blob: 412a5e7aff2d33829f8d0f1483fba69d6d635003 [file] [log] [blame]
* Copyright 2006 Michael Ellerman, 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 (at your option) any later version.
#include <asm/machdep.h>
#include <asm/page.h>
#include <asm/firmware.h>
#include <asm/kexec.h>
#include <asm/mpic.h>
#include <asm/smp.h>
#include "pseries.h"
#include "xics.h"
#include "plpar_wrappers.h"
static void pseries_kexec_cpu_down(int crash_shutdown, int secondary)
/* Don't risk a hypervisor call if we're crashing */
if (firmware_has_feature(FW_FEATURE_SPLPAR) && !crash_shutdown) {
unsigned long addr;
addr = __pa(get_slb_shadow());
if (unregister_slb_shadow(hard_smp_processor_id(), addr))
printk("SLB shadow buffer deregistration of "
"cpu %u (hw_cpu_id %d) failed\n",
addr = __pa(get_lppaca());
if (unregister_vpa(hard_smp_processor_id(), addr)) {
printk("VPA deregistration of cpu %u (hw_cpu_id %d) "
"failed\n", smp_processor_id(),
static void pseries_kexec_cpu_down_mpic(int crash_shutdown, int secondary)
pseries_kexec_cpu_down(crash_shutdown, secondary);
void __init setup_kexec_cpu_down_mpic(void)
ppc_md.kexec_cpu_down = pseries_kexec_cpu_down_mpic;
static void pseries_kexec_cpu_down_xics(int crash_shutdown, int secondary)
pseries_kexec_cpu_down(crash_shutdown, secondary);
void __init setup_kexec_cpu_down_xics(void)
ppc_md.kexec_cpu_down = pseries_kexec_cpu_down_xics;
static int __init pseries_kexec_setup(void)
ppc_md.machine_kexec = default_machine_kexec;
ppc_md.machine_kexec_prepare = default_machine_kexec_prepare;
ppc_md.machine_crash_shutdown = default_machine_crash_shutdown;
return 0;