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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 
16 struct task_struct;
17 struct mm_struct;
18 struct vm_area_struct;
19 struct linux_hose_info;
20 struct pci_dev;
21 struct pci_ops;
22 struct pci_controller;
23 struct _alpha_agp_info;
24 struct rtc_time;
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 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 
123 extern struct alpha_machine_vector alpha_mv;
124 
125 #ifdef CONFIG_ALPHA_GENERIC
126 extern int alpha_using_srm;
127 extern 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