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-rw-r--r--hw/arm/gumstix.c2
-rw-r--r--hw/arm/mainstone.c1
-rw-r--r--hw/arm/nseries.c2
-rw-r--r--hw/arm/palm.c1
-rw-r--r--hw/arm/spitz.c1
-rw-r--r--hw/arm/tosa.c1
-rw-r--r--hw/arm/z2.c1
-rw-r--r--hw/core/machine.c4
-rw-r--r--hw/core/qdev-properties-system.c10
-rw-r--r--hw/m68k/virt.c17
-rw-r--r--hw/vfio/common.c19
-rw-r--r--hw/vfio/container.c12
-rw-r--r--hw/vfio/cpr.c39
-rw-r--r--hw/vfio/iommufd.c6
-rw-r--r--hw/vfio/meson.build1
-rw-r--r--hw/vfio/migration.c26
-rw-r--r--hw/virtio/vhost-user.c1
-rw-r--r--hw/virtio/virtio-balloon.c2
18 files changed, 108 insertions, 38 deletions
diff --git a/hw/arm/gumstix.c b/hw/arm/gumstix.c
index d5de5409e1..9146269153 100644
--- a/hw/arm/gumstix.c
+++ b/hw/arm/gumstix.c
@@ -106,6 +106,7 @@ static void connex_class_init(ObjectClass *oc, void *data)
     mc->desc = "Gumstix Connex (PXA255)";
     mc->init = connex_init;
     mc->ignore_memory_transaction_failures = true;
+    mc->deprecation_reason = "machine is old and unmaintained";
 }
 
 static const TypeInfo connex_type = {
@@ -121,6 +122,7 @@ static void verdex_class_init(ObjectClass *oc, void *data)
     mc->desc = "Gumstix Verdex Pro XL6P COMs (PXA270)";
     mc->init = verdex_init;
     mc->ignore_memory_transaction_failures = true;
+    mc->deprecation_reason = "machine is old and unmaintained";
     mc->default_cpu_type = ARM_CPU_TYPE_NAME("pxa270-c0");
 }
 
diff --git a/hw/arm/mainstone.c b/hw/arm/mainstone.c
index d2e2e68aa3..3a6c22fddb 100644
--- a/hw/arm/mainstone.c
+++ b/hw/arm/mainstone.c
@@ -169,6 +169,7 @@ static void mainstone2_machine_init(MachineClass *mc)
     mc->init = mainstone_init;
     mc->ignore_memory_transaction_failures = true;
     mc->default_cpu_type = ARM_CPU_TYPE_NAME("pxa270-c5");
+    mc->deprecation_reason = "machine is old and unmaintained";
 }
 
 DEFINE_MACHINE("mainstone", mainstone2_machine_init)
diff --git a/hw/arm/nseries.c b/hw/arm/nseries.c
index 35deb74f65..35364312c7 100644
--- a/hw/arm/nseries.c
+++ b/hw/arm/nseries.c
@@ -1430,6 +1430,7 @@ static void n800_class_init(ObjectClass *oc, void *data)
     /* Actually two chips of 0x4000000 bytes each */
     mc->default_ram_size = 0x08000000;
     mc->default_ram_id = "omap2.dram";
+    mc->deprecation_reason = "machine is old and unmaintained";
 
     machine_add_audiodev_property(mc);
 }
@@ -1452,6 +1453,7 @@ static void n810_class_init(ObjectClass *oc, void *data)
     /* Actually two chips of 0x4000000 bytes each */
     mc->default_ram_size = 0x08000000;
     mc->default_ram_id = "omap2.dram";
+    mc->deprecation_reason = "machine is old and unmaintained";
 
     machine_add_audiodev_property(mc);
 }
diff --git a/hw/arm/palm.c b/hw/arm/palm.c
index 8c4c831614..e04ac92eb7 100644
--- a/hw/arm/palm.c
+++ b/hw/arm/palm.c
@@ -309,6 +309,7 @@ static void palmte_machine_init(MachineClass *mc)
     mc->default_cpu_type = ARM_CPU_TYPE_NAME("ti925t");
     mc->default_ram_size = 0x02000000;
     mc->default_ram_id = "omap1.dram";
+    mc->deprecation_reason = "machine is old and unmaintained";
 
     machine_add_audiodev_property(mc);
 }
diff --git a/hw/arm/spitz.c b/hw/arm/spitz.c
index 643a02b180..62cd55ba91 100644
--- a/hw/arm/spitz.c
+++ b/hw/arm/spitz.c
@@ -1041,6 +1041,7 @@ static void spitz_common_class_init(ObjectClass *oc, void *data)
     mc->block_default_type = IF_IDE;
     mc->ignore_memory_transaction_failures = true;
     mc->init = spitz_common_init;
+    mc->deprecation_reason = "machine is old and unmaintained";
 
     machine_add_audiodev_property(mc);
 }
diff --git a/hw/arm/tosa.c b/hw/arm/tosa.c
index 3ca2e4459c..5891f6064f 100644
--- a/hw/arm/tosa.c
+++ b/hw/arm/tosa.c
@@ -270,6 +270,7 @@ static void tosapda_machine_init(MachineClass *mc)
     mc->init = tosa_init;
     mc->block_default_type = IF_IDE;
     mc->ignore_memory_transaction_failures = true;
+    mc->deprecation_reason = "machine is old and unmaintained";
 }
 
 DEFINE_MACHINE("tosa", tosapda_machine_init)
diff --git a/hw/arm/z2.c b/hw/arm/z2.c
index eb2ff8dbc8..fc5672e7ab 100644
--- a/hw/arm/z2.c
+++ b/hw/arm/z2.c
@@ -347,6 +347,7 @@ static void z2_machine_init(MachineClass *mc)
     mc->init = z2_init;
     mc->ignore_memory_transaction_failures = true;
     mc->default_cpu_type = ARM_CPU_TYPE_NAME("pxa270-c5");
+    mc->deprecation_reason = "machine is old and unmaintained";
 
     machine_add_audiodev_property(mc);
 }
diff --git a/hw/core/machine.c b/hw/core/machine.c
index 9ac5d5389a..0e9d646b61 100644
--- a/hw/core/machine.c
+++ b/hw/core/machine.c
@@ -32,7 +32,9 @@
 #include "hw/virtio/virtio-net.h"
 #include "audio/audio.h"
 
-GlobalProperty hw_compat_8_2[] = {};
+GlobalProperty hw_compat_8_2[] = {
+    { "migration", "zero-page-detection", "legacy"},
+};
 const size_t hw_compat_8_2_len = G_N_ELEMENTS(hw_compat_8_2);
 
 GlobalProperty hw_compat_8_1[] = {
diff --git a/hw/core/qdev-properties-system.c b/hw/core/qdev-properties-system.c
index 00c968f4f5..f52073b7c8 100644
--- a/hw/core/qdev-properties-system.c
+++ b/hw/core/qdev-properties-system.c
@@ -694,6 +694,16 @@ const PropertyInfo qdev_prop_granule_mode = {
     .set_default_value = qdev_propinfo_set_default_value_enum,
 };
 
+const PropertyInfo qdev_prop_zero_page_detection = {
+    .name = "ZeroPageDetection",
+    .description = "zero_page_detection values, "
+                   "none,legacy,multifd",
+    .enum_table = &ZeroPageDetection_lookup,
+    .get = qdev_propinfo_get_enum,
+    .set = qdev_propinfo_set_enum,
+    .set_default_value = qdev_propinfo_set_default_value_enum,
+};
+
 /* --- Reserved Region --- */
 
 /*
diff --git a/hw/m68k/virt.c b/hw/m68k/virt.c
index e2792ef46d..b8e5e102e6 100644
--- a/hw/m68k/virt.c
+++ b/hw/m68k/virt.c
@@ -239,9 +239,20 @@ static void virt_init(MachineState *machine)
         param_ptr = param_blob;
 
         BOOTINFO1(param_ptr, BI_MACHTYPE, MACH_VIRT);
-        BOOTINFO1(param_ptr, BI_FPUTYPE, FPU_68040);
-        BOOTINFO1(param_ptr, BI_MMUTYPE, MMU_68040);
-        BOOTINFO1(param_ptr, BI_CPUTYPE, CPU_68040);
+        if (m68k_feature(&cpu->env, M68K_FEATURE_M68020)) {
+            BOOTINFO1(param_ptr, BI_CPUTYPE, CPU_68020);
+        } else if (m68k_feature(&cpu->env, M68K_FEATURE_M68030)) {
+            BOOTINFO1(param_ptr, BI_MMUTYPE, MMU_68030);
+            BOOTINFO1(param_ptr, BI_CPUTYPE, CPU_68030);
+        } else if (m68k_feature(&cpu->env, M68K_FEATURE_M68040)) {
+            BOOTINFO1(param_ptr, BI_FPUTYPE, FPU_68040);
+            BOOTINFO1(param_ptr, BI_MMUTYPE, MMU_68040);
+            BOOTINFO1(param_ptr, BI_CPUTYPE, CPU_68040);
+        } else if (m68k_feature(&cpu->env, M68K_FEATURE_M68060)) {
+            BOOTINFO1(param_ptr, BI_FPUTYPE, FPU_68060);
+            BOOTINFO1(param_ptr, BI_MMUTYPE, MMU_68060);
+            BOOTINFO1(param_ptr, BI_CPUTYPE, CPU_68060);
+        }
         BOOTINFO2(param_ptr, BI_MEMCHUNK, 0, ram_size);
 
         BOOTINFO1(param_ptr, BI_VIRT_QEMU_VERSION,
diff --git a/hw/vfio/common.c b/hw/vfio/common.c
index 059bfdc07a..011ceaab89 100644
--- a/hw/vfio/common.c
+++ b/hw/vfio/common.c
@@ -39,7 +39,6 @@
 #include "sysemu/runstate.h"
 #include "trace.h"
 #include "qapi/error.h"
-#include "migration/migration.h"
 #include "migration/misc.h"
 #include "migration/blocker.h"
 #include "migration/qemu-file.h"
@@ -128,7 +127,7 @@ int vfio_block_multiple_devices_migration(VFIODevice *vbasedev, Error **errp)
     error_setg(&multiple_devices_migration_blocker,
                "Multiple VFIO devices migration is supported only if all of "
                "them support P2P migration");
-    ret = migrate_add_blocker(&multiple_devices_migration_blocker, errp);
+    ret = migrate_add_blocker_normal(&multiple_devices_migration_blocker, errp);
 
     return ret;
 }
@@ -150,14 +149,8 @@ bool vfio_viommu_preset(VFIODevice *vbasedev)
 
 static void vfio_set_migration_error(int err)
 {
-    MigrationState *ms = migrate_get_current();
-
-    if (migration_is_setup_or_active(ms->state)) {
-        WITH_QEMU_LOCK_GUARD(&ms->qemu_file_lock) {
-            if (ms->to_dst_file) {
-                qemu_file_set_error(ms->to_dst_file, err);
-            }
-        }
+    if (migration_is_setup_or_active()) {
+        migration_file_set_error(err);
     }
 }
 
@@ -180,10 +173,8 @@ bool vfio_device_state_is_precopy(VFIODevice *vbasedev)
 static bool vfio_devices_all_dirty_tracking(VFIOContainerBase *bcontainer)
 {
     VFIODevice *vbasedev;
-    MigrationState *ms = migrate_get_current();
 
-    if (ms->state != MIGRATION_STATUS_ACTIVE &&
-        ms->state != MIGRATION_STATUS_DEVICE) {
+    if (!migration_is_active() && !migration_is_device()) {
         return false;
     }
 
@@ -225,7 +216,7 @@ vfio_devices_all_running_and_mig_active(const VFIOContainerBase *bcontainer)
 {
     VFIODevice *vbasedev;
 
-    if (!migration_is_active(migrate_get_current())) {
+    if (!migration_is_active()) {
         return false;
     }
 
diff --git a/hw/vfio/container.c b/hw/vfio/container.c
index bd25b9fbad..9a775e4efc 100644
--- a/hw/vfio/container.c
+++ b/hw/vfio/container.c
@@ -32,7 +32,6 @@
 #include "sysemu/reset.h"
 #include "trace.h"
 #include "qapi/error.h"
-#include "migration/migration.h"
 #include "pci.h"
 
 VFIOGroupList vfio_group_list =
@@ -621,10 +620,15 @@ static int vfio_connect_container(VFIOGroup *group, AddressSpace *as,
         goto free_container_exit;
     }
 
+    ret = vfio_cpr_register_container(bcontainer, errp);
+    if (ret) {
+        goto free_container_exit;
+    }
+
     ret = vfio_ram_block_discard_disable(container, true);
     if (ret) {
         error_setg_errno(errp, -ret, "Cannot set discarding of RAM broken");
-        goto free_container_exit;
+        goto unregister_container_exit;
     }
 
     assert(bcontainer->ops->setup);
@@ -667,6 +671,9 @@ listener_release_exit:
 enable_discards_exit:
     vfio_ram_block_discard_disable(container, false);
 
+unregister_container_exit:
+    vfio_cpr_unregister_container(bcontainer);
+
 free_container_exit:
     g_free(container);
 
@@ -710,6 +717,7 @@ static void vfio_disconnect_container(VFIOGroup *group)
         vfio_container_destroy(bcontainer);
 
         trace_vfio_disconnect_container(container->fd);
+        vfio_cpr_unregister_container(bcontainer);
         close(container->fd);
         g_free(container);
 
diff --git a/hw/vfio/cpr.c b/hw/vfio/cpr.c
new file mode 100644
index 0000000000..392c2dd95d
--- /dev/null
+++ b/hw/vfio/cpr.c
@@ -0,0 +1,39 @@
+/*
+ * Copyright (c) 2021-2024 Oracle and/or its affiliates.
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#include "qemu/osdep.h"
+#include "hw/vfio/vfio-common.h"
+#include "migration/misc.h"
+#include "qapi/error.h"
+#include "sysemu/runstate.h"
+
+static int vfio_cpr_reboot_notifier(NotifierWithReturn *notifier,
+                                    MigrationEvent *e, Error **errp)
+{
+    if (e->type == MIG_EVENT_PRECOPY_SETUP &&
+        !runstate_check(RUN_STATE_SUSPENDED) && !vm_get_suspended()) {
+
+        error_setg(errp,
+            "VFIO device only supports cpr-reboot for runstate suspended");
+
+        return -1;
+    }
+    return 0;
+}
+
+int vfio_cpr_register_container(VFIOContainerBase *bcontainer, Error **errp)
+{
+    migration_add_notifier_mode(&bcontainer->cpr_reboot_notifier,
+                                vfio_cpr_reboot_notifier,
+                                MIG_MODE_CPR_REBOOT);
+    return 0;
+}
+
+void vfio_cpr_unregister_container(VFIOContainerBase *bcontainer)
+{
+    migration_remove_notifier(&bcontainer->cpr_reboot_notifier);
+}
diff --git a/hw/vfio/iommufd.c b/hw/vfio/iommufd.c
index 9bfddc1360..e1be224494 100644
--- a/hw/vfio/iommufd.c
+++ b/hw/vfio/iommufd.c
@@ -411,6 +411,11 @@ found_container:
         goto err_listener_register;
     }
 
+    ret = vfio_cpr_register_container(bcontainer, errp);
+    if (ret) {
+        goto err_listener_register;
+    }
+
     /*
      * TODO: examine RAM_BLOCK_DISCARD stuff, should we do group level
      * for discarding incompatibility check as well?
@@ -461,6 +466,7 @@ static void iommufd_cdev_detach(VFIODevice *vbasedev)
         iommufd_cdev_ram_block_discard_disable(false);
     }
 
+    vfio_cpr_unregister_container(bcontainer);
     iommufd_cdev_detach_container(vbasedev, container);
     iommufd_cdev_container_destroy(container);
     vfio_put_address_space(space);
diff --git a/hw/vfio/meson.build b/hw/vfio/meson.build
index bb98493b53..bba776f75c 100644
--- a/hw/vfio/meson.build
+++ b/hw/vfio/meson.build
@@ -5,6 +5,7 @@ vfio_ss.add(files(
   'container-base.c',
   'container.c',
   'migration.c',
+  'cpr.c',
 ))
 vfio_ss.add(when: 'CONFIG_PSERIES', if_true: files('spapr.c'))
 vfio_ss.add(when: 'CONFIG_IOMMUFD', if_true: files(
diff --git a/hw/vfio/migration.c b/hw/vfio/migration.c
index 50140eda87..1149c6b374 100644
--- a/hw/vfio/migration.c
+++ b/hw/vfio/migration.c
@@ -17,14 +17,12 @@
 
 #include "sysemu/runstate.h"
 #include "hw/vfio/vfio-common.h"
-#include "migration/migration.h"
-#include "migration/options.h"
+#include "migration/misc.h"
 #include "migration/savevm.h"
 #include "migration/vmstate.h"
 #include "migration/qemu-file.h"
 #include "migration/register.h"
 #include "migration/blocker.h"
-#include "migration/misc.h"
 #include "qapi/error.h"
 #include "exec/ramlist.h"
 #include "exec/ram_addr.h"
@@ -505,6 +503,12 @@ static bool vfio_is_active_iterate(void *opaque)
     return vfio_device_state_is_precopy(vbasedev);
 }
 
+/*
+ * Note about migration rate limiting: VFIO migration buffer size is currently
+ * limited to 1MB, so there is no need to check if migration rate exceeded (as
+ * in the worst case it will exceed by 1MB). However, if the buffer size is
+ * later changed to a bigger value, migration rate should be enforced here.
+ */
 static int vfio_save_iterate(QEMUFile *f, void *opaque)
 {
     VFIODevice *vbasedev = opaque;
@@ -529,11 +533,7 @@ static int vfio_save_iterate(QEMUFile *f, void *opaque)
     trace_vfio_save_iterate(vbasedev->name, migration->precopy_init_size,
                             migration->precopy_dirty_size);
 
-    /*
-     * A VFIO device's pre-copy dirty_bytes is not guaranteed to reach zero.
-     * Return 1 so following handlers will not be potentially blocked.
-     */
-    return 1;
+    return !migration->precopy_init_size && !migration->precopy_dirty_size;
 }
 
 static int vfio_save_complete_precopy(QEMUFile *f, void *opaque)
@@ -713,9 +713,7 @@ static void vfio_vmstate_change_prepare(void *opaque, bool running,
          * Migration should be aborted in this case, but vm_state_notify()
          * currently does not support reporting failures.
          */
-        if (migrate_get_current()->to_dst_file) {
-            qemu_file_set_error(migrate_get_current()->to_dst_file, ret);
-        }
+        migration_file_set_error(ret);
     }
 
     trace_vfio_vmstate_change_prepare(vbasedev->name, running,
@@ -745,9 +743,7 @@ static void vfio_vmstate_change(void *opaque, bool running, RunState state)
          * Migration should be aborted in this case, but vm_state_notify()
          * currently does not support reporting failures.
          */
-        if (migrate_get_current()->to_dst_file) {
-            qemu_file_set_error(migrate_get_current()->to_dst_file, ret);
-        }
+        migration_file_set_error(ret);
     }
 
     trace_vfio_vmstate_change(vbasedev->name, running, RunState_str(state),
@@ -889,7 +885,7 @@ static int vfio_block_migration(VFIODevice *vbasedev, Error *err, Error **errp)
     vbasedev->migration_blocker = error_copy(err);
     error_free(err);
 
-    return migrate_add_blocker(&vbasedev->migration_blocker, errp);
+    return migrate_add_blocker_normal(&vbasedev->migration_blocker, errp);
 }
 
 /* ---------------------------------------------------------------------- */
diff --git a/hw/virtio/vhost-user.c b/hw/virtio/vhost-user.c
index a1eea8547e..1af8621481 100644
--- a/hw/virtio/vhost-user.c
+++ b/hw/virtio/vhost-user.c
@@ -26,7 +26,6 @@
 #include "qemu/sockets.h"
 #include "sysemu/runstate.h"
 #include "sysemu/cryptodev.h"
-#include "migration/migration.h"
 #include "migration/postcopy-ram.h"
 #include "trace.h"
 #include "exec/ramblock.h"
diff --git a/hw/virtio/virtio-balloon.c b/hw/virtio/virtio-balloon.c
index 89f853fa9e..609e39a821 100644
--- a/hw/virtio/virtio-balloon.c
+++ b/hw/virtio/virtio-balloon.c
@@ -31,8 +31,6 @@
 #include "trace.h"
 #include "qemu/error-report.h"
 #include "migration/misc.h"
-#include "migration/migration.h"
-#include "migration/options.h"
 
 #include "hw/virtio/virtio-bus.h"
 #include "hw/virtio/virtio-access.h"