irqchip: GICv3: ITS command queue
authorMarc Zyngier <marc.zyngier@arm.com>
Mon, 24 Nov 2014 14:35:11 +0000 (14:35 +0000)
committerJason Cooper <jason@lakedaemon.net>
Wed, 26 Nov 2014 15:55:12 +0000 (15:55 +0000)
commitcc2d3216f53c9fff0030eb71cacc4ce5f39d1d7e
tree5ee3d58aab214a297e5dc906caf08211cef3d21d
parentf5c1434c217fd72ac0d24d3142d09e49a3d4e72e
irqchip: GICv3: ITS command queue

The ITS is configured through a number commands that the driver
issues to the HW using a memory-based circular buffer.

This patch implements the subset of commands that are required
for Linux.

Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Link: https://lkml.kernel.org/r/1416839720-18400-5-git-send-email-marc.zyngier@arm.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
drivers/irqchip/irq-gic-v3-its.c [new file with mode: 0644]
include/linux/irqchip/arm-gic-v3.h