1 /* 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 4 * for more details. 5 * 6 * Copyright (C) 1992 - 1997, 2000-2006 Silicon Graphics, Inc. All rights reserved. 7 */ 8 9 #ifndef _ASM_IA64_SN_INTR_H 10 #define _ASM_IA64_SN_INTR_H 11 12 #include <linux/rcupdate.h> 13 #include <asm/sn/types.h> 14 15 #define SGI_UART_VECTOR 0xe9 16 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 28 29 #define IA64_SN2_FIRST_DEVICE_VECTOR 0x3c 30 #define IA64_SN2_LAST_DEVICE_VECTOR 0xe6 31 32 #define SN2_IRQ_RESERVED 0x1 33 #define SN2_IRQ_CONNECTED 0x2 34 #define SN2_IRQ_SHARED 0x4 35 36 // The SN PROM irq struct 37 struct sn_irq_info { 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 */ 44 /* <0 means MSI */ 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 */ 55 }; 56 57 extern void sn_send_IPI_phys(int, long, int, int); 58 extern u64 sn_intr_alloc(nasid_t, int, 59 struct sn_irq_info *, 60 int, 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; 65 66 #define CPU_VECTOR_TO_IRQ(cpuid,vector) (vector) 67 68 #endif /* _ASM_IA64_SN_INTR_H */ 69