[libvirt] [PATCH 1/8] latency: Define new public API and structure

[Eric Blake]

On 09/02/2011 04:06 AM, Daniel Veillard wrote:
> On Wed, Aug 31, 2011 at 04:26:06PM +0800, Osier Yang wrote:
>> ---
>>   include/libvirt/libvirt.h.in |  111 ++++++++++++++++++++++++++++++++++++++++++
>>   src/libvirt_public.syms      |    5 ++
>>   2 files changed, 116 insertions(+), 0 deletions(-)
>>
>> +/**
>> + * virDomainBlockStatsFlagsStruct:
>> + *
>> + * Struct filled by virDomainBlockStatsFlags() providing information
>> + * about the block device.
>> + *
>> + * Hypervisors may return a field set to ((long long)-1) which indicates
>> + * that the hypervisor does not support that statistic.
>> + *
>> + * NB. Here 'long long' means 64 bit integer.
>> + */
>> +typedef struct _virDomainBlockStatsFlags virDomainBlockStatsFlagsStruct;
>> +
>> +struct _virDomainBlockStatsFlags {
>> +    char field[VIR_DOMAIN_BLOCK_STATS_FIELD_LENGTH];
>> +    long long value;
>> +};

Are we positive that all useful block stats will always be in long long 
format, or should we reuse virTypedParameter here to also allow other 
typed objects in the future?

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