1 /* 2 * include/net/9p/client.h 3 * 4 * 9P Client Definitions 5 * 6 * Copyright (C) 2007 by Latchesar Ionkov <lucho@ionkov.net> 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License version 2 10 * as published by the Free Software Foundation. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License 18 * along with this program; if not, write to: 19 * Free Software Foundation 20 * 51 Franklin Street, Fifth Floor 21 * Boston, MA 02111-1301 USA 22 * 23 */ 24 25 #ifndef NET_9P_CLIENT_H 26 #define NET_9P_CLIENT_H 27 28 struct p9_client { 29 spinlock_t lock; /* protect client structure */ 30 int msize; 31 unsigned char dotu; 32 struct p9_trans *trans; 33 struct p9_conn *conn; 34 35 struct p9_idpool *fidpool; 36 struct list_head fidlist; 37 }; 38 39 struct p9_fid { 40 struct p9_client *clnt; 41 u32 fid; 42 int mode; 43 struct p9_qid qid; 44 u32 iounit; 45 uid_t uid; 46 void *aux; 47 48 int rdir_fpos; 49 int rdir_pos; 50 struct p9_fcall *rdir_fcall; 51 struct list_head flist; 52 struct list_head dlist; /* list of all fids attached to a dentry */ 53 }; 54 55 struct p9_client *p9_client_create(struct p9_trans *trans, int msize, 56 int dotu); 57 void p9_client_destroy(struct p9_client *clnt); 58 void p9_client_disconnect(struct p9_client *clnt); 59 struct p9_fid *p9_client_attach(struct p9_client *clnt, struct p9_fid *afid, 60 char *uname, u32 n_uname, char *aname); 61 struct p9_fid *p9_client_auth(struct p9_client *clnt, char *uname, 62 u32 n_uname, char *aname); 63 struct p9_fid *p9_client_walk(struct p9_fid *oldfid, int nwname, char **wnames, 64 int clone); 65 int p9_client_open(struct p9_fid *fid, int mode); 66 int p9_client_fcreate(struct p9_fid *fid, char *name, u32 perm, int mode, 67 char *extension); 68 int p9_client_clunk(struct p9_fid *fid); 69 int p9_client_remove(struct p9_fid *fid); 70 int p9_client_read(struct p9_fid *fid, char *data, u64 offset, u32 count); 71 int p9_client_readn(struct p9_fid *fid, char *data, u64 offset, u32 count); 72 int p9_client_write(struct p9_fid *fid, char *data, u64 offset, u32 count); 73 int p9_client_uread(struct p9_fid *fid, char __user *data, u64 offset, 74 u32 count); 75 int p9_client_uwrite(struct p9_fid *fid, const char __user *data, u64 offset, 76 u32 count); 77 struct p9_stat *p9_client_stat(struct p9_fid *fid); 78 int p9_client_wstat(struct p9_fid *fid, struct p9_wstat *wst); 79 struct p9_stat *p9_client_dirread(struct p9_fid *fid, u64 offset); 80 81 #endif /* NET_9P_CLIENT_H */ 82