[PATCH V3] cxl: Export library to support IBM XSL

christophe lombard clombard at linux.vnet.ibm.com
Thu Jun 22 22:18:18 AEST 2017


Le 22/06/2017 à 13:20, Michael Ellerman a écrit :
> Christophe Lombard <clombard at linux.vnet.ibm.com> writes:
>
>> This patch exports a in-kernel 'library' API which can be called by
>> other drivers to help interacting with an IBM XSL on a POWER9 system.
>>
>> The XSL (Translation Service Layer) is a stripped down version of the
>> PSL (Power Service Layer) used in some cards such as the Mellanox CX5.
>> Like the PSL, it implements the CAIA architecture, but has a number
>> of differences, mostly in it's implementation dependent registers.
>>
>> The XSL also uses a special DMA cxl mode, which uses a slightly
>> different init sequence for the CAPP and PHB.
>>
>> Signed-off-by: Christophe Lombard <clombard at linux.vnet.ibm.com>
> Andrew sent you a SOB for parts he wrote, so you should include that.
>
> Waiting for an ack from Fred before I merge this.
>
> cheers
>

You are right (Sorry Andrew !). I will push a new patch

Thanks



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