patch-2.1.116 linux/include/asm-alpha/machvec.h

• Lines: 119
• Date: Sun Aug 9 12:09:06 1998
• Orig file: v2.1.115/linux/include/asm-alpha/machvec.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.1.115/linux/include/asm-alpha/machvec.h linux/include/asm-alpha/machvec.h
@@ -0,0 +1,118 @@
+#ifndef __ALPHA_MACHVEC_H
+#define __ALPHA_MACHVEC_H 1
+
+#include <linux/config.h>
+#include <linux/types.h>
+
+
+/* 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 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;
+
+	unsigned long max_dma_address;
+	unsigned int nr_irqs;
+	unsigned int rtc_port, rtc_addr;
+	unsigned int max_asn;
+	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 (*pci_read_config_byte)(u8, u8, u8, u8 *value);
+	int (*pci_read_config_word)(u8, u8, u8, u16 *value);
+	int (*pci_read_config_dword)(u8, u8, u8, u32 *value);
+
+	int (*pci_write_config_byte)(u8, u8, u8, u8 value);
+	int (*pci_write_config_word)(u8, u8, u8, u16 value);
+	int (*pci_write_config_dword)(u8, u8, u8, u32 value);
+	
+	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 /* __ALPHA_MACHVEC_H */