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[Xen-devel] [PATCH v2 3/6] suspend: add wakeup monitor command



This patch adds a wakeup monitor command which will simply wake up
suspended guests.

Signed-off-by: Gerd Hoffmann <kraxel@xxxxxxxxxx>
---
 hmp-commands.hx  |   14 ++++++++++++++
 hmp.c            |    5 +++++
 hmp.h            |    1 +
 qapi-schema.json |   11 +++++++++++
 qmp-commands.hx  |   21 +++++++++++++++++++++
 qmp.c            |    5 +++++
 6 files changed, 57 insertions(+), 0 deletions(-)

diff --git a/hmp-commands.hx b/hmp-commands.hx
index a586498..c62871a 100644
--- a/hmp-commands.hx
+++ b/hmp-commands.hx
@@ -313,6 +313,20 @@ Resume emulation.
 ETEXI
 
     {
+        .name       = "wakeup",
+        .args_type  = "",
+        .params     = "",
+        .help       = "wakeup guest from suspend",
+        .mhandler.cmd = hmp_wakeup,
+    },
+
+STEXI
+@item wakeup
+@findex wakeup
+Wakeup guest from suspend.
+ETEXI
+
+    {
         .name       = "gdbserver",
         .args_type  = "device:s?",
         .params     = "[device]",
diff --git a/hmp.c b/hmp.c
index e7659d5..1a14684 100644
--- a/hmp.c
+++ b/hmp.c
@@ -594,6 +594,11 @@ void hmp_cont(Monitor *mon, const QDict *qdict)
     }
 }
 
+void hmp_wakeup(Monitor *mon, const QDict *qdict)
+{
+    qmp_wakeup(NULL);
+}
+
 void hmp_inject_nmi(Monitor *mon, const QDict *qdict)
 {
     Error *errp = NULL;
diff --git a/hmp.h b/hmp.h
index 093242d..76eb3df 100644
--- a/hmp.h
+++ b/hmp.h
@@ -40,6 +40,7 @@ void hmp_cpu(Monitor *mon, const QDict *qdict);
 void hmp_memsave(Monitor *mon, const QDict *qdict);
 void hmp_pmemsave(Monitor *mon, const QDict *qdict);
 void hmp_cont(Monitor *mon, const QDict *qdict);
+void hmp_wakeup(Monitor *mon, const QDict *qdict);
 void hmp_inject_nmi(Monitor *mon, const QDict *qdict);
 void hmp_set_link(Monitor *mon, const QDict *qdict);
 void hmp_block_passwd(Monitor *mon, const QDict *qdict);
diff --git a/qapi-schema.json b/qapi-schema.json
index 44cf764..75773d4 100644
--- a/qapi-schema.json
+++ b/qapi-schema.json
@@ -967,6 +967,17 @@
 { 'command': 'cont' }
 
 ##
+# @wakeup:
+#
+# Wakrup guest from suspend
+#
+# Since:  1.1
+#
+# Returns:  nothing.
+##
+{ 'command': 'wakeup' }
+
+##
 # @inject-nmi:
 #
 # Injects an Non-Maskable Interrupt into all guest's VCPUs.
diff --git a/qmp-commands.hx b/qmp-commands.hx
index 7e3f4b9..2c84a7a 100644
--- a/qmp-commands.hx
+++ b/qmp-commands.hx
@@ -218,6 +218,27 @@ Example:
 EQMP
 
     {
+        .name       = "wakeup",
+        .args_type  = "",
+        .mhandler.cmd_new = qmp_marshal_input_wakeup,
+    },
+
+SQMP
+wakeup
+------
+
+Wakeup guest from suspend.
+
+Arguments: None.
+
+Example:
+
+-> { "execute": "wakeup" }
+<- { "return": {} }
+
+EQMP
+
+    {
         .name       = "system_reset",
         .args_type  = "",
         .mhandler.cmd_new = qmp_marshal_input_system_reset,
diff --git a/qmp.c b/qmp.c
index 5e09b41..f8b1dc7 100644
--- a/qmp.c
+++ b/qmp.c
@@ -158,6 +158,11 @@ void qmp_cont(Error **errp)
     vm_start();
 }
 
+void qmp_wakeup(Error **errp)
+{
+    qemu_system_wakeup_request();
+}
+
 DevicePropertyInfoList *qmp_qom_list(const char *path, Error **errp)
 {
     DeviceState *dev;
-- 
1.7.1


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