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Revision c18e2f94

IDc18e2f9431dab6ae02195e3b4b8ba61d0dbd2cb8

Added by Sripathi Kodi about 11 years ago

[V4] virtio-9p: readdir implementation for 9p2000.L

This patch implements the server part of readdir() implementation for
9p2000.L

SYNOPSIS
size[4] Treaddir tag[2] fid[4] offset[8] count[4]
size[4] Rreaddir tag[2] count[4] data[count]
DESCRIPTION
The readdir request asks the server to read the directory specified by 'fid'
at an offset specified by 'offset' and return as many dirent structures as
possible that fit into count bytes. Each dirent structure is laid out as
follows.
qid.type[1]
the type of the file (directory, etc.), represented as a bit
vector corresponding to the high 8 bits of the file's mode
word.
qid.vers[4]
version number for given path
qid.path[8]
the file server's unique identification for the file
offset[8]
offset into the next dirent.
type[1]
type of this directory entry.
name[256]
name of this directory entry.

Signed-off-by: Sripathi Kodi <>
Reviewed-by: M. Mohan Kumar <>
Signed-off-by: Venkateswararao Jujjuri <>

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