drivers/net/ethernet/mellanox/mlxsw/resources.h

   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_MAX_BUFFER_SIZE,
  30         MLXSW_RES_ID_CELL_SIZE,
  31         MLXSW_RES_ID_MAX_HEADROOM_SIZE,
  32         MLXSW_RES_ID_ACL_MAX_TCAM_REGIONS,
  33         MLXSW_RES_ID_ACL_MAX_TCAM_RULES,
  34         MLXSW_RES_ID_ACL_MAX_REGIONS,
  35         MLXSW_RES_ID_ACL_MAX_GROUPS,
  36         MLXSW_RES_ID_ACL_MAX_GROUP_SIZE,
  37         MLXSW_RES_ID_ACL_FLEX_KEYS,
  38         MLXSW_RES_ID_ACL_MAX_ACTION_PER_RULE,
  39         MLXSW_RES_ID_ACL_ACTIONS_PER_SET,
  40         MLXSW_RES_ID_ACL_MAX_ERPT_BANKS,
  41         MLXSW_RES_ID_ACL_MAX_ERPT_BANK_SIZE,
  42         MLXSW_RES_ID_ACL_MAX_LARGE_KEY_ID,
  43         MLXSW_RES_ID_ACL_ERPT_ENTRIES_2KB,
  44         MLXSW_RES_ID_ACL_ERPT_ENTRIES_4KB,
  45         MLXSW_RES_ID_ACL_ERPT_ENTRIES_8KB,
  46         MLXSW_RES_ID_ACL_ERPT_ENTRIES_12KB,
  47         MLXSW_RES_ID_ACL_MAX_BF_LOG,
  48         MLXSW_RES_ID_MAX_CPU_POLICERS,
  49         MLXSW_RES_ID_MAX_VRS,
  50         MLXSW_RES_ID_MAX_RIFS,
  51         MLXSW_RES_ID_MC_ERIF_LIST_ENTRIES,
  52         MLXSW_RES_ID_MAX_LPM_TREES,
  53         MLXSW_RES_ID_MAX_NVE_MC_ENTRIES_IPV4,
  54         MLXSW_RES_ID_MAX_NVE_MC_ENTRIES_IPV6,
  55
  56         /* Internal resources.
  57          * Determined by the SW, not queried from the HW.
  58          */
  59         MLXSW_RES_ID_KVD_SINGLE_SIZE,
  60         MLXSW_RES_ID_KVD_DOUBLE_SIZE,
  61         MLXSW_RES_ID_KVD_LINEAR_SIZE,
  62
  63         __MLXSW_RES_ID_MAX,
  64 };
  65
  66 static u16 mlxsw_res_ids[] = {
  67         [MLXSW_RES_ID_KVD_SIZE] = 0x1001,
  68         [MLXSW_RES_ID_KVD_SINGLE_MIN_SIZE] = 0x1002,
  69         [MLXSW_RES_ID_KVD_DOUBLE_MIN_SIZE] = 0x1003,
  70         [MLXSW_RES_ID_MAX_KVD_LINEAR_RANGE] = 0x1005,
  71         [MLXSW_RES_ID_MAX_KVD_ACTION_SETS] = 0x1007,
  72         [MLXSW_RES_ID_MAX_TRAP_GROUPS] = 0x2201,
  73         [MLXSW_RES_ID_CQE_V0] = 0x2210,
  74         [MLXSW_RES_ID_CQE_V1] = 0x2211,
  75         [MLXSW_RES_ID_CQE_V2] = 0x2212,
  76         [MLXSW_RES_ID_COUNTER_POOL_SIZE] = 0x2410,
  77         [MLXSW_RES_ID_MAX_SPAN] = 0x2420,
  78         [MLXSW_RES_ID_COUNTER_SIZE_PACKETS_BYTES] = 0x2443,
  79         [MLXSW_RES_ID_COUNTER_SIZE_ROUTER_BASIC] = 0x2449,
  80         [MLXSW_RES_ID_MAX_SYSTEM_PORT] = 0x2502,
  81         [MLXSW_RES_ID_MAX_LAG] = 0x2520,
  82         [MLXSW_RES_ID_MAX_LAG_MEMBERS] = 0x2521,
  83         [MLXSW_RES_ID_LOCAL_PORTS_IN_1X] = 0x2610,
  84         [MLXSW_RES_ID_LOCAL_PORTS_IN_2X] = 0x2611,
  85         [MLXSW_RES_ID_MAX_BUFFER_SIZE] = 0x2802,        /* Bytes */
  86         [MLXSW_RES_ID_CELL_SIZE] = 0x2803,      /* Bytes */
  87         [MLXSW_RES_ID_MAX_HEADROOM_SIZE] = 0x2811,      /* Bytes */
  88         [MLXSW_RES_ID_ACL_MAX_TCAM_REGIONS] = 0x2901,
  89         [MLXSW_RES_ID_ACL_MAX_TCAM_RULES] = 0x2902,
  90         [MLXSW_RES_ID_ACL_MAX_REGIONS] = 0x2903,
  91         [MLXSW_RES_ID_ACL_MAX_GROUPS] = 0x2904,
  92         [MLXSW_RES_ID_ACL_MAX_GROUP_SIZE] = 0x2905,
  93         [MLXSW_RES_ID_ACL_FLEX_KEYS] = 0x2910,
  94         [MLXSW_RES_ID_ACL_MAX_ACTION_PER_RULE] = 0x2911,
  95         [MLXSW_RES_ID_ACL_ACTIONS_PER_SET] = 0x2912,
  96         [MLXSW_RES_ID_ACL_MAX_ERPT_BANKS] = 0x2940,
  97         [MLXSW_RES_ID_ACL_MAX_ERPT_BANK_SIZE] = 0x2941,
  98         [MLXSW_RES_ID_ACL_MAX_LARGE_KEY_ID] = 0x2942,
  99         [MLXSW_RES_ID_ACL_ERPT_ENTRIES_2KB] = 0x2950,
 100         [MLXSW_RES_ID_ACL_ERPT_ENTRIES_4KB] = 0x2951,
 101         [MLXSW_RES_ID_ACL_ERPT_ENTRIES_8KB] = 0x2952,
 102         [MLXSW_RES_ID_ACL_ERPT_ENTRIES_12KB] = 0x2953,
 103         [MLXSW_RES_ID_ACL_MAX_BF_LOG] = 0x2960,
 104         [MLXSW_RES_ID_MAX_CPU_POLICERS] = 0x2A13,
 105         [MLXSW_RES_ID_MAX_VRS] = 0x2C01,
 106         [MLXSW_RES_ID_MAX_RIFS] = 0x2C02,
 107         [MLXSW_RES_ID_MC_ERIF_LIST_ENTRIES] = 0x2C10,
 108         [MLXSW_RES_ID_MAX_LPM_TREES] = 0x2C30,
 109         [MLXSW_RES_ID_MAX_NVE_MC_ENTRIES_IPV4] = 0x2E02,
 110         [MLXSW_RES_ID_MAX_NVE_MC_ENTRIES_IPV6] = 0x2E03,
 111 };
 112
 113 struct mlxsw_res {
 114         bool valid[__MLXSW_RES_ID_MAX];
 115         u64 values[__MLXSW_RES_ID_MAX];
 116 };
 117
 118 static inline bool mlxsw_res_valid(struct mlxsw_res *res,
 119                                    enum mlxsw_res_id res_id)
 120 {
 121         return res->valid[res_id];
 122 }
 123
 124 #define MLXSW_RES_VALID(res, short_res_id)                      \
 125         mlxsw_res_valid(res, MLXSW_RES_ID_##short_res_id)
 126
 127 static inline u64 mlxsw_res_get(struct mlxsw_res *res,
 128                                 enum mlxsw_res_id res_id)
 129 {
 130         if (WARN_ON(!res->valid[res_id]))
 131                 return 0;
 132         return res->values[res_id];
 133 }
 134
 135 #define MLXSW_RES_GET(res, short_res_id)                        \
 136         mlxsw_res_get(res, MLXSW_RES_ID_##short_res_id)
 137
 138 static inline void mlxsw_res_set(struct mlxsw_res *res,
 139                                  enum mlxsw_res_id res_id, u64 value)
 140 {
 141         res->valid[res_id] = true;
 142         res->values[res_id] = value;
 143 }
 144
 145 #define MLXSW_RES_SET(res, short_res_id, value)                 \
 146         mlxsw_res_set(res, MLXSW_RES_ID_##short_res_id, value)
 147
 148 static inline void mlxsw_res_parse(struct mlxsw_res *res, u16 id, u64 value)
 149 {
 150         int i;
 151
 152         for (i = 0; i < ARRAY_SIZE(mlxsw_res_ids); i++) {
 153                 if (mlxsw_res_ids[i] == id) {
 154                         mlxsw_res_set(res, i, value);
 155                         return;
 156                 }
 157         }
 158 }
 159
 160 #endif