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hw/9pfs: Documentation changes related to proxy fs

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Signed-off-by: M. Mohan Kumar <mohan@in.ibm.com>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
This commit is contained in:
M. Mohan Kumar 2011-12-14 13:58:46 +05:30 committed by Aneesh Kumar K.V
parent d090e452d4
commit f67e3ffd34
1 changed files with 16 additions and 9 deletions
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25
qemu-options.hx
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@ -551,19 +551,19 @@ DEFHEADING()
DEFHEADING(File system options:)
DEF("fsdev", HAS_ARG, QEMU_OPTION_fsdev,
"-fsdev fsdriver,id=id,path=path,[security_model={mapped|passthrough|none}]\n"
" [,writeout=immediate][,readonly]\n",
"-fsdev fsdriver,id=id[,path=path,][security_model={mapped|passthrough|none}]\n"
" [,writeout=immediate][,readonly][,sock_fd=sock_fd]\n",
QEMU_ARCH_ALL)
STEXI
@item -fsdev @var{fsdriver},id=@var{id},path=@var{path},[security_model=@var{security_model}][,writeout=@var{writeout}][,readonly]
@item -fsdev @var{fsdriver},id=@var{id},path=@var{path},[security_model=@var{security_model}][,writeout=@var{writeout}][,readonly][,sock_fd=@var{sock_fd}]
@findex -fsdev
Define a new file system device. Valid options are:
@table @option
@item @var{fsdriver}
This option specifies the fs driver backend to use.
Currently "local" and "handle" file system drivers are supported.
Currently "local", "handle" and "proxy" file system drivers are supported.
@item id=@var{id}
Specifies identifier for this device
@item path=@var{path}
@ -580,7 +580,7 @@ file attributes. Directories exported by this security model cannot
interact with other unix tools. "none" security model is same as
passthrough except the sever won't report failures if it fails to
set file attributes like ownership. Security model is mandatory
only for local fsdriver. Other fsdrivers (like handle) don't take
only for local fsdriver. Other fsdrivers (like handle, proxy) don't take
security model as a parameter.
@item writeout=@var{writeout}
This is an optional argument. The only supported value is "immediate".
@ -590,6 +590,10 @@ reported as written by the storage subsystem.
@item readonly
Enables exporting 9p share as a readonly mount for guests. By default
read-write access is given.
@item sock_fd=@var{sock_fd}
Enables proxy filesystem driver to use passed socket descriptor for
communicating with virtfs-proxy-helper. Usually a helper like libvirt
will create socketpair and pass one of the fds as sock_fd
@end table
-fsdev option is used along with -device driver "virtio-9p-pci".
@ -610,19 +614,19 @@ DEFHEADING(Virtual File system pass-through options:)
DEF("virtfs", HAS_ARG, QEMU_OPTION_virtfs,
"-virtfs local,path=path,mount_tag=tag,security_model=[mapped|passthrough|none]\n"
" [,writeout=immediate][,readonly]\n",
" [,writeout=immediate][,readonly][,sock_fd=sock_fd]\n",
QEMU_ARCH_ALL)
STEXI
@item -virtfs @var{fsdriver},path=@var{path},mount_tag=@var{mount_tag},security_model=@var{security_model}[,writeout=@var{writeout}][,readonly]
@item -virtfs @var{fsdriver}[,path=@var{path}],mount_tag=@var{mount_tag}[,security_model=@var{security_model}][,writeout=@var{writeout}][,readonly][,sock_fd=@var{sock_fd}]
@findex -virtfs
The general form of a Virtual File system pass-through options are:
@table @option
@item @var{fsdriver}
This option specifies the fs driver backend to use.
Currently "local" and "handle" file system drivers are supported.
Currently "local", "handle" and "proxy" file system drivers are supported.
@item id=@var{id}
Specifies identifier for this device
@item path=@var{path}
@ -639,7 +643,7 @@ file attributes. Directories exported by this security model cannot
interact with other unix tools. "none" security model is same as
passthrough except the sever won't report failures if it fails to
set file attributes like ownership. Security model is mandatory only
for local fsdriver. Other fsdrivers (like handle) don't take security
for local fsdriver. Other fsdrivers (like handle, proxy) don't take security
model as a parameter.
@item writeout=@var{writeout}
This is an optional argument. The only supported value is "immediate".
@ -649,6 +653,9 @@ reported as written by the storage subsystem.
@item readonly
Enables exporting 9p share as a readonly mount for guests. By default
read-write access is given.
@item sock_fd
Enables proxy filesystem driver to use passed 'sock_fd' as the socket
descriptor for interfacing with virtfs-proxy-helper
@end table
ETEXI