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[Qemu-devel] [PATCH v2 19/22] vl: Introduce shutdown_notifiers
From: |
Yuval Shaia |
Subject: |
[Qemu-devel] [PATCH v2 19/22] vl: Introduce shutdown_notifiers |
Date: |
Thu, 8 Nov 2018 18:08:15 +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>
---
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 1fcacc5caa..c5ba750f3e 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(bool by_guest)
+{
+ qapi_event_send_shutdown(by_guest);
+ notifier_list_notify(&shutdown_notifiers, NULL);
+}
+
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(shutdown_caused_by_guest(request));
if (no_shutdown) {
vm_stop(RUN_STATE_SHUTDOWN);
} else {
--
2.17.2
- Re: [Qemu-devel] [PATCH v2 09/22] hw/pvrdma: Set the correct opcode for send completion, (continued)
- [Qemu-devel] [PATCH v2 13/22] hw/pvrdma: Make sure PCI function 0 is vmxnet3, Yuval Shaia, 2018/11/08
- [Qemu-devel] [PATCH v2 20/22] hw/pvrdma: Clean device's resource when system is shutdown, Yuval Shaia, 2018/11/08
- [Qemu-devel] [PATCH v2 14/22] hw/rdma: Initialize node_guid from vmxnet3 mac address, Yuval Shaia, 2018/11/08
- [Qemu-devel] [PATCH v2 18/22] hw/rdma: Remove unneeded code that handles more that one port, Yuval Shaia, 2018/11/08
- [Qemu-devel] [PATCH v2 15/22] hw/pvrdma: Make device state depend on Ethernet function state, Yuval Shaia, 2018/11/08
- [Qemu-devel] [PATCH v2 16/22] hw/pvrdma: Fill all CQE fields, Yuval Shaia, 2018/11/08
- [Qemu-devel] [PATCH v2 19/22] vl: Introduce shutdown_notifiers,
Yuval Shaia <=
- [Qemu-devel] [PATCH v2 17/22] hw/pvrdma: Fill error code in command's response, Yuval Shaia, 2018/11/08
- [Qemu-devel] [PATCH v2 12/22] vmxnet3: Move some definitions to header file, Yuval Shaia, 2018/11/08
- [Qemu-devel] [PATCH v2 21/22] rdma: Do not use bitmap_zero_extend to fee bitmap, Yuval Shaia, 2018/11/08
- [Qemu-devel] [PATCH v2 22/22] rdma: Do not call rdma_backend_del_gid on an empty gid, Yuval Shaia, 2018/11/08