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)
>
>> +/* Available with KVM_CAP_SPAPR_TCE_IOMMU */
>> +#define KVM_CREATE_SPAPR_TCE_IOMMU _IOW(KVMIO, 0xaf, struct kvm_create_spapr_tce_iommu)
>
> and why is this one 0xaf then?
Sorry, mistype. My bad. Sorry again.
>
> Alex
>
>>
>> /* ioctl for vm fd */
>> #define KVM_CREATE_DEVICE _IOWR(KVMIO, 0xe0, struct kvm_create_device)
>> --
>> 1.8.3.2
>>
>
--
Alexey
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