Revision 2.2 of the PCI Spec defines Capability IDs 0 through 6, inclusive, in Appendix H. It reserves IDs 7 through 255.
Revision 2.3 of the PCI Spec adds Capability IDs 7 through 0xC, inclusive, in Appendix H. Capability ID 9 stands for "Vendor Specific". Add the EFI_PCI_CAPABILITY_ID_VENDOR macro and the EFI_PCI_CAPABILITY_VENDOR_HDR structure type to MdePkg/IndustryStandard, in order to describe this capability header. Cc: Jordan Justen <[email protected]> Cc: Liming Gao <[email protected]> Cc: Marcel Apfelbaum <[email protected]> Cc: Michael D Kinney <[email protected]> Cc: Ruiyu Ni <[email protected]> Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Laszlo Ersek <[email protected]> --- MdePkg/Include/IndustryStandard/Pci23.h | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/MdePkg/Include/IndustryStandard/Pci23.h b/MdePkg/Include/IndustryStandard/Pci23.h index 467354429e06..87bd16375c02 100644 --- a/MdePkg/Include/IndustryStandard/Pci23.h +++ b/MdePkg/Include/IndustryStandard/Pci23.h @@ -91,8 +91,9 @@ /// /// PCI Capability List IDs and records. /// #define EFI_PCI_CAPABILITY_ID_PCIX 0x07 +#define EFI_PCI_CAPABILITY_ID_VENDOR 0x09 #pragma pack(1) /// /// PCI-X Capabilities List, @@ -115,8 +116,17 @@ typedef struct { UINT32 SplitTransCtrlRegUp; UINT32 SplitTransCtrlRegDn; } EFI_PCI_CAPABILITY_PCIX_BRDG; +/// +/// Vendor Specific Capability Header +/// Table H-1: Capability IDs, PCI Local Bus Specification, 2.3 +/// +typedef struct { + EFI_PCI_CAPABILITY_HDR Hdr; + UINT8 Length; +} EFI_PCI_CAPABILITY_VENDOR_HDR; + #pragma pack() #define PCI_CODE_TYPE_EFI_IMAGE 0x03 -- 2.14.1.3.gb7cf6e02401b _______________________________________________ edk2-devel mailing list [email protected] https://lists.01.org/mailman/listinfo/edk2-devel
