From patchwork Wed Apr 20 16:42:05 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anthony PERARD X-Patchwork-Id: 92242 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [140.186.70.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id B969DB6F7C for ; Thu, 21 Apr 2011 02:46:27 +1000 (EST) Received: from localhost ([::1]:36212 helo=lists2.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QCaXp-00069x-0Y for incoming@patchwork.ozlabs.org; Wed, 20 Apr 2011 12:46:25 -0400 Received: from eggs.gnu.org ([140.186.70.92]:56641) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QCaUf-0000kq-8j for qemu-devel@nongnu.org; Wed, 20 Apr 2011 12:43:10 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1QCaUe-0001L4-6J for qemu-devel@nongnu.org; Wed, 20 Apr 2011 12:43:09 -0400 Received: from smtp02.citrix.com ([66.165.176.63]:21329) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QCaUe-0001Kw-2s for qemu-devel@nongnu.org; Wed, 20 Apr 2011 12:43:08 -0400 X-IronPort-AV: E=Sophos;i="4.64,247,1301889600"; d="scan'208";a="145689819" Received: from ftlpmailmx01.citrite.net ([10.13.107.65]) by FTLPIPO02.CITRIX.COM with ESMTP/TLS/RC4-MD5; 20 Apr 2011 12:43:07 -0400 Received: from smtp01.ad.xensource.com (10.219.128.104) by smtprelay.citrix.com (10.13.107.65) with Microsoft SMTP Server id 8.3.137.0; Wed, 20 Apr 2011 12:43:07 -0400 Received: from perard.uk.xensource.com (dhcp-3-28.uk.xensource.com [10.80.3.28]) by smtp01.ad.xensource.com (8.13.1/8.13.1) with ESMTP id p3KGgMUX030700; Wed, 20 Apr 2011 09:43:05 -0700 From: To: QEMU-devel , Anthony Liguori , Alexander Graf Date: Wed, 20 Apr 2011 17:42:05 +0100 Message-ID: <1303317726-31855-17-git-send-email-anthony.perard@citrix.com> X-Mailer: git-send-email 1.7.2.5 In-Reply-To: <1303317726-31855-1-git-send-email-anthony.perard@citrix.com> References: <1303317726-31855-1-git-send-email-anthony.perard@citrix.com> MIME-Version: 1.0 X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 66.165.176.63 Cc: Anthony PERARD , Xen Devel , Stefano Stabellini Subject: [Qemu-devel] [PATCH V14 16/17] xen: Set running state in xenstore. 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 From: Anthony PERARD This tells to the xen management tool that the machine can begin run. Signed-off-by: Anthony PERARD Acked-by: Alexander Graf --- xen-all.c | 23 +++++++++++++++++++++++ 1 files changed, 23 insertions(+), 0 deletions(-) diff --git a/xen-all.c b/xen-all.c index e849a38..19c2fe1 100644 --- a/xen-all.c +++ b/xen-all.c @@ -64,6 +64,8 @@ typedef struct XenIOState { /* which vcpu we are serving */ int send_vcpu; + struct xs_handle *xenstore; + Notifier exit; } XenIOState; @@ -450,6 +452,17 @@ static void cpu_handle_ioreq(void *opaque) } } +static void xenstore_record_dm_state(XenIOState *s, const char *state) +{ + char path[50]; + + snprintf(path, sizeof (path), "/local/domain/0/device-model/%u/state", xen_domid); + if (!xs_write(s->xenstore, XBT_NULL, path, state, strlen(state))) { + fprintf(stderr, "error recording dm state\n"); + exit(1); + } +} + static void xen_main_loop_prepare(XenIOState *state) { int evtchn_fd = -1; @@ -465,6 +478,9 @@ static void xen_main_loop_prepare(XenIOState *state) if (evtchn_fd != -1) { qemu_set_fd_handler(evtchn_fd, cpu_handle_ioreq, NULL, state); } + + /* record state running */ + xenstore_record_dm_state(state, "running"); } @@ -483,6 +499,7 @@ static void xen_exit_notifier(Notifier *n) XenIOState *state = container_of(n, XenIOState, exit); xc_evtchn_close(state->xce_handle); + xs_daemon_close(state->xenstore); } int xen_init(void) @@ -510,6 +527,12 @@ int xen_hvm_init(void) return -errno; } + state->xenstore = xs_daemon_open(); + if (state->xenstore == NULL) { + perror("xen: xenstore open"); + return -errno; + } + state->exit.notify = xen_exit_notifier; qemu_add_exit_notifier(&state->exit);