linux-kernel - Re: [PATCH v1 3/7] vfio: ap: AP Queue Interrupt structures definitions

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Date:   Mon, 5 Nov 2018 09:46:56 +0100
From:   Pierre Morel <pmorel@...ux.ibm.com>
To:     Tony Krowiak <akrowiak@...ux.ibm.com>, borntraeger@...ibm.com
Cc:     alex.williamson@...hat.com, cohuck@...hat.com,
        linux-kernel@...r.kernel.org, linux-s390@...r.kernel.org,
        kvm@...r.kernel.org, frankja@...ux.ibm.com, pasic@...ux.ibm.com,
        david@...hat.com, schwidefsky@...ibm.com,
        heiko.carstens@...ibm.com, freude@...ux.ibm.com, mimu@...ux.ibm.com
Subject: Re: [PATCH v1 3/7] vfio: ap: AP Queue Interrupt structures
 definitions

On 02/11/2018 16:14, Tony Krowiak wrote:
> On 10/31/18 2:12 PM, Pierre Morel wrote:
>> We define all the structures we need to let GISA handle
>> the AP Queues Interrupt.

...

>> +struct aqic_gisa {
>> +    uint8_t  rzone;
>> +    uint8_t  izone;
>> +    unsigned    ir:1;
>> +    unsigned    reserved1:4;
>> +    unsigned    gisc:3;
>> +    unsigned    reserved2:6;
>> +    unsigned    f:2;
>> +    unsigned    reserved3:1;
>> +    unsigned    gisao:27;
>> +    unsigned    t:1;
>> +    unsigned    isc:3;
>> +}  __packed __aligned(8);
> 
> This struct is redundant with the 'struct ap_qirq_ctrl'
> defined in arch/s390/include/asm/ap.h. That file also includes
> the asm for the ap_aqic function.

Exact.
My code is quite old and I forgot to adapt it to the new definitions.
I will do it for this, aqic, the inline assembler and the status.

Thanks,

Pierre

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