From nobody Mon Feb 9 03:12:27 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; dmarc=fail(p=none dis=none) header.from=redhat.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1520867525215275.4280901737392; Mon, 12 Mar 2018 08:12:05 -0700 (PDT) Received: from localhost ([::1]:59437 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1evP7M-0003iO-Ci for importer@patchew.org; Mon, 12 Mar 2018 11:12:04 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:47870) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1evOyT-0004oS-MG for qemu-devel@nongnu.org; Mon, 12 Mar 2018 11:02:54 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1evOyN-0002zs-QV for qemu-devel@nongnu.org; Mon, 12 Mar 2018 11:02:53 -0400 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:33296 helo=mx1.redhat.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1evOy7-0002hG-KJ; Mon, 12 Mar 2018 11:02:31 -0400 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.rdu2.redhat.com [10.11.54.6]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 2AC83C33F; Mon, 12 Mar 2018 15:02:31 +0000 (UTC) Received: from localhost.localdomain.com (ovpn-116-66.ams2.redhat.com [10.36.116.66]) by smtp.corp.redhat.com (Postfix) with ESMTP id 1AAA1215CDAE; Mon, 12 Mar 2018 15:02:29 +0000 (UTC) From: Kevin Wolf To: qemu-block@nongnu.org Date: Mon, 12 Mar 2018 16:02:15 +0100 Message-Id: <20180312150218.1314-4-kwolf@redhat.com> In-Reply-To: <20180312150218.1314-1-kwolf@redhat.com> References: <20180312150218.1314-1-kwolf@redhat.com> X-Scanned-By: MIMEDefang 2.78 on 10.11.54.6 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.1]); Mon, 12 Mar 2018 15:02:31 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.1]); Mon, 12 Mar 2018 15:02:31 +0000 (UTC) for IP:'10.11.54.6' DOMAIN:'int-mx06.intmail.prod.int.rdu2.redhat.com' HELO:'smtp.corp.redhat.com' FROM:'kwolf@redhat.com' RCPT:'' X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 66.187.233.73 Subject: [Qemu-devel] [PATCH v2 3/6] luks: Support .bdrv_co_create 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, qemu-devel@nongnu.org, mreitz@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" This adds the .bdrv_co_create driver callback to luks, which enables image creation over QMP. Signed-off-by: Kevin Wolf Reviewed-by: Daniel P. Berrang=C3=A9 --- qapi/block-core.json | 17 ++++++++++++++++- block/crypto.c | 34 ++++++++++++++++++++++++++++++++++ 2 files changed, 50 insertions(+), 1 deletion(-) diff --git a/qapi/block-core.json b/qapi/block-core.json index 524d51567a..751adf89f4 100644 --- a/qapi/block-core.json +++ b/qapi/block-core.json @@ -3452,6 +3452,21 @@ '*preallocation': 'PreallocMode' } } =20 ## +# @BlockdevCreateOptionsLUKS: +# +# Driver specific image creation options for LUKS. +# +# @file Node to create the image format on +# @size Size of the virtual disk in bytes +# +# Since: 2.12 +## +{ 'struct': 'BlockdevCreateOptionsLUKS', + 'base': 'QCryptoBlockCreateOptionsLUKS', + 'data': { 'file': 'BlockdevRef', + 'size': 'size' } } + +## # @BlockdevCreateOptionsNfs: # # Driver specific image creation options for NFS. @@ -3643,7 +3658,7 @@ 'http': 'BlockdevCreateNotSupported', 'https': 'BlockdevCreateNotSupported', 'iscsi': 'BlockdevCreateNotSupported', - 'luks': 'BlockdevCreateNotSupported', + 'luks': 'BlockdevCreateOptionsLUKS', 'nbd': 'BlockdevCreateNotSupported', 'nfs': 'BlockdevCreateOptionsNfs', 'null-aio': 'BlockdevCreateNotSupported', diff --git a/block/crypto.c b/block/crypto.c index b0a4cb3388..a1139b6f09 100644 --- a/block/crypto.c +++ b/block/crypto.c @@ -543,6 +543,39 @@ static int block_crypto_open_luks(BlockDriverState *bs, bs, options, flags, errp); } =20 +static int coroutine_fn +block_crypto_co_create_luks(BlockdevCreateOptions *create_options, Error *= *errp) +{ + BlockdevCreateOptionsLUKS *luks_opts; + BlockDriverState *bs =3D NULL; + QCryptoBlockCreateOptions create_opts; + int ret; + + assert(create_options->driver =3D=3D BLOCKDEV_DRIVER_LUKS); + luks_opts =3D &create_options->u.luks; + + bs =3D bdrv_open_blockdev_ref(luks_opts->file, errp); + if (bs =3D=3D NULL) { + return -EIO; + } + + create_opts =3D (QCryptoBlockCreateOptions) { + .format =3D Q_CRYPTO_BLOCK_FORMAT_LUKS, + .u.luks =3D *qapi_BlockdevCreateOptionsLUKS_base(luks_opts), + }; + + ret =3D block_crypto_co_create_generic(bs, luks_opts->size, &create_op= ts, + errp); + if (ret < 0) { + goto fail; + } + + ret =3D 0; +fail: + bdrv_unref(bs); + return ret; +} + static int coroutine_fn block_crypto_co_create_opts_luks(const char *filen= ame, QemuOpts *opts, Error **errp) @@ -647,6 +680,7 @@ BlockDriver bdrv_crypto_luks =3D { .bdrv_open =3D block_crypto_open_luks, .bdrv_close =3D block_crypto_close, .bdrv_child_perm =3D bdrv_format_default_perms, + .bdrv_co_create =3D block_crypto_co_create_luks, .bdrv_co_create_opts =3D block_crypto_co_create_opts_luks, .bdrv_truncate =3D block_crypto_truncate, .create_opts =3D &block_crypto_create_opts_luks, --=20 2.13.6