ubi-utils: tweak ubigen

Make ubigen consistent with other UBI utilities

Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>

1 files changed, 238 insertions, 278 deletions

diff --git a/ubi-utils/src/ubigen.c b/ubi-utils/src/ubigen.c
index 9fcafab..3b1fc0e 100644
--- a/ubi-utils/src/ubigen.c
+++ b/ubi-utils/src/ubigen.c
@@ -14,312 +14,283 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+/*
+ * An utility to generate UBI images.
  *
- * Author: Oliver Lohmann
- *
- * Tool to add UBI headers to binary images.
- *
- * 1.0 Initial version
- * 1.1 Different CRC32 start value
- * 1.2 Removed argp because we want to use uClibc.
- * 1.3 Minor cleanups
+ * Authors: Oliver Lohmann
+ *          Artem Bityutskiy
  */
 
 #include <stdlib.h>
-#include <stdint.h>
 #include <stdio.h>
+#include <string.h>
 #include <getopt.h>
 #include <unistd.h>
 #include <sys/stat.h>
 #include <mtd/ubi-header.h>
 
 #include "ubigen.h"
-#include "config.h"
-
-#define PROGRAM_VERSION "1.3"
+#include "common.h"
+
+#define PROGRAM_VERSION "1.4"
+#define PROGRAM_NAME    "ubigen"
+
+struct args {
+	FILE *fp_in;
+	FILE *fp_out;
+	int peb_size;
+	int id;
+	int min_io_size;
+	int type;
+	int sub_page_size;
+	int alignment;
+	int vid_hdr_offs;
+	int ec;
+	int ubi_ver;
+};
 
-typedef enum action_t {
-	ACT_NORMAL	     = 0x00000001,
-	ACT_BROKEN_UPDATE    = 0x00000002,
-} action_t;
+struct args args = {
+	.fp_in = NULL,
+	.fp_out = NULL,
+	.peb_size = -1,
+	.id = -1,
+	.min_io_size = -1,
+	.type = UBI_VID_DYNAMIC,
+	.sub_page_size = -1,
+	.alignment = 1,
+	.vid_hdr_offs = 0,
+	.ec = 0,
+	.ubi_ver = 0,
+};
 
-static char doc[] = "\nVersion: " PROGRAM_VERSION "\n"
-	"ubigen - a tool for adding UBI information to a binary input file.\n";
+static const char *doc = PROGRAM_NAME " version " PROGRAM_VERSION
+" - a tool for adding UBI headers to a binary image.\n"
+"Note, the images generated by this program are not ready to be used\n"
+"because they do not contain the volume table. If not sure about one\n"
+"of the parameters, do not specify and let the utility to use default\n"
+"values.";
 
 static const char *optionsstr =
-" Common settings:\n"
-"  -c, --copyright            Print copyright information.\n"
-"  -d, --debug\n"
-"  -v, --verbose              Print more progress information.\n"
-"\n"
-" UBI Settings:\n"
-"  -A, --alignment=<num>      Set the alignment size to <num> (default 1).\n"
-"                             Values can be specified as bytes, 'ki' or 'Mi'.\n"
-"  -B, --blocksize=<num>      Set the eraseblock size to <num> (default 128\n"
-"                             KiB).\n"
-"                             Values can be specified as bytes, 'ki' or 'Mi'.\n"
-"  -E, --erasecount=<num>     Set the erase count to <num> (default 0)\n"
-"  -I, --id=<num>             The UBI volume id.\n"
-"  -O, --offset=<num>         Offset from start of an erase block to the UBI\n"
-"                             volume header.\n"
-"  -T, --type=<num>           The UBI volume type:\n"
-"                             1 = dynamic, 2 = static\n"
-"  -X, --setver=<num>         Set UBI version number to <num> (default 1)\n"
-"\n"
-" Input/Output:\n"
-"  -i, --infile=<filename>    Read input from file.\n"
-"  -o, --outfile=<filename>   Write output to file (default is stdout).\n"
-"\n"
-" Special options:\n"
-"  -U, --broken-update=<leb>  Create an ubi image which simulates a broken\n"
-"                             update.\n"
-"                             <leb> specifies the logical eraseblock number to\n"
-"                             update.\n"
-"\n"
-"  -?, --help                 Give this help list\n"
-"      --usage                Give a short usage message\n"
-"  -V, --version              Print program version\n";
+"-i, --infile=<filename>       the input file\n"
+"-o, --outfile=<filename>      the output file (default is stdout)\n"
+"-b, --peb-size=<bytes>        size of the physical eraseblock of the flash this\n"
+"                              UBI image is created for in bytes, kilobytes (KiB),\n"
+"                              or megabytes (MiB) (mandatory parameter)\n"
+"-I, --vol-id=<num>            volume ID (mandatory parameter)\n"
+"-m, --min-io-size=<bytes>     minimum input/output unit size of the flash in bytes\n"
+"                              kilobytes (KiB), or megabytes (MiB) (mandatory\n"
+"                              parameter); e.g. this is NAND page size in case of\n"
+"                              NAND flash\n"
+"-t, --type=<static|dynamic>   volume type: dynamic or static (default is dynamic)\n"
+"-s, --sub-page-size=<bytes>   minimum input/output unit used for UBI headers, e.g.\n"
+"                              sub-page size in case of NAND flash (equivalent to\n"
+"                              the minimum input/output unit size by default)\n"
+"-a, --alignment=<bytes>       volume alignment in bytes, kilobytes (KiB), or\n"
+"                              megabytes (MiB) (default is 1)\n"
+"-O, --vid-hdr-offset=<num>    offset if the VID header from start of the physical\n"
+"                              eraseblock (default is the second minimum I/O unit\n"
+"                              or sub-page, if it was specified)\n"
+"-e, --erase-counter=<num>     the erase counter value to put to EC headers\n"
+"                              (default is 0)\n"
+"-x, --ubi-ver=<num>            UBI version number to put to EC headers\n"
+"                              (default is 1)\n"
+"-h, --help                    print help message\n"
+"-V, --version                 print program version";
 
 static const char *usage =
-"Usage: ubigen [-cdv?V] [-A <num>] [-B <num>] [-E <num>] [-I <num>]\n"
-"          [-O <num>] [-T <num>] [-X <num>] [-i <filename>] [-o <filename>]\n"
-"          [-U <leb>] [--copyright] [--debug] [--verbose] [--alignment=<num>]\n"
-"          [--blocksize=<num>] [--erasecount=<num>] [--id=<num>]\n"
-"          [--offset=<num>] [--type=<num>] [--setver=<num>]\n"
-"          [--infile=<filename>] [--outfile=<filename>]\n"
-"          [--broken-update=<leb>] [--help] [--usage] [--version]\n";
+"Usage: " PROGRAM_NAME " -i <input file> -o <output file> -b <PEB size>\n"
+"              -I <volume ID> -m <min I/O unit size> [-s <sub-page size>]\n"
+"              [-a <alignment>] [-O <volume ID header offset>]\n"
+"              [-e <erase counter value>] [-x <UBI version>] [-h] [-V]";
 
 struct option long_options[] = {
-	{ .name = "copyright", .has_arg = 0, .flag = NULL, .val = 'c' },
-	{ .name = "debug", .has_arg = 0, .flag = NULL, .val = 'd' },
-	{ .name = "verbose", .has_arg = 0, .flag = NULL, .val = 'v' },
-	{ .name = "alignment", .has_arg = 1, .flag = NULL, .val = 'A' },
-	{ .name = "blocksize", .has_arg = 1, .flag = NULL, .val = 'B' },
-	{ .name = "erasecount", .has_arg = 1, .flag = NULL, .val = 'E' },
-	{ .name = "id", .has_arg = 1, .flag = NULL, .val = 'I' },
-	{ .name = "offset", .has_arg = 1, .flag = NULL, .val = 'O' },
-	{ .name = "type", .has_arg = 1, .flag = NULL, .val = 'T' },
-	{ .name = "setver", .has_arg = 1, .flag = NULL, .val = 'X' },
-	{ .name = "infile", .has_arg = 1, .flag = NULL, .val = 'i' },
-	{ .name = "outfile", .has_arg = 1, .flag = NULL, .val = 'o' },
-	{ .name = "broken-update", .has_arg = 1, .flag = NULL, .val = 'U' },
-	{ .name = "help", .has_arg = 0, .flag = NULL, .val = '?' },
-	{ .name = "usage", .has_arg = 0, .flag = NULL, .val = 0 },
-	{ .name = "version", .has_arg = 0, .flag = NULL, .val = 'V' },
+	{ .name = "infile",         .has_arg = 1, .flag = NULL, .val = 'i' },
+	{ .name = "outfile",        .has_arg = 1, .flag = NULL, .val = 'o' },
+	{ .name = "peb-size",       .has_arg = 1, .flag = NULL, .val = 'b' },
+	{ .name = "vol-id",         .has_arg = 1, .flag = NULL, .val = 'I' },
+	{ .name = "min-io-size",    .has_arg = 1, .flag = NULL, .val = 'm' },
+	{ .name = "type",           .has_arg = 1, .flag = NULL, .val = 't' },
+	{ .name = "sub-page-size",  .has_arg = 1, .flag = NULL, .val = 's' },
+	{ .name = "alignment",      .has_arg = 1, .flag = NULL, .val = 'a' },
+	{ .name = "vid-hdr-offset", .has_arg = 1, .flag = NULL, .val = 'O' },
+	{ .name = "erase-counter",  .has_arg = 1, .flag = NULL, .val = 'e' },
+	{ .name = "ubi-ver",        .has_arg = 1, .flag = NULL, .val = 'x' },
+	{ .name = "help",           .has_arg = 0, .flag = NULL, .val = 'h' },
+	{ .name = "version",        .has_arg = 0, .flag = NULL, .val = 'V' },
 	{ NULL, 0, NULL, 0}
 };
 
-static const char copyright [] __attribute__((unused)) =
-	"Copyright IBM Corp 2006";
-
-#define CHECK_ENDP(option, endp) do {			\
-	if (*endp) {					\
-		fprintf(stderr,				\
-			"Parse error option \'%s\'. "	\
-			"No correct numeric value.\n"	\
-			, option);			\
-		exit(EXIT_FAILURE);			\
-	}						\
-} while(0)
-
-typedef struct myargs {
-	/* common settings */
-	action_t action;
-	int verbose;
-
-	int32_t id;
-	uint8_t type;
-	uint32_t eb_size;
-	uint64_t ec;
-	uint8_t version;
-	uint32_t hdr_offset;
-	uint32_t update_block;
-	uint32_t alignment;
-
-	FILE* fp_in;
-	FILE* fp_out;
-
-	/* special stuff needed to get additional arguments */
-	char *arg1;
-	char **options;			/* [STRING...] */
-} myargs;
-
-
-static int ustrtoul(const char *cp, char **endp, unsigned int base)
+static int parse_opt(int argc, char * const argv[])
 {
-	unsigned long result = strtoul(cp, endp, base);
-
-	switch (**endp) {
-	case 'G':
-		result *= 1024;
-	case 'M':
-		result *= 1024;
-	case 'k':
-	case 'K':
-		result *= 1024;
-	/* "Ki", "ki", "Mi" or "Gi" are to be used. */
-		if ((*endp)[1] == 'i')
-			(*endp) += 2;
-	}
-	return result;
-}
-
-static int
-parse_opt(int argc, char **argv, myargs *args)
-{
-	int err = 0;
-	char* endp;
-
 	while (1) {
 		int key;
+		char *endp;
 
-		key = getopt_long(argc, argv, "cdvA:B:E:I:O:T:X:i:o:U:?V",
-				long_options, NULL);
+		key = getopt_long(argc, argv, "i:o:b:I:m:t:s:a:O:e:x:hV",
+				  long_options, NULL);
 		if (key == -1)
 			break;
 
 		switch (key) {
-			case 'c':
-				fprintf(stderr, "%s\n", copyright);
-				exit(0);
-				break;
-			case 'o': /* output */
-				args->fp_out = fopen(optarg, "wb");
-				if ((args->fp_out) == NULL) {
-					fprintf(stderr, "Cannot open file %s "
-						"for output\n", optarg);
-					exit(1);
+		case 'o':
+			args.fp_out = fopen(optarg, "wb");
+			if (!args.fp_out) {
+				errmsg("cannot open file \"%s\"", optarg);
+				return -1;
+			}
+			break;
+
+		case 'i':
+			args.fp_in = fopen(optarg, "rb");
+			if (!args.fp_in) {
+				errmsg("cannot open file \"%s\"", optarg);
+				return -1;
+			}
+			break;
+
+		case 'b':
+			args.peb_size = strtoull(optarg, &endp, 0);
+			if (endp == optarg || args.peb_size <= 0) {
+				errmsg("bad physical eraseblock size: \"%s\"", optarg);
+				return -1;
+			}
+			if (*endp != '\0') {
+				int mult = ubiutils_get_multiplier(endp);
+
+				if (mult == -1) {
+					errmsg("bad size specifier: \"%s\" - "
+					       "should be 'KiB', 'MiB' or 'GiB'", endp);
+					return -1;
 				}
-				break;
-			case 'i': /* input */
-				args->fp_in = fopen(optarg, "rb");
-				if ((args->fp_in) == NULL) {
-					fprintf(stderr, "Cannot open file %s "
-						"for input\n", optarg);
-					exit(1);
+				args.peb_size *= mult;
+			}
+
+		case 'm':
+			args.min_io_size = strtoull(optarg, &endp, 0);
+			if (endp == optarg || args.min_io_size <= 0) {
+				errmsg("bad min. I/O unit size: \"%s\"", optarg);
+				return -1;
+			}
+			if (*endp != '\0') {
+				int mult = ubiutils_get_multiplier(endp);
+
+				if (mult == -1) {
+					errmsg("bad size specifier: \"%s\" - "
+					       "should be 'KiB', 'MiB' or 'GiB'", endp);
+					return -1;
 				}
-				break;
-			case 'v': /* verbose */
-				args->verbose = 1;
-				break;
-
-			case 'B': /* eb_size */
-				args->eb_size =
-					(uint32_t)ustrtoul(optarg, &endp, 0);
-				CHECK_ENDP("B", endp);
-				break;
-			case 'E': /* erasecount */
-				args->ec = (uint64_t)strtoul(optarg, &endp, 0);
-				CHECK_ENDP("E", endp);
-				break;
-			case 'I': /* id */
-				args->id = (uint16_t)strtoul(optarg, &endp, 0);
-				CHECK_ENDP("I", endp);
-				break;
-			case 'T': /* type */
-				args->type =
-					(uint16_t)strtoul(optarg, &endp, 0);
-				CHECK_ENDP("T", endp);
-				break;
-			case 'X': /* versionnr */
-				args->version =
-					(uint8_t)strtoul(optarg, &endp, 0);
-				CHECK_ENDP("X", endp);
-				break;
-			case 'O': /* offset for volume hdr */
-				args->hdr_offset =
-					(uint32_t) strtoul(optarg, &endp, 0);
-				CHECK_ENDP("O", endp);
-				break;
-
-			case 'U': /* broken update */
-				args->action = ACT_BROKEN_UPDATE;
-				args->update_block =
-					(uint32_t) strtoul(optarg, &endp, 0);
-				CHECK_ENDP("U", endp);
-				break;
-
-			case '?': /* help */
-				fprintf(stderr, "Usage: ubigen [OPTION...]\n");
-				fprintf(stderr, "%s", doc);
-				fprintf(stderr, "%s", optionsstr);
-				fprintf(stderr, "\nReport bugs to %s\n",
-					PACKAGE_BUGREPORT);
-				exit(0);
-				break;
-
-			case 'V':
-				fprintf(stderr, "%s\n", PROGRAM_VERSION);
-				exit(0);
-				break;
-
-			default:
-				fprintf(stderr, "%s", usage);
-				exit(-1);
-		}
-	}
+				args.min_io_size *= mult;
+			}
+
+		case 'e':
+			args.ec = strtoul(optarg, &endp, 0);
+			if (endp == optarg || args.ec < 0) {
+				errmsg("bad erase counter value: \"%s\"", optarg);
+				return -1;
+			}
+			break;
+
+		case 'I':
+			args.id = strtoul(optarg, &endp, 0);
+			if (endp == optarg || args.id < 0) {
+				errmsg("bad volume ID: \"%s\"", optarg);
+				return -1;
+			}
+			break;
 
-	if (optind < argc) {
-		if (!args->fp_in) {
-			args->fp_in = fopen(argv[optind++], "rb");
-			if ((args->fp_in) == NULL) {
-				fprintf(stderr,	"Cannot open file %s for "
-					"input\n", argv[optind]);
-				exit(1);
+		case 't':
+			if (!strcmp(optarg, "dynamic"))
+				args.type = UBI_VID_DYNAMIC;
+			else if (!strcmp(optarg, "static"))
+				args.type = UBI_VID_STATIC;
+			else {
+				errmsg("bad volume type: \"%s\"", optarg);
+				return -1;
 			}
+			break;
+
+		case 'x':
+			args.ubi_ver = strtoul(optarg, &endp, 0);
+			if (endp == optarg || args.ubi_ver < 0) {
+				errmsg("bad UBI version: \"%s\"", optarg);
+				return -1;
+			}
+			break;
+
+		case 'O':
+			args.vid_hdr_offs =  strtoul(optarg, &endp, 0);
+			if (endp == optarg || args.vid_hdr_offs < 0) {
+				errmsg("bad VID header offset: \"%s\"", optarg);
+				return -1;
+			}
+			break;
+
+		case 'h':
+			fprintf(stderr, "%s\n\n", doc);
+			fprintf(stderr, "%s\n\n", usage);
+			fprintf(stderr, "%s\n", optionsstr);
+			exit(EXIT_SUCCESS);
+
+		case 'V':
+			fprintf(stderr, "%s\n", PROGRAM_VERSION);
+			exit(EXIT_SUCCESS);
+
+		case ':':
+			errmsg("parameter is missing");
+			return -1;
+
+		default:
+			fprintf(stderr, "Use -h for help\n");
+			return -1;
 		}
 	}
-	if (args->id < 0) {
-		err = 1;
-		fprintf(stderr,
-				"Please specify an UBI Volume ID.\n");
+
+	if (!args.fp_in) {
+		errmsg("input file was not specified (use -h for help)");
+		return -1;
+	}
+
+	if (!args.fp_out)
+		args.fp_out = stdout;
+
+	if (args.id < 0) {
+		errmsg("wolume ID was not specified (use -h for help)");
+		return -1;
 	}
-	if (args->type == 0) {
-		err = 1;
-		fprintf(stderr,
-				"Please specify an UBI Volume type.\n");
+
+	if (args.peb_size < 0) {
+		errmsg("physical eraseblock size was not specified "
+		       "(use -h for help)");
+		return -1;
 	}
-	if (err) {
-		fprintf(stderr, "%s", usage);
-		exit(1);
+
+	if (args.min_io_size < 0) {
+		errmsg("min. I/O unit size was not specified "
+		       "(use -h for help)");
+		return -1;
 	}
 
+	if (args.sub_page_size < 0)
+		args.sub_page_size = args.min_io_size;
+
 	return 0;
 }
 
 
-int
-main(int argc, char **argv)
+int main(int argc, char * const argv[])
 {
-	int rc = 0;
+	int err;
 	ubi_info_t u;
 	struct stat file_info;
 	off_t input_len = 0; /* only used in static volumes */
 
-	myargs args = {
-		.action = ACT_NORMAL,
-		.verbose = 0,
-
-		.id = -1,
-		.type = 0,
-		.eb_size = 0,
-		.update_block = 0,
-		.ec = 0,
-		.version = 0,
-		.hdr_offset = (DEFAULT_PAGESIZE) - (UBI_VID_HDR_SIZE),
-		.alignment = 1,
+	ubigen_init();
 
-		.fp_in = NULL,
-		.fp_out = stdout,
-		/* arguments */
-		.arg1 = NULL,
-		.options = NULL,
-	};
-
-	ubigen_init(); /* Init CRC32 table in ubigen */
-
-	/* parse arguments */
-	parse_opt(argc, argv, &args);
+	err = parse_opt(argc, argv);
+	if (err)
+		return -1;
 
 	if (fstat(fileno(args.fp_in), &file_info) != 0) {
 		fprintf(stderr, "Cannot fetch file size "
@@ -327,33 +298,22 @@ main(int argc, char **argv)
 	}
 	input_len = file_info.st_size;
 
-	rc = ubigen_create(&u, (uint32_t)args.id, args.type,
-			args.eb_size, args.ec, args.alignment,
-			args.version, args.hdr_offset, 0 ,input_len,
+	err = ubigen_create(&u, (uint32_t)args.id, args.type,
+			args.peb_size, args.ec, args.alignment,
+			args.ubi_ver, args.vid_hdr_offs, 0 ,input_len,
 			args.fp_in, args.fp_out);
 
-	if  (rc != 0) {
-		fprintf(stderr, "Cannot create UBI info handler rc: %d\n", rc);
-		exit(EXIT_FAILURE);
+	if  (err) {
+		fprintf(stderr, "Cannot create UBI info handler err: %d\n", err);
+		return -1;
 	}
 
-	if (!args.fp_in || !args.fp_out) {
-		fprintf(stderr, "Input/Output error.\n");
-		exit(EXIT_FAILURE);
-
-	}
-
-	if (args.action & ACT_NORMAL) {
-		rc = ubigen_write_complete(u);
-	}
-	else if (args.action & ACT_BROKEN_UPDATE) {
-		rc = ubigen_write_broken_update(u, args.update_block);
-	}
-	if  (rc != 0) {
+	err = ubigen_write_complete(u);
+	if  (err != 0) {
 		fprintf(stderr, "Error converting input data.\n");
-		exit(EXIT_FAILURE);
+		return -1;
 	}
 
-	rc = ubigen_destroy(&u);
-	return rc;
+	err = ubigen_destroy(&u);
+	return err;
 }