1 /* 2 * tools/testing/selftests/kvm/lib/kvm_util.c 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 KVM_UTIL_INTERNAL_H 10 #define KVM_UTIL_INTERNAL_H 1 11 12 #include "sparsebit.h" 13 14 #ifndef BITS_PER_BYTE 15 #define BITS_PER_BYTE 8 16 #endif 17 18 #ifndef BITS_PER_LONG 19 #define BITS_PER_LONG (BITS_PER_BYTE * sizeof(long)) 20 #endif 21 22 #define DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d)) 23 #define BITS_TO_LONGS(nr) DIV_ROUND_UP(nr, BITS_PER_LONG) 24 25 /* Concrete definition of struct kvm_vm. */ 26 struct userspace_mem_region { 27 struct userspace_mem_region *next, *prev; 28 struct kvm_userspace_memory_region region; 29 struct sparsebit *unused_phy_pages; 30 int fd; 31 off_t offset; 32 void *host_mem; 33 void *mmap_start; 34 size_t mmap_size; 35 }; 36 37 struct vcpu { 38 struct vcpu *next, *prev; 39 uint32_t id; 40 int fd; 41 struct kvm_run *state; 42 }; 43 44 struct kvm_vm { 45 int mode; 46 int kvm_fd; 47 int fd; 48 unsigned int page_size; 49 unsigned int page_shift; 50 uint64_t max_gfn; 51 struct vcpu *vcpu_head; 52 struct userspace_mem_region *userspace_mem_region_head; 53 struct sparsebit *vpages_valid; 54 struct sparsebit *vpages_mapped; 55 56 bool has_irqchip; 57 bool pgd_created; 58 vm_paddr_t pgd; 59 vm_vaddr_t gdt; 60 vm_vaddr_t tss; 61 }; 62 63 struct vcpu *vcpu_find(struct kvm_vm *vm, 64 uint32_t vcpuid); 65 void vcpu_setup(struct kvm_vm *vm, int vcpuid, int pgd_memslot, int gdt_memslot); 66 void virt_dump(FILE *stream, struct kvm_vm *vm, uint8_t indent); 67 void regs_dump(FILE *stream, struct kvm_regs *regs, 68 uint8_t indent); 69 void sregs_dump(FILE *stream, struct kvm_sregs *sregs, 70 uint8_t indent); 71 72 #endif 73
