Il 25/09/2014 04:04, arei.gong...@huawei.com ha scritto:
> From: Gonglei <arei.gong...@huawei.com>
>
> The descriptions can serve as documentation in the code,
> and they can be used to provide better help. For example:
>
> $./qemu-system-x86_64 -device virtio-blk-pci,?
>
> Before this patch:
>
> 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:
>
> 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 (Slot and function number, example: 06.0)
> 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
>
> Cc: Paolo Bonzini <pbonz...@redhat.com>
> Cc: Michael S. Tsirkin <m...@redhat.com>
> Cc: Markus Armbruster <arm...@redhat.com>
> Signed-off-by: Gonglei <arei.gong...@huawei.com>
> ---
> qmp.c | 19 +++++++++++++++----
> 1 file changed, 15 insertions(+), 4 deletions(-)
>
> diff --git a/qmp.c b/qmp.c
> index c6767c4..20f501b 100644
> --- a/qmp.c
> +++ b/qmp.c
> @@ -442,7 +442,8 @@ ObjectTypeInfoList *qmp_qom_list_types(bool
> has_implements,
> */
> static DevicePropertyInfo *make_device_property_info(ObjectClass *klass,
> const char *name,
> - const char
> *default_type)
> + const char
> *default_type,
> + const char *description)
> {
> DevicePropertyInfo *info;
> Property *prop;
> @@ -465,7 +466,12 @@ static DevicePropertyInfo
> *make_device_property_info(ObjectClass *klass,
>
> info = g_malloc0(sizeof(*info));
> info->name = g_strdup(prop->name);
> - info->type = g_strdup(prop->info->legacy_name ?:
> prop->info->name);
> + if (prop->info->description) {
> + info->type = g_strdup_printf("%s (%s)", prop->info->name,
> + prop->info->description);
> + } else {
> + info->type = g_strdup(prop->info->name);
> + }
> return info;
> }
> klass = object_class_get_parent(klass);
> @@ -474,7 +480,11 @@ static DevicePropertyInfo
> *make_device_property_info(ObjectClass *klass,
> /* Not a qdev property, use the default type */
> info = g_malloc0(sizeof(*info));
> info->name = g_strdup(name);
> - info->type = g_strdup(default_type);
> + if (description) {
> + info->type = g_strdup_printf("%s (%s)", default_type, description);
Please add a new "description" field to DevicePropertyInfo, and format
it in qdev_device_help.
You can send v3 of just this patch.
Thanks,
Paolo
> + } else {
> + info->type = g_strdup(default_type);
> + }
> return info;
> }
>
> @@ -521,7 +531,8 @@ DevicePropertyInfoList *qmp_device_list_properties(const
> char *typename,
> continue;
> }
>
> - info = make_device_property_info(klass, prop->name, prop->type);
> + info = make_device_property_info(klass, prop->name, prop->type,
> + prop->description);
> if (!info) {
> continue;
> }
>
