[virtio-dev] Re: [PATCH 2/2] transport-pci: Improve queue msix vector register desc

["Michael S. Tsirkin" <mst@redhat.com>]

On Tue, Apr 11, 2023 at 10:42:20PM +0300, Parav Pandit wrote:
> queue_msix_vector register is for receiving interrupts from the device
> for the virtqueue.
> 
> "for MSI-X" is confusing term.
> 
> Also it is the register that driver "writes" to, similar to
> many other registers such as queue_desc, queue_driver etc.
> 
> Hence, replace the verb from use to write.
> 
> Signed-off-by: Parav Pandit <parav@nvidia.com>
> Reviewed-by: Max Gurtovoy <mgurtovoy@nvidia.com>
> ---
> changelog:
> v0->v1:
> - added 'here'
> - dropped 'receiving'
> ---
>  transport-pci.tex | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/transport-pci.tex b/transport-pci.tex
> index cb9fadd..00669b5 100644
> --- a/transport-pci.tex
> +++ b/transport-pci.tex
> @@ -367,7 +367,7 @@ \subsubsection{Common configuration structure layout}\label{sec:Virtio Transport
>          A 0 means the queue is unavailable.
>  
>  \item[\field{queue_msix_vector}]
> -        The driver uses this to specify the queue vector for MSI-X.
> +        The driver writes an MSI-X vector number here for virtqueue interrupts.

Here it's *the* specific queue not just some queue. And in fact
we call them virtqueue notifications, not interrupts elsewhere.
So how about:

        Used by the driver to set the MSI-X vector number for the virtqueue notifications.


>  \item[\field{queue_enable}]
>          The driver uses this to selectively prevent the device from executing requests from this virtqueue.
> -- 
> 2.26.2


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