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SubjectRe: [PATCH RFC 06/12] vdpa_sim: add struct vdpasim_device to store device properties
On Tue, Nov 17, 2020 at 11:23:05AM +0000, Stefan Hajnoczi wrote:
>On Fri, Nov 13, 2020 at 02:47:06PM +0100, Stefano Garzarella wrote:
>> Move device properties used during the entire life cycle in a new
>> structure to simplify the copy of these fields during the vdpasim
>> initialization.
>>
>> Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
>> ---
>> drivers/vdpa/vdpa_sim/vdpa_sim.h | 17 ++++++++------
>> drivers/vdpa/vdpa_sim/vdpa_sim.c | 33 ++++++++++++++--------------
>> drivers/vdpa/vdpa_sim/vdpa_sim_blk.c | 8 +++++--
>> drivers/vdpa/vdpa_sim/vdpa_sim_net.c | 9 +++++---
>> 4 files changed, 38 insertions(+), 29 deletions(-)
>>
>> diff --git a/drivers/vdpa/vdpa_sim/vdpa_sim.h b/drivers/vdpa/vdpa_sim/vdpa_sim.h
>> index 6a1267c40d5e..76e642042eb0 100644
>> --- a/drivers/vdpa/vdpa_sim/vdpa_sim.h
>> +++ b/drivers/vdpa/vdpa_sim/vdpa_sim.h
>> @@ -40,12 +40,17 @@ struct vdpasim_virtqueue {
>> irqreturn_t (*cb)(void *data);
>> };
>>
>> +struct vdpasim_device {
>> + u64 supported_features;
>> + u32 id;
>> + int nvqs;
>> +};
>> +
>> struct vdpasim_init_attr {
>> - u32 device_id;
>> - u64 features;
>> + struct vdpasim_device device;
>
>It's unclear to me what the exact purpose of struct vdpasim_device is.
>At least the name reminds me of struct device, which this is not.
>
>Should this be called just struct vdpasim_attr or struct
>vdpasim_dev_attr? In other words, the attributes that are needed even
>after intialization?

Yes, they are attributes that are needed even after intialization,
so I think vdpasim_dev_attr should be better.

I'll change it and I'll try to write a better commit message.

Thanks,
Stefano

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