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-rw-r--r--miscutils/ubi_attach_detach.c88
1 files changed, 88 insertions, 0 deletions
diff --git a/miscutils/ubi_attach_detach.c b/miscutils/ubi_attach_detach.c
new file mode 100644
index 000000000..7b92a8afc
--- /dev/null
+++ b/miscutils/ubi_attach_detach.c
@@ -0,0 +1,88 @@
+/* Ported to busybox from mtd-utils.
+ *
+ * Licensed under GPLv2, see file LICENSE in this tarball for details.
+ */
+
+//applet:IF_UBIATTACH(APPLET_ODDNAME(ubiattach, ubi_attach_detach, _BB_DIR_USR_SBIN, _BB_SUID_DROP, ubiattach))
+//applet:IF_UBIDETACH(APPLET_ODDNAME(ubidetach, ubi_attach_detach, _BB_DIR_USR_SBIN, _BB_SUID_DROP, ubidetach))
+
+//kbuild:lib-$(CONFIG_UBIATTACH) += ubi_attach_detach.o
+//kbuild:lib-$(CONFIG_UBIDETACH) += ubi_attach_detach.o
+
+//config:config UBIATTACH
+//config: bool "ubiattach"
+//config: default n
+//config: help
+//config: Attach MTD device to an UBI device.
+//config:
+//config:config UBIDETACH
+//config: bool "ubidetach"
+//config: default n
+//config: help
+//config: Detach MTD device from an UBI device.
+
+#include "libbb.h"
+#include <mtd/ubi-user.h>
+
+#define OPTION_M (1 << 0)
+#define OPTION_D (1 << 1)
+
+#define do_attach (ENABLE_UBIATTACH && \
+ (!ENABLE_UBIDETACH || (applet_name[3] == 'a')))
+
+//usage:#define ubiattach_trivial_usage
+//usage: "-m MTD_NUM [-d UBI_NUM] UBI_CTRL_DEV"
+//usage:#define ubiattach_full_usage "\n\n"
+//usage: "Attach MTD device to UBI\n"
+//usage: "\nOptions:"
+//usage: "\n -m MTD_NUM MTD device number to attach"
+//usage: "\n -d UBI_NUM UBI device number to assign"
+//usage:
+//usage:#define ubidetach_trivial_usage
+//usage: "-d UBI_NUM UBI_CTRL_DEV"
+//usage:#define ubidetach_full_usage "\n\n"
+//usage: "Detach MTD device from UBI\n"
+//usage: "\nOptions:"
+//usage: "\n -d UBI_NUM UBI device number"
+
+int ubi_attach_detach_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int ubi_attach_detach_main(int argc UNUSED_PARAM, char **argv)
+{
+ unsigned opts;
+ char *ubi_ctrl;
+ //struct stat st;
+ struct ubi_attach_req req;
+ int fd;
+ int mtd_num;
+ int dev_num = UBI_DEV_NUM_AUTO;
+
+ opt_complementary = "=1:m+:d+";
+ opts = getopt32(argv, "m:d:", &mtd_num, &dev_num);
+ ubi_ctrl = argv[optind];
+
+ fd = xopen(ubi_ctrl, O_RDWR);
+ //fstat(fd, &st);
+ //if (!S_ISCHR(st.st_mode))
+ // bb_error_msg_and_die("'%s' is not a char device", ubi_ctrl);
+
+ if (do_attach) {
+ if (!(opts & OPTION_M))
+ bb_error_msg_and_die("%s device not specified", "MTD");
+
+ memset(&req, 0, sizeof(req));
+ req.mtd_num = mtd_num;
+ req.ubi_num = dev_num;
+
+ xioctl(fd, UBI_IOCATT, &req);
+ } else { /* detach */
+ if (!(opts & OPTION_D))
+ bb_error_msg_and_die("%s device not specified", "UBI");
+
+ xioctl(fd, UBI_IOCDET, &dev_num);
+ }
+
+ if (ENABLE_FEATURE_CLEAN_UP)
+ close(fd);
+
+ return EXIT_SUCCESS;
+}