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 3DB25A034C; Sun, 27 Mar 2022 17:36:55 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 4AC4A42898; Sun, 27 Mar 2022 17:36:08 +0200 (CEST) Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by mails.dpdk.org (Postfix) with ESMTP id A499642898 for ; Sun, 27 Mar 2022 17:36:05 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1648395365; x=1679931365; h=from:to:cc:subject:date:message-id:in-reply-to: references; bh=iEgZuq2zqXREe7HTQr40FJztSq2gc9kt44R4q/xdFG8=; b=gI+YJNblVHptKlTX6BtlMfo3l4vJOz5OuqD8LMNCprp10aRgKDN3ygjx 0jxsRqcZ3GLElcFXTYbkMM34l5QCr6OdIR7MVuiakeUOVzxta5njACRDn b6FF8u/T/YlR1qatWfzDJkHAQIRjw3xGMz4RaVs/aZ9CTo34HVM7SYf8f YyayYHExWuOTCNYRRlQjizwzNz2UKbAF/mxRbxQSuqVVJCqGCiAn0O+yg tFK6rh+ocBWH+J5Wc7wX1wQ1rCTpAUdTsFRM5DigwQNzpV+/dxN1fNNt8 FNCuyzgC126Ux9otbMjLVtebtp18Ey5XRU+DAa+ih4SkajNDVAac3SGeE g==; X-IronPort-AV: E=McAfee;i="6200,9189,10299"; a="259045655" X-IronPort-AV: E=Sophos;i="5.90,215,1643702400"; d="scan'208";a="259045655" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Mar 2022 08:36:05 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.90,215,1643702400"; d="scan'208";a="562421576" Received: from dpdk-dipei.sh.intel.com ([10.67.110.238]) by orsmga008.jf.intel.com with ESMTP; 27 Mar 2022 08:36:03 -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 v4 11/16] vdpa/ifc: read virtio max_queues from hardware Date: Sun, 27 Mar 2022 22:51:34 +0800 Message-Id: <1648392699-60113-12-git-send-email-andy.pei@intel.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1648392699-60113-1-git-send-email-andy.pei@intel.com> References: <1643093258-47258-2-git-send-email-andy.pei@intel.com> <1648392699-60113-1-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 9bc2f47..20a0b01 100644 --- a/drivers/vdpa/ifc/ifcvf_vdpa.c +++ b/drivers/vdpa/ifc/ifcvf_vdpa.c @@ -1526,6 +1526,10 @@ 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