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 D2446A00C4; Sat, 29 Jan 2022 04:10:31 +0100 (CET) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 4662642874; Sat, 29 Jan 2022 04:10:02 +0100 (CET) Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by mails.dpdk.org (Postfix) with ESMTP id C17F142840 for ; Sat, 29 Jan 2022 04:10:00 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1643425800; x=1674961800; h=from:to:cc:subject:date:message-id:in-reply-to: references; bh=J0wMip7Z4h5J0il2JjVcXYRvHfh5llXFtrrz+9EOfG0=; b=Tjkrwl3HMYoiAiIGBZUkZTb8ev+mcN4MrdQ8L7QWTGhBqHnK1YGgkF9v RkrYPxP0QPkHLD8iXOcNQkGKTpBk9FK8fxwSpf1h4xW/OWowMm584JsBe HmJ8FHYZt0DCGFZ4rcm9t3E+xuaNlcOsq08KL8UUNBtRLOgkH0wKz7CYn z0p/5azrkViMrJp3IPKfmw7RNfImt4TeeIscx9/IeVSeBFuWzoNd7r6lj mPGKy3HCySV9n73nKhLTYpX8USZ7vhGE0rYHV4bUBSZgmUx7SkQYVBTB5 1b3YxLhtgtUeHZj1QHA8RNgbMuRgsOOqu3eTVfru74wq0GWrksIRggr3K w==; X-IronPort-AV: E=McAfee;i="6200,9189,10241"; a="246076638" X-IronPort-AV: E=Sophos;i="5.88,325,1635231600"; d="scan'208";a="246076638" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Jan 2022 19:10:00 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.88,325,1635231600"; d="scan'208";a="582047869" Received: from dpdk-dipei.sh.intel.com ([10.67.111.91]) by fmsmga008.fm.intel.com with ESMTP; 28 Jan 2022 19:09:59 -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 v3 10/15] vdpa/ifc: read virtio max_queues from hardware Date: Sat, 29 Jan 2022 11:03:32 +0800 Message-Id: <1643425417-215270-11-git-send-email-andy.pei@intel.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1643425417-215270-1-git-send-email-andy.pei@intel.com> References: <1643093258-47258-2-git-send-email-andy.pei@intel.com> <1643425417-215270-1-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 3c4e5f6..86dd1c6 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