include/scsi/scsi_ioctl.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef _SCSI_IOCTL_H
   3 #define _SCSI_IOCTL_H
   4
   5 #define SCSI_IOCTL_SEND_COMMAND 1
   6 #define SCSI_IOCTL_TEST_UNIT_READY 2
   7 #define SCSI_IOCTL_BENCHMARK_COMMAND 3
   8 #define SCSI_IOCTL_SYNC 4                       /* Request synchronous parameters */
   9 #define SCSI_IOCTL_START_UNIT 5
  10 #define SCSI_IOCTL_STOP_UNIT 6
  11 /* The door lock/unlock constants are compatible with Sun constants for
  12    the cdrom */
  13 #define SCSI_IOCTL_DOORLOCK 0x5380              /* lock the eject mechanism */
  14 #define SCSI_IOCTL_DOORUNLOCK 0x5381            /* unlock the mechanism   */
  15
  16 #define SCSI_REMOVAL_PREVENT    1
  17 #define SCSI_REMOVAL_ALLOW      0
  18
  19 #ifdef __KERNEL__
  20
  21 struct gendisk;
  22 struct scsi_device;
  23 struct sg_io_hdr;
  24
  25 /*
  26  * Structures used for scsi_ioctl et al.
  27  */
  28
  29 typedef struct scsi_ioctl_command {
  30         unsigned int inlen;
  31         unsigned int outlen;
  32         unsigned char data[];
  33 } Scsi_Ioctl_Command;
  34
  35 typedef struct scsi_idlun {
  36         __u32 dev_id;
  37         __u32 host_unique_id;
  38 } Scsi_Idlun;
  39
  40 /* Fibre Channel WWN, port_id struct */
  41 typedef struct scsi_fctargaddress {
  42         __u32 host_port_id;
  43         unsigned char host_wwn[8]; // include NULL term.
  44 } Scsi_FCTargAddress;
  45
  46 int scsi_ioctl_block_when_processing_errors(struct scsi_device *sdev,
  47                 int cmd, bool ndelay);
  48 int scsi_ioctl(struct scsi_device *sdev, bool open_for_write, int cmd,
  49                 void __user *arg);
  50 int get_sg_io_hdr(struct sg_io_hdr *hdr, const void __user *argp);
  51 int put_sg_io_hdr(const struct sg_io_hdr *hdr, void __user *argp);
  52 bool scsi_cmd_allowed(unsigned char *cmd, bool open_for_write);
  53
  54 #endif /* __KERNEL__ */
  55 #endif /* _SCSI_IOCTL_H */