Re: [dpdk-dev] [PATCH v2 1/2] vhost: support inflight share memory protocol feature

[Tiwei Bie <tiwei.bie@intel.com>]

On Thu, Jul 11, 2019 at 10:09:26AM +0800, Yu, Jin wrote:
[...]
> > > +int __rte_experimental
> > > +rte_vhost_set_inflight_desc_split(int vid, uint16_t vring_idx,
> > > +		uint16_t idx);
> > [...]
> > > +int __rte_experimental
> > > +rte_vhost_clr_inflight_desc_split(int vid, uint16_t vring_idx,
> > > +		uint16_t last_used_idx, uint16_t idx);
> > [...]
> > > +int __rte_experimental
> > > +rte_vhost_set_last_inflight_io_split(int vid, uint16_t vring_idx,
> > > +		uint16_t idx);
> > 
> > What will be different in the function prototype when we design above three
> > APIs for packed ring?
> The whole process is quite different as there are no avail ring and userd ring.

I mean what will be different in the return value and parameters?
Could you show us the expected function prototypes (i.e. just the
function declarations) for packed ring?