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[1/6] virtio: Add bool to VirtQueueElement

Message ID 20240506150428.1203387-2-jonah.palmer@oracle.com
State New
Headers show
Series virtio,vhost: Add VIRTIO_F_IN_ORDER support | expand

Commit Message

Jonah Palmer May 6, 2024, 3:04 p.m. UTC
Add the boolean 'filled' member to the VirtQueueElement structure. The
use of this boolean will signify if the element has been written to the
used / descriptor ring or not. This boolean is used to support the
VIRTIO_F_IN_ORDER feature.

Tested-by: Lei Yang <leiyang@redhat.com>
Signed-off-by: Jonah Palmer <jonah.palmer@oracle.com>
---
 include/hw/virtio/virtio.h | 1 +
 1 file changed, 1 insertion(+)

Comments

Eugenio Perez Martin May 9, 2024, 12:32 p.m. UTC | #1
On Mon, May 6, 2024 at 5:06 PM Jonah Palmer <jonah.palmer@oracle.com> wrote:
>
> Add the boolean 'filled' member to the VirtQueueElement structure. The
> use of this boolean will signify if the element has been written to the
> used / descriptor ring or not. This boolean is used to support the
> VIRTIO_F_IN_ORDER feature.
>
> Tested-by: Lei Yang <leiyang@redhat.com>
> Signed-off-by: Jonah Palmer <jonah.palmer@oracle.com>
> ---
>  include/hw/virtio/virtio.h | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/include/hw/virtio/virtio.h b/include/hw/virtio/virtio.h
> index 7d5ffdc145..9ed9c3763c 100644
> --- a/include/hw/virtio/virtio.h
> +++ b/include/hw/virtio/virtio.h
> @@ -69,6 +69,7 @@ typedef struct VirtQueueElement
>      unsigned int ndescs;
>      unsigned int out_num;
>      unsigned int in_num;
> +    bool filled;

in_order_filled? I cannot come with a good name for this. Maybe we can
add a comment on top of the variable so we know what it is used for?

>      hwaddr *in_addr;
>      hwaddr *out_addr;
>      struct iovec *in_sg;
> --
> 2.39.3
>
Jonah Palmer May 10, 2024, 10:26 a.m. UTC | #2
On 5/9/24 8:32 AM, Eugenio Perez Martin wrote:
> On Mon, May 6, 2024 at 5:06 PM Jonah Palmer <jonah.palmer@oracle.com> wrote:
>>
>> Add the boolean 'filled' member to the VirtQueueElement structure. The
>> use of this boolean will signify if the element has been written to the
>> used / descriptor ring or not. This boolean is used to support the
>> VIRTIO_F_IN_ORDER feature.
>>
>> Tested-by: Lei Yang <leiyang@redhat.com>
>> Signed-off-by: Jonah Palmer <jonah.palmer@oracle.com>
>> ---
>>   include/hw/virtio/virtio.h | 1 +
>>   1 file changed, 1 insertion(+)
>>
>> diff --git a/include/hw/virtio/virtio.h b/include/hw/virtio/virtio.h
>> index 7d5ffdc145..9ed9c3763c 100644
>> --- a/include/hw/virtio/virtio.h
>> +++ b/include/hw/virtio/virtio.h
>> @@ -69,6 +69,7 @@ typedef struct VirtQueueElement
>>       unsigned int ndescs;
>>       unsigned int out_num;
>>       unsigned int in_num;
>> +    bool filled;
> 
> in_order_filled? I cannot come with a good name for this. Maybe we can
> add a comment on top of the variable so we know what it is used for?
> 

Will do! I can change the name to be more obvious as well.

>>       hwaddr *in_addr;
>>       hwaddr *out_addr;
>>       struct iovec *in_sg;
>> --
>> 2.39.3
>>
>
diff mbox series

Patch

diff --git a/include/hw/virtio/virtio.h b/include/hw/virtio/virtio.h
index 7d5ffdc145..9ed9c3763c 100644
--- a/include/hw/virtio/virtio.h
+++ b/include/hw/virtio/virtio.h
@@ -69,6 +69,7 @@  typedef struct VirtQueueElement
     unsigned int ndescs;
     unsigned int out_num;
     unsigned int in_num;
+    bool filled;
     hwaddr *in_addr;
     hwaddr *out_addr;
     struct iovec *in_sg;