Re: [RFC PATCH 1/7] [hyper-v] Add hyper-v parameters block.

Paolo Bonzini
2011-10-11T07:35:31Z

On 10/09/2011 08:52 PM, Vadim Rozenfeld wrote:
> ---
> qemu-options.hx | 23 +++++++++++++++++++++++
> vl.c | 2 ++
> 2 files changed, 25 insertions(+), 0 deletions(-)
>
> diff --git a/qemu-options.hx b/qemu-options.hx
> index 3a13533..9f60059 100644
> --- a/qemu-options.hx
> +++ b/qemu-options.hx
> @@ -2483,6 +2483,29 @@ DEF("kvm-shadow-memory", HAS_ARG, QEMU_OPTION_kvm_shadow_memory,
> " allocate MEGABYTES for kvm mmu shadowing\n",
> QEMU_ARCH_I386)
>
> +DEF("hyperv", HAS_ARG, QEMU_OPTION_hyperv,
> + "-hyperv [vapic=on|off][,spinlock=retries][,wd=on|off]\n"
> + " enable Hyper-V Enlightenment\n",
> + QEMU_ARCH_ALL)
> +STEXI
> +@item -hyperv
> +@findex -hyperv
> +@item vapic=@var{vapic}
> +@var{vapic} is "on" or "off" and allows for using virtual APIC.
> +Default is "off".
> +@findex vapic
> +@item spinlock=@var{spinlock}
> +@var{spinlock} is a recommended number of attempts to retry
> +a spinlock failure befor notifying the hypervisor.
> +Default is 0xFFFFFFFF (never to retry).
> +@findex spinlock
> +:@item wd=@var{wd}
> +@var{wd} is "on" or "off" and recommends using relaxed timing.
> +Default is "off"
> +@findex wd
> +Simulate Hyper-V Enlightenment. Disable by default.
> +ETEXI
> +
> HXCOMM This is the last statement. Insert new options before this line!
> STEXI
> @end table
> diff --git a/vl.c b/vl.c
> index b0358e9..a6d1fc0 100644
> --- a/vl.c
> +++ b/vl.c
> @@ -3185,6 +3185,8 @@ int main(int argc, char **argv, char **envp)
> fclose(fp);
> break;
> }
> + case QEMU_OPTION_hyperv:
> + break;
> default:
> os_parse_cmd_args(popt->index, optarg);
> }

I think these could be sub-options of -machine.

Paolo