From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:42982) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UIFjv-0005om-9U for qemu-devel@nongnu.org; Wed, 20 Mar 2013 05:55:27 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1UIFjt-00027W-Sb for qemu-devel@nongnu.org; Wed, 20 Mar 2013 05:55:23 -0400 Received: from mx1.redhat.com ([209.132.183.28]:18539) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UIFjt-000274-Is for qemu-devel@nongnu.org; Wed, 20 Mar 2013 05:55:21 -0400 From: Alon Levy Date: Wed, 20 Mar 2013 11:55:11 +0200 Message-Id: <1363773314-32332-2-git-send-email-alevy@redhat.com> In-Reply-To: <1363773314-32332-1-git-send-email-alevy@redhat.com> References: <1363773314-32332-1-git-send-email-alevy@redhat.com> Subject: [Qemu-devel] [PATCH 1/4] char: add a post_load callback List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: amit.shah@redhat.com, hdegoede@redhat.com, aliguori@us.ibm.com, kraxel@redhat.com Signed-off-by: Alon Levy --- include/char/char.h | 12 ++++++++++++ qemu-char.c | 7 +++++++ 2 files changed, 19 insertions(+) diff --git a/include/char/char.h b/include/char/char.h index 0326b2a..0fdcaf9 100644 --- a/include/char/char.h +++ b/include/char/char.h @@ -70,6 +70,7 @@ struct CharDriverState { void (*chr_set_echo)(struct CharDriverState *chr, bool echo); void (*chr_guest_open)(struct CharDriverState *chr); void (*chr_guest_close)(struct CharDriverState *chr); + void (*chr_post_load)(struct CharDriverState *chr, int connected); void *opaque; int idle_tag; char *label; @@ -144,6 +145,17 @@ void qemu_chr_fe_open(struct CharDriverState *chr); void qemu_chr_fe_close(struct CharDriverState *chr); /** + * @qemu_chr_fe_post_load: + * + * Indicate to backend that a migration has just completed. Must be called when + * the vm is in the running state. + * + * @connected true if frontend is still connected after migration, false + * otherwise. + */ +void qemu_chr_fe_post_load(struct CharDriverState *chr, int connected); + +/** * @qemu_chr_fe_printf: * * Write to a character backend using a printf style interface. diff --git a/qemu-char.c b/qemu-char.c index 4e011df..42c911f 100644 --- a/qemu-char.c +++ b/qemu-char.c @@ -3390,6 +3390,13 @@ void qemu_chr_fe_open(struct CharDriverState *chr) } } +void qemu_chr_fe_post_load(struct CharDriverState *chr, int connected) +{ + if (chr->chr_post_load) { + chr->chr_post_load(chr, connected); + } +} + void qemu_chr_fe_close(struct CharDriverState *chr) { if (chr->chr_guest_close) { -- 1.8.1.4