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-rw-r--r--ftl_check.c318
1 files changed, 159 insertions, 159 deletions
diff --git a/ftl_check.c b/ftl_check.c
index f5398ed..5afc0f3 100644
--- a/ftl_check.c
+++ b/ftl_check.c
@@ -4,36 +4,36 @@
*/
/*======================================================================
- Utility to create an FTL partition in a memory region
+ Utility to create an FTL partition in a memory region
- ftl_check.c 1.10 1999/10/25 20:01:35
+ ftl_check.c 1.10 1999/10/25 20:01:35
- The contents of this file are subject to the Mozilla Public
- License Version 1.1 (the "License"); you may not use this file
- except in compliance with the License. You may obtain a copy of
- the License at http://www.mozilla.org/MPL/
+ The contents of this file are subject to the Mozilla Public
+ License Version 1.1 (the "License"); you may not use this file
+ except in compliance with the License. You may obtain a copy of
+ the License at http://www.mozilla.org/MPL/
- Software distributed under the License is distributed on an "AS
- IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
- implied. See the License for the specific language governing
- rights and limitations under the License.
+ Software distributed under the License is distributed on an "AS
+ IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+ implied. See the License for the specific language governing
+ rights and limitations under the License.
- The initial developer of the original code is David A. Hinds
- <dhinds@pcmcia.sourceforge.org>. Portions created by David A. Hinds
- are Copyright (C) 1999 David A. Hinds. All Rights Reserved.
+ The initial developer of the original code is David A. Hinds
+ <dhinds@pcmcia.sourceforge.org>. Portions created by David A. Hinds
+ are Copyright (C) 1999 David A. Hinds. All Rights Reserved.
- Alternatively, the contents of this file may be used under the
- terms of the GNU Public License version 2 (the "GPL"), in which
- case the provisions of the GPL are applicable instead of the
- above. If you wish to allow the use of your version of this file
- only under the terms of the GPL and not to allow others to use
- your version of this file under the MPL, indicate your decision
- by deleting the provisions above and replace them with the notice
- and other provisions required by the GPL. If you do not delete
- the provisions above, a recipient may use your version of this
- file under either the MPL or the GPL.
+ Alternatively, the contents of this file may be used under the
+ terms of the GNU Public License version 2 (the "GPL"), in which
+ case the provisions of the GPL are applicable instead of the
+ above. If you wish to allow the use of your version of this file
+ only under the terms of the GPL and not to allow others to use
+ your version of this file under the MPL, indicate your decision
+ by deleting the provisions above and replace them with the notice
+ and other provisions required by the GPL. If you do not delete
+ the provisions above, a recipient may use your version of this
+ file under either the MPL or the GPL.
-======================================================================*/
+ ======================================================================*/
#include <sys/types.h>
#include <stdio.h>
@@ -70,112 +70,112 @@
static void print_size(u_int s)
{
- if ((s > 0x100000) && ((s % 0x100000) == 0))
- printf("%d mb", s / 0x100000);
- else if ((s > 0x400) && ((s % 0x400) == 0))
- printf("%d kb", s / 0x400);
- else
- printf("%d bytes", s);
+ if ((s > 0x100000) && ((s % 0x100000) == 0))
+ printf("%d mb", s / 0x100000);
+ else if ((s > 0x400) && ((s % 0x400) == 0))
+ printf("%d kb", s / 0x400);
+ else
+ printf("%d bytes", s);
}
/*====================================================================*/
static void check_partition(int fd, int verbose)
{
- mtd_info_t mtd;
- erase_unit_header_t hdr, hdr2;
- u_int i, j, nbam, *bam;
- int control, data, free, deleted;
-
- /* Get partition size, block size */
- if (ioctl(fd, MEMGETINFO, &mtd) != 0) {
- perror("get info failed");
- return;
- }
-
- printf("Memory region info:\n");
- printf(" Region size = ");
- print_size(mtd.size);
- printf(" Erase block size = ");
- print_size(mtd.erasesize);
- printf("\n\n");
-
- for (i = 0; i < mtd.size/mtd.erasesize; i++) {
- if (lseek(fd, (i * mtd.erasesize), SEEK_SET) == -1) {
- perror("seek failed");
- break;
+ mtd_info_t mtd;
+ erase_unit_header_t hdr, hdr2;
+ u_int i, j, nbam, *bam;
+ int control, data, free, deleted;
+
+ /* Get partition size, block size */
+ if (ioctl(fd, MEMGETINFO, &mtd) != 0) {
+ perror("get info failed");
+ return;
}
- read(fd, &hdr, sizeof(hdr));
- if ((FROM_LE32(hdr.FormattedSize) > 0) &&
- (FROM_LE32(hdr.FormattedSize) <= mtd.size) &&
- (FROM_LE16(hdr.NumEraseUnits) > 0) &&
- (FROM_LE16(hdr.NumEraseUnits) <= mtd.size/mtd.erasesize))
- break;
- }
- if (i == mtd.size/mtd.erasesize) {
- fprintf(stderr, "No valid erase unit headers!\n");
- return;
- }
-
- printf("Partition header:\n");
- printf(" Formatted size = ");
- print_size(FROM_LE32(hdr.FormattedSize));
- printf(", erase units = %d, transfer units = %d\n",
- FROM_LE16(hdr.NumEraseUnits), hdr.NumTransferUnits);
- printf(" Erase unit size = ");
- print_size(1 << hdr.EraseUnitSize);
- printf(", virtual block size = ");
- print_size(1 << hdr.BlockSize);
- printf("\n");
-
- /* Create basic block allocation table for control blocks */
- nbam = (mtd.erasesize >> hdr.BlockSize);
- bam = malloc(nbam * sizeof(u_int));
-
- for (i = 0; i < FROM_LE16(hdr.NumEraseUnits); i++) {
- if (lseek(fd, (i << hdr.EraseUnitSize), SEEK_SET) == -1) {
- perror("seek failed");
- break;
+
+ printf("Memory region info:\n");
+ printf(" Region size = ");
+ print_size(mtd.size);
+ printf(" Erase block size = ");
+ print_size(mtd.erasesize);
+ printf("\n\n");
+
+ for (i = 0; i < mtd.size/mtd.erasesize; i++) {
+ if (lseek(fd, (i * mtd.erasesize), SEEK_SET) == -1) {
+ perror("seek failed");
+ break;
+ }
+ read(fd, &hdr, sizeof(hdr));
+ if ((FROM_LE32(hdr.FormattedSize) > 0) &&
+ (FROM_LE32(hdr.FormattedSize) <= mtd.size) &&
+ (FROM_LE16(hdr.NumEraseUnits) > 0) &&
+ (FROM_LE16(hdr.NumEraseUnits) <= mtd.size/mtd.erasesize))
+ break;
}
- if (read(fd, &hdr2, sizeof(hdr2)) == -1) {
- perror("read failed");
- break;
+ if (i == mtd.size/mtd.erasesize) {
+ fprintf(stderr, "No valid erase unit headers!\n");
+ return;
}
- printf("\nErase unit %d:\n", i);
- if ((hdr2.FormattedSize != hdr.FormattedSize) ||
- (hdr2.NumEraseUnits != hdr.NumEraseUnits) ||
- (hdr2.SerialNumber != hdr.SerialNumber))
- printf(" Erase unit header is corrupt.\n");
- else if (FROM_LE16(hdr2.LogicalEUN) == 0xffff)
- printf(" Transfer unit, erase count = %d\n", FROM_LE32(hdr2.EraseCount));
- else {
- printf(" Logical unit %d, erase count = %d\n",
- FROM_LE16(hdr2.LogicalEUN), FROM_LE32(hdr2.EraseCount));
- if (lseek(fd, (i << hdr.EraseUnitSize)+FROM_LE32(hdr.BAMOffset),
- SEEK_SET) == -1) {
- perror("seek failed");
- break;
- }
- if (read(fd, bam, nbam * sizeof(u_int)) == -1) {
- perror("read failed");
- break;
- }
- free = deleted = control = data = 0;
- for (j = 0; j < nbam; j++) {
- if (BLOCK_FREE(FROM_LE32(bam[j])))
- free++;
- else if (BLOCK_DELETED(FROM_LE32(bam[j])))
- deleted++;
- else switch (BLOCK_TYPE(FROM_LE32(bam[j]))) {
- case BLOCK_CONTROL: control++; break;
- case BLOCK_DATA: data++; break;
- default: break;
+
+ printf("Partition header:\n");
+ printf(" Formatted size = ");
+ print_size(FROM_LE32(hdr.FormattedSize));
+ printf(", erase units = %d, transfer units = %d\n",
+ FROM_LE16(hdr.NumEraseUnits), hdr.NumTransferUnits);
+ printf(" Erase unit size = ");
+ print_size(1 << hdr.EraseUnitSize);
+ printf(", virtual block size = ");
+ print_size(1 << hdr.BlockSize);
+ printf("\n");
+
+ /* Create basic block allocation table for control blocks */
+ nbam = (mtd.erasesize >> hdr.BlockSize);
+ bam = malloc(nbam * sizeof(u_int));
+
+ for (i = 0; i < FROM_LE16(hdr.NumEraseUnits); i++) {
+ if (lseek(fd, (i << hdr.EraseUnitSize), SEEK_SET) == -1) {
+ perror("seek failed");
+ break;
+ }
+ if (read(fd, &hdr2, sizeof(hdr2)) == -1) {
+ perror("read failed");
+ break;
+ }
+ printf("\nErase unit %d:\n", i);
+ if ((hdr2.FormattedSize != hdr.FormattedSize) ||
+ (hdr2.NumEraseUnits != hdr.NumEraseUnits) ||
+ (hdr2.SerialNumber != hdr.SerialNumber))
+ printf(" Erase unit header is corrupt.\n");
+ else if (FROM_LE16(hdr2.LogicalEUN) == 0xffff)
+ printf(" Transfer unit, erase count = %d\n", FROM_LE32(hdr2.EraseCount));
+ else {
+ printf(" Logical unit %d, erase count = %d\n",
+ FROM_LE16(hdr2.LogicalEUN), FROM_LE32(hdr2.EraseCount));
+ if (lseek(fd, (i << hdr.EraseUnitSize)+FROM_LE32(hdr.BAMOffset),
+ SEEK_SET) == -1) {
+ perror("seek failed");
+ break;
+ }
+ if (read(fd, bam, nbam * sizeof(u_int)) == -1) {
+ perror("read failed");
+ break;
+ }
+ free = deleted = control = data = 0;
+ for (j = 0; j < nbam; j++) {
+ if (BLOCK_FREE(FROM_LE32(bam[j])))
+ free++;
+ else if (BLOCK_DELETED(FROM_LE32(bam[j])))
+ deleted++;
+ else switch (BLOCK_TYPE(FROM_LE32(bam[j]))) {
+ case BLOCK_CONTROL: control++; break;
+ case BLOCK_DATA: data++; break;
+ default: break;
+ }
+ }
+ printf(" Block allocation: %d control, %d data, %d free,"
+ " %d deleted\n", control, data, free, deleted);
}
- }
- printf(" Block allocation: %d control, %d data, %d free,"
- " %d deleted\n", control, data, free, deleted);
}
- }
} /* format_partition */
/* Show usage information */
@@ -189,45 +189,45 @@ void showusage(char *pname)
int main(int argc, char *argv[])
{
- int verbose;
- int optch, errflg, fd;
- struct stat buf;
-
- errflg = 0;
- verbose = 0;
- while ((optch = getopt(argc, argv, "vh")) != -1) {
- switch (optch) {
- case 'h':
- errflg = 1; break;
- case 'v':
- verbose = 1; break;
- default:
- errflg = -1; break;
+ int verbose;
+ int optch, errflg, fd;
+ struct stat buf;
+
+ errflg = 0;
+ verbose = 0;
+ while ((optch = getopt(argc, argv, "vh")) != -1) {
+ switch (optch) {
+ case 'h':
+ errflg = 1; break;
+ case 'v':
+ verbose = 1; break;
+ default:
+ errflg = -1; break;
+ }
+ }
+ if (errflg || (optind != argc-1)) {
+ showusage(argv[0]);
+ exit(errflg > 0 ? 0 : EXIT_FAILURE);
}
- }
- if (errflg || (optind != argc-1)) {
- showusage(argv[0]);
- exit(errflg > 0 ? 0 : EXIT_FAILURE);
- }
-
- if (stat(argv[optind], &buf) != 0) {
- perror("status check failed");
- exit(EXIT_FAILURE);
- }
- if (!(buf.st_mode & S_IFCHR)) {
- fprintf(stderr, "%s is not a character special device\n",
- argv[optind]);
- exit(EXIT_FAILURE);
- }
- fd = open(argv[optind], O_RDONLY);
- if (fd == -1) {
- perror("open failed");
- exit(EXIT_FAILURE);
- }
-
- check_partition(fd, verbose);
- close(fd);
-
- exit(EXIT_SUCCESS);
- return 0;
+
+ if (stat(argv[optind], &buf) != 0) {
+ perror("status check failed");
+ exit(EXIT_FAILURE);
+ }
+ if (!(buf.st_mode & S_IFCHR)) {
+ fprintf(stderr, "%s is not a character special device\n",
+ argv[optind]);
+ exit(EXIT_FAILURE);
+ }
+ fd = open(argv[optind], O_RDONLY);
+ if (fd == -1) {
+ perror("open failed");
+ exit(EXIT_FAILURE);
+ }
+
+ check_partition(fd, verbose);
+ close(fd);
+
+ exit(EXIT_SUCCESS);
+ return 0;
}
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