From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:47925) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VnPfJ-0006ax-HG for qemu-devel@nongnu.org; Mon, 02 Dec 2013 04:19:51 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1VnPfA-0002Sa-KR for qemu-devel@nongnu.org; Mon, 02 Dec 2013 04:19:41 -0500 Received: from e28smtp05.in.ibm.com ([122.248.162.5]:37028) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VnPf9-0002SO-Uc for qemu-devel@nongnu.org; Mon, 02 Dec 2013 04:19:32 -0500 Received: from /spool/local by e28smtp05.in.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Mon, 2 Dec 2013 14:49:29 +0530 Received: from d28relay05.in.ibm.com (d28relay05.in.ibm.com [9.184.220.62]) by d28dlp03.in.ibm.com (Postfix) with ESMTP id B87681258054 for ; Mon, 2 Dec 2013 14:50:28 +0530 (IST) Received: from d28av01.in.ibm.com (d28av01.in.ibm.com [9.184.220.63]) by d28relay05.in.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id rB29JNYv065910 for ; Mon, 2 Dec 2013 14:49:23 +0530 Received: from d28av01.in.ibm.com (localhost [127.0.0.1]) by d28av01.in.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id rB29JP63000496 for ; Mon, 2 Dec 2013 14:49:25 +0530 From: Lei Li Date: Mon, 2 Dec 2013 17:19:02 +0800 Message-Id: <1385975957-22941-3-git-send-email-lilei@linux.vnet.ibm.com> In-Reply-To: <1385975957-22941-1-git-send-email-lilei@linux.vnet.ibm.com> References: <1385975957-22941-1-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, 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_X_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..e012cd4 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_X_UNIX_PAGE_FLIPPING]; +} + /* migration thread support */ static void *migration_thread(void *opaque) -- 1.7.7.6