From patchwork Tue Jul 10 00:41:44 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fiona Trahe X-Patchwork-Id: 42661 X-Patchwork-Delegate: pablo.de.lara.guarch@intel.com Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id A3F041B3A9; Tue, 10 Jul 2018 02:42:42 +0200 (CEST) Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) by dpdk.org (Postfix) with ESMTP id B8E0E1B173 for ; Tue, 10 Jul 2018 02:42:30 +0200 (CEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by fmsmga107.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 09 Jul 2018 17:42:27 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.51,332,1526367600"; d="scan'208";a="244345514" Received: from sivswdev01.ir.intel.com (HELO localhost.localdomain) ([10.237.217.45]) by fmsmga006.fm.intel.com with ESMTP; 09 Jul 2018 17:42:26 -0700 From: Fiona Trahe To: dev@dpdk.org Cc: pablo.de.lara.guarch@intel.com, fiona.trahe@intel.com, tomaszx.jozwiak@intel.com Date: Tue, 10 Jul 2018 01:41:44 +0100 Message-Id: <1531183311-32619-10-git-send-email-fiona.trahe@intel.com> X-Mailer: git-send-email 1.7.0.7 In-Reply-To: <1530811980-24334-1-git-send-email-fiona.trahe@intel.com> References: <1530811980-24334-1-git-send-email-fiona.trahe@intel.com> Subject: [dpdk-dev] [PATCH v4 09/16] compress/qat: add fns to configure and clear device X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Add functions to configure and clear the qat comp device, including the creation and freeing of the xform pool and the freeing of queue-pairs. Signed-off-by: Fiona Trahe Signed-off-by: Tomasz Jozwiak --- drivers/compress/qat/qat_comp_pmd.c | 95 +++++++++++++++++++++++++++++++++++++ drivers/compress/qat/qat_comp_pmd.h | 7 +++ 2 files changed, 102 insertions(+) diff --git a/drivers/compress/qat/qat_comp_pmd.c b/drivers/compress/qat/qat_comp_pmd.c index 5ae6caf..beab6e3 100644 --- a/drivers/compress/qat/qat_comp_pmd.c +++ b/drivers/compress/qat/qat_comp_pmd.c @@ -99,3 +99,98 @@ qat_comp_qp_setup(struct rte_compressdev *dev, uint16_t qp_id, return ret; } + +static struct rte_mempool * +qat_comp_create_xform_pool(struct qat_comp_dev_private *comp_dev, + uint32_t num_elements) +{ + char xform_pool_name[RTE_MEMPOOL_NAMESIZE]; + struct rte_mempool *mp; + + snprintf(xform_pool_name, RTE_MEMPOOL_NAMESIZE, + "%s_xforms", comp_dev->qat_dev->name); + + QAT_LOG(DEBUG, "xformpool: %s", xform_pool_name); + mp = rte_mempool_lookup(xform_pool_name); + + if (mp != NULL) { + QAT_LOG(DEBUG, "xformpool already created"); + if (mp->size != num_elements) { + QAT_LOG(DEBUG, "xformpool wrong size - delete it"); + rte_mempool_free(mp); + mp = NULL; + comp_dev->xformpool = NULL; + } + } + + if (mp == NULL) + mp = rte_mempool_create(xform_pool_name, + num_elements, + qat_comp_xform_size(), 0, 0, + NULL, NULL, NULL, NULL, rte_socket_id(), + 0); + if (mp == NULL) { + QAT_LOG(ERR, "Err creating mempool %s w %d elements of size %d", + xform_pool_name, num_elements, qat_comp_xform_size()); + return NULL; + } + + return mp; +} + +static void +_qat_comp_dev_config_clear(struct qat_comp_dev_private *comp_dev) +{ + /* Free private_xform pool */ + if (comp_dev->xformpool) { + /* Free internal mempool for private xforms */ + rte_mempool_free(comp_dev->xformpool); + comp_dev->xformpool = NULL; + } +} + +int +qat_comp_dev_config(struct rte_compressdev *dev, + struct rte_compressdev_config *config) +{ + struct qat_comp_dev_private *comp_dev = dev->data->dev_private; + int ret = 0; + + if (config->max_nb_streams != 0) { + QAT_LOG(ERR, + "QAT device does not support STATEFUL so max_nb_streams must be 0"); + return -EINVAL; + } + + comp_dev->xformpool = qat_comp_create_xform_pool(comp_dev, + config->max_nb_priv_xforms); + if (comp_dev->xformpool == NULL) { + + ret = -ENOMEM; + goto error_out; + } + return 0; + +error_out: + _qat_comp_dev_config_clear(comp_dev); + return ret; +} + + +int +qat_comp_dev_close(struct rte_compressdev *dev) +{ + int i; + int ret = 0; + struct qat_comp_dev_private *comp_dev = dev->data->dev_private; + + for (i = 0; i < dev->data->nb_queue_pairs; i++) { + ret = qat_comp_qp_release(dev, i); + if (ret < 0) + return ret; + } + + _qat_comp_dev_config_clear(comp_dev); + + return ret; +} diff --git a/drivers/compress/qat/qat_comp_pmd.h b/drivers/compress/qat/qat_comp_pmd.h index 5a4bc31..b10a66f 100644 --- a/drivers/compress/qat/qat_comp_pmd.h +++ b/drivers/compress/qat/qat_comp_pmd.h @@ -41,5 +41,12 @@ int qat_comp_qp_setup(struct rte_compressdev *dev, uint16_t qp_id, uint32_t max_inflight_ops, int socket_id); +int +qat_comp_dev_config(struct rte_compressdev *dev, + struct rte_compressdev_config *config); + +int +qat_comp_dev_close(struct rte_compressdev *dev); + #endif #endif /* _QAT_COMP_PMD_H_ */