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
21struct gendisk;
22struct scsi_device;
23struct sg_io_hdr;
24
25/*
26 * Structures used for scsi_ioctl et al.
27 */
28
29typedef struct scsi_ioctl_command {
30 unsigned int inlen;
31 unsigned int outlen;
32 unsigned char data[];
33} Scsi_Ioctl_Command;
34
35typedef struct scsi_idlun {
36 __u32 dev_id;
37 __u32 host_unique_id;
38} Scsi_Idlun;
39
40/* Fibre Channel WWN, port_id struct */
41typedef struct scsi_fctargaddress {
42 __u32 host_port_id;
43 unsigned char host_wwn[8]; // include NULL term.
44} Scsi_FCTargAddress;
45
46int scsi_ioctl_block_when_processing_errors(struct scsi_device *sdev,
47 int cmd, bool ndelay);
48int scsi_ioctl(struct scsi_device *sdev, bool open_for_write, int cmd,
49 void __user *arg);
50int get_sg_io_hdr(struct sg_io_hdr *hdr, const void __user *argp);
51int put_sg_io_hdr(const struct sg_io_hdr *hdr, void __user *argp);
52bool scsi_cmd_allowed(unsigned char *cmd, bool open_for_write);
53
54#endif /* __KERNEL__ */
55#endif /* _SCSI_IOCTL_H */
56