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7#ifndef __KSMBD_VFS_H__
8#define __KSMBD_VFS_H__
9
10#include <linux/file.h>
11#include <linux/fs.h>
12#include <linux/namei.h>
13#include <uapi/linux/xattr.h>
14#include <linux/posix_acl.h>
15
16#include "smbacl.h"
17#include "xattr.h"
18
19
20
21
22enum {
23 DATA_STREAM = 1,
24 DIR_STREAM
25};
26
27
28
29#define FILE_DIRECTORY_FILE_LE cpu_to_le32(0x00000001)
30#define FILE_WRITE_THROUGH_LE cpu_to_le32(0x00000002)
31#define FILE_SEQUENTIAL_ONLY_LE cpu_to_le32(0x00000004)
32
33
34#define FILE_NO_INTERMEDIATE_BUFFERING_LE cpu_to_le32(0x00000008)
35
36#define FILE_SYNCHRONOUS_IO_ALERT_LE cpu_to_le32(0x00000010)
37
38#define FILE_SYNCHRONOUS_IO_NONALERT_LE cpu_to_le32(0x00000020)
39
40
41#define FILE_NON_DIRECTORY_FILE_LE cpu_to_le32(0x00000040)
42
43
44#define CREATE_TREE_CONNECTION cpu_to_le32(0x00000080)
45#define FILE_COMPLETE_IF_OPLOCKED_LE cpu_to_le32(0x00000100)
46#define FILE_NO_EA_KNOWLEDGE_LE cpu_to_le32(0x00000200)
47#define FILE_OPEN_REMOTE_INSTANCE cpu_to_le32(0x00000400)
48
49
50
51
52
53#define CREATE_OPEN_FOR_RECOVERY cpu_to_le32(0x00000400)
54#define FILE_RANDOM_ACCESS_LE cpu_to_le32(0x00000800)
55#define FILE_DELETE_ON_CLOSE_LE cpu_to_le32(0x00001000)
56#define FILE_OPEN_BY_FILE_ID_LE cpu_to_le32(0x00002000)
57#define FILE_OPEN_FOR_BACKUP_INTENT_LE cpu_to_le32(0x00004000)
58#define FILE_NO_COMPRESSION_LE cpu_to_le32(0x00008000)
59
60
61#define FILE_OPEN_REQUIRING_OPLOCK cpu_to_le32(0x00010000)
62#define FILE_DISALLOW_EXCLUSIVE cpu_to_le32(0x00020000)
63#define FILE_RESERVE_OPFILTER_LE cpu_to_le32(0x00100000)
64#define FILE_OPEN_REPARSE_POINT_LE cpu_to_le32(0x00200000)
65#define FILE_OPEN_NO_RECALL_LE cpu_to_le32(0x00400000)
66
67
68#define FILE_OPEN_FOR_FREE_SPACE_QUERY_LE cpu_to_le32(0x00800000)
69#define CREATE_OPTIONS_MASK cpu_to_le32(0x00FFFFFF)
70#define CREATE_OPTION_READONLY 0x10000000
71
72#define CREATE_OPTION_SPECIAL 0x20000000
73
74struct ksmbd_work;
75struct ksmbd_file;
76struct ksmbd_conn;
77
78struct ksmbd_dir_info {
79 const char *name;
80 char *wptr;
81 char *rptr;
82 int name_len;
83 int out_buf_len;
84 int num_entry;
85 int data_count;
86 int last_entry_offset;
87 bool hide_dot_file;
88 int flags;
89};
90
91struct ksmbd_readdir_data {
92 struct dir_context ctx;
93 union {
94 void *private;
95 char *dirent;
96 };
97
98 unsigned int used;
99 unsigned int dirent_count;
100 unsigned int file_attr;
101};
102
103
104struct ksmbd_kstat {
105 struct kstat *kstat;
106 unsigned long long create_time;
107 __le32 file_attributes;
108};
109
110int ksmbd_vfs_lock_parent(struct user_namespace *user_ns, struct dentry *parent,
111 struct dentry *child);
112int ksmbd_vfs_may_delete(struct user_namespace *user_ns, struct dentry *dentry);
113int ksmbd_vfs_query_maximal_access(struct user_namespace *user_ns,
114 struct dentry *dentry, __le32 *daccess);
115int ksmbd_vfs_create(struct ksmbd_work *work, const char *name, umode_t mode);
116int ksmbd_vfs_mkdir(struct ksmbd_work *work, const char *name, umode_t mode);
117int ksmbd_vfs_read(struct ksmbd_work *work, struct ksmbd_file *fp,
118 size_t count, loff_t *pos);
119int ksmbd_vfs_write(struct ksmbd_work *work, struct ksmbd_file *fp,
120 char *buf, size_t count, loff_t *pos, bool sync,
121 ssize_t *written);
122int ksmbd_vfs_fsync(struct ksmbd_work *work, u64 fid, u64 p_id);
123int ksmbd_vfs_remove_file(struct ksmbd_work *work, char *name);
124int ksmbd_vfs_link(struct ksmbd_work *work,
125 const char *oldname, const char *newname);
126int ksmbd_vfs_getattr(struct path *path, struct kstat *stat);
127int ksmbd_vfs_fp_rename(struct ksmbd_work *work, struct ksmbd_file *fp,
128 char *newname);
129int ksmbd_vfs_truncate(struct ksmbd_work *work,
130 struct ksmbd_file *fp, loff_t size);
131struct srv_copychunk;
132int ksmbd_vfs_copy_file_ranges(struct ksmbd_work *work,
133 struct ksmbd_file *src_fp,
134 struct ksmbd_file *dst_fp,
135 struct srv_copychunk *chunks,
136 unsigned int chunk_count,
137 unsigned int *chunk_count_written,
138 unsigned int *chunk_size_written,
139 loff_t *total_size_written);
140ssize_t ksmbd_vfs_listxattr(struct dentry *dentry, char **list);
141ssize_t ksmbd_vfs_getxattr(struct user_namespace *user_ns,
142 struct dentry *dentry,
143 char *xattr_name,
144 char **xattr_buf);
145ssize_t ksmbd_vfs_casexattr_len(struct user_namespace *user_ns,
146 struct dentry *dentry, char *attr_name,
147 int attr_name_len);
148int ksmbd_vfs_setxattr(struct user_namespace *user_ns,
149 struct dentry *dentry, const char *attr_name,
150 const void *attr_value, size_t attr_size, int flags);
151int ksmbd_vfs_xattr_stream_name(char *stream_name, char **xattr_stream_name,
152 size_t *xattr_stream_name_size, int s_type);
153int ksmbd_vfs_remove_xattr(struct user_namespace *user_ns,
154 struct dentry *dentry, char *attr_name);
155int ksmbd_vfs_kern_path(struct ksmbd_work *work,
156 char *name, unsigned int flags, struct path *path,
157 bool caseless);
158struct dentry *ksmbd_vfs_kern_path_create(struct ksmbd_work *work,
159 const char *name,
160 unsigned int flags,
161 struct path *path);
162int ksmbd_vfs_empty_dir(struct ksmbd_file *fp);
163void ksmbd_vfs_set_fadvise(struct file *filp, __le32 option);
164int ksmbd_vfs_zero_data(struct ksmbd_work *work, struct ksmbd_file *fp,
165 loff_t off, loff_t len);
166struct file_allocated_range_buffer;
167int ksmbd_vfs_fqar_lseek(struct ksmbd_file *fp, loff_t start, loff_t length,
168 struct file_allocated_range_buffer *ranges,
169 unsigned int in_count, unsigned int *out_count);
170int ksmbd_vfs_unlink(struct user_namespace *user_ns,
171 struct dentry *dir, struct dentry *dentry);
172void *ksmbd_vfs_init_kstat(char **p, struct ksmbd_kstat *ksmbd_kstat);
173int ksmbd_vfs_fill_dentry_attrs(struct ksmbd_work *work,
174 struct user_namespace *user_ns,
175 struct dentry *dentry,
176 struct ksmbd_kstat *ksmbd_kstat);
177void ksmbd_vfs_posix_lock_wait(struct file_lock *flock);
178int ksmbd_vfs_posix_lock_wait_timeout(struct file_lock *flock, long timeout);
179void ksmbd_vfs_posix_lock_unblock(struct file_lock *flock);
180int ksmbd_vfs_remove_acl_xattrs(struct user_namespace *user_ns,
181 struct dentry *dentry);
182int ksmbd_vfs_remove_sd_xattrs(struct user_namespace *user_ns,
183 struct dentry *dentry);
184int ksmbd_vfs_set_sd_xattr(struct ksmbd_conn *conn,
185 struct user_namespace *user_ns,
186 struct dentry *dentry,
187 struct smb_ntsd *pntsd, int len);
188int ksmbd_vfs_get_sd_xattr(struct ksmbd_conn *conn,
189 struct user_namespace *user_ns,
190 struct dentry *dentry,
191 struct smb_ntsd **pntsd);
192int ksmbd_vfs_set_dos_attrib_xattr(struct user_namespace *user_ns,
193 struct dentry *dentry,
194 struct xattr_dos_attrib *da);
195int ksmbd_vfs_get_dos_attrib_xattr(struct user_namespace *user_ns,
196 struct dentry *dentry,
197 struct xattr_dos_attrib *da);
198int ksmbd_vfs_set_init_posix_acl(struct user_namespace *user_ns,
199 struct inode *inode);
200int ksmbd_vfs_inherit_posix_acl(struct user_namespace *user_ns,
201 struct inode *inode,
202 struct inode *parent_inode);
203#endif
204
