1/*	$NetBSD: scsipi_all.h,v 1.32 2006/12/01 21:36:56 martin Exp $	*/
2
3/*
4 * SCSI and SCSI-like general interface description
5 */
6
7/*
8 * Largely written by Julian Elischer (julian@tfs.com)
9 * for TRW Financial Systems.
10 *
11 * TRW Financial Systems, in accordance with their agreement with Carnegie
12 * Mellon University, makes this software available to CMU to distribute
13 * or use in any manner that they see fit as long as this message is kept with
14 * the software. For this reason TFS also grants any other persons or
15 * organisations permission to use or modify this software.
16 *
17 * TFS supplies this software to be publicly redistributed
18 * on the understanding that TFS is not responsible for the correct
19 * functioning of this software in any circumstances.
20 *
21 * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992
22 */
23
24#ifndef _DEV_SCSIPI_SCSIPI_ALL_H_
25#define	_DEV_SCSIPI_SCSIPI_ALL_H_
26
27/*
28 * SCSI-like command format and opcode
29 */
30
31/*
32 * Some basic, common SCSI command group definitions.
33 */
34
35#define	CDB_GROUPID(cmd)        ((cmd >> 5) & 0x7)
36#define	CDB_GROUPID_0	0
37#define	CDB_GROUPID_1	1
38#define	CDB_GROUPID_2	2
39#define	CDB_GROUPID_3	3
40#define	CDB_GROUPID_4	4
41#define	CDB_GROUPID_5	5
42#define	CDB_GROUPID_6	6
43#define	CDB_GROUPID_7	7
44
45#define	CDB_GROUP0	6       /*  6-byte cdb's */
46#define	CDB_GROUP1	10      /* 10-byte cdb's */
47#define	CDB_GROUP2	10      /* 10-byte cdb's */
48#define	CDB_GROUP3	0       /* reserved */
49#define	CDB_GROUP4	16      /* 16-byte cdb's */
50#define	CDB_GROUP5	12      /* 12-byte cdb's */
51#define	CDB_GROUP6	0       /* vendor specific */
52#define	CDB_GROUP7	0       /* vendor specific */
53
54/*
55 * Some basic, common SCSI commands
56 */
57
58#define	INQUIRY			0x12
59struct scsipi_inquiry {
60	u_int8_t opcode;
61	u_int8_t byte2;
62	u_int8_t unused[2];
63	u_int8_t length;
64	u_int8_t control;
65} __packed;
66
67#define START_STOP		0x1b
68struct scsipi_start_stop {
69	u_int8_t opcode;
70	u_int8_t byte2;
71	u_int8_t unused[2];
72	u_int8_t how;
73#define SSS_STOP		0x00
74#define SSS_START		0x01
75#define SSS_LOEJ		0x02
76	u_int8_t control;
77};
78
79/*
80 * inquiry data format
81 */
82
83#define	T_REMOV		1	/* device is removable */
84#define	T_FIXED		0	/* device is not removable */
85
86/*
87 * According to SPC-2r16, in order to know if a U3W device support PPR,
88 * Inquiry Data structure should be at least 57 Bytes
89 */
90
91struct scsipi_inquiry_data {
92/* 1*/	u_int8_t device;
93#define	SID_TYPE		0x1f	/* device type mask */
94#define	SID_QUAL		0xe0	/* device qualifier mask */
95#define	SID_QUAL_LU_PRESENT	0x00	/* logical unit present */
96#define	SID_QUAL_LU_NOTPRESENT	0x20	/* logical unit not present */
97#define	SID_QUAL_reserved	0x40
98#define	SID_QUAL_LU_NOT_SUPP	0x60	/* logical unit not supported */
99
100#define	T_DIRECT		0x00	/* direct access device */
101#define	T_SEQUENTIAL		0x01	/* sequential access device */
102#define	T_PRINTER		0x02	/* printer device */
103#define	T_PROCESSOR		0x03	/* processor device */
104#define	T_WORM			0x04	/* write once, read many device */
105#define	T_CDROM			0x05	/* cd-rom device */
106#define	T_SCANNER 		0x06	/* scanner device */
107#define	T_OPTICAL 		0x07	/* optical memory device */
108#define	T_CHANGER		0x08	/* medium changer device */
109#define	T_COMM			0x09	/* communication device */
110#define	T_IT8_1			0x0a	/* Defined by ASC IT8... */
111#define	T_IT8_2			0x0b	/* ...(Graphic arts pre-press devices) */
112#define	T_STORARRAY		0x0c	/* storage array device */
113#define	T_ENCLOSURE		0x0d	/* enclosure services device */
114#define	T_SIMPLE_DIRECT		0x0E	/* Simplified direct-access device */
115#define	T_OPTIC_CARD_RW		0x0F	/* Optical card reader/writer device */
116#define	T_OBJECT_STORED		0x11	/* Object-based Storage Device */
117#define	T_NODEVICE		0x1f
118
119	u_int8_t dev_qual2;
120#define	SID_QUAL2		0x7F
121#define	SID_REMOVABLE		0x80
122
123/* 3*/	u_int8_t version;
124#define	SID_ANSII	0x07
125#define	SID_ECMA	0x38
126#define	SID_ISO		0xC0
127
128/* 4*/	u_int8_t response_format;
129#define	SID_RespDataFmt	0x0F
130#define	SID_FORMAT_SCSI1	0x00	/* SCSI-1 format */
131#define	SID_FORMAT_CCS		0x01	/* SCSI CCS format */
132#define	SID_FORMAT_ISO		0x02	/* ISO format */
133
134/* 5*/	u_int8_t additional_length;	/* n-4 */
135/* 6*/	u_int8_t flags1;
136#define	SID_SCC		0x80
137/* 7*/	u_int8_t flags2;
138#define	SID_Addr16	0x01
139#define SID_MChngr	0x08
140#define	SID_MultiPort	0x10
141#define	SID_EncServ	0x40
142#define	SID_BasQue	0x80
143/* 8*/	u_int8_t flags3;
144#define	SID_SftRe	0x01
145#define	SID_CmdQue	0x02
146#define	SID_Linked	0x08
147#define	SID_Sync	0x10
148#define	SID_WBus16	0x20
149#define	SID_WBus32	0x40
150#define	SID_RelAdr	0x80
151/* 9*/	char    vendor[8];
152/*17*/	char    product[16];
153/*33*/	char    revision[4];
154#define	SCSIPI_INQUIRY_LENGTH_SCSI2	36
155/*37*/	u_int8_t vendor_specific[20];
156/*57*/	u_int8_t flags4;
157#define        SID_IUS         0x01
158#define        SID_QAS         0x02
159#define        SID_Clocking    0x0C
160#define	SID_CLOCKING_ST_ONLY  0x00
161#define	SID_CLOCKING_DT_ONLY  0x04
162#define	SID_CLOCKING_SD_DT    0x0C
163/*58*/	u_int8_t reserved;
164/*59*/	char    version_descriptor[8][2];
165#define	SCSIPI_INQUIRY_LENGTH_SCSI3	74
166} __packed; /* 74 Bytes */
167
168#endif /* _DEV_SCSIPI_SCSIPI_ALL_H_ */
169