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-rw-r--r--include/linux/pci_regs.h19
1 files changed, 18 insertions, 1 deletions
diff --git a/include/linux/pci_regs.h b/include/linux/pci_regs.h
index 064b1dc..7a6d34e 100644
--- a/include/linux/pci_regs.h
+++ b/include/linux/pci_regs.h
@@ -475,15 +475,32 @@
#define PCI_PWR_CAP 12 /* Capability */
#define PCI_PWR_CAP_BUDGET(x) ((x) & 1) /* Included in system budget */
-/* Hypertransport sub capability types */
+/*
+ * Hypertransport sub capability types
+ *
+ * Unfortunately there are both 3 bit and 5 bit capability types defined
+ * in the HT spec, catering for that is a little messy. You probably don't
+ * want to use these directly, just use pci_find_ht_capability() and it
+ * will do the right thing for you.
+ */
+#define HT_3BIT_CAP_MASK 0xE0
#define HT_CAPTYPE_SLAVE 0x00 /* Slave/Primary link configuration */
#define HT_CAPTYPE_HOST 0x20 /* Host/Secondary link configuration */
+
+#define HT_5BIT_CAP_MASK 0xF8
#define HT_CAPTYPE_IRQ 0x80 /* IRQ Configuration */
#define HT_CAPTYPE_REMAPPING_40 0xA0 /* 40 bit address remapping */
#define HT_CAPTYPE_REMAPPING_64 0xA2 /* 64 bit address remapping */
#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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