/* $OpenBSD: i82093var.h,v 1.3 2004/06/23 17:14:31 niklas Exp $ */ /* $NetBSD: i82093var.h,v 1.1 2003/02/26 21:26:10 fvdl Exp $ */ /*- * Copyright (c) 2000 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by RedBack Networks Inc. * * Author: Bill Sommerfeld * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the NetBSD * Foundation, Inc. and its contributors. * 4. Neither the name of The NetBSD Foundation nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #ifndef _I386_I82093VAR_H_ #define _I386_I82093VAR_H_ #include struct ioapic_pin { struct intrhand *ip_handler; struct ioapic_pin *ip_next; /* next pin on this vector */ struct mp_intr_map *ip_map; int ip_vector; /* IDT vector */ int ip_type; int ip_minlevel; int ip_maxlevel; }; struct ioapic_softc { struct device sc_dev; /* generic device glue */ struct ioapic_softc *sc_next; int sc_apicid; int sc_apic_vers; int sc_apic_sz; /* apic size*/ int sc_flags; paddr_t sc_pa; /* PA of ioapic */ volatile u_int32_t *sc_reg; /* KVA of ioapic addr */ volatile u_int32_t *sc_data; /* KVA of ioapic data */ struct ioapic_pin *sc_pins; /* sc_apic_sz entries */ }; /* * MP: intr_handle_t is bitfielded. * ih&0xff -> line number. * ih&0x10000000 -> if 0, old-style isa irq; if 1, routed via ioapic. * (ih&0xff0000)>>16 -> ioapic id. * (ih&0x00ff00)>>8 -> ioapic line. */ #define APIC_INT_VIA_APIC 0x10000000 #define APIC_INT_APIC_MASK 0x00ff0000 #define APIC_INT_APIC_SHIFT 16 #define APIC_INT_PIN_MASK 0x0000ff00 #define APIC_INT_PIN_SHIFT 8 #define APIC_IRQ_APIC(x) ((x & APIC_INT_APIC_MASK) >> APIC_INT_APIC_SHIFT) #define APIC_IRQ_PIN(x) ((x & APIC_INT_PIN_MASK) >> APIC_INT_PIN_SHIFT) /* I/O APIC ID remapping helper macros. */ #define IOAPIC_REMAP_MASK (IOAPIC_ID_MASK >> IOAPIC_ID_SHIFT) #define IOAPIC_REMAP_FLAG ((IOAPIC_REMAP_MASK + 1) << 1) #define IOAPIC_REMAP(old_id, new_id) \ (ioapic_id_remap[(old_id)] = IOAPIC_REMAP_FLAG | (new_id)) #define IOAPIC_REMAPPED(id) (ioapic_id_remap[(id)] & IOAPIC_REMAP_FLAG) #define IOAPIC_REMAPPED_ID(id) \ (IOAPIC_REMAPPED(id) ? ioapic_id_remap[(id)] & IOAPIC_REMAP_MASK : (id)) void *apic_intr_establish(int, int, int, int (*)(void *), void *, char *); void apic_intr_disestablish(void *); void ioapic_print_redir(struct ioapic_softc *, char *, int); void ioapic_format_redir(char *, char *, int, u_int32_t, u_int32_t); struct ioapic_softc *ioapic_find(int); struct ioapic_softc *ioapic_find_bybase(int); void ioapic_enable(void); void lapic_vectorset(void); /* XXX */ extern int ioapic_bsp_id; extern int nioapics; extern struct ioapic_softc *ioapics; extern u_int16_t ioapic_id_map; extern u_int8_t ioapic_id_remap[]; #endif /* !_I386_I82093VAR_H_ */