This commit was manufactured by cvs2svn to create branch 'vserver'.

[linux-2.6.git] / include / asm-x86_64 / msidef.h

diff --git a/include/asm-x86_64/msidef.h b/include/asm-x86_64/msidef.h
new file mode 100644 (file)
index 0000000..5b8acdd
--- /dev/null
+++ b/include/asm-x86_64/msidef.h
@@ -0,0 +1,47 @@
+#ifndef ASM_MSIDEF_H
+#define ASM_MSIDEF_H
+
+/*
+ * Constants for Intel APIC based MSI messages.
+ */
+
+/*
+ * Shifts for MSI data
+ */
+
+#define MSI_DATA_VECTOR_SHIFT          0
+#define  MSI_DATA_VECTOR_MASK          0x000000ff
+#define         MSI_DATA_VECTOR(v)             (((v) << MSI_DATA_VECTOR_SHIFT) & MSI_DATA_VECTOR_MASK)
+
+#define MSI_DATA_DELIVERY_MODE_SHIFT   8
+#define  MSI_DATA_DELIVERY_FIXED       (0 << MSI_DATA_DELIVERY_MODE_SHIFT)
+#define  MSI_DATA_DELIVERY_LOWPRI      (1 << MSI_DATA_DELIVERY_MODE_SHIFT)
+
+#define MSI_DATA_LEVEL_SHIFT           14
+#define         MSI_DATA_LEVEL_DEASSERT        (0 << MSI_DATA_LEVEL_SHIFT)
+#define         MSI_DATA_LEVEL_ASSERT          (1 << MSI_DATA_LEVEL_SHIFT)
+
+#define MSI_DATA_TRIGGER_SHIFT         15
+#define  MSI_DATA_TRIGGER_EDGE         (0 << MSI_DATA_TRIGGER_SHIFT)
+#define  MSI_DATA_TRIGGER_LEVEL                (1 << MSI_DATA_TRIGGER_SHIFT)
+
+/*
+ * Shift/mask fields for msi address
+ */
+
+#define MSI_ADDR_BASE_HI               0
+#define MSI_ADDR_BASE_LO               0xfee00000
+
+#define MSI_ADDR_DEST_MODE_SHIFT       2
+#define  MSI_ADDR_DEST_MODE_PHYSICAL   (0 << MSI_ADDR_DEST_MODE_SHIFT)
+#define         MSI_ADDR_DEST_MODE_LOGICAL     (1 << MSI_ADDR_DEST_MODE_SHIFT)
+
+#define MSI_ADDR_REDIRECTION_SHIFT     3
+#define  MSI_ADDR_REDIRECTION_CPU      (0 << MSI_ADDR_REDIRECTION_SHIFT) /* dedicated cpu */
+#define  MSI_ADDR_REDIRECTION_LOWPRI   (1 << MSI_ADDR_REDIRECTION_SHIFT) /* lowest priority */
+
+#define MSI_ADDR_DEST_ID_SHIFT         12
+#define         MSI_ADDR_DEST_ID_MASK          0x00ffff0
+#define  MSI_ADDR_DEST_ID(dest)                (((dest) << MSI_ADDR_DEST_ID_SHIFT) & MSI_ADDR_DEST_ID_MASK)
+
+#endif /* ASM_MSIDEF_H */