173 lines
3.5 KiB
C
173 lines
3.5 KiB
C
#include <common.h>
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#include <command.h>
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#include <fs.h>
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#include <fcntl.h>
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#include <ioctl.h>
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#include <errno.h>
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#include <getopt.h>
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#include <linux/mtd/mtd.h>
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#include <linux/kernel.h>
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#include <linux/mtd/mtd-abi.h>
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#include <mtd/ubi-user.h>
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#include <mtd/ubi-media.h>
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static int do_ubimkvol(int argc, char *argv[])
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{
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struct ubi_mkvol_req req;
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int fd, ret;
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uint64_t size;
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if (argc != 4)
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return COMMAND_ERROR_USAGE;
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size = strtoull_suffix(argv[3], NULL, 0);
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req.name_len = min_t(int, strlen(argv[2]), UBI_VOL_NAME_MAX);
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strncpy(req.name, argv[2], req.name_len);
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req.name[req.name_len] = 0;
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req.vol_type = UBI_DYNAMIC_VOLUME;
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req.bytes = size;
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req.vol_id = UBI_VOL_NUM_AUTO;
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req.alignment = 1;
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fd = open(argv[1], O_WRONLY);
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if (fd < 0) {
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perror("open");
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return 1;
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}
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ret = ioctl(fd, UBI_IOCMKVOL, &req);
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if (ret)
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printf("failed to create: %s\n", strerror(-ret));
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close(fd);
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return ret ? 1 : 0;
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}
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static const __maybe_unused char cmd_ubimkvol_help[] =
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"Usage: ubimkvol <ubidev> <name> <size>\n"
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"Create an ubi volume on <ubidev> with name <name> and size <size>\n"
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"If size is zero all available space is used for the volume\n";
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BAREBOX_CMD_START(ubimkvol)
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.cmd = do_ubimkvol,
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.usage = "create an ubi volume",
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BAREBOX_CMD_HELP(cmd_ubimkvol_help)
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BAREBOX_CMD_END
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static int do_ubiattach(int argc, char *argv[])
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{
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int opt;
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struct mtd_info_user user;
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int fd, ret;
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int vid_hdr_offset = 0;
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while((opt = getopt(argc, argv, "O:")) > 0) {
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switch(opt) {
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case 'O':
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vid_hdr_offset = simple_strtoul(optarg, NULL, 0);
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break;
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default:
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return COMMAND_ERROR_USAGE;
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}
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}
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if (optind == argc)
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return COMMAND_ERROR_USAGE;
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fd = open(argv[optind], O_RDWR);
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if (fd < 0) {
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perror("open");
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return 1;
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}
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ret = ioctl(fd, MEMGETINFO, &user);
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if (ret) {
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printf("MEMGETINFO failed: %s\n", strerror(-ret));
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goto err;
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}
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ret = ubi_attach_mtd_dev(user.mtd, UBI_DEV_NUM_AUTO, vid_hdr_offset, 20);
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if (ret < 0)
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printf("failed to attach: %s\n", strerror(-ret));
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else
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ret = 0;
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err:
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close(fd);
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return ret ? 1 : 0;
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}
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static const __maybe_unused char cmd_ubiattach_help[] =
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"Usage: ubiattach [-O vid-hdr-offset] <mtddev>\n"
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"Attach <mtddev> to ubi\n";
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BAREBOX_CMD_START(ubiattach)
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.cmd = do_ubiattach,
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.usage = "attach a mtd dev to ubi",
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BAREBOX_CMD_HELP(cmd_ubiattach_help)
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BAREBOX_CMD_END
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static int do_ubidetach(int argc, char *argv[])
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{
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int ubi_num, ret;
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if (argc != 2)
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return COMMAND_ERROR_USAGE;
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ubi_num = simple_strtoul(argv[1], NULL, 0);
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ret = ubi_detach_mtd_dev(ubi_num, 1);
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if (ret)
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printf("failed to detach: %s\n", strerror(-ret));
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return ret;
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}
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static const __maybe_unused char cmd_ubidetach_help[] =
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"Usage: ubidetach <ubinum>\n"
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"Detach <ubinum> from ubi\n";
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BAREBOX_CMD_START(ubidetach)
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.cmd = do_ubidetach,
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.usage = "detach an ubi dev",
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BAREBOX_CMD_HELP(cmd_ubidetach_help)
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BAREBOX_CMD_END
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static int do_ubirmvol(int argc, char *argv[])
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{
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struct ubi_mkvol_req req;
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int fd, ret;
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if (argc != 3)
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return COMMAND_ERROR_USAGE;
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strncpy(req.name, argv[2], UBI_VOL_NAME_MAX);
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req.name[UBI_VOL_NAME_MAX] = 0;
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fd = open(argv[1], O_WRONLY);
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if (fd < 0) {
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perror("open");
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return 1;
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}
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ret = ioctl(fd, UBI_IOCRMVOL, &req);
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if (ret)
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printf("failed to delete: %s\n", strerror(-ret));
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close(fd);
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return ret ? 1 : 0;
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}
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static const __maybe_unused char cmd_ubirmvol_help[] =
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"Usage: ubirmvol <ubidev> <name>\n"
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"Delete ubi volume <name> from <ubidev>\n";
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BAREBOX_CMD_START(ubirmvol)
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.cmd = do_ubirmvol,
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.usage = "delete an ubi volume",
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BAREBOX_CMD_HELP(cmd_ubirmvol_help)
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BAREBOX_CMD_END
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