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-# 9P2000.txt - Definitions of 9P2000 messages
-#
-# Copyright (C) 2024 Luke T. Shumaker <lukeshu@lukeshu.com>
-# SPDX-Licence-Identifier: AGPL-3.0-or-later
-
-# The format of each message (excluding the "size[4] msg_type[1]
-# tag[2]" header) is written here as a sequence of
-# "member_name[member_type]" struct members.
-#
-# The primitive member types types are the following single-character
-# mnemonics:
-#
-# - 1 = u8
-# - 2 = u16le
-# - 4 = u32le
-# - 8 = u16le
-
-# "9P2000" base protocol
-# https://ericvh.github.io/9p-rfc/rfc9p2000.html
-# https://github.com/ericvh/9p-rfc/blob/master/9p2000.xml
-#
-# But due to incompleteness of the draft RFC, the Plan 9 manual
-# section-5 and the Plan 9 headers (particularly fcall.h) are a better
-# references.
-version "9P2000"
-
-# data (u32le `n`, then `n` bytes of data)
-d = "len[4] len*(dat[1])"
-
-# string (u16le `n`, then `n` bytes of UTF-8)
-s = "len[2] len*(utf8[1])"
-
-# qid (TODO)
-qid = "type[1] vers[4] path[8]"
-
-# stat (TODO)
-stat = "stat_size[2]"
- "kern_type[2]"
- "kern_dev[4]"
- "file_qid[qid]"
- "file_mode[4]"
- "file_atime[4]"
- "file_mtime[4]"
- "file_size[8]"
- "file_name[s]"
- "file_owner_uid[s]"
- "file_owner_gid[s]"
- "file_last_modified_uid[s]"
-
-# In the 9P protocol, each message has a type, and message types come
-# in pairs (except "Rerror"); "T" and "R"; "T" messages are
-# client->server requests, and "R" messages are server->client
-# responses (I do not know what the Plan 9 designers intended "T" and
-# "R" to stand for). The type of a message is represented by a u8 ID.
-100/Tversion = "max_msg_size[4] version[s]"
-101/Rversion = "max_msg_size[4] version[s]"
-102/Tauth = "afid[4] uname[s] aname[s]"
-103/Rauth = "aqid[qid]"
-104/Tattach = "fid[4] afid[4] uname[s] aname[s]"
-105/Rattach = "qid[qid]"
-#106/Terror = "illegal"
-107/Rerror = "ename[s]"
-108/Tflush = "oldtag[2]"
-109/Rflush = ""
-110/Twalk = "fid[4] newfid[4] nwname[2] nwname*(wname[s])"
-111/Rwalk = "nwqid[2] nwqid*(wqid[qid])"
-112/Topen = "fid[4] mode[1]"
-113/Ropen = "qid[qid] iounit[4]"
-114/Tcreate = "fid[4] name[s] perm[4] mode[1]"
-115/Rcreate = "qid[qid] iounit[4]"
-116/Tread = "fid[4] offset[8] count[4]"
-117/Rread = "data[d]" # for directories data is the sequence "cnt*(entries[stat])"
-118/Twrite = "fid[4] offset[8] data[d]"
-119/Rwrite = "count[4]"
-120/Tclunk = "fid[4]"
-121/Rclunk = ""
-122/Tremove = "fid[4]"
-123/Rremove = ""
-124/Tstat = "fid[4]"
-125/Rstat = "stat[stat]"
-126/Twstat = "fid[4] stat[stat]"
-127/Rwstat = ""