Re: [PATCH 03/10] KVM: PPC: reserve a capability and ioctl numbers for realmode VFIO
From: Alexander Graf <hidden>
Date: 2013-08-15 07:25:47
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kvm, lkml
On 15.08.2013, at 09:24, Alexander Graf wrote:
=20 On 15.08.2013, at 09:22, Alexey Kardashevskiy wrote: =20quoted
On 08/15/2013 05:16 PM, Alexander Graf wrote:quoted
=20 On 01.08.2013, at 06:44, Alexey Kardashevskiy wrote: =20quoted
This is to reserve a capablity number for upcoming support of VFIO-IOMMU DMA operations in real mode. =20 Signed-off-by: Alexey Kardashevskiy <redacted> =20 --- Changes: 2013/07/16: * changed the number =20 2013/07/11: * changed order in a file, added comment about a gap in ioctl =
number
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=20 Signed-off-by: Alexey Kardashevskiy <redacted> --- include/uapi/linux/kvm.h | 4 ++++ 1 file changed, 4 insertions(+) =20diff --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 =20 #ifdef KVM_CAP_IRQ_ROUTING =20@@ -933,6 +934,9 @@ struct kvm_s390_ucas_mapping {#define KVM_ARM_SET_DEVICE_ADDR _IOW(KVMIO, 0xab, struct =
kvm_arm_device_addr)
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/* Available with KVM_CAP_PPC_RTAS */ #define KVM_PPC_RTAS_DEFINE_TOKEN _IOW(KVMIO, 0xac, struct =
kvm_rtas_token_args)
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+/* 0xad and 0xaf are already taken */=20 so 0xad and 0xaf are already taken? where?=20 Mistype :( s/af/ae/ =20 They are taken in this file: =20 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)
=20 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