From patchwork Wed Sep 25 14:32:46 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lei Li X-Patchwork-Id: 277887 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 0B6C62C00AC for ; Thu, 26 Sep 2013 00:37:08 +1000 (EST) Received: from localhost ([::1]:53068 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VOqDB-0007xH-Sd for incoming@patchwork.ozlabs.org; Wed, 25 Sep 2013 10:37:05 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:50245) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VOq9e-0003Oc-HW for qemu-devel@nongnu.org; Wed, 25 Sep 2013 10:33:35 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1VOq9V-0006Ko-EE for qemu-devel@nongnu.org; Wed, 25 Sep 2013 10:33:26 -0400 Received: from e28smtp09.in.ibm.com ([122.248.162.9]:41198) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VOq9U-0006KD-SH for qemu-devel@nongnu.org; Wed, 25 Sep 2013 10:33:17 -0400 Received: from /spool/local by e28smtp09.in.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Wed, 25 Sep 2013 20:03:14 +0530 Received: from d28dlp01.in.ibm.com (9.184.220.126) by e28smtp09.in.ibm.com (192.168.1.139) with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted; Wed, 25 Sep 2013 20:03:12 +0530 Received: from d28relay01.in.ibm.com (d28relay01.in.ibm.com [9.184.220.58]) by d28dlp01.in.ibm.com (Postfix) with ESMTP id DA20BE0059 for ; Wed, 25 Sep 2013 20:04:16 +0530 (IST) Received: from d28av02.in.ibm.com (d28av02.in.ibm.com [9.184.220.64]) by d28relay01.in.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id r8PEZSIS9633802 for ; Wed, 25 Sep 2013 20:05:28 +0530 Received: from d28av02.in.ibm.com (localhost [127.0.0.1]) by d28av02.in.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id r8PEXAtO004196 for ; Wed, 25 Sep 2013 20:03:11 +0530 Received: from localhost.localdomain.com ([9.77.178.88]) by d28av02.in.ibm.com (8.14.4/8.14.4/NCO v10.0 AVin) with ESMTP id r8PEWo4i003070; Wed, 25 Sep 2013 20:03:08 +0530 From: Lei Li To: qemu-devel@nongnu.org Date: Wed, 25 Sep 2013 22:32:46 +0800 Message-Id: <1380119568-5530-7-git-send-email-lilei@linux.vnet.ibm.com> X-Mailer: git-send-email 1.7.7.6 In-Reply-To: <1380119568-5530-1-git-send-email-lilei@linux.vnet.ibm.com> References: <1380119568-5530-1-git-send-email-lilei@linux.vnet.ibm.com> X-TM-AS-MML: No X-Content-Scanned: Fidelis XPS MAILER x-cbid: 13092514-2674-0000-0000-00000ACABF64 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.4.x-2.6.x [generic] X-Received-From: 122.248.162.9 Cc: aarcange@redhat.com, Lei Li , quintela@redhat.com, mdroth@linux.vnet.ibm.com, mrhines@linux.vnet.ibm.com, anthony@codemonkey.ws, lagarcia@br.ibm.com, pbonzini@redhat.com, rcj@linux.vnet.ibm.com Subject: [Qemu-devel] [PATCH 6/8] migration: add migrate_unix_page_flipping() 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 Add migrate_unix_page_flipping() to check if MIGRATION_CAPABILITY_UNIX_PAGE_FLIPPING is enabled. Signed-off-by: Lei Li --- include/migration/migration.h | 3 +++ migration.c | 9 +++++++++ 2 files changed, 12 insertions(+), 0 deletions(-) diff --git a/include/migration/migration.h b/include/migration/migration.h index 140e6b4..7e5d01a 100644 --- a/include/migration/migration.h +++ b/include/migration/migration.h @@ -131,10 +131,13 @@ void migrate_add_blocker(Error *reason); void migrate_del_blocker(Error *reason); bool migrate_rdma_pin_all(void); + bool migrate_zero_blocks(void); bool migrate_auto_converge(void); +bool migrate_unix_page_flipping(void); + int xbzrle_encode_buffer(uint8_t *old_buf, uint8_t *new_buf, int slen, uint8_t *dst, int dlen); int xbzrle_decode_buffer(uint8_t *src, int slen, uint8_t *dst, int dlen); diff --git a/migration.c b/migration.c index 200d404..825a455 100644 --- a/migration.c +++ b/migration.c @@ -540,6 +540,15 @@ int64_t migrate_xbzrle_cache_size(void) return s->xbzrle_cache_size; } +bool migrate_unix_page_flipping(void) +{ + MigrationState *s; + + s = migrate_get_current(); + + return s->enabled_capabilities[MIGRATION_CAPABILITY_UNIX_PAGE_FLIPPING]; +} + /* migration thread support */ static void *migration_thread(void *opaque)