blob: 976024ef7473c590058c404e9c6c76cbd1de2b15 [file] [log] [blame]
/*
* Copyright (c) 2012 Mike Frysinger <vapier@gentoo.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "defs.h"
#include <sys/ioctl.h>
/* The mtd api changes quickly, so we have to keep a local copy */
#include <linux/version.h>
#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 3, 0)
# include "mtd-abi.h"
#else
# include <mtd/mtd-abi.h>
#endif
static const struct xlat mtd_mode_options[] = {
{ MTD_OPS_PLACE_OOB, "MTD_OPS_PLACE_OOB" },
{ MTD_OPS_AUTO_OOB, "MTD_OPS_AUTO_OOB" },
{ MTD_OPS_RAW, "MTD_OPS_RAW" },
{ 0, NULL },
};
static const struct xlat mtd_type_options[] = {
{ MTD_ABSENT, "MTD_ABSENT" },
{ MTD_RAM, "MTD_RAM" },
{ MTD_ROM, "MTD_ROM" },
{ MTD_NORFLASH, "MTD_NORFLASH" },
{ MTD_NANDFLASH, "MTD_NANDFLASH" },
{ MTD_DATAFLASH, "MTD_DATAFLASH" },
{ MTD_UBIVOLUME, "MTD_UBIVOLUME" },
{ MTD_MLCNANDFLASH, "MTD_MLCNANDFLASH" },
{ 0, NULL },
};
static const struct xlat mtd_flags_options[] = {
{ MTD_WRITEABLE, "MTD_WRITEABLE" },
{ MTD_BIT_WRITEABLE, "MTD_BIT_WRITEABLE" },
{ MTD_NO_ERASE, "MTD_NO_ERASE" },
{ MTD_POWERUP_LOCK, "MTD_POWERUP_LOCK" },
{ 0, NULL },
};
static const struct xlat mtd_otp_options[] = {
{ MTD_OTP_OFF, "MTD_OTP_OFF" },
{ MTD_OTP_FACTORY, "MTD_OTP_FACTORY" },
{ MTD_OTP_USER, "MTD_OTP_USER" },
{ 0, NULL },
};
static const struct xlat mtd_nandecc_options[] = {
{ MTD_NANDECC_OFF, "MTD_NANDECC_OFF" },
{ MTD_NANDECC_PLACE, "MTD_NANDECC_PLACE" },
{ MTD_NANDECC_AUTOPLACE, "MTD_NANDECC_AUTOPLACE" },
{ MTD_NANDECC_PLACEONLY, "MTD_NANDECC_PLACEONLY" },
{ MTD_NANDECC_AUTOPL_USR, "MTD_NANDECC_AUTOPL_USR" },
{ 0, NULL },
};
int mtd_ioctl(struct tcb *tcp, long code, long arg)
{
struct mtd_info_user minfo;
struct erase_info_user einfo;
struct erase_info_user64 einfo64;
struct mtd_oob_buf mbuf;
struct mtd_oob_buf64 mbuf64;
struct region_info_user rinfo;
struct otp_info oinfo;
struct mtd_ecc_stats estat;
struct mtd_write_req mreq;
struct nand_oobinfo ninfo;
struct nand_ecclayout_user nlay;
int i, j;
if (entering(tcp))
return 0;
switch (code) {
case MEMGETINFO:
if (!verbose(tcp) || umove(tcp, arg, &minfo) < 0)
return 0;
tprints(", {type=");
printxval(mtd_type_options, minfo.type, "MTD_???");
tprints(", flags=");
printflags(mtd_flags_options, minfo.flags, "MTD_???");
tprintf(", size=%#" PRIx32 ", erasesize=%#" PRIx32,
minfo.size, minfo.erasesize);
tprintf(", writesize=%#" PRIx32 ", oobsize=%#" PRIx32,
minfo.writesize, minfo.oobsize);
tprintf(", padding=%#" PRIx64 "}",
(uint64_t) minfo.padding);
return 1;
case MEMERASE:
case MEMLOCK:
case MEMUNLOCK:
case MEMISLOCKED:
if (!verbose(tcp) || umove(tcp, arg, &einfo) < 0)
return 0;
tprintf(", {start=%#" PRIx32 ", length=%#" PRIx32 "}",
einfo.start, einfo.length);
return 1;
case MEMERASE64:
if (!verbose(tcp) || umove(tcp, arg, &einfo64) < 0)
return 0;
tprintf(", {start=%#" PRIx64 ", length=%#" PRIx64 "}",
(uint64_t) einfo64.start, (uint64_t) einfo64.length);
return 1;
case MEMWRITEOOB:
case MEMREADOOB:
if (!verbose(tcp) || umove(tcp, arg, &mbuf) < 0)
return 0;
tprintf(", {start=%#" PRIx32 ", length=%#" PRIx32 ", ptr=...}",
mbuf.start, mbuf.length);
return 1;
case MEMWRITEOOB64:
case MEMREADOOB64:
if (!verbose(tcp) || umove(tcp, arg, &mbuf64) < 0)
return 0;
tprintf(", {start=%#" PRIx64 ", length=%#" PRIx64 ", ptr=...}",
(uint64_t) mbuf64.start, (uint64_t) mbuf64.length);
return 1;
case MEMGETREGIONINFO:
if (!verbose(tcp) || umove(tcp, arg, &rinfo) < 0)
return 0;
tprintf(", {offset=%#" PRIx32 ", erasesize=%#" PRIx32,
rinfo.offset, rinfo.erasesize);
tprintf(", numblocks=%#" PRIx32 ", regionindex=%#" PRIx32 "}",
rinfo.numblocks, rinfo.regionindex);
return 1;
case MEMGETOOBSEL:
if (!verbose(tcp) || umove(tcp, arg, &ninfo) < 0)
return 0;
tprints(", {useecc=");
printxval(mtd_nandecc_options, ninfo.useecc, "MTD_NANDECC_???");
tprintf(", eccbytes=%#" PRIx32, ninfo.eccbytes);
tprints(", oobfree={");
for (i = 0; i < ARRAY_SIZE(ninfo.oobfree); ++i) {
if (i)
tprints("}, ");
tprints("{");
for (j = 0; j < ARRAY_SIZE(ninfo.oobfree[0]); ++j) {
if (j)
tprints(", ");
tprintf("%#" PRIx32, ninfo.oobfree[i][j]);
}
}
tprints("}}, eccpos={");
for (i = 0; i < ARRAY_SIZE(ninfo.eccpos); ++i) {
if (i)
tprints(", ");
tprintf("%#" PRIx32, ninfo.eccpos[i]);
}
tprints("}");
return 1;
case OTPGETREGIONINFO:
case OTPLOCK:
if (!verbose(tcp) || umove(tcp, arg, &oinfo) < 0)
return 0;
tprintf(", {start=%#" PRIx32 ", length=%#" PRIx32 ", locked=%" PRIu32 "}",
oinfo.start, oinfo.length, oinfo.locked);
return 1;
case ECCGETLAYOUT:
if (!verbose(tcp) || umove(tcp, arg, &nlay) < 0)
return 0;
tprintf(", {eccbytes=%#" PRIx32 ", eccpos={", nlay.eccbytes);
for (i = 0; i < ARRAY_SIZE(nlay.eccpos); ++i) {
if (i)
tprints(", ");
tprintf("%#" PRIx32, nlay.eccpos[i]);
}
tprintf("}, oobavail=%#" PRIx32 ", oobfree={", nlay.oobavail);
for (i = 0; i < ARRAY_SIZE(nlay.oobfree); ++i) {
if (i)
tprints(", ");
tprintf("{offset=%#" PRIx32 ", length=%#" PRIx32 "}",
nlay.oobfree[i].offset, nlay.oobfree[i].length);
}
tprints("}");
return 1;
case ECCGETSTATS:
if (!verbose(tcp) || umove(tcp, arg, &estat) < 0)
return 0;
tprintf(", {corrected=%#" PRIx32 ", failed=%#" PRIx32,
estat.corrected, estat.failed);
tprintf(", badblocks=%#" PRIx32 ", bbtblocks=%#" PRIx32 "}",
estat.badblocks, estat.bbtblocks);
return 1;
case MEMWRITE:
if (!verbose(tcp) || umove(tcp, arg, &mreq) < 0)
return 0;
tprintf(", {start=%#" PRIx64 ", len=%#" PRIx64,
(uint64_t) mreq.start, (uint64_t) mreq.len);
tprintf(", ooblen=%#" PRIx64 ", usr_data=%#" PRIx64,
(uint64_t) mreq.ooblen, (uint64_t) mreq.usr_data);
tprintf(", usr_oob=%#" PRIx64 ", mode=",
(uint64_t) mreq.usr_oob);
printxval(mtd_mode_options, mreq.mode, "MTD_OPS_???");
tprints(", padding=...}");
return 1;
case OTPSELECT:
if (!verbose(tcp) || umove(tcp, arg, &i) < 0)
return 0;
tprints(", [");
printxval(mtd_otp_options, i, "MTD_OTP_???");
tprints("]");
return 1;
case MEMGETBADBLOCK:
case MEMSETBADBLOCK:
if (!verbose(tcp))
return 0;
tprints(", ");
print_loff_t(tcp, arg);
return 1;
case OTPGETREGIONCOUNT:
if (!verbose(tcp) || umove(tcp, arg, &i) < 0)
return 0;
tprintf(", [%i]", i);
return 1;
case MTDFILEMODE:
/* XXX: process return value as enum mtd_file_modes */
case MEMGETREGIONCOUNT:
/* These ones take simple args, so let default printer handle it */
default:
return 0;
}
}