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