summaryrefslogtreecommitdiff
path: root/i386/i386at/gpl/linux/scsi/sr_ioctl.c
diff options
context:
space:
mode:
Diffstat (limited to 'i386/i386at/gpl/linux/scsi/sr_ioctl.c')
-rw-r--r--i386/i386at/gpl/linux/scsi/sr_ioctl.c489
1 files changed, 0 insertions, 489 deletions
diff --git a/i386/i386at/gpl/linux/scsi/sr_ioctl.c b/i386/i386at/gpl/linux/scsi/sr_ioctl.c
deleted file mode 100644
index 2313cf8..0000000
--- a/i386/i386at/gpl/linux/scsi/sr_ioctl.c
+++ /dev/null
@@ -1,489 +0,0 @@
-#include <linux/kernel.h>
-#include <linux/sched.h>
-#include <linux/mm.h>
-#include <linux/fs.h>
-#include <asm/segment.h>
-#include <linux/errno.h>
-
-#include <linux/blk.h>
-#include "scsi.h"
-#include "hosts.h"
-#include "sr.h"
-#include "scsi_ioctl.h"
-
-#include <linux/cdrom.h>
-
-#define IOCTL_RETRIES 3
-/* The CDROM is fairly slow, so we need a little extra time */
-/* In fact, it is very slow if it has to spin up first */
-#define IOCTL_TIMEOUT 3000
-
-static void sr_ioctl_done(Scsi_Cmnd * SCpnt)
-{
- struct request * req;
-
- req = &SCpnt->request;
- req->rq_status = RQ_SCSI_DONE; /* Busy, but indicate request done */
-
- if (req->sem != NULL) {
- up(req->sem);
- }
-}
-
-/* We do our own retries because we want to know what the specific
- error code is. Normally the UNIT_ATTENTION code will automatically
- clear after one error */
-
-static int do_ioctl(int target, unsigned char * sr_cmd, void * buffer, unsigned buflength)
-{
- Scsi_Cmnd * SCpnt;
- int result;
-
- SCpnt = allocate_device(NULL, scsi_CDs[target].device, 1);
- {
- struct semaphore sem = MUTEX_LOCKED;
- SCpnt->request.sem = &sem;
- scsi_do_cmd(SCpnt,
- (void *) sr_cmd, buffer, buflength, sr_ioctl_done,
- IOCTL_TIMEOUT, IOCTL_RETRIES);
- down(&sem);
- }
-
- result = SCpnt->result;
-
- /* Minimal error checking. Ignore cases we know about, and report the rest. */
- if(driver_byte(result) != 0)
- switch(SCpnt->sense_buffer[2] & 0xf) {
- case UNIT_ATTENTION:
- scsi_CDs[target].device->changed = 1;
- printk("Disc change detected.\n");
- break;
- case NOT_READY: /* This happens if there is no disc in drive */
- printk("CDROM not ready. Make sure there is a disc in the drive.\n");
- break;
- case ILLEGAL_REQUEST:
- printk("CDROM (ioctl) reports ILLEGAL REQUEST.\n");
- break;
- default:
- printk("SCSI CD error: host %d id %d lun %d return code = %03x\n",
- scsi_CDs[target].device->host->host_no,
- scsi_CDs[target].device->id,
- scsi_CDs[target].device->lun,
- result);
- printk("\tSense class %x, sense error %x, extended sense %x\n",
- sense_class(SCpnt->sense_buffer[0]),
- sense_error(SCpnt->sense_buffer[0]),
- SCpnt->sense_buffer[2] & 0xf);
-
- };
-
- result = SCpnt->result;
- SCpnt->request.rq_status = RQ_INACTIVE; /* Deallocate */
- wake_up(&SCpnt->device->device_wait);
- /* Wake up a process waiting for device*/
- return result;
-}
-
-int sr_ioctl(struct inode * inode, struct file * file, unsigned int cmd, unsigned long arg)
-{
- u_char sr_cmd[10];
-
- kdev_t dev = inode->i_rdev;
- int result, target, err;
-
- target = MINOR(dev);
-
- if (target >= sr_template.nr_dev ||
- !scsi_CDs[target].device) return -ENXIO;
-
- 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 = do_ioctl(target, sr_cmd, NULL, 255);
- return result;
-
- 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 = do_ioctl(target, sr_cmd, NULL, 255);
-
- return result;
-
- case CDROMPLAYMSF:
- {
- struct cdrom_msf msf;
-
- err = verify_area (VERIFY_READ, (void *) arg, sizeof (msf));
- if (err) return err;
-
- memcpy_fromfs(&msf, (void *) arg, sizeof(msf));
-
- 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 = do_ioctl(target, sr_cmd, NULL, 255);
- return result;
- }
-
- case CDROMPLAYBLK:
- {
- struct cdrom_blk blk;
-
- err = verify_area (VERIFY_READ, (void *) arg, sizeof (blk));
- if (err) return err;
-
- memcpy_fromfs(&blk, (void *) arg, sizeof(blk));
-
- 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 = do_ioctl(target, sr_cmd, NULL, 255);
- return result;
- }
-
- case CDROMPLAYTRKIND:
- {
- struct cdrom_ti ti;
-
- err = verify_area (VERIFY_READ, (void *) arg, sizeof (ti));
- if (err) return err;
-
- memcpy_fromfs(&ti, (void *) arg, sizeof(ti));
-
- 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 = do_ioctl(target, sr_cmd, NULL, 255);
-
- return result;
- }
-
- case CDROMREADTOCHDR:
- {
- struct cdrom_tochdr tochdr;
- char * buffer;
-
- sr_cmd[0] = SCMD_READ_TOC;
- sr_cmd[1] = ((scsi_CDs[target].device->lun) << 5) | 0x02; /* MSF format */
- sr_cmd[2] = sr_cmd[3] = sr_cmd[4] = sr_cmd[5] = 0;
- sr_cmd[6] = 0;
- sr_cmd[7] = 0; /* MSB of length (12) */
- sr_cmd[8] = 12; /* LSB of length */
- sr_cmd[9] = 0;
-
- buffer = (unsigned char *) scsi_malloc(512);
- if(!buffer) return -ENOMEM;
-
- result = do_ioctl(target, sr_cmd, buffer, 12);
-
- tochdr.cdth_trk0 = buffer[2];
- tochdr.cdth_trk1 = buffer[3];
-
- scsi_free(buffer, 512);
-
- err = verify_area (VERIFY_WRITE, (void *) arg, sizeof (struct cdrom_tochdr));
- if (err)
- return err;
- memcpy_tofs ((void *) arg, &tochdr, sizeof (struct cdrom_tochdr));
-
- return result;
- }
-
- case CDROMREADTOCENTRY:
- {
- struct cdrom_tocentry tocentry;
- char * buffer;
-
- err = verify_area (VERIFY_READ, (void *) arg, sizeof (struct cdrom_tocentry));
- if (err) return err;
-
- memcpy_fromfs (&tocentry, (void *) arg, sizeof (struct cdrom_tocentry));
-
- sr_cmd[0] = SCMD_READ_TOC;
- sr_cmd[1] = ((scsi_CDs[target].device->lun) << 5) | 0x02; /* MSF format */
- sr_cmd[2] = sr_cmd[3] = sr_cmd[4] = sr_cmd[5] = 0;
- sr_cmd[6] = tocentry.cdte_track;
- sr_cmd[7] = 0; /* MSB of length (12) */
- sr_cmd[8] = 12; /* LSB of length */
- sr_cmd[9] = 0;
-
- buffer = (unsigned char *) scsi_malloc(512);
- if(!buffer) return -ENOMEM;
-
- result = do_ioctl (target, sr_cmd, buffer, 12);
-
- if (tocentry.cdte_format == CDROM_MSF) {
- tocentry.cdte_addr.msf.minute = buffer[9];
- tocentry.cdte_addr.msf.second = buffer[10];
- tocentry.cdte_addr.msf.frame = buffer[11];
- tocentry.cdte_ctrl = buffer[5] & 0xf;
- }
- else
- tocentry.cdte_addr.lba = (int) buffer[0];
-
- scsi_free(buffer, 512);
-
- err = verify_area (VERIFY_WRITE, (void *) arg, sizeof (struct cdrom_tocentry));
- if (err)
- return err;
- memcpy_tofs ((void *) arg, &tocentry, sizeof (struct cdrom_tocentry));
-
- return result;
- }
-
- 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 = do_ioctl(target, sr_cmd, NULL, 255);
- return result;
-
- 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 = do_ioctl(target, sr_cmd, NULL, 255);
- return result;
-
- case CDROMEJECT:
- /*
- * Allow 0 for access count for auto-eject feature.
- */
- if (scsi_CDs[target].device -> access_count > 1)
- return -EBUSY;
-
- sr_ioctl (inode, NULL, SCSI_IOCTL_DOORUNLOCK, 0);
- 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] = 0x02;
-
- if (!(result = do_ioctl(target, sr_cmd, NULL, 255)))
- scsi_CDs[target].device -> changed = 1;
-
- return result;
-
- case CDROMEJECT_SW:
- scsi_CDs[target].auto_eject = !!arg;
- return 0;
-
- case CDROMVOLCTRL:
- {
- char * buffer, * mask;
- struct cdrom_volctrl volctrl;
-
- err = verify_area (VERIFY_READ, (void *) arg, sizeof (struct cdrom_volctrl));
- if (err) return err;
-
- memcpy_fromfs (&volctrl, (void *) arg, sizeof (struct cdrom_volctrl));
-
- /* 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;
-
- buffer = (unsigned char *) scsi_malloc(512);
- if(!buffer) return -ENOMEM;
-
- if ((result = do_ioctl (target, sr_cmd, buffer, 28))) {
- printk ("Hosed while obtaining audio mode page\n");
- scsi_free(buffer, 512);
- return result;
- }
-
- 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;
-
- mask = (unsigned char *) scsi_malloc(512);
- if(!mask) {
- scsi_free(buffer, 512);
- return -ENOMEM;
- };
-
- if ((result = do_ioctl (target, sr_cmd, mask, 28))) {
- printk ("Hosed while obtaining mask for audio mode page\n");
- scsi_free(buffer, 512);
- scsi_free(mask, 512);
- return result;
- }
-
- /* 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 = do_ioctl (target, sr_cmd, buffer, 28);
- scsi_free(buffer, 512);
- scsi_free(mask, 512);
- return result;
- }
-
- case CDROMSUBCHNL:
- {
- struct cdrom_subchnl subchnl;
- char * buffer;
-
- 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;
-
- buffer = (unsigned char*) scsi_malloc(512);
- if(!buffer) return -ENOMEM;
-
- result = do_ioctl(target, sr_cmd, buffer, 16);
-
- 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];
-
- scsi_free(buffer, 512);
-
- err = verify_area (VERIFY_WRITE, (void *) arg, sizeof (struct cdrom_subchnl));
- if (err)
- return err;
- memcpy_tofs ((void *) arg, &subchnl, sizeof (struct cdrom_subchnl));
- return result;
- }
-
- case CDROMREADMODE2:
- return -EINVAL;
- case CDROMREADMODE1:
- return -EINVAL;
-
- /* block-copy from ../block/sbpcd.c with some adjustments... */
- case CDROMMULTISESSION: /* tell start-of-last-session to user */
- {
- struct cdrom_multisession ms_info;
- long lba;
-
- err = verify_area(VERIFY_READ, (void *) arg,
- sizeof(struct cdrom_multisession));
- if (err) return (err);
-
- memcpy_fromfs(&ms_info, (void *) arg, sizeof(struct cdrom_multisession));
-
- if (ms_info.addr_format==CDROM_MSF) { /* MSF-bin requested */
- lba = scsi_CDs[target].mpcd_sector+CD_BLOCK_OFFSET;
- ms_info.addr.msf.minute = lba / (CD_SECS*CD_FRAMES);
- lba %= CD_SECS*CD_FRAMES;
- ms_info.addr.msf.second = lba / CD_FRAMES;
- ms_info.addr.msf.frame = lba % CD_FRAMES;
- } else if (ms_info.addr_format==CDROM_LBA) /* lba requested */
- ms_info.addr.lba=scsi_CDs[target].mpcd_sector;
- else return (-EINVAL);
-
- ms_info.xa_flag=scsi_CDs[target].xa_flags & 0x01;
-
- err=verify_area(VERIFY_WRITE,(void *) arg,
- sizeof(struct cdrom_multisession));
- if (err) return (err);
-
- memcpy_tofs((void *) arg, &ms_info, sizeof(struct cdrom_multisession));
- return (0);
- }
-
- case BLKRASET:
- if(!suser()) return -EACCES;
- if(!(inode->i_rdev)) return -EINVAL;
- if(arg > 0xff) return -EINVAL;
- read_ahead[MAJOR(inode->i_rdev)] = arg;
- return 0;
- RO_IOCTLS(dev,arg);
- default:
- return scsi_ioctl(scsi_CDs[target].device,cmd,(void *) arg);
- }
-}
-
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only. This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-indent-level: 4
- * c-brace-imaginary-offset: 0
- * c-brace-offset: -4
- * c-argdecl-indent: 4
- * c-label-offset: -4
- * c-continued-statement-offset: 4
- * c-continued-brace-offset: 0
- * indent-tabs-mode: nil
- * tab-width: 8
- * End:
- */
generated by cgit v1.2.3 (git 2.46.0) at 2025-04-02 01:21:21 +0000