From patchwork Wed Apr 15 05:51:09 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Klaus Jensen X-Patchwork-Id: 284336 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1D426C2BA2B for ; Wed, 15 Apr 2020 05:58:02 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id E5306206F9 for ; Wed, 15 Apr 2020 05:58:01 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E5306206F9 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=irrelevant.dk Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:43532 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jOb3g-0003Ul-Vx for qemu-devel@archiver.kernel.org; Wed, 15 Apr 2020 01:58:01 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:35180) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jOayf-0001kF-1D for qemu-devel@nongnu.org; Wed, 15 Apr 2020 01:52:49 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1jOayd-0002ch-Sr for qemu-devel@nongnu.org; Wed, 15 Apr 2020 01:52:48 -0400 Received: from charlie.dont.surf ([128.199.63.193]:47288) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1jOaya-0002R7-Os; Wed, 15 Apr 2020 01:52:44 -0400 Received: from apples.local (80-167-98-190-cable.dk.customer.tdc.net [80.167.98.190]) by charlie.dont.surf (Postfix) with ESMTPSA id 990F4BFA0B; Wed, 15 Apr 2020 05:52:23 +0000 (UTC) From: Klaus Jensen To: qemu-block@nongnu.org Subject: [PATCH v7 17/48] nvme: make sure ncqr and nsqr is valid Date: Wed, 15 Apr 2020 07:51:09 +0200 Message-Id: <20200415055140.466900-18-its@irrelevant.dk> X-Mailer: git-send-email 2.26.0 In-Reply-To: <20200415055140.466900-1-its@irrelevant.dk> References: <20200415055140.466900-1-its@irrelevant.dk> MIME-Version: 1.0 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 128.199.63.193 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kevin Wolf , Beata Michalska , Klaus Jensen , qemu-devel@nongnu.org, Max Reitz , Klaus Jensen , Keith Busch , Javier Gonzalez , Maxim Levitsky Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Klaus Jensen 0xffff is not an allowed value for NCQR and NSQR in Set Features on Number of Queues. Signed-off-by: Klaus Jensen Acked-by: Keith Busch Reviewed-by: Maxim Levitsky --- hw/block/nvme.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/hw/block/nvme.c b/hw/block/nvme.c index 7094767eeccb..c1e3ae81666a 100644 --- a/hw/block/nvme.c +++ b/hw/block/nvme.c @@ -1162,6 +1162,14 @@ static uint16_t nvme_set_feature(NvmeCtrl *n, NvmeCmd *cmd, NvmeRequest *req) blk_set_enable_write_cache(n->conf.blk, dw11 & 1); break; case NVME_NUMBER_OF_QUEUES: + /* + * NVMe v1.3, Section 5.21.1.7: 0xffff is not an allowed value for NCQR + * and NSQR. + */ + if ((dw11 & 0xffff) == 0xffff || ((dw11 >> 16) & 0xffff) == 0xffff) { + return NVME_INVALID_FIELD | NVME_DNR; + } + trace_nvme_dev_setfeat_numq((dw11 & 0xFFFF) + 1, ((dw11 >> 16) & 0xFFFF) + 1, n->params.max_ioqpairs,