diff options
Diffstat (limited to 'include/asm-sparc64/mdesc.h')
-rw-r--r-- | include/asm-sparc64/mdesc.h | 79 |
1 files changed, 1 insertions, 78 deletions
diff --git a/include/asm-sparc64/mdesc.h b/include/asm-sparc64/mdesc.h index 1acc7272e537..165a19347286 100644 --- a/include/asm-sparc64/mdesc.h +++ b/include/asm-sparc64/mdesc.h @@ -1,78 +1 @@ -#ifndef _SPARC64_MDESC_H -#define _SPARC64_MDESC_H - -#include <linux/types.h> -#include <linux/cpumask.h> -#include <asm/prom.h> - -struct mdesc_handle; - -/* Machine description operations are to be surrounded by grab and - * release calls. The mdesc_handle returned from the grab is - * the first argument to all of the operational calls that work - * on mdescs. - */ -extern struct mdesc_handle *mdesc_grab(void); -extern void mdesc_release(struct mdesc_handle *); - -#define MDESC_NODE_NULL (~(u64)0) - -extern u64 mdesc_node_by_name(struct mdesc_handle *handle, - u64 from_node, const char *name); -#define mdesc_for_each_node_by_name(__hdl, __node, __name) \ - for (__node = mdesc_node_by_name(__hdl, MDESC_NODE_NULL, __name); \ - (__node) != MDESC_NODE_NULL; \ - __node = mdesc_node_by_name(__hdl, __node, __name)) - -/* Access to property values returned from mdesc_get_property() are - * only valid inside of a mdesc_grab()/mdesc_release() sequence. - * Once mdesc_release() is called, the memory backed up by these - * pointers may reference freed up memory. - * - * Therefore callers must make copies of any property values - * they need. - * - * These same rules apply to mdesc_node_name(). - */ -extern const void *mdesc_get_property(struct mdesc_handle *handle, - u64 node, const char *name, int *lenp); -extern const char *mdesc_node_name(struct mdesc_handle *hp, u64 node); - -/* MD arc iteration, the standard sequence is: - * - * unsigned long arc; - * mdesc_for_each_arc(arc, handle, node, MDESC_ARC_TYPE_{FWD,BACK}) { - * unsigned long target = mdesc_arc_target(handle, arc); - * ... - * } - */ - -#define MDESC_ARC_TYPE_FWD "fwd" -#define MDESC_ARC_TYPE_BACK "back" - -extern u64 mdesc_next_arc(struct mdesc_handle *handle, u64 from, - const char *arc_type); -#define mdesc_for_each_arc(__arc, __hdl, __node, __type) \ - for (__arc = mdesc_next_arc(__hdl, __node, __type); \ - (__arc) != MDESC_NODE_NULL; \ - __arc = mdesc_next_arc(__hdl, __arc, __type)) - -extern u64 mdesc_arc_target(struct mdesc_handle *hp, u64 arc); - -extern void mdesc_update(void); - -struct mdesc_notifier_client { - void (*add)(struct mdesc_handle *handle, u64 node); - void (*remove)(struct mdesc_handle *handle, u64 node); - - const char *node_name; - struct mdesc_notifier_client *next; -}; - -extern void mdesc_register_notifier(struct mdesc_notifier_client *client); - -extern void mdesc_fill_in_cpu_data(cpumask_t mask); - -extern void sun4v_mdesc_init(void); - -#endif +#include <asm-sparc/mdesc.h> |