On 08/02/2017 12:22 PM, Sinan Kaya wrote:
> On 8/2/2017 2:41 PM, Dave Jiang wrote:
>> if (queue_mode == PMEM_Q_MQ) {
>> + chan = dma_find_channel(DMA_MEMCPY);
>> + if (!chan) {
>> + queue_mode = PMEM_Q_BIO;
>> + dev_warn(dev, "Forced back to PMEM_Q_BIO, no DMA\n");
>> + }
>
> We can't expect all MEMCPY capable hardware to support this feature, right?
>
> Do we need a new API / new function, or new capability?
Hmmm...you are right. I wonder if we need something like DMA_SG cap....
>
>> + }
>
>
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