2 * Copyright (c) 2009, 2010 Jeff Mahoney <jeffm@suse.com>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. The name of the author may not be used to endorse or promote products
14 * derived from this software without specific prior written permission.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 #include <linux/blkpg.h>
31 #include <linux/hdreg.h>
33 /* ioctls <= 114 are present in Linux 2.4. The following ones have been
34 * added since then and headers containing them may not be available on
37 #define BLKTRACE_BDEV_SIZE 32
38 struct blk_user_trace_setup {
39 char name[BLKTRACE_BDEV_SIZE]; /* output */
40 uint16_t act_mask; /* input */
41 uint32_t buf_size; /* input */
42 uint32_t buf_nr; /* input */
49 # define BLKTRACESETUP _IOWR(0x12,115,struct blk_user_trace_setup)
52 # define BLKTRACESTART _IO(0x12,116)
55 # define BLKTRACESTOP _IO(0x12,117)
57 #ifndef BLKTRACETEARDOWN
58 # define BLKTRACETEARDOWN _IO(0x12,118)
61 # define BLKDISCARD _IO(0x12,119)
64 # define BLKIOMIN _IO(0x12,120)
67 # define BLKIOOPT _IO(0x12,121)
70 # define BLKALIGNOFF _IO(0x12,122)
73 # define BLKPBSZGET _IO(0x12,123)
75 #ifndef BLKDISCARDZEROES
76 # define BLKDISCARDZEROES _IO(0x12,124)
79 # define BLKSECDISCARD _IO(0x12,125)
82 # define BLKROTATIONAL _IO(0x12,126)
85 # define BLKZEROOUT _IO(0x12,127)
88 #include "xlat/blkpg_ops.h"
91 print_blkpg_req(struct tcb *tcp, const struct blkpg_ioctl_arg *blkpg)
93 struct blkpg_partition p;
96 printxval(blkpg_ops, blkpg->op, "BLKPG_???");
98 tprintf(", flags=%d, datalen=%d, data=",
99 blkpg->flags, blkpg->datalen);
101 if (!umove_or_printaddr(tcp, (long) blkpg->data, &p)) {
102 tprintf("{start=%lld, length=%lld, pno=%d, devname=",
103 p.start, p.length, p.pno);
104 print_quoted_string(p.devname, sizeof(p.devname),
106 tprints(", volname=");
107 print_quoted_string(p.volname, sizeof(p.volname),
115 block_ioctl(struct tcb *tcp, const unsigned int code, const long arg)
118 /* take arg as a value, not as a pointer */
121 tprintf(", %lu", arg);
124 /* take a signed int */
128 printnum_int(tcp, arg, "%d");
131 /* return an unsigned short */
137 printnum_short(tcp, arg, "%hu");
140 /* return a signed int */
148 printnum_int(tcp, arg, "%d");
151 /* return an unsigned int */
155 case BLKDISCARDZEROES:
159 printnum_int(tcp, arg, "%u");
162 /* return a signed long */
168 printnum_long(tcp, arg, "%ld");
171 /* returns an unsigned long */
176 printnum_long(tcp, arg, "%lu");
179 #ifdef HAVE_BLKGETSIZE64
180 /* returns an uint64_t */
185 printnum_int64(tcp, arg, "%" PRIu64);
189 /* takes a pair of uint64_t */
194 printpair_int64(tcp, arg, "%" PRIx64);
197 /* More complex types */
202 struct hd_geometry geo;
205 if (!umove_or_printaddr(tcp, arg, &geo))
206 tprintf("{heads=%u, sectors=%u, "
207 "cylinders=%u, start=%lu}",
209 (unsigned)geo.sectors,
210 (unsigned)geo.cylinders,
216 struct blkpg_ioctl_arg blkpg;
219 if (!umove_or_printaddr(tcp, arg, &blkpg))
220 print_blkpg_req(tcp, &blkpg);
226 struct blk_user_trace_setup buts;
229 if (umove_or_printaddr(tcp, arg, &buts))
231 tprintf("{act_mask=%u, buf_size=%u, "
232 "buf_nr=%u, start_lba=%" PRIu64 ", "
233 "end_lba=%" PRIu64 ", pid=%u",
234 (unsigned)buts.act_mask, buts.buf_size,
235 buts.buf_nr, buts.start_lba,
236 buts.end_lba, buts.pid);
239 struct blk_user_trace_setup buts;
246 if (umove(tcp, arg, &buts) < 0) {
251 print_quoted_string(buts.name, sizeof(buts.name),
258 /* First seen in linux-2.6.37 */
260 struct fstrim_range fstrim;
263 if (!umove_or_printaddr(tcp, arg, &fstrim))
264 tprintf("{start=%#" PRIx64 ", "
266 "minlen=%#" PRIx64 "}",
267 (uint64_t) fstrim.start,
268 (uint64_t) fstrim.len,
269 (uint64_t) fstrim.minlen);
279 case BLKTRACETEARDOWN:
289 return RVAL_DECODED | 1;