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authorMihai Caraman <mihai.caraman@freescale.com>2014-08-20 15:36:25 +0200
committerAlexander Graf <agraf@suse.de>2014-09-22 10:11:33 +0200
commit3840edc8033ad5b86deee309c1c321ca54257452 (patch)
tree3c193a8480a3a9f54a7a4559a4be2265c9741c4d /arch/powerpc/include/uapi
parentKVM: PPC: Make ONE_REG powerpc generic (diff)
downloadlinux-3840edc8033ad5b86deee309c1c321ca54257452.tar.xz
linux-3840edc8033ad5b86deee309c1c321ca54257452.zip
KVM: PPC: Move ONE_REG AltiVec support to powerpc
Move ONE_REG AltiVec support to powerpc generic layer. Signed-off-by: Mihai Caraman <mihai.caraman@freescale.com> Signed-off-by: Alexander Graf <agraf@suse.de>
Diffstat (limited to 'arch/powerpc/include/uapi')
-rw-r--r--arch/powerpc/include/uapi/asm/kvm.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/powerpc/include/uapi/asm/kvm.h b/arch/powerpc/include/uapi/asm/kvm.h
index 3ca357a7a26a..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 */