From patchwork Mon Jun 29 18:26:38 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Klaus Jensen X-Patchwork-Id: 11631335 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 7916E14E3 for ; Mon, 29 Jun 2020 18:35:17 +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 5A2E321D81 for ; Mon, 29 Jun 2020 18:35:17 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5A2E321D81 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+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Received: from localhost ([::1]:48818 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jpyce-00031z-IR for patchwork-qemu-devel@patchwork.kernel.org; Mon, 29 Jun 2020 14:35:16 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:35604) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jpyV3-0000kS-Ec; Mon, 29 Jun 2020 14:27:25 -0400 Received: from charlie.dont.surf ([128.199.63.193]:45952) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jpyV1-0000dU-Da; Mon, 29 Jun 2020 14:27:25 -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 E0197BF814; Mon, 29 Jun 2020 18:26:57 +0000 (UTC) From: Klaus Jensen To: qemu-block@nongnu.org Subject: [PATCH 13/17] hw/block/nvme: make sure ncqr and nsqr is valid Date: Mon, 29 Jun 2020 20:26:38 +0200 Message-Id: <20200629182642.1170387-14-its@irrelevant.dk> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200629182642.1170387-1-its@irrelevant.dk> References: <20200629182642.1170387-1-its@irrelevant.dk> MIME-Version: 1.0 Received-SPF: pass client-ip=128.199.63.193; envelope-from=its@irrelevant.dk; helo=charlie.dont.surf X-detected-operating-system: by eggs.gnu.org: First seen = 2020/06/29 14:26:53 X-ACL-Warn: Detected OS = Linux 3.11 and newer [fuzzy] X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=_AUTOLEARN X-Spam_action: no action 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 , Klaus Jensen , qemu-devel@nongnu.org, Max Reitz , Klaus Jensen , Keith Busch , Maxim Levitsky Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.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 Reviewed-by: Dmitry Fomichev --- hw/block/nvme.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/hw/block/nvme.c b/hw/block/nvme.c index a41665746d33..2279d8395aaa 100644 --- a/hw/block/nvme.c +++ b/hw/block/nvme.c @@ -1257,6 +1257,14 @@ 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_pci_nvme_setfeat_numq((dw11 & 0xFFFF) + 1, ((dw11 >> 16) & 0xFFFF) + 1, n->params.max_ioqpairs,