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KVM: PPC: Book3S: Only report KVM_CAP_SPAPR_TCE_VFIO on powernv machines

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The kvm capability KVM_CAP_SPAPR_TCE_VFIO is used to indicate the
availability of in kernel tce acceleration for vfio. However it is
currently the case that this is only available on a powernv machine,
not for a pseries machine.

Thus make this capability dependent on having the cpu feature
CPU_FTR_HVMODE.

[paulus@ozlabs.org - fixed compilation for Book E.]

Signed-off-by: Suraj Jitindar Singh <sjitindarsingh@gmail.com>
Signed-off-by: Paul Mackerras <paulus@ozlabs.org>
This commit is contained in:
Suraj Jitindar Singh 2018-12-14 16:29:03 +11:00 committed by Paul Mackerras
parent 5af3e9d06d
commit 693ac10a88
1 changed files with 4 additions and 1 deletions
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5
arch/powerpc/kvm/powerpc.c
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@ -543,8 +543,11 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext)
#ifdef CONFIG_PPC_BOOK3S_64 #ifdef CONFIG_PPC_BOOK3S_64
case KVM_CAP_SPAPR_TCE: case KVM_CAP_SPAPR_TCE:
case KVM_CAP_SPAPR_TCE_64: case KVM_CAP_SPAPR_TCE_64:
/* fallthrough */ r = 1;
break;
case KVM_CAP_SPAPR_TCE_VFIO: case KVM_CAP_SPAPR_TCE_VFIO:
r = !!cpu_has_feature(CPU_FTR_HVMODE);
break;
case KVM_CAP_PPC_RTAS: case KVM_CAP_PPC_RTAS:
case KVM_CAP_PPC_FIXUP_HCALL: case KVM_CAP_PPC_FIXUP_HCALL:
case KVM_CAP_PPC_ENABLE_HCALL: case KVM_CAP_PPC_ENABLE_HCALL: