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Linux kernel mirror (for testing)
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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
13struct userspace_mem_region {
14 struct kvm_userspace_memory_region region;
15 struct sparsebit *unused_phy_pages;
16 int fd;
17 off_t offset;
18 void *host_mem;
19 void *mmap_start;
20 size_t mmap_size;
21 struct list_head list;
22};
23
24struct vcpu {
25 struct list_head list;
26 uint32_t id;
27 int fd;
28 struct kvm_run *state;
29 struct kvm_dirty_gfn *dirty_gfns;
30 uint32_t fetch_index;
31 uint32_t dirty_gfns_count;
32};
33
34struct kvm_vm {
35 int mode;
36 unsigned long type;
37 int kvm_fd;
38 int fd;
39 unsigned int pgtable_levels;
40 unsigned int page_size;
41 unsigned int page_shift;
42 unsigned int pa_bits;
43 unsigned int va_bits;
44 uint64_t max_gfn;
45 struct list_head vcpus;
46 struct list_head userspace_mem_regions;
47 struct sparsebit *vpages_valid;
48 struct sparsebit *vpages_mapped;
49 bool has_irqchip;
50 bool pgd_created;
51 vm_paddr_t pgd;
52 vm_vaddr_t gdt;
53 vm_vaddr_t tss;
54 vm_vaddr_t idt;
55 vm_vaddr_t handlers;
56 uint32_t dirty_ring_size;
57};
58
59struct vcpu *vcpu_find(struct kvm_vm *vm, uint32_t vcpuid);
60
61/*
62 * Virtual Translation Tables Dump
63 *
64 * Input Args:
65 * stream - Output FILE stream
66 * vm - Virtual Machine
67 * indent - Left margin indent amount
68 *
69 * Output Args: None
70 *
71 * Return: None
72 *
73 * Dumps to the FILE stream given by @stream, the contents of all the
74 * virtual translation tables for the VM given by @vm.
75 */
76void virt_dump(FILE *stream, struct kvm_vm *vm, uint8_t indent);
77
78/*
79 * Register Dump
80 *
81 * Input Args:
82 * stream - Output FILE stream
83 * regs - Registers
84 * indent - Left margin indent amount
85 *
86 * Output Args: None
87 *
88 * Return: None
89 *
90 * Dumps the state of the registers given by @regs, to the FILE stream
91 * given by @stream.
92 */
93void regs_dump(FILE *stream, struct kvm_regs *regs, uint8_t indent);
94
95/*
96 * System Register Dump
97 *
98 * Input Args:
99 * stream - Output FILE stream
100 * sregs - System registers
101 * indent - Left margin indent amount
102 *
103 * Output Args: None
104 *
105 * Return: None
106 *
107 * Dumps the state of the system registers given by @sregs, to the FILE stream
108 * given by @stream.
109 */
110void sregs_dump(FILE *stream, struct kvm_sregs *sregs, uint8_t indent);
111
112struct userspace_mem_region *
113memslot2region(struct kvm_vm *vm, uint32_t memslot);
114
115#endif /* SELFTEST_KVM_UTIL_INTERNAL_H */