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
  17 struct task_struct;
  18 struct mm_struct;
  19 struct pt_regs;
  20 struct vm_area_struct;
  21 struct linux_hose_info;
  22 struct pci_dev;
  23 struct pci_ops;
  24 struct pci_controller;
  25 struct _alpha_agp_info;
  26
  27 struct alpha_machine_vector
  28 {
  29         /* This "belongs" down below with the rest of the runtime
  30            variables, but it is convenient for entry.S if these
  31            two slots are at the beginning of the struct.  */
  32         unsigned long hae_cache;
  33         unsigned long *hae_register;
  34
  35         int nr_irqs;
  36         int rtc_port;
  37         unsigned int max_asn;
  38         unsigned long max_isa_dma_address;
  39         unsigned long irq_probe_mask;
  40         unsigned long iack_sc;
  41         unsigned long min_io_address;
  42         unsigned long min_mem_address;
  43         unsigned long pci_dac_offset;
  44
  45         void (*mv_pci_tbi)(struct pci_controller *hose,
  46                            dma_addr_t start, dma_addr_t end);
  47
  48         unsigned int (*mv_ioread8)(void __iomem *);
  49         unsigned int (*mv_ioread16)(void __iomem *);
  50         unsigned int (*mv_ioread32)(void __iomem *);
  51
  52         void (*mv_iowrite8)(u8, void __iomem *);
  53         void (*mv_iowrite16)(u16, void __iomem *);
  54         void (*mv_iowrite32)(u32, void __iomem *);
  55
  56         u8 (*mv_readb)(const volatile void __iomem *);
  57         u16 (*mv_readw)(const volatile void __iomem *);
  58         u32 (*mv_readl)(const volatile void __iomem *);
  59         u64 (*mv_readq)(const volatile void __iomem *);
  60
  61         void (*mv_writeb)(u8, volatile void __iomem *);
  62         void (*mv_writew)(u16, volatile void __iomem *);
  63         void (*mv_writel)(u32, volatile void __iomem *);
  64         void (*mv_writeq)(u64, volatile void __iomem *);
  65
  66         void __iomem *(*mv_ioportmap)(unsigned long);
  67         void __iomem *(*mv_ioremap)(unsigned long, unsigned long);
  68         void (*mv_iounmap)(volatile void __iomem *);
  69         int (*mv_is_ioaddr)(unsigned long);
  70         int (*mv_is_mmio)(const volatile void __iomem *);
  71
  72         void (*mv_switch_mm)(struct mm_struct *, struct mm_struct *,
  73                              struct task_struct *);
  74         void (*mv_activate_mm)(struct mm_struct *, struct mm_struct *);
  75
  76         void (*mv_flush_tlb_current)(struct mm_struct *);
  77         void (*mv_flush_tlb_current_page)(struct mm_struct * mm,
  78                                           struct vm_area_struct *vma,
  79                                           unsigned long addr);
  80
  81         void (*update_irq_hw)(unsigned long, unsigned long, int);
  82         void (*ack_irq)(unsigned long);
  83         void (*device_interrupt)(unsigned long vector, struct pt_regs *regs);
  84         void (*machine_check)(u64 vector, u64 la, struct pt_regs *regs);
  85
  86         void (*smp_callin)(void);
  87         void (*init_arch)(void);
  88         void (*init_irq)(void);
  89         void (*init_rtc)(void);
  90         void (*init_pci)(void);
  91         void (*kill_arch)(int);
  92
  93         u8 (*pci_swizzle)(struct pci_dev *, u8 *);
  94         int (*pci_map_irq)(struct pci_dev *, u8, u8);
  95         struct pci_ops *pci_ops;
  96
  97         struct _alpha_agp_info *(*agp_info)(void);
  98
  99         const char *vector_name;
 100
 101         /* NUMA information */
 102         int (*pa_to_nid)(unsigned long);
 103         int (*cpuid_to_nid)(int);
 104         unsigned long (*node_mem_start)(int);
 105         unsigned long (*node_mem_size)(int);
 106
 107         /* System specific parameters.  */
 108         union {
 109             struct {
 110                 unsigned long gru_int_req_bits;
 111             } cia;
 112
 113             struct {
 114                 unsigned long gamma_bias;
 115             } t2;
 116
 117             struct {
 118                 unsigned int route_tab;
 119             } sio;
 120         } sys;
 121 };
 122
 123 extern struct alpha_machine_vector alpha_mv;
 124
 125 #ifdef CONFIG_ALPHA_GENERIC
 126 extern int alpha_using_srm;
 127 #else
 128 #ifdef CONFIG_ALPHA_SRM
 129 #define alpha_using_srm 1
 130 #else
 131 #define alpha_using_srm 0
 132 #endif
 133 #endif /* GENERIC */
 134
 135 #endif
 136 #endif /* __ALPHA_MACHVEC_H */