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"
46 #include <sys/scsi/scsi.h>
50 #include <scsi/generic/commands.h>
51 #include <scsi/impl/uscsi.h>
55 #include <sys/dsreq.h>
59 #include <scsi/scsi.h>
64 #include <sys/scsicmd.h>
67 #if (defined(OS_freebsd)) && (__FreeBSD__ >= 2)
71 #if defined(OS_netbsd) || defined(OS_netbsdelf)
72 #include <sys/scsiio.h>
75 unsigned int scsi_max_length(void)
84 int scsi_open(const char *name, int flag UNUSEDP, int mode UNUSEDP,
85 void **extra_data UNUSEDP)
87 #if (defined(OS_freebsd)) && (__FreeBSD__ >= 2)
88 struct cam_device *cam_dev;
89 cam_dev = cam_open_device(name, O_RDWR);
90 *extra_data = (void *) cam_dev;
96 return open(name, O_RDONLY | O_LARGEFILE | O_BINARY
100 /* O_RDONLY | dev->mode*/);
104 int scsi_cmd(int fd, unsigned char *cdb, uint8_t cmdlen, scsi_io_mode_t mode,
105 void *data, uint32_t len, void *extra_data UNUSEDP)
108 struct sctl_io sctl_io;
110 memset(&sctl_io, 0, sizeof sctl_io); /* clear reserved fields */
111 memcpy(sctl_io.cdb, cdb, cmdlen); /* copy command */
112 sctl_io.cdb_length = cmdlen; /* command length */
113 sctl_io.max_msecs = 2000; /* allow 2 seconds for cmd */
117 sctl_io.flags = SCTL_READ;
118 sctl_io.data_length = len;
123 sctl_io.data_length = data ? len : 0;
124 sctl_io.data = len ? data : 0;
128 if (ioctl(fd, SIOC_IO, &sctl_io) == -1) {
133 return sctl_io.cdb_status;
135 #elif defined OS_sunos || defined OS_solaris
136 struct uscsi_cmd uscsi_cmd;
137 memset(&uscsi_cmd, 0, sizeof uscsi_cmd);
138 uscsi_cmd.uscsi_cdb = (char *)cdb;
139 uscsi_cmd.uscsi_cdblen = cmdlen;
141 uscsi_cmd.uscsi_timeout = 20; /* msec? */
144 uscsi_cmd.uscsi_buflen = (u_int)len;
145 uscsi_cmd.uscsi_bufaddr = data;
149 uscsi_cmd.uscsi_flags = USCSI_READ;
152 uscsi_cmd.uscsi_flags = USCSI_WRITE;
156 if (ioctl(fd, USCSICMD, &uscsi_cmd) == -1) {
161 if(uscsi_cmd.uscsi_status) {
163 fprintf(stderr,"scsi status=%x\n",
164 (unsigned short)uscsi_cmd.uscsi_status);
170 #elif defined OS_linux
171 struct sg_io_hdr my_scsi_cmd;
176 memset(&my_scsi_cmd,0,sizeof(my_scsi_cmd));
177 my_scsi_cmd.interface_id = 'S';
178 my_scsi_cmd.dxfer_direction = (mode == SCSI_IO_READ)?(SG_DXFER_FROM_DEV):(SG_DXFER_TO_DEV);
179 my_scsi_cmd.cmd_len = cmdlen;
180 my_scsi_cmd.mx_sb_len = 0;
181 my_scsi_cmd.dxfer_len = len;
182 my_scsi_cmd.dxferp = data;
183 my_scsi_cmd.cmdp = cdb;
184 my_scsi_cmd.timeout = ~0u; /* where is MAX_UINT defined??? */
187 printf("CMD(%d): %02x%02x%02x%02x%02x%02x %sdevice\n",cmdlen,cdb[0],cdb[1],cdb[2],cdb[3],cdb[4],cdb[5],
188 (mode==SCSI_IO_READ)?("<-"):("->"));
189 printf("DATA : len = %d\n",len);
192 if (ioctl(fd, SG_IO,&my_scsi_cmd) < 0) {
197 return my_scsi_cmd.status & STATUS_MASK;
199 #elif (defined _SCO_DS) && (defined SCSIUSERCMD)
200 struct scsicmd my_scsi_cmd;
202 memset(my_scsi_cmd.cdb, 0, SCSICMDLEN); /* ensure zero pad */
203 memcpy(my_scsi_cmd.cdb, cdb, cmdlen);
204 my_scsi_cmd.cdb_len = cmdlen;
205 my_scsi_cmd.data_len = len;
206 my_scsi_cmd.data_ptr = data;
207 my_scsi_cmd.is_write = mode == SCSI_IO_WRITE;
208 if (ioctl(fd,SCSIUSERCMD,&my_scsi_cmd) == -1) {
209 perror("scsi_io: SCSIUSERCMD");
212 if (my_scsi_cmd.host_sts != 0 || my_scsi_cmd.target_sts != 0) {
213 fprintf(stderr, "scsi_io: scsi status: host=%x; target=%x\n",
214 (unsigned)my_scsi_cmd.host_sts,(unsigned)my_scsi_cmd.target_sts);
219 struct dsreq my_scsi_cmd;
221 my_scsi_cmd.ds_cmdbuf = (char *)cdb;
222 my_scsi_cmd.ds_cmdlen = cmdlen;
223 my_scsi_cmd.ds_databuf = data;
224 my_scsi_cmd.ds_datalen = len;
227 my_scsi_cmd.ds_flags = DSRQ_READ|DSRQ_SENSE;
230 my_scsi_cmd.ds_flags = DSRQ_WRITE|DSRQ_SENSE;
233 my_scsi_cmd.ds_time = 10000;
234 my_scsi_cmd.ds_link = 0;
235 my_scsi_cmd.ds_synch =0;
236 my_scsi_cmd.ds_ret =0;
237 if (ioctl(fd, DS_ENTER, &my_scsi_cmd) == -1) {
242 if(my_scsi_cmd.ds_status) {
244 fprintf(stderr,"scsi status=%x\n",
245 (unsigned short)my_scsi_cmd.ds_status);
250 #elif (defined OS_freebsd) && (__FreeBSD__ >= 2)
251 #define MSG_SIMPLE_Q_TAG 0x20 /* O/O */
255 struct cam_device *cam_dev = (struct cam_device *) extra_data;
258 if (cam_dev==NULL || cam_dev->fd!=fd)
260 fprintf(stderr,"invalid file descriptor\n");
263 ccb = cam_getccb(cam_dev);
265 bcopy(cdb, ccb->csio.cdb_io.cdb_bytes, cmdlen);
267 if (mode == SCSI_IO_READ)
269 else if (data && len)
272 flags = CAM_DIR_NONE;
273 cam_fill_csio(&ccb->csio,
277 /* tag_action */ MSG_SIMPLE_Q_TAG,
278 /*data_ptr*/ len ? data : 0,
279 /*data_len */ data ? len : 0,
284 if (cam_send_ccb(cam_dev, ccb) < 0 ||
285 (ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
289 #elif defined(OS_netbsd) || defined(OS_netbsdelf)
292 memset(&sc, 0, sizeof(sc));
293 memcpy(sc.cmd, cdb, cmdlen);
301 sc.flags = SCCMD_READ;
304 sc.flags = SCCMD_WRITE;
308 if (ioctl(fd, SCIOCCOMMAND, &sc) == -1) {
309 perror("SCIOCCOMMAND ioctl");
315 fprintf(stderr, "SCSI command failed, retsts %d\n",
322 fprintf(stderr, "scsi_io not implemented\n");