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authorCarsten Otte <cotte@de.ibm.com>2012-01-04 10:25:23 +0100
committerAvi Kivity <avi@redhat.com>2012-03-05 14:52:19 +0200
commit5b1c1493afe8d69909f9df3221bb2fffdf479f4a (patch)
treef64fa2be60cb44e4d9cb7cc9338b4dabba65348a /include/linux/kvm.h
parente168bf8de33e16a909df2401af1f7d419c5780de (diff)
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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 <cotte@de.ibm.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com> Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'include/linux/kvm.h')
-rw-r--r--include/linux/kvm.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/kvm.h b/include/linux/kvm.h
index 7f686f6..8f888df 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:
*/
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