From patchwork Wed Jun 30 08:44:51 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Martin Kepplinger X-Patchwork-Id: 12351607 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 41631C11F65 for ; Wed, 30 Jun 2021 08:45:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1460F61360 for ; Wed, 30 Jun 2021 08:45:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233507AbhF3IsG (ORCPT ); Wed, 30 Jun 2021 04:48:06 -0400 Received: from comms.puri.sm ([159.203.221.185]:59140 "EHLO comms.puri.sm" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232984AbhF3IsF (ORCPT ); Wed, 30 Jun 2021 04:48:05 -0400 Received: from localhost (localhost [127.0.0.1]) by comms.puri.sm (Postfix) with ESMTP id 4D230E02F3; Wed, 30 Jun 2021 01:45:06 -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 vGm7-S1nAwlR; Wed, 30 Jun 2021 01:45:05 -0700 (PDT) From: Martin Kepplinger To: martin.kepplinger@puri.sm, bvanassche@acm.org Cc: jejb@linux.ibm.com, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, linux-scsi@vger.kernel.org, martin.petersen@oracle.com, kernel@puri.sm, stern@rowland.harvard.edu Subject: [PATCH v5 1/3] scsi: devinfo: add new flag BLIST_MEDIA_CHANGE Date: Wed, 30 Jun 2021 10:44:51 +0200 Message-Id: <20210630084453.186764-2-martin.kepplinger@puri.sm> In-Reply-To: <20210630084453.186764-1-martin.kepplinger@puri.sm> References: <20210630084453.186764-1-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 | \