1 /* Copyright 1996 Grant R. Guenther, based on work of Itai Nahshon
2 * http://www.torque.net/ziptool.html
3 * Copyright 1997-1999,2001,2002,2005,2007,2009 Alain Knaff.
4 * This file is part of mtools.
6 * Mtools is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
11 * Mtools is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with Mtools. If not, see <http://www.gnu.org/licenses/>.
20 * Iomega Zip/Jaz drive tool
21 * change protection mode and eject disk
24 /* scis.c by Markus Gyger <mgyger@itr.ch> */
25 /* This code is based on ftp://gear.torque.net/pub/ziptool.c */
26 /* by Grant R. Guenther with the following copyright notice: */
28 /* (c) 1996 Grant R. Guenther, based on work of Itai Nahshon */
29 /* http://www.torque.net/ziptool.html */
32 /* A.K. Moved this from mzip.c to a separate file in order to share with
35 #include "sysincludes.h"
44 #include <sys/scsi/scsi.h>
48 #include <scsi/generic/commands.h>
49 #include <scsi/impl/uscsi.h>
53 #include <sys/dsreq.h>
57 #include <scsi/scsi.h>
62 #include <sys/scsicmd.h>
65 #if (defined(OS_freebsd)) && (__FreeBSD__ >= 2)
69 #if defined(OS_netbsd) || defined(OS_netbsdelf)
70 #include <sys/scsiio.h>
73 int scsi_max_length(void)
82 int scsi_open(const char *name, int flag, int mode, void **extra_data)
84 #if (defined(OS_freebsd)) && (__FreeBSD__ >= 2)
85 struct cam_device *cam_dev;
86 cam_dev = cam_open_device(name, O_RDWR);
87 *extra_data = (void *) cam_dev;
93 return open(name, O_RDONLY | O_LARGEFILE | O_BINARY
97 /* O_RDONLY | dev->mode*/);
101 int scsi_cmd(int fd, unsigned char *cdb, int cmdlen, scsi_io_mode_t mode,
102 void *data, size_t len, void *extra_data)
105 struct sctl_io sctl_io;
107 memset(&sctl_io, 0, sizeof sctl_io); /* clear reserved fields */
108 memcpy(sctl_io.cdb, cdb, cmdlen); /* copy command */
109 sctl_io.cdb_length = cmdlen; /* command length */
110 sctl_io.max_msecs = 2000; /* allow 2 seconds for cmd */
114 sctl_io.flags = SCTL_READ;
115 sctl_io.data_length = len;
120 sctl_io.data_length = data ? len : 0;
121 sctl_io.data = len ? data : 0;
125 if (ioctl(fd, SIOC_IO, &sctl_io) == -1) {
130 return sctl_io.cdb_status;
132 #elif defined OS_sunos || defined OS_solaris
133 struct uscsi_cmd uscsi_cmd;
134 memset(&uscsi_cmd, 0, sizeof uscsi_cmd);
135 uscsi_cmd.uscsi_cdb = (char *)cdb;
136 uscsi_cmd.uscsi_cdblen = cmdlen;
138 uscsi_cmd.uscsi_timeout = 20; /* msec? */
141 uscsi_cmd.uscsi_buflen = (u_int)len;
142 uscsi_cmd.uscsi_bufaddr = data;
146 uscsi_cmd.uscsi_flags = USCSI_READ;
149 uscsi_cmd.uscsi_flags = USCSI_WRITE;
153 if (ioctl(fd, USCSICMD, &uscsi_cmd) == -1) {
158 if(uscsi_cmd.uscsi_status) {
160 fprintf(stderr,"scsi status=%x\n",
161 (unsigned short)uscsi_cmd.uscsi_status);
167 #elif defined OS_linux
168 struct sg_io_hdr my_scsi_cmd;
173 memset(&scsi_cmd,0,sizeof(scsi_cmd));
174 my_scsi_cmd.interface_id = 'S';
175 my_scsi_cmd.dxfer_direction = (mode == SCSI_IO_READ)?(SG_DXFER_FROM_DEV):(SG_DXFER_TO_DEV);
176 my_scsi_cmd.cmd_len = cmdlen;
177 my_scsi_cmd.mx_sb_len = 0;
178 my_scsi_cmd.dxfer_len = len;
179 my_scsi_cmd.dxferp = data;
180 my_scsi_cmd.cmdp = cdb;
181 my_scsi_cmd.timeout = ~0; /* where is MAX_UINT defined??? */
184 printf("CMD(%d): %02x%02x%02x%02x%02x%02x %sdevice\n",cmdlen,cdb[0],cdb[1],cdb[2],cdb[3],cdb[4],cdb[5],
185 (mode==SCSI_IO_READ)?("<-"):("->"));
186 printf("DATA : len = %d\n",len);
189 if (ioctl(fd, SG_IO,&my_scsi_cmd) < 0) {
194 return my_scsi_cmd.status & STATUS_MASK;
196 #elif (defined _SCO_DS) && (defined SCSIUSERCMD)
197 struct scsicmd my_scsi_cmd;
199 memset(my_scsi_cmd.cdb, 0, SCSICMDLEN); /* ensure zero pad */
200 memcpy(my_scsi_cmd.cdb, cdb, cmdlen);
201 my_scsi_cmd.cdb_len = cmdlen;
202 my_scsi_cmd.data_len = len;
203 my_scsi_cmd.data_ptr = data;
204 my_scsi_cmd.is_write = mode == SCSI_IO_WRITE;
205 if (ioctl(fd,SCSIUSERCMD,&my_scsi_cmd) == -1) {
206 perror("scsi_io: SCSIUSERCMD");
209 if (my_scsi_cmd.host_sts != 0 || my_scsi_cmd.target_sts != 0) {
210 fprintf(stderr, "scsi_io: scsi status: host=%x; target=%x\n",
211 (unsigned)my_scsi_cmd.host_sts,(unsigned)my_scsi_cmd.target_sts);
216 struct dsreq my_scsi_cmd;
218 my_scsi_cmd.ds_cmdbuf = (char *)cdb;
219 my_scsi_cmd.ds_cmdlen = cmdlen;
220 my_scsi_cmd.ds_databuf = data;
221 my_scsi_cmd.ds_datalen = len;
224 my_scsi_cmd.ds_flags = DSRQ_READ|DSRQ_SENSE;
227 my_scsi_cmd.ds_flags = DSRQ_WRITE|DSRQ_SENSE;
230 my_scsi_cmd.ds_time = 10000;
231 my_scsi_cmd.ds_link = 0;
232 my_scsi_cmd.ds_synch =0;
233 my_scsi_cmd.ds_ret =0;
234 if (ioctl(fd, DS_ENTER, &my_scsi_cmd) == -1) {
239 if(my_scsi_cmd.ds_status) {
241 fprintf(stderr,"scsi status=%x\n",
242 (unsigned short)my_scsi_cmd.ds_status);
247 #elif (defined OS_freebsd) && (__FreeBSD__ >= 2)
248 #define MSG_SIMPLE_Q_TAG 0x20 /* O/O */
252 struct cam_device *cam_dev = (struct cam_device *) extra_data;
255 if (cam_dev==NULL || cam_dev->fd!=fd)
257 fprintf(stderr,"invalid file descriptor\n");
260 ccb = cam_getccb(cam_dev);
262 bcopy(cdb, ccb->csio.cdb_io.cdb_bytes, cmdlen);
264 if (mode == SCSI_IO_READ)
266 else if (data && len)
269 flags = CAM_DIR_NONE;
270 cam_fill_csio(&ccb->csio,
274 /* tag_action */ MSG_SIMPLE_Q_TAG,
275 /*data_ptr*/ len ? data : 0,
276 /*data_len */ data ? len : 0,
281 if (cam_send_ccb(cam_dev, ccb) < 0 ||
282 (ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
286 #elif defined(OS_netbsd) || defined(OS_netbsdelf)
289 memset(&sc, 0, sizeof(sc));
290 memcpy(sc.cmd, cdb, cmdlen);
298 sc.flags = SCCMD_READ;
301 sc.flags = SCCMD_WRITE;
305 if (ioctl(fd, SCIOCCOMMAND, &sc) == -1) {
306 perror("SCIOCCOMMAND ioctl");
312 fprintf(stderr, "SCSI command failed, retsts %d\n",
319 fprintf(stderr, "scsi_io not implemented\n");