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authorMichael Ellerman <michael@ellerman.id.au>2006-11-22 18:26:20 +1100
committerGreg Kroah-Hartman <gregkh@suse.de>2006-12-20 10:54:43 -0800
commitd010b51c7ea9c28e30a476032615941aa77b1498 (patch)
treecffd4a684493aa96dcd2661c45b973e2c8b716c1 /include/linux/pci_regs.h
parent120a50df4536da69d2e85633a60bc40a85088dd1 (diff)
downloadblackbird-op-linux-d010b51c7ea9c28e30a476032615941aa77b1498.tar.gz
blackbird-op-linux-d010b51c7ea9c28e30a476032615941aa77b1498.zip
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 <michael@ellerman.id.au> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'include/linux/pci_regs.h')
-rw-r--r--include/linux/pci_regs.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/pci_regs.h b/include/linux/pci_regs.h
index a54b48f7cee2..7a6d34ee5ab1 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 */
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