Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753806AbbKXN1N (ORCPT ); Tue, 24 Nov 2015 08:27:13 -0500 Received: from mail-wm0-f48.google.com ([74.125.82.48]:34668 "EHLO mail-wm0-f48.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753768AbbKXN1H (ORCPT ); Tue, 24 Nov 2015 08:27:07 -0500 From: =?UTF-8?q?Matias=20Bj=C3=B8rling?= To: linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, axboe@fb.com Cc: hch@infradead.org, keith.busch@intel.com, sudipm.mukherjee@gmail.com, ww.tao0320@gmail.com, =?UTF-8?q?Matias=20Bj=C3=B8rling?= Subject: [PATCH 1/5] lightnvm: change vendor and dev id for qemu Date: Tue, 24 Nov 2015 14:26:44 +0100 Message-Id: <1448371608-18053-2-git-send-email-m@bjorling.me> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1448371608-18053-1-git-send-email-m@bjorling.me> References: <1448371608-18053-1-git-send-email-m@bjorling.me> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1375 Lines: 36 The QEMU NVMe simulator uses the intel vendor, qemu device id, and the first vendor specific byte to identify a lightnvm compatible nvme instance. Instead of using the Intel NVMe QEMU instance vendor and device id, let's use a preallocated from CNEX Labs instead. This lets us uniquely identify a QEMU lightnvm device without breaking other vendor specific work in the qemu device driver. Reported-by: Christoph Hellwig Signed-off-by: Matias Bjørling --- drivers/nvme/host/lightnvm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/nvme/host/lightnvm.c b/drivers/nvme/host/lightnvm.c index 9202d1a..0789265 100644 --- a/drivers/nvme/host/lightnvm.c +++ b/drivers/nvme/host/lightnvm.c @@ -577,7 +577,7 @@ int nvme_nvm_ns_supported(struct nvme_ns *ns, struct nvme_id_ns *id) struct pci_dev *pdev = to_pci_dev(dev->dev); /* QEMU NVMe simulator - PCI ID + Vendor specific bit */ - if (pdev->vendor == PCI_VENDOR_ID_INTEL && pdev->device == 0x5845 && + if (pdev->vendor == 0x1d1d && pdev->device == 0x1f1f && id->vs[0] == 0x1) return 1; -- 2.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/