Re: [PATCH V4 02/12] PCI: Add TPH related register definition

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On 9/5/24 11:41 AM, Bjorn Helgaas wrote:
On Thu, Sep 05, 2024 at 10:08:33AM -0500, Wei Huang wrote:
On 9/4/24 14:52, Bjorn Helgaas wrote:
I think these modes should all include "ST" to clearly delineate
Steering Tags from the Processing Hints.  E.g.,

   PCI_TPH_CAP_ST_NO_ST       or maybe PCI_TPH_CAP_ST_NONE

Can I keep "NO_ST" instead of switching over to "ST_NONE"? First, it
matches with PCIe spec. Secondly, IMO "ST_NONE" implies no ST support at
all.

Sure.  Does PCI_TPH_CAP_ST_NO_ST work for you?  That follows the same
PCI_TPH_CAP_ST_* pattern as below.

So I tweaked a bit in V5 to make them look cleaner: instead of ST_NO_ST, V5 has ST_NS. Similar pattern applies to other modes:

PCI_TPH_CAP_NO_ST =>    PCI_TPH_CAP_ST_NS
PCI_TPH_CAP_INT_VEC =>  PCI_TPH_CAP_ST_IV
PCI_TPH_CAP_DEV_SPEC => PCI_TPH_CAP_ST_DS

Ctrl register has similar changes.




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