From patchwork Thu Feb 24 07:28:29 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yoshiaki Tamura X-Patchwork-Id: 586551 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter1.kernel.org (8.14.4/8.14.3) with ESMTP id p1O7cJ1R015806 for ; Thu, 24 Feb 2011 07:38:20 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752588Ab1BXHiP (ORCPT ); Thu, 24 Feb 2011 02:38:15 -0500 Received: from sh.osrg.net ([192.16.179.4]:55576 "EHLO sh.osrg.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752485Ab1BXHiP (ORCPT ); Thu, 24 Feb 2011 02:38:15 -0500 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 p1O7bgPQ026639; Thu, 24 Feb 2011 16:37:43 +0900 Received: from localhost (hype-nh0.osrg.net [10.72.1.48]) by fs.osrg.net (Postfix) with ESMTP id 1CDD73E0304; Thu, 24 Feb 2011 16:37:42 +0900 (JST) From: Yoshiaki Tamura To: kvm@vger.kernel.org, qemu-devel@nongnu.org Cc: avi@redhat.com, anthony@codemonkey.ws, aliguori@us.ibm.com, mtosatti@redhat.com, dlaor@redhat.com, mst@redhat.com, kwolf@redhat.com, pbonzini@redhat.com, quintela@redhat.com, ananth@in.ibm.com, psuriset@linux.vnet.ibm.com, vatsa@linux.vnet.ibm.com, stefanha@linux.vnet.ibm.com, blauwirbel@gmail.com, ohmura.kei@lab.ntt.co.jp, Yoshiaki Tamura Subject: [PATCH 03/18] Introduce qemu_loadvm_state_no_header() and make qemu_loadvm_state() a wrapper. Date: Thu, 24 Feb 2011 16:28:29 +0900 Message-Id: <1298532524-1286-4-git-send-email-tamura.yoshiaki@lab.ntt.co.jp> X-Mailer: git-send-email 1.7.1.2 In-Reply-To: <1298532524-1286-1-git-send-email-tamura.yoshiaki@lab.ntt.co.jp> References: <1298532524-1286-1-git-send-email-tamura.yoshiaki@lab.ntt.co.jp> X-Dispatcher: imput version 20070423(IM149) Lines: 81 X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.6 (demeter1.kernel.org [140.211.167.41]); Thu, 24 Feb 2011 07:38:20 +0000 (UTC) X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-3.0 (sh.osrg.net [192.16.179.4]); Thu, 24 Feb 2011 16:37:46 +0900 (JST) X-Virus-Scanned: clamav-milter 0.96.5 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 22010b9..fc62bcb 100644 --- a/savevm.c +++ b/savevm.c @@ -1716,30 +1716,14 @@ typedef struct LoadStateEntry { int version_id; } LoadStateEntry; -int qemu_loadvm_state(QEMUFile *f) +static int qemu_loadvm_state_no_header(QEMUFile *f) { QLIST_HEAD(, LoadStateEntry) loadvm_handlers = QLIST_HEAD_INITIALIZER(loadvm_handlers); LoadStateEntry *le, *new_le; uint8_t section_type; - unsigned int v; - int ret; - - if (qemu_savevm_state_blocked(default_mon)) { - return -EINVAL; - } - - v = qemu_get_be32(f); - if (v != QEMU_VM_FILE_MAGIC) - return -EINVAL; - v = qemu_get_be32(f); - if (v == QEMU_VM_FILE_VERSION_COMPAT) { - fprintf(stderr, "SaveVM v2 format is obsolete and don't work anymore\n"); - return -ENOTSUP; - } - if (v != QEMU_VM_FILE_VERSION) - return -ENOTSUP; + int ret; while ((section_type = qemu_get_byte(f)) != QEMU_VM_EOF) { uint32_t instance_id, version_id, section_id; @@ -1834,6 +1818,31 @@ out: return ret; } +int qemu_loadvm_state(QEMUFile *f) +{ + unsigned int v; + + if (qemu_savevm_state_blocked(default_mon)) { + return -EINVAL; + } + + v = qemu_get_be32(f); + if (v != QEMU_VM_FILE_MAGIC) { + return -EINVAL; + } + + v = qemu_get_be32(f); + if (v == QEMU_VM_FILE_VERSION_COMPAT) { + fprintf(stderr, "SaveVM v2 format is obsolete and don't work anymore\n"); + return -ENOTSUP; + } + if (v != QEMU_VM_FILE_VERSION) { + return -ENOTSUP; + } + + return qemu_loadvm_state_no_header(f); +} + static int bdrv_snapshot_find(BlockDriverState *bs, QEMUSnapshotInfo *sn_info, const char *name) {