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/arch/powerpc/platforms/pseries/pseries.h

http://github.com/mirrors/linux
C Header | 117 lines | 81 code | 27 blank | 9 comment | 0 complexity | a6568caf7548653e4e79a2841abffa08 MD5 | raw file
  1/* SPDX-License-Identifier: GPL-2.0-or-later */
  2/*
  3 * Copyright 2006 IBM Corporation.
  4 */
  5
  6#ifndef _PSERIES_PSERIES_H
  7#define _PSERIES_PSERIES_H
  8
  9#include <linux/interrupt.h>
 10#include <asm/rtas.h>
 11
 12struct device_node;
 13
 14extern void request_event_sources_irqs(struct device_node *np,
 15				       irq_handler_t handler, const char *name);
 16
 17#include <linux/of.h>
 18
 19struct pt_regs;
 20
 21extern int pSeries_system_reset_exception(struct pt_regs *regs);
 22extern int pSeries_machine_check_exception(struct pt_regs *regs);
 23extern long pseries_machine_check_realmode(struct pt_regs *regs);
 24
 25#ifdef CONFIG_SMP
 26extern void smp_init_pseries(void);
 27
 28/* Get state of physical CPU from query_cpu_stopped */
 29int smp_query_cpu_stopped(unsigned int pcpu);
 30#define QCSS_STOPPED 0
 31#define QCSS_STOPPING 1
 32#define QCSS_NOT_STOPPED 2
 33#define QCSS_HARDWARE_ERROR -1
 34#define QCSS_HARDWARE_BUSY -2
 35#else
 36static inline void smp_init_pseries(void) { };
 37#endif
 38
 39extern void pseries_kexec_cpu_down(int crash_shutdown, int secondary);
 40
 41extern void pSeries_final_fixup(void);
 42
 43/* Poweron flag used for enabling auto ups restart */
 44extern unsigned long rtas_poweron_auto;
 45
 46/* Provided by HVC VIO */
 47extern void hvc_vio_init_early(void);
 48
 49/* Dynamic logical Partitioning/Mobility */
 50extern void dlpar_free_cc_nodes(struct device_node *);
 51extern void dlpar_free_cc_property(struct property *);
 52extern struct device_node *dlpar_configure_connector(__be32,
 53						struct device_node *);
 54extern int dlpar_attach_node(struct device_node *, struct device_node *);
 55extern int dlpar_detach_node(struct device_node *);
 56extern int dlpar_acquire_drc(u32 drc_index);
 57extern int dlpar_release_drc(u32 drc_index);
 58
 59void queue_hotplug_event(struct pseries_hp_errorlog *hp_errlog);
 60int handle_dlpar_errorlog(struct pseries_hp_errorlog *hp_errlog);
 61
 62#ifdef CONFIG_MEMORY_HOTPLUG
 63int dlpar_memory(struct pseries_hp_errorlog *hp_elog);
 64int dlpar_hp_pmem(struct pseries_hp_errorlog *hp_elog);
 65#else
 66static inline int dlpar_memory(struct pseries_hp_errorlog *hp_elog)
 67{
 68	return -EOPNOTSUPP;
 69}
 70static inline int dlpar_hp_pmem(struct pseries_hp_errorlog *hp_elog)
 71{
 72	return -EOPNOTSUPP;
 73}
 74#endif
 75
 76#ifdef CONFIG_HOTPLUG_CPU
 77int dlpar_cpu(struct pseries_hp_errorlog *hp_elog);
 78#else
 79static inline int dlpar_cpu(struct pseries_hp_errorlog *hp_elog)
 80{
 81	return -EOPNOTSUPP;
 82}
 83#endif
 84
 85/* PCI root bridge prepare function override for pseries */
 86struct pci_host_bridge;
 87int pseries_root_bridge_prepare(struct pci_host_bridge *bridge);
 88
 89extern struct pci_controller_ops pseries_pci_controller_ops;
 90
 91unsigned long pseries_memory_block_size(void);
 92
 93extern int CMO_PrPSP;
 94extern int CMO_SecPSP;
 95extern unsigned long CMO_PageSize;
 96
 97static inline int cmo_get_primary_psp(void)
 98{
 99	return CMO_PrPSP;
100}
101
102static inline int cmo_get_secondary_psp(void)
103{
104	return CMO_SecPSP;
105}
106
107static inline unsigned long cmo_get_page_size(void)
108{
109	return CMO_PageSize;
110}
111
112int dlpar_workqueue_init(void);
113
114void pseries_setup_rfi_flush(void);
115void pseries_lpar_read_hblkrm_characteristics(void);
116
117#endif /* _PSERIES_PSERIES_H */