forked from Minki/linux
a00736e936
Used the following script to copy the files: cd include set -e SPARC64=`ls asm-sparc64` for FILE in ${SPARC64}; do if [ -f asm-sparc/$FILE ]; then echo $FILE exist in asm-sparc else git mv asm-sparc64/$FILE asm-sparc/$FILE printf "#include <asm-sparc/$FILE>\n" > asm-sparc64/$FILE git add asm-sparc64/$FILE fi done Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
79 lines
2.4 KiB
C
79 lines
2.4 KiB
C
#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
|