From patchwork Tue Apr 26 08:21:17 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 567878 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C4D0DC433F5 for ; Tue, 26 Apr 2022 08:53:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245555AbiDZI4F (ORCPT ); Tue, 26 Apr 2022 04:56:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55560 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1347216AbiDZIvO (ORCPT ); Tue, 26 Apr 2022 04:51:14 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2E8FD158F55; Tue, 26 Apr 2022 01:39:46 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 6D63160EC4; Tue, 26 Apr 2022 08:39:45 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6E647C385A0; Tue, 26 Apr 2022 08:39:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1650962384; bh=ji0RFgXR37v47Ioji/Ek0sxM2Xxd8cjtq5D9oiSiFpU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=YyIVK1J5vWBELa9ZkHXci6w1RASG9omwaG461doW9C3gHgtaTdhk28RvWb5zWsaiO nhysQRnKTWrFXFoV9YBHlnb9Q3Zo0eL5RYTO1RtScXmjHpGuc4E+cLvk3ArgUuPPU0 TfS1hSpfzRSI/Q3NU42kNU8m/GZ6gw9ezs2J+Djs= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Luis Chamberlain , Christoph Hellwig , Keith Busch , Sagi Grimberg , Sasha Levin Subject: [PATCH 5.15 076/124] nvme-pci: disable namespace identifiers for Qemu controllers Date: Tue, 26 Apr 2022 10:21:17 +0200 Message-Id: <20220426081749.461615444@linuxfoundation.org> X-Mailer: git-send-email 2.36.0 In-Reply-To: <20220426081747.286685339@linuxfoundation.org> References: <20220426081747.286685339@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Christoph Hellwig [ Upstream commit 66dd346b84d79fde20832ed691a54f4881eac20d ] Qemu unconditionally reports a UUID, which depending on the qemu version is either all-null (which is incorrect but harmless) or contains a single bit set for all controllers. In addition it can also optionally report a eui64 which needs to be manually set. Disable namespace identifiers for Qemu controlles entirely even if in some cases they could be set correctly through manual intervention. Reported-by: Luis Chamberlain Signed-off-by: Christoph Hellwig Reviewed-by: Keith Busch Reviewed-by: Sagi Grimberg Signed-off-by: Sasha Levin --- drivers/nvme/host/pci.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index 61f01f5afdc1..d7695bdbde8d 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -3314,7 +3314,10 @@ static const struct pci_device_id nvme_id_table[] = { .driver_data = NVME_QUIRK_IGNORE_DEV_SUBNQN, }, { PCI_VDEVICE(INTEL, 0x5845), /* Qemu emulated controller */ .driver_data = NVME_QUIRK_IDENTIFY_CNS | - NVME_QUIRK_DISABLE_WRITE_ZEROES, }, + NVME_QUIRK_DISABLE_WRITE_ZEROES | + NVME_QUIRK_BOGUS_NID, }, + { PCI_VDEVICE(REDHAT, 0x0010), /* Qemu emulated controller */ + .driver_data = NVME_QUIRK_BOGUS_NID, }, { PCI_DEVICE(0x126f, 0x2263), /* Silicon Motion unidentified */ .driver_data = NVME_QUIRK_NO_NS_DESC_LIST, }, { PCI_DEVICE(0x1bb1, 0x0100), /* Seagate Nytro Flash Storage */