scsipi_base.h revision 1.1.2.1
1 1.1.2.1 bouyer /* $NetBSD: scsipi_base.h,v 1.1.2.1 1997/07/01 16:52:35 bouyer Exp $ */ 2 1.1.2.1 bouyer 3 1.1.2.1 bouyer /* 4 1.1.2.1 bouyer * Copyright (c) 1994, 1995, 1997 Charles M. Hannum. All rights reserved. 5 1.1.2.1 bouyer * 6 1.1.2.1 bouyer * Redistribution and use in source and binary forms, with or without 7 1.1.2.1 bouyer * modification, are permitted provided that the following conditions 8 1.1.2.1 bouyer * are met: 9 1.1.2.1 bouyer * 1. Redistributions of source code must retain the above copyright 10 1.1.2.1 bouyer * notice, this list of conditions and the following disclaimer. 11 1.1.2.1 bouyer * 2. Redistributions in binary form must reproduce the above copyright 12 1.1.2.1 bouyer * notice, this list of conditions and the following disclaimer in the 13 1.1.2.1 bouyer * documentation and/or other materials provided with the distribution. 14 1.1.2.1 bouyer * 3. All advertising materials mentioning features or use of this software 15 1.1.2.1 bouyer * must display the following acknowledgement: 16 1.1.2.1 bouyer * This product includes software developed by Charles M. Hannum. 17 1.1.2.1 bouyer * 4. The name of the author may not be used to endorse or promote products 18 1.1.2.1 bouyer * derived from this software without specific prior written permission. 19 1.1.2.1 bouyer * 20 1.1.2.1 bouyer * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 21 1.1.2.1 bouyer * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 22 1.1.2.1 bouyer * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 23 1.1.2.1 bouyer * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 24 1.1.2.1 bouyer * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 25 1.1.2.1 bouyer * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 1.1.2.1 bouyer * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 1.1.2.1 bouyer * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 1.1.2.1 bouyer * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 29 1.1.2.1 bouyer * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 1.1.2.1 bouyer */ 31 1.1.2.1 bouyer 32 1.1.2.1 bouyer /* 33 1.1.2.1 bouyer * Originally written by Julian Elischer (julian (at) dialix.oz.au) 34 1.1.2.1 bouyer */ 35 1.1.2.1 bouyer 36 1.1.2.1 bouyer extern LIST_HEAD(xs_free_list, scsipi_xfer) xs_free_list; 37 1.1.2.1 bouyer 38 1.1.2.1 bouyer struct scsipi_xfer *scsipi_get_xs __P((struct scsipi_link *, int)); 39 1.1.2.1 bouyer void scsipi_free_xs __P((struct scsipi_xfer *, int)); 40 1.1.2.1 bouyer 41 1.1.2.1 bouyer static __inline struct scsipi_xfer *scsipi_make_xs __P((struct scsipi_link *, 42 1.1.2.1 bouyer struct scsipi_generic *, 43 1.1.2.1 bouyer int cmdlen, 44 1.1.2.1 bouyer u_char *data_addr, 45 1.1.2.1 bouyer int datalen, 46 1.1.2.1 bouyer int retries, 47 1.1.2.1 bouyer int timeout, 48 1.1.2.1 bouyer struct buf *, 49 1.1.2.1 bouyer int flags)); 50 1.1.2.1 bouyer 51 1.1.2.1 bouyer /* 52 1.1.2.1 bouyer * Make a scsipi_xfer, and return a pointer to it. 53 1.1.2.1 bouyer */ 54 1.1.2.1 bouyer 55 1.1.2.1 bouyer static __inline struct scsipi_xfer * 56 1.1.2.1 bouyer scsipi_make_xs(sc_link, scsipi_cmd, cmdlen, data_addr, datalen, 57 1.1.2.1 bouyer retries, timeout, bp, flags) 58 1.1.2.1 bouyer struct scsipi_link *sc_link; 59 1.1.2.1 bouyer struct scsipi_generic *scsipi_cmd; 60 1.1.2.1 bouyer int cmdlen; 61 1.1.2.1 bouyer u_char *data_addr; 62 1.1.2.1 bouyer int datalen; 63 1.1.2.1 bouyer int retries; 64 1.1.2.1 bouyer int timeout; 65 1.1.2.1 bouyer struct buf *bp; 66 1.1.2.1 bouyer int flags; 67 1.1.2.1 bouyer { 68 1.1.2.1 bouyer struct scsipi_xfer *xs; 69 1.1.2.1 bouyer 70 1.1.2.1 bouyer if ((xs = scsipi_get_xs(sc_link, flags)) == NULL) 71 1.1.2.1 bouyer return NULL; 72 1.1.2.1 bouyer 73 1.1.2.1 bouyer /* 74 1.1.2.1 bouyer * Fill out the scsipi_xfer structure. We don't know whose context 75 1.1.2.1 bouyer * the cmd is in, so copy it. 76 1.1.2.1 bouyer */ 77 1.1.2.1 bouyer xs->sc_link = sc_link; 78 1.1.2.1 bouyer bcopy(scsipi_cmd, &xs->cmdstore, cmdlen); 79 1.1.2.1 bouyer xs->cmd = &xs->cmdstore; 80 1.1.2.1 bouyer xs->cmdlen = cmdlen; 81 1.1.2.1 bouyer xs->data = data_addr; 82 1.1.2.1 bouyer xs->datalen = datalen; 83 1.1.2.1 bouyer xs->retries = retries; 84 1.1.2.1 bouyer xs->timeout = timeout; 85 1.1.2.1 bouyer xs->bp = bp; 86 1.1.2.1 bouyer 87 1.1.2.1 bouyer /* 88 1.1.2.1 bouyer * Set the LUN in the CDB if we have an older device. We also 89 1.1.2.1 bouyer * set it for more modern SCSI-II devices "just in case". 90 1.1.2.1 bouyer */ 91 1.1.2.1 bouyer 92 1.1.2.1 bouyer if ((sc_link->type == BUS_SCSI) && 93 1.1.2.1 bouyer ((sc_link->scsipi_scsi.scsi_version & SID_ANSII) <= 2)) 94 1.1.2.1 bouyer xs->cmd->bytes[0] |= 95 1.1.2.1 bouyer ((sc_link->scsipi_scsi.lun << SCSI_CMD_LUN_SHIFT) & 96 1.1.2.1 bouyer SCSI_CMD_LUN_MASK); 97 1.1.2.1 bouyer 98 1.1.2.1 bouyer return xs; 99 1.1.2.1 bouyer } 100
Indexes created Fri Sep 26 08:10:20 GMT 2025