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1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * tools/testing/selftests/kvm/lib/kvm_util_internal.h
4 *
5 * Copyright (C) 2018, Google LLC.
6 */
7
8#ifndef SELFTEST_KVM_UTIL_INTERNAL_H
9#define SELFTEST_KVM_UTIL_INTERNAL_H
10
11#include "sparsebit.h"
12
13#define KVM_DEV_PATH "/dev/kvm"
14
15struct userspace_mem_region {
16 struct userspace_mem_region *next, *prev;
17 struct kvm_userspace_memory_region region;
18 struct sparsebit *unused_phy_pages;
19 int fd;
20 off_t offset;
21 void *host_mem;
22 void *mmap_start;
23 size_t mmap_size;
24};
25
26struct vcpu {
27 struct vcpu *next, *prev;
28 uint32_t id;
29 int fd;
30 struct kvm_run *state;
31};
32
33struct kvm_vm {
34 int mode;
35 unsigned long type;
36 int kvm_fd;
37 int fd;
38 unsigned int pgtable_levels;
39 unsigned int page_size;
40 unsigned int page_shift;
41 unsigned int pa_bits;
42 unsigned int va_bits;
43 uint64_t max_gfn;
44 struct vcpu *vcpu_head;
45 struct userspace_mem_region *userspace_mem_region_head;
46 struct sparsebit *vpages_valid;
47 struct sparsebit *vpages_mapped;
48 bool has_irqchip;
49 bool pgd_created;
50 vm_paddr_t pgd;
51 vm_vaddr_t gdt;
52 vm_vaddr_t tss;
53};
54
55struct vcpu *vcpu_find(struct kvm_vm *vm, uint32_t vcpuid);
56
57/*
58 * Virtual Translation Tables Dump
59 *
60 * Input Args:
61 * stream - Output FILE stream
62 * vm - Virtual Machine
63 * indent - Left margin indent amount
64 *
65 * Output Args: None
66 *
67 * Return: None
68 *
69 * Dumps to the FILE stream given by @stream, the contents of all the
70 * virtual translation tables for the VM given by @vm.
71 */
72void virt_dump(FILE *stream, struct kvm_vm *vm, uint8_t indent);
73
74/*
75 * Register Dump
76 *
77 * Input Args:
78 * stream - Output FILE stream
79 * regs - Registers
80 * indent - Left margin indent amount
81 *
82 * Output Args: None
83 *
84 * Return: None
85 *
86 * Dumps the state of the registers given by @regs, to the FILE stream
87 * given by @stream.
88 */
89void regs_dump(FILE *stream, struct kvm_regs *regs, uint8_t indent);
90
91/*
92 * System Register Dump
93 *
94 * Input Args:
95 * stream - Output FILE stream
96 * sregs - System registers
97 * indent - Left margin indent amount
98 *
99 * Output Args: None
100 *
101 * Return: None
102 *
103 * Dumps the state of the system registers given by @sregs, to the FILE stream
104 * given by @stream.
105 */
106void sregs_dump(FILE *stream, struct kvm_sregs *sregs, uint8_t indent);
107
108struct userspace_mem_region *
109memslot2region(struct kvm_vm *vm, uint32_t memslot);
110
111#endif /* SELFTEST_KVM_UTIL_INTERNAL_H */