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