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 PAGE_BITS 12 14 #define PAGE_SIZE (1ULL << PAGE_BITS) 15 #define PFN_MASK (~(PAGE_SIZE - 1)) 16 17 #define INVALID_PA UINT64_MAX 18 19 struct pa_block { 20 uint8_t *addr; 21 uint64_t paddr; 22 uint64_t size; 23 }; 24 25 struct pa_space { 26 size_t block_nr; 27 struct pa_block *block; 28 }; 29 30 struct va_space { 31 uint64_t dtb; 32 struct pa_space *ps; 33 }; 34 35 int pa_space_create(struct pa_space *ps, QEMU_Elf *qemu_elf); 36 void pa_space_destroy(struct pa_space *ps); 37 38 void va_space_create(struct va_space *vs, struct pa_space *ps, uint64_t dtb); 39 void va_space_set_dtb(struct va_space *vs, uint64_t dtb); 40 void *va_space_resolve(struct va_space *vs, uint64_t va); 41 int 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