1/*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2023 Arm Ltd 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28#include <sys/cdefs.h> 29#include <sys/types.h> 30#include <sys/systm.h> 31#include <sys/bus.h> 32 33#include "vgic.h" 34#include "vgic_if.h" 35 36device_t vgic_dev; 37 38bool 39vgic_present(void) 40{ 41 return (vgic_dev != NULL); 42} 43 44void 45vgic_init(void) 46{ 47 VGIC_INIT(vgic_dev); 48} 49 50int 51vgic_attach_to_vm(struct hyp *hyp, struct vm_vgic_descr *descr) 52{ 53 return (VGIC_ATTACH_TO_VM(vgic_dev, hyp, descr)); 54} 55 56void 57vgic_detach_from_vm(struct hyp *hyp) 58{ 59 VGIC_DETACH_FROM_VM(vgic_dev, hyp); 60} 61 62void 63vgic_vminit(struct hyp *hyp) 64{ 65 VGIC_VMINIT(vgic_dev, hyp); 66} 67 68void 69vgic_cpuinit(struct hypctx *hypctx) 70{ 71 VGIC_CPUINIT(vgic_dev, hypctx); 72} 73 74void 75vgic_cpucleanup(struct hypctx *hypctx) 76{ 77 VGIC_CPUCLEANUP(vgic_dev, hypctx); 78} 79 80void 81vgic_vmcleanup(struct hyp *hyp) 82{ 83 VGIC_VMCLEANUP(vgic_dev, hyp); 84} 85 86int 87vgic_max_cpu_count(struct hyp *hyp) 88{ 89 return (VGIC_MAX_CPU_COUNT(vgic_dev, hyp)); 90} 91 92bool 93vgic_has_pending_irq(struct hypctx *hypctx) 94{ 95 return (VGIC_HAS_PENDING_IRQ(vgic_dev, hypctx)); 96} 97 98/* TODO: vcpuid -> hypctx ? */ 99/* TODO: Add a vgic interface */ 100int 101vgic_inject_irq(struct hyp *hyp, int vcpuid, uint32_t irqid, bool level) 102{ 103 return (VGIC_INJECT_IRQ(vgic_dev, hyp, vcpuid, irqid, level)); 104} 105 106int 107vgic_inject_msi(struct hyp *hyp, uint64_t msg, uint64_t addr) 108{ 109 return (VGIC_INJECT_MSI(vgic_dev, hyp, msg, addr)); 110} 111 112void 113vgic_flush_hwstate(struct hypctx *hypctx) 114{ 115 VGIC_FLUSH_HWSTATE(vgic_dev, hypctx); 116} 117 118void 119vgic_sync_hwstate(struct hypctx *hypctx) 120{ 121 VGIC_SYNC_HWSTATE(vgic_dev, hypctx); 122} 123