diff options
Diffstat (limited to 'backends/hostmem-file.c')
| -rw-r--r-- | backends/hostmem-file.c | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/backends/hostmem-file.c b/backends/hostmem-file.c index 92659c119d..51799943f1 100644 --- a/backends/hostmem-file.c +++ b/backends/hostmem-file.c @@ -28,6 +28,8 @@ typedef struct HostMemoryBackendFile HostMemoryBackendFile; struct HostMemoryBackendFile { HostMemoryBackend parent_obj; + + bool share; char *mem_path; }; @@ -51,7 +53,7 @@ file_backend_memory_alloc(HostMemoryBackend *backend, Error **errp) backend->force_prealloc = mem_prealloc; memory_region_init_ram_from_file(&backend->mr, OBJECT(backend), object_get_canonical_path(OBJECT(backend)), - backend->size, + backend->size, fb->share, fb->mem_path, errp); } #endif @@ -87,9 +89,31 @@ static void set_mem_path(Object *o, const char *str, Error **errp) fb->mem_path = g_strdup(str); } +static bool file_memory_backend_get_share(Object *o, Error **errp) +{ + HostMemoryBackendFile *fb = MEMORY_BACKEND_FILE(o); + + return fb->share; +} + +static void file_memory_backend_set_share(Object *o, bool value, Error **errp) +{ + HostMemoryBackend *backend = MEMORY_BACKEND(o); + HostMemoryBackendFile *fb = MEMORY_BACKEND_FILE(o); + + if (memory_region_size(&backend->mr)) { + error_setg(errp, "cannot change property value"); + return; + } + fb->share = value; +} + static void file_backend_instance_init(Object *o) { + object_property_add_bool(o, "share", + file_memory_backend_get_share, + file_memory_backend_set_share, NULL); object_property_add_str(o, "mem-path", get_mem_path, set_mem_path, NULL); } |