xref: /freebsd/sys/amd64/vmm/amd/amdv.c (revision b2d48be1bc7df45ddd13b143a160d0acb5a383c5)
1 /*-
2  * Copyright (c) 2011 NetApp, Inc.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  *
26  * $FreeBSD$
27  */
28 
29 #include <sys/cdefs.h>
30 __FBSDID("$FreeBSD$");
31 
32 #include <sys/param.h>
33 #include <sys/systm.h>
34 #include <sys/errno.h>
35 
36 #include <machine/vmm.h>
37 #include "io/iommu.h"
38 
39 static int
40 amd_iommu_init(void)
41 {
42 
43 	printf("amd_iommu_init: not implemented\n");
44 	return (ENXIO);
45 }
46 
47 static void
48 amd_iommu_cleanup(void)
49 {
50 
51 	printf("amd_iommu_cleanup: not implemented\n");
52 }
53 
54 static void
55 amd_iommu_enable(void)
56 {
57 
58 	printf("amd_iommu_enable: not implemented\n");
59 }
60 
61 static void
62 amd_iommu_disable(void)
63 {
64 
65 	printf("amd_iommu_disable: not implemented\n");
66 }
67 
68 static void *
69 amd_iommu_create_domain(vm_paddr_t maxaddr)
70 {
71 
72 	printf("amd_iommu_create_domain: not implemented\n");
73 	return (NULL);
74 }
75 
76 static void
77 amd_iommu_destroy_domain(void *domain)
78 {
79 
80 	printf("amd_iommu_destroy_domain: not implemented\n");
81 }
82 
83 static uint64_t
84 amd_iommu_create_mapping(void *domain, vm_paddr_t gpa, vm_paddr_t hpa,
85 			 uint64_t len)
86 {
87 
88 	printf("amd_iommu_create_mapping: not implemented\n");
89 	return (0);
90 }
91 
92 static uint64_t
93 amd_iommu_remove_mapping(void *domain, vm_paddr_t gpa, uint64_t len)
94 {
95 
96 	printf("amd_iommu_remove_mapping: not implemented\n");
97 	return (0);
98 }
99 
100 static void
101 amd_iommu_add_device(void *domain, uint16_t rid)
102 {
103 
104 	printf("amd_iommu_add_device: not implemented\n");
105 }
106 
107 static void
108 amd_iommu_remove_device(void *domain, uint16_t rid)
109 {
110 
111 	printf("amd_iommu_remove_device: not implemented\n");
112 }
113 
114 static void
115 amd_iommu_invalidate_tlb(void *domain)
116 {
117 
118 	printf("amd_iommu_invalidate_tlb: not implemented\n");
119 }
120 
121 struct iommu_ops iommu_ops_amd = {
122 	amd_iommu_init,
123 	amd_iommu_cleanup,
124 	amd_iommu_enable,
125 	amd_iommu_disable,
126 	amd_iommu_create_domain,
127 	amd_iommu_destroy_domain,
128 	amd_iommu_create_mapping,
129 	amd_iommu_remove_mapping,
130 	amd_iommu_add_device,
131 	amd_iommu_remove_device,
132 	amd_iommu_invalidate_tlb,
133 };
134