> +#define iowrite64be(v,p) iowrite32(cpu_to_be64(v), (p))
Logan, thanks for taking this cleanup on. I think this should be iowrite64 not
iowrite32?
Stephen
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On Fri, January 6, 2017 4:10 pm, Logan Gunthorpe wrote:
>
>
> On 06/01/17 11:26 AM, Jason Gunthorpe wrote:
>
>
>> Make a generic API for all of this and you'd have my vote..
>>
>>
>> IMHO, you must support basic pinning semantics - that is necessary to
>> support generic short lived DMA (eg filesys
>>> I've already recommended that iopmem not be a block device and
>>> instead be a device-dax instance. I also don't think it should claim
>>> the PCI ID, rather the driver that wants to map one of its bars this
>>> way can register the memory region with the device-dax core.
>>>
>>> I'm not sure
Hi All
This has been a great thread (thanks to Alex for kicking it off) and I
wanted to jump in and maybe try and put some summary around the
discussion. I also wanted to propose we include this as a topic for LFS/MM
because I think we need more discussion on the best way to add this
functionality
>>
>> The NVMe fabrics stuff could probably make use of this. It's an
>> in-kernel system to allow remote access to an NVMe device over RDMA. So
>> they ought to be able to optimize their transfers by DMAing directly to
>> the NVMe's CMB -- no userspace interface would be required but there
>> wou
