Annotation of src/usr.bin/cdio/mmc.c, Revision 1.9
1.9 ! mjc 1: /* $OpenBSD: mmc.c,v 1.8 2006/06/06 20:48:07 mjc Exp $ */
1.7 deraadt 2:
1.3 mjc 3: /*
4: * Copyright (c) 2006 Michael Coulter <mjc@openbsd.org>
5: *
6: * Permission to use, copy, modify, and distribute this software for any
7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
9: *
10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17: */
18:
1.1 mjc 19: #include <sys/limits.h>
20: #include <sys/types.h>
21: #include <sys/scsiio.h>
1.8 mjc 22: #include <scsi/cd.h>
23: #include <scsi/scsi_all.h>
24: #include <scsi/scsi_disk.h>
1.1 mjc 25: #include <err.h>
1.2 mjc 26: #include <errno.h>
1.1 mjc 27: #include <fcntl.h>
28: #include <stdio.h>
29: #include <string.h>
30: #include <unistd.h>
31: #include "extern.h"
32:
33: extern int fd;
1.2 mjc 34: extern char *cdname;
1.1 mjc 35:
36: int
37: blank(void)
38: {
1.8 mjc 39: struct scsi_blank *scb;
1.1 mjc 40: scsireq_t scr;
41: int r;
42:
43: bzero(&scr, sizeof(scr));
1.8 mjc 44: scb = (struct scsi_blank *)scr.cmd;
45: scb->opcode = BLANK;
46: scb->byte2 |= BLANK_MINIMAL;
47: scr.cmdlen = sizeof(*scb);
1.1 mjc 48: scr.datalen = 0;
49: scr.timeout = 120000;
50: scr.flags = SCCMD_ESCAPE;
51: scr.senselen = SENSEBUFLEN;
52:
1.2 mjc 53: r = ioctl(fd, SCIOCCOMMAND, &scr);
54: if (r == -1 && errno == EPERM) {
55: close(fd);
56: fd = -1;
1.7 deraadt 57: if (!open_cd(cdname, 1))
1.2 mjc 58: return (-1);
59: }
1.1 mjc 60: r = ioctl(fd, SCIOCCOMMAND, &scr);
61: return (r == 0 ? scr.retsts : -1);
62: }
63:
64: int
65: unit_ready(void)
66: {
1.8 mjc 67: struct scsi_test_unit_ready *scb;
1.1 mjc 68: scsireq_t scr;
69: int r;
70:
71: bzero(&scr, sizeof(scr));
1.8 mjc 72: scb = (struct scsi_test_unit_ready *)scr.cmd;
73: scb->opcode = TEST_UNIT_READY;
74: scr.cmdlen = sizeof(*scb);
1.1 mjc 75: scr.datalen = 0;
76: scr.timeout = 120000;
77: scr.flags = SCCMD_ESCAPE;
78: scr.senselen = SENSEBUFLEN;
79:
80: r = ioctl(fd, SCIOCCOMMAND, &scr);
81: return (r == 0 ? scr.retsts : -1);
82: }
83:
84: int
85: synchronize_cache(void)
86: {
1.8 mjc 87: struct scsi_synchronize_cache *scb;
1.1 mjc 88: scsireq_t scr;
89: int r;
90:
91: bzero(&scr, sizeof(scr));
1.8 mjc 92: scb = (struct scsi_synchronize_cache *)scr.cmd;
93: scb->opcode = SYNCHRONIZE_CACHE;
94: scr.cmdlen = sizeof(*scb);
1.1 mjc 95: scr.datalen = 0;
96: scr.timeout = 120000;
97: scr.flags = SCCMD_ESCAPE;
98: scr.senselen = SENSEBUFLEN;
99:
100: r = ioctl(fd, SCIOCCOMMAND, &scr);
101: return (r == 0 ? scr.retsts : -1);
102: }
103:
104: int
105: close_session(void)
106: {
1.8 mjc 107: struct scsi_close_track *scb;
1.1 mjc 108: scsireq_t scr;
109: int r;
110:
111: bzero(&scr, sizeof(scr));
1.8 mjc 112: scb = (struct scsi_close_track *)scr.cmd;
113: scb->opcode = CLOSE_TRACK;
114: scb->closefunc = CT_CLOSE_SESS;
115: scr.cmdlen = sizeof(*scb);
1.1 mjc 116: scr.datalen = 0;
117: scr.timeout = 120000;
118: scr.flags = SCCMD_ESCAPE;
119: scr.senselen = SENSEBUFLEN;
120:
121: r = ioctl(fd, SCIOCCOMMAND, &scr);
122: return (r == 0 ? scr.retsts : -1);
123: }
124:
125: int
1.5 mjc 126: writetao(struct track_head *thp)
1.1 mjc 127: {
128: u_char modebuf[70];
1.5 mjc 129: struct track_info *tr;
1.7 deraadt 130: u_char bdlen;
1.5 mjc 131: int r;
132:
1.1 mjc 133: if ((r = mode_sense_write(modebuf)) != SCCMD_OK) {
134: warnx("mode sense failed: %d", r);
135: return (r);
136: }
137: bdlen = modebuf[7];
138: modebuf[2+8+bdlen] |= 0x40; /* Buffer Underrun Free Enable */
139: modebuf[2+8+bdlen] |= 0x01; /* change write type to TAO */
140:
1.5 mjc 141: SLIST_FOREACH(tr, thp, track_list) {
1.7 deraadt 142: switch (tr->type) {
1.5 mjc 143: case 'd':
1.1 mjc 144: modebuf[3+8+bdlen] = 0x04; /* track mode = data */
145: modebuf[4+8+bdlen] = 0x08; /* 2048 block track mode */
146: modebuf[8+8+bdlen] = 0x00; /* turn off XA */
1.5 mjc 147: break;
148: case 'a':
1.1 mjc 149: modebuf[3+8+bdlen] = 0x00; /* track mode = audio */
150: modebuf[4+8+bdlen] = 0x00; /* 2352 block track mode */
151: modebuf[8+8+bdlen] = 0x00; /* turn off XA */
1.5 mjc 152: break;
153: default:
154: warn("impossible tracktype detected");
155: break;
1.1 mjc 156: }
157: while (unit_ready() != SCCMD_OK)
158: continue;
159: if ((r = mode_select_write(modebuf)) != SCCMD_OK) {
160: warnx("mode select failed: %d",r);
161: return (r);
162: }
1.5 mjc 163: writetrack(tr);
1.1 mjc 164: synchronize_cache();
165: }
166: fprintf(stderr,"\n");
167: close_session();
168: return (0);
169: }
170:
171: int
1.5 mjc 172: writetrack(struct track_info *tr)
1.1 mjc 173: {
174: u_char databuf[65536];
175: scsireq_t scr;
176: u_int end_lba, lba;
177: u_int tmp;
178: int r,rfd;
179: u_char nblk;
180:
1.5 mjc 181: nblk = 65535/tr->blklen;
1.1 mjc 182: bzero(&scr, sizeof(scr));
183: scr.timeout = 300000;
1.9 ! mjc 184: scr.cmd[0] = WRITE_BIG;
1.1 mjc 185: scr.cmd[1] = 0x00;
186: scr.cmd[8] = nblk; /* Transfer length in blocks (LSB) */
187: scr.cmdlen = 10;
188: scr.databuf = (caddr_t)databuf;
1.5 mjc 189: scr.datalen = nblk * tr->blklen;
1.1 mjc 190: scr.senselen = SENSEBUFLEN;
191: scr.flags = SCCMD_ESCAPE|SCCMD_WRITE;
192:
193: if (get_nwa(&lba) != SCCMD_OK) {
194: warnx("cannot get next writable address");
195: return (-1);
196: }
197: tmp = htobe32(lba); /* update lba in cdb */
198: memcpy(&scr.cmd[2], &tmp, sizeof(tmp));
199:
1.5 mjc 200: if (tr->sz / tr->blklen + 1 > UINT_MAX || tr->sz < tr->blklen) {
201: warnx("file %s has invalid size",tr->file);
1.1 mjc 202: return (-1);
203: }
1.5 mjc 204: if (tr->sz % tr->blklen) {
1.7 deraadt 205: warnx("file %s is not multiple of block length %d",
206: tr->file, tr->blklen);
1.5 mjc 207: end_lba = tr->sz / tr->blklen + lba + 1;
1.1 mjc 208: } else {
1.5 mjc 209: end_lba = tr->sz / tr->blklen + lba;
1.1 mjc 210: }
1.5 mjc 211: rfd = open(tr->file, O_RDONLY, 0640);
212: if (tr->type == 'a') {
1.1 mjc 213: if (lseek(rfd, WAVHDRLEN, SEEK_SET) == -1)
214: err(1, "seek failed");
215: }
216: while ((lba < end_lba) && (nblk != 0)) {
217: while (lba + nblk <= end_lba) {
1.5 mjc 218: read(rfd, databuf, nblk * tr->blklen);
1.1 mjc 219: scr.cmd[8] = nblk;
1.5 mjc 220: scr.datalen = nblk * tr->blklen;
1.1 mjc 221: r = ioctl(fd, SCIOCCOMMAND, &scr);
222: if (r != 0) {
223: warn("ioctl failed while attempting to write");
224: return (-1);
225: }
226: if (scr.retsts != SCCMD_OK) {
1.7 deraadt 227: warnx("ioctl returned bad status while "
228: "attempting to write: %d",
229: scr.retsts);
1.1 mjc 230: return (r);
231: }
232: lba += nblk;
233: fprintf(stderr,"\rLBA: 0x%06x/0x%06x",lba,end_lba);
234: tmp = htobe32(lba); /* update lba in cdb */
235: memcpy(&scr.cmd[2], &tmp, sizeof(tmp));
236: }
237: nblk--;
238: }
239: close(rfd);
240: return (0);
241: }
242:
243: int
244: mode_sense_write(unsigned char buf[])
245: {
1.8 mjc 246: struct scsi_mode_sense_big *scb;
1.1 mjc 247: scsireq_t scr;
248: int r;
249:
250: bzero(&scr, sizeof(scr));
1.8 mjc 251: scb = (struct scsi_mode_sense_big *)scr.cmd;
252: scb->opcode = MODE_SENSE_BIG;
253: /* XXX: need to set disable block descriptors and check SCSI drive */
254: scb->page = WRITE_PARAM_PAGE;
255: scb->length[1] = 0x46; /* 16 for the header + size from pg. 89 mmc-r10a.pdf */
256: scr.cmdlen = sizeof(*scb);
1.1 mjc 257: scr.timeout = 4000;
258: scr.senselen = SENSEBUFLEN;
1.7 deraadt 259: scr.datalen= 0x46;
1.1 mjc 260: scr.flags = SCCMD_ESCAPE|SCCMD_READ;
261: scr.databuf = (caddr_t)buf;
262:
263: r = ioctl(fd, SCIOCCOMMAND, &scr);
264: return (r == 0 ? scr.retsts : -1);
265: }
266:
267: int
268: mode_select_write(unsigned char buf[])
269: {
1.8 mjc 270: struct scsi_mode_select_big *scb;
1.1 mjc 271: scsireq_t scr;
272: int r;
273:
274: bzero(&scr, sizeof(scr));
1.8 mjc 275: scb = (struct scsi_mode_select_big *)scr.cmd;
276: scb->opcode = MODE_SELECT_BIG;
277: /*
278: * INF-8020 says bit 4 in byte 2 is '1'
279: * INF-8090 refers to it as 'PF(1)' then doesn't
280: * describe it.
281: */
282: scb->byte2 = 0x10;
283: scb->length[1] = 2 + buf[1] + 256 * buf[0];
1.1 mjc 284: scr.timeout = 4000;
285: scr.senselen = SENSEBUFLEN;
1.8 mjc 286: scr.cmdlen = sizeof(*scb);
1.1 mjc 287: scr.datalen = 2 + buf[1] + 256 * buf[0];
288: scr.flags = SCCMD_ESCAPE|SCCMD_WRITE;
289: scr.databuf = (caddr_t)buf;
290:
291: r = ioctl(fd, SCIOCCOMMAND, &scr);
1.6 mjc 292: return (r == 0 ? scr.retsts : -1);
293: }
294:
295: int
296: get_disc_size(off_t *availblk)
297: {
298: u_char databuf[28];
1.8 mjc 299: struct scsi_read_track_info *scb;
1.6 mjc 300: scsireq_t scr;
301: int r,tmp;
302:
303: bzero(&scr, sizeof(scr));
1.8 mjc 304: scb = (struct scsi_read_track_info *)scr.cmd;
1.6 mjc 305: scr.timeout = 4000;
306: scr.senselen = SENSEBUFLEN;
1.8 mjc 307: scb->opcode = READ_TRACK_INFO;
308: scb->addrtype = RTI_TRACK;
309: scb->addr[1] = 1;
310: scb->data_len[3] = 0x1c;
311: scr.cmdlen = sizeof(*scb);
1.7 deraadt 312: scr.datalen= 0x1c;
1.6 mjc 313: scr.flags = SCCMD_ESCAPE|SCCMD_READ;
314: scr.databuf = (caddr_t)databuf;
315:
316: r = ioctl(fd, SCIOCCOMMAND, &scr);
317: memcpy(&tmp, &databuf[16], sizeof(tmp));
318: *availblk = betoh32(tmp);
1.1 mjc 319: return (r == 0 ? scr.retsts : -1);
320: }
321:
322: int
323: get_nwa(int *nwa)
324: {
325: u_char databuf[28];
326: scsireq_t scr;
327: int r,tmp;
328:
329: bzero(&scr, sizeof(scr));
330: scr.timeout = 4000;
331: scr.senselen = SENSEBUFLEN;
332: scr.cmd[0] = 0x52; /* READ TRACK INFO */
333: scr.cmd[1] = 0x01;
334: scr.cmd[5] = 0xff; /* Invisible Track */
335: scr.cmd[7] = 0x00;
336: scr.cmd[8] = 0x1c;
337: scr.cmdlen = 10;
1.7 deraadt 338: scr.datalen= 0x1c;
1.1 mjc 339: scr.flags = SCCMD_ESCAPE|SCCMD_READ;
340: scr.databuf = (caddr_t)databuf;
341:
342: r = ioctl(fd, SCIOCCOMMAND, &scr);
343: memcpy(&tmp, &databuf[12], sizeof(tmp));
344: *nwa = betoh32(tmp);
345: return (r == 0 ? scr.retsts : -1);
346: }
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