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 */ 121