xref: /linux/arch/powerpc/platforms/pseries/pseries.h (revision b85d45947951d23cb22d90caecf4c1eb81342c96)
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_mpic(void);
35 extern void smp_init_pseries_xics(void);
36 #else
37 static inline void smp_init_pseries_mpic(void) { };
38 static inline void smp_init_pseries_xics(void) { };
39 #endif
40 
41 #ifdef CONFIG_KEXEC
42 extern void setup_kexec_cpu_down_xics(void);
43 extern void setup_kexec_cpu_down_mpic(void);
44 #else
45 static inline void setup_kexec_cpu_down_xics(void) { }
46 static inline void setup_kexec_cpu_down_mpic(void) { }
47 #endif
48 
49 extern void pSeries_final_fixup(void);
50 
51 /* Poweron flag used for enabling auto ups restart */
52 extern unsigned long rtas_poweron_auto;
53 
54 /* Provided by HVC VIO */
55 extern void hvc_vio_init_early(void);
56 
57 /* Dynamic logical Partitioning/Mobility */
58 extern void dlpar_free_cc_nodes(struct device_node *);
59 extern void dlpar_free_cc_property(struct property *);
60 extern struct device_node *dlpar_configure_connector(__be32,
61 						struct device_node *);
62 extern int dlpar_attach_node(struct device_node *);
63 extern int dlpar_detach_node(struct device_node *);
64 extern int dlpar_acquire_drc(u32 drc_index);
65 extern int dlpar_release_drc(u32 drc_index);
66 
67 #ifdef CONFIG_MEMORY_HOTPLUG
68 int dlpar_memory(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 #endif
75 
76 /* PCI root bridge prepare function override for pseries */
77 struct pci_host_bridge;
78 int pseries_root_bridge_prepare(struct pci_host_bridge *bridge);
79 
80 extern struct pci_controller_ops pseries_pci_controller_ops;
81 
82 unsigned long pseries_memory_block_size(void);
83 
84 #endif /* _PSERIES_PSERIES_H */
85