1 /* 2 * include/net/9p/client.h 3 * 4 * 9P Client Definitions 5 * 6 * Copyright (C) 2008 by Eric Van Hensbergen <ericvh@gmail.com> 7 * Copyright (C) 2007 by Latchesar Ionkov <lucho@ionkov.net> 8 * 9 * This program is free software; you can redistribute it and/or modify 10 * it under the terms of the GNU General Public License version 2 11 * as published by the Free Software Foundation. 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 * 18 * You should have received a copy of the GNU General Public License 19 * along with this program; if not, write to: 20 * Free Software Foundation 21 * 51 Franklin Street, Fifth Floor 22 * Boston, MA 02111-1301 USA 23 * 24 */ 25 26 #ifndef NET_9P_CLIENT_H 27 #define NET_9P_CLIENT_H 28 29 struct p9_client { 30 spinlock_t lock; /* protect client structure */ 31 int msize; 32 unsigned char dotu; 33 struct p9_trans_module *trans_mod; 34 struct p9_trans *trans; 35 struct p9_conn *conn; 36 37 struct p9_idpool *fidpool; 38 struct list_head fidlist; 39 }; 40 41 struct p9_fid { 42 struct p9_client *clnt; 43 u32 fid; 44 int mode; 45 struct p9_qid qid; 46 u32 iounit; 47 uid_t uid; 48 void *aux; 49 50 int rdir_fpos; 51 int rdir_pos; 52 struct p9_fcall *rdir_fcall; 53 struct list_head flist; 54 struct list_head dlist; /* list of all fids attached to a dentry */ 55 }; 56 57 struct p9_client *p9_client_create(const char *dev_name, char *options); 58 void p9_client_destroy(struct p9_client *clnt); 59 void p9_client_disconnect(struct p9_client *clnt); 60 struct p9_fid *p9_client_attach(struct p9_client *clnt, struct p9_fid *afid, 61 char *uname, u32 n_uname, char *aname); 62 struct p9_fid *p9_client_auth(struct p9_client *clnt, char *uname, 63 u32 n_uname, char *aname); 64 struct p9_fid *p9_client_walk(struct p9_fid *oldfid, int nwname, char **wnames, 65 int clone); 66 int p9_client_open(struct p9_fid *fid, int mode); 67 int p9_client_fcreate(struct p9_fid *fid, char *name, u32 perm, int mode, 68 char *extension); 69 int p9_client_clunk(struct p9_fid *fid); 70 int p9_client_remove(struct p9_fid *fid); 71 int p9_client_read(struct p9_fid *fid, char *data, u64 offset, u32 count); 72 int p9_client_readn(struct p9_fid *fid, char *data, u64 offset, u32 count); 73 int p9_client_write(struct p9_fid *fid, char *data, u64 offset, u32 count); 74 int p9_client_uread(struct p9_fid *fid, char __user *data, u64 offset, 75 u32 count); 76 int p9_client_uwrite(struct p9_fid *fid, const char __user *data, u64 offset, 77 u32 count); 78 struct p9_stat *p9_client_stat(struct p9_fid *fid); 79 int p9_client_wstat(struct p9_fid *fid, struct p9_wstat *wst); 80 struct p9_stat *p9_client_dirread(struct p9_fid *fid, u64 offset); 81 82 #endif /* NET_9P_CLIENT_H */ 83