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machvec.h
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machvec.h
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#ifndef __ALPHA_MACHVEC_H
#define __ALPHA_MACHVEC_H 1
#include <linux/types.h>
/*
* This file gets pulled in by asm/io.h from user space. We don't
* want most of this escaping.
*/
#ifdef __KERNEL__
/* The following structure vectors all of the I/O and IRQ manipulation
from the generic kernel to the hardware specific backend. */
struct task_struct;
struct mm_struct;
struct vm_area_struct;
struct linux_hose_info;
struct pci_dev;
struct pci_ops;
struct pci_controller;
struct _alpha_agp_info;
struct alpha_machine_vector
{
/* This "belongs" down below with the rest of the runtime
variables, but it is convenient for entry.S if these
two slots are at the beginning of the struct. */
unsigned long hae_cache;
unsigned long *hae_register;
int nr_irqs;
int rtc_port;
unsigned int max_asn;
unsigned long max_isa_dma_address;
unsigned long irq_probe_mask;
unsigned long iack_sc;
unsigned long min_io_address;
unsigned long min_mem_address;
unsigned long pci_dac_offset;
void (*mv_pci_tbi)(struct pci_controller *hose,
dma_addr_t start, dma_addr_t end);
unsigned int (*mv_ioread8)(void __iomem *);
unsigned int (*mv_ioread16)(void __iomem *);
unsigned int (*mv_ioread32)(void __iomem *);
void (*mv_iowrite8)(u8, void __iomem *);
void (*mv_iowrite16)(u16, void __iomem *);
void (*mv_iowrite32)(u32, void __iomem *);
u8 (*mv_readb)(const volatile void __iomem *);
u16 (*mv_readw)(const volatile void __iomem *);
u32 (*mv_readl)(const volatile void __iomem *);
u64 (*mv_readq)(const volatile void __iomem *);
void (*mv_writeb)(u8, volatile void __iomem *);
void (*mv_writew)(u16, volatile void __iomem *);
void (*mv_writel)(u32, volatile void __iomem *);
void (*mv_writeq)(u64, volatile void __iomem *);
void __iomem *(*mv_ioportmap)(unsigned long);
void __iomem *(*mv_ioremap)(unsigned long, unsigned long);
void (*mv_iounmap)(volatile void __iomem *);
int (*mv_is_ioaddr)(unsigned long);
int (*mv_is_mmio)(const volatile void __iomem *);
void (*mv_switch_mm)(struct mm_struct *, struct mm_struct *,
struct task_struct *);
void (*mv_activate_mm)(struct mm_struct *, struct mm_struct *);
void (*mv_flush_tlb_current)(struct mm_struct *);
void (*mv_flush_tlb_current_page)(struct mm_struct * mm,
struct vm_area_struct *vma,
unsigned long addr);
void (*update_irq_hw)(unsigned long, unsigned long, int);
void (*ack_irq)(unsigned long);
void (*device_interrupt)(unsigned long vector);
void (*machine_check)(u64 vector, u64 la);
void (*smp_callin)(void);
void (*init_arch)(void);
void (*init_irq)(void);
void (*init_rtc)(void);
void (*init_pci)(void);
void (*kill_arch)(int);
u8 (*pci_swizzle)(struct pci_dev *, u8 *);
int (*pci_map_irq)(struct pci_dev *, u8, u8);
struct pci_ops *pci_ops;
struct _alpha_agp_info *(*agp_info)(void);
const char *vector_name;
/* NUMA information */
int (*pa_to_nid)(unsigned long);
int (*cpuid_to_nid)(int);
unsigned long (*node_mem_start)(int);
unsigned long (*node_mem_size)(int);
/* System specific parameters. */
union {
struct {
unsigned long gru_int_req_bits;
} cia;
struct {
unsigned long gamma_bias;
} t2;
struct {
unsigned int route_tab;
} sio;
} sys;
};
extern struct alpha_machine_vector alpha_mv;
#ifdef CONFIG_ALPHA_GENERIC
extern int alpha_using_srm;
#else
#ifdef CONFIG_ALPHA_SRM
#define alpha_using_srm 1
#else
#define alpha_using_srm 0
#endif
#endif /* GENERIC */
#endif
#endif /* __ALPHA_MACHVEC_H */