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crypto/qat: verify session IOVA

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This patch adds the verification of the crypto session IOVA
that should be known (not zero) to proceed with the
session initialisation. In case of unknown IOVA
the error code -EINVAL is returned.

Signed-off-by: Adam Dybkowski <adamx.dybkowski@intel.com>
Acked-by: Fiona Trahe <fiona.trahe@intel.com>
This commit is contained in:
Adam Dybkowski 2020-06-08 15:15:03 +02:00 committed by Akhil Goyal
parent 53bf0ffd51
commit b9e3ac6964
1 changed files with 9 additions and 1 deletions
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10
drivers/crypto/qat/qat_sym_session.c
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@ -537,8 +537,16 @@ qat_sym_session_set_parameters(struct rte_cryptodev *dev,
int ret;
int qat_cmd_id;
/* Verify the session physical address is known */
rte_iova_t session_paddr = rte_mempool_virt2iova(session);
if (session_paddr == 0 || session_paddr == RTE_BAD_IOVA) {
QAT_LOG(ERR,
"Session physical address unknown. Bad memory pool.");
return -EINVAL;
}
/* Set context descriptor physical address */
session->cd_paddr = rte_mempool_virt2iova(session) +
session->cd_paddr = session_paddr +
offsetof(struct qat_sym_session, cd);
session->min_qat_dev_gen = QAT_GEN1;