diff options
Diffstat (limited to 'qemu-options.hx')
| -rw-r--r-- | qemu-options.hx | 26 |
1 files changed, 17 insertions, 9 deletions
diff --git a/qemu-options.hx b/qemu-options.hx index 289ddcb944..bf1683e5b4 100644 --- a/qemu-options.hx +++ b/qemu-options.hx @@ -3153,7 +3153,7 @@ when the shift value is high (how high depends on the host machine). ETEXI DEF("watchdog", HAS_ARG, QEMU_OPTION_watchdog, \ - "-watchdog i6300esb|ib700\n" \ + "-watchdog model\n" \ " enable virtual hardware watchdog [default=none]\n", QEMU_ARCH_ALL) STEXI @@ -3161,16 +3161,24 @@ STEXI @findex -watchdog Create a virtual hardware watchdog device. Once enabled (by a guest action), the watchdog must be periodically polled by an agent inside -the guest or else the guest will be restarted. +the guest or else the guest will be restarted. Choose a model for +which your guest has drivers. -The @var{model} is the model of hardware watchdog to emulate. Choices -for model are: @code{ib700} (iBASE 700) which is a very simple ISA -watchdog with a single timer, or @code{i6300esb} (Intel 6300ESB I/O -controller hub) which is a much more featureful PCI-based dual-timer -watchdog. Choose a model for which your guest has drivers. - -Use @code{-watchdog help} to list available hardware models. Only one +The @var{model} is the model of hardware watchdog to emulate. Use +@code{-watchdog help} to list available hardware models. Only one watchdog can be enabled for a guest. + +The following models may be available: +@table @option +@item ib700 +iBASE 700 is a very simple ISA watchdog with a single timer. +@item i6300esb +Intel 6300ESB I/O controller hub is a much more featureful PCI-based +dual-timer watchdog. +@item diag288 +A virtual watchdog for s390x backed by the diagnose 288 hypercall +(currently KVM only). +@end table ETEXI DEF("watchdog-action", HAS_ARG, QEMU_OPTION_watchdog_action, \ |