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#ifndef _PRIO_H
#define _PRIO_H
/*
* knowing about path struct gives flexibility to prioritizers
*/
#include "checkers.h"
#include "vector.h"
#include "structs.h"
#include "list.h"
#include "memory.h"
#define DEFAULT_PRIO "const"
#define DEFAULT_PRIO_ARGS ""
/*
* Known prioritizers for use in hwtable.c
*/
#define PRIO_ALUA "alua"
#define PRIO_CONST "const"
#define PRIO_EMC "emc"
#define PRIO_HDS "hds"
#define PRIO_HP_SW "hp_sw"
#define PRIO_NETAPP "netapp"
#define PRIO_RANDOM "random"
#define PRIO_RDAC "rdac"
#define PRIO_DATACORE "datacore"
/*
* Value used to mark the fact prio was not defined
*/
#define PRIO_UNDEF -1
/*
* strings lengths
*/
#define LIB_PRIO_NAMELEN 255
#define PRIO_NAME_LEN 16
#define PRIO_ARGS_LEN 255
struct prio {
struct list_head node;
char name[PRIO_NAME_LEN];
char args[PRIO_ARGS_LEN];
int (*getprio)(struct path *, char *);
};
int init_prio (void);
void cleanup_prio (void);
struct prio * add_prio (char *);
struct prio * prio_lookup (char *);
int prio_getprio (struct prio *, struct path *);
char * prio_name (struct prio *);
char * prio_args (struct prio *);
int prio_set_args (struct prio *, char *);
#endif /* _PRIO_H */
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