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 0B55BA04A9; Tue, 25 Jan 2022 07:54:07 +0100 (CET) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 8670D4286E; Tue, 25 Jan 2022 07:53:36 +0100 (CET) Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by mails.dpdk.org (Postfix) with ESMTP id A0E8C4288C for ; Tue, 25 Jan 2022 07:53:34 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1643093614; x=1674629614; h=from:to:cc:subject:date:message-id:in-reply-to: references; bh=R4soTG88F7fmB5HFcY5JlL1xxLKfssfENGnWh3CDKUw=; b=kIcj5hxZV3SBMyx2iKNaiuynu91vGqvnv9xj7Znd1DAfoC9K8ZdHids1 U4xlqlWwIAl7q3wTyZCnHqvBQ6S3guZnw2R40MpHaHoOxOKnc9PLW1XLW XmTUKT5tlldy5Ltu7xxg3zhMEz3GfQDIgpAK2EH5+XGl2S8WWQFRBxXiF BcDV8G3fS/rn/VRpCGAA/NjOkW/U7nAD+KcdlZfTPTRmYMRNkdPCqeLRE ih3U9v+Y4b6wtBfuoNr1ua/2PB/BHy/RCQjehentSxlg9y0MMuH73owpK dRMxDdI9cmAGcCec7NGjcz+VBUZchayFHmD8cFXnfqI3JwdTR8WJpy5XG g==; X-IronPort-AV: E=McAfee;i="6200,9189,10237"; a="246181342" X-IronPort-AV: E=Sophos;i="5.88,314,1635231600"; d="scan'208";a="246181342" Received: from orsmga005.jf.intel.com ([10.7.209.41]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Jan 2022 22:53:34 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.88,314,1635231600"; d="scan'208";a="695724346" Received: from dpdk-dipei.sh.intel.com ([10.67.111.91]) by orsmga005.jf.intel.com with ESMTP; 24 Jan 2022 22:53:32 -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 10/15] vdpa/ifc: read virtio max_queues from hardware Date: Tue, 25 Jan 2022 14:47:33 +0800 Message-Id: <1643093258-47258-11-git-send-email-andy.pei@intel.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1643093258-47258-1-git-send-email-andy.pei@intel.com> References: <1643093258-47258-1-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 0b4b77f..f092aca 100644 --- a/drivers/vdpa/ifc/ifcvf_vdpa.c +++ b/drivers/vdpa/ifc/ifcvf_vdpa.c @@ -1542,6 +1542,10 @@ 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