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 */
143