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_controller;
25 struct _alpha_agp_info;
26 
27 struct alpha_machine_vector
28 {
29 	/* This "belongs" down below with the rest of the runtime
30 	   variables, but it is convenient for entry.S if these
31 	   two slots are at the beginning of the struct.  */
32 	unsigned long hae_cache;
33 	unsigned long *hae_register;
34 
35 	int nr_irqs;
36 	int rtc_port;
37 	int max_asn;
38 	unsigned long max_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 	u8 (*mv_inb)(unsigned long);
49 	u16 (*mv_inw)(unsigned long);
50 	u32 (*mv_inl)(unsigned long);
51 
52 	void (*mv_outb)(u8, unsigned long);
53 	void (*mv_outw)(u16, unsigned long);
54 	void (*mv_outl)(u32, unsigned long);
55 
56 	u8 (*mv_readb)(unsigned long);
57 	u16 (*mv_readw)(unsigned long);
58 	u32 (*mv_readl)(unsigned long);
59 	u64 (*mv_readq)(unsigned long);
60 
61 	void (*mv_writeb)(u8, unsigned long);
62 	void (*mv_writew)(u16, unsigned long);
63 	void (*mv_writel)(u32, unsigned long);
64 	void (*mv_writeq)(u64, unsigned long);
65 
66 	unsigned long (*mv_ioremap)(unsigned long, unsigned long);
67 	void (*mv_iounmap)(unsigned long);
68 	int (*mv_is_ioaddr)(unsigned long);
69 
70 	void (*mv_switch_mm)(struct mm_struct *, struct mm_struct *,
71 			     struct task_struct *, long);
72 	void (*mv_activate_mm)(struct mm_struct *, struct mm_struct *);
73 
74 	void (*mv_flush_tlb_current)(struct mm_struct *);
75 	void (*mv_flush_tlb_current_page)(struct mm_struct * mm,
76 					  struct vm_area_struct *vma,
77 					  unsigned long addr);
78 
79 	void (*update_irq_hw)(unsigned long, unsigned long, int);
80 	void (*ack_irq)(unsigned long);
81 	void (*device_interrupt)(unsigned long vector, struct pt_regs *regs);
82 	void (*machine_check)(u64 vector, u64 la, struct pt_regs *regs);
83 
84 	void (*smp_callin)(void);
85 	void (*init_arch)(void);
86 	void (*init_irq)(void);
87 	void (*init_rtc)(void);
88 	void (*init_pci)(void);
89 	void (*kill_arch)(int);
90 
91 	u8 (*pci_swizzle)(struct pci_dev *, u8 *);
92 	int (*pci_map_irq)(struct pci_dev *, u8, u8);
93 	struct pci_ops *pci_ops;
94 
95 	struct _alpha_agp_info *(*agp_info)(void);
96 
97 	const char *vector_name;
98 
99 	/* NUMA information */
100 	int (*pa_to_nid)(unsigned long);
101 	int (*cpuid_to_nid)(int);
102 	unsigned long (*node_mem_start)(int);
103 	unsigned long (*node_mem_size)(int);
104 
105 	/* System specific parameters.  */
106 	union {
107 	    struct {
108 		unsigned long gru_int_req_bits;
109 	    } cia;
110 
111 	    struct {
112 		unsigned long gamma_bias;
113 	    } t2;
114 
115 	    struct {
116 		unsigned int route_tab;
117 	    } sio;
118 	} sys;
119 };
120 
121 extern struct alpha_machine_vector alpha_mv;
122 
123 #ifdef CONFIG_ALPHA_GENERIC
124 extern int alpha_using_srm;
125 #else
126 #ifdef CONFIG_ALPHA_SRM
127 #define alpha_using_srm 1
128 #else
129 #define alpha_using_srm 0
130 #endif
131 #endif /* GENERIC */
132 
133 #endif
134 #endif /* __ALPHA_MACHVEC_H */
135