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 25 struct alpha_machine_vector 26 { 27 /* This "belongs" down below with the rest of the runtime 28 variables, but it is convenient for entry.S if these 29 two slots are at the beginning of the struct. */ 30 unsigned long hae_cache; 31 unsigned long *hae_register; 32 33 int nr_irqs; 34 int rtc_port; 35 unsigned int max_asn; 36 unsigned long max_isa_dma_address; 37 unsigned long irq_probe_mask; 38 unsigned long iack_sc; 39 unsigned long min_io_address; 40 unsigned long min_mem_address; 41 unsigned long pci_dac_offset; 42 43 void (*mv_pci_tbi)(struct pci_controller *hose, 44 dma_addr_t start, dma_addr_t end); 45 46 unsigned int (*mv_ioread8)(void __iomem *); 47 unsigned int (*mv_ioread16)(void __iomem *); 48 unsigned int (*mv_ioread32)(void __iomem *); 49 50 void (*mv_iowrite8)(u8, void __iomem *); 51 void (*mv_iowrite16)(u16, void __iomem *); 52 void (*mv_iowrite32)(u32, void __iomem *); 53 54 u8 (*mv_readb)(const volatile void __iomem *); 55 u16 (*mv_readw)(const volatile void __iomem *); 56 u32 (*mv_readl)(const volatile void __iomem *); 57 u64 (*mv_readq)(const volatile void __iomem *); 58 59 void (*mv_writeb)(u8, volatile void __iomem *); 60 void (*mv_writew)(u16, volatile void __iomem *); 61 void (*mv_writel)(u32, volatile void __iomem *); 62 void (*mv_writeq)(u64, volatile void __iomem *); 63 64 void __iomem *(*mv_ioportmap)(unsigned long); 65 void __iomem *(*mv_ioremap)(unsigned long, unsigned long); 66 void (*mv_iounmap)(volatile void __iomem *); 67 int (*mv_is_ioaddr)(unsigned long); 68 int (*mv_is_mmio)(const volatile void __iomem *); 69 70 void (*mv_switch_mm)(struct mm_struct *, struct mm_struct *, 71 struct task_struct *); 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); 82 void (*machine_check)(u64 vector, u64 la); 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