Re: [libvirt PATCH 4/6] qemu: report new launch security parameters

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On Wed, Dec 08, 2021 at 18:44:32 +0000, Daniel P. Berrangé wrote:
> Signed-off-by: Daniel P. Berrangé <berrange@xxxxxxxxxx>
> ---

https://bugzilla.redhat.com/show_bug.cgi?id=2030435

Also a rather sparse commit message. For justification you can use what
you've put into the comment for the function calling query-sev.

>  src/qemu/qemu_driver.c | 41 +++++++++++++++++++++++++++++++++++------
>  1 file changed, 35 insertions(+), 6 deletions(-)
> 
> diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
> index 5bacf73003..e1296d3723 100644
> --- a/src/qemu/qemu_driver.c
> +++ b/src/qemu/qemu_driver.c
> @@ -19977,14 +19977,19 @@ qemuNodeGetSEVInfo(virConnectPtr conn,
>  
>  
>  static int
> -qemuDomainGetSEVMeasurement(virQEMUDriver *driver,
> -                            virDomainObj *vm,
> -                            virTypedParameterPtr *params,
> -                            int *nparams,
> -                            unsigned int flags)
> +qemuDomainGetSEVInfo(virQEMUDriver *driver,
> +                     virDomainObj *vm,
> +                     virTypedParameterPtr *params,
> +                     int *nparams,
> +                     unsigned int flags)
>  {
>      int ret = -1;
> +    int rv;
>      g_autofree char *tmp = NULL;
> +    unsigned int apiMajor = 0;
> +    unsigned int apiMinor = 0;
> +    unsigned int buildID = 0;
> +    unsigned int policy = 0;
>      int maxpar = 0;
>  
>      virCheckFlags(VIR_TYPED_PARAM_STRING_OKAY, -1);
> @@ -20006,10 +20011,34 @@ qemuDomainGetSEVMeasurement(virQEMUDriver *driver,
>      if (!tmp)
>          goto endjob;
>  
> +    qemuDomainObjEnterMonitor(driver, vm);
> +    rv = qemuMonitorGetSEVInfo(QEMU_DOMAIN_PRIVATE(vm)->mon,
> +                               &apiMajor, &apiMinor, &buildID, &policy);
> +    qemuDomainObjExitMonitor(driver, vm);

You don't have to enter monitor twice to do two calls.

> +
> +    if (rv < 0)
> +        goto endjob;
> +
>      if (virTypedParamsAddString(params, nparams, &maxpar,
>                                  VIR_DOMAIN_LAUNCH_SECURITY_SEV_MEASUREMENT,
>                                  tmp) < 0)

Once you merge the monitor blocks:

Reviewed-by: Peter Krempa <pkrempa@xxxxxxxxxx>




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