Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/amd64/vmm/io/vatpic.h
Version:
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1 /*- 2 * Copyright (c) 2014 Tycho Nightingale <tycho.nightingale@pluribusnetworks.com> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 * $FreeBSD$ 27 */ 28 29 #ifndef _VATPIC_H_ 30 #define _VATPIC_H_ 31 32 #include <isa/isareg.h> 33 34 #define ICU_IMR_OFFSET 1 35 36 #define IO_ELCR1 0x4d0 37 #define IO_ELCR2 0x4d1 38 39 struct vm_snapshot_meta; 40 41 struct vatpic *vatpic_init(struct vm *vm); 42 void vatpic_cleanup(struct vatpic *vatpic); 43 44 int vatpic_master_handler(struct vm *vm, bool in, int port, int bytes, 45 uint32_t *eax); 46 int vatpic_slave_handler(struct vm *vm, bool in, int port, int bytes, 47 uint32_t *eax); 48 int vatpic_elc_handler(struct vm *vm, bool in, int port, int bytes, 49 uint32_t *eax); 50 51 int vatpic_assert_irq(struct vm *vm, int irq); 52 int vatpic_deassert_irq(struct vm *vm, int irq); 53 int vatpic_pulse_irq(struct vm *vm, int irq); 54 int vatpic_set_irq_trigger(struct vm *vm, int irq, enum vm_intr_trigger trigger); 55 56 void vatpic_pending_intr(struct vm *vm, int *vecptr); 57 void vatpic_intr_accepted(struct vm *vm, int vector); 58 59 #ifdef BHYVE_SNAPSHOT 60 int vatpic_snapshot(struct vatpic *vatpic, struct vm_snapshot_meta *meta); 61 #endif 62 63 #endif /* _VATPIC_H_ */
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