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

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

On Thu, Apr 20, 2023 at 10:51:58PM +0300, Parav Pandit wrote:
> queue_msix_vector register is for receiving virtqueue notification
> 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:
> v1->v2:
> - rewrote to indicate MSI-X table entry index
> v0->v1:
> - added 'here'
> - dropped 'receiving'
> ---
>  transport-pci.tex | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/transport-pci.tex b/transport-pci.tex
> index cf2c54d..afa082f 100644
> --- a/transport-pci.tex
> +++ b/transport-pci.tex
> @@ -367,7 +367,8 @@ \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 the MSI-X table entry index in this field for
> +        virtqueue notification interrupts.

same comment here

>  \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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