From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from [140.186.70.92] (port=58640 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1PNqfn-0001ym-UV for qemu-devel@nongnu.org; Wed, 01 Dec 2010 12:40:59 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1PNqfh-0002iG-UM for qemu-devel@nongnu.org; Wed, 01 Dec 2010 12:40:55 -0500 Received: from smtp02.citrix.com ([66.165.176.63]:44703) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1PNqfh-0002cb-EQ for qemu-devel@nongnu.org; Wed, 01 Dec 2010 12:40:49 -0500 From: anthony.perard@citrix.com Date: Wed, 1 Dec 2010 17:39:47 +0000 Message-Id: <1291225188-9972-16-git-send-email-anthony.perard@citrix.com> In-Reply-To: <1291225188-9972-1-git-send-email-anthony.perard@citrix.com> References: <1291225188-9972-1-git-send-email-anthony.perard@citrix.com> Subject: [Qemu-devel] [PATCH V8 15/16] xen: Set running state in xenstore. List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: QEMU-devel Cc: Anthony PERARD , Xen Devel , Stefano Stabellini 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 36bdf30..b94d56e 100644 --- a/xen-all.c +++ b/xen-all.c @@ -58,6 +58,8 @@ typedef struct XenIOState { /* which vcpu we are serving */ int send_vcpu; + struct xs_handle *xenstore; + Notifier exit; } XenIOState; @@ -426,6 +428,21 @@ 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); @@ -437,6 +454,9 @@ 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"); } @@ -455,6 +475,7 @@ 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) @@ -480,6 +501,12 @@ 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); -- 1.7.1