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Re: [Qemu-devel] [PATCH v0 2/2] pc-dimm: Make pc_existing_dimms_capacity


From: Igor Mammedov
Subject: Re: [Qemu-devel] [PATCH v0 2/2] pc-dimm: Make pc_existing_dimms_capacity global
Date: Tue, 20 Jan 2015 11:18:37 +0100

On Mon, 12 Jan 2015 09:32:34 +0530
Bharata B Rao <address@hidden> wrote:

> Move pc_existing_dimms_capacity() to pc-dimm.c since it would be needed
> by PowerPC memory hotplug code too.
> 
> Signed-off-by: Bharata B Rao <address@hidden>
> ---
>  hw/i386/pc.c             | 24 ------------------------
>  hw/mem/pc-dimm.c         | 25 +++++++++++++++++++++++++
>  include/hw/mem/pc-dimm.h |  1 +
>  3 files changed, 26 insertions(+), 24 deletions(-)
> 
> diff --git a/hw/i386/pc.c b/hw/i386/pc.c
> index 125cf0a..2ec45a4 100644
> --- a/hw/i386/pc.c
> +++ b/hw/i386/pc.c
> @@ -1552,30 +1552,6 @@ void qemu_register_pc_machine(QEMUMachine *m)
>      g_free(name);
>  }
>  
> -static int pc_existing_dimms_capacity(Object *obj, void *opaque)
> -{
> -    Error *local_err = NULL;
> -    uint64_t *size = opaque;
> -
> -    if (object_dynamic_cast(obj, TYPE_PC_DIMM)) {
> -        DeviceState *dev = DEVICE(obj);
> -
> -        if (dev->realized) {
> -            (*size) += object_property_get_int(obj, PC_DIMM_SIZE_PROP,
> -                &local_err);
> -        }
> -
> -        if (local_err) {
> -            qerror_report_err(local_err);
> -            error_free(local_err);
> -            return 1;
> -        }
> -    }
> -
> -    object_child_foreach(obj, pc_existing_dimms_capacity, opaque);
> -    return 0;
> -}
> -
>  static void pc_dimm_plug(HotplugHandler *hotplug_dev,
>                           DeviceState *dev, Error **errp)
>  {
> diff --git a/hw/mem/pc-dimm.c b/hw/mem/pc-dimm.c
> index d431834..f02ce6e 100644
> --- a/hw/mem/pc-dimm.c
> +++ b/hw/mem/pc-dimm.c
> @@ -22,6 +22,31 @@
>  #include "qemu/config-file.h"
>  #include "qapi/visitor.h"
>  #include "qemu/range.h"
> +#include "qapi/qmp/qerror.h"
> +
> +int pc_existing_dimms_capacity(Object *obj, void *opaque)
> +{
since you are making it API, could you pass Error **errp argument
and deal with error in caller?
Along with it you can make function return void.


> +    Error *local_err = NULL;
> +    uint64_t *size = opaque;
> +
> +    if (object_dynamic_cast(obj, TYPE_PC_DIMM)) {
> +        DeviceState *dev = DEVICE(obj);
> +
> +        if (dev->realized) {
> +            (*size) += object_property_get_int(obj, PC_DIMM_SIZE_PROP,
> +                &local_err);
> +        }
> +
> +        if (local_err) {
> +            qerror_report_err(local_err);
> +            error_free(local_err);
> +            return 1;
> +        }
> +    }
> +
> +    object_child_foreach(obj, pc_existing_dimms_capacity, opaque);
> +    return 0;
> +}
>  
>  int qmp_pc_dimm_device_list(Object *obj, void *opaque)
>  {
> diff --git a/include/hw/mem/pc-dimm.h b/include/hw/mem/pc-dimm.h
> index e1dcbbc..bbfa53f 100644
> --- a/include/hw/mem/pc-dimm.h
> +++ b/include/hw/mem/pc-dimm.h
> @@ -78,4 +78,5 @@ uint64_t pc_dimm_get_free_addr(uint64_t address_space_start,
>  int pc_dimm_get_free_slot(const int *hint, int max_slots, Error **errp);
>  
>  int qmp_pc_dimm_device_list(Object *obj, void *opaque);
> +int pc_existing_dimms_capacity(Object *obj, void *opaque);
>  #endif




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