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Date: Tue, 23 Sep 2014 19:03:54 +0200
From: Paolo Bonzini <pbonzini@redhat.com>
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Subject: Re: [Qemu-devel] [PATCH 0/7] add description field in
 ObjectProperty and PropertyInfo struct
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To: arei.gonglei@huawei.com, qemu-devel@nongnu.org
Cc: weidong.huang@huawei.com, stefanha@redhat.com, mst@redhat.com, luonengjun@huawei.com, peter.huangpeng@huawei.com, armbru@redhat.com, aliguori@amazon.com, lcapitulino@redhat.com, afaerber@suse.de

Il 23/09/2014 15:08, arei.gonglei@huawei.com ha scritto:
> From: Gonglei <arei.gonglei@huawei.com>
> 
> PATCH 1 and PATCH 2 are bugfixes. PATCH 3~7 add a description
> field in both ObjectProperty and PropertyInfo struct.
> The descriptions can serve as documentation in the code,
> and they can be used to provide better help. For example:
> 
> Before this patch series:
> 
> $./qemu-system-x86_64 -device virtio-blk-pci,?
> 
> virtio-blk-pci.iothread=link<iothread>
> virtio-blk-pci.x-data-plane=bool
> virtio-blk-pci.scsi=bool
> virtio-blk-pci.config-wce=bool
> virtio-blk-pci.serial=str
> virtio-blk-pci.secs=uint32
> virtio-blk-pci.heads=uint32
> virtio-blk-pci.cyls=uint32
> virtio-blk-pci.discard_granularity=uint32
> virtio-blk-pci.bootindex=int32
> virtio-blk-pci.opt_io_size=uint32
> virtio-blk-pci.min_io_size=uint16
> virtio-blk-pci.physical_block_size=uint16
> virtio-blk-pci.logical_block_size=uint16
> virtio-blk-pci.drive=str
> virtio-blk-pci.virtio-backend=child<virtio-blk-device>
> virtio-blk-pci.command_serr_enable=on/off
> virtio-blk-pci.multifunction=on/off
> virtio-blk-pci.rombar=uint32
> virtio-blk-pci.romfile=str
> virtio-blk-pci.addr=pci-devfn
> virtio-blk-pci.event_idx=on/off
> virtio-blk-pci.indirect_desc=on/off
> virtio-blk-pci.vectors=uint32
> virtio-blk-pci.ioeventfd=on/off
> virtio-blk-pci.class=uint32
> 
> After:
> 
> $./qemu-system-x86_64 -device virtio-blk-pci,?
> 
> virtio-blk-pci.iothread=link<iothread>
> virtio-blk-pci.x-data-plane=bool (on/off)
> virtio-blk-pci.scsi=bool (on/off)
> virtio-blk-pci.config-wce=bool (on/off)
> virtio-blk-pci.serial=str
> virtio-blk-pci.secs=uint32
> virtio-blk-pci.heads=uint32
> virtio-blk-pci.cyls=uint32
> virtio-blk-pci.discard_granularity=uint32
> virtio-blk-pci.bootindex=int32
> virtio-blk-pci.opt_io_size=uint32
> virtio-blk-pci.min_io_size=uint16
> virtio-blk-pci.physical_block_size=uint16 (A power of two between 512 and 32768)
> virtio-blk-pci.logical_block_size=uint16 (A power of two between 512 and 32768)
> virtio-blk-pci.drive=str (ID of a drive to use as a backend)
> virtio-blk-pci.virtio-backend=child<virtio-blk-device>
> virtio-blk-pci.command_serr_enable=bool (on/off)
> virtio-blk-pci.multifunction=bool (on/off)
> virtio-blk-pci.rombar=uint32
> virtio-blk-pci.romfile=str
> virtio-blk-pci.addr=int32 (The slot number of a pci device)
> virtio-blk-pci.event_idx=bool (on/off)
> virtio-blk-pci.indirect_desc=bool (on/off)
> virtio-blk-pci.vectors=uint32
> virtio-blk-pci.ioeventfd=bool (on/off)
> virtio-blk-pci.class=uint32
> 
> Gonglei (7):
>   qom: add error handler for object_property_print()
>   qom: add error handler for object alias property
>   qdev: add description field in PropertyInfo struct
>   qom: add description field in ObjectProperty struct
>   qdev: set the object property's description to the qdev property's.
>   qmp: print descriptions of object properties
>   qdev: drop legacy_name from qdev properties
> 
>  hw/core/qdev-properties-system.c |  8 ++++----
>  hw/core/qdev-properties.c        | 12 ++++++------
>  hw/core/qdev.c                   |  3 +++
>  include/hw/qdev-core.h           |  2 +-
>  include/qom/object.h             | 15 +++++++++++++++
>  qmp.c                            | 19 +++++++++++++++----
>  qom/object.c                     | 33 ++++++++++++++++++++++++++++++---
>  target-ppc/translate_init.c      |  2 +-
>  8 files changed, 75 insertions(+), 19 deletions(-)
> 

Just one comment on patch 5.  The description can be improved, I can do
it tomorrow.

Thanks!

Paolo