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Re: [Qemu-devel] [PATCH RFCv2 7/9] hmp: Handle virtio-pmem when printing


From: Dr. David Alan Gilbert
Subject: Re: [Qemu-devel] [PATCH RFCv2 7/9] hmp: Handle virtio-pmem when printing memory device infos
Date: Fri, 25 Jan 2019 17:58:19 +0000
User-agent: Mutt/1.10.1 (2018-07-13)

* David Hildenbrand (address@hidden) wrote:
> Print the memory device info just like for PCDIMM/NVDIMM.
> 
> Signed-off-by: David Hildenbrand <address@hidden>
> ---
>  hmp.c | 27 +++++++++++++++------------
>  1 file changed, 15 insertions(+), 12 deletions(-)
> 
> diff --git a/hmp.c b/hmp.c
> index 8da5fd8760..25c32e0810 100644
> --- a/hmp.c
> +++ b/hmp.c
> @@ -2553,6 +2553,7 @@ void hmp_info_memory_devices(Monitor *mon, const QDict 
> *qdict)
>      Error *err = NULL;
>      MemoryDeviceInfoList *info_list = qmp_query_memory_devices(&err);
>      MemoryDeviceInfoList *info;
> +    VirtioPMEMDeviceInfo *vpi;
>      MemoryDeviceInfo *value;
>      PCDIMMDeviceInfo *di;
>  
> @@ -2562,19 +2563,9 @@ void hmp_info_memory_devices(Monitor *mon, const QDict 
> *qdict)
>          if (value) {
>              switch (value->type) {
>              case MEMORY_DEVICE_INFO_KIND_DIMM:
> -                di = value->u.dimm.data;
> -                break;
> -
>              case MEMORY_DEVICE_INFO_KIND_NVDIMM:
> -                di = value->u.nvdimm.data;
> -                break;
> -
> -            default:
> -                di = NULL;
> -                break;
> -            }
> -
> -            if (di) {
> +                di = value->type == MEMORY_DEVICE_INFO_KIND_DIMM ?
> +                     value->u.dimm.data : value->u.nvdimm.data;
>                  monitor_printf(mon, "Memory device [%s]: \"%s\"\n",
>                                 MemoryDeviceInfoKind_str(value->type),
>                                 di->id ? di->id : "");
> @@ -2587,6 +2578,18 @@ void hmp_info_memory_devices(Monitor *mon, const QDict 
> *qdict)
>                                 di->hotplugged ? "true" : "false");
>                  monitor_printf(mon, "  hotpluggable: %s\n",
>                                 di->hotpluggable ? "true" : "false");
> +                break;
> +            case MEMORY_DEVICE_INFO_KIND_VIRTIO_PMEM:
> +                vpi = value->u.virtio_pmem.data;
> +                monitor_printf(mon, "Memory device [%s]: \"%s\"\n",
> +                               MemoryDeviceInfoKind_str(value->type),
> +                               vpi->id ? vpi->id : "");
> +                monitor_printf(mon, "  memaddr: 0x%" PRIx64 "\n", 
> vpi->memaddr);
> +                monitor_printf(mon, "  size: %" PRIu64 "\n", vpi->size);
> +                monitor_printf(mon, "  memdev: %s\n", vpi->memdev);
> +                break;
> +            default:
> +                g_assert_not_reached();


Although I'd prefer if that assert was replaced by a print
saying it was an unknown type.

Reviewed-by: Dr. David Alan Gilbert <address@hidden>

>              }
>          }
>      }
> -- 
> 2.17.2
> 
--
Dr. David Alan Gilbert / address@hidden / Manchester, UK



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