From nobody Sun Feb 8 22:34:45 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.zoho.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 1498734119296268.60282873039887; Thu, 29 Jun 2017 04:01:59 -0700 (PDT) Received: from localhost ([::1]:38329 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dQXCt-0002Wc-Fq for importer@patchew.org; Thu, 29 Jun 2017 07:01:55 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:51644) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dQX8d-00071t-A8 for qemu-devel@nongnu.org; Thu, 29 Jun 2017 06:57:34 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dQX8a-0007zp-2r for qemu-devel@nongnu.org; Thu, 29 Jun 2017 06:57:29 -0400 Received: from mx-v6.kamp.de ([2a02:248:0:51::16]:49001 helo=mx01.kamp.de) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1dQX8Z-0007vC-Qy for qemu-devel@nongnu.org; Thu, 29 Jun 2017 06:57:28 -0400 Received: (qmail 8894 invoked by uid 89); 29 Jun 2017 10:57:23 -0000 Received: from [195.62.97.28] by client-16-kamp (envelope-from , uid 89) with qmail-scanner-2010/03/19-MF (clamdscan: 0.99.2/23517. avast: 1.2.2/17010300. spamassassin: 3.4.1. 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Processed in 0.236644 secs); 29 Jun 2017 10:57:23 -0000 Received: from smtp.kamp.de (HELO submission.kamp.de) ([195.62.97.28]) by mx01.kamp.de with ESMTPS (DHE-RSA-AES256-GCM-SHA384 encrypted); 29 Jun 2017 10:57:20 -0000 Received: (qmail 12761 invoked from network); 29 Jun 2017 10:57:15 -0000 Received: from lieven-pc.kamp-intra.net (HELO lieven-pc) (relay@kamp.de@::ffff:172.21.12.60) by submission.kamp.de with ESMTPS (DHE-RSA-AES256-GCM-SHA384 encrypted) ESMTPA; 29 Jun 2017 10:57:15 -0000 Received: by lieven-pc (Postfix, from userid 1000) id A286926C35; Thu, 29 Jun 2017 12:57:15 +0200 (CEST) X-GL_Whitelist: yes From: Peter Lieven To: qemu-block@nongnu.org Date: Thu, 29 Jun 2017 12:57:05 +0200 Message-Id: <1498733831-15254-3-git-send-email-pl@kamp.de> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1498733831-15254-1-git-send-email-pl@kamp.de> References: <1498733831-15254-1-git-send-email-pl@kamp.de> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 2a02:248:0:51::16 Subject: [Qemu-devel] [PATCH V2 2/8] qapi: add compress parameters to Qcow2 Blockdev options 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: kwolf@redhat.com, Peter Lieven , qemu-devel@nongnu.org, mreitz@redhat.com, den@openvz.org, lersek@redhat.com 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" Signed-off-by: Peter Lieven --- qapi/block-core.json | 44 +++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 43 insertions(+), 1 deletion(-) diff --git a/qapi/block-core.json b/qapi/block-core.json index f85c223..1574ffb 100644 --- a/qapi/block-core.json +++ b/qapi/block-core.json @@ -2282,6 +2282,43 @@ 'mode': 'Qcow2OverlapCheckMode' } } =20 ## +# @Qcow2CompressFormat: +# @zlib: standard zlib deflate compression +# +# Since: 2.10 +## +{ 'enum': 'Qcow2CompressFormat', + 'data': [ 'zlib' ] } + +## +# @Qcow2CompressZLib: +# +# Since: 2.10 +## +{ 'struct': 'Qcow2CompressZLib', + 'data': { } } + +## +# @Qcow2Compress: +# +# Specifies the compression format and compression level that should +# be used for compressed Qcow2 clusters. +# +# @format: specifies the compression format to use. (defaults to zlib) +# +# @level: specifies the compression level. 0 =3D default compression, +# 1 =3D fastest compression, x =3D highest compresion (x may very = between +# different compression formats) +# +# Since: 2.10 +## +{ 'union': 'Qcow2Compress', + 'base': { 'format': 'Qcow2CompressFormat', + 'level': 'uint8' }, + 'discriminator': 'format', + 'data': { 'zlib': 'Qcow2CompressZLib' } } + +## # @BlockdevOptionsQcow2: # # Driver specific block device options for qcow2. @@ -2316,6 +2353,10 @@ # caches. The interval is in seconds. The default = value # is 0 and it disables this feature (since 2.5) # +# @compress: which format and compression level to use for +# compressed clusters. Defaults to zlib with defau= lt +# compression level (since 2.10) +# # Since: 2.9 ## { 'struct': 'BlockdevOptionsQcow2', @@ -2328,7 +2369,8 @@ '*cache-size': 'int', '*l2-cache-size': 'int', '*refcount-cache-size': 'int', - '*cache-clean-interval': 'int' } } + '*cache-clean-interval': 'int', + '*compress': 'Qcow2Compress' } } =20 =20 ## --=20 1.9.1