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[Qemu-devel] [PATCH v5 19/24] vl: Introduce shutdown_notifiers
From: |
Yuval Shaia |
Subject: |
[Qemu-devel] [PATCH v5 19/24] vl: Introduce shutdown_notifiers |
Date: |
Thu, 22 Nov 2018 14:13:57 +0200 |
Notifier will be used for signaling shutdown event to inform system is
shutdown. This will allow devices and other component to run some
cleanup code needed before VM is shutdown.
Signed-off-by: Yuval Shaia <address@hidden>
Reviewed-by: Cornelia Huck <address@hidden>
---
include/sysemu/sysemu.h | 1 +
vl.c | 15 ++++++++++++++-
2 files changed, 15 insertions(+), 1 deletion(-)
diff --git a/include/sysemu/sysemu.h b/include/sysemu/sysemu.h
index 8d6095d98b..0d15f16492 100644
--- a/include/sysemu/sysemu.h
+++ b/include/sysemu/sysemu.h
@@ -80,6 +80,7 @@ void qemu_register_wakeup_notifier(Notifier *notifier);
void qemu_system_shutdown_request(ShutdownCause reason);
void qemu_system_powerdown_request(void);
void qemu_register_powerdown_notifier(Notifier *notifier);
+void qemu_register_shutdown_notifier(Notifier *notifier);
void qemu_system_debug_request(void);
void qemu_system_vmstop_request(RunState reason);
void qemu_system_vmstop_request_prepare(void);
diff --git a/vl.c b/vl.c
index fa25d1ae2d..48177f7dd1 100644
--- a/vl.c
+++ b/vl.c
@@ -1578,6 +1578,8 @@ static NotifierList suspend_notifiers =
NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
static NotifierList wakeup_notifiers =
NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
+static NotifierList shutdown_notifiers =
+ NOTIFIER_LIST_INITIALIZER(shutdown_notifiers);
static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
ShutdownCause qemu_shutdown_requested_get(void)
@@ -1809,6 +1811,12 @@ static void qemu_system_powerdown(void)
notifier_list_notify(&powerdown_notifiers, NULL);
}
+static void qemu_system_shutdown(ShutdownCause cause)
+{
+ qapi_event_send_shutdown(shutdown_caused_by_guest(cause));
+ notifier_list_notify(&shutdown_notifiers, &cause);
+}
+
void qemu_system_powerdown_request(void)
{
trace_qemu_system_powerdown_request();
@@ -1821,6 +1829,11 @@ void qemu_register_powerdown_notifier(Notifier *notifier)
notifier_list_add(&powerdown_notifiers, notifier);
}
+void qemu_register_shutdown_notifier(Notifier *notifier)
+{
+ notifier_list_add(&shutdown_notifiers, notifier);
+}
+
void qemu_system_debug_request(void)
{
debug_requested = 1;
@@ -1848,7 +1861,7 @@ static bool main_loop_should_exit(void)
request = qemu_shutdown_requested();
if (request) {
qemu_kill_report();
- qapi_event_send_shutdown(shutdown_caused_by_guest(request));
+ qemu_system_shutdown(request);
if (no_shutdown) {
vm_stop(RUN_STATE_SHUTDOWN);
} else {
--
2.17.2
- [Qemu-devel] [PATCH v5 00/24] Add support for RDMA MAD, Yuval Shaia, 2018/11/22
- [Qemu-devel] [PATCH v5 22/24] hw/rdma: Do not call rdma_backend_del_gid on an empty gid, Yuval Shaia, 2018/11/22
- [Qemu-devel] [PATCH v5 21/24] hw/rdma: Do not use bitmap_zero_extend to free bitmap, Yuval Shaia, 2018/11/22
- [Qemu-devel] [PATCH v5 19/24] vl: Introduce shutdown_notifiers,
Yuval Shaia <=
- [Qemu-devel] [PATCH v5 20/24] hw/pvrdma: Clean device's resource when system is shutdown, Yuval Shaia, 2018/11/22
- [Qemu-devel] [PATCH v5 13/24] hw/pvrdma: Make sure PCI function 0 is vmxnet3, Yuval Shaia, 2018/11/22
- [Qemu-devel] [PATCH v5 16/24] hw/pvrdma: Fill all CQE fields, Yuval Shaia, 2018/11/22
- [Qemu-devel] [PATCH v5 23/24] hw/pvrdma: Do not clean resources on shutdown, Yuval Shaia, 2018/11/22
- [Qemu-devel] [PATCH v5 15/24] hw/pvrdma: Make device state depend on Ethernet function state, Yuval Shaia, 2018/11/22
- [Qemu-devel] [PATCH v5 24/24] docs: Update pvrdma device documentation, Yuval Shaia, 2018/11/22