Re: [PATCH V3 1/3] PCI: Add defines for Designated Vendor-Specific Capability

From: Randy Dunlap
Date: Wed Jul 15 2020 - 22:55:22 EST


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 <david.e.box@xxxxxxxxxxxxxxx>
> Acked-by: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
> ---
> 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 */

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.

--
~Randy