diff options
Diffstat (limited to 'drivers/s390/crypto/zcrypt_api.c')
| -rw-r--r-- | drivers/s390/crypto/zcrypt_api.c | 46 |
1 files changed, 28 insertions, 18 deletions
diff --git a/drivers/s390/crypto/zcrypt_api.c b/drivers/s390/crypto/zcrypt_api.c index 223e1c233278..ab18e847cee7 100644 --- a/drivers/s390/crypto/zcrypt_api.c +++ b/drivers/s390/crypto/zcrypt_api.c @@ -663,8 +663,9 @@ static long zcrypt_rsa_modexpo(struct ap_perms *perms, pref_zq = NULL; spin_lock(&zcrypt_list_lock); for_each_zcrypt_card(zc) { - /* Check for online accelarator and CCA cards */ - if (!zc->online || !(zc->card->functions & 0x18000000)) + /* Check for useable accelarator or CCA card */ + if (!zc->online || !zc->card->config || + !(zc->card->functions & 0x18000000)) continue; /* Check for size limits */ if (zc->min_mod_size > mex->inputdatalength || @@ -682,8 +683,9 @@ static long zcrypt_rsa_modexpo(struct ap_perms *perms, if (!zcrypt_card_compare(zc, pref_zc, wgt + cpen, pref_wgt)) continue; for_each_zcrypt_queue(zq, zc) { - /* check if device is online and eligible */ - if (!zq->online || !zq->ops->rsa_modexpo) + /* check if device is useable and eligible */ + if (!zq->online || !zq->ops->rsa_modexpo || + !zq->queue->config) continue; /* check if device node has admission for this queue */ if (!zcrypt_check_queue(perms, @@ -760,8 +762,9 @@ static long zcrypt_rsa_crt(struct ap_perms *perms, pref_zq = NULL; spin_lock(&zcrypt_list_lock); for_each_zcrypt_card(zc) { - /* Check for online accelarator and CCA cards */ - if (!zc->online || !(zc->card->functions & 0x18000000)) + /* Check for useable accelarator or CCA card */ + if (!zc->online || !zc->card->config || + !(zc->card->functions & 0x18000000)) continue; /* Check for size limits */ if (zc->min_mod_size > crt->inputdatalength || @@ -779,8 +782,9 @@ static long zcrypt_rsa_crt(struct ap_perms *perms, if (!zcrypt_card_compare(zc, pref_zc, wgt + cpen, pref_wgt)) continue; for_each_zcrypt_queue(zq, zc) { - /* check if device is online and eligible */ - if (!zq->online || !zq->ops->rsa_modexpo_crt) + /* check if device is useable and eligible */ + if (!zq->online || !zq->ops->rsa_modexpo_crt || + !zq->queue->config) continue; /* check if device node has admission for this queue */ if (!zcrypt_check_queue(perms, @@ -859,8 +863,9 @@ static long _zcrypt_send_cprb(bool userspace, struct ap_perms *perms, pref_zq = NULL; spin_lock(&zcrypt_list_lock); for_each_zcrypt_card(zc) { - /* Check for online CCA cards */ - if (!zc->online || !(zc->card->functions & 0x10000000)) + /* Check for useable CCA card */ + if (!zc->online || !zc->card->config || + !(zc->card->functions & 0x10000000)) continue; /* Check for user selected CCA card */ if (xcRB->user_defined != AUTOSELECT && @@ -878,9 +883,10 @@ static long _zcrypt_send_cprb(bool userspace, struct ap_perms *perms, if (!zcrypt_card_compare(zc, pref_zc, wgt + cpen, pref_wgt)) continue; for_each_zcrypt_queue(zq, zc) { - /* check if device is online and eligible */ + /* check for device useable and eligible */ if (!zq->online || !zq->ops->send_cprb || + !zq->queue->config || (tdom != AUTOSEL_DOM && tdom != AP_QID_QUEUE(zq->queue->qid))) continue; @@ -1012,8 +1018,9 @@ static long _zcrypt_send_ep11_cprb(bool userspace, struct ap_perms *perms, pref_zq = NULL; spin_lock(&zcrypt_list_lock); for_each_zcrypt_card(zc) { - /* Check for online EP11 cards */ - if (!zc->online || !(zc->card->functions & 0x04000000)) + /* Check for useable EP11 card */ + if (!zc->online || !zc->card->config || + !(zc->card->functions & 0x04000000)) continue; /* Check for user selected EP11 card */ if (targets && @@ -1031,9 +1038,10 @@ static long _zcrypt_send_ep11_cprb(bool userspace, struct ap_perms *perms, if (!zcrypt_card_compare(zc, pref_zc, wgt + cpen, pref_wgt)) continue; for_each_zcrypt_queue(zq, zc) { - /* check if device is online and eligible */ + /* check if device is useable and eligible */ if (!zq->online || !zq->ops->send_ep11_cprb || + !zq->queue->config || (targets && !is_desired_ep11_queue(zq->queue->qid, target_num, targets))) @@ -1110,16 +1118,18 @@ static long zcrypt_rng(char *buffer) pref_zq = NULL; spin_lock(&zcrypt_list_lock); for_each_zcrypt_card(zc) { - /* Check for online CCA cards */ - if (!zc->online || !(zc->card->functions & 0x10000000)) + /* Check for useable CCA card */ + if (!zc->online || !zc->card->config || + !(zc->card->functions & 0x10000000)) continue; /* get weight index of the card device */ wgt = zc->speed_rating[func_code]; if (!zcrypt_card_compare(zc, pref_zc, wgt, pref_wgt)) continue; for_each_zcrypt_queue(zq, zc) { - /* check if device is online and eligible */ - if (!zq->online || !zq->ops->rng) + /* check if device is useable and eligible */ + if (!zq->online || !zq->ops->rng || + !zq->queue->config) continue; if (!zcrypt_queue_compare(zq, pref_zq, wgt, pref_wgt)) continue; |