Reviewed-by: Liming Gao <[email protected]> > -----Original Message----- > From: Laszlo Ersek [mailto:[email protected]] > Sent: Tuesday, September 26, 2017 3:58 AM > To: edk2-devel-01 <[email protected]> > Cc: Justen, Jordan L <[email protected]>; Gao, Liming > <[email protected]>; Marcel Apfelbaum <[email protected]>; > Kinney, Michael D <[email protected]>; Ni, Ruiyu <[email protected]> > Subject: [PATCH 1/7] MdePkg/IndustryStandard/Pci23: add vendor-specific > capability header > > 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 >
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