arch/powerpc/platforms/pseries/pseries.h

   1 /*
   2  * Copyright 2006 IBM Corporation.
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License
   6  * as published by the Free Software Foundation; either version
   7  * 2 of the License, or (at your option) any later version.
   8  */
   9
  10 #ifndef _PSERIES_PSERIES_H
  11 #define _PSERIES_PSERIES_H
  12
  13 #include <linux/interrupt.h>
  14 #include <asm/rtas.h>
  15
  16 struct device_node;
  17
  18 extern void request_event_sources_irqs(struct device_node *np,
  19                                        irq_handler_t handler, const char *name);
  20
  21 #include <linux/of.h>
  22
  23 struct pt_regs;
  24
  25 extern int pSeries_system_reset_exception(struct pt_regs *regs);
  26 extern int pSeries_machine_check_exception(struct pt_regs *regs);
  27
  28 #ifdef CONFIG_SMP
  29 extern void smp_init_pseries(void);
  30 #else
  31 static inline void smp_init_pseries(void) { };
  32 #endif
  33
  34 extern void pseries_kexec_cpu_down(int crash_shutdown, int secondary);
  35
  36 extern void pSeries_final_fixup(void);
  37
  38 /* Poweron flag used for enabling auto ups restart */
  39 extern unsigned long rtas_poweron_auto;
  40
  41 /* Provided by HVC VIO */
  42 extern void hvc_vio_init_early(void);
  43
  44 /* Dynamic logical Partitioning/Mobility */
  45 extern void dlpar_free_cc_nodes(struct device_node *);
  46 extern void dlpar_free_cc_property(struct property *);
  47 extern struct device_node *dlpar_configure_connector(__be32,
  48                                                 struct device_node *);
  49 extern int dlpar_attach_node(struct device_node *);
  50 extern int dlpar_detach_node(struct device_node *);
  51 extern int dlpar_acquire_drc(u32 drc_index);
  52 extern int dlpar_release_drc(u32 drc_index);
  53
  54 void queue_hotplug_event(struct pseries_hp_errorlog *hp_errlog,
  55                          struct completion *hotplug_done, int *rc);
  56 #ifdef CONFIG_MEMORY_HOTPLUG
  57 int dlpar_memory(struct pseries_hp_errorlog *hp_elog);
  58 #else
  59 static inline int dlpar_memory(struct pseries_hp_errorlog *hp_elog)
  60 {
  61         return -EOPNOTSUPP;
  62 }
  63 #endif
  64
  65 #ifdef CONFIG_HOTPLUG_CPU
  66 int dlpar_cpu(struct pseries_hp_errorlog *hp_elog);
  67 #else
  68 static inline int dlpar_cpu(struct pseries_hp_errorlog *hp_elog)
  69 {
  70         return -EOPNOTSUPP;
  71 }
  72 #endif
  73
  74 /* PCI root bridge prepare function override for pseries */
  75 struct pci_host_bridge;
  76 int pseries_root_bridge_prepare(struct pci_host_bridge *bridge);
  77
  78 extern struct pci_controller_ops pseries_pci_controller_ops;
  79
  80 unsigned long pseries_memory_block_size(void);
  81
  82 extern int CMO_PrPSP;
  83 extern int CMO_SecPSP;
  84 extern unsigned long CMO_PageSize;
  85
  86 static inline int cmo_get_primary_psp(void)
  87 {
  88         return CMO_PrPSP;
  89 }
  90
  91 static inline int cmo_get_secondary_psp(void)
  92 {
  93         return CMO_SecPSP;
  94 }
  95
  96 static inline unsigned long cmo_get_page_size(void)
  97 {
  98         return CMO_PageSize;
  99 }
 100
 101 #endif /* _PSERIES_PSERIES_H */