add 'mtd refresh' command
SVN-Revision: 8439
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parent
4460bbca47
commit
5307d511aa
2 changed files with 33 additions and 1 deletions
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@ -241,6 +241,25 @@ mtd_erase(const char *mtd)
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}
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int
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mtd_refresh(const char *mtd)
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{
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int fd;
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fd = mtd_open(mtd, O_RDWR | O_SYNC);
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if(fd < 0) {
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fprintf(stderr, "Could not open mtd device: %s\n", mtd);
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exit(1);
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}
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if (ioctl(fd, MTDREFRESH, NULL)) {
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fprintf(stderr, "Failed to refresh the MTD device\n");
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close(fd);
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exit(1);
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}
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close(fd);
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return 0;
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}
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int
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mtd_write(int imagefd, const char *mtd)
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{
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@ -318,6 +337,7 @@ void usage(void)
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"The device is in the format of mtdX (eg: mtd4) or its label.\n"
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"mtd recognizes these commands:\n"
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" unlock unlock the device\n"
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" refresh refresh mtd partition\n"
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" erase erase all data on device\n"
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" write <imagefile>|- write <imagefile> (use - for stdin) to device\n"
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"Following options are available:\n"
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@ -338,7 +358,8 @@ int main (int argc, char **argv)
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enum {
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CMD_ERASE,
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CMD_WRITE,
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CMD_UNLOCK
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CMD_UNLOCK,
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CMD_REFRESH
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} cmd;
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erase[0] = NULL;
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@ -380,6 +401,9 @@ int main (int argc, char **argv)
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if ((strcmp(argv[0], "unlock") == 0) && (argc == 2)) {
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cmd = CMD_UNLOCK;
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device = argv[1];
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} else if ((strcmp(argv[0], "refresh") == 0) && (argc == 2)) {
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cmd = CMD_REFRESH;
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device = argv[1];
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} else if ((strcmp(argv[0], "erase") == 0) && (argc == 2)) {
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cmd = CMD_ERASE;
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device = argv[1];
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@ -451,6 +475,13 @@ int main (int argc, char **argv)
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if (quiet < 2)
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fprintf(stderr, "\n");
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break;
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case CMD_REFRESH:
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if (quiet < 2)
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fprintf(stderr, "Refreshing mtd partition %s ... ");
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mtd_refresh(device);
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if (quiet < 2)
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fprintf(stderr, "\n");
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break;
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}
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sync();
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@ -96,6 +96,7 @@ struct region_info_user {
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#define MEMGETREGIONINFO _IOWR('M', 8, struct region_info_user)
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#define MEMREADDATA _IOWR('M', 9, struct mtd_oob_buf)
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#define MEMWRITEDATA _IOWR('M', 10, struct mtd_oob_buf)
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#define MTDREFRESH _IO('M', 23)
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#ifndef __KERNEL__
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