/*      $NetBSD: rf_callback.c,v 1.25 2021/07/23 00:54:45 oster Exp $   */
/*
* Copyright (c) 1995 Carnegie-Mellon University.
* All rights reserved.
*
* Author: Jim Zelenka
*
* Permission to use, copy, modify and distribute this software and
* its documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
*  Software Distribution Coordinator  or  [email protected]
*  School of Computer Science
*  Carnegie Mellon University
*  Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie the
* rights to redistribute these changes.
*/

/*****************************************************************************
*
* callback.c -- code to manipulate callback descriptor
*
****************************************************************************/


#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: rf_callback.c,v 1.25 2021/07/23 00:54:45 oster Exp $");

#include <dev/raidframe/raidframevar.h>
#include <sys/pool.h>

#include "rf_archs.h"
#include "rf_threadstuff.h"
#include "rf_callback.h"
#include "rf_debugMem.h"
#include "rf_general.h"
#include "rf_shutdown.h"
#include "rf_netbsd.h"
#include "rf_raid.h"

#define RF_MAX_FREE_CALLBACK 64
#define RF_MIN_FREE_CALLBACK 32

static void rf_ShutdownCallback(void *);
static void
rf_ShutdownCallback(void *arg)
{
       RF_Raid_t *raidPtr;

       raidPtr = (RF_Raid_t *) arg;

       pool_destroy(&raidPtr->pools.callbackf);
       pool_destroy(&raidPtr->pools.callbackv);
}

int
rf_ConfigureCallback(RF_ShutdownList_t **listp, RF_Raid_t *raidPtr,
                    RF_Config_t *cfgPtr)
{

       rf_pool_init(raidPtr, raidPtr->poolNames.callbackf, &raidPtr->pools.callbackf, sizeof(RF_CallbackFuncDesc_t),
                    "callbackf", RF_MIN_FREE_CALLBACK, RF_MAX_FREE_CALLBACK);
       rf_pool_init(raidPtr, raidPtr->poolNames.callbackv, &raidPtr->pools.callbackv, sizeof(RF_CallbackValueDesc_t),
                    "callbackv", RF_MIN_FREE_CALLBACK, RF_MAX_FREE_CALLBACK);
       rf_ShutdownCreate(listp, rf_ShutdownCallback, raidPtr);

       return (0);
}

RF_CallbackFuncDesc_t *
rf_AllocCallbackFuncDesc(RF_Raid_t *raidPtr)
{
       return pool_get(&raidPtr->pools.callbackf, PR_WAITOK);
}

void
rf_FreeCallbackFuncDesc(RF_Raid_t *raidPtr, RF_CallbackFuncDesc_t *p)
{
       pool_put(&raidPtr->pools.callbackf, p);
}

RF_CallbackValueDesc_t *
rf_AllocCallbackValueDesc(RF_Raid_t *raidPtr)
{
       return pool_get(&raidPtr->pools.callbackv, PR_WAITOK);
}

void
rf_FreeCallbackValueDesc(RF_Raid_t *raidPtr, RF_CallbackValueDesc_t *p)
{
       pool_put(&raidPtr->pools.callbackv, p);
}