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#ifndef QEMU_MMAP_ALLOC_H
#define QEMU_MMAP_ALLOC_H
size_t qemu_fd_getpagesize(int fd);
size_t qemu_mempath_getpagesize(const char *mem_path);
/**
* qemu_ram_mmap: mmap the specified file or device.
*
* Parameters:
* @fd: the file or the device to mmap
* @size: the number of bytes to be mmaped
* @align: if not zero, specify the alignment of the starting mapping address;
* otherwise, the alignment in use will be determined by QEMU.
* @readonly: true for a read-only mapping, false for read/write.
* @shared: map has RAM_SHARED flag.
* @is_pmem: map has RAM_PMEM flag.
* @map_offset: map starts at offset of map_offset from the start of fd
*
* Return:
* On success, return a pointer to the mapped area.
* On failure, return MAP_FAILED.
*/
void *qemu_ram_mmap(int fd,
size_t size,
size_t align,
bool readonly,
bool shared,
bool is_pmem,
off_t map_offset);
void qemu_ram_munmap(int fd, void *ptr, size_t size);
#endif
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