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 int 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 int va_space_rw(struct va_space *vs, uint64_t addr, 43 void *buf, size_t size, int is_write); 44 45 #endif /* ADDRSPACE_H */ 46