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-rw-r--r--qemu/backends/hostmem-file.c145
1 files changed, 0 insertions, 145 deletions
diff --git a/qemu/backends/hostmem-file.c b/qemu/backends/hostmem-file.c
deleted file mode 100644
index 5c4b808c1..000000000
--- a/qemu/backends/hostmem-file.c
+++ /dev/null
@@ -1,145 +0,0 @@
-/*
- * QEMU Host Memory Backend for hugetlbfs
- *
- * Copyright (C) 2013-2014 Red Hat Inc
- *
- * Authors:
- * Paolo Bonzini <pbonzini@redhat.com>
- *
- * This work is licensed under the terms of the GNU GPL, version 2 or later.
- * See the COPYING file in the top-level directory.
- */
-#include "qemu/osdep.h"
-#include "qapi/error.h"
-#include "qemu-common.h"
-#include "sysemu/hostmem.h"
-#include "sysemu/sysemu.h"
-#include "qom/object_interfaces.h"
-
-/* hostmem-file.c */
-/**
- * @TYPE_MEMORY_BACKEND_FILE:
- * name of backend that uses mmap on a file descriptor
- */
-#define TYPE_MEMORY_BACKEND_FILE "memory-backend-file"
-
-#define MEMORY_BACKEND_FILE(obj) \
- OBJECT_CHECK(HostMemoryBackendFile, (obj), TYPE_MEMORY_BACKEND_FILE)
-
-typedef struct HostMemoryBackendFile HostMemoryBackendFile;
-
-struct HostMemoryBackendFile {
- HostMemoryBackend parent_obj;
-
- bool share;
- char *mem_path;
-};
-
-static void
-file_backend_memory_alloc(HostMemoryBackend *backend, Error **errp)
-{
- HostMemoryBackendFile *fb = MEMORY_BACKEND_FILE(backend);
-
- if (!backend->size) {
- error_setg(errp, "can't create backend with size 0");
- return;
- }
- if (!fb->mem_path) {
- error_setg(errp, "mem-path property not set");
- return;
- }
-#ifndef CONFIG_LINUX
- error_setg(errp, "-mem-path not supported on this host");
-#else
- if (!memory_region_size(&backend->mr)) {
- gchar *path;
- backend->force_prealloc = mem_prealloc;
- path = object_get_canonical_path(OBJECT(backend));
- memory_region_init_ram_from_file(&backend->mr, OBJECT(backend),
- path,
- backend->size, fb->share,
- fb->mem_path, errp);
- g_free(path);
- }
-#endif
-}
-
-static void
-file_backend_class_init(ObjectClass *oc, void *data)
-{
- HostMemoryBackendClass *bc = MEMORY_BACKEND_CLASS(oc);
-
- bc->alloc = file_backend_memory_alloc;
-}
-
-static char *get_mem_path(Object *o, Error **errp)
-{
- HostMemoryBackendFile *fb = MEMORY_BACKEND_FILE(o);
-
- return g_strdup(fb->mem_path);
-}
-
-static void set_mem_path(Object *o, const char *str, 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;
- }
- g_free(fb->mem_path);
- 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);
-}
-
-static void file_backend_instance_finalize(Object *o)
-{
- HostMemoryBackendFile *fb = MEMORY_BACKEND_FILE(o);
-
- g_free(fb->mem_path);
-}
-
-static const TypeInfo file_backend_info = {
- .name = TYPE_MEMORY_BACKEND_FILE,
- .parent = TYPE_MEMORY_BACKEND,
- .class_init = file_backend_class_init,
- .instance_init = file_backend_instance_init,
- .instance_finalize = file_backend_instance_finalize,
- .instance_size = sizeof(HostMemoryBackendFile),
-};
-
-static void register_types(void)
-{
- type_register_static(&file_backend_info);
-}
-
-type_init(register_types);