2 * QEMU Module Infrastructure
4 * Copyright IBM, Corp. 2009
7 * Anthony Liguori <aliguori@us.ibm.com>
9 * This work is licensed under the terms of the GNU GPL, version 2. See
10 * the COPYING file in the top-level directory.
14 #include "qemu-common.h"
15 #include "sys-queue.h"
18 typedef struct ModuleEntry
20 module_init_type type;
22 TAILQ_ENTRY(ModuleEntry) node;
25 typedef struct ModuleTypeList
27 module_init_type type;
28 TAILQ_HEAD(, ModuleEntry) entry_list;
29 TAILQ_ENTRY(ModuleTypeList) node;
32 static TAILQ_HEAD(, ModuleTypeList) init_type_list;
34 static ModuleTypeList *find_type_or_alloc(module_init_type type, int alloc)
38 TAILQ_FOREACH(n, &init_type_list, node) {
43 if (!n || n->type != type) {
49 o = qemu_mallocz(sizeof(*o));
51 TAILQ_INIT(&o->entry_list);
54 TAILQ_INSERT_AFTER(&init_type_list, n, o, node);
56 TAILQ_INSERT_HEAD(&init_type_list, o, node);
65 void register_module_init(void (*fn)(void), module_init_type type)
70 e = qemu_mallocz(sizeof(*e));
73 l = find_type_or_alloc(type, 1);
75 TAILQ_INSERT_TAIL(&l->entry_list, e, node);
78 void module_call_init(module_init_type type)
83 l = find_type_or_alloc(type, 0);
88 TAILQ_FOREACH(e, &l->entry_list, node) {