Re: [PATCH 14/16] switchtec_ntb: implement scratchpad registers

2017-06-29 Thread Logan Gunthorpe
On 6/29/2017 12:11 PM, Allen Hubbe wrote: This could get in the way of letting the driver support more than two ports later on. Is there already a plan to change this to support more than two ports? Well, as I mentioned this patchset is only to support 2 ports. Future work will expand this

Re: [PATCH 14/16] switchtec_ntb: implement scratchpad registers

2017-06-29 Thread Logan Gunthorpe
On 6/29/2017 12:11 PM, Allen Hubbe wrote: This could get in the way of letting the driver support more than two ports later on. Is there already a plan to change this to support more than two ports? Well, as I mentioned this patchset is only to support 2 ports. Future work will expand this

RE: [PATCH 14/16] switchtec_ntb: implement scratchpad registers

2017-06-29 Thread Allen Hubbe
From: Logan Gunthorpe > Seeing there is no dedicated hardware for this, we simply add > these as entries in the shared memory window. Thus, we could support > any number of them but 128 seems like enough, for now. Scratchpads are not natively supported by this hardware, - but the hardware does

RE: [PATCH 14/16] switchtec_ntb: implement scratchpad registers

2017-06-29 Thread Allen Hubbe
From: Logan Gunthorpe > Seeing there is no dedicated hardware for this, we simply add > these as entries in the shared memory window. Thus, we could support > any number of them but 128 seems like enough, for now. Scratchpads are not natively supported by this hardware, - but the hardware does