#ifndef _TYPE_H
#define _TYPE_H

#ifndef _CONFIG_H
#include <minix/config.h>
#endif

#ifndef _TYPES_H
#include <sys/types.h>
#endif

/* Type definitions. */
typedef unsigned int vir_clicks; /* virtual  addresses and lengths in clicks */
typedef unsigned long phys_bytes;/* physical addresses and lengths in bytes */
typedef unsigned int phys_clicks;/* physical addresses and lengths in clicks */

#if (CHIP == INTEL)
typedef unsigned int vir_bytes;	/* virtual addresses and lengths in bytes */
#endif

#if (CHIP == M68000)
typedef unsigned long vir_bytes;/* virtual addresses and lengths in bytes */
#endif

#if (CHIP == SPARC)
typedef unsigned long vir_bytes;/* virtual addresses and lengths in bytes */
#endif

/* Memory map for local text, stack, data segments. */
struct mem_map {
  vir_clicks mem_vir;		/* virtual address */
  phys_clicks mem_phys;		/* physical address */
  vir_clicks mem_len;		/* length */
};

/* Memory map for remote memory areas, e.g., for the RAM disk. */
struct far_mem {
  int in_use;			/* entry in use, unless zero */
  phys_clicks mem_phys;		/* physical address */
  vir_clicks mem_len;		/* length */
};

/* Structure for virtual copying by means of a vector with requests. */
struct vir_addr {
  int proc_nr;
  int segment;
  vir_bytes offset;
};

struct vir_cp_req {
  struct vir_addr src;
  struct vir_addr dst;
  phys_bytes count;
};

typedef struct {
  vir_bytes iov_addr;		/* address of an I/O buffer */
  vir_bytes iov_size;		/* sizeof an I/O buffer */
} iovec_t;


/* MM passes the address of a structure of this type to KERNEL when
 * do_sendsig() is invoked as part of the signal catching mechanism.
 * The structure contain all the information that KERNEL needs to build
 * the signal stack.
 */
struct sigmsg {
  int sm_signo;			/* signal number being caught */
  unsigned long sm_mask;	/* mask to restore when handler returns */
  vir_bytes sm_sighandler;	/* address of handler */
  vir_bytes sm_sigreturn;	/* address of _sigreturn in C library */
  vir_bytes sm_stkptr;		/* user stack pointer */
};

#define MESS_SIZE (sizeof(message))	/* might need usizeof from fs here */
#define NIL_MESS ((message *) 0)

/* This is used to obtain system information through SYS_GETINFO. */
struct kinfo {
  phys_bytes code_base;		/* base of kernel code */
  phys_bytes code_size;		
  phys_bytes data_base;		/* base of kernel data */
  phys_bytes data_size;
  vir_bytes proc_addr;		/* virtual address of process table */
  phys_bytes kmem_base;		/* kernel memory layout (/dev/kmem) */
  phys_bytes kmem_size;
  phys_bytes bootdev_base;	/* boot device from boot image (/dev/boot) */
  phys_bytes bootdev_size;
  phys_bytes bootdev_mem;
  phys_bytes params_base;	/* parameters passed by boot monitor */
  phys_bytes params_size;
  int nr_procs;			/* number of user processes */
  int nr_tasks;			/* number of kernel tasks */
  char release[4];		/* kernel release number */
  char version[4];		/* kernel version number */
#if ENABLE_K_LOCKCHECK
  int relocking;
#endif
};

struct machine {
  int pc_at;
  int ps_mca;
  int processor;
  int protected;
  int vdu_ega;
  int vdu_vga;
};

/* Timing data of lock()/unlock() sequences, if selected to be compiled in. */

#if ENABLE_LOCK_TIMING
struct lock_timedata {
	char names[TIMING_NAME];
	unsigned long lock_timings[TIMING_POINTS];
	unsigned long lock_timings_range[2];
	unsigned long binsize, resets, misses, measurements;
};
#endif

#endif /* _TYPE_H */