xref: /linux/include/scsi/scsi_ioctl.h (revision 3f0a50f345f78183f6e9b39c2f45ca5dcaa511ca)
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, fmode_t mode, 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, fmode_t mode);
53 
54 #endif /* __KERNEL__ */
55 #endif /* _SCSI_IOCTL_H */
56