1 /*
2  * Copyright (c) 2004-2009 Voltaire, Inc. All rights reserved.
3  * Copyright (c) 2002-2012 Mellanox Technologies LTD. All rights reserved.
4  * Copyright (c) 1996-2003 Intel Corporation. All rights reserved.
5  *
6  * This software is available to you under a choice of one of two
7  * licenses.  You may choose to be licensed under the terms of the GNU
8  * General Public License (GPL) Version 2, available from the file
9  * COPYING in the main directory of this source tree, or the
10  * OpenIB.org BSD license below:
11  *
12  *     Redistribution and use in source and binary forms, with or
13  *     without modification, are permitted provided that the following
14  *     conditions are met:
15  *
16  *      - Redistributions of source code must retain the above
17  *        copyright notice, this list of conditions and the following
18  *        disclaimer.
19  *
20  *      - Redistributions in binary form must reproduce the above
21  *        copyright notice, this list of conditions and the following
22  *        disclaimer in the documentation and/or other materials
23  *        provided with the distribution.
24  *
25  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
26  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
27  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
28  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
29  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
30  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
31  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
32  * SOFTWARE.
33  *
34  */
35 
36 /*
37  * Abstract:
38  *    Declaration of OSM QoS Policy data types and functions.
39  *
40  * Author:
41  *    Yevgeny Kliteynik, Mellanox
42  */
43 
44 #ifndef OSM_QOS_POLICY_H
45 #define OSM_QOS_POLICY_H
46 
47 #include <iba/ib_types.h>
48 #include <complib/cl_list.h>
49 #include <opensm/st.h>
50 #include <opensm/osm_port.h>
51 #include <opensm/osm_partition.h>
52 
53 #define YYSTYPE char *
54 #define OSM_QOS_POLICY_MAX_PORTS_ON_SWITCH  128
55 #define OSM_QOS_POLICY_DEFAULT_LEVEL_NAME   "default"
56 
57 #define OSM_QOS_POLICY_ULP_SDP_SERVICE_ID   0x0000000000010000ULL
58 #define OSM_QOS_POLICY_ULP_RDS_SERVICE_ID   0x0000000001060000ULL
59 #define OSM_QOS_POLICY_ULP_RDS_PORT         0x48CA
60 #define OSM_QOS_POLICY_ULP_ISER_SERVICE_ID  0x0000000001060000ULL
61 #define OSM_QOS_POLICY_ULP_ISER_PORT        0x0CBC
62 
63 #define OSM_QOS_POLICY_NODE_TYPE_CA        (((uint8_t)1)<<IB_NODE_TYPE_CA)
64 #define OSM_QOS_POLICY_NODE_TYPE_SWITCH    (((uint8_t)1)<<IB_NODE_TYPE_SWITCH)
65 #define OSM_QOS_POLICY_NODE_TYPE_ROUTER    (((uint8_t)1)<<IB_NODE_TYPE_ROUTER)
66 
67 /***************************************************/
68 
69 typedef struct osm_qos_port {
70 	cl_map_item_t map_item;
71 	osm_physp_t * p_physp;
72 } osm_qos_port_t;
73 
74 typedef struct osm_qos_port_group {
75 	char *name;			/* single string (this port group name) */
76 	char *use;			/* single string (description) */
77 	uint8_t node_types;		/* node types bitmask */
78 	cl_qmap_t port_map;
79 } osm_qos_port_group_t;
80 
81 /***************************************************/
82 
83 typedef struct osm_qos_vlarb_scope {
84 	cl_list_t group_list;		/* list of group names (strings) */
85 	cl_list_t across_list;		/* list of 'across' group names (strings) */
86 	cl_list_t vlarb_high_list;	/* list of num pairs (n:m,...), 32-bit values */
87 	cl_list_t vlarb_low_list;	/* list of num pairs (n:m,...), 32-bit values */
88 	uint32_t vl_high_limit;		/* single integer */
89 	boolean_t vl_high_limit_set;
90 } osm_qos_vlarb_scope_t;
91 
92 /***************************************************/
93 
94 typedef struct osm_qos_sl2vl_scope {
95 	cl_list_t group_list;		/* list of strings (port group names) */
96 	boolean_t from[OSM_QOS_POLICY_MAX_PORTS_ON_SWITCH];
97 	boolean_t to[OSM_QOS_POLICY_MAX_PORTS_ON_SWITCH];
98 	cl_list_t across_from_list;	/* list of strings (port group names) */
99 	cl_list_t across_to_list;	/* list of strings (port group names) */
100 	uint8_t sl2vl_table[16];	/* array of sl2vl values */
101 	boolean_t sl2vl_table_set;
102 } osm_qos_sl2vl_scope_t;
103 
104 /***************************************************/
105 
106 typedef struct osm_qos_level {
107 	char *use;
108 	char *name;
109 	uint8_t sl;
110 	boolean_t sl_set;
111 	uint8_t mtu_limit;
112 	boolean_t mtu_limit_set;
113 	uint8_t rate_limit;
114 	boolean_t rate_limit_set;
115 	uint8_t pkt_life;
116 	boolean_t pkt_life_set;
117 	uint64_t **path_bits_range_arr;	/* array of bit ranges (real values are 32bits) */
118 	unsigned path_bits_range_len;	/* num of bit ranges in the array */
119 	uint64_t **pkey_range_arr;	/* array of PKey ranges (real values are 16bits) */
120 	unsigned pkey_range_len;
121 } osm_qos_level_t;
122 
123 
124 /***************************************************/
125 
126 typedef struct osm_qos_match_rule {
127 	char *use;
128 	cl_list_t source_list;			/* list of strings */
129 	cl_list_t source_group_list;		/* list of pointers to relevant port-group */
130 	cl_list_t destination_list;		/* list of strings */
131 	cl_list_t destination_group_list;	/* list of pointers to relevant port-group */
132 	char *qos_level_name;
133 	osm_qos_level_t *p_qos_level;
134 	uint64_t **service_id_range_arr;	/* array of SID ranges (64-bit values) */
135 	unsigned service_id_range_len;
136 	uint64_t **qos_class_range_arr;		/* array of QoS Class ranges (real values are 16bits) */
137 	unsigned qos_class_range_len;
138 	uint64_t **pkey_range_arr;		/* array of PKey ranges (real values are 16bits) */
139 	unsigned pkey_range_len;
140 } osm_qos_match_rule_t;
141 
142 /***************************************************/
143 
144 typedef struct osm_qos_policy {
145 	cl_list_t port_groups;			/* list of osm_qos_port_group_t */
146 	cl_list_t sl2vl_tables;			/* list of osm_qos_sl2vl_scope_t */
147 	cl_list_t vlarb_tables;			/* list of osm_qos_vlarb_scope_t */
148 	cl_list_t qos_levels;			/* list of osm_qos_level_t */
149 	cl_list_t qos_match_rules;		/* list of osm_qos_match_rule_t */
150 	osm_qos_level_t *p_default_qos_level;	/* default QoS level */
151 	osm_subn_t *p_subn;			/* osm subnet object */
152 	st_table * p_node_hash;			/* node by name hash */
153 } osm_qos_policy_t;
154 
155 /***************************************************/
156 
157 osm_qos_port_t *osm_qos_policy_port_create(osm_physp_t * p_physp);
158 osm_qos_port_group_t * osm_qos_policy_port_group_create();
159 void osm_qos_policy_port_group_destroy(osm_qos_port_group_t * p_port_group);
160 
161 osm_qos_vlarb_scope_t * osm_qos_policy_vlarb_scope_create();
162 void osm_qos_policy_vlarb_scope_destroy(osm_qos_vlarb_scope_t * p_vlarb_scope);
163 
164 osm_qos_sl2vl_scope_t * osm_qos_policy_sl2vl_scope_create();
165 void osm_qos_policy_sl2vl_scope_destroy(osm_qos_sl2vl_scope_t * p_sl2vl_scope);
166 
167 osm_qos_level_t * osm_qos_policy_qos_level_create();
168 void osm_qos_policy_qos_level_destroy(osm_qos_level_t * p_qos_level);
169 
170 boolean_t osm_qos_level_has_pkey(IN const osm_qos_level_t * p_qos_level,
171 				 IN ib_net16_t pkey);
172 
173 ib_net16_t osm_qos_level_get_shared_pkey(IN const osm_qos_level_t * p_qos_level,
174 					 IN const osm_physp_t * p_src_physp,
175 					 IN const osm_physp_t * p_dest_physp,
176 					 IN const boolean_t allow_both_pkeys);
177 
178 osm_qos_match_rule_t * osm_qos_policy_match_rule_create();
179 void osm_qos_policy_match_rule_destroy(osm_qos_match_rule_t * p_match_rule);
180 
181 osm_qos_policy_t * osm_qos_policy_create(osm_subn_t * p_subn);
182 void osm_qos_policy_destroy(osm_qos_policy_t * p_qos_policy);
183 int osm_qos_policy_validate(osm_qos_policy_t * p_qos_policy, osm_log_t * p_log);
184 
185 osm_qos_level_t * osm_qos_policy_get_qos_level_by_pr(
186 	IN const osm_qos_policy_t * p_qos_policy,
187 	IN const ib_path_rec_t * p_pr,
188 	IN const osm_physp_t * p_src_physp,
189 	IN const osm_physp_t * p_dest_physp,
190 	IN ib_net64_t comp_mask);
191 
192 osm_qos_level_t * osm_qos_policy_get_qos_level_by_mpr(
193 	IN const osm_qos_policy_t * p_qos_policy,
194 	IN const ib_multipath_rec_t * p_mpr,
195 	IN const osm_physp_t * p_src_physp,
196 	IN const osm_physp_t * p_dest_physp,
197 	IN ib_net64_t comp_mask);
198 
199 /***************************************************/
200 
201 int osm_qos_parse_policy_file(IN osm_subn_t * p_subn);
202 
203 /***************************************************/
204 
205 #endif				/* ifndef OSM_QOS_POLICY_H */
206