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 pt_regs;
  19 struct vm_area_struct;
  20 struct linux_hose_info;
  21 struct pci_dev;
  22 struct pci_ops;
  23 struct pci_controller;
  24 struct _alpha_agp_info;
  25
  26 struct 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         unsigned int max_asn;
  37         unsigned long max_isa_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         unsigned int (*mv_ioread8)(void __iomem *);
  48         unsigned int (*mv_ioread16)(void __iomem *);
  49         unsigned int (*mv_ioread32)(void __iomem *);
  50
  51         void (*mv_iowrite8)(u8, void __iomem *);
  52         void (*mv_iowrite16)(u16, void __iomem *);
  53         void (*mv_iowrite32)(u32, void __iomem *);
  54
  55         u8 (*mv_readb)(const volatile void __iomem *);
  56         u16 (*mv_readw)(const volatile void __iomem *);
  57         u32 (*mv_readl)(const volatile void __iomem *);
  58         u64 (*mv_readq)(const volatile void __iomem *);
  59
  60         void (*mv_writeb)(u8, volatile void __iomem *);
  61         void (*mv_writew)(u16, volatile void __iomem *);
  62         void (*mv_writel)(u32, volatile void __iomem *);
  63         void (*mv_writeq)(u64, volatile void __iomem *);
  64
  65         void __iomem *(*mv_ioportmap)(unsigned long);
  66         void __iomem *(*mv_ioremap)(unsigned long, unsigned long);
  67         void (*mv_iounmap)(volatile void __iomem *);
  68         int (*mv_is_ioaddr)(unsigned long);
  69         int (*mv_is_mmio)(const volatile void __iomem *);
  70
  71         void (*mv_switch_mm)(struct mm_struct *, struct mm_struct *,
  72                              struct task_struct *);
  73         void (*mv_activate_mm)(struct mm_struct *, struct mm_struct *);
  74
  75         void (*mv_flush_tlb_current)(struct mm_struct *);
  76         void (*mv_flush_tlb_current_page)(struct mm_struct * mm,
  77                                           struct vm_area_struct *vma,
  78                                           unsigned long addr);
  79
  80         void (*update_irq_hw)(unsigned long, unsigned long, int);
  81         void (*ack_irq)(unsigned long);
  82         void (*device_interrupt)(unsigned long vector, struct pt_regs *regs);
  83         void (*machine_check)(u64 vector, u64 la, struct pt_regs *regs);
  84
  85         void (*smp_callin)(void);
  86         void (*init_arch)(void);
  87         void (*init_irq)(void);
  88         void (*init_rtc)(void);
  89         void (*init_pci)(void);
  90         void (*kill_arch)(int);
  91
  92         u8 (*pci_swizzle)(struct pci_dev *, u8 *);
  93         int (*pci_map_irq)(struct pci_dev *, u8, u8);
  94         struct pci_ops *pci_ops;
  95
  96         struct _alpha_agp_info *(*agp_info)(void);
  97
  98         const char *vector_name;
  99
 100         /* NUMA information */
 101         int (*pa_to_nid)(unsigned long);
 102         int (*cpuid_to_nid)(int);
 103         unsigned long (*node_mem_start)(int);
 104         unsigned long (*node_mem_size)(int);
 105
 106         /* System specific parameters.  */
 107         union {
 108             struct {
 109                 unsigned long gru_int_req_bits;
 110             } cia;
 111
 112             struct {
 113                 unsigned long gamma_bias;
 114             } t2;
 115
 116             struct {
 117                 unsigned int route_tab;
 118             } sio;
 119         } sys;
 120 };
 121
 122 extern struct alpha_machine_vector alpha_mv;
 123
 124 #ifdef CONFIG_ALPHA_GENERIC
 125 extern int alpha_using_srm;
 126 #else
 127 #ifdef CONFIG_ALPHA_SRM
 128 #define alpha_using_srm 1
 129 #else
 130 #define alpha_using_srm 0
 131 #endif
 132 #endif /* GENERIC */
 133
 134 #endif
 135 #endif /* __ALPHA_MACHVEC_H */