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path: root/drivers/s390/crypto
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-rw-r--r--drivers/s390/crypto/zcrypt_api.c12
-rw-r--r--drivers/s390/crypto/zcrypt_api.h6
-rw-r--r--drivers/s390/crypto/zcrypt_msgtype50.c74
-rw-r--r--drivers/s390/crypto/zcrypt_msgtype6.c62
4 files changed, 82 insertions, 72 deletions
diff --git a/drivers/s390/crypto/zcrypt_api.c b/drivers/s390/crypto/zcrypt_api.c
index ab18e847cee7..d642be65a3a0 100644
--- a/drivers/s390/crypto/zcrypt_api.c
+++ b/drivers/s390/crypto/zcrypt_api.c
@@ -635,6 +635,7 @@ static long zcrypt_rsa_modexpo(struct ap_perms *perms,
{
struct zcrypt_card *zc, *pref_zc;
struct zcrypt_queue *zq, *pref_zq;
+ struct ap_message ap_msg;
unsigned int wgt = 0, pref_wgt = 0;
unsigned int func_code;
int cpen, qpen, qid = 0, rc = -ENODEV;
@@ -642,6 +643,8 @@ static long zcrypt_rsa_modexpo(struct ap_perms *perms,
trace_s390_zcrypt_req(mex, TP_ICARSAMODEXPO);
+ ap_init_message(&ap_msg);
+
if (mex->outputdatalength < mex->inputdatalength) {
func_code = 0;
rc = -EINVAL;
@@ -712,13 +715,14 @@ static long zcrypt_rsa_modexpo(struct ap_perms *perms,
}
qid = pref_zq->queue->qid;
- rc = pref_zq->ops->rsa_modexpo(pref_zq, mex);
+ rc = pref_zq->ops->rsa_modexpo(pref_zq, mex, &ap_msg);
spin_lock(&zcrypt_list_lock);
zcrypt_drop_queue(pref_zc, pref_zq, mod, wgt);
spin_unlock(&zcrypt_list_lock);
out:
+ ap_release_message(&ap_msg);
if (tr) {
tr->last_rc = rc;
tr->last_qid = qid;
@@ -734,6 +738,7 @@ static long zcrypt_rsa_crt(struct ap_perms *perms,
{
struct zcrypt_card *zc, *pref_zc;
struct zcrypt_queue *zq, *pref_zq;
+ struct ap_message ap_msg;
unsigned int wgt = 0, pref_wgt = 0;
unsigned int func_code;
int cpen, qpen, qid = 0, rc = -ENODEV;
@@ -741,6 +746,8 @@ static long zcrypt_rsa_crt(struct ap_perms *perms,
trace_s390_zcrypt_req(crt, TP_ICARSACRT);
+ ap_init_message(&ap_msg);
+
if (crt->outputdatalength < crt->inputdatalength) {
func_code = 0;
rc = -EINVAL;
@@ -811,13 +818,14 @@ static long zcrypt_rsa_crt(struct ap_perms *perms,
}
qid = pref_zq->queue->qid;
- rc = pref_zq->ops->rsa_modexpo_crt(pref_zq, crt);
+ rc = pref_zq->ops->rsa_modexpo_crt(pref_zq, crt, &ap_msg);
spin_lock(&zcrypt_list_lock);
zcrypt_drop_queue(pref_zc, pref_zq, mod, wgt);
spin_unlock(&zcrypt_list_lock);
out:
+ ap_release_message(&ap_msg);
if (tr) {
tr->last_rc = rc;
tr->last_qid = qid;
diff --git a/drivers/s390/crypto/zcrypt_api.h b/drivers/s390/crypto/zcrypt_api.h
index 263ed1735431..03804f03b5d0 100644
--- a/drivers/s390/crypto/zcrypt_api.h
+++ b/drivers/s390/crypto/zcrypt_api.h
@@ -68,9 +68,11 @@ struct zcrypt_track {
#define TRACK_AGAIN_QUEUE_WEIGHT_PENALTY 10000
struct zcrypt_ops {
- long (*rsa_modexpo)(struct zcrypt_queue *, struct ica_rsa_modexpo *);
+ long (*rsa_modexpo)(struct zcrypt_queue *, struct ica_rsa_modexpo *,
+ struct ap_message *);
long (*rsa_modexpo_crt)(struct zcrypt_queue *,
- struct ica_rsa_modexpo_crt *);
+ struct ica_rsa_modexpo_crt *,
+ struct ap_message *);
long (*send_cprb)(bool userspace, struct zcrypt_queue *, struct ica_xcRB *,
struct ap_message *);
long (*send_ep11_cprb)(bool userspace, struct zcrypt_queue *, struct ep11_urb *,
diff --git a/drivers/s390/crypto/zcrypt_msgtype50.c b/drivers/s390/crypto/zcrypt_msgtype50.c
index 0f7f404ed858..c543b5959509 100644
--- a/drivers/s390/crypto/zcrypt_msgtype50.c
+++ b/drivers/s390/crypto/zcrypt_msgtype50.c
@@ -450,42 +450,41 @@ static atomic_t zcrypt_step = ATOMIC_INIT(0);
* @mex: pointer to the modexpo request buffer
*/
static long zcrypt_cex2a_modexpo(struct zcrypt_queue *zq,
- struct ica_rsa_modexpo *mex)
+ struct ica_rsa_modexpo *mex,
+ struct ap_message *ap_msg)
{
- struct ap_message ap_msg;
struct completion work;
int rc;
- ap_init_message(&ap_msg);
if (zq->zcard->user_space_type == ZCRYPT_CEX2A)
- ap_msg.msg = kmalloc(MSGTYPE50_CRB2_MAX_MSG_SIZE, GFP_KERNEL);
+ ap_msg->msg = kmalloc(MSGTYPE50_CRB2_MAX_MSG_SIZE, GFP_KERNEL);
else
- ap_msg.msg = kmalloc(MSGTYPE50_CRB3_MAX_MSG_SIZE, GFP_KERNEL);
- if (!ap_msg.msg)
+ ap_msg->msg = kmalloc(MSGTYPE50_CRB3_MAX_MSG_SIZE, GFP_KERNEL);
+ if (!ap_msg->msg)
return -ENOMEM;
- ap_msg.receive = zcrypt_cex2a_receive;
- ap_msg.psmid = (((unsigned long long) current->pid) << 32) +
- atomic_inc_return(&zcrypt_step);
- ap_msg.private = &work;
- rc = ICAMEX_msg_to_type50MEX_msg(zq, &ap_msg, mex);
+ ap_msg->receive = zcrypt_cex2a_receive;
+ ap_msg->psmid = (((unsigned long long) current->pid) << 32) +
+ atomic_inc_return(&zcrypt_step);
+ ap_msg->private = &work;
+ rc = ICAMEX_msg_to_type50MEX_msg(zq, ap_msg, mex);
if (rc)
- goto out_free;
+ goto out;
init_completion(&work);
- rc = ap_queue_message(zq->queue, &ap_msg);
+ rc = ap_queue_message(zq->queue, ap_msg);
if (rc)
- goto out_free;
+ goto out;
rc = wait_for_completion_interruptible(&work);
if (rc == 0) {
- rc = ap_msg.rc;
+ rc = ap_msg->rc;
if (rc == 0)
- rc = convert_response_cex2a(zq, &ap_msg,
+ rc = convert_response_cex2a(zq, ap_msg,
mex->outputdata,
mex->outputdatalength);
} else
/* Signal pending. */
- ap_cancel_message(zq->queue, &ap_msg);
-out_free:
- kfree(ap_msg.msg);
+ ap_cancel_message(zq->queue, ap_msg);
+out:
+ ap_msg->private = NULL;
return rc;
}
@@ -497,42 +496,41 @@ out_free:
* @crt: pointer to the modexpoc_crt request buffer
*/
static long zcrypt_cex2a_modexpo_crt(struct zcrypt_queue *zq,
- struct ica_rsa_modexpo_crt *crt)
+ struct ica_rsa_modexpo_crt *crt,
+ struct ap_message *ap_msg)
{
- struct ap_message ap_msg;
struct completion work;
int rc;
- ap_init_message(&ap_msg);
if (zq->zcard->user_space_type == ZCRYPT_CEX2A)
- ap_msg.msg = kmalloc(MSGTYPE50_CRB2_MAX_MSG_SIZE, GFP_KERNEL);
+ ap_msg->msg = kmalloc(MSGTYPE50_CRB2_MAX_MSG_SIZE, GFP_KERNEL);
else
- ap_msg.msg = kmalloc(MSGTYPE50_CRB3_MAX_MSG_SIZE, GFP_KERNEL);
- if (!ap_msg.msg)
+ ap_msg->msg = kmalloc(MSGTYPE50_CRB3_MAX_MSG_SIZE, GFP_KERNEL);
+ if (!ap_msg->msg)
return -ENOMEM;
- ap_msg.receive = zcrypt_cex2a_receive;
- ap_msg.psmid = (((unsigned long long) current->pid) << 32) +
- atomic_inc_return(&zcrypt_step);
- ap_msg.private = &work;
- rc = ICACRT_msg_to_type50CRT_msg(zq, &ap_msg, crt);
+ ap_msg->receive = zcrypt_cex2a_receive;
+ ap_msg->psmid = (((unsigned long long) current->pid) << 32) +
+ atomic_inc_return(&zcrypt_step);
+ ap_msg->private = &work;
+ rc = ICACRT_msg_to_type50CRT_msg(zq, ap_msg, crt);
if (rc)
- goto out_free;
+ goto out;
init_completion(&work);
- rc = ap_queue_message(zq->queue, &ap_msg);
+ rc = ap_queue_message(zq->queue, ap_msg);
if (rc)
- goto out_free;
+ goto out;
rc = wait_for_completion_interruptible(&work);
if (rc == 0) {
- rc = ap_msg.rc;
+ rc = ap_msg->rc;
if (rc == 0)
- rc = convert_response_cex2a(zq, &ap_msg,
+ rc = convert_response_cex2a(zq, ap_msg,
crt->outputdata,
crt->outputdatalength);
} else
/* Signal pending. */
- ap_cancel_message(zq->queue, &ap_msg);
-out_free:
- kfree(ap_msg.msg);
+ ap_cancel_message(zq->queue, ap_msg);
+out:
+ ap_msg->private = NULL;
return rc;
}
diff --git a/drivers/s390/crypto/zcrypt_msgtype6.c b/drivers/s390/crypto/zcrypt_msgtype6.c
index 30eaa7a7aede..aab7f0692035 100644
--- a/drivers/s390/crypto/zcrypt_msgtype6.c
+++ b/drivers/s390/crypto/zcrypt_msgtype6.c
@@ -1007,41 +1007,42 @@ static atomic_t zcrypt_step = ATOMIC_INIT(0);
* @mex: pointer to the modexpo request buffer
*/
static long zcrypt_msgtype6_modexpo(struct zcrypt_queue *zq,
- struct ica_rsa_modexpo *mex)
+ struct ica_rsa_modexpo *mex,
+ struct ap_message *ap_msg)
{
- struct ap_message ap_msg;
struct response_type resp_type = {
.type = CEXXC_RESPONSE_TYPE_ICA,
};
int rc;
- ap_init_message(&ap_msg);
- ap_msg.msg = (void *) get_zeroed_page(GFP_KERNEL);
- if (!ap_msg.msg)
+ ap_msg->msg = (void *) get_zeroed_page(GFP_KERNEL);
+ if (!ap_msg->msg)
return -ENOMEM;
- ap_msg.receive = zcrypt_msgtype6_receive;
- ap_msg.psmid = (((unsigned long long) current->pid) << 32) +
- atomic_inc_return(&zcrypt_step);
- ap_msg.private = &resp_type;
- rc = ICAMEX_msg_to_type6MEX_msgX(zq, &ap_msg, mex);
+ ap_msg->receive = zcrypt_msgtype6_receive;
+ ap_msg->psmid = (((unsigned long long) current->pid) << 32) +
+ atomic_inc_return(&zcrypt_step);
+ ap_msg->private = &resp_type;
+ rc = ICAMEX_msg_to_type6MEX_msgX(zq, ap_msg, mex);
if (rc)
goto out_free;
init_completion(&resp_type.work);
- rc = ap_queue_message(zq->queue, &ap_msg);
+ rc = ap_queue_message(zq->queue, ap_msg);
if (rc)
goto out_free;
rc = wait_for_completion_interruptible(&resp_type.work);
if (rc == 0) {
- rc = ap_msg.rc;
+ rc = ap_msg->rc;
if (rc == 0)
- rc = convert_response_ica(zq, &ap_msg,
+ rc = convert_response_ica(zq, ap_msg,
mex->outputdata,
mex->outputdatalength);
} else
/* Signal pending. */
- ap_cancel_message(zq->queue, &ap_msg);
+ ap_cancel_message(zq->queue, ap_msg);
out_free:
- free_page((unsigned long) ap_msg.msg);
+ free_page((unsigned long) ap_msg->msg);
+ ap_msg->private = NULL;
+ ap_msg->msg = NULL;
return rc;
}
@@ -1053,42 +1054,43 @@ out_free:
* @crt: pointer to the modexpoc_crt request buffer
*/
static long zcrypt_msgtype6_modexpo_crt(struct zcrypt_queue *zq,
- struct ica_rsa_modexpo_crt *crt)
+ struct ica_rsa_modexpo_crt *crt,
+ struct ap_message *ap_msg)
{
- struct ap_message ap_msg;
struct response_type resp_type = {
.type = CEXXC_RESPONSE_TYPE_ICA,
};
int rc;
- ap_init_message(&ap_msg);
- ap_msg.msg = (void *) get_zeroed_page(GFP_KERNEL);
- if (!ap_msg.msg)
+ ap_msg->msg = (void *) get_zeroed_page(GFP_KERNEL);
+ if (!ap_msg->msg)
return -ENOMEM;
- ap_msg.receive = zcrypt_msgtype6_receive;
- ap_msg.psmid = (((unsigned long long) current->pid) << 32) +
- atomic_inc_return(&zcrypt_step);
- ap_msg.private = &resp_type;
- rc = ICACRT_msg_to_type6CRT_msgX(zq, &ap_msg, crt);
+ ap_msg->receive = zcrypt_msgtype6_receive;
+ ap_msg->psmid = (((unsigned long long) current->pid) << 32) +
+ atomic_inc_return(&zcrypt_step);
+ ap_msg->private = &resp_type;
+ rc = ICACRT_msg_to_type6CRT_msgX(zq, ap_msg, crt);
if (rc)
goto out_free;
init_completion(&resp_type.work);
- rc = ap_queue_message(zq->queue, &ap_msg);
+ rc = ap_queue_message(zq->queue, ap_msg);
if (rc)
goto out_free;
rc = wait_for_completion_interruptible(&resp_type.work);
if (rc == 0) {
- rc = ap_msg.rc;
+ rc = ap_msg->rc;
if (rc == 0)
- rc = convert_response_ica(zq, &ap_msg,
+ rc = convert_response_ica(zq, ap_msg,
crt->outputdata,
crt->outputdatalength);
} else {
/* Signal pending. */
- ap_cancel_message(zq->queue, &ap_msg);
+ ap_cancel_message(zq->queue, ap_msg);
}
out_free:
- free_page((unsigned long) ap_msg.msg);
+ free_page((unsigned long) ap_msg->msg);
+ ap_msg->private = NULL;
+ ap_msg->msg = NULL;
return rc;
}
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