qemu/vhost-implement-migration-state-notifier-for-vdpa-de.patch
Jiabo Feng c300b8e80b QEMU update to version 8.2.0-5
- vfio/migration: Add support for manual clear vfio dirty log
- vfio: Maintain DMA mapping range for the container
- linux-headers: update against 5.10 and manual clear vfio dirty log series
- arm/acpi: Fix when make qemu-system-aarch64 at x86_64 host bios_tables_test fail reason: __aarch64__ macro let build_pptt at x86_64 and aarch64 host build different function that let bios_tables_test fail.
- pl031: support rtc-timer property for pl031
- feature: Add logs for vm start and destroy
- feature: Add log for each modules
- log: Add log at boot & cpu init for aarch64
- bugfix: irq: Avoid covering object refcount of qemu_irq
- i386: cache passthrough: Update AMD 8000_001D.EAX[25:14] based on vCPU topo
- freeclock: set rtc_date_diff for X86
- freeclock: set rtc_date_diff for arm
- freeclock: add qmp command to get time offset of vm in seconds
- tests: Disable filemonitor testcase
- shadow_dev: introduce shadow dev for virtio-net device
- pl011: reset read FIFO when UARTTIMSC=0 & UARTICR=0xffff
- tests: virt: Update expected ACPI tables for virt test(update BinDir)
- arm64: Add the cpufreq device to show cpufreq info to guest
- hw/arm64: add vcpu cache info support
- tests: virt: Allow changes to PPTT test table
- cpu: add Cortex-A72 processor kvm target support
- cpu: add Kunpeng-920 cpu support
- net: eepro100: validate various address valuesi(CVE-2021-20255)
- ide: ahci: add check to avoid null dereference (CVE-2019-12067)
- vdpa: set vring enable only if the vring address has already been set
- docs: Add generic vhost-vdpa device documentation
- vdpa: don't suspend/resume device when vdpa device not started
- vdpa: correct param passed in when unregister save
- vdpa: suspend function return 0 when the vdpa device is stopped
- vdpa: support vdpa device suspend/resume
- vdpa: move memory listener to the realize stage
- vdpa: implement vdpa device migration
- vhost: implement migration state notifier for vdpa device
- vhost: implement post resume bh
- vhost: implement savevm_handler for vdpa device
- vhost: implement vhost_vdpa_device_suspend/resume
- vhost: implement vhost-vdpa suspend/resume
- vhost: add vhost_dev_suspend/resume_op
- vhost: introduce bytemap for vhost backend logging
- vhost-vdpa: add migration log ops for VhostOps
- vhost-vdpa: add VHOST_BACKEND_F_BYTEMAPLOG
- hw/usb: reduce the vpcu cost of UHCI when VNC disconnect
- virtio-net: update the default and max of rx/tx_queue_size
- virtio-net: set the max of queue size to 4096
- virtio-net: fix max vring buf size when set ring num
- virtio-net: bugfix: do not delete netdev before virtio net
- monitor: Discard BLOCK_IO_ERROR event when VM rebooted
- vhost-user: add unregister_savevm when vhost-user cleanup
- vhost-user: add vhost_set_mem_table when vm load_setup at destination
- vhost-user: quit infinite loop while used memslots is more than the backend limit
- fix qemu-core when vhost-user-net config with server mode
- vhost-user: Add support reconnect vhost-user socket
- vhost-user: Set the acked_features to vm's featrue
- i6300esb watchdog: bugfix: Add a runstate transition
- hw/net/rocker_of_dpa: fix double free bug of rocker device
- net/dump.c: Suppress spurious compiler warning
- pcie: Add pcie-root-port fast plug/unplug feature
- pcie: Compat with devices which do not support Link Width, such as ioh3420
- qdev/monitors: Fix reundant error_setg of qdev_add_device
- qemu-nbd: set timeout to qemu-nbd socket
- qemu-nbd: make native as the default aio mode
- nbd/server.c: fix invalid read after client was already free
- virtio-scsi: bugfix: fix qemu crash for hotplug scsi disk with dataplane
- virtio: bugfix: check the value of caches before accessing it
- virtio: print the guest virtio_net features that host does not support
- virtio: bugfix: add rcu_read_lock when vring_avail_idx is called
- virtio: check descriptor numbers
- migration: report multiFd related thread pid to libvirt
- migration: report migration related thread pid to libvirt
- cpu/features: fix bug for memory leakage
- doc: Update multi-thread compression doc
- migration: Add compress_level sanity check
- migration: Add zstd support in multi-thread compression
- migration: Add multi-thread compress ops
- migration: Refactoring multi-thread compress migration
- migration: Add multi-thread compress method
- migration: skip cache_drop for bios bootloader and nvram template
- oslib-posix: optimise vm startup time for 1G hugepage
- monitor/qmp: drop inflight rsp if qmp client broken
- ps2: fix oob in ps2 kbd
- Currently, while kvm and qemu can not handle some kvm exit, qemu will do vm_stop, which will make vm in pause state. This action make vm unrecoverable, so send guest panic to libvirt instead.
- vhost: cancel migration when vhost-user restarted during migraiton

Signed-off-by: Jiabo Feng <fengjiabo1@huawei.com>
2024-04-10 20:19:06 +08:00

88 lines
2.8 KiB
Diff

From 3ef6dc341d6921a95564e9089f41ddbd79cd2a94 Mon Sep 17 00:00:00 2001
From: libai <libai12@huawei.com>
Date: Mon, 4 Dec 2023 15:55:53 +0800
Subject: [PATCH] vhost: implement migration state notifier for vdpa device
Register migration state notifier to support triggered by
migration exceptions
Signed-off-by: libai <libai12@huawei.com>
---
hw/virtio/vdpa-dev-mig.c | 29 +++++++++++++++++++++++++++++
include/hw/virtio/vdpa-dev.h | 1 +
2 files changed, 30 insertions(+)
diff --git a/hw/virtio/vdpa-dev-mig.c b/hw/virtio/vdpa-dev-mig.c
index 1872f11f3f..9b47e3ed45 100644
--- a/hw/virtio/vdpa-dev-mig.c
+++ b/hw/virtio/vdpa-dev-mig.c
@@ -23,6 +23,7 @@
#include "hw/virtio/virtio-bus.h"
#include "migration/register.h"
#include "migration/migration.h"
+#include "migration/misc.h"
#include "qemu/error-report.h"
#include "hw/virtio/vdpa-dev-mig.h"
#include "migration/qemu-file-types.h"
@@ -354,6 +355,31 @@ static SaveVMHandlers savevm_vdpa_handlers = {
.load_setup = vdpa_load_setup,
};
+static void vdpa_migration_state_notifier(Notifier *notifier, void *data)
+{
+ MigrationState *s = data;
+ VhostVdpaDevice *vdev = container_of(notifier,
+ VhostVdpaDevice,
+ migration_state);
+ struct vhost_dev *hdev = &vdev->dev;
+ int ret;
+
+ switch (s->state) {
+ case MIGRATION_STATUS_CANCELLING:
+ case MIGRATION_STATUS_CANCELLED:
+ case MIGRATION_STATUS_FAILED:
+ ret = vhost_vdpa_set_mig_state(hdev, VDPA_DEVICE_CANCEL);
+ if (ret) {
+ error_report("Failed to set state CANCEL\n");
+ }
+
+ break;
+ case MIGRATION_STATUS_COMPLETED:
+ default:
+ break;
+ }
+}
+
void vdpa_migration_register(VhostVdpaDevice *vdev)
{
vdev->vmstate = qdev_add_vm_change_state_handler(DEVICE(vdev),
@@ -361,10 +387,13 @@ void vdpa_migration_register(VhostVdpaDevice *vdev)
DEVICE(vdev));
register_savevm_live("vdpa", -1, 1,
&savevm_vdpa_handlers, DEVICE(vdev));
+ vdev->migration_state.notify = vdpa_migration_state_notifier;
+ migration_add_notifier(&vdev->migration_state, vdpa_migration_state_notifier);
}
void vdpa_migration_unregister(VhostVdpaDevice *vdev)
{
+ migration_remove_notifier(&vdev->migration_state);
unregister_savevm(VMSTATE_IF(&vdev->parent_obj.parent_obj), "vdpa", DEVICE(vdev));
qemu_del_vm_change_state_handler(vdev->vmstate);
}
diff --git a/include/hw/virtio/vdpa-dev.h b/include/hw/virtio/vdpa-dev.h
index 43cbcef81b..20f50c76c6 100644
--- a/include/hw/virtio/vdpa-dev.h
+++ b/include/hw/virtio/vdpa-dev.h
@@ -39,6 +39,7 @@ struct VhostVdpaDevice {
bool started;
int (*post_init)(VhostVdpaDevice *v, Error **errp);
VMChangeStateEntry *vmstate;
+ Notifier migration_state;
};
#endif
--
2.27.0