qos_types.h

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#ifndef __QOS_TYPES_H__
#define __QOS_TYPES_H__

#include "qos_ul.h"
#include <linux/aquosa/rres_config.h>

#ifdef QOS_KS
#  include <linux/types.h>
#else
#  include <sys/types.h>
#endif

/****************************************************************************
 *                             BASIC TYPES                                  *
 ****************************************************************************/
typedef long qres_time_t;
typedef long long qres_atime_t;

#define QRES_TIME_FMT "%ld"     
#define QRES_ATIME_FMT "%lld"   
static inline struct timespec qres_time_to_timespec(qres_time_t time) {
  struct timespec dummy_ts;
  dummy_ts.tv_sec = time / 1000000;
  dummy_ts.tv_nsec = (time % 1000000) * 1000;
  return dummy_ts;
}

static inline qres_time_t qres_timespec_to_time(struct timespec ts) {
  return (qres_time_t)
    ts.tv_sec * 1000000 + (qres_time_t) ts.tv_nsec / 1000;
}

typedef int qres_sid_t;         
#define QRES_SID_FMT "%d"       
#define QRES_SID_NULL ((qres_sid_t)0) 
typedef int qos_bool_t;

typedef pid_t tid_t;

typedef unsigned long int qos_bw_t;

#define QOS_BW_FMT "%lu"

#define QOS_BW_BITS 24

#define MAX_BW (1ul << QOS_BW_BITS)

#define U_LUB r2bw_c(RRES_U_LUB, 100)

#ifndef QOS_KS

static inline qos_bw_t d2bw(double b) {
  return (qos_bw_t) (b * (double) MAX_BW);
}

#define md2bw(b) ((qos_bw_t) (b * (double) MAX_BW))

static inline double bw2d(qos_bw_t b) {
  return ((double) (b)) / ((double) MAX_BW);
}
#endif

static inline qos_bw_t r2bw(qres_time_t Q, qres_time_t P) {
  return ul_shl_div((unsigned long) Q, QOS_BW_BITS, (unsigned long) P);
}

static inline qos_bw_t r2bw_ceil(qres_time_t Q, qres_time_t P) {
  return ul_shl_ceil((unsigned long) Q, QOS_BW_BITS, (unsigned long) P);
}

static inline unsigned long div_by_bw(unsigned long num, qos_bw_t bw) {
  return ul_shl_div(num, QOS_BW_BITS, bw);
}

static inline unsigned long mul_by_bw(unsigned long value, qos_bw_t bw) {
  return ul_mul_shr(value, bw, QOS_BW_BITS);
}

#define r2bw_c(Q, P) ((qos_bw_t) ((((unsigned long long) (Q)) << QOS_BW_BITS) / (P)))

#include "qos_debug.h"

static inline qres_time_t bw2Q(qos_bw_t bw, qres_time_t P) {
  /* bw=Q*MAX_BW/P ==> Q=bw*P/MAX_BW */
  //return ((unsigned long) bw) * ((unsigned long) P) >> QOS_BW_BITS;
/*    unsigned long Q = ul_mul_shr(bw, P, QOS_BW_BITS); */

/*   return Q; */
  return ul_mul_shr(bw, P, QOS_BW_BITS);
}

#define QRES_DEF_P 100000

#define QOS_F_DEFAULT   0x00000001

#define QOS_F_SOFT       0x00000002
#define QOS_F_NOMULTI    0x00000004  
#define QOS_F_PERSISTENT 0x00000008  
#endif /* __QOS_TYPES_H__ */

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