Messages in this thread | | | Date | Thu, 24 Jan 2013 10:20:47 +0800 | From | Yijing Wang <> | Subject | Re: [Update][PATCH] PCI: Document PCIE BUS MPS parameters |
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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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