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authorLuiz Capitulino <lcapitulino@redhat.com>2011-07-12 17:35:08 -0300
committerKevin Wolf <kwolf@redhat.com>2011-07-19 15:39:05 +0200
commitae73e5919a75622d2c029d5a0e240115990fb735 (patch)
tree483b6f96dbf6bad4d4e4f339cf7dda13f39b099d /qemu-options.hx
parent3e1c0c9a4bbaf90a96b14efb771d766fdd091b38 (diff)
qemu-options.hx: Document missing -drive options
They are 'werror', 'rerror' and 'readonly'. Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'qemu-options.hx')
-rw-r--r--qemu-options.hx8
1 files changed, 8 insertions, 0 deletions
diff --git a/qemu-options.hx b/qemu-options.hx
index e6d7adc3af..64114dd448 100644
--- a/qemu-options.hx
+++ b/qemu-options.hx
@@ -160,6 +160,14 @@ an untrusted format header.
This option specifies the serial number to assign to the device.
@item addr=@var{addr}
Specify the controller's PCI address (if=virtio only).
+@item werror=@var{action},rerror=@var{action}
+Specify which @var{action} to take on write and read errors. Valid actions are:
+"ignore" (ignore the error and try to continue), "stop" (pause QEMU),
+"report" (report the error to the guest), "enospc" (pause QEMU only if the
+host disk is full; report the error to the guest otherwise).
+The default setting is @option{werror=enospc} and @option{rerror=report}.
+@item readonly
+Open drive @option{file} as read-only. Guest write attempts will fail.
@end table
By default, writethrough caching is used for all block device. This means that