1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * Copyright 2006 IBM Corporation.
6 #ifndef _PSERIES_PSERIES_H
7 #define _PSERIES_PSERIES_H
9 #include <linux/interrupt.h>
14 extern void request_event_sources_irqs(struct device_node *np,
15 irq_handler_t handler, const char *name);
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);
26 extern void smp_init_pseries(void);
28 /* Get state of physical CPU from query_cpu_stopped */
29 int smp_query_cpu_stopped(unsigned int pcpu);
30 #define QCSS_STOPPED 0
31 #define QCSS_STOPPING 1
32 #define QCSS_NOT_STOPPED 2
33 #define QCSS_HARDWARE_ERROR -1
34 #define QCSS_HARDWARE_BUSY -2
36 static inline void smp_init_pseries(void) { }
39 extern void pseries_kexec_cpu_down(int crash_shutdown, int secondary);
41 extern void pSeries_final_fixup(void);
43 /* Poweron flag used for enabling auto ups restart */
44 extern unsigned long rtas_poweron_auto;
46 /* Dynamic logical Partitioning/Mobility */
47 extern void dlpar_free_cc_nodes(struct device_node *);
48 extern void dlpar_free_cc_property(struct property *);
49 extern struct device_node *dlpar_configure_connector(__be32,
50 struct device_node *);
51 extern int dlpar_attach_node(struct device_node *, struct device_node *);
52 extern int dlpar_detach_node(struct device_node *);
53 extern int dlpar_acquire_drc(u32 drc_index);
54 extern int dlpar_release_drc(u32 drc_index);
55 extern int dlpar_unisolate_drc(u32 drc_index);
57 void queue_hotplug_event(struct pseries_hp_errorlog *hp_errlog);
58 int handle_dlpar_errorlog(struct pseries_hp_errorlog *hp_errlog);
60 #ifdef CONFIG_MEMORY_HOTPLUG
61 int dlpar_memory(struct pseries_hp_errorlog *hp_elog);
62 int dlpar_hp_pmem(struct pseries_hp_errorlog *hp_elog);
64 static inline int dlpar_memory(struct pseries_hp_errorlog *hp_elog)
68 static inline int dlpar_hp_pmem(struct pseries_hp_errorlog *hp_elog)
74 #ifdef CONFIG_HOTPLUG_CPU
75 int dlpar_cpu(struct pseries_hp_errorlog *hp_elog);
77 static inline int dlpar_cpu(struct pseries_hp_errorlog *hp_elog)
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);
87 extern struct pci_controller_ops pseries_pci_controller_ops;
88 int pseries_msi_allocate_domains(struct pci_controller *phb);
89 void pseries_msi_free_domains(struct pci_controller *phb);
91 unsigned long pseries_memory_block_size(void);
94 extern int CMO_SecPSP;
95 extern unsigned long CMO_PageSize;
97 static inline int cmo_get_primary_psp(void)
102 static inline int cmo_get_secondary_psp(void)
107 static inline unsigned long cmo_get_page_size(void)
112 int dlpar_workqueue_init(void);
114 extern u32 pseries_security_flavor;
115 void pseries_setup_security_mitigations(void);
116 void pseries_lpar_read_hblkrm_characteristics(void);
118 void pseries_rng_init(void);
120 #endif /* _PSERIES_PSERIES_H */