| | 1 | /* |
| | 2 | * Copyright (c) 1991 The Regents of the University of California. |
| | 3 | * Copyright (c) 1996, by Steve Passe. All rights reserved. |
| | 4 | * Copyright (c) 2005,2008 The DragonFly Project. All rights reserved. |
| | 5 | * All rights reserved. |
| | 6 | * |
| | 7 | * This code is derived from software contributed to The DragonFly Project |
| | 8 | * by Matthew Dillon <dillon@backplane.com> |
| | 9 | * |
| | 10 | * This code is derived from software contributed to Berkeley by |
| | 11 | * William Jolitz. |
| | 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 | * |
| | 17 | * 1. Redistributions of source code must retain the above copyright |
| | 18 | * notice, this list of conditions and the following disclaimer. |
| | 19 | * 2. Redistributions in binary form must reproduce the above copyright |
| | 20 | * notice, this list of conditions and the following disclaimer in |
| | 21 | * the documentation and/or other materials provided with the |
| | 22 | * distribution. |
| | 23 | * 3. Neither the name of The DragonFly Project nor the names of its |
| | 24 | * contributors may be used to endorse or promote products derived |
| | 25 | * from this software without specific, prior written permission. |
| | 26 | * |
| | 27 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| | 28 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| | 29 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
| | 30 | * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
| | 31 | * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
| | 32 | * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, |
| | 33 | * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| | 34 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
| | 35 | * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| | 36 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| | 37 | * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| | 38 | * SUCH DAMAGE. |
| | 39 | */ |
| | 40 | |
| | 41 | #ifndef _ARCH_APIC_IOAPIC_ABI_H_ |
| | 42 | #define _ARCH_APIC_IOAPIC_ABI_H_ |
| | 43 | |
| | 44 | #ifndef _SYS_BUS_H_ |
| | 45 | #include <sys/bus.h> |
| | 46 | #endif |
| | 47 | |
| | 48 | /* |
| | 49 | * NOTE: |
| | 50 | * - Keep size of ioapic_irqinfo power of 2 |
| | 51 | * - Update IOAPIC_IRQI_SZSHIFT after changing ioapic_irqinfo size |
| | 52 | */ |
| | 53 | struct ioapic_irqinfo { |
| | 54 | uint32_t io_flags; /* IOAPIC_IRQI_FLAG_ */ |
| | 55 | volatile void *io_addr; |
| | 56 | int io_idx; |
| | 57 | uint32_t io_pad; |
| | 58 | }; |
| | 59 | #define IOAPIC_IRQI_SZSHIFT 4 |
| | 60 | |
| | 61 | #define IOAPIC_IRQI_FLAG_LEVEL 0x1 /* default to edge trigger */ |
| | 62 | #define IOAPIC_IRQI_FLAG_MASKED 0x2 |
| | 63 | |
| | 64 | extern struct ioapic_irqinfo ioapic_irqs[]; |
| | 65 | |
| | 66 | extern struct machintr_abi MachIntrABI_IOAPIC; |
| | 67 | |
| | 68 | int ioapic_conf_legacy_extint(int); |
| | 69 | void ioapic_set_legacy_irqmap(int, int, enum intr_trigger, |
| | 70 | enum intr_polarity); |
| | 71 | void ioapic_fixup_legacy_irqmaps(void); |
| | 72 | |
| | 73 | int ioapic_find_legacy_by_gsi(int, enum intr_trigger, enum intr_polarity); |
| | 74 | int ioapic_find_legacy_by_irq(int, enum intr_trigger, enum intr_polarity); |
| | 75 | |
| | 76 | #endif /* !_ARCH_APIC_IOAPIC_ABI_H_ */ |
mneumann's projects / dragonfly.git / blame_incremental