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-rw-r--r--kernel/arch/ia64/include/asm/sn/intr.h68
1 files changed, 68 insertions, 0 deletions
diff --git a/kernel/arch/ia64/include/asm/sn/intr.h b/kernel/arch/ia64/include/asm/sn/intr.h
new file mode 100644
index 000000000..e0487aa97
--- /dev/null
+++ b/kernel/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 */