LXR linux/arch/alpha/include/asm/machvec.h

   1#ifndef __ALPHA_MACHVEC_H
   2#define __ALPHA_MACHVEC_H 1
   3
   4#include <linux/types.h>
   5
   6/*
   7 *      This file gets pulled in by asm/io.h from user space. We don't
   8 *      want most of this escaping.
   9 */
  10 
  11#ifdef __KERNEL__
  12
  13/* The following structure vectors all of the I/O and IRQ manipulation
  14   from the generic kernel to the hardware specific backend.  */
  15
  16struct task_struct;
  17struct mm_struct;
  18struct vm_area_struct;
  19struct linux_hose_info;
  20struct pci_dev;
  21struct pci_ops;
  22struct pci_controller;
  23struct _alpha_agp_info;
  24
  25struct alpha_machine_vector
  26{
  27        /* This "belongs" down below with the rest of the runtime
  28           variables, but it is convenient for entry.S if these 
  29           two slots are at the beginning of the struct.  */
  30        unsigned long hae_cache;
  31        unsigned long *hae_register;
  32
  33        int nr_irqs;
  34        int rtc_port;
  35        unsigned int max_asn;
  36        unsigned long max_isa_dma_address;
  37        unsigned long irq_probe_mask;
  38        unsigned long iack_sc;
  39        unsigned long min_io_address;
  40        unsigned long min_mem_address;
  41        unsigned long pci_dac_offset;
  42
  43        void (*mv_pci_tbi)(struct pci_controller *hose,
  44                           dma_addr_t start, dma_addr_t end);
  45
  46        unsigned int (*mv_ioread8)(void __iomem *);
  47        unsigned int (*mv_ioread16)(void __iomem *);
  48        unsigned int (*mv_ioread32)(void __iomem *);
  49
  50        void (*mv_iowrite8)(u8, void __iomem *);
  51        void (*mv_iowrite16)(u16, void __iomem *);
  52        void (*mv_iowrite32)(u32, void __iomem *);
  53
  54        u8 (*mv_readb)(const volatile void __iomem *);
  55        u16 (*mv_readw)(const volatile void __iomem *);
  56        u32 (*mv_readl)(const volatile void __iomem *);
  57        u64 (*mv_readq)(const volatile void __iomem *);
  58
  59        void (*mv_writeb)(u8, volatile void __iomem *);
  60        void (*mv_writew)(u16, volatile void __iomem *);
  61        void (*mv_writel)(u32, volatile void __iomem *);
  62        void (*mv_writeq)(u64, volatile void __iomem *);
  63
  64        void __iomem *(*mv_ioportmap)(unsigned long);
  65        void __iomem *(*mv_ioremap)(unsigned long, unsigned long);
  66        void (*mv_iounmap)(volatile void __iomem *);
  67        int (*mv_is_ioaddr)(unsigned long);
  68        int (*mv_is_mmio)(const volatile void __iomem *);
  69
  70        void (*mv_switch_mm)(struct mm_struct *, struct mm_struct *,
  71                             struct task_struct *);
  72        void (*mv_activate_mm)(struct mm_struct *, struct mm_struct *);
  73
  74        void (*mv_flush_tlb_current)(struct mm_struct *);
  75        void (*mv_flush_tlb_current_page)(struct mm_struct * mm,
  76                                          struct vm_area_struct *vma,
  77                                          unsigned long addr);
  78
  79        void (*update_irq_hw)(unsigned long, unsigned long, int);
  80        void (*ack_irq)(unsigned long);
  81        void (*device_interrupt)(unsigned long vector);
  82        void (*machine_check)(u64 vector, u64 la);
  83
  84        void (*smp_callin)(void);
  85        void (*init_arch)(void);
  86        void (*init_irq)(void);
  87        void (*init_rtc)(void);
  88        void (*init_pci)(void);
  89        void (*kill_arch)(int);
  90
  91        u8 (*pci_swizzle)(struct pci_dev *, u8 *);
  92        int (*pci_map_irq)(struct pci_dev *, u8, u8);
  93        struct pci_ops *pci_ops;
  94
  95        struct _alpha_agp_info *(*agp_info)(void);
  96
  97        const char *vector_name;
  98
  99        /* NUMA information */
 100        int (*pa_to_nid)(unsigned long);
 101        int (*cpuid_to_nid)(int);
 102        unsigned long (*node_mem_start)(int);
 103        unsigned long (*node_mem_size)(int);
 104
 105        /* System specific parameters.  */
 106        union {
 107            struct {
 108                unsigned long gru_int_req_bits;
 109            } cia;
 110
 111            struct {
 112                unsigned long gamma_bias;
 113            } t2;
 114
 115            struct {
 116                unsigned int route_tab;
 117            } sio;
 118        } sys;
 119};
 120
 121extern struct alpha_machine_vector alpha_mv;
 122
 123#ifdef CONFIG_ALPHA_GENERIC
 124extern int alpha_using_srm;
 125#else
 126#ifdef CONFIG_ALPHA_SRM
 127#define alpha_using_srm 1
 128#else
 129#define alpha_using_srm 0
 130#endif
 131#endif /* GENERIC */
 132
 133#endif
 134#endif /* __ALPHA_MACHVEC_H */
 135