Re: [PATCH v6 2/9] hw/core/clock-vmstate: define a vmstate entry for clock state

["Philippe Mathieu-Daudé" <philmd@redhat.com>]

On 9/4/19 2:55 PM, Damien Hedde wrote:
> Signed-off-by: Damien Hedde <damien.hedde@greensocs.com>

Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>

> ---
> This was in the previous reviewed commit. But it can't be in the
> clock.c file in order to allow linux-user builds.
> ---
>   hw/core/Makefile.objs   |  1 +
>   hw/core/clock-vmstate.c | 25 +++++++++++++++++++++++++
>   include/hw/clock.h      |  9 +++++++++
>   3 files changed, 35 insertions(+)
>   create mode 100644 hw/core/clock-vmstate.c
> 
> diff --git a/hw/core/Makefile.objs b/hw/core/Makefile.objs
> index c66a5b2c6b..8fcebf2e67 100644
> --- a/hw/core/Makefile.objs
> +++ b/hw/core/Makefile.objs
> @@ -4,6 +4,7 @@ common-obj-y += bus.o reset.o
>   common-obj-y += resettable.o
>   common-obj-$(CONFIG_SOFTMMU) += qdev-fw.o
>   common-obj-$(CONFIG_SOFTMMU) += fw-path-provider.o
> +common-obj-$(CONFIG_SOFTMMU) += clock-vmstate.o
>   # irq.o needed for qdev GPIO handling:
>   common-obj-y += irq.o
>   common-obj-y += hotplug.o
> diff --git a/hw/core/clock-vmstate.c b/hw/core/clock-vmstate.c
> new file mode 100644
> index 0000000000..c781369c15
> --- /dev/null
> +++ b/hw/core/clock-vmstate.c
> @@ -0,0 +1,25 @@
> +/*
> + * Clock migration structure
> + *
> + * Copyright GreenSocs 2019
> + *
> + * Authors:
> + *  Damien Hedde <damien.hedde@greensocs.com>
> + *
> + * 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 "migration/vmstate.h"
> +#include "hw/clock.h"
> +
> +const VMStateDescription vmstate_clockin = {
> +    .name = "clock",
> +    .version_id = 0,
> +    .minimum_version_id = 0,
> +    .fields = (VMStateField[]) {
> +        VMSTATE_UINT64(frequency, ClockIn),
> +        VMSTATE_END_OF_LIST()
> +    }
> +};
> diff --git a/include/hw/clock.h b/include/hw/clock.h
> index fd11202ba4..e7efb6ad17 100644
> --- a/include/hw/clock.h
> +++ b/include/hw/clock.h
> @@ -34,6 +34,15 @@ struct ClockOut {
>       QLIST_HEAD(, ClockIn) followers; /* list of registered clocks */
>   };
>   
> +/*
> + * vmstate description entry to be added in device vmsd.
> + */
> +extern const VMStateDescription vmstate_clockin;
> +#define VMSTATE_CLOCKIN(_field, _state) \
> +    VMSTATE_CLOCKIN_V(_field, _state, 0)
> +#define VMSTATE_CLOCKIN_V(_field, _state, _version) \
> +    VMSTATE_STRUCT_POINTER_V(_field, _state, _version, vmstate_clockin, ClockIn)
> +
>   /**
>    * clock_out_setup_canonical_path:
>    * @clk: clock
>