2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
6 * Copyright (C) 1992 - 1997, 2000-2006 Silicon Graphics, Inc. All rights reserved.
9 #ifndef _ASM_IA64_SN_INTR_H
10 #define _ASM_IA64_SN_INTR_H
12 #include <linux/rcupdate.h>
13 #include <asm/sn/types.h>
15 #define SGI_UART_VECTOR 0xe9
17 /* Reserved IRQs : Note, not to exceed IA64_SN2_FIRST_DEVICE_VECTOR */
18 #define SGI_XPC_ACTIVATE 0x30
19 #define SGI_II_ERROR 0x31
20 #define SGI_XBOW_ERROR 0x32
21 #define SGI_PCIASIC_ERROR 0x33
22 #define SGI_ACPI_SCI_INT 0x34
23 #define SGI_TIOCA_ERROR 0x35
24 #define SGI_TIO_ERROR 0x36
25 #define SGI_TIOCX_ERROR 0x37
26 #define SGI_MMTIMER_VECTOR 0x38
27 #define SGI_XPC_NOTIFY 0xe7
29 #define IA64_SN2_FIRST_DEVICE_VECTOR 0x3c
30 #define IA64_SN2_LAST_DEVICE_VECTOR 0xe6
32 #define SN2_IRQ_RESERVED 0x1
33 #define SN2_IRQ_CONNECTED 0x2
34 #define SN2_IRQ_SHARED 0x4
36 // The SN PROM irq struct
38 struct sn_irq_info *irq_next; /* deprecated DO NOT USE */
39 short irq_nasid; /* Nasid IRQ is assigned to */
40 int irq_slice; /* slice IRQ is assigned to */
41 int irq_cpuid; /* kernel logical cpuid */
42 int irq_irq; /* the IRQ number */
43 int irq_int_bit; /* Bridge interrupt pin */
45 u64 irq_xtalkaddr; /* xtalkaddr IRQ is sent to */
46 int irq_bridge_type;/* pciio asic type (pciio.h) */
47 void *irq_bridge; /* bridge generating irq */
48 void *irq_pciioinfo; /* associated pciio_info_t */
49 int irq_last_intr; /* For Shub lb lost intr WAR */
50 int irq_cookie; /* unique cookie */
51 int irq_flags; /* flags */
52 int irq_share_cnt; /* num devices sharing IRQ */
53 struct list_head list; /* list of sn_irq_info structs */
54 struct rcu_head rcu; /* rcu callback list */
57 extern void sn_send_IPI_phys(int, long, int, int);
58 extern u64 sn_intr_alloc(nasid_t, int,
61 extern void sn_intr_free(nasid_t, int, struct sn_irq_info *);
62 extern struct sn_irq_info *sn_retarget_vector(struct sn_irq_info *, nasid_t, int);
63 extern void sn_set_err_irq_affinity(unsigned int);
64 extern struct list_head **sn_irq_lh;
66 #define CPU_VECTOR_TO_IRQ(cpuid,vector) (vector)
68 #endif /* _ASM_IA64_SN_INTR_H */