/* 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; } }
int scsi_set_medium_removal(struct scsi_device *sdev, char state) { char scsi_cmd[MAX_COMMAND_SIZE]; int ret; if (!sdev->removable || !sdev->lockable) return 0; scsi_cmd[0] = ALLOW_MEDIUM_REMOVAL; scsi_cmd[1] = 0; scsi_cmd[2] = 0; scsi_cmd[3] = 0; scsi_cmd[4] = state; scsi_cmd[5] = 0; ret = ioctl_internal_command(sdev, scsi_cmd, IOCTL_NORMAL_TIMEOUT, NORMAL_RETRIES); if (ret == 0) sdev->locked = (state == SCSI_REMOVAL_PREVENT); return ret; }
int scsi_set_medium_removal(Scsi_Device *dev, char state) { char scsi_cmd[MAX_COMMAND_SIZE]; int ret; if (!dev->removable || !dev->lockable) return 0; scsi_cmd[0] = ALLOW_MEDIUM_REMOVAL; scsi_cmd[1] = (dev->scsi_level <= SCSI_2) ? (dev->lun << 5) : 0; scsi_cmd[2] = 0; scsi_cmd[3] = 0; scsi_cmd[4] = state; scsi_cmd[5] = 0; ret = ioctl_internal_command(dev, scsi_cmd, IOCTL_NORMAL_TIMEOUT, NORMAL_RETRIES); if (ret == 0) dev->locked = state == SCSI_REMOVAL_PREVENT; return ret; }
/** * scsi_ioctl - Dispatch ioctl to scsi device * @sdev: scsi device receiving ioctl * @cmd: which ioctl is it * @arg: data associated with ioctl * * Description: 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 &struct scsi_device. */ int scsi_ioctl(struct scsi_device *sdev, int cmd, void __user *arg) { char scsi_cmd[MAX_COMMAND_SIZE]; /* No idea how this happens.... */ if (!sdev) return -ENXIO; /* * If we are in the middle of error recovery, don't let anyone * else try and use this device. Also, if error recovery fails, it * may try and take the device offline, in which case all further * access to the device is prohibited. */ if (!scsi_block_when_processing_errors(sdev)) return -ENODEV; /* Check for deprecated ioctls ... all the ioctls which don't * follow the new unique numbering scheme are deprecated */ switch (cmd) { case SCSI_IOCTL_SEND_COMMAND: case SCSI_IOCTL_TEST_UNIT_READY: case SCSI_IOCTL_BENCHMARK_COMMAND: case SCSI_IOCTL_SYNC: case SCSI_IOCTL_START_UNIT: case SCSI_IOCTL_STOP_UNIT: printk(KERN_WARNING "program %s is using a deprecated SCSI " "ioctl, please convert it to SG_IO\n", current->comm); break; default: break; } switch (cmd) { case SCSI_IOCTL_GET_IDLUN: if (!access_ok(VERIFY_WRITE, arg, sizeof(struct scsi_idlun))) return -EFAULT; __put_user((sdev->id & 0xff) + ((sdev->lun & 0xff) << 8) + ((sdev->channel & 0xff) << 16) + ((sdev->host->host_no & 0xff) << 24), &((struct scsi_idlun __user *)arg)->dev_id); __put_user(sdev->host->unique_id, &((struct scsi_idlun __user *)arg)->host_unique_id); return 0; case SCSI_IOCTL_GET_BUS_NUMBER: return put_user(sdev->host->host_no, (int __user *)arg); case SCSI_IOCTL_PROBE_HOST: return ioctl_probe(sdev->host, arg); case SCSI_IOCTL_SEND_COMMAND: if (!capable(CAP_SYS_ADMIN) || !capable(CAP_SYS_RAWIO)) return -EACCES; return sg_scsi_ioctl(sdev->request_queue, NULL, 0, arg); case SCSI_IOCTL_DOORLOCK: return scsi_set_medium_removal(sdev, SCSI_REMOVAL_PREVENT); case SCSI_IOCTL_DOORUNLOCK: return scsi_set_medium_removal(sdev, SCSI_REMOVAL_ALLOW); case SCSI_IOCTL_TEST_UNIT_READY: return scsi_test_unit_ready(sdev, IOCTL_NORMAL_TIMEOUT, NORMAL_RETRIES, NULL); case SCSI_IOCTL_START_UNIT: scsi_cmd[0] = START_STOP; scsi_cmd[1] = 0; scsi_cmd[2] = scsi_cmd[3] = scsi_cmd[5] = 0; scsi_cmd[4] = 1; return ioctl_internal_command(sdev, scsi_cmd, START_STOP_TIMEOUT, NORMAL_RETRIES); case SCSI_IOCTL_STOP_UNIT: scsi_cmd[0] = START_STOP; scsi_cmd[1] = 0; scsi_cmd[2] = scsi_cmd[3] = scsi_cmd[5] = 0; scsi_cmd[4] = 0; return ioctl_internal_command(sdev, scsi_cmd, START_STOP_TIMEOUT, NORMAL_RETRIES); case SCSI_IOCTL_GET_PCI: return scsi_ioctl_get_pci(sdev, arg); default: if (sdev->host->hostt->ioctl) return sdev->host->hostt->ioctl(sdev, cmd, arg); } 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) { char scsi_cmd[MAX_COMMAND_SIZE]; char cmd_byte1; /* No idea how this happens.... */ if (!dev) return -ENXIO; /* * If we are in the middle of error recovery, don't let anyone * else try and use this device. Also, if error recovery fails, it * may try and take the device offline, in which case all further * access to the device is prohibited. */ if (!scsi_block_when_processing_errors(dev)) { return -ENODEV; } cmd_byte1 = (dev->scsi_level <= SCSI_2) ? (dev->lun << 5) : 0; switch (cmd) { case SCSI_IOCTL_GET_IDLUN: if (verify_area(VERIFY_WRITE, arg, sizeof(Scsi_Idlun))) return -EFAULT; __put_user((dev->id & 0xff) + ((dev->lun & 0xff) << 8) + ((dev->channel & 0xff) << 16) + ((dev->host->host_no & 0xff) << 24), &((Scsi_Idlun *) arg)->dev_id); __put_user(dev->host->unique_id, &((Scsi_Idlun *) arg)->host_unique_id); return 0; case SCSI_IOCTL_GET_BUS_NUMBER: return put_user(dev->host->host_no, (int *) arg); case SCSI_IOCTL_TAGGED_ENABLE: if (!capable(CAP_SYS_ADMIN)) return -EACCES; if (!dev->tagged_supported) return -EINVAL; dev->tagged_queue = 1; dev->current_tag = 1; return 0; case SCSI_IOCTL_TAGGED_DISABLE: if (!capable(CAP_SYS_ADMIN)) 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 (!capable(CAP_SYS_ADMIN) || !capable(CAP_SYS_RAWIO)) return -EACCES; return scsi_ioctl_send_command((Scsi_Device *) dev, (Scsi_Ioctl_Command *) arg); case SCSI_IOCTL_DOORLOCK: if (!dev->removable || !dev->lockable) return 0; scsi_cmd[0] = ALLOW_MEDIUM_REMOVAL; scsi_cmd[1] = cmd_byte1; 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, IOCTL_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] = cmd_byte1; 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, IOCTL_NORMAL_TIMEOUT, NORMAL_RETRIES); case SCSI_IOCTL_TEST_UNIT_READY: scsi_cmd[0] = TEST_UNIT_READY; scsi_cmd[1] = cmd_byte1; scsi_cmd[2] = scsi_cmd[3] = scsi_cmd[5] = 0; scsi_cmd[4] = 0; return ioctl_internal_command((Scsi_Device *) dev, scsi_cmd, IOCTL_NORMAL_TIMEOUT, NORMAL_RETRIES); break; case SCSI_IOCTL_START_UNIT: scsi_cmd[0] = START_STOP; scsi_cmd[1] = cmd_byte1; 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] = cmd_byte1; 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; case SCSI_IOCTL_GET_PCI: return scsi_ioctl_get_pci(dev, arg); break; default: if (dev->host->hostt->ioctl) return dev->host->hostt->ioctl(dev, cmd, arg); 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 field. Rather, it takes * a pointer to a scsi_devices[] element, a structure. */ int scsi_ioctl(struct scsi_device *sdev, int cmd, void __user *arg) { char scsi_cmd[MAX_COMMAND_SIZE]; /* No idea how this happens.... */ if (!sdev) return -ENXIO; /* * If we are in the middle of error recovery, don't let anyone * else try and use this device. Also, if error recovery fails, it * may try and take the device offline, in which case all further * access to the device is prohibited. */ if (!scsi_block_when_processing_errors(sdev)) return -ENODEV; switch (cmd) { case SCSI_IOCTL_GET_IDLUN: if (verify_area(VERIFY_WRITE, arg, sizeof(struct scsi_idlun))) return -EFAULT; __put_user((sdev->id & 0xff) + ((sdev->lun & 0xff) << 8) + ((sdev->channel & 0xff) << 16) + ((sdev->host->host_no & 0xff) << 24), &((struct scsi_idlun __user *)arg)->dev_id); __put_user(sdev->host->unique_id, &((struct scsi_idlun __user *)arg)->host_unique_id); return 0; case SCSI_IOCTL_GET_BUS_NUMBER: return put_user(sdev->host->host_no, (int __user *)arg); case SCSI_IOCTL_PROBE_HOST: return ioctl_probe(sdev->host, arg); case SCSI_IOCTL_SEND_COMMAND: if (!capable(CAP_SYS_ADMIN) || !capable(CAP_SYS_RAWIO)) return -EACCES; return scsi_ioctl_send_command(sdev, arg); case SCSI_IOCTL_DOORLOCK: return scsi_set_medium_removal(sdev, SCSI_REMOVAL_PREVENT); case SCSI_IOCTL_DOORUNLOCK: return scsi_set_medium_removal(sdev, SCSI_REMOVAL_ALLOW); case SCSI_IOCTL_TEST_UNIT_READY: scsi_cmd[0] = TEST_UNIT_READY; scsi_cmd[1] = 0; scsi_cmd[2] = scsi_cmd[3] = scsi_cmd[5] = 0; scsi_cmd[4] = 0; return ioctl_internal_command(sdev, scsi_cmd, IOCTL_NORMAL_TIMEOUT, NORMAL_RETRIES); case SCSI_IOCTL_START_UNIT: scsi_cmd[0] = START_STOP; scsi_cmd[1] = 0; scsi_cmd[2] = scsi_cmd[3] = scsi_cmd[5] = 0; scsi_cmd[4] = 1; return ioctl_internal_command(sdev, scsi_cmd, START_STOP_TIMEOUT, NORMAL_RETRIES); case SCSI_IOCTL_STOP_UNIT: scsi_cmd[0] = START_STOP; scsi_cmd[1] = 0; scsi_cmd[2] = scsi_cmd[3] = scsi_cmd[5] = 0; scsi_cmd[4] = 0; return ioctl_internal_command(sdev, scsi_cmd, START_STOP_TIMEOUT, NORMAL_RETRIES); case SCSI_IOCTL_GET_PCI: return scsi_ioctl_get_pci(sdev, arg); default: if (sdev->host->hostt->ioctl) return sdev->host->hostt->ioctl(sdev, cmd, arg); } return -EINVAL; }
int scsi_ioctl(struct scsi_device *sdev, int cmd, void __user *arg) { char scsi_cmd[MAX_COMMAND_SIZE]; if (!sdev) return -ENXIO; if (!scsi_block_when_processing_errors(sdev)) return -ENODEV; switch (cmd) { case SCSI_IOCTL_SEND_COMMAND: case SCSI_IOCTL_TEST_UNIT_READY: case SCSI_IOCTL_BENCHMARK_COMMAND: case SCSI_IOCTL_SYNC: case SCSI_IOCTL_START_UNIT: case SCSI_IOCTL_STOP_UNIT: printk(KERN_WARNING "program %s is using a deprecated SCSI " "ioctl, please convert it to SG_IO\n", current->comm); break; default: break; } switch (cmd) { case SCSI_IOCTL_GET_IDLUN: if (!access_ok(VERIFY_WRITE, arg, sizeof(struct scsi_idlun))) return -EFAULT; __put_user((sdev->id & 0xff) + ((sdev->lun & 0xff) << 8) + ((sdev->channel & 0xff) << 16) + ((sdev->host->host_no & 0xff) << 24), &((struct scsi_idlun __user *)arg)->dev_id); __put_user(sdev->host->unique_id, &((struct scsi_idlun __user *)arg)->host_unique_id); return 0; case SCSI_IOCTL_GET_BUS_NUMBER: return put_user(sdev->host->host_no, (int __user *)arg); case SCSI_IOCTL_PROBE_HOST: return ioctl_probe(sdev->host, arg); case SCSI_IOCTL_SEND_COMMAND: if (!capable(CAP_SYS_ADMIN) || !capable(CAP_SYS_RAWIO)) return -EACCES; return sg_scsi_ioctl(sdev->request_queue, NULL, 0, arg); case SCSI_IOCTL_DOORLOCK: return scsi_set_medium_removal(sdev, SCSI_REMOVAL_PREVENT); case SCSI_IOCTL_DOORUNLOCK: return scsi_set_medium_removal(sdev, SCSI_REMOVAL_ALLOW); case SCSI_IOCTL_TEST_UNIT_READY: return scsi_test_unit_ready(sdev, IOCTL_NORMAL_TIMEOUT, NORMAL_RETRIES, NULL); case SCSI_IOCTL_START_UNIT: scsi_cmd[0] = START_STOP; scsi_cmd[1] = 0; scsi_cmd[2] = scsi_cmd[3] = scsi_cmd[5] = 0; scsi_cmd[4] = 1; return ioctl_internal_command(sdev, scsi_cmd, START_STOP_TIMEOUT, NORMAL_RETRIES); case SCSI_IOCTL_STOP_UNIT: scsi_cmd[0] = START_STOP; scsi_cmd[1] = 0; scsi_cmd[2] = scsi_cmd[3] = scsi_cmd[5] = 0; scsi_cmd[4] = 0; return ioctl_internal_command(sdev, scsi_cmd, START_STOP_TIMEOUT, NORMAL_RETRIES); case SCSI_IOCTL_GET_PCI: return scsi_ioctl_get_pci(sdev, arg); default: if (sdev->host->hostt->ioctl) return sdev->host->hostt->ioctl(sdev, cmd, arg); } 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; }