diff options
Diffstat (limited to 'lib9p/idl/2010-9P2000.L.9p')
| -rw-r--r-- | lib9p/idl/2010-9P2000.L.9p | 222 |
1 files changed, 173 insertions, 49 deletions
diff --git a/lib9p/idl/2010-9P2000.L.9p b/lib9p/idl/2010-9P2000.L.9p index e21d411..7ac86a6 100644 --- a/lib9p/idl/2010-9P2000.L.9p +++ b/lib9p/idl/2010-9P2000.L.9p @@ -5,82 +5,206 @@ # "9P2000.L" Linux extension # https://github.com/chaos/diod/blob/master/protocol.md +# https://github.com/chaos/diod/blob/master/src/libnpfs/protocol.h version "9P2000.L" from ./2002-9P2000.9p import tag, fid, s, qt, qid from ./2002-9P2000.9p import Rerror from ./2002-9P2000.9p import Tversion, Rversion, Tflush, Rflush, Twalk, Rwalk, Tread, Rread, Twrite, Rwrite, Tclunk, Rclunk, Tremove, Rremove -from ./2005-9P2000.u.9p import nuid, Tauth, Rauth, Tattach, Rattach +from ./2005-9P2000.u.9p import nuid, errno, Tauth, Rauth, Tattach, Rattach + +#num errno += # TODO + +num super_magic = 4 + # See <linux/magic.h> (linux.git include/uapi/linux/magic.h). + # + # To quote `util-linux.git:include/statfs_magic.h`: + # "Unfortunately, Linux kernel header file <linux/magic.h> is + # incomplete mess and kernel returns by statfs f_type many numbers + # that are nowhere specified (in API)." + # + # util-linux <statfs_magic.h> is also incomplete. As is the + # statfs(2) man-page. + # + # I'm working on a patchset to the kernel to get <linux/magic.h> + # to be complete, but in the mean-time I'm just not going to + # bother with putting a list here. + # + # TODO + "V9FS_MAGIC=0x01021997" + +# "L"inux "O"pen flags (flags to pass to Tlopen and Tlcreate) +# +# The values are not specified in in protocol.md, but are specified in +# protocol.h (and are different than the Linux kernel's values, which +# vary by architecture). +bitfield lo = 4 + "0=subfield(mode)" # low bit of the 2-bit RDONLY/WRONLY/RDWR/NOACCESS enum + "1=subfield(mode)" # high bit of the 2-bit RDONLY/WRONLY/RDWR/NOACCESS enum + #"2=unused" + #"3=unused" + #"4=unused" + #"5=unused" + "6=CREATE" + "7=EXCL" + "8=NOCTTY" + "9=TRUNC" + "10=APPEND" + "11=NONBLOCK" + "12=DSYNC" + "13=BSD_FASYNC" + "14=DIRECT" + "15=LARGEFILE" + "16=DIRECTORY" + "17=NOFOLLOW" + "18=NOATIME" + "19=CLOEXEC" + "20=SYNC" + + "RDONLY = 0" + "WRONLY = 1" + "RDWR = 2" + "NOACCESS = 3" + + "MODE_MASK = 0b000000000000000000011" + "FLAG_MASK = 0b111111111111111000000" + +# "D"irentry "T"ype +# +# These match the Linux kernel's values. +num dt = 1 + "UNKNOWN = 0" + "NAMED_PIPE = 1" + "CHAR_DEV = 2" + "DIRECTORY = 4" + "BLOCK_DEV = 6" + "REGULAR = 8" + "SYMLINK = 10" + "SOCKET = 12" + "WHITEOUT = 14" + +# Mode +# +# These match the Linux kernel's values. Why is this 32-bits wide +# instead of just 16? Who knows? +bitfield mode = 4 + #... + "15=subfield(fmt)" # bit of the 4-bit FMT_ enum + "14=subfield(fmt)" # bit of the 4-bit FMT_ enum + "13=subfield(fmt)" # bit of the 4-bit FMT_ enum + "12=subfield(fmt)" # bit of the 4-bit FMT_ enum + #... + "11=PERM_SETGROUP" + "10=PERM_SETUSER" + "9=PERM_STICKY" + "8=PERM_OWNER_R" + "7=PERM_OWNER_W" + "6=PERM_OWNER_X" + "5=PERM_GROUP_R" + "4=PERM_GROUP_W" + "3=PERM_GROUP_X" + "2=PERM_OTHER_R" + "1=PERM_OTHER_W" + "0=PERM_OTHER_X" + + "FMT_NAMED_PIPE = LIB9P_DT_NAMED_PIPE<<12" + "FMT_CHAR_DEV = LIB9P_DT_CHAR_DEV<<12" + "FMT_DIRECTORY = LIB9P_DT_DIRECTORY<<12" + "FMT_BLOCK_DEV = LIB9P_DT_BLOCK_DEV<<12" + "FMT_REGULAR = LIB9P_DT_REGULAR<<12" + "FMT_SYMLINK = LIB9P_DT_SYMLINK<<12" + "FMT_SOCKET = LIB9P_DT_SOCKET<<12" + + "PERM_MASK = 0000777" # PERM_* + "FMT_MASK = 0170000" # _fmt_* + +# A boolean value that is for some reason 4 bytes wide. +num b4 = 4 + "FALSE=0" + "TRUE=1" + # all other values are true also bitfield getattr = 8 - "0=MODE" - "1=NLINK" - "2=UID" - "3=GID" - "4=RDEV" - "5=ATIME" - "6=MTIME" - "7=CTIME" - "8=INO" - "9=SIZE" - "10=BLOCKS" - - "11=BTIME" - "12=GEN" - "13=DATA_VERSION" - - "BASIC=0x000007ff" # Mask for fields up to BLOCKS - "ALL =0x00003fff" # Mask for All fields above + "0=MODE" + "1=NLINK" + "2=UID" + "3=GID" + "4=RDEV" + "5=ATIME" + "6=MTIME" + "7=CTIME" + "8=INO" + "9=SIZE" + "10=BLOCKS" + + "11=BTIME" + "12=GEN" + "13=DATA_VERSION" + + "BASIC=0x000007ff" # Mask for fields up to BLOCKS + "ALL =0x00003fff" # Mask for All fields above bitfield setattr = 4 - "0=MODE" - "1=UID" - "2=GID" - "3=SIZE" - "4=ATIME" - "5=MTIME" - "6=CTIME" - "7=ATIME_SET" - "8=MTIME_SET" + "0=MODE" + "1=UID" + "2=GID" + "3=SIZE" + "4=ATIME" + "5=MTIME" + "6=CTIME" + "7=ATIME_SET" + "8=MTIME_SET" num lock_type = 1 - "RDLCK=0" - "WRLCK=1" - "UNLCK=2" + "RDLCK=0" + "WRLCK=1" + "UNLCK=2" bitfield lock_flags = 4 - "0=BLOCK" - "1=RECLAIM" + "0=BLOCK" + "1=RECLAIM" num lock_status = 1 - "SUCCESS=0" - "BLOCKED=1" - "ERROR=2" - "GRACE=3" + "SUCCESS=0" + "BLOCKED=1" + "ERROR=2" + "GRACE=3" #msg Tlerror = "size[4,val=end-&size] typ[1,val=6] tag[tag] illegal" # analogous to 106/Terror -msg Rlerror = "size[4,val=end-&size] typ[1,val=7] tag[tag] ecode[4]" # analogous to 107/Rerror +msg Rlerror = "size[4,val=end-&size] typ[1,val=7] tag[tag] ecode[errno]" # analogous to 107/Rerror msg Tstatfs = "size[4,val=end-&size] typ[1,val=8] tag[tag] fid[fid]" -msg Rstatfs = "size[4,val=end-&size] typ[1,val=9] tag[tag] type[4] bsize[4] blocks[8] bfree[8] bavail[8] files[8] ffree[8] fsid[8] namelen[4]" -msg Tlopen = "size[4,val=end-&size] typ[1,val=12] tag[tag] fid[fid] flags[4]" # analogous to 112/Topen +msg Rstatfs = "size[4,val=end-&size] typ[1,val=9] tag[tag]" # Description | statfs | statvfs + "type[super_magic]" # Type of filesystem | f_type | - + "bsize[4]" # Block size in bytes | f_bsize | f_bsize + # - # Fragment size in bytes | f_frsize (since Linux 2.6) | f_frsize + "blocks[8]" # Size of FS in f_frsize units | f_blocks | f_blocks + "bfree[8]" # Number of free blocks | f_bfree | f_bfree + "bavail[8]" # Number of free blocks for unprivileged users | f_bavail | b_avail + "files[8]" # Number of inodes | f_files | f_files + "ffree[8]" # Number of free inodes | f_ffree | f_ffree + # - # Number of free inodes for unprivileged users | - | f_favail + "fsid[8]" # Filesystem instance ID | f_fsid | f_fsid + # - # Mount flags | f_flags (since Linux 2.6.36) | f_flag + "namelen[4]" # Maximum filename length | f_namemax | f_namemax +msg Tlopen = "size[4,val=end-&size] typ[1,val=12] tag[tag] fid[fid] flags[lo]" # analogous to 112/Topen msg Rlopen = "size[4,val=end-&size] typ[1,val=13] tag[tag] qid[qid] iounit[4]" # analogous to 113/Ropen -msg Tlcreate = "size[4,val=end-&size] typ[1,val=14] tag[tag] fid[fid] name[s] flags[4] mode[4] gid[nuid]" # analogous to 114/Tcreate +msg Tlcreate = "size[4,val=end-&size] typ[1,val=14] tag[tag] fid[fid] name[s] flags[lo] mode[mode] gid[nuid]" # analogous to 114/Tcreate msg Rlcreate = "size[4,val=end-&size] typ[1,val=15] tag[tag] qid[qid] iounit[4]" # analogous to 115/Rcreate msg Tsymlink = "size[4,val=end-&size] typ[1,val=16] tag[tag] fid[fid] name[s] symtgt[s] gid[nuid]" msg Rsymlink = "size[4,val=end-&size] typ[1,val=17] tag[tag] qid[qid]" -msg Tmknod = "size[4,val=end-&size] typ[1,val=18] tag[tag] dfid[fid] name[s] mode[4] major[4] minor[4] gid[nuid]" +msg Tmknod = "size[4,val=end-&size] typ[1,val=18] tag[tag] dfid[fid] name[s] mode[mode] major[4] minor[4] gid[nuid]" msg Rmknod = "size[4,val=end-&size] typ[1,val=19] tag[tag] qid[qid]" msg Trename = "size[4,val=end-&size] typ[1,val=20] tag[tag] fid[fid] dfid[fid] name[s]" msg Rrename = "size[4,val=end-&size] typ[1,val=21] tag[tag]" msg Treadlink = "size[4,val=end-&size] typ[1,val=22] tag[tag] fid[fid]" msg Rreadlink = "size[4,val=end-&size] typ[1,val=23] tag[tag] target[s]" msg Tgetattr = "size[4,val=end-&size] typ[1,val=24] tag[tag] fid[fid] request_mask[getattr]" -msg Rgetattr = "size[4,val=end-&size] typ[1,val=25] tag[tag] valid[8] qid[qid] mode[4] uid[nuid] gid[nuid] nlink[8]" +msg Rgetattr = "size[4,val=end-&size] typ[1,val=25] tag[tag] valid[getattr] qid[qid] mode[mode] uid[nuid] gid[nuid] nlink[8]" "rdev[8] filesize[8] blksize[8] blocks[8]" "atime_sec[8] atime_nsec[8] mtime_sec[8] mtime_nsec[8]" "ctime_sec[8] ctime_nsec[8] btime_sec[8] btime_nsec[8]" "gen[8] data_version[8]" -msg Tsetattr = "size[4,val=end-&size] typ[1,val=26] tag[tag] fid[fid] valid[setattr] mode[4] uid[nuid] gid[nuid] filesize[8] atime_sec[8] atime_nsec[8] mtime_sec[8] mtime_nsec[8]" +msg Tsetattr = "size[4,val=end-&size] typ[1,val=26] tag[tag] fid[fid] valid[setattr] mode[mode] uid[nuid] gid[nuid] filesize[8] atime_sec[8] atime_nsec[8] mtime_sec[8] mtime_nsec[8]" msg Rsetattr = "size[4,val=end-&size] typ[1,val=27] tag[tag]" #... msg Txattrwalk = "size[4,val=end-&size] typ[1,val=30] tag[tag] fid[fid] newfid[fid] name[s]" @@ -89,18 +213,18 @@ msg Txattrcreate = "size[4,val=end-&size] typ[1,val=32] tag[tag] fid[fid] name[s msg Rxattrcreate = "size[4,val=end-&size] typ[1,val=33] tag[tag]" #... msg Treaddir = "size[4,val=end-&size] typ[1,val=40] tag[tag] fid[fid] offset[8] count[4]" -msg Rreaddir = "size[4,val=end-&size] typ[1,val=41] tag[tag] count[4] count*(data[1])" # data is "qid[qid] offset[8] type[1] name[s]" +msg Rreaddir = "size[4,val=end-&size] typ[1,val=41] tag[tag] count[4] count*(data[1])" # data is "qid[qid] offset[8] type[dt] name[s]" #... -msg Tfsync = "size[4,val=end-&size] typ[1,val=50] tag[tag] fid[fid] datasync[4]" +msg Tfsync = "size[4,val=end-&size] typ[1,val=50] tag[tag] fid[fid] datasync[b4]" msg Rfsync = "size[4,val=end-&size] typ[1,val=51] tag[tag]" msg Tlock = "size[4,val=end-&size] typ[1,val=52] tag[tag] fid[fid] type[lock_type] flags[lock_flags] start[8] length[8] proc_id[4] client_id[s]" msg Rlock = "size[4,val=end-&size] typ[1,val=53] tag[tag] status[lock_status]" -msg Tgetlock = "size[4,val=end-&size] typ[1,val=54] tag[tag] fid[fid] type[1] start[8] length[8] proc_id[4] client_id[s]" -msg Rgetlock = "size[4,val=end-&size] typ[1,val=55] tag[tag] type[1] start[8] length[8] proc_id[4] client_id[s]" +msg Tgetlock = "size[4,val=end-&size] typ[1,val=54] tag[tag] fid[fid] type[lock_type] start[8] length[8] proc_id[4] client_id[s]" +msg Rgetlock = "size[4,val=end-&size] typ[1,val=55] tag[tag] type[lock_type] start[8] length[8] proc_id[4] client_id[s]" # ... msg Tlink = "size[4,val=end-&size] typ[1,val=70] tag[tag] dfid[fid] fid[fid] name[s]" msg Rlink = "size[4,val=end-&size] typ[1,val=71] tag[tag]" -msg Tmkdir = "size[4,val=end-&size] typ[1,val=72] tag[tag] dfid[fid] name[s] mode[4] gid[nuid]" +msg Tmkdir = "size[4,val=end-&size] typ[1,val=72] tag[tag] dfid[fid] name[s] mode[mode] gid[nuid]" msg Rmkdir = "size[4,val=end-&size] typ[1,val=73] tag[tag] qid[qid]" msg Trenameat = "size[4,val=end-&size] typ[1,val=74] tag[tag] olddirfid[fid] oldname[s] newdirfid[fid] newname[s]" msg Rrenameat = "size[4,val=end-&size] typ[1,val=75] tag[tag]" |