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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2014-06-10 15:04:40 +1000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2014-06-11 16:31:20 +1000
commitdd58a092c4202f2bd490adab7285b3ff77f8e467 (patch)
tree40bc4732fdc5b96a146cb7e2e2d6070f85ed7009 /arch/powerpc/include/uapi
parentdfb945473ae8528fd885607b6fa843c676745e0c (diff)
downloadlinux-dd58a092c4202f2bd490adab7285b3ff77f8e467.tar.bz2
powerpc: Add AT_HWCAP2 to indicate V.CRYPTO category support
The Vector Crypto category instructions are supported by current POWER8 chips, advertise them to userspace using a specific bit to properly differentiate with chips of the same architecture level that might not have them. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> CC: <stable@vger.kernel.org> [v3.10+]
Diffstat (limited to 'arch/powerpc/include/uapi')
-rw-r--r--arch/powerpc/include/uapi/asm/cputable.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/powerpc/include/uapi/asm/cputable.h b/arch/powerpc/include/uapi/asm/cputable.h
index 5b7657959faa..de2c0e4ee1aa 100644
--- a/arch/powerpc/include/uapi/asm/cputable.h
+++ b/arch/powerpc/include/uapi/asm/cputable.h
@@ -41,5 +41,6 @@
#define PPC_FEATURE2_EBB 0x10000000
#define PPC_FEATURE2_ISEL 0x08000000
#define PPC_FEATURE2_TAR 0x04000000
+#define PPC_FEATURE2_VEC_CRYPTO 0x02000000
#endif /* _UAPI__ASM_POWERPC_CPUTABLE_H */