#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 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; int max_asn; unsigned long max_dma_address; unsigned long irq_probe_mask; unsigned long iack_sc; unsigned long (*mv_virt_to_bus)(void *); void * (*mv_bus_to_virt)(unsigned long); unsigned int (*mv_inb)(unsigned long); unsigned int (*mv_inw)(unsigned long); unsigned int (*mv_inl)(unsigned long); void (*mv_outb)(unsigned char, unsigned long); void (*mv_outw)(unsigned short, unsigned long); void (*mv_outl)(unsigned int, unsigned long); unsigned long (*mv_readb)(unsigned long); unsigned long (*mv_readw)(unsigned long); unsigned long (*mv_readl)(unsigned long); unsigned long (*mv_readq)(unsigned long); void (*mv_writeb)(unsigned char, unsigned long); void (*mv_writew)(unsigned short, unsigned long); void (*mv_writel)(unsigned int, unsigned long); void (*mv_writeq)(unsigned long, unsigned long); unsigned long (*mv_dense_mem)(unsigned long); int (*hose_read_config_byte)(u8, u8, u8, u8 *value, struct linux_hose_info *); int (*hose_read_config_word)(u8, u8, u8, u16 *value, struct linux_hose_info *); int (*hose_read_config_dword)(u8, u8, u8, u32 *value, struct linux_hose_info *); int (*hose_write_config_byte)(u8, u8, u8, u8 value, struct linux_hose_info *); int (*hose_write_config_word)(u8, u8, u8, u16 value, struct linux_hose_info *); int (*hose_write_config_dword)(u8, u8, u8, u32 value, struct linux_hose_info *); void (*mv_get_mmu_context)(struct task_struct *); void (*mv_flush_tlb_current)(struct mm_struct *); void (*mv_flush_tlb_other)(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 (*init_arch)(unsigned long *, unsigned long *); void (*init_irq)(void); void (*init_pit)(void); void (*pci_fixup)(void); void (*kill_arch)(int, char *); const char *vector_name; /* System specific parameters. */ union { struct { unsigned long gru_int_req_bits; } cia; struct { unsigned long gamma_bias; } t2; } sys; /* Runtime variables it is handy to keep close. */ unsigned long dma_win_base; unsigned long dma_win_size; unsigned long sm_base_r1, sm_base_r2, sm_base_r3; }; extern struct alpha_machine_vector alpha_mv; #ifdef CONFIG_ALPHA_GENERIC extern int alpha_using_srm; extern int alpha_use_srm_setup; #else #ifdef CONFIG_ALPHA_SRM #define alpha_using_srm 1 #else #define alpha_using_srm 0 #endif #if defined(CONFIG_ALPHA_SRM_SETUP) #define alpha_use_srm_setup 1 #else #define alpha_use_srm_setup 0 #endif #endif /* GENERIC */ #endif #endif /* __ALPHA_MACHVEC_H */