Loading...
1/* SPDX-License-Identifier: GPL-2.0 */
2#include <linux/kernel.h>
3#include <linux/types.h>
4#include <linux/spinlock_types.h>
5#include <linux/slab.h>
6#include <linux/ioctl.h>
7
8/* khandle stuff ***********************************************************/
9
10/*
11 * The 2.9 core will put 64 bit handles in here like this:
12 * 1234 0000 0000 5678
13 * The 3.0 and beyond cores will put 128 bit handles in here like this:
14 * 1234 5678 90AB CDEF
15 * The kernel module will always use the first four bytes and
16 * the last four bytes as an inum.
17 */
18struct orangefs_khandle {
19 unsigned char u[16];
20} __aligned(8);
21
22/*
23 * kernel version of an object ref.
24 */
25struct orangefs_object_kref {
26 struct orangefs_khandle khandle;
27 __s32 fs_id;
28 __s32 __pad1;
29};
30
31/*
32 * compare 2 khandles assumes little endian thus from large address to
33 * small address
34 */
35static inline int ORANGEFS_khandle_cmp(const struct orangefs_khandle *kh1,
36 const struct orangefs_khandle *kh2)
37{
38 int i;
39
40 for (i = 15; i >= 0; i--) {
41 if (kh1->u[i] > kh2->u[i])
42 return 1;
43 if (kh1->u[i] < kh2->u[i])
44 return -1;
45 }
46
47 return 0;
48}
49
50static inline void ORANGEFS_khandle_to(const struct orangefs_khandle *kh,
51 void *p, int size)
52{
53
54 memcpy(p, kh->u, 16);
55 memset(p + 16, 0, size - 16);
56
57}
58
59static inline void ORANGEFS_khandle_from(struct orangefs_khandle *kh,
60 void *p, int size)
61{
62 memset(kh, 0, 16);
63 memcpy(kh->u, p, 16);
64
65}
66
67/* pvfs2-types.h ************************************************************/
68
69#define ORANGEFS_SUPER_MAGIC 0x20030528
70
71/*
72 * ORANGEFS error codes are a signed 32-bit integer. Error codes are negative, but
73 * the sign is stripped before decoding.
74 */
75
76/* Bit 31 is not used since it is the sign. */
77
78/*
79 * Bit 30 specifies that this is a ORANGEFS error. A ORANGEFS error is either an
80 * encoded errno value or a ORANGEFS protocol error.
81 */
82#define ORANGEFS_ERROR_BIT (1 << 30)
83
84/*
85 * Bit 29 specifies that this is a ORANGEFS protocol error and not an encoded
86 * errno value.
87 */
88#define ORANGEFS_NON_ERRNO_ERROR_BIT (1 << 29)
89
90/*
91 * Bits 9, 8, and 7 specify the error class, which encodes the section of
92 * server code the error originated in for logging purposes. It is not used
93 * in the kernel except to be masked out.
94 */
95#define ORANGEFS_ERROR_CLASS_BITS 0x380
96
97/* Bits 6 - 0 are reserved for the actual error code. */
98#define ORANGEFS_ERROR_NUMBER_BITS 0x7f
99
100/* Encoded errno values decoded by PINT_errno_mapping in orangefs-utils.c. */
101
102/* Our own ORANGEFS protocol error codes. */
103#define ORANGEFS_ECANCEL (1|ORANGEFS_NON_ERRNO_ERROR_BIT|ORANGEFS_ERROR_BIT)
104#define ORANGEFS_EDEVINIT (2|ORANGEFS_NON_ERRNO_ERROR_BIT|ORANGEFS_ERROR_BIT)
105#define ORANGEFS_EDETAIL (3|ORANGEFS_NON_ERRNO_ERROR_BIT|ORANGEFS_ERROR_BIT)
106#define ORANGEFS_EHOSTNTFD (4|ORANGEFS_NON_ERRNO_ERROR_BIT|ORANGEFS_ERROR_BIT)
107#define ORANGEFS_EADDRNTFD (5|ORANGEFS_NON_ERRNO_ERROR_BIT|ORANGEFS_ERROR_BIT)
108#define ORANGEFS_ENORECVR (6|ORANGEFS_NON_ERRNO_ERROR_BIT|ORANGEFS_ERROR_BIT)
109#define ORANGEFS_ETRYAGAIN (7|ORANGEFS_NON_ERRNO_ERROR_BIT|ORANGEFS_ERROR_BIT)
110#define ORANGEFS_ENOTPVFS (8|ORANGEFS_NON_ERRNO_ERROR_BIT|ORANGEFS_ERROR_BIT)
111#define ORANGEFS_ESECURITY (9|ORANGEFS_NON_ERRNO_ERROR_BIT|ORANGEFS_ERROR_BIT)
112
113/* permission bits */
114#define ORANGEFS_O_EXECUTE (1 << 0)
115#define ORANGEFS_O_WRITE (1 << 1)
116#define ORANGEFS_O_READ (1 << 2)
117#define ORANGEFS_G_EXECUTE (1 << 3)
118#define ORANGEFS_G_WRITE (1 << 4)
119#define ORANGEFS_G_READ (1 << 5)
120#define ORANGEFS_U_EXECUTE (1 << 6)
121#define ORANGEFS_U_WRITE (1 << 7)
122#define ORANGEFS_U_READ (1 << 8)
123/* no ORANGEFS_U_VTX (sticky bit) */
124#define ORANGEFS_G_SGID (1 << 10)
125#define ORANGEFS_U_SUID (1 << 11)
126
127#define ORANGEFS_ITERATE_START 2147483646
128#define ORANGEFS_ITERATE_END 2147483645
129#define ORANGEFS_IMMUTABLE_FL FS_IMMUTABLE_FL
130#define ORANGEFS_APPEND_FL FS_APPEND_FL
131#define ORANGEFS_NOATIME_FL FS_NOATIME_FL
132#define ORANGEFS_MIRROR_FL 0x01000000ULL
133#define ORANGEFS_FS_ID_NULL ((__s32)0)
134#define ORANGEFS_ATTR_SYS_UID (1 << 0)
135#define ORANGEFS_ATTR_SYS_GID (1 << 1)
136#define ORANGEFS_ATTR_SYS_PERM (1 << 2)
137#define ORANGEFS_ATTR_SYS_ATIME (1 << 3)
138#define ORANGEFS_ATTR_SYS_CTIME (1 << 4)
139#define ORANGEFS_ATTR_SYS_MTIME (1 << 5)
140#define ORANGEFS_ATTR_SYS_TYPE (1 << 6)
141#define ORANGEFS_ATTR_SYS_ATIME_SET (1 << 7)
142#define ORANGEFS_ATTR_SYS_MTIME_SET (1 << 8)
143#define ORANGEFS_ATTR_SYS_SIZE (1 << 20)
144#define ORANGEFS_ATTR_SYS_LNK_TARGET (1 << 24)
145#define ORANGEFS_ATTR_SYS_DFILE_COUNT (1 << 25)
146#define ORANGEFS_ATTR_SYS_DIRENT_COUNT (1 << 26)
147#define ORANGEFS_ATTR_SYS_BLKSIZE (1 << 28)
148#define ORANGEFS_ATTR_SYS_MIRROR_COPIES_COUNT (1 << 29)
149#define ORANGEFS_ATTR_SYS_COMMON_ALL \
150 (ORANGEFS_ATTR_SYS_UID | \
151 ORANGEFS_ATTR_SYS_GID | \
152 ORANGEFS_ATTR_SYS_PERM | \
153 ORANGEFS_ATTR_SYS_ATIME | \
154 ORANGEFS_ATTR_SYS_CTIME | \
155 ORANGEFS_ATTR_SYS_MTIME | \
156 ORANGEFS_ATTR_SYS_TYPE)
157
158#define ORANGEFS_ATTR_SYS_ALL_SETABLE \
159(ORANGEFS_ATTR_SYS_COMMON_ALL-ORANGEFS_ATTR_SYS_TYPE)
160
161#define ORANGEFS_ATTR_SYS_ALL_NOHINT \
162 (ORANGEFS_ATTR_SYS_COMMON_ALL | \
163 ORANGEFS_ATTR_SYS_SIZE | \
164 ORANGEFS_ATTR_SYS_LNK_TARGET | \
165 ORANGEFS_ATTR_SYS_DFILE_COUNT | \
166 ORANGEFS_ATTR_SYS_MIRROR_COPIES_COUNT | \
167 ORANGEFS_ATTR_SYS_DIRENT_COUNT | \
168 ORANGEFS_ATTR_SYS_BLKSIZE)
169
170#define ORANGEFS_XATTR_REPLACE 0x2
171#define ORANGEFS_XATTR_CREATE 0x1
172#define ORANGEFS_MAX_SERVER_ADDR_LEN 256
173#define ORANGEFS_NAME_MAX 256
174/*
175 * max extended attribute name len as imposed by the VFS and exploited for the
176 * upcall request types.
177 * NOTE: Please retain them as multiples of 8 even if you wish to change them
178 * This is *NECESSARY* for supporting 32 bit user-space binaries on a 64-bit
179 * kernel. Due to implementation within DBPF, this really needs to be
180 * ORANGEFS_NAME_MAX, which it was the same value as, but no reason to let it
181 * break if that changes in the future.
182 */
183#define ORANGEFS_MAX_XATTR_NAMELEN ORANGEFS_NAME_MAX /* Not the same as
184 * XATTR_NAME_MAX defined
185 * by <linux/xattr.h>
186 */
187#define ORANGEFS_MAX_XATTR_VALUELEN 8192 /* Not the same as XATTR_SIZE_MAX
188 * defined by <linux/xattr.h>
189 */
190#define ORANGEFS_MAX_XATTR_LISTLEN 16 /* Not the same as XATTR_LIST_MAX
191 * defined by <linux/xattr.h>
192 */
193/*
194 * ORANGEFS I/O operation types, used in both system and server interfaces.
195 */
196enum ORANGEFS_io_type {
197 ORANGEFS_IO_READ = 1,
198 ORANGEFS_IO_WRITE = 2
199};
200
201/*
202 * If this enum is modified the server parameters related to the precreate pool
203 * batch and low threshold sizes may need to be modified to reflect this
204 * change.
205 */
206enum orangefs_ds_type {
207 ORANGEFS_TYPE_NONE = 0,
208 ORANGEFS_TYPE_METAFILE = (1 << 0),
209 ORANGEFS_TYPE_DATAFILE = (1 << 1),
210 ORANGEFS_TYPE_DIRECTORY = (1 << 2),
211 ORANGEFS_TYPE_SYMLINK = (1 << 3),
212 ORANGEFS_TYPE_DIRDATA = (1 << 4),
213 ORANGEFS_TYPE_INTERNAL = (1 << 5) /* for the server's private use */
214};
215
216/* This structure is used by the VFS-client interaction alone */
217struct ORANGEFS_keyval_pair {
218 char key[ORANGEFS_MAX_XATTR_NAMELEN];
219 __s32 key_sz; /* __s32 for portable, fixed-size structures */
220 __s32 val_sz;
221 char val[ORANGEFS_MAX_XATTR_VALUELEN];
222};
223
224/* pvfs2-sysint.h ***********************************************************/
225/* Describes attributes for a file, directory, or symlink. */
226struct ORANGEFS_sys_attr_s {
227 __u32 owner;
228 __u32 group;
229 __u32 perms;
230 __u64 atime;
231 __u64 mtime;
232 __u64 ctime;
233 __s64 size;
234
235 /* NOTE: caller must free if valid */
236 char *link_target;
237
238 /* Changed to __s32 so that size of structure does not change */
239 __s32 dfile_count;
240
241 /* Changed to __s32 so that size of structure does not change */
242 __s32 distr_dir_servers_initial;
243
244 /* Changed to __s32 so that size of structure does not change */
245 __s32 distr_dir_servers_max;
246
247 /* Changed to __s32 so that size of structure does not change */
248 __s32 distr_dir_split_size;
249
250 __u32 mirror_copies_count;
251
252 /* NOTE: caller must free if valid */
253 char *dist_name;
254
255 /* NOTE: caller must free if valid */
256 char *dist_params;
257
258 __s64 dirent_count;
259 enum orangefs_ds_type objtype;
260 __u64 flags;
261 __u32 mask;
262 __s64 blksize;
263};
264
265#define ORANGEFS_LOOKUP_LINK_NO_FOLLOW 0
266
267/* pint-dev.h ***************************************************************/
268
269/* parameter structure used in ORANGEFS_DEV_DEBUG ioctl command */
270struct dev_mask_info_s {
271 enum {
272 KERNEL_MASK,
273 CLIENT_MASK,
274 } mask_type;
275 __u64 mask_value;
276};
277
278struct dev_mask2_info_s {
279 __u64 mask1_value;
280 __u64 mask2_value;
281};
282
283/* pvfs2-util.h *************************************************************/
284__s32 ORANGEFS_util_translate_mode(int mode);
285
286/* pvfs2-debug.h ************************************************************/
287#include "orangefs-debug.h"
288
289/* pvfs2-internal.h *********************************************************/
290#define llu(x) (unsigned long long)(x)
291#define lld(x) (long long)(x)
292
293/* pint-dev-shared.h ********************************************************/
294#define ORANGEFS_DEV_MAGIC 'k'
295
296#define ORANGEFS_READDIR_DEFAULT_DESC_COUNT 5
297
298#define DEV_GET_MAGIC 0x1
299#define DEV_GET_MAX_UPSIZE 0x2
300#define DEV_GET_MAX_DOWNSIZE 0x3
301#define DEV_MAP 0x4
302#define DEV_REMOUNT_ALL 0x5
303#define DEV_DEBUG 0x6
304#define DEV_UPSTREAM 0x7
305#define DEV_CLIENT_MASK 0x8
306#define DEV_CLIENT_STRING 0x9
307#define DEV_MAX_NR 0xa
308
309/* supported ioctls, codes are with respect to user-space */
310enum {
311 ORANGEFS_DEV_GET_MAGIC = _IOW(ORANGEFS_DEV_MAGIC, DEV_GET_MAGIC, __s32),
312 ORANGEFS_DEV_GET_MAX_UPSIZE =
313 _IOW(ORANGEFS_DEV_MAGIC, DEV_GET_MAX_UPSIZE, __s32),
314 ORANGEFS_DEV_GET_MAX_DOWNSIZE =
315 _IOW(ORANGEFS_DEV_MAGIC, DEV_GET_MAX_DOWNSIZE, __s32),
316 ORANGEFS_DEV_MAP = _IO(ORANGEFS_DEV_MAGIC, DEV_MAP),
317 ORANGEFS_DEV_REMOUNT_ALL = _IO(ORANGEFS_DEV_MAGIC, DEV_REMOUNT_ALL),
318 ORANGEFS_DEV_DEBUG = _IOR(ORANGEFS_DEV_MAGIC, DEV_DEBUG, __s32),
319 ORANGEFS_DEV_UPSTREAM = _IOW(ORANGEFS_DEV_MAGIC, DEV_UPSTREAM, int),
320 ORANGEFS_DEV_CLIENT_MASK = _IOW(ORANGEFS_DEV_MAGIC,
321 DEV_CLIENT_MASK,
322 struct dev_mask2_info_s),
323 ORANGEFS_DEV_CLIENT_STRING = _IOW(ORANGEFS_DEV_MAGIC,
324 DEV_CLIENT_STRING,
325 char *),
326 ORANGEFS_DEV_MAXNR = DEV_MAX_NR,
327};
328
329/*
330 * version number for use in communicating between kernel space and user
331 * space. Zero signifies the upstream version of the kernel module.
332 */
333#define ORANGEFS_KERNEL_PROTO_VERSION 0
334#define ORANGEFS_MINIMUM_USERSPACE_VERSION 20903
335
336/*
337 * describes memory regions to map in the ORANGEFS_DEV_MAP ioctl.
338 * NOTE: See devorangefs-req.c for 32 bit compat structure.
339 * Since this structure has a variable-sized layout that is different
340 * on 32 and 64 bit platforms, we need to normalize to a 64 bit layout
341 * on such systems before servicing ioctl calls from user-space binaries
342 * that may be 32 bit!
343 */
344struct ORANGEFS_dev_map_desc {
345 void __user *ptr;
346 __s32 total_size;
347 __s32 size;
348 __s32 count;
349};
350
351/* gossip.h *****************************************************************/
352
353extern __u64 orangefs_gossip_debug_mask;
354
355/* try to avoid function call overhead by checking masks in macro */
356#define gossip_debug(mask, fmt, ...) \
357do { \
358 if (orangefs_gossip_debug_mask & (mask)) \
359 printk(KERN_DEBUG fmt, ##__VA_ARGS__); \
360} while (0)
361
362#define gossip_err pr_err
1#include <linux/kernel.h>
2#include <linux/types.h>
3#include <linux/spinlock_types.h>
4#include <linux/slab.h>
5#include <linux/ioctl.h>
6
7/* pvfs2-config.h ***********************************************************/
8#define ORANGEFS_VERSION_MAJOR 2
9#define ORANGEFS_VERSION_MINOR 9
10#define ORANGEFS_VERSION_SUB 0
11
12/* khandle stuff ***********************************************************/
13
14/*
15 * The 2.9 core will put 64 bit handles in here like this:
16 * 1234 0000 0000 5678
17 * The 3.0 and beyond cores will put 128 bit handles in here like this:
18 * 1234 5678 90AB CDEF
19 * The kernel module will always use the first four bytes and
20 * the last four bytes as an inum.
21 */
22struct orangefs_khandle {
23 unsigned char u[16];
24} __aligned(8);
25
26/*
27 * kernel version of an object ref.
28 */
29struct orangefs_object_kref {
30 struct orangefs_khandle khandle;
31 __s32 fs_id;
32 __s32 __pad1;
33};
34
35/*
36 * compare 2 khandles assumes little endian thus from large address to
37 * small address
38 */
39static inline int ORANGEFS_khandle_cmp(const struct orangefs_khandle *kh1,
40 const struct orangefs_khandle *kh2)
41{
42 int i;
43
44 for (i = 15; i >= 0; i--) {
45 if (kh1->u[i] > kh2->u[i])
46 return 1;
47 if (kh1->u[i] < kh2->u[i])
48 return -1;
49 }
50
51 return 0;
52}
53
54static inline void ORANGEFS_khandle_to(const struct orangefs_khandle *kh,
55 void *p, int size)
56{
57
58 memcpy(p, kh->u, 16);
59 memset(p + 16, 0, size - 16);
60
61}
62
63static inline void ORANGEFS_khandle_from(struct orangefs_khandle *kh,
64 void *p, int size)
65{
66 memset(kh, 0, 16);
67 memcpy(kh->u, p, 16);
68
69}
70
71/* pvfs2-types.h ************************************************************/
72typedef __u32 ORANGEFS_uid;
73typedef __u32 ORANGEFS_gid;
74typedef __s32 ORANGEFS_fs_id;
75typedef __u32 ORANGEFS_permissions;
76typedef __u64 ORANGEFS_time;
77typedef __s64 ORANGEFS_size;
78typedef __u64 ORANGEFS_flags;
79typedef __u64 ORANGEFS_ds_position;
80typedef __s32 ORANGEFS_error;
81typedef __s64 ORANGEFS_offset;
82
83#define ORANGEFS_SUPER_MAGIC 0x20030528
84
85/*
86 * ORANGEFS error codes are a signed 32-bit integer. Error codes are negative, but
87 * the sign is stripped before decoding.
88 */
89
90/* Bit 31 is not used since it is the sign. */
91
92/*
93 * Bit 30 specifies that this is a ORANGEFS error. A ORANGEFS error is either an
94 * encoded errno value or a ORANGEFS protocol error.
95 */
96#define ORANGEFS_ERROR_BIT (1 << 30)
97
98/*
99 * Bit 29 specifies that this is a ORANGEFS protocol error and not an encoded
100 * errno value.
101 */
102#define ORANGEFS_NON_ERRNO_ERROR_BIT (1 << 29)
103
104/*
105 * Bits 9, 8, and 7 specify the error class, which encodes the section of
106 * server code the error originated in for logging purposes. It is not used
107 * in the kernel except to be masked out.
108 */
109#define ORANGEFS_ERROR_CLASS_BITS 0x380
110
111/* Bits 6 - 0 are reserved for the actual error code. */
112#define ORANGEFS_ERROR_NUMBER_BITS 0x7f
113
114/* Encoded errno values decoded by PINT_errno_mapping in orangefs-utils.c. */
115
116/* Our own ORANGEFS protocol error codes. */
117#define ORANGEFS_ECANCEL (1|ORANGEFS_NON_ERRNO_ERROR_BIT|ORANGEFS_ERROR_BIT)
118#define ORANGEFS_EDEVINIT (2|ORANGEFS_NON_ERRNO_ERROR_BIT|ORANGEFS_ERROR_BIT)
119#define ORANGEFS_EDETAIL (3|ORANGEFS_NON_ERRNO_ERROR_BIT|ORANGEFS_ERROR_BIT)
120#define ORANGEFS_EHOSTNTFD (4|ORANGEFS_NON_ERRNO_ERROR_BIT|ORANGEFS_ERROR_BIT)
121#define ORANGEFS_EADDRNTFD (5|ORANGEFS_NON_ERRNO_ERROR_BIT|ORANGEFS_ERROR_BIT)
122#define ORANGEFS_ENORECVR (6|ORANGEFS_NON_ERRNO_ERROR_BIT|ORANGEFS_ERROR_BIT)
123#define ORANGEFS_ETRYAGAIN (7|ORANGEFS_NON_ERRNO_ERROR_BIT|ORANGEFS_ERROR_BIT)
124#define ORANGEFS_ENOTPVFS (8|ORANGEFS_NON_ERRNO_ERROR_BIT|ORANGEFS_ERROR_BIT)
125#define ORANGEFS_ESECURITY (9|ORANGEFS_NON_ERRNO_ERROR_BIT|ORANGEFS_ERROR_BIT)
126
127/* permission bits */
128#define ORANGEFS_O_EXECUTE (1 << 0)
129#define ORANGEFS_O_WRITE (1 << 1)
130#define ORANGEFS_O_READ (1 << 2)
131#define ORANGEFS_G_EXECUTE (1 << 3)
132#define ORANGEFS_G_WRITE (1 << 4)
133#define ORANGEFS_G_READ (1 << 5)
134#define ORANGEFS_U_EXECUTE (1 << 6)
135#define ORANGEFS_U_WRITE (1 << 7)
136#define ORANGEFS_U_READ (1 << 8)
137/* no ORANGEFS_U_VTX (sticky bit) */
138#define ORANGEFS_G_SGID (1 << 10)
139#define ORANGEFS_U_SUID (1 << 11)
140
141/* definition taken from stdint.h */
142#define INT32_MAX (2147483647)
143#define ORANGEFS_ITERATE_START (INT32_MAX - 1)
144#define ORANGEFS_ITERATE_END (INT32_MAX - 2)
145#define ORANGEFS_ITERATE_NEXT (INT32_MAX - 3)
146#define ORANGEFS_READDIR_START ORANGEFS_ITERATE_START
147#define ORANGEFS_READDIR_END ORANGEFS_ITERATE_END
148#define ORANGEFS_IMMUTABLE_FL FS_IMMUTABLE_FL
149#define ORANGEFS_APPEND_FL FS_APPEND_FL
150#define ORANGEFS_NOATIME_FL FS_NOATIME_FL
151#define ORANGEFS_MIRROR_FL 0x01000000ULL
152#define ORANGEFS_O_EXECUTE (1 << 0)
153#define ORANGEFS_FS_ID_NULL ((__s32)0)
154#define ORANGEFS_ATTR_SYS_UID (1 << 0)
155#define ORANGEFS_ATTR_SYS_GID (1 << 1)
156#define ORANGEFS_ATTR_SYS_PERM (1 << 2)
157#define ORANGEFS_ATTR_SYS_ATIME (1 << 3)
158#define ORANGEFS_ATTR_SYS_CTIME (1 << 4)
159#define ORANGEFS_ATTR_SYS_MTIME (1 << 5)
160#define ORANGEFS_ATTR_SYS_TYPE (1 << 6)
161#define ORANGEFS_ATTR_SYS_ATIME_SET (1 << 7)
162#define ORANGEFS_ATTR_SYS_MTIME_SET (1 << 8)
163#define ORANGEFS_ATTR_SYS_SIZE (1 << 20)
164#define ORANGEFS_ATTR_SYS_LNK_TARGET (1 << 24)
165#define ORANGEFS_ATTR_SYS_DFILE_COUNT (1 << 25)
166#define ORANGEFS_ATTR_SYS_DIRENT_COUNT (1 << 26)
167#define ORANGEFS_ATTR_SYS_BLKSIZE (1 << 28)
168#define ORANGEFS_ATTR_SYS_MIRROR_COPIES_COUNT (1 << 29)
169#define ORANGEFS_ATTR_SYS_COMMON_ALL \
170 (ORANGEFS_ATTR_SYS_UID | \
171 ORANGEFS_ATTR_SYS_GID | \
172 ORANGEFS_ATTR_SYS_PERM | \
173 ORANGEFS_ATTR_SYS_ATIME | \
174 ORANGEFS_ATTR_SYS_CTIME | \
175 ORANGEFS_ATTR_SYS_MTIME | \
176 ORANGEFS_ATTR_SYS_TYPE)
177
178#define ORANGEFS_ATTR_SYS_ALL_SETABLE \
179(ORANGEFS_ATTR_SYS_COMMON_ALL-ORANGEFS_ATTR_SYS_TYPE)
180
181#define ORANGEFS_ATTR_SYS_ALL_NOHINT \
182 (ORANGEFS_ATTR_SYS_COMMON_ALL | \
183 ORANGEFS_ATTR_SYS_SIZE | \
184 ORANGEFS_ATTR_SYS_LNK_TARGET | \
185 ORANGEFS_ATTR_SYS_DFILE_COUNT | \
186 ORANGEFS_ATTR_SYS_MIRROR_COPIES_COUNT | \
187 ORANGEFS_ATTR_SYS_DIRENT_COUNT | \
188 ORANGEFS_ATTR_SYS_BLKSIZE)
189
190#define ORANGEFS_XATTR_REPLACE 0x2
191#define ORANGEFS_XATTR_CREATE 0x1
192#define ORANGEFS_MAX_SERVER_ADDR_LEN 256
193#define ORANGEFS_NAME_MAX 256
194/*
195 * max extended attribute name len as imposed by the VFS and exploited for the
196 * upcall request types.
197 * NOTE: Please retain them as multiples of 8 even if you wish to change them
198 * This is *NECESSARY* for supporting 32 bit user-space binaries on a 64-bit
199 * kernel. Due to implementation within DBPF, this really needs to be
200 * ORANGEFS_NAME_MAX, which it was the same value as, but no reason to let it
201 * break if that changes in the future.
202 */
203#define ORANGEFS_MAX_XATTR_NAMELEN ORANGEFS_NAME_MAX /* Not the same as
204 * XATTR_NAME_MAX defined
205 * by <linux/xattr.h>
206 */
207#define ORANGEFS_MAX_XATTR_VALUELEN 8192 /* Not the same as XATTR_SIZE_MAX
208 * defined by <linux/xattr.h>
209 */
210#define ORANGEFS_MAX_XATTR_LISTLEN 16 /* Not the same as XATTR_LIST_MAX
211 * defined by <linux/xattr.h>
212 */
213/*
214 * ORANGEFS I/O operation types, used in both system and server interfaces.
215 */
216enum ORANGEFS_io_type {
217 ORANGEFS_IO_READ = 1,
218 ORANGEFS_IO_WRITE = 2
219};
220
221/*
222 * If this enum is modified the server parameters related to the precreate pool
223 * batch and low threshold sizes may need to be modified to reflect this
224 * change.
225 */
226enum orangefs_ds_type {
227 ORANGEFS_TYPE_NONE = 0,
228 ORANGEFS_TYPE_METAFILE = (1 << 0),
229 ORANGEFS_TYPE_DATAFILE = (1 << 1),
230 ORANGEFS_TYPE_DIRECTORY = (1 << 2),
231 ORANGEFS_TYPE_SYMLINK = (1 << 3),
232 ORANGEFS_TYPE_DIRDATA = (1 << 4),
233 ORANGEFS_TYPE_INTERNAL = (1 << 5) /* for the server's private use */
234};
235
236/*
237 * ORANGEFS_certificate simply stores a buffer with the buffer size.
238 * The buffer can be converted to an OpenSSL X509 struct for use.
239 */
240struct ORANGEFS_certificate {
241 __u32 buf_size;
242 unsigned char *buf;
243};
244
245/*
246 * A credential identifies a user and is signed by the client/user
247 * private key.
248 */
249struct ORANGEFS_credential {
250 __u32 userid; /* user id */
251 __u32 num_groups; /* length of group_array */
252 __u32 *group_array; /* groups for which the user is a member */
253 char *issuer; /* alias of the issuing server */
254 __u64 timeout; /* seconds after epoch to time out */
255 __u32 sig_size; /* length of the signature in bytes */
256 unsigned char *signature; /* digital signature */
257 struct ORANGEFS_certificate certificate; /* user certificate buffer */
258};
259#define extra_size_ORANGEFS_credential (ORANGEFS_REQ_LIMIT_GROUPS * \
260 sizeof(__u32) + \
261 ORANGEFS_REQ_LIMIT_ISSUER + \
262 ORANGEFS_REQ_LIMIT_SIGNATURE + \
263 extra_size_ORANGEFS_certificate)
264
265/* This structure is used by the VFS-client interaction alone */
266struct ORANGEFS_keyval_pair {
267 char key[ORANGEFS_MAX_XATTR_NAMELEN];
268 __s32 key_sz; /* __s32 for portable, fixed-size structures */
269 __s32 val_sz;
270 char val[ORANGEFS_MAX_XATTR_VALUELEN];
271};
272
273/* pvfs2-sysint.h ***********************************************************/
274/* Describes attributes for a file, directory, or symlink. */
275struct ORANGEFS_sys_attr_s {
276 __u32 owner;
277 __u32 group;
278 __u32 perms;
279 __u64 atime;
280 __u64 mtime;
281 __u64 ctime;
282 __s64 size;
283
284 /* NOTE: caller must free if valid */
285 char *link_target;
286
287 /* Changed to __s32 so that size of structure does not change */
288 __s32 dfile_count;
289
290 /* Changed to __s32 so that size of structure does not change */
291 __s32 distr_dir_servers_initial;
292
293 /* Changed to __s32 so that size of structure does not change */
294 __s32 distr_dir_servers_max;
295
296 /* Changed to __s32 so that size of structure does not change */
297 __s32 distr_dir_split_size;
298
299 __u32 mirror_copies_count;
300
301 /* NOTE: caller must free if valid */
302 char *dist_name;
303
304 /* NOTE: caller must free if valid */
305 char *dist_params;
306
307 __s64 dirent_count;
308 enum orangefs_ds_type objtype;
309 __u64 flags;
310 __u32 mask;
311 __s64 blksize;
312};
313
314#define ORANGEFS_LOOKUP_LINK_NO_FOLLOW 0
315
316/* pint-dev.h ***************************************************************/
317
318/* parameter structure used in ORANGEFS_DEV_DEBUG ioctl command */
319struct dev_mask_info_s {
320 enum {
321 KERNEL_MASK,
322 CLIENT_MASK,
323 } mask_type;
324 __u64 mask_value;
325};
326
327struct dev_mask2_info_s {
328 __u64 mask1_value;
329 __u64 mask2_value;
330};
331
332/* pvfs2-util.h *************************************************************/
333__s32 ORANGEFS_util_translate_mode(int mode);
334
335/* pvfs2-debug.h ************************************************************/
336#include "orangefs-debug.h"
337
338/* pvfs2-internal.h *********************************************************/
339#define llu(x) (unsigned long long)(x)
340#define lld(x) (long long)(x)
341
342/* pint-dev-shared.h ********************************************************/
343#define ORANGEFS_DEV_MAGIC 'k'
344
345#define ORANGEFS_READDIR_DEFAULT_DESC_COUNT 5
346
347#define DEV_GET_MAGIC 0x1
348#define DEV_GET_MAX_UPSIZE 0x2
349#define DEV_GET_MAX_DOWNSIZE 0x3
350#define DEV_MAP 0x4
351#define DEV_REMOUNT_ALL 0x5
352#define DEV_DEBUG 0x6
353#define DEV_UPSTREAM 0x7
354#define DEV_CLIENT_MASK 0x8
355#define DEV_CLIENT_STRING 0x9
356#define DEV_MAX_NR 0xa
357
358/* supported ioctls, codes are with respect to user-space */
359enum {
360 ORANGEFS_DEV_GET_MAGIC = _IOW(ORANGEFS_DEV_MAGIC, DEV_GET_MAGIC, __s32),
361 ORANGEFS_DEV_GET_MAX_UPSIZE =
362 _IOW(ORANGEFS_DEV_MAGIC, DEV_GET_MAX_UPSIZE, __s32),
363 ORANGEFS_DEV_GET_MAX_DOWNSIZE =
364 _IOW(ORANGEFS_DEV_MAGIC, DEV_GET_MAX_DOWNSIZE, __s32),
365 ORANGEFS_DEV_MAP = _IO(ORANGEFS_DEV_MAGIC, DEV_MAP),
366 ORANGEFS_DEV_REMOUNT_ALL = _IO(ORANGEFS_DEV_MAGIC, DEV_REMOUNT_ALL),
367 ORANGEFS_DEV_DEBUG = _IOR(ORANGEFS_DEV_MAGIC, DEV_DEBUG, __s32),
368 ORANGEFS_DEV_UPSTREAM = _IOW(ORANGEFS_DEV_MAGIC, DEV_UPSTREAM, int),
369 ORANGEFS_DEV_CLIENT_MASK = _IOW(ORANGEFS_DEV_MAGIC,
370 DEV_CLIENT_MASK,
371 struct dev_mask2_info_s),
372 ORANGEFS_DEV_CLIENT_STRING = _IOW(ORANGEFS_DEV_MAGIC,
373 DEV_CLIENT_STRING,
374 char *),
375 ORANGEFS_DEV_MAXNR = DEV_MAX_NR,
376};
377
378/*
379 * version number for use in communicating between kernel space and user
380 * space. Zero signifies the upstream version of the kernel module.
381 */
382#define ORANGEFS_KERNEL_PROTO_VERSION 0
383#define ORANGEFS_MINIMUM_USERSPACE_VERSION 20903
384
385/*
386 * describes memory regions to map in the ORANGEFS_DEV_MAP ioctl.
387 * NOTE: See devorangefs-req.c for 32 bit compat structure.
388 * Since this structure has a variable-sized layout that is different
389 * on 32 and 64 bit platforms, we need to normalize to a 64 bit layout
390 * on such systems before servicing ioctl calls from user-space binaries
391 * that may be 32 bit!
392 */
393struct ORANGEFS_dev_map_desc {
394 void *ptr;
395 __s32 total_size;
396 __s32 size;
397 __s32 count;
398};
399
400/* gossip.h *****************************************************************/
401
402#ifdef GOSSIP_DISABLE_DEBUG
403#define gossip_debug(mask, fmt, ...) \
404do { \
405 if (0) \
406 printk(KERN_DEBUG fmt, ##__VA_ARGS__); \
407} while (0)
408#else
409extern __u64 orangefs_gossip_debug_mask;
410
411/* try to avoid function call overhead by checking masks in macro */
412#define gossip_debug(mask, fmt, ...) \
413do { \
414 if (orangefs_gossip_debug_mask & (mask)) \
415 printk(KERN_DEBUG fmt, ##__VA_ARGS__); \
416} while (0)
417#endif /* GOSSIP_DISABLE_DEBUG */
418
419/* do file and line number printouts w/ the GNU preprocessor */
420#define gossip_ldebug(mask, fmt, ...) \
421 gossip_debug(mask, "%s: " fmt, __func__, ##__VA_ARGS__)
422
423#define gossip_err pr_err
424#define gossip_lerr(fmt, ...) \
425 gossip_err("%s line %d: " fmt, \
426 __FILE__, __LINE__, ##__VA_ARGS__)