lkml.org 
[lkml]   [2022]   [Dec]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH v1] KVM: x86: add KVM_CAP_DEVICE_CTRL
Date
KVM_CAP_DEVICE_CTRL allows userspace to create emulated device in KVM.
For example, userspace VFIO implementation needs to create a kvm_device
(i.e. KVM_DEV_TYPE_VFIO) on x86. So add the cap to allow userspace for
such use cases.

Signed-off-by: Wei Wang <wei.w.wang@intel.com>
---
arch/x86/kvm/x86.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 69227f77b201..1cdc4469652c 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -4410,6 +4410,7 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext)
case KVM_CAP_VAPIC:
case KVM_CAP_ENABLE_CAP:
case KVM_CAP_VM_DISABLE_NX_HUGE_PAGES:
+ case KVM_CAP_DEVICE_CTRL:
r = 1;
break;
case KVM_CAP_EXIT_HYPERCALL:
--
2.32.0
\
 
 \ /
  Last update: 2022-12-15 12:52    [W:1.238 / U:0.044 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site