X-Git-Url: http://git.archive.openwrt.org/?a=blobdiff_plain;f=lib%2Fmtd.c;fp=lib%2Fmtd.c;h=0000000000000000000000000000000000000000;hb=4e3268f90ae97ccb047c47a78b83bcebeb9593cd;hp=00360788656590ae43edb48067b92f211cd38524;hpb=d292ffc85f48dd9c8774a0860f50397dd2966e7a;p=project%2Ffstools.git

diff --git a/lib/mtd.c b/lib/mtd.c
deleted file mode 100644
index 0036078..0000000
--- a/lib/mtd.c
+++ /dev/null
@@ -1,201 +0,0 @@
-/*
- * Copyright (C) 2014 John Crispin <blogic@openwrt.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License version 2.1
- * as published by the Free Software Foundation
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
-#include <sys/stat.h>
-#include <sys/stat.h>
-#include <sys/types.h>
-#include <sys/ioctl.h>
-#include <asm/byteorder.h>
-#include <mtd/mtd-user.h>
-
-#include <errno.h>
-#include <glob.h>
-#include <fcntl.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <libgen.h>
-#include <unistd.h>
-#include <string.h>
-
-#include "../fs-state.h"
-#include "mtd.h"
-
-#define PATH_MAX	256
-
-int mtdsize = 0;
-int erasesize = 0;
-
-int
-mtd_open(const char *mtd, int block)
-{
-	FILE *fp;
-	char dev[PATH_MAX];
-	int i, ret, flags = O_RDWR | O_SYNC;
-
-	if ((fp = fopen("/proc/mtd", "r"))) {
-		while (fgets(dev, sizeof(dev), fp)) {
-			if (sscanf(dev, "mtd%d:", &i) && strstr(dev, mtd)) {
-				snprintf(dev, sizeof(dev), "/dev/mtd%s/%d", (block ? "block" : ""), i);
-				ret = open(dev, flags);
-				if (ret < 0) {
-					snprintf(dev, sizeof(dev), "/dev/mtd%s%d", (block ? "block" : ""), i);
-					ret = open(dev, flags);
-				}
-				fclose(fp);
-				return ret;
-			}
-		}
-		fclose(fp);
-	}
-
-	return open(mtd, flags);
-}
-
-int
-mtd_load(const char *mtd)
-{
-	struct mtd_info_user mtdInfo;
-	struct erase_info_user mtdLockInfo;
-	int fd;
-
-	fd = mtd_open(mtd, 0);
-	if (fd < 0) {
-		fprintf(stderr, "Could not open mtd device: %s\n", mtd);
-		return -1;
-	}
-
-	if (ioctl(fd, MEMGETINFO, &mtdInfo)) {
-		fprintf(stderr, "Could not get MTD device info from %s\n", mtd);
-		close(fd);
-		return -1;
-	}
-
-	mtdsize = mtdInfo.size;
-	erasesize = mtdInfo.erasesize;
-
-	mtdLockInfo.start = 0;
-	mtdLockInfo.length = mtdsize;
-	ioctl(fd, MEMUNLOCK, &mtdLockInfo);
-
-	return fd;
-}
-
-void
-mtd_erase(int fd, int first_block, int num_blocks)
-{
-	struct erase_info_user eiu;
-
-	eiu.length = erasesize;
-	for (eiu.start = first_block * erasesize;
-			eiu.start < mtdsize && eiu.start < (first_block + num_blocks) * erasesize;
-			eiu.start += erasesize) {
-		fprintf(stderr, "erasing %x %x\n", eiu.start, erasesize);
-		ioctl(fd, MEMUNLOCK, &eiu);
-		if (ioctl(fd, MEMERASE, &eiu))
-			fprintf(stderr, "Failed to erase block at 0x%x\n", eiu.start);
-	}
-}
-
-int
-mtd_unlock(int fd)
-{
-	struct mtd_info_user mtdinfo;
-	int ret = ioctl(fd, MEMGETINFO, &mtdinfo);
-
-	if (ret) {
-		fprintf(stderr, "ioctl(%d, MEMGETINFO) failed: %s\n", fd, strerror(errno));
-	} else {
-		struct erase_info_user mtdlock;
-
-		mtdlock.start = 0;
-		mtdlock.length = mtdinfo.size;
-		ioctl(fd, MEMUNLOCK, &mtdlock);
-	}
-
-	return ret;
-}
-
-int
-mtd_read_buffer(int fd, void *buf, int offset, int length)
-{
-	if (lseek(fd, offset, SEEK_SET) == (off_t) -1) {
-		fprintf(stderr, "lseek/read failed\n");
-		return -1;
-	}
-
-	if (read(fd, buf, length) == -1) {
-		fprintf(stderr, "read failed\n");
-		return -1;
-	}
-
-	return 0;
-}
-
-int
-mtd_write_buffer(int fd, void *buf, int offset, int length)
-{
-	if (lseek(fd, offset, SEEK_SET) == (off_t) -1) {
-		fprintf(stderr, "lseek/write failed at offset %d\n", offset);
-		perror("lseek");
-		return -1;
-	}
-
-	if (write(fd, buf, length) == -1) {
-		fprintf(stderr, "write failed\n");
-		return -1;
-	}
-
-	return 0;
-}
-
-int
-mtd_identify(char *mtd)
-{
-	int fd = mtd_load(mtd);
-	__u32 deadc0de;
-	__u16 jffs2;
-	size_t sz;
-
-	if (!fd) {
-		fprintf(stderr, "reading %s failed\n", mtd);
-		return -1;
-	}
-
-	sz = read(fd, &deadc0de, sizeof(deadc0de));
-	close(fd);
-
-	if (sz != sizeof(deadc0de)) {
-		fprintf(stderr, "reading %s failed: %s\n", mtd, strerror(errno));
-		return -1;
-	}
-
-	if (deadc0de == 0x4f575254)
-		return FS_SNAPSHOT;
-
-	deadc0de = __be32_to_cpu(deadc0de);
-	jffs2 = __be16_to_cpu(deadc0de >> 16);
-
-	if (jffs2 == 0x1985) {
-		fprintf(stderr, "jffs2 is ready\n");
-		return FS_JFFS2;
-	}
-
-	if (deadc0de == 0xdeadc0de) {
-		fprintf(stderr, "jffs2 is not ready - marker found\n");
-		return FS_DEADCODE;
-	}
-
-	fprintf(stderr, "No jffs2 marker was found\n");
-
-	return FS_NONE;
-}