2 * Copyright (c) 2011 NetApp, Inc.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
14 * THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND
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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)
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23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 typedef int (*iommu_init_func_t)(void);
33 typedef void (*iommu_cleanup_func_t)(void);
34 typedef void (*iommu_enable_func_t)(void);
35 typedef void (*iommu_disable_func_t)(void);
36 typedef void *(*iommu_create_domain_t)(vm_paddr_t maxaddr);
37 typedef void (*iommu_destroy_domain_t)(void *domain);
38 typedef uint64_t (*iommu_create_mapping_t)(void *domain, vm_paddr_t gpa,
39 vm_paddr_t hpa, uint64_t len);
40 typedef uint64_t (*iommu_remove_mapping_t)(void *domain, vm_paddr_t gpa,
42 typedef void (*iommu_add_device_t)(void *domain, int bus, int slot, int func);
43 typedef void (*iommu_remove_device_t)(void *dom, int bus, int slot, int func);
44 typedef void (*iommu_invalidate_tlb_t)(void *dom);
47 iommu_init_func_t init; /* module wide */
48 iommu_cleanup_func_t cleanup;
49 iommu_enable_func_t enable;
50 iommu_disable_func_t disable;
52 iommu_create_domain_t create_domain; /* domain-specific */
53 iommu_destroy_domain_t destroy_domain;
54 iommu_create_mapping_t create_mapping;
55 iommu_remove_mapping_t remove_mapping;
56 iommu_add_device_t add_device;
57 iommu_remove_device_t remove_device;
58 iommu_invalidate_tlb_t invalidate_tlb;
61 extern struct iommu_ops iommu_ops_intel;
62 extern struct iommu_ops iommu_ops_amd;
64 void iommu_init(void);
65 void iommu_cleanup(void);
66 void *iommu_host_domain(void);
67 void *iommu_create_domain(vm_paddr_t maxaddr);
68 void iommu_destroy_domain(void *dom);
69 void iommu_create_mapping(void *dom, vm_paddr_t gpa, vm_paddr_t hpa,
71 void iommu_remove_mapping(void *dom, vm_paddr_t gpa, size_t len);
72 void iommu_add_device(void *dom, int bus, int slot, int func);
73 void iommu_remove_device(void *dom, int bus, int slot, int func);
74 void iommu_invalidate_tlb(void *domain);