1366f6083SPeter Grehan /*- 2c49761ddSPedro F. Giffuni * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3c49761ddSPedro F. Giffuni * 4366f6083SPeter Grehan * Copyright (c) 2011 NetApp, Inc. 5366f6083SPeter Grehan * All rights reserved. 6366f6083SPeter Grehan * 7366f6083SPeter Grehan * Redistribution and use in source and binary forms, with or without 8366f6083SPeter Grehan * modification, are permitted provided that the following conditions 9366f6083SPeter Grehan * are met: 10366f6083SPeter Grehan * 1. Redistributions of source code must retain the above copyright 11366f6083SPeter Grehan * notice, this list of conditions and the following disclaimer. 12366f6083SPeter Grehan * 2. Redistributions in binary form must reproduce the above copyright 13366f6083SPeter Grehan * notice, this list of conditions and the following disclaimer in the 14366f6083SPeter Grehan * documentation and/or other materials provided with the distribution. 15366f6083SPeter Grehan * 16366f6083SPeter Grehan * THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND 17366f6083SPeter Grehan * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18366f6083SPeter Grehan * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19366f6083SPeter Grehan * ARE DISCLAIMED. IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE 20366f6083SPeter Grehan * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21366f6083SPeter Grehan * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22366f6083SPeter Grehan * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23366f6083SPeter Grehan * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24366f6083SPeter Grehan * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25366f6083SPeter Grehan * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26366f6083SPeter Grehan * SUCH DAMAGE. 27366f6083SPeter Grehan * 28366f6083SPeter Grehan * $FreeBSD$ 29366f6083SPeter Grehan */ 30366f6083SPeter Grehan 31366f6083SPeter Grehan #ifndef _VMM_LAPIC_H_ 32366f6083SPeter Grehan #define _VMM_LAPIC_H_ 33366f6083SPeter Grehan 3480cb5d84SJohn Baldwin struct vcpu; 35366f6083SPeter Grehan struct vm; 36366f6083SPeter Grehan 37490d56c5SEd Maste bool lapic_msr(u_int num); 3880cb5d84SJohn Baldwin int lapic_rdmsr(struct vcpu *vcpu, u_int msr, uint64_t *rval, bool *retu); 3980cb5d84SJohn Baldwin int lapic_wrmsr(struct vcpu *vcpu, u_int msr, uint64_t wval, bool *retu); 402d3a73edSNeel Natu 41d3956e46SJohn Baldwin int lapic_mmio_read(struct vcpu *vcpu, uint64_t gpa, 42ba9b7bf7SNeel Natu uint64_t *rval, int size, void *arg); 43d3956e46SJohn Baldwin int lapic_mmio_write(struct vcpu *vcpu, uint64_t gpa, 44ba9b7bf7SNeel Natu uint64_t wval, int size, void *arg); 45a2da7af6SNeel Natu 46366f6083SPeter Grehan /* 47366f6083SPeter Grehan * Signals to the LAPIC that an interrupt at 'vector' needs to be generated 48366f6083SPeter Grehan * to the 'cpu', the state is recorded in IRR. 49366f6083SPeter Grehan */ 50*3f0f4b15SJohn Baldwin int lapic_set_intr(struct vcpu *vcpu, int vector, bool trig); 51b5b28fc9SNeel Natu 52b5b28fc9SNeel Natu #define LAPIC_TRIG_LEVEL true 53b5b28fc9SNeel Natu #define LAPIC_TRIG_EDGE false 54b5b28fc9SNeel Natu static __inline int 55*3f0f4b15SJohn Baldwin lapic_intr_level(struct vcpu *vcpu, int vector) 56b5b28fc9SNeel Natu { 57b5b28fc9SNeel Natu 58*3f0f4b15SJohn Baldwin return (lapic_set_intr(vcpu, vector, LAPIC_TRIG_LEVEL)); 59b5b28fc9SNeel Natu } 60b5b28fc9SNeel Natu 61b5b28fc9SNeel Natu static __inline int 62*3f0f4b15SJohn Baldwin lapic_intr_edge(struct vcpu *vcpu, int vector) 63b5b28fc9SNeel Natu { 64b5b28fc9SNeel Natu 65*3f0f4b15SJohn Baldwin return (lapic_set_intr(vcpu, vector, LAPIC_TRIG_EDGE)); 66b5b28fc9SNeel Natu } 67366f6083SPeter Grehan 68330baf58SJohn Baldwin /* 69330baf58SJohn Baldwin * Triggers the LAPIC local interrupt (LVT) 'vector' on 'cpu'. 'cpu' can 70330baf58SJohn Baldwin * be set to -1 to trigger the interrupt on all CPUs. 71330baf58SJohn Baldwin */ 72*3f0f4b15SJohn Baldwin int lapic_set_local_intr(struct vm *vm, struct vcpu *vcpu, int vector); 73330baf58SJohn Baldwin 744f8be175SNeel Natu int lapic_intr_msi(struct vm *vm, uint64_t addr, uint64_t msg); 75330baf58SJohn Baldwin 76366f6083SPeter Grehan #endif 77