From: Michael Ellerman Date: Wed, 22 Nov 2006 07:26:20 +0000 (+1100) Subject: PCI: Add #defines for Hypertransport MSI fields X-Git-Tag: v2.6.20-rc2~82^2~12 X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d010b51c7ea9c28e30a476032615941aa77b1498;p=linux-2.6 PCI: Add #defines for Hypertransport MSI fields Add a few #defines for grabbing and working with the address fields in a HT_CAPTYPE_MSI_MAPPING capability. All from the HT spec v3.00. Signed-off-by: Michael Ellerman Signed-off-by: Greg Kroah-Hartman --- diff --git a/include/linux/pci_regs.h b/include/linux/pci_regs.h index a54b48f7ce..7a6d34ee5a 100644 --- a/include/linux/pci_regs.h +++ b/include/linux/pci_regs.h @@ -494,6 +494,13 @@ #define HT_CAPTYPE_UNITID_CLUMP 0x90 /* Unit ID clumping */ #define HT_CAPTYPE_EXTCONF 0x98 /* Extended Configuration Space Access */ #define HT_CAPTYPE_MSI_MAPPING 0xA8 /* MSI Mapping Capability */ +#define HT_MSI_FLAGS 0x02 /* Offset to flags */ +#define HT_MSI_FLAGS_ENABLE 0x1 /* Mapping enable */ +#define HT_MSI_FLAGS_FIXED 0x2 /* Fixed mapping only */ +#define HT_MSI_FIXED_ADDR 0x00000000FEE00000ULL /* Fixed addr */ +#define HT_MSI_ADDR_LO 0x04 /* Offset to low addr bits */ +#define HT_MSI_ADDR_LO_MASK 0xFFF00000 /* Low address bit mask */ +#define HT_MSI_ADDR_HI 0x08 /* Offset to high addr bits */ #define HT_CAPTYPE_DIRECT_ROUTE 0xB0 /* Direct routing configuration */ #define HT_CAPTYPE_VCSET 0xB8 /* Virtual Channel configuration */ #define HT_CAPTYPE_ERROR_RETRY 0xC0 /* Retry on error configuration */