tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * tools/testing/selftests/kvm/lib/kvm_util_internal.h
3 *
4 * Copyright (C) 2018, Google LLC.
5 *
6 * This work is licensed under the terms of the GNU GPL, version 2.
7 */
8
9#ifndef SELFTEST_KVM_UTIL_INTERNAL_H
10#define SELFTEST_KVM_UTIL_INTERNAL_H
11
12#include "sparsebit.h"
13
14#define KVM_DEV_PATH "/dev/kvm"
15
16#ifndef BITS_PER_BYTE
17#define BITS_PER_BYTE 8
18#endif
19
20#ifndef BITS_PER_LONG
21#define BITS_PER_LONG (BITS_PER_BYTE * sizeof(long))
22#endif
23
24#define DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d))
25#define BITS_TO_LONGS(nr) DIV_ROUND_UP(nr, BITS_PER_LONG)
26
27struct userspace_mem_region {
28 struct userspace_mem_region *next, *prev;
29 struct kvm_userspace_memory_region region;
30 struct sparsebit *unused_phy_pages;
31 int fd;
32 off_t offset;
33 void *host_mem;
34 void *mmap_start;
35 size_t mmap_size;
36};
37
38struct vcpu {
39 struct vcpu *next, *prev;
40 uint32_t id;
41 int fd;
42 struct kvm_run *state;
43};
44
45struct kvm_vm {
46 int mode;
47 unsigned long type;
48 int kvm_fd;
49 int fd;
50 unsigned int pgtable_levels;
51 unsigned int page_size;
52 unsigned int page_shift;
53 unsigned int pa_bits;
54 unsigned int va_bits;
55 uint64_t max_gfn;
56 struct vcpu *vcpu_head;
57 struct userspace_mem_region *userspace_mem_region_head;
58 struct sparsebit *vpages_valid;
59 struct sparsebit *vpages_mapped;
60 bool has_irqchip;
61 bool pgd_created;
62 vm_paddr_t pgd;
63 vm_vaddr_t gdt;
64 vm_vaddr_t tss;
65};
66
67struct vcpu *vcpu_find(struct kvm_vm *vm, uint32_t vcpuid);
68void vcpu_setup(struct kvm_vm *vm, int vcpuid, int pgd_memslot,
69 int gdt_memslot);
70void virt_dump(FILE *stream, struct kvm_vm *vm, uint8_t indent);
71void regs_dump(FILE *stream, struct kvm_regs *regs, uint8_t indent);
72void sregs_dump(FILE *stream, struct kvm_sregs *sregs, uint8_t indent);
73
74#endif /* SELFTEST_KVM_UTIL_INTERNAL_H */