home *** CD-ROM | disk | FTP | other *** search
- #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 mmu_context_mask;
- 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 */
-