From patchwork Thu Oct 21 17:36:26 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anthony PERARD X-Patchwork-Id: 68752 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 2AA20B70A5 for ; Fri, 22 Oct 2010 05:29:56 +1100 (EST) Received: from localhost ([127.0.0.1]:42361 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1P8zKz-0007Dd-V2 for incoming@patchwork.ozlabs.org; Thu, 21 Oct 2010 13:54:02 -0400 Received: from [140.186.70.92] (port=42991 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1P8z5R-0000ni-7t for qemu-devel@nongnu.org; Thu, 21 Oct 2010 13:38:00 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1P8z5O-0005pm-TW for qemu-devel@nongnu.org; Thu, 21 Oct 2010 13:37:56 -0400 Received: from smtp02.citrix.com ([66.165.176.63]:52050) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1P8z5O-0005jY-QS for qemu-devel@nongnu.org; Thu, 21 Oct 2010 13:37:54 -0400 X-IronPort-AV: E=Sophos;i="4.58,218,1286164800"; d="scan'208";a="119106472" Received: from ftlpexchmx02.citrite.net ([10.9.154.127]) by FTLPIPO02.CITRIX.COM with ESMTP; 21 Oct 2010 13:37:54 -0400 Received: from smtp01.ad.xensource.com ([10.219.128.104]) by FTLPEXCHMX02.citrite.net with Microsoft SMTPSVC(6.0.3790.4675); Thu, 21 Oct 2010 13:37:53 -0400 Received: from perard.cam.xci-test.com (perard.cam.xci-test.com [10.80.248.106]) by smtp01.ad.xensource.com (8.13.1/8.13.1) with ESMTP id o9LHb2iu009642; Thu, 21 Oct 2010 10:37:52 -0700 From: anthony.perard@citrix.com To: QEMU-devel Date: Thu, 21 Oct 2010 18:36:26 +0100 Message-Id: <1287682587-18642-15-git-send-email-anthony.perard@citrix.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1287682587-18642-1-git-send-email-anthony.perard@citrix.com> References: <1287682587-18642-1-git-send-email-anthony.perard@citrix.com> X-OriginalArrivalTime: 21 Oct 2010 17:37:53.0526 (UTC) FILETIME=[B0A23160:01CB7146] X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. Cc: Anthony PERARD , Xen Devel , Stefano Stabellini Subject: [Qemu-devel] [PATCH V6 14/15] 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 --- xen-all.c | 27 +++++++++++++++++++++++++++ 1 files changed, 27 insertions(+), 0 deletions(-) diff --git a/xen-all.c b/xen-all.c index a0d1b9b..fc862cb 100644 --- a/xen-all.c +++ b/xen-all.c @@ -57,6 +57,8 @@ typedef struct XenIOState { /* which vcpu we are serving */ int send_vcpu; + struct xs_handle *xenstore; + Notifier exit; } XenIOState; @@ -425,6 +427,21 @@ static void cpu_handle_ioreq(void *opaque) } } +static void xenstore_record_dm_state(XenIOState *s, const char *state) +{ + char *path = NULL; + + if (asprintf(&path, "/local/domain/0/device-model/%u/state", xen_domid) == -1) { + fprintf(stderr, "out of memory recording dm state\n"); + exit(1); + } + if (!xs_write(s->xenstore, XBT_NULL, path, state, strlen(state))) { + fprintf(stderr, "error recording dm state\n"); + exit(1); + } + free(path); +} + static void xen_main_loop_prepare(XenIOState *state) { int evtchn_fd = state->xce_handle == -1 ? -1 : xc_evtchn_fd(state->xce_handle); @@ -436,6 +453,9 @@ 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"); } @@ -454,6 +474,7 @@ 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(int smp_cpus) @@ -476,6 +497,12 @@ int xen_init(int smp_cpus) 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);