LXR linux-old/include/asm-alpha/machvec.h

   1#ifndef __ALPHA_MACHVEC_H
   2#define __ALPHA_MACHVEC_H 1
   3
   4#include <linux/config.h>
   5#include <linux/types.h>
   6
   7/*
   8 *      This file gets pulled in by asm/io.h from user space. We don't
   9 *      want most of this escaping.
  10 */
  11 
  12#ifdef __KERNEL__
  13
  14/* The following structure vectors all of the I/O and IRQ manipulation
  15   from the generic kernel to the hardware specific backend.  */
  16
  17struct task_struct;
  18struct mm_struct;
  19struct pt_regs;
  20struct vm_area_struct;
  21struct linux_hose_info;
  22struct pci_dev;
  23struct pci_ops;
  24struct pci_controller;
  25
  26struct alpha_machine_vector
  27{
  28        /* This "belongs" down below with the rest of the runtime
  29           variables, but it is convenient for entry.S if these 
  30           two slots are at the beginning of the struct.  */
  31        unsigned long hae_cache;
  32        unsigned long *hae_register;
  33
  34        int nr_irqs;
  35        int rtc_port;
  36        int max_asn;
  37        unsigned long max_dma_address;
  38        unsigned long irq_probe_mask;
  39        unsigned long iack_sc;
  40        unsigned long min_io_address;
  41        unsigned long min_mem_address;
  42        unsigned long pci_dac_offset;
  43
  44        void (*mv_pci_tbi)(struct pci_controller *hose,
  45                           dma_addr_t start, dma_addr_t end);
  46
  47        u8 (*mv_inb)(unsigned long);
  48        u16 (*mv_inw)(unsigned long);
  49        u32 (*mv_inl)(unsigned long);
  50
  51        void (*mv_outb)(u8, unsigned long);
  52        void (*mv_outw)(u16, unsigned long);
  53        void (*mv_outl)(u32, unsigned long);
  54        
  55        u8 (*mv_readb)(unsigned long);
  56        u16 (*mv_readw)(unsigned long);
  57        u32 (*mv_readl)(unsigned long);
  58        u64 (*mv_readq)(unsigned long);
  59
  60        void (*mv_writeb)(u8, unsigned long);
  61        void (*mv_writew)(u16, unsigned long);
  62        void (*mv_writel)(u32, unsigned long);
  63        void (*mv_writeq)(u64, unsigned long);
  64
  65        unsigned long (*mv_ioremap)(unsigned long, unsigned long);
  66        void (*mv_iounmap)(unsigned long);
  67        int (*mv_is_ioaddr)(unsigned long);
  68
  69        void (*mv_switch_mm)(struct mm_struct *, struct mm_struct *,
  70                             struct task_struct *, long);
  71        void (*mv_activate_mm)(struct mm_struct *, struct mm_struct *);
  72
  73        void (*mv_flush_tlb_current)(struct mm_struct *);
  74        void (*mv_flush_tlb_current_page)(struct mm_struct * mm,
  75                                          struct vm_area_struct *vma,
  76                                          unsigned long addr);
  77
  78        void (*update_irq_hw)(unsigned long, unsigned long, int);
  79        void (*ack_irq)(unsigned long);
  80        void (*device_interrupt)(unsigned long vector, struct pt_regs *regs);
  81        void (*machine_check)(u64 vector, u64 la, struct pt_regs *regs);
  82
  83        void (*init_arch)(void);
  84        void (*init_irq)(void);
  85        void (*init_rtc)(void);
  86        void (*init_pci)(void);
  87        void (*kill_arch)(int);
  88
  89        u8 (*pci_swizzle)(struct pci_dev *, u8 *);
  90        int (*pci_map_irq)(struct pci_dev *, u8, u8);
  91        struct pci_ops *pci_ops;
  92
  93        const char *vector_name;
  94
  95        /* System specific parameters.  */
  96        union {
  97            struct {
  98                unsigned long gru_int_req_bits;
  99            } cia;
 100
 101            struct {
 102                unsigned long gamma_bias;
 103            } t2;
 104
 105            struct {
 106                unsigned int route_tab;
 107            } sio;
 108        } sys;
 109};
 110
 111extern struct alpha_machine_vector alpha_mv;
 112
 113#ifdef CONFIG_ALPHA_GENERIC
 114extern int alpha_using_srm;
 115#else
 116#ifdef CONFIG_ALPHA_SRM
 117#define alpha_using_srm 1
 118#else
 119#define alpha_using_srm 0
 120#endif
 121#endif /* GENERIC */
 122
 123#endif
 124#endif /* __ALPHA_MACHVEC_H */
 125