xref: /linux/arch/powerpc/platforms/pseries/pseries.h (revision 86425bedd5b69ea5969ff11bb07c8e5ff7117976)
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 extern void __init fw_hypertas_feature_init(const char *hypertas,
24 					    unsigned long len);
25 extern void __init fw_vec5_feature_init(const char *hypertas,
26 					unsigned long len);
27 
28 struct pt_regs;
29 
30 extern int pSeries_system_reset_exception(struct pt_regs *regs);
31 extern int pSeries_machine_check_exception(struct pt_regs *regs);
32 
33 #ifdef CONFIG_SMP
34 extern void smp_init_pseries(void);
35 #else
36 static inline void smp_init_pseries(void) { };
37 #endif
38 
39 #ifdef CONFIG_KEXEC
40 extern void setup_kexec_cpu_down_xics(void);
41 extern void setup_kexec_cpu_down_mpic(void);
42 #else
43 static inline void setup_kexec_cpu_down_xics(void) { }
44 static inline void setup_kexec_cpu_down_mpic(void) { }
45 #endif
46 
47 extern void pSeries_final_fixup(void);
48 
49 /* Poweron flag used for enabling auto ups restart */
50 extern unsigned long rtas_poweron_auto;
51 
52 /* Provided by HVC VIO */
53 extern void hvc_vio_init_early(void);
54 
55 /* Dynamic logical Partitioning/Mobility */
56 extern void dlpar_free_cc_nodes(struct device_node *);
57 extern void dlpar_free_cc_property(struct property *);
58 extern struct device_node *dlpar_configure_connector(__be32,
59 						struct device_node *);
60 extern int dlpar_attach_node(struct device_node *);
61 extern int dlpar_detach_node(struct device_node *);
62 extern int dlpar_acquire_drc(u32 drc_index);
63 extern int dlpar_release_drc(u32 drc_index);
64 
65 #ifdef CONFIG_MEMORY_HOTPLUG
66 int dlpar_memory(struct pseries_hp_errorlog *hp_elog);
67 #else
68 static inline int dlpar_memory(struct pseries_hp_errorlog *hp_elog)
69 {
70 	return -EOPNOTSUPP;
71 }
72 #endif
73 
74 #ifdef CONFIG_HOTPLUG_CPU
75 int dlpar_cpu(struct pseries_hp_errorlog *hp_elog);
76 #else
77 static inline int dlpar_cpu(struct pseries_hp_errorlog *hp_elog)
78 {
79 	return -EOPNOTSUPP;
80 }
81 #endif
82 
83 /* PCI root bridge prepare function override for pseries */
84 struct pci_host_bridge;
85 int pseries_root_bridge_prepare(struct pci_host_bridge *bridge);
86 
87 extern struct pci_controller_ops pseries_pci_controller_ops;
88 
89 unsigned long pseries_memory_block_size(void);
90 
91 #endif /* _PSERIES_PSERIES_H */
92