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[S390] zcrypt secure key cryptography extension.

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Allow the user space to send extended cprb messages directly to the
PCIXCC / CEX2C cards. This allows the CCA library to construct special
crypto requests that use "secure" keys that are stored on the card.

Signed-off-by: Ralph Wuerthner <rwuerthn@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Ralph Wuerthner 2006-09-20 15:58:36 +02:00 committed by Martin Schwidefsky
parent fe3a1be59c
commit 5432114baf
14 changed files with 452 additions and 26 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

112
drivers/s390/crypto/zcrypt_api.c
View File

@ -1,7 +1,7 @@
/*
* linux/drivers/s390/crypto/zcrypt_api.c
*
* zcrypt 2.0.0
* zcrypt 2.1.0
*
* Copyright (C) 2001, 2006 IBM Corporation
* Author(s): Robert Burroughs
@ -392,6 +392,41 @@ static long zcrypt_rsa_crt(struct ica_rsa_modexpo_crt *crt)
return -ENODEV;
}
static long zcrypt_send_cprb(struct ica_xcRB *xcRB)
{
struct zcrypt_device *zdev;
int rc;
spin_lock_bh(&zcrypt_device_lock);
list_for_each_entry(zdev, &zcrypt_device_list, list) {
if (!zdev->online || !zdev->ops->send_cprb ||
(xcRB->user_defined != AUTOSELECT &&
AP_QID_DEVICE(zdev->ap_dev->qid) != xcRB->user_defined)
)
continue;
zcrypt_device_get(zdev);
get_device(&zdev->ap_dev->device);
zdev->request_count++;
__zcrypt_decrease_preference(zdev);
spin_unlock_bh(&zcrypt_device_lock);
if (try_module_get(zdev->ap_dev->drv->driver.owner)) {
rc = zdev->ops->send_cprb(zdev, xcRB);
module_put(zdev->ap_dev->drv->driver.owner);
}
else
rc = -EAGAIN;
spin_lock_bh(&zcrypt_device_lock);
zdev->request_count--;
__zcrypt_increase_preference(zdev);
put_device(&zdev->ap_dev->device);
zcrypt_device_put(zdev);
spin_unlock_bh(&zcrypt_device_lock);
return rc;
}
spin_unlock_bh(&zcrypt_device_lock);
return -ENODEV;
}
static void zcrypt_status_mask(char status[AP_DEVICES])
{
struct zcrypt_device *zdev;
@ -535,6 +570,18 @@ static long zcrypt_unlocked_ioctl(struct file *filp, unsigned int cmd,
return rc;
return put_user(crt.outputdatalength, &ucrt->outputdatalength);
}
case ZSECSENDCPRB: {
struct ica_xcRB __user *uxcRB = (void __user *) arg;
struct ica_xcRB xcRB;
if (copy_from_user(&xcRB, uxcRB, sizeof(xcRB)))
return -EFAULT;
do {
rc = zcrypt_send_cprb(&xcRB);
} while (rc == -EAGAIN);
if (copy_to_user(uxcRB, &xcRB, sizeof(xcRB)))
return -EFAULT;
return rc;
}
case Z90STAT_STATUS_MASK: {
char status[AP_DEVICES];
zcrypt_status_mask(status);
@ -683,6 +730,67 @@ static long trans_modexpo_crt32(struct file *filp, unsigned int cmd,
return rc;
}
struct compat_ica_xcRB {
unsigned short agent_ID;
unsigned int user_defined;
unsigned short request_ID;
unsigned int request_control_blk_length;
unsigned char padding1[16 - sizeof (compat_uptr_t)];
compat_uptr_t request_control_blk_addr;
unsigned int request_data_length;
char padding2[16 - sizeof (compat_uptr_t)];
compat_uptr_t request_data_address;
unsigned int reply_control_blk_length;
char padding3[16 - sizeof (compat_uptr_t)];
compat_uptr_t reply_control_blk_addr;
unsigned int reply_data_length;
char padding4[16 - sizeof (compat_uptr_t)];
compat_uptr_t reply_data_addr;
unsigned short priority_window;
unsigned int status;
} __attribute__((packed));
static long trans_xcRB32(struct file *filp, unsigned int cmd,
unsigned long arg)
{
struct compat_ica_xcRB __user *uxcRB32 = compat_ptr(arg);
struct compat_ica_xcRB xcRB32;
struct ica_xcRB xcRB64;
long rc;
if (copy_from_user(&xcRB32, uxcRB32, sizeof(xcRB32)))
return -EFAULT;
xcRB64.agent_ID = xcRB32.agent_ID;
xcRB64.user_defined = xcRB32.user_defined;
xcRB64.request_ID = xcRB32.request_ID;
xcRB64.request_control_blk_length =
xcRB32.request_control_blk_length;
xcRB64.request_control_blk_addr =
compat_ptr(xcRB32.request_control_blk_addr);
xcRB64.request_data_length =
xcRB32.request_data_length;
xcRB64.request_data_address =
compat_ptr(xcRB32.request_data_address);
xcRB64.reply_control_blk_length =
xcRB32.reply_control_blk_length;
xcRB64.reply_control_blk_addr =
compat_ptr(xcRB32.reply_control_blk_addr);
xcRB64.reply_data_length = xcRB32.reply_data_length;
xcRB64.reply_data_addr =
compat_ptr(xcRB32.reply_data_addr);
xcRB64.priority_window = xcRB32.priority_window;
xcRB64.status = xcRB32.status;
do {
rc = zcrypt_send_cprb(&xcRB64);
} while (rc == -EAGAIN);
xcRB32.reply_control_blk_length = xcRB64.reply_control_blk_length;
xcRB32.reply_data_length = xcRB64.reply_data_length;
xcRB32.status = xcRB64.status;
if (copy_to_user(uxcRB32, &xcRB32, sizeof(xcRB32)))
return -EFAULT;
return rc;
}
long zcrypt_compat_ioctl(struct file *filp, unsigned int cmd,
unsigned long arg)
{
@ -690,6 +798,8 @@ long zcrypt_compat_ioctl(struct file *filp, unsigned int cmd,
return trans_modexpo32(filp, cmd, arg);
if (cmd == ICARSACRT)
return trans_modexpo_crt32(filp, cmd, arg);
if (cmd == ZSECSENDCPRB)
return trans_xcRB32(filp, cmd, arg);
return zcrypt_unlocked_ioctl(filp, cmd, arg);
}
#endif

3
drivers/s390/crypto/zcrypt_api.h
View File

@ -1,7 +1,7 @@
/*
* linux/drivers/s390/crypto/zcrypt_api.h
*
* zcrypt 2.0.0
* zcrypt 2.1.0
*
* Copyright (C) 2001, 2006 IBM Corporation
* Author(s): Robert Burroughs
@ -106,6 +106,7 @@ 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 *);
};
struct zcrypt_device {

2
drivers/s390/crypto/zcrypt_cca_key.h
View File

@ -1,7 +1,7 @@
/*
* linux/drivers/s390/crypto/zcrypt_cca_key.h
*
* zcrypt 2.0.0
* zcrypt 2.1.0
*
* Copyright (C) 2001, 2006 IBM Corporation
* Author(s): Robert Burroughs

2
drivers/s390/crypto/zcrypt_cex2a.c
View File

@ -1,7 +1,7 @@
/*
* linux/drivers/s390/crypto/zcrypt_cex2a.c
*
* zcrypt 2.0.0
* zcrypt 2.1.0
*
* Copyright (C) 2001, 2006 IBM Corporation
* Author(s): Robert Burroughs

2
drivers/s390/crypto/zcrypt_cex2a.h
View File

@ -1,7 +1,7 @@
/*
* linux/drivers/s390/crypto/zcrypt_cex2a.h
*
* zcrypt 2.0.0
* zcrypt 2.1.0
*
* Copyright (C) 2001, 2006 IBM Corporation
* Author(s): Robert Burroughs

2
drivers/s390/crypto/zcrypt_error.h
View File

@ -1,7 +1,7 @@
/*
* linux/drivers/s390/crypto/zcrypt_error.h
*
* zcrypt 2.0.0
* zcrypt 2.1.0
*
* Copyright (C) 2001, 2006 IBM Corporation
* Author(s): Robert Burroughs

2
drivers/s390/crypto/zcrypt_mono.c
View File

@ -1,7 +1,7 @@
/*
* linux/drivers/s390/crypto/zcrypt_mono.c
*
* zcrypt 2.0.0
* zcrypt 2.1.0
*
* Copyright (C) 2001, 2006 IBM Corporation
* Author(s): Robert Burroughs

2
drivers/s390/crypto/zcrypt_pcica.c
View File

@ -1,7 +1,7 @@
/*
* linux/drivers/s390/crypto/zcrypt_pcica.c
*
* zcrypt 2.0.0
* zcrypt 2.1.0
*
* Copyright (C) 2001, 2006 IBM Corporation
* Author(s): Robert Burroughs

2
drivers/s390/crypto/zcrypt_pcica.h
View File

@ -1,7 +1,7 @@
/*
* linux/drivers/s390/crypto/zcrypt_pcica.h
*
* zcrypt 2.0.0
* zcrypt 2.1.0
*
* Copyright (C) 2001, 2006 IBM Corporation
* Author(s): Robert Burroughs

2
drivers/s390/crypto/zcrypt_pcicc.c
View File

@ -1,7 +1,7 @@
/*
* linux/drivers/s390/crypto/zcrypt_pcicc.c
*
* zcrypt 2.0.0
* zcrypt 2.1.0
*
* Copyright (C) 2001, 2006 IBM Corporation
* Author(s): Robert Burroughs

2
drivers/s390/crypto/zcrypt_pcicc.h
View File

@ -1,7 +1,7 @@
/*
* linux/drivers/s390/crypto/zcrypt_pcicc.h
*
* zcrypt 2.0.0
* zcrypt 2.1.0
*
* Copyright (C) 2001, 2006 IBM Corporation
* Author(s): Robert Burroughs

263
drivers/s390/crypto/zcrypt_pcixcc.c
View File

@ -1,7 +1,7 @@
/*
* linux/drivers/s390/crypto/zcrypt_pcixcc.c
*
* zcrypt 2.0.0
* zcrypt 2.1.0
*
* Copyright (C) 2001, 2006 IBM Corporation
* Author(s): Robert Burroughs
@ -60,6 +60,15 @@
#define PCIXCC_CLEANUP_TIME (15*HZ)
#define CEIL4(x) ((((x)+3)/4)*4)
struct response_type {
struct completion work;
int type;
};
#define PCIXCC_RESPONSE_TYPE_ICA 0
#define PCIXCC_RESPONSE_TYPE_XCRB 1
static struct ap_device_id zcrypt_pcixcc_ids[] = {
{ AP_DEVICE(AP_DEVICE_TYPE_PCIXCC) },
{ AP_DEVICE(AP_DEVICE_TYPE_CEX2C) },
@ -243,6 +252,108 @@ static int ICACRT_msg_to_type6CRT_msgX(struct zcrypt_device *zdev,
return 0;
}
/**
* Convert a XCRB message to a type6 CPRB message.
*
* @zdev: crypto device pointer
* @ap_msg: pointer to AP message
* @xcRB: pointer to user input data
*
* Returns 0 on success or -EFAULT.
*/
struct type86_fmt2_msg {
struct type86_hdr hdr;
struct type86_fmt2_ext fmt2;
} __attribute__((packed));
static int XCRB_msg_to_type6CPRB_msgX(struct zcrypt_device *zdev,
struct ap_message *ap_msg,
struct ica_xcRB *xcRB)
{
static struct type6_hdr static_type6_hdrX = {
.type = 0x06,
.offset1 = 0x00000058,
};
struct {
struct type6_hdr hdr;
struct ica_CPRBX cprbx;
} __attribute__((packed)) *msg = ap_msg->message;
int rcblen = CEIL4(xcRB->request_control_blk_length);
int replylen;
char *req_data = ap_msg->message + sizeof(struct type6_hdr) + rcblen;
char *function_code;
/* length checks */
ap_msg->length = sizeof(struct type6_hdr) +
CEIL4(xcRB->request_control_blk_length) +
xcRB->request_data_length;
if (ap_msg->length > PCIXCC_MAX_XCRB_MESSAGE_SIZE) {
PRINTK("Combined message is too large (%ld/%d/%d).\n",
sizeof(struct type6_hdr),
xcRB->request_control_blk_length,
xcRB->request_data_length);
return -EFAULT;
}
if (CEIL4(xcRB->reply_control_blk_length) >
PCIXCC_MAX_XCRB_REPLY_SIZE) {
PDEBUG("Reply CPRB length is too large (%d).\n",
xcRB->request_control_blk_length);
return -EFAULT;
}
if (CEIL4(xcRB->reply_data_length) > PCIXCC_MAX_XCRB_DATA_SIZE) {
PDEBUG("Reply data block length is too large (%d).\n",
xcRB->reply_data_length);
return -EFAULT;
}
replylen = CEIL4(xcRB->reply_control_blk_length) +
CEIL4(xcRB->reply_data_length) +
sizeof(struct type86_fmt2_msg);
if (replylen > PCIXCC_MAX_XCRB_RESPONSE_SIZE) {
PDEBUG("Reply CPRB + data block > PCIXCC_MAX_XCRB_RESPONSE_SIZE"
" (%d/%d/%d).\n",
sizeof(struct type86_fmt2_msg),
xcRB->reply_control_blk_length,
xcRB->reply_data_length);
xcRB->reply_control_blk_length = PCIXCC_MAX_XCRB_RESPONSE_SIZE -
(sizeof(struct type86_fmt2_msg) +
CEIL4(xcRB->reply_data_length));
PDEBUG("Capping Reply CPRB length at %d\n",
xcRB->reply_control_blk_length);
}
/* prepare type6 header */
msg->hdr = static_type6_hdrX;
memcpy(msg->hdr.agent_id , &(xcRB->agent_ID), sizeof(xcRB->agent_ID));
msg->hdr.ToCardLen1 = xcRB->request_control_blk_length;
if (xcRB->request_data_length) {
msg->hdr.offset2 = msg->hdr.offset1 + rcblen;
msg->hdr.ToCardLen2 = xcRB->request_data_length;
}
msg->hdr.FromCardLen1 = xcRB->reply_control_blk_length;
msg->hdr.FromCardLen2 = xcRB->reply_data_length;
/* prepare CPRB */
if (copy_from_user(&(msg->cprbx), xcRB->request_control_blk_addr,
xcRB->request_control_blk_length))
return -EFAULT;
if (msg->cprbx.cprb_len + sizeof(msg->hdr.function_code) >
xcRB->request_control_blk_length) {
PDEBUG("cprb_len too large (%d/%d)\n", msg->cprbx.cprb_len,
xcRB->request_control_blk_length);
return -EFAULT;
}
function_code = ((unsigned char *)&msg->cprbx) + msg->cprbx.cprb_len;
memcpy(msg->hdr.function_code, function_code, sizeof(msg->hdr.function_code));
/* copy data block */
if (xcRB->request_data_length &&
copy_from_user(req_data, xcRB->request_data_address,
xcRB->request_data_length))
return -EFAULT;
return 0;
}
/**
* Copy results from a type 86 ICA reply message back to user space.
*
@ -363,6 +474,37 @@ static int convert_type86_ica(struct zcrypt_device *zdev,
return 0;
}
/**
* Copy results from a type 86 XCRB reply message back to user space.
*
* @zdev: crypto device pointer
* @reply: reply AP message.
* @xcRB: pointer to XCRB
*
* Returns 0 on success or -EINVAL, -EFAULT, -EAGAIN in case of an error.
*/
static int convert_type86_xcrb(struct zcrypt_device *zdev,
struct ap_message *reply,
struct ica_xcRB *xcRB)
{
struct type86_fmt2_msg *msg = reply->message;
char *data = reply->message;
/* Copy CPRB to user */
if (copy_to_user(xcRB->reply_control_blk_addr,
data + msg->fmt2.offset1, msg->fmt2.count1))
return -EFAULT;
xcRB->reply_control_blk_length = msg->fmt2.count1;
/* Copy data buffer to user */
if (msg->fmt2.count2)
if (copy_to_user(xcRB->reply_data_addr,
data + msg->fmt2.offset2, msg->fmt2.count2))
return -EFAULT;
xcRB->reply_data_length = msg->fmt2.count2;
return 0;
}
static int convert_response_ica(struct zcrypt_device *zdev,
struct ap_message *reply,
char __user *outputdata,
@ -391,6 +533,36 @@ static int convert_response_ica(struct zcrypt_device *zdev,
}
}
static int convert_response_xcrb(struct zcrypt_device *zdev,
struct ap_message *reply,
struct ica_xcRB *xcRB)
{
struct type86x_reply *msg = reply->message;
/* Response type byte is the second byte in the response. */
switch (((unsigned char *) reply->message)[1]) {
case TYPE82_RSP_CODE:
case TYPE88_RSP_CODE:
xcRB->status = 0x0008044DL; /* HDD_InvalidParm */
return convert_error(zdev, reply);
case TYPE86_RSP_CODE:
if (msg->hdr.reply_code) {
memcpy(&(xcRB->status), msg->fmt2.apfs, sizeof(u32));
return convert_error(zdev, reply);
}
if (msg->cprbx.cprb_ver_id == 0x02)
return convert_type86_xcrb(zdev, reply, xcRB);
/* no break, incorrect cprb version is an unknown response */
default: /* Unknown response type, this should NEVER EVER happen */
PRINTK("Unrecognized Message Header: %08x%08x\n",
*(unsigned int *) reply->message,
*(unsigned int *) (reply->message+4));
xcRB->status = 0x0008044DL; /* HDD_InvalidParm */
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".
@ -407,6 +579,8 @@ static void zcrypt_pcixcc_receive(struct ap_device *ap_dev,
.type = TYPE82_RSP_CODE,
.reply_code = REP82_ERROR_MACHINE_FAILURE,
};
struct response_type *resp_type =
(struct response_type *) msg->private;
struct type86x_reply *t86r = reply->message;
int length;
@ -415,12 +589,27 @@ static void zcrypt_pcixcc_receive(struct ap_device *ap_dev,
memcpy(msg->message, &error_reply, sizeof(error_reply));
else if (t86r->hdr.type == TYPE86_RSP_CODE &&
t86r->cprbx.cprb_ver_id == 0x02) {
length = sizeof(struct type86x_reply) + t86r->length - 2;
length = min(PCIXCC_MAX_ICA_RESPONSE_SIZE, length);
memcpy(msg->message, reply->message, length);
switch (resp_type->type) {
case PCIXCC_RESPONSE_TYPE_ICA:
length = sizeof(struct type86x_reply)
+ t86r->length - 2;
length = min(PCIXCC_MAX_ICA_RESPONSE_SIZE, length);
memcpy(msg->message, reply->message, length);
break;
case PCIXCC_RESPONSE_TYPE_XCRB:
length = t86r->fmt2.offset2 + t86r->fmt2.count2;
length = min(PCIXCC_MAX_XCRB_RESPONSE_SIZE, length);
memcpy(msg->message, reply->message, length);
break;
default:
PRINTK("Invalid internal response type: %i\n",
resp_type->type);
memcpy(msg->message, &error_reply,
sizeof error_reply);
}
} else
memcpy(msg->message, reply->message, sizeof error_reply);
complete((struct completion *) msg->private);
complete(&(resp_type->work));
}
static atomic_t zcrypt_step = ATOMIC_INIT(0);
@ -436,7 +625,9 @@ static long zcrypt_pcixcc_modexpo(struct zcrypt_device *zdev,
struct ica_rsa_modexpo *mex)
{
struct ap_message ap_msg;
struct completion work;
struct response_type resp_type = {
.type = PCIXCC_RESPONSE_TYPE_ICA,
};
int rc;
ap_msg.message = (void *) get_zeroed_page(GFP_KERNEL);
@ -444,14 +635,14 @@ static long zcrypt_pcixcc_modexpo(struct zcrypt_device *zdev,
return -ENOMEM;
ap_msg.psmid = (((unsigned long long) current->pid) << 32) +
atomic_inc_return(&zcrypt_step);
ap_msg.private = &work;
ap_msg.private = &resp_type;
rc = ICAMEX_msg_to_type6MEX_msgX(zdev, &ap_msg, mex);
if (rc)
goto out_free;
init_completion(&work);
init_completion(&resp_type.work);
ap_queue_message(zdev->ap_dev, &ap_msg);
rc = wait_for_completion_interruptible_timeout(
&work, PCIXCC_CLEANUP_TIME);
&resp_type.work, PCIXCC_CLEANUP_TIME);
if (rc > 0)
rc = convert_response_ica(zdev, &ap_msg, mex->outputdata,
mex->outputdatalength);
@ -478,7 +669,9 @@ static long zcrypt_pcixcc_modexpo_crt(struct zcrypt_device *zdev,
struct ica_rsa_modexpo_crt *crt)
{
struct ap_message ap_msg;
struct completion work;
struct response_type resp_type = {
.type = PCIXCC_RESPONSE_TYPE_ICA,
};
int rc;
ap_msg.message = (void *) get_zeroed_page(GFP_KERNEL);
@ -486,14 +679,14 @@ static long zcrypt_pcixcc_modexpo_crt(struct zcrypt_device *zdev,
return -ENOMEM;
ap_msg.psmid = (((unsigned long long) current->pid) << 32) +
atomic_inc_return(&zcrypt_step);
ap_msg.private = &work;
ap_msg.private = &resp_type;
rc = ICACRT_msg_to_type6CRT_msgX(zdev, &ap_msg, crt);
if (rc)
goto out_free;
init_completion(&work);
init_completion(&resp_type.work);
ap_queue_message(zdev->ap_dev, &ap_msg);
rc = wait_for_completion_interruptible_timeout(
&work, PCIXCC_CLEANUP_TIME);
&resp_type.work, PCIXCC_CLEANUP_TIME);
if (rc > 0)
rc = convert_response_ica(zdev, &ap_msg, crt->outputdata,
crt->outputdatalength);
@ -509,12 +702,56 @@ out_free:
return rc;
}
/**
* The request distributor calls this function if it picked the PCIXCC/CEX2C
* device to handle a send_cprb request.
* @zdev: pointer to zcrypt_device structure that identifies the
* PCIXCC/CEX2C device to the request distributor
* @xcRB: pointer to the send_cprb request buffer
*/
long zcrypt_pcixcc_send_cprb(struct zcrypt_device *zdev, struct ica_xcRB *xcRB)
{
struct ap_message ap_msg;
struct response_type resp_type = {
.type = PCIXCC_RESPONSE_TYPE_XCRB,
};
int rc;
ap_msg.message = (void *) kmalloc(PCIXCC_MAX_XCRB_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 = &resp_type;
rc = XCRB_msg_to_type6CPRB_msgX(zdev, &ap_msg, xcRB);
if (rc)
goto out_free;
init_completion(&resp_type.work);
ap_queue_message(zdev->ap_dev, &ap_msg);
rc = wait_for_completion_interruptible_timeout(
&resp_type.work, PCIXCC_CLEANUP_TIME);
if (rc > 0)
rc = convert_response_xcrb(zdev, &ap_msg, xcRB);
else {
/* Signal pending or message timed out. */
ap_cancel_message(zdev->ap_dev, &ap_msg);
if (rc == 0)
/* Message timed out. */
rc = -ETIME;
}
out_free:
memset(ap_msg.message, 0x0, ap_msg.length);
kfree(ap_msg.message);
return rc;
}
/**
* The crypto operations for a PCIXCC/CEX2C card.
*/
static struct zcrypt_ops zcrypt_pcixcc_ops = {
.rsa_modexpo = zcrypt_pcixcc_modexpo,
.rsa_modexpo_crt = zcrypt_pcixcc_modexpo_crt,
.send_cprb = zcrypt_pcixcc_send_cprb,
};
/**

2
drivers/s390/crypto/zcrypt_pcixcc.h
View File

@ -1,7 +1,7 @@
/*
* linux/drivers/s390/crypto/zcrypt_pcixcc.h
*
* zcrypt 2.0.0
* zcrypt 2.1.0
*
* Copyright (C) 2001, 2006 IBM Corporation
* Author(s): Robert Burroughs

80
include/asm-s390/zcrypt.h
View File

@ -1,7 +1,7 @@
/*
* include/asm-s390/zcrypt.h
*
* zcrypt 2.0.0 (user-visible header)
* zcrypt 2.1.0 (user-visible header)
*
* Copyright (C) 2001, 2006 IBM Corporation
* Author(s): Robert Burroughs
@ -79,6 +79,83 @@ struct ica_rsa_modexpo_crt {
char __user * u_mult_inv;
};
/**
* CPRBX
* Note that all shorts and ints are big-endian.
* All pointer fields are 16 bytes 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 ica_CPRBX {
unsigned short cprb_len; /* CPRB length 220 */
unsigned char cprb_ver_id; /* CPRB version id. 0x02 */
unsigned char pad_000[3]; /* Alignment pad bytes */
unsigned char func_id[2]; /* function id 0x5432 */
unsigned char cprb_flags[4]; /* Flags */
unsigned int req_parml; /* request parameter buffer len */
unsigned int req_datal; /* request data buffer */
unsigned int rpl_msgbl; /* reply message block length */
unsigned int rpld_parml; /* replied parameter block len */
unsigned int rpl_datal; /* reply data block len */
unsigned int rpld_datal; /* replied data block len */
unsigned int req_extbl; /* request extension block len */
unsigned char pad_001[4]; /* reserved */
unsigned int rpld_extbl; /* replied extension block len */
unsigned char padx000[16 - sizeof (char *)];
unsigned char * req_parmb; /* request parm block 'address' */
unsigned char padx001[16 - sizeof (char *)];
unsigned char * req_datab; /* request data block 'address' */
unsigned char padx002[16 - sizeof (char *)];
unsigned char * rpl_parmb; /* reply parm block 'address' */
unsigned char padx003[16 - sizeof (char *)];
unsigned char * rpl_datab; /* reply data block 'address' */
unsigned char padx004[16 - sizeof (char *)];
unsigned char * req_extb; /* request extension block 'addr'*/
unsigned char padx005[16 - sizeof (char *)];
unsigned char * rpl_extb; /* reply extension block 'addres'*/
unsigned short ccp_rtcode; /* server return code */
unsigned short ccp_rscode; /* server reason code */
unsigned int mac_data_len; /* Mac Data Length */
unsigned char logon_id[8]; /* Logon Identifier */
unsigned char mac_value[8]; /* Mac Value */
unsigned char mac_content_flgs;/* Mac content flag byte */
unsigned char pad_002; /* Alignment */
unsigned short domain; /* Domain */
unsigned char usage_domain[4];/* Usage domain */
unsigned char cntrl_domain[4];/* Control domain */
unsigned char S390enf_mask[4];/* S/390 enforcement mask */
unsigned char pad_004[36]; /* reserved */
};
/**
* xcRB
*/
struct ica_xcRB {
unsigned short agent_ID;
unsigned int user_defined;
unsigned short request_ID;
unsigned int request_control_blk_length;
unsigned char padding1[16 - sizeof (char *)];
char __user * request_control_blk_addr;
unsigned int request_data_length;
char padding2[16 - sizeof (char *)];
char __user * request_data_address;
unsigned int reply_control_blk_length;
char padding3[16 - sizeof (char *)];
char __user * reply_control_blk_addr;
unsigned int reply_data_length;
char padding4[16 - sizeof (char *)];
char __user * reply_data_addr;
unsigned short priority_window;
unsigned int status;
} __attribute__((packed));
#define AUTOSELECT ((unsigned int)0xFFFFFFFF)
#define ZCRYPT_IOCTL_MAGIC 'z'
/**
@ -187,6 +264,7 @@ struct ica_rsa_modexpo_crt {
*/
#define ICARSAMODEXPO _IOC(_IOC_READ|_IOC_WRITE, ZCRYPT_IOCTL_MAGIC, 0x05, 0)
#define ICARSACRT _IOC(_IOC_READ|_IOC_WRITE, ZCRYPT_IOCTL_MAGIC, 0x06, 0)
#define ZSECSENDCPRB _IOC(_IOC_READ|_IOC_WRITE, ZCRYPT_IOCTL_MAGIC, 0x81, 0)
/* New status calls */
#define Z90STAT_TOTALCOUNT _IOR(ZCRYPT_IOCTL_MAGIC, 0x40, int)