Remove the cmd_ prefix from command files

[oweals/u-boot.git] / cmd / part.c

diff --git a/cmd/part.c b/cmd/part.c
new file mode 100644 (file)
index 0000000..5599509
--- /dev/null
+++ b/cmd/part.c
@@ -0,0 +1,216 @@
+/*
+ * Copyright (c) 2012, NVIDIA CORPORATION.  All rights reserved.
+ *
+ * made from cmd_ext2, which was:
+ *
+ * (C) Copyright 2004
+ * esd gmbh <www.esd-electronics.com>
+ * Reinhard Arlt <reinhard.arlt@esd-electronics.com>
+ *
+ * made from cmd_reiserfs by
+ *
+ * (C) Copyright 2003 - 2004
+ * Sysgo Real-Time Solutions, AG <www.elinos.com>
+ * Pavel Bartusek <pba@sysgo.com>
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <common.h>
+#include <config.h>
+#include <command.h>
+#include <part.h>
+#include <vsprintf.h>
+
+#ifndef CONFIG_PARTITION_UUIDS
+#error CONFIG_PARTITION_UUIDS must be enabled for CONFIG_CMD_PART to be enabled
+#endif
+
+static int do_part_uuid(int argc, char * const argv[])
+{
+       int part;
+       block_dev_desc_t *dev_desc;
+       disk_partition_t info;
+
+       if (argc < 2)
+               return CMD_RET_USAGE;
+       if (argc > 3)
+               return CMD_RET_USAGE;
+
+       part = get_device_and_partition(argv[0], argv[1], &dev_desc, &info, 0);
+       if (part < 0)
+               return 1;
+
+       if (argc > 2)
+               setenv(argv[2], info.uuid);
+       else
+               printf("%s\n", info.uuid);
+
+       return 0;
+}
+
+static int do_part_list(int argc, char * const argv[])
+{
+       int ret;
+       block_dev_desc_t *desc;
+       char *var = NULL;
+       bool bootable = false;
+       int i;
+
+       if (argc < 2)
+               return CMD_RET_USAGE;
+
+       if (argc > 2) {
+               for (i = 2; i < argc ; i++) {
+                       if (argv[i][0] == '-') {
+                               if (!strcmp(argv[i], "-bootable")) {
+                                       bootable = true;
+                               } else {
+                                       printf("Unknown option %s\n", argv[i]);
+                                       return CMD_RET_USAGE;
+                               }
+                       } else {
+                               var = argv[i];
+                               break;
+                       }
+               }
+
+               /* Loops should have been exited at the last argument, which
+                * as it contained the variable */
+               if (argc != i + 1)
+                       return CMD_RET_USAGE;
+       }
+
+       ret = get_device(argv[0], argv[1], &desc);
+       if (ret < 0)
+               return 1;
+
+       if (var != NULL) {
+               int p;
+               char str[512] = { '\0', };
+               disk_partition_t info;
+
+               for (p = 1; p < 128; p++) {
+                       char t[5];
+                       int r = get_partition_info(desc, p, &info);
+
+                       if (r != 0)
+                               continue;
+
+                       if (bootable && !info.bootable)
+                               continue;
+
+                       sprintf(t, "%s%x", str[0] ? " " : "", p);
+                       strcat(str, t);
+               }
+               setenv(var, str);
+               return 0;
+       }
+
+       print_part(desc);
+
+       return 0;
+}
+
+static int do_part_start(int argc, char * const argv[])
+{
+       block_dev_desc_t *desc;
+       disk_partition_t info;
+       char buf[512] = { 0 };
+       int part;
+       int err;
+       int ret;
+
+       if (argc < 3)
+               return CMD_RET_USAGE;
+       if (argc > 4)
+               return CMD_RET_USAGE;
+
+       part = simple_strtoul(argv[2], NULL, 0);
+
+       ret = get_device(argv[0], argv[1], &desc);
+       if (ret < 0)
+               return 1;
+
+       err = get_partition_info(desc, part, &info);
+       if (err)
+               return 1;
+
+       snprintf(buf, sizeof(buf), LBAF, info.start);
+
+       if (argc > 3)
+               setenv(argv[3], buf);
+       else
+               printf("%s\n", buf);
+
+       return 0;
+}
+
+static int do_part_size(int argc, char * const argv[])
+{
+       block_dev_desc_t *desc;
+       disk_partition_t info;
+       char buf[512] = { 0 };
+       int part;
+       int err;
+       int ret;
+
+       if (argc < 3)
+               return CMD_RET_USAGE;
+       if (argc > 4)
+               return CMD_RET_USAGE;
+
+       part = simple_strtoul(argv[2], NULL, 0);
+
+       ret = get_device(argv[0], argv[1], &desc);
+       if (ret < 0)
+               return 1;
+
+       err = get_partition_info(desc, part, &info);
+       if (err)
+               return 1;
+
+       snprintf(buf, sizeof(buf), LBAF, info.size);
+
+       if (argc > 3)
+               setenv(argv[3], buf);
+       else
+               printf("%s\n", buf);
+
+       return 0;
+}
+
+static int do_part(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+       if (argc < 2)
+               return CMD_RET_USAGE;
+
+       if (!strcmp(argv[1], "uuid"))
+               return do_part_uuid(argc - 2, argv + 2);
+       else if (!strcmp(argv[1], "list"))
+               return do_part_list(argc - 2, argv + 2);
+       else if (!strcmp(argv[1], "start"))
+               return do_part_start(argc - 2, argv + 2);
+       else if (!strcmp(argv[1], "size"))
+               return do_part_size(argc - 2, argv + 2);
+
+       return CMD_RET_USAGE;
+}
+
+U_BOOT_CMD(
+       part,   CONFIG_SYS_MAXARGS,     1,      do_part,
+       "disk partition related commands",
+       "uuid <interface> <dev>:<part>\n"
+       "    - print partition UUID\n"
+       "part uuid <interface> <dev>:<part> <varname>\n"
+       "    - set environment variable to partition UUID\n"
+       "part list <interface> <dev>\n"
+       "    - print a device's partition table\n"
+       "part list <interface> <dev> [flags] <varname>\n"
+       "    - set environment variable to the list of partitions\n"
+       "      flags can be -bootable (list only bootable partitions)\n"
+       "part start <interface> <dev> <part> <varname>\n"
+       "    - set environment variable to the start of the partition (in blocks)\n"
+       "part size <interface> <dev> <part> <varname>\n"
+       "    - set environment variable to the size of the partition (in blocks)"
+);