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 #ifndef _VGIC_H_ 29 #define _VGIC_H_ 30 31 struct hyp; 32 struct hypctx; 33 struct vm_vgic_descr; 34 35 extern device_t vgic_dev; 36 37 bool vgic_present(void); 38 void vgic_init(void); 39 int vgic_attach_to_vm(struct hyp *hyp, struct vm_vgic_descr *descr); 40 void vgic_detach_from_vm(struct hyp *hyp); 41 void vgic_vminit(struct hyp *hyp); 42 void vgic_cpuinit(struct hypctx *hypctx); 43 void vgic_cpucleanup(struct hypctx *hypctx); 44 void vgic_vmcleanup(struct hyp *hyp); 45 int vgic_max_cpu_count(struct hyp *hyp); 46 bool vgic_has_pending_irq(struct hypctx *hypctx); 47 int vgic_inject_irq(struct hyp *hyp, int vcpuid, uint32_t irqid, bool level); 48 int vgic_inject_msi(struct hyp *hyp, uint64_t msg, uint64_t addr); 49 void vgic_flush_hwstate(struct hypctx *hypctx); 50 void vgic_sync_hwstate(struct hypctx *hypctx); 51 52 #endif /* _VGIC_H_ */ 53