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