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 9E6A7A04A7; Tue, 25 Jan 2022 10:43:35 +0100 (CET) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id B31B2428D9; Tue, 25 Jan 2022 10:43:07 +0100 (CET) Received: from mga18.intel.com (mga18.intel.com [134.134.136.126]) by mails.dpdk.org (Postfix) with ESMTP id 9019E428BB for ; Tue, 25 Jan 2022 10:43:05 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1643103785; x=1674639785; h=from:to:cc:subject:date:message-id:in-reply-to: references; bh=oxieEmrNWEb5j5e3hOZSzxVfMAYa1ZcG7WMMC5Co0Nk=; b=nriaQK8glBKSPjlZEjF9QGuZrq4/W5OFXmP0qWSpsqEHW7NG6zRIv1kG owgk6tIz3Z0pDqSW6arro9BeEBmsAThNaJo5Jcu1c4zQ9W8UQTPXDlKj/ iNsYJX9LBxumGmQfsjBbq/tUJFem+Urh6ti+ixpaM8elZJDtDYKVU1LX1 WvbQhPvfKBoeVB2Uy13zpOzr4dRwocWX/X8xywCxy1C1p82WfJCLkJ/iB DkZgVStwl99huu6xsSCzEixrYtIATmeSpZH5X9rcDRvcpXx26TJHtnmTX euaphMZWKewQcwQF1nYmA4iAh2SRQW7y2hA2rsBSWxy87PZ6UrMCZLvZA g==; X-IronPort-AV: E=McAfee;i="6200,9189,10237"; a="229840455" X-IronPort-AV: E=Sophos;i="5.88,314,1635231600"; d="scan'208";a="229840455" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Jan 2022 01:43:05 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.88,314,1635231600"; d="scan'208";a="534656854" Received: from dpdk-dipei.sh.intel.com ([10.67.111.91]) by orsmga008.jf.intel.com with ESMTP; 25 Jan 2022 01:43:03 -0800 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 v2 10/15] vdpa/ifc: read virtio max_queues from hardware Date: Tue, 25 Jan 2022 17:37:12 +0800 Message-Id: <1643103437-118618-11-git-send-email-andy.pei@intel.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1643103437-118618-1-git-send-email-andy.pei@intel.com> References: <1643093258-47258-2-git-send-email-andy.pei@intel.com> <1643103437-118618-1-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 ff91e80..d30c3fd 100644 --- a/drivers/vdpa/ifc/ifcvf_vdpa.c +++ b/drivers/vdpa/ifc/ifcvf_vdpa.c @@ -1530,6 +1530,10 @@ 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