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 15DACA0507; Wed, 27 Apr 2022 11:18:14 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 5E75942831; Wed, 27 Apr 2022 11:16:57 +0200 (CEST) Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by mails.dpdk.org (Postfix) with ESMTP id 858B442811 for ; Wed, 27 Apr 2022 11:16:50 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1651051010; x=1682587010; h=from:to:cc:subject:date:message-id:in-reply-to: references; bh=H7zC3g6QI5iG2cuqXa+Be/n5UmBaiKellT4IsshGLmQ=; b=T0L9aF1NyfXYSKSxDh6BmOkhp5JDkVvdTFnca0bjceYLQX1sG+h95koI 3igX7pFzXQjiipmqUroYIe5RC+ixWdZkrxp2WQzTJmQk5XT66rxa3pENN XNdOlD2LxWmZSBYZ43n4IdHiCyTtGv4ozmc7hRzuaWvxtJlyqHWrKDVAj vFgzGDR+245fxqTlWIEWmfVLJ8vYw1jDNQO7Jcx6DTNZzF99xikkF6nqM 3v6xxEzmW49a1G2DN2yBvNiEo+9eKd3S0UD3Q9DcgEO/djhhzLGMNAFRF dYrgQTdBZhtIo7mhKpobASdn5HWDrrMPCp9O0M4VYcGE7ej1H2gvNBtqf A==; X-IronPort-AV: E=McAfee;i="6400,9594,10329"; a="352308336" X-IronPort-AV: E=Sophos;i="5.90,292,1643702400"; d="scan'208";a="352308336" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Apr 2022 02:16:46 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.90,292,1643702400"; d="scan'208";a="580488798" Received: from dpdk-dipei.sh.intel.com ([10.67.110.238]) by orsmga008.jf.intel.com with ESMTP; 27 Apr 2022 02:16:45 -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 v7 13/18] vdpa/ifc: read virtio max queues from hardware Date: Wed, 27 Apr 2022 16:30:01 +0800 Message-Id: <1651048206-282372-14-git-send-email-andy.pei@intel.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1651048206-282372-1-git-send-email-andy.pei@intel.com> References: <1643093258-47258-2-git-send-email-andy.pei@intel.com> <1651048206-282372-1-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 4060a44..5a8cf1c 100644 --- a/drivers/vdpa/ifc/ifcvf_vdpa.c +++ b/drivers/vdpa/ifc/ifcvf_vdpa.c @@ -1457,6 +1457,10 @@ 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