Re: [PATCH] firmware: arm_scmi: Make scmi core independent of transport type

Viresh Kumar
2019-12-11T02:43:46Z

On 10-12-19, 18:46, Sudeep Holla wrote:
> May be to some/small extent.
>
> 1. max_rx_timeout_ms is firmware dependent, maximum time it expects to
> complete a synchronous request or acknowledge async request(worst case value).
> 2. max_msg_size is maximum size of the buffer we need to allocate, mostly
> based on the specification and we don't have any more that 0x80. But
> the custom/vendor specific protocols may wary and hence I thought of
> keeping it configurable for platforms.
> 3. max_msg is the maximum number of messages the transport can support.
> This is currently based on the mailbox layer. For SMC/HVC we can have
> upto nr_cpus, something different for spci/optee. We must be able to
> make it transport independent if required.
>
> This is mainly used to pre-allocate number of (tx/rx) buffers.

So we can only move max_msg to mailbox file and read it along with ops, right ?

--
viresh