linux-kernel - Re: [PATCH 2/8] KVM: PPC: reserve a capability and ioctl numbers for realmode VFIO

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Date:	Thu, 11 Jul 2013 00:17:17 +1000
From:	Alexey Kardashevskiy <aik@...abs.ru>
To:	Alexander Graf <agraf@...e.de>
CC:	linuxppc-dev@...ts.ozlabs.org,
	David Gibson <david@...son.dropbear.id.au>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Paul Mackerras <paulus@...ba.org>,
	Alex Williamson <alex.williamson@...hat.com>,
	"Paul E . McKenney" <paulmck@...ux.vnet.ibm.com>,
	kvm@...r.kernel.org, linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org, kvm-ppc@...r.kernel.org
Subject: Re: [PATCH 2/8] KVM: PPC: reserve a capability and ioctl numbers
 for realmode VFIO

On 07/10/2013 08:27 PM, Alexander Graf wrote:
> 
> On 10.07.2013, at 01:35, Alexey Kardashevskiy wrote:
> 
>> On 07/10/2013 01:35 AM, Alexander Graf wrote:
>>> On 06/27/2013 07:02 AM, Alexey Kardashevskiy wrote:
>>>> Signed-off-by: Alexey Kardashevskiy<aik@...abs.ru>
>>>> ---
>>>>  include/uapi/linux/kvm.h |    2 ++
>>>>  1 file changed, 2 insertions(+)
>>>>
>>>> diff --git a/include/uapi/linux/kvm.h b/include/uapi/linux/kvm.h
>>>> index 970b1f5..0865c01 100644
>>>> --- a/include/uapi/linux/kvm.h
>>>> +++ b/include/uapi/linux/kvm.h
>>>> @@ -667,6 +667,7 @@ struct kvm_ppc_smmu_info {
>>>>  #define KVM_CAP_PPC_RTAS 91
>>>>  #define KVM_CAP_IRQ_XICS 92
>>>>  #define KVM_CAP_SPAPR_MULTITCE 93
>>>> +#define KVM_CAP_SPAPR_TCE_IOMMU 94
>>>>
>>>>  #ifdef KVM_CAP_IRQ_ROUTING
>>>>
>>>> @@ -923,6 +924,7 @@ struct kvm_s390_ucas_mapping {
>>>>  /* Available with KVM_CAP_PPC_ALLOC_HTAB */
>>>>  #define KVM_PPC_ALLOCATE_HTAB      _IOWR(KVMIO, 0xa7, __u32)
>>>>  #define KVM_CREATE_SPAPR_TCE      _IOW(KVMIO,  0xa8, struct
>>>> kvm_create_spapr_tce)
>>>> +#define KVM_CREATE_SPAPR_TCE_IOMMU _IOW(KVMIO,  0xaf, struct
>>>> kvm_create_spapr_tce_iommu)
>>>
>>> Please order them by number.
>>
>> Oh. Again :( We have had this discussion with Scott Wood here already.
>> Where _exactly_ do you want me to put it?
> 
> 8 lines further down. With a comment saying when it's available. Also why is it af, not ad?


0xad and 0xae are taken.
Where should I have commented this? In the commit message? Or in the patch
itself?


>> Many sections, not really ordered. Thank you.
> 
> They should all be ordered inside of their own categories.


-- 
Alexey
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