From nobody Sun Feb 8 22:57:51 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of redhat.com designates 209.132.183.28 as permitted sender) client-ip=209.132.183.28; envelope-from=libvir-list-bounces@redhat.com; helo=mx1.redhat.com; Authentication-Results: mx.zoho.com; spf=pass (zoho.com: domain of redhat.com designates 209.132.183.28 as permitted sender) smtp.mailfrom=libvir-list-bounces@redhat.com; Return-Path: Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by mx.zohomail.com with SMTPS id 14897393945325.333131249748817; Fri, 17 Mar 2017 01:29:54 -0700 (PDT) Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 7BA2EC04D280; Fri, 17 Mar 2017 08:29:53 +0000 (UTC) Received: from colo-mx.corp.redhat.com (unknown [10.5.11.21]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 48AEE5C889; Fri, 17 Mar 2017 08:29:53 +0000 (UTC) Received: from lists01.pubmisc.prod.ext.phx2.redhat.com (lists01.pubmisc.prod.ext.phx2.redhat.com [10.5.19.33]) by colo-mx.corp.redhat.com (Postfix) with ESMTP id EFE655EC62; Fri, 17 Mar 2017 08:29:52 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id v2H8TkRv001298 for ; Fri, 17 Mar 2017 04:29:46 -0400 Received: by smtp.corp.redhat.com (Postfix) id EA7765C887; Fri, 17 Mar 2017 08:29:46 +0000 (UTC) Received: from angien.brq.redhat.com (dhcp129-47.brq.redhat.com [10.34.129.47]) by smtp.corp.redhat.com (Postfix) with ESMTP id 45F925C883; Fri, 17 Mar 2017 08:29:46 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com 7BA2EC04D280 Authentication-Results: ext-mx07.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx07.extmail.prod.ext.phx2.redhat.com; spf=pass smtp.mailfrom=libvir-list-bounces@redhat.com DKIM-Filter: OpenDKIM Filter v2.11.0 mx1.redhat.com 7BA2EC04D280 From: Peter Krempa To: libvir-list@redhat.com Date: Fri, 17 Mar 2017 09:30:37 +0100 Message-Id: <804d6b03f3335ea5e6a4d8859dae8e55f4a3afad.1489739397.git.pkrempa@redhat.com> In-Reply-To: References: In-Reply-To: References: X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-loop: libvir-list@redhat.com Cc: Peter Krempa Subject: [libvirt] [PATCH 2/4] qemu: command: Extract blkdeviotune checks into a separate function X-BeenThere: libvir-list@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: Development discussions about the libvirt library & tools List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Sender: libvir-list-bounces@redhat.com Errors-To: libvir-list-bounces@redhat.com X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.31]); Fri, 17 Mar 2017 08:29:54 +0000 (UTC) X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Type: text/plain; charset="utf-8" qemuBuildDriveStr grew into 'megamoth' proportions. Cut out some parts. --- src/qemu/qemu_command.c | 149 ++++++++++++++++++++++++++------------------= ---- 1 file changed, 80 insertions(+), 69 deletions(-) diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c index 61d9eb94a..300c51b39 100644 --- a/src/qemu/qemu_command.c +++ b/src/qemu/qemu_command.c @@ -1199,6 +1199,85 @@ qemuGetDriveSourceString(virStorageSourcePtr src, } +static int +qemuCheckDiskConfigBlkdeviotune(virDomainDiskDefPtr disk, + virQEMUCapsPtr qemuCaps) +{ + /* block I/O throttling */ + if ((disk->blkdeviotune.total_bytes_sec || + disk->blkdeviotune.read_bytes_sec || + disk->blkdeviotune.write_bytes_sec || + disk->blkdeviotune.total_iops_sec || + disk->blkdeviotune.read_iops_sec || + disk->blkdeviotune.write_iops_sec) && + !virQEMUCapsGet(qemuCaps, QEMU_CAPS_DRIVE_IOTUNE)) { + virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", + _("block I/O throttling not supported with this " + "QEMU binary")); + return -1; + } + + /* block I/O throttling 1.7 */ + if ((disk->blkdeviotune.total_bytes_sec_max || + disk->blkdeviotune.read_bytes_sec_max || + disk->blkdeviotune.write_bytes_sec_max || + disk->blkdeviotune.total_iops_sec_max || + disk->blkdeviotune.read_iops_sec_max || + disk->blkdeviotune.write_iops_sec_max || + disk->blkdeviotune.size_iops_sec) && + !virQEMUCapsGet(qemuCaps, QEMU_CAPS_DRIVE_IOTUNE_MAX)) { + virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", + _("there are some block I/O throttling parameters " + "that are not supported with this QEMU binary")); + return -1; + } + + /* block I/O group 2.4 */ + if (disk->blkdeviotune.group_name && + !virQEMUCapsGet(qemuCaps, QEMU_CAPS_DRIVE_IOTUNE_GROUP)) { + virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", + _("the block I/O throttling group parameter is " + "not supported with this QEMU binary")); + return -1; + } + + /* block I/O throttling length 2.6 */ + if ((disk->blkdeviotune.total_bytes_sec_max_length || + disk->blkdeviotune.read_bytes_sec_max_length || + disk->blkdeviotune.write_bytes_sec_max_length || + disk->blkdeviotune.total_iops_sec_max_length || + disk->blkdeviotune.read_iops_sec_max_length || + disk->blkdeviotune.write_iops_sec_max_length) && + !virQEMUCapsGet(qemuCaps, QEMU_CAPS_DRIVE_IOTUNE_MAX_LENGTH)) { + virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", + _("there are some block I/O throttling length param= eters " + "that are not supported with this QEMU binary")); + return -1; + } + + if (disk->blkdeviotune.total_bytes_sec > QEMU_BLOCK_IOTUNE_MAX || + disk->blkdeviotune.read_bytes_sec > QEMU_BLOCK_IOTUNE_MAX || + disk->blkdeviotune.write_bytes_sec > QEMU_BLOCK_IOTUNE_MAX || + disk->blkdeviotune.total_iops_sec > QEMU_BLOCK_IOTUNE_MAX || + disk->blkdeviotune.read_iops_sec > QEMU_BLOCK_IOTUNE_MAX || + disk->blkdeviotune.write_iops_sec > QEMU_BLOCK_IOTUNE_MAX || + disk->blkdeviotune.total_bytes_sec_max > QEMU_BLOCK_IOTUNE_MAX || + disk->blkdeviotune.read_bytes_sec_max > QEMU_BLOCK_IOTUNE_MAX || + disk->blkdeviotune.write_bytes_sec_max > QEMU_BLOCK_IOTUNE_MAX || + disk->blkdeviotune.total_iops_sec_max > QEMU_BLOCK_IOTUNE_MAX || + disk->blkdeviotune.read_iops_sec_max > QEMU_BLOCK_IOTUNE_MAX || + disk->blkdeviotune.write_iops_sec_max > QEMU_BLOCK_IOTUNE_MAX || + disk->blkdeviotune.size_iops_sec > QEMU_BLOCK_IOTUNE_MAX) { + virReportError(VIR_ERR_ARGUMENT_UNSUPPORTED, + _("block I/O throttle limit must " + "be no more than %llu using QEMU"), QEMU_BLOCK_IOT= UNE_MAX); + return -1; + } + + return 0; +} + + /* Perform disk definition config validity checks */ int qemuCheckDiskConfig(virDomainDiskDefPtr disk) @@ -1757,76 +1836,8 @@ qemuBuildDriveStr(virDomainDiskDefPtr disk, } } - /* block I/O throttling */ - if ((disk->blkdeviotune.total_bytes_sec || - disk->blkdeviotune.read_bytes_sec || - disk->blkdeviotune.write_bytes_sec || - disk->blkdeviotune.total_iops_sec || - disk->blkdeviotune.read_iops_sec || - disk->blkdeviotune.write_iops_sec) && - !virQEMUCapsGet(qemuCaps, QEMU_CAPS_DRIVE_IOTUNE)) { - virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", - _("block I/O throttling not supported with this " - "QEMU binary")); + if (qemuCheckDiskConfigBlkdeviotune(disk, qemuCaps) < 0) goto error; - } - - /* block I/O throttling 1.7 */ - if ((disk->blkdeviotune.total_bytes_sec_max || - disk->blkdeviotune.read_bytes_sec_max || - disk->blkdeviotune.write_bytes_sec_max || - disk->blkdeviotune.total_iops_sec_max || - disk->blkdeviotune.read_iops_sec_max || - disk->blkdeviotune.write_iops_sec_max || - disk->blkdeviotune.size_iops_sec) && - !virQEMUCapsGet(qemuCaps, QEMU_CAPS_DRIVE_IOTUNE_MAX)) { - virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", - _("there are some block I/O throttling parameters " - "that are not supported with this QEMU binary")); - goto error; - } - - /* block I/O group 2.4 */ - if (disk->blkdeviotune.group_name && - !virQEMUCapsGet(qemuCaps, QEMU_CAPS_DRIVE_IOTUNE_GROUP)) { - virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", - _("the block I/O throttling group parameter is " - "not supported with this QEMU binary")); - goto error; - } - - /* block I/O throttling length 2.6 */ - if ((disk->blkdeviotune.total_bytes_sec_max_length || - disk->blkdeviotune.read_bytes_sec_max_length || - disk->blkdeviotune.write_bytes_sec_max_length || - disk->blkdeviotune.total_iops_sec_max_length || - disk->blkdeviotune.read_iops_sec_max_length || - disk->blkdeviotune.write_iops_sec_max_length) && - !virQEMUCapsGet(qemuCaps, QEMU_CAPS_DRIVE_IOTUNE_MAX_LENGTH)) { - virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", - _("there are some block I/O throttling length param= eters " - "that are not supported with this QEMU binary")); - goto error; - } - - if (disk->blkdeviotune.total_bytes_sec > QEMU_BLOCK_IOTUNE_MAX || - disk->blkdeviotune.read_bytes_sec > QEMU_BLOCK_IOTUNE_MAX || - disk->blkdeviotune.write_bytes_sec > QEMU_BLOCK_IOTUNE_MAX || - disk->blkdeviotune.total_iops_sec > QEMU_BLOCK_IOTUNE_MAX || - disk->blkdeviotune.read_iops_sec > QEMU_BLOCK_IOTUNE_MAX || - disk->blkdeviotune.write_iops_sec > QEMU_BLOCK_IOTUNE_MAX || - disk->blkdeviotune.total_bytes_sec_max > QEMU_BLOCK_IOTUNE_MAX || - disk->blkdeviotune.read_bytes_sec_max > QEMU_BLOCK_IOTUNE_MAX || - disk->blkdeviotune.write_bytes_sec_max > QEMU_BLOCK_IOTUNE_MAX || - disk->blkdeviotune.total_iops_sec_max > QEMU_BLOCK_IOTUNE_MAX || - disk->blkdeviotune.read_iops_sec_max > QEMU_BLOCK_IOTUNE_MAX || - disk->blkdeviotune.write_iops_sec_max > QEMU_BLOCK_IOTUNE_MAX || - disk->blkdeviotune.size_iops_sec > QEMU_BLOCK_IOTUNE_MAX) { - virReportError(VIR_ERR_ARGUMENT_UNSUPPORTED, - _("block I/O throttle limit must " - "be no more than %llu using QEMU"), QEMU_BLOCK_IOT= UNE_MAX); - goto error; - } #define IOTUNE_ADD(_field, _label) = \ if (disk->blkdeviotune._field) { = \ --=20 2.12.0 -- libvir-list mailing list libvir-list@redhat.com https://www.redhat.com/mailman/listinfo/libvir-list