[libvirt] [PATCH 3/4] tests: Prepare to have different usable GIC versions

[Cole Robinson]

On 05/10/2016 08:46 AM, Andrea Bolognani wrote:
> Now that we choose the GIC version based on hardware features when
> no <gic/> element has been provided, we need a way to fake the GIC
> capabilities of the host.
> 
> Update the qemuxml2argv and qemuxml2xml tests to allow this.
> ---
>  tests/qemuxml2argvtest.c |  77 ++++++++++++++++++-----
>  tests/qemuxml2xmltest.c  | 159 ++++++++++++++++++++++++++++-------------------
>  2 files changed, 159 insertions(+), 77 deletions(-)
> 
> diff --git a/tests/qemuxml2argvtest.c b/tests/qemuxml2argvtest.c
> index e41444d..b081634 100644
> --- a/tests/qemuxml2argvtest.c
> +++ b/tests/qemuxml2argvtest.c
> @@ -34,6 +34,13 @@
>  static const char *abs_top_srcdir;
>  static virQEMUDriver driver;
>  
> +enum {
> +    GIC_NONE = 0,
> +    GIC_V2,
> +    GIC_V3,
> +    GIC_BOTH,
> +};
> +
>  static unsigned char *
>  fakeSecretGetValue(virSecretPtr obj ATTRIBUTE_UNUSED,
>                     size_t *value_size,
> @@ -452,6 +459,49 @@ testAddCPUModels(virQEMUCapsPtr caps, bool skipLegacy)
>  
>  
>  static int
> +testPrepareExtraFlags(struct testInfo *info,
> +                      bool skipLegacyCPUs,
> +                      int gic)
> +{
> +    virGICCapability *gicCapabilities = NULL;
> +    size_t ngicCapabilities = 0;
> +    int ret = -1;
> +
> +    if (!(info->extraFlags = virQEMUCapsNew()))
> +        goto out;
> +
> +    if (testAddCPUModels(info->extraFlags, skipLegacyCPUs) < 0)
> +        goto out;
> +
> +    if (VIR_ALLOC_N(gicCapabilities, 2) < 0)
> +        goto out;
> +
> +# define IMPL_BOTH \
> +         VIR_GIC_IMPLEMENTATION_KERNEL|VIR_GIC_IMPLEMENTATION_EMULATED
> +
> +    if (gic & GIC_V2) {
> +        gicCapabilities[ngicCapabilities].version = VIR_GIC_VERSION_2;
> +        gicCapabilities[ngicCapabilities].implementation = IMPL_BOTH;
> +        ngicCapabilities++;
> +    }
> +    if (gic & GIC_V3) {
> +        gicCapabilities[ngicCapabilities].version = VIR_GIC_VERSION_3;
> +        gicCapabilities[ngicCapabilities].implementation = IMPL_BOTH;
> +        ngicCapabilities++;
> +    }
> +
> +# undef IMPL_BOTH
> +
> +    virQEMUCapsSetGICCapabilities(info->extraFlags,
> +                                  gicCapabilities, ngicCapabilities);
> +
> +    ret = 0;
> +
> + out:
> +    return ret;
> +}

Can this logic be shared in a testutilsqemu.c function, rather than duplicated
across both test files?

- Cole