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/*!

  \file dsap_module.h
 
  $Revision: 1.3 $
  $Date: 2015/01/22 18:07:38 $

  Defines the prototypes and constants used by the ibacm provider dsap.
*/
#ifndef _DSAP_H_
#define _DSAP_H_

#include <pthread.h>
#include <infiniband/verbs.h>
#include <infiniband/acm.h>
#include <infiniband/acm_prov.h>
#include <infiniband/sa.h> 

#include <iba/ibt.h>
#include <iba/public/ilist.h>
#include "ispinlock_osd.h"
#include "opamgt_sa_priv.h"

#include "dsap_topology.h"

#define MAX_EP_ADDR 4

#define for_each(list, item) \
	for (item = QListHead(list); item != NULL; item = QListNext(list, item))

typedef enum port_event_type {
	DSAP_PT_EVT_SRC_PORT_UP,
	DSAP_PT_EVT_SRC_PORT_DOWN,
	DSAP_PT_EVT_DST_PORT_UP,
	DSAP_PT_EVT_DST_PORT_DOWN,
	DSAP_PT_EVT_PORT_RESCAN,
	DSAP_PT_EVT_FULL_RESCAN
} port_event_type_t;

typedef enum default_fabric_action {
	DSAP_DEF_FAB_ACT_NORMAL,
	DSAP_DEF_FAB_ACT_NONE,
	DSAP_DEF_FAB_ACT_ALL
} default_fabric_action_t;


/* Device/port/endpoint/adddress structures for local provider ports */
struct dsap_device; 

struct dsap_port {
	struct dsap_device      *dev;
	const struct acm_port   *port;
	QUICK_LIST              ep_list;
	SPIN_LOCK               lock;
	enum ibv_port_state     state;
	uint16_t                default_pkey_ix;
	uint16_t                lid;
	uint16_t                lid_mask;
	uint16_t                lmc;
	uint16_t                sm_lid;
	pthread_t               notice_thread;
	int                     notice_started;
	int                     terminating;
	struct omgt_port         *omgt_handle;
	void                    *lib_handle;
};


struct dsap_device {
	const struct acm_device *device;
	LIST_ITEM               item;
	int                     port_cnt;
	struct dsap_port        port[0];
};

struct dsap_ep;

struct dsap_addr {
	uint16_t              type;
	union acm_ep_info     info;
	struct acm_address    *addr;
	struct dsap_ep        *ep;
};

struct dsap_ep {
	struct dsap_port          *port;
	LIST_ITEM                 item;
	char                      id_string[ACM_MAX_ADDRESS];
	const struct acm_endpoint *endpoint;
	SPIN_LOCK                 lock;
	struct dsap_addr          addr_info[MAX_EP_ADDR];
	uint64_t                  counters[ACM_MAX_COUNTER];
};

/* Configuration parameters */
extern uint32 dsap_no_subscribe;
extern uint32 dsap_unsub_scan_frequency;
extern uint32 dsap_scan_frequency;
extern boolean dsap_publish;
extern uint32 dsap_default_fabric;

/* Function prototypes */
void dsap_get_config(char *filename);
void dsap_cleanup(void);
FSTATUS dsap_init(void);
void dsap_omgt_log_init(struct omgt_port *omgt_port);

int dsap_default_fabric_parser(char *str, void *ptr);
char *dsap_default_fabric_printer(void *ptr);

FSTATUS dsap_scanner_init(void);
FSTATUS dsap_scanner_start(void);
void dsap_scanner_cleanup(void);

FSTATUS dsap_query_path_records(dsap_src_port_t *src_port,
				dsap_dst_port_t *dst_port, uint64_t sid, 
				uint16_t pkey);

FSTATUS dsap_query_dst_ports(dsap_subnet_t *subnet);
FSTATUS dsap_query_default_vfinfo_record(dsap_subnet_t *subnet);
FSTATUS dsap_query_vfinfo_records(dsap_subnet_t *subnet,
				  dsap_service_id_range_t *service_id_range);
FSTATUS dsap_query_dst_port(union ibv_gid *dst_gid, NODE_TYPE *node_type,
			    char * node_desc);

void dsap_port_event(uint64 src_guid, uint64 src_subnet, uint64 dest_guid,
		     port_event_type_t port_event_type);

struct dsap_port * dsap_lock_prov_port(dsap_src_port_t *src_port);
void dsap_release_prov_port(struct dsap_port *port);
FSTATUS dsap_add_src_ports(void);

#endif