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authorAnthony Liguori <aliguori@us.ibm.com>2012-12-19 17:15:39 -0600
committerAnthony Liguori <aliguori@us.ibm.com>2012-12-19 17:15:39 -0600
commit27dd7730582be85c7d4f680f5f71146629809c86 (patch)
tree3a36db2e407711ed222de28b839744db48a75059 /include/sysemu/device_tree.h
parent914606d26e654d4c01bd5186f4d05e3fd445e219 (diff)
parentec5e016c9a68588bd01be387416923c7dcafb951 (diff)
Merge remote-tracking branch 'bonzini/header-dirs' into staging
* bonzini/header-dirs: (45 commits) janitor: move remaining public headers to include/ hw: move executable format header files to hw/ fpu: move public header file to include/fpu softmmu: move remaining include files to include/ subdirectories softmmu: move include files to include/sysemu/ misc: move include files to include/qemu/ qom: move include files to include/qom/ migration: move include files to include/migration/ monitor: move include files to include/monitor/ exec: move include files to include/exec/ block: move include files to include/block/ qapi: move include files to include/qobject/ janitor: add guards to headers qapi: make struct Visitor opaque qapi: remove qapi/qapi-types-core.h qapi: move inclusions of qemu-common.h from headers to .c files ui: move files to ui/ and include/ui/ qemu-ga: move qemu-ga files to qga/ net: reorganize headers net: move net.c to net/ ... Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Diffstat (limited to 'include/sysemu/device_tree.h')
-rw-r--r--include/sysemu/device_tree.h54
1 files changed, 54 insertions, 0 deletions
diff --git a/include/sysemu/device_tree.h b/include/sysemu/device_tree.h
new file mode 100644
index 0000000000..f0b3f35e03
--- /dev/null
+++ b/include/sysemu/device_tree.h
@@ -0,0 +1,54 @@
+/*
+ * Header with function prototypes to help device tree manipulation using
+ * libfdt. It also provides functions to read entries from device tree proc
+ * interface.
+ *
+ * Copyright 2008 IBM Corporation.
+ * Authors: Jerone Young <jyoung5@us.ibm.com>
+ * Hollis Blanchard <hollisb@us.ibm.com>
+ *
+ * This work is licensed under the GNU GPL license version 2 or later.
+ *
+ */
+
+#ifndef __DEVICE_TREE_H__
+#define __DEVICE_TREE_H__
+
+void *create_device_tree(int *sizep);
+void *load_device_tree(const char *filename_path, int *sizep);
+
+int qemu_devtree_setprop(void *fdt, const char *node_path,
+ const char *property, const void *val_array, int size);
+int qemu_devtree_setprop_cell(void *fdt, const char *node_path,
+ const char *property, uint32_t val);
+int qemu_devtree_setprop_u64(void *fdt, const char *node_path,
+ const char *property, uint64_t val);
+int qemu_devtree_setprop_string(void *fdt, const char *node_path,
+ const char *property, const char *string);
+int qemu_devtree_setprop_phandle(void *fdt, const char *node_path,
+ const char *property,
+ const char *target_node_path);
+const void *qemu_devtree_getprop(void *fdt, const char *node_path,
+ const char *property, int *lenp);
+uint32_t qemu_devtree_getprop_cell(void *fdt, const char *node_path,
+ const char *property);
+uint32_t qemu_devtree_get_phandle(void *fdt, const char *path);
+uint32_t qemu_devtree_alloc_phandle(void *fdt);
+int qemu_devtree_nop_node(void *fdt, const char *node_path);
+int qemu_devtree_add_subnode(void *fdt, const char *name);
+
+#define qemu_devtree_setprop_cells(fdt, node_path, property, ...) \
+ do { \
+ uint32_t qdt_tmp[] = { __VA_ARGS__ }; \
+ int i; \
+ \
+ for (i = 0; i < ARRAY_SIZE(qdt_tmp); i++) { \
+ qdt_tmp[i] = cpu_to_be32(qdt_tmp[i]); \
+ } \
+ qemu_devtree_setprop(fdt, node_path, property, qdt_tmp, \
+ sizeof(qdt_tmp)); \
+ } while (0)
+
+void qemu_devtree_dumpdtb(void *fdt, int size);
+
+#endif /* __DEVICE_TREE_H__ */