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 #include "xlat/blkpg_ops.h"
85 print_blkpg_req(struct tcb *tcp, struct blkpg_ioctl_arg *blkpg)
87 struct blkpg_partition p;
90 printxval(blkpg_ops, blkpg->op, "BLKPG_???");
92 tprintf(", flags=%d, datalen=%d, ",
93 blkpg->flags, blkpg->datalen);
95 if (umove(tcp, (long) blkpg->data, &p) < 0)
96 tprintf("%#lx}", (long) blkpg->data);
98 tprintf("{start=%lld, length=%lld, pno=%d, "
99 "devname=\"%.*s\", volname=\"%.*s\"}}",
100 p.start, p.length, p.pno,
101 (int) sizeof(p.devname), p.devname,
102 (int) sizeof(p.volname), p.volname);
106 block_ioctl(struct tcb *tcp, const unsigned int code, long arg)
109 /* take arg as a value, not as a pointer */
113 tprintf(", %ld", arg);
116 /* take a signed int */
120 /* First seen in linux-2.6.29 */
126 if (umove(tcp, arg, &val) < 0)
127 tprintf(", %#lx", arg);
129 tprintf(", %d", val);
133 /* returns an unsigned short */
137 if (syserror(tcp) || umove(tcp, arg, &val) < 0)
138 tprintf(", %#lx", arg);
140 tprintf(", %u", (unsigned)val);
144 /* return a signed int */
151 if (syserror(tcp) || umove(tcp, arg, &val) < 0)
152 tprintf(", %#lx", arg);
154 tprintf(", %d", val);
158 /* return an unsigned int */
162 case BLKDISCARDZEROES:
165 if (syserror(tcp) || umove(tcp, arg, &val) < 0)
166 tprintf(", %#lx", arg);
168 tprintf(", %u", val);
172 /* return a signed long */
177 if (syserror(tcp) || umove(tcp, arg, &val) < 0)
178 tprintf(", %#lx", arg);
180 tprintf(", %ld", val);
184 /* returns an unsigned long */
188 if (syserror(tcp) || umove(tcp, arg, &val) < 0)
189 tprintf(", %#lx", arg);
191 tprintf(", %lu", val);
195 #ifdef HAVE_BLKGETSIZE64
196 /* return an uint64_t */
200 if (syserror(tcp) || umove(tcp, arg, &val) < 0)
201 tprintf(", %#lx", arg);
203 tprintf(", %" PRIu64, val);
208 /* More complex types */
213 if (umove(tcp, arg, range) < 0)
214 tprintf(", %#lx", arg);
216 tprintf(", {%" PRIx64 ", %" PRIx64 "}",
223 struct hd_geometry geo;
224 if (syserror(tcp) || umove(tcp, arg, &geo) < 0)
225 tprintf(", %#lx", arg);
227 tprintf(", {heads=%u, sectors=%u, "
228 "cylinders=%u, start=%lu}",
230 (unsigned)geo.sectors,
231 (unsigned)geo.cylinders,
238 struct blkpg_ioctl_arg blkpg;
239 if (umove(tcp, arg, &blkpg) < 0)
240 tprintf(", %#lx", arg);
243 print_blkpg_req(tcp, &blkpg);
250 struct blk_user_trace_setup buts;
251 if (umove(tcp, arg, &buts) < 0)
252 tprintf(", %#lx", arg);
254 tprintf(", {act_mask=%u, buf_size=%u, "
255 "buf_nr=%u, start_lba=%" PRIu64 ", "
256 "end_lba=%" PRIu64 ", pid=%u}",
257 (unsigned)buts.act_mask, buts.buf_size,
258 buts.buf_nr, buts.start_lba,
259 buts.end_lba, buts.pid);
262 struct blk_user_trace_setup buts;
263 if (syserror(tcp) || umove(tcp, arg, &buts) < 0)
264 tprintf(", %#lx", arg);
266 tprintf(", {name=\"%.*s\"}",
267 (int) sizeof(buts.name), buts.name);
272 /* First seen in linux-2.6.37 */
275 struct fstrim_range fstrim;
276 if (umove(tcp, arg, &fstrim))
277 tprintf(", %#lx", arg);
279 tprintf(", {start=%#" PRIx64 ", len=%#" PRIx64 ", "
280 "minlen=%#" PRIx64 "}", (uint64_t) fstrim.start,
281 (uint64_t) fstrim.len, (uint64_t) fstrim.minlen);
286 /* No arguments or unhandled */
289 case BLKTRACETEARDOWN:
290 case BLKFLSBUF: /* Requires driver knowlege */
291 case BLKRRPART: /* No args */
294 tprintf(", %#lx", arg);