From nobody Sat Feb 7 06:54:57 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1503324743533529.2003479899562; Mon, 21 Aug 2017 07:12:23 -0700 (PDT) Received: from localhost ([::1]:48347 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1djnRG-000496-5y for importer@patchew.org; Mon, 21 Aug 2017 10:12:22 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:54803) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1djnPR-0002tu-62 for qemu-devel@nongnu.org; Mon, 21 Aug 2017 10:10:33 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1djnPL-0001X6-4n for qemu-devel@nongnu.org; Mon, 21 Aug 2017 10:10:29 -0400 Received: from mx1.redhat.com ([209.132.183.28]:58828) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1djnPK-0001Ve-Rt for qemu-devel@nongnu.org; Mon, 21 Aug 2017 10:10:23 -0400 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id D870B7DD09 for ; Mon, 21 Aug 2017 14:10:21 +0000 (UTC) Received: from lemon.redhat.com (ovpn-12-62.pek2.redhat.com [10.72.12.62]) by smtp.corp.redhat.com (Postfix) with ESMTP id 328FA6CDB4; Mon, 21 Aug 2017 14:10:19 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com D870B7DD09 Authentication-Results: ext-mx02.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx02.extmail.prod.ext.phx2.redhat.com; spf=fail smtp.mailfrom=famz@redhat.com From: Fam Zheng To: qemu-devel@nongnu.org Date: Mon, 21 Aug 2017 22:10:05 +0800 Message-Id: <20170821141008.19383-2-famz@redhat.com> In-Reply-To: <20170821141008.19383-1-famz@redhat.com> References: <20170821141008.19383-1-famz@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.26]); Mon, 21 Aug 2017 14:10:22 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH v4 1/4] scsi: Refactor scsi sense interpreting code X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Paolo Bonzini Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" So that it can be reused outside of iscsi.c. Also update MAINTAINERS to include the new files in SCSI section. Signed-off-by: Fam Zheng --- MAINTAINERS | 2 ++ block/iscsi.c | 45 ++++----------------------------------------- include/scsi/scsi.h | 19 +++++++++++++++++++ util/Makefile.objs | 1 + util/scsi.c | 52 +++++++++++++++++++++++++++++++++++++++++++++++++= +++ 5 files changed, 78 insertions(+), 41 deletions(-) create mode 100644 include/scsi/scsi.h create mode 100644 util/scsi.c diff --git a/MAINTAINERS b/MAINTAINERS index ccee28b12d..2a4e5036ae 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -969,7 +969,9 @@ SCSI M: Paolo Bonzini S: Supported F: include/hw/scsi/* +F: include/scsi/* F: hw/scsi/* +F: util/scsi* F: tests/virtio-scsi-test.c T: git git://github.com/bonzini/qemu.git scsi-next =20 diff --git a/block/iscsi.c b/block/iscsi.c index d557c99668..4bed63cd6d 100644 --- a/block/iscsi.c +++ b/block/iscsi.c @@ -40,6 +40,7 @@ #include "qmp-commands.h" #include "qapi/qmp/qstring.h" #include "crypto/secret.h" +#include "scsi/scsi.h" =20 #include #include @@ -209,47 +210,9 @@ static inline unsigned exp_random(double mean) =20 static int iscsi_translate_sense(struct scsi_sense *sense) { - int ret; - - switch (sense->key) { - case SCSI_SENSE_NOT_READY: - return -EBUSY; - case SCSI_SENSE_DATA_PROTECTION: - return -EACCES; - case SCSI_SENSE_COMMAND_ABORTED: - return -ECANCELED; - case SCSI_SENSE_ILLEGAL_REQUEST: - /* Parse ASCQ */ - break; - default: - return -EIO; - } - switch (sense->ascq) { - case SCSI_SENSE_ASCQ_PARAMETER_LIST_LENGTH_ERROR: - case SCSI_SENSE_ASCQ_INVALID_OPERATION_CODE: - case SCSI_SENSE_ASCQ_INVALID_FIELD_IN_CDB: - case SCSI_SENSE_ASCQ_INVALID_FIELD_IN_PARAMETER_LIST: - ret =3D -EINVAL; - break; - case SCSI_SENSE_ASCQ_LBA_OUT_OF_RANGE: - ret =3D -ENOSPC; - break; - case SCSI_SENSE_ASCQ_LOGICAL_UNIT_NOT_SUPPORTED: - ret =3D -ENOTSUP; - break; - case SCSI_SENSE_ASCQ_MEDIUM_NOT_PRESENT: - case SCSI_SENSE_ASCQ_MEDIUM_NOT_PRESENT_TRAY_CLOSED: - case SCSI_SENSE_ASCQ_MEDIUM_NOT_PRESENT_TRAY_OPEN: - ret =3D -ENOMEDIUM; - break; - case SCSI_SENSE_ASCQ_WRITE_PROTECTED: - ret =3D -EACCES; - break; - default: - ret =3D -EIO; - break; - } - return ret; + return - scsi_sense_to_errno(sense->key, + (sense->ascq & 0xFF00) >> 8, + sense->ascq & 0xFF); } =20 /* Called (via iscsi_service) with QemuMutex held. */ diff --git a/include/scsi/scsi.h b/include/scsi/scsi.h new file mode 100644 index 0000000000..f894ace4bf --- /dev/null +++ b/include/scsi/scsi.h @@ -0,0 +1,19 @@ +/* + * SCSI helpers + * + * Copyright 2017 Red Hat, Inc. + * + * Authors: + * Fam Zheng + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the F= ree + * Software Foundation; either version 2 of the License, or (at your optio= n) + * any later version. + */ +#ifndef QEMU_SCSI_H +#define QEMU_SCSI_H + +int scsi_sense_to_errno(int key, int asc, int ascq); + +#endif diff --git a/util/Makefile.objs b/util/Makefile.objs index 50a55ecc75..c9e6c493d3 100644 --- a/util/Makefile.objs +++ b/util/Makefile.objs @@ -45,3 +45,4 @@ util-obj-y +=3D qht.o util-obj-y +=3D range.o util-obj-y +=3D stats64.o util-obj-y +=3D systemd.o +util-obj-y +=3D scsi.o diff --git a/util/scsi.c b/util/scsi.c new file mode 100644 index 0000000000..a6710799fc --- /dev/null +++ b/util/scsi.c @@ -0,0 +1,52 @@ +/* + * SCSI helpers + * + * Copyright 2017 Red Hat, Inc. + * + * Authors: + * Fam Zheng + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the F= ree + * Software Foundation; either version 2 of the License, or (at your optio= n) + * any later version. + */ + +#include "qemu/osdep.h" +#include "scsi/scsi.h" + +int scsi_sense_to_errno(int key, int asc, int ascq) +{ + switch (key) { + case 0x02: /* NOT READY */ + return EBUSY; + case 0x07: /* DATA PROTECTION */ + return EACCES; + case 0x0b: /* COMMAND ABORTED */ + return ECANCELED; + case 0x05: /* ILLEGAL REQUEST */ + /* Parse ASCQ */ + break; + default: + return EIO; + } + switch ((asc << 8) | ascq) { + case 0x1a00: /* PARAMETER LIST LENGTH ERROR */ + case 0x2000: /* INVALID OPERATION CODE */ + case 0x2400: /* INVALID FIELD IN CDB */ + case 0x2600: /* INVALID FIELD IN PARAMETER LIST */ + return EINVAL; + case 0x2100: /* LBA OUT OF RANGE */ + return ENOSPC; + case 0x2500: /* LOGICAL UNIT NOT SUPPORTED */ + return ENOTSUP; + case 0x3a00: /* MEDIUM NOT PRESENT */ + case 0x3a01: /* MEDIUM NOT PRESENT TRAY CLOSED */ + case 0x3a02: /* MEDIUM NOT PRESENT TRAY OPEN */ + return ENOMEDIUM; + case 0x2700: /* WRITE PROTECTED */ + return EACCES; + default: + return EIO; + } +} --=20 2.13.5