Allocate an extra memory page for qp. This extra page is used to set the device or qp status. But this page not be used currently. Meanwhile it leads to dus size not equal to mmap size as using uacce sva mode, and cause the app task broken. Signed-off-by: Kai Ye <yekai13@xxxxxxxxxx> --- drivers/crypto/hisilicon/qm.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/crypto/hisilicon/qm.c b/drivers/crypto/hisilicon/qm.c index 369562d..2bd25bf 100644 --- a/drivers/crypto/hisilicon/qm.c +++ b/drivers/crypto/hisilicon/qm.c @@ -3122,8 +3122,10 @@ static int qm_alloc_uacce(struct hisi_qm *qm) else mmio_page_nr = qm->db_interval / PAGE_SIZE; + /* Add one more page for device or qp status */ dus_page_nr = (PAGE_SIZE - 1 + qm->sqe_size * QM_Q_DEPTH + - sizeof(struct qm_cqe) * QM_Q_DEPTH) >> PAGE_SHIFT; + sizeof(struct qm_cqe) * QM_Q_DEPTH + PAGE_SIZE) >> + PAGE_SHIFT; uacce->qf_pg_num[UACCE_QFRT_MMIO] = mmio_page_nr; uacce->qf_pg_num[UACCE_QFRT_DUS] = dus_page_nr; -- 2.7.4
