diff options
author | Zheng Da <zhengda1936@gmail.com> | 2009-12-06 05:26:23 +0100 |
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committer | Zheng Da <zhengda1936@gmail.com> | 2009-12-06 05:26:23 +0100 |
commit | 8a6d48c0542876eb3acfc0970c0ab7872db08d5f (patch) | |
tree | 496e78bc728317ea779781b92f897d16936ee231 /libdde_linux26/contrib/include/linux/node.h | |
parent | b4bffcfcdf3ab7a55d664e9aa5907f88da503f38 (diff) |
check in the original version of dde linux26.
Diffstat (limited to 'libdde_linux26/contrib/include/linux/node.h')
-rw-r--r-- | libdde_linux26/contrib/include/linux/node.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/libdde_linux26/contrib/include/linux/node.h b/libdde_linux26/contrib/include/linux/node.h new file mode 100644 index 00000000..681a697b --- /dev/null +++ b/libdde_linux26/contrib/include/linux/node.h @@ -0,0 +1,72 @@ +/* + * 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; +}; + +struct memory_block; +extern struct node node_devices[]; + +extern int register_node(struct node *, int, struct node *); +extern void unregister_node(struct node *node); +#ifdef CONFIG_NUMA +extern int register_one_node(int nid); +extern void unregister_one_node(int nid); +extern int register_cpu_under_node(unsigned int cpu, unsigned int nid); +extern int unregister_cpu_under_node(unsigned int cpu, unsigned int nid); +extern int register_mem_sect_under_node(struct memory_block *mem_blk, + int nid); +extern int unregister_mem_sect_under_nodes(struct memory_block *mem_blk); +#else +static inline int register_one_node(int nid) +{ + return 0; +} +static inline int unregister_one_node(int nid) +{ + return 0; +} +static inline int register_cpu_under_node(unsigned int cpu, unsigned int nid) +{ + return 0; +} +static inline int unregister_cpu_under_node(unsigned int cpu, unsigned int nid) +{ + return 0; +} +static inline int register_mem_sect_under_node(struct memory_block *mem_blk, + int nid) +{ + return 0; +} +static inline int unregister_mem_sect_under_nodes(struct memory_block *mem_blk) +{ + return 0; +} +#endif + +#define to_node(sys_device) container_of(sys_device, struct node, sysdev) + +#endif /* _LINUX_NODE_H_ */ |