From mboxrd@z Thu Jan 1 00:00:00 1970 From: "David E. Box" Subject: Re: [PATCH V3 1/3] PCI: Add defines for Designated Vendor-Specific Capability Date: Thu, 16 Jul 2020 11:31:25 -0700 Message-ID: References: <20200508021844.6911-1-david.e.box@linux.intel.com> <20200714062323.19990-2-david.e.box@linux.intel.com> <3f490460-62f8-8b49-0735-ad29653bfbc0@infradead.org> Reply-To: david.e.box@linux.intel.com Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org To: Alexander Duyck , Randy Dunlap , lee.jones@linaro.org, dvhart@infradead.org, andy@infradead.org, bhelgaas@google.com Cc: linux-kernel@vger.kernel.org, platform-driver-x86@vger.kernel.org, linux-pci@vger.kernel.org List-Id: platform-driver-x86.vger.kernel.org On Thu, 2020-07-16 at 10:18 -0700, Alexander Duyck wrote: > > On 7/15/2020 7:55 PM, Randy Dunlap wrote: > > On 7/13/20 11:23 PM, David E. Box wrote: > > > Add PCIe DVSEC extended capability ID and defines for the header > > > offsets. > > > Defined in PCIe r5.0, sec 7.9.6. > > > > > > Signed-off-by: David E. Box > > > Acked-by: Bjorn Helgaas > > > --- > > > 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..09daa9f07b6b 100644 > > > --- a/include/uapi/linux/pci_regs.h > > > +++ b/include/uapi/linux/pci_regs.h > > > @@ -720,6 +720,7 @@ > > > +#define PCI_EXT_CAP_ID_DVSEC 0x23 /* Designated Vendor- > > > Specific */ > > > @@ -1062,6 +1063,10 @@ > > > +/* Designated Vendor-Specific (DVSEC, PCI_EXT_CAP_ID_DVSEC) */ > > > +#define PCI_DVSEC_HEADER1 0x4 /* Vendor-Specific > > > Header1 */ > > > +#define PCI_DVSEC_HEADER2 0x8 /* Vendor-Specific > > > Header2 */ These comments I'll fix to say "Designated Vendor-Specific" > > > > Just a little comment: It would make more sense to me to > > s/DVSEC/DVSPEC/g. > > > > But then I don't have the PCIe documentation. > > Arguably some of the confusion might be from the patch title. DVSEC > is > acronym for Designated Vendor-Specific Extended Capability if I > recall > correctly. It would probably be best to call that out since the > extended > implies it lives in the config space accessible via the memory > mapped > config. I'll change the patch title as well, but agree DVSEC is better as it's consistent with the spec. Thanks David