Re: [kvm-unit-tests PATCH 3/8] s390x: sie: Add UV information into VM struct

[Janosch Frank <frankja@linux.ibm.com>]

On 11/23/21 11:54, Claudio Imbrenda wrote:
> On Tue, 23 Nov 2021 10:39:51 +0000
> Janosch Frank <frankja@linux.ibm.com> wrote:
> 
>> We need to save the handles for the VM and the VCPU so we can retrieve
>> them easily after their creation. Since the SIE lib is single guest
> 
> multiple guest CPUs will be needed for testing some functions, but I
> guess that's something for me to do :)

I would be happy if someone picks this up. Just let me know if you do so 
I can plan accordingly.

> 
>> cpu only we only save one vcpu handle.
>>
>> Signed-off-by: Janosch Frank <frankja@linux.ibm.com>
> 
> Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com>

Thanks!

> 
>> ---
>>   lib/s390x/sie.h | 6 ++++++
>>   1 file changed, 6 insertions(+)
>>
>> diff --git a/lib/s390x/sie.h b/lib/s390x/sie.h
>> index c6eb6441..1a12faa7 100644
>> --- a/lib/s390x/sie.h
>> +++ b/lib/s390x/sie.h
>> @@ -200,6 +200,11 @@ union {
>>   	uint64_t	gvrd;			/* 0x01f8 */
>>   } __attribute__((packed));
>>   
>> +struct vm_uv {
>> +	uint64_t vm_handle;
>> +	uint64_t vcpu_handle;
>> +};
>> +
>>   struct vm_save_regs {
>>   	uint64_t grs[16];
>>   	uint64_t fprs[16];
>> @@ -220,6 +225,7 @@ struct vm {
>>   	struct vm_save_area save_area;
>>   	void *sca;				/* System Control Area */
>>   	uint8_t *crycb;				/* Crypto Control Block */
>> +	struct vm_uv uv;			/* PV UV information */
>>   	/* Ptr to first guest page */
>>   	uint8_t *guest_mem;
>>   };
>