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 "linux/hashtable.h" 12 #include "linux/rbtree.h" 13 14 #include "sparsebit.h" 15 16 struct userspace_mem_region { 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 *host_alias; 23 void *mmap_start; 24 void *mmap_alias; 25 size_t mmap_size; 26 struct rb_node gpa_node; 27 struct rb_node hva_node; 28 struct hlist_node slot_node; 29 }; 30 31 struct vcpu { 32 struct list_head list; 33 uint32_t id; 34 int fd; 35 struct kvm_run *state; 36 struct kvm_dirty_gfn *dirty_gfns; 37 uint32_t fetch_index; 38 uint32_t dirty_gfns_count; 39 }; 40 41 struct userspace_mem_regions { 42 struct rb_root gpa_tree; 43 struct rb_root hva_tree; 44 DECLARE_HASHTABLE(slot_hash, 9); 45 }; 46 47 struct kvm_vm { 48 int mode; 49 unsigned long type; 50 int kvm_fd; 51 int fd; 52 unsigned int pgtable_levels; 53 unsigned int page_size; 54 unsigned int page_shift; 55 unsigned int pa_bits; 56 unsigned int va_bits; 57 uint64_t max_gfn; 58 struct list_head vcpus; 59 struct userspace_mem_regions regions; 60 struct sparsebit *vpages_valid; 61 struct sparsebit *vpages_mapped; 62 bool has_irqchip; 63 bool pgd_created; 64 vm_paddr_t pgd; 65 vm_vaddr_t gdt; 66 vm_vaddr_t tss; 67 vm_vaddr_t idt; 68 vm_vaddr_t handlers; 69 uint32_t dirty_ring_size; 70 }; 71 72 struct vcpu *vcpu_find(struct kvm_vm *vm, uint32_t vcpuid); 73 74 /* 75 * Virtual Translation Tables Dump 76 * 77 * Input Args: 78 * stream - Output FILE stream 79 * vm - Virtual Machine 80 * indent - Left margin indent amount 81 * 82 * Output Args: None 83 * 84 * Return: None 85 * 86 * Dumps to the FILE stream given by @stream, the contents of all the 87 * virtual translation tables for the VM given by @vm. 88 */ 89 void virt_dump(FILE *stream, struct kvm_vm *vm, uint8_t indent); 90 91 /* 92 * Register Dump 93 * 94 * Input Args: 95 * stream - Output FILE stream 96 * regs - Registers 97 * indent - Left margin indent amount 98 * 99 * Output Args: None 100 * 101 * Return: None 102 * 103 * Dumps the state of the registers given by @regs, to the FILE stream 104 * given by @stream. 105 */ 106 void regs_dump(FILE *stream, struct kvm_regs *regs, uint8_t indent); 107 108 /* 109 * System Register Dump 110 * 111 * Input Args: 112 * stream - Output FILE stream 113 * sregs - System registers 114 * indent - Left margin indent amount 115 * 116 * Output Args: None 117 * 118 * Return: None 119 * 120 * Dumps the state of the system registers given by @sregs, to the FILE stream 121 * given by @stream. 122 */ 123 void sregs_dump(FILE *stream, struct kvm_sregs *sregs, uint8_t indent); 124 125 struct userspace_mem_region * 126 memslot2region(struct kvm_vm *vm, uint32_t memslot); 127 128 #endif /* SELFTEST_KVM_UTIL_INTERNAL_H */ 129
