From patchwork Mon Jun 28 13:34:10 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Martin Kepplinger X-Patchwork-Id: 12348059 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 56CECC49EB7 for ; Mon, 28 Jun 2021 13:35:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4579361C6C for ; Mon, 28 Jun 2021 13:35:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232230AbhF1NhY (ORCPT ); Mon, 28 Jun 2021 09:37:24 -0400 Received: from comms.puri.sm ([159.203.221.185]:47356 "EHLO comms.puri.sm" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232087AbhF1NhA (ORCPT ); Mon, 28 Jun 2021 09:37:00 -0400 Received: from localhost (localhost [127.0.0.1]) by comms.puri.sm (Postfix) with ESMTP id 8A547E01BB; Mon, 28 Jun 2021 06:34:33 -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 XCCfshehQNc1; Mon, 28 Jun 2021 06:34:32 -0700 (PDT) From: Martin Kepplinger To: martin.kepplinger@puri.sm Cc: bvanassche@acm.org, jejb@linux.ibm.com, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, linux-scsi@vger.kernel.org, martin.petersen@oracle.com, stern@rowland.harvard.edu Subject: [PATCH v4 1/3] scsi: devinfo: add new flag BLIST_MEDIA_CHANGE Date: Mon, 28 Jun 2021 15:34:10 +0200 Message-Id: <20210628133412.1172068-2-martin.kepplinger@puri.sm> In-Reply-To: <20210628133412.1172068-1-martin.kepplinger@puri.sm> References: <20210628133412.1172068-1-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 then act accordingly in case they need to work around it, i.e. in resume(). Signed-off-by: Martin Kepplinger Reviewed-by: Bart Van Assche --- 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..766fa876598e 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 one MEDIA CHANGE unit attention after resuming from runtime suspend */ +#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 | \