mirror of
https://git.FreeBSD.org/src.git
synced 2024-11-25 07:49:18 +00:00
75 lines
2.6 KiB
C
75 lines
2.6 KiB
C
/*-
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*
|
|
* Copyright (c) 2011 NetApp, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* 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.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``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 NETAPP, INC 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 _VMM_LAPIC_H_
|
|
#define _VMM_LAPIC_H_
|
|
|
|
struct vcpu;
|
|
struct vm;
|
|
|
|
bool lapic_msr(u_int num);
|
|
int lapic_rdmsr(struct vcpu *vcpu, u_int msr, uint64_t *rval, bool *retu);
|
|
int lapic_wrmsr(struct vcpu *vcpu, u_int msr, uint64_t wval, bool *retu);
|
|
|
|
int lapic_mmio_read(struct vcpu *vcpu, uint64_t gpa,
|
|
uint64_t *rval, int size, void *arg);
|
|
int lapic_mmio_write(struct vcpu *vcpu, uint64_t gpa,
|
|
uint64_t wval, int size, void *arg);
|
|
|
|
/*
|
|
* Signals to the LAPIC that an interrupt at 'vector' needs to be generated
|
|
* to the 'cpu', the state is recorded in IRR.
|
|
*/
|
|
int lapic_set_intr(struct vcpu *vcpu, int vector, bool trig);
|
|
|
|
#define LAPIC_TRIG_LEVEL true
|
|
#define LAPIC_TRIG_EDGE false
|
|
static __inline int
|
|
lapic_intr_level(struct vcpu *vcpu, int vector)
|
|
{
|
|
|
|
return (lapic_set_intr(vcpu, vector, LAPIC_TRIG_LEVEL));
|
|
}
|
|
|
|
static __inline int
|
|
lapic_intr_edge(struct vcpu *vcpu, int vector)
|
|
{
|
|
|
|
return (lapic_set_intr(vcpu, vector, LAPIC_TRIG_EDGE));
|
|
}
|
|
|
|
/*
|
|
* Triggers the LAPIC local interrupt (LVT) 'vector' on 'cpu'. 'cpu' can
|
|
* be set to -1 to trigger the interrupt on all CPUs.
|
|
*/
|
|
int lapic_set_local_intr(struct vm *vm, struct vcpu *vcpu, int vector);
|
|
|
|
int lapic_intr_msi(struct vm *vm, uint64_t addr, uint64_t msg);
|
|
|
|
#endif
|