1 /* $OpenBSD: i82093var.h,v 1.5 2016/05/04 14:30:00 kettenis Exp $ */ 2 /* $NetBSD: i82093var.h,v 1.1 2003/02/26 21:26:10 fvdl Exp $ */ 3 4 /*- 5 * Copyright (c) 2000 The NetBSD Foundation, Inc. 6 * All rights reserved. 7 * 8 * This code is derived from software contributed to The NetBSD Foundation 9 * by RedBack Networks Inc. 10 * 11 * Author: Bill Sommerfeld 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 1. Redistributions of source code must retain the above copyright 17 * notice, this list of conditions and the following disclaimer. 18 * 2. Redistributions in binary form must reproduce the above copyright 19 * notice, this list of conditions and the following disclaimer in the 20 * documentation and/or other materials provided with the distribution. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 23 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 24 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 25 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 26 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 32 * POSSIBILITY OF SUCH DAMAGE. 33 */ 34 35 #ifndef _MACHINE_I82093VAR_H_ 36 #define _MACHINE_I82093VAR_H_ 37 38 #include <machine/apicvar.h> 39 40 struct ioapic_pin 41 { 42 struct ioapic_pin *ip_next; /* next pin on this vector */ 43 struct mp_intr_map *ip_map; 44 int ip_vector; /* IDT vector */ 45 int ip_type; 46 struct cpu_info *ip_cpu; /* target CPU */ 47 }; 48 49 struct ioapic_softc { 50 struct pic sc_pic; 51 struct ioapic_softc *sc_next; 52 int sc_apicid; 53 int sc_apic_vers; 54 int sc_apic_vecbase; /* global int base if ACPI */ 55 int sc_apic_sz; /* apic size*/ 56 int sc_flags; 57 paddr_t sc_pa; /* PA of ioapic */ 58 volatile u_int32_t *sc_reg; /* KVA of ioapic addr */ 59 volatile u_int32_t *sc_data; /* KVA of ioapic data */ 60 struct ioapic_pin *sc_pins; /* sc_apic_sz entries */ 61 }; 62 63 /* 64 * MP: intr_handle_t is bitfielded. 65 * ih&0xff -> legacy irq number. 66 * ih&0x10000000 -> if 0, old-style isa irq; if 1, routed via ioapic. 67 * (ih&0xff0000)>>16 -> ioapic id. 68 * (ih&0x00ff00)>>8 -> ioapic pin. 69 */ 70 71 #define APIC_INT_VIA_APIC 0x10000000 72 #define APIC_INT_VIA_MSG 0x20000000 73 #define APIC_INT_VIA_MSGX 0x40000000 74 #define APIC_INT_APIC_MASK 0x00ff0000 75 #define APIC_INT_APIC_SHIFT 16 76 #define APIC_INT_PIN_MASK 0x0000ff00 77 #define APIC_INT_PIN_SHIFT 8 78 79 #define APIC_IRQ_APIC(x) ((x & APIC_INT_APIC_MASK) >> APIC_INT_APIC_SHIFT) 80 #define APIC_IRQ_PIN(x) ((x & APIC_INT_PIN_MASK) >> APIC_INT_PIN_SHIFT) 81 #define APIC_IRQ_ISLEGACY(x) (!((x) & APIC_INT_VIA_APIC)) 82 #define APIC_IRQ_LEGACY_IRQ(x) ((x) & 0xff) 83 84 void *apic_intr_establish(int, int, int, int (*)(void *), void *); 85 void apic_intr_disestablish(void *); 86 87 void ioapic_print_redir(struct ioapic_softc *, char *, int); 88 void ioapic_format_redir(char *, char *, int, u_int32_t, u_int32_t); 89 struct ioapic_softc *ioapic_find(int); 90 struct ioapic_softc *ioapic_find_bybase(int); 91 92 void ioapic_enable(void); 93 void lapic_vectorset(void); /* XXX */ 94 95 extern int ioapic_bsp_id; 96 extern int nioapics; 97 extern struct ioapic_softc *ioapics; 98 99 #endif /* !_MACHINE_I82093VAR_H_ */ 100