Annotation of sys/arch/i386/include/i82093var.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: i82093var.h,v 1.5 2006/05/09 18:41:22 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: * 3. All advertising materials mentioning features or use of this software
! 22: * must display the following acknowledgement:
! 23: * This product includes software developed by the NetBSD
! 24: * Foundation, Inc. and its contributors.
! 25: * 4. Neither the name of The NetBSD Foundation nor the names of its
! 26: * contributors may be used to endorse or promote products derived
! 27: * from this software without specific prior written permission.
! 28: *
! 29: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
! 30: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
! 31: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
! 32: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
! 33: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
! 34: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
! 35: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
! 36: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
! 37: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
! 38: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! 39: * POSSIBILITY OF SUCH DAMAGE.
! 40: */
! 41:
! 42: #ifndef _I386_I82093VAR_H_
! 43: #define _I386_I82093VAR_H_
! 44:
! 45: #include <machine/apicvar.h>
! 46:
! 47: struct ioapic_pin
! 48: {
! 49: struct intrhand *ip_handler;
! 50: struct ioapic_pin *ip_next; /* next pin on this vector */
! 51: struct mp_intr_map *ip_map;
! 52: int ip_vector; /* IDT vector */
! 53: int ip_type;
! 54: int ip_minlevel;
! 55: int ip_maxlevel;
! 56: };
! 57:
! 58: struct ioapic_softc {
! 59: struct device sc_dev; /* generic device glue */
! 60: struct ioapic_softc *sc_next;
! 61: int sc_apicid;
! 62: int sc_apic_vers;
! 63: int sc_apic_vecbase; /* global int base if ACPI */
! 64: int sc_apic_sz; /* apic size*/
! 65: int sc_flags;
! 66: paddr_t sc_pa; /* PA of ioapic */
! 67: volatile u_int32_t *sc_reg; /* KVA of ioapic addr */
! 68: volatile u_int32_t *sc_data; /* KVA of ioapic data */
! 69: struct ioapic_pin *sc_pins; /* sc_apic_sz entries */
! 70: };
! 71:
! 72: /*
! 73: * MP: intr_handle_t is bitfielded.
! 74: * ih&0xff -> line number.
! 75: * ih&0x10000000 -> if 0, old-style isa irq; if 1, routed via ioapic.
! 76: * (ih&0xff0000)>>16 -> ioapic id.
! 77: * (ih&0x00ff00)>>8 -> ioapic line.
! 78: */
! 79:
! 80: #define APIC_INT_VIA_APIC 0x10000000
! 81: #define APIC_INT_APIC_MASK 0x00ff0000
! 82: #define APIC_INT_APIC_SHIFT 16
! 83: #define APIC_INT_PIN_MASK 0x0000ff00
! 84: #define APIC_INT_PIN_SHIFT 8
! 85: #define APIC_INT_LINE_MASK 0x000000ff
! 86:
! 87: #define APIC_IRQ_APIC(x) ((x & APIC_INT_APIC_MASK) >> APIC_INT_APIC_SHIFT)
! 88: #define APIC_IRQ_PIN(x) ((x & APIC_INT_PIN_MASK) >> APIC_INT_PIN_SHIFT)
! 89:
! 90: /* I/O APIC ID remapping helper macros. */
! 91: #define IOAPIC_REMAP_MASK (IOAPIC_ID_MASK >> IOAPIC_ID_SHIFT)
! 92: #define IOAPIC_REMAP_FLAG ((IOAPIC_REMAP_MASK + 1) << 1)
! 93: #define IOAPIC_REMAP(old_id, new_id) \
! 94: (ioapic_id_remap[(old_id)] = IOAPIC_REMAP_FLAG | (new_id))
! 95: #define IOAPIC_REMAPPED(id) (ioapic_id_remap[(id)] & IOAPIC_REMAP_FLAG)
! 96: #define IOAPIC_REMAPPED_ID(id) \
! 97: (IOAPIC_REMAPPED(id) ? ioapic_id_remap[(id)] & IOAPIC_REMAP_MASK : (id))
! 98:
! 99: void *apic_intr_establish(int, int, int, int (*)(void *), void *, char *);
! 100: void apic_intr_disestablish(void *);
! 101:
! 102: void ioapic_print_redir(struct ioapic_softc *, char *, int);
! 103: void ioapic_format_redir(char *, char *, int, u_int32_t, u_int32_t);
! 104: struct ioapic_softc *ioapic_find(int);
! 105: struct ioapic_softc *ioapic_find_bybase(int);
! 106:
! 107: void ioapic_enable(void);
! 108: void lapic_vectorset(void); /* XXX */
! 109:
! 110: extern int ioapic_bsp_id;
! 111: extern int nioapics;
! 112: extern struct ioapic_softc *ioapics;
! 113: extern u_int16_t ioapic_id_map;
! 114: extern u_int8_t ioapic_id_remap[];
! 115:
! 116: #endif /* !_I386_I82093VAR_H_ */
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