diff options
Diffstat (limited to 'include/migration')
| -rw-r--r-- | include/migration/colo.h | 2 | ||||
| -rw-r--r-- | include/migration/cpr.h | 10 | ||||
| -rw-r--r-- | include/migration/misc.h | 12 | ||||
| -rw-r--r-- | include/migration/vmstate.h | 29 |
4 files changed, 49 insertions, 4 deletions
diff --git a/include/migration/colo.h b/include/migration/colo.h index 43222ef..d4fe422 100644 --- a/include/migration/colo.h +++ b/include/migration/colo.h @@ -25,7 +25,7 @@ void migrate_start_colo_process(MigrationState *s); bool migration_in_colo_state(void); /* loadvm */ -int migration_incoming_enable_colo(void); +int migration_incoming_enable_colo(Error **errp); void migration_incoming_disable_colo(void); bool migration_incoming_colo_enabled(void); bool migration_incoming_in_colo_state(void); diff --git a/include/migration/cpr.h b/include/migration/cpr.h index 3fc19a7..a412d66 100644 --- a/include/migration/cpr.h +++ b/include/migration/cpr.h @@ -34,6 +34,9 @@ void cpr_resave_fd(const char *name, int id, int fd); int cpr_open_fd(const char *path, int flags, const char *name, int id, Error **errp); +typedef bool (*cpr_walk_fd_cb)(int fd); +bool cpr_walk_fd(cpr_walk_fd_cb cb); + MigMode cpr_get_incoming_mode(void); void cpr_set_incoming_mode(MigMode mode); bool cpr_is_incoming(void); @@ -50,4 +53,11 @@ int cpr_get_fd_param(const char *name, const char *fdname, int index, QEMUFile *cpr_transfer_output(MigrationChannel *channel, Error **errp); QEMUFile *cpr_transfer_input(MigrationChannel *channel, Error **errp); +void cpr_exec_init(void); +QEMUFile *cpr_exec_output(Error **errp); +QEMUFile *cpr_exec_input(Error **errp); +void cpr_exec_persist_state(QEMUFile *f); +bool cpr_exec_has_state(void); +void cpr_exec_unpersist_state(void); +void cpr_exec_unpreserve_fds(void); #endif diff --git a/include/migration/misc.h b/include/migration/misc.h index a261f99..592b930 100644 --- a/include/migration/misc.h +++ b/include/migration/misc.h @@ -95,7 +95,19 @@ void migration_add_notifier(NotifierWithReturn *notify, void migration_add_notifier_mode(NotifierWithReturn *notify, MigrationNotifyFunc func, MigMode mode); +/* + * Same as migration_add_notifier, but applies to all @mode in the argument + * list. The list is terminated by -1 or MIG_MODE_ALL. For the latter, + * the notifier is added for all modes. + */ +void migration_add_notifier_modes(NotifierWithReturn *notify, + MigrationNotifyFunc func, MigMode mode, ...); + +/* + * Remove a notifier from all modes. + */ void migration_remove_notifier(NotifierWithReturn *notify); + void migration_file_set_error(int ret, Error *err); /* True if incoming migration entered POSTCOPY_INCOMING_DISCARD */ diff --git a/include/migration/vmstate.h b/include/migration/vmstate.h index 1ff7bd9..63ccaee 100644 --- a/include/migration/vmstate.h +++ b/include/migration/vmstate.h @@ -163,6 +163,7 @@ typedef enum { MIG_PRI_IOMMU, /* Must happen before PCI devices */ MIG_PRI_PCI_BUS, /* Must happen before IOMMU */ MIG_PRI_VIRTIO_MEM, /* Must happen before IOMMU */ + MIG_PRI_APIC, /* Must happen before PCI devices */ MIG_PRI_GICV3_ITS, /* Must happen before PCI devices */ MIG_PRI_GICV3, /* Must happen before the ITS */ MIG_PRI_MAX, @@ -200,14 +201,28 @@ struct VMStateDescription { * exclusive. For this reason, also early_setup VMSDs are migrated in a * QEMU_VM_SECTION_FULL section, while save_setup() data is migrated in * a QEMU_VM_SECTION_START section. + * + * There are duplicate impls of the post/pre save/load hooks. + * New impls should preferentally use 'errp' variants of these + * methods and existing impls incrementally converted. + * The variants without 'errp' are intended to be removed + * once all usage is converted. + * + * For the errp variants, + * Returns: 0 on success, + * <0 on error where -value is an error number from errno.h */ + bool early_setup; int version_id; int minimum_version_id; MigrationPriority priority; int (*pre_load)(void *opaque); + int (*pre_load_errp)(void *opaque, Error **errp); int (*post_load)(void *opaque, int version_id); + int (*post_load_errp)(void *opaque, int version_id, Error **errp); int (*pre_save)(void *opaque); + int (*pre_save_errp)(void *opaque, Error **errp); int (*post_save)(void *opaque); bool (*needed)(void *opaque); bool (*dev_unplug_pending)(void *opaque); @@ -522,6 +537,16 @@ extern const VMStateInfo vmstate_info_qlist; .offset = vmstate_offset_array(_s, _f, _type*, _n), \ } +#define VMSTATE_VARRAY_OF_POINTER_UINT32(_field, _state, _field_num, _version, _info, _type) { \ + .name = (stringify(_field)), \ + .version_id = (_version), \ + .num_offset = vmstate_offset_value(_state, _field_num, uint32_t), \ + .info = &(_info), \ + .size = sizeof(_type), \ + .flags = VMS_VARRAY_UINT32 | VMS_ARRAY_OF_POINTER | VMS_POINTER, \ + .offset = vmstate_offset_pointer(_state, _field, _type), \ +} + #define VMSTATE_STRUCT_SUB_ARRAY(_field, _state, _start, _num, _version, _vmsd, _type) { \ .name = (stringify(_field)), \ .version_id = (_version), \ @@ -1196,10 +1221,8 @@ extern const VMStateInfo vmstate_info_qlist; } int vmstate_load_state(QEMUFile *f, const VMStateDescription *vmsd, - void *opaque, int version_id); + void *opaque, int version_id, Error **errp); int vmstate_save_state(QEMUFile *f, const VMStateDescription *vmsd, - void *opaque, JSONWriter *vmdesc); -int vmstate_save_state_with_err(QEMUFile *f, const VMStateDescription *vmsd, void *opaque, JSONWriter *vmdesc, Error **errp); int vmstate_save_state_v(QEMUFile *f, const VMStateDescription *vmsd, void *opaque, JSONWriter *vmdesc, |