1/* $OpenBSD: scsiio.h,v 1.10 2012/09/05 17:17:47 deraadt Exp $ */
2/* $NetBSD: scsiio.h,v 1.3 1994/06/29 06:45:09 cgd Exp $ */
3
4#ifndef _SYS_SCSIIO_H_
5#define _SYS_SCSIIO_H_
6
7
8#include <sys/types.h>
9#include <sys/ioctl.h>
10
11#define SENSEBUFLEN 48
12#define CMDBUFLEN 16
13
14typedef struct scsireq {
15 u_long flags; /* info about the request status and type */
16 u_long timeout;
17 u_char cmd[CMDBUFLEN];
18 u_char cmdlen;
19 caddr_t databuf; /* address in user space of buffer */
20 u_long datalen; /* size of user buffer (request) */
21 u_long datalen_used; /* size of user buffer (used)*/
22 u_char sense[SENSEBUFLEN]; /* returned sense will be in here */
23 u_char senselen; /* sensedata request size (MAX of SENSEBUFLEN)*/
24 u_char senselen_used; /* return value only */
25 u_char status; /* what the scsi status was from the adapter */
26 u_char retsts; /* the return status for the command */
27 int error; /* error bits */
28} scsireq_t;
29
30/* bit definitions for flags */
31#define SCCMD_READ 0x00000001
32#define SCCMD_WRITE 0x00000002
33#define SCCMD_IOV 0x00000004
34#define SCCMD_ESCAPE 0x00000010
35#define SCCMD_TARGET 0x00000020
36
37
38/* definitions for the return status (retsts) */
39#define SCCMD_OK 0x00
40#define SCCMD_TIMEOUT 0x01
41#define SCCMD_BUSY 0x02
42#define SCCMD_SENSE 0x03
43#define SCCMD_UNKNOWN 0x04
44
45#define SCIOCCOMMAND _IOWR('Q', 1, scsireq_t)
46
47#define SC_DB_CMDS 0x00000001 /* show all scsi cmds and errors */
48#define SC_DB_FLOW 0x00000002 /* show routines entered */
49#define SC_DB_FLOW2 0x00000004 /* show path INSIDE routines */
50#define SC_DB_DMA 0x00000008 /* show DMA segments etc */
51#define SCIOCDEBUG _IOW('Q', 2, int) /* from 0 to 15 */
52
53struct scsi_addr {
54 int type;
55#define TYPE_SCSI 0
56#define TYPE_ATAPI 1
57 int scbus; /* -1 if wildcard */
58 int target; /* -1 if wildcard */
59 int lun; /* -1 if wildcard */
60};
61
62#define SCIOCRESET _IO('Q', 7) /* reset the device */
63#define SCIOCIDENTIFY _IOR('Q', 9, struct scsi_addr)
64
65struct sbioc_device {
66 void *sd_cookie;
67 int sd_target;
68 int sd_lun;
69};
70
71#define SBIOCPROBE _IOWR('Q', 127, struct sbioc_device)
72#define SBIOCDETACH _IOWR('Q', 128, struct sbioc_device)
73
74#endif /* _SYS_SCSIIO_H_ */