xref: /freebsd/sys/amd64/vmm/amd/amdv.c (revision 22cf89c938886d14f5796fc49f9f020c23ea8eaf)
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 
29 #include <sys/cdefs.h>
30 #include <sys/param.h>
31 #include <sys/systm.h>
32 #include <sys/errno.h>
33 
34 #include <machine/vmm.h>
35 #include "io/iommu.h"
36 
37 static int
38 amd_iommu_init(void)
39 {
40 
41 	printf("amd_iommu_init: not implemented\n");
42 	return (ENXIO);
43 }
44 
45 static void
46 amd_iommu_cleanup(void)
47 {
48 
49 	printf("amd_iommu_cleanup: not implemented\n");
50 }
51 
52 static void
53 amd_iommu_enable(void)
54 {
55 
56 	printf("amd_iommu_enable: not implemented\n");
57 }
58 
59 static void
60 amd_iommu_disable(void)
61 {
62 
63 	printf("amd_iommu_disable: not implemented\n");
64 }
65 
66 static void *
67 amd_iommu_create_domain(vm_paddr_t maxaddr)
68 {
69 
70 	printf("amd_iommu_create_domain: not implemented\n");
71 	return (NULL);
72 }
73 
74 static void
75 amd_iommu_destroy_domain(void *domain)
76 {
77 
78 	printf("amd_iommu_destroy_domain: not implemented\n");
79 }
80 
81 static uint64_t
82 amd_iommu_create_mapping(void *domain, vm_paddr_t gpa, vm_paddr_t hpa,
83 			 uint64_t len)
84 {
85 
86 	printf("amd_iommu_create_mapping: not implemented\n");
87 	return (0);
88 }
89 
90 static uint64_t
91 amd_iommu_remove_mapping(void *domain, vm_paddr_t gpa, uint64_t len)
92 {
93 
94 	printf("amd_iommu_remove_mapping: not implemented\n");
95 	return (0);
96 }
97 
98 static void
99 amd_iommu_add_device(void *domain, uint16_t rid)
100 {
101 
102 	printf("amd_iommu_add_device: not implemented\n");
103 }
104 
105 static void
106 amd_iommu_remove_device(void *domain, uint16_t rid)
107 {
108 
109 	printf("amd_iommu_remove_device: not implemented\n");
110 }
111 
112 static void
113 amd_iommu_invalidate_tlb(void *domain)
114 {
115 
116 	printf("amd_iommu_invalidate_tlb: not implemented\n");
117 }
118 
119 struct iommu_ops iommu_ops_amd = {
120 	amd_iommu_init,
121 	amd_iommu_cleanup,
122 	amd_iommu_enable,
123 	amd_iommu_disable,
124 	amd_iommu_create_domain,
125 	amd_iommu_destroy_domain,
126 	amd_iommu_create_mapping,
127 	amd_iommu_remove_mapping,
128 	amd_iommu_add_device,
129 	amd_iommu_remove_device,
130 	amd_iommu_invalidate_tlb,
131 };
132