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Re: [libvirt] [PATCH 6/6] test: Implement virDomainPinVcpu



On Mon, Nov 02, 2009 at 03:02:47PM -0500, Cole Robinson wrote:
> 
> Signed-off-by: Cole Robinson <crobinso redhat com>
> ---
>  src/test/test_driver.c |   59 +++++++++++++++++++++++++++++++++++++++++++++++-
>  1 files changed, 58 insertions(+), 1 deletions(-)
> 
> diff --git a/src/test/test_driver.c b/src/test/test_driver.c
> index 5b871aa..6ea4aa9 100644
> --- a/src/test/test_driver.c
> +++ b/src/test/test_driver.c
> @@ -2093,6 +2093,63 @@ cleanup:
>      return ret;
>  }
>  
> +static int testDomainPinVcpu(virDomainPtr domain,
> +                             unsigned int vcpu,
> +                             unsigned char *cpumap,
> +                             int maplen)
> +{
> +    testConnPtr privconn = domain->conn->privateData;
> +    testDomainObjPrivatePtr privdomdata;
> +    virDomainObjPtr privdom;
> +    unsigned char *privcpumap;
> +    int i, maxcpu, hostcpus, privmaplen;
> +    int ret = -1;
> +
> +    testDriverLock(privconn);
> +    privdom = virDomainFindByName(&privconn->domains, domain->name);
> +    testDriverUnlock(privconn);
> +
> +    if (privdom == NULL) {
> +        testError(domain->conn, VIR_ERR_INVALID_ARG, __FUNCTION__);
> +        goto cleanup;
> +    }
> +
> +    if (!virDomainIsActive(privdom)) {
> +        testError(domain->conn, VIR_ERR_OPERATION_INVALID,
> +                  "%s",_("cannot pin vcpus on an inactive domain"));
> +        goto cleanup;
> +    }
> +
> +    if (vcpu > privdom->def->vcpus) {
> +        testError(domain->conn, VIR_ERR_INVALID_ARG, "%s",
> +                  _("requested vcpu is higher than allocated vcpus"));
> +        goto cleanup;
> +    }
> +
> +    privdomdata = privdom->privateData;
> +    hostcpus = VIR_NODEINFO_MAXCPUS(privconn->nodeInfo);
> +    privmaplen = VIR_CPU_MAPLEN(hostcpus);
> +
> +    maxcpu = maplen * 8;
> +    if (maxcpu > hostcpus)
> +        maxcpu = hostcpus;
> +
> +    privcpumap = VIR_GET_CPUMAP(privdomdata->cpumaps, privmaplen, vcpu);
> +    memset(privcpumap, 0, privmaplen);
> +
> +    for (i = 0 ; i < maxcpu ; i++) {
> +        if (VIR_CPU_USABLE(cpumap, maplen, 0, i)) {
> +            VIR_USE_CPU(privcpumap, i);
> +        }
> +    }
> +
> +    ret = 0;
> +cleanup:
> +    if (privdom)
> +        virDomainObjUnlock(privdom);
> +    return ret;
> +}
> +
>  static char *testDomainDumpXML(virDomainPtr domain, int flags)
>  {
>      testConnPtr privconn = domain->conn->privateData;
> @@ -4947,7 +5004,7 @@ static virDriver testDriver = {
>      testDomainRestore, /* domainRestore */
>      testDomainCoreDump, /* domainCoreDump */
>      testSetVcpus, /* domainSetVcpus */
> -    NULL, /* domainPinVcpu */
> +    testDomainPinVcpu, /* domainPinVcpu */
>      testDomainGetVcpus, /* domainGetVcpus */
>      testDomainGetMaxVcpus, /* domainGetMaxVcpus */
>      NULL, /* domainGetSecurityLabel */
> -- 

ACK

Daniel
-- 
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