static int sg_get_timeout(struct request_queue *q)
{
- return q->sg_timeout / (HZ / USER_HZ);
+ return jiffies_to_clock_t(q->sg_timeout);
}
static int sg_set_timeout(struct request_queue *q, int __user *p)
int timeout, err = get_user(timeout, p);
if (!err)
- q->sg_timeout = timeout * (HZ / USER_HZ);
+ q->sg_timeout = clock_t_to_jiffies(timeout);
return err;
}
return put_user(1, p);
}
+void blk_set_cmd_filter_defaults(struct blk_cmd_filter *filter)
+{
+ /* Basic read-only commands */
+ __set_bit(TEST_UNIT_READY, filter->read_ok);
+ __set_bit(REQUEST_SENSE, filter->read_ok);
+ __set_bit(READ_6, filter->read_ok);
+ __set_bit(READ_10, filter->read_ok);
+ __set_bit(READ_12, filter->read_ok);
+ __set_bit(READ_16, filter->read_ok);
+ __set_bit(READ_BUFFER, filter->read_ok);
+ __set_bit(READ_DEFECT_DATA, filter->read_ok);
+ __set_bit(READ_CAPACITY, filter->read_ok);
+ __set_bit(READ_LONG, filter->read_ok);
+ __set_bit(INQUIRY, filter->read_ok);
+ __set_bit(MODE_SENSE, filter->read_ok);
+ __set_bit(MODE_SENSE_10, filter->read_ok);
+ __set_bit(LOG_SENSE, filter->read_ok);
+ __set_bit(START_STOP, filter->read_ok);
+ __set_bit(GPCMD_VERIFY_10, filter->read_ok);
+ __set_bit(VERIFY_16, filter->read_ok);
+ __set_bit(REPORT_LUNS, filter->read_ok);
+ __set_bit(SERVICE_ACTION_IN, filter->read_ok);
+ __set_bit(RECEIVE_DIAGNOSTIC, filter->read_ok);
+ __set_bit(MAINTENANCE_IN, filter->read_ok);
+ __set_bit(GPCMD_READ_BUFFER_CAPACITY, filter->read_ok);
+
+ /* Audio CD commands */
+ __set_bit(GPCMD_PLAY_CD, filter->read_ok);
+ __set_bit(GPCMD_PLAY_AUDIO_10, filter->read_ok);
+ __set_bit(GPCMD_PLAY_AUDIO_MSF, filter->read_ok);
+ __set_bit(GPCMD_PLAY_AUDIO_TI, filter->read_ok);
+ __set_bit(GPCMD_PAUSE_RESUME, filter->read_ok);
+
+ /* CD/DVD data reading */
+ __set_bit(GPCMD_READ_CD, filter->read_ok);
+ __set_bit(GPCMD_READ_CD_MSF, filter->read_ok);
+ __set_bit(GPCMD_READ_DISC_INFO, filter->read_ok);
+ __set_bit(GPCMD_READ_CDVD_CAPACITY, filter->read_ok);
+ __set_bit(GPCMD_READ_DVD_STRUCTURE, filter->read_ok);
+ __set_bit(GPCMD_READ_HEADER, filter->read_ok);
+ __set_bit(GPCMD_READ_TRACK_RZONE_INFO, filter->read_ok);
+ __set_bit(GPCMD_READ_SUBCHANNEL, filter->read_ok);
+ __set_bit(GPCMD_READ_TOC_PMA_ATIP, filter->read_ok);
+ __set_bit(GPCMD_REPORT_KEY, filter->read_ok);
+ __set_bit(GPCMD_SCAN, filter->read_ok);
+ __set_bit(GPCMD_GET_CONFIGURATION, filter->read_ok);
+ __set_bit(GPCMD_READ_FORMAT_CAPACITIES, filter->read_ok);
+ __set_bit(GPCMD_GET_EVENT_STATUS_NOTIFICATION, filter->read_ok);
+ __set_bit(GPCMD_GET_PERFORMANCE, filter->read_ok);
+ __set_bit(GPCMD_SEEK, filter->read_ok);
+ __set_bit(GPCMD_STOP_PLAY_SCAN, filter->read_ok);
+
+ /* Basic writing commands */
+ __set_bit(WRITE_6, filter->write_ok);
+ __set_bit(WRITE_10, filter->write_ok);
+ __set_bit(WRITE_VERIFY, filter->write_ok);
+ __set_bit(WRITE_12, filter->write_ok);
+ __set_bit(WRITE_VERIFY_12, filter->write_ok);
+ __set_bit(WRITE_16, filter->write_ok);
+ __set_bit(WRITE_LONG, filter->write_ok);
+ __set_bit(WRITE_LONG_2, filter->write_ok);
+ __set_bit(ERASE, filter->write_ok);
+ __set_bit(GPCMD_MODE_SELECT_10, filter->write_ok);
+ __set_bit(MODE_SELECT, filter->write_ok);
+ __set_bit(LOG_SELECT, filter->write_ok);
+ __set_bit(GPCMD_BLANK, filter->write_ok);
+ __set_bit(GPCMD_CLOSE_TRACK, filter->write_ok);
+ __set_bit(GPCMD_FLUSH_CACHE, filter->write_ok);
+ __set_bit(GPCMD_FORMAT_UNIT, filter->write_ok);
+ __set_bit(GPCMD_REPAIR_RZONE_TRACK, filter->write_ok);
+ __set_bit(GPCMD_RESERVE_RZONE_TRACK, filter->write_ok);
+ __set_bit(GPCMD_SEND_DVD_STRUCTURE, filter->write_ok);
+ __set_bit(GPCMD_SEND_EVENT, filter->write_ok);
+ __set_bit(GPCMD_SEND_KEY, filter->write_ok);
+ __set_bit(GPCMD_SEND_OPC, filter->write_ok);
+ __set_bit(GPCMD_SEND_CUE_SHEET, filter->write_ok);
+ __set_bit(GPCMD_SET_SPEED, filter->write_ok);
+ __set_bit(GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL, filter->write_ok);
+ __set_bit(GPCMD_LOAD_UNLOAD, filter->write_ok);
+ __set_bit(GPCMD_SET_STREAMING, filter->write_ok);
+ __set_bit(GPCMD_SET_READ_AHEAD, filter->write_ok);
+}
+EXPORT_SYMBOL_GPL(blk_set_cmd_filter_defaults);
+
static int blk_fill_sghdr_rq(struct request_queue *q, struct request *rq,
- struct sg_io_hdr *hdr, struct file *file)
+ struct sg_io_hdr *hdr, fmode_t mode)
{
if (copy_from_user(rq->cmd, hdr->cmdp, hdr->cmd_len))
return -EFAULT;
- if (blk_verify_command(file, rq->cmd))
+ if (blk_verify_command(&q->cmd_filter, rq->cmd, mode & FMODE_WRITE))
return -EPERM;
/*
rq->timeout = q->sg_timeout;
if (!rq->timeout)
rq->timeout = BLK_DEFAULT_SG_TIMEOUT;
+ if (rq->timeout < BLK_MIN_SG_TIMEOUT)
+ rq->timeout = BLK_MIN_SG_TIMEOUT;
return 0;
}
return r;
}
-static int sg_io(struct file *file, struct request_queue *q,
- struct gendisk *bd_disk, struct sg_io_hdr *hdr)
+static int sg_io(struct request_queue *q, struct gendisk *bd_disk,
+ struct sg_io_hdr *hdr, fmode_t mode)
{
unsigned long start_time;
int writing = 0, ret = 0;
if (!rq)
return -ENOMEM;
- if (blk_fill_sghdr_rq(q, rq, hdr, file)) {
+ if (blk_fill_sghdr_rq(q, rq, hdr, mode)) {
blk_put_request(rq);
return -EFAULT;
}
goto out;
}
- ret = blk_rq_map_user_iov(q, rq, iov, hdr->iovec_count,
- hdr->dxfer_len);
+ ret = blk_rq_map_user_iov(q, rq, NULL, iov, hdr->iovec_count,
+ hdr->dxfer_len, GFP_KERNEL);
kfree(iov);
} else if (hdr->dxfer_len)
- ret = blk_rq_map_user(q, rq, hdr->dxferp, hdr->dxfer_len);
+ ret = blk_rq_map_user(q, rq, NULL, hdr->dxferp, hdr->dxfer_len,
+ GFP_KERNEL);
if (ret)
goto out;
* bytes in one int) where the lowest byte is the SCSI status.
*/
#define OMAX_SB_LEN 16 /* For backward compatibility */
-int sg_scsi_ioctl(struct file *file, struct request_queue *q,
- struct gendisk *disk, struct scsi_ioctl_command __user *sic)
+int sg_scsi_ioctl(struct request_queue *q, struct gendisk *disk, fmode_t mode,
+ struct scsi_ioctl_command __user *sic)
{
struct request *rq;
int err;
if (in_len && copy_from_user(buffer, sic->data + cmdlen, in_len))
goto error;
- err = blk_verify_command(file, rq->cmd);
+ err = blk_verify_command(&q->cmd_filter, rq->cmd, mode & FMODE_WRITE);
if (err)
goto error;
return __blk_send_generic(q, bd_disk, GPCMD_START_STOP_UNIT, data);
}
-int scsi_cmd_ioctl(struct file *file, struct request_queue *q,
- struct gendisk *bd_disk, unsigned int cmd, void __user *arg)
+int scsi_cmd_ioctl(struct request_queue *q, struct gendisk *bd_disk, fmode_t mode,
+ unsigned int cmd, void __user *arg)
{
int err;
err = -EFAULT;
if (copy_from_user(&hdr, arg, sizeof(hdr)))
break;
- err = sg_io(file, q, bd_disk, &hdr);
+ err = sg_io(q, bd_disk, &hdr, mode);
if (err == -EFAULT)
break;
hdr.cmdp = ((struct cdrom_generic_command __user*) arg)->cmd;
hdr.cmd_len = sizeof(cgc.cmd);
- err = sg_io(file, q, bd_disk, &hdr);
+ err = sg_io(q, bd_disk, &hdr, mode);
if (err == -EFAULT)
break;
if (!arg)
break;
- err = sg_scsi_ioctl(file, q, bd_disk, arg);
+ err = sg_scsi_ioctl(q, bd_disk, mode, arg);
break;
case CDROMCLOSETRAY:
err = blk_send_start_stop(q, bd_disk, 0x03);