Re: [libvirt] [RFC v3] Export KVM Host Power Management capabilities

8 Aug 2011


      On 08/08/2011 10:18 AM, Eric Blake wrote:

Correction on my bitmask idea:
...
...
+ if(caps->host.isPMQuerySuccess) {
if (caps->host.powerMgmt) {
unsigned int pm = caps->host.powerMgmt;
virBufferAddLit(&xml, "<power_management>\n");
while (pm) {
int bit = ffs(pm) - 1;
virBufferAsprintf(&xml, "<%s/>\n",
virHostPMCapabilityTypeToString(bit);
pm &= ~bit;
pm &= ~(1U << bit);

-- 
Eric Blake   eblake@redhat.com    +1-801-349-2682
Libvirt virtualization library http://libvirt.org