1 files changed, 24 insertions, 1 deletions

diff --git a/include/linux/pci_regs.h b/include/linux/pci_regs.h
index c321316f1bc7..7a6d34ee5ab1 100644
--- a/include/linux/pci_regs.h
+++ b/include/linux/pci_regs.h
@@ -292,6 +292,12 @@
 #define PCI_MSI_DATA_64         12      /* 16 bits of data for 64-bit devices */
 #define PCI_MSI_MASK_BIT        16      /* Mask bits register */
 
+/* MSI-X registers (these are at offset PCI_MSI_FLAGS) */
+#define PCI_MSIX_FLAGS_QSIZE    0x7FF
+#define PCI_MSIX_FLAGS_ENABLE   (1 << 15)
+#define PCI_MSIX_FLAGS_BIRMASK  (7 << 0)
+#define PCI_MSIX_FLAGS_BITMASK  (1 << 0)
+
 /* CompactPCI Hotswap Register */
 
 #define PCI_CHSWP_CSR           2       /* Control and Status Register */
@@ -469,15 +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 */