From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm0-f66.google.com (mail-wm0-f66.google.com [74.125.82.66]) by dpdk.org (Postfix) with ESMTP id 7E2781BED9 for ; Thu, 5 Jul 2018 13:49:19 +0200 (CEST) Received: by mail-wm0-f66.google.com with SMTP id 69-v6so10306347wmf.3 for ; Thu, 05 Jul 2018 04:49:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=6wind-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=5OM1VqWbunFM8wPdgB3OgPPGvAxoucxEVAX0oAGkDdI=; b=IzWjVpSPp7aldPl+t3dB9m6EZbccXFOorY5fmDmQRB6rLtYvD/7OdWSuCejG+Gt/Z3 CJ/W5ECL5Y+ucK/5pM0shTmmTNPJ26JFr0y668SE1MltZp+dsNrjLLy3/XyPLABqA7HA J7A6uEWuVdOX/OefTh1kIEJO+Ivf48GjWMdqUOlVtNodx46GYTGotVwivUxXRcWMf8bK AMDCAo2ydp4EsKlq/R+TeEqUn/zlV5HM1K0FCSPiUdrtCUtdp4IXSqOWfngHJPHuoHHw cU9DkXW7nhUOnGU1pjoxfFsT8WLYhLMMO0Kgv4DJ3ilyltBEmGbtReLAIiDXaLNbtUoX WW9w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=5OM1VqWbunFM8wPdgB3OgPPGvAxoucxEVAX0oAGkDdI=; b=RT8M2X0kEtGezUsIkFwo5v8lxhJK0QJcgZOsV+xyb0WSopyWiu3JChs6+txPXn9x+E W38+rFtYCxQR2zo+AsivPxsRZxKyq9pMhZ4BrI7WhPtSBFeVS77dgs67S94dQr+wPKEH Zmtnl4ohjexBNOjIt+JeFmHuS+ePury6RmRKmgd7VMRSMNwRt7FTHhq+VyLQJrS95buG e1gcAQB+dwD/W9osr8wODinc6eHB1M1dDo/4Q3TH2SnkJOXdYGm8edosd67M+w2KCMPl Y68vP6W1S2RHfXwrYYuw3AtTq0uwA6pXFgNGi7ha8ePo779GvlEMM3JVWdMm8bBZs9/1 Baog== X-Gm-Message-State: APt69E1L268SJ6m0PbPpLonezWCR/IhS4od6cMW/UzJP9tY1IHpXUDXx ZyWhnHGELpJuWD+GUxCbYlRL4g8d X-Google-Smtp-Source: AAOMgpf+/xTvdaO6/y1nS7uyB/hNnEkIiKcunTs2xCO7lUKoVw4FXQH+BEjzghrsPO744qcTT85bnQ== X-Received: by 2002:a1c:4004:: with SMTP id n4-v6mr3720603wma.83.1530791358808; Thu, 05 Jul 2018 04:49:18 -0700 (PDT) Received: from bidouze.dev.6wind.com. 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[62.23.145.78]) by smtp.gmail.com with ESMTPSA id o42-v6sm15809183wrc.50.2018.07.05.04.49.17 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 05 Jul 2018 04:49:17 -0700 (PDT) From: Gaetan Rivet To: dev@dpdk.org Cc: Gaetan Rivet Date: Thu, 5 Jul 2018 13:48:24 +0200 Message-Id: X-Mailer: git-send-email 2.18.0 In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Subject: [dpdk-dev] [PATCH v10 17/27] bus/vdev: implement device iteration 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: , X-List-Received-Date: Thu, 05 Jul 2018 11:49:20 -0000 Signed-off-by: Gaetan Rivet --- drivers/bus/vdev/Makefile | 3 +- drivers/bus/vdev/meson.build | 5 +++- drivers/bus/vdev/vdev.c | 10 ++++--- drivers/bus/vdev/vdev_params.c | 51 +++++++++++++++++++++++++++++++++ drivers/bus/vdev/vdev_private.h | 26 +++++++++++++++++ 5 files changed, 89 insertions(+), 6 deletions(-) create mode 100644 drivers/bus/vdev/vdev_params.c create mode 100644 drivers/bus/vdev/vdev_private.h diff --git a/drivers/bus/vdev/Makefile b/drivers/bus/vdev/Makefile index bd0bb8955..1f9cd7ebe 100644 --- a/drivers/bus/vdev/Makefile +++ b/drivers/bus/vdev/Makefile @@ -19,8 +19,9 @@ EXPORT_MAP := rte_bus_vdev_version.map LIBABIVER := 1 SRCS-y += vdev.c +SRCS-y += vdev_params.c -LDLIBS += -lrte_eal +LDLIBS += -lrte_eal -lrte_kvargs # # Export include files diff --git a/drivers/bus/vdev/meson.build b/drivers/bus/vdev/meson.build index 2ee648b49..12605e5c7 100644 --- a/drivers/bus/vdev/meson.build +++ b/drivers/bus/vdev/meson.build @@ -1,7 +1,10 @@ # SPDX-License-Identifier: BSD-3-Clause # Copyright(c) 2017 Intel Corporation -sources = files('vdev.c') +sources = files('vdev.c', + 'vdev_params.c') install_headers('rte_bus_vdev.h') allow_experimental_apis = true + +deps += ['kvargs'] diff --git a/drivers/bus/vdev/vdev.c b/drivers/bus/vdev/vdev.c index 6139dd551..e8518833d 100644 --- a/drivers/bus/vdev/vdev.c +++ b/drivers/bus/vdev/vdev.c @@ -23,6 +23,7 @@ #include "rte_bus_vdev.h" #include "vdev_logs.h" +#include "vdev_private.h" #define VDEV_MP_KEY "bus_vdev_mp" @@ -493,9 +494,9 @@ vdev_probe(void) return ret; } -static struct rte_device * -vdev_find_device(const struct rte_device *start, rte_dev_cmp_t cmp, - const void *data) +struct rte_device * +rte_vdev_find_device(const struct rte_device *start, rte_dev_cmp_t cmp, + const void *data) { const struct rte_vdev_device *vstart; struct rte_vdev_device *dev; @@ -532,10 +533,11 @@ vdev_unplug(struct rte_device *dev) static struct rte_bus rte_vdev_bus = { .scan = vdev_scan, .probe = vdev_probe, - .find_device = vdev_find_device, + .find_device = rte_vdev_find_device, .plug = vdev_plug, .unplug = vdev_unplug, .parse = vdev_parse, + .dev_iterate = rte_vdev_dev_iterate, }; RTE_REGISTER_BUS(vdev, rte_vdev_bus); diff --git a/drivers/bus/vdev/vdev_params.c b/drivers/bus/vdev/vdev_params.c new file mode 100644 index 000000000..842a4684e --- /dev/null +++ b/drivers/bus/vdev/vdev_params.c @@ -0,0 +1,51 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright 2018 Gaëtan Rivet + */ + +#include +#include +#include +#include + +#include "vdev_logs.h" +#include "vdev_private.h" + +enum vdev_params { + RTE_VDEV_PARAMS_MAX, +}; + +static const char * const vdev_params_keys[] = { + [RTE_VDEV_PARAMS_MAX] = NULL, +}; + +static int +vdev_dev_match(const struct rte_device *dev, + const void *_kvlist) +{ + const struct rte_kvargs *kvlist = _kvlist; + + (void) kvlist; + (void) dev; + return 0; +} + +void * +rte_vdev_dev_iterate(const void *start, + const char *str, + const struct rte_dev_iterator *it __rte_unused) +{ + struct rte_kvargs *kvargs = NULL; + struct rte_device *dev; + + if (str != NULL) { + kvargs = rte_kvargs_parse(str, vdev_params_keys); + if (kvargs == NULL) { + VDEV_LOG(ERR, "cannot parse argument list\n"); + rte_errno = EINVAL; + return NULL; + } + } + dev = rte_vdev_find_device(start, vdev_dev_match, kvargs); + rte_kvargs_free(kvargs); + return dev; +} diff --git a/drivers/bus/vdev/vdev_private.h b/drivers/bus/vdev/vdev_private.h new file mode 100644 index 000000000..ba6dc48ff --- /dev/null +++ b/drivers/bus/vdev/vdev_private.h @@ -0,0 +1,26 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright 2018 Gaëtan Rivet + */ + +#ifndef _VDEV_PRIVATE_H_ +#define _VDEV_PRIVATE_H_ + +#ifdef __cplusplus +extern "C" { +#endif + +struct rte_device * +rte_vdev_find_device(const struct rte_device *start, + rte_dev_cmp_t cmp, + const void *data); + +void * +rte_vdev_dev_iterate(const void *start, + const char *str, + const struct rte_dev_iterator *it); + +#ifdef __cplusplus +} +#endif + +#endif /* _VDEV_PRIVATE_H_ */ -- 2.18.0