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SubjectRe: [Update][PATCH] PCI: Document PCIE BUS MPS parameters
On 2013/1/24 10:02, Randy Dunlap wrote:
> On 01/23/13 17:55, Yijing Wang wrote:
>> Hi Randy,
>> Thanks for your review and comments! please refer to inlined comments below.
>>
>> On 2013/1/24 7:39, Randy Dunlap wrote:
>>> On 01/23/13 04:28, Yijing Wang wrote:
>
>>>
>>> What is (are) MRRS?
>>
>> MRRS is "Max Read Request Size" and MPS is "Max Payload Size".
>> Need use "Max Read Request Size" instead of MRRS ?
>
> Where is MRRS documented?

The description of MRRS can be found at PCIe Spec 2.0/3.0 7.8.4 Device Control Register.

>
> I would probably do it like so:
>
> Also set MRRS (Max Read Request Size) to the ....

Hmm, I will explain MPS and MRRS when they appear first time like,

pcie_bus_tune_off Disable PCIe MPS (Max Payload Size) turning and using
the BIOS-configured MPS defaults.

pcie_bus_perf ......Also set MRRS (Max Read Request Size) to the......

Thanks!
Yijing

>


--
Thanks!
Yijing



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