[PATCH v4] doc: announce changes to dma device structures

[Bruce Richardson]

On Wed, Jul 31, 2024 at 06:06:33PM +0200, Thomas Monjalon wrote:
> 31/07/2024 13:01, Thomas Monjalon:
> > 30/07/2024 19:27, Jerin Jacob:
> > > On Tue, Jul 30, 2024 at 8:25 PM Amit Prakash Shukla
> > > <amitprakashs at marvell.com> wrote:
> > > >
> > > > A new flag RTE_DMA_CAPA_QOS will be introduced to advertise dma
> > > > device's QoS capability. In order to support the parameters for this
> > > > flag, new fields will be added in rte_dma_info and rte_dma_conf
> > > > structures to get device supported priority levels and to configure the
> > > > required priority level.
> > > >
> > > > Signed-off-by: Vamsi Attunuru <vattunuru at marvell.com>
> > > > Signed-off-by: Amit Prakash Shukla <amitprakashs at marvell.com>
> > > 
> > > 
> > > Acked-by: Jerin Jacob <jerinj at marvell.com>
> > 
> > Acked-by: Thomas Monjalon <thomas at monjalon.net>
> 
> The RFC and the deprecation notices are sent a bit late.
> We cannot conclude there is consensus.
> 
> I propose to raise it to the techboard if an ABI breakage is still required for 24.11.
> As dmadev is quite new, I don't think it is big issue.
> 
No objection to changing the structures. However, for the actual
implementation we'll have to review the changes to ensure they are clear
enough to allow potential alternative implementations. For example, I
worry about just having one "QoS" flag defined - how would we manage if
different QoS schemes are implemented by various hw vendors in different
ways?

For the notice about structure changes though:
Acked-by: Bruce Richardson <bruce.richardson at intel.com>