Merge remote-tracking branch 'armbru/tags/pull-qapi-2017-05-23' into staging

QAPI patches for 2017-05-23

# gpg: Signature made Tue 23 May 2017 12:33:32 PM BST
# gpg:                using RSA key 0x3870B400EB918653
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>"
# gpg:                 aka "Markus Armbruster <armbru@pond.sub.org>"
# Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867  4E5F 3870 B400 EB91 8653

* armbru/tags/pull-qapi-2017-05-23:
  qapi-schema: Remove obsolete note from ObjectTypeInfo
  block: Use QDict helpers for --force-share
  shutdown: Expose bool cause in SHUTDOWN and RESET events
  shutdown: Add source information to SHUTDOWN and RESET
  shutdown: Preserve shutdown cause through replay
  shutdown: Prepare for use of an enum in reset/shutdown_request
  shutdown: Simplify shutdown_signal
  sockets: Plug memory leak in socket_address_flatten()
  scripts/qmp/qom-set: fix the value argument passed to srv.command()

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

2 files changed, 27 insertions, 8 deletions

diff --git a/include/sysemu/replay.h b/include/sysemu/replay.h
index f1c0712795..fa14d0ec0b 100644
--- a/include/sysemu/replay.h
+++ b/include/sysemu/replay.h
@@ -13,6 +13,7 @@
  */
 
 #include "qapi-types.h"
+#include "sysemu.h"
 
 /* replay clock kinds */
 enum ReplayClockKind {
@@ -98,7 +99,7 @@ int64_t replay_read_clock(ReplayClockKind kind);
 /* Events */
 
 /*! Called when qemu shutdown is requested. */
-void replay_shutdown_request(void);
+void replay_shutdown_request(ShutdownCause cause);
 /*! Should be called at check points in the execution.
     These check points are skipped, if they were not met.
     Saves checkpoint in the SAVE mode and validates in the PLAY mode.
diff --git a/include/sysemu/sysemu.h b/include/sysemu/sysemu.h
index ed8fe3bf34..69046ebf1b 100644
--- a/include/sysemu/sysemu.h
+++ b/include/sysemu/sysemu.h
@@ -33,8 +33,26 @@ VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e);
 void vm_state_notify(int running, RunState state);
 
-#define VMRESET_SILENT   false
-#define VMRESET_REPORT   true
+/* Enumeration of various causes for shutdown. */
+typedef enum ShutdownCause {
+    SHUTDOWN_CAUSE_NONE,          /* No shutdown request pending */
+    SHUTDOWN_CAUSE_HOST_ERROR,    /* An error prevents further use of guest */
+    SHUTDOWN_CAUSE_HOST_QMP,      /* Reaction to a QMP command, like 'quit' */
+    SHUTDOWN_CAUSE_HOST_SIGNAL,   /* Reaction to a signal, such as SIGINT */
+    SHUTDOWN_CAUSE_HOST_UI,       /* Reaction to UI event, like window close */
+    SHUTDOWN_CAUSE_GUEST_SHUTDOWN,/* Guest shutdown/suspend request, via
+                                     ACPI or other hardware-specific means */
+    SHUTDOWN_CAUSE_GUEST_RESET,   /* Guest reset request, and command line
+                                     turns that into a shutdown */
+    SHUTDOWN_CAUSE_GUEST_PANIC,   /* Guest panicked, and command line turns
+                                     that into a shutdown */
+    SHUTDOWN_CAUSE__MAX,
+} ShutdownCause;
+
+static inline bool shutdown_caused_by_guest(ShutdownCause cause)
+{
+    return cause >= SHUTDOWN_CAUSE_GUEST_SHUTDOWN;
+}
 
 void vm_start(void);
 int vm_prepare_start(void);
@@ -49,23 +67,23 @@ typedef enum WakeupReason {
     QEMU_WAKEUP_REASON_OTHER,
 } WakeupReason;
 
-void qemu_system_reset_request(void);
+void qemu_system_reset_request(ShutdownCause reason);
 void qemu_system_suspend_request(void);
 void qemu_register_suspend_notifier(Notifier *notifier);
 void qemu_system_wakeup_request(WakeupReason reason);
 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled);
 void qemu_register_wakeup_notifier(Notifier *notifier);
-void qemu_system_shutdown_request(void);
+void qemu_system_shutdown_request(ShutdownCause reason);
 void qemu_system_powerdown_request(void);
 void qemu_register_powerdown_notifier(Notifier *notifier);
 void qemu_system_debug_request(void);
 void qemu_system_vmstop_request(RunState reason);
 void qemu_system_vmstop_request_prepare(void);
 bool qemu_vmstop_requested(RunState *r);
-int qemu_shutdown_requested_get(void);
-int qemu_reset_requested_get(void);
+ShutdownCause qemu_shutdown_requested_get(void);
+ShutdownCause qemu_reset_requested_get(void);
 void qemu_system_killed(int signal, pid_t pid);
-void qemu_system_reset(bool report);
+void qemu_system_reset(ShutdownCause reason);
 void qemu_system_guest_panicked(GuestPanicInformation *info);
 
 void qemu_add_exit_notifier(Notifier *notify);