1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2019 Leandro Lupori
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 * $FreeBSD$
28 */
29
30#ifndef	__KVM_POWERPC64_H__
31#define	__KVM_POWERPC64_H__
32
33/* Debug stuff */
34#define	KVM_PPC64_DBG	0
35#if	KVM_PPC64_DBG
36#include <stdio.h>
37#define	dprintf(fmt, ...)	printf(fmt, ## __VA_ARGS__)
38#else
39#define	dprintf(fmt, ...)
40#endif
41
42
43#define	PPC64_KERNBASE		0x100100ULL
44
45/* Page params */
46#define	PPC64_PAGE_SHIFT	12
47#define	PPC64_PAGE_SIZE		(1ULL << PPC64_PAGE_SHIFT)
48#define	PPC64_PAGE_MASK		(PPC64_PAGE_SIZE - 1)
49
50#define	ppc64_round_page(x)	roundup2((kvaddr_t)(x), PPC64_PAGE_SIZE)
51
52#define	PPC64_MMU_G5		"mmu_g5"
53#define	PPC64_MMU_PHYP		"mmu_phyp"
54
55/* MMU interface */
56#define	PPC64_MMU_OPS(kd)	(kd)->vmst->mmu.ops
57#define	PPC64_MMU_OP(kd, op, ...) PPC64_MMU_OPS(kd)->op((kd), ## __VA_ARGS__)
58#define	PPC64_MMU_DATA(kd)	(kd)->vmst->mmu.data
59
60struct ppc64_mmu_ops {
61	int (*init)(kvm_t *);
62	void (*cleanup)(kvm_t *);
63	int (*kvatop)(kvm_t *, kvaddr_t, off_t *);
64	int (*walk_pages)(kvm_t *, kvm_walk_pages_cb_t *, void *);
65};
66
67struct ppc64_mmu {
68	struct ppc64_mmu_ops *ops;
69	void *data;
70};
71
72struct vmstate {
73	struct minidumphdr hdr;
74	uint64_t kimg_start;
75	uint64_t kimg_end;
76	struct ppc64_mmu mmu;
77};
78
79extern struct ppc64_mmu_ops *ppc64_mmu_ops_hpt;
80
81#endif /* !__KVM_POWERPC64_H__ */
82