2 * Copyright (c) 2016 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/ioctl.h>
32 #ifdef HAVE_LINUX_FIEMAP_H
33 # include <linux/fiemap.h>
34 # include "xlat/fiemap_flags.h"
35 # include "xlat/fiemap_extent_flags.h"
39 # define FICLONE _IOW(0x94, 9, int)
43 # define FICLONERANGE _IOW(0x94, 13, struct file_clone_range)
44 struct file_clone_range {
53 # define FIDEDUPERANGE _IOWR(0x94, 54, struct file_dedupe_range)
54 struct file_dedupe_range_info {
55 int64_t dest_fd; /* in - destination file */
56 uint64_t dest_offset; /* in - start of extent in destination */
57 uint64_t bytes_deduped; /* out - total # of bytes we were able
58 * to dedupe from this file. */
59 /* status of this dedupe operation:
61 * == FILE_DEDUPE_RANGE_SAME if dedupe succeeds
62 * == FILE_DEDUPE_RANGE_DIFFERS if data differs
64 int32_t status; /* out - see above description */
65 uint32_t reserved; /* must be zero */
68 struct file_dedupe_range {
69 uint64_t src_offset; /* in - start of extent in source */
70 uint64_t src_length; /* in - length of extent */
71 uint16_t dest_count; /* in - total elements in info array */
72 uint16_t reserved1; /* must be zero */
73 uint32_t reserved2; /* must be zero */
74 struct file_dedupe_range_info info[0];
79 print_file_dedupe_range_info(struct tcb *tcp, void *elem_buf,
80 size_t elem_size, void *data)
82 const struct file_dedupe_range_info *info = elem_buf;
86 printfd(tcp, info->dest_fd);
87 tprintf(", dest_offset=%" PRIu64 "}",
88 (uint64_t) info->dest_offset);
90 tprintf("{bytes_deduped=%" PRIu64 ", status=%d}",
91 (uint64_t) info->bytes_deduped, info->status);
97 #ifdef HAVE_LINUX_FIEMAP_H
99 print_fiemap_extent(struct tcb *tcp, void *elem_buf, size_t elem_size, void *data)
101 const struct fiemap_extent *fe = elem_buf;
103 tprintf("{fe_logical=%" PRI__u64
104 ", fe_physical=%" PRI__u64
105 ", fe_length=%" PRI__u64 ", ",
106 fe->fe_logical, fe->fe_physical, fe->fe_length);
108 printflags64(fiemap_extent_flags, fe->fe_flags,
109 "FIEMAP_EXTENT_???");
114 #endif /* HAVE_LINUX_FIEMAP_H */
117 file_ioctl(struct tcb *tcp, const unsigned int code, const long arg)
120 case FICLONE: /* W */
121 tprintf(", %d", (int) arg);
124 case FICLONERANGE: { /* W */
125 struct file_clone_range args;
128 if (umove_or_printaddr(tcp, arg, &args))
132 printfd(tcp, args.src_fd);
133 tprintf(", src_offset=%" PRIu64
134 ", src_length=%" PRIu64
135 ", dest_offset=%" PRIu64 "}",
136 (uint64_t) args.src_offset,
137 (uint64_t) args.src_length,
138 (uint64_t) args.dest_offset);
142 case FIDEDUPERANGE: { /* RW */
143 struct file_dedupe_range args;
147 else if (syserror(tcp))
152 if (umove_or_printaddr(tcp, arg, &args))
157 tprintf("src_offset=%" PRIu64
158 ", src_length=%" PRIu64
159 ", dest_count=%hu, ",
160 (uint64_t) args.src_offset,
161 (uint64_t) args.src_length,
162 (uint16_t) args.dest_count);
170 struct file_dedupe_range_info info;
171 rc = print_array(tcp,
172 arg + offsetof(typeof(args), info),
176 print_file_dedupe_range_info, 0);
180 if (!rc || exiting(tcp))
186 #ifdef HAVE_LINUX_FIEMAP_H
187 case FS_IOC_FIEMAP: {
192 else if (syserror(tcp))
197 if (umove_or_printaddr(tcp, arg, &args))
201 tprintf("{fm_start=%" PRI__u64 ", "
202 "fm_length=%" PRI__u64 ", "
204 args.fm_start, args.fm_length);
205 printflags64(fiemap_flags, args.fm_flags,
207 tprintf(", fm_extent_count=%u}", args.fm_extent_count);
211 tprints("{fm_flags=");
212 printflags64(fiemap_flags, args.fm_flags,
214 tprintf(", fm_mapped_extents=%u",
215 args.fm_mapped_extents);
216 tprints(", fm_extents=");
220 struct fiemap_extent fe;
222 arg + offsetof(typeof(args), fm_extents),
223 args.fm_mapped_extents, &fe, sizeof(fe),
225 print_fiemap_extent, 0);
231 #endif /* HAVE_LINUX_FIEMAP_H */
237 return RVAL_DECODED | 1;