1 /* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
2 /* Copyright (c) 2016-2018 Mellanox Technologies. All rights reserved */
3 
4 #ifndef _MLXSW_RESOURCES_H
5 #define _MLXSW_RESOURCES_H
6 
7 #include <linux/kernel.h>
8 #include <linux/types.h>
9 
10 enum mlxsw_res_id {
11 	MLXSW_RES_ID_KVD_SIZE,
12 	MLXSW_RES_ID_KVD_SINGLE_MIN_SIZE,
13 	MLXSW_RES_ID_KVD_DOUBLE_MIN_SIZE,
14 	MLXSW_RES_ID_MAX_KVD_LINEAR_RANGE,
15 	MLXSW_RES_ID_MAX_KVD_ACTION_SETS,
16 	MLXSW_RES_ID_MAX_TRAP_GROUPS,
17 	MLXSW_RES_ID_CQE_V0,
18 	MLXSW_RES_ID_CQE_V1,
19 	MLXSW_RES_ID_CQE_V2,
20 	MLXSW_RES_ID_COUNTER_POOL_SIZE,
21 	MLXSW_RES_ID_MAX_SPAN,
22 	MLXSW_RES_ID_COUNTER_SIZE_PACKETS_BYTES,
23 	MLXSW_RES_ID_COUNTER_SIZE_ROUTER_BASIC,
24 	MLXSW_RES_ID_MAX_SYSTEM_PORT,
25 	MLXSW_RES_ID_MAX_LAG,
26 	MLXSW_RES_ID_MAX_LAG_MEMBERS,
27 	MLXSW_RES_ID_LOCAL_PORTS_IN_1X,
28 	MLXSW_RES_ID_LOCAL_PORTS_IN_2X,
29 	MLXSW_RES_ID_LOCAL_PORTS_IN_4X,
30 	MLXSW_RES_ID_GUARANTEED_SHARED_BUFFER,
31 	MLXSW_RES_ID_CELL_SIZE,
32 	MLXSW_RES_ID_MAX_HEADROOM_SIZE,
33 	MLXSW_RES_ID_ACL_MAX_TCAM_REGIONS,
34 	MLXSW_RES_ID_ACL_MAX_TCAM_RULES,
35 	MLXSW_RES_ID_ACL_MAX_REGIONS,
36 	MLXSW_RES_ID_ACL_MAX_GROUPS,
37 	MLXSW_RES_ID_ACL_MAX_GROUP_SIZE,
38 	MLXSW_RES_ID_ACL_FLEX_KEYS,
39 	MLXSW_RES_ID_ACL_MAX_ACTION_PER_RULE,
40 	MLXSW_RES_ID_ACL_ACTIONS_PER_SET,
41 	MLXSW_RES_ID_ACL_MAX_ERPT_BANKS,
42 	MLXSW_RES_ID_ACL_MAX_ERPT_BANK_SIZE,
43 	MLXSW_RES_ID_ACL_MAX_LARGE_KEY_ID,
44 	MLXSW_RES_ID_ACL_ERPT_ENTRIES_2KB,
45 	MLXSW_RES_ID_ACL_ERPT_ENTRIES_4KB,
46 	MLXSW_RES_ID_ACL_ERPT_ENTRIES_8KB,
47 	MLXSW_RES_ID_ACL_ERPT_ENTRIES_12KB,
48 	MLXSW_RES_ID_ACL_MAX_BF_LOG,
49 	MLXSW_RES_ID_MAX_CPU_POLICERS,
50 	MLXSW_RES_ID_MAX_VRS,
51 	MLXSW_RES_ID_MAX_RIFS,
52 	MLXSW_RES_ID_MC_ERIF_LIST_ENTRIES,
53 	MLXSW_RES_ID_MAX_LPM_TREES,
54 	MLXSW_RES_ID_MAX_NVE_MC_ENTRIES_IPV4,
55 	MLXSW_RES_ID_MAX_NVE_MC_ENTRIES_IPV6,
56 
57 	/* Internal resources.
58 	 * Determined by the SW, not queried from the HW.
59 	 */
60 	MLXSW_RES_ID_KVD_SINGLE_SIZE,
61 	MLXSW_RES_ID_KVD_DOUBLE_SIZE,
62 	MLXSW_RES_ID_KVD_LINEAR_SIZE,
63 
64 	__MLXSW_RES_ID_MAX,
65 };
66 
67 static u16 mlxsw_res_ids[] = {
68 	[MLXSW_RES_ID_KVD_SIZE] = 0x1001,
69 	[MLXSW_RES_ID_KVD_SINGLE_MIN_SIZE] = 0x1002,
70 	[MLXSW_RES_ID_KVD_DOUBLE_MIN_SIZE] = 0x1003,
71 	[MLXSW_RES_ID_MAX_KVD_LINEAR_RANGE] = 0x1005,
72 	[MLXSW_RES_ID_MAX_KVD_ACTION_SETS] = 0x1007,
73 	[MLXSW_RES_ID_MAX_TRAP_GROUPS] = 0x2201,
74 	[MLXSW_RES_ID_CQE_V0] = 0x2210,
75 	[MLXSW_RES_ID_CQE_V1] = 0x2211,
76 	[MLXSW_RES_ID_CQE_V2] = 0x2212,
77 	[MLXSW_RES_ID_COUNTER_POOL_SIZE] = 0x2410,
78 	[MLXSW_RES_ID_MAX_SPAN] = 0x2420,
79 	[MLXSW_RES_ID_COUNTER_SIZE_PACKETS_BYTES] = 0x2443,
80 	[MLXSW_RES_ID_COUNTER_SIZE_ROUTER_BASIC] = 0x2449,
81 	[MLXSW_RES_ID_MAX_SYSTEM_PORT] = 0x2502,
82 	[MLXSW_RES_ID_MAX_LAG] = 0x2520,
83 	[MLXSW_RES_ID_MAX_LAG_MEMBERS] = 0x2521,
84 	[MLXSW_RES_ID_LOCAL_PORTS_IN_1X] = 0x2610,
85 	[MLXSW_RES_ID_LOCAL_PORTS_IN_2X] = 0x2611,
86 	[MLXSW_RES_ID_LOCAL_PORTS_IN_4X] = 0x2612,
87 	[MLXSW_RES_ID_GUARANTEED_SHARED_BUFFER] = 0x2805,	/* Bytes */
88 	[MLXSW_RES_ID_CELL_SIZE] = 0x2803,	/* Bytes */
89 	[MLXSW_RES_ID_MAX_HEADROOM_SIZE] = 0x2811,	/* Bytes */
90 	[MLXSW_RES_ID_ACL_MAX_TCAM_REGIONS] = 0x2901,
91 	[MLXSW_RES_ID_ACL_MAX_TCAM_RULES] = 0x2902,
92 	[MLXSW_RES_ID_ACL_MAX_REGIONS] = 0x2903,
93 	[MLXSW_RES_ID_ACL_MAX_GROUPS] = 0x2904,
94 	[MLXSW_RES_ID_ACL_MAX_GROUP_SIZE] = 0x2905,
95 	[MLXSW_RES_ID_ACL_FLEX_KEYS] = 0x2910,
96 	[MLXSW_RES_ID_ACL_MAX_ACTION_PER_RULE] = 0x2911,
97 	[MLXSW_RES_ID_ACL_ACTIONS_PER_SET] = 0x2912,
98 	[MLXSW_RES_ID_ACL_MAX_ERPT_BANKS] = 0x2940,
99 	[MLXSW_RES_ID_ACL_MAX_ERPT_BANK_SIZE] = 0x2941,
100 	[MLXSW_RES_ID_ACL_MAX_LARGE_KEY_ID] = 0x2942,
101 	[MLXSW_RES_ID_ACL_ERPT_ENTRIES_2KB] = 0x2950,
102 	[MLXSW_RES_ID_ACL_ERPT_ENTRIES_4KB] = 0x2951,
103 	[MLXSW_RES_ID_ACL_ERPT_ENTRIES_8KB] = 0x2952,
104 	[MLXSW_RES_ID_ACL_ERPT_ENTRIES_12KB] = 0x2953,
105 	[MLXSW_RES_ID_ACL_MAX_BF_LOG] = 0x2960,
106 	[MLXSW_RES_ID_MAX_CPU_POLICERS] = 0x2A13,
107 	[MLXSW_RES_ID_MAX_VRS] = 0x2C01,
108 	[MLXSW_RES_ID_MAX_RIFS] = 0x2C02,
109 	[MLXSW_RES_ID_MC_ERIF_LIST_ENTRIES] = 0x2C10,
110 	[MLXSW_RES_ID_MAX_LPM_TREES] = 0x2C30,
111 	[MLXSW_RES_ID_MAX_NVE_MC_ENTRIES_IPV4] = 0x2E02,
112 	[MLXSW_RES_ID_MAX_NVE_MC_ENTRIES_IPV6] = 0x2E03,
113 };
114 
115 struct mlxsw_res {
116 	bool valid[__MLXSW_RES_ID_MAX];
117 	u64 values[__MLXSW_RES_ID_MAX];
118 };
119 
120 static inline bool mlxsw_res_valid(struct mlxsw_res *res,
121 				   enum mlxsw_res_id res_id)
122 {
123 	return res->valid[res_id];
124 }
125 
126 #define MLXSW_RES_VALID(res, short_res_id)			\
127 	mlxsw_res_valid(res, MLXSW_RES_ID_##short_res_id)
128 
129 static inline u64 mlxsw_res_get(struct mlxsw_res *res,
130 				enum mlxsw_res_id res_id)
131 {
132 	if (WARN_ON(!res->valid[res_id]))
133 		return 0;
134 	return res->values[res_id];
135 }
136 
137 #define MLXSW_RES_GET(res, short_res_id)			\
138 	mlxsw_res_get(res, MLXSW_RES_ID_##short_res_id)
139 
140 static inline void mlxsw_res_set(struct mlxsw_res *res,
141 				 enum mlxsw_res_id res_id, u64 value)
142 {
143 	res->valid[res_id] = true;
144 	res->values[res_id] = value;
145 }
146 
147 #define MLXSW_RES_SET(res, short_res_id, value)			\
148 	mlxsw_res_set(res, MLXSW_RES_ID_##short_res_id, value)
149 
150 static inline void mlxsw_res_parse(struct mlxsw_res *res, u16 id, u64 value)
151 {
152 	int i;
153 
154 	for (i = 0; i < ARRAY_SIZE(mlxsw_res_ids); i++) {
155 		if (mlxsw_res_ids[i] == id) {
156 			mlxsw_res_set(res, i, value);
157 			return;
158 		}
159 	}
160 }
161 
162 #endif
163