diff options
Diffstat (limited to 'include/exec/memory.h')
| -rw-r--r-- | include/exec/memory.h | 31 |
1 files changed, 20 insertions, 11 deletions
diff --git a/include/exec/memory.h b/include/exec/memory.h index 80e605a96a..37f8e78e71 100644 --- a/include/exec/memory.h +++ b/include/exec/memory.h @@ -456,6 +456,26 @@ void memory_region_init_ram_from_file(MemoryRegion *mr, bool share, const char *path, Error **errp); + +/** + * memory_region_init_ram_from_fd: Initialize RAM memory region with a + * mmap-ed backend. + * + * @mr: the #MemoryRegion to be initialized. + * @owner: the object that tracks the region's reference count + * @name: the name of the region. + * @size: size of the region. + * @share: %true if memory must be mmaped with the MAP_SHARED flag + * @fd: the fd to mmap. + * @errp: pointer to Error*, to store an error if it happens. + */ +void memory_region_init_ram_from_fd(MemoryRegion *mr, + struct Object *owner, + const char *name, + uint64_t size, + bool share, + int fd, + Error **errp); #endif /** @@ -805,17 +825,6 @@ static inline bool memory_region_is_rom(MemoryRegion *mr) int memory_region_get_fd(MemoryRegion *mr); /** - * memory_region_set_fd: Mark a RAM memory region as backed by a - * file descriptor. - * - * This function is typically used after memory_region_init_ram_ptr(). - * - * @mr: the memory region being queried. - * @fd: the file descriptor that backs @mr. - */ -void memory_region_set_fd(MemoryRegion *mr, int fd); - -/** * memory_region_from_host: Convert a pointer into a RAM memory region * and an offset within it. * |