diff options
Diffstat (limited to 'include/asm-alpha/machvec.h')
-rw-r--r-- | include/asm-alpha/machvec.h | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/include/asm-alpha/machvec.h b/include/asm-alpha/machvec.h new file mode 100644 index 00000000000..ece166a203e --- /dev/null +++ b/include/asm-alpha/machvec.h @@ -0,0 +1,136 @@ +#ifndef __ALPHA_MACHVEC_H +#define __ALPHA_MACHVEC_H 1 + +#include <linux/config.h> +#include <linux/types.h> + +/* + * This file gets pulled in by asm/io.h from user space. We don't + * want most of this escaping. + */ + +#ifdef __KERNEL__ + +/* The following structure vectors all of the I/O and IRQ manipulation + from the generic kernel to the hardware specific backend. */ + +struct task_struct; +struct mm_struct; +struct pt_regs; +struct vm_area_struct; +struct linux_hose_info; +struct pci_dev; +struct pci_ops; +struct pci_controller; +struct _alpha_agp_info; + +struct alpha_machine_vector +{ + /* This "belongs" down below with the rest of the runtime + variables, but it is convenient for entry.S if these + two slots are at the beginning of the struct. */ + unsigned long hae_cache; + unsigned long *hae_register; + + int nr_irqs; + int rtc_port; + unsigned int max_asn; + unsigned long max_isa_dma_address; + unsigned long irq_probe_mask; + unsigned long iack_sc; + unsigned long min_io_address; + unsigned long min_mem_address; + unsigned long pci_dac_offset; + + void (*mv_pci_tbi)(struct pci_controller *hose, + dma_addr_t start, dma_addr_t end); + + unsigned int (*mv_ioread8)(void __iomem *); + unsigned int (*mv_ioread16)(void __iomem *); + unsigned int (*mv_ioread32)(void __iomem *); + + void (*mv_iowrite8)(u8, void __iomem *); + void (*mv_iowrite16)(u16, void __iomem *); + void (*mv_iowrite32)(u32, void __iomem *); + + u8 (*mv_readb)(const volatile void __iomem *); + u16 (*mv_readw)(const volatile void __iomem *); + u32 (*mv_readl)(const volatile void __iomem *); + u64 (*mv_readq)(const volatile void __iomem *); + + void (*mv_writeb)(u8, volatile void __iomem *); + void (*mv_writew)(u16, volatile void __iomem *); + void (*mv_writel)(u32, volatile void __iomem *); + void (*mv_writeq)(u64, volatile void __iomem *); + + void __iomem *(*mv_ioportmap)(unsigned long); + void __iomem *(*mv_ioremap)(unsigned long, unsigned long); + void (*mv_iounmap)(volatile void __iomem *); + int (*mv_is_ioaddr)(unsigned long); + int (*mv_is_mmio)(const volatile void __iomem *); + + void (*mv_switch_mm)(struct mm_struct *, struct mm_struct *, + struct task_struct *); + void (*mv_activate_mm)(struct mm_struct *, struct mm_struct *); + + void (*mv_flush_tlb_current)(struct mm_struct *); + void (*mv_flush_tlb_current_page)(struct mm_struct * mm, + struct vm_area_struct *vma, + unsigned long addr); + + void (*update_irq_hw)(unsigned long, unsigned long, int); + void (*ack_irq)(unsigned long); + void (*device_interrupt)(unsigned long vector, struct pt_regs *regs); + void (*machine_check)(u64 vector, u64 la, struct pt_regs *regs); + + void (*smp_callin)(void); + void (*init_arch)(void); + void (*init_irq)(void); + void (*init_rtc)(void); + void (*init_pci)(void); + void (*kill_arch)(int); + + u8 (*pci_swizzle)(struct pci_dev *, u8 *); + int (*pci_map_irq)(struct pci_dev *, u8, u8); + struct pci_ops *pci_ops; + + struct _alpha_agp_info *(*agp_info)(void); + + const char *vector_name; + + /* NUMA information */ + int (*pa_to_nid)(unsigned long); + int (*cpuid_to_nid)(int); + unsigned long (*node_mem_start)(int); + unsigned long (*node_mem_size)(int); + + /* System specific parameters. */ + union { + struct { + unsigned long gru_int_req_bits; + } cia; + + struct { + unsigned long gamma_bias; + } t2; + + struct { + unsigned int route_tab; + } sio; + } sys; +}; + +extern struct alpha_machine_vector alpha_mv; + +#ifdef CONFIG_ALPHA_GENERIC +extern int alpha_using_srm; +#else +#ifdef CONFIG_ALPHA_SRM +#define alpha_using_srm 1 +#else +#define alpha_using_srm 0 +#endif +#endif /* GENERIC */ + +#endif +#endif /* __ALPHA_MACHVEC_H */ |