cregit-Linux how code gets into the kernel

Release 4.18 tools/testing/selftests/kvm/lib/kvm_util_internal.h

/*
 * tools/testing/selftests/kvm/lib/kvm_util.c
 *
 * Copyright (C) 2018, Google LLC.
 *
 * This work is licensed under the terms of the GNU GPL, version 2.
 */

#ifndef KVM_UTIL_INTERNAL_H

#define KVM_UTIL_INTERNAL_H 1

#include "sparsebit.h"

#ifndef BITS_PER_BYTE

#define BITS_PER_BYTE           8
#endif

#ifndef BITS_PER_LONG

#define BITS_PER_LONG (BITS_PER_BYTE * sizeof(long))
#endif


#define DIV_ROUND_UP(n, d)	(((n) + (d) - 1) / (d))

#define BITS_TO_LONGS(nr)       DIV_ROUND_UP(nr, BITS_PER_LONG)

/* Concrete definition of struct kvm_vm. */

struct userspace_mem_region {
	

struct userspace_mem_region *next, *prev;
	
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 vcpu {
	

struct vcpu *next, *prev;
	
uint32_t id;
	
int fd;
	
struct kvm_run *state;
};


struct kvm_vm {
	
int mode;
	
int fd;
	
unsigned int page_size;
	
unsigned int page_shift;
	
uint64_t max_gfn;
	
struct vcpu *vcpu_head;
	
struct userspace_mem_region *userspace_mem_region_head;
	
struct sparsebit *vpages_valid;
	
struct sparsebit *vpages_mapped;
	
bool pgd_created;
	
vm_paddr_t pgd;
};

struct vcpu *vcpu_find(struct kvm_vm *vm,
	uint32_t vcpuid);
void vcpu_setup(struct kvm_vm *vm, int vcpuid);
void virt_dump(FILE *stream, struct kvm_vm *vm, uint8_t indent);
void regs_dump(FILE *stream, struct kvm_regs *regs,
	uint8_t indent);
void sregs_dump(FILE *stream, struct kvm_sregs *sregs,
	uint8_t indent);

#endif

Overall Contributors

PersonTokensPropCommitsCommitProp
Paolo Bonzini233100.00%1100.00%
Total233100.00%1100.00%
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