Re: [PATCH v4 cxl-2.0-doe 3/3] PCIe standard header for DOE

[Jonathan Cameron]

On Wed, 31 Mar 2021 12:37:08 -0400
Chris Browy <cbrowy@avery-design.com> wrote:

> From: hchkuo <hchkuo@avery-design.com.tw>
> 
> Signed-off-by: hchkuo <hchkuo@avery-design.com.tw>
Code must build after each patch, so this needs to go first in the series,
not last.  git rebase -i HEAD~3 and reorder the patches should be an easy
way to do it.

+ add a note to say standard-headers at least should come via scripts
(break that one out to a separate patch to make life easier)

Jonathan

> ---
>  include/hw/pci/pci_ids.h                  | 2 ++
>  include/hw/pci/pcie_regs.h                | 3 +++
>  include/standard-headers/linux/pci_regs.h | 3 ++-
>  3 files changed, 7 insertions(+), 1 deletion(-)
> 
> diff --git a/include/hw/pci/pci_ids.h b/include/hw/pci/pci_ids.h
> index 95f92d9..471c915 100644
> --- a/include/hw/pci/pci_ids.h
> +++ b/include/hw/pci/pci_ids.h
> @@ -157,6 +157,8 @@
>  
>  /* Vendors and devices.  Sort key: vendor first, device next. */
>  
> +#define PCI_VENDOR_ID_PCI_SIG            0x0001
> +
>  #define PCI_VENDOR_ID_LSI_LOGIC          0x1000
>  #define PCI_DEVICE_ID_LSI_53C810         0x0001
>  #define PCI_DEVICE_ID_LSI_53C895A        0x0012
> diff --git a/include/hw/pci/pcie_regs.h b/include/hw/pci/pcie_regs.h
> index 1db86b0..5ec7014 100644
> --- a/include/hw/pci/pcie_regs.h
> +++ b/include/hw/pci/pcie_regs.h
> @@ -179,4 +179,7 @@ typedef enum PCIExpLinkWidth {
>  #define PCI_ACS_VER                     0x1
>  #define PCI_ACS_SIZEOF                  8
>  
> +/* DOE Capability Register Fields */
> +#define PCI_DOE_SIZEOF                  24
> +
>  #endif /* QEMU_PCIE_REGS_H */
> diff --git a/include/standard-headers/linux/pci_regs.h 
> b/include/standard-headers/linux/pci_regs.h
> index e709ae8..2a8df63 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