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 5664FA0093; Thu, 21 Apr 2022 11:20:36 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 83EC242809; Thu, 21 Apr 2022 11:20:02 +0200 (CEST) Received: from mga06.intel.com (mga06b.intel.com [134.134.136.31]) by mails.dpdk.org (Postfix) with ESMTP id AE6454281B for ; Thu, 21 Apr 2022 11:20:00 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1650532800; x=1682068800; h=from:to:cc:subject:date:message-id:in-reply-to: references; bh=+tf3r8C6yqsWXh2S6oUvxX/jY6gdNO/uTxHFeFes9eI=; b=it3j4pAV5GKzj6v7huf67YkGeQcEwrE9xmdsdqwYlxdk0k3D1+zi6Adk WOgeAaafK2+ZaognS434OT7B8xpEFgpOIfVHQ3i8mtVeVQMlcFWmoWDyi GxADKPbbQ8ilBEp8hOw8h85LjS7lCu76pAYVuehNykLnUg7rPTTiCNbgS xfK9zzE1nF+8YZODH5b+DiE7DDAaT8xug6L7KEg9MimjeBn6ZUU3p6ZDd kCqPMYje0xd1WYbjNdJXSGvFbRwxum7LjcVRr77gJD0KFbBKN9Z/PWeGU AulZTYrLFFHCOiDtEZ42CMZmo1VVk5doXAYfQA+ApbBEjHTivKTWofuRL g==; X-IronPort-AV: E=McAfee;i="6400,9594,10323"; a="324734860" X-IronPort-AV: E=Sophos;i="5.90,278,1643702400"; d="scan'208";a="324734860" Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Apr 2022 02:20:00 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.90,278,1643702400"; d="scan'208";a="593568282" Received: from dpdk-dipei.sh.intel.com ([10.67.110.238]) by orsmga001.jf.intel.com with ESMTP; 21 Apr 2022 02:19:58 -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 v6 11/16] vdpa/ifc: read virtio max queues from hardware Date: Thu, 21 Apr 2022 16:33:49 +0800 Message-Id: <1650530034-59744-12-git-send-email-andy.pei@intel.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1650530034-59744-1-git-send-email-andy.pei@intel.com> References: <1643093258-47258-2-git-send-email-andy.pei@intel.com> <1650530034-59744-1-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