tools/testing/selftests/kvm/lib/kvm_util_internal.h

   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
  15 struct userspace_mem_region {
  16         struct kvm_userspace_memory_region region;
  17         struct sparsebit *unused_phy_pages;
  18         int fd;
  19         off_t offset;
  20         void *host_mem;
  21         void *mmap_start;
  22         size_t mmap_size;
  23         struct list_head list;
  24 };
  25
  26 struct vcpu {
  27         struct list_head list;
  28         uint32_t id;
  29         int fd;
  30         struct kvm_run *state;
  31         struct kvm_dirty_gfn *dirty_gfns;
  32         uint32_t fetch_index;
  33         uint32_t dirty_gfns_count;
  34 };
  35
  36 struct kvm_vm {
  37         int mode;
  38         unsigned long type;
  39         int kvm_fd;
  40         int fd;
  41         unsigned int pgtable_levels;
  42         unsigned int page_size;
  43         unsigned int page_shift;
  44         unsigned int pa_bits;
  45         unsigned int va_bits;
  46         uint64_t max_gfn;
  47         struct list_head vcpus;
  48         struct list_head userspace_mem_regions;
  49         struct sparsebit *vpages_valid;
  50         struct sparsebit *vpages_mapped;
  51         bool has_irqchip;
  52         bool pgd_created;
  53         vm_paddr_t pgd;
  54         vm_vaddr_t gdt;
  55         vm_vaddr_t tss;
  56         vm_vaddr_t idt;
  57         vm_vaddr_t handlers;
  58         uint32_t dirty_ring_size;
  59 };
  60
  61 struct vcpu *vcpu_find(struct kvm_vm *vm, uint32_t vcpuid);
  62
  63 /*
  64  * Virtual Translation Tables Dump
  65  *
  66  * Input Args:
  67  *   stream - Output FILE stream
  68  *   vm     - Virtual Machine
  69  *   indent - Left margin indent amount
  70  *
  71  * Output Args: None
  72  *
  73  * Return: None
  74  *
  75  * Dumps to the FILE stream given by @stream, the contents of all the
  76  * virtual translation tables for the VM given by @vm.
  77  */
  78 void virt_dump(FILE *stream, struct kvm_vm *vm, uint8_t indent);
  79
  80 /*
  81  * Register Dump
  82  *
  83  * Input Args:
  84  *   stream - Output FILE stream
  85  *   regs   - Registers
  86  *   indent - Left margin indent amount
  87  *
  88  * Output Args: None
  89  *
  90  * Return: None
  91  *
  92  * Dumps the state of the registers given by @regs, to the FILE stream
  93  * given by @stream.
  94  */
  95 void regs_dump(FILE *stream, struct kvm_regs *regs, uint8_t indent);
  96
  97 /*
  98  * System Register Dump
  99  *
 100  * Input Args:
 101  *   stream - Output FILE stream
 102  *   sregs  - System registers
 103  *   indent - Left margin indent amount
 104  *
 105  * Output Args: None
 106  *
 107  * Return: None
 108  *
 109  * Dumps the state of the system registers given by @sregs, to the FILE stream
 110  * given by @stream.
 111  */
 112 void sregs_dump(FILE *stream, struct kvm_sregs *sregs, uint8_t indent);
 113
 114 struct userspace_mem_region *
 115 memslot2region(struct kvm_vm *vm, uint32_t memslot);
 116
 117 #endif /* SELFTEST_KVM_UTIL_INTERNAL_H */