Re: [PATCH v6 cxl2.0-v6-doe 1/6] standard-headers/linux/pci_regs: PCI header from Linux kernel

[Jonathan Cameron]

On Thu, 10 Jun 2021 09:15:43 -0400
Chris Browy <cbrowy@avery-design.com> wrote:

> From: hchkuo <hchkuo@avery-design.com.tw>
> 
> Linux standard header for the registers of PCI Data Object Exchange
> (DOE). This header might be generated via script. The DOE feature
> should be added in the future Linux release so this patch can be
> removed then.
> 
> Signed-off-by: hchkuo <hchkuo@avery-design.com.tw>
> Signed-off-by: Chris Browy <cbrowy@avery-design.com>
Hopefully we'll get some traction on the kernel support next cycle as doesn't
look like we'll get the reviews to move it forward this time.

This is indeed part of what we are proposing there so FWIW

Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

> ---
>  include/standard-headers/linux/pci_regs.h | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/include/standard-headers/linux/pci_regs.h 
> b/include/standard-headers/linux/pci_regs.h
> index e709ae8235..2a8df63e11 100644
> --- a/include/standard-headers/linux/pci_regs.h
> +++ b/include/standard-headers/linux/pci_regs.h
> @@ -730,7 +730,8 @@
>  #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
> +#define PCI_EXT_CAP_ID_DOE   0x2E    /* Data Object Exchange */
> +#define PCI_EXT_CAP_ID_MAX   PCI_EXT_CAP_ID_DOE
>  
>  #define PCI_EXT_CAP_DSN_SIZEOF       12
>  #define PCI_EXT_CAP_MCAST_ENDPOINT_SIZEOF 40