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scsipi_all.h revision 1.28
      1 /*	$NetBSD: scsipi_all.h,v 1.28 2005/02/21 00:29:07 thorpej Exp $	*/
      2 
      3 /*
      4  * SCSI and SCSI-like general interface description
      5  */
      6 
      7 /*
      8  * Largely written by Julian Elischer (julian (at) 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 (at) 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
     59 struct 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 } __attribute__((packed));
     66 
     67 #define START_STOP		0x1b
     68 struct 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 
     91 struct 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 } __attribute__((packed)); /* 74 Bytes */
    167 
    168 #endif /* _DEV_SCSIPI_SCSIPI_ALL_H_ */
    169