/*
the scsi_ioctl() function differs from most ioctls in that it does
not take a major/minor number as the dev filed. Rather, it takes
a pointer to a scsi_devices[] element, a structure.
*/
int scsi_ioctl (Scsi_Device *dev, int cmd, void *arg)
{
char scsi_cmd[12];
if ((cmd != 0 && dev->index > NR_SCSI_DEVICES))
return -ENODEV;
switch (cmd) {
case SCSI_IOCTL_GET_IDLUN:
verify_area(VERIFY_WRITE, (void *) arg, sizeof(int));
put_fs_long(dev->id + (dev->lun << 8) +
(dev->host->host_no << 16), (unsigned long *) arg);
return 0;
case SCSI_IOCTL_TAGGED_ENABLE:
if(!suser()) return -EACCES;
if(!dev->tagged_supported) return -EINVAL;
dev->tagged_queue = 1;
dev->current_tag = 1;
break;
case SCSI_IOCTL_TAGGED_DISABLE:
if(!suser()) return -EACCES;
if(!dev->tagged_supported) return -EINVAL;
dev->tagged_queue = 0;
dev->current_tag = 0;
break;
case SCSI_IOCTL_PROBE_HOST:
return ioctl_probe(dev->host, arg);
case SCSI_IOCTL_SEND_COMMAND:
if(!suser()) return -EACCES;
return ioctl_command((Scsi_Device *) dev, arg);
case SCSI_IOCTL_DOORLOCK:
if (!dev->removable || !dev->lockable) return 0;
scsi_cmd[0] = ALLOW_MEDIUM_REMOVAL;
scsi_cmd[1] = dev->lun << 5;
scsi_cmd[2] = scsi_cmd[3] = scsi_cmd[5] = 0;
scsi_cmd[4] = SCSI_REMOVAL_PREVENT;
return ioctl_internal_command((Scsi_Device *) dev, scsi_cmd);
break;
case SCSI_IOCTL_DOORUNLOCK:
if (!dev->removable || !dev->lockable) return 0;
scsi_cmd[0] = ALLOW_MEDIUM_REMOVAL;
scsi_cmd[1] = dev->lun << 5;
scsi_cmd[2] = scsi_cmd[3] = scsi_cmd[5] = 0;
scsi_cmd[4] = SCSI_REMOVAL_ALLOW;
return ioctl_internal_command((Scsi_Device *) dev, scsi_cmd);
case SCSI_IOCTL_TEST_UNIT_READY:
scsi_cmd[0] = TEST_UNIT_READY;
scsi_cmd[1] = dev->lun << 5;
scsi_cmd[2] = scsi_cmd[3] = scsi_cmd[5] = 0;
scsi_cmd[4] = 0;
return ioctl_internal_command((Scsi_Device *) dev, scsi_cmd);
break;
default :
return -EINVAL;
}
return -EINVAL;
}
/*
the scsi_ioctl() function differs from most ioctls in that it does
not take a major/minor number as the dev filed. Rather, it takes
a pointer to a scsi_devices[] element, a structure.
*/
int scsi_ioctl (Scsi_Device *dev, int cmd, void *arg)
{
char scsi_cmd[10];
if ((cmd != 0 && dev->index > NR_SCSI_DEVICES))
return -ENODEV;
if ((cmd == 0 && dev->host_no > max_scsi_hosts))
return -ENODEV;
switch (cmd) {
case SCSI_IOCTL_GET_IDLUN:
verify_area(VERIFY_WRITE, (void *) arg, sizeof(int));
put_fs_long(dev->id + (dev->lun << 8) +
(dev->host_no << 16), (long *) arg);
return 0;
case SCSI_IOCTL_PROBE_HOST:
return ioctl_probe(dev->host_no, arg);
case SCSI_IOCTL_SEND_COMMAND:
return ioctl_command((Scsi_Device *) dev, arg);
case SCSI_IOCTL_DOORLOCK:
if (!dev->removable || !dev->lockable) return 0;
scsi_cmd[0] = ALLOW_MEDIUM_REMOVAL;
scsi_cmd[1] = dev->lun << 5;
scsi_cmd[2] = scsi_cmd[3] = scsi_cmd[5] = 0;
scsi_cmd[4] = SCSI_REMOVAL_PREVENT;
return ioctl_internal_command((Scsi_Device *) dev, scsi_cmd);
break;
case SCSI_IOCTL_DOORUNLOCK:
if (!dev->removable || !dev->lockable) return 0;
scsi_cmd[0] = ALLOW_MEDIUM_REMOVAL;
scsi_cmd[1] = dev->lun << 5;
scsi_cmd[2] = scsi_cmd[3] = scsi_cmd[5] = 0;
scsi_cmd[4] = SCSI_REMOVAL_ALLOW;
return ioctl_internal_command((Scsi_Device *) dev, scsi_cmd);
case SCSI_IOCTL_TEST_UNIT_READY:
scsi_cmd[0] = TEST_UNIT_READY;
scsi_cmd[1] = dev->lun << 5;
scsi_cmd[2] = scsi_cmd[3] = scsi_cmd[5] = 0;
scsi_cmd[4] = 0;
return ioctl_internal_command((Scsi_Device *) dev, scsi_cmd);
break;
default :
return -EINVAL;
}
}
/*
* the scsi_ioctl() function differs from most ioctls in that it does
* not take a major/minor number as the dev field. Rather, it takes
* a pointer to a scsi_devices[] element, a structure.
*/
int scsi_ioctl (Scsi_Device *dev, int cmd, void *arg)
{
int result;
char scsi_cmd[12];
/* No idea how this happens.... */
if (!dev) return -ENXIO;
switch (cmd) {
case SCSI_IOCTL_GET_IDLUN:
result = verify_area(VERIFY_WRITE, (void *) arg, 2*sizeof(long));
if (result) return result;
put_user(dev->id
+ (dev->lun << 8)
+ (dev->channel << 16)
+ ((dev->host->hostt->proc_dir->low_ino & 0xff) << 24),
(unsigned long *) arg);
put_user( dev->host->unique_id, (unsigned long *) arg+1);
return 0;
case SCSI_IOCTL_TAGGED_ENABLE:
if(!suser()) return -EACCES;
if(!dev->tagged_supported) return -EINVAL;
dev->tagged_queue = 1;
dev->current_tag = 1;
return 0;
case SCSI_IOCTL_TAGGED_DISABLE:
if(!suser()) return -EACCES;
if(!dev->tagged_supported) return -EINVAL;
dev->tagged_queue = 0;
dev->current_tag = 0;
return 0;
case SCSI_IOCTL_PROBE_HOST:
return ioctl_probe(dev->host, arg);
case SCSI_IOCTL_SEND_COMMAND:
if(!suser()) return -EACCES;
return ioctl_command((Scsi_Device *) dev, arg);
case SCSI_IOCTL_DOORLOCK:
if (!dev->removable || !dev->lockable) return 0;
scsi_cmd[0] = ALLOW_MEDIUM_REMOVAL;
scsi_cmd[1] = dev->lun << 5;
scsi_cmd[2] = scsi_cmd[3] = scsi_cmd[5] = 0;
scsi_cmd[4] = SCSI_REMOVAL_PREVENT;
return ioctl_internal_command((Scsi_Device *) dev, scsi_cmd,
NORMAL_TIMEOUT, NORMAL_RETRIES);
break;
case SCSI_IOCTL_DOORUNLOCK:
if (!dev->removable || !dev->lockable) return 0;
scsi_cmd[0] = ALLOW_MEDIUM_REMOVAL;
scsi_cmd[1] = dev->lun << 5;
scsi_cmd[2] = scsi_cmd[3] = scsi_cmd[5] = 0;
scsi_cmd[4] = SCSI_REMOVAL_ALLOW;
return ioctl_internal_command((Scsi_Device *) dev, scsi_cmd,
NORMAL_TIMEOUT, NORMAL_RETRIES);
case SCSI_IOCTL_TEST_UNIT_READY:
scsi_cmd[0] = TEST_UNIT_READY;
scsi_cmd[1] = dev->lun << 5;
scsi_cmd[2] = scsi_cmd[3] = scsi_cmd[5] = 0;
scsi_cmd[4] = 0;
return ioctl_internal_command((Scsi_Device *) dev, scsi_cmd,
NORMAL_TIMEOUT, NORMAL_RETRIES);
break;
case SCSI_IOCTL_START_UNIT:
scsi_cmd[0] = START_STOP;
scsi_cmd[1] = dev->lun << 5;
scsi_cmd[2] = scsi_cmd[3] = scsi_cmd[5] = 0;
scsi_cmd[4] = 1;
return ioctl_internal_command((Scsi_Device *) dev, scsi_cmd,
START_STOP_TIMEOUT, NORMAL_RETRIES);
break;
case SCSI_IOCTL_STOP_UNIT:
scsi_cmd[0] = START_STOP;
scsi_cmd[1] = dev->lun << 5;
scsi_cmd[2] = scsi_cmd[3] = scsi_cmd[5] = 0;
scsi_cmd[4] = 0;
return ioctl_internal_command((Scsi_Device *) dev, scsi_cmd,
START_STOP_TIMEOUT, NORMAL_RETRIES);
break;
default :
return -EINVAL;
}
return -EINVAL;
}
