include/asm-alpha/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
  16 struct task_struct;
  17 struct mm_struct;
  18 struct vm_area_struct;
  19 struct linux_hose_info;
  20 struct pci_dev;
  21 struct pci_ops;
  22 struct pci_controller;
  23 struct _alpha_agp_info;
  24
  25 struct 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
 121 extern struct alpha_machine_vector alpha_mv;
 122
 123 #ifdef CONFIG_ALPHA_GENERIC
 124 extern 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 */