1 /* $NetBSD: i82093var.h,v 1.3 2002/11/22 15:23:46 fvdl Exp $ */ 2 3 /*- 4 * Copyright (c) 2000 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by RedBack Networks Inc. 9 * 10 * Author: Bill Sommerfeld 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. All advertising materials mentioning features or use of this software 21 * must display the following acknowledgement: 22 * This product includes software developed by the NetBSD 23 * Foundation, Inc. and its contributors. 24 * 4. Neither the name of The NetBSD Foundation nor the names of its 25 * contributors may be used to endorse or promote products derived 26 * from this software without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 29 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 30 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 31 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 32 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 33 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 34 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 35 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 36 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 37 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 38 * POSSIBILITY OF SUCH DAMAGE. 39 */ 40 41 #ifndef _I386_I82093VAR_H_ 42 #define _I386_I82093VAR_H_ 43 44 #include <machine/apicvar.h> 45 46 struct ioapic_pin 47 { 48 struct ioapic_pin *ip_next; /* next pin on this vector */ 49 struct mp_intr_map *ip_map; 50 int ip_vector; /* IDT vector */ 51 int ip_type; 52 struct cpu_info *ip_cpu; /* target CPU */ 53 }; 54 55 struct ioapic_softc { 56 struct pic sc_pic; 57 struct ioapic_softc *sc_next; 58 int sc_apicid; 59 int sc_apic_vers; 60 int sc_apic_sz; /* apic size*/ 61 int sc_flags; 62 paddr_t sc_pa; /* PA of ioapic */ 63 volatile u_int32_t *sc_reg; /* KVA of ioapic addr */ 64 volatile u_int32_t *sc_data; /* KVA of ioapic data */ 65 struct ioapic_pin *sc_pins; /* sc_apic_sz entries */ 66 }; 67 68 /* 69 * MP: intr_handle_t is bitfielded. 70 * ih&0xff -> legacy irq number. 71 * ih&0x10000000 -> if 0, old-style isa irq; if 1, routed via ioapic. 72 * (ih&0xff0000)>>16 -> ioapic id. 73 * (ih&0x00ff00)>>8 -> ioapic pin. 74 */ 75 76 #define APIC_INT_VIA_APIC 0x10000000 77 #define APIC_INT_APIC_MASK 0x00ff0000 78 #define APIC_INT_APIC_SHIFT 16 79 #define APIC_INT_PIN_MASK 0x0000ff00 80 #define APIC_INT_PIN_SHIFT 8 81 82 #define APIC_IRQ_APIC(x) ((x & APIC_INT_APIC_MASK) >> APIC_INT_APIC_SHIFT) 83 #define APIC_IRQ_PIN(x) ((x & APIC_INT_PIN_MASK) >> APIC_INT_PIN_SHIFT) 84 #define APIC_IRQ_ISLEGACY(x) (!((x) & APIC_INT_VIA_APIC)) 85 #define APIC_IRQ_LEGACY_IRQ(x) ((x) & 0xff) 86 87 void *apic_intr_establish __P((int, int, int, int (*)(void *), void *)); 88 void apic_intr_disestablish __P((void *)); 89 90 void ioapic_print_redir (struct ioapic_softc *, char *, int); 91 void ioapic_format_redir (char *, char *, int, u_int32_t, u_int32_t); 92 struct ioapic_softc *ioapic_find (int); 93 94 void ioapic_enable __P((void)); 95 void lapic_vectorset __P((void)); /* XXX */ 96 97 extern int ioapic_bsp_id; 98 99 #endif /* !_I386_I82093VAR_H_ */ 100