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freebsd/sys/dev/raidframe/rf_reconbuffer.h
Scott Long f9d186edc8 After much delay and anticipation, welcome RAIDFrame into the FreeBSD
world.  This should be considered highly experimental.

Approved-by:	re
2002-10-20 08:17:39 +00:00

64 lines
2.2 KiB
C

/* $FreeBSD$ */
/* $NetBSD: rf_reconbuffer.h,v 1.3 1999/02/05 00:06:16 oster Exp $ */
/*
* Copyright (c) 1995 Carnegie-Mellon University.
* All rights reserved.
*
* Author: Mark Holland
*
* 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 Software.Distribution@CS.CMU.EDU
* 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.
*/
/*******************************************************************
*
* rf_reconbuffer.h -- header file for reconstruction buffer manager
*
*******************************************************************/
#ifndef _RF__RF_RECONBUFFER_H_
#define _RF__RF_RECONBUFFER_H_
#include <dev/raidframe/rf_types.h>
#include <dev/raidframe/rf_reconstruct.h>
int
rf_SubmitReconBuffer(RF_ReconBuffer_t * rbuf, int keep_int,
int use_committed);
int
rf_SubmitReconBufferBasic(RF_ReconBuffer_t * rbuf, int keep_int,
int use_committed);
int
rf_MultiWayReconXor(RF_Raid_t * raidPtr,
RF_ReconParityStripeStatus_t * pssPtr);
RF_ReconBuffer_t *rf_GetFullReconBuffer(RF_ReconCtrl_t * reconCtrlPtr);
int
rf_CheckForFullRbuf(RF_Raid_t * raidPtr, RF_ReconCtrl_t * reconCtrl,
RF_ReconParityStripeStatus_t * pssPtr, int numDataCol);
void
rf_ReleaseFloatingReconBuffer(RF_Raid_t * raidPtr, RF_RowCol_t row,
RF_ReconBuffer_t * rbuf);
void
rf_ReleaseBufferWaiters(RF_Raid_t * raidPtr,
RF_ReconParityStripeStatus_t * pssPtr);
void rf_ReleaseBufferWaiter(RF_ReconCtrl_t * rcPtr, RF_ReconBuffer_t * rbuf);
#endif /* !_RF__RF_RECONBUFFER_H_ */