+++ /dev/null
-/*
- * Copyright (c) 2002 Jens Axboe <axboe@suse.de>
- *
- * cdmrw -- utility to manage mt rainier cd drives + media
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-#include <stdio.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <fcntl.h>
-#include <byteswap.h>
-#include <sys/ioctl.h>
-
-#include <linux/cdrom.h>
-
-#define INIT_CGC(cgc) memset((cgc), 0, sizeof(struct cdrom_generic_command))
-
-#define FORMAT_TYPE_RESTART 1
-#define FORMAT_TYPE_FULL 2
-
-#define LBA_DMA 0
-#define LBA_GAA 1
-
-/*
- * early mrw drives may use mode page 0x2c still, 0x03 is the official one
- */
-#define MRW_MODE_PC_PRE1 0x2c
-#define MRW_MODE_PC 0x03
-
-#define UHZ 100
-
-static int format_type, format_force, poll_wait, poll_err, suspend_format;
-static int lba_space = -1, mrw_mode_page;
-
-static char mrw_device[256];
-
-static char *lba_spaces[] = { "DMA", "GAA" };
-
-void dump_cgc(struct cdrom_generic_command *cgc)
-{
- struct request_sense *sense = cgc->sense;
- int i;
-
- printf("cdb: ");
- for (i = 0; i < 12; i++)
- printf("%02x ", cgc->cmd[i]);
- printf("\n");
-
- printf("buffer (%d): ", cgc->buflen);
- for (i = 0; i < cgc->buflen; i++)
- printf("%02x ", cgc->buffer[i]);
- printf("\n");
-
- if (!sense)
- return;
-
- printf("sense: %02x.%02x.%02x\n", sense->sense_key, sense->asc, sense->ascq);
-}
-
-/*
- * issue packet command (blocks until it has completed)
- */
-int wait_cmd(int fd, struct cdrom_generic_command *cgc, void *buffer,
- int len, int ddir, int timeout, int quiet)
-{
- struct request_sense sense;
- int ret;
-
- memset(&sense, 0, sizeof(sense));
-
- cgc->timeout = timeout;
- cgc->buffer = buffer;
- cgc->buflen = len;
- cgc->data_direction = ddir;
- cgc->sense = &sense;
- cgc->quiet = 0;
-
- ret = ioctl(fd, CDROM_SEND_PACKET, cgc);
- if (ret == -1 && !quiet) {
- perror("ioctl");
- dump_cgc(cgc);
- }
-
- return ret;
-}
-
-int start_bg_format(int fd, int new)
-{
- struct cdrom_generic_command cgc;
- unsigned char buffer[12];
-
- INIT_CGC(&cgc);
- memset(buffer, 0, sizeof(buffer));
-
- cgc.cmd[0] = GPCMD_FORMAT_UNIT;
- cgc.cmd[1] = (1 << 4) | 1;
-
- buffer[1] = 1 << 1;
- buffer[3] = 8;
-
- buffer[4] = 0xff;
- buffer[5] = 0xff;
- buffer[6] = 0xff;
- buffer[7] = 0xff;
- buffer[8] = 0x24 << 2;
- buffer[11] = !new;
-
- return wait_cmd(fd, &cgc, buffer, sizeof(buffer), CGC_DATA_WRITE, 120 * UHZ, 0);
-}
-
-/*
- * instantiate a format, if appropriate
- */
-int mrw_format(int fd, int media_status)
-{
- if (media_status == CDM_MRW_BGFORMAT_ACTIVE) {
- printf("%s: back ground format already active\n", mrw_device);
- return 1;
- } else if (media_status == CDM_MRW_BGFORMAT_COMPLETE && !format_force) {
- printf("%s: disc is already mrw formatted\n", mrw_device);
- return 1;
- }
-
- if (format_type == FORMAT_TYPE_RESTART && media_status != CDM_MRW_BGFORMAT_INACTIVE) {
- printf("%s: can't restart format, need full\n", mrw_device);
- return 1;
- }
-
- return start_bg_format(fd, format_type == FORMAT_TYPE_FULL);
-}
-
-int mrw_format_suspend(int fd, int media_status)
-{
- struct cdrom_generic_command cgc;
-
- if (media_status != CDM_MRW_BGFORMAT_ACTIVE) {
- printf("%s: can't suspend, format not running\n", mrw_device);
- return 1;
- }
-
- printf("%s: suspending back ground format: ", mrw_device);
-
- INIT_CGC(&cgc);
-
- cgc.cmd[0] = GPCMD_CLOSE_TRACK;
- cgc.cmd[1] = 0; /* IMMED */
- cgc.cmd[2] = 1 << 1;
-
- if (wait_cmd(fd, &cgc, NULL, 0, CGC_DATA_NONE, 300 * UHZ, 0)) {
- printf("failed\n");
- return 1;
- }
-
- printf("done\n");
- return 0;
-}
-
-int get_media_event(int fd)
-{
- struct cdrom_generic_command cgc;
- unsigned char buffer[8];
- int ret;
-
- INIT_CGC(&cgc);
- memset(buffer, 0, sizeof(buffer));
-
- cgc.cmd[0] = GPCMD_GET_EVENT_STATUS_NOTIFICATION;
- cgc.cmd[1] = 1;
- cgc.cmd[4] = 16;
- cgc.cmd[8] = sizeof(buffer);
-
- ret = wait_cmd(fd, &cgc, buffer, sizeof(buffer), CGC_DATA_READ, 10*UHZ, 0);
- if (ret < 0) {
- perror("GET_EVENT");
- return ret;
- }
-
- return buffer[4] & 0xf;
-}
-
-int get_progress(int fd)
-{
- struct cdrom_generic_command cgc;
- struct request_sense sense;
- int progress;
-
- INIT_CGC(&cgc);
- memset(&sense, 0, sizeof(sense));
-
- cgc.cmd[0] = GPCMD_TEST_UNIT_READY;
- cgc.sense = &sense;
-
- (void) wait_cmd(fd, &cgc, NULL, 0, CGC_DATA_NONE, 10 * UHZ, 0);
-
- printf("progress: ");
- if (sense.sks[0] & 0x80) {
- progress = (sense.sks[1] << 8) + sense.sks[2];
- fprintf(stderr, "%d%%\r", progress);
- } else
- printf("no progress indicator\n");
-
- return 0;
-}
-
-int get_format_progress(int fd)
-{
- struct cdrom_generic_command cgc;
- struct request_sense sense;
-
-#if 0
- if (poll_err)
- return 0;
-#endif
-
- INIT_CGC(&cgc);
- memset(&sense, 0, sizeof(sense));
-
- cgc.cmd[0] = GPCMD_TEST_UNIT_READY;
- cgc.sense = &sense;
-
- if (wait_cmd(fd, &cgc, NULL, 0, CGC_DATA_NONE, 10 * UHZ, 0)) {
- printf("%s: TUR failed\n", mrw_device);
- return 0;
- }
-
- /*
- * all mrw drives should support progress indicator, but you never
- * know...
- */
- if (!(sense.sks[0] & 0x80)) {
- printf("drive fails to support progress indicator\n");
- poll_err = 1;
- //return 0;
- }
-
- return (sense.sks[1] << 8) + sense.sks[2];
-}
-
-/*
- * return mrw media status bits from disc info or -1 on failure
- */
-int get_mrw_media_status(int fd)
-{
- struct cdrom_generic_command cgc;
- disc_information di;
-
- INIT_CGC(&cgc);
-
- cgc.cmd[0] = GPCMD_READ_DISC_INFO;
- cgc.cmd[8] = sizeof(di);
-
- if (wait_cmd(fd, &cgc, &di, sizeof(di), CGC_DATA_READ, UHZ, 0)) {
- printf("read disc info failed\n");
- return -1;
- }
-
- return di.mrw_status;
-}
-
-int poll_events(int fd)
-{
- int event, quit, first, progress, media_status;
-
- quit = 0;
- first = 1;
- do {
- event = get_media_event(fd);
- if (event < 0)
- break;
-
- switch (event) {
- case 0:
- if (first)
- printf("no media change\n");
- break;
- case 1:
- printf("eject request\n");
- if ((media_status = get_mrw_media_status(fd)) == -1)
- break;
- if (media_status == CDM_MRW_BGFORMAT_ACTIVE)
- mrw_format_suspend(fd, media_status);
- quit = 1;
- break;
- case 2:
- printf("new media\n");
- break;
- case 3:
- printf("media removal\n");
- quit = 1;
- break;
- case 4:
- printf("media change\n");
- break;
- case 5:
- printf("bgformat complete!\n");
- quit = 1;
- break;
- case 6:
- printf("bgformat automatically restarted\n");
- break;
- default:
- printf("unknown media event (%d)\n", event);
- break;
- }
-
- if (!quit) {
- first = 0;
- progress = get_progress(fd);
- if (event)
- continue;
-
- sleep(2);
- }
-
- } while (!quit);
-
- return event;
-}
-
-/*
- * issue GET_CONFIGURATION and check for the mt rainier profile
- */
-int check_for_mrw(int fd)
-{
- struct mrw_feature_desc *mfd;
- struct cdrom_generic_command cgc;
- char buffer[16];
-
- INIT_CGC(&cgc);
-
- cgc.cmd[0] = GPCMD_GET_CONFIGURATION;
- cgc.cmd[3] = CDF_MRW;
- cgc.cmd[8] = sizeof(buffer);
-
- if (wait_cmd(fd, &cgc, buffer, sizeof(buffer), CGC_DATA_READ, UHZ, 1))
- return 1;
-
- mfd = (struct mrw_feature_desc *)&buffer[sizeof(struct feature_header)];
-
- return !mfd->write;
-}
-
-int __get_lba_space(int fd, int pc, char *buffer, int size)
-{
- struct cdrom_generic_command cgc;
-
- INIT_CGC(&cgc);
-
- cgc.cmd[0] = GPCMD_MODE_SENSE_10;
- cgc.cmd[2] = pc | (0 << 6);
- cgc.cmd[8] = size;
-
- if (wait_cmd(fd, &cgc, buffer, size, CGC_DATA_READ, UHZ, 1))
- return 1;
-
- return 0;
-}
-
-/*
- * return LBA_DMA or LBA_GAA, -1 on failure
- */
-int get_lba_space(int fd)
-{
- struct mode_page_header *mph;
- char buffer[32];
- int offset;
-
- if (__get_lba_space(fd, mrw_mode_page, buffer, sizeof(buffer)))
- return -1;
-
- mph = (struct mode_page_header *) buffer;
- offset = sizeof(*mph) + bswap_16(mph->desc_length);
-
- /*
- * LBA space bit is bit 0 in byte 3 of the mrw mode page
- */
- return buffer[offset + 3] & 1;
-}
-
-int probe_mrw_mode_page(int fd)
-{
- char buffer[32];
-
- mrw_mode_page = -1;
-
- if (!__get_lba_space(fd, MRW_MODE_PC, buffer, sizeof(buffer)))
- mrw_mode_page = MRW_MODE_PC;
- else if (!__get_lba_space(fd, MRW_MODE_PC_PRE1, buffer, sizeof(buffer)))
- mrw_mode_page = MRW_MODE_PC_PRE1;
-
- if (mrw_mode_page == MRW_MODE_PC_PRE1)
- printf("%s: still using deprecated mrw mode page\n",mrw_device);
-
- return mrw_mode_page;
-}
-
-int switch_lba_space(int fd, int lba_space)
-{
- struct cdrom_generic_command cgc;
- struct mode_page_header *mph;
- int cur_space, offset, size;
- char buffer[32];
-
- if (__get_lba_space(fd, mrw_mode_page, buffer, sizeof(buffer)))
- return 1;
-
- mph = (struct mode_page_header *) buffer;
- offset = sizeof(*mph) + bswap_16(mph->desc_length);
- cur_space = buffer[offset + 3] & 1;
-
- if (cur_space == lba_space)
- return 0;
-
- /*
- * mode data length doesn't include its own space
- */
- size = bswap_16(mph->mode_data_length) + 2;
-
- /*
- * init command and set the required lba space
- */
- INIT_CGC(&cgc);
-
- cgc.cmd[0] = GPCMD_MODE_SELECT_10;
- cgc.cmd[8] = size;
-
- buffer[offset + 3] = lba_space;
-
- if (wait_cmd(fd, &cgc, buffer, size, CGC_DATA_WRITE, UHZ, 0))
- return 1;
-
- return 0;
-}
-
-void print_mrw_status(int media_status)
-{
- switch (media_status) {
- case CDM_MRW_NOTMRW:
- printf("not a mrw formatted disc\n");
- break;
- case CDM_MRW_BGFORMAT_INACTIVE:
- printf("mrw format inactive and not complete\n");
- break;
- case CDM_MRW_BGFORMAT_ACTIVE:
- printf("mrw format running\n");
- break;
- case CDM_MRW_BGFORMAT_COMPLETE:
- printf("disc is mrw formatted\n");
- break;
- }
-}
-
-void print_options(const char *prg)
-{
- printf("%s: options:\n", prg);
- printf("\t-d:\t<device>\n");
- printf("\t-f:\t<{restart, full} format type\n");
- printf("\t-F:\tforce format\n");
- printf("\t-s:\tsuspend format\n");
- printf("\t-p:\tpoll for format completion\n");
-}
-
-void get_options(int argc, char *argv[])
-{
- char c;
-
- strcpy(mrw_device, "/dev/cdrom");
-
- while ((c = getopt(argc, argv, "d:f:Fpsl:")) != EOF) {
- switch (c) {
- case 'd':
- strcpy(mrw_device, optarg);
- break;
- case 'f':
- if (!strcmp(optarg, "full"))
- format_type = FORMAT_TYPE_FULL;
- else if (!strcmp(optarg, "restart"))
- format_type = FORMAT_TYPE_RESTART;
- else
- printf("%s: invalid format type %s\n", argv[0], optarg);
- break;
- case 'F':
- format_force = 1;
- break;
- case 'p':
- poll_wait = 1;
- break;
- case 's':
- suspend_format = 1;
- break;
- case 'l':
- if (!strcmp(optarg, "gaa"))
- lba_space = LBA_GAA;
- else if (!strcmp(optarg, "dma"))
- lba_space = LBA_DMA;
- else
- printf("%s: invalid address space %s\n", argv[0], optarg);
- break;
- default:
- if (optarg)
- printf("%s: unknown option '%s'\n", argv[0], optarg);
- print_options(argv[0]);
- exit(1);
- }
- }
-}
-
-int main(int argc, char *argv[])
-{
- int fd, media_status, progress;
-
- if (argc == 1) {
- print_options(argv[0]);
- return 1;
- }
-
- get_options(argc, argv);
-
- fd = open(mrw_device, O_RDONLY | O_NONBLOCK);
- if (fd == -1) {
- perror("open");
- return 1;
- }
-
- if (check_for_mrw(fd)) {
- printf("%s: %s is not a mrw drive or mrw reader\n", argv[0], mrw_device);
- return 1;
- }
-
- if ((media_status = get_mrw_media_status(fd)) == -1) {
- printf("%s: failed to retrieve media status\n", argv[0]);
- return 1;
- }
-
- print_mrw_status(media_status);
-
- if (probe_mrw_mode_page(fd) == -1) {
- printf("%s: failed to probe mrw mode page\n", mrw_device);
- return 1;
- }
-
- if (lba_space != -1) {
- if (switch_lba_space(fd, lba_space)) {
- printf("%s: failed switching lba space\n", mrw_device);
- return 1;
- }
- }
-
- printf("LBA space: %s\n", lba_spaces[get_lba_space(fd)]);
-
- if (media_status == CDM_MRW_BGFORMAT_ACTIVE) {
- progress = get_format_progress(fd);
- printf("%s: back ground format %d%% complete\n", mrw_device, progress);
- }
-
- if (format_type) {
- if (mrw_format(fd, media_status))
- return 1;
- } else if (suspend_format)
- mrw_format_suspend(fd, media_status);
-
- if (poll_wait)
- poll_events(fd);
-
- return 0;
-}
projects / packages / cdmrw.git / commitdiff