include/asm/machdep.h

22 struct machdep_calls {  struct
23 	const char	*name;
24 	const char	*compatible;
27 	void		(*iommu_restore)(void);
30 	unsigned long	(*memory_block_size)(void);
34 	void		(*dma_set_mask)(struct device *dev, u64 dma_mask);
36 	int		(*probe)(void);
37 	void		(*setup_arch)(void); /* Optional, may be NULL */
39 	void		(*show_cpuinfo)(struct seq_file *m);
41 	unsigned long  	(*get_proc_freq)(unsigned int cpu);
43 	void		(*init_IRQ)(void);
46 	unsigned int	(*get_irq)(void);
50 	void		(*pcibios_fixup)(void);
51 	void		(*pci_irq_fixup)(struct pci_dev *dev);
52 	int		(*pcibios_root_bridge_prepare)(struct pci_host_bridge
56 	void 		(*discover_phbs)(void);
59 	int		(*pci_setup_phb)(struct pci_controller *host);
61 	void __noreturn	(*restart)(char *cmd);
62 	void __noreturn (*halt)(void);
63 	void		(*panic)(char *str);
65 	long		(*time_init)(void); /* Optional, may be NULL */
67 	int		(*set_rtc_time)(struct rtc_time *);
68 	void		(*get_rtc_time)(struct rtc_time *);
69 	time64_t	(*get_boot_time)(void);
71 	void		(*calibrate_decr)(void);
73 	void		(*progress)(char *, unsigned short);
76 	void 		(*log_error)(char *buf, unsigned int err_type, int fatal);
78 	unsigned char 	(*nvram_read_val)(int addr);
79 	void		(*nvram_write_val)(int addr, unsigned char val);
80 	ssize_t		(*nvram_write)(char *buf, size_t count, loff_t *index);
81 	ssize_t		(*nvram_read)(char *buf, size_t count, loff_t *index);
82 	ssize_t		(*nvram_size)(void);
83 	void		(*nvram_sync)(void);
86 	int		(*system_reset_exception)(struct pt_regs *regs);
87 	int 		(*machine_check_exception)(struct pt_regs *regs);
88 	int		(*handle_hmi_exception)(struct pt_regs *regs);
91 	int		(*hmi_exception_early)(struct pt_regs *regs);
92 	long		(*machine_check_early)(struct pt_regs *regs);
95 	bool		(*mce_check_early_recovery)(struct pt_regs *regs);
97 	void            (*machine_check_log_err)(void);
103 	long	 	(*feature_call)(unsigned int feature, ...);
106 	int		(*pci_get_legacy_ide_irq)(struct pci_dev *dev, int channel);
109 	pgprot_t	(*phys_mem_access_prot)(unsigned long pfn,
117 	void		(*power_save)(void);
121 	void		(*enable_pmcs)(void);
124 	int		(*set_dabr)(unsigned long dabr,
128 	int		(*set_dawr)(int nr, unsigned long dawr,
134 	void		(*init)(void);
140 	void (*pcibios_after_init)(void);
145 	int (*pci_exclude_device)(struct pci_controller *, unsigned char, unsigned char);
149 	void (*pcibios_fixup_resources)(struct pci_dev *);
152 	void (*pcibios_fixup_bus)(struct pci_bus *);
155 	void (*pcibios_fixup_phb)(struct pci_controller *hose);
161 	void (*pcibios_bus_add_device)(struct pci_dev *pdev);
163 	resource_size_t (*pcibios_default_alignment)(void);
166 	void (*pcibios_fixup_sriov)(struct pci_dev *pdev);
167 	resource_size_t (*pcibios_iov_resource_alignment)(struct pci_dev *, int resno);
168 	int (*pcibios_sriov_enable)(struct pci_dev *pdev, u16 num_vfs);
169 	int (*pcibios_sriov_disable)(struct pci_dev *pdev);
175 	void (*machine_shutdown)(void);
178 	void (*kexec_cpu_down)(int crash_shutdown, int secondary);
184 	void (*machine_kexec)(struct kimage *image);
214 extern struct machdep_calls ppc_md;  argument