/*
* In-Memory Collection (IMC) Performance Monitor counter support.
*
* Copyright (C) 2017 Madhavan Srinivasan, IBM Corporation.
* (C) 2017 Anju T Sudhakar, IBM Corporation.
* (C) 2017 Hemant K Shaw, IBM Corporation.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or later version.
*/
#include <linux/perf_event.h>
#include <linux/slab.h>
#include <asm/opal.h>
#include <asm/imc-pmu.h>
#include <asm/cputhreads.h>
#include <asm/smp.h>
#include <linux/string.h>
/* Nest IMC data structures and variables */
/*
* Used to avoid races in counting the nest-pmu units during hotplug
* register and unregister
*/
static DEFINE_MUTEX
| 