From patchwork Tue Mar 29 18:28:09 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anthony PERARD X-Patchwork-Id: 88828 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [199.232.76.165]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 89EF4B6EEA for ; Wed, 30 Mar 2011 05:46:59 +1100 (EST) Received: from localhost ([127.0.0.1]:58648 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Q4dtm-0001al-3U for incoming@patchwork.ozlabs.org; Tue, 29 Mar 2011 14:44:14 -0400 Received: from [140.186.70.92] (port=57340 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Q4dfO-0007c6-TZ for qemu-devel@nongnu.org; Tue, 29 Mar 2011 14:29:24 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Q4dfM-0003ot-A6 for qemu-devel@nongnu.org; Tue, 29 Mar 2011 14:29:21 -0400 Received: from smtp02.citrix.com ([66.165.176.63]:7014) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Q4dfM-0003gw-6R for qemu-devel@nongnu.org; Tue, 29 Mar 2011 14:29:20 -0400 X-IronPort-AV: E=Sophos;i="4.63,263,1299474000"; d="scan'208";a="142586963" Received: from ftlpexchmx01.citrite.net ([10.9.154.126]) by FTLPIPO02.CITRIX.COM with ESMTP; 29 Mar 2011 14:29:19 -0400 Received: from smtp01.ad.xensource.com ([10.219.128.104]) by FTLPEXCHMX01.citrite.net with Microsoft SMTPSVC(6.0.3790.4675); Tue, 29 Mar 2011 14:29:19 -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 p2TISYWk028703; Tue, 29 Mar 2011 11:29:17 -0700 From: anthony.perard@citrix.com To: QEMU-devel , Anthony Liguori , Alexander Graf Date: Tue, 29 Mar 2011 19:28:09 +0100 Message-Id: <1301423290-12443-17-git-send-email-anthony.perard@citrix.com> X-Mailer: git-send-email 1.7.2.3 In-Reply-To: <1301423290-12443-1-git-send-email-anthony.perard@citrix.com> References: <1301423290-12443-1-git-send-email-anthony.perard@citrix.com> X-OriginalArrivalTime: 29 Mar 2011 18:29:19.0572 (UTC) FILETIME=[37BDB140:01CBEE3F] 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 V12 16/17] xen: Set running state in xenstore. X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Errors-To: 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 8fabc9d..8167b44 100644 --- a/xen-all.c +++ b/xen-all.c @@ -63,6 +63,8 @@ typedef struct XenIOState { /* which vcpu we are serving */ int send_vcpu; + struct xs_handle *xenstore; + Notifier exit; } XenIOState; @@ -431,6 +433,17 @@ 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; @@ -446,6 +459,9 @@ 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"); } @@ -464,6 +480,7 @@ 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) @@ -486,6 +503,12 @@ int xen_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);