From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1427482AbeCBPYG (ORCPT ); Fri, 2 Mar 2018 10:24:06 -0500 Received: from mail-wm0-f68.google.com ([74.125.82.68]:52225 "EHLO mail-wm0-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1427198AbeCBPWE (ORCPT ); Fri, 2 Mar 2018 10:22:04 -0500 X-Google-Smtp-Source: AG47ELvMIXe4W/6owI8jgd2NJQYIh/EwIgGS0o0REP7oL+tAZdOsBSjFVcg5ewKnzeNMsXFxuxhuMg== From: "=?UTF-8?q?Javier=20Gonz=C3=A1lez?=" X-Google-Original-From: =?UTF-8?q?Javier=20Gonz=C3=A1lez?= To: mb@lightnvm.io Cc: linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, =?UTF-8?q?Javier=20Gonz=C3=A1lez?= Subject: [PATCH 09/12] lightnvm: pblk: check for supported version Date: Fri, 2 Mar 2018 16:21:17 +0100 Message-Id: <1520004080-27760-10-git-send-email-javier@cnexlabs.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1520004080-27760-1-git-send-email-javier@cnexlabs.com> References: <1520004080-27760-1-git-send-email-javier@cnexlabs.com> 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 At this point, only 1.2 spec is supported, thus check for it. Also, since device-side L2P is only supported in the 1.2 spec, make sure to only check its value under 1.2. Signed-off-by: Javier González --- drivers/lightnvm/pblk-init.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/drivers/lightnvm/pblk-init.c b/drivers/lightnvm/pblk-init.c index 72806bd96d8f..0ad06fa8c7c7 100644 --- a/drivers/lightnvm/pblk-init.c +++ b/drivers/lightnvm/pblk-init.c @@ -1016,9 +1016,15 @@ static void *pblk_init(struct nvm_tgt_dev *dev, struct gendisk *tdisk, struct pblk *pblk; int ret; - if (dev->geo.dom & NVM_RSP_L2P) { + if (geo->version != NVM_OCSSD_SPEC_12) { + pr_err("pblk: OCSSD version not supported (%u)\n", + geo->version); + return ERR_PTR(-EINVAL); + } + + if (geo->version == NVM_OCSSD_SPEC_12 && geo->dom & NVM_RSP_L2P) { pr_err("pblk: host-side L2P table not supported. (%x)\n", - dev->geo.dom); + geo->dom); return ERR_PTR(-EINVAL); } -- 2.7.4