From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:50053) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VmKyO-0007ie-2m for qemu-devel@nongnu.org; Fri, 29 Nov 2013 05:07:05 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1VmKyD-0007sw-TU for qemu-devel@nongnu.org; Fri, 29 Nov 2013 05:06:56 -0500 Received: from e23smtp09.au.ibm.com ([202.81.31.142]:38594) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VmKyD-0007sU-3j for qemu-devel@nongnu.org; Fri, 29 Nov 2013 05:06:45 -0500 Received: from /spool/local by e23smtp09.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Fri, 29 Nov 2013 20:06:38 +1000 Received: from d23relay03.au.ibm.com (d23relay03.au.ibm.com [9.190.235.21]) by d23dlp03.au.ibm.com (Postfix) with ESMTP id 8D7A63578050 for ; Fri, 29 Nov 2013 21:06:35 +1100 (EST) Received: from d23av01.au.ibm.com (d23av01.au.ibm.com [9.190.234.96]) by d23relay03.au.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id rATA6NIY10617104 for ; Fri, 29 Nov 2013 21:06:23 +1100 Received: from d23av01.au.ibm.com (localhost [127.0.0.1]) by d23av01.au.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id rATA6Y02012020 for ; Fri, 29 Nov 2013 21:06:35 +1100 From: Lei Li Date: Fri, 29 Nov 2013 18:06:09 +0800 Message-Id: <1385719584-21114-3-git-send-email-lilei@linux.vnet.ibm.com> In-Reply-To: <1385719584-21114-1-git-send-email-lilei@linux.vnet.ibm.com> References: <1385719584-21114-1-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_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