1 files changed, 6 insertions, 0 deletions

diff --git a/arch/powerpc/include/uapi/asm/kvm.h b/arch/powerpc/include/uapi/asm/kvm.h
index e0e49dbb145d..ab4d4732c492 100644
--- a/arch/powerpc/include/uapi/asm/kvm.h
+++ b/arch/powerpc/include/uapi/asm/kvm.h
@@ -476,6 +476,11 @@ struct kvm_get_htab_header {
 
 /* FP and vector status/control registers */
 #define KVM_REG_PPC_FPSCR       (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x80)
+/*
+ * VSCR register is documented as a 32-bit register in the ISA, but it can
+ * only be accesses via a vector register. Expose VSCR as a 32-bit register
+ * even though the kernel represents it as a 128-bit vector.
+ */
 #define KVM_REG_PPC_VSCR        (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x81)
 
 /* Virtual processor areas */
@@ -557,6 +562,7 @@ struct kvm_get_htab_header {
 #define KVM_REG_PPC_DABRX       (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0xb8)
 #define KVM_REG_PPC_WORT        (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xb9)
 #define KVM_REG_PPC_SPRG9       (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xba)
+#define KVM_REG_PPC_DBSR        (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0xbb)
 
 /* Transactional Memory checkpointed state:
  * This is all GPRs, all VSX regs and a subset of SPRs