board/synopsys/hsdk/env-lib.h

   1 /* SPDX-License-Identifier: GPL-2.0+ */
   2 /*
   3  * Copyright (C) 2018 Synopsys, Inc. All rights reserved.
   4  * Author: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
   5  */
   6
   7 #ifndef __BOARD_ENV_LIB_H
   8 #define __BOARD_ENV_LIB_H
   9
  10 #include <config.h>
  11 #include <linux/kernel.h>
  12
  13 enum env_type {
  14         ENV_DEC,
  15         ENV_HEX
  16 };
  17
  18 typedef struct {
  19         u32 val;
  20         bool set;
  21 } u32_env;
  22
  23 struct env_map_common {
  24         const char *const env_name;
  25         enum env_type type;
  26         bool mandatory;
  27         u32 min;
  28         u32 max;
  29         u32_env *val;
  30 };
  31
  32 struct env_map_percpu {
  33         const char *const env_name;
  34         enum env_type type;
  35         bool mandatory;
  36         u32 min[NR_CPUS];
  37         u32 max[NR_CPUS];
  38         u32_env (*val)[NR_CPUS];
  39 };
  40
  41 void envs_cleanup_common(const struct env_map_common *map);
  42 int envs_read_common(const struct env_map_common *map);
  43 int envs_validate_common(const struct env_map_common *map);
  44 int envs_read_validate_common(const struct env_map_common *map);
  45
  46 void envs_cleanup_core(const struct env_map_percpu *map);
  47 int envs_read_validate_core(const struct env_map_percpu *map,
  48                             bool (*cpu_used)(u32));
  49 int envs_process_and_validate(const struct env_map_common *common,
  50                               const struct env_map_percpu *core,
  51                               bool (*cpu_used)(u32));
  52
  53 int args_envs_enumerate(const struct env_map_common *map,
  54                         int enum_by, int argc, char *const argv[]);
  55
  56 #endif /* __BOARD_ENV_LIB_H */