1*b67baf4cSchristos /* $NetBSD: rf_dagfuncs.h,v 1.11 2019/10/10 03:43:59 christos Exp $ */ 238a3987bSoster /* 338a3987bSoster * Copyright (c) 1995 Carnegie-Mellon University. 438a3987bSoster * All rights reserved. 538a3987bSoster * 638a3987bSoster * Author: Mark Holland, William V. Courtright II, Jim Zelenka 738a3987bSoster * 838a3987bSoster * Permission to use, copy, modify and distribute this software and 938a3987bSoster * its documentation is hereby granted, provided that both the copyright 1038a3987bSoster * notice and this permission notice appear in all copies of the 1138a3987bSoster * software, derivative works or modified versions, and any portions 1238a3987bSoster * thereof, and that both notices appear in supporting documentation. 1338a3987bSoster * 1438a3987bSoster * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 1538a3987bSoster * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 1638a3987bSoster * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 1738a3987bSoster * 1838a3987bSoster * Carnegie Mellon requests users of this software to return to 1938a3987bSoster * 2038a3987bSoster * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 2138a3987bSoster * School of Computer Science 2238a3987bSoster * Carnegie Mellon University 2338a3987bSoster * Pittsburgh PA 15213-3890 2438a3987bSoster * 2538a3987bSoster * any improvements or extensions that they make and grant Carnegie the 2638a3987bSoster * rights to redistribute these changes. 2738a3987bSoster */ 2838a3987bSoster 2938a3987bSoster /***************************************************************************************** 3038a3987bSoster * 3138a3987bSoster * dagfuncs.h -- header file for DAG node execution routines 3238a3987bSoster * 3338a3987bSoster ****************************************************************************************/ 3438a3987bSoster 3538a3987bSoster #ifndef _RF__RF_DAGFUNCS_H_ 3638a3987bSoster #define _RF__RF_DAGFUNCS_H_ 3738a3987bSoster 3838a3987bSoster int rf_ConfigureDAGFuncs(RF_ShutdownList_t ** listp); 39*b67baf4cSchristos void rf_TerminateFunc(RF_DagNode_t * node); 40*b67baf4cSchristos void rf_TerminateUndoFunc(RF_DagNode_t * node); 41*b67baf4cSchristos void rf_DiskReadMirrorIdleFunc(RF_DagNode_t * node); 42*b67baf4cSchristos void rf_DiskReadMirrorPartitionFunc(RF_DagNode_t * node); 43*b67baf4cSchristos void rf_DiskReadMirrorUndoFunc(RF_DagNode_t * node); 44*b67baf4cSchristos void rf_ParityLogUpdateFunc(RF_DagNode_t * node); 45*b67baf4cSchristos void rf_ParityLogOverwriteFunc(RF_DagNode_t * node); 46*b67baf4cSchristos void rf_ParityLogUpdateUndoFunc(RF_DagNode_t * node); 47*b67baf4cSchristos void rf_ParityLogOverwriteUndoFunc(RF_DagNode_t * node); 48*b67baf4cSchristos void rf_NullNodeFunc(RF_DagNode_t * node); 49*b67baf4cSchristos void rf_NullNodeUndoFunc(RF_DagNode_t * node); 50*b67baf4cSchristos void rf_DiskReadFuncForThreads(RF_DagNode_t * node); 51*b67baf4cSchristos void rf_DiskWriteFuncForThreads(RF_DagNode_t * node); 52*b67baf4cSchristos void rf_DiskUndoFunc(RF_DagNode_t * node); 53*b67baf4cSchristos void rf_GenericWakeupFunc(void *, int); 54*b67baf4cSchristos void rf_RegularXorFunc(RF_DagNode_t * node); 55*b67baf4cSchristos void rf_SimpleXorFunc(RF_DagNode_t * node); 56*b67baf4cSchristos void rf_RecoveryXorFunc(RF_DagNode_t * node); 5700145885Soster int 5800145885Soster rf_XorIntoBuffer(RF_Raid_t * raidPtr, RF_PhysDiskAddr_t * pda, char *srcbuf, 594635d077Soster char *targbuf); 604635d077Soster int rf_bxor(char *src, char *dest, int len); 6100145885Soster int 624635d077Soster rf_longword_bxor(unsigned long *src, unsigned long *dest, int len); 6300145885Soster int 648d702c4bSoster rf_longword_bxor3(unsigned long *dest, unsigned long *a, unsigned long *b, 658d702c4bSoster unsigned long *c, int len, void *bp); 6600145885Soster int 6700145885Soster rf_bxor3(unsigned char *dst, unsigned char *a, unsigned char *b, 6838a3987bSoster unsigned char *c, unsigned long len, void *bp); 6938a3987bSoster 7038a3987bSoster /* function ptrs defined in ConfigureDAGFuncs() */ 71*b67baf4cSchristos extern void (*rf_DiskReadFunc) (RF_DagNode_t *); 72*b67baf4cSchristos extern void (*rf_DiskWriteFunc) (RF_DagNode_t *); 73*b67baf4cSchristos extern void (*rf_DiskReadUndoFunc) (RF_DagNode_t *); 74*b67baf4cSchristos extern void (*rf_DiskWriteUndoFunc) (RF_DagNode_t *); 75*b67baf4cSchristos extern void (*rf_SimpleXorUndoFunc) (RF_DagNode_t *); 76*b67baf4cSchristos extern void (*rf_RegularXorUndoFunc) (RF_DagNode_t *); 77*b67baf4cSchristos extern void (*rf_RecoveryXorUndoFunc) (RF_DagNode_t *); 7838a3987bSoster 7938a3987bSoster /* macros for manipulating the param[3] in a read or write node */ 802e191866Soster #define RF_CREATE_PARAM3(pri, wru) (((RF_uint64)(((wru&0xFFFFFF)<<8)|((pri)&0xF)) )) 8138a3987bSoster #define RF_EXTRACT_PRIORITY(_x_) ((((unsigned) ((unsigned long)(_x_))) >> 0) & 0x0F) 8238a3987bSoster #define RF_EXTRACT_RU(_x_) ((((unsigned) ((unsigned long)(_x_))) >> 8) & 0xFFFFFF) 8338a3987bSoster 8438a3987bSoster #endif /* !_RF__RF_DAGFUNCS_H_ */ 85