From: David Hildenbrand <dahi@xxxxxxxxxxxxxxxxxx> Let's properly document KVM_S390_VM_TOD and its attributes. Reviewed-by: Cornelia Huck <cornelia.huck@xxxxxxxxxx> Signed-off-by: David Hildenbrand <dahi@xxxxxxxxxxxxxxxxxx> Signed-off-by: Christian Borntraeger <borntraeger@xxxxxxxxxx> --- Documentation/virtual/kvm/devices/vm.txt | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/Documentation/virtual/kvm/devices/vm.txt b/Documentation/virtual/kvm/devices/vm.txt index f083a16..27c1a3b 100644 --- a/Documentation/virtual/kvm/devices/vm.txt +++ b/Documentation/virtual/kvm/devices/vm.txt @@ -84,3 +84,22 @@ Returns: -EBUSY in case 1 or more vcpus are already activated (only in write -EFAULT if the given address is not accessible from kernel space -ENOMEM if not enough memory is available to process the ioctl 0 in case of success + +3. GROUP: KVM_S390_VM_TOD +Architectures: s390 + +3.1. ATTRIBUTE: KVM_S390_VM_TOD_HIGH + +Allows user space to set/get the TOD clock extension (u8). + +Parameters: address of a buffer in user space to store the data (u8) to +Returns: -EFAULT if the given address is not accessible from kernel space + -EINVAL if setting the TOD clock extension to != 0 is not supported + +3.2. ATTRIBUTE: KVM_S390_VM_TOD_LOW + +Allows user space to set/get bits 0-63 of the TOD clock register as defined in +the POP (u64). + +Parameters: address of a buffer in user space to store the data (u64) to +Returns: -EFAULT if the given address is not accessible from kernel space -- 2.3.0 -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
