1/* $NetBSD: scsiio.h,v 1.13 2020/05/18 09:52:30 rkujawa Exp $ */
2
3#ifndef _SYS_SCSIIO_H_
4#define _SYS_SCSIIO_H_
5
6
7#include <sys/types.h>
8#include <sys/ioctl.h>
9
10#define SENSEBUFLEN 48
11
12typedef struct scsireq {
13 u_long flags; /* info about the request status and type */
14 u_long timeout;
15 u_char cmd[16];
16 u_char cmdlen;
17 void * databuf; /* address in user space of buffer */
18 u_long datalen; /* size of user buffer (request) */
19 u_long datalen_used; /* size of user buffer (used)*/
20 u_char sense[SENSEBUFLEN]; /* returned sense will be in here */
21 u_char senselen; /* sensedata request size (MAX of SENSEBUFLEN)*/
22 u_char senselen_used; /* return value only */
23 u_char status; /* what the scsi status was from the adapter */
24 u_char retsts; /* the return status for the command */
25 int error; /* error bits */
26} scsireq_t;
27
28/* bit definitions for flags */
29#define SCCMD_READ 0x00000001
30#define SCCMD_WRITE 0x00000002
31#define SCCMD_IOV 0x00000004
32#define SCCMD_ESCAPE 0x00000010
33#define SCCMD_TARGET 0x00000020
34
35
36/* definitions for the return status (retsts) */
37#define SCCMD_OK 0x00
38#define SCCMD_TIMEOUT 0x01
39#define SCCMD_BUSY 0x02
40#define SCCMD_SENSE 0x03
41#define SCCMD_UNKNOWN 0x04
42
43#define SCIOCCOMMAND _IOWR('Q', 1, scsireq_t)
44
45#define SC_DB_CMDS 0x00000001 /* show all scsi cmds and errors */
46#define SC_DB_FLOW 0x00000002 /* show routines entered */
47#define SC_DB_FLOW2 0x00000004 /* show path INSIDE routines */
48#define SC_DB_DMA 0x00000008 /* show DMA segments etc */
49#define SCIOCDEBUG _IOW('Q', 2, int) /* from 0 to 15 */
50
51struct oscsi_addr {
52 int scbus; /* -1 if wildcard */
53 int target; /* -1 if wildcard */
54 int lun; /* -1 if wildcard */
55};
56
57struct scsi_addr {
58 int type; /* bus type */
59#define TYPE_SCSI 0
60#define TYPE_ATAPI 1
61 union {
62 struct oscsi_addr scsi;
63 struct _atapi {
64 int atbus; /* -1 if wildcard */
65 int drive; /* -1 if wildcard */
66 } atapi;
67 } addr;
68};
69
70/*
71 * SCSI device ioctls
72 */
73
74#define SCIOCIDENTIFY _IOR('Q', 4, struct scsi_addr) /* where are you? */
75#define OSCIOCIDENTIFY _IOR('Q', 4, struct oscsi_addr)
76#define SCIOCDECONFIG _IO('Q', 5) /* please disappear */
77#define SCIOCRECONFIG _IO('Q', 6) /* please check again */
78#define SCIOCRESET _IO('Q', 7) /* reset the device */
79
80/*
81 * SCSI bus ioctls
82 */
83
84/* Scan bus for new devices. */
85struct scbusioscan_args {
86 int sa_target; /* target to scan; -1 for wildcard */
87 int sa_lun; /* lun to scan; -1 for wildcard */
88};
89#define SCBUSIOSCAN _IOW('U', 0, struct scbusioscan_args)
90
91#define SCBUSIORESET _IO('U', 1) /* reset SCSI bus */
92
93struct scbusiodetach_args {
94 int sa_target; /* target to scan; -1 for wildcard */
95 int sa_lun; /* lun to scan; -1 for wildcard */
96};
97#define SCBUSIODETACH _IOW('U', 2, struct scbusiodetach_args)
98
99/* enable/disable device properties */
100struct scbusaccel_args {
101 int sa_target; /* target to set property on */
102 int sa_lun; /* lun to set property on */
103 int sa_flags; /* flags to set or clear */
104};
105#define SC_ACCEL_SYNC 0x01 /* enable sync mode */
106#define SC_ACCEL_WIDE 0x02 /* enable wide transfers */
107#define SC_ACCEL_TAGS 0x04 /* enable tagged queuing */
108#define SCBUSACCEL _IOW('U', 2, struct scbusaccel_args)
109
110#define SCBUSIOLLSCAN _IO('U', 3) /* perform low-level scan */
111
112#endif /* _SYS_SCSIIO_H_ */