| #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. |
| * @shared: map has RAM_SHARED flag. |
| * @is_pmem: map has RAM_PMEM flag. |
| * |
| * 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 shared, |
| bool is_pmem); |
| |
| void qemu_ram_munmap(int fd, void *ptr, size_t size); |
| |
| #endif |