From patchwork Sun Jul 4 07:54:01 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Martin Kepplinger X-Patchwork-Id: 12357261 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=-13.7 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 A6334C07E9A for ; Sun, 4 Jul 2021 07:54:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7F551613B0 for ; Sun, 4 Jul 2021 07:54:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229529AbhGDH4z (ORCPT ); Sun, 4 Jul 2021 03:56:55 -0400 Received: from comms.puri.sm ([159.203.221.185]:33876 "EHLO comms.puri.sm" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229492AbhGDH4z (ORCPT ); Sun, 4 Jul 2021 03:56:55 -0400 Received: from localhost (localhost [127.0.0.1]) by comms.puri.sm (Postfix) with ESMTP id E0C7FDFF0F; Sun, 4 Jul 2021 00:54:19 -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 fT1MghGrs0sK; Sun, 4 Jul 2021 00:54:18 -0700 (PDT) From: Martin Kepplinger To: martin.kepplinger@puri.sm, bvanassche@acm.org Cc: hch@infradead.org, jejb@linux.ibm.com, kernel@puri.sm, 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 v6 1/3] scsi: devinfo: add new flag BLIST_MEDIA_CHANGE Date: Sun, 4 Jul 2021 09:54:01 +0200 Message-Id: <20210704075403.147114-2-martin.kepplinger@puri.sm> In-Reply-To: <20210704075403.147114-1-martin.kepplinger@puri.sm> References: <20210704075403.147114-1-martin.kepplinger@puri.sm> Precedence: bulk List-ID: X-Mailing-List: linux-pm@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 | \