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Diffstat (limited to 'include/linux/node.h')
-rw-r--r-- | include/linux/node.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/include/linux/node.h b/include/linux/node.h new file mode 100644 index 00000000000..6e0a697e594 --- /dev/null +++ b/include/linux/node.h @@ -0,0 +1,33 @@ +/* + * include/linux/node.h - generic node definition + * + * This is mainly for topological representation. We define the + * basic 'struct node' here, which can be embedded in per-arch + * definitions of processors. + * + * Basic handling of the devices is done in drivers/base/node.c + * and system devices are handled in drivers/base/sys.c. + * + * Nodes are exported via driverfs in the class/node/devices/ + * directory. + * + * Per-node interfaces can be implemented using a struct device_interface. + * See the following for how to do this: + * - drivers/base/intf.c + * - Documentation/driver-model/interface.txt + */ +#ifndef _LINUX_NODE_H_ +#define _LINUX_NODE_H_ + +#include <linux/sysdev.h> +#include <linux/cpumask.h> + +struct node { + struct sys_device sysdev; +}; + +extern int register_node(struct node *, int, struct node *); + +#define to_node(sys_device) container_of(sys_device, struct node, sysdev) + +#endif /* _LINUX_NODE_H_ */ |