From patchwork Thu Jul 11 05:47:02 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wayne Xia X-Patchwork-Id: 258312 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id CEE022C02FC for ; Thu, 11 Jul 2013 15:54:19 +1000 (EST) Received: from localhost ([::1]:56718 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Ux9pZ-0007iU-Pu for incoming@patchwork.ozlabs.org; Thu, 11 Jul 2013 01:54:17 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:56483) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Ux9mk-0002wc-D6 for qemu-devel@nongnu.org; Thu, 11 Jul 2013 01:51:23 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Ux9mj-0002Lc-Bc for qemu-devel@nongnu.org; Thu, 11 Jul 2013 01:51:22 -0400 Received: from e28smtp04.in.ibm.com ([122.248.162.4]:40767) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Ux9mi-0002LL-Na for qemu-devel@nongnu.org; Thu, 11 Jul 2013 01:51:21 -0400 Received: from /spool/local by e28smtp04.in.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; Thu, 11 Jul 2013 11:14:33 +0530 Received: from d28relay05.in.ibm.com (d28relay05.in.ibm.com [9.184.220.62]) by d28dlp01.in.ibm.com (Postfix) with ESMTP id 49D72E0055 for ; Thu, 11 Jul 2013 11:21:03 +0530 (IST) Received: from d28av04.in.ibm.com (d28av04.in.ibm.com [9.184.220.66]) by d28relay05.in.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id r6B5pCmD28377204 for ; Thu, 11 Jul 2013 11:21:12 +0530 Received: from d28av04.in.ibm.com (loopback [127.0.0.1]) by d28av04.in.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id r6B5pEMC017934 for ; Thu, 11 Jul 2013 15:51:15 +1000 Received: from RH63Wenchao.localdomain ([9.77.178.219]) by d28av04.in.ibm.com (8.14.4/8.13.1/NCO v10.0 AVin) with ESMTP id r6B5lBZ1004047; Thu, 11 Jul 2013 15:51:12 +1000 From: Wenchao Xia To: qemu-devel@nongnu.org Date: Thu, 11 Jul 2013 13:47:02 +0800 Message-Id: <1373521624-4380-7-git-send-email-xiawenc@linux.vnet.ibm.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1373521624-4380-1-git-send-email-xiawenc@linux.vnet.ibm.com> References: <1373521624-4380-1-git-send-email-xiawenc@linux.vnet.ibm.com> X-TM-AS-MML: No X-Content-Scanned: Fidelis XPS MAILER x-cbid: 13071105-5564-0000-0000-000008BE721D X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.4.x-2.6.x [generic] X-Received-From: 122.248.162.4 Cc: kwolf@redhat.com, phrdina@redhat.com, famz@redhat.com, Wenchao Xia , armbru@redhat.com, lcapitulino@redhat.com, stefanha@redhat.com, pbonzini@redhat.com, dietmar@proxmox.com Subject: [Qemu-devel] [PATCH V5 6/8] hmp: add interface hmp_snapshot_blkdev_internal X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Signed-off-by: Wenchao Xia --- hmp-commands.hx | 19 +++++++++++++++++-- hmp.c | 10 ++++++++++ hmp.h | 1 + 3 files changed, 28 insertions(+), 2 deletions(-) diff --git a/hmp-commands.hx b/hmp-commands.hx index d1cdcfb..ec613e8 100644 --- a/hmp-commands.hx +++ b/hmp-commands.hx @@ -1023,8 +1023,7 @@ ETEXI "of device. If a new image file is specified, the\n\t\t\t" "new image file will become the new root image.\n\t\t\t" "If format is specified, the snapshot file will\n\t\t\t" - "be created in that format. Otherwise the\n\t\t\t" - "snapshot will be internal! (currently unsupported).\n\t\t\t" + "be created in that format.\n\t\t\t" "The default format is qcow2. The -n flag requests QEMU\n\t\t\t" "to reuse the image found in new-image-file, instead of\n\t\t\t" "recreating it from scratch.", @@ -1038,6 +1037,22 @@ Snapshot device, using snapshot file as target if provided ETEXI { + .name = "snapshot_blkdev_internal", + .args_type = "device:B,name:s", + .params = "device name", + .help = "take an internal snapshot of device.\n\t\t\t" + "The format of the image used by device must\n\t\t\t" + "support it, such as qcow2.\n\t\t\t", + .mhandler.cmd = hmp_snapshot_blkdev_internal, + }, + +STEXI +@item snapshot_blkdev_internal +@findex snapshot_blkdev_internal +Take an internal snapshot on device if it support +ETEXI + + { .name = "drive_mirror", .args_type = "reuse:-n,full:-f,device:B,target:s,format:s?", .params = "[-n] [-f] device target [format]", diff --git a/hmp.c b/hmp.c index 2daed43..d300366 100644 --- a/hmp.c +++ b/hmp.c @@ -930,6 +930,16 @@ void hmp_snapshot_blkdev(Monitor *mon, const QDict *qdict) hmp_handle_error(mon, &errp); } +void hmp_snapshot_blkdev_internal(Monitor *mon, const QDict *qdict) +{ + const char *device = qdict_get_str(qdict, "device"); + const char *name = qdict_get_str(qdict, "name"); + Error *errp = NULL; + + qmp_blockdev_snapshot_internal_sync(device, name, &errp); + hmp_handle_error(mon, &errp); +} + void hmp_migrate_cancel(Monitor *mon, const QDict *qdict) { qmp_migrate_cancel(NULL); diff --git a/hmp.h b/hmp.h index 56d2e92..fddf3a9 100644 --- a/hmp.h +++ b/hmp.h @@ -54,6 +54,7 @@ void hmp_block_passwd(Monitor *mon, const QDict *qdict); void hmp_balloon(Monitor *mon, const QDict *qdict); void hmp_block_resize(Monitor *mon, const QDict *qdict); void hmp_snapshot_blkdev(Monitor *mon, const QDict *qdict); +void hmp_snapshot_blkdev_internal(Monitor *mon, const QDict *qdict); void hmp_drive_mirror(Monitor *mon, const QDict *qdict); void hmp_migrate_cancel(Monitor *mon, const QDict *qdict); void hmp_migrate_set_downtime(Monitor *mon, const QDict *qdict);