Re: [PATCH V8 1/5] PCI: Add defines for Designated Vendor-Specific Extended Capability

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On Tue, Oct 06, 2020 at 03:45:54PM -0700, David E. Box wrote:
> Hi Bjorn,
> 
> This patch has been acked and unchanged for weeks. Is it possible to
> get this pulled into next? We have SIOV and CXL related work that is
> using these definitions. Thanks.

I acked it because I expected you to merge it along with the rest of
the series.

I guess I could merge this patch via the PCI tree if you really want,
but that ends up being a hassle because we have to worry about which
order things get merged to Linus' tree.  Better if the whole series is
merged via the same tree.

> On Fri, 2020-10-02 at 18:31 -0700, David E. Box wrote:
> > Add PCIe Designated Vendor-Specific Extended Capability (DVSEC) and
> > defines
> > for the header offsets. Defined in PCIe r5.0, sec 7.9.6.
> > 
> > Signed-off-by: David E. Box <david.e.box@xxxxxxxxxxxxxxx>
> > Acked-by: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
> > Reviewed-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>
> > ---
> >  include/uapi/linux/pci_regs.h | 5 +++++
> >  1 file changed, 5 insertions(+)
> > 
> > diff --git a/include/uapi/linux/pci_regs.h
> > b/include/uapi/linux/pci_regs.h
> > index f9701410d3b5..beafeee39e44 100644
> > --- a/include/uapi/linux/pci_regs.h
> > +++ b/include/uapi/linux/pci_regs.h
> > @@ -720,6 +720,7 @@
> >  #define PCI_EXT_CAP_ID_DPC	0x1D	/* Downstream Port
> > Containment */
> >  #define PCI_EXT_CAP_ID_L1SS	0x1E	/* L1 PM Substates */
> >  #define PCI_EXT_CAP_ID_PTM	0x1F	/* Precision Time Measurement
> > */
> > +#define PCI_EXT_CAP_ID_DVSEC	0x23	/* Designated Vendor-Specific 
> > */
> >  #define PCI_EXT_CAP_ID_DLF	0x25	/* Data Link Feature */
> >  #define PCI_EXT_CAP_ID_PL_16GT	0x26	/* Physical Layer
> > 16.0 GT/s */
> >  #define PCI_EXT_CAP_ID_MAX	PCI_EXT_CAP_ID_PL_16GT
> > @@ -1062,6 +1063,10 @@
> >  #define  PCI_L1SS_CTL1_LTR_L12_TH_SCALE	0xe0000000  /*
> > LTR_L1.2_THRESHOLD_Scale */
> >  #define PCI_L1SS_CTL2		0x0c	/* Control 2 Register
> > */
> >  
> > +/* Designated Vendor-Specific (DVSEC, PCI_EXT_CAP_ID_DVSEC) */
> > +#define PCI_DVSEC_HEADER1		0x4 /* Designated Vendor-
> > Specific Header1 */
> > +#define PCI_DVSEC_HEADER2		0x8 /* Designated Vendor-
> > Specific Header2 */
> > +
> >  /* Data Link Feature */
> >  #define PCI_DLF_CAP		0x04	/* Capabilities Register */
> >  #define  PCI_DLF_EXCHANGE_ENABLE	0x80000000  /* Data Link
> > Feature Exchange Enable */
> 



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