From 5b1c1493afe8d69909f9df3221bb2fffdf479f4a Mon Sep 17 00:00:00 2001 From: Carsten Otte Date: Wed, 4 Jan 2012 10:25:23 +0100 Subject: KVM: s390: ucontrol: export SIE control block to user This patch exports the s390 SIE hardware control block to userspace via the mapping of the vcpu file descriptor. In order to do so, a new arch callback named kvm_arch_vcpu_fault is introduced for all architectures. It allows to map architecture specific pages. Signed-off-by: Carsten Otte Signed-off-by: Marcelo Tosatti Signed-off-by: Avi Kivity --- include/linux/kvm.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'include/linux/kvm.h') diff --git a/include/linux/kvm.h b/include/linux/kvm.h index 7f686f6708b0..8f888df206a2 100644 --- a/include/linux/kvm.h +++ b/include/linux/kvm.h @@ -440,6 +440,8 @@ struct kvm_ppc_pvinfo { /* machine type bits, to be used as argument to KVM_CREATE_VM */ #define KVM_VM_S390_UCONTROL 1 +#define KVM_S390_SIE_PAGE_OFFSET 1 + /* * ioctls for /dev/kvm fds: */ -- cgit v1.2.3