From nobody Mon Feb 9 03:16:24 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1530018635837857.9340866117373; Tue, 26 Jun 2018 06:10:35 -0700 (PDT) Received: from localhost ([::1]:52634 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fXnjv-0007xh-2o for importer@patchew.org; Tue, 26 Jun 2018 09:10:35 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:55723) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fXd2b-0001Ht-7f for qemu-devel@nongnu.org; Mon, 25 Jun 2018 21:45:10 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fXd2W-0001jI-NB for qemu-devel@nongnu.org; Mon, 25 Jun 2018 21:45:09 -0400 Received: from mx2.didichuxing.com ([36.110.17.22]:22630 helo=bsf01.didichuxing.com) by eggs.gnu.org with smtp (Exim 4.71) (envelope-from ) id 1fXd2W-0001ha-8X for qemu-devel@nongnu.org; Mon, 25 Jun 2018 21:45:04 -0400 Received: from BJEXCAS003.didichuxing.com ([172.20.1.43]) by bsf01.didichuxing.com with ESMTP id VjEtQaC6cdAqH9et; Tue, 26 Jun 2018 09:45:00 +0800 (CST) Received: from bogon.didichuxing.com (172.22.50.20) by BJSGEXMBX06.didichuxing.com (172.20.15.136) with Microsoft SMTP Server (TLS) id 15.0.1263.5; Tue, 26 Jun 2018 09:45:00 +0800 X-ASG-Debug-ID: 1529977500-0e408816c03db60001-jgbH7p X-Barracuda-Envelope-From: zhangweiping@didichuxing.com Date: Tue, 26 Jun 2018 09:44:56 +0800 From: Weiping Zhang To: Message-ID: <20180626014452.GA1858@bogon.didichuxing.com> X-ASG-Orig-Subj: [Qemu-block][RFC PATCH] hw/block/nvme: add optional parameter num_queues for nvme device MIME-Version: 1.0 Content-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) X-Originating-IP: [172.22.50.20] X-ClientProxiedBy: BJEXCAS004.didichuxing.com (172.20.1.44) To BJSGEXMBX06.didichuxing.com (172.20.15.136) X-Barracuda-Connect: UNKNOWN[172.20.1.43] X-Barracuda-Start-Time: 1529977500 X-Barracuda-URL: https://bsf01.didichuxing.com:443/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at didichuxing.com X-Barracuda-Scan-Msg-Size: 1495 X-Barracuda-BRTS-Status: 1 X-Barracuda-Bayes: INNOCENT GLOBAL 0.0003 1.0000 -2.0191 X-Barracuda-Spam-Score: -2.02 X-Barracuda-Spam-Status: No, SCORE=-2.02 using global scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=1000.0 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.52356 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 36.110.17.22 X-Mailman-Approved-At: Tue, 26 Jun 2018 09:08:28 -0400 Subject: [Qemu-devel] [Qemu-block][RFC PATCH] hw/block/nvme: add optional parameter num_queues for nvme device X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: qemu-devel@nongnu.org, qemu-block@nongnu.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Add an optional paramter num_queues for device, and set it to 64 by default. Signed-off-by: Weiping Zhang Acked-by: Keith Busch --- hw/block/nvme.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/hw/block/nvme.c b/hw/block/nvme.c index d5bf95b79b..156ecf3c41 100644 --- a/hw/block/nvme.c +++ b/hw/block/nvme.c @@ -18,7 +18,8 @@ * Usage: add options: * -drive file=3D,if=3Dnone,id=3D * -device nvme,drive=3D,serial=3D,id=3D, \ - * cmb_size_mb=3D + * cmb_size_mb=3D, \ + * num_queues=3D * * Note cmb_size_mb denotes size of CMB in MB. CMB is assumed to be at * offset 0 in BAR2 and supports only WDS, RDS and SQS for now. @@ -1232,7 +1233,6 @@ static void nvme_realize(PCIDevice *pci_dev, Error **= errp) pcie_endpoint_cap_init(&n->parent_obj, 0x80); =20 n->num_namespaces =3D 1; - n->num_queues =3D 64; n->reg_size =3D pow2ceil(0x1004 + 2 * (n->num_queues + 1) * 4); n->ns_size =3D bs_size / (uint64_t)n->num_namespaces; =20 @@ -1341,6 +1341,7 @@ static Property nvme_props[] =3D { DEFINE_BLOCK_PROPERTIES(NvmeCtrl, conf), DEFINE_PROP_STRING("serial", NvmeCtrl, serial), DEFINE_PROP_UINT32("cmb_size_mb", NvmeCtrl, cmb_size_mb, 0), + DEFINE_PROP_UINT32("num_queues", NvmeCtrl, num_queues, 64), DEFINE_PROP_END_OF_LIST(), }; =20 --=20 2.14.1