1 /*
2  * Copyright (c) 2008 Lawrence Livermore National Laboratory
3  *
4  * This software is available to you under a choice of one of two
5  * licenses.  You may choose to be licensed under the terms of the GNU
6  * General Public License (GPL) Version 2, available from the file
7  * COPYING in the main directory of this source tree, or the
8  * OpenIB.org BSD license below:
9  *
10  *     Redistribution and use in source and binary forms, with or
11  *     without modification, are permitted provided that the following
12  *     conditions are met:
13  *
14  *      - Redistributions of source code must retain the above
15  *        copyright notice, this list of conditions and the following
16  *        disclaimer.
17  *
18  *      - Redistributions in binary form must reproduce the above
19  *        copyright notice, this list of conditions and the following
20  *        disclaimer in the documentation and/or other materials
21  *        provided with the distribution.
22  *
23  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30  * SOFTWARE.
31  *
32  */
33 
34 /** =========================================================================
35  * Define the internal data structures.
36  */
37 
38 #ifndef _INTERNAL_H_
39 #define _INTERNAL_H_
40 
41 #include <infiniband/ibnetdisc.h>
42 #include <complib/cl_qmap.h>
43 
44 #define	IBND_DEBUG(fmt, ...) \
45 	if (ibdebug) { \
46 		printf("%s:%u; " fmt, __FILE__, __LINE__, ## __VA_ARGS__); \
47 	}
48 #define	IBND_ERROR(fmt, ...) \
49 		fprintf(stderr, "%s:%u; " fmt, __FILE__, __LINE__, ## __VA_ARGS__)
50 
51 /* HASH table defines */
52 #define HASHGUID(guid) ((uint32_t)(((uint32_t)(guid) * 101) ^ ((uint32_t)((guid) >> 32) * 103)))
53 
54 #define MAXHOPS         63
55 
56 #define DEFAULT_MAX_SMP_ON_WIRE 2
57 #define DEFAULT_TIMEOUT 1000
58 #define DEFAULT_RETRIES 3
59 
60 #define	GINT_TO_POINTER(x) ((void *)(uintptr_t)(x))
61 
62 typedef struct GHashTable GHashTable;
63 
64 #define	g_hash_table_new_full(...) GHashTableNew()
65 #define	g_hash_table_destroy(...) GHashTableDestroy(__VA_ARGS__)
66 #define	g_hash_table_insert(...) GHashTableInsert(__VA_ARGS__)
67 #define	g_hash_table_lookup(...) GHashTableLookup(__VA_ARGS__)
68 
69 extern GHashTable *GHashTableNew(void);
70 extern void GHashTableDestroy(GHashTable *);
71 extern void GHashTableInsert(GHashTable *, void *key, void *value);
72 extern void *GHashTableLookup(GHashTable *, void *key);
73 
74 typedef struct f_internal {
75 	ibnd_fabric_t fabric;
76 	GHashTable *lid2guid;
77 } f_internal_t;
78 f_internal_t *allocate_fabric_internal(void);
79 void create_lid2guid(f_internal_t *f_int);
80 void destroy_lid2guid(f_internal_t *f_int);
81 void add_to_portlid_hash(ibnd_port_t * port, GHashTable *htable);
82 
83 typedef struct ibnd_scan {
84 	ib_portid_t selfportid;
85 	f_internal_t *f_int;
86 	struct ibnd_config *cfg;
87 	unsigned initial_hops;
88 } ibnd_scan_t;
89 
90 typedef struct ibnd_smp ibnd_smp_t;
91 typedef struct smp_engine smp_engine_t;
92 typedef int (*smp_comp_cb_t) (smp_engine_t * engine, ibnd_smp_t * smp,
93 			      uint8_t * mad_resp, void *cb_data);
94 struct ibnd_smp {
95 	cl_map_item_t on_wire;
96 	struct ibnd_smp *qnext;
97 	smp_comp_cb_t cb;
98 	void *cb_data;
99 	ib_portid_t path;
100 	ib_rpc_t rpc;
101 };
102 
103 struct smp_engine {
104 	int umad_fd;
105 	int smi_agent;
106 	int smi_dir_agent;
107 	ibnd_smp_t *smp_queue_head;
108 	ibnd_smp_t *smp_queue_tail;
109 	void *user_data;
110 	cl_qmap_t smps_on_wire;
111 	struct ibnd_config *cfg;
112 	unsigned total_smps;
113 };
114 
115 int smp_engine_init(smp_engine_t * engine, char * ca_name, int ca_port,
116 		    void *user_data, ibnd_config_t *cfg);
117 int issue_smp(smp_engine_t * engine, ib_portid_t * portid,
118 	      unsigned attrid, unsigned mod, smp_comp_cb_t cb, void *cb_data);
119 int process_mads(smp_engine_t * engine);
120 void smp_engine_destroy(smp_engine_t * engine);
121 
122 int add_to_nodeguid_hash(ibnd_node_t * node, ibnd_node_t * hash[]);
123 
124 int add_to_portguid_hash(ibnd_port_t * port, ibnd_port_t * hash[]);
125 
126 void add_to_type_list(ibnd_node_t * node, f_internal_t * fabric);
127 
128 void destroy_node(ibnd_node_t * node);
129 
130 #endif				/* _INTERNAL_H_ */
131