diff mbox series

[v7,15/16] compress/qat: prevent device usage if incorrect firmware

Message ID 20180713022825.33106-16-pablo.de.lara.guarch@intel.com (mailing list archive)
State Accepted, archived
Delegated to: Pablo de Lara Guarch
Headers
Series compress/qat: add compression PMD |

Checks

Context Check Description
ci/checkpatch success coding style OK
ci/Intel-compilation success Compilation OK

Commit Message

De Lara Guarch, Pablo July 13, 2018, 2:28 a.m. UTC 
  From: Fiona Trahe <fiona.trahe@intel.com>

Previous check only causes op to fail on dequeue.
This extends so once first fail is detected, application can
no longer enqueue ops to the device and will also get an
appropriate error if trying to reconfigure or setup the device.

Signed-off-by: Tomasz Jozwiak <tomaszx.jozwiak@intel.com>
Signed-off-by: Fiona Trahe <fiona.trahe@intel.com>
---
 drivers/compress/qat/qat_comp_pmd.c | 57 ++++++++++++++++++++++++++++++++++++-
 1 file changed, 56 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/compress/qat/qat_comp_pmd.c b/drivers/compress/qat/qat_comp_pmd.c
index 9bb98974c..0a571b3d6 100644
--- a/drivers/compress/qat/qat_comp_pmd.c
+++ b/drivers/compress/qat/qat_comp_pmd.c
@@ -252,6 +252,61 @@  qat_comp_pmd_dequeue_op_burst(void *qp, struct rte_comp_op **ops,
 }
 
 
+static uint16_t
+qat_comp_pmd_enq_deq_dummy_op_burst(void *qp __rte_unused,
+				    struct rte_comp_op **ops __rte_unused,
+				    uint16_t nb_ops __rte_unused)
+{
+	QAT_DP_LOG(ERR, "QAT PMD detected wrong FW version !");
+	return 0;
+}
+
+static struct rte_compressdev_ops compress_qat_dummy_ops = {
+
+	/* Device related operations */
+	.dev_configure		= NULL,
+	.dev_start		= NULL,
+	.dev_stop		= qat_comp_dev_stop,
+	.dev_close		= qat_comp_dev_close,
+	.dev_infos_get		= NULL,
+
+	.stats_get		= NULL,
+	.stats_reset		= qat_comp_stats_reset,
+	.queue_pair_setup	= NULL,
+	.queue_pair_release	= qat_comp_qp_release,
+
+	/* Compression related operations */
+	.private_xform_create	= NULL,
+	.private_xform_free	= qat_comp_private_xform_free
+};
+
+static uint16_t
+qat_comp_pmd_dequeue_frst_op_burst(void *qp, struct rte_comp_op **ops,
+				   uint16_t nb_ops)
+{
+	uint16_t ret = qat_dequeue_op_burst(qp, (void **)ops, nb_ops);
+	struct qat_qp *tmp_qp = (struct qat_qp *)qp;
+
+	if (ret) {
+		if ((*ops)->debug_status ==
+				(uint64_t)ERR_CODE_QAT_COMP_WRONG_FW) {
+			tmp_qp->qat_dev->comp_dev->compressdev->enqueue_burst =
+					qat_comp_pmd_enq_deq_dummy_op_burst;
+			tmp_qp->qat_dev->comp_dev->compressdev->dequeue_burst =
+					qat_comp_pmd_enq_deq_dummy_op_burst;
+
+			tmp_qp->qat_dev->comp_dev->compressdev->dev_ops =
+					&compress_qat_dummy_ops;
+			QAT_LOG(ERR, "QAT PMD detected wrong FW version !");
+
+		} else {
+			tmp_qp->qat_dev->comp_dev->compressdev->dequeue_burst =
+					qat_comp_pmd_dequeue_op_burst;
+		}
+	}
+	return ret;
+}
+
 static struct rte_compressdev_ops compress_qat_ops = {
 
 	/* Device related operations */
@@ -302,7 +357,7 @@  qat_comp_dev_create(struct qat_pci_device *qat_pci_dev)
 	compressdev->dev_ops = &compress_qat_ops;
 
 	compressdev->enqueue_burst = qat_comp_pmd_enqueue_op_burst;
-	compressdev->dequeue_burst = qat_comp_pmd_dequeue_op_burst;
+	compressdev->dequeue_burst = qat_comp_pmd_dequeue_frst_op_burst;
 
 	compressdev->feature_flags = RTE_COMPDEV_FF_HW_ACCELERATED;