diff options
Diffstat (limited to 'include/net/9p/9p.h')
| -rw-r--r-- | include/net/9p/9p.h | 72 |
1 files changed, 67 insertions, 5 deletions
diff --git a/include/net/9p/9p.h b/include/net/9p/9p.h index a8de812ccbc8..d2df55b0c213 100644 --- a/include/net/9p/9p.h +++ b/include/net/9p/9p.h @@ -86,6 +86,8 @@ do { \ /** * enum p9_msg_t - 9P message types + * @P9_TLERROR: not used + * @P9_RLERROR: response for any failed request for 9P2000.L * @P9_TSTATFS: file system status request * @P9_RSTATFS: file system status response * @P9_TSYMLINK: make symlink request @@ -117,7 +119,7 @@ do { \ * @P9_TREAD: request to transfer data from a file or directory * @P9_RREAD: response with data requested * @P9_TWRITE: reuqest to transfer data to a file - * @P9_RWRITE: response with out much data was transfered to file + * @P9_RWRITE: response with out much data was transferred to file * @P9_TCLUNK: forget about a handle to an entity within the file system * @P9_RCLUNK: response when server has forgotten about the handle * @P9_TREMOVE: request to remove an entity from the hierarchy @@ -137,6 +139,8 @@ do { \ */ enum p9_msg_t { + P9_TLERROR = 6, + P9_RLERROR, P9_TSTATFS = 8, P9_RSTATFS, P9_TLOPEN = 12, @@ -149,6 +153,8 @@ enum p9_msg_t { P9_RMKNOD, P9_TRENAME = 20, P9_RRENAME, + P9_TREADLINK = 22, + P9_RREADLINK, P9_TGETATTR = 24, P9_RGETATTR, P9_TSETATTR = 26, @@ -159,6 +165,12 @@ enum p9_msg_t { P9_RXATTRCREATE, P9_TREADDIR = 40, P9_RREADDIR, + P9_TFSYNC = 50, + P9_RFSYNC, + P9_TLOCK = 52, + P9_RLOCK, + P9_TGETLOCK = 54, + P9_RGETLOCK, P9_TLINK = 70, P9_RLINK, P9_TMKDIR = 72, @@ -280,7 +292,7 @@ enum p9_perm_t { * * QID types are a subset of permissions - they are primarily * used to differentiate semantics for a file system entity via - * a jump-table. Their value is also the most signifigant 16 bits + * a jump-table. Their value is also the most significant 16 bits * of the permission_t * * See Also: http://plan9.bell-labs.com/magic/man2html/2/stat @@ -352,8 +364,8 @@ struct p9_qid { /** * struct p9_stat - file system metadata information * @size: length prefix for this stat structure instance - * @type: the type of the server (equivilent to a major number) - * @dev: the sub-type of the server (equivilent to a minor number) + * @type: the type of the server (equivalent to a major number) + * @dev: the sub-type of the server (equivalent to a minor number) * @qid: unique id from the server of type &p9_qid * @mode: Plan 9 format permissions of type &p9_perm_t * @atime: Last access/read time @@ -458,6 +470,48 @@ struct p9_iattr_dotl { u64 mtime_nsec; }; +#define P9_LOCK_SUCCESS 0 +#define P9_LOCK_BLOCKED 1 +#define P9_LOCK_ERROR 2 +#define P9_LOCK_GRACE 3 + +#define P9_LOCK_FLAGS_BLOCK 1 +#define P9_LOCK_FLAGS_RECLAIM 2 + +/* struct p9_flock: POSIX lock structure + * @type - type of lock + * @flags - lock flags + * @start - starting offset of the lock + * @length - number of bytes + * @proc_id - process id which wants to take lock + * @client_id - client id + */ + +struct p9_flock { + u8 type; + u32 flags; + u64 start; + u64 length; + u32 proc_id; + char *client_id; +}; + +/* struct p9_getlock: getlock structure + * @type - type of lock + * @start - starting offset of the lock + * @length - number of bytes + * @proc_id - process id which wants to take lock + * @client_id - client id + */ + +struct p9_getlock { + u8 type; + u64 start; + u64 length; + u32 proc_id; + char *client_id; +}; + /* Structures for Protocol Operations */ struct p9_tstatfs { u32 fid; @@ -634,7 +688,11 @@ struct p9_rwstat { * @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 + * @capacity: used by marshalling routines to track total malloc'd capacity + * @pubuf: Payload user buffer given by the caller + * @pubuf: Payload kernel buffer given by the caller + * @pbuf_size: pubuf/pkbuf(only one will be !NULL) size to be read/write. + * @private: For transport layer's use. * @sdata: payload * * &p9_fcall represents the structure for all 9P RPC @@ -651,6 +709,10 @@ struct p9_fcall { size_t offset; size_t capacity; + char __user *pubuf; + char *pkbuf; + size_t pbuf_size; + void *private; uint8_t *sdata; }; |