pgalloc.h

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/*
** pgalloc.h for  in /root/work/lseos-0.2.5/libsys/conven
** 
** Copyright (c)2004 Vianney Rancurel
** Login   <vianney@epita.fr>
** 
** Started on  Wed Apr 28 15:53:37 2004 Vianney Rancurel
** Last update Mon Dec  6 12:29:43 2004 Vianney Rancurel
*/
#ifndef __CONVEN_PGALLOC_H__
#define __CONVEN_PGALLOC_H__    1
#include <libc.h>

typedef struct                  s_pgblock
{
#define PGBLOCK_MAGIC   0x42aabbcc
  u_int32_t                     magic;
  struct s_pgblock              *next;
  int                           offset;
  int                           count;
}                               t_pgblock;

typedef struct                  s_pgset
{
#define PGSET_MAGIC     0x43ddeeff
  u_int32_t                     magic;
  t_pgblock                     *block;
  asid_t                        asid;
  vaddr_t                       va;
  int                           nb_pgs;
}                               t_pgset;

typedef struct                  s_pgchunk
{
#define PGCHUNK_MAGIC   0x44001122
  u_int32_t                     magic;
  vaddr_t                       va;
  paddr_t                       pa;
  int                           nb_pgs;
} t_pgchunk;

/* PROTO pgalloc.c */
/* pgalloc.c */
vaddr_t pgalloc2(asid_t asid, paddr_t fixed_pa, int nb_pgs, paddr_t *pa_returned);
vaddr_t pgalloc(asid_t asid, int nb_pgs);
int pgfree(asid_t asid, vaddr_t vpages, int nb_pgs);
int ppgalloc(asid_t asid, int nb_pgs, paddr_t *pa_returned, int *nb_pgs_returned);
int bigfree(t_pgset *set);
t_pgset *bigalloc(asid_t asid, int nb_pgs);
void bigdump(t_pgset *set);
#endif

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