From patchwork Tue Sep 28 08:29:47 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nipun Gupta X-Patchwork-Id: 99867 X-Patchwork-Delegate: gakhil@marvell.com Return-Path: X-Original-To: patchwork@inbox.dpdk.org Delivered-To: patchwork@inbox.dpdk.org Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 4209DA0C5A; Tue, 28 Sep 2021 10:40:08 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id A6AA44111F; Tue, 28 Sep 2021 10:30:02 +0200 (CEST) Received: from inva021.nxp.com (inva021.nxp.com [92.121.34.21]) by mails.dpdk.org (Postfix) with ESMTP id D936940DF6 for ; Tue, 28 Sep 2021 10:29:57 +0200 (CEST) Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id B52BE200441; Tue, 28 Sep 2021 10:29:57 +0200 (CEST) Received: from aprdc01srsp001v.ap-rdc01.nxp.com (aprdc01srsp001v.ap-rdc01.nxp.com [165.114.16.16]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 259882015A8; Tue, 28 Sep 2021 10:29:57 +0200 (CEST) Received: from lsv03274.swis.in-blr01.nxp.com (lsv03274.swis.in-blr01.nxp.com [92.120.147.114]) by aprdc01srsp001v.ap-rdc01.nxp.com (Postfix) with ESMTP id CA1DD183AD14; Tue, 28 Sep 2021 16:29:55 +0800 (+08) From: nipun.gupta@nxp.com To: dev@dpdk.org, gakhil@marvell.com, nicolas.chautru@intel.com Cc: david.marchand@redhat.com, hemant.agrawal@nxp.com, Nipun Gupta Date: Tue, 28 Sep 2021 13:59:47 +0530 Message-Id: <20210928082953.18731-4-nipun.gupta@nxp.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210928082953.18731-1-nipun.gupta@nxp.com> References: <20210318063421.14895-1-hemant.agrawal@nxp.com> <20210928082953.18731-1-nipun.gupta@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP Subject: [dpdk-dev] [PATCH v7 3/9] baseband/la12xx: add devargs for max queues X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 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" From: Hemant Agrawal This patch adds dev args to take max queues as input Signed-off-by: Nipun Gupta Signed-off-by: Hemant Agrawal --- drivers/baseband/la12xx/bbdev_la12xx.c | 73 +++++++++++++++++++++++++- 1 file changed, 71 insertions(+), 2 deletions(-) diff --git a/drivers/baseband/la12xx/bbdev_la12xx.c b/drivers/baseband/la12xx/bbdev_la12xx.c index d3d7a4df37..ee03e93870 100644 --- a/drivers/baseband/la12xx/bbdev_la12xx.c +++ b/drivers/baseband/la12xx/bbdev_la12xx.c @@ -17,13 +17,73 @@ #define DRIVER_NAME baseband_la12xx +/* Initialisation params structure that can be used by LA12xx BBDEV driver */ +struct bbdev_la12xx_params { + uint8_t queues_num; /*< LA12xx BBDEV queues number */ +}; + +#define LA12XX_MAX_NB_QUEUES_ARG "max_nb_queues" + +static const char * const bbdev_la12xx_valid_params[] = { + LA12XX_MAX_NB_QUEUES_ARG, +}; + /* private data structure */ struct bbdev_la12xx_private { unsigned int max_nb_queues; /**< Max number of queues */ }; +static inline int +parse_u16_arg(const char *key, const char *value, void *extra_args) +{ + uint16_t *u16 = extra_args; + + unsigned int long result; + if ((value == NULL) || (extra_args == NULL)) + return -EINVAL; + errno = 0; + result = strtoul(value, NULL, 0); + if ((result >= (1 << 16)) || (errno != 0)) { + rte_bbdev_log(ERR, "Invalid value %" PRIu64 " for %s", + result, key); + return -ERANGE; + } + *u16 = (uint16_t)result; + return 0; +} + +/* Parse parameters used to create device */ +static int +parse_bbdev_la12xx_params(struct bbdev_la12xx_params *params, + const char *input_args) +{ + struct rte_kvargs *kvlist = NULL; + int ret = 0; + + if (params == NULL) + return -EINVAL; + if (input_args) { + kvlist = rte_kvargs_parse(input_args, + bbdev_la12xx_valid_params); + if (kvlist == NULL) + return -EFAULT; + + ret = rte_kvargs_process(kvlist, bbdev_la12xx_valid_params[0], + &parse_u16_arg, ¶ms->queues_num); + if (ret < 0) + goto exit; + + } + +exit: + if (kvlist) + rte_kvargs_free(kvlist); + return ret; +} + /* Create device */ static int -la12xx_bbdev_create(struct rte_vdev_device *vdev) +la12xx_bbdev_create(struct rte_vdev_device *vdev, + struct bbdev_la12xx_params *init_params __rte_unused) { struct rte_bbdev *bbdev; const char *name = rte_vdev_device_name(vdev); @@ -60,7 +120,11 @@ la12xx_bbdev_create(struct rte_vdev_device *vdev) static int la12xx_bbdev_probe(struct rte_vdev_device *vdev) { + struct bbdev_la12xx_params init_params = { + 8 + }; const char *name; + const char *input_args; PMD_INIT_FUNC_TRACE(); @@ -71,7 +135,10 @@ la12xx_bbdev_probe(struct rte_vdev_device *vdev) if (name == NULL) return -EINVAL; - return la12xx_bbdev_create(vdev); + input_args = rte_vdev_device_args(vdev); + parse_bbdev_la12xx_params(&init_params, input_args); + + return la12xx_bbdev_create(vdev, &init_params); } /* Uninitialise device */ @@ -105,4 +172,6 @@ static struct rte_vdev_driver bbdev_la12xx_pmd_drv = { }; RTE_PMD_REGISTER_VDEV(DRIVER_NAME, bbdev_la12xx_pmd_drv); +RTE_PMD_REGISTER_PARAM_STRING(DRIVER_NAME, + LA12XX_MAX_NB_QUEUES_ARG"="); RTE_LOG_REGISTER_DEFAULT(bbdev_la12xx_logtype, NOTICE);