On 3/12/2018 9:55 PM, Sinan Kaya wrote:
> On 3/12/2018 3:35 PM, Logan Gunthorpe wrote:
>> -if (nvmeq->sq_cmds_io)
>
> I think you should keep the code as it is for the case where
> (!nvmeq->sq_cmds_is_io && nvmeq->sq_cmds_io)
Never mind. I misunderstood the code.
>
> You are changing the b
On 3/12/2018 3:35 PM, Logan Gunthorpe wrote:
> - if (nvmeq->sq_cmds_io)
I think you should keep the code as it is for the case where
(!nvmeq->sq_cmds_is_io && nvmeq->sq_cmds_io)
You are changing the behavior for NVMe drives with CMB buffers.
You can change the if statement here with the state
Register the CMB buffer as p2pmem and use the appropriate allocation
functions to create and destroy the IO SQ.
If the CMB supports WDS and RDS, publish it for use as P2P memory
by other devices.
Signed-off-by: Logan Gunthorpe
---
drivers/nvme/host/pci.c | 75 +++
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