cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

pseries.h (3414B)

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