2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2011 NetApp, Inc.
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8 * modification, are permitted provided that the following conditions
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11 * notice, this list of conditions and the following disclaimer.
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14 * documentation and/or other materials provided with the distribution.
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34 typedef int (*iommu_init_func_t)(void);
35 typedef void (*iommu_cleanup_func_t)(void);
36 typedef void (*iommu_enable_func_t)(void);
37 typedef void (*iommu_disable_func_t)(void);
38 typedef void *(*iommu_create_domain_t)(vm_paddr_t maxaddr);
39 typedef void (*iommu_destroy_domain_t)(void *domain);
40 typedef uint64_t (*iommu_create_mapping_t)(void *domain, vm_paddr_t gpa,
41 vm_paddr_t hpa, uint64_t len);
42 typedef uint64_t (*iommu_remove_mapping_t)(void *domain, vm_paddr_t gpa,
44 typedef void (*iommu_add_device_t)(void *domain, uint16_t rid);
45 typedef void (*iommu_remove_device_t)(void *dom, uint16_t rid);
46 typedef void (*iommu_invalidate_tlb_t)(void *dom);
49 iommu_init_func_t init; /* module wide */
50 iommu_cleanup_func_t cleanup;
51 iommu_enable_func_t enable;
52 iommu_disable_func_t disable;
54 iommu_create_domain_t create_domain; /* domain-specific */
55 iommu_destroy_domain_t destroy_domain;
56 iommu_create_mapping_t create_mapping;
57 iommu_remove_mapping_t remove_mapping;
58 iommu_add_device_t add_device;
59 iommu_remove_device_t remove_device;
60 iommu_invalidate_tlb_t invalidate_tlb;
63 extern struct iommu_ops iommu_ops_intel;
64 extern struct iommu_ops iommu_ops_amd;
66 void iommu_cleanup(void);
67 void *iommu_host_domain(void);
68 void *iommu_create_domain(vm_paddr_t maxaddr);
69 void iommu_destroy_domain(void *dom);
70 void iommu_create_mapping(void *dom, vm_paddr_t gpa, vm_paddr_t hpa,
72 void iommu_remove_mapping(void *dom, vm_paddr_t gpa, size_t len);
73 void iommu_add_device(void *dom, uint16_t rid);
74 void iommu_remove_device(void *dom, uint16_t rid);
75 void iommu_invalidate_tlb(void *domain);