1 #ifndef QEMU_MMAP_ALLOC_H
2 #define QEMU_MMAP_ALLOC_H
5 size_t qemu_fd_getpagesize(int fd);
7 size_t qemu_mempath_getpagesize(const char *mem_path);
10 * qemu_ram_mmap: mmap the specified file or device.
13 * @fd: the file or the device to mmap
14 * @size: the number of bytes to be mmaped
15 * @align: if not zero, specify the alignment of the starting mapping address;
16 * otherwise, the alignment in use will be determined by QEMU.
17 * @readonly: true for a read-only mapping, false for read/write.
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,
32 void qemu_ram_munmap(int fd, void *ptr, size_t size);