
* The module initialization code.
*/
static int __init zcrypt_init(void)
{
int rc;
rc = ap_module_init();
if (rc)
goto out;
rc = zcrypt_api_init();
if (rc)
goto out_ap;
rc = zcrypt_pcica_init();
if (rc)
goto out_api;
rc = zcrypt_pcicc_init();
if (rc)
goto out_pcica;
rc = zcrypt_pcixcc_init();
if (rc)
goto out_pcicc;
rc = zcrypt_cex2a_init();
if (rc)
goto out_pcixcc;
return 0;
out_pcixcc:
zcrypt_pcixcc_exit();
out_pcicc:
zcrypt_pcicc_exit();
out_pcica:
zcrypt_pcica_exit();
out_api:
zcrypt_api_exit();
out_ap:
ap_module_exit();
out:
return rc;
}
/**
* The module termination code.
*/
static void __exit zcrypt_exit(void)
{
zcrypt_cex2a_exit();
zcrypt_pcixcc_exit();
zcrypt_pcicc_exit();
zcrypt_pcica_exit();
zcrypt_api_exit();
ap_module_exit();
}
module_init(zcrypt_init);
module_exit(zcrypt_exit);

410
kernel/drivers/s390/crypto/zcrypt_pcica.c Normal file
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@@ -0,0 +1,410 @@
/*
* linux/drivers/s390/crypto/zcrypt_pcica.c
*
* 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>
* 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.
*/
#include <linux/module.h>
#include <linux/init.h>
#include <linux/err.h>
#include <asm/atomic.h>
#include <asm/uaccess.h>
#include "ap_bus.h"
#include "zcrypt_api.h"
#include "zcrypt_error.h"
#include "zcrypt_pcica.h"
#define PCICA_MIN_MOD_SIZE 1 /* 8 bits */
#define PCICA_MAX_MOD_SIZE 256 /* 2048 bits */
#define PCICA_SPEED_RATING 2800
#define PCICA_MAX_MESSAGE_SIZE 0x3a0 /* sizeof(struct type4_lcr) */
#define PCICA_MAX_RESPONSE_SIZE 0x110 /* max outputdatalength + type80_hdr */
#define PCICA_CLEANUP_TIME (15*HZ)
static struct ap_device_id zcrypt_pcica_ids[] = {
{ AP_DEVICE(AP_DEVICE_TYPE_PCICA) },
{ /* end of list */ },
};
#ifndef CONFIG_ZCRYPT_MONOLITHIC
MODULE_DEVICE_TABLE(ap, zcrypt_pcica_ids);
MODULE_AUTHOR("IBM Corporation");
MODULE_DESCRIPTION("PCICA Cryptographic Coprocessor device driver, "
"Copyright 2001, 2006 IBM Corporation");
MODULE_LICENSE("GPL");
#endif
static int zcrypt_pcica_probe(struct ap_device *ap_dev);
static void zcrypt_pcica_remove(struct ap_device *ap_dev);
static void zcrypt_pcica_receive(struct ap_device *, struct ap_message *,
struct ap_message *);
static struct ap_driver zcrypt_pcica_driver = {
.probe = zcrypt_pcica_probe,
.remove = zcrypt_pcica_remove,
.receive = zcrypt_pcica_receive,
.ids = zcrypt_pcica_ids,
.request_timeout = PCICA_CLEANUP_TIME,
};
/**
* Convert a ICAMEX message to a type4 MEX message.
*
* @zdev: crypto device pointer
* @zreq: crypto request pointer
* @mex: pointer to user input data
*
* Returns 0 on success or -EFAULT.
*/
static int ICAMEX_msg_to_type4MEX_msg(struct zcrypt_device *zdev,
struct ap_message *ap_msg,
struct ica_rsa_modexpo *mex)
{
unsigned char *modulus, *exponent, *message;
int mod_len;
mod_len = mex->inputdatalength;
if (mod_len <= 128) {
struct type4_sme *sme = ap_msg->message;
memset(sme, 0, sizeof(*sme));
ap_msg->length = sizeof(*sme);
sme->header.msg_fmt = TYPE4_SME_FMT;
sme->header.msg_len = sizeof(*sme);
sme->header.msg_type_code = TYPE4_TYPE_CODE;
sme->header.request_code = TYPE4_REQU_CODE;
modulus = sme->modulus + sizeof(sme->modulus) - mod_len;
exponent = sme->exponent + sizeof(sme->exponent) - mod_len;
message = sme->message + sizeof(sme->message) - mod_len;
} else {
struct type4_lme *lme = ap_msg->message;
memset(lme, 0, sizeof(*lme));
ap_msg->length = sizeof(*lme);
lme->header.msg_fmt = TYPE4_LME_FMT;
lme->header.msg_len = sizeof(*lme);
lme->header.msg_type_code = TYPE4_TYPE_CODE;
lme->header.request_code = TYPE4_REQU_CODE;
modulus = lme->modulus + sizeof(lme->modulus) - mod_len;
exponent = lme->exponent + sizeof(lme->exponent) - mod_len;
message = lme->message + sizeof(lme->message) - mod_len;
}
if (copy_from_user(modulus, mex->n_modulus, mod_len) ||
copy_from_user(exponent, mex->b_key, mod_len) ||
copy_from_user(message, mex->inputdata, mod_len))
return -EFAULT;
return 0;
}
/**
* Convert a ICACRT message to a type4 CRT message.
*
* @zdev: crypto device pointer
* @zreq: crypto request pointer
* @crt: pointer to user input data
*
* Returns 0 on success or -EFAULT.
*/
static int ICACRT_msg_to_type4CRT_msg(struct zcrypt_device *zdev,
struct ap_message *ap_msg,
struct ica_rsa_modexpo_crt *crt)
{
unsigned char *p, *q, *dp, *dq, *u, *inp;
int mod_len, short_len, long_len;
mod_len = crt->inputdatalength;
short_len = mod_len / 2;
long_len = mod_len / 2 + 8;
if (mod_len <= 128) {
struct type4_scr *scr = ap_msg->message;
memset(scr, 0, sizeof(*scr));
ap_msg->length = sizeof(*scr);
scr->header.msg_type_code = TYPE4_TYPE_CODE;
scr->header.request_code = TYPE4_REQU_CODE;
scr->header.msg_fmt = TYPE4_SCR_FMT;
scr->header.msg_len = sizeof(*scr);
p = scr->p + sizeof(scr->p) - long_len;
q = scr->q + sizeof(scr->q) - short_len;
dp = scr->dp + sizeof(scr->dp) - long_len;
dq = scr->dq + sizeof(scr->dq) - short_len;
u = scr->u + sizeof(scr->u) - long_len;
inp = scr->message + sizeof(scr->message) - mod_len;
} else {
struct type4_lcr *lcr = ap_msg->message;
memset(lcr, 0, sizeof(*lcr));
ap_msg->length = sizeof(*lcr);
lcr->header.msg_type_code = TYPE4_TYPE_CODE;
lcr->header.request_code = TYPE4_REQU_CODE;
lcr->header.msg_fmt = TYPE4_LCR_FMT;
lcr->header.msg_len = sizeof(*lcr);
p = lcr->p + sizeof(lcr->p) - long_len;
q = lcr->q + sizeof(lcr->q) - short_len;
dp = lcr->dp + sizeof(lcr->dp) - long_len;
dq = lcr->dq + sizeof(lcr->dq) - short_len;
u = lcr->u + sizeof(lcr->u) - long_len;
inp = lcr->message + sizeof(lcr->message) - mod_len;
}
if (copy_from_user(p, crt->np_prime, long_len) ||
copy_from_user(q, crt->nq_prime, short_len) ||
copy_from_user(dp, crt->bp_key, long_len) ||
copy_from_user(dq, crt->bq_key, short_len) ||
copy_from_user(u, crt->u_mult_inv, long_len) ||
copy_from_user(inp, crt->inputdata, mod_len))
return -EFAULT;
return 0;
}
/**
* Copy results from a type 84 reply message back to user space.
*
* @zdev: crypto device pointer
* @reply: reply AP message.
* @data: pointer to user output data
* @length: size of user output data
*
* Returns 0 on success or -EFAULT.
*/
static int convert_type84(struct zcrypt_device *zdev,
struct ap_message *reply,
char __user *outputdata,
unsigned int outputdatalength)
{
struct type84_hdr *t84h = reply->message;
char *data;
if (t84h->len < sizeof(*t84h) + outputdatalength) {
/* The result is too short, the PCICA card may not do that.. */
zdev->online = 0;
return -EAGAIN; /* repeat the request on a different device. */
}
BUG_ON(t84h->len > PCICA_MAX_RESPONSE_SIZE);
data = reply->message + t84h->len - outputdatalength;
if (copy_to_user(outputdata, data, outputdatalength))
return -EFAULT;
return 0;
}
static int convert_response(struct zcrypt_device *zdev,
struct ap_message *reply,
char __user *outputdata,
unsigned int outputdatalength)
{
/* Response type byte is the second byte in the response. */
switch (((unsigned char *) reply->message)[1]) {
case TYPE82_RSP_CODE:
case TYPE88_RSP_CODE:
return convert_error(zdev, reply);
case TYPE84_RSP_CODE:
return convert_type84(zdev, reply,
outputdata, outputdatalength);
default: /* Unknown response type, this should NEVER EVER happen */
zdev->online = 0;
return -EAGAIN; /* repeat the request on a different device. */
}
}
/**
* This function is called from the AP bus code after a crypto request
* "msg" has finished with the reply message "reply".
* It is called from tasklet context.
* @ap_dev: pointer to the AP device
* @msg: pointer to the AP message
* @reply: pointer to the AP reply message
*/
static void zcrypt_pcica_receive(struct ap_device *ap_dev,
struct ap_message *msg,
struct ap_message *reply)
{
static struct error_hdr error_reply = {
.type = TYPE82_RSP_CODE,
.reply_code = REP82_ERROR_MACHINE_FAILURE,
};
struct type84_hdr *t84h;
int length;
/* Copy the reply message to the request message buffer. */
if (IS_ERR(reply)) {
memcpy(msg->message, &error_reply, sizeof(error_reply));
goto out;
}
t84h = reply->message;
if (t84h->code == TYPE84_RSP_CODE) {
length = min(PCICA_MAX_RESPONSE_SIZE, (int) t84h->len);
memcpy(msg->message, reply->message, length);
} else
memcpy(msg->message, reply->message, sizeof error_reply);
out:
complete((struct completion *) msg->private);
}
static atomic_t zcrypt_step = ATOMIC_INIT(0);
/**
* The request distributor calls this function if it picked the PCICA
* device to handle a modexpo request.
* @zdev: pointer to zcrypt_device structure that identifies the
* PCICA device to the request distributor
* @mex: pointer to the modexpo request buffer
*/
static long zcrypt_pcica_modexpo(struct zcrypt_device *zdev,
struct ica_rsa_modexpo *mex)
{
struct ap_message ap_msg;
struct completion work;
int rc;
ap_msg.message = kmalloc(PCICA_MAX_MESSAGE_SIZE, GFP_KERNEL);
if (!ap_msg.message)
return -ENOMEM;
ap_msg.psmid = (((unsigned long long) current->pid) << 32) +
atomic_inc_return(&zcrypt_step);
ap_msg.private = &work;
rc = ICAMEX_msg_to_type4MEX_msg(zdev, &ap_msg, mex);
if (rc)
goto out_free;
init_completion(&work);
ap_queue_message(zdev->ap_dev, &ap_msg);
rc = wait_for_completion_interruptible(&work);
if (rc == 0)
rc = convert_response(zdev, &ap_msg, mex->outputdata,
mex->outputdatalength);
else
/* Signal pending. */
ap_cancel_message(zdev->ap_dev, &ap_msg);
out_free:
kfree(ap_msg.message);
return rc;
}
/**
* The request distributor calls this function if it picked the PCICA
* device to handle a modexpo_crt request.
* @zdev: pointer to zcrypt_device structure that identifies the
* PCICA device to the request distributor
* @crt: pointer to the modexpoc_crt request buffer
*/
static long zcrypt_pcica_modexpo_crt(struct zcrypt_device *zdev,
struct ica_rsa_modexpo_crt *crt)
{
struct ap_message ap_msg;
struct completion work;
int rc;
ap_msg.message = kmalloc(PCICA_MAX_MESSAGE_SIZE, GFP_KERNEL);
if (!ap_msg.message)
return -ENOMEM;
ap_msg.psmid = (((unsigned long long) current->pid) << 32) +
atomic_inc_return(&zcrypt_step);
ap_msg.private = &work;
rc = ICACRT_msg_to_type4CRT_msg(zdev, &ap_msg, crt);
if (rc)
goto out_free;
init_completion(&work);
ap_queue_message(zdev->ap_dev, &ap_msg);
rc = wait_for_completion_interruptible(&work);
if (rc == 0)
rc = convert_response(zdev, &ap_msg, crt->outputdata,
crt->outputdatalength);
else
/* Signal pending. */
ap_cancel_message(zdev->ap_dev, &ap_msg);
out_free:
kfree(ap_msg.message);
return rc;
}
/**
* The crypto operations for a PCICA card.
*/
static struct zcrypt_ops zcrypt_pcica_ops = {
.rsa_modexpo = zcrypt_pcica_modexpo,
.rsa_modexpo_crt = zcrypt_pcica_modexpo_crt,
};
/**
* Probe function for PCICA cards. It always accepts the AP device
* since the bus_match already checked the hardware type.
* @ap_dev: pointer to the AP device.
*/
static int zcrypt_pcica_probe(struct ap_device *ap_dev)
{
struct zcrypt_device *zdev;
int rc;
zdev = zcrypt_device_alloc(PCICA_MAX_RESPONSE_SIZE);
if (!zdev)
return -ENOMEM;
zdev->ap_dev = ap_dev;
zdev->ops = &zcrypt_pcica_ops;
zdev->online = 1;
zdev->user_space_type = ZCRYPT_PCICA;
zdev->type_string = "PCICA";
zdev->min_mod_size = PCICA_MIN_MOD_SIZE;
zdev->max_mod_size = PCICA_MAX_MOD_SIZE;
zdev->speed_rating = PCICA_SPEED_RATING;
ap_dev->reply = &zdev->reply;
ap_dev->private = zdev;
rc = zcrypt_device_register(zdev);
if (rc)
goto out_free;
return 0;
out_free:
ap_dev->private = NULL;
zcrypt_device_free(zdev);
return rc;
}
/**
* This is called to remove the extended PCICA driver information
* if an AP device is removed.
*/
static void zcrypt_pcica_remove(struct ap_device *ap_dev)
{
struct zcrypt_device *zdev = ap_dev->private;
zcrypt_device_unregister(zdev);
}
int __init zcrypt_pcica_init(void)
{
return ap_driver_register(&zcrypt_pcica_driver, THIS_MODULE, "pcica");
}
void zcrypt_pcica_exit(void)
{
ap_driver_unregister(&zcrypt_pcica_driver);
}
#ifndef CONFIG_ZCRYPT_MONOLITHIC
module_init(zcrypt_pcica_init);
module_exit(zcrypt_pcica_exit);
#endif

117
kernel/drivers/s390/crypto/zcrypt_pcica.h Normal file
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@@ -0,0 +1,117 @@
/*
* 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_ */

616
kernel/drivers/s390/crypto/zcrypt_pcicc.c Normal file
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@@ -0,0 +1,616 @@
/*
* linux/drivers/s390/crypto/zcrypt_pcicc.c
*
* 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>
* 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.
*/
#include <linux/module.h>
#include <linux/init.h>
#include <linux/err.h>
#include <asm/atomic.h>
#include <asm/uaccess.h>
#include "ap_bus.h"
#include "zcrypt_api.h"
#include "zcrypt_error.h"
#include "zcrypt_pcicc.h"
#include "zcrypt_cca_key.h"
#define PCICC_MIN_MOD_SIZE 64 /* 512 bits */
#define PCICC_MAX_MOD_SIZE_OLD 128 /* 1024 bits */
#define PCICC_MAX_MOD_SIZE 256 /* 2048 bits */
/*
* PCICC cards need a speed rating of 0. This keeps them at the end of
* the zcrypt device list (see zcrypt_api.c). PCICC cards are only
* used if no other cards are present because they are slow and can only
* cope with PKCS12 padded requests. The logic is queer. PKCS11 padded
* requests are rejected. The modexpo function encrypts PKCS12 padded data
* and decrypts any non-PKCS12 padded data (except PKCS11) in the assumption
* that it's encrypted PKCS12 data. The modexpo_crt function always decrypts
* the data in the assumption that its PKCS12 encrypted data.
*/
#define PCICC_SPEED_RATING 0
#define PCICC_MAX_MESSAGE_SIZE 0x710 /* max size type6 v1 crt message */
#define PCICC_MAX_RESPONSE_SIZE 0x710 /* max size type86 v1 reply */
#define PCICC_CLEANUP_TIME (15*HZ)
static struct ap_device_id zcrypt_pcicc_ids[] = {
{ AP_DEVICE(AP_DEVICE_TYPE_PCICC) },
{ /* end of list */ },
};
#ifndef CONFIG_ZCRYPT_MONOLITHIC
MODULE_DEVICE_TABLE(ap, zcrypt_pcicc_ids);
MODULE_AUTHOR("IBM Corporation");
MODULE_DESCRIPTION("PCICC Cryptographic Coprocessor device driver, "
"Copyright 2001, 2006 IBM Corporation");
MODULE_LICENSE("GPL");
#endif
static int zcrypt_pcicc_probe(struct ap_device *ap_dev);
static void zcrypt_pcicc_remove(struct ap_device *ap_dev);
static void zcrypt_pcicc_receive(struct ap_device *, struct ap_message *,
struct ap_message *);
static struct ap_driver zcrypt_pcicc_driver = {
.probe = zcrypt_pcicc_probe,
.remove = zcrypt_pcicc_remove,
.receive = zcrypt_pcicc_receive,
.ids = zcrypt_pcicc_ids,
.request_timeout = PCICC_CLEANUP_TIME,
};
/**
* The following is used to initialize the CPRB passed to the PCICC card
* in a type6 message. The 3 fields that must be filled in at execution
* time are req_parml, rpl_parml and usage_domain. Note that all three
* fields are *little*-endian. Actually, everything about this interface
* is ascii/little-endian, since the device has 'Intel inside'.
*
* The CPRB is followed immediately by the parm block.
* The parm block contains:
* - function code ('PD' 0x5044 or 'PK' 0x504B)
* - rule block (0x0A00 'PKCS-1.2' or 0x0A00 'ZERO-PAD')
* - VUD block
*/
static struct CPRB static_cprb = {
.cprb_len = __constant_cpu_to_le16(0x0070),
.cprb_ver_id = 0x41,
.func_id = {0x54,0x32},
.checkpoint_flag= 0x01,
.svr_namel = __constant_cpu_to_le16(0x0008),
.svr_name = {'I','C','S','F',' ',' ',' ',' '}
};
/**
* Check the message for PKCS11 padding.
*/
static inline int is_PKCS11_padded(unsigned char *buffer, int length)
{
int i;
if ((buffer[0] != 0x00) || (buffer[1] != 0x01))
return 0;
for (i = 2; i < length; i++)
if (buffer[i] != 0xFF)
break;
if (i < 10 || i == length)
return 0;
if (buffer[i] != 0x00)
return 0;
return 1;
}
/**
* Check the message for PKCS12 padding.
*/
static inline int is_PKCS12_padded(unsigned char *buffer, int length)
{
int i;
if ((buffer[0] != 0x00) || (buffer[1] != 0x02))
return 0;
for (i = 2; i < length; i++)
if (buffer[i] == 0x00)
break;
if ((i < 10) || (i == length))
return 0;
if (buffer[i] != 0x00)
return 0;
return 1;
}
/**
* Convert a ICAMEX message to a type6 MEX message.
*
* @zdev: crypto device pointer
* @zreq: crypto request pointer
* @mex: pointer to user input data
*
* Returns 0 on success or -EFAULT.
*/
static int ICAMEX_msg_to_type6MEX_msg(struct zcrypt_device *zdev,
struct ap_message *ap_msg,
struct ica_rsa_modexpo *mex)
{
static struct type6_hdr static_type6_hdr = {
.type = 0x06,
.offset1 = 0x00000058,
.agent_id = {0x01,0x00,0x43,0x43,0x41,0x2D,0x41,0x50,
0x50,0x4C,0x20,0x20,0x20,0x01,0x01,0x01},
.function_code = {'P','K'},
};
static struct function_and_rules_block static_pke_function_and_rules ={
.function_code = {'P','K'},
.ulen = __constant_cpu_to_le16(10),
.only_rule = {'P','K','C','S','-','1','.','2'}
};
struct {
struct type6_hdr hdr;
struct CPRB cprb;
struct function_and_rules_block fr;
unsigned short length;
char text[0];
} __attribute__((packed)) *msg = ap_msg->message;
int vud_len, pad_len, size;
/* VUD.ciphertext */
if (copy_from_user(msg->text, mex->inputdata, mex->inputdatalength))
return -EFAULT;
if (is_PKCS11_padded(msg->text, mex->inputdatalength))
return -EINVAL;
/* static message header and f&r */
msg->hdr = static_type6_hdr;
msg->fr = static_pke_function_and_rules;
if (is_PKCS12_padded(msg->text, mex->inputdatalength)) {
/* strip the padding and adjust the data length */
pad_len = strnlen(msg->text + 2, mex->inputdatalength - 2) + 3;
if (pad_len <= 9 || pad_len >= mex->inputdatalength)
return -ENODEV;
vud_len = mex->inputdatalength - pad_len;
memmove(msg->text, msg->text + pad_len, vud_len);
msg->length = cpu_to_le16(vud_len + 2);
/* Set up key after the variable length text. */
size = zcrypt_type6_mex_key_en(mex, msg->text + vud_len, 0);
if (size < 0)
return size;
size += sizeof(*msg) + vud_len; /* total size of msg */
} else {
vud_len = mex->inputdatalength;
msg->length = cpu_to_le16(2 + vud_len);
msg->hdr.function_code[1] = 'D';
msg->fr.function_code[1] = 'D';
/* Set up key after the variable length text. */
size = zcrypt_type6_mex_key_de(mex, msg->text + vud_len, 0);
if (size < 0)
return size;
size += sizeof(*msg) + vud_len; /* total size of msg */
}
/* message header, cprb and f&r */
msg->hdr.ToCardLen1 = (size - sizeof(msg->hdr) + 3) & -4;
msg->hdr.FromCardLen1 = PCICC_MAX_RESPONSE_SIZE - sizeof(msg->hdr);
msg->cprb = static_cprb;
msg->cprb.usage_domain[0]= AP_QID_QUEUE(zdev->ap_dev->qid);
msg->cprb.req_parml = cpu_to_le16(size - sizeof(msg->hdr) -
sizeof(msg->cprb));
msg->cprb.rpl_parml = cpu_to_le16(msg->hdr.FromCardLen1);
ap_msg->length = (size + 3) & -4;
return 0;
}
/**
* Convert a ICACRT message to a type6 CRT message.
*
* @zdev: crypto device pointer
* @zreq: crypto request pointer
* @crt: pointer to user input data
*
* Returns 0 on success or -EFAULT.
*/
static int ICACRT_msg_to_type6CRT_msg(struct zcrypt_device *zdev,
struct ap_message *ap_msg,
struct ica_rsa_modexpo_crt *crt)
{
static struct type6_hdr static_type6_hdr = {
.type = 0x06,
.offset1 = 0x00000058,
.agent_id = {0x01,0x00,0x43,0x43,0x41,0x2D,0x41,0x50,
0x50,0x4C,0x20,0x20,0x20,0x01,0x01,0x01},
.function_code = {'P','D'},
};
static struct function_and_rules_block static_pkd_function_and_rules ={
.function_code = {'P','D'},
.ulen = __constant_cpu_to_le16(10),
.only_rule = {'P','K','C','S','-','1','.','2'}
};
struct {
struct type6_hdr hdr;
struct CPRB cprb;
struct function_and_rules_block fr;
unsigned short length;
char text[0];
} __attribute__((packed)) *msg = ap_msg->message;
int size;
/* VUD.ciphertext */
msg->length = cpu_to_le16(2 + crt->inputdatalength);
if (copy_from_user(msg->text, crt->inputdata, crt->inputdatalength))
return -EFAULT;
if (is_PKCS11_padded(msg->text, crt->inputdatalength))
return -EINVAL;
/* Set up key after the variable length text. */
size = zcrypt_type6_crt_key(crt, msg->text + crt->inputdatalength, 0);
if (size < 0)
return size;
size += sizeof(*msg) + crt->inputdatalength; /* total size of msg */
/* message header, cprb and f&r */
msg->hdr = static_type6_hdr;
msg->hdr.ToCardLen1 = (size - sizeof(msg->hdr) + 3) & -4;
msg->hdr.FromCardLen1 = PCICC_MAX_RESPONSE_SIZE - sizeof(msg->hdr);
msg->cprb = static_cprb;
msg->cprb.usage_domain[0] = AP_QID_QUEUE(zdev->ap_dev->qid);
msg->cprb.req_parml = msg->cprb.rpl_parml =
cpu_to_le16(size - sizeof(msg->hdr) - sizeof(msg->cprb));
msg->fr = static_pkd_function_and_rules;
ap_msg->length = (size + 3) & -4;
return 0;
}
/**
* Copy results from a type 86 reply message back to user space.
*
* @zdev: crypto device pointer
* @reply: reply AP message.
* @data: pointer to user output data
* @length: size of user output data
*
* Returns 0 on success or -EINVAL, -EFAULT, -EAGAIN in case of an error.
*/
struct type86_reply {
struct type86_hdr hdr;
struct type86_fmt2_ext fmt2;
struct CPRB cprb;
unsigned char pad[4]; /* 4 byte function code/rules block ? */
unsigned short length;
char text[0];
} __attribute__((packed));
static int convert_type86(struct zcrypt_device *zdev,
struct ap_message *reply,
char __user *outputdata,
unsigned int outputdatalength)
{
static unsigned char static_pad[] = {
0x00,0x02,
0x1B,0x7B,0x5D,0xB5,0x75,0x01,0x3D,0xFD,
0x8D,0xD1,0xC7,0x03,0x2D,0x09,0x23,0x57,
0x89,0x49,0xB9,0x3F,0xBB,0x99,0x41,0x5B,
0x75,0x21,0x7B,0x9D,0x3B,0x6B,0x51,0x39,
0xBB,0x0D,0x35,0xB9,0x89,0x0F,0x93,0xA5,
0x0B,0x47,0xF1,0xD3,0xBB,0xCB,0xF1,0x9D,
0x23,0x73,0x71,0xFF,0xF3,0xF5,0x45,0xFB,
0x61,0x29,0x23,0xFD,0xF1,0x29,0x3F,0x7F,
0x17,0xB7,0x1B,0xA9,0x19,0xBD,0x57,0xA9,
0xD7,0x95,0xA3,0xCB,0xED,0x1D,0xDB,0x45,
0x7D,0x11,0xD1,0x51,0x1B,0xED,0x71,0xE9,
0xB1,0xD1,0xAB,0xAB,0x21,0x2B,0x1B,0x9F,
0x3B,0x9F,0xF7,0xF7,0xBD,0x63,0xEB,0xAD,
0xDF,0xB3,0x6F,0x5B,0xDB,0x8D,0xA9,0x5D,
0xE3,0x7D,0x77,0x49,0x47,0xF5,0xA7,0xFD,
0xAB,0x2F,0x27,0x35,0x77,0xD3,0x49,0xC9,
0x09,0xEB,0xB1,0xF9,0xBF,0x4B,0xCB,0x2B,
0xEB,0xEB,0x05,0xFF,0x7D,0xC7,0x91,0x8B,
0x09,0x83,0xB9,0xB9,0x69,0x33,0x39,0x6B,
0x79,0x75,0x19,0xBF,0xBB,0x07,0x1D,0xBD,
0x29,0xBF,0x39,0x95,0x93,0x1D,0x35,0xC7,
0xC9,0x4D,0xE5,0x97,0x0B,0x43,0x9B,0xF1,
0x16,0x93,0x03,0x1F,0xA5,0xFB,0xDB,0xF3,
0x27,0x4F,0x27,0x61,0x05,0x1F,0xB9,0x23,
0x2F,0xC3,0x81,0xA9,0x23,0x71,0x55,0x55,
0xEB,0xED,0x41,0xE5,0xF3,0x11,0xF1,0x43,
0x69,0x03,0xBD,0x0B,0x37,0x0F,0x51,0x8F,
0x0B,0xB5,0x89,0x5B,0x67,0xA9,0xD9,0x4F,
0x01,0xF9,0x21,0x77,0x37,0x73,0x79,0xC5,
0x7F,0x51,0xC1,0xCF,0x97,0xA1,0x75,0xAD,
0x35,0x9D,0xD3,0xD3,0xA7,0x9D,0x5D,0x41,
0x6F,0x65,0x1B,0xCF,0xA9,0x87,0x91,0x09
};
struct type86_reply *msg = reply->message;
unsigned short service_rc, service_rs;
unsigned int reply_len, pad_len;
char *data;
service_rc = le16_to_cpu(msg->cprb.ccp_rtcode);
if (unlikely(service_rc != 0)) {
service_rs = le16_to_cpu(msg->cprb.ccp_rscode);
if (service_rc == 8 && service_rs == 66)
return -EINVAL;
if (service_rc == 8 && service_rs == 65)
return -EINVAL;
if (service_rc == 8 && service_rs == 770) {
zdev->max_mod_size = PCICC_MAX_MOD_SIZE_OLD;
return -EAGAIN;
}
if (service_rc == 8 && service_rs == 783) {
zdev->max_mod_size = PCICC_MAX_MOD_SIZE_OLD;
return -EAGAIN;
}
if (service_rc == 8 && service_rs == 72)
return -EINVAL;
zdev->online = 0;
return -EAGAIN; /* repeat the request on a different device. */
}
data = msg->text;
reply_len = le16_to_cpu(msg->length) - 2;
if (reply_len > outputdatalength)
return -EINVAL;
/*
* For all encipher requests, the length of the ciphertext (reply_len)
* will always equal the modulus length. For MEX decipher requests
* the output needs to get padded. Minimum pad size is 10.
*
* Currently, the cases where padding will be added is for:
* - PCIXCC_MCL2 using a CRT form token (since PKD didn't support
* ZERO-PAD and CRT is only supported for PKD requests)
* - PCICC, always
*/
pad_len = outputdatalength - reply_len;
if (pad_len > 0) {
if (pad_len < 10)
return -EINVAL;
/* 'restore' padding left in the PCICC/PCIXCC card. */
if (copy_to_user(outputdata, static_pad, pad_len - 1))
return -EFAULT;
if (put_user(0, outputdata + pad_len - 1))
return -EFAULT;
}
/* Copy the crypto response to user space. */
if (copy_to_user(outputdata + pad_len, data, reply_len))
return -EFAULT;
return 0;
}
static int convert_response(struct zcrypt_device *zdev,
struct ap_message *reply,
char __user *outputdata,
unsigned int outputdatalength)
{
struct type86_reply *msg = reply->message;
/* Response type byte is the second byte in the response. */
switch (msg->hdr.type) {
case TYPE82_RSP_CODE:
case TYPE88_RSP_CODE:
return convert_error(zdev, reply);
case TYPE86_RSP_CODE:
if (msg->hdr.reply_code)
return convert_error(zdev, reply);
if (msg->cprb.cprb_ver_id == 0x01)
return convert_type86(zdev, reply,
outputdata, outputdatalength);
/* no break, incorrect cprb version is an unknown response */
default: /* Unknown response type, this should NEVER EVER happen */
zdev->online = 0;
return -EAGAIN; /* repeat the request on a different device. */
}
}
/**
* This function is called from the AP bus code after a crypto request
* "msg" has finished with the reply message "reply".
* It is called from tasklet context.
* @ap_dev: pointer to the AP device
* @msg: pointer to the AP message
* @reply: pointer to the AP reply message
*/
static void zcrypt_pcicc_receive(struct ap_device *ap_dev,
struct ap_message *msg,
struct ap_message *reply)
{
static struct error_hdr error_reply = {
.type = TYPE82_RSP_CODE,
.reply_code = REP82_ERROR_MACHINE_FAILURE,
};
struct type86_reply *t86r;
int length;
/* Copy the reply message to the request message buffer. */
if (IS_ERR(reply)) {
memcpy(msg->message, &error_reply, sizeof(error_reply));
goto out;
}
t86r = reply->message;
if (t86r->hdr.type == TYPE86_RSP_CODE &&
t86r->cprb.cprb_ver_id == 0x01) {
length = sizeof(struct type86_reply) + t86r->length - 2;
length = min(PCICC_MAX_RESPONSE_SIZE, length);
memcpy(msg->message, reply->message, length);
} else
memcpy(msg->message, reply->message, sizeof error_reply);
out:
complete((struct completion *) msg->private);
}
static atomic_t zcrypt_step = ATOMIC_INIT(0);
/**
* The request distributor calls this function if it picked the PCICC
* device to handle a modexpo request.
* @zdev: pointer to zcrypt_device structure that identifies the
* PCICC device to the request distributor
* @mex: pointer to the modexpo request buffer
*/
static long zcrypt_pcicc_modexpo(struct zcrypt_device *zdev,
struct ica_rsa_modexpo *mex)
{
struct ap_message ap_msg;
struct completion work;
int rc;
ap_msg.message = (void *) get_zeroed_page(GFP_KERNEL);
if (!ap_msg.message)
return -ENOMEM;
ap_msg.length = PAGE_SIZE;
ap_msg.psmid = (((unsigned long long) current->pid) << 32) +
atomic_inc_return(&zcrypt_step);
ap_msg.private = &work;
rc = ICAMEX_msg_to_type6MEX_msg(zdev, &ap_msg, mex);
if (rc)
goto out_free;
init_completion(&work);
ap_queue_message(zdev->ap_dev, &ap_msg);
rc = wait_for_completion_interruptible(&work);
if (rc == 0)
rc = convert_response(zdev, &ap_msg, mex->outputdata,
mex->outputdatalength);
else
/* Signal pending. */
ap_cancel_message(zdev->ap_dev, &ap_msg);
out_free:
free_page((unsigned long) ap_msg.message);
return rc;
}
/**
* The request distributor calls this function if it picked the PCICC
* device to handle a modexpo_crt request.
* @zdev: pointer to zcrypt_device structure that identifies the
* PCICC device to the request distributor
* @crt: pointer to the modexpoc_crt request buffer
*/
static long zcrypt_pcicc_modexpo_crt(struct zcrypt_device *zdev,
struct ica_rsa_modexpo_crt *crt)
{
struct ap_message ap_msg;
struct completion work;
int rc;
ap_msg.message = (void *) get_zeroed_page(GFP_KERNEL);
if (!ap_msg.message)
return -ENOMEM;
ap_msg.length = PAGE_SIZE;
ap_msg.psmid = (((unsigned long long) current->pid) << 32) +
atomic_inc_return(&zcrypt_step);
ap_msg.private = &work;
rc = ICACRT_msg_to_type6CRT_msg(zdev, &ap_msg, crt);
if (rc)
goto out_free;
init_completion(&work);
ap_queue_message(zdev->ap_dev, &ap_msg);
rc = wait_for_completion_interruptible(&work);
if (rc == 0)
rc = convert_response(zdev, &ap_msg, crt->outputdata,
crt->outputdatalength);
else
/* Signal pending. */
ap_cancel_message(zdev->ap_dev, &ap_msg);
out_free:
free_page((unsigned long) ap_msg.message);
return rc;
}
/**
* The crypto operations for a PCICC card.
*/
static struct zcrypt_ops zcrypt_pcicc_ops = {
.rsa_modexpo = zcrypt_pcicc_modexpo,
.rsa_modexpo_crt = zcrypt_pcicc_modexpo_crt,
};
/**
* Probe function for PCICC cards. It always accepts the AP device
* since the bus_match already checked the hardware type.
* @ap_dev: pointer to the AP device.
*/
static int zcrypt_pcicc_probe(struct ap_device *ap_dev)
{
struct zcrypt_device *zdev;
int rc;
zdev = zcrypt_device_alloc(PCICC_MAX_RESPONSE_SIZE);
if (!zdev)
return -ENOMEM;
zdev->ap_dev = ap_dev;
zdev->ops = &zcrypt_pcicc_ops;
zdev->online = 1;
zdev->user_space_type = ZCRYPT_PCICC;
zdev->type_string = "PCICC";
zdev->min_mod_size = PCICC_MIN_MOD_SIZE;
zdev->max_mod_size = PCICC_MAX_MOD_SIZE;
zdev->speed_rating = PCICC_SPEED_RATING;
ap_dev->reply = &zdev->reply;
ap_dev->private = zdev;
rc = zcrypt_device_register(zdev);
if (rc)
goto out_free;
return 0;
out_free:
ap_dev->private = NULL;
zcrypt_device_free(zdev);
return rc;
}
/**
* This is called to remove the extended PCICC driver information
* if an AP device is removed.
*/
static void zcrypt_pcicc_remove(struct ap_device *ap_dev)
{
struct zcrypt_device *zdev = ap_dev->private;
zcrypt_device_unregister(zdev);
}
int __init zcrypt_pcicc_init(void)
{
return ap_driver_register(&zcrypt_pcicc_driver, THIS_MODULE, "pcicc");
}
void zcrypt_pcicc_exit(void)
{
ap_driver_unregister(&zcrypt_pcicc_driver);
}
#ifndef CONFIG_ZCRYPT_MONOLITHIC
module_init(zcrypt_pcicc_init);
module_exit(zcrypt_pcicc_exit);
#endif

176
kernel/drivers/s390/crypto/zcrypt_pcicc.h Normal file
View File

@@ -0,0 +1,176 @@
/*
* linux/drivers/s390/crypto/zcrypt_pcicc.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_PCICC_H_
#define _ZCRYPT_PCICC_H_
/**
* The type 6 message family is associated with PCICC or PCIXCC cards.
*
* It contains a message header followed by a CPRB, both of which
* are described below.
*
* Note that all reserved fields must be zeroes.
*/
struct type6_hdr {
unsigned char reserved1; /* 0x00 */
unsigned char type; /* 0x06 */
unsigned char reserved2[2]; /* 0x0000 */
unsigned char right[4]; /* 0x00000000 */
unsigned char reserved3[2]; /* 0x0000 */
unsigned char reserved4[2]; /* 0x0000 */
unsigned char apfs[4]; /* 0x00000000 */
unsigned int offset1; /* 0x00000058 (offset to CPRB) */
unsigned int offset2; /* 0x00000000 */
unsigned int offset3; /* 0x00000000 */
unsigned int offset4; /* 0x00000000 */
unsigned char agent_id[16]; /* PCICC: */
/* 0x0100 */
/* 0x4343412d4150504c202020 */
/* 0x010101 */
/* PCIXCC: */
/* 0x4341000000000000 */
/* 0x0000000000000000 */
unsigned char rqid[2]; /* rqid. internal to 603 */
unsigned char reserved5[2]; /* 0x0000 */
unsigned char function_code[2]; /* for PKD, 0x5044 (ascii 'PD') */
unsigned char reserved6[2]; /* 0x0000 */
unsigned int ToCardLen1; /* (request CPRB len + 3) & -4 */
unsigned int ToCardLen2; /* db len 0x00000000 for PKD */
unsigned int ToCardLen3; /* 0x00000000 */
unsigned int ToCardLen4; /* 0x00000000 */
unsigned int FromCardLen1; /* response buffer length */
unsigned int FromCardLen2; /* db len 0x00000000 for PKD */
unsigned int FromCardLen3; /* 0x00000000 */
unsigned int FromCardLen4; /* 0x00000000 */
} __attribute__((packed));
/**
* CPRB
* Note that all shorts, ints and longs are little-endian.
* All pointer fields are 32-bits long, and mean nothing
*
* A request CPRB is followed by a request_parameter_block.
*
* The request (or reply) parameter block is organized thus:
* function code
* VUD block
* key block
*/
struct CPRB {
unsigned short cprb_len; /* CPRB length */
unsigned char cprb_ver_id; /* CPRB version id. */
unsigned char pad_000; /* Alignment pad byte. */
unsigned char srpi_rtcode[4]; /* SRPI return code LELONG */
unsigned char srpi_verb; /* SRPI verb type */
unsigned char flags; /* flags */
unsigned char func_id[2]; /* function id */
unsigned char checkpoint_flag; /* */
unsigned char resv2; /* reserved */
unsigned short req_parml; /* request parameter buffer */
/* length 16-bit little endian */
unsigned char req_parmp[4]; /* request parameter buffer *
* pointer (means nothing: the *
* parameter buffer follows *
* the CPRB). */
unsigned char req_datal[4]; /* request data buffer */
/* length ULELONG */
unsigned char req_datap[4]; /* request data buffer */
/* pointer */
unsigned short rpl_parml; /* reply parameter buffer */
/* length 16-bit little endian */
unsigned char pad_001[2]; /* Alignment pad bytes. ULESHORT */
unsigned char rpl_parmp[4]; /* reply parameter buffer *
* pointer (means nothing: the *
* parameter buffer follows *
* the CPRB). */
unsigned char rpl_datal[4]; /* reply data buffer len ULELONG */
unsigned char rpl_datap[4]; /* reply data buffer */
/* pointer */
unsigned short ccp_rscode; /* server reason code ULESHORT */
unsigned short ccp_rtcode; /* server return code ULESHORT */
unsigned char repd_parml[2]; /* replied parameter len ULESHORT*/
unsigned char mac_data_len[2]; /* Mac Data Length ULESHORT */
unsigned char repd_datal[4]; /* replied data length ULELONG */
unsigned char req_pc[2]; /* PC identifier */
unsigned char res_origin[8]; /* resource origin */
unsigned char mac_value[8]; /* Mac Value */
unsigned char logon_id[8]; /* Logon Identifier */
unsigned char usage_domain[2]; /* cdx */
unsigned char resv3[18]; /* reserved for requestor */
unsigned short svr_namel; /* server name length ULESHORT */
unsigned char svr_name[8]; /* server name */
} __attribute__((packed));
/**
* The type 86 message family is associated with PCICC and PCIXCC cards.
*
* It contains a message header followed by a CPRB. The CPRB is
* the same as the request CPRB, which is described above.
*
* If format is 1, an error condition exists and no data beyond
* the 8-byte message header is of interest.
*
* The non-error message is shown below.
*
* Note that all reserved fields must be zeroes.
*/
struct type86_hdr {
unsigned char reserved1; /* 0x00 */
unsigned char type; /* 0x86 */
unsigned char format; /* 0x01 (error) or 0x02 (ok) */
unsigned char reserved2; /* 0x00 */
unsigned char reply_code; /* reply code (see above) */
unsigned char reserved3[3]; /* 0x000000 */
} __attribute__((packed));
#define TYPE86_RSP_CODE 0x86
#define TYPE86_FMT2 0x02
struct type86_fmt2_ext {
unsigned char reserved[4]; /* 0x00000000 */
unsigned char apfs[4]; /* final status */
unsigned int count1; /* length of CPRB + parameters */
unsigned int offset1; /* offset to CPRB */
unsigned int count2; /* 0x00000000 */
unsigned int offset2; /* db offset 0x00000000 for PKD */
unsigned int count3; /* 0x00000000 */
unsigned int offset3; /* 0x00000000 */
unsigned int count4; /* 0x00000000 */
unsigned int offset4; /* 0x00000000 */
} __attribute__((packed));
struct function_and_rules_block {
unsigned char function_code[2];
unsigned short ulen;
unsigned char only_rule[8];
} __attribute__((packed));
int zcrypt_pcicc_init(void);
void zcrypt_pcicc_exit(void);
#endif /* _ZCRYPT_PCICC_H_ */

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kernel/drivers/s390/crypto/zcrypt_pcixcc.c Normal file
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34
kernel/drivers/s390/crypto/zcrypt_pcixcc.h Normal file
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/*
* linux/drivers/s390/crypto/zcrypt_pcixcc.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_PCIXCC_H_
#define _ZCRYPT_PCIXCC_H_
int zcrypt_pcixcc_init(void);
void zcrypt_pcixcc_exit(void);
#endif /* _ZCRYPT_PCIXCC_H_ */