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 unsigned int max_asn; 37 unsigned long max_isa_dma_address; 38 unsigned long irq_probe_mask; 39 unsigned long iack_sc; 40 unsigned long min_io_address; 41 unsigned long min_mem_address; 42 unsigned long pci_dac_offset; 43 44 void (*mv_pci_tbi)(struct pci_controller *hose, 45 dma_addr_t start, dma_addr_t end); 46 47 unsigned int (*mv_ioread8)(void __iomem *); 48 unsigned int (*mv_ioread16)(void __iomem *); 49 unsigned int (*mv_ioread32)(void __iomem *); 50 51 void (*mv_iowrite8)(u8, void __iomem *); 52 void (*mv_iowrite16)(u16, void __iomem *); 53 void (*mv_iowrite32)(u32, void __iomem *); 54 55 u8 (*mv_readb)(const volatile void __iomem *); 56 u16 (*mv_readw)(const volatile void __iomem *); 57 u32 (*mv_readl)(const volatile void __iomem *); 58 u64 (*mv_readq)(const volatile void __iomem *); 59 60 void (*mv_writeb)(u8, volatile void __iomem *); 61 void (*mv_writew)(u16, volatile void __iomem *); 62 void (*mv_writel)(u32, volatile void __iomem *); 63 void (*mv_writeq)(u64, volatile void __iomem *); 64 65 void __iomem *(*mv_ioportmap)(unsigned long); 66 void __iomem *(*mv_ioremap)(unsigned long, unsigned long); 67 void (*mv_iounmap)(volatile void __iomem *); 68 int (*mv_is_ioaddr)(unsigned long); 69 int (*mv_is_mmio)(const volatile void __iomem *); 70 71 void (*mv_switch_mm)(struct mm_struct *, struct mm_struct *, 72 struct task_struct *); 73 void (*mv_activate_mm)(struct mm_struct *, struct mm_struct *); 74 75 void (*mv_flush_tlb_current)(struct mm_struct *); 76 void (*mv_flush_tlb_current_page)(struct mm_struct * mm, 77 struct vm_area_struct *vma, 78 unsigned long addr); 79 80 void (*update_irq_hw)(unsigned long, unsigned long, int); 81 void (*ack_irq)(unsigned long); 82 void (*device_interrupt)(unsigned long vector); 83 void (*machine_check)(unsigned long vector, unsigned long la); 84 85 void (*smp_callin)(void); 86 void (*init_arch)(void); 87 void (*init_irq)(void); 88 void (*init_rtc)(void); 89 void (*init_pci)(void); 90 void (*kill_arch)(int); 91 92 u8 (*pci_swizzle)(struct pci_dev *, u8 *); 93 int (*pci_map_irq)(const struct pci_dev *, u8, u8); 94 struct pci_ops *pci_ops; 95 96 struct _alpha_agp_info *(*agp_info)(void); 97 98 unsigned int (*rtc_get_time)(struct rtc_time *); 99 int (*rtc_set_time)(struct rtc_time *); 100 101 const char *vector_name; 102 103 /* NUMA information */ 104 int (*pa_to_nid)(unsigned long); 105 int (*cpuid_to_nid)(int); 106 unsigned long (*node_mem_start)(int); 107 unsigned long (*node_mem_size)(int); 108 109 /* System specific parameters. */ 110 union { 111 struct { 112 unsigned long gru_int_req_bits; 113 } cia; 114 115 struct { 116 unsigned long gamma_bias; 117 } t2; 118 119 struct { 120 unsigned int route_tab; 121 } sio; 122 } sys; 123 }; 124 125 extern struct alpha_machine_vector alpha_mv; 126 127 #ifdef CONFIG_ALPHA_GENERIC 128 extern int alpha_using_srm; 129 #else 130 #ifdef CONFIG_ALPHA_SRM 131 #define alpha_using_srm 1 132 #else 133 #define alpha_using_srm 0 134 #endif 135 #endif /* GENERIC */ 136 137 #endif 138 #endif /* __ALPHA_MACHVEC_H */ 139