1 /* 2 * Copyright (c) 1996, by Steve Passe 3 * Copyright (c) 2008 The DragonFly Project. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. The name of the developer may NOT be used to endorse or promote products 12 * derived from this software without specific prior written permission. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD: src/sys/i386/include/mpapic.h,v 1.14.2.2 2000/09/30 02:49:34 ps Exp $ 27 * $DragonFly: src/sys/platform/pc64/apic/mpapic.h,v 1.1 2008/08/29 17:07:12 dillon Exp $ 28 */ 29 30 #ifndef _ARCH_APIC_IOAPIC_H_ 31 #define _ARCH_APIC_IOAPIC_H_ 32 33 #ifndef _SYS_BUS_H_ 34 #include <sys/bus.h> 35 #endif 36 37 #ifndef _SYS_QUEUE_H_ 38 #include <sys/queue.h> 39 #endif 40 41 u_int ioapic_read(volatile void *, int); 42 void ioapic_write(volatile void *, int, u_int); 43 44 struct ioapic_enumerator { 45 int ioapic_prio; 46 TAILQ_ENTRY(ioapic_enumerator) ioapic_link; 47 int (*ioapic_probe)(struct ioapic_enumerator *); 48 void (*ioapic_enumerate)(struct ioapic_enumerator *); 49 }; 50 51 #define IOAPIC_ENUM_PRIO_MPTABLE 20 52 #define IOAPIC_ENUM_PRIO_MADT 40 53 54 void ioapic_enumerator_register(struct ioapic_enumerator *); 55 void ioapic_add(void *, int, int); 56 void ioapic_intsrc(int, int, enum intr_trigger, enum intr_polarity); 57 void *ioapic_gsi_ioaddr(int); 58 int ioapic_gsi_pin(int); 59 void ioapic_pin_setup(void *, int, int, 60 enum intr_trigger, enum intr_polarity, int); 61 void ioapic_extpin_setup(void *, int, int); 62 int ioapic_extpin_gsi(void); 63 int ioapic_gsi(int, int); 64 void *ioapic_map(vm_paddr_t); 65 66 extern int ioapic_enable; 67 68 #endif /* !_ARCH_APIC_IOAPIC_H_ */ 69