From patchwork Mon Jun 8 09:40:20 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Maxim Levitsky X-Patchwork-Id: 11592903 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id CD0FA13B1 for ; Mon, 8 Jun 2020 09:41:53 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 93645206D5 for ; Mon, 8 Jun 2020 09:41:53 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="QiUa+XTY" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 93645206D5 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Received: from localhost ([::1]:43894 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jiEHw-0007op-MO for patchwork-qemu-devel@patchwork.kernel.org; Mon, 08 Jun 2020 05:41:52 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:50074) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jiEGy-00064U-6u for qemu-devel@nongnu.org; Mon, 08 Jun 2020 05:40:52 -0400 Received: from us-smtp-delivery-1.mimecast.com ([205.139.110.120]:20724 helo=us-smtp-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1jiEGw-00029i-Oq for qemu-devel@nongnu.org; Mon, 08 Jun 2020 05:40:51 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1591609250; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=dSqSMTm3xEze74IeDBuJQBBTmq5lHm1prF9nOKlWs4Y=; b=QiUa+XTYnlDqv0Oaj8UnVpZJsiu7gHRwQxLrInF8rUPyas7X9m7d91mhIkclZjWJQ5SnCy 3uDO5b2KmtLrMfXnID6P31LkK+a/eh7P/IzvH5HC6SYLp47AyY/kt4f0/2Fi1Jx+K4HqRq tT60uu4ZM2WZ7R96MJuUxMfdwz7EJ3Q= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-38-tV2IJ-P7NVaeg7QyFuHlGw-1; Mon, 08 Jun 2020 05:40:48 -0400 X-MC-Unique: tV2IJ-P7NVaeg7QyFuHlGw-1 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 3F1BB1940920; Mon, 8 Jun 2020 09:40:47 +0000 (UTC) Received: from starship.redhat.com (unknown [10.35.206.112]) by smtp.corp.redhat.com (Postfix) with ESMTP id C55CA1CA; Mon, 8 Jun 2020 09:40:44 +0000 (UTC) From: Maxim Levitsky To: qemu-devel@nongnu.org Subject: [PATCH v8 04/14] block/amend: separate amend and create options for qemu-img Date: Mon, 8 Jun 2020 12:40:20 +0300 Message-Id: <20200608094030.670121-5-mlevitsk@redhat.com> In-Reply-To: <20200608094030.670121-1-mlevitsk@redhat.com> References: <20200608094030.670121-1-mlevitsk@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=205.139.110.120; envelope-from=mlevitsk@redhat.com; helo=us-smtp-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/06/08 01:05:50 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_PASS=-0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kevin Wolf , =?utf-8?q?Daniel_P=2E_Berrang=C3=A9?= , qemu-block@nongnu.org, John Snow , Markus Armbruster , Max Reitz , Maxim Levitsky Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" Some options are only useful for creation (or hard to be amended, like cluster size for qcow2), while some other options are only useful for amend, like upcoming keyslot management options for luks Since currently only qcow2 supports amend, move all its options to a common macro and then include it in each action option list. In future it might be useful to remove some options which are not supported anyway from amend list, which currently cause an error message if amended. Signed-off-by: Maxim Levitsky Reviewed-by: Daniel P. Berrangé Reviewed-by: Max Reitz --- block/qcow2.c | 173 +++++++++++++++++++++----------------- include/block/block_int.h | 4 + qemu-img.c | 18 ++-- 3 files changed, 107 insertions(+), 88 deletions(-) diff --git a/block/qcow2.c b/block/qcow2.c index 2ab0c382f7..fcfd90f2e2 100644 --- a/block/qcow2.c +++ b/block/qcow2.c @@ -5649,89 +5649,103 @@ void qcow2_signal_corruption(BlockDriverState *bs, bool fatal, int64_t offset, s->signaled_corruption = true; } +#define QCOW_COMMON_OPTIONS \ + { \ + .name = BLOCK_OPT_SIZE, \ + .type = QEMU_OPT_SIZE, \ + .help = "Virtual disk size" \ + }, \ + { \ + .name = BLOCK_OPT_COMPAT_LEVEL, \ + .type = QEMU_OPT_STRING, \ + .help = "Compatibility level (v2 [0.10] or v3 [1.1])" \ + }, \ + { \ + .name = BLOCK_OPT_BACKING_FILE, \ + .type = QEMU_OPT_STRING, \ + .help = "File name of a base image" \ + }, \ + { \ + .name = BLOCK_OPT_BACKING_FMT, \ + .type = QEMU_OPT_STRING, \ + .help = "Image format of the base image" \ + }, \ + { \ + .name = BLOCK_OPT_DATA_FILE, \ + .type = QEMU_OPT_STRING, \ + .help = "File name of an external data file" \ + }, \ + { \ + .name = BLOCK_OPT_DATA_FILE_RAW, \ + .type = QEMU_OPT_BOOL, \ + .help = "The external data file must stay valid " \ + "as a raw image" \ + }, \ + { \ + .name = BLOCK_OPT_ENCRYPT, \ + .type = QEMU_OPT_BOOL, \ + .help = "Encrypt the image with format 'aes'. (Deprecated " \ + "in favor of " BLOCK_OPT_ENCRYPT_FORMAT "=aes)", \ + }, \ + { \ + .name = BLOCK_OPT_ENCRYPT_FORMAT, \ + .type = QEMU_OPT_STRING, \ + .help = "Encrypt the image, format choices: 'aes', 'luks'", \ + }, \ + BLOCK_CRYPTO_OPT_DEF_KEY_SECRET("encrypt.", \ + "ID of secret providing qcow AES key or LUKS passphrase"), \ + BLOCK_CRYPTO_OPT_DEF_LUKS_CIPHER_ALG("encrypt."), \ + BLOCK_CRYPTO_OPT_DEF_LUKS_CIPHER_MODE("encrypt."), \ + BLOCK_CRYPTO_OPT_DEF_LUKS_IVGEN_ALG("encrypt."), \ + BLOCK_CRYPTO_OPT_DEF_LUKS_IVGEN_HASH_ALG("encrypt."), \ + BLOCK_CRYPTO_OPT_DEF_LUKS_HASH_ALG("encrypt."), \ + BLOCK_CRYPTO_OPT_DEF_LUKS_ITER_TIME("encrypt."), \ + { \ + .name = BLOCK_OPT_CLUSTER_SIZE, \ + .type = QEMU_OPT_SIZE, \ + .help = "qcow2 cluster size", \ + .def_value_str = stringify(DEFAULT_CLUSTER_SIZE) \ + }, \ + { \ + .name = BLOCK_OPT_PREALLOC, \ + .type = QEMU_OPT_STRING, \ + .help = "Preallocation mode (allowed values: off, " \ + "metadata, falloc, full)" \ + }, \ + { \ + .name = BLOCK_OPT_LAZY_REFCOUNTS, \ + .type = QEMU_OPT_BOOL, \ + .help = "Postpone refcount updates", \ + .def_value_str = "off" \ + }, \ + { \ + .name = BLOCK_OPT_REFCOUNT_BITS, \ + .type = QEMU_OPT_NUMBER, \ + .help = "Width of a reference count entry in bits", \ + .def_value_str = "16" \ + }, \ + { \ + .name = BLOCK_OPT_COMPRESSION_TYPE, \ + .type = QEMU_OPT_STRING, \ + .help = "Compression method used for image cluster " \ + "compression", \ + .def_value_str = "zlib" \ + } + static QemuOptsList qcow2_create_opts = { .name = "qcow2-create-opts", .head = QTAILQ_HEAD_INITIALIZER(qcow2_create_opts.head), .desc = { - { - .name = BLOCK_OPT_SIZE, - .type = QEMU_OPT_SIZE, - .help = "Virtual disk size" - }, - { - .name = BLOCK_OPT_COMPAT_LEVEL, - .type = QEMU_OPT_STRING, - .help = "Compatibility level (v2 [0.10] or v3 [1.1])" - }, - { - .name = BLOCK_OPT_BACKING_FILE, - .type = QEMU_OPT_STRING, - .help = "File name of a base image" - }, - { - .name = BLOCK_OPT_BACKING_FMT, - .type = QEMU_OPT_STRING, - .help = "Image format of the base image" - }, - { - .name = BLOCK_OPT_DATA_FILE, - .type = QEMU_OPT_STRING, - .help = "File name of an external data file" - }, - { - .name = BLOCK_OPT_DATA_FILE_RAW, - .type = QEMU_OPT_BOOL, - .help = "The external data file must stay valid as a raw image" - }, - { - .name = BLOCK_OPT_ENCRYPT, - .type = QEMU_OPT_BOOL, - .help = "Encrypt the image with format 'aes'. (Deprecated " - "in favor of " BLOCK_OPT_ENCRYPT_FORMAT "=aes)", - }, - { - .name = BLOCK_OPT_ENCRYPT_FORMAT, - .type = QEMU_OPT_STRING, - .help = "Encrypt the image, format choices: 'aes', 'luks'", - }, - BLOCK_CRYPTO_OPT_DEF_KEY_SECRET("encrypt.", - "ID of secret providing qcow AES key or LUKS passphrase"), - BLOCK_CRYPTO_OPT_DEF_LUKS_CIPHER_ALG("encrypt."), - BLOCK_CRYPTO_OPT_DEF_LUKS_CIPHER_MODE("encrypt."), - BLOCK_CRYPTO_OPT_DEF_LUKS_IVGEN_ALG("encrypt."), - BLOCK_CRYPTO_OPT_DEF_LUKS_IVGEN_HASH_ALG("encrypt."), - BLOCK_CRYPTO_OPT_DEF_LUKS_HASH_ALG("encrypt."), - BLOCK_CRYPTO_OPT_DEF_LUKS_ITER_TIME("encrypt."), - { - .name = BLOCK_OPT_CLUSTER_SIZE, - .type = QEMU_OPT_SIZE, - .help = "qcow2 cluster size", - .def_value_str = stringify(DEFAULT_CLUSTER_SIZE) - }, - { - .name = BLOCK_OPT_PREALLOC, - .type = QEMU_OPT_STRING, - .help = "Preallocation mode (allowed values: off, metadata, " - "falloc, full)" - }, - { - .name = BLOCK_OPT_LAZY_REFCOUNTS, - .type = QEMU_OPT_BOOL, - .help = "Postpone refcount updates", - .def_value_str = "off" - }, - { - .name = BLOCK_OPT_REFCOUNT_BITS, - .type = QEMU_OPT_NUMBER, - .help = "Width of a reference count entry in bits", - .def_value_str = "16" - }, - { - .name = BLOCK_OPT_COMPRESSION_TYPE, - .type = QEMU_OPT_STRING, - .help = "Compression method used for image cluster compression", - .def_value_str = "zlib" - }, + QCOW_COMMON_OPTIONS, + { /* end of list */ } + } +}; + +static QemuOptsList qcow2_amend_opts = { + .name = "qcow2-amend-opts", + .head = QTAILQ_HEAD_INITIALIZER(qcow2_amend_opts.head), + .desc = { + QCOW_COMMON_OPTIONS, { /* end of list */ } } }; @@ -5792,6 +5806,7 @@ BlockDriver bdrv_qcow2 = { .bdrv_inactivate = qcow2_inactivate, .create_opts = &qcow2_create_opts, + .amend_opts = &qcow2_amend_opts, .strong_runtime_opts = qcow2_strong_runtime_opts, .mutable_opts = mutable_opts, .bdrv_co_check = qcow2_co_check, diff --git a/include/block/block_int.h b/include/block/block_int.h index 066b9eaa40..ed335519cc 100644 --- a/include/block/block_int.h +++ b/include/block/block_int.h @@ -420,6 +420,10 @@ struct BlockDriver { /* List of options for creating images, terminated by name == NULL */ QemuOptsList *create_opts; + + /* List of options for image amend */ + QemuOptsList *amend_opts; + /* * If this driver supports reopening images this contains a * NULL-terminated list of the runtime options that can be diff --git a/qemu-img.c b/qemu-img.c index 10d81f09db..0c4541b017 100644 --- a/qemu-img.c +++ b/qemu-img.c @@ -4077,11 +4077,11 @@ static int print_amend_option_help(const char *format) return 1; } - /* Every driver supporting amendment must have create_opts */ - assert(drv->create_opts); + /* Every driver supporting amendment must have amend_opts */ + assert(drv->amend_opts); printf("Creation options for '%s':\n", format); - qemu_opts_print_help(drv->create_opts, false); + qemu_opts_print_help(drv->amend_opts, false); printf("\nNote that not all of these options may be amendable.\n"); return 0; } @@ -4091,7 +4091,7 @@ static int img_amend(int argc, char **argv) Error *err = NULL; int c, ret = 0; char *options = NULL; - QemuOptsList *create_opts = NULL; + QemuOptsList *amend_opts = NULL; QemuOpts *opts = NULL; const char *fmt = NULL, *filename, *cache; int flags; @@ -4222,11 +4222,11 @@ static int img_amend(int argc, char **argv) goto out; } - /* Every driver supporting amendment must have create_opts */ - assert(bs->drv->create_opts); + /* Every driver supporting amendment must have amend_opts */ + assert(bs->drv->amend_opts); - create_opts = qemu_opts_append(create_opts, bs->drv->create_opts); - opts = qemu_opts_create(create_opts, NULL, 0, &error_abort); + amend_opts = qemu_opts_append(amend_opts, bs->drv->amend_opts); + opts = qemu_opts_create(amend_opts, NULL, 0, &error_abort); qemu_opts_do_parse(opts, options, NULL, &err); if (err) { error_report_err(err); @@ -4249,7 +4249,7 @@ out: out_no_progress: blk_unref(blk); qemu_opts_del(opts); - qemu_opts_free(create_opts); + qemu_opts_free(amend_opts); g_free(options); if (ret) {