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-rw-r--r--arch/ia64/include/asm/msidef.h43
1 files changed, 43 insertions, 0 deletions
diff --git a/arch/ia64/include/asm/msidef.h b/arch/ia64/include/asm/msidef.h
new file mode 100644
index 000000000..18d0e4226
--- /dev/null
+++ b/arch/ia64/include/asm/msidef.h
@@ -0,0 +1,43 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _IA64_MSI_DEF_H
+#define _IA64_MSI_DEF_H
+
+/*
+ * Shifts for APIC-based data
+ */
+
+#define MSI_DATA_VECTOR_SHIFT 0
+#define MSI_DATA_VECTOR(v) (((u8)v) << MSI_DATA_VECTOR_SHIFT)
+#define MSI_DATA_VECTOR_MASK 0xffffff00
+
+#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 APIC-based bus address
+ */
+
+#define MSI_ADDR_DEST_ID_SHIFT 4
+#define MSI_ADDR_HEADER 0xfee00000
+
+#define MSI_ADDR_DEST_ID_MASK 0xfff0000f
+#define MSI_ADDR_DEST_ID_CPU(cpu) ((cpu) << MSI_ADDR_DEST_ID_SHIFT)
+
+#define MSI_ADDR_DEST_MODE_SHIFT 2
+#define MSI_ADDR_DEST_MODE_PHYS (0 << MSI_ADDR_DEST_MODE_SHIFT)
+#define MSI_ADDR_DEST_MODE_LOGIC (1 << MSI_ADDR_DEST_MODE_SHIFT)
+
+#define MSI_ADDR_REDIRECTION_SHIFT 3
+#define MSI_ADDR_REDIRECTION_CPU (0 << MSI_ADDR_REDIRECTION_SHIFT)
+#define MSI_ADDR_REDIRECTION_LOWPRI (1 << MSI_ADDR_REDIRECTION_SHIFT)
+
+#endif/* _IA64_MSI_DEF_H */