1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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 * $FreeBSD$
31 */
32
33 #ifndef _MACHINE_PMAP_BASE_H_
34 #define _MACHINE_PMAP_BASE_H_
35
36 /* Internal flags for pmap_mapdev_attr(). */
37 #define MAPDEV_SETATTR 0x0000001 /* Modify existing attrs. */
38
39 struct pmap_methods {
40 void (*pm_ksetrw)(vm_offset_t);
41 void (*pm_remap_lower)(bool);
42 void (*pm_remap_lowptdi)(bool);
43 void (*pm_align_superpage)(vm_object_t object, vm_ooffset_t offset,
44 vm_offset_t *addr, vm_size_t size);
45 vm_offset_t (*pm_quick_enter_page)(vm_page_t m);
46 void (*pm_quick_remove_page)(vm_offset_t addr);
47 void *(*pm_trm_alloc)(size_t size, int flags);
48 void (*pm_trm_free)(void *addr, size_t size);
49 vm_offset_t (*pm_get_map_low)(void);
50 vm_offset_t (*pm_get_vm_maxuser_address)(void);
51 vm_paddr_t (*pm_kextract)(vm_offset_t va);
52 vm_paddr_t (*pm_pg_frame)(vm_paddr_t pa);
53 void (*pm_sf_buf_map)(struct sf_buf *sf);
54 void (*pm_cp_slow0_map)(vm_offset_t kaddr, int plen, vm_page_t *ma);
55 u_int (*pm_get_kcr3)(void);
56 u_int (*pm_get_cr3)(pmap_t);
57 caddr_t (*pm_cmap3)(vm_paddr_t pa, u_int pte_flags);
58 void (*pm_basemem_setup)(u_int basemem);
59 void (*pm_set_nx)(void);
60 void *(*pm_bios16_enter)(void);
61 void (*pm_bios16_leave)(void *handle);
62 void (*pm_bootstrap)(vm_paddr_t firstaddr);
63 boolean_t (*pm_is_valid_memattr)(pmap_t, vm_memattr_t);
64 int (*pm_cache_bits)(pmap_t, int, boolean_t);
65 bool (*pm_ps_enabled)(pmap_t);
66 void (*pm_pinit0)(pmap_t);
67 int (*pm_pinit)(pmap_t);
68 void (*pm_activate)(struct thread *);
69 void (*pm_activate_boot)(pmap_t);
70 void (*pm_advise)(pmap_t, vm_offset_t, vm_offset_t, int);
71 void (*pm_clear_modify)(vm_page_t);
72 int (*pm_change_attr)(vm_offset_t, vm_size_t, int);
73 int (*pm_mincore)(pmap_t, vm_offset_t, vm_paddr_t *);
74 void (*pm_copy)(pmap_t, pmap_t, vm_offset_t, vm_size_t, vm_offset_t);
75 void (*pm_copy_page)(vm_page_t, vm_page_t);
76 void (*pm_copy_pages)(vm_page_t [], vm_offset_t, vm_page_t [],
77 vm_offset_t, int);
78 void (*pm_zero_page)(vm_page_t);
79 void (*pm_zero_page_area)(vm_page_t, int, int);
80 int (*pm_enter)(pmap_t, vm_offset_t, vm_page_t, vm_prot_t, u_int,
81 int8_t);
82 void (*pm_enter_object)(pmap_t, vm_offset_t, vm_offset_t,
83 vm_page_t, vm_prot_t);
84 void (*pm_enter_quick)(pmap_t, vm_offset_t, vm_page_t, vm_prot_t);
85 void *(*pm_kenter_temporary)(vm_paddr_t pa, int);
86 void (*pm_object_init_pt)(pmap_t, vm_offset_t, vm_object_t,
87 vm_pindex_t, vm_size_t);
88 void (*pm_unwire)(pmap_t, vm_offset_t, vm_offset_t);
89 boolean_t (*pm_page_exists_quick)(pmap_t, vm_page_t);
90 int (*pm_page_wired_mappings)(vm_page_t);
91 boolean_t (*pm_page_is_mapped)(vm_page_t);
92 void (*pm_remove_pages)(pmap_t);
93 boolean_t (*pm_is_modified)(vm_page_t);
94 boolean_t (*pm_is_prefaultable)(pmap_t, vm_offset_t);
95 boolean_t (*pm_is_referenced)(vm_page_t);
96 void (*pm_remove_write)(vm_page_t);
97 int (*pm_ts_referenced)(vm_page_t);
98 void *(*pm_mapdev_attr)(vm_paddr_t, vm_size_t, int, int);
99 void (*pm_unmapdev)(vm_offset_t, vm_size_t);
100 void (*pm_page_set_memattr)(vm_page_t, vm_memattr_t);
101 vm_paddr_t (*pm_extract)(pmap_t, vm_offset_t);
102 vm_page_t (*pm_extract_and_hold)(pmap_t, vm_offset_t, vm_prot_t);
103 vm_offset_t (*pm_map)(vm_offset_t *, vm_paddr_t, vm_paddr_t, int);
104 void (*pm_qenter)(vm_offset_t sva, vm_page_t *, int);
105 void (*pm_qremove)(vm_offset_t, int);
106 void (*pm_release)(pmap_t);
107 void (*pm_protect)(pmap_t, vm_offset_t, vm_offset_t, vm_prot_t);
108 void (*pm_remove)(pmap_t, vm_offset_t, vm_offset_t);
109 void (*pm_remove_all)(vm_page_t);
110 void (*pm_init)(void);
111 void (*pm_init_pat)(void);
112 void (*pm_growkernel)(vm_offset_t);
113 void (*pm_invalidate_page)(pmap_t, vm_offset_t);
114 void (*pm_invalidate_range)(pmap_t, vm_offset_t, vm_offset_t);
115 void (*pm_invalidate_all)(pmap_t);
116 void (*pm_invalidate_cache)(void);
117 void (*pm_flush_page)(vm_page_t);
118 void (*pm_kenter)(vm_offset_t, vm_paddr_t);
119 void (*pm_kremove)(vm_offset_t);
120 int (*pm_sysctl_kmaps)(SYSCTL_HANDLER_ARGS);
121 };
122
123 void pmap_cold(void);
124 void pmap_pae_cold(void);
125 void pmap_nopae_cold(void);
126
127 #endif
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