On Thu, Apr 20, 2023 at 10:51:57PM +0300, Parav Pandit wrote:
> config_msix_vector is the register that holds the MSI-X vector number
> for receiving configuration change related interrupts.
>
> It is not "for MSI-X".
>
> Hence, replace the confusing text with appropriate one.
>
> Reviewed-by: Max Gurtovoy <[email protected]>
> Signed-off-by: Parav Pandit <[email protected]>
it's unfortunate that the pci spec does not have a standard term
for msi-x table entry.
> ---
> 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 1507c69..cf2c54d 100644
> --- a/transport-pci.tex
> +++ b/transport-pci.tex
> @@ -343,7 +343,8 @@ \subsubsection{Common configuration structure
> layout}\label{sec:Virtio Transport
> Driver Feature Bits selected by \field{driver_feature_select}.
>
> \item[\field{config_msix_vector}]
> - The driver sets the Configuration Vector for MSI-X.
> + The driver writes the MSI-X table entry index in this field for
> + Configuration change notification interrupts.
Urm not exactly. there is also a special value of 0xffff.
I feel this here is just a high level description.
how about
Used by the driver to set the MSI-X vector for Configuration change
notification interrupts.
pci spec also calls the entry "the vector" so I feel it's ok.
> \item[\field{num_queues}]
> The device specifies the maximum number of virtqueues supported here.
> --
> 2.26.2
>
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