Linux kernel mirror (for testing)
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linux
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 pt_regs;
19struct vm_area_struct;
20struct linux_hose_info;
21struct pci_dev;
22struct pci_ops;
23struct pci_controller;
24struct _alpha_agp_info;
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 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
122extern struct alpha_machine_vector alpha_mv;
123
124#ifdef CONFIG_ALPHA_GENERIC
125extern 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 */