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
10enum 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_COUNTER_BANK_SIZE,
22	MLXSW_RES_ID_MAX_SPAN,
23	MLXSW_RES_ID_COUNTER_SIZE_PACKETS_BYTES,
24	MLXSW_RES_ID_COUNTER_SIZE_ROUTER_BASIC,
25	MLXSW_RES_ID_MAX_SYSTEM_PORT,
26	MLXSW_RES_ID_MAX_LAG,
27	MLXSW_RES_ID_MAX_LAG_MEMBERS,
28	MLXSW_RES_ID_LOCAL_PORTS_IN_1X,
29	MLXSW_RES_ID_LOCAL_PORTS_IN_2X,
30	MLXSW_RES_ID_LOCAL_PORTS_IN_4X,
31	MLXSW_RES_ID_GUARANTEED_SHARED_BUFFER,
32	MLXSW_RES_ID_CELL_SIZE,
33	MLXSW_RES_ID_MAX_HEADROOM_SIZE,
34	MLXSW_RES_ID_ACL_MAX_TCAM_REGIONS,
35	MLXSW_RES_ID_ACL_MAX_TCAM_RULES,
36	MLXSW_RES_ID_ACL_MAX_REGIONS,
37	MLXSW_RES_ID_ACL_MAX_GROUPS,
38	MLXSW_RES_ID_ACL_MAX_GROUP_SIZE,
39	MLXSW_RES_ID_ACL_FLEX_KEYS,
40	MLXSW_RES_ID_ACL_MAX_ACTION_PER_RULE,
41	MLXSW_RES_ID_ACL_ACTIONS_PER_SET,
42	MLXSW_RES_ID_ACL_MAX_ERPT_BANKS,
43	MLXSW_RES_ID_ACL_MAX_ERPT_BANK_SIZE,
44	MLXSW_RES_ID_ACL_MAX_LARGE_KEY_ID,
45	MLXSW_RES_ID_ACL_ERPT_ENTRIES_2KB,
46	MLXSW_RES_ID_ACL_ERPT_ENTRIES_4KB,
47	MLXSW_RES_ID_ACL_ERPT_ENTRIES_8KB,
48	MLXSW_RES_ID_ACL_ERPT_ENTRIES_12KB,
49	MLXSW_RES_ID_ACL_MAX_BF_LOG,
50	MLXSW_RES_ID_MAX_GLOBAL_POLICERS,
51	MLXSW_RES_ID_MAX_CPU_POLICERS,
52	MLXSW_RES_ID_MAX_VRS,
53	MLXSW_RES_ID_MAX_RIFS,
54	MLXSW_RES_ID_MC_ERIF_LIST_ENTRIES,
55	MLXSW_RES_ID_MAX_LPM_TREES,
56	MLXSW_RES_ID_MAX_NVE_MC_ENTRIES_IPV4,
57	MLXSW_RES_ID_MAX_NVE_MC_ENTRIES_IPV6,
58
59	/* Internal resources.
60	 * Determined by the SW, not queried from the HW.
61	 */
62	MLXSW_RES_ID_KVD_SINGLE_SIZE,
63	MLXSW_RES_ID_KVD_DOUBLE_SIZE,
64	MLXSW_RES_ID_KVD_LINEAR_SIZE,
65
66	__MLXSW_RES_ID_MAX,
67};
68
69static u16 mlxsw_res_ids[] = {
70	[MLXSW_RES_ID_KVD_SIZE] = 0x1001,
71	[MLXSW_RES_ID_KVD_SINGLE_MIN_SIZE] = 0x1002,
72	[MLXSW_RES_ID_KVD_DOUBLE_MIN_SIZE] = 0x1003,
73	[MLXSW_RES_ID_MAX_KVD_LINEAR_RANGE] = 0x1005,
74	[MLXSW_RES_ID_MAX_KVD_ACTION_SETS] = 0x1007,
75	[MLXSW_RES_ID_MAX_TRAP_GROUPS] = 0x2201,
76	[MLXSW_RES_ID_CQE_V0] = 0x2210,
77	[MLXSW_RES_ID_CQE_V1] = 0x2211,
78	[MLXSW_RES_ID_CQE_V2] = 0x2212,
79	[MLXSW_RES_ID_COUNTER_POOL_SIZE] = 0x2410,
80	[MLXSW_RES_ID_COUNTER_BANK_SIZE] = 0x2411,
81	[MLXSW_RES_ID_MAX_SPAN] = 0x2420,
82	[MLXSW_RES_ID_COUNTER_SIZE_PACKETS_BYTES] = 0x2443,
83	[MLXSW_RES_ID_COUNTER_SIZE_ROUTER_BASIC] = 0x2449,
84	[MLXSW_RES_ID_MAX_SYSTEM_PORT] = 0x2502,
85	[MLXSW_RES_ID_MAX_LAG] = 0x2520,
86	[MLXSW_RES_ID_MAX_LAG_MEMBERS] = 0x2521,
87	[MLXSW_RES_ID_LOCAL_PORTS_IN_1X] = 0x2610,
88	[MLXSW_RES_ID_LOCAL_PORTS_IN_2X] = 0x2611,
89	[MLXSW_RES_ID_LOCAL_PORTS_IN_4X] = 0x2612,
90	[MLXSW_RES_ID_GUARANTEED_SHARED_BUFFER] = 0x2805,	/* Bytes */
91	[MLXSW_RES_ID_CELL_SIZE] = 0x2803,	/* Bytes */
92	[MLXSW_RES_ID_MAX_HEADROOM_SIZE] = 0x2811,	/* Bytes */
93	[MLXSW_RES_ID_ACL_MAX_TCAM_REGIONS] = 0x2901,
94	[MLXSW_RES_ID_ACL_MAX_TCAM_RULES] = 0x2902,
95	[MLXSW_RES_ID_ACL_MAX_REGIONS] = 0x2903,
96	[MLXSW_RES_ID_ACL_MAX_GROUPS] = 0x2904,
97	[MLXSW_RES_ID_ACL_MAX_GROUP_SIZE] = 0x2905,
98	[MLXSW_RES_ID_ACL_FLEX_KEYS] = 0x2910,
99	[MLXSW_RES_ID_ACL_MAX_ACTION_PER_RULE] = 0x2911,
100	[MLXSW_RES_ID_ACL_ACTIONS_PER_SET] = 0x2912,
101	[MLXSW_RES_ID_ACL_MAX_ERPT_BANKS] = 0x2940,
102	[MLXSW_RES_ID_ACL_MAX_ERPT_BANK_SIZE] = 0x2941,
103	[MLXSW_RES_ID_ACL_MAX_LARGE_KEY_ID] = 0x2942,
104	[MLXSW_RES_ID_ACL_ERPT_ENTRIES_2KB] = 0x2950,
105	[MLXSW_RES_ID_ACL_ERPT_ENTRIES_4KB] = 0x2951,
106	[MLXSW_RES_ID_ACL_ERPT_ENTRIES_8KB] = 0x2952,
107	[MLXSW_RES_ID_ACL_ERPT_ENTRIES_12KB] = 0x2953,
108	[MLXSW_RES_ID_ACL_MAX_BF_LOG] = 0x2960,
109	[MLXSW_RES_ID_MAX_GLOBAL_POLICERS] = 0x2A10,
110	[MLXSW_RES_ID_MAX_CPU_POLICERS] = 0x2A13,
111	[MLXSW_RES_ID_MAX_VRS] = 0x2C01,
112	[MLXSW_RES_ID_MAX_RIFS] = 0x2C02,
113	[MLXSW_RES_ID_MC_ERIF_LIST_ENTRIES] = 0x2C10,
114	[MLXSW_RES_ID_MAX_LPM_TREES] = 0x2C30,
115	[MLXSW_RES_ID_MAX_NVE_MC_ENTRIES_IPV4] = 0x2E02,
116	[MLXSW_RES_ID_MAX_NVE_MC_ENTRIES_IPV6] = 0x2E03,
117};
118
119struct mlxsw_res {
120	bool valid[__MLXSW_RES_ID_MAX];
121	u64 values[__MLXSW_RES_ID_MAX];
122};
123
124static inline bool mlxsw_res_valid(struct mlxsw_res *res,
125				   enum mlxsw_res_id res_id)
126{
127	return res->valid[res_id];
128}
129
130#define MLXSW_RES_VALID(res, short_res_id)			\
131	mlxsw_res_valid(res, MLXSW_RES_ID_##short_res_id)
132
133static inline u64 mlxsw_res_get(struct mlxsw_res *res,
134				enum mlxsw_res_id res_id)
135{
136	if (WARN_ON(!res->valid[res_id]))
137		return 0;
138	return res->values[res_id];
139}
140
141#define MLXSW_RES_GET(res, short_res_id)			\
142	mlxsw_res_get(res, MLXSW_RES_ID_##short_res_id)
143
144static inline void mlxsw_res_set(struct mlxsw_res *res,
145				 enum mlxsw_res_id res_id, u64 value)
146{
147	res->valid[res_id] = true;
148	res->values[res_id] = value;
149}
150
151#define MLXSW_RES_SET(res, short_res_id, value)			\
152	mlxsw_res_set(res, MLXSW_RES_ID_##short_res_id, value)
153
154static inline void mlxsw_res_parse(struct mlxsw_res *res, u16 id, u64 value)
155{
156	int i;
157
158	for (i = 0; i < ARRAY_SIZE(mlxsw_res_ids); i++) {
159		if (mlxsw_res_ids[i] == id) {
160			mlxsw_res_set(res, i, value);
161			return;
162		}
163	}
164}
165
166#endif
167