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 extern long pseries_machine_check_realmode(struct pt_regs *regs);
  28
  29 #ifdef CONFIG_SMP
  30 extern void smp_init_pseries(void);
  31
  32 /* Get state of physical CPU from query_cpu_stopped */
  33 int smp_query_cpu_stopped(unsigned int pcpu);
  34 #define QCSS_STOPPED 0
  35 #define QCSS_STOPPING 1
  36 #define QCSS_NOT_STOPPED 2
  37 #define QCSS_HARDWARE_ERROR -1
  38 #define QCSS_HARDWARE_BUSY -2
  39 #else
  40 static inline void smp_init_pseries(void) { };
  41 #endif
  42
  43 extern void pseries_kexec_cpu_down(int crash_shutdown, int secondary);
  44
  45 extern void pSeries_final_fixup(void);
  46
  47 /* Poweron flag used for enabling auto ups restart */
  48 extern unsigned long rtas_poweron_auto;
  49
  50 /* Provided by HVC VIO */
  51 extern void hvc_vio_init_early(void);
  52
  53 /* Dynamic logical Partitioning/Mobility */
  54 extern void dlpar_free_cc_nodes(struct device_node *);
  55 extern void dlpar_free_cc_property(struct property *);
  56 extern struct device_node *dlpar_configure_connector(__be32,
  57                                                 struct device_node *);
  58 extern int dlpar_attach_node(struct device_node *, struct device_node *);
  59 extern int dlpar_detach_node(struct device_node *);
  60 extern int dlpar_acquire_drc(u32 drc_index);
  61 extern int dlpar_release_drc(u32 drc_index);
  62
  63 void queue_hotplug_event(struct pseries_hp_errorlog *hp_errlog);
  64 int handle_dlpar_errorlog(struct pseries_hp_errorlog *hp_errlog);
  65
  66 #ifdef CONFIG_MEMORY_HOTPLUG
  67 int dlpar_memory(struct pseries_hp_errorlog *hp_elog);
  68 int dlpar_hp_pmem(struct pseries_hp_errorlog *hp_elog);
  69 #else
  70 static inline int dlpar_memory(struct pseries_hp_errorlog *hp_elog)
  71 {
  72         return -EOPNOTSUPP;
  73 }
  74 static inline int dlpar_hp_pmem(struct pseries_hp_errorlog *hp_elog)
  75 {
  76         return -EOPNOTSUPP;
  77 }
  78 #endif
  79
  80 #ifdef CONFIG_HOTPLUG_CPU
  81 int dlpar_cpu(struct pseries_hp_errorlog *hp_elog);
  82 #else
  83 static inline int dlpar_cpu(struct pseries_hp_errorlog *hp_elog)
  84 {
  85         return -EOPNOTSUPP;
  86 }
  87 #endif
  88
  89 /* PCI root bridge prepare function override for pseries */
  90 struct pci_host_bridge;
  91 int pseries_root_bridge_prepare(struct pci_host_bridge *bridge);
  92
  93 extern struct pci_controller_ops pseries_pci_controller_ops;
  94
  95 unsigned long pseries_memory_block_size(void);
  96
  97 extern int CMO_PrPSP;
  98 extern int CMO_SecPSP;
  99 extern unsigned long CMO_PageSize;
 100
 101 static inline int cmo_get_primary_psp(void)
 102 {
 103         return CMO_PrPSP;
 104 }
 105
 106 static inline int cmo_get_secondary_psp(void)
 107 {
 108         return CMO_SecPSP;
 109 }
 110
 111 static inline unsigned long cmo_get_page_size(void)
 112 {
 113         return CMO_PageSize;
 114 }
 115
 116 int dlpar_workqueue_init(void);
 117
 118 void pseries_setup_rfi_flush(void);
 119
 120 #endif /* _PSERIES_PSERIES_H */