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0007 #ifndef __KSMBD_VFS_H__
0008 #define __KSMBD_VFS_H__
0009
0010 #include <linux/file.h>
0011 #include <linux/fs.h>
0012 #include <linux/namei.h>
0013 #include <uapi/linux/xattr.h>
0014 #include <linux/posix_acl.h>
0015
0016 #include "smbacl.h"
0017 #include "xattr.h"
0018
0019
0020
0021
0022 enum {
0023 DATA_STREAM = 1,
0024 DIR_STREAM
0025 };
0026
0027
0028 #define CREATE_TREE_CONNECTION cpu_to_le32(0x00000080)
0029 #define FILE_RESERVE_OPFILTER_LE cpu_to_le32(0x00100000)
0030
0031 #define CREATE_OPTION_READONLY 0x10000000
0032
0033 #define CREATE_OPTION_SPECIAL 0x20000000
0034
0035 struct ksmbd_work;
0036 struct ksmbd_file;
0037 struct ksmbd_conn;
0038
0039 struct ksmbd_dir_info {
0040 const char *name;
0041 char *wptr;
0042 char *rptr;
0043 int name_len;
0044 int out_buf_len;
0045 int num_entry;
0046 int data_count;
0047 int last_entry_offset;
0048 bool hide_dot_file;
0049 int flags;
0050 int last_entry_off_align;
0051 };
0052
0053 struct ksmbd_readdir_data {
0054 struct dir_context ctx;
0055 union {
0056 void *private;
0057 char *dirent;
0058 };
0059
0060 unsigned int used;
0061 unsigned int dirent_count;
0062 unsigned int file_attr;
0063 };
0064
0065
0066 struct ksmbd_kstat {
0067 struct kstat *kstat;
0068 unsigned long long create_time;
0069 __le32 file_attributes;
0070 };
0071
0072 int ksmbd_vfs_lock_parent(struct user_namespace *user_ns, struct dentry *parent,
0073 struct dentry *child);
0074 int ksmbd_vfs_may_delete(struct user_namespace *user_ns, struct dentry *dentry);
0075 int ksmbd_vfs_query_maximal_access(struct user_namespace *user_ns,
0076 struct dentry *dentry, __le32 *daccess);
0077 int ksmbd_vfs_create(struct ksmbd_work *work, const char *name, umode_t mode);
0078 int ksmbd_vfs_mkdir(struct ksmbd_work *work, const char *name, umode_t mode);
0079 int ksmbd_vfs_read(struct ksmbd_work *work, struct ksmbd_file *fp,
0080 size_t count, loff_t *pos);
0081 int ksmbd_vfs_write(struct ksmbd_work *work, struct ksmbd_file *fp,
0082 char *buf, size_t count, loff_t *pos, bool sync,
0083 ssize_t *written);
0084 int ksmbd_vfs_fsync(struct ksmbd_work *work, u64 fid, u64 p_id);
0085 int ksmbd_vfs_remove_file(struct ksmbd_work *work, char *name);
0086 int ksmbd_vfs_link(struct ksmbd_work *work,
0087 const char *oldname, const char *newname);
0088 int ksmbd_vfs_getattr(struct path *path, struct kstat *stat);
0089 int ksmbd_vfs_fp_rename(struct ksmbd_work *work, struct ksmbd_file *fp,
0090 char *newname);
0091 int ksmbd_vfs_truncate(struct ksmbd_work *work,
0092 struct ksmbd_file *fp, loff_t size);
0093 struct srv_copychunk;
0094 int ksmbd_vfs_copy_file_ranges(struct ksmbd_work *work,
0095 struct ksmbd_file *src_fp,
0096 struct ksmbd_file *dst_fp,
0097 struct srv_copychunk *chunks,
0098 unsigned int chunk_count,
0099 unsigned int *chunk_count_written,
0100 unsigned int *chunk_size_written,
0101 loff_t *total_size_written);
0102 ssize_t ksmbd_vfs_listxattr(struct dentry *dentry, char **list);
0103 ssize_t ksmbd_vfs_getxattr(struct user_namespace *user_ns,
0104 struct dentry *dentry,
0105 char *xattr_name,
0106 char **xattr_buf);
0107 ssize_t ksmbd_vfs_casexattr_len(struct user_namespace *user_ns,
0108 struct dentry *dentry, char *attr_name,
0109 int attr_name_len);
0110 int ksmbd_vfs_setxattr(struct user_namespace *user_ns,
0111 struct dentry *dentry, const char *attr_name,
0112 void *attr_value, size_t attr_size, int flags);
0113 int ksmbd_vfs_xattr_stream_name(char *stream_name, char **xattr_stream_name,
0114 size_t *xattr_stream_name_size, int s_type);
0115 int ksmbd_vfs_remove_xattr(struct user_namespace *user_ns,
0116 struct dentry *dentry, char *attr_name);
0117 int ksmbd_vfs_kern_path(struct ksmbd_work *work,
0118 char *name, unsigned int flags, struct path *path,
0119 bool caseless);
0120 struct dentry *ksmbd_vfs_kern_path_create(struct ksmbd_work *work,
0121 const char *name,
0122 unsigned int flags,
0123 struct path *path);
0124 int ksmbd_vfs_empty_dir(struct ksmbd_file *fp);
0125 void ksmbd_vfs_set_fadvise(struct file *filp, __le32 option);
0126 int ksmbd_vfs_zero_data(struct ksmbd_work *work, struct ksmbd_file *fp,
0127 loff_t off, loff_t len);
0128 struct file_allocated_range_buffer;
0129 int ksmbd_vfs_fqar_lseek(struct ksmbd_file *fp, loff_t start, loff_t length,
0130 struct file_allocated_range_buffer *ranges,
0131 unsigned int in_count, unsigned int *out_count);
0132 int ksmbd_vfs_unlink(struct user_namespace *user_ns,
0133 struct dentry *dir, struct dentry *dentry);
0134 void *ksmbd_vfs_init_kstat(char **p, struct ksmbd_kstat *ksmbd_kstat);
0135 int ksmbd_vfs_fill_dentry_attrs(struct ksmbd_work *work,
0136 struct user_namespace *user_ns,
0137 struct dentry *dentry,
0138 struct ksmbd_kstat *ksmbd_kstat);
0139 void ksmbd_vfs_posix_lock_wait(struct file_lock *flock);
0140 int ksmbd_vfs_posix_lock_wait_timeout(struct file_lock *flock, long timeout);
0141 void ksmbd_vfs_posix_lock_unblock(struct file_lock *flock);
0142 int ksmbd_vfs_remove_acl_xattrs(struct user_namespace *user_ns,
0143 struct dentry *dentry);
0144 int ksmbd_vfs_remove_sd_xattrs(struct user_namespace *user_ns,
0145 struct dentry *dentry);
0146 int ksmbd_vfs_set_sd_xattr(struct ksmbd_conn *conn,
0147 struct user_namespace *user_ns,
0148 struct dentry *dentry,
0149 struct smb_ntsd *pntsd, int len);
0150 int ksmbd_vfs_get_sd_xattr(struct ksmbd_conn *conn,
0151 struct user_namespace *user_ns,
0152 struct dentry *dentry,
0153 struct smb_ntsd **pntsd);
0154 int ksmbd_vfs_set_dos_attrib_xattr(struct user_namespace *user_ns,
0155 struct dentry *dentry,
0156 struct xattr_dos_attrib *da);
0157 int ksmbd_vfs_get_dos_attrib_xattr(struct user_namespace *user_ns,
0158 struct dentry *dentry,
0159 struct xattr_dos_attrib *da);
0160 int ksmbd_vfs_set_init_posix_acl(struct user_namespace *user_ns,
0161 struct inode *inode);
0162 int ksmbd_vfs_inherit_posix_acl(struct user_namespace *user_ns,
0163 struct inode *inode,
0164 struct inode *parent_inode);
0165 #endif
