#ifndef __DDK_H__
#define __DDK_H__

#include <kernel.h>
#include <linux/errno.h>
#include <linux/spinlock.h>
#include <mutex.h>
#include <linux/pci.h>


#define OS_BASE             0x80000000

#define PG_SW               0x003
#define PG_UW               0x007
#define PG_NOCACHE          0x010
#define PG_SHARED           0x200


#define MANUAL_DESTROY      0x80000000

#define ENTER()   dbgprintf("enter %s\n",__FUNCTION__)
#define LEAVE()   dbgprintf("leave %s\n",__FUNCTION__)
#define FAIL()    dbgprintf("fail %s\n",__FUNCTION__)

typedef struct
{
    u32_t  code;
    u32_t  data[5];
}kevent_t;

typedef union
{
    struct
    {
        u32_t handle;
        u32_t euid;
    };
    u64_t raw;
}evhandle_t;

typedef struct
{
  u32_t      handle;
  u32_t      io_code;
  void       *input;
  int        inp_size;
  void       *output;
  int        out_size;
}ioctl_t;

typedef int (__stdcall *srv_proc_t)(ioctl_t *);

#define ERR_OK       0
#define ERR_PARAM   -1


struct ddk_params;

int   ddk_init(struct ddk_params *params);

u32_t drvEntry(int, char *)__asm__("_drvEntry");



static inline void *kmalloc_array(size_t n, size_t size, gfp_t flags)
{
//    if (size != 0 && n > SIZE_MAX / size)
//        return NULL;
    return kmalloc(n * size, flags);
}


#endif      /*    DDK_H    */