From patchwork Tue May 25 08:36:52 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yoshiaki Tamura X-Patchwork-Id: 102113 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter.kernel.org (8.14.3/8.14.3) with ESMTP id o4P8fqmW030305 for ; Tue, 25 May 2010 08:41:52 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756376Ab0EYIlo (ORCPT ); Tue, 25 May 2010 04:41:44 -0400 Received: from sh.osrg.net ([192.16.179.4]:34899 "EHLO sh.osrg.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756309Ab0EYIkl (ORCPT ); Tue, 25 May 2010 04:40:41 -0400 Received: from fs.osrg.net (postfix@fs.osrg.net [10.0.0.12]) by sh.osrg.net (8.14.3/8.14.3/OSRG-NET) with ESMTP id o4P8eJ44010204; Tue, 25 May 2010 17:40:19 +0900 Received: from localhost (hype-wd0.osrg.net [10.72.1.16]) by fs.osrg.net (Postfix) with ESMTP id C8D3D3E0302; Tue, 25 May 2010 17:40:17 +0900 (JST) From: Yoshiaki Tamura To: kvm@vger.kernel.org, qemu-devel@nongnu.org Cc: avi@redhat.com, aliguori@us.ibm.com, mtosatti@redhat.com, ohmura.kei@lab.ntt.co.jp, Yoshiaki Tamura Subject: [RFC PATCH 11/23] Introduce qemu_savevm_state_all(). Date: Tue, 25 May 2010 17:36:52 +0900 Message-Id: <1274776624-16435-13-git-send-email-tamura.yoshiaki@lab.ntt.co.jp> X-Mailer: git-send-email 1.7.0.31.g1df487 In-Reply-To: <1274776624-16435-1-git-send-email-tamura.yoshiaki@lab.ntt.co.jp> References: <1274776624-16435-1-git-send-email-tamura.yoshiaki@lab.ntt.co.jp> X-Dispatcher: imput version 20070423(IM149) Lines: 95 X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.3 (demeter.kernel.org [140.211.167.41]); Tue, 25 May 2010 08:41:53 +0000 (UTC) X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-3.0 (sh.osrg.net [192.16.179.4]); Tue, 25 May 2010 17:40:19 +0900 (JST) X-Virus-Scanned: clamav-milter 0.96 at sh X-Virus-Status: Clean Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org diff --git a/savevm.c b/savevm.c index 81cb711..25ccbb8 100644 --- a/savevm.c +++ b/savevm.c @@ -1468,6 +1468,66 @@ int qemu_savevm_state_complete(Monitor *mon, QEMUFile *f) return 0; } +int qemu_savevm_state_all(Monitor *mon, QEMUFile *f) +{ + SaveStateEntry *se; + + QTAILQ_FOREACH(se, &savevm_handlers, entry) { + int len; + + if (se->save_live_state == NULL) + continue; + + /* Section type */ + qemu_put_byte(f, QEMU_VM_SECTION_START); + qemu_put_be32(f, se->section_id); + + /* ID string */ + len = strlen(se->idstr); + qemu_put_byte(f, len); + qemu_put_buffer(f, (uint8_t *)se->idstr, len); + + qemu_put_be32(f, se->instance_id); + qemu_put_be32(f, se->version_id); + if (ft_mode == FT_INIT) { + /* This is workaround. */ + se->save_live_state(mon, f, QEMU_VM_SECTION_START, se->opaque); + } else { + se->save_live_state(mon, f, QEMU_VM_SECTION_PART, se->opaque); + } + } + + ft_mode = FT_TRANSACTION; + QTAILQ_FOREACH(se, &savevm_handlers, entry) { + int len; + + if (se->save_state == NULL && se->vmsd == NULL) + continue; + + /* Section type */ + qemu_put_byte(f, QEMU_VM_SECTION_FULL); + qemu_put_be32(f, se->section_id); + + /* ID string */ + len = strlen(se->idstr); + qemu_put_byte(f, len); + qemu_put_buffer(f, (uint8_t *)se->idstr, len); + + qemu_put_be32(f, se->instance_id); + qemu_put_be32(f, se->version_id); + + vmstate_save(f, se); + } + + qemu_put_byte(f, QEMU_VM_EOF); + + if (qemu_file_has_error(f)) + return -EIO; + + return 0; +} + + void qemu_savevm_state_cancel(Monitor *mon, QEMUFile *f) { SaveStateEntry *se; diff --git a/sysemu.h b/sysemu.h index 6c1441f..df314bb 100644 --- a/sysemu.h +++ b/sysemu.h @@ -67,6 +67,7 @@ int qemu_savevm_state_begin(Monitor *mon, QEMUFile *f, int blk_enable, int shared); int qemu_savevm_state_iterate(Monitor *mon, QEMUFile *f); int qemu_savevm_state_complete(Monitor *mon, QEMUFile *f); +int qemu_savevm_state_all(Monitor *mon, QEMUFile *f); void qemu_savevm_state_cancel(Monitor *mon, QEMUFile *f); int qemu_loadvm_state(QEMUFile *f, int skip_header);