On 15.08.2013, at 09:24, Alexander Graf wrote:
>
> On 15.08.2013, at 09:22, Alexey Kardashevskiy wrote:
>
>> On 08/15/2013 05:16 PM, Alexander Graf wrote:
>>>
>>> On 01.08.2013, at 06:44, Alexey Kardashevskiy wrote:
>>>
>>>> This is to reserve a capablity number for upcoming support
>>>> of VFIO-IOMMU DMA operations in real mode.
>>>>
>>>> Signed-off-by: Alexey Kardashevskiy <aik@xxxxxxxxx>
>>>>
>>>> ---
>>>> Changes:
>>>> 2013/07/16:
>>>> * changed the number
>>>>
>>>> 2013/07/11:
>>>> * changed order in a file, added comment about a gap in ioctl number
>>>>
>>>> Signed-off-by: Alexey Kardashevskiy <aik@xxxxxxxxx>
>>>> ---
>>>> include/uapi/linux/kvm.h | 4 ++++
>>>> 1 file changed, 4 insertions(+)
>>>>
>>>> diff --git a/include/uapi/linux/kvm.h b/include/uapi/linux/kvm.h
>>>> index 99c2533..53c3f1f 100644
>>>> --- a/include/uapi/linux/kvm.h
>>>> +++ b/include/uapi/linux/kvm.h
>>>> @@ -668,6 +668,7 @@ struct kvm_ppc_smmu_info {
>>>> #define KVM_CAP_IRQ_XICS 92
>>>> #define KVM_CAP_ARM_EL1_32BIT 93
>>>> #define KVM_CAP_SPAPR_MULTITCE 94
>>>> +#define KVM_CAP_SPAPR_TCE_IOMMU 95
>>>>
>>>> #ifdef KVM_CAP_IRQ_ROUTING
>>>>
>>>> @@ -933,6 +934,9 @@ struct kvm_s390_ucas_mapping {
>>>> #define KVM_ARM_SET_DEVICE_ADDR _IOW(KVMIO, 0xab, struct kvm_arm_device_addr)
>>>> /* Available with KVM_CAP_PPC_RTAS */
>>>> #define KVM_PPC_RTAS_DEFINE_TOKEN _IOW(KVMIO, 0xac, struct kvm_rtas_token_args)
>>>> +/* 0xad and 0xaf are already taken */
>>>
>>> so 0xad and 0xaf are already taken? where?
>>
>> Mistype :( s/af/ae/
>>
>> They are taken in this file:
>>
>> 1016 /* VM is being stopped by host */
>> 1017 #define KVM_KVMCLOCK_CTRL _IO(KVMIO, 0xad)
>> 1018 #define KVM_ARM_VCPU_INIT _IOW(KVMIO, 0xae, struct kvm_vcpu_init)
>
> Could you please make sure that whoever reads the comment in a year still knows where to look? :)
Something like
/* 0xad is taken by KVM_KVMCLOCK_CTRL */
/* 0xaf is taken by KVM_ARM_VCPU_INIT */
Alex
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