scsi_resource.h revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 1996, by Sun Microsystems, Inc.
* All rights reserved.
*/
#ifndef _SYS_SCSI_SCSI_RESOURCE_H
#define _SYS_SCSI_SCSI_RESOURCE_H
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/scsi/scsi_types.h>
#ifdef __cplusplus
extern "C" {
#endif
/*
* SCSI Resource Function Declaratoins
*/
/*
* Defines for stating preferences in resource allocation
*/
#define NULL_FUNC ((int (*)())0)
#define SLEEP_FUNC ((int (*)())1)
#ifdef _KERNEL
/*
* Defines for the flags to scsi_init_pkt()
*/
#define PKT_CONSISTENT 0x0001 /* this is an 'iopb' packet */
#define PKT_DMA_PARTIAL 0x040000 /* partial xfer ok */
/*
* Old PKT_CONSISTENT value for binary compatibility with x86 2.1
*/
#define PKT_CONSISTENT_OLD 0x001000
/*
* Kernel function declarations
*/
#ifdef __STDC__
extern struct buf *scsi_alloc_consistent_buf(struct scsi_address *,
struct buf *, size_t, uint_t, int (*)(caddr_t), caddr_t);
extern struct scsi_pkt *scsi_init_pkt(struct scsi_address *,
struct scsi_pkt *, struct buf *, int, int, int, int,
int (*)(caddr_t), caddr_t);
extern void scsi_destroy_pkt(struct scsi_pkt *);
extern void scsi_free_consistent_buf(struct buf *);
extern struct scsi_pkt *scsi_resalloc(struct scsi_address *, int,
int, opaque_t, int (*)());
extern struct scsi_pkt *scsi_pktalloc(struct scsi_address *, int, int,
int (*)());
extern struct scsi_pkt *scsi_dmaget(struct scsi_pkt *,
opaque_t, int (*)());
extern void scsi_dmafree(struct scsi_pkt *);
extern void scsi_sync_pkt(struct scsi_pkt *);
extern void scsi_resfree(struct scsi_pkt *);
#else /* __STDC__ */
extern struct scsi_pkt *scsi_init_pkt();
extern void scsi_destroy_pkt();
extern struct buf *scsi_alloc_consistent_buf();
extern void scsi_free_consistent_buf();
extern struct scsi_pkt *scsi_resalloc();
extern struct scsi_pkt *scsi_pktalloc();
extern struct scsi_pkt *scsi_dmaget();
extern void scsi_resfree();
extern void scsi_dmafree();
extern void scsi_sync_pkt();
#endif /* __STDC__ */
/*
* Preliminary version of the SCSA specification
* mentioned a routine called scsi_pktfree, which
* turned out to be semantically equivialent to
* scsi_resfree.
*/
#define scsi_pktfree scsi_resfree
#endif /* _KERNEL */
#ifdef __cplusplus
}
#endif
#endif /* _SYS_SCSI_SCSI_RESOURCE_H */