1/* SPDX-License-Identifier: GPL-2.0 */
2/* Copyright (c) 2021-2022, NVIDIA CORPORATION & AFFILIATES.
3 */
4#ifndef _UAPI_IOMMUFD_TEST_H
5#define _UAPI_IOMMUFD_TEST_H
6
7#include <linux/types.h>
8#include <linux/iommufd.h>
9
10enum {
11	IOMMU_TEST_OP_ADD_RESERVED = 1,
12	IOMMU_TEST_OP_MOCK_DOMAIN,
13	IOMMU_TEST_OP_MD_CHECK_MAP,
14	IOMMU_TEST_OP_MD_CHECK_REFS,
15	IOMMU_TEST_OP_CREATE_ACCESS,
16	IOMMU_TEST_OP_DESTROY_ACCESS_PAGES,
17	IOMMU_TEST_OP_ACCESS_PAGES,
18	IOMMU_TEST_OP_ACCESS_RW,
19	IOMMU_TEST_OP_SET_TEMP_MEMORY_LIMIT,
20	IOMMU_TEST_OP_MOCK_DOMAIN_REPLACE,
21	IOMMU_TEST_OP_ACCESS_REPLACE_IOAS,
22};
23
24enum {
25	MOCK_APERTURE_START = 1UL << 24,
26	MOCK_APERTURE_LAST = (1UL << 31) - 1,
27};
28
29enum {
30	MOCK_FLAGS_ACCESS_WRITE = 1 << 0,
31	MOCK_FLAGS_ACCESS_SYZ = 1 << 16,
32};
33
34enum {
35	MOCK_ACCESS_RW_WRITE = 1 << 0,
36	MOCK_ACCESS_RW_SLOW_PATH = 1 << 2,
37};
38
39enum {
40	MOCK_FLAGS_ACCESS_CREATE_NEEDS_PIN_PAGES = 1 << 0,
41};
42
43struct iommu_test_cmd {
44	__u32 size;
45	__u32 op;
46	__u32 id;
47	__u32 __reserved;
48	union {
49		struct {
50			__aligned_u64 start;
51			__aligned_u64 length;
52		} add_reserved;
53		struct {
54			__u32 out_stdev_id;
55			__u32 out_hwpt_id;
56			/* out_idev_id is the standard iommufd_bind object */
57			__u32 out_idev_id;
58		} mock_domain;
59		struct {
60			__u32 pt_id;
61		} mock_domain_replace;
62		struct {
63			__aligned_u64 iova;
64			__aligned_u64 length;
65			__aligned_u64 uptr;
66		} check_map;
67		struct {
68			__aligned_u64 length;
69			__aligned_u64 uptr;
70			__u32 refs;
71		} check_refs;
72		struct {
73			__u32 out_access_fd;
74			__u32 flags;
75		} create_access;
76		struct {
77			__u32 access_pages_id;
78		} destroy_access_pages;
79		struct {
80			__u32 flags;
81			__u32 out_access_pages_id;
82			__aligned_u64 iova;
83			__aligned_u64 length;
84			__aligned_u64 uptr;
85		} access_pages;
86		struct {
87			__aligned_u64 iova;
88			__aligned_u64 length;
89			__aligned_u64 uptr;
90			__u32 flags;
91		} access_rw;
92		struct {
93			__u32 limit;
94		} memory_limit;
95		struct {
96			__u32 ioas_id;
97		} access_replace_ioas;
98	};
99	__u32 last;
100};
101#define IOMMU_TEST_CMD _IO(IOMMUFD_TYPE, IOMMUFD_CMD_BASE + 32)
102
103/* Mock structs for IOMMU_DEVICE_GET_HW_INFO ioctl */
104#define IOMMU_HW_INFO_TYPE_SELFTEST	0xfeedbeef
105#define IOMMU_HW_INFO_SELFTEST_REGVAL	0xdeadbeef
106
107struct iommu_test_hw_info {
108	__u32 flags;
109	__u32 test_reg;
110};
111
112#endif
113