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crypto: hisilicon/qm - SVA bugfixed on Kunpeng920

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Kunpeng920 SEC/HPRE/ZIP cannot support running user space SVA and kernel
Crypto at the same time. Therefore, the algorithms should not be registered
to Crypto as user space SVA is enabled.

Signed-off-by: Kai Ye <yekai13@huawei.com>
Reviewed-by: Zaibo Xu <xuzaibo@huawei.com>
Reviewed-by: Zhou Wang <wangzhou1@hisilicon.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Kai Ye 2021-01-05 14:12:03 +08:00 committed by Herbert Xu
parent f7f2b43eaf
commit 0d61c3f144
1 changed files with 6 additions and 0 deletions
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6
drivers/crypto/hisilicon/qm.c
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@ -4004,6 +4004,9 @@ int hisi_qm_alg_register(struct hisi_qm *qm, struct hisi_qm_list *qm_list)
{
int flag = 0;
int ret = 0;
/* HW V2 not support both use uacce sva mode and hardware crypto algs */
if (qm->ver <= QM_HW_V2 && qm->use_sva)
return 0;
mutex_lock(&qm_list->lock);
if (list_empty(&qm_list->list))
@ -4035,6 +4038,9 @@ EXPORT_SYMBOL_GPL(hisi_qm_alg_register);
*/
void hisi_qm_alg_unregister(struct hisi_qm *qm, struct hisi_qm_list *qm_list)
{
if (qm->ver <= QM_HW_V2 && qm->use_sva)
return;
mutex_lock(&qm_list->lock);
list_del(&qm->list);
mutex_unlock(&qm_list->lock);