/*
   * Copyright (c) 2012, Google Inc.
   *

   * SPDX-License-Identifier:	GPL-2.0+

   */
  
  #include <common.h>
  #include <fs.h>

  #include <part.h>
  #include <sandboxblockdev.h>
  #include <asm/errno.h>

  
  static int do_sandbox_load(cmd_tbl_t *cmdtp, int flag, int argc,
  			   char * const argv[])
  {

  	return do_load(cmdtp, flag, argc, argv, FS_TYPE_SANDBOX);

  }
  
  static int do_sandbox_ls(cmd_tbl_t *cmdtp, int flag, int argc,
  			   char * const argv[])
  {
  	return do_ls(cmdtp, flag, argc, argv, FS_TYPE_SANDBOX);
  }

  static int do_sandbox_save(cmd_tbl_t *cmdtp, int flag, int argc,
  			   char * const argv[])
  {

  	return do_save(cmdtp, flag, argc, argv, FS_TYPE_SANDBOX);

  }

  static int do_sandbox_bind(cmd_tbl_t *cmdtp, int flag, int argc,
  			   char * const argv[])
  {
  	if (argc < 2 || argc > 3)
  		return CMD_RET_USAGE;
  	char *ep;
  	char *dev_str = argv[1];
  	char *file = argc >= 3 ? argv[2] : NULL;
  	int dev = simple_strtoul(dev_str, &ep, 16);
  	if (*ep) {
  		printf("** Bad device specification %s **
  ", dev_str);
  		return CMD_RET_USAGE;
  	}
  	return host_dev_bind(dev, file);
  }
  
  static int do_sandbox_info(cmd_tbl_t *cmdtp, int flag, int argc,
  			   char * const argv[])
  {
  	if (argc < 1 || argc > 2)
  		return CMD_RET_USAGE;
  	int min_dev = 0;
  	int max_dev = CONFIG_HOST_MAX_DEVICES - 1;
  	if (argc >= 2) {
  		char *ep;
  		char *dev_str = argv[1];
  		int dev = simple_strtoul(dev_str, &ep, 16);
  		if (*ep) {
  			printf("** Bad device specification %s **
  ", dev_str);
  			return CMD_RET_USAGE;
  		}
  		min_dev = dev;
  		max_dev = dev;
  	}
  	int dev;
  	printf("%3s %12s %s
  ", "dev", "blocks", "path");
  	for (dev = min_dev; dev <= max_dev; dev++) {
  		block_dev_desc_t *blk_dev;
  		int ret;
  
  		printf("%3d ", dev);
  		ret = host_get_dev_err(dev, &blk_dev);
  		if (ret) {
  			if (ret == -ENOENT)
  				puts("Not bound to a backing file
  ");
  			else if (ret == -ENODEV)
  				puts("Invalid host device number
  ");
  
  			continue;
  		}
  		struct host_block_dev *host_dev = blk_dev->priv;
  		printf("%12lu %s
  ", (unsigned long)blk_dev->lba,
  		       host_dev->filename);
  	}
  	return 0;
  }

  static cmd_tbl_t cmd_sandbox_sub[] = {

  	U_BOOT_CMD_MKENT(load, 7, 0, do_sandbox_load, "", ""),

  	U_BOOT_CMD_MKENT(ls, 3, 0, do_sandbox_ls, "", ""),

  	U_BOOT_CMD_MKENT(save, 6, 0, do_sandbox_save, "", ""),

  	U_BOOT_CMD_MKENT(bind, 3, 0, do_sandbox_bind, "", ""),
  	U_BOOT_CMD_MKENT(info, 3, 0, do_sandbox_info, "", ""),

  };
  
  static int do_sandbox(cmd_tbl_t *cmdtp, int flag, int argc,
  		      char * const argv[])
  {
  	cmd_tbl_t *c;
  
  	/* Skip past 'sandbox' */
  	argc--;
  	argv++;
  
  	c = find_cmd_tbl(argv[0], cmd_sandbox_sub,
  			 ARRAY_SIZE(cmd_sandbox_sub));
  
  	if (c)
  		return c->cmd(cmdtp, flag, argc, argv);
  	else
  		return CMD_RET_USAGE;
  }
  
  U_BOOT_CMD(

  	sb,	8,	1,	do_sandbox,

  	"Miscellaneous sandbox commands",

  	"load host <dev> <addr> <filename> [<bytes> <offset>]  - "
  		"load a file from host
  "
  	"sb ls host <filename>                      - list files on host
  "
  	"sb save host <dev> <filename> <addr> <bytes> [<offset>] - "
  		"save a file to host
  "

  	"sb bind <dev> [<filename>] - bind \"host\" device to file
  "
  	"sb info [<dev>]            - show device binding & info"

  );