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Re: [libvirt] [PATCH 02/24] src/xenxs: Refactor code parsing virtual time config



Kiarie Kahurani wrote:
> introduce function
>     xenParseXMTimeOffset(virConfPtr conf,.......);
> which parses time offset config instead
>
> signed-off-by: Kiarie Kahurani <davidkiarie4 gmail com>
> Signed-off-by: Kiarie Kahurani <davidkiarie4 gmail com>
> ---
>  src/xenxs/xen_xm.c | 71 +++++++++++++++++++++++++++++++++---------------------
>  1 file changed, 43 insertions(+), 28 deletions(-)
>   

ACK.  Will push shortly after removing the first SOB.

Regards,
Jim

> diff --git a/src/xenxs/xen_xm.c b/src/xenxs/xen_xm.c
> index 443e6da..0e0cf90 100644
> --- a/src/xenxs/xen_xm.c
> +++ b/src/xenxs/xen_xm.c
> @@ -259,7 +259,48 @@ xenParseXMMem(virConfPtr conf, virDomainDefPtr def)
>  }
>  
>  
> +static int
> +xenParseXMTimeOffset(virConfPtr conf, virDomainDefPtr def,
> +                     int xendConfigVersion)
> +{
> +    int vmlocaltime;
> +
> +    if (xenXMConfigGetBool(conf, "localtime", &vmlocaltime, 0) < 0)
> +        return -1;
> +
> +    if (STREQ(def->os.type, "hvm")) {
> +        /* only managed HVM domains since 3.1.0 have persistent rtc_timeoffset */
> +        if (xendConfigVersion < XEND_CONFIG_VERSION_3_1_0) {
> +            if (vmlocaltime)
> +                def->clock.offset = VIR_DOMAIN_CLOCK_OFFSET_LOCALTIME;
> +            else
> +                def->clock.offset = VIR_DOMAIN_CLOCK_OFFSET_UTC;
> +            def->clock.data.utc_reset = true;
> +        } else {
> +            unsigned long rtc_timeoffset;
> +            def->clock.offset = VIR_DOMAIN_CLOCK_OFFSET_VARIABLE;
> +            if (xenXMConfigGetULong(conf, "rtc_timeoffset", &rtc_timeoffset, 0) < 0)
> +                return -1;
> +
> +            def->clock.data.variable.adjustment = (int)rtc_timeoffset;
> +            def->clock.data.variable.basis = vmlocaltime ?
> +                VIR_DOMAIN_CLOCK_BASIS_LOCALTIME :
> +                VIR_DOMAIN_CLOCK_BASIS_UTC;
> +        }
> +    } else {
> +        /* PV domains do not have an emulated RTC and the offset is fixed. */
> +        def->clock.offset = vmlocaltime ?
> +            VIR_DOMAIN_CLOCK_OFFSET_LOCALTIME :
> +            VIR_DOMAIN_CLOCK_OFFSET_UTC;
> +        def->clock.data.utc_reset = true;
> +    } /* !hvm */
> +
> +    return 0;
> +}
> +
> +
>  #define MAX_VFB 1024
> +
>  /*
>   * Turn a config record into a lump of XML describing the
>   * domain, suitable for later feeding for virDomainCreateXML
> @@ -279,7 +320,6 @@ xenParseXM(virConfPtr conf, int xendConfigVersion,
>      virDomainHostdevDefPtr hostdev = NULL;
>      size_t i;
>      const char *defaultMachine;
> -    int vmlocaltime = 0;
>      unsigned long count;
>      char *script = NULL;
>      char *listenAddr = NULL;
> @@ -456,34 +496,9 @@ xenParseXM(virConfPtr conf, int xendConfigVersion,
>              def->clock.timers[0] = timer;
>          }
>      }
> -    if (xenXMConfigGetBool(conf, "localtime", &vmlocaltime, 0) < 0)
> -        goto cleanup;
>  
> -    if (hvm) {
> -        /* only managed HVM domains since 3.1.0 have persistent rtc_timeoffset */
> -        if (xendConfigVersion < XEND_CONFIG_VERSION_3_1_0) {
> -            if (vmlocaltime)
> -                def->clock.offset = VIR_DOMAIN_CLOCK_OFFSET_LOCALTIME;
> -            else
> -                def->clock.offset = VIR_DOMAIN_CLOCK_OFFSET_UTC;
> -            def->clock.data.utc_reset = true;
> -        } else {
> -            unsigned long rtc_timeoffset;
> -            def->clock.offset = VIR_DOMAIN_CLOCK_OFFSET_VARIABLE;
> -            if (xenXMConfigGetULong(conf, "rtc_timeoffset", &rtc_timeoffset, 0) < 0)
> -                goto cleanup;
> -            def->clock.data.variable.adjustment = (int)rtc_timeoffset;
> -            def->clock.data.variable.basis = vmlocaltime ?
> -                VIR_DOMAIN_CLOCK_BASIS_LOCALTIME :
> -                VIR_DOMAIN_CLOCK_BASIS_UTC;
> -        }
> -    } else {
> -        /* PV domains do not have an emulated RTC and the offset is fixed. */
> -        def->clock.offset = vmlocaltime ?
> -            VIR_DOMAIN_CLOCK_OFFSET_LOCALTIME :
> -            VIR_DOMAIN_CLOCK_OFFSET_UTC;
> -        def->clock.data.utc_reset = true;
> -    } /* !hvm */
> +    if (xenParseXMTimeOffset(conf, def, xendConfigVersion) < 0)
> +        goto cleanup;
>  
>      if (xenXMConfigCopyStringOpt(conf, "device_model", &def->emulator) < 0)
>          goto cleanup;
>   


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