1 /* $NetBSD: scsipi_base.h,v 1.13 2003/01/06 21:02:18 matt Exp $ */ 2 3 /*- 4 * Copyright (c) 1998 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Charles M. Hannum. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #ifndef _DEV_SCSIPI_SCSIPI_BASE_H_ 40 #define _DEV_SCSIPI_SCSIPI_BASE_H_ 41 42 struct scsipi_xfer *scsipi_get_xs __P((struct scsipi_periph *, int)); 43 void scsipi_put_xs __P((struct scsipi_xfer *)); 44 45 static __inline struct scsipi_xfer *scsipi_make_xs __P((struct scsipi_periph *, 46 struct scsipi_generic *, int cmdlen, u_char *data_addr, 47 int datalen, int retries, int timeout, struct buf *, 48 int flags)) __attribute__ ((__unused__)); 49 50 /* 51 * Make a scsipi_xfer, and return a pointer to it. 52 */ 53 54 static __inline struct scsipi_xfer * 55 scsipi_make_xs(periph, scsipi_cmd, cmdlen, data_addr, datalen, 56 retries, timeout, bp, flags) 57 struct scsipi_periph *periph; 58 struct scsipi_generic *scsipi_cmd; 59 int cmdlen; 60 u_char *data_addr; 61 int datalen; 62 int retries; 63 int timeout; 64 struct buf *bp; 65 int flags; 66 { 67 struct scsipi_xfer *xs; 68 69 if ((xs = scsipi_get_xs(periph, flags)) == NULL) 70 return (NULL); 71 72 /* 73 * Fill out the scsipi_xfer structure. We don't know whose context 74 * the cmd is in, so copy it. 75 */ 76 memcpy(&xs->cmdstore, scsipi_cmd, cmdlen); 77 xs->cmd = &xs->cmdstore; 78 xs->cmdlen = cmdlen; 79 xs->data = data_addr; 80 xs->datalen = datalen; 81 xs->xs_retries = retries; 82 xs->timeout = timeout; 83 xs->bp = bp; 84 85 return (xs); 86 } 87 88 #endif /* _DEV_SCSIPI_SCSIPI_BASE_H_ */ 89