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SubjectRe: [PATCH v7 3/4] s390: ap: implement PAPQ AQIC interception in kernel
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On 30/04/2019 16:00, Halil Pasic wrote:
> On Fri, 26 Apr 2019 15:01:27 +0200
> Pierre Morel <pmorel@linux.ibm.com> wrote:
>
>> diff --git a/drivers/s390/crypto/vfio_ap_private.h b/drivers/s390/crypto/vfio_ap_private.h
>> index 18dcc4d..7cc02ff 100644
>> --- a/drivers/s390/crypto/vfio_ap_private.h
>> +++ b/drivers/s390/crypto/vfio_ap_private.h
>> @@ -4,6 +4,7 @@
>> *
>> * Author(s): Tony Krowiak <akrowiak@linux.ibm.com>
>> * Halil Pasic <pasic@linux.ibm.com>
>> + * Pierre Morel <pmorel@linux.ibm.com>
>> *
>> * Copyright IBM Corp. 2018
>> */
>> @@ -90,4 +91,14 @@ struct ap_matrix_mdev {
>> extern int vfio_ap_mdev_register(void);
>> extern void vfio_ap_mdev_unregister(void);
>>
>> +struct vfio_ap_queue {
>> + struct ap_matrix_mdev *matrix_mdev;
>> + unsigned long a_nib;
>> + unsigned long a_pfn;
>> + unsigned long p_pfn;
>> + int apqn;
>> +#define VFIO_AP_ISC_INVALID 0xff
>
> How about -1?
>
>> + unsigned char a_isc;
>> + unsigned char p_isc;
>> +};
>> #endif /* _VFIO_AP_PRIVATE_H_ */
>
> I assume a_ and p_ are for argument and private, or? Anyway it would be
> nice to have nicer names for these.
>
> If the a_ members are really just arguments, we could probably live
> without the. I'm fine either way.
>
> Regards,
> Halil
>

Since there will be another iteration to modify other part of this patch
I will simplify this handling and make the names clearer.

Thanks
Pierre

--
Pierre Morel
Linux/KVM/QEMU in Böblingen - Germany

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