Just a reminder, after our further discussion in the V1 thread, 
this patch is still what I propose, no updates needed.

Markus, I think Peter is looking for your blessing on the new
file name: include/migration/client-options.h.

- Steve

On 2/26/2024 5:16 PM, Steve Sistare wrote:
> A small number of migration options are accessed by migration clients,
> but to see them clients must include all of options.h, which is mostly
> for migration core code.  migrate_mode() in particular will be needed by
> multiple clients.
> 
> Refactor the option declarations so clients can see the necessary few via
> misc.h, which already exports a portion of the client API.
> 
> Signed-off-by: Steve Sistare <steven.sist...@oracle.com>
> ---
> Changes in V2:
>   * renamed options-pub.h to client-options.h
> ---
> ---
>  hw/vfio/migration.c                |  1 -
>  hw/virtio/virtio-balloon.c         |  1 -
>  include/migration/client-options.h | 24 ++++++++++++++++++++++++
>  include/migration/misc.h           |  1 +
>  migration/options.h                |  6 +-----
>  system/dirtylimit.c                |  1 -
>  6 files changed, 26 insertions(+), 8 deletions(-)
>  create mode 100644 include/migration/client-options.h
> 
> diff --git a/hw/vfio/migration.c b/hw/vfio/migration.c
> index 50140ed..5d4a23c 100644
> --- a/hw/vfio/migration.c
> +++ b/hw/vfio/migration.c
> @@ -18,7 +18,6 @@
>  #include "sysemu/runstate.h"
>  #include "hw/vfio/vfio-common.h"
>  #include "migration/migration.h"
> -#include "migration/options.h"
>  #include "migration/savevm.h"
>  #include "migration/vmstate.h"
>  #include "migration/qemu-file.h"
> diff --git a/hw/virtio/virtio-balloon.c b/hw/virtio/virtio-balloon.c
> index 89f853f..a59ff17 100644
> --- a/hw/virtio/virtio-balloon.c
> +++ b/hw/virtio/virtio-balloon.c
> @@ -32,7 +32,6 @@
>  #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"
> diff --git a/include/migration/client-options.h 
> b/include/migration/client-options.h
> new file mode 100644
> index 0000000..887fea1
> --- /dev/null
> +++ b/include/migration/client-options.h
> @@ -0,0 +1,24 @@
> +/*
> + * QEMU public migration capabilities
> + *
> + * Copyright (c) 2012-2023 Red Hat Inc
> + *
> + * This work is licensed under the terms of the GNU GPL, version 2 or later.
> + * See the COPYING file in the top-level directory.
> + */
> +
> +#ifndef QEMU_MIGRATION_CLIENT_OPTIONS_H
> +#define QEMU_MIGRATION_CLIENT_OPTIONS_H
> +
> +/* capabilities */
> +
> +bool migrate_background_snapshot(void);
> +bool migrate_dirty_limit(void);
> +bool migrate_postcopy_ram(void);
> +bool migrate_switchover_ack(void);
> +
> +/* parameters */
> +
> +MigMode migrate_mode(void);
> +
> +#endif
> diff --git a/include/migration/misc.h b/include/migration/misc.h
> index 5d1aa59..4c226a4 100644
> --- a/include/migration/misc.h
> +++ b/include/migration/misc.h
> @@ -17,6 +17,7 @@
>  #include "qemu/notify.h"
>  #include "qapi/qapi-types-migration.h"
>  #include "qapi/qapi-types-net.h"
> +#include "migration/client-options.h"
>  
>  /* migration/ram.c */
>  
> diff --git a/migration/options.h b/migration/options.h
> index 246c160..964ebdd 100644
> --- a/migration/options.h
> +++ b/migration/options.h
> @@ -16,6 +16,7 @@
>  
>  #include "hw/qdev-properties.h"
>  #include "hw/qdev-properties-system.h"
> +#include "migration/client-options.h"
>  
>  /* migration properties */
>  
> @@ -24,12 +25,10 @@ extern Property migration_properties[];
>  /* capabilities */
>  
>  bool migrate_auto_converge(void);
> -bool migrate_background_snapshot(void);
>  bool migrate_block(void);
>  bool migrate_colo(void);
>  bool migrate_compress(void);
>  bool migrate_dirty_bitmaps(void);
> -bool migrate_dirty_limit(void);
>  bool migrate_events(void);
>  bool migrate_ignore_shared(void);
>  bool migrate_late_block_activate(void);
> @@ -37,11 +36,9 @@ bool migrate_multifd(void);
>  bool migrate_pause_before_switchover(void);
>  bool migrate_postcopy_blocktime(void);
>  bool migrate_postcopy_preempt(void);
> -bool migrate_postcopy_ram(void);
>  bool migrate_rdma_pin_all(void);
>  bool migrate_release_ram(void);
>  bool migrate_return_path(void);
> -bool migrate_switchover_ack(void);
>  bool migrate_validate_uuid(void);
>  bool migrate_xbzrle(void);
>  bool migrate_zero_blocks(void);
> @@ -83,7 +80,6 @@ uint8_t migrate_max_cpu_throttle(void);
>  uint64_t migrate_max_bandwidth(void);
>  uint64_t migrate_avail_switchover_bandwidth(void);
>  uint64_t migrate_max_postcopy_bandwidth(void);
> -MigMode migrate_mode(void);
>  int migrate_multifd_channels(void);
>  MultiFDCompression migrate_multifd_compression(void);
>  int migrate_multifd_zlib_level(void);
> diff --git a/system/dirtylimit.c b/system/dirtylimit.c
> index b5607eb..774ff44 100644
> --- a/system/dirtylimit.c
> +++ b/system/dirtylimit.c
> @@ -26,7 +26,6 @@
>  #include "trace.h"
>  #include "migration/misc.h"
>  #include "migration/migration.h"
> -#include "migration/options.h"
>  
>  /*
>   * Dirtylimit stop working if dirty page rate error

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