qemu/contrib/elf2dmp/addrspace.h
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   1/*
   2 * Copyright (c) 2018 Virtuozzo International GmbH
   3 *
   4 * This work is licensed under the terms of the GNU GPL, version 2 or later.
   5 *
   6 */
   7
   8#ifndef ADDRSPACE_H
   9#define ADDRSPACE_H
  10
  11#include "qemu_elf.h"
  12
  13#define ELF2DMP_PAGE_BITS 12
  14#define ELF2DMP_PAGE_SIZE (1ULL << ELF2DMP_PAGE_BITS)
  15#define ELF2DMP_PFN_MASK (~(ELF2DMP_PAGE_SIZE - 1))
  16
  17#define INVALID_PA  UINT64_MAX
  18
  19struct pa_block {
  20    uint8_t *addr;
  21    uint64_t paddr;
  22    uint64_t size;
  23};
  24
  25struct pa_space {
  26    size_t block_nr;
  27    struct pa_block *block;
  28};
  29
  30struct va_space {
  31    uint64_t dtb;
  32    struct pa_space *ps;
  33};
  34
  35int pa_space_create(struct pa_space *ps, QEMU_Elf *qemu_elf);
  36void pa_space_destroy(struct pa_space *ps);
  37
  38void va_space_create(struct va_space *vs, struct pa_space *ps, uint64_t dtb);
  39void va_space_set_dtb(struct va_space *vs, uint64_t dtb);
  40void *va_space_resolve(struct va_space *vs, uint64_t va);
  41int va_space_rw(struct va_space *vs, uint64_t addr,
  42        void *buf, size_t size, int is_write);
  43
  44#endif /* ADDRSPACE_H */
  45