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