From patchwork Tue Apr 27 08:30:22 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hannes Reinecke X-Patchwork-Id: 428307 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=-16.8 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, USER_AGENT_GIT autolearn=ham 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 58D60C433B4 for ; Tue, 27 Apr 2021 08:31:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1CC006113D for ; Tue, 27 Apr 2021 08:31:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235225AbhD0IcL (ORCPT ); Tue, 27 Apr 2021 04:32:11 -0400 Received: from mx2.suse.de ([195.135.220.15]:49410 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235166AbhD0Ib5 (ORCPT ); Tue, 27 Apr 2021 04:31:57 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 60DACB0D0; Tue, 27 Apr 2021 08:31:06 +0000 (UTC) From: Hannes Reinecke To: "Martin K. Petersen" Cc: Christoph Hellwig , James Bottomley , Bart van Assche , linux-scsi@vger.kernel.org, Hannes Reinecke Subject: [PATCH 16/40] scsi: add get_{status,host}_byte() accessor function Date: Tue, 27 Apr 2021 10:30:22 +0200 Message-Id: <20210427083046.31620-17-hare@suse.de> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210427083046.31620-1-hare@suse.de> References: <20210427083046.31620-1-hare@suse.de> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Add accessor functions for the host and status byte. Signed-off-by: Hannes Reinecke Reviewed-by: Bart Van Assche Reviewed-by: Christoph Hellwig --- include/scsi/scsi_cmnd.h | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h index a1eb7732aa1b..2c7b4102aa14 100644 --- a/include/scsi/scsi_cmnd.h +++ b/include/scsi/scsi_cmnd.h @@ -316,6 +316,11 @@ static inline void set_status_byte(struct scsi_cmnd *cmd, char status) cmd->result = (cmd->result & 0xffffff00) | status; } +static inline u8 get_status_byte(struct scsi_cmnd *cmd) +{ + return cmd->result & 0xff; +} + static inline void set_msg_byte(struct scsi_cmnd *cmd, char status) { cmd->result = (cmd->result & 0xffff00ff) | (status << 8); @@ -326,6 +331,11 @@ static inline void set_host_byte(struct scsi_cmnd *cmd, char status) cmd->result = (cmd->result & 0xff00ffff) | (status << 16); } +static inline u8 get_host_byte(struct scsi_cmnd *cmd) +{ + return (cmd->result >> 16) & 0xff; +} + static inline unsigned scsi_transfer_length(struct scsi_cmnd *scmd) {