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_controler;
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 int max_asn;
37 unsigned long max_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
43 void (*mv_pci_tbi)(struct pci_controler *hose,
44 dma_addr_t start, dma_addr_t end);
45
46 unsigned int (*mv_inb)(unsigned long);
47 unsigned int (*mv_inw)(unsigned long);
48 unsigned int (*mv_inl)(unsigned long);
49
50 void (*mv_outb)(unsigned char, unsigned long);
51 void (*mv_outw)(unsigned short, unsigned long);
52 void (*mv_outl)(unsigned int, unsigned long);
53
54 unsigned long (*mv_readb)(unsigned long);
55 unsigned long (*mv_readw)(unsigned long);
56 unsigned long (*mv_readl)(unsigned long);
57 unsigned long (*mv_readq)(unsigned long);
58
59 void (*mv_writeb)(unsigned char, unsigned long);
60 void (*mv_writew)(unsigned short, unsigned long);
61 void (*mv_writel)(unsigned int, unsigned long);
62 void (*mv_writeq)(unsigned long, unsigned long);
63
64 unsigned long (*mv_ioremap)(unsigned long);
65 int (*mv_is_ioaddr)(unsigned long);
66
67 void (*mv_switch_mm)(struct mm_struct *, struct mm_struct *,
68 struct task_struct *, long);
69 void (*mv_activate_mm)(struct mm_struct *, struct mm_struct *);
70
71 void (*mv_flush_tlb_current)(struct mm_struct *);
72 void (*mv_flush_tlb_current_page)(struct mm_struct * mm,
73 struct vm_area_struct *vma,
74 unsigned long addr);
75
76 void (*update_irq_hw)(unsigned long, unsigned long, int);
77 void (*ack_irq)(unsigned long);
78 void (*device_interrupt)(unsigned long vector, struct pt_regs *regs);
79 void (*machine_check)(u64 vector, u64 la, struct pt_regs *regs);
80
81 void (*init_arch)(void);
82 void (*init_irq)(void);
83 void (*init_rtc)(void);
84 void (*init_pci)(void);
85 void (*kill_arch)(int);
86
87 u8 (*pci_swizzle)(struct pci_dev *, u8 *);
88 int (*pci_map_irq)(struct pci_dev *, u8, u8);
89 struct pci_ops *pci_ops;
90
91 const char *vector_name;
92
93 /* System specific parameters. */
94 union {
95 struct {
96 unsigned long gru_int_req_bits;
97 } cia;
98
99 struct {
100 unsigned long gamma_bias;
101 } t2;
102
103 struct {
104 unsigned int route_tab;
105 } sio;
106 } sys;
107 };
108
109 extern struct alpha_machine_vector alpha_mv;
110
111 #ifdef CONFIG_ALPHA_GENERIC
112 extern int alpha_using_srm;
113 #else
114 #ifdef CONFIG_ALPHA_SRM
115 #define alpha_using_srm 1
116 #else
117 #define alpha_using_srm 0
118 #endif
119 #endif /* GENERIC */
120
121 #endif
122 #endif /* __ALPHA_MACHVEC_H */
123
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