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/*
* Copyright (c) 2012 Mike Frysinger <vapier@gentoo.org>
* Copyright (c) 2012-2018 The strace developers.
*
* SPDX-License-Identifier: LGPL-2.1-or-later
*/
#include "defs.h"
#ifdef HAVE_STRUCT_MTD_WRITE_REQ
# include DEF_MPERS_TYPE(struct_mtd_oob_buf)
# include <linux/ioctl.h>
# include <mtd/mtd-abi.h>
typedef struct mtd_oob_buf struct_mtd_oob_buf;
#endif /* HAVE_STRUCT_MTD_WRITE_REQ */
#include MPERS_DEFS
#ifdef HAVE_STRUCT_MTD_WRITE_REQ
# include "xlat/mtd_mode_options.h"
# include "xlat/mtd_file_mode_options.h"
# include "xlat/mtd_type_options.h"
# include "xlat/mtd_flags_options.h"
# include "xlat/mtd_otp_options.h"
# include "xlat/mtd_nandecc_options.h"
static void
decode_erase_info_user(struct tcb *const tcp, const kernel_ulong_t addr)
{
struct erase_info_user einfo;
tprints(", ");
if (umove_or_printaddr(tcp, addr, &einfo))
return;
tprintf("{start=%#x, length=%#x}", einfo.start, einfo.length);
}
static void
decode_erase_info_user64(struct tcb *const tcp, const kernel_ulong_t addr)
{
struct erase_info_user64 einfo64;
tprints(", ");
if (umove_or_printaddr(tcp, addr, &einfo64))
return;
tprintf("{start=%#" PRIx64 ", length=%#" PRIx64 "}",
(uint64_t) einfo64.start, (uint64_t) einfo64.length);
}
static void
decode_mtd_oob_buf(struct tcb *const tcp, const kernel_ulong_t addr)
{
struct_mtd_oob_buf mbuf;
tprints(", ");
if (umove_or_printaddr(tcp, addr, &mbuf))
return;
tprintf("{start=%#x, length=%#x, ptr=", mbuf.start, mbuf.length);
printaddr(ptr_to_kulong(mbuf.ptr));
tprints("}");
}
static void
decode_mtd_oob_buf64(struct tcb *const tcp, const kernel_ulong_t addr)
{
struct mtd_oob_buf64 mbuf64;
tprints(", ");
if (umove_or_printaddr(tcp, addr, &mbuf64))
return;
tprintf("{start=%#" PRIx64 ", length=%#x, usr_ptr=%#" PRIx64 "}",
(uint64_t) mbuf64.start, mbuf64.length,
(uint64_t) mbuf64.usr_ptr);
}
static void
decode_otp_info(struct tcb *const tcp, const kernel_ulong_t addr)
{
struct otp_info oinfo;
tprints(", ");
if (umove_or_printaddr(tcp, addr, &oinfo))
return;
tprintf("{start=%#x, length=%#x, locked=%u}",
oinfo.start, oinfo.length, oinfo.locked);
}
static void
decode_otp_select(struct tcb *const tcp, const kernel_ulong_t addr)
{
unsigned int i;
tprints(", ");
if (umove_or_printaddr(tcp, addr, &i))
return;
tprints("[");
printxval(mtd_otp_options, i, "MTD_OTP_???");
tprints("]");
}
static void
decode_mtd_write_req(struct tcb *const tcp, const kernel_ulong_t addr)
{
struct mtd_write_req mreq;
tprints(", ");
if (umove_or_printaddr(tcp, addr, &mreq))
return;
tprintf("{start=%#" PRIx64 ", len=%#" PRIx64
", ooblen=%#" PRIx64 ", usr_data=%#" PRIx64
", usr_oob=%#" PRIx64 ", mode=",
(uint64_t) mreq.start, (uint64_t) mreq.len,
(uint64_t) mreq.ooblen, (uint64_t) mreq.usr_data,
(uint64_t) mreq.usr_oob);
printxval(mtd_mode_options, mreq.mode, "MTD_OPS_???");
tprints("}");
}
static void
decode_mtd_info_user(struct tcb *const tcp, const kernel_ulong_t addr)
{
struct mtd_info_user minfo;
tprints(", ");
if (umove_or_printaddr(tcp, addr, &minfo))
return;
tprints("{type=");
printxval(mtd_type_options, minfo.type, "MTD_???");
tprints(", flags=");
printflags(mtd_flags_options, minfo.flags, "MTD_???");
tprintf(", size=%#x, erasesize=%#x, writesize=%#x, oobsize=%#x"
", padding=%#" PRIx64 "}",
minfo.size, minfo.erasesize, minfo.writesize, minfo.oobsize,
(uint64_t) minfo.padding);
}
static void
decode_nand_oobinfo(struct tcb *const tcp, const kernel_ulong_t addr)
{
struct nand_oobinfo ninfo;
unsigned int i, j;
tprints(", ");
if (umove_or_printaddr(tcp, addr, &ninfo))
return;
tprints("{useecc=");
printxval(mtd_nandecc_options, ninfo.useecc, "MTD_NANDECC_???");
tprintf(", eccbytes=%#x", 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("%#x", ninfo.oobfree[i][j]);
}
}
tprints("}}, eccpos={");
for (i = 0; i < ARRAY_SIZE(ninfo.eccpos); ++i) {
if (i)
tprints(", ");
tprintf("%#x", ninfo.eccpos[i]);
}
tprints("}");
}
static void
decode_nand_ecclayout_user(struct tcb *const tcp, const kernel_ulong_t addr)
{
struct nand_ecclayout_user nlay;
unsigned int i;
tprints(", ");
if (umove_or_printaddr(tcp, addr, &nlay))
return;
tprintf("{eccbytes=%#x, eccpos={", nlay.eccbytes);
for (i = 0; i < ARRAY_SIZE(nlay.eccpos); ++i) {
if (i)
tprints(", ");
tprintf("%#x", nlay.eccpos[i]);
}
tprintf("}, oobavail=%#x, oobfree={", nlay.oobavail);
for (i = 0; i < ARRAY_SIZE(nlay.oobfree); ++i) {
if (i)
tprints(", ");
tprintf("{offset=%#x, length=%#x}",
nlay.oobfree[i].offset, nlay.oobfree[i].length);
}
tprints("}");
}
static void
decode_mtd_ecc_stats(struct tcb *const tcp, const kernel_ulong_t addr)
{
struct mtd_ecc_stats es;
tprints(", ");
if (umove_or_printaddr(tcp, addr, &es))
return;
tprintf("{corrected=%#x, failed=%#x, badblocks=%#x, bbtblocks=%#x}",
es.corrected, es.failed, es.badblocks, es.bbtblocks);
}
MPERS_PRINTER_DECL(int, mtd_ioctl, struct tcb *const tcp,
const unsigned int code, const kernel_ulong_t arg)
{
switch (code) {
case MEMERASE:
case MEMLOCK:
case MEMUNLOCK:
case MEMISLOCKED:
decode_erase_info_user(tcp, arg);
break;
case MEMERASE64:
decode_erase_info_user64(tcp, arg);
break;
case MEMWRITEOOB:
case MEMREADOOB:
decode_mtd_oob_buf(tcp, arg);
break;
case MEMWRITEOOB64:
case MEMREADOOB64:
decode_mtd_oob_buf64(tcp, arg);
break;
case MEMWRITE:
decode_mtd_write_req(tcp, arg);
break;
case OTPGETREGIONINFO:
if (entering(tcp))
return 0;
ATTRIBUTE_FALLTHROUGH;
case OTPLOCK:
decode_otp_info(tcp, arg);
break;
case OTPSELECT:
decode_otp_select(tcp, arg);
break;
case MTDFILEMODE:
tprints(", ");
printxval64(mtd_file_mode_options, arg, "MTD_FILE_MODE_???");
break;
case MEMGETBADBLOCK:
case MEMSETBADBLOCK:
tprints(", ");
printnum_int64(tcp, arg, "%" PRIu64);
break;
case MEMGETINFO:
if (entering(tcp))
return 0;
decode_mtd_info_user(tcp, arg);
break;
case MEMGETOOBSEL:
if (entering(tcp))
return 0;
decode_nand_oobinfo(tcp, arg);
break;
case ECCGETLAYOUT:
if (entering(tcp))
return 0;
decode_nand_ecclayout_user(tcp, arg);
break;
case ECCGETSTATS:
if (entering(tcp))
return 0;
decode_mtd_ecc_stats(tcp, arg);
break;
case OTPGETREGIONCOUNT:
if (entering(tcp))
return 0;
tprints(", ");
printnum_int(tcp, arg, "%u");
break;
case MEMGETREGIONCOUNT:
if (entering(tcp))
return 0;
tprints(", ");
printnum_int(tcp, arg, "%d");
break;
case MEMGETREGIONINFO:
if (entering(tcp)) {
struct region_info_user rinfo;
tprints(", ");
if (umove_or_printaddr(tcp, arg, &rinfo))
break;
tprintf("{regionindex=%#x", rinfo.regionindex);
return 0;
} else {
struct region_info_user rinfo;
if (!syserror(tcp) && !umove(tcp, arg, &rinfo))
tprintf(", offset=%#x"
", erasesize=%#x"
", numblocks=%#x}",
rinfo.offset,
rinfo.erasesize,
rinfo.numblocks);
tprints("}");
break;
}
default:
return RVAL_DECODED;
}
return RVAL_IOCTL_DECODED;
}
#endif /* HAVE_STRUCT_MTD_WRITE_REQ */
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