[unix-history] / .ref-BSD-4_3_Reno / usr / src / sys / hpdev / scsireg.h

/*
 * Copyright (c) 1990 The Regents of the University of California.
 * All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * Van Jacobson of Lawrence Berkeley Laboratory.
 *
 * Redistribution is only permitted until one year after the first shipment
 * of 4.4BSD by the Regents.  Otherwise, redistribution and use in source and
 * binary forms are permitted provided that: (1) source distributions retain
 * this entire copyright notice and comment, and (2) distributions including
 * binaries display the following acknowledgement:  This product includes
 * software developed by the University of California, Berkeley and its
 * contributors'' in the documentation or other materials provided with the
 * distribution and in all advertising materials mentioning features or use
 * of this software.  Neither the name of the University nor the names of
 * its contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 * THIS SOFTWARE IS PROVIDED AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 *
 *	@(#)scsireg.h	7.1 (Berkeley) 5/8/90
 */

/*
 * HP 98265A SCSI Interface Hardware Description.
 */

struct scsidevice {
	u_char	p0,  scsi_id;
#define			ID_MASK		0x1f
#define			SCSI_ID		0x07
#define			ID_WORD_DMA	0x20
	u_char	p2,  scsi_csr;
#define			CSR_IE		0x80
#define			CSR_IR		0x40
#define			SCSI_IPL(csr)	((((csr)>>4)&3)+3)
#define			CSR_DMA32	0x08
#define			CSR_DMAIN	0x04
#define			CSR_DE1		0x02
#define			CSR_DE0		0x01
	u_char	p4,  scsi_wrap;
#define			WRAP_REQ	0x80
#define			WRAP_ACK	0x40
#define			WRAP_BSY	0x08
#define			WRAP_MSG	0x04
#define			WRAP_CD		0x02
#define			WRAP_IO		0x01
	u_char	p6,  scsi_hconf;
#define			HCONF_TP	0x80
#define			SCSI_SYNC_XFER(hconf) (((hconf)>>5)&3)
#define			HCONF_SD	0x10
#define			HCONF_PARITY	0x08
	u_char	p8[24];
	u_char	p32, scsi_bdid;
	u_char	p34, scsi_sctl;
#define			SCTL_DISABLE	0x80
#define			SCTL_CTRLRST	0x40
#define			SCTL_DIAG	0x20
#define			SCTL_ABRT_ENAB	0x10
#define			SCTL_PARITY_ENAB 0x08
#define			SCTL_SEL_ENAB	0x04
#define			SCTL_RESEL_ENAB	0x02
#define			SCTL_INTR_ENAB	0x01
	u_char	p36, scsi_scmd;
#define			SCMD_RST	0x10
#define			SCMD_ICPT_XFR	0x08
#define			SCMD_PROG_XFR	0x04
#define			SCMD_PAD	0x01	/* if initiator */
#define			SCMD_PERR_STOP	0x01	/* if target */
			/* command codes */
#define			SCMD_BUS_REL	0x00
#define			SCMD_SELECT	0x20
#define			SCMD_RST_ATN	0x40
#define			SCMD_SET_ATN	0x60
#define			SCMD_XFR	0x80
#define			SCMD_XFR_PAUSE	0xa0
#define			SCMD_RST_ACK	0xc0
#define			SCMD_SET_ACK	0xe0
	u_char	p38, scsi_tmod;
#define			TMOD_SYNC	0x80
	u_char	p40, scsi_ints;
#define			INTS_SEL	0x80
#define			INTS_RESEL	0x40
#define			INTS_DISCON	0x20
#define			INTS_CMD_DONE	0x10
#define			INTS_SRV_REQ	0x08
#define			INTS_TIMEOUT	0x04
#define			INTS_HARD_ERR	0x02
#define			INTS_RST	0x01
	u_char	p42, scsi_psns;
#define			PSNS_REQ	0x80
#define			PSNS_ACK	0x40
#define			PSNS_ATN	0x20
#define			PSNS_SEL	0x10
#define			PSNS_BSY	0x08
	u_char	p44, scsi_ssts;
#define			SSTS_INITIATOR	0x80
#define			SSTS_TARGET	0x40
#define			SSTS_BUSY	0x20
#define			SSTS_XFR	0x10
#define			SSTS_ACTIVE	(SSTS_INITIATOR|SSTS_XFR)
#define			SSTS_RST	0x08
#define			SSTS_TCZERO	0x04
#define			SSTS_DREG_FULL	0x02
#define			SSTS_DREG_EMPTY	0x01
	u_char	p46, scsi_serr;
#define			SERR_SCSI_PAR	0x80
#define			SERR_SPC_PAR	0x40
#define			SERR_TC_PAR	0x08
#define			SERR_PHASE_ERR	0x04
#define			SERR_SHORT_XFR	0x02
#define			SERR_OFFSET	0x01
	u_char	p48, scsi_pctl;
#define			PCTL_BFINT_ENAB	0x80
	u_char	p50, scsi_mbc;
	u_char	p52, scsi_dreg;
	u_char	p54, scsi_temp;
	u_char	p56, scsi_tch;
	u_char	p58, scsi_tcm;
	u_char	p60, scsi_tcl;
	u_char	p62, scsi_exbf;
};

/* psns/pctl phase lines as bits */
#define	PHASE_MSG	0x04
#define	PHASE_CD	0x02		/* =1 if 'command' */
#define	PHASE_IO	0x01		/* =1 if data inbound */
/* Phase lines as values */
#define	PHASE		0x07		/* mask for psns/pctl phase */
#define	DATA_OUT_PHASE	0x00
#define	DATA_IN_PHASE	0x01
#define	CMD_PHASE	0x02
#define	STATUS_PHASE	0x03
#define	BUS_FREE_PHASE	0x04
#define	ARB_SEL_PHASE	0x05	/* Fuji chip combines arbitration with sel. */
#define	MESG_OUT_PHASE	0x06
#define	MESG_IN_PHASE	0x07

/* SCSI Messages */

#define	MSG_CMD_COMPLETE	0x00
#define MSG_EXT_MESSAGE		0x01
#define	MSG_SAVE_DATA_PTR	0x02
#define	MSG_RESTORE_PTR		0x03
#define	MSG_DISCONNECT		0x04
#define	MSG_INIT_DETECT_ERROR	0x05
#define	MSG_ABORT		0x06
#define	MSG_REJECT		0x07
#define	MSG_NOOP		0x08
#define	MSG_PARITY_ERROR	0x09
#define	MSG_BUS_DEVICE_RESET	0x0C
#define	MSG_IDENTIFY		0x80
#define	MSG_IDENTIFY_DR		0xc0	/* (disconnect/reconnect allowed) */
#define	MSG_SYNC_REQ 		0x01

/* SCSI Commands */

#define CMD_TEST_UNIT_READY	0x00
#define CMD_REQUEST_SENSE	0x03
#define	CMD_INQUIRY		0x12
#define CMD_SEND_DIAGNOSTIC	0x1D

#define CMD_FORMAT_UNIT		0x04
#define CMD_REASSIGN_BLOCKS	0x07
#define CMD_READ		0x08
#define CMD_WRITE		0x0A
#define CMD_MODE_SELECT		0x15
#define CMD_RELEASE_UNIT	0x17
#define CMD_MODE_SENSE		0x1A
#define CMD_SEND_DIAG		0x1D
#define CMD_READ_CAPACITY	0x25
#define CMD_READ_EXT		0x28
#define CMD_WRITE_EXT		0x2A
#define CMD_READ_DEFECT_DATA	0x37
#define		SD_MANUFAC_DEFECTS	0x14000000
#define		SD_GROWN_DEFECTS	0x0c000000
#define CMD_READ_BUFFER		0x3B
#define CMD_WRITE_BUFFER	0x3C
#define CMD_READ_FULL		0xF0
#define CMD_MEDIA_TEST		0xF1
#define CMD_ACCESS_LOG		0xF2
#define CMD_WRITE_FULL		0xFC
#define CMD_MANAGE_PRIMARY	0xFD
#define CMD_EXECUTE_DATA	0xFE

/* SCSI status bits */

#define	STS_CHECKCOND	0x02	/* Check Condition (ie., read sense) */
#define	STS_CONDMET	0x04	/* Condition Met (ie., search worked) */
#define	STS_BUSY	0x08
#define	STS_INTERMED	0x10	/* Intermediate status sent */
#define	STS_EXT		0x80	/* Extended status valid */

/* command descriptor blocks */

struct scsi_cdb6 {
	u_char	cmd;		/* command code */
	u_char	lun:  3,	/* logical unit on ctlr */
		lbah: 5;	/* msb of read/write logical block addr */
	u_char	lbam;		/* middle byte of l.b.a. */
	u_char	lbal;		/* lsb of l.b.a. */
	u_char	len;		/* transfer length */
	u_char	xtra;
};

struct scsi_cdb10 {
	u_char	cmd;		/* command code */
	u_char	lun: 3,		/* logical unit on ctlr */
		   : 4,
		rel: 1;		/* l.b.a. is relative addr if =1 */
	u_char	lbah;		/* msb of read/write logical block addr */
	u_char	lbahm;		/* high middle byte of l.b.a. */
	u_char	lbalm;		/* low middle byte of l.b.a. */
	u_char	lbal;		/* lsb of l.b.a. */
	u_char	reserved;
	u_char	lenh;		/* msb transfer length */
	u_char	lenl;		/* lsb transfer length */
	u_char	xtra;
};

/* basic sense data */

struct scsi_sense {
	u_char	valid: 1,	/* l.b.a. is valid */
		class: 3,
		code:  4;
	u_char	vu:    4,	/* vendor unique */
		lbah:  4;
	u_char	lbam;
	u_char	lbal;
};

struct scsi_xsense {
	u_char	valid: 1,	/* l.b.a. is valid */
		class: 3,
		code:  4;
	u_char	segment;
	u_char	filemark: 1,
		eom:      1,
		ili:      1,	/* illegal length indicator */
		rsvd:	  1,
		key:	  4;
	u_char	info1;
	u_char	info2;
	u_char	info3;
	u_char	info4;
	u_char	len;		/* additional sense length */
};

/* inquiry data */
struct scsi_inquiry {
	u_char	type;
	u_char	qual;
	u_char	version;
	u_char	rsvd;
	u_char	len;
	char	class[3];
	char	vendor_id[8];
	char	product_id[16];
	char	rev[4];
};

struct scsi_format_parms {		/* physical BFI format */
	u_short	reserved;
	u_short	list_len;
	struct defect {
		unsigned cyl  : 24;
		unsigned head : 8;
		long	bytes_from_index;
	} defect[127];
} format_parms;

struct scsi_reassign_parms {
	u_short	reserved;
	u_short	list_len;	/* length in bytes of defects only */
	struct new_defect {
		unsigned lba;	/* logical block address */
	} new_defect[2];
} reassign_parms;

struct scsi_modesel_hdr {
	u_char	rsvd1;
	u_char	media_type;
	u_char 	rsvd2;
	u_char	block_desc_len;
	u_int	density		: 8;
	u_int	number_blocks	:24;
	u_int	rsvd3		: 8;
	u_int	block_length	:24;
}; 

struct scsi_modesense_hdr {
	u_char	len;
	u_char	media_type;
	u_char 	wp    : 1;
	u_char 	rsvd1 : 7;
	u_char	block_desc_len;
	u_int	density		: 8;
	u_int	number_blocks	:24;
	u_int	rsvd2		: 8;
	u_int	block_length	:24;
}; 

/*
 * Mode Select / Mode sense "pages"
 */

/*
 * Page One - Error Recovery Parameters 
 */
struct scsi_err_recovery {
	u_char	page_savable	: 1;	/* save parameters */
	u_char	reserved	: 1;
	u_char	page_code	: 6;	/* = 0x01 */
	u_char	page_length;		/* = 6 */
	u_char	awre		: 1;	/* auto write realloc enabled */
	u_char	arre		: 1;	/* auto read realloc enabled */
	u_char	tb		: 1;	/* transfer block */
	u_char 	rc		: 1;	/* read continuous */
	u_char	eec		: 1;	/* enable early correction */
	u_char	per		: 1;	/* post error */
	u_char	dte		: 1;	/* disable transfer on error */
	u_char	dcr		: 1;	/* disable correction */
	u_char	retry_count;
	u_char	correction_span;
	u_char	head_offset_count;
	u_char	strobe_offset_count;
	u_char	recovery_time_limit;
};

/*
 * Page Two - Disconnect / Reconnect Control Parameters
 */
struct scsi_disco_reco {
	u_char	page_savable	: 1;	/* save parameters */
	u_char	rsvd		: 1;
	u_char	page_code	: 6;	/* = 0x02 */
	u_char	page_length;		/* = 10 */
	u_char	buffer_full_ratio;	/* write, how full before reconnect? */
	u_char	buffer_empty_ratio;	/* read, how full before reconnect? */

	u_short	bus_inactivity_limit;	/* how much bus time for busy */
	u_short	disconnect_time_limit;	/* min to remain disconnected */
	u_short	connect_time_limit;	/* min to remain connected */
	u_short	reserved_1;
};

/*
 * Page Three - Direct Access Device Format Parameters
 */
struct scsi_format {
	u_char	page_savable	: 1;	/* save parameters */
	u_char	rsvd		: 1;
	u_char	page_code	: 6;	/* = 0x03 */
	u_char	page_length;		/* = 22 */
	u_short	tracks_per_zone;	/*  Handling of Defects Fields */
	u_short	alt_sect_zone;
	u_short alt_tracks_zone;
	u_short	alt_tracks_vol;
	u_short	sect_track;		/* Track Format Field */
	u_short data_sect;		/* Sector Format Fields */
	u_short	interleave;
	u_short	track_skew_factor;
	u_short	cyl_skew_factor;
	u_char	ssec		: 1;	/* Drive Type Field */
	u_char	hsec		: 1;
	u_char	rmb		: 1;
	u_char	surf		: 1;
	u_char	ins		: 1;
	u_char	reserved_1	: 3;
	u_char	reserved_2;
	u_char	reserved_3;
	u_char	reserved_4;
};

/*
 * Page Four - Rigid Disk Drive Geometry Parameters 
 */
struct scsi_geometry {
	u_char	page_savable	: 1;	/* save parameters */
	u_char	rsvd		: 1;
	u_char	page_code	: 6;	/* = 0x04 */
	u_char	page_length;		/* = 18 */
	u_char	cyl_ub;			/* number of cylinders */
	u_char	cyl_mb;
	u_char	cyl_lb;
	u_char	heads;			/* number of heads */
	u_char	precomp_cyl_ub;		/* cylinder to start precomp */
	u_char	precomp_cyl_mb;
	u_char	precomp_cyl_lb;
	u_char	current_cyl_ub;		/* cyl to start reduced current */
	u_char	current_cyl_mb;
	u_char	current_cyl_lb;
	u_short	step_rate;		/* drive step rate */
	u_char	landing_cyl_ub;		/* landing zone cylinder */
	u_char	landing_cyl_mb;
	u_char	landing_cyl_lb;
	u_char	reserved_1;
	u_char	reserved_2;
	u_char	reserved_3;
};

/*
 * Page 0x38 - Cache Control Parameters
 */
struct scsi_cache {
	u_char	page_savable	: 1;	/* save parameters */
	u_char	rsvd		: 1;
	u_char	page_code	: 6;	/* = 0x38 */
	u_char	page_length;		/* = 14 */
	u_char rsvd_1	: 1;
	u_char wie	: 1; 		/* write index enable */
	u_char rsvd_2	: 1;
	u_char ce	: 1; 		/* cache enable */
	u_char table_size : 4;
	u_char	prefetch_threshold;
	u_char	maximum_threshold;
	u_char	maximumprefetch_multiplier;
	u_char	minimum_threshold;
	u_char	minimum_prefetch_multiplier;
	u_char	reserved[8];
};

/*
 * Driver ioctl's for various scsi operations.
 */
#ifndef _IOCTL_
#include "ioctl.h"
#endif

/*
 * Control for SCSI "format" mode.
 *
 * "Format" mode allows a privileged process to issue direct SCSI
 * commands to a drive (it is intended primarily to allow on-line
 * formatting).  SDIOCSFORMAT with a non-zero arg will put the drive
 * into format mode; a zero arg will take it out.  When in format
 * mode, only the process that issued the SDIOCFORMAT can read or
 * write the drive.
 *
 * In format mode, process is expected to
 *	- do SDIOCSCSICOMMAND to supply cdb for next SCSI op
 *	- do read or write as appropriate for cdb
 *	- if i/o error, optionally do SDIOCSENSE to get completion
 *	  status and sense data from last scsi operation.
 */

struct scsi_fmt_cdb {
	int len;		/* cdb length (in bytes) */
	u_char cdb[28];		/* cdb to use on next read/write */
};

struct scsi_fmt_sense {
	u_int status;		/* completion status of last op */
	u_char sense[28];	/* sense data (if any) from last op */
};

#define	SDIOCSFORMAT		_IOW('S', 0x1, int)
#define	SDIOCGFORMAT		_IOR('S', 0x2, int)
#define	SDIOCSCSICOMMAND	_IOW('S', 0x3, struct scsi_fmt_cdb)
#define	SDIOCSENSE		_IOR('S', 0x4, struct scsi_fmt_sense)
Commit	Line	Data
60f56dfc KM	1	/*
	2	* Copyright (c) 1990 The Regents of the University of California.
	3	* All rights reserved.
	4	*
	5	* This code is derived from software contributed to Berkeley by
	6	* Van Jacobson of Lawrence Berkeley Laboratory.
	7	*
1c15e888 C	8	* Redistribution is only permitted until one year after the first shipment
	9	* of 4.4BSD by the Regents. Otherwise, redistribution and use in source and
	10	* binary forms are permitted provided that: (1) source distributions retain
	11	* this entire copyright notice and comment, and (2) distributions including
	12	* binaries display the following acknowledgement: This product includes
	13	* software developed by the University of California, Berkeley and its
	14	* contributors'' in the documentation or other materials provided with the
	15	* distribution and in all advertising materials mentioning features or use
	16	* of this software. Neither the name of the University nor the names of
	17	* its contributors may be used to endorse or promote products derived from
	18	* this software without specific prior written permission.
	19	* THIS SOFTWARE IS PROVIDED AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
	20	* WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
	21	* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
60f56dfc	22	*
1c15e888	23	* @(#)scsireg.h 7.1 (Berkeley) 5/8/90
60f56dfc KM	24	*/
	25
	26	/*
	27	* HP 98265A SCSI Interface Hardware Description.
	28	*/
	29
	30	struct scsidevice {
	31	u_char p0, scsi_id;
	32	#define ID_MASK 0x1f
	33	#define SCSI_ID 0x07
	34	#define ID_WORD_DMA 0x20
	35	u_char p2, scsi_csr;
	36	#define CSR_IE 0x80
	37	#define CSR_IR 0x40
	38	#define SCSI_IPL(csr) ((((csr)>>4)&3)+3)
	39	#define CSR_DMA32 0x08
	40	#define CSR_DMAIN 0x04
	41	#define CSR_DE1 0x02
	42	#define CSR_DE0 0x01
	43	u_char p4, scsi_wrap;
	44	#define WRAP_REQ 0x80
	45	#define WRAP_ACK 0x40
	46	#define WRAP_BSY 0x08
	47	#define WRAP_MSG 0x04
	48	#define WRAP_CD 0x02
	49	#define WRAP_IO 0x01
	50	u_char p6, scsi_hconf;
	51	#define HCONF_TP 0x80
	52	#define SCSI_SYNC_XFER(hconf) (((hconf)>>5)&3)
	53	#define HCONF_SD 0x10
	54	#define HCONF_PARITY 0x08
	55	u_char p8[24];
	56	u_char p32, scsi_bdid;
	57	u_char p34, scsi_sctl;
	58	#define SCTL_DISABLE 0x80
	59	#define SCTL_CTRLRST 0x40
	60	#define SCTL_DIAG 0x20
	61	#define SCTL_ABRT_ENAB 0x10
	62	#define SCTL_PARITY_ENAB 0x08
	63	#define SCTL_SEL_ENAB 0x04
	64	#define SCTL_RESEL_ENAB 0x02
	65	#define SCTL_INTR_ENAB 0x01
	66	u_char p36, scsi_scmd;
	67	#define SCMD_RST 0x10
	68	#define SCMD_ICPT_XFR 0x08
	69	#define SCMD_PROG_XFR 0x04
	70	#define SCMD_PAD 0x01 /* if initiator */
	71	#define SCMD_PERR_STOP 0x01 /* if target */
	72	/* command codes */
	73	#define SCMD_BUS_REL 0x00
	74	#define SCMD_SELECT 0x20
	75	#define SCMD_RST_ATN 0x40
	76	#define SCMD_SET_ATN 0x60
	77	#define SCMD_XFR 0x80
	78	#define SCMD_XFR_PAUSE 0xa0
	79	#define SCMD_RST_ACK 0xc0
	80	#define SCMD_SET_ACK 0xe0
	81	u_char p38, scsi_tmod;
	82	#define TMOD_SYNC 0x80
	83	u_char p40, scsi_ints;
	84	#define INTS_SEL 0x80
	85	#define INTS_RESEL 0x40
	86	#define INTS_DISCON 0x20
	87	#define INTS_CMD_DONE 0x10
88	#define INTS_SRV_REQ 0x08
89	#define INTS_TIMEOUT 0x04
90	#define INTS_HARD_ERR 0x02
91	#define INTS_RST 0x01
92	u_char p42, scsi_psns;
93	#define PSNS_REQ 0x80
94	#define PSNS_ACK 0x40
95	#define PSNS_ATN 0x20
96	#define PSNS_SEL 0x10
97	#define PSNS_BSY 0x08
98	u_char p44, scsi_ssts;
99	#define SSTS_INITIATOR 0x80
100	#define SSTS_TARGET 0x40
101	#define SSTS_BUSY 0x20
102	#define SSTS_XFR 0x10
103	#define SSTS_ACTIVE (SSTS_INITIATOR\|SSTS_XFR)
104	#define SSTS_RST 0x08
105	#define SSTS_TCZERO 0x04
106	#define SSTS_DREG_FULL 0x02
107	#define SSTS_DREG_EMPTY 0x01
108	u_char p46, scsi_serr;
109	#define SERR_SCSI_PAR 0x80
110	#define SERR_SPC_PAR 0x40
111	#define SERR_TC_PAR 0x08
112	#define SERR_PHASE_ERR 0x04
113	#define SERR_SHORT_XFR 0x02
114	#define SERR_OFFSET 0x01
115	u_char p48, scsi_pctl;
116	#define PCTL_BFINT_ENAB 0x80
117	u_char p50, scsi_mbc;
118	u_char p52, scsi_dreg;
119	u_char p54, scsi_temp;
120	u_char p56, scsi_tch;
121	u_char p58, scsi_tcm;
122	u_char p60, scsi_tcl;
123	u_char p62, scsi_exbf;
124	};
125
126	/* psns/pctl phase lines as bits */
127	#define PHASE_MSG 0x04
128	#define PHASE_CD 0x02 /* =1 if 'command' */
129	#define PHASE_IO 0x01 /* =1 if data inbound */
130	/* Phase lines as values */
131	#define PHASE 0x07 /* mask for psns/pctl phase */
132	#define DATA_OUT_PHASE 0x00
133	#define DATA_IN_PHASE 0x01
134	#define CMD_PHASE 0x02
135	#define STATUS_PHASE 0x03
136	#define BUS_FREE_PHASE 0x04
137	#define ARB_SEL_PHASE 0x05 /* Fuji chip combines arbitration with sel. */
138	#define MESG_OUT_PHASE 0x06
139	#define MESG_IN_PHASE 0x07
140
141	/* SCSI Messages */
142
143	#define MSG_CMD_COMPLETE 0x00
144	#define MSG_EXT_MESSAGE 0x01
145	#define MSG_SAVE_DATA_PTR 0x02
146	#define MSG_RESTORE_PTR 0x03
147	#define MSG_DISCONNECT 0x04
148	#define MSG_INIT_DETECT_ERROR 0x05
149	#define MSG_ABORT 0x06
150	#define MSG_REJECT 0x07
151	#define MSG_NOOP 0x08
152	#define MSG_PARITY_ERROR 0x09
153	#define MSG_BUS_DEVICE_RESET 0x0C
154	#define MSG_IDENTIFY 0x80
155	#define MSG_IDENTIFY_DR 0xc0 /* (disconnect/reconnect allowed) */
156	#define MSG_SYNC_REQ 0x01
157
158	/* SCSI Commands */
159
160	#define CMD_TEST_UNIT_READY 0x00
161	#define CMD_REQUEST_SENSE 0x03
162	#define CMD_INQUIRY 0x12
163	#define CMD_SEND_DIAGNOSTIC 0x1D
164
165	#define CMD_FORMAT_UNIT 0x04
166	#define CMD_REASSIGN_BLOCKS 0x07
167	#define CMD_READ 0x08
168	#define CMD_WRITE 0x0A
169	#define CMD_MODE_SELECT 0x15
170	#define CMD_RELEASE_UNIT 0x17
171	#define CMD_MODE_SENSE 0x1A
172	#define CMD_SEND_DIAG 0x1D
173	#define CMD_READ_CAPACITY 0x25
174	#define CMD_READ_EXT 0x28
175	#define CMD_WRITE_EXT 0x2A
176	#define CMD_READ_DEFECT_DATA 0x37
177	#define SD_MANUFAC_DEFECTS 0x14000000
178	#define SD_GROWN_DEFECTS 0x0c000000
179	#define CMD_READ_BUFFER 0x3B
180	#define CMD_WRITE_BUFFER 0x3C
181	#define CMD_READ_FULL 0xF0
182	#define CMD_MEDIA_TEST 0xF1
183	#define CMD_ACCESS_LOG 0xF2
184	#define CMD_WRITE_FULL 0xFC
185	#define CMD_MANAGE_PRIMARY 0xFD
186	#define CMD_EXECUTE_DATA 0xFE
187
188	/* SCSI status bits */
189
190	#define STS_CHECKCOND 0x02 /* Check Condition (ie., read sense) */
191	#define STS_CONDMET 0x04 /* Condition Met (ie., search worked) */
192	#define STS_BUSY 0x08
193	#define STS_INTERMED 0x10 /* Intermediate status sent */
194	#define STS_EXT 0x80 /* Extended status valid */
195
196	/* command descriptor blocks */
197
198	struct scsi_cdb6 {
199	u_char cmd; /* command code */
200	u_char lun: 3, /* logical unit on ctlr */
201	lbah: 5; /* msb of read/write logical block addr */
202	u_char lbam; /* middle byte of l.b.a. */
203	u_char lbal; /* lsb of l.b.a. */
204	u_char len; /* transfer length */
205	u_char xtra;
206	};
207
208	struct scsi_cdb10 {
209	u_char cmd; /* command code */
210	u_char lun: 3, /* logical unit on ctlr */
211	: 4,
212	rel: 1; /* l.b.a. is relative addr if =1 */
213	u_char lbah; /* msb of read/write logical block addr */
214	u_char lbahm; /* high middle byte of l.b.a. */
215	u_char lbalm; /* low middle byte of l.b.a. */
216	u_char lbal; /* lsb of l.b.a. */
217	u_char reserved;
218	u_char lenh; /* msb transfer length */
219	u_char lenl; /* lsb transfer length */
220	u_char xtra;
221	};
222
223	/* basic sense data */
224
225	struct scsi_sense {
226	u_char valid: 1, /* l.b.a. is valid */
227	class: 3,
228	code: 4;
229	u_char vu: 4, /* vendor unique */
230	lbah: 4;
231	u_char lbam;
232	u_char lbal;
233	};
234
235	struct scsi_xsense {
236	u_char valid: 1, /* l.b.a. is valid */
237	class: 3,
238	code: 4;
239	u_char segment;
240	u_char filemark: 1,
241	eom: 1,
242	ili: 1, /* illegal length indicator */
243	rsvd: 1,
244	key: 4;
245	u_char info1;
246	u_char info2;
247	u_char info3;
248	u_char info4;
249	u_char len; /* additional sense length */
250	};
251
252	/* inquiry data */
253	struct scsi_inquiry {
254	u_char type;
255	u_char qual;
256	u_char version;
257	u_char rsvd;
258	u_char len;
259	char class[3];
260	char vendor_id[8];
261	char product_id[16];
262	char rev[4];
263	};
264
265	struct scsi_format_parms { /* physical BFI format */
266	u_short reserved;
267	u_short list_len;
268	struct defect {
269	unsigned cyl : 24;
270	unsigned head : 8;
271	long bytes_from_index;
272	} defect[127];
273	} format_parms;
274
275	struct scsi_reassign_parms {
276	u_short reserved;
277	u_short list_len; /* length in bytes of defects only */
278	struct new_defect {
279	unsigned lba; /* logical block address */
280	} new_defect[2];
281	} reassign_parms;
282
283	struct scsi_modesel_hdr {
284	u_char rsvd1;
285	u_char media_type;
286	u_char rsvd2;
287	u_char block_desc_len;
288	u_int density : 8;
289	u_int number_blocks :24;
290	u_int rsvd3 : 8;
291	u_int block_length :24;
292	};
293
294	struct scsi_modesense_hdr {
295	u_char len;
296	u_char media_type;
297	u_char wp : 1;
298	u_char rsvd1 : 7;
299	u_char block_desc_len;
300	u_int density : 8;
301	u_int number_blocks :24;
302	u_int rsvd2 : 8;
303	u_int block_length :24;
304	};
305
306	/*
307	* Mode Select / Mode sense "pages"
308	*/
309
310	/*
311	* Page One - Error Recovery Parameters
312	*/
313	struct scsi_err_recovery {
314	u_char page_savable : 1; /* save parameters */
315	u_char reserved : 1;
316	u_char page_code : 6; /* = 0x01 */
317	u_char page_length; /* = 6 */
318	u_char awre : 1; /* auto write realloc enabled */
319	u_char arre : 1; /* auto read realloc enabled */
320	u_char tb : 1; /* transfer block */
321	u_char rc : 1; /* read continuous */
322	u_char eec : 1; /* enable early correction */
323	u_char per : 1; /* post error */
324	u_char dte : 1; /* disable transfer on error */
325	u_char dcr : 1; /* disable correction */
326	u_char retry_count;
327	u_char correction_span;
328	u_char head_offset_count;
329	u_char strobe_offset_count;
330	u_char recovery_time_limit;
331	};
332
333	/*
334	* Page Two - Disconnect / Reconnect Control Parameters
335	*/
336	struct scsi_disco_reco {
337	u_char page_savable : 1; /* save parameters */
338	u_char rsvd : 1;
339	u_char page_code : 6; /* = 0x02 */
340	u_char page_length; /* = 10 */
341	u_char buffer_full_ratio; /* write, how full before reconnect? */
342	u_char buffer_empty_ratio; /* read, how full before reconnect? */
343
344	u_short bus_inactivity_limit; /* how much bus time for busy */
345	u_short disconnect_time_limit; /* min to remain disconnected */
346	u_short connect_time_limit; /* min to remain connected */
347	u_short reserved_1;
348	};
349
350	/*
351	* Page Three - Direct Access Device Format Parameters
352	*/
353	struct scsi_format {
354	u_char page_savable : 1; /* save parameters */
355	u_char rsvd : 1;
356	u_char page_code : 6; /* = 0x03 */
357	u_char page_length; /* = 22 */
358	u_short tracks_per_zone; /* Handling of Defects Fields */
359	u_short alt_sect_zone;
360	u_short alt_tracks_zone;
361	u_short alt_tracks_vol;
362	u_short sect_track; /* Track Format Field */
363	u_short data_sect; /* Sector Format Fields */
364	u_short interleave;
365	u_short track_skew_factor;
366	u_short cyl_skew_factor;
367	u_char ssec : 1; /* Drive Type Field */
368	u_char hsec : 1;
369	u_char rmb : 1;
370	u_char surf : 1;
371	u_char ins : 1;
372	u_char reserved_1 : 3;
373	u_char reserved_2;
374	u_char reserved_3;
375	u_char reserved_4;
376	};
377
378	/*
379	* Page Four - Rigid Disk Drive Geometry Parameters
380	*/
381	struct scsi_geometry {
382	u_char page_savable : 1; /* save parameters */
383	u_char rsvd : 1;
384	u_char page_code : 6; /* = 0x04 */
385	u_char page_length; /* = 18 */
386	u_char cyl_ub; /* number of cylinders */
387	u_char cyl_mb;
388	u_char cyl_lb;
389	u_char heads; /* number of heads */
390	u_char precomp_cyl_ub; /* cylinder to start precomp */
391	u_char precomp_cyl_mb;
392	u_char precomp_cyl_lb;
393	u_char current_cyl_ub; /* cyl to start reduced current */
394	u_char current_cyl_mb;
395	u_char current_cyl_lb;
396	u_short step_rate; /* drive step rate */
397	u_char landing_cyl_ub; /* landing zone cylinder */
398	u_char landing_cyl_mb;
399	u_char landing_cyl_lb;
400	u_char reserved_1;
401	u_char reserved_2;
402	u_char reserved_3;
403	};
404
405	/*
406	* Page 0x38 - Cache Control Parameters
407	*/
408	struct scsi_cache {
409	u_char page_savable : 1; /* save parameters */
410	u_char rsvd : 1;
411	u_char page_code : 6; /* = 0x38 */
412	u_char page_length; /* = 14 */
413	u_char rsvd_1 : 1;
414	u_char wie : 1; /* write index enable */
415	u_char rsvd_2 : 1;
416	u_char ce : 1; /* cache enable */
417	u_char table_size : 4;
418	u_char prefetch_threshold;
419	u_char maximum_threshold;
420	u_char maximumprefetch_multiplier;
421	u_char minimum_threshold;
422	u_char minimum_prefetch_multiplier;
423	u_char reserved[8];
424	};
425
426	/*
427	* Driver ioctl's for various scsi operations.
428	*/
429	#ifndef _IOCTL_
1c15e888	430	#include "ioctl.h"
60f56dfc KM	431	#endif
	432
	433	/*
	434	* Control for SCSI "format" mode.
	435	*
	436	* "Format" mode allows a privileged process to issue direct SCSI
	437	* commands to a drive (it is intended primarily to allow on-line
	438	* formatting). SDIOCSFORMAT with a non-zero arg will put the drive
	439	* into format mode; a zero arg will take it out. When in format
	440	* mode, only the process that issued the SDIOCFORMAT can read or
	441	* write the drive.
	442	*
	443	* In format mode, process is expected to
	444	* - do SDIOCSCSICOMMAND to supply cdb for next SCSI op
	445	* - do read or write as appropriate for cdb
	446	* - if i/o error, optionally do SDIOCSENSE to get completion
	447	* status and sense data from last scsi operation.
	448	*/
	449
	450	struct scsi_fmt_cdb {
	451	int len; /* cdb length (in bytes) */
	452	u_char cdb[28]; /* cdb to use on next read/write */
	453	};
	454
	455	struct scsi_fmt_sense {
	456	u_int status; /* completion status of last op */
	457	u_char sense[28]; /* sense data (if any) from last op */
	458	};
	459
	460	#define SDIOCSFORMAT _IOW('S', 0x1, int)
	461	#define SDIOCGFORMAT _IOR('S', 0x2, int)
	462	#define SDIOCSCSICOMMAND _IOW('S', 0x3, struct scsi_fmt_cdb)
	463	#define SDIOCSENSE _IOR('S', 0x4, struct scsi_fmt_sense)