diff options
Diffstat (limited to 'include/net/9p/9p.h')
| -rw-r--r-- | include/net/9p/9p.h | 119 |
1 files changed, 21 insertions, 98 deletions
diff --git a/include/net/9p/9p.h b/include/net/9p/9p.h index fb163e2e0de..d2c60c73619 100644 --- a/include/net/9p/9p.h +++ b/include/net/9p/9p.h @@ -27,8 +27,6 @@ #ifndef NET_9P_H #define NET_9P_H -#ifdef CONFIG_NET_9P_DEBUG - /** * enum p9_debug_flags - bits for mount time debug parameter * @P9_DEBUG_ERROR: more verbose error messages including original error string @@ -39,6 +37,7 @@ * @P9_DEBUG_TRANS: transport tracing * @P9_DEBUG_SLABS: memory management tracing * @P9_DEBUG_FCALL: verbose dump of protocol messages + * @P9_DEBUG_FID: fid allocation/deallocation tracking * * These flags are passed at mount time to turn on various levels of * verbosity and tracing which will be output to the system logs. @@ -53,24 +52,27 @@ enum p9_debug_flags { P9_DEBUG_TRANS = (1<<6), P9_DEBUG_SLABS = (1<<7), P9_DEBUG_FCALL = (1<<8), + P9_DEBUG_FID = (1<<9), + P9_DEBUG_PKT = (1<<10), }; extern unsigned int p9_debug_level; +#ifdef CONFIG_NET_9P_DEBUG #define P9_DPRINTK(level, format, arg...) \ do { \ - if ((p9_debug_level & level) == level) \ - printk(KERN_NOTICE "-- %s (%d): " \ - format , __func__, task_pid_nr(current) , ## arg); \ + if ((p9_debug_level & level) == level) {\ + if (level == P9_DEBUG_9P) \ + printk(KERN_NOTICE "(%8.8d) " \ + format , task_pid_nr(current) , ## arg); \ + else \ + printk(KERN_NOTICE "-- %s (%d): " \ + format , __func__, task_pid_nr(current) , ## arg); \ + } \ } while (0) -#define PRINT_FCALL_ERROR(s, fcall) P9_DPRINTK(P9_DEBUG_ERROR, \ - "%s: %.*s\n", s, fcall?fcall->params.rerror.error.len:0, \ - fcall?fcall->params.rerror.error.str:""); - #else #define P9_DPRINTK(level, format, arg...) do { } while (0) -#define PRINT_FCALL_ERROR(s, fcall) do { } while (0) #endif #define P9_EPRINTK(level, format, arg...) \ @@ -325,33 +327,6 @@ struct p9_qid { * See Also: http://plan9.bell-labs.com/magic/man2html/2/stat */ -struct p9_stat { - u16 size; - u16 type; - u32 dev; - struct p9_qid qid; - u32 mode; - u32 atime; - u32 mtime; - u64 length; - struct p9_str name; - struct p9_str uid; - struct p9_str gid; - struct p9_str muid; - struct p9_str extension; /* 9p2000.u extensions */ - u32 n_uid; /* 9p2000.u extensions */ - u32 n_gid; /* 9p2000.u extensions */ - u32 n_muid; /* 9p2000.u extensions */ -}; - -/* - * file metadata (stat) structure used to create Twstat message - * The is identical to &p9_stat, but the strings don't point to - * the same memory block and should be freed separately - * - * See Also: http://plan9.bell-labs.com/magic/man2html/2/stat - */ - struct p9_wstat { u16 size; u16 type; @@ -493,12 +468,12 @@ struct p9_tstat { }; struct p9_rstat { - struct p9_stat stat; + struct p9_wstat stat; }; struct p9_twstat { u32 fid; - struct p9_stat stat; + struct p9_wstat stat; }; struct p9_rwstat { @@ -509,8 +484,9 @@ struct p9_rwstat { * @size: prefixed length of the structure * @id: protocol operating identifier of type &p9_msg_t * @tag: transaction id of the request + * @offset: used by marshalling routines to track currentposition in buffer + * @capacity: used by marshalling routines to track total capacity * @sdata: payload - * @params: per-operation parameters * * &p9_fcall represents the structure for all 9P RPC * transactions. Requests are packaged into fcalls, and reponses @@ -523,68 +499,15 @@ struct p9_fcall { u32 size; u8 id; u16 tag; - void *sdata; - - union { - struct p9_tversion tversion; - struct p9_rversion rversion; - struct p9_tauth tauth; - struct p9_rauth rauth; - struct p9_rerror rerror; - struct p9_tflush tflush; - struct p9_rflush rflush; - struct p9_tattach tattach; - struct p9_rattach rattach; - struct p9_twalk twalk; - struct p9_rwalk rwalk; - struct p9_topen topen; - struct p9_ropen ropen; - struct p9_tcreate tcreate; - struct p9_rcreate rcreate; - struct p9_tread tread; - struct p9_rread rread; - struct p9_twrite twrite; - struct p9_rwrite rwrite; - struct p9_tclunk tclunk; - struct p9_rclunk rclunk; - struct p9_tremove tremove; - struct p9_rremove rremove; - struct p9_tstat tstat; - struct p9_rstat rstat; - struct p9_twstat twstat; - struct p9_rwstat rwstat; - } params; + + size_t offset; + size_t capacity; + + uint8_t *sdata; }; struct p9_idpool; -int p9_deserialize_stat(void *buf, u32 buflen, struct p9_stat *stat, - int dotu); -int p9_deserialize_fcall(void *buf, u32 buflen, struct p9_fcall *fc, int dotu); -void p9_set_tag(struct p9_fcall *fc, u16 tag); -struct p9_fcall *p9_create_tversion(u32 msize, char *version); -struct p9_fcall *p9_create_tattach(u32 fid, u32 afid, char *uname, - char *aname, u32 n_uname, int dotu); -struct p9_fcall *p9_create_tauth(u32 afid, char *uname, char *aname, - u32 n_uname, int dotu); -struct p9_fcall *p9_create_tflush(u16 oldtag); -struct p9_fcall *p9_create_twalk(u32 fid, u32 newfid, u16 nwname, - char **wnames); -struct p9_fcall *p9_create_topen(u32 fid, u8 mode); -struct p9_fcall *p9_create_tcreate(u32 fid, char *name, u32 perm, u8 mode, - char *extension, int dotu); -struct p9_fcall *p9_create_tread(u32 fid, u64 offset, u32 count); -struct p9_fcall *p9_create_twrite(u32 fid, u64 offset, u32 count, - const char *data); -struct p9_fcall *p9_create_twrite_u(u32 fid, u64 offset, u32 count, - const char __user *data); -struct p9_fcall *p9_create_tclunk(u32 fid); -struct p9_fcall *p9_create_tremove(u32 fid); -struct p9_fcall *p9_create_tstat(u32 fid); -struct p9_fcall *p9_create_twstat(u32 fid, struct p9_wstat *wstat, - int dotu); - -int p9_printfcall(char *buf, int buflen, struct p9_fcall *fc, int dotu); int p9_errstr2errno(char *errstr, int len); struct p9_idpool *p9_idpool_create(void); |