powerpc: Add set_mode hcall

This new hcall in POWER8 is used to set various resource mode registers.
eg. it can set address translation mode on interrupt (note: partition wide
scope)

Signed-off-by: Ian Munsie <imunsie@au1.ibm.com>
Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

1 files changed, 2 insertions, 1 deletions

diff --git a/arch/powerpc/include/asm/hvcall.h b/arch/powerpc/include/asm/hvcall.h
index 7a867065db79..a3d26d8f63cd 100644
--- a/arch/powerpc/include/asm/hvcall.h
+++ b/arch/powerpc/include/asm/hvcall.h
@@ -267,7 +267,8 @@
 #define H_RANDOM                0x300
 #define H_COP                   0x304
 #define H_GET_MPP_X             0x314
-#define MAX_HCALL_OPCODE        H_GET_MPP_X
+#define H_SET_MODE              0x31C
+#define MAX_HCALL_OPCODE        H_SET_MODE
 
 #ifndef __ASSEMBLY__