1/*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 2018 The FreeBSD Foundation
5 *
6 * This software was developed by Konstantin Belousov <kib@FreeBSD.org>
7 * under sponsorship from the FreeBSD Foundation.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 */
30
31#ifndef _MACHINE_PMAP_BASE_H_
32#define _MACHINE_PMAP_BASE_H_
33
34/* Internal flags for pmap_mapdev_attr(). */
35#define MAPDEV_SETATTR 0x0000001 /* Modify existing attrs. */
36
37struct pmap_methods {
38 void (*pm_ksetrw)(vm_offset_t);
39 void (*pm_remap_lower)(bool);
40 void (*pm_remap_lowptdi)(bool);
41 void (*pm_align_superpage)(vm_object_t object, vm_ooffset_t offset,
42 vm_offset_t *addr, vm_size_t size);
43 vm_offset_t (*pm_quick_enter_page)(vm_page_t m);
44 void (*pm_quick_remove_page)(vm_offset_t addr);
45 void *(*pm_trm_alloc)(size_t size, int flags);
46 void (*pm_trm_free)(void *addr, size_t size);
47 vm_offset_t (*pm_get_map_low)(void);
48 vm_offset_t (*pm_get_vm_maxuser_address)(void);
49 vm_paddr_t (*pm_kextract)(vm_offset_t va);
50 vm_paddr_t (*pm_pg_frame)(vm_paddr_t pa);
51 void (*pm_sf_buf_map)(struct sf_buf *sf);
52 void (*pm_cp_slow0_map)(vm_offset_t kaddr, int plen, vm_page_t *ma);
53 u_int (*pm_get_kcr3)(void);
54 u_int (*pm_get_cr3)(pmap_t);
55 caddr_t (*pm_cmap3)(vm_paddr_t pa, u_int pte_flags);
56 void (*pm_basemem_setup)(u_int basemem);
57 void (*pm_set_nx)(void);
58 void *(*pm_bios16_enter)(void);
59 void (*pm_bios16_leave)(void *handle);
60 void (*pm_bootstrap)(vm_paddr_t firstaddr);
61 bool (*pm_is_valid_memattr)(pmap_t, vm_memattr_t);
62 int (*pm_cache_bits)(pmap_t, int, bool);
63 bool (*pm_ps_enabled)(pmap_t);
64 void (*pm_pinit0)(pmap_t);
65 int (*pm_pinit)(pmap_t);
66 void (*pm_activate)(struct thread *);
67 void (*pm_activate_boot)(pmap_t);
68 void (*pm_advise)(pmap_t, vm_offset_t, vm_offset_t, int);
69 void (*pm_clear_modify)(vm_page_t);
70 int (*pm_change_attr)(vm_offset_t, vm_size_t, int);
71 int (*pm_mincore)(pmap_t, vm_offset_t, vm_paddr_t *);
72 void (*pm_copy)(pmap_t, pmap_t, vm_offset_t, vm_size_t, vm_offset_t);
73 void (*pm_copy_page)(vm_page_t, vm_page_t);
74 void (*pm_copy_pages)(vm_page_t [], vm_offset_t, vm_page_t [],
75 vm_offset_t, int);
76 void (*pm_zero_page)(vm_page_t);
77 void (*pm_zero_page_area)(vm_page_t, int, int);
78 int (*pm_enter)(pmap_t, vm_offset_t, vm_page_t, vm_prot_t, u_int,
79 int8_t);
80 void (*pm_enter_object)(pmap_t, vm_offset_t, vm_offset_t,
81 vm_page_t, vm_prot_t);
82 void (*pm_enter_quick)(pmap_t, vm_offset_t, vm_page_t, vm_prot_t);
83 void *(*pm_kenter_temporary)(vm_paddr_t pa, int);
84 void (*pm_object_init_pt)(pmap_t, vm_offset_t, vm_object_t,
85 vm_pindex_t, vm_size_t);
86 void (*pm_unwire)(pmap_t, vm_offset_t, vm_offset_t);
87 bool (*pm_page_exists_quick)(pmap_t, vm_page_t);
88 int (*pm_page_wired_mappings)(vm_page_t);
89 bool (*pm_page_is_mapped)(vm_page_t);
90 void (*pm_remove_pages)(pmap_t);
91 bool (*pm_is_modified)(vm_page_t);
92 bool (*pm_is_prefaultable)(pmap_t, vm_offset_t);
93 bool (*pm_is_referenced)(vm_page_t);
94 void (*pm_remove_write)(vm_page_t);
95 int (*pm_ts_referenced)(vm_page_t);
96 void *(*pm_mapdev_attr)(vm_paddr_t, vm_size_t, int, int);
97 void (*pm_unmapdev)(void *, vm_size_t);
98 void (*pm_page_set_memattr)(vm_page_t, vm_memattr_t);
99 vm_paddr_t (*pm_extract)(pmap_t, vm_offset_t);
100 vm_page_t (*pm_extract_and_hold)(pmap_t, vm_offset_t, vm_prot_t);
101 vm_offset_t (*pm_map)(vm_offset_t *, vm_paddr_t, vm_paddr_t, int);
102 void (*pm_qenter)(vm_offset_t sva, vm_page_t *, int);
103 void (*pm_qremove)(vm_offset_t, int);
104 void (*pm_release)(pmap_t);
105 void (*pm_protect)(pmap_t, vm_offset_t, vm_offset_t, vm_prot_t);
106 void (*pm_remove)(pmap_t, vm_offset_t, vm_offset_t);
107 void (*pm_remove_all)(vm_page_t);
108 void (*pm_init)(void);
109 void (*pm_init_pat)(void);
110 int (*pm_growkernel)(vm_offset_t);
111 void (*pm_invalidate_page)(pmap_t, vm_offset_t);
112 void (*pm_invalidate_range)(pmap_t, vm_offset_t, vm_offset_t);
113 void (*pm_invalidate_all)(pmap_t);
114 void (*pm_invalidate_cache)(void);
115 void (*pm_flush_page)(vm_page_t);
116 void (*pm_kenter)(vm_offset_t, vm_paddr_t);
117 void (*pm_kremove)(vm_offset_t);
118 int (*pm_sysctl_kmaps)(SYSCTL_HANDLER_ARGS);
119};
120
121void pmap_cold(void);
122void pmap_pae_cold(void);
123void pmap_nopae_cold(void);
124
125#endif