1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
2 | /* |
3 | * Copyright 2006 IBM Corporation. |
4 | */ |
5 | |
6 | #ifndef _PSERIES_PSERIES_H |
7 | #define _PSERIES_PSERIES_H |
8 | |
9 | #include <linux/interrupt.h> |
10 | #include <asm/rtas.h> |
11 | |
12 | struct device_node; |
13 | |
14 | void __init request_event_sources_irqs(struct device_node *np, |
15 | irq_handler_t handler, const char *name); |
16 | |
17 | #include <linux/of.h> |
18 | |
19 | struct pt_regs; |
20 | |
21 | extern int pSeries_system_reset_exception(struct pt_regs *regs); |
22 | extern int pSeries_machine_check_exception(struct pt_regs *regs); |
23 | extern long pseries_machine_check_realmode(struct pt_regs *regs); |
24 | void pSeries_machine_check_log_err(void); |
25 | |
26 | #ifdef CONFIG_SMP |
27 | extern void smp_init_pseries(void); |
28 | |
29 | /* Get state of physical CPU from query_cpu_stopped */ |
30 | int smp_query_cpu_stopped(unsigned int pcpu); |
31 | #define QCSS_STOPPED 0 |
32 | #define QCSS_STOPPING 1 |
33 | #define QCSS_NOT_STOPPED 2 |
34 | #define QCSS_HARDWARE_ERROR -1 |
35 | #define QCSS_HARDWARE_BUSY -2 |
36 | #else |
37 | static inline void smp_init_pseries(void) { } |
38 | #endif |
39 | |
40 | extern void pseries_kexec_cpu_down(int crash_shutdown, int secondary); |
41 | void pseries_machine_kexec(struct kimage *image); |
42 | |
43 | extern void pSeries_final_fixup(void); |
44 | |
45 | /* Poweron flag used for enabling auto ups restart */ |
46 | extern unsigned long rtas_poweron_auto; |
47 | |
48 | /* Dynamic logical Partitioning/Mobility */ |
49 | extern void dlpar_free_cc_nodes(struct device_node *); |
50 | extern void dlpar_free_cc_property(struct property *); |
51 | extern struct device_node *dlpar_configure_connector(__be32, |
52 | struct device_node *); |
53 | extern int dlpar_attach_node(struct device_node *, struct device_node *); |
54 | extern int dlpar_detach_node(struct device_node *); |
55 | extern int dlpar_acquire_drc(u32 drc_index); |
56 | extern int dlpar_release_drc(u32 drc_index); |
57 | extern int dlpar_unisolate_drc(u32 drc_index); |
58 | |
59 | void queue_hotplug_event(struct pseries_hp_errorlog *hp_errlog); |
60 | int handle_dlpar_errorlog(struct pseries_hp_errorlog *hp_errlog); |
61 | |
62 | #ifdef CONFIG_MEMORY_HOTPLUG |
63 | int dlpar_memory(struct pseries_hp_errorlog *hp_elog); |
64 | int dlpar_hp_pmem(struct pseries_hp_errorlog *hp_elog); |
65 | #else |
66 | static inline int dlpar_memory(struct pseries_hp_errorlog *hp_elog) |
67 | { |
68 | return -EOPNOTSUPP; |
69 | } |
70 | static inline int dlpar_hp_pmem(struct pseries_hp_errorlog *hp_elog) |
71 | { |
72 | return -EOPNOTSUPP; |
73 | } |
74 | #endif |
75 | |
76 | #ifdef CONFIG_HOTPLUG_CPU |
77 | int dlpar_cpu(struct pseries_hp_errorlog *hp_elog); |
78 | void pseries_cpu_hotplug_init(void); |
79 | #else |
80 | static inline int dlpar_cpu(struct pseries_hp_errorlog *hp_elog) |
81 | { |
82 | return -EOPNOTSUPP; |
83 | } |
84 | static inline void pseries_cpu_hotplug_init(void) { } |
85 | #endif |
86 | |
87 | /* PCI root bridge prepare function override for pseries */ |
88 | struct pci_host_bridge; |
89 | int pseries_root_bridge_prepare(struct pci_host_bridge *bridge); |
90 | |
91 | extern struct pci_controller_ops pseries_pci_controller_ops; |
92 | int pseries_msi_allocate_domains(struct pci_controller *phb); |
93 | void pseries_msi_free_domains(struct pci_controller *phb); |
94 | |
95 | extern int CMO_PrPSP; |
96 | extern int CMO_SecPSP; |
97 | extern unsigned long CMO_PageSize; |
98 | |
99 | static inline int cmo_get_primary_psp(void) |
100 | { |
101 | return CMO_PrPSP; |
102 | } |
103 | |
104 | static inline int cmo_get_secondary_psp(void) |
105 | { |
106 | return CMO_SecPSP; |
107 | } |
108 | |
109 | static inline unsigned long cmo_get_page_size(void) |
110 | { |
111 | return CMO_PageSize; |
112 | } |
113 | |
114 | int dlpar_workqueue_init(void); |
115 | |
116 | extern u32 pseries_security_flavor; |
117 | void pseries_setup_security_mitigations(void); |
118 | |
119 | #ifdef CONFIG_PPC_64S_HASH_MMU |
120 | void pseries_lpar_read_hblkrm_characteristics(void); |
121 | #else |
122 | static inline void pseries_lpar_read_hblkrm_characteristics(void) { } |
123 | #endif |
124 | |
125 | void pseries_rng_init(void); |
126 | #ifdef CONFIG_SPAPR_TCE_IOMMU |
127 | struct iommu_group *pSeries_pci_device_group(struct pci_controller *hose, |
128 | struct pci_dev *pdev); |
129 | #endif |
130 | |
131 | #endif /* _PSERIES_PSERIES_H */ |
132 | |