From mboxrd@z Thu Jan 1 00:00:00 1970 From: Fiona Trahe Subject: [PATCH v5 15/16] compress/qat: prevent device usage if incorrect firmware Date: Wed, 11 Jul 2018 12:57:08 +0100 Message-ID: <1531310229-17448-16-git-send-email-fiona.trahe@intel.com> References: <1531183311-32619-1-git-send-email-fiona.trahe@intel.com> Cc: pablo.de.lara.guarch@intel.com, fiona.trahe@intel.com, tomaszx.jozwiak@intel.com To: dev@dpdk.org Return-path: Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by dpdk.org (Postfix) with ESMTP id CF6EE1B5A7 for ; Wed, 11 Jul 2018 13:57:58 +0200 (CEST) In-Reply-To: <1531183311-32619-1-git-send-email-fiona.trahe@intel.com> List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" 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 Signed-off-by: Fiona Trahe --- drivers/compress/qat/qat_comp_pmd.c | 57 ++++++++++++++++++++++++++++++++++++- 1 file changed, 56 insertions(+), 1 deletion(-) diff --git a/drivers/compress/qat/qat_comp_pmd.c b/drivers/compress/qat/qat_comp_pmd.c index 9bb9897..0a571b3 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; -- 2.7.4