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 AE757A034C; Mon, 28 Mar 2022 10:03:07 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 5D803428B7; Mon, 28 Mar 2022 10:02:06 +0200 (CEST) Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by mails.dpdk.org (Postfix) with ESMTP id 03B21428B4 for ; Mon, 28 Mar 2022 10:02:03 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1648454524; x=1679990524; h=from:to:cc:subject:date:message-id:in-reply-to: references; bh=+tf3r8C6yqsWXh2S6oUvxX/jY6gdNO/uTxHFeFes9eI=; b=DEVTeq+FAc6v1boC6rPrB1pQK8/DpCv5W/nKjO1HUFmQiEAZezQ8GXO8 GrSh+/zOWIo8FXg/Us2v70VXnDQ/5tRHDMJXWSvwfavfdZX5za6HTZW/Z hpgfb6KIIdTEwFZ+RB36Ny//5BdY7rvwbryRvgqLMwt1/FzkZsVVXKmqv 8HRGwrRz9J3bGnnY1F7wF5gva/CVRpW1kYzbxSKmnZ6MA07kYi3Vy2g1i EtiKuxpC+Lrus2fBB2zZgdaDbWjIjJrXr5wwoTWepHR8H6jUan8K41t7W spsIRsVuRL0hzHGOxbTueBdwPlJVxYPI0IcQATupOIAv+PCQVbECMs5wj Q==; X-IronPort-AV: E=McAfee;i="6200,9189,10299"; a="256515766" X-IronPort-AV: E=Sophos;i="5.90,216,1643702400"; d="scan'208";a="256515766" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Mar 2022 01:02:03 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.90,216,1643702400"; d="scan'208";a="563421795" Received: from dpdk-dipei.sh.intel.com ([10.67.110.238]) by orsmga008.jf.intel.com with ESMTP; 28 Mar 2022 01:02:01 -0700 From: Andy Pei To: dev@dpdk.org Cc: chenbo.xia@intel.com, maxime.coquelin@redhat.com, gang.cao@intel.com, changpeng.liu@intel.com Subject: [PATCH v5 11/16] vdpa/ifc: read virtio max_queues from hardware Date: Mon, 28 Mar 2022 15:17:37 +0800 Message-Id: <1648451862-123318-12-git-send-email-andy.pei@intel.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1648451862-123318-1-git-send-email-andy.pei@intel.com> References: <1643093258-47258-2-git-send-email-andy.pei@intel.com> <1648451862-123318-1-git-send-email-andy.pei@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 Original code max_queues is set to IFCVF_MAX_QUEUES. New code max_queues is the min of IFCVF_MAX_QUEUES and hardware num_queues. Signed-off-by: Andy Pei --- drivers/vdpa/ifc/ifcvf_vdpa.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/vdpa/ifc/ifcvf_vdpa.c b/drivers/vdpa/ifc/ifcvf_vdpa.c index 045623b..e8e7d61 100644 --- a/drivers/vdpa/ifc/ifcvf_vdpa.c +++ b/drivers/vdpa/ifc/ifcvf_vdpa.c @@ -1525,6 +1525,10 @@ struct rte_vdpa_dev_info dev_info[] = { internal->hw.blk_cfg->geometry.sectors); DRV_LOG(INFO, "num_queues: 0x%08x", internal->hw.blk_cfg->num_queues); + + /* reset max_queue here, to minimum modification */ + internal->max_queues = RTE_MIN(IFCVF_MAX_QUEUES, + internal->hw.blk_cfg->num_queues); } list->internal = internal; -- 1.8.3.1