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      1 /*
      2  * This file is part of ioctl_block strace test.
      3  *
      4  * Copyright (c) 2016 Dmitry V. Levin <ldv (at) altlinux.org>
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. The name of the author may not be used to endorse or promote products
     16  *    derived from this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     23  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     24  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     25  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     27  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     28  */
     29 
     30 #include "tests.h"
     31 #include <errno.h>
     32 #include <inttypes.h>
     33 #include <stdio.h>
     34 #include <string.h>
     35 #include <sys/ioctl.h>
     36 #include <linux/fs.h>
     37 #include <linux/blkpg.h>
     38 #ifdef HAVE_STRUCT_BLK_USER_TRACE_SETUP
     39 # include <linux/blktrace_api.h>
     40 #endif
     41 #include "xlat.h"
     42 
     43 static const unsigned int magic = 0xdeadbeef;
     44 static const unsigned long lmagic = (unsigned long) 0xdeadbeefbadc0dedULL;
     45 
     46 static struct xlat block_argless[] = {
     47 	XLAT(BLKRRPART),
     48 	XLAT(BLKFLSBUF),
     49 #ifdef BLKTRACESTART
     50 	XLAT(BLKTRACESTART),
     51 #endif
     52 #ifdef BLKTRACESTOP
     53 	XLAT(BLKTRACESTOP),
     54 #endif
     55 #ifdef BLKTRACETEARDOWN
     56 	XLAT(BLKTRACETEARDOWN),
     57 #endif
     58 };
     59 
     60 #define TEST_NULL_ARG(cmd) \
     61 	ioctl(-1, cmd, 0); \
     62 	printf("ioctl(-1, %s, NULL) = -1 EBADF (%m)\n", #cmd)
     63 
     64 int
     65 main(void)
     66 {
     67 	TEST_NULL_ARG(BLKBSZGET);
     68 	TEST_NULL_ARG(BLKBSZSET);
     69 	TEST_NULL_ARG(BLKFRAGET);
     70 	TEST_NULL_ARG(BLKGETSIZE);
     71 	TEST_NULL_ARG(BLKGETSIZE64);
     72 	TEST_NULL_ARG(BLKPG);
     73 	TEST_NULL_ARG(BLKRAGET);
     74 	TEST_NULL_ARG(BLKROGET);
     75 	TEST_NULL_ARG(BLKROSET);
     76 	TEST_NULL_ARG(BLKSECTGET);
     77 	TEST_NULL_ARG(BLKSECTGET);
     78 	TEST_NULL_ARG(BLKSSZGET);
     79 #ifdef BLKALIGNOFF
     80 	TEST_NULL_ARG(BLKALIGNOFF);
     81 #endif
     82 #ifdef BLKDISCARD
     83 	TEST_NULL_ARG(BLKDISCARD);
     84 #endif
     85 #ifdef BLKDISCARDZEROES
     86 	TEST_NULL_ARG(BLKDISCARDZEROES);
     87 #endif
     88 #ifdef BLKIOMIN
     89 	TEST_NULL_ARG(BLKIOMIN);
     90 #endif
     91 #ifdef BLKIOOPT
     92 	TEST_NULL_ARG(BLKIOOPT);
     93 #endif
     94 #ifdef BLKPBSZGET
     95 	TEST_NULL_ARG(BLKPBSZGET);
     96 #endif
     97 #ifdef BLKROTATIONAL
     98 	TEST_NULL_ARG(BLKROTATIONAL);
     99 #endif
    100 #ifdef BLKSECDISCARD
    101 	TEST_NULL_ARG(BLKSECDISCARD);
    102 #endif
    103 #ifdef BLKZEROOUT
    104 	TEST_NULL_ARG(BLKZEROOUT);
    105 #endif
    106 #if defined BLKTRACESETUP && defined HAVE_STRUCT_BLK_USER_TRACE_SETUP
    107 	TEST_NULL_ARG(BLKTRACESETUP);
    108 #endif
    109 
    110 	ioctl(-1, BLKRASET, lmagic);
    111 	printf("ioctl(-1, BLKRASET, %lu) = -1 EBADF (%m)\n", lmagic);
    112 
    113 	ioctl(-1, BLKFRASET, lmagic);
    114 	printf("ioctl(-1, BLKFRASET, %lu) = -1 EBADF (%m)\n", lmagic);
    115 
    116 	int *const val_int = tail_alloc(sizeof(*val_int));
    117 	*val_int = magic;
    118 
    119 	ioctl(-1, BLKROSET, val_int);
    120 	printf("ioctl(-1, BLKROSET, [%d]) = -1 EBADF (%m)\n", *val_int);
    121 
    122 	ioctl(-1, BLKBSZSET, val_int);
    123 	printf("ioctl(-1, BLKBSZSET, [%d]) = -1 EBADF (%m)\n", *val_int);
    124 
    125 	uint64_t *pair_int64 = tail_alloc(sizeof(*pair_int64) * 2);
    126 	pair_int64[0] = 0xdeadbeefbadc0dedULL;
    127 	pair_int64[1] = 0xfacefeedcafef00dULL;
    128 
    129 #ifdef BLKDISCARD
    130 	ioctl(-1, BLKDISCARD, pair_int64);
    131 	printf("ioctl(-1, BLKDISCARD, [%" PRIu64 ", %" PRIu64 "])"
    132 	       " = -1 EBADF (%m)\n", pair_int64[0], pair_int64[1]);
    133 #endif
    134 
    135 #ifdef BLKSECDISCARD
    136 	ioctl(-1, BLKSECDISCARD, pair_int64);
    137 	printf("ioctl(-1, BLKSECDISCARD, [%" PRIu64 ", %" PRIu64 "])"
    138 	       " = -1 EBADF (%m)\n", pair_int64[0], pair_int64[1]);
    139 #endif
    140 
    141 #ifdef BLKZEROOUT
    142 	ioctl(-1, BLKZEROOUT, pair_int64);
    143 	printf("ioctl(-1, BLKZEROOUT, [%" PRIu64 ", %" PRIu64 "])"
    144 	       " = -1 EBADF (%m)\n", pair_int64[0], pair_int64[1]);
    145 #endif
    146 
    147 	struct blkpg_ioctl_arg *const blkpg = tail_alloc(sizeof(*blkpg));
    148 	blkpg->op = 3;
    149 	blkpg->flags = 0xdeadbeef;
    150 	blkpg->datalen = 0xbadc0ded;
    151 	blkpg->data = (void *) (unsigned long) 0xcafef00dfffffeedULL;
    152 
    153 	ioctl(-1, BLKPG, blkpg);
    154 	printf("ioctl(-1, BLKPG, {%s, flags=%d, datalen=%d"
    155 	       ", data=%#lx}) = -1 EBADF (%m)\n",
    156 	       "BLKPG_RESIZE_PARTITION", blkpg->flags, blkpg->datalen,
    157 	       (unsigned long) blkpg->data);
    158 
    159 	struct blkpg_partition *const bp = tail_alloc(sizeof(*bp));
    160 	bp->start = 0xfac1fed2dad3bef4ULL;
    161 	bp->length = 0xfac5fed6dad7bef8ULL;
    162 	bp->pno = magic;
    163 	memset(bp->devname, 'A', sizeof(bp->devname));
    164 	memset(bp->volname, 'B', sizeof(bp->volname));
    165 	blkpg->op = 1;
    166 	blkpg->data = bp;
    167 
    168 	ioctl(-1, BLKPG, blkpg);
    169 	printf("ioctl(-1, BLKPG, {%s, flags=%d, datalen=%d"
    170 	       ", data={start=%lld, length=%lld, pno=%d"
    171 	       ", devname=\"%.*s\", volname=\"%.*s\"}})"
    172 	       " = -1 EBADF (%m)\n",
    173 	       "BLKPG_ADD_PARTITION",
    174 	       blkpg->flags, blkpg->datalen,
    175 	       bp->start, bp->length, bp->pno,
    176 	       (int) sizeof(bp->devname) - 1, bp->devname,
    177 	       (int) sizeof(bp->volname) - 1, bp->volname);
    178 
    179 #if defined BLKTRACESETUP && defined HAVE_STRUCT_BLK_USER_TRACE_SETUP
    180 	struct blk_user_trace_setup *const buts = tail_alloc(sizeof(*buts));
    181 	fill_memory(buts, sizeof(*buts));
    182 
    183 	ioctl(-1, BLKTRACESETUP, buts);
    184 	printf("ioctl(-1, BLKTRACESETUP, {act_mask=%hu, buf_size=%u, buf_nr=%u"
    185 	       ", start_lba=%" PRI__u64 ", end_lba=%" PRI__u64 ", pid=%u})"
    186 	       " = -1 EBADF (%m)\n",
    187 	       buts->act_mask, buts->buf_size, buts->buf_nr,
    188 	       buts->start_lba, buts->end_lba, buts->pid);
    189 #endif
    190 
    191 	unsigned int i;
    192 	for (i = 0; i < ARRAY_SIZE(block_argless); ++i) {
    193 		ioctl(-1, (unsigned long) block_argless[i].val, lmagic);
    194 		printf("ioctl(-1, %s) = -1 EBADF (%m)\n", block_argless[i].str);
    195 	}
    196 
    197 	ioctl(-1, _IOC(_IOC_READ, 0x12, 0xfe, 0xff), lmagic);
    198 	printf("ioctl(-1, %s, %#lx) = -1 EBADF (%m)\n",
    199 	       "_IOC(_IOC_READ, 0x12, 0xfe, 0xff)", lmagic);
    200 
    201 	puts("+++ exited with 0 +++");
    202 	return 0;
    203 }
    204