1 files changed, 68 insertions, 0 deletions

diff --git a/arch/ia64/include/asm/sn/intr.h b/arch/ia64/include/asm/sn/intr.h
new file mode 100644
index 000000000000..e0487aa97418
--- /dev/null
+++ b/arch/ia64/include/asm/sn/intr.h
@@ -0,0 +1,68 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 1992 - 1997, 2000-2006 Silicon Graphics, Inc. All rights reserved.
+ */
+
+#ifndef _ASM_IA64_SN_INTR_H
+#define _ASM_IA64_SN_INTR_H
+
+#include <linux/rcupdate.h>
+#include <asm/sn/types.h>
+
+#define SGI_UART_VECTOR         0xe9
+
+/* Reserved IRQs : Note, not to exceed IA64_SN2_FIRST_DEVICE_VECTOR */
+#define SGI_XPC_ACTIVATE        0x30
+#define SGI_II_ERROR            0x31
+#define SGI_XBOW_ERROR          0x32
+#define SGI_PCIASIC_ERROR       0x33
+#define SGI_ACPI_SCI_INT        0x34
+#define SGI_TIOCA_ERROR         0x35
+#define SGI_TIO_ERROR           0x36
+#define SGI_TIOCX_ERROR         0x37
+#define SGI_MMTIMER_VECTOR      0x38
+#define SGI_XPC_NOTIFY          0xe7
+
+#define IA64_SN2_FIRST_DEVICE_VECTOR    0x3c
+#define IA64_SN2_LAST_DEVICE_VECTOR     0xe6
+
+#define SN2_IRQ_RESERVED        0x1
+#define SN2_IRQ_CONNECTED       0x2
+#define SN2_IRQ_SHARED          0x4
+
+// The SN PROM irq struct
+struct sn_irq_info {
+        struct sn_irq_info *irq_next;   /* deprecated DO NOT USE     */
+        short           irq_nasid;      /* Nasid IRQ is assigned to  */
+        int             irq_slice;      /* slice IRQ is assigned to  */
+        int             irq_cpuid;      /* kernel logical cpuid      */
+        int             irq_irq;        /* the IRQ number */
+        int             irq_int_bit;    /* Bridge interrupt pin */
+                                        /* <0 means MSI */
+        u64     irq_xtalkaddr;  /* xtalkaddr IRQ is sent to  */
+        int             irq_bridge_type;/* pciio asic type (pciio.h) */
+        void           *irq_bridge;     /* bridge generating irq     */
+        void           *irq_pciioinfo;  /* associated pciio_info_t   */
+        int             irq_last_intr;  /* For Shub lb lost intr WAR */
+        int             irq_cookie;     /* unique cookie             */
+        int             irq_flags;      /* flags */
+        int             irq_share_cnt;  /* num devices sharing IRQ   */
+        struct list_head        list;   /* list of sn_irq_info structs */
+        struct rcu_head         rcu;    /* rcu callback list */
+};
+
+extern void sn_send_IPI_phys(int, long, int, int);
+extern u64 sn_intr_alloc(nasid_t, int,
+                              struct sn_irq_info *,
+                              int, nasid_t, int);
+extern void sn_intr_free(nasid_t, int, struct sn_irq_info *);
+extern struct sn_irq_info *sn_retarget_vector(struct sn_irq_info *, nasid_t, int);
+extern void sn_set_err_irq_affinity(unsigned int);
+extern struct list_head **sn_irq_lh;
+
+#define CPU_VECTOR_TO_IRQ(cpuid,vector) (vector)
+
+#endif /* _ASM_IA64_SN_INTR_H */