From mboxrd@z Thu Jan 1 00:00:00 1970 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 From: anthony.perard@citrix.com Date: Tue, 29 Mar 2011 19:28:09 +0100 Message-Id: <1301423290-12443-17-git-send-email-anthony.perard@citrix.com> In-Reply-To: <1301423290-12443-1-git-send-email-anthony.perard@citrix.com> References: <1301423290-12443-1-git-send-email-anthony.perard@citrix.com> Subject: [Qemu-devel] [PATCH V12 16/17] 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 , Anthony Liguori , Alexander Graf 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 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); -- 1.7.2.3