[libvirt] [PATCH 3/3] CPU: Implement cpuUpdate to support host-model

From: Li Zhang <zhlcindy(a)linux.vnet.ibm.com&gt; Applications on PPC platform wants to support host-model for users Signed-off-by: Li Zhang <zhlcindy(a)linux.vnet.ibm.com&gt; --- src/cpu/cpu_powerpc.c | 35 ++++++++++++++++++++++++++++++++--- 1 file changed, 32 insertions(+), 3 deletions(-) diff --git a/src/cpu/cpu_powerpc.c b/src/cpu/cpu_powerpc.c index 84fa3f7..e0dffde 100644 --- a/src/cpu/cpu_powerpc.c +++ b/src/cpu/cpu_powerpc.c @@ -525,10 +525,39 @@ ppcGuestData(virCPUDefPtr host, } static int -ppcUpdate(virCPUDefPtr guest ATTRIBUTE_UNUSED, - const virCPUDefPtr host ATTRIBUTE_UNUSED) +ppcUpdateHostModel(virCPUDefPtr guest, + const virCPUDefPtr host) { - return 0; + guest->match = VIR_CPU_MATCH_EXACT; + + virCPUDefFreeModel(guest); + if (virCPUDefCopyModel(guest, host, true) < 0) + return -1; + + return 0; +} + +static int +ppcUpdate(virCPUDefPtr guest, + const virCPUDefPtr host) +{ + switch ((enum virCPUMode) guest->mode) { + case VIR_CPU_MODE_HOST_MODEL: + return ppcUpdateHostModel(guest, host); + + case VIR_CPU_MODE_HOST_PASSTHROUGH: + guest->match = VIR_CPU_MATCH_MINIMUM; + virCPUDefFreeModel(guest); + return virCPUDefCopyModel(guest, host, true); + + case VIR_CPU_MODE_CUSTOM: + case VIR_CPU_MODE_LAST: + break; + } + + virReportError(VIR_ERR_INTERNAL_ERROR, + _("Unexpected CPU mode: %d"), guest->mode); + return -1; } static virCPUDefPtr -- 1.8.1.4