| 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_PAGE_MASK (ELF2DMP_PAGE_SIZE - 1) |
| 16 | #define ELF2DMP_PFN_MASK (~(ELF2DMP_PAGE_SIZE - 1)) |
| 17 | |
| 18 | #define INVALID_PA UINT64_MAX |
| 19 | |
| 20 | struct pa_block { |
| 21 | uint8_t *addr; |
| 22 | uint64_t paddr; |
| 23 | uint64_t size; |
| 24 | }; |
| 25 | |
| 26 | struct pa_space { |
| 27 | size_t block_nr; |
| 28 | struct pa_block *block; |
| 29 | }; |
| 30 | |
| 31 | struct va_space { |
| 32 | uint64_t dtb; |
| 33 | struct pa_space *ps; |
| 34 | }; |
| 35 | |
| 36 | void pa_space_create(struct pa_space *ps, QEMU_Elf *qemu_elf); |
| 37 | void pa_space_destroy(struct pa_space *ps); |
| 38 | |
| 39 | void va_space_create(struct va_space *vs, struct pa_space *ps, uint64_t dtb); |
| 40 | void va_space_set_dtb(struct va_space *vs, uint64_t dtb); |
| 41 | void *va_space_resolve(struct va_space *vs, uint64_t va); |
| 42 | bool va_space_rw(struct va_space *vs, uint64_t addr, |
| 43 | void *buf, size_t size, int is_write); |
| 44 | |
| 45 | #endif /* ADDRSPACE_H */ |