Annotation of src/usr.bin/cdio/mmc.c, Revision 1.12
1.12 ! mjc 1: /* $OpenBSD: mmc.c,v 1.11 2006/06/15 23:49:58 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;
1.11 mjc 178: int r;
1.1 mjc 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: if (tr->type == 'a') {
1.11 mjc 212: if (lseek(tr->fd, WAVHDRLEN, SEEK_SET) == -1)
213: err(1, "seek failed for file %s", tr->file);
1.1 mjc 214: }
215: while ((lba < end_lba) && (nblk != 0)) {
216: while (lba + nblk <= end_lba) {
1.11 mjc 217: read(tr->fd, databuf, nblk * tr->blklen);
1.1 mjc 218: scr.cmd[8] = nblk;
1.5 mjc 219: scr.datalen = nblk * tr->blklen;
1.12 ! mjc 220: again:
1.1 mjc 221: r = ioctl(fd, SCIOCCOMMAND, &scr);
222: if (r != 0) {
223: warn("ioctl failed while attempting to write");
224: return (-1);
1.12 ! mjc 225: }
! 226: if (scr.retsts == SCCMD_SENSE && scr.sense[2] == 0x2) {
! 227: usleep(1000);
! 228: goto again;
1.1 mjc 229: }
230: if (scr.retsts != SCCMD_OK) {
1.7 deraadt 231: warnx("ioctl returned bad status while "
232: "attempting to write: %d",
233: scr.retsts);
1.1 mjc 234: return (r);
235: }
236: lba += nblk;
237: fprintf(stderr,"\rLBA: 0x%06x/0x%06x",lba,end_lba);
238: tmp = htobe32(lba); /* update lba in cdb */
239: memcpy(&scr.cmd[2], &tmp, sizeof(tmp));
240: }
241: nblk--;
242: }
1.11 mjc 243: close(tr->fd);
1.1 mjc 244: return (0);
245: }
246:
247: int
248: mode_sense_write(unsigned char buf[])
249: {
1.8 mjc 250: struct scsi_mode_sense_big *scb;
1.1 mjc 251: scsireq_t scr;
252: int r;
253:
254: bzero(&scr, sizeof(scr));
1.8 mjc 255: scb = (struct scsi_mode_sense_big *)scr.cmd;
256: scb->opcode = MODE_SENSE_BIG;
257: /* XXX: need to set disable block descriptors and check SCSI drive */
258: scb->page = WRITE_PARAM_PAGE;
259: scb->length[1] = 0x46; /* 16 for the header + size from pg. 89 mmc-r10a.pdf */
260: scr.cmdlen = sizeof(*scb);
1.1 mjc 261: scr.timeout = 4000;
262: scr.senselen = SENSEBUFLEN;
1.7 deraadt 263: scr.datalen= 0x46;
1.1 mjc 264: scr.flags = SCCMD_ESCAPE|SCCMD_READ;
265: scr.databuf = (caddr_t)buf;
266:
267: r = ioctl(fd, SCIOCCOMMAND, &scr);
268: return (r == 0 ? scr.retsts : -1);
269: }
270:
271: int
272: mode_select_write(unsigned char buf[])
273: {
1.8 mjc 274: struct scsi_mode_select_big *scb;
1.1 mjc 275: scsireq_t scr;
276: int r;
277:
278: bzero(&scr, sizeof(scr));
1.8 mjc 279: scb = (struct scsi_mode_select_big *)scr.cmd;
280: scb->opcode = MODE_SELECT_BIG;
1.10 deraadt 281:
282: /*
283: * INF-8020 says bit 4 in byte 2 is '1'
284: * INF-8090 refers to it as 'PF(1)' then doesn't
285: * describe it.
286: */
1.8 mjc 287: scb->byte2 = 0x10;
288: scb->length[1] = 2 + buf[1] + 256 * buf[0];
1.1 mjc 289: scr.timeout = 4000;
290: scr.senselen = SENSEBUFLEN;
1.8 mjc 291: scr.cmdlen = sizeof(*scb);
1.1 mjc 292: scr.datalen = 2 + buf[1] + 256 * buf[0];
293: scr.flags = SCCMD_ESCAPE|SCCMD_WRITE;
294: scr.databuf = (caddr_t)buf;
295:
296: r = ioctl(fd, SCIOCCOMMAND, &scr);
1.6 mjc 297: return (r == 0 ? scr.retsts : -1);
298: }
299:
300: int
301: get_disc_size(off_t *availblk)
302: {
303: u_char databuf[28];
1.8 mjc 304: struct scsi_read_track_info *scb;
1.6 mjc 305: scsireq_t scr;
306: int r,tmp;
307:
308: bzero(&scr, sizeof(scr));
1.8 mjc 309: scb = (struct scsi_read_track_info *)scr.cmd;
1.6 mjc 310: scr.timeout = 4000;
311: scr.senselen = SENSEBUFLEN;
1.8 mjc 312: scb->opcode = READ_TRACK_INFO;
313: scb->addrtype = RTI_TRACK;
314: scb->addr[1] = 1;
315: scb->data_len[3] = 0x1c;
316: scr.cmdlen = sizeof(*scb);
1.7 deraadt 317: scr.datalen= 0x1c;
1.6 mjc 318: scr.flags = SCCMD_ESCAPE|SCCMD_READ;
319: scr.databuf = (caddr_t)databuf;
320:
321: r = ioctl(fd, SCIOCCOMMAND, &scr);
322: memcpy(&tmp, &databuf[16], sizeof(tmp));
323: *availblk = betoh32(tmp);
1.1 mjc 324: return (r == 0 ? scr.retsts : -1);
325: }
326:
327: int
328: get_nwa(int *nwa)
329: {
330: u_char databuf[28];
331: scsireq_t scr;
332: int r,tmp;
333:
334: bzero(&scr, sizeof(scr));
335: scr.timeout = 4000;
336: scr.senselen = SENSEBUFLEN;
337: scr.cmd[0] = 0x52; /* READ TRACK INFO */
338: scr.cmd[1] = 0x01;
339: scr.cmd[5] = 0xff; /* Invisible Track */
340: scr.cmd[7] = 0x00;
341: scr.cmd[8] = 0x1c;
342: scr.cmdlen = 10;
1.7 deraadt 343: scr.datalen= 0x1c;
1.1 mjc 344: scr.flags = SCCMD_ESCAPE|SCCMD_READ;
345: scr.databuf = (caddr_t)databuf;
346:
347: r = ioctl(fd, SCIOCCOMMAND, &scr);
348: memcpy(&tmp, &databuf[12], sizeof(tmp));
349: *nwa = betoh32(tmp);
350: return (r == 0 ? scr.retsts : -1);
351: }