Re: [PREPOST 06/17] src/xenxs:Refactor code parsing CPU config

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David Kiarie wrote:
> From: Kiarie Kahurani <davidkiarie4@xxxxxxxxx>
>
> Introduce xenParseXMCPUFeatures(.....);
> This function parses config related to CPU and power
> management
>
> signed-off-by:David Kiarie<davidkiarie4@xxxxxxxxx>
> ---
>  src/xenxs/xen_xm.c | 116 ++++++++++++++++++++++++++++-------------------------
>  1 file changed, 62 insertions(+), 54 deletions(-)
>
> diff --git a/src/xenxs/xen_xm.c b/src/xenxs/xen_xm.c
> index 7a5b47c..ebeeeb5 100644
> --- a/src/xenxs/xen_xm.c
> +++ b/src/xenxs/xen_xm.c
> @@ -625,6 +625,66 @@ xenParseXMPCI(virConfPtr conf, virDomainDefPtr def)
>  
>      return 0;
>  }
> +static int xenParseXMCPUFeatures(virConfPtr conf, virDomainDefPtr def)
> +{
> +    unsigned long count;
> +    const char *str;
> +    int val;
>   

The usual whitespace comments, but otherwise looks good.

Regards,
Jim

> +    if (xenXMConfigGetULong(conf, "vcpus", &count, 1) < 0 ||
> +        MAX_VIRT_CPUS < count)
> +        return -1;
> +    def->maxvcpus = count;
> +    if (xenXMConfigGetULong(conf, "vcpu_avail", &count, -1) < 0)
> +        return -1;
> +    def->vcpus = MIN(count_one_bits_l(count), def->maxvcpus);
> +
> +    if (xenXMConfigGetString(conf, "cpus", &str, NULL) < 0)
> +        return -1;
> +    if (str && (virBitmapParse(str, 0, &def->cpumask, 4096) < 0))
> +            return -1;
> +
> +    if (STREQ(def->os.type, "hvm")) {
> +        if (xenXMConfigGetBool(conf, "pae", &val, 0) < 0)
> +            return -1;
> +        else if (val)
> +            def->features[VIR_DOMAIN_FEATURE_PAE] = VIR_DOMAIN_FEATURE_STATE_ON;
> +        if (xenXMConfigGetBool(conf, "acpi", &val, 0) < 0)
> +            return -1;
> +        else if (val)
> +            def->features[VIR_DOMAIN_FEATURE_ACPI] = VIR_DOMAIN_FEATURE_STATE_ON;
> +        if (xenXMConfigGetBool(conf, "apic", &val, 0) < 0)
> +            return -1;
> +        else if (val)
> +            def->features[VIR_DOMAIN_FEATURE_APIC] = VIR_DOMAIN_FEATURE_STATE_ON;
> +        if (xenXMConfigGetBool(conf, "hap", &val, 0) < 0)
> +            return -1;
> +        else if (val)
> +            def->features[VIR_DOMAIN_FEATURE_HAP] = VIR_DOMAIN_FEATURE_STATE_ON;
> +        if (xenXMConfigGetBool(conf, "viridian", &val, 0) < 0)
> +            return -1;
> +        else if (val)
> +            def->features[VIR_DOMAIN_FEATURE_VIRIDIAN] = VIR_DOMAIN_FEATURE_STATE_ON;
> +
> +        if (xenXMConfigGetBool(conf, "hpet", &val, -1) < 0)
> +            return -1;
> +        else if (val != -1) {
> +            virDomainTimerDefPtr timer;
> +
> +            if (VIR_ALLOC_N(def->clock.timers, 1) < 0 ||
> +                VIR_ALLOC(timer) < 0)
> +                return -1;
> +
> +            timer->name = VIR_DOMAIN_TIMER_NAME_HPET;
> +            timer->present = val;
> +            timer->tickpolicy = -1;
> +
> +            def->clock.ntimers = 1;
> +            def->clock.timers[0] = timer;
> +        }
> +    }
> +
> +    return 0;
> +}
>  virDomainDefPtr
>  xenParseXM(virConfPtr conf, int xendConfigVersion,
>                         virCapsPtr caps)
> @@ -638,7 +698,6 @@ xenParseXM(virConfPtr conf, int xendConfigVersion,
>      virDomainNetDefPtr net = NULL;
>      virDomainGraphicsDefPtr graphics = NULL;
>      size_t i;
> -    unsigned long count;
>      char *script = NULL;
>      char *listenAddr = NULL;
>  
> @@ -703,59 +762,6 @@ xenParseXM(virConfPtr conf, int xendConfigVersion,
>      }
>      if (xenParseXMMem(conf, def) < 0)
>          goto cleanup;
> -
> -    if (xenXMConfigGetULong(conf, "vcpus", &count, 1) < 0 ||
> -        MAX_VIRT_CPUS < count)
> -        goto cleanup;
> -    def->maxvcpus = count;
> -    if (xenXMConfigGetULong(conf, "vcpu_avail", &count, -1) < 0)
> -        goto cleanup;
> -    def->vcpus = MIN(count_one_bits_l(count), def->maxvcpus);
> -
> -    if (xenXMConfigGetString(conf, "cpus", &str, NULL) < 0)
> -        goto cleanup;
> -    if (str && (virBitmapParse(str, 0, &def->cpumask, 4096) < 0))
> -            goto cleanup;
> -
> -    if (hvm) {
> -        if (xenXMConfigGetBool(conf, "pae", &val, 0) < 0)
> -            goto cleanup;
> -        else if (val)
> -            def->features[VIR_DOMAIN_FEATURE_PAE] = VIR_DOMAIN_FEATURE_STATE_ON;
> -        if (xenXMConfigGetBool(conf, "acpi", &val, 0) < 0)
> -            goto cleanup;
> -        else if (val)
> -            def->features[VIR_DOMAIN_FEATURE_ACPI] = VIR_DOMAIN_FEATURE_STATE_ON;
> -        if (xenXMConfigGetBool(conf, "apic", &val, 0) < 0)
> -            goto cleanup;
> -        else if (val)
> -            def->features[VIR_DOMAIN_FEATURE_APIC] = VIR_DOMAIN_FEATURE_STATE_ON;
> -        if (xenXMConfigGetBool(conf, "hap", &val, 0) < 0)
> -            goto cleanup;
> -        else if (val)
> -            def->features[VIR_DOMAIN_FEATURE_HAP] = VIR_DOMAIN_FEATURE_STATE_ON;
> -        if (xenXMConfigGetBool(conf, "viridian", &val, 0) < 0)
> -            goto cleanup;
> -        else if (val)
> -            def->features[VIR_DOMAIN_FEATURE_VIRIDIAN] = VIR_DOMAIN_FEATURE_STATE_ON;
> -
> -        if (xenXMConfigGetBool(conf, "hpet", &val, -1) < 0)
> -            goto cleanup;
> -        else if (val != -1) {
> -            virDomainTimerDefPtr timer;
> -
> -            if (VIR_ALLOC_N(def->clock.timers, 1) < 0 ||
> -                VIR_ALLOC(timer) < 0)
> -                goto cleanup;
> -
> -            timer->name = VIR_DOMAIN_TIMER_NAME_HPET;
> -            timer->present = val;
> -            timer->tickpolicy = -1;
> -
> -            def->clock.ntimers = 1;
> -            def->clock.timers[0] = timer;
> -        }
> -    }
>      if (xenXMConfigCopyStringOpt(conf, "device_model", &def->emulator) < 0)
>          goto cleanup;
>  
> @@ -945,6 +951,8 @@ xenParseXM(virConfPtr conf, int xendConfigVersion,
>         goto cleanup;
>     if (xenParseXMPCI(conf, def) < 0)
>         goto cleanup;
> +   if (xenParseXMCPUFeatures(conf, def) < 0)
> +       goto cleanup;
>     if (hvm) {
>          if (xenXMConfigGetString(conf, "usbdevice", &str, NULL) < 0)
>              goto cleanup;
>   

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