366 lines
8.4 KiB
C
366 lines
8.4 KiB
C
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/*
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* Copyright (c) 2012 Mike Frysinger <vapier@gentoo.org>
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* Copyright (c) 2012-2018 The strace developers.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "defs.h"
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#ifdef HAVE_STRUCT_MTD_WRITE_REQ
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# include DEF_MPERS_TYPE(struct_mtd_oob_buf)
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# include <linux/ioctl.h>
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# include <mtd/mtd-abi.h>
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typedef struct mtd_oob_buf struct_mtd_oob_buf;
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#endif /* HAVE_STRUCT_MTD_WRITE_REQ */
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#include MPERS_DEFS
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#ifdef HAVE_STRUCT_MTD_WRITE_REQ
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# include "xlat/mtd_mode_options.h"
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# include "xlat/mtd_file_mode_options.h"
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# include "xlat/mtd_type_options.h"
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# include "xlat/mtd_flags_options.h"
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# include "xlat/mtd_otp_options.h"
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# include "xlat/mtd_nandecc_options.h"
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static void
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decode_erase_info_user(struct tcb *const tcp, const kernel_ulong_t addr)
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{
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struct erase_info_user einfo;
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tprints(", ");
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if (umove_or_printaddr(tcp, addr, &einfo))
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return;
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tprintf("{start=%#x, length=%#x}", einfo.start, einfo.length);
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}
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static void
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decode_erase_info_user64(struct tcb *const tcp, const kernel_ulong_t addr)
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{
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struct erase_info_user64 einfo64;
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tprints(", ");
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if (umove_or_printaddr(tcp, addr, &einfo64))
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return;
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tprintf("{start=%#" PRIx64 ", length=%#" PRIx64 "}",
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(uint64_t) einfo64.start, (uint64_t) einfo64.length);
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}
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static void
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decode_mtd_oob_buf(struct tcb *const tcp, const kernel_ulong_t addr)
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{
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struct_mtd_oob_buf mbuf;
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tprints(", ");
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if (umove_or_printaddr(tcp, addr, &mbuf))
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return;
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tprintf("{start=%#x, length=%#x, ptr=", mbuf.start, mbuf.length);
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printaddr(ptr_to_kulong(mbuf.ptr));
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tprints("}");
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}
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static void
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decode_mtd_oob_buf64(struct tcb *const tcp, const kernel_ulong_t addr)
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{
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struct mtd_oob_buf64 mbuf64;
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tprints(", ");
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if (umove_or_printaddr(tcp, addr, &mbuf64))
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return;
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tprintf("{start=%#" PRIx64 ", length=%#x, usr_ptr=%#" PRIx64 "}",
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(uint64_t) mbuf64.start, mbuf64.length,
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(uint64_t) mbuf64.usr_ptr);
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}
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static void
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decode_otp_info(struct tcb *const tcp, const kernel_ulong_t addr)
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{
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struct otp_info oinfo;
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tprints(", ");
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if (umove_or_printaddr(tcp, addr, &oinfo))
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return;
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tprintf("{start=%#x, length=%#x, locked=%u}",
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oinfo.start, oinfo.length, oinfo.locked);
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}
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static void
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decode_otp_select(struct tcb *const tcp, const kernel_ulong_t addr)
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{
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unsigned int i;
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tprints(", ");
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if (umove_or_printaddr(tcp, addr, &i))
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return;
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tprints("[");
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printxval(mtd_otp_options, i, "MTD_OTP_???");
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tprints("]");
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}
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static void
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decode_mtd_write_req(struct tcb *const tcp, const kernel_ulong_t addr)
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{
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struct mtd_write_req mreq;
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tprints(", ");
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if (umove_or_printaddr(tcp, addr, &mreq))
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return;
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tprintf("{start=%#" PRIx64 ", len=%#" PRIx64
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", ooblen=%#" PRIx64 ", usr_data=%#" PRIx64
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", usr_oob=%#" PRIx64 ", mode=",
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(uint64_t) mreq.start, (uint64_t) mreq.len,
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(uint64_t) mreq.ooblen, (uint64_t) mreq.usr_data,
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(uint64_t) mreq.usr_oob);
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printxval(mtd_mode_options, mreq.mode, "MTD_OPS_???");
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tprints("}");
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}
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static void
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decode_mtd_info_user(struct tcb *const tcp, const kernel_ulong_t addr)
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{
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struct mtd_info_user minfo;
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tprints(", ");
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if (umove_or_printaddr(tcp, addr, &minfo))
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return;
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tprints("{type=");
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printxval(mtd_type_options, minfo.type, "MTD_???");
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tprints(", flags=");
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printflags(mtd_flags_options, minfo.flags, "MTD_???");
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tprintf(", size=%#x, erasesize=%#x, writesize=%#x, oobsize=%#x"
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", padding=%#" PRIx64 "}",
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minfo.size, minfo.erasesize, minfo.writesize, minfo.oobsize,
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(uint64_t) minfo.padding);
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}
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static void
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decode_nand_oobinfo(struct tcb *const tcp, const kernel_ulong_t addr)
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{
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struct nand_oobinfo ninfo;
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unsigned int i, j;
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tprints(", ");
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if (umove_or_printaddr(tcp, addr, &ninfo))
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return;
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tprints("{useecc=");
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printxval(mtd_nandecc_options, ninfo.useecc, "MTD_NANDECC_???");
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tprintf(", eccbytes=%#x", ninfo.eccbytes);
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tprints(", oobfree={");
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for (i = 0; i < ARRAY_SIZE(ninfo.oobfree); ++i) {
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if (i)
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tprints("}, ");
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tprints("{");
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for (j = 0; j < ARRAY_SIZE(ninfo.oobfree[0]); ++j) {
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if (j)
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tprints(", ");
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tprintf("%#x", ninfo.oobfree[i][j]);
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}
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}
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tprints("}}, eccpos={");
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for (i = 0; i < ARRAY_SIZE(ninfo.eccpos); ++i) {
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if (i)
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tprints(", ");
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tprintf("%#x", ninfo.eccpos[i]);
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}
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tprints("}");
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}
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static void
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decode_nand_ecclayout_user(struct tcb *const tcp, const kernel_ulong_t addr)
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{
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struct nand_ecclayout_user nlay;
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unsigned int i;
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tprints(", ");
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if (umove_or_printaddr(tcp, addr, &nlay))
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return;
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tprintf("{eccbytes=%#x, eccpos={", nlay.eccbytes);
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for (i = 0; i < ARRAY_SIZE(nlay.eccpos); ++i) {
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if (i)
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tprints(", ");
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tprintf("%#x", nlay.eccpos[i]);
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}
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tprintf("}, oobavail=%#x, oobfree={", nlay.oobavail);
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for (i = 0; i < ARRAY_SIZE(nlay.oobfree); ++i) {
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if (i)
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tprints(", ");
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tprintf("{offset=%#x, length=%#x}",
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nlay.oobfree[i].offset, nlay.oobfree[i].length);
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}
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tprints("}");
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}
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static void
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decode_mtd_ecc_stats(struct tcb *const tcp, const kernel_ulong_t addr)
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{
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struct mtd_ecc_stats es;
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tprints(", ");
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if (umove_or_printaddr(tcp, addr, &es))
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return;
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tprintf("{corrected=%#x, failed=%#x, badblocks=%#x, bbtblocks=%#x}",
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es.corrected, es.failed, es.badblocks, es.bbtblocks);
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}
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MPERS_PRINTER_DECL(int, mtd_ioctl, struct tcb *const tcp,
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const unsigned int code, const kernel_ulong_t arg)
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{
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switch (code) {
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case MEMERASE:
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case MEMLOCK:
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case MEMUNLOCK:
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case MEMISLOCKED:
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decode_erase_info_user(tcp, arg);
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break;
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case MEMERASE64:
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decode_erase_info_user64(tcp, arg);
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break;
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case MEMWRITEOOB:
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case MEMREADOOB:
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decode_mtd_oob_buf(tcp, arg);
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break;
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case MEMWRITEOOB64:
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case MEMREADOOB64:
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decode_mtd_oob_buf64(tcp, arg);
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break;
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case MEMWRITE:
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decode_mtd_write_req(tcp, arg);
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break;
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case OTPGETREGIONINFO:
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if (entering(tcp))
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return 0;
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ATTRIBUTE_FALLTHROUGH;
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case OTPLOCK:
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decode_otp_info(tcp, arg);
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break;
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case OTPSELECT:
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decode_otp_select(tcp, arg);
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break;
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case MTDFILEMODE:
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tprints(", ");
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printxval64(mtd_file_mode_options, arg, "MTD_FILE_MODE_???");
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break;
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case MEMGETBADBLOCK:
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case MEMSETBADBLOCK:
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tprints(", ");
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printnum_int64(tcp, arg, "%" PRIu64);
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break;
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case MEMGETINFO:
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if (entering(tcp))
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return 0;
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decode_mtd_info_user(tcp, arg);
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break;
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case MEMGETOOBSEL:
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if (entering(tcp))
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return 0;
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decode_nand_oobinfo(tcp, arg);
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break;
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case ECCGETLAYOUT:
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if (entering(tcp))
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return 0;
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decode_nand_ecclayout_user(tcp, arg);
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break;
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case ECCGETSTATS:
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if (entering(tcp))
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return 0;
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decode_mtd_ecc_stats(tcp, arg);
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break;
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case OTPGETREGIONCOUNT:
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if (entering(tcp))
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return 0;
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tprints(", ");
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printnum_int(tcp, arg, "%u");
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break;
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case MEMGETREGIONCOUNT:
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if (entering(tcp))
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return 0;
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tprints(", ");
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printnum_int(tcp, arg, "%d");
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break;
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case MEMGETREGIONINFO:
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if (entering(tcp)) {
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struct region_info_user rinfo;
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tprints(", ");
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if (umove_or_printaddr(tcp, arg, &rinfo))
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break;
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tprintf("{regionindex=%#x", rinfo.regionindex);
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return 0;
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} else {
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struct region_info_user rinfo;
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if (!syserror(tcp) && !umove(tcp, arg, &rinfo))
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tprintf(", offset=%#x"
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", erasesize=%#x"
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", numblocks=%#x}",
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rinfo.offset,
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rinfo.erasesize,
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rinfo.numblocks);
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tprints("}");
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break;
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}
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default:
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return RVAL_DECODED;
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}
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return RVAL_IOCTL_DECODED;
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}
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#endif /* HAVE_STRUCT_MTD_WRITE_REQ */
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