1 files changed, 113 insertions, 0 deletions
diff --git a/tools/testing/selftests/kvm/lib/kvm_util_internal.h b/tools/testing/selftests/kvm/lib/kvm_util_internal.h
new file mode 100644
index 000000000..f07d383d0
--- /dev/null
+++ b/tools/testing/selftests/kvm/lib/kvm_util_internal.h
@@ -0,0 +1,113 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * tools/testing/selftests/kvm/lib/kvm_util_internal.h
+ *
+ * Copyright (C) 2018, Google LLC.
+ */
+
+#ifndef SELFTEST_KVM_UTIL_INTERNAL_H
+#define SELFTEST_KVM_UTIL_INTERNAL_H
+
+#include "sparsebit.h"
+
+#define KVM_DEV_PATH		"/dev/kvm"
+
+struct userspace_mem_region {
+	struct kvm_userspace_memory_region region;
+	struct sparsebit *unused_phy_pages;
+	int fd;
+	off_t offset;
+	void *host_mem;
+	void *mmap_start;
+	size_t mmap_size;
+	struct list_head list;
+};
+
+struct vcpu {
+	struct list_head list;
+	uint32_t id;
+	int fd;
+	struct kvm_run *state;
+};
+
+struct kvm_vm {
+	int mode;
+	unsigned long type;
+	int kvm_fd;
+	int fd;
+	unsigned int pgtable_levels;
+	unsigned int page_size;
+	unsigned int page_shift;
+	unsigned int pa_bits;
+	unsigned int va_bits;
+	uint64_t max_gfn;
+	struct list_head vcpus;
+	struct list_head userspace_mem_regions;
+	struct sparsebit *vpages_valid;
+	struct sparsebit *vpages_mapped;
+	bool has_irqchip;
+	bool pgd_created;
+	vm_paddr_t pgd;
+	vm_vaddr_t gdt;
+	vm_vaddr_t tss;
+	vm_vaddr_t idt;
+	vm_vaddr_t handlers;
+};
+
+struct vcpu *vcpu_find(struct kvm_vm *vm, uint32_t vcpuid);
+
+/*
+ * Virtual Translation Tables Dump
+ *
+ * Input Args:
+ *   stream - Output FILE stream
+ *   vm     - Virtual Machine
+ *   indent - Left margin indent amount
+ *
+ * Output Args: None
+ *
+ * Return: None
+ *
+ * Dumps to the FILE stream given by @stream, the contents of all the
+ * virtual translation tables for the VM given by @vm.
+ */
+void virt_dump(FILE *stream, struct kvm_vm *vm, uint8_t indent);
+
+/*
+ * Register Dump
+ *
+ * Input Args:
+ *   stream - Output FILE stream
+ *   regs   - Registers
+ *   indent - Left margin indent amount
+ *
+ * Output Args: None
+ *
+ * Return: None
+ *
+ * Dumps the state of the registers given by @regs, to the FILE stream
+ * given by @stream.
+ */
+void regs_dump(FILE *stream, struct kvm_regs *regs, uint8_t indent);
+
+/*
+ * System Register Dump
+ *
+ * Input Args:
+ *   stream - Output FILE stream
+ *   sregs  - System registers
+ *   indent - Left margin indent amount
+ *
+ * Output Args: None
+ *
+ * Return: None
+ *
+ * Dumps the state of the system registers given by @sregs, to the FILE stream
+ * given by @stream.
+ */
+void sregs_dump(FILE *stream, struct kvm_sregs *sregs, uint8_t indent);
+
+struct userspace_mem_region *
+memslot2region(struct kvm_vm *vm, uint32_t memslot);
+
+#endif /* SELFTEST_KVM_UTIL_INTERNAL_H */