[git commit master 1/1] ubimkvol,ubirmvol,ubirsvol: new applets

Denys Vlasenko vda.linux at googlemail.com
Sat Feb 5 02:18:08 UTC 2011


commit: http://git.busybox.net/busybox/commit/?id=3e2834fe72b023155904e118c4f71a8ff73a90ec
branch: http://git.busybox.net/busybox/commit/?id=refs/heads/master

function                                             old     new   delta
ubi_tools_main                                         -     658    +658
packed_usage                                       28269   28376    +107
bbconfig_config_bz2                                 4968    5007     +39
applet_names                                        2407    2434     +27
applet_main                                         1396    1408     +12
applet_nameofs                                       698     704      +6
applet_install_loc                                   175     176      +1
ubi_attach_detach_main                               175       -    -175
------------------------------------------------------------------------------
(add/remove: 1/1 grow/shrink: 6/0 up/down: 850/-175)          Total: 675 bytes

Signed-off-by: Reuben Dowle <reuben.dowle at navico.com>
Signed-off-by: Denys Vlasenko <vda.linux at googlemail.com>
---
 miscutils/ubi_attach_detach.c |  154 ++++++++++++++++++++++++++++++++++++-----
 1 files changed, 136 insertions(+), 18 deletions(-)

diff --git a/miscutils/ubi_attach_detach.c b/miscutils/ubi_attach_detach.c
index aa8a517..fef9250 100644
--- a/miscutils/ubi_attach_detach.c
+++ b/miscutils/ubi_attach_detach.c
@@ -3,34 +3,69 @@
  * Licensed under GPLv2, see file LICENSE in this source tree.
  */
 
-//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:	default y
 //config:	depends on PLATFORM_LINUX
 //config:	help
 //config:	  Attach MTD device to an UBI device.
 //config:
 //config:config UBIDETACH
 //config:	bool "ubidetach"
-//config:	default n
+//config:	default y
 //config:	depends on PLATFORM_LINUX
 //config:	help
 //config:	  Detach MTD device from an UBI device.
+//config:
+//config:config UBIMKVOL
+//config:	bool "ubimkvol"
+//config:	default y
+//config:	depends on PLATFORM_LINUX
+//config:	help
+//config:	  Create a UBI volume.
+//config:
+//config:config UBIRMVOL
+//config:	bool "ubirmvol"
+//config:	default y
+//config:	depends on PLATFORM_LINUX
+//config:	help
+//config:	  Delete a UBI volume.
+//config:
+//config:config UBIRSVOL
+//config:	bool "ubirsvol"
+//config:	default y
+//config:	depends on PLATFORM_LINUX
+//config:	help
+//config:	  Resize a UBI volume.
+
+//applet:IF_UBIATTACH(APPLET_ODDNAME(ubiattach, ubi_tools, BB_DIR_USR_SBIN, BB_SUID_DROP, ubiattach))
+//applet:IF_UBIDETACH(APPLET_ODDNAME(ubidetach, ubi_tools, BB_DIR_USR_SBIN, BB_SUID_DROP, ubidetach))
+//applet:IF_UBIMKVOL(APPLET_ODDNAME(ubimkvol, ubi_tools, BB_DIR_USR_SBIN, BB_SUID_DROP, ubimkvol))
+//applet:IF_UBIRMVOL(APPLET_ODDNAME(ubirmvol, ubi_tools, BB_DIR_USR_SBIN, BB_SUID_DROP, ubirmvol))
+//applet:IF_UBIRSVOL(APPLET_ODDNAME(ubirsvol, ubi_tools, BB_DIR_USR_SBIN, BB_SUID_DROP, ubirsvol))
+
+//kbuild:lib-$(CONFIG_UBIATTACH) += ubi_attach_detach.o
+//kbuild:lib-$(CONFIG_UBIDETACH) += ubi_attach_detach.o
+//kbuild:lib-$(CONFIG_UBIMKVOL)  += ubi_attach_detach.o
+//kbuild:lib-$(CONFIG_UBIRMVOL)  += ubi_attach_detach.o
+//kbuild:lib-$(CONFIG_UBIRSVOL)  += ubi_attach_detach.o
 
 #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')))
+#define OPTION_n  (1 << 2)
+#define OPTION_N  (1 << 3)
+#define OPTION_s  (1 << 4)
+#define OPTION_a  (1 << 5)
+#define OPTION_t  (1 << 6)
+
+#define do_attach (ENABLE_UBIATTACH && applet_name[3] == 'a')
+#define do_detach (ENABLE_UBIDETACH && applet_name[3] == 'd')
+#define do_mkvol  (ENABLE_UBIMKVOL  && applet_name[3] == 'm')
+#define do_rmvol  (ENABLE_UBIRMVOL  && applet_name[4] == 'm')
+#define do_rsvol  (ENABLE_UBIRSVOL  && applet_name[4] == 's')
 
 //usage:#define ubiattach_trivial_usage
 //usage:       "-m MTD_NUM [-d UBI_NUM] UBI_CTRL_DEV"
@@ -46,20 +81,54 @@
 //usage:       "Detach MTD device from UBI\n"
 //usage:     "\nOptions:"
 //usage:     "\n	-d UBI_NUM	UBI device number"
+//usage:
+//usage:#define ubimkvol_trivial_usage
+//usage:       "UBI_DEVICE -N NAME -s SIZE"
+//usage:#define ubimkvol_full_usage "\n\n"
+//usage:       "Create UBI Volume\n"
+//usage:     "\nOptions:"
+//usage:     "\n	-a ALIGNMENT	Volume alignment (default 1)"
+//usage:     "\n	-n VOLID	Volume ID, if not specified, it"
+//usage:     "\n			will be assigned automatically"
+//usage:     "\n	-N NAME		Volume name"
+//usage:     "\n	-s SIZE		Size in bytes"
+//usage:     "\n	-t TYPE		Volume type (static|dynamic)"
+//usage:
+//usage:#define ubirmvol_trivial_usage
+//usage:       "UBI_DEVICE -n VOLID"
+//usage:#define ubirmvol_full_usage "\n\n"
+//usage:       "Remove UBI Volume\n"
+//usage:     "\nOptions:"
+//usage:     "\n	-n VOLID	Volume ID"
+//usage:
+//usage:#define ubirsvol_trivial_usage
+//usage:       "UBI_DEVICE -N NAME -s SIZE"
+//usage:#define ubirsvol_full_usage "\n\n"
+//usage:       "Resize UBI Volume\n"
+//usage:     "\nOptions:"
+//usage:     "\n	-N NAME		Volume name"
+//usage:     "\n	-s SIZE		Size in bytes"
 
-int ubi_attach_detach_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
-int ubi_attach_detach_main(int argc UNUSED_PARAM, char **argv)
+int ubi_tools_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int ubi_tools_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);
+	int vol_id = UBI_VOL_NUM_AUTO;
+	char *vol_name = NULL;
+	int size_bytes;
+	int alignment = 1;
+	char *type = NULL;
+
+	opt_complementary = "=1:m+:d+:n+:s+:a+";
+	opts = getopt32(argv, "m:d:n:N:s:a:t:",
+			&mtd_num, &dev_num, &vol_id,
+			&vol_name, &size_bytes, &alignment, &type
+	);
 	ubi_ctrl = argv[optind];
 
 	fd = xopen(ubi_ctrl, O_RDWR);
@@ -68,6 +137,7 @@ int ubi_attach_detach_main(int argc UNUSED_PARAM, char **argv)
 	//	bb_error_msg_and_die("%s: not a char device", ubi_ctrl);
 
 	if (do_attach) {
+		struct ubi_attach_req req;
 		if (!(opts & OPTION_M))
 			bb_error_msg_and_die("%s device not specified", "MTD");
 
@@ -76,11 +146,59 @@ int ubi_attach_detach_main(int argc UNUSED_PARAM, char **argv)
 		req.ubi_num = dev_num;
 
 		xioctl(fd, UBI_IOCATT, &req);
-	} else { /* detach */
+	} else
+	if (do_detach) {
 		if (!(opts & OPTION_D))
 			bb_error_msg_and_die("%s device not specified", "UBI");
 
 		xioctl(fd, UBI_IOCDET, &dev_num);
+	} else
+	if (do_mkvol) {
+		struct ubi_mkvol_req req;
+		int vol_name_len;
+		if (!(opts & OPTION_s))
+			bb_error_msg_and_die("%s size not specified", "UBI");
+		if (!(opts & OPTION_N))
+			bb_error_msg_and_die("%s name not specified", "UBI");
+		vol_name_len = strlen(vol_name);
+		if (vol_name_len > UBI_MAX_VOLUME_NAME)
+			bb_error_msg_and_die("%s volume name too long", "UBI");
+
+		memset(&req, 0, sizeof(req));
+		req.vol_id = vol_id;
+		if (opts & OPTION_t) {
+			if (type[0] == 's')
+				req.vol_type = UBI_STATIC_VOLUME;
+			else
+				req.vol_type = UBI_DYNAMIC_VOLUME;
+		} else {
+			req.vol_type = UBI_DYNAMIC_VOLUME;
+		}
+		req.alignment = alignment;
+		req.bytes = size_bytes;
+		strncpy(req.name, vol_name, UBI_MAX_VOLUME_NAME);
+		req.name_len = vol_name_len;
+
+		xioctl(fd, UBI_IOCMKVOL, &req);
+	} else
+	if (do_rmvol) {
+		if (!(opts & OPTION_n))
+			bb_error_msg_and_die("%s volume id not specified", "UBI");
+
+		xioctl(fd, UBI_IOCRMVOL, &vol_id);
+	} else
+	if (do_rsvol) {
+		struct ubi_rsvol_req req;
+		if (!(opts & OPTION_s))
+			bb_error_msg_and_die("%s size not specified", "UBI");
+		if (!(opts & OPTION_n))
+			bb_error_msg_and_die("%s volume id not specified", "UBI");
+
+		memset(&req, 0, sizeof(req));
+		req.bytes = size_bytes;
+		req.vol_id = vol_id;
+
+		xioctl(fd, UBI_IOCRSVOL, &req);
 	}
 
 	if (ENABLE_FEATURE_CLEAN_UP)
-- 
1.7.3.4



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