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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;
tprint_struct_begin();
PRINT_FIELD_X(einfo, start);
tprint_struct_next();
PRINT_FIELD_X(einfo, length);
tprint_struct_end();
}
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;
tprint_struct_begin();
PRINT_FIELD_X(einfo64, start);
tprint_struct_next();
PRINT_FIELD_X(einfo64, length);
tprint_struct_end();
}
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;
tprint_struct_begin();
PRINT_FIELD_X(mbuf, start);
tprint_struct_next();
PRINT_FIELD_X(mbuf, length);
tprint_struct_next();
PRINT_FIELD_PTR(mbuf, ptr);
tprint_struct_end();
}
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;
tprint_struct_begin();
PRINT_FIELD_X(mbuf64, start);
tprint_struct_next();
PRINT_FIELD_X(mbuf64, length);
tprint_struct_next();
PRINT_FIELD_ADDR64(mbuf64, usr_ptr);
tprint_struct_end();
}
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;
tprint_struct_begin();
PRINT_FIELD_X(oinfo, start);
tprint_struct_next();
PRINT_FIELD_X(oinfo, length);
tprint_struct_next();
PRINT_FIELD_U(oinfo, locked);
tprint_struct_end();
}
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;
tprint_struct_begin();
PRINT_FIELD_X(mreq, start);
tprint_struct_next();
PRINT_FIELD_X(mreq, len);
tprint_struct_next();
PRINT_FIELD_X(mreq, ooblen);
tprint_struct_next();
PRINT_FIELD_ADDR64(mreq, usr_data);
tprint_struct_next();
PRINT_FIELD_ADDR64(mreq, usr_oob);
tprint_struct_next();
PRINT_FIELD_XVAL(mreq, mode, mtd_mode_options, "MTD_OPS_???");
tprint_struct_end();
}
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;
tprint_struct_begin();
PRINT_FIELD_XVAL(minfo, type, mtd_type_options, "MTD_???");
tprint_struct_next();
PRINT_FIELD_FLAGS(minfo, flags, mtd_flags_options, "MTD_???");
tprint_struct_next();
PRINT_FIELD_X(minfo, size);
tprint_struct_next();
PRINT_FIELD_X(minfo, erasesize);
tprint_struct_next();
PRINT_FIELD_X(minfo, writesize);
tprint_struct_next();
PRINT_FIELD_X(minfo, oobsize);
tprint_struct_next();
PRINT_FIELD_X(minfo, padding);
tprint_struct_end();
}
static bool
print_xint32x2_array_member(struct tcb *tcp, void *elem_buf, size_t elem_size,
void *data)
{
print_local_array_ex(tcp, elem_buf, 2, sizeof(int),
print_xint32_array_member, NULL, 0, NULL, NULL);
return true;
}
static void
decode_nand_oobinfo(struct tcb *const tcp, const kernel_ulong_t addr)
{
struct nand_oobinfo ninfo;
tprints(", ");
if (umove_or_printaddr(tcp, addr, &ninfo))
return;
tprint_struct_begin();
PRINT_FIELD_XVAL(ninfo, useecc, mtd_nandecc_options, "MTD_NANDECC_???");
tprint_struct_next();
PRINT_FIELD_X(ninfo, eccbytes);
tprint_struct_next();
PRINT_FIELD_ARRAY(ninfo, oobfree, tcp, print_xint32x2_array_member);
tprint_struct_next();
PRINT_FIELD_ARRAY(ninfo, eccpos, tcp, print_xint32_array_member);
tprint_struct_end();
}
static bool
print_nand_oobfree_array_member(struct tcb *tcp, void *elem_buf,
size_t elem_size, void *data)
{
const struct nand_oobfree *p = elem_buf;
tprint_struct_begin();
PRINT_FIELD_X(*p, offset);
tprint_struct_next();
PRINT_FIELD_X(*p, length);
tprint_struct_end();
return true;
}
static void
decode_nand_ecclayout_user(struct tcb *const tcp, const kernel_ulong_t addr)
{
struct nand_ecclayout_user nlay;
tprints(", ");
if (umove_or_printaddr(tcp, addr, &nlay))
return;
tprint_struct_begin();
PRINT_FIELD_X(nlay, eccbytes);
tprint_struct_next();
PRINT_FIELD_ARRAY(nlay, eccpos, tcp, print_xint32_array_member);
tprint_struct_next();
PRINT_FIELD_X(nlay, oobavail);
tprint_struct_next();
PRINT_FIELD_ARRAY(nlay, oobfree, tcp, print_nand_oobfree_array_member);
tprint_struct_end();
}
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;
tprint_struct_begin();
PRINT_FIELD_X(es, corrected);
tprint_struct_next();
PRINT_FIELD_X(es, failed);
tprint_struct_next();
PRINT_FIELD_X(es, badblocks);
tprint_struct_next();
PRINT_FIELD_X(es, bbtblocks);
tprint_struct_end();
}
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;
tprint_struct_begin();
PRINT_FIELD_X(rinfo, regionindex);
return 0;
} else {
struct region_info_user rinfo;
if (!syserror(tcp) && !umove(tcp, arg, &rinfo)) {
tprint_struct_next();
PRINT_FIELD_X(rinfo, offset);
tprint_struct_next();
PRINT_FIELD_X(rinfo, erasesize);
tprint_struct_next();
PRINT_FIELD_X(rinfo, numblocks);
}
tprint_struct_end();
break;
}
default:
return RVAL_DECODED;
}
return RVAL_IOCTL_DECODED;
}
#endif /* HAVE_STRUCT_MTD_WRITE_REQ */
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