From patchwork Sun Mar 28 10:25:29 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Martin Kepplinger X-Patchwork-Id: 411117 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A6011C433E4 for ; Sun, 28 Mar 2021 10:26:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8A72961976 for ; Sun, 28 Mar 2021 10:26:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229503AbhC1K0I (ORCPT ); Sun, 28 Mar 2021 06:26:08 -0400 Received: from comms.puri.sm ([159.203.221.185]:56160 "EHLO comms.puri.sm" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230187AbhC1KZv (ORCPT ); Sun, 28 Mar 2021 06:25:51 -0400 Received: from localhost (localhost [127.0.0.1]) by comms.puri.sm (Postfix) with ESMTP id 9205EE01BD; Sun, 28 Mar 2021 03:25:51 -0700 (PDT) Received: from comms.puri.sm ([127.0.0.1]) by localhost (comms.puri.sm [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id N1TBwJ6UZ0TE; Sun, 28 Mar 2021 03:25:50 -0700 (PDT) From: Martin Kepplinger To: martin.kepplinger@puri.sm Cc: bvanassche@acm.org, jejb@linux.ibm.com, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-pm@vger.kernel.org, martin.petersen@oracle.com, stern@rowland.harvard.edu Subject: [PATCH v3 2/4] scsi: devinfo: add new flag BLIST_MEDIA_CHANGE Date: Sun, 28 Mar 2021 12:25:29 +0200 Message-Id: <20210328102531.1114535-3-martin.kepplinger@puri.sm> In-Reply-To: <20210328102531.1114535-1-martin.kepplinger@puri.sm> References: <20210328102531.1114535-1-martin.kepplinger@puri.sm> Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org add a new flag for devices that issue MEDIA CHANGE unit attentions when actually no medium changed. Drivers can for example set the expecting_media_change device flag in order to ignore the next following MEDIA CHANGE unit attention. Signed-off-by: Martin Kepplinger --- include/scsi/scsi_devinfo.h | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/include/scsi/scsi_devinfo.h b/include/scsi/scsi_devinfo.h index 3fdb322d4c4b..dee9dce14887 100644 --- a/include/scsi/scsi_devinfo.h +++ b/include/scsi/scsi_devinfo.h @@ -28,7 +28,8 @@ #define BLIST_LARGELUN ((__force blist_flags_t)(1ULL << 9)) /* override additional length field */ #define BLIST_INQUIRY_36 ((__force blist_flags_t)(1ULL << 10)) -#define __BLIST_UNUSED_11 ((__force blist_flags_t)(1ULL << 11)) +/* Ignore the next media change event */ +#define BLIST_MEDIA_CHANGE ((__force blist_flags_t)(1ULL << 11)) /* do not do automatic start on add */ #define BLIST_NOSTARTONADD ((__force blist_flags_t)(1ULL << 12)) #define __BLIST_UNUSED_13 ((__force blist_flags_t)(1ULL << 13)) @@ -73,8 +74,7 @@ #define __BLIST_HIGH_UNUSED (~(__BLIST_LAST_USED | \ (__force blist_flags_t) \ ((__force __u64)__BLIST_LAST_USED - 1ULL))) -#define __BLIST_UNUSED_MASK (__BLIST_UNUSED_11 | \ - __BLIST_UNUSED_13 | \ +#define __BLIST_UNUSED_MASK (__BLIST_UNUSED_13 | \ __BLIST_UNUSED_14 | \ __BLIST_UNUSED_15 | \ __BLIST_UNUSED_16 | \