diff options
| author | M. Mohan Kumar <mohan@in.ibm.com> | 2011-10-25 12:10:39 +0530 |
|---|---|---|
| committer | Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> | 2011-10-31 12:34:17 +0530 |
| commit | 2c74c2cb4bedddbfa67628fbd5f9273b4e0e9903 (patch) | |
| tree | 308232ce3bd97b8e9641c88b396ed3e9c5009d90 /qemu-options.hx | |
| parent | f02b77c9bfc5c3ac93a89026f8c1d320f61f02c9 (diff) | |
hw/9pfs: Read-only support for 9p export
A new fsdev parameter "readonly" is introduced to control accessing 9p export.
"readonly" can be used to specify the access type. By default "rw" access
is given to 9p export.
Signed-off-by: M. Mohan Kumar <mohan@in.ibm.com>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Diffstat (limited to 'qemu-options.hx')
| -rw-r--r-- | qemu-options.hx | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/qemu-options.hx b/qemu-options.hx index 5d2a7765e..1baa381ab 100644 --- a/qemu-options.hx +++ b/qemu-options.hx @@ -528,12 +528,12 @@ 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]\n", + " [,writeout=immediate][,readonly]\n", QEMU_ARCH_ALL) STEXI -@item -fsdev @var{fsdriver},id=@var{id},path=@var{path},[security_model=@var{security_model}][,writeout=@var{writeout}] +@item -fsdev @var{fsdriver},id=@var{id},path=@var{path},[security_model=@var{security_model}][,writeout=@var{writeout}][,readonly] @findex -fsdev Define a new file system device. Valid options are: @table @option @@ -563,6 +563,9 @@ This is an optional argument. The only supported value is "immediate". This means that host page cache will be used to read and write data but write notification will be sent to the guest only when the data has been 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. @end table -fsdev option is used along with -device driver "virtio-9p-pci". @@ -583,12 +586,12 @@ 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]\n", + " [,writeout=immediate][,readonly]\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}] +@item -virtfs @var{fsdriver},path=@var{path},mount_tag=@var{mount_tag},security_model=@var{security_model}[,writeout=@var{writeout}][,readonly] @findex -virtfs The general form of a Virtual File system pass-through options are: @@ -619,6 +622,9 @@ This is an optional argument. The only supported value is "immediate". This means that host page cache will be used to read and write data but write notification will be sent to the guest only when the data has been 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. @end table ETEXI |