Re: [PATCH 06/15] s390x: protvirt: Support unpack facility

[Janosch Frank]

On 11/21/19 12:27 PM, David Hildenbrand wrote:
> On 20.11.19 12:43, Janosch Frank wrote:

>> @@ -357,6 +353,35 @@ static void s390_machine_reset(MachineState *machine)
>>           run_on_cpu(cs, s390_do_cpu_initial_reset, RUN_ON_CPU_NULL);
>>           run_on_cpu(cs, s390_do_cpu_load_normal, RUN_ON_CPU_NULL);
>>           break;
>> +    case S390_RESET_EXTERNAL:
>> +    case S390_RESET_REIPL: /* Subcode 4 */
>> +        qemu_devices_reset();
>> +        s390_crypto_reset();
>> +        /* configure and start the ipl CPU only */
>> +        run_on_cpu(cs, s390_do_cpu_ipl, RUN_ON_CPU_NULL);
>> +        break;
> 
> Is there a way to modify this patch to not change unrelated code that 
> heavily? Makes it harder to review.

https://github.com/frankjaa/qemu/commit/8c53d5c8a6bbcc53496c7a2877c7cbffc435b708

And please trim your emails.

> 
>> +    case S390_RESET_PV: /* Subcode 10 */
>> +        subsystem_reset();
>> +        s390_crypto_reset();
>> +
>> +        CPU_FOREACH(t) {
>> +            run_on_cpu(t, s390_do_cpu_full_reset, RUN_ON_CPU_NULL);
>> +        }
>> +
>> +        /* Create SE VM */
>> +        s390_pv_vm_create();
>> +        CPU_FOREACH(t) {
>> +            s390_pv_vcpu_create(t);
>> +        }
>> +
>> +        /* Set SE header and unpack */
>> +        s390_ipl_prepare_pv_header();
>> +        /* Decrypt image */
>> +        s390_ipl_pv_unpack();
>> +        /* Verify integrity */
>> +        s390_pv_verify();
>> +        s390_cpu_set_state(S390_CPU_STATE_OPERATING, cpu);
>> +        break;
>>       default:
>>           g_assert_not_reached();
>>       }
>> diff --git a/target/s390x/cpu_features_def.inc.h 
>> b/target/s390x/cpu_features_def.inc.h
>> index 31dff0d84e..60db28351d 100644
>> --- a/target/s390x/cpu_features_def.inc.h
>> +++ b/target/s390x/cpu_features_def.inc.h
>> @@ -107,6 +107,7 @@ DEF_FEAT(DEFLATE_BASE, "deflate-base", STFL, 151, 
>> "Deflate-conversion facility (
>>   DEF_FEAT(VECTOR_PACKED_DECIMAL_ENH, "vxpdeh", STFL, 152, 
>> "Vector-Packed-Decimal-Enhancement Facility")
>>   DEF_FEAT(MSA_EXT_9, "msa9-base", STFL, 155, 
>> "Message-security-assist-extension-9 facility (excluding subfunctions)")
>>   DEF_FEAT(ETOKEN, "etoken", STFL, 156, "Etoken facility")
>> +DEF_FEAT(UNPACK, "unpack", STFL, 161, "Unpack facility")
>>   
>>   /* Features exposed via SCLP SCCB Byte 80 - 98  (bit numbers relative to 
>> byte-80) */
>>   DEF_FEAT(SIE_GSLS, "gsls", SCLP_CONF_CHAR, 40, "SIE: 
>> Guest-storage-limit-suppression facility")
>>
> 
>

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