Re: [PATCH 2 of 5 v4] tools/libxc: Helper function for XEN_SYSCTL_consoleringsize

[Andrew Cooper <andrew.cooper3@citrix.com>]

On 05/04/13 15:47, Andrew Cooper wrote:
> On 13/03/13 12:52, Andrew Cooper wrote:
>> Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
> Keir/Jan: Ping? This is a hypervisor change.

Apologies - this is actually a tools change. Ian/Ian?

>
>> ---
>> Changes since v2:
>>  * Tweak style and errno in case of invalid pointer.
>>
>> diff -r 89f3c6846f6b -r 0bd32c19873e tools/libxc/xc_misc.c
>> --- a/tools/libxc/xc_misc.c
>> +++ b/tools/libxc/xc_misc.c
>> @@ -100,6 +100,26 @@ int xc_readconsolering(xc_interface *xch
>>      return ret;
>>  }
>>  
>> +int xc_consoleringsize(xc_interface *xch, uint64_t *psize)
>> +{
>> +    int ret = -1;
>> +    DECLARE_SYSCTL;
>> +
>> +    if ( !psize )
>> +    {
>> +        errno = EINVAL;
>> +        return ret;
>> +    }
>> +
>> +    sysctl.cmd = XEN_SYSCTL_consoleringsize;
>> +    ret = do_sysctl(xch, &sysctl);
>> +
>> +    if ( !ret )
>> +        *psize = sysctl.u.consoleringsize.size;
>> +
>> +    return ret;
>> +}
>> +
>>  int xc_send_debug_keys(xc_interface *xch, char *keys)
>>  {
>>      int ret, len = strlen(keys);
>> diff -r 89f3c6846f6b -r 0bd32c19873e tools/libxc/xenctrl.h
>> --- a/tools/libxc/xenctrl.h
>> +++ b/tools/libxc/xenctrl.h
>> @@ -998,6 +998,7 @@ int xc_readconsolering(xc_interface *xch
>>                         char *buffer,
>>                         unsigned int *pnr_chars,
>>                         int clear, int incremental, uint32_t *pindex);
>> +int xc_consoleringsize(xc_interface *xch, uint64_t *psize);
>>  
>>  int xc_send_debug_keys(xc_interface *xch, char *keys);
>>  
>>
>> _______________________________________________
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>> Xen-devel@lists.xen.org
>> http://lists.xen.org/xen-devel
>
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