1 #ifndef QEMU_MMAP_ALLOC_H
2 #define QEMU_MMAP_ALLOC_H
4 #include "qemu-common.h"
6 size_t qemu_fd_getpagesize(int fd);
8 size_t qemu_mempath_getpagesize(const char *mem_path);
11 * qemu_ram_mmap: mmap the specified file or device.
14 * @fd: the file or the device to mmap
15 * @size: the number of bytes to be mmaped
16 * @align: if not zero, specify the alignment of the starting mapping address;
17 * otherwise, the alignment in use will be determined by QEMU.
18 * @shared: map has RAM_SHARED flag.
19 * @is_pmem: map has RAM_PMEM flag.
22 * On success, return a pointer to the mapped area.
23 * On failure, return MAP_FAILED.
25 void *qemu_ram_mmap(int fd,
31 void qemu_ram_munmap(int fd, void *ptr, size_t size);