122 lines
2.7 KiB
C
122 lines
2.7 KiB
C
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/*-
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* Copyright (c) 2011 NetApp, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <machine/vmm.h>
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#include "vmm_ipi.h"
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#include "vmm_lapic.h"
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#include "vlapic.h"
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int
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lapic_write(struct vm *vm, int cpu, u_int offset, uint64_t val)
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{
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int handled;
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struct vlapic *vlapic;
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vlapic = vm_lapic(vm, cpu);
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if (vlapic_op_mem_write(vlapic, offset, DWORD, val) == 0)
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handled = 1;
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else
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handled = 0;
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return (handled);
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}
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int
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lapic_read(struct vm *vm, int cpu, u_int offset, uint64_t *rv)
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{
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int handled;
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struct vlapic *vlapic;
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vlapic = vm_lapic(vm, cpu);
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if (vlapic_op_mem_read(vlapic, offset, DWORD, rv) == 0)
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handled = 1;
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else
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handled = 0;
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return (handled);
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}
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int
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lapic_pending_intr(struct vm *vm, int cpu)
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{
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struct vlapic *vlapic;
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vlapic = vm_lapic(vm, cpu);
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return (vlapic_pending_intr(vlapic));
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}
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void
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lapic_intr_accepted(struct vm *vm, int cpu, int vector)
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{
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struct vlapic *vlapic;
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vlapic = vm_lapic(vm, cpu);
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vlapic_intr_accepted(vlapic, vector);
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}
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int
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lapic_set_intr(struct vm *vm, int cpu, int vector)
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{
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struct vlapic *vlapic;
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if (cpu < 0 || cpu >= VM_MAXCPU)
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return (EINVAL);
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if (vector < 32 || vector > 255)
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return (EINVAL);
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vlapic = vm_lapic(vm, cpu);
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vlapic_set_intr_ready(vlapic, vector);
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vm_interrupt_hostcpu(vm, cpu);
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return (0);
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}
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void
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lapic_timer_tick(struct vm *vm, int cpu)
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{
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struct vlapic *vlapic;
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vlapic = vm_lapic(vm, cpu);
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vlapic_timer_tick(vlapic);
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}
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