From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:40178) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VjQIx-0006Xu-Cu for qemu-devel@nongnu.org; Thu, 21 Nov 2013 04:12:16 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1VjQIo-0003Lj-Ea for qemu-devel@nongnu.org; Thu, 21 Nov 2013 04:12:07 -0500 Received: from e28smtp01.in.ibm.com ([122.248.162.1]:58590) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VjQIn-0003LP-Ow for qemu-devel@nongnu.org; Thu, 21 Nov 2013 04:11:58 -0500 Received: from /spool/local by e28smtp01.in.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Thu, 21 Nov 2013 14:41:55 +0530 Received: from d28relay04.in.ibm.com (d28relay04.in.ibm.com [9.184.220.61]) by d28dlp02.in.ibm.com (Postfix) with ESMTP id 004F8394005E for ; Thu, 21 Nov 2013 14:41:54 +0530 (IST) Received: from d28av03.in.ibm.com (d28av03.in.ibm.com [9.184.220.65]) by d28relay04.in.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id rAL9Bogx49283288 for ; Thu, 21 Nov 2013 14:41:50 +0530 Received: from d28av03.in.ibm.com (localhost [127.0.0.1]) by d28av03.in.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id rAL9BqDF029177 for ; Thu, 21 Nov 2013 14:41:53 +0530 From: Lei Li Date: Thu, 21 Nov 2013 17:11:25 +0800 Message-Id: <1385025100-3191-3-git-send-email-lilei@linux.vnet.ibm.com> In-Reply-To: <1385025100-3191-1-git-send-email-lilei@linux.vnet.ibm.com> References: <1385025100-3191-1-git-send-email-lilei@linux.vnet.ibm.com> Subject: [Qemu-devel] [PATCH 02/17] migration: add migrate_unix_page_flipping() List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: aarcange@redhat.com, Lei Li , quintela@redhat.com, mdroth@linux.vnet.ibm.com, mrhines@linux.vnet.ibm.com, aliguori@amazon.com, lagarcia@br.ibm.com, pbonzini@redhat.com, rcj@linux.vnet.ibm.com Add migrate_unix_page_flipping() to check if MIGRATION_CAPABILITY_UNIX_PAGE_FLIPPING is enabled. Reviewed-by: Paolo Bonzini 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 2b1ab20..4ac466b 100644 --- a/migration.c +++ b/migration.c @@ -541,6 +541,15 @@ 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) -- 1.7.7.6