On Tue, Jul 05, 2016 at 12:02:41PM +0200, Jan M?dala wrote:
> Bruce,
>
> Here's explanation of readless communication (on behalf of Alex):
>
> > "readless" refers to ability to read ENA registers without actually
> > issuing read request from host (x86).
> > Instead, host programs 2 registers on
Bruce,
Here's explanation of readless communication (on behalf of Alex):
> "readless" refers to ability to read ENA registers without actually
> issuing read request from host (x86).
> Instead, host programs 2 registers on device that trigger DMA from device
> to host and report register value.
On Thu, Jun 30, 2016 at 05:04:56PM +0200, Jan Medala wrote:
> Depending on HW revision readless communcation between host and device
> may be unavailable.
> In that case prevent PMD of seting up readless communication mechanism.
>
The idea of readless communication is a strange one. Can you
Depending on HW revision readless communcation between host and device
may be unavailable.
In that case prevent PMD of seting up readless communication mechanism.
Signed-off-by: Alexander Matushevsky
Signed-off-by: Jakub Palider
Signed-off-by: Jan Medala
---
drivers/net/ena/ena_ethdev.c | 12
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