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author | fishsoupisgood <github@madingley.org> | 2019-04-29 01:17:54 +0100 |
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committer | fishsoupisgood <github@madingley.org> | 2019-05-27 03:43:43 +0100 |
commit | 3f2546b2ef55b661fd8dd69682b38992225e86f6 (patch) | |
tree | 65ca85f13617aee1dce474596800950f266a456c /backends/hostmem-ram.c | |
download | qemu-master.tar.gz qemu-master.tar.bz2 qemu-master.zip |
Diffstat (limited to 'backends/hostmem-ram.c')
-rw-r--r-- | backends/hostmem-ram.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/backends/hostmem-ram.c b/backends/hostmem-ram.c new file mode 100644 index 00000000..a67a1345 --- /dev/null +++ b/backends/hostmem-ram.c @@ -0,0 +1,53 @@ +/* + * QEMU Host Memory Backend + * + * Copyright (C) 2013-2014 Red Hat Inc + * + * Authors: + * Igor Mammedov <imammedo@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 "sysemu/hostmem.h" +#include "qom/object_interfaces.h" + +#define TYPE_MEMORY_BACKEND_RAM "memory-backend-ram" + + +static void +ram_backend_memory_alloc(HostMemoryBackend *backend, Error **errp) +{ + char *path; + + if (!backend->size) { + error_setg(errp, "can't create backend with size 0"); + return; + } + + path = object_get_canonical_path_component(OBJECT(backend)); + memory_region_init_ram(&backend->mr, OBJECT(backend), path, + backend->size, errp); + g_free(path); +} + +static void +ram_backend_class_init(ObjectClass *oc, void *data) +{ + HostMemoryBackendClass *bc = MEMORY_BACKEND_CLASS(oc); + + bc->alloc = ram_backend_memory_alloc; +} + +static const TypeInfo ram_backend_info = { + .name = TYPE_MEMORY_BACKEND_RAM, + .parent = TYPE_MEMORY_BACKEND, + .class_init = ram_backend_class_init, +}; + +static void register_types(void) +{ + type_register_static(&ram_backend_info); +} + +type_init(register_types); |