diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /arch/powerpc/platforms/pseries/pseries.h | |
parent | Initial commit. (diff) | |
download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip |
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/powerpc/platforms/pseries/pseries.h')
-rw-r--r-- | arch/powerpc/platforms/pseries/pseries.h | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/pseries/pseries.h b/arch/powerpc/platforms/pseries/pseries.h new file mode 100644 index 000000000..1d75b7742 --- /dev/null +++ b/arch/powerpc/platforms/pseries/pseries.h @@ -0,0 +1,127 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Copyright 2006 IBM Corporation. + */ + +#ifndef _PSERIES_PSERIES_H +#define _PSERIES_PSERIES_H + +#include <linux/interrupt.h> +#include <asm/rtas.h> + +struct device_node; + +void __init request_event_sources_irqs(struct device_node *np, + irq_handler_t handler, const char *name); + +#include <linux/of.h> + +struct pt_regs; + +extern int pSeries_system_reset_exception(struct pt_regs *regs); +extern int pSeries_machine_check_exception(struct pt_regs *regs); +extern long pseries_machine_check_realmode(struct pt_regs *regs); +void pSeries_machine_check_log_err(void); + +#ifdef CONFIG_SMP +extern void smp_init_pseries(void); + +/* Get state of physical CPU from query_cpu_stopped */ +int smp_query_cpu_stopped(unsigned int pcpu); +#define QCSS_STOPPED 0 +#define QCSS_STOPPING 1 +#define QCSS_NOT_STOPPED 2 +#define QCSS_HARDWARE_ERROR -1 +#define QCSS_HARDWARE_BUSY -2 +#else +static inline void smp_init_pseries(void) { } +#endif + +extern void pseries_kexec_cpu_down(int crash_shutdown, int secondary); +void pseries_machine_kexec(struct kimage *image); + +extern void pSeries_final_fixup(void); + +/* Poweron flag used for enabling auto ups restart */ +extern unsigned long rtas_poweron_auto; + +/* Dynamic logical Partitioning/Mobility */ +extern void dlpar_free_cc_nodes(struct device_node *); +extern void dlpar_free_cc_property(struct property *); +extern struct device_node *dlpar_configure_connector(__be32, + struct device_node *); +extern int dlpar_attach_node(struct device_node *, struct device_node *); +extern int dlpar_detach_node(struct device_node *); +extern int dlpar_acquire_drc(u32 drc_index); +extern int dlpar_release_drc(u32 drc_index); +extern int dlpar_unisolate_drc(u32 drc_index); + +void queue_hotplug_event(struct pseries_hp_errorlog *hp_errlog); +int handle_dlpar_errorlog(struct pseries_hp_errorlog *hp_errlog); + +#ifdef CONFIG_MEMORY_HOTPLUG +int dlpar_memory(struct pseries_hp_errorlog *hp_elog); +int dlpar_hp_pmem(struct pseries_hp_errorlog *hp_elog); +#else +static inline int dlpar_memory(struct pseries_hp_errorlog *hp_elog) +{ + return -EOPNOTSUPP; +} +static inline int dlpar_hp_pmem(struct pseries_hp_errorlog *hp_elog) +{ + return -EOPNOTSUPP; +} +#endif + +#ifdef CONFIG_HOTPLUG_CPU +int dlpar_cpu(struct pseries_hp_errorlog *hp_elog); +#else +static inline int dlpar_cpu(struct pseries_hp_errorlog *hp_elog) +{ + return -EOPNOTSUPP; +} +#endif + +/* PCI root bridge prepare function override for pseries */ +struct pci_host_bridge; +int pseries_root_bridge_prepare(struct pci_host_bridge *bridge); + +extern struct pci_controller_ops pseries_pci_controller_ops; +int pseries_msi_allocate_domains(struct pci_controller *phb); +void pseries_msi_free_domains(struct pci_controller *phb); + +unsigned long pseries_memory_block_size(void); + +extern int CMO_PrPSP; +extern int CMO_SecPSP; +extern unsigned long CMO_PageSize; + +static inline int cmo_get_primary_psp(void) +{ + return CMO_PrPSP; +} + +static inline int cmo_get_secondary_psp(void) +{ + return CMO_SecPSP; +} + +static inline unsigned long cmo_get_page_size(void) +{ + return CMO_PageSize; +} + +int dlpar_workqueue_init(void); + +extern u32 pseries_security_flavor; +void pseries_setup_security_mitigations(void); + +#ifdef CONFIG_PPC_64S_HASH_MMU +void pseries_lpar_read_hblkrm_characteristics(void); +#else +static inline void pseries_lpar_read_hblkrm_characteristics(void) { } +#endif + +void pseries_rng_init(void); + +#endif /* _PSERIES_PSERIES_H */ |