diff options
Diffstat (limited to 'Documentation/virt/kvm/devices')
-rw-r--r-- | Documentation/virt/kvm/devices/index.rst | 1 | ||||
-rw-r--r-- | Documentation/virt/kvm/devices/vfio.rst (renamed from Documentation/virt/kvm/devices/vfio.txt) | 25 |
2 files changed, 16 insertions, 10 deletions
diff --git a/Documentation/virt/kvm/devices/index.rst b/Documentation/virt/kvm/devices/index.rst index 5a61838f0e61..cbbadda080d0 100644 --- a/Documentation/virt/kvm/devices/index.rst +++ b/Documentation/virt/kvm/devices/index.rst @@ -13,3 +13,4 @@ Devices mpic s390_flic vcpu + vfio diff --git a/Documentation/virt/kvm/devices/vfio.txt b/Documentation/virt/kvm/devices/vfio.rst index 528c77c8022c..2d20dc561069 100644 --- a/Documentation/virt/kvm/devices/vfio.txt +++ b/Documentation/virt/kvm/devices/vfio.rst @@ -1,8 +1,12 @@ +.. SPDX-License-Identifier: GPL-2.0 + +=================== VFIO virtual device =================== Device types supported: - KVM_DEV_TYPE_VFIO + + - KVM_DEV_TYPE_VFIO Only one VFIO instance may be created per VM. The created device tracks VFIO groups in use by the VM and features of those groups @@ -23,14 +27,15 @@ KVM_DEV_VFIO_GROUP attributes: for the VFIO group. KVM_DEV_VFIO_GROUP_SET_SPAPR_TCE: attaches a guest visible TCE table allocated by sPAPR KVM. - kvm_device_attr.addr points to a struct: + kvm_device_attr.addr points to a struct:: + + struct kvm_vfio_spapr_tce { + __s32 groupfd; + __s32 tablefd; + }; - struct kvm_vfio_spapr_tce { - __s32 groupfd; - __s32 tablefd; - }; + where: - where - @groupfd is a file descriptor for a VFIO group; - @tablefd is a file descriptor for a TCE table allocated via - KVM_CREATE_SPAPR_TCE. + - @groupfd is a file descriptor for a VFIO group; + - @tablefd is a file descriptor for a TCE table allocated via + KVM_CREATE_SPAPR_TCE. |