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gerrit.nordix.org / codeaurora / cp-linux / 8d8f6542b666daf5e87de156590e635c2c4da0c0 / . / arch / alpha / include / asm / machvec.h
blob: 75cb3641ed2f0b507c1bcd6a86cb2d8da2966044 [file] [log] [blame]
Kyle Swenson8d8f6542021-03-15 11:02:55 -0600[diff] [blame^]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 vm_area_struct;
19struct linux_hose_info;
20struct pci_dev;
21struct pci_ops;
22struct pci_controller;
23struct _alpha_agp_info;
24struct rtc_time;
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 int rtc_boot_cpu_only;
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);
84 void (*machine_check)(unsigned long vector, unsigned long la);
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)(const 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
123extern struct alpha_machine_vector alpha_mv;
124
125#ifdef CONFIG_ALPHA_GENERIC
126extern int alpha_using_srm;
127extern int alpha_using_qemu;
128#else
129# ifdef CONFIG_ALPHA_SRM
130# define alpha_using_srm 1
131# else
132# define alpha_using_srm 0
133# endif
134# ifdef CONFIG_ALPHA_QEMU
135# define alpha_using_qemu 1
136# else
137# define alpha_using_qemu 0
138# endif
139#endif /* GENERIC */
140
141#endif /* __KERNEL__ */
142#endif /* __ALPHA_MACHVEC_H */