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
amd_iommu_init(void)38 amd_iommu_init(void)
39 {
40
41 printf("amd_iommu_init: not implemented\n");
42 return (ENXIO);
43 }
44
45 static void
amd_iommu_cleanup(void)46 amd_iommu_cleanup(void)
47 {
48
49 printf("amd_iommu_cleanup: not implemented\n");
50 }
51
52 static void
amd_iommu_enable(void)53 amd_iommu_enable(void)
54 {
55
56 printf("amd_iommu_enable: not implemented\n");
57 }
58
59 static void
amd_iommu_disable(void)60 amd_iommu_disable(void)
61 {
62
63 printf("amd_iommu_disable: not implemented\n");
64 }
65
66 static void *
amd_iommu_create_domain(vm_paddr_t maxaddr)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
amd_iommu_destroy_domain(void * domain)75 amd_iommu_destroy_domain(void *domain)
76 {
77
78 printf("amd_iommu_destroy_domain: not implemented\n");
79 }
80
81 static uint64_t
amd_iommu_create_mapping(void * domain,vm_paddr_t gpa,vm_paddr_t hpa,uint64_t len)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
amd_iommu_remove_mapping(void * domain,vm_paddr_t gpa,uint64_t len)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
amd_iommu_add_device(void * domain,uint16_t rid)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
amd_iommu_remove_device(void * domain,uint16_t rid)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
amd_iommu_invalidate_tlb(void * domain)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