mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-28 11:18:45 +07:00
4c5d87db49
This patch implements support for discovering storage class memory devices at boot and for handling hotplug of new regions via RTAS hotplug events. Signed-off-by: Oliver O'Halloran <oohall@gmail.com> [mpe: Fix CONFIG_MEMORY_HOTPLUG=n build] Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
121 lines
3.1 KiB
C
121 lines
3.1 KiB
C
/*
|
|
* Copyright 2006 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.
|
|
*/
|
|
|
|
#ifndef _PSERIES_PSERIES_H
|
|
#define _PSERIES_PSERIES_H
|
|
|
|
#include <linux/interrupt.h>
|
|
#include <asm/rtas.h>
|
|
|
|
struct device_node;
|
|
|
|
extern void request_event_sources_irqs(struct device_node *np,
|
|
irq_handler_t handler, const char *name);
|
|
|
|
#include <linux/of.h>
|
|
|
|
struct pt_regs;
|
|
|
|
extern int pSeries_system_reset_exception(struct pt_regs *regs);
|
|
extern int pSeries_machine_check_exception(struct pt_regs *regs);
|
|
extern long pseries_machine_check_realmode(struct pt_regs *regs);
|
|
|
|
#ifdef CONFIG_SMP
|
|
extern void smp_init_pseries(void);
|
|
|
|
/* Get state of physical CPU from query_cpu_stopped */
|
|
int smp_query_cpu_stopped(unsigned int pcpu);
|
|
#define QCSS_STOPPED 0
|
|
#define QCSS_STOPPING 1
|
|
#define QCSS_NOT_STOPPED 2
|
|
#define QCSS_HARDWARE_ERROR -1
|
|
#define QCSS_HARDWARE_BUSY -2
|
|
#else
|
|
static inline void smp_init_pseries(void) { };
|
|
#endif
|
|
|
|
extern void pseries_kexec_cpu_down(int crash_shutdown, int secondary);
|
|
|
|
extern void pSeries_final_fixup(void);
|
|
|
|
/* Poweron flag used for enabling auto ups restart */
|
|
extern unsigned long rtas_poweron_auto;
|
|
|
|
/* Provided by HVC VIO */
|
|
extern void hvc_vio_init_early(void);
|
|
|
|
/* Dynamic logical Partitioning/Mobility */
|
|
extern void dlpar_free_cc_nodes(struct device_node *);
|
|
extern void dlpar_free_cc_property(struct property *);
|
|
extern struct device_node *dlpar_configure_connector(__be32,
|
|
struct device_node *);
|
|
extern int dlpar_attach_node(struct device_node *, struct device_node *);
|
|
extern int dlpar_detach_node(struct device_node *);
|
|
extern int dlpar_acquire_drc(u32 drc_index);
|
|
extern int dlpar_release_drc(u32 drc_index);
|
|
|
|
void queue_hotplug_event(struct pseries_hp_errorlog *hp_errlog);
|
|
int handle_dlpar_errorlog(struct pseries_hp_errorlog *hp_errlog);
|
|
|
|
#ifdef CONFIG_MEMORY_HOTPLUG
|
|
int dlpar_memory(struct pseries_hp_errorlog *hp_elog);
|
|
int dlpar_hp_pmem(struct pseries_hp_errorlog *hp_elog);
|
|
#else
|
|
static inline int dlpar_memory(struct pseries_hp_errorlog *hp_elog)
|
|
{
|
|
return -EOPNOTSUPP;
|
|
}
|
|
static inline int dlpar_hp_pmem(struct pseries_hp_errorlog *hp_elog)
|
|
{
|
|
return -EOPNOTSUPP;
|
|
}
|
|
#endif
|
|
|
|
#ifdef CONFIG_HOTPLUG_CPU
|
|
int dlpar_cpu(struct pseries_hp_errorlog *hp_elog);
|
|
#else
|
|
static inline int dlpar_cpu(struct pseries_hp_errorlog *hp_elog)
|
|
{
|
|
return -EOPNOTSUPP;
|
|
}
|
|
#endif
|
|
|
|
/* PCI root bridge prepare function override for pseries */
|
|
struct pci_host_bridge;
|
|
int pseries_root_bridge_prepare(struct pci_host_bridge *bridge);
|
|
|
|
extern struct pci_controller_ops pseries_pci_controller_ops;
|
|
|
|
unsigned long pseries_memory_block_size(void);
|
|
|
|
extern int CMO_PrPSP;
|
|
extern int CMO_SecPSP;
|
|
extern unsigned long CMO_PageSize;
|
|
|
|
static inline int cmo_get_primary_psp(void)
|
|
{
|
|
return CMO_PrPSP;
|
|
}
|
|
|
|
static inline int cmo_get_secondary_psp(void)
|
|
{
|
|
return CMO_SecPSP;
|
|
}
|
|
|
|
static inline unsigned long cmo_get_page_size(void)
|
|
{
|
|
return CMO_PageSize;
|
|
}
|
|
|
|
int dlpar_workqueue_init(void);
|
|
|
|
void pseries_setup_rfi_flush(void);
|
|
|
|
#endif /* _PSERIES_PSERIES_H */
|