1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-or-later */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Copyright 2006 IBM Corporation. 4*4882a593Smuzhiyun */ 5*4882a593Smuzhiyun 6*4882a593Smuzhiyun #ifndef _PSERIES_PSERIES_H 7*4882a593Smuzhiyun #define _PSERIES_PSERIES_H 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun #include <linux/interrupt.h> 10*4882a593Smuzhiyun #include <asm/rtas.h> 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun struct device_node; 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun extern void request_event_sources_irqs(struct device_node *np, 15*4882a593Smuzhiyun irq_handler_t handler, const char *name); 16*4882a593Smuzhiyun 17*4882a593Smuzhiyun #include <linux/of.h> 18*4882a593Smuzhiyun 19*4882a593Smuzhiyun struct pt_regs; 20*4882a593Smuzhiyun 21*4882a593Smuzhiyun extern int pSeries_system_reset_exception(struct pt_regs *regs); 22*4882a593Smuzhiyun extern int pSeries_machine_check_exception(struct pt_regs *regs); 23*4882a593Smuzhiyun extern long pseries_machine_check_realmode(struct pt_regs *regs); 24*4882a593Smuzhiyun 25*4882a593Smuzhiyun #ifdef CONFIG_SMP 26*4882a593Smuzhiyun extern void smp_init_pseries(void); 27*4882a593Smuzhiyun 28*4882a593Smuzhiyun /* Get state of physical CPU from query_cpu_stopped */ 29*4882a593Smuzhiyun int smp_query_cpu_stopped(unsigned int pcpu); 30*4882a593Smuzhiyun #define QCSS_STOPPED 0 31*4882a593Smuzhiyun #define QCSS_STOPPING 1 32*4882a593Smuzhiyun #define QCSS_NOT_STOPPED 2 33*4882a593Smuzhiyun #define QCSS_HARDWARE_ERROR -1 34*4882a593Smuzhiyun #define QCSS_HARDWARE_BUSY -2 35*4882a593Smuzhiyun #else smp_init_pseries(void)36*4882a593Smuzhiyunstatic inline void smp_init_pseries(void) { }; 37*4882a593Smuzhiyun #endif 38*4882a593Smuzhiyun 39*4882a593Smuzhiyun extern void pseries_kexec_cpu_down(int crash_shutdown, int secondary); 40*4882a593Smuzhiyun 41*4882a593Smuzhiyun extern void pSeries_final_fixup(void); 42*4882a593Smuzhiyun 43*4882a593Smuzhiyun /* Poweron flag used for enabling auto ups restart */ 44*4882a593Smuzhiyun extern unsigned long rtas_poweron_auto; 45*4882a593Smuzhiyun 46*4882a593Smuzhiyun /* Provided by HVC VIO */ 47*4882a593Smuzhiyun extern void hvc_vio_init_early(void); 48*4882a593Smuzhiyun 49*4882a593Smuzhiyun /* Dynamic logical Partitioning/Mobility */ 50*4882a593Smuzhiyun extern void dlpar_free_cc_nodes(struct device_node *); 51*4882a593Smuzhiyun extern void dlpar_free_cc_property(struct property *); 52*4882a593Smuzhiyun extern struct device_node *dlpar_configure_connector(__be32, 53*4882a593Smuzhiyun struct device_node *); 54*4882a593Smuzhiyun extern int dlpar_attach_node(struct device_node *, struct device_node *); 55*4882a593Smuzhiyun extern int dlpar_detach_node(struct device_node *); 56*4882a593Smuzhiyun extern int dlpar_acquire_drc(u32 drc_index); 57*4882a593Smuzhiyun extern int dlpar_release_drc(u32 drc_index); 58*4882a593Smuzhiyun 59*4882a593Smuzhiyun void queue_hotplug_event(struct pseries_hp_errorlog *hp_errlog); 60*4882a593Smuzhiyun int handle_dlpar_errorlog(struct pseries_hp_errorlog *hp_errlog); 61*4882a593Smuzhiyun 62*4882a593Smuzhiyun #ifdef CONFIG_MEMORY_HOTPLUG 63*4882a593Smuzhiyun int dlpar_memory(struct pseries_hp_errorlog *hp_elog); 64*4882a593Smuzhiyun int dlpar_hp_pmem(struct pseries_hp_errorlog *hp_elog); 65*4882a593Smuzhiyun #else dlpar_memory(struct pseries_hp_errorlog * hp_elog)66*4882a593Smuzhiyunstatic inline int dlpar_memory(struct pseries_hp_errorlog *hp_elog) 67*4882a593Smuzhiyun { 68*4882a593Smuzhiyun return -EOPNOTSUPP; 69*4882a593Smuzhiyun } dlpar_hp_pmem(struct pseries_hp_errorlog * hp_elog)70*4882a593Smuzhiyunstatic inline int dlpar_hp_pmem(struct pseries_hp_errorlog *hp_elog) 71*4882a593Smuzhiyun { 72*4882a593Smuzhiyun return -EOPNOTSUPP; 73*4882a593Smuzhiyun } 74*4882a593Smuzhiyun #endif 75*4882a593Smuzhiyun 76*4882a593Smuzhiyun #ifdef CONFIG_HOTPLUG_CPU 77*4882a593Smuzhiyun int dlpar_cpu(struct pseries_hp_errorlog *hp_elog); 78*4882a593Smuzhiyun #else dlpar_cpu(struct pseries_hp_errorlog * hp_elog)79*4882a593Smuzhiyunstatic inline int dlpar_cpu(struct pseries_hp_errorlog *hp_elog) 80*4882a593Smuzhiyun { 81*4882a593Smuzhiyun return -EOPNOTSUPP; 82*4882a593Smuzhiyun } 83*4882a593Smuzhiyun #endif 84*4882a593Smuzhiyun 85*4882a593Smuzhiyun /* PCI root bridge prepare function override for pseries */ 86*4882a593Smuzhiyun struct pci_host_bridge; 87*4882a593Smuzhiyun int pseries_root_bridge_prepare(struct pci_host_bridge *bridge); 88*4882a593Smuzhiyun 89*4882a593Smuzhiyun extern struct pci_controller_ops pseries_pci_controller_ops; 90*4882a593Smuzhiyun 91*4882a593Smuzhiyun unsigned long pseries_memory_block_size(void); 92*4882a593Smuzhiyun 93*4882a593Smuzhiyun extern int CMO_PrPSP; 94*4882a593Smuzhiyun extern int CMO_SecPSP; 95*4882a593Smuzhiyun extern unsigned long CMO_PageSize; 96*4882a593Smuzhiyun cmo_get_primary_psp(void)97*4882a593Smuzhiyunstatic inline int cmo_get_primary_psp(void) 98*4882a593Smuzhiyun { 99*4882a593Smuzhiyun return CMO_PrPSP; 100*4882a593Smuzhiyun } 101*4882a593Smuzhiyun cmo_get_secondary_psp(void)102*4882a593Smuzhiyunstatic inline int cmo_get_secondary_psp(void) 103*4882a593Smuzhiyun { 104*4882a593Smuzhiyun return CMO_SecPSP; 105*4882a593Smuzhiyun } 106*4882a593Smuzhiyun cmo_get_page_size(void)107*4882a593Smuzhiyunstatic inline unsigned long cmo_get_page_size(void) 108*4882a593Smuzhiyun { 109*4882a593Smuzhiyun return CMO_PageSize; 110*4882a593Smuzhiyun } 111*4882a593Smuzhiyun 112*4882a593Smuzhiyun int dlpar_workqueue_init(void); 113*4882a593Smuzhiyun 114*4882a593Smuzhiyun void pseries_setup_security_mitigations(void); 115*4882a593Smuzhiyun void pseries_lpar_read_hblkrm_characteristics(void); 116*4882a593Smuzhiyun 117*4882a593Smuzhiyun void pseries_rng_init(void); 118*4882a593Smuzhiyun 119*4882a593Smuzhiyun #endif /* _PSERIES_PSERIES_H */ 120