xref: /csrg-svn/sys/luna68k/dev/screg.h (revision 65038)
1*65038Sakito /*
2*65038Sakito  * Copyright (c) 1990, 1992, 1993
3*65038Sakito  *	The Regents of the University of California.  All rights reserved.
4*65038Sakito  *
5*65038Sakito  * This code is derived from software contributed to Berkeley by
6*65038Sakito  * Van Jacobson of Lawrence Berkeley Laboratory.
7*65038Sakito  *
8*65038Sakito  * %sccs.include.redist.c%
9*65038Sakito  *
10*65038Sakito  *	@(#)screg.h	8.1 (Berkeley) 12/06/93
11*65038Sakito  */
12*65038Sakito 
13*65038Sakito /*
14*65038Sakito  * MB89352 SCSI Protocol Controller Hardware Description.
15*65038Sakito  */
16*65038Sakito 
17*65038Sakito struct scsidevice {
18*65038Sakito 	u_char	scsi_bdid, p0, p1, p2;		/* 000 */
19*65038Sakito 	u_char	scsi_sctl, p3, p4, p5;		/* 004 */
20*65038Sakito #define			SCTL_DISABLE	0x80
21*65038Sakito #define			SCTL_CTRLRST	0x40
22*65038Sakito #define			SCTL_DIAG	0x20
23*65038Sakito #define			SCTL_ABRT_ENAB	0x10
24*65038Sakito #define			SCTL_PARITY_ENAB 0x08
25*65038Sakito #define			SCTL_SEL_ENAB	0x04
26*65038Sakito #define			SCTL_RESEL_ENAB	0x02
27*65038Sakito #define			SCTL_INTR_ENAB	0x01
28*65038Sakito 	u_char	scsi_scmd, p6, p7, p8;		/* 008 */
29*65038Sakito #define			SCMD_RST	0x10
30*65038Sakito #define			SCMD_ICPT_XFR	0x08
31*65038Sakito #define			SCMD_PROG_XFR	0x04
32*65038Sakito #define			SCMD_PAD	0x01	/* if initiator */
33*65038Sakito #define			SCMD_PERR_STOP	0x01	/* if target */
34*65038Sakito 			/* command codes */
35*65038Sakito #define			SCMD_BUS_REL	0x00
36*65038Sakito #define			SCMD_SELECT	0x20
37*65038Sakito #define			SCMD_RST_ATN	0x40
38*65038Sakito #define			SCMD_SET_ATN	0x60
39*65038Sakito #define			SCMD_XFR	0x80
40*65038Sakito #define			SCMD_XFR_PAUSE	0xa0
41*65038Sakito #define			SCMD_RST_ACK	0xc0
42*65038Sakito #define			SCMD_SET_ACK	0xe0
43*65038Sakito 	u_char	scsi_tmod, p9, p10, p11;	/* 00C */
44*65038Sakito #define			TMOD_SYNC	0x80
45*65038Sakito 	u_char	scsi_ints, p12, p13, p14;	/* 010 */
46*65038Sakito #define			INTS_SEL	0x80
47*65038Sakito #define			INTS_RESEL	0x40
48*65038Sakito #define			INTS_DISCON	0x20
49*65038Sakito #define			INTS_CMD_DONE	0x10
50*65038Sakito #define			INTS_SRV_REQ	0x08
51*65038Sakito #define			INTS_TIMEOUT	0x04
52*65038Sakito #define			INTS_HARD_ERR	0x02
53*65038Sakito #define			INTS_RST	0x01
54*65038Sakito 	u_char	scsi_psns, p15, p16, p17;	/* 014 */
55*65038Sakito #define			PSNS_REQ	0x80
56*65038Sakito #define			PSNS_ACK	0x40
57*65038Sakito #define			PSNS_ATN	0x20
58*65038Sakito #define			PSNS_SEL	0x10
59*65038Sakito #define			PSNS_BSY	0x08
60*65038Sakito #define		scsi_sdgc scsi_psns
61*65038Sakito #define			SDGC_XFER_ENAB	0x20
62*65038Sakito 	u_char	scsi_ssts, p18, p19, p20;	/* 018 */
63*65038Sakito #define			SSTS_INITIATOR	0x80
64*65038Sakito #define			SSTS_TARGET	0x40
65*65038Sakito #define			SSTS_BUSY	0x20
66*65038Sakito #define			SSTS_XFR	0x10
67*65038Sakito #define			SSTS_ACTIVE	(SSTS_INITIATOR|SSTS_XFR)
68*65038Sakito #define			SSTS_RST	0x08
69*65038Sakito #define			SSTS_TCZERO	0x04
70*65038Sakito #define			SSTS_DREG_FULL	0x02
71*65038Sakito #define			SSTS_DREG_EMPTY	0x01
72*65038Sakito 	u_char	scsi_serr, p21, p22, p23;	/* 01C */
73*65038Sakito #define			SERR_SCSI_PAR	0x80
74*65038Sakito #define			SERR_SPC_PAR	0x40
75*65038Sakito #define			SERR_XFER_OUT	0x20
76*65038Sakito #define			SERR_TC_PAR	0x08
77*65038Sakito #define			SERR_PHASE_ERR	0x04
78*65038Sakito #define			SERR_SHORT_XFR	0x02
79*65038Sakito #define			SERR_OFFSET	0x01
80*65038Sakito 	u_char	scsi_pctl, p24, p25, p26;	/* 020 */
81*65038Sakito #define			PCTL_BFINT_ENAB	0x80
82*65038Sakito 	u_char	scsi_mbc,  p27, p28, p29;	/* 024 */
83*65038Sakito 	u_char	scsi_dreg, p30, p31, p32;	/* 028 */
84*65038Sakito 	u_char	scsi_temp, p33, p34, p35;	/* 02C */
85*65038Sakito 	u_char	scsi_tch,  p36, p37, p38;	/* 030 */
86*65038Sakito 	u_char	scsi_tcm,  p39, p40, p41;	/* 034 */
87*65038Sakito 	u_char	scsi_tcl,  p42, p43, p44;	/* 038 */
88*65038Sakito 	u_char	scsi_exbf, p45, p46, p47;	/* 03C */
89*65038Sakito };
90*65038Sakito 
91*65038Sakito /* psns/pctl phase lines as bits */
92*65038Sakito #define	PHASE_MSG	0x04
93*65038Sakito #define	PHASE_CD	0x02		/* =1 if 'command' */
94*65038Sakito #define	PHASE_IO	0x01		/* =1 if data inbound */
95*65038Sakito /* Phase lines as values */
96*65038Sakito #define	PHASE		0x07		/* mask for psns/pctl phase */
97*65038Sakito #define	DATA_OUT_PHASE	0x00
98*65038Sakito #define	DATA_IN_PHASE	0x01
99*65038Sakito #define	CMD_PHASE	0x02
100*65038Sakito #define	STATUS_PHASE	0x03
101*65038Sakito #define	BUS_FREE_PHASE	0x04
102*65038Sakito #define	ARB_SEL_PHASE	0x05	/* Fuji chip combines arbitration with sel. */
103*65038Sakito #define	MESG_OUT_PHASE	0x06
104*65038Sakito #define	MESG_IN_PHASE	0x07
105*65038Sakito 
106*65038Sakito /* SCSI Messages */
107*65038Sakito 
108*65038Sakito #define	MSG_CMD_COMPLETE	0x00
109*65038Sakito #define MSG_EXT_MESSAGE		0x01
110*65038Sakito #define	MSG_SAVE_DATA_PTR	0x02
111*65038Sakito #define	MSG_RESTORE_PTR		0x03
112*65038Sakito #define	MSG_DISCONNECT		0x04
113*65038Sakito #define	MSG_INIT_DETECT_ERROR	0x05
114*65038Sakito #define	MSG_ABORT		0x06
115*65038Sakito #define	MSG_REJECT		0x07
116*65038Sakito #define	MSG_NOOP		0x08
117*65038Sakito #define	MSG_PARITY_ERROR	0x09
118*65038Sakito #define	MSG_BUS_DEVICE_RESET	0x0C
119*65038Sakito #define	MSG_IDENTIFY		0x80
120*65038Sakito #define	MSG_IDENTIFY_DR		0xc0	/* (disconnect/reconnect allowed) */
121*65038Sakito #define	MSG_SYNC_REQ 		0x01
122*65038Sakito 
123*65038Sakito /* SCSI Commands */
124*65038Sakito 
125*65038Sakito #define CMD_TEST_UNIT_READY	0x00
126*65038Sakito #define CMD_REQUEST_SENSE	0x03
127*65038Sakito #define	CMD_INQUIRY		0x12
128*65038Sakito #define CMD_SEND_DIAGNOSTIC	0x1D
129*65038Sakito 
130*65038Sakito #define CMD_REWIND		0x01
131*65038Sakito #define CMD_FORMAT_UNIT		0x04
132*65038Sakito #define CMD_READ_BLOCK_LIMITS	0x05
133*65038Sakito #define CMD_REASSIGN_BLOCKS	0x07
134*65038Sakito #define CMD_READ		0x08
135*65038Sakito #define CMD_WRITE		0x0A
136*65038Sakito #define CMD_WRITE_FILEMARK	0x10
137*65038Sakito #define CMD_SPACE		0x11
138*65038Sakito #define CMD_MODE_SELECT		0x15
139*65038Sakito #define CMD_RELEASE_UNIT	0x17
140*65038Sakito #define CMD_ERASE		0x19
141*65038Sakito #define CMD_MODE_SENSE		0x1A
142*65038Sakito #define CMD_LOADUNLOAD		0x1B
143*65038Sakito #define CMD_RECEIVE_DIAG	0x1C
144*65038Sakito #define CMD_SEND_DIAG		0x1D
145*65038Sakito #define CMD_P_A_MEDIA_REMOVAL	0x1E
146*65038Sakito #define CMD_READ_CAPACITY	0x25
147*65038Sakito #define CMD_READ_EXT		0x28
148*65038Sakito #define CMD_WRITE_EXT		0x2A
149*65038Sakito #define CMD_READ_DEFECT_DATA	0x37
150*65038Sakito #define		SD_MANUFAC_DEFECTS	0x14000000
151*65038Sakito #define		SD_GROWN_DEFECTS	0x0c000000
152*65038Sakito #define CMD_READ_BUFFER		0x3B
153*65038Sakito #define CMD_WRITE_BUFFER	0x3C
154*65038Sakito #define CMD_READ_FULL		0xF0
155*65038Sakito #define CMD_MEDIA_TEST		0xF1
156*65038Sakito #define CMD_ACCESS_LOG		0xF2
157*65038Sakito #define CMD_WRITE_FULL		0xFC
158*65038Sakito #define CMD_MANAGE_PRIMARY	0xFD
159*65038Sakito #define CMD_EXECUTE_DATA	0xFE
160*65038Sakito 
161*65038Sakito /* SCSI status bits */
162*65038Sakito 
163*65038Sakito #define	STS_CHECKCOND	0x02	/* Check Condition (ie., read sense) */
164*65038Sakito #define	STS_CONDMET	0x04	/* Condition Met (ie., search worked) */
165*65038Sakito #define	STS_BUSY	0x08
166*65038Sakito #define	STS_INTERMED	0x10	/* Intermediate status sent */
167*65038Sakito #define	STS_EXT		0x80	/* Extended status valid */
168*65038Sakito 
169*65038Sakito /* command descriptor blocks */
170*65038Sakito 
171*65038Sakito struct scsi_cdb6 {
172*65038Sakito 	u_char	cmd;		/* command code */
173*65038Sakito 	u_char	lun:  3,	/* logical unit on ctlr */
174*65038Sakito 		lbah: 5;	/* msb of read/write logical block addr */
175*65038Sakito 	u_char	lbam;		/* middle byte of l.b.a. */
176*65038Sakito 	u_char	lbal;		/* lsb of l.b.a. */
177*65038Sakito 	u_char	len;		/* transfer length */
178*65038Sakito 	u_char	xtra;
179*65038Sakito };
180*65038Sakito 
181*65038Sakito struct scsi_cdb10 {
182*65038Sakito 	u_char	cmd;		/* command code */
183*65038Sakito 	u_char	lun: 3,		/* logical unit on ctlr */
184*65038Sakito 		   : 4,
185*65038Sakito 		rel: 1;		/* l.b.a. is relative addr if =1 */
186*65038Sakito 	u_char	lbah;		/* msb of read/write logical block addr */
187*65038Sakito 	u_char	lbahm;		/* high middle byte of l.b.a. */
188*65038Sakito 	u_char	lbalm;		/* low middle byte of l.b.a. */
189*65038Sakito 	u_char	lbal;		/* lsb of l.b.a. */
190*65038Sakito 	u_char	reserved;
191*65038Sakito 	u_char	lenh;		/* msb transfer length */
192*65038Sakito 	u_char	lenl;		/* lsb transfer length */
193*65038Sakito 	u_char	xtra;
194*65038Sakito };
195*65038Sakito 
196*65038Sakito /* basic sense data */
197*65038Sakito 
198*65038Sakito struct scsi_sense {
199*65038Sakito 	u_char	valid: 1,	/* l.b.a. is valid */
200*65038Sakito 		class: 3,
201*65038Sakito 		code:  4;
202*65038Sakito 	u_char	vu:    4,	/* vendor unique */
203*65038Sakito 		lbah:  4;
204*65038Sakito 	u_char	lbam;
205*65038Sakito 	u_char	lbal;
206*65038Sakito };
207*65038Sakito 
208*65038Sakito struct scsi_xsense {
209*65038Sakito 	u_char	valid: 1,	/* l.b.a. is valid */
210*65038Sakito 		class: 3,
211*65038Sakito 		code:  4;
212*65038Sakito 	u_char	segment;
213*65038Sakito 	u_char	filemark: 1,
214*65038Sakito 		eom:      1,
215*65038Sakito 		ili:      1,	/* illegal length indicator */
216*65038Sakito 		rsvd:	  1,
217*65038Sakito 		key:	  4;
218*65038Sakito 	u_char	info1;
219*65038Sakito 	u_char	info2;
220*65038Sakito 	u_char	info3;
221*65038Sakito 	u_char	info4;
222*65038Sakito 	u_char	len;		/* additional sense length */
223*65038Sakito };
224*65038Sakito 
225*65038Sakito /* inquiry data */
226*65038Sakito struct scsi_inquiry {
227*65038Sakito 	u_char	type;
228*65038Sakito 	u_char	qual;
229*65038Sakito 	u_char	version;
230*65038Sakito 	u_char	rsvd;
231*65038Sakito 	u_char	len;
232*65038Sakito 	char	class[3];
233*65038Sakito 	char	vendor_id[8];
234*65038Sakito 	char	product_id[16];
235*65038Sakito 	char	rev[4];
236*65038Sakito };
237*65038Sakito 
238*65038Sakito struct scsi_format_parms {		/* physical BFI format */
239*65038Sakito 	u_short	reserved;
240*65038Sakito 	u_short	list_len;
241*65038Sakito 	struct defect {
242*65038Sakito 		unsigned cyl  : 24;
243*65038Sakito 		unsigned head : 8;
244*65038Sakito 		long	bytes_from_index;
245*65038Sakito 	} defect[127];
246*65038Sakito } format_parms;
247*65038Sakito 
248*65038Sakito struct scsi_reassign_parms {
249*65038Sakito 	u_short	reserved;
250*65038Sakito 	u_short	list_len;	/* length in bytes of defects only */
251*65038Sakito 	struct new_defect {
252*65038Sakito 		unsigned lba;	/* logical block address */
253*65038Sakito 	} new_defect[2];
254*65038Sakito } reassign_parms;
255*65038Sakito 
256*65038Sakito struct scsi_modesel_hdr {
257*65038Sakito 	u_char	rsvd1;
258*65038Sakito 	u_char	media_type;
259*65038Sakito 	u_char 	rsvd2;
260*65038Sakito 	u_char	block_desc_len;
261*65038Sakito 	u_int	density		: 8;
262*65038Sakito 	u_int	number_blocks	:24;
263*65038Sakito 	u_int	rsvd3		: 8;
264*65038Sakito 	u_int	block_length	:24;
265*65038Sakito };
266*65038Sakito 
267*65038Sakito struct scsi_modesense_hdr {
268*65038Sakito 	u_char	len;
269*65038Sakito 	u_char	media_type;
270*65038Sakito 	u_char 	wp    : 1;
271*65038Sakito 	u_char 	rsvd1 : 7;
272*65038Sakito 	u_char	block_desc_len;
273*65038Sakito 	u_int	density		: 8;
274*65038Sakito 	u_int	number_blocks	:24;
275*65038Sakito 	u_int	rsvd2		: 8;
276*65038Sakito 	u_int	block_length	:24;
277*65038Sakito };
278*65038Sakito 
279*65038Sakito /*
280*65038Sakito  * Mode Select / Mode sense "pages"
281*65038Sakito  */
282*65038Sakito 
283*65038Sakito /*
284*65038Sakito  * Page One - Error Recovery Parameters
285*65038Sakito  */
286*65038Sakito struct scsi_err_recovery {
287*65038Sakito 	u_char	page_savable	: 1;	/* save parameters */
288*65038Sakito 	u_char	reserved	: 1;
289*65038Sakito 	u_char	page_code	: 6;	/* = 0x01 */
290*65038Sakito 	u_char	page_length;		/* = 6 */
291*65038Sakito 	u_char	awre		: 1;	/* auto write realloc enabled */
292*65038Sakito 	u_char	arre		: 1;	/* auto read realloc enabled */
293*65038Sakito 	u_char	tb		: 1;	/* transfer block */
294*65038Sakito 	u_char 	rc		: 1;	/* read continuous */
295*65038Sakito 	u_char	eec		: 1;	/* enable early correction */
296*65038Sakito 	u_char	per		: 1;	/* post error */
297*65038Sakito 	u_char	dte		: 1;	/* disable transfer on error */
298*65038Sakito 	u_char	dcr		: 1;	/* disable correction */
299*65038Sakito 	u_char	retry_count;
300*65038Sakito 	u_char	correction_span;
301*65038Sakito 	u_char	head_offset_count;
302*65038Sakito 	u_char	strobe_offset_count;
303*65038Sakito 	u_char	recovery_time_limit;
304*65038Sakito };
305*65038Sakito 
306*65038Sakito /*
307*65038Sakito  * Page Two - Disconnect / Reconnect Control Parameters
308*65038Sakito  */
309*65038Sakito struct scsi_disco_reco {
310*65038Sakito 	u_char	page_savable	: 1;	/* save parameters */
311*65038Sakito 	u_char	rsvd		: 1;
312*65038Sakito 	u_char	page_code	: 6;	/* = 0x02 */
313*65038Sakito 	u_char	page_length;		/* = 10 */
314*65038Sakito 	u_char	buffer_full_ratio;	/* write, how full before reconnect? */
315*65038Sakito 	u_char	buffer_empty_ratio;	/* read, how full before reconnect? */
316*65038Sakito 
317*65038Sakito 	u_short	bus_inactivity_limit;	/* how much bus time for busy */
318*65038Sakito 	u_short	disconnect_time_limit;	/* min to remain disconnected */
319*65038Sakito 	u_short	connect_time_limit;	/* min to remain connected */
320*65038Sakito 	u_short	reserved_1;
321*65038Sakito };
322*65038Sakito 
323*65038Sakito /*
324*65038Sakito  * Page Three - Direct Access Device Format Parameters
325*65038Sakito  */
326*65038Sakito struct scsi_format {
327*65038Sakito 	u_char	page_savable	: 1;	/* save parameters */
328*65038Sakito 	u_char	rsvd		: 1;
329*65038Sakito 	u_char	page_code	: 6;	/* = 0x03 */
330*65038Sakito 	u_char	page_length;		/* = 22 */
331*65038Sakito 	u_short	tracks_per_zone;	/*  Handling of Defects Fields */
332*65038Sakito 	u_short	alt_sect_zone;
333*65038Sakito 	u_short alt_tracks_zone;
334*65038Sakito 	u_short	alt_tracks_vol;
335*65038Sakito 	u_short	sect_track;		/* Track Format Field */
336*65038Sakito 	u_short data_sect;		/* Sector Format Fields */
337*65038Sakito 	u_short	interleave;
338*65038Sakito 	u_short	track_skew_factor;
339*65038Sakito 	u_short	cyl_skew_factor;
340*65038Sakito 	u_char	ssec		: 1;	/* Drive Type Field */
341*65038Sakito 	u_char	hsec		: 1;
342*65038Sakito 	u_char	rmb		: 1;
343*65038Sakito 	u_char	surf		: 1;
344*65038Sakito 	u_char	ins		: 1;
345*65038Sakito 	u_char	reserved_1	: 3;
346*65038Sakito 	u_char	reserved_2;
347*65038Sakito 	u_char	reserved_3;
348*65038Sakito 	u_char	reserved_4;
349*65038Sakito };
350*65038Sakito 
351*65038Sakito /*
352*65038Sakito  * Page Four - Rigid Disk Drive Geometry Parameters
353*65038Sakito  */
354*65038Sakito struct scsi_geometry {
355*65038Sakito 	u_char	page_savable	: 1;	/* save parameters */
356*65038Sakito 	u_char	rsvd		: 1;
357*65038Sakito 	u_char	page_code	: 6;	/* = 0x04 */
358*65038Sakito 	u_char	page_length;		/* = 18 */
359*65038Sakito 	u_char	cyl_ub;			/* number of cylinders */
360*65038Sakito 	u_char	cyl_mb;
361*65038Sakito 	u_char	cyl_lb;
362*65038Sakito 	u_char	heads;			/* number of heads */
363*65038Sakito 	u_char	precomp_cyl_ub;		/* cylinder to start precomp */
364*65038Sakito 	u_char	precomp_cyl_mb;
365*65038Sakito 	u_char	precomp_cyl_lb;
366*65038Sakito 	u_char	current_cyl_ub;		/* cyl to start reduced current */
367*65038Sakito 	u_char	current_cyl_mb;
368*65038Sakito 	u_char	current_cyl_lb;
369*65038Sakito 	u_short	step_rate;		/* drive step rate */
370*65038Sakito 	u_char	landing_cyl_ub;		/* landing zone cylinder */
371*65038Sakito 	u_char	landing_cyl_mb;
372*65038Sakito 	u_char	landing_cyl_lb;
373*65038Sakito 	u_char	reserved_1;
374*65038Sakito 	u_char	reserved_2;
375*65038Sakito 	u_char	reserved_3;
376*65038Sakito };
377*65038Sakito 
378*65038Sakito /*
379*65038Sakito  * Page 0x38 - Cache Control Parameters
380*65038Sakito  */
381*65038Sakito struct scsi_cache {
382*65038Sakito 	u_char	page_savable	: 1;	/* save parameters */
383*65038Sakito 	u_char	rsvd		: 1;
384*65038Sakito 	u_char	page_code	: 6;	/* = 0x38 */
385*65038Sakito 	u_char	page_length;		/* = 14 */
386*65038Sakito 	u_char rsvd_1	: 1;
387*65038Sakito 	u_char wie	: 1; 		/* write index enable */
388*65038Sakito 	u_char rsvd_2	: 1;
389*65038Sakito 	u_char ce	: 1; 		/* cache enable */
390*65038Sakito 	u_char table_size : 4;
391*65038Sakito 	u_char	prefetch_threshold;
392*65038Sakito 	u_char	maximum_threshold;
393*65038Sakito 	u_char	maximumprefetch_multiplier;
394*65038Sakito 	u_char	minimum_threshold;
395*65038Sakito 	u_char	minimum_prefetch_multiplier;
396*65038Sakito 	u_char	reserved[8];
397*65038Sakito };
398*65038Sakito 
399*65038Sakito /*
400*65038Sakito  * Driver ioctl's for various scsi operations.
401*65038Sakito  */
402*65038Sakito #ifndef _IOCTL_
403*65038Sakito #include <sys/ioctl.h>
404*65038Sakito #endif
405*65038Sakito 
406*65038Sakito /*
407*65038Sakito  * Control for SCSI "format" mode.
408*65038Sakito  *
409*65038Sakito  * "Format" mode allows a privileged process to issue direct SCSI
410*65038Sakito  * commands to a drive (it is intended primarily to allow on-line
411*65038Sakito  * formatting).  SDIOCSFORMAT with a non-zero arg will put the drive
412*65038Sakito  * into format mode; a zero arg will take it out.  When in format
413*65038Sakito  * mode, only the process that issued the SDIOCFORMAT can read or
414*65038Sakito  * write the drive.
415*65038Sakito  *
416*65038Sakito  * In format mode, process is expected to
417*65038Sakito  *	- do SDIOCSCSICOMMAND to supply cdb for next SCSI op
418*65038Sakito  *	- do read or write as appropriate for cdb
419*65038Sakito  *	- if i/o error, optionally do SDIOCSENSE to get completion
420*65038Sakito  *	  status and sense data from last scsi operation.
421*65038Sakito  */
422*65038Sakito 
423*65038Sakito struct scsi_fmt_cdb {
424*65038Sakito 	int len;		/* cdb length (in bytes) */
425*65038Sakito 	u_char cdb[28];		/* cdb to use on next read/write */
426*65038Sakito };
427*65038Sakito 
428*65038Sakito struct scsi_fmt_sense {
429*65038Sakito 	u_int status;		/* completion status of last op */
430*65038Sakito 	u_char sense[28];	/* sense data (if any) from last op */
431*65038Sakito };
432*65038Sakito 
433*65038Sakito #define	SDIOCSFORMAT		_IOW('S', 0x1, int)
434*65038Sakito #define	SDIOCGFORMAT		_IOR('S', 0x2, int)
435*65038Sakito #define	SDIOCSCSICOMMAND	_IOW('S', 0x3, struct scsi_fmt_cdb)
436*65038Sakito #define	SDIOCSENSE		_IOR('S', 0x4, struct scsi_fmt_sense)
437