xref: /freebsd/sys/amd64/vmm/amd/amdv.c (revision 7ef62cebc2f965b0f640263e179276928885e33d)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright (c) 2011 NetApp, Inc.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  *
28  * $FreeBSD$
29  */
30 
31 #include <sys/cdefs.h>
32 __FBSDID("$FreeBSD$");
33 
34 #include <sys/param.h>
35 #include <sys/systm.h>
36 #include <sys/errno.h>
37 
38 #include <machine/vmm.h>
39 #include "io/iommu.h"
40 
41 static int
42 amd_iommu_init(void)
43 {
44 
45 	printf("amd_iommu_init: not implemented\n");
46 	return (ENXIO);
47 }
48 
49 static void
50 amd_iommu_cleanup(void)
51 {
52 
53 	printf("amd_iommu_cleanup: not implemented\n");
54 }
55 
56 static void
57 amd_iommu_enable(void)
58 {
59 
60 	printf("amd_iommu_enable: not implemented\n");
61 }
62 
63 static void
64 amd_iommu_disable(void)
65 {
66 
67 	printf("amd_iommu_disable: not implemented\n");
68 }
69 
70 static void *
71 amd_iommu_create_domain(vm_paddr_t maxaddr)
72 {
73 
74 	printf("amd_iommu_create_domain: not implemented\n");
75 	return (NULL);
76 }
77 
78 static void
79 amd_iommu_destroy_domain(void *domain)
80 {
81 
82 	printf("amd_iommu_destroy_domain: not implemented\n");
83 }
84 
85 static uint64_t
86 amd_iommu_create_mapping(void *domain, vm_paddr_t gpa, vm_paddr_t hpa,
87 			 uint64_t len)
88 {
89 
90 	printf("amd_iommu_create_mapping: not implemented\n");
91 	return (0);
92 }
93 
94 static uint64_t
95 amd_iommu_remove_mapping(void *domain, vm_paddr_t gpa, uint64_t len)
96 {
97 
98 	printf("amd_iommu_remove_mapping: not implemented\n");
99 	return (0);
100 }
101 
102 static void
103 amd_iommu_add_device(void *domain, uint16_t rid)
104 {
105 
106 	printf("amd_iommu_add_device: not implemented\n");
107 }
108 
109 static void
110 amd_iommu_remove_device(void *domain, uint16_t rid)
111 {
112 
113 	printf("amd_iommu_remove_device: not implemented\n");
114 }
115 
116 static void
117 amd_iommu_invalidate_tlb(void *domain)
118 {
119 
120 	printf("amd_iommu_invalidate_tlb: not implemented\n");
121 }
122 
123 struct iommu_ops iommu_ops_amd = {
124 	amd_iommu_init,
125 	amd_iommu_cleanup,
126 	amd_iommu_enable,
127 	amd_iommu_disable,
128 	amd_iommu_create_domain,
129 	amd_iommu_destroy_domain,
130 	amd_iommu_create_mapping,
131 	amd_iommu_remove_mapping,
132 	amd_iommu_add_device,
133 	amd_iommu_remove_device,
134 	amd_iommu_invalidate_tlb,
135 };
136