Quelle  resources.h   Sprache: C

/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
/* Copyright (c) 2016-2018 Mellanox Technologies. All rights reserved */

#ifndef _MLXSW_RESOURCES_H
#define _MLXSW_RESOURCES_H

#include <linux/kernel.h>
#include <linux/types.h>

enum mlxsw_res_id {
 MLXSW_RES_ID_KVD_SIZE,
 MLXSW_RES_ID_KVD_SINGLE_MIN_SIZE,
 MLXSW_RES_ID_KVD_DOUBLE_MIN_SIZE,
 MLXSW_RES_ID_PGT_SIZE,
 MLXSW_RES_ID_MAX_KVD_LINEAR_RANGE,
 MLXSW_RES_ID_MAX_KVD_ACTION_SETS,
 MLXSW_RES_ID_MAX_TRAP_GROUPS,
 MLXSW_RES_ID_CQE_V0,
 MLXSW_RES_ID_CQE_V1,
 MLXSW_RES_ID_CQE_V2,
 MLXSW_RES_ID_COUNTER_POOL_SIZE,
 MLXSW_RES_ID_COUNTER_BANK_SIZE,
 MLXSW_RES_ID_MAX_SPAN,
 MLXSW_RES_ID_COUNTER_SIZE_PACKETS_BYTES,
 MLXSW_RES_ID_COUNTER_SIZE_ROUTER_BASIC,
 MLXSW_RES_ID_MAX_SYSTEM_PORT,
 MLXSW_RES_ID_FID,
 MLXSW_RES_ID_MAX_LAG,
 MLXSW_RES_ID_MAX_LAG_MEMBERS,
 MLXSW_RES_ID_MAX_NVE_FLOOD_PRF,
 MLXSW_RES_ID_GUARANTEED_SHARED_BUFFER,
 MLXSW_RES_ID_CELL_SIZE,
 MLXSW_RES_ID_MAX_HEADROOM_SIZE,
 MLXSW_RES_ID_ACL_MAX_TCAM_REGIONS,
 MLXSW_RES_ID_ACL_MAX_TCAM_RULES,
 MLXSW_RES_ID_ACL_MAX_REGIONS,
 MLXSW_RES_ID_ACL_MAX_GROUPS,
 MLXSW_RES_ID_ACL_MAX_GROUP_SIZE,
 MLXSW_RES_ID_ACL_MAX_DEFAULT_ACTIONS,
 MLXSW_RES_ID_ACL_FLEX_KEYS,
 MLXSW_RES_ID_ACL_MAX_ACTION_PER_RULE,
 MLXSW_RES_ID_ACL_ACTIONS_PER_SET,
 MLXSW_RES_ID_ACL_MAX_L4_PORT_RANGE,
 MLXSW_RES_ID_ACL_MAX_ERPT_BANKS,
 MLXSW_RES_ID_ACL_MAX_ERPT_BANK_SIZE,
 MLXSW_RES_ID_ACL_MAX_LARGE_KEY_ID,
 MLXSW_RES_ID_ACL_ERPT_ENTRIES_2KB,
 MLXSW_RES_ID_ACL_ERPT_ENTRIES_4KB,
 MLXSW_RES_ID_ACL_ERPT_ENTRIES_8KB,
 MLXSW_RES_ID_ACL_ERPT_ENTRIES_12KB,
 MLXSW_RES_ID_ACL_MAX_BF_LOG,
 MLXSW_RES_ID_MAX_GLOBAL_POLICERS,
 MLXSW_RES_ID_MAX_CPU_POLICERS,
 MLXSW_RES_ID_MAX_VRS,
 MLXSW_RES_ID_MAX_RIFS,
 MLXSW_RES_ID_MC_ERIF_LIST_ENTRIES,
 MLXSW_RES_ID_MAX_RIF_MAC_PROFILES,
 MLXSW_RES_ID_MAX_LPM_TREES,
 MLXSW_RES_ID_MAX_NVE_MC_ENTRIES_IPV4,
 MLXSW_RES_ID_MAX_NVE_MC_ENTRIES_IPV6,

 /* Internal resources.
 * Determined by the SW, not queried from the HW.
 */
 MLXSW_RES_ID_KVD_SINGLE_SIZE,
 MLXSW_RES_ID_KVD_DOUBLE_SIZE,
 MLXSW_RES_ID_KVD_LINEAR_SIZE,

 __MLXSW_RES_ID_MAX,
};

static u16 mlxsw_res_ids[] = {
 [MLXSW_RES_ID_KVD_SIZE] = 0x1001,
 [MLXSW_RES_ID_KVD_SINGLE_MIN_SIZE] = 0x1002,
 [MLXSW_RES_ID_KVD_DOUBLE_MIN_SIZE] = 0x1003,
 [MLXSW_RES_ID_PGT_SIZE] = 0x1004,
 [MLXSW_RES_ID_MAX_KVD_LINEAR_RANGE] = 0x1005,
 [MLXSW_RES_ID_MAX_KVD_ACTION_SETS] = 0x1007,
 [MLXSW_RES_ID_MAX_TRAP_GROUPS] = 0x2201,
 [MLXSW_RES_ID_CQE_V0] = 0x2210,
 [MLXSW_RES_ID_CQE_V1] = 0x2211,
 [MLXSW_RES_ID_CQE_V2] = 0x2212,
 [MLXSW_RES_ID_COUNTER_POOL_SIZE] = 0x2410,
 [MLXSW_RES_ID_COUNTER_BANK_SIZE] = 0x2411,
 [MLXSW_RES_ID_MAX_SPAN] = 0x2420,
 [MLXSW_RES_ID_COUNTER_SIZE_PACKETS_BYTES] = 0x2443,
 [MLXSW_RES_ID_COUNTER_SIZE_ROUTER_BASIC] = 0x2449,
 [MLXSW_RES_ID_MAX_SYSTEM_PORT] = 0x2502,
 [MLXSW_RES_ID_FID] = 0x2512,
 [MLXSW_RES_ID_MAX_LAG] = 0x2520,
 [MLXSW_RES_ID_MAX_LAG_MEMBERS] = 0x2521,
 [MLXSW_RES_ID_MAX_NVE_FLOOD_PRF] = 0x2522,
 [MLXSW_RES_ID_GUARANTEED_SHARED_BUFFER] = 0x2805, /* Bytes */
 [MLXSW_RES_ID_CELL_SIZE] = 0x2803, /* Bytes */
 [MLXSW_RES_ID_MAX_HEADROOM_SIZE] = 0x2811, /* Bytes */
 [MLXSW_RES_ID_ACL_MAX_TCAM_REGIONS] = 0x2901,
 [MLXSW_RES_ID_ACL_MAX_TCAM_RULES] = 0x2902,
 [MLXSW_RES_ID_ACL_MAX_REGIONS] = 0x2903,
 [MLXSW_RES_ID_ACL_MAX_GROUPS] = 0x2904,
 [MLXSW_RES_ID_ACL_MAX_GROUP_SIZE] = 0x2905,
 [MLXSW_RES_ID_ACL_MAX_DEFAULT_ACTIONS] = 0x2908,
 [MLXSW_RES_ID_ACL_FLEX_KEYS] = 0x2910,
 [MLXSW_RES_ID_ACL_MAX_ACTION_PER_RULE] = 0x2911,
 [MLXSW_RES_ID_ACL_ACTIONS_PER_SET] = 0x2912,
 [MLXSW_RES_ID_ACL_MAX_L4_PORT_RANGE] = 0x2920,
 [MLXSW_RES_ID_ACL_MAX_ERPT_BANKS] = 0x2940,
 [MLXSW_RES_ID_ACL_MAX_ERPT_BANK_SIZE] = 0x2941,
 [MLXSW_RES_ID_ACL_MAX_LARGE_KEY_ID] = 0x2942,
 [MLXSW_RES_ID_ACL_ERPT_ENTRIES_2KB] = 0x2950,
 [MLXSW_RES_ID_ACL_ERPT_ENTRIES_4KB] = 0x2951,
 [MLXSW_RES_ID_ACL_ERPT_ENTRIES_8KB] = 0x2952,
 [MLXSW_RES_ID_ACL_ERPT_ENTRIES_12KB] = 0x2953,
 [MLXSW_RES_ID_ACL_MAX_BF_LOG] = 0x2960,
 [MLXSW_RES_ID_MAX_GLOBAL_POLICERS] = 0x2A10,
 [MLXSW_RES_ID_MAX_CPU_POLICERS] = 0x2A13,
 [MLXSW_RES_ID_MAX_VRS] = 0x2C01,
 [MLXSW_RES_ID_MAX_RIFS] = 0x2C02,
 [MLXSW_RES_ID_MC_ERIF_LIST_ENTRIES] = 0x2C10,
 [MLXSW_RES_ID_MAX_RIF_MAC_PROFILES] = 0x2C14,
 [MLXSW_RES_ID_MAX_LPM_TREES] = 0x2C30,
 [MLXSW_RES_ID_MAX_NVE_MC_ENTRIES_IPV4] = 0x2E02,
 [MLXSW_RES_ID_MAX_NVE_MC_ENTRIES_IPV6] = 0x2E03,
};

struct mlxsw_res {
 bool valid[__MLXSW_RES_ID_MAX];
 u64 values[__MLXSW_RES_ID_MAX];
};

static inline bool mlxsw_res_valid(struct mlxsw_res *res,
       enum mlxsw_res_id res_id)
{
 return res->valid[res_id];
}

#define MLXSW_RES_VALID(res, short_res_id)   \
 mlxsw_res_valid(res, MLXSW_RES_ID_##short_res_id)

static inline u64 mlxsw_res_get(struct mlxsw_res *res,
    enum mlxsw_res_id res_id)
{
 if (WARN_ON(!res->valid[res_id]))
  return 0;
 return res->values[res_id];
}

#define MLXSW_RES_GET(res, short_res_id)   \
 mlxsw_res_get(res, MLXSW_RES_ID_##short_res_id)

static inline void mlxsw_res_set(struct mlxsw_res *res,
     enum mlxsw_res_id res_id, u64 value)
{
 res->valid[res_id] = true;
 res->values[res_id] = value;
}

#define MLXSW_RES_SET(res, short_res_id, value)   \
 mlxsw_res_set(res, MLXSW_RES_ID_##short_res_id, value)

static inline void mlxsw_res_parse(struct mlxsw_res *res, u16 id, u64 value)
{
 int i;

 for (i = 0; i < ARRAY_SIZE(mlxsw_res_ids); i++) {
  if (mlxsw_res_ids[i] == id) {
   mlxsw_res_set(res, i, value);
   return;
  }
 }
}

#endif