From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: To: From: Michael Ellerman Date: Tue, 07 Nov 2006 18:21:21 +1100 Subject: [RFC/PATCH 1/7] Add #defines for Hypertransport MSI fields In-Reply-To: <1162884080.585336.70559261997.qpush@cradle> Message-Id: <20061107072123.4463F67C29@ozlabs.org> Cc: "Eric W. Biederman" , Greg Kroah-Hartman , linux-pci@atrey.karlin.mff.cuni.cz, "David S. Miller" List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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 --- include/linux/pci_regs.h | 7 +++++++ 1 file changed, 7 insertions(+) Index: msi/include/linux/pci_regs.h =================================================================== --- msi.orig/include/linux/pci_regs.h +++ msi/include/linux/pci_regs.h @@ -480,6 +480,13 @@ #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 0x0000000FEE0000ULL /* 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 */