1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
|
#ifndef __ALPHA_MACHVEC_H
#define __ALPHA_MACHVEC_H 1
#include <linux/config.h>
#include <linux/types.h>
/*
* This file gets pulled in by asm/io.h from user space. We don't
* want most of this escaping.
*/
#ifdef __KERNEL__
/* The following structure vectors all of the I/O and IRQ manipulation
from the generic kernel to the hardware specific backend. */
struct task_struct;
struct mm_struct;
struct pt_regs;
struct vm_area_struct;
struct linux_hose_info;
struct pci_dev;
struct pci_ops;
struct pci_controller;
struct alpha_machine_vector
{
/* This "belongs" down below with the rest of the runtime
variables, but it is convenient for entry.S if these
two slots are at the beginning of the struct. */
unsigned long hae_cache;
unsigned long *hae_register;
int nr_irqs;
int rtc_port;
int max_asn;
unsigned long max_dma_address;
unsigned long irq_probe_mask;
unsigned long iack_sc;
unsigned long min_io_address;
unsigned long min_mem_address;
unsigned long pci_dac_offset;
void (*mv_pci_tbi)(struct pci_controller *hose,
dma_addr_t start, dma_addr_t end);
u8 (*mv_inb)(unsigned long);
u16 (*mv_inw)(unsigned long);
u32 (*mv_inl)(unsigned long);
void (*mv_outb)(u8, unsigned long);
void (*mv_outw)(u16, unsigned long);
void (*mv_outl)(u32, unsigned long);
u8 (*mv_readb)(unsigned long);
u16 (*mv_readw)(unsigned long);
u32 (*mv_readl)(unsigned long);
u64 (*mv_readq)(unsigned long);
void (*mv_writeb)(u8, unsigned long);
void (*mv_writew)(u16, unsigned long);
void (*mv_writel)(u32, unsigned long);
void (*mv_writeq)(u64, unsigned long);
unsigned long (*mv_ioremap)(unsigned long, unsigned long);
void (*mv_iounmap)(unsigned long);
int (*mv_is_ioaddr)(unsigned long);
void (*mv_switch_mm)(struct mm_struct *, struct mm_struct *,
struct task_struct *, long);
void (*mv_activate_mm)(struct mm_struct *, struct mm_struct *);
void (*mv_flush_tlb_current)(struct mm_struct *);
void (*mv_flush_tlb_current_page)(struct mm_struct * mm,
struct vm_area_struct *vma,
unsigned long addr);
void (*update_irq_hw)(unsigned long, unsigned long, int);
void (*ack_irq)(unsigned long);
void (*device_interrupt)(unsigned long vector, struct pt_regs *regs);
void (*machine_check)(u64 vector, u64 la, struct pt_regs *regs);
void (*init_arch)(void);
void (*init_irq)(void);
void (*init_rtc)(void);
void (*init_pci)(void);
void (*kill_arch)(int);
u8 (*pci_swizzle)(struct pci_dev *, u8 *);
int (*pci_map_irq)(struct pci_dev *, u8, u8);
struct pci_ops *pci_ops;
const char *vector_name;
/* System specific parameters. */
union {
struct {
unsigned long gru_int_req_bits;
} cia;
struct {
unsigned long gamma_bias;
} t2;
struct {
unsigned int route_tab;
} sio;
} sys;
};
extern struct alpha_machine_vector alpha_mv;
#ifdef CONFIG_ALPHA_GENERIC
extern int alpha_using_srm;
#else
#ifdef CONFIG_ALPHA_SRM
#define alpha_using_srm 1
#else
#define alpha_using_srm 0
#endif
#endif /* GENERIC */
#endif
#endif /* __ALPHA_MACHVEC_H */
|
