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 27 struct 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 38 struct vcpu { 39 struct vcpu *next, *prev; 40 uint32_t id; 41 int fd; 42 struct kvm_run *state; 43 }; 44 45 struct kvm_vm { 46 int mode; 47 int kvm_fd; 48 int fd; 49 unsigned int pgtable_levels; 50 unsigned int page_size; 51 unsigned int page_shift; 52 unsigned int pa_bits; 53 unsigned int va_bits; 54 uint64_t max_gfn; 55 struct vcpu *vcpu_head; 56 struct userspace_mem_region *userspace_mem_region_head; 57 struct sparsebit *vpages_valid; 58 struct sparsebit *vpages_mapped; 59 bool has_irqchip; 60 bool pgd_created; 61 vm_paddr_t pgd; 62 vm_vaddr_t gdt; 63 vm_vaddr_t tss; 64 }; 65 66 struct vcpu *vcpu_find(struct kvm_vm *vm, uint32_t vcpuid); 67 void vcpu_setup(struct kvm_vm *vm, int vcpuid, int pgd_memslot, 68 int gdt_memslot); 69 void virt_dump(FILE *stream, struct kvm_vm *vm, uint8_t indent); 70 void regs_dump(FILE *stream, struct kvm_regs *regs, uint8_t indent); 71 void sregs_dump(FILE *stream, struct kvm_sregs *sregs, uint8_t indent); 72 73 #endif /* SELFTEST_KVM_UTIL_INTERNAL_H */ 74