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kernel/linux-rt-4.4.41/arch/powerpc/platforms/pseries/pseries.h 2.41 KB
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  /*
   * 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>
  
  extern void __init fw_hypertas_feature_init(const char *hypertas,
  					    unsigned long len);
  extern void __init fw_vec5_feature_init(const char *hypertas,
  					unsigned long len);
  
  struct pt_regs;
  
  extern int pSeries_system_reset_exception(struct pt_regs *regs);
  extern int pSeries_machine_check_exception(struct pt_regs *regs);
  
  #ifdef CONFIG_SMP
  extern void smp_init_pseries_mpic(void);
  extern void smp_init_pseries_xics(void);
  #else
  static inline void smp_init_pseries_mpic(void) { };
  static inline void smp_init_pseries_xics(void) { };
  #endif
  
  #ifdef CONFIG_KEXEC
  extern void setup_kexec_cpu_down_xics(void);
  extern void setup_kexec_cpu_down_mpic(void);
  #else
  static inline void setup_kexec_cpu_down_xics(void) { }
  static inline void setup_kexec_cpu_down_mpic(void) { }
  #endif
  
  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 *);
  extern int dlpar_detach_node(struct device_node *);
  extern int dlpar_acquire_drc(u32 drc_index);
  extern int dlpar_release_drc(u32 drc_index);
  
  #ifdef CONFIG_MEMORY_HOTPLUG
  int dlpar_memory(struct pseries_hp_errorlog *hp_elog);
  #else
  static inline int dlpar_memory(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);
  
  #endif /* _PSERIES_PSERIES_H */