From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id EC55CA0503; Wed, 18 May 2022 10:22:34 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 0D87442B76; Wed, 18 May 2022 10:22:27 +0200 (CEST) Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by mails.dpdk.org (Postfix) with ESMTP id C647942B6D; Wed, 18 May 2022 10:22:24 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1652862145; x=1684398145; h=from:to:cc:subject:date:message-id:in-reply-to: references; bh=H7QP+Oi3QqwLz/tvRx52LXyP8ruQ3jb1py5txxa924g=; b=cQDSEGtmw5tS9dLzpo+2O82us8yaWEeh4eX/uyGjpA2WvwfR93X5hwc8 Vtyw9VUbVtYq9ZcZXhrH4pBAaEDKphdxBGTUxxZ3SOmSoahuZf9IzaEEF zBQObTF+JXksYGMwK8YayvUn9U1GjsaAfnZ5XY84lPlcQsrrkCSNyVmya ERBBlonvDo45i1aCDzyTruE7c3retI1avqwwLP8bgwa8G1EGEAJFI/SKp cjTmNV6P8ei+502R6siBhibBPDJf7HFiIEkILvf/6atLTClcdR2d4yWN0 l9y/pTIio2UeudB9EiH+ZUWNiIj1xhkmgiiM76db/Z3cNblZ4d1o3rEPL g==; X-IronPort-AV: E=McAfee;i="6400,9594,10350"; a="334599426" X-IronPort-AV: E=Sophos;i="5.91,234,1647327600"; d="scan'208";a="334599426" Received: from orsmga005.jf.intel.com ([10.7.209.41]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 May 2022 01:22:24 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.91,234,1647327600"; d="scan'208";a="742209875" Received: from zj-fpga-amt.sh.intel.com ([10.238.175.102]) by orsmga005.jf.intel.com with ESMTP; 18 May 2022 01:22:22 -0700 From: Wei Huang To: dev@dpdk.org, thomas@monjalon.net, nipun.gupta@nxp.com, hemant.agrawal@nxp.com Cc: stable@dpdk.org, rosen.xu@intel.com, tianfei.zhang@intel.com, qi.z.zhang@intel.com, Wei Huang Subject: [PATCH v2 2/4] raw/ifpga: remove vdev when ifpga is closed Date: Wed, 18 May 2022 04:29:07 -0400 Message-Id: <1652862549-13131-3-git-send-email-wei.huang@intel.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1652862549-13131-1-git-send-email-wei.huang@intel.com> References: <20220517062854.1161727-5-wei.huang@intel.com> <1652862549-13131-1-git-send-email-wei.huang@intel.com> 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 Virtual devices created on ifpga raw device are not removed when ifpga is closed. To avoid such problem, ifpga virtual device remove function is implemented, virtual device is removed in raw device close function. Fixes: ef1e8ede3da5 ("raw/ifpga: add Intel FPGA bus rawdev driver") Cc: stable@dpdk.org Signed-off-by: Wei Huang Acked-by: Tianfei Zhang Acked-by: Rosen Xu --- drivers/raw/ifpga/ifpga_rawdev.c | 166 ++++++++++++++++++++++++++++++--------- drivers/raw/ifpga/ifpga_rawdev.h | 8 ++ 2 files changed, 138 insertions(+), 36 deletions(-) diff --git a/drivers/raw/ifpga/ifpga_rawdev.c b/drivers/raw/ifpga/ifpga_rawdev.c index 6d4117c..fe3fc43 100644 --- a/drivers/raw/ifpga/ifpga_rawdev.c +++ b/drivers/raw/ifpga/ifpga_rawdev.c @@ -134,6 +134,8 @@ struct ifpga_rawdev * for (i = 0; i < IFPGA_MAX_IRQ; i++) dev->intr_handle[i] = NULL; dev->poll_enabled = 0; + for (i = 0; i < IFPGA_MAX_VDEV; i++) + dev->vdev_name[i] = NULL; return dev; } @@ -736,10 +738,22 @@ static int set_surprise_link_check_aer( static int ifpga_rawdev_close(struct rte_rawdev *dev) { + struct ifpga_rawdev *ifpga_rdev = NULL; struct opae_adapter *adapter; + char *vdev_name = NULL; + int i = 0; if (dev) { - ifpga_monitor_stop_func(ifpga_rawdev_get(dev)); + ifpga_rdev = ifpga_rawdev_get(dev); + if (ifpga_rdev) { + for (i = 0; i < IFPGA_MAX_VDEV; i++) { + vdev_name = ifpga_rdev->vdev_name[i]; + if (vdev_name) + rte_vdev_uninit(vdev_name); + } + ifpga_monitor_stop_func(ifpga_rdev); + ifpga_rdev->rawdev = NULL; + } adapter = ifpga_rawdev_get_priv(dev); if (adapter) { opae_adapter_destroy(adapter); @@ -1638,8 +1652,6 @@ static int fme_clean_fme_error(struct opae_manager *mgr) return -EINVAL; } dev = ifpga_rawdev_get(rawdev); - if (dev) - dev->rawdev = NULL; adapter = ifpga_rawdev_get_priv(rawdev); if (!adapter) @@ -1714,73 +1726,118 @@ static int ifpga_rawdev_get_string_arg(const char *key __rte_unused, return 0; } + static int -ifpga_cfg_probe(struct rte_vdev_device *dev) +ifpga_vdev_parse_devargs(struct rte_devargs *devargs, + struct ifpga_vdev_args *args) { - struct rte_devargs *devargs; - struct rte_kvargs *kvlist = NULL; - struct rte_rawdev *rawdev = NULL; - struct ifpga_rawdev *ifpga_dev; - int port; + struct rte_kvargs *kvlist; char *name = NULL; - char dev_name[RTE_RAWDEV_NAME_MAX_LEN]; - int ret = -1; + int port = 0; + int ret = -EINVAL; - devargs = dev->device.devargs; + if (!devargs || !args) + return ret; kvlist = rte_kvargs_parse(devargs->args, valid_args); if (!kvlist) { - IFPGA_RAWDEV_PMD_LOG(ERR, "error when parsing param"); - goto end; + IFPGA_RAWDEV_PMD_ERR("error when parsing devargs"); + return ret; } if (rte_kvargs_count(kvlist, IFPGA_ARG_NAME) == 1) { if (rte_kvargs_process(kvlist, IFPGA_ARG_NAME, - &ifpga_rawdev_get_string_arg, - &name) < 0) { + &ifpga_rawdev_get_string_arg, &name) < 0) { IFPGA_RAWDEV_PMD_ERR("error to parse %s", - IFPGA_ARG_NAME); + IFPGA_ARG_NAME); goto end; + } else { + strlcpy(args->bdf, name, sizeof(args->bdf)); + rte_free(name); } } else { IFPGA_RAWDEV_PMD_ERR("arg %s is mandatory for ifpga bus", - IFPGA_ARG_NAME); + IFPGA_ARG_NAME); goto end; } if (rte_kvargs_count(kvlist, IFPGA_ARG_PORT) == 1) { - if (rte_kvargs_process(kvlist, - IFPGA_ARG_PORT, - &rte_ifpga_get_integer32_arg, - &port) < 0) { + if (rte_kvargs_process(kvlist, IFPGA_ARG_PORT, + &rte_ifpga_get_integer32_arg, &port) < 0) { IFPGA_RAWDEV_PMD_ERR("error to parse %s", IFPGA_ARG_PORT); goto end; + } else { + args->port = port; } } else { IFPGA_RAWDEV_PMD_ERR("arg %s is mandatory for ifpga bus", - IFPGA_ARG_PORT); + IFPGA_ARG_PORT); goto end; } + ret = 0; + +end: + if (kvlist) + rte_kvargs_free(kvlist); + + return ret; +} + +static int +ifpga_cfg_probe(struct rte_vdev_device *vdev) +{ + struct rte_rawdev *rawdev = NULL; + struct ifpga_rawdev *ifpga_dev; + struct ifpga_vdev_args args; + char dev_name[RTE_RAWDEV_NAME_MAX_LEN]; + const char *vdev_name = NULL; + int i, n, ret = 0; + + vdev_name = rte_vdev_device_name(vdev); + if (!vdev_name) + return -EINVAL; + + IFPGA_RAWDEV_PMD_INFO("probe ifpga virtual device %s", vdev_name); + + ret = ifpga_vdev_parse_devargs(vdev->device.devargs, &args); + if (ret) + return ret; + memset(dev_name, 0, sizeof(dev_name)); - snprintf(dev_name, RTE_RAWDEV_NAME_MAX_LEN, "IFPGA:%s", name); + snprintf(dev_name, RTE_RAWDEV_NAME_MAX_LEN, "IFPGA:%s", args.bdf); rawdev = rte_rawdev_pmd_get_named_dev(dev_name); if (!rawdev) - goto end; + return -ENODEV; ifpga_dev = ifpga_rawdev_get(rawdev); if (!ifpga_dev) - goto end; + return -ENODEV; - memset(dev_name, 0, sizeof(dev_name)); - snprintf(dev_name, RTE_RAWDEV_NAME_MAX_LEN, "%d|%s", - port, name); + for (i = 0; i < IFPGA_MAX_VDEV; i++) { + if (ifpga_dev->vdev_name[i] == NULL) { + n = strlen(vdev_name) + 1; + ifpga_dev->vdev_name[i] = rte_malloc(NULL, n, 0); + if (ifpga_dev->vdev_name[i] == NULL) + return -ENOMEM; + strlcpy(ifpga_dev->vdev_name[i], vdev_name, n); + break; + } + } + if (i >= IFPGA_MAX_VDEV) { + IFPGA_RAWDEV_PMD_ERR("Can't create more virtual device!"); + return -ENOENT; + } + + snprintf(dev_name, RTE_RAWDEV_NAME_MAX_LEN, "%d|%s", + args.port, args.bdf); ret = rte_eal_hotplug_add(RTE_STR(IFPGA_BUS_NAME), - dev_name, devargs->args); -end: - rte_kvargs_free(kvlist); - free(name); + dev_name, vdev->device.devargs->args); + if (ret) { + rte_free(ifpga_dev->vdev_name[i]); + ifpga_dev->vdev_name[i] = NULL; + } return ret; } @@ -1788,10 +1845,47 @@ static int ifpga_rawdev_get_string_arg(const char *key __rte_unused, static int ifpga_cfg_remove(struct rte_vdev_device *vdev) { - IFPGA_RAWDEV_PMD_INFO("Remove ifpga_cfg %p", - vdev); + struct rte_rawdev *rawdev = NULL; + struct ifpga_rawdev *ifpga_dev; + struct ifpga_vdev_args args; + char dev_name[RTE_RAWDEV_NAME_MAX_LEN]; + const char *vdev_name = NULL; + char *tmp_vdev = NULL; + int i, ret = 0; - return 0; + vdev_name = rte_vdev_device_name(vdev); + if (!vdev_name) + return -EINVAL; + + IFPGA_RAWDEV_PMD_INFO("remove ifpga virtual device %s", vdev_name); + + ret = ifpga_vdev_parse_devargs(vdev->device.devargs, &args); + if (ret) + return ret; + + memset(dev_name, 0, sizeof(dev_name)); + snprintf(dev_name, RTE_RAWDEV_NAME_MAX_LEN, "IFPGA:%s", args.bdf); + rawdev = rte_rawdev_pmd_get_named_dev(dev_name); + if (!rawdev) + return -ENODEV; + ifpga_dev = ifpga_rawdev_get(rawdev); + if (!ifpga_dev) + return -ENODEV; + + snprintf(dev_name, RTE_RAWDEV_NAME_MAX_LEN, "%d|%s", + args.port, args.bdf); + ret = rte_eal_hotplug_remove(RTE_STR(IFPGA_BUS_NAME), dev_name); + + for (i = 0; i < IFPGA_MAX_VDEV; i++) { + tmp_vdev = ifpga_dev->vdev_name[i]; + if (tmp_vdev && !strcmp(tmp_vdev, vdev_name)) { + free(tmp_vdev); + ifpga_dev->vdev_name[i] = NULL; + break; + } + } + + return ret; } static struct rte_vdev_driver ifpga_cfg_driver = { diff --git a/drivers/raw/ifpga/ifpga_rawdev.h b/drivers/raw/ifpga/ifpga_rawdev.h index 857b734..eb9a9a5 100644 --- a/drivers/raw/ifpga/ifpga_rawdev.h +++ b/drivers/raw/ifpga/ifpga_rawdev.h @@ -50,6 +50,7 @@ enum ifpga_rawdev_device_state { #define IFPGA_RAWDEV_MSIX_IRQ_NUM 7 #define IFPGA_RAWDEV_NUM 32 +#define IFPGA_MAX_VDEV 4 #define IFPGA_MAX_IRQ 12 struct ifpga_rawdev { @@ -64,6 +65,13 @@ struct ifpga_rawdev { void *intr_handle[IFPGA_MAX_IRQ]; /* enable monitor thread poll device's sensors or not */ int poll_enabled; + /* name of virtual devices created on raw device */ + char *vdev_name[IFPGA_MAX_VDEV]; +}; + +struct ifpga_vdev_args { + char bdf[8]; + int port; }; struct ifpga_rawdev * -- 1.8.3.1