xref: /illumos-gate/usr/src/uts/common/sys/scsi/impl/commands.h (revision 66582b606a8194f7f3ba5b3a3a6dca5b0d346361)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 
22 /*
23  * Copyright 2014 Garrett D'Amore <garrett@damore.org>
24  * Copyright (c) 1990, 2010, Oracle and/or its affiliates. All rights reserved.
25  */
26 
27 #ifndef	_SYS_SCSI_IMPL_COMMANDS_H
28 #define	_SYS_SCSI_IMPL_COMMANDS_H
29 
30 #ifdef	__cplusplus
31 extern "C" {
32 #endif
33 
34 /*
35  * Implementation dependent command definitions.
36  * This file is included by <sys/scsi/generic/commands.h>
37  */
38 
39 /*
40  * Implementation dependent view of a SCSI command descriptor block
41  */
42 
43 /*
44  * Standard SCSI control blocks definitions.
45  *
46  * These go in or out over the SCSI bus.
47  *
48  * The first 8 bits of the command block are the same for all
49  * defined command groups.  The first byte is an operation which consists
50  * of a command code component and a group code component.
51  *
52  * The group code determines the length of the rest of the command.
53  * Group 0 commands are 6 bytes, Group 1 and 2  are 10 bytes, Group 4
54  * are 16 bytes, and Group 5 are 12 bytes. Groups 3 is Reserved.
55  * Groups 6 and 7 are Vendor Unique.
56  *
57  */
58 #define	CDB_SIZE	CDB_GROUP5	/* deprecated, do not use */
59 #define	SCSI_CDB_SIZE	CDB_GROUP4	/* sizeof (union scsi_cdb) */
60 
61 union scsi_cdb {		/* scsi command description block */
62 	struct {
63 		uchar_t	cmd;		/* cmd code (byte 0) */
64 #if defined(_BIT_FIELDS_LTOH)
65 		uchar_t tag	:5;	/* rest of byte 1 */
66 		uchar_t lun	:3;	/* lun (byte 1) (reserved in SCSI-3) */
67 #elif defined(_BIT_FIELDS_HTOL)
68 		uchar_t	lun	:3,	/* lun (byte 1) (reserved in SCSI-3) */
69 			tag	:5;	/* rest of byte 1 */
70 #else
71 #error	One of _BIT_FIELDS_LTOH or _BIT_FIELDS_HTOL must be defined
72 #endif	/* _BIT_FIELDS_LTOH */
73 		union {
74 
75 		uchar_t	scsi[SCSI_CDB_SIZE-2];
76 		/*
77 		 *	G R O U P   0   F O R M A T (6 bytes)
78 		 */
79 #define		scc_cmd		cdb_un.cmd
80 #define		scc_lun		cdb_un.lun
81 #define		g0_addr2	cdb_un.tag
82 #define		g0_addr1	cdb_un.sg.g0.addr1
83 #define		g0_addr0	cdb_un.sg.g0.addr0
84 #define		g0_count0	cdb_un.sg.g0.count0
85 #define		g0_vu_1		cdb_un.sg.g0.vu_57
86 #define		g0_vu_0		cdb_un.sg.g0.vu_56
87 #define		g0_naca		cdb_un.sg.g0.naca
88 #define		g0_flag		cdb_un.sg.g0.flag
89 #define		g0_link		cdb_un.sg.g0.link
90 	/*
91 	 * defines for SCSI tape cdb.
92 	 */
93 #define		t_code		cdb_un.tag
94 #define		high_count	cdb_un.sg.g0.addr1
95 #define		mid_count	cdb_un.sg.g0.addr0
96 #define		low_count	cdb_un.sg.g0.count0
97 		struct scsi_g0 {
98 			uchar_t addr1;	/* middle part of address */
99 			uchar_t addr0;	/* low part of address */
100 			uchar_t count0;	/* usually block count */
101 #if defined(_BIT_FIELDS_LTOH)
102 			uchar_t link	:1; /* another command follows 	*/
103 			uchar_t flag	:1; /* interrupt when done 	*/
104 			uchar_t naca	:1; /* normal ACA  		*/
105 			uchar_t rsvd	:3; /* reserved 		*/
106 			uchar_t vu_56	:1; /* vendor unique (byte 5 bit6) */
107 			uchar_t vu_57	:1; /* vendor unique (byte 5 bit7) */
108 #elif defined(_BIT_FIELDS_HTOL)
109 			uchar_t vu_57	:1; /* vendor unique (byte 5 bit 7) */
110 			uchar_t vu_56	:1; /* vendor unique (byte 5 bit 6) */
111 			uchar_t rsvd	:3; /* reserved */
112 			uchar_t naca	:1; /* normal ACA  		*/
113 			uchar_t flag	:1; /* interrupt when done */
114 			uchar_t link	:1; /* another command follows */
115 #else
116 #error	One of _BIT_FIELDS_LTOH or _BIT_FIELDS_HTOL must be defined
117 #endif	/* _BIT_FIELDS_LTOH */
118 		} g0;
119 
120 
121 		/*
122 		 *	G R O U P   1, 2   F O R M A T  (10 byte)
123 		 */
124 #define		g1_reladdr	cdb_un.tag
125 #define		g1_rsvd0	cdb_un.sg.g1.rsvd1
126 #define		g1_addr3	cdb_un.sg.g1.addr3	/* msb */
127 #define		g1_addr2	cdb_un.sg.g1.addr2
128 #define		g1_addr1	cdb_un.sg.g1.addr1
129 #define		g1_addr0	cdb_un.sg.g1.addr0	/* lsb */
130 #define		g1_count1	cdb_un.sg.g1.count1	/* msb */
131 #define		g1_count0	cdb_un.sg.g1.count0	/* lsb */
132 #define		g1_vu_1		cdb_un.sg.g1.vu_97
133 #define		g1_vu_0		cdb_un.sg.g1.vu_96
134 #define		g1_naca		cdb_un.sg.g1.naca
135 #define		g1_flag		cdb_un.sg.g1.flag
136 #define		g1_link		cdb_un.sg.g1.link
137 		struct scsi_g1 {
138 			uchar_t addr3;	/* most sig. byte of address */
139 			uchar_t addr2;
140 			uchar_t addr1;
141 			uchar_t addr0;
142 			uchar_t rsvd1;	/* reserved (byte 6) */
143 			uchar_t count1;	/* transfer length (msb) */
144 			uchar_t count0;	/* transfer length (lsb) */
145 #if defined(_BIT_FIELDS_LTOH)
146 			uchar_t link	:1; /* another command follows 	*/
147 			uchar_t flag	:1; /* interrupt when done 	*/
148 			uchar_t naca	:1; /* normal ACA		*/
149 			uchar_t rsvd0	:3; /* reserved 		*/
150 			uchar_t vu_96	:1; /* vendor unique (byte 9 bit6) */
151 			uchar_t vu_97	:1; /* vendor unique (byte 9 bit7) */
152 #elif defined(_BIT_FIELDS_HTOL)
153 			uchar_t vu_97	:1; /* vendor unique (byte 9 bit 7) */
154 			uchar_t vu_96	:1; /* vendor unique (byte 9 bit 6) */
155 			uchar_t rsvd0	:3; /* reserved */
156 			uchar_t naca	:1; /* normal ACA		*/
157 			uchar_t flag	:1; /* interrupt when done */
158 			uchar_t link	:1; /* another command follows */
159 #else
160 #error	One of _BIT_FIELDS_LTOH or _BIT_FIELDS_HTOL must be defined
161 #endif	/* _BIT_FIELDS_LTOH */
162 		} g1;
163 
164 		/*
165 		 *	G R O U P   4   F O R M A T  (16 byte)
166 		 */
167 #define		g4_reladdr		cdb_un.tag
168 #define		g4_addr3		cdb_un.sg.g4.addr3	/* msb */
169 #define		g4_addr2		cdb_un.sg.g4.addr2
170 #define		g4_addr1		cdb_un.sg.g4.addr1
171 #define		g4_addr0		cdb_un.sg.g4.addr0	/* lsb */
172 #define		g4_addtl_cdb_data3	cdb_un.sg.g4.addtl_cdb_data3
173 #define		g4_addtl_cdb_data2	cdb_un.sg.g4.addtl_cdb_data2
174 #define		g4_addtl_cdb_data1	cdb_un.sg.g4.addtl_cdb_data1
175 #define		g4_addtl_cdb_data0	cdb_un.sg.g4.addtl_cdb_data0
176 #define		g4_count3		cdb_un.sg.g4.count3	/* msb */
177 #define		g4_count2		cdb_un.sg.g4.count2
178 #define		g4_count1		cdb_un.sg.g4.count1
179 #define		g4_count0		cdb_un.sg.g4.count0	/* lsb */
180 #define		g4_rsvd0		cdb_un.sg.g4.rsvd1
181 #define		g4_vu_1			cdb_un.sg.g4.vu_157
182 #define		g4_vu_0			cdb_un.sg.g4.vu_156
183 #define		g4_naca			cdb_un.sg.g4.naca
184 #define		g4_flag			cdb_un.sg.g4.flag
185 #define		g4_link			cdb_un.sg.g4.link
186 		struct scsi_g4 {
187 			uchar_t addr3;	/* most sig. byte of address */
188 			uchar_t addr2;
189 			uchar_t addr1;
190 			uchar_t addr0;
191 			uchar_t addtl_cdb_data3;
192 			uchar_t addtl_cdb_data2;
193 			uchar_t addtl_cdb_data1;
194 			uchar_t addtl_cdb_data0;
195 			uchar_t count3;	/* transfer length (msb) */
196 			uchar_t count2;
197 			uchar_t count1;
198 			uchar_t count0;	/* transfer length (lsb) */
199 			uchar_t rsvd1;	/* reserved */
200 #if defined(_BIT_FIELDS_LTOH)
201 			uchar_t link	:1; /* another command follows 	*/
202 			uchar_t flag	:1; /* interrupt when done 	*/
203 			uchar_t naca	:1; /* normal ACA		*/
204 			uchar_t rsvd0	:3; /* reserved 		*/
205 			uchar_t vu_156	:1; /* vendor unique (byte 15 bit6) */
206 			uchar_t vu_157	:1; /* vendor unique (byte 15 bit7) */
207 #elif defined(_BIT_FIELDS_HTOL)
208 			uchar_t vu_157	:1; /* vendor unique (byte 15 bit 7) */
209 			uchar_t vu_156	:1; /* vendor unique (byte 15 bit 6) */
210 			uchar_t rsvd0	:3; /* reserved */
211 			uchar_t naca	:1; /* normal ACA		*/
212 			uchar_t flag	:1; /* interrupt when done */
213 			uchar_t link	:1; /* another command follows */
214 #else
215 #error	One of _BIT_FIELDS_LTOH or _BIT_FIELDS_HTOL must be defined
216 #endif	/* _BIT_FIELDS_LTOH */
217 		} g4;
218 
219 		/*
220 		 *	G R O U P   5   F O R M A T  (12 byte)
221 		 */
222 #define		scc5_reladdr	cdb_un.tag
223 #define		scc5_addr3	cdb_un.sg.g5.addr3	/* msb */
224 #define		scc5_addr2	cdb_un.sg.g5.addr2
225 #define		scc5_addr1	cdb_un.sg.g5.addr1
226 #define		scc5_addr0	cdb_un.sg.g5.addr0	/* lsb */
227 #define		scc5_count3	cdb_un.sg.g5.count3	/* msb */
228 #define		scc5_count2	cdb_un.sg.g5.count2
229 #define		scc5_count1	cdb_un.sg.g5.count1
230 #define		scc5_count0	cdb_un.sg.g5.count0	/* lsb */
231 #define		scc5_rsvd0	cdb_un.sg.g5.rsvd1
232 #define		scc5_vu_1	cdb_un.sg.g5.v117
233 #define		scc5_vu_0	cdb_un.sg.g5.v116
234 #define		scc5_naca	cdb_un.sg.g5.naca
235 #define		scc5_flag	cdb_un.sg.g5.flag
236 #define		scc5_link	cdb_un.sg.g5.link
237 		struct scsi_g5 {
238 			uchar_t addr3;	/* most sig. byte of address */
239 			uchar_t addr2;
240 			uchar_t addr1;
241 			uchar_t addr0;
242 			uchar_t count3;	/* most sig. byte of count */
243 			uchar_t count2;
244 			uchar_t count1;
245 			uchar_t count0;
246 			uchar_t rsvd1;	/* reserved */
247 #if defined(_BIT_FIELDS_LTOH)
248 			uchar_t link	:1; /* another command follows 	*/
249 			uchar_t flag	:1; /* interrupt when done 	*/
250 			uchar_t naca	:1; /* normal ACA		*/
251 			uchar_t rsvd0	:3; /* reserved 		*/
252 			uchar_t vu_116	:1; /* vendor unique (byte 11 bit6) */
253 			uchar_t vu_117	:1; /* vendor unique (byte 11 bit7) */
254 #elif defined(_BIT_FIELDS_HTOL)
255 			uchar_t vu_117	:1; /* vendor unique (byte 11 bit 7) */
256 			uchar_t vu_116	:1; /* vendor unique (byte 11 bit 6) */
257 			uchar_t rsvd0	:3; /* reserved */
258 			uchar_t naca	:1; /* normal ACA		*/
259 			uchar_t flag	:1; /* interrupt when done */
260 			uchar_t link	:1; /* another command follows */
261 #else
262 #error	One of _BIT_FIELDS_LTOH or _BIT_FIELDS_HTOL must be defined
263 #endif	/* _BIT_FIELDS_LTOH */
264 		} g5;
265 		}sg;
266 	} cdb_un;
267 	uchar_t cdb_opaque[SCSI_CDB_SIZE]; /* addressed as opaque char array */
268 	uint_t cdb_long[SCSI_CDB_SIZE / sizeof (uint_t)]; /* as a word array */
269 };
270 
271 
272 /*
273  *	Various useful Macros for SCSI commands
274  */
275 
276 /*
277  * defines for getting/setting fields in data received from or destined for
278  * a SCSI device.  These macros are necessary (in place of BE16/BE32/BE64)
279  * because the address to be read or written may not be on a proper alignment.
280  */
281 
282 #define	SCSI_READ16(Sr16_Addr) \
283 	(((uint16_t)*((uint8_t *)(Sr16_Addr)) << 8) | \
284 	    ((uint16_t)*((uint8_t *)(Sr16_Addr)+1)))
285 
286 #define	SCSI_READ24(Sr32_Addr)	\
287 	(((uint32_t)*((uint8_t *)(Sr32_Addr)) << 16) | \
288 	    ((uint32_t)*((uint8_t *)(Sr32_Addr)+1) << 8) | \
289 	    ((uint32_t)*((uint8_t *)(Sr32_Addr)+2)))
290 
291 #define	SCSI_READ32(Sr32_Addr) \
292 	(((uint32_t)*((uint8_t *)(Sr32_Addr)) << 24) | \
293 	    ((uint32_t)*((uint8_t *)(Sr32_Addr)+1) << 16) | \
294 	    ((uint32_t)*((uint8_t *)(Sr32_Addr)+2) << 8) | \
295 	    ((uint32_t)*((uint8_t *)(Sr32_Addr)+3)))
296 
297 #define	SCSI_READ40(Sr64_Addr)	\
298 	(((uint64_t)*((uint8_t *)(Sr64_Addr)) << 32) | \
299 	    ((uint64_t)*((uint8_t *)(Sr64_Addr)+1) << 24) | \
300 	    ((uint64_t)*((uint8_t *)(Sr64_Addr)+2) << 16) | \
301 	    ((uint64_t)*((uint8_t *)(Sr64_Addr)+3) << 8) | \
302 	    ((uint64_t)*((uint8_t *)(Sr64_Addr)+4)))
303 
304 #define	SCSI_READ48(Sr64_Addr)	\
305 	(((uint64_t)*((uint8_t *)(Sr64_Addr)) << 40) | \
306 	    ((uint64_t)*((uint8_t *)(Sr64_Addr)+1) << 32) | \
307 	    ((uint64_t)*((uint8_t *)(Sr64_Addr)+2) << 24) | \
308 	    ((uint64_t)*((uint8_t *)(Sr64_Addr)+3) << 16) | \
309 	    ((uint64_t)*((uint8_t *)(Sr64_Addr)+4) << 8) | \
310 	    ((uint64_t)*((uint8_t *)(Sr64_Addr)+5)))
311 
312 #define	SCSI_READ64(Sr64_Addr) \
313 	(((uint64_t)*((uint8_t *)(Sr64_Addr)) << 56) | \
314 	    ((uint64_t)*((uint8_t *)(Sr64_Addr)+1) << 48) | \
315 	    ((uint64_t)*((uint8_t *)(Sr64_Addr)+2) << 40) | \
316 	    ((uint64_t)*((uint8_t *)(Sr64_Addr)+3) << 32) | \
317 	    ((uint64_t)*((uint8_t *)(Sr64_Addr)+4) << 24) | \
318 	    ((uint64_t)*((uint8_t *)(Sr64_Addr)+5) << 16) | \
319 	    ((uint64_t)*((uint8_t *)(Sr64_Addr)+6) << 8) | \
320 	    ((uint64_t)*((uint8_t *)(Sr64_Addr)+7)))
321 
322 #define	SCSI_WRITE16(Sr16_Addr, Sr16_Val) \
323 	*((uint8_t *)(Sr16_Addr)) = (((uint16_t)(Sr16_Val) >> 8) & 0xff), \
324 	*((uint8_t *)(Sr16_Addr)+1) = ((uint16_t)(Sr16_Val) & 0xff)
325 
326 #define	SCSI_WRITE24(Sr24_Addr, Sr24_Val) \
327 	SCSI_WRITE16((Sr24_Addr), ((Sr24_Val) & 0xffff00) >> 8),	\
328 	*((uint8_t *)(Sr24_Addr)+2) = ((uint8_t)((Sr24_Val) & 0xff))
329 
330 #define	SCSI_WRITE32(Sr32_Addr, Sr32_Val) \
331 	*(uint8_t *)(Sr32_Addr) = (((uint32_t)(Sr32_Val) >> 24) & 0xff), \
332 	*((uint8_t *)(Sr32_Addr)+1) = \
333 	    (((uint32_t)(Sr32_Val) >> 16) & 0xff), \
334 	*((uint8_t *)(Sr32_Addr)+2) = (((uint32_t)(Sr32_Val) >> 8) & 0xff), \
335 	*((uint8_t *)(Sr32_Addr)+3) = (((uint32_t)(Sr32_Val)) & 0xff)
336 
337 #define	SCSI_WRITE40(Sr40_Addr, Sr40_Val) \
338 	SCSI_WRITE32((Sr40_Addr), ((Sr40_Val) & 0xffffffff00ULL) >> 8),	\
339 	*((uint8_t *)(Sr40_Addr)+4) = ((uint8_t)(Sr40_Val) & 0xff)
340 
341 #define	SCSI_WRITE48(Sr48_Addr, Sr40_Val) \
342 	SCSI_WRITE32((Sr48_Addr), ((Sr48_Val) & 0xffffffff0000ULL) >> 16), \
343 	SCSI_WRITE16((uint8_t *)(Sr48_Addr)+4, (Sr40_Val) & 0xffff)
344 
345 #define	SCSI_WRITE64(Sr64_Addr, Sr64_Val) \
346 	*(uint8_t *)(Sr64_Addr) = (((uint64_t)(Sr64_Val) >> 56) & 0xff), \
347 	*((uint8_t *)(Sr64_Addr)+1) = \
348 	    (((uint64_t)(Sr64_Val) >> 48) & 0xff), \
349 	*((uint8_t *)(Sr64_Addr)+2) = \
350 	    (((uint64_t)(Sr64_Val) >> 40) & 0xff), \
351 	*((uint8_t *)(Sr64_Addr)+3) = \
352 	    (((uint64_t)(Sr64_Val) >> 32) & 0xff), \
353 	*((uint8_t *)(Sr64_Addr)+4) = \
354 	    (((uint64_t)(Sr64_Val) >> 24) & 0xff), \
355 	*((uint8_t *)(Sr64_Addr)+5) = \
356 	    (((uint64_t)(Sr64_Val) >> 16) & 0xff), \
357 	*((uint8_t *)(Sr64_Addr)+6) = \
358 	    (((uint64_t)(Sr64_Val) >> 8) & 0xff), \
359 	*((uint8_t *)(Sr64_Addr)+7) = (((uint64_t)(Sr64_Val)) & 0xff)
360 
361 /*
362  * These macros deal with unaligned data that crosses a byte boundary.
363  */
364 #define	SCSI_MK8(ms, ls)	\
365 	(((uint8_t)(ms) << 4) | (uint8_t)ls)
366 
367 #define	SCSI_MK12_4_8(ms, ls)	\
368 	(((uint16_t)(ms) << 8) | (uint16_t)(ls))
369 #define	SCSI_MK12_8_4(ms, ls)	\
370 	(((uint16_t)(ms) << 4) | (uint16_t)(ls))
371 
372 #define	SCSI_MK16_4_8_4(hi, mid, lo)	\
373 	(((uint16_t)(hi) << 12) | ((uint16_t)(mid) << 4) | (uint16_t)(lo))
374 
375 #define	SCSI_MK20_4_16(ms, ls)	\
376 	(((uint32_t)(ms) << 16) | ((uint32_t)(ls)))
377 #define	SCSI_MK20_16_4(ms, ls)	\
378 	(((uint32_t)(ms) << 4) | ((uint32_t)(ls)))
379 
380 #define	SCSI_MK24_4_16_4(hi, mid, lo)	\
381 	(((uint32_t)(hi) << 20) | ((uint32_t)(mid) << 4) | (uint32_t)(lo))
382 
383 #define	SCSI_MK36_4_32(ms, ls)	\
384 	(((uint64_t)(ms) << 32) | (uint64_t)(ls))
385 #define	SCSI_MK36_32_4(ms, ls)	\
386 	(((uint64_t)(ms) << 4) | (uint64_t)(ls))
387 
388 /*
389  * defines for getting/setting fields within the various command groups
390  */
391 
392 #define	GETCMD(cdb)		((cdb)->scc_cmd & 0x1F)
393 #define	GETGROUP(cdb)		(CDB_GROUPID((cdb)->scc_cmd))
394 
395 #define	FORMG0COUNT(cdb, cnt)	(cdb)->g0_count0  = (cnt)
396 
397 #define	FORMG0ADDR(cdb, addr) 	(cdb)->g0_addr2  = (addr) >> 16; \
398 				(cdb)->g0_addr1  = ((addr) >> 8) & 0xFF; \
399 				(cdb)->g0_addr0  = (addr) & 0xFF
400 
401 #define	GETG0COUNT(cdb)		(cdb)->g0_count0
402 
403 #define	GETG0ADDR(cdb)		((((cdb)->g0_addr2 & 0x1F) << 16) + \
404 				((cdb)->g0_addr1 << 8) + ((cdb)->g0_addr0))
405 
406 #define	GETG0TAG(cdb)		((cdb)->g0_addr2)
407 
408 #define	FORMG0COUNT_S(cdb, cnt)	(cdb)->high_count  = (cnt) >> 16; \
409 				(cdb)->mid_count = ((cnt) >> 8) & 0xFF; \
410 				(cdb)->low_count = (cnt) & 0xFF
411 
412 #define	FORMG1COUNT(cdb, cnt)	(cdb)->g1_count1 = ((cnt) >> 8); \
413 				(cdb)->g1_count0 = (cnt) & 0xFF
414 
415 #define	FORMG1ADDR(cdb, addr)	(cdb)->g1_addr3  = (addr) >> 24; \
416 				(cdb)->g1_addr2  = ((addr) >> 16) & 0xFF; \
417 				(cdb)->g1_addr1  = ((addr) >> 8) & 0xFF; \
418 				(cdb)->g1_addr0  = (addr) & 0xFF
419 
420 #define	GETG1COUNT(cdb)		(((cdb)->g1_count1 << 8) + ((cdb)->g1_count0))
421 
422 #define	GETG1ADDR(cdb)		(((cdb)->g1_addr3 << 24) + \
423 				((cdb)->g1_addr2 << 16) + \
424 				((cdb)->g1_addr1 << 8)  + \
425 				((cdb)->g1_addr0))
426 
427 #define	GETG1TAG(cdb)		(cdb)->g1_reladdr
428 
429 #define	FORMG4COUNT(cdb, cnt)	(cdb)->g4_count3 = ((cnt) >> 24); \
430 				(cdb)->g4_count2 = ((cnt) >> 16) & 0xFF; \
431 				(cdb)->g4_count1 = ((cnt) >> 8) & 0xFF; \
432 				(cdb)->g4_count0 = (cnt) & 0xFF
433 
434 #define	FORMG4LONGADDR(cdb, addr)	(cdb)->g4_addr3 = (addr) >> 56; \
435 					(cdb)->g4_addr2 = \
436 						((addr) >> 48) & 0xFF; \
437 					(cdb)->g4_addr1 = \
438 						((addr) >> 40) & 0xFF; \
439 					(cdb)->g4_addr0 = \
440 						((addr) >> 32) & 0xFF; \
441 					(cdb)->g4_addtl_cdb_data3 = \
442 						((addr) >> 24) & 0xFF; \
443 					(cdb)->g4_addtl_cdb_data2 = \
444 						((addr) >> 16) & 0xFF; \
445 					(cdb)->g4_addtl_cdb_data1 = \
446 						((addr) >> 8) & 0xFF; \
447 					(cdb)->g4_addtl_cdb_data0 = \
448 						(addr) & 0xFF
449 
450 #define	GETG4COUNT(cdb)		(((cdb)->g4_count3 << 24) + \
451 				((cdb)->g4_count2 << 16) + \
452 				((cdb)->g4_count1 << 8) + \
453 				((cdb)->g4_count0))
454 
455 #define	GETG4LONGADDR(cdb)	(((diskaddr_t)(cdb)->g4_addr3 << 56) + \
456 			((diskaddr_t)(cdb)->g4_addr2 << 48) + \
457 			((diskaddr_t)(cdb)->g4_addr1 << 40) + \
458 			((diskaddr_t)(cdb)->g4_addr0 << 32) + \
459 			((diskaddr_t)(cdb)->g4_addtl_cdb_data3 << 24) + \
460 			((diskaddr_t)(cdb)->g4_addtl_cdb_data2 << 16) + \
461 			((diskaddr_t)(cdb)->g4_addtl_cdb_data1 << 8) + \
462 			((diskaddr_t)(cdb)->g4_addtl_cdb_data0))
463 
464 #define	FORMG4ADDR(cdb, addr)	(cdb)->g4_addr3 = (addr) >> 24; \
465 				(cdb)->g4_addr2 = ((addr) >> 16) & 0xFF; \
466 				(cdb)->g4_addr1 = ((addr) >> 8) & 0xFF; \
467 				(cdb)->g4_addr0 = (addr) & 0xFF
468 
469 #define	FORMG4ADDTL(cdb, addtl_cdb_data) (cdb)->g4_addtl_cdb_data3 = \
470 					(addtl_cdb_data) >> 24; \
471 				(cdb)->g4_addtl_cdb_data2 = \
472 					((addtl_cdb_data) >> 16) & 0xFF; \
473 				(cdb)->g4_addtl_cdb_data1 = \
474 					((addtl_cdb_data) >> 8) & 0xFF; \
475 				(cdb)->g4_addtl_cdb_data0 = \
476 					(addtl_cdb_data) & 0xFF
477 
478 #define	GETG4ADDR(cdb)		((cdb)->g4_addr3 << 24) + \
479 				((cdb)->g4_addr2 << 16) + \
480 				((cdb)->g4_addr1 << 8)  + \
481 				((cdb)->g4_addr0)
482 
483 #define	GETG4ADDRTL(cdb)	(((cdb)->g4_addtl_cdb_data3 << 24) + \
484 				((cdb)->g4_addtl_cdb_data2 << 16) + \
485 				((cdb)->g4_addtl_cdb_data1 << 8) + \
486 				(cdb)->g4_addtl_cdb_data0)
487 
488 #define	GETG4TAG(cdb)		(cdb)->g4_reladdr
489 
490 #define	FORMG5COUNT(cdb, cnt)	(cdb)->scc5_count3 = ((cnt) >> 24); \
491 				(cdb)->scc5_count2 = ((cnt) >> 16) & 0xFF; \
492 				(cdb)->scc5_count1 = ((cnt) >> 8) & 0xFF; \
493 				(cdb)->scc5_count0 = (cnt) & 0xFF
494 
495 #define	FORMG5ADDR(cdb, addr)	(cdb)->scc5_addr3  = (addr) >> 24; \
496 				(cdb)->scc5_addr2  = ((addr) >> 16) & 0xFF; \
497 				(cdb)->scc5_addr1  = ((addr) >> 8) & 0xFF; \
498 				(cdb)->scc5_addr0  = (addr) & 0xFF
499 
500 #define	GETG5ADDR(cdb)		((cdb)->scc5_addr3 << 24) + \
501 				((cdb)->scc5_addr2 << 16) + \
502 				((cdb)->scc5_addr1 << 8)  + \
503 				((cdb)->scc5_addr0)
504 
505 #define	GETG5COUNT(cdb)		((cdb)->scc5_count3 << 24) + \
506 				((cdb)->scc5_count2 << 16) + \
507 				((cdb)->scc5_count1 << 8) + \
508 				((cdb)->scc5_count0)
509 
510 #define	GETG5TAG(cdb)		(cdb)->scc5_reladdr
511 
512 
513 /*
514  * Shorthand macros for forming commands
515  *
516  * Works only with pre-SCSI-3 because they put lun as part of CDB.
517  * scsi_setup_cdb() is the recommended interface.
518  */
519 
520 #define	MAKECOM_COMMON(pktp, devp, flag, cmd)	\
521 	(pktp)->pkt_address = (devp)->sd_address, \
522 	(pktp)->pkt_flags = (flag), \
523 	((union scsi_cdb *)(pktp)->pkt_cdbp)->scc_cmd = (cmd), \
524 	((union scsi_cdb *)(pktp)->pkt_cdbp)->scc_lun = \
525 	    (pktp)->pkt_address.a_lun
526 
527 #define	MAKECOM_G0(pktp, devp, flag, cmd, addr, cnt)	\
528 	MAKECOM_COMMON((pktp), (devp), (flag), (cmd)), \
529 	FORMG0ADDR(((union scsi_cdb *)(pktp)->pkt_cdbp), (addr)), \
530 	FORMG0COUNT(((union scsi_cdb *)(pktp)->pkt_cdbp), (cnt))
531 
532 #define	MAKECOM_G0_S(pktp, devp, flag, cmd, cnt, fixbit)	\
533 	MAKECOM_COMMON((pktp), (devp), (flag), (cmd)), \
534 	FORMG0COUNT_S(((union scsi_cdb *)(pktp)->pkt_cdbp), (cnt)), \
535 	((union scsi_cdb *)(pktp)->pkt_cdbp)->t_code = (fixbit)
536 
537 #define	MAKECOM_G1(pktp, devp, flag, cmd, addr, cnt)	\
538 	MAKECOM_COMMON((pktp), (devp), (flag), (cmd)), \
539 	FORMG1ADDR(((union scsi_cdb *)(pktp)->pkt_cdbp), (addr)), \
540 	FORMG1COUNT(((union scsi_cdb *)(pktp)->pkt_cdbp), (cnt))
541 
542 #define	MAKECOM_G5(pktp, devp, flag, cmd, addr, cnt)	\
543 	MAKECOM_COMMON((pktp), (devp), (flag), (cmd)), \
544 	FORMG5ADDR(((union scsi_cdb *)(pktp)->pkt_cdbp), (addr)), \
545 	FORMG5COUNT(((union scsi_cdb *)(pktp)->pkt_cdbp), (cnt))
546 
547 
548 /*
549  * Direct access disk format defines and parameters.
550  *
551  * This is still pretty ugly and is mostly derived
552  * from Emulex MD21 specific formatting.
553  */
554 
555 #define	fmt_parm_bits		g0_addr2	/* for format options */
556 #define	fmt_interleave		g0_count0	/* for encode interleave */
557 #define	defect_list_descrip	g1_addr3	/* list description bits */
558 
559 /*
560  * defines for value of fmt_parm_bits.
561  */
562 
563 #define	FPB_BFI			0x04	/* bytes-from-index fmt */
564 #define	FPB_CMPLT		0x08	/* full defect list provided */
565 #define	FPB_DATA		0x10	/* defect list data provided */
566 
567 /*
568  * Defines for value of defect_list_descrip.
569  */
570 
571 #define	DLD_MAN_DEF_LIST	0x10	/* manufacturer's defect list */
572 #define	DLD_GROWN_DEF_LIST	0x08	/* grown defect list */
573 #define	DLD_BLOCK_FORMAT	0x00	/* block format */
574 #define	DLD_BFI_FORMAT		0x04	/* bytes-from-index format */
575 #define	DLD_PS_FORMAT		0x05	/* physical sector format */
576 
577 /*
578  * Defines for value of CONTROL byte of cdb.
579  */
580 #define	CDB_FLAG_NACA		0x04	/* naca flag */
581 
582 /*
583  * Disk defect list - used by format command.
584  */
585 #define	RDEF_ALL	0	/* read all defects */
586 #define	RDEF_MANUF	1	/* read manufacturer's defects */
587 #define	RDEF_CKLEN	2	/* check length of manufacturer's list */
588 #define	ST506_NDEFECT	127	/* must fit in 1K controller buffer... */
589 #define	ESDI_NDEFECT	ST506_NDEFECT
590 
591 struct scsi_bfi_defect {	/* defect in bytes from index format */
592 	unsigned cyl  : 24;
593 	unsigned head : 8;
594 	int	bytes_from_index;
595 };
596 
597 struct scsi_format_params {	/* BFI format list */
598 	ushort_t reserved;
599 	ushort_t length;
600 	struct  scsi_bfi_defect list[ESDI_NDEFECT];
601 };
602 
603 /*
604  * Defect list returned by READ_DEFECT_LIST command.
605  */
606 struct scsi_defect_hdr {	/* For getting defect list size */
607 	uchar_t	reserved;
608 	uchar_t	descriptor;
609 	ushort_t length;
610 };
611 
612 struct scsi_defect_list {	/* BFI format list */
613 	uchar_t	reserved;
614 	uchar_t	descriptor;
615 	ushort_t length;
616 	struct	scsi_bfi_defect list[ESDI_NDEFECT];
617 };
618 
619 /*
620  *
621  * Direct Access device Reassign Block parameter
622  *
623  * Defect list format used by reassign block command (logical block format).
624  *
625  * This defect list is limited to 1 defect, as that is the only way we use it.
626  *
627  */
628 
629 struct scsi_reassign_blk {
630 	ushort_t reserved;
631 	ushort_t length;	/* defect length in bytes (defects * 4) */
632 	uint_t 	defect;		/* Logical block address of defect */
633 };
634 
635 /*
636  * Direct Access Device Capacity Structure -- 8 byte version
637  */
638 
639 struct scsi_capacity {
640 	uint_t	capacity;
641 	uint_t	lbasize;
642 };
643 
644 /*
645  * Direct Access Device Capacity Structure -- 16 byte version
646  */
647 
648 struct scsi_capacity_16 {
649 	uint64_t	sc_capacity;
650 	uint_t		sc_lbasize;
651 #if defined(_BIT_FIELDS_LTOH)
652 	uchar_t 	sc_rto_en	:1;
653 	uchar_t 	sc_prot_en	:1;
654 	uchar_t 	sc_rsvd0	:6;
655 #elif defined(_BIT_FIELDS_HTOL)
656 	uchar_t 	sc_rsvd0	:6;
657 	uchar_t 	sc_prot_en	:1;
658 	uchar_t 	sc_rto_en	:1;
659 #else
660 #error	One of _BIT_FIELDS_LTOH or _BIT_FIELDS_HTOL must be defined
661 #endif	/* _BIT_FIELDS_LTOH */
662 	uchar_t 	sc_rsvd1[19];
663 };
664 
665 #ifdef	_KERNEL
666 
667 /*
668  * Functional versions of the above macros, and other functions.
669  * the makecom functions have been deprecated. Please use
670  * scsi_setup_cdb()
671  */
672 
673 extern void 	makecom_g0(struct scsi_pkt *pkt, struct scsi_device *devp,
674 				int flag, int cmd, int addr, int cnt);
675 extern void 	makecom_g0_s(struct scsi_pkt *pkt, struct scsi_device *devp,
676 				int flag, int cmd, int cnt, int fixbit);
677 extern void 	makecom_g1(struct scsi_pkt *pkt, struct scsi_device *devp,
678 				int flag, int cmd, int addr, int cnt);
679 extern void 	makecom_g5(struct scsi_pkt *pkt, struct scsi_device *devp,
680 				int flag, int cmd, int addr, int cnt);
681 extern int	scsi_setup_cdb(union scsi_cdb *cdbp, uchar_t cmd, uint_t addr,
682 				uint_t cnt, uint_t addtl_cdb_data);
683 
684 #endif /* _KERNEL */
685 
686 #ifdef	__cplusplus
687 }
688 #endif
689 
690 #endif	/* _SYS_SCSI_IMPL_COMMANDS_H */
691