From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752758AbeC2WHi (ORCPT ); Thu, 29 Mar 2018 18:07:38 -0400 Received: from mail-lf0-f68.google.com ([209.85.215.68]:39030 "EHLO mail-lf0-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752640AbeC2WH0 (ORCPT ); Thu, 29 Mar 2018 18:07:26 -0400 X-Google-Smtp-Source: AIpwx4+wGNm1Zenb9g5dkG6wAF838QpCrnIGgt72E30fG78iJ5VNJ4tsRJaSJ5DEQGLL3UG2R6iW0Q== From: =?UTF-8?q?Matias=20Bj=C3=B8rling?= To: axboe@fb.com Cc: linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, keith.busch@intel.com, javier@cnexlabs.com, =?UTF-8?q?Matias=20Bj=C3=B8rling?= Subject: [GIT PULL 25/37] lightnvm: add shorten OCSSD version in geo Date: Fri, 30 Mar 2018 00:05:12 +0200 Message-Id: <20180329220524.30363-26-mb@lightnvm.io> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20180329220524.30363-1-mb@lightnvm.io> References: <20180329220524.30363-1-mb@lightnvm.io> 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 From: Javier González Create a shorten version to use in the generic geometry. Signed-off-by: Javier González Signed-off-by: Matias Bjørling --- drivers/nvme/host/lightnvm.c | 6 ++++++ include/linux/lightnvm.h | 8 ++++++++ 2 files changed, 14 insertions(+) diff --git a/drivers/nvme/host/lightnvm.c b/drivers/nvme/host/lightnvm.c index de4105544956..f7f7769e7588 100644 --- a/drivers/nvme/host/lightnvm.c +++ b/drivers/nvme/host/lightnvm.c @@ -299,6 +299,9 @@ static int nvme_nvm_setup_12(struct nvme_nvm_id12 *id, geo->major_ver_id = id->ver_id; geo->minor_ver_id = 2; + /* Set compacted version for upper layers */ + geo->version = NVM_OCSSD_SPEC_12; + geo->nr_chnls = src->num_ch; geo->nr_luns = src->num_lun; geo->all_luns = geo->nr_chnls * geo->nr_luns; @@ -384,6 +387,9 @@ static int nvme_nvm_setup_20(struct nvme_nvm_id20 *id, geo->major_ver_id = id->mjr; geo->minor_ver_id = id->mnr; + /* Set compacted version for upper layers */ + geo->version = NVM_OCSSD_SPEC_20; + if (!(geo->major_ver_id == 2 && geo->minor_ver_id == 0)) { pr_err("nvm: OCSSD version not supported (v%d.%d)\n", geo->major_ver_id, geo->minor_ver_id); diff --git a/include/linux/lightnvm.h b/include/linux/lightnvm.h index 7ed8b92d6744..a073c0c76260 100644 --- a/include/linux/lightnvm.h +++ b/include/linux/lightnvm.h @@ -23,6 +23,11 @@ enum { #define NVM_LUN_BITS (8) #define NVM_CH_BITS (7) +enum { + NVM_OCSSD_SPEC_12 = 12, + NVM_OCSSD_SPEC_20 = 20, +}; + struct ppa_addr { /* Generic structure for all addresses */ union { @@ -266,6 +271,9 @@ struct nvm_geo { u8 major_ver_id; u8 minor_ver_id; + /* kernel short version */ + u8 version; + /* instance specific geometry */ int nr_chnls; int nr_luns; /* per channel */ -- 2.11.0