powerpc/powernv: Define and set POWER9 HFSCR doorbell bit
authorMichael Neuling <mikey@neuling.org>
Tue, 22 Nov 2016 23:44:09 +0000 (10:44 +1100)
committerMichael Ellerman <mpe@ellerman.id.au>
Wed, 23 Nov 2016 00:18:22 +0000 (11:18 +1100)
commit02ed21aeda0e02d84af493f92b1b6b6b13ddd6e8
treea115a394a9d00b00766e3fa42afbc67c0bf932f0
parent1f0f2e72270c089c291aac794800cc326c4c05dd
powerpc/powernv: Define and set POWER9 HFSCR doorbell bit

Define and set the POWER9 HFSCR doorbell bit so that guests can use
msgsndp.

ISA 3.0 calls this MSGP, so name it accordingly in the code.

Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
arch/powerpc/include/asm/reg.h
arch/powerpc/kernel/cpu_setup_power.S