diff options
Diffstat (limited to 'drivers/scsi/sr_ioctl.c')
| -rw-r--r-- | drivers/scsi/sr_ioctl.c | 398 |
1 files changed, 13 insertions, 385 deletions
diff --git a/drivers/scsi/sr_ioctl.c b/drivers/scsi/sr_ioctl.c index 59d4b53cf..482a5d14c 100644 --- a/drivers/scsi/sr_ioctl.c +++ b/drivers/scsi/sr_ioctl.c @@ -19,9 +19,6 @@ # define DEBUG #endif -/* for now we borrow the "operation not supported" from the network folks */ -#define EDRIVE_CANT_DO_THIS EOPNOTSUPP - /* The sr_is_xa() seems to trigger firmware bugs with some drives :-( * It is off by default and can be turned on with this module parameter */ static int xa_test = 0; @@ -160,7 +157,7 @@ static int test_unit_ready(int minor) { u_char sr_cmd[10]; - sr_cmd[0] = TEST_UNIT_READY; + sr_cmd[0] = GPCMD_TEST_UNIT_READY; sr_cmd[1] = ((scsi_CDs[minor].device -> lun) << 5); sr_cmd[2] = sr_cmd[3] = sr_cmd[4] = sr_cmd[5] = 0; return sr_do_ioctl(minor, sr_cmd, NULL, 255, 1); @@ -170,7 +167,7 @@ int sr_tray_move(struct cdrom_device_info *cdi, int pos) { u_char sr_cmd[10]; - sr_cmd[0] = START_STOP; + sr_cmd[0] = GPCMD_START_STOP_UNIT; sr_cmd[1] = ((scsi_CDs[MINOR(cdi->dev)].device -> lun) << 5); sr_cmd[2] = sr_cmd[3] = sr_cmd[5] = 0; sr_cmd[4] = (pos == 0) ? 0x03 /* close */ : 0x02 /* eject */; @@ -240,11 +237,10 @@ int sr_get_last_session(struct cdrom_device_info *cdi, int sr_get_mcn(struct cdrom_device_info *cdi,struct cdrom_mcn *mcn) { u_char sr_cmd[10]; - char * buffer; + char buffer[32]; int result; - unsigned long flags; - sr_cmd[0] = SCMD_READ_SUBCHANNEL; + sr_cmd[0] = GPCMD_READ_SUBCHANNEL; sr_cmd[1] = ((scsi_CDs[MINOR(cdi->dev)].device->lun) << 5); sr_cmd[2] = 0x40; /* I do want the subchannel info */ sr_cmd[3] = 0x02; /* Give me medium catalog number info */ @@ -254,20 +250,11 @@ int sr_get_mcn(struct cdrom_device_info *cdi,struct cdrom_mcn *mcn) sr_cmd[8] = 24; sr_cmd[9] = 0; - spin_lock_irqsave(&io_request_lock, flags); - buffer = (unsigned char*) scsi_malloc(512); - spin_unlock_irqrestore(&io_request_lock, flags); - if(!buffer) return -ENOMEM; - result = sr_do_ioctl(MINOR(cdi->dev), sr_cmd, buffer, 24, 0); memcpy (mcn->medium_catalog_number, buffer + 9, 13); mcn->medium_catalog_number[13] = 0; - spin_lock_irqsave(&io_request_lock, flags); - scsi_free(buffer, 512); - spin_unlock_irqrestore(&io_request_lock, flags); - return result; } @@ -287,7 +274,7 @@ int sr_select_speed(struct cdrom_device_info *cdi, int speed) speed *= 177; /* Nx to kbyte/s */ memset(sr_cmd,0,12); - sr_cmd[0] = 0xbb; /* SET CD SPEED */ + sr_cmd[0] = GPCMD_SET_SPEED; /* SET CD SPEED */ sr_cmd[1] = (scsi_CDs[MINOR(cdi->dev)].device->lun) << 5; sr_cmd[2] = (speed >> 8) & 0xff; /* MSB for speed (in kbytes/sec) */ sr_cmd[3] = speed & 0xff; /* LSB */ @@ -300,105 +287,22 @@ int sr_select_speed(struct cdrom_device_info *cdi, int speed) /* ----------------------------------------------------------------------- */ /* this is called by the generic cdrom driver. arg is a _kernel_ pointer, */ /* becauce the generic cdrom driver does the user access stuff for us. */ +/* only cdromreadtochdr and cdromreadtocentry are left - for use with the */ +/* sr_disk_status interface for the generic cdrom driver. */ int sr_audio_ioctl(struct cdrom_device_info *cdi, unsigned int cmd, void* arg) { u_char sr_cmd[10]; - int result, target; - - target = MINOR(cdi->dev); + int result, target = MINOR(cdi->dev); + unsigned char buffer[32]; switch (cmd) { - /* Sun-compatible */ - case CDROMPAUSE: - - sr_cmd[0] = SCMD_PAUSE_RESUME; - sr_cmd[1] = scsi_CDs[target].device->lun << 5; - sr_cmd[2] = sr_cmd[3] = sr_cmd[4] = 0; - sr_cmd[5] = sr_cmd[6] = sr_cmd[7] = 0; - sr_cmd[8] = 0; - sr_cmd[9] = 0; - - result = sr_do_ioctl(target, sr_cmd, NULL, 255, 0); - break; - - case CDROMRESUME: - - sr_cmd[0] = SCMD_PAUSE_RESUME; - sr_cmd[1] = scsi_CDs[target].device->lun << 5; - sr_cmd[2] = sr_cmd[3] = sr_cmd[4] = 0; - sr_cmd[5] = sr_cmd[6] = sr_cmd[7] = 0; - sr_cmd[8] = 1; - sr_cmd[9] = 0; - - result = sr_do_ioctl(target, sr_cmd, NULL, 255, 0); - break; - - case CDROMPLAYMSF: - { - struct cdrom_msf* msf = (struct cdrom_msf*)arg; - - sr_cmd[0] = SCMD_PLAYAUDIO_MSF; - sr_cmd[1] = scsi_CDs[target].device->lun << 5; - sr_cmd[2] = 0; - sr_cmd[3] = msf->cdmsf_min0; - sr_cmd[4] = msf->cdmsf_sec0; - sr_cmd[5] = msf->cdmsf_frame0; - sr_cmd[6] = msf->cdmsf_min1; - sr_cmd[7] = msf->cdmsf_sec1; - sr_cmd[8] = msf->cdmsf_frame1; - sr_cmd[9] = 0; - - result = sr_do_ioctl(target, sr_cmd, NULL, 255, 0); - break; - } - - case CDROMPLAYBLK: - { - struct cdrom_blk* blk = (struct cdrom_blk*)arg; - - sr_cmd[0] = SCMD_PLAYAUDIO10; - sr_cmd[1] = scsi_CDs[target].device->lun << 5; - sr_cmd[2] = blk->from >> 24; - sr_cmd[3] = blk->from >> 16; - sr_cmd[4] = blk->from >> 8; - sr_cmd[5] = blk->from; - sr_cmd[6] = 0; - sr_cmd[7] = blk->len >> 8; - sr_cmd[8] = blk->len; - sr_cmd[9] = 0; - - result = sr_do_ioctl(target, sr_cmd, NULL, 255, 0); - break; - } - - case CDROMPLAYTRKIND: - { - struct cdrom_ti* ti = (struct cdrom_ti*)arg; - - sr_cmd[0] = SCMD_PLAYAUDIO_TI; - sr_cmd[1] = scsi_CDs[target].device->lun << 5; - sr_cmd[2] = 0; - sr_cmd[3] = 0; - sr_cmd[4] = ti->cdti_trk0; - sr_cmd[5] = ti->cdti_ind0; - sr_cmd[6] = 0; - sr_cmd[7] = ti->cdti_trk1; - sr_cmd[8] = ti->cdti_ind1; - sr_cmd[9] = 0; - - result = sr_do_ioctl(target, sr_cmd, NULL, 255, 0); - break; - } - case CDROMREADTOCHDR: { struct cdrom_tochdr* tochdr = (struct cdrom_tochdr*)arg; - char * buffer; - unsigned long flags; - sr_cmd[0] = SCMD_READ_TOC; + sr_cmd[0] = GPCMD_READ_TOC_PMA_ATIP; sr_cmd[1] = ((scsi_CDs[target].device->lun) << 5); sr_cmd[2] = sr_cmd[3] = sr_cmd[4] = sr_cmd[5] = 0; sr_cmd[6] = 0; @@ -406,29 +310,19 @@ int sr_audio_ioctl(struct cdrom_device_info *cdi, unsigned int cmd, void* arg) sr_cmd[8] = 12; /* LSB of length */ sr_cmd[9] = 0; - spin_lock_irqsave(&io_request_lock, flags); - buffer = (unsigned char *) scsi_malloc(512); - spin_unlock_irqrestore(&io_request_lock, flags); - if(!buffer) return -ENOMEM; - result = sr_do_ioctl(target, sr_cmd, buffer, 12, 1); tochdr->cdth_trk0 = buffer[2]; tochdr->cdth_trk1 = buffer[3]; - spin_lock_irqsave(&io_request_lock, flags); - scsi_free(buffer, 512); - spin_unlock_irqrestore(&io_request_lock, flags); break; } case CDROMREADTOCENTRY: { struct cdrom_tocentry* tocentry = (struct cdrom_tocentry*)arg; - unsigned char * buffer; - unsigned long flags; - sr_cmd[0] = SCMD_READ_TOC; + sr_cmd[0] = GPCMD_READ_TOC_PMA_ATIP; sr_cmd[1] = ((scsi_CDs[target].device->lun) << 5) | (tocentry->cdte_format == CDROM_MSF ? 0x02 : 0); sr_cmd[2] = sr_cmd[3] = sr_cmd[4] = sr_cmd[5] = 0; @@ -437,11 +331,6 @@ int sr_audio_ioctl(struct cdrom_device_info *cdi, unsigned int cmd, void* arg) sr_cmd[8] = 12; /* LSB of length */ sr_cmd[9] = 0; - spin_lock_irqsave(&io_request_lock, flags); - buffer = (unsigned char *) scsi_malloc(512); - spin_unlock_irqrestore(&io_request_lock, flags); - if(!buffer) return -ENOMEM; - result = sr_do_ioctl (target, sr_cmd, buffer, 12, 0); tocentry->cdte_ctrl = buffer[5] & 0xf; @@ -455,187 +344,9 @@ int sr_audio_ioctl(struct cdrom_device_info *cdi, unsigned int cmd, void* arg) tocentry->cdte_addr.lba = (((((buffer[8] << 8) + buffer[9]) << 8) + buffer[10]) << 8) + buffer[11]; - spin_lock_irqsave(&io_request_lock, flags); - scsi_free(buffer, 512); - spin_unlock_irqrestore(&io_request_lock, flags); - break; - } - - case CDROMSTOP: - sr_cmd[0] = START_STOP; - sr_cmd[1] = ((scsi_CDs[target].device->lun) << 5) | 1; - sr_cmd[2] = sr_cmd[3] = sr_cmd[5] = 0; - sr_cmd[4] = 0; - - result = sr_do_ioctl(target, sr_cmd, NULL, 255, 0); - break; - - case CDROMSTART: - sr_cmd[0] = START_STOP; - sr_cmd[1] = ((scsi_CDs[target].device->lun) << 5) | 1; - sr_cmd[2] = sr_cmd[3] = sr_cmd[5] = 0; - sr_cmd[4] = 1; - - result = sr_do_ioctl(target, sr_cmd, NULL, 255, 0); - break; - - case CDROMVOLCTRL: - { - char * buffer, * mask; - struct cdrom_volctrl* volctrl = (struct cdrom_volctrl*)arg; - unsigned long flags; - - /* First we get the current params so we can just twiddle the volume */ - - sr_cmd[0] = MODE_SENSE; - sr_cmd[1] = (scsi_CDs[target].device -> lun) << 5; - sr_cmd[2] = 0xe; /* Want mode page 0xe, CDROM audio params */ - sr_cmd[3] = 0; - sr_cmd[4] = 28; - sr_cmd[5] = 0; - - spin_lock_irqsave(&io_request_lock, flags); - buffer = (unsigned char *) scsi_malloc(512); - spin_unlock_irqrestore(&io_request_lock, flags); - if(!buffer) return -ENOMEM; - - if ((result = sr_do_ioctl (target, sr_cmd, buffer, 28, 0))) { - printk ("Hosed while obtaining audio mode page\n"); - spin_lock_irqsave(&io_request_lock, flags); - scsi_free(buffer, 512); - spin_unlock_irqrestore(&io_request_lock, flags); - break; - } - - sr_cmd[0] = MODE_SENSE; - sr_cmd[1] = (scsi_CDs[target].device -> lun) << 5; - sr_cmd[2] = 0x4e; /* Want the mask for mode page 0xe */ - sr_cmd[3] = 0; - sr_cmd[4] = 28; - sr_cmd[5] = 0; - - spin_lock_irqsave(&io_request_lock, flags); - mask = (unsigned char *) scsi_malloc(512); - spin_unlock_irqrestore(&io_request_lock, flags); - if(!mask) { - spin_lock_irqsave(&io_request_lock, flags); - scsi_free(buffer, 512); - spin_unlock_irqrestore(&io_request_lock, flags); - result = -ENOMEM; - break; - }; - - if ((result = sr_do_ioctl (target, sr_cmd, mask, 28, 0))) { - printk ("Hosed while obtaining mask for audio mode page\n"); - spin_lock_irqsave(&io_request_lock, flags); - scsi_free(buffer, 512); - scsi_free(mask, 512); - spin_unlock_irqrestore(&io_request_lock, flags); - break; - } - - /* Now mask and substitute our own volume and reuse the rest */ - buffer[0] = 0; /* Clear reserved field */ - - buffer[21] = volctrl->channel0 & mask[21]; - buffer[23] = volctrl->channel1 & mask[23]; - buffer[25] = volctrl->channel2 & mask[25]; - buffer[27] = volctrl->channel3 & mask[27]; - - sr_cmd[0] = MODE_SELECT; - sr_cmd[1] = ((scsi_CDs[target].device -> lun) << 5) | 0x10; /* Params are SCSI-2 */ - sr_cmd[2] = sr_cmd[3] = 0; - sr_cmd[4] = 28; - sr_cmd[5] = 0; - - result = sr_do_ioctl (target, sr_cmd, buffer, 28, 0); - spin_lock_irqsave(&io_request_lock, flags); - scsi_free(buffer, 512); - scsi_free(mask, 512); - spin_unlock_irqrestore(&io_request_lock, flags); break; } - - case CDROMVOLREAD: - { - char * buffer; - struct cdrom_volctrl* volctrl = (struct cdrom_volctrl*)arg; - unsigned long flags; - - /* Get the current params */ - - sr_cmd[0] = MODE_SENSE; - sr_cmd[1] = (scsi_CDs[target].device -> lun) << 5; - sr_cmd[2] = 0xe; /* Want mode page 0xe, CDROM audio params */ - sr_cmd[3] = 0; - sr_cmd[4] = 28; - sr_cmd[5] = 0; - - spin_lock_irqsave(&io_request_lock, flags); - buffer = (unsigned char *) scsi_malloc(512); - spin_unlock_irqrestore(&io_request_lock, flags); - if(!buffer) return -ENOMEM; - - if ((result = sr_do_ioctl (target, sr_cmd, buffer, 28, 0))) { - printk ("(CDROMVOLREAD) Hosed while obtaining audio mode page\n"); - spin_lock_irqsave(&io_request_lock, flags); - scsi_free(buffer, 512); - spin_unlock_irqrestore(&io_request_lock, flags); - break; - } - volctrl->channel0 = buffer[21]; - volctrl->channel1 = buffer[23]; - volctrl->channel2 = buffer[25]; - volctrl->channel3 = buffer[27]; - - spin_lock_irqsave(&io_request_lock, flags); - scsi_free(buffer, 512); - spin_unlock_irqrestore(&io_request_lock, flags); - break; - } - - case CDROMSUBCHNL: - { - struct cdrom_subchnl* subchnl = (struct cdrom_subchnl*)arg; - char * buffer; - unsigned long flags; - - sr_cmd[0] = SCMD_READ_SUBCHANNEL; - sr_cmd[1] = ((scsi_CDs[target].device->lun) << 5) | 0x02; /* MSF format */ - sr_cmd[2] = 0x40; /* I do want the subchannel info */ - sr_cmd[3] = 0x01; /* Give me current position info */ - sr_cmd[4] = sr_cmd[5] = 0; - sr_cmd[6] = 0; - sr_cmd[7] = 0; - sr_cmd[8] = 16; - sr_cmd[9] = 0; - - spin_lock_irqsave(&io_request_lock, flags); - buffer = (unsigned char *) scsi_malloc(512); - spin_unlock_irqrestore(&io_request_lock, flags); - if(!buffer) return -ENOMEM; - - result = sr_do_ioctl(target, sr_cmd, buffer, 16, 0); - - subchnl->cdsc_audiostatus = buffer[1]; - subchnl->cdsc_format = CDROM_MSF; - subchnl->cdsc_ctrl = buffer[5] & 0xf; - subchnl->cdsc_trk = buffer[6]; - subchnl->cdsc_ind = buffer[7]; - - subchnl->cdsc_reladdr.msf.minute = buffer[13]; - subchnl->cdsc_reladdr.msf.second = buffer[14]; - subchnl->cdsc_reladdr.msf.frame = buffer[15]; - subchnl->cdsc_absaddr.msf.minute = buffer[9]; - subchnl->cdsc_absaddr.msf.second = buffer[10]; - subchnl->cdsc_absaddr.msf.frame = buffer[11]; - - spin_lock_irqsave(&io_request_lock, flags); - scsi_free(buffer, 512); - spin_unlock_irqrestore(&io_request_lock, flags); - break; - } default: return -EINVAL; } @@ -673,7 +384,7 @@ sr_read_cd(int minor, unsigned char *dest, int lba, int format, int blksize) #endif memset(cmd,0,12); - cmd[0] = 0xbe /* READ_CD */; + cmd[0] = GPCMD_READ_CD; /* READ_CD */ cmd[1] = (scsi_CDs[minor].device->lun << 5) | ((format & 7) << 2); cmd[2] = (unsigned char)(lba >> 24) & 0xff; cmd[3] = (unsigned char)(lba >> 16) & 0xff; @@ -719,7 +430,7 @@ sr_read_sector(int minor, int lba, int blksize, unsigned char *dest) #endif memset(cmd,0,12); - cmd[0] = READ_10; + cmd[0] = GPCMD_READ_10; cmd[1] = (scsi_CDs[minor].device->lun << 5); cmd[2] = (unsigned char)(lba >> 24) & 0xff; cmd[3] = (unsigned char)(lba >> 16) & 0xff; @@ -774,89 +485,6 @@ int sr_dev_ioctl(struct cdrom_device_info *cdi, target = MINOR(cdi->dev); switch (cmd) { - case CDROMREADMODE1: - case CDROMREADMODE2: - case CDROMREADRAW: - { - unsigned char *raw; - struct cdrom_msf msf; - int lba, rc; - int blocksize = 2048; - unsigned long flags; - - switch (cmd) { - case CDROMREADMODE2: blocksize = CD_FRAMESIZE_RAW0; break; /* 2336 */ - case CDROMREADRAW: blocksize = CD_FRAMESIZE_RAW; break; /* 2352 */ - } - - if (copy_from_user(&msf,(void*)arg,sizeof(msf))) - return -EFAULT; - spin_lock_irqsave(&io_request_lock, flags); - raw = scsi_malloc(2048+512); - spin_unlock_irqrestore(&io_request_lock, flags); - if (!(raw)) - return -ENOMEM; - - lba = (((msf.cdmsf_min0 * CD_SECS) + msf.cdmsf_sec0) - * CD_FRAMES + msf.cdmsf_frame0) - CD_MSF_OFFSET; - if (lba < 0 || lba >= scsi_CDs[target].capacity) - return -EINVAL; - - rc = sr_read_sector(target, lba, blocksize, raw); - if (!rc) - if (copy_to_user((void*)arg, raw, blocksize)) - rc = -EFAULT; - - spin_lock_irqsave(&io_request_lock, flags); - scsi_free(raw,2048+512); - spin_unlock_irqrestore(&io_request_lock, flags); - return rc; - } - case CDROMREADAUDIO: - { - unsigned char *raw; - int lba, rc=0; - struct cdrom_read_audio ra; - unsigned long flags; - - if (!scsi_CDs[target].readcd_known || !scsi_CDs[target].readcd_cdda) - return -EINVAL; /* -EDRIVE_DOES_NOT_SUPPORT_THIS ? */ - - if (copy_from_user(&ra,(void*)arg,sizeof(ra))) - return -EFAULT; - - if (ra.addr_format == CDROM_LBA) - lba = ra.addr.lba; - else - lba = (((ra.addr.msf.minute * CD_SECS) + ra.addr.msf.second) - * CD_FRAMES + ra.addr.msf.frame) - CD_MSF_OFFSET; - - if (lba < 0 || lba >= scsi_CDs[target].capacity) - return -EINVAL; - spin_lock_irqsave(&io_request_lock, flags); - raw = scsi_malloc(2048+512); - spin_unlock_irqrestore(&io_request_lock, flags); - if (!(raw)) - return -ENOMEM; - - while (ra.nframes > 0) { - rc = sr_read_cd(target, raw, lba, 1, CD_FRAMESIZE_RAW); - if (!rc) - if (copy_to_user(ra.buf, raw, CD_FRAMESIZE_RAW)) - rc = -EFAULT; - if (rc) - break; - - ra.buf += CD_FRAMESIZE_RAW; - ra.nframes -= 1; - lba++; - } - spin_lock_irqsave(&io_request_lock, flags); - scsi_free(raw,2048+512); - spin_unlock_irqrestore(&io_request_lock, flags); - return rc; - } - case BLKROSET: case BLKROGET: case BLKRASET: |