From: Bjorn Helgaas Date: Fri, 13 Jul 2012 20:30:21 +0000 (-0600) Subject: PCI: Add Vendor-Specific Extended Capability header info X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=defb9446fe417f72855bc8bf97aa5d8af076bdf8;p=linux-beck.git PCI: Add Vendor-Specific Extended Capability header info This adds the fields in the Vendor-Specific Header: ID, Rev, and Length. There may be multiple Vendor-Specific capabilities, so drivers should use the VSEC ID to identify the one of interest. Signed-off-by: Bjorn Helgaas --- diff --git a/include/linux/pci_regs.h b/include/linux/pci_regs.h index 7fb75b143755..02448b1a0902 100644 --- a/include/linux/pci_regs.h +++ b/include/linux/pci_regs.h @@ -677,6 +677,12 @@ #define PCI_PWR_CAP_BUDGET(x) ((x) & 1) /* Included in system budget */ #define PCI_EXT_CAP_PWR_SIZEOF 16 +/* Vendor-Specific (VSEC, PCI_EXT_CAP_ID_VNDR) */ +#define PCI_VNDR_HEADER 4 /* Vendor-Specific Header */ +#define PCI_VNDR_HEADER_ID(x) ((x) & 0xffff) +#define PCI_VNDR_HEADER_REV(x) (((x) >> 16) & 0xf) +#define PCI_VNDR_HEADER_LEN(x) (((x) >> 20) & 0xfff) + /* * Hypertransport sub capability types *