xref: /illumos-gate/usr/src/uts/common/sys/scsi/impl/commands.h (revision 66e150d7d3c0cb2de3c45c74612784ffd3e73de6)
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  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  */
25 
26 #ifndef	_SYS_SCSI_IMPL_COMMANDS_H
27 #define	_SYS_SCSI_IMPL_COMMANDS_H
28 
29 #pragma ident	"%Z%%M%	%I%	%E% SMI"
30 
31 #ifdef	__cplusplus
32 extern "C" {
33 #endif
34 
35 /*
36  * Implementation dependent command definitions.
37  * This file is included by <sys/scsi/generic/commands.h>
38  */
39 
40 /*
41  * Implementation dependent view of a SCSI command descriptor block
42  */
43 
44 /*
45  * Standard SCSI control blocks definitions.
46  *
47  * These go in or out over the SCSI bus.
48  *
49  * The first 8 bits of the command block are the same for all
50  * defined command groups.  The first byte is an operation which consists
51  * of a command code component and a group code component.
52  *
53  * The group code determines the length of the rest of the command.
54  * Group 0 commands are 6 bytes, Group 1 and 2  are 10 bytes, Group 4
55  * are 16 bytes, and Group 5 are 12 bytes. Groups 3 is Reserved.
56  * Groups 6 and 7 are Vendor Unique.
57  *
58  */
59 #define	CDB_SIZE	CDB_GROUP5	/* deprecated, do not use */
60 #define	SCSI_CDB_SIZE	CDB_GROUP4	/* sizeof (union scsi_cdb) */
61 
62 union scsi_cdb {		/* scsi command description block */
63 	struct {
64 		uchar_t	cmd;		/* cmd code (byte 0) */
65 #if defined(_BIT_FIELDS_LTOH)
66 		uchar_t tag	:5;	/* rest of byte 1 */
67 		uchar_t lun	:3;	/* lun (byte 1) (reserved in SCSI-3) */
68 #elif defined(_BIT_FIELDS_HTOL)
69 		uchar_t	lun	:3,	/* lun (byte 1) (reserved in SCSI-3) */
70 			tag	:5;	/* rest of byte 1 */
71 #else
72 #error	One of _BIT_FIELDS_LTOH or _BIT_FIELDS_HTOL must be defined
73 #endif	/* _BIT_FIELDS_LTOH */
74 		union {
75 
76 		uchar_t	scsi[SCSI_CDB_SIZE-2];
77 		/*
78 		 *	G R O U P   0   F O R M A T (6 bytes)
79 		 */
80 #define		scc_cmd		cdb_un.cmd
81 #define		scc_lun		cdb_un.lun
82 #define		g0_addr2	cdb_un.tag
83 #define		g0_addr1	cdb_un.sg.g0.addr1
84 #define		g0_addr0	cdb_un.sg.g0.addr0
85 #define		g0_count0	cdb_un.sg.g0.count0
86 #define		g0_vu_1		cdb_un.sg.g0.vu_57
87 #define		g0_vu_0		cdb_un.sg.g0.vu_56
88 #define		g0_naca		cdb_un.sg.g0.naca
89 #define		g0_flag		cdb_un.sg.g0.flag
90 #define		g0_link		cdb_un.sg.g0.link
91 	/*
92 	 * defines for SCSI tape cdb.
93 	 */
94 #define		t_code		cdb_un.tag
95 #define		high_count	cdb_un.sg.g0.addr1
96 #define		mid_count	cdb_un.sg.g0.addr0
97 #define		low_count	cdb_un.sg.g0.count0
98 		struct scsi_g0 {
99 			uchar_t addr1;	/* middle part of address */
100 			uchar_t addr0;	/* low part of address */
101 			uchar_t count0;	/* usually block count */
102 #if defined(_BIT_FIELDS_LTOH)
103 			uchar_t link	:1; /* another command follows 	*/
104 			uchar_t flag	:1; /* interrupt when done 	*/
105 			uchar_t naca	:1; /* normal ACA  		*/
106 			uchar_t rsvd	:3; /* reserved 		*/
107 			uchar_t vu_56	:1; /* vendor unique (byte 5 bit6) */
108 			uchar_t vu_57	:1; /* vendor unique (byte 5 bit7) */
109 #elif defined(_BIT_FIELDS_HTOL)
110 			uchar_t vu_57	:1; /* vendor unique (byte 5 bit 7) */
111 			uchar_t vu_56	:1; /* vendor unique (byte 5 bit 6) */
112 			uchar_t rsvd	:3; /* reserved */
113 			uchar_t naca	:1; /* normal ACA  		*/
114 			uchar_t flag	:1; /* interrupt when done */
115 			uchar_t link	:1; /* another command follows */
116 #else
117 #error	One of _BIT_FIELDS_LTOH or _BIT_FIELDS_HTOL must be defined
118 #endif	/* _BIT_FIELDS_LTOH */
119 		} g0;
120 
121 
122 		/*
123 		 *	G R O U P   1, 2   F O R M A T  (10 byte)
124 		 */
125 #define		g1_reladdr	cdb_un.tag
126 #define		g1_rsvd0	cdb_un.sg.g1.rsvd1
127 #define		g1_addr3	cdb_un.sg.g1.addr3	/* msb */
128 #define		g1_addr2	cdb_un.sg.g1.addr2
129 #define		g1_addr1	cdb_un.sg.g1.addr1
130 #define		g1_addr0	cdb_un.sg.g1.addr0	/* lsb */
131 #define		g1_count1	cdb_un.sg.g1.count1	/* msb */
132 #define		g1_count0	cdb_un.sg.g1.count0	/* lsb */
133 #define		g1_vu_1		cdb_un.sg.g1.vu_97
134 #define		g1_vu_0		cdb_un.sg.g1.vu_96
135 #define		g1_naca		cdb_un.sg.g1.naca
136 #define		g1_flag		cdb_un.sg.g1.flag
137 #define		g1_link		cdb_un.sg.g1.link
138 		struct scsi_g1 {
139 			uchar_t addr3;	/* most sig. byte of address */
140 			uchar_t addr2;
141 			uchar_t addr1;
142 			uchar_t addr0;
143 			uchar_t rsvd1;	/* reserved (byte 6) */
144 			uchar_t count1;	/* transfer length (msb) */
145 			uchar_t count0;	/* transfer length (lsb) */
146 #if defined(_BIT_FIELDS_LTOH)
147 			uchar_t link	:1; /* another command follows 	*/
148 			uchar_t flag	:1; /* interrupt when done 	*/
149 			uchar_t naca	:1; /* normal ACA		*/
150 			uchar_t rsvd0	:3; /* reserved 		*/
151 			uchar_t vu_96	:1; /* vendor unique (byte 9 bit6) */
152 			uchar_t vu_97	:1; /* vendor unique (byte 9 bit7) */
153 #elif defined(_BIT_FIELDS_HTOL)
154 			uchar_t vu_97	:1; /* vendor unique (byte 9 bit 7) */
155 			uchar_t vu_96	:1; /* vendor unique (byte 9 bit 6) */
156 			uchar_t rsvd0	:3; /* reserved */
157 			uchar_t naca	:1; /* normal ACA		*/
158 			uchar_t flag	:1; /* interrupt when done */
159 			uchar_t link	:1; /* another command follows */
160 #else
161 #error	One of _BIT_FIELDS_LTOH or _BIT_FIELDS_HTOL must be defined
162 #endif	/* _BIT_FIELDS_LTOH */
163 		} g1;
164 
165 		/*
166 		 *	G R O U P   4   F O R M A T  (16 byte)
167 		 */
168 #define		g4_reladdr		cdb_un.tag
169 #define		g4_addr3		cdb_un.sg.g4.addr3	/* msb */
170 #define		g4_addr2		cdb_un.sg.g4.addr2
171 #define		g4_addr1		cdb_un.sg.g4.addr1
172 #define		g4_addr0		cdb_un.sg.g4.addr0	/* lsb */
173 #define		g4_addtl_cdb_data3	cdb_un.sg.g4.addtl_cdb_data3
174 #define		g4_addtl_cdb_data2	cdb_un.sg.g4.addtl_cdb_data2
175 #define		g4_addtl_cdb_data1	cdb_un.sg.g4.addtl_cdb_data1
176 #define		g4_addtl_cdb_data0	cdb_un.sg.g4.addtl_cdb_data0
177 #define		g4_count3		cdb_un.sg.g4.count3	/* msb */
178 #define		g4_count2		cdb_un.sg.g4.count2
179 #define		g4_count1		cdb_un.sg.g4.count1
180 #define		g4_count0		cdb_un.sg.g4.count0	/* lsb */
181 #define		g4_rsvd0		cdb_un.sg.g4.rsvd1
182 #define		g4_vu_1			cdb_un.sg.g4.vu_157
183 #define		g4_vu_0			cdb_un.sg.g4.vu_156
184 #define		g4_naca			cdb_un.sg.g4.naca
185 #define		g4_flag			cdb_un.sg.g4.flag
186 #define		g4_link			cdb_un.sg.g4.link
187 		struct scsi_g4 {
188 			uchar_t addr3;	/* most sig. byte of address */
189 			uchar_t addr2;
190 			uchar_t addr1;
191 			uchar_t addr0;
192 			uchar_t addtl_cdb_data3;
193 			uchar_t addtl_cdb_data2;
194 			uchar_t addtl_cdb_data1;
195 			uchar_t addtl_cdb_data0;
196 			uchar_t count3;	/* transfer length (msb) */
197 			uchar_t count2;
198 			uchar_t count1;
199 			uchar_t count0;	/* transfer length (lsb) */
200 			uchar_t rsvd1;	/* reserved */
201 #if defined(_BIT_FIELDS_LTOH)
202 			uchar_t link	:1; /* another command follows 	*/
203 			uchar_t flag	:1; /* interrupt when done 	*/
204 			uchar_t naca	:1; /* normal ACA		*/
205 			uchar_t rsvd0	:3; /* reserved 		*/
206 			uchar_t vu_156	:1; /* vendor unique (byte 15 bit6) */
207 			uchar_t vu_157	:1; /* vendor unique (byte 15 bit7) */
208 #elif defined(_BIT_FIELDS_HTOL)
209 			uchar_t vu_157	:1; /* vendor unique (byte 15 bit 7) */
210 			uchar_t vu_156	:1; /* vendor unique (byte 15 bit 6) */
211 			uchar_t rsvd0	:3; /* reserved */
212 			uchar_t naca	:1; /* normal ACA		*/
213 			uchar_t flag	:1; /* interrupt when done */
214 			uchar_t link	:1; /* another command follows */
215 #else
216 #error	One of _BIT_FIELDS_LTOH or _BIT_FIELDS_HTOL must be defined
217 #endif	/* _BIT_FIELDS_LTOH */
218 		} g4;
219 
220 		/*
221 		 *	G R O U P   5   F O R M A T  (12 byte)
222 		 */
223 #define		scc5_reladdr	cdb_un.tag
224 #define		scc5_addr3	cdb_un.sg.g5.addr3	/* msb */
225 #define		scc5_addr2	cdb_un.sg.g5.addr2
226 #define		scc5_addr1	cdb_un.sg.g5.addr1
227 #define		scc5_addr0	cdb_un.sg.g5.addr0	/* lsb */
228 #define		scc5_count3	cdb_un.sg.g5.count3	/* msb */
229 #define		scc5_count2	cdb_un.sg.g5.count2
230 #define		scc5_count1	cdb_un.sg.g5.count1
231 #define		scc5_count0	cdb_un.sg.g5.count0	/* lsb */
232 #define		scc5_rsvd0	cdb_un.sg.g5.rsvd1
233 #define		scc5_vu_1	cdb_un.sg.g5.v117
234 #define		scc5_vu_0	cdb_un.sg.g5.v116
235 #define		scc5_naca	cdb_un.sg.g5.naca
236 #define		scc5_flag	cdb_un.sg.g5.flag
237 #define		scc5_link	cdb_un.sg.g5.link
238 		struct scsi_g5 {
239 			uchar_t addr3;	/* most sig. byte of address */
240 			uchar_t addr2;
241 			uchar_t addr1;
242 			uchar_t addr0;
243 			uchar_t count3;	/* most sig. byte of count */
244 			uchar_t count2;
245 			uchar_t count1;
246 			uchar_t count0;
247 			uchar_t rsvd1;	/* reserved */
248 #if defined(_BIT_FIELDS_LTOH)
249 			uchar_t link	:1; /* another command follows 	*/
250 			uchar_t flag	:1; /* interrupt when done 	*/
251 			uchar_t naca	:1; /* normal ACA		*/
252 			uchar_t rsvd0	:3; /* reserved 		*/
253 			uchar_t vu_116	:1; /* vendor unique (byte 11 bit6) */
254 			uchar_t vu_117	:1; /* vendor unique (byte 11 bit7) */
255 #elif defined(_BIT_FIELDS_HTOL)
256 			uchar_t vu_117	:1; /* vendor unique (byte 11 bit 7) */
257 			uchar_t vu_116	:1; /* vendor unique (byte 11 bit 6) */
258 			uchar_t rsvd0	:3; /* reserved */
259 			uchar_t naca	:1; /* normal ACA		*/
260 			uchar_t flag	:1; /* interrupt when done */
261 			uchar_t link	:1; /* another command follows */
262 #else
263 #error	One of _BIT_FIELDS_LTOH or _BIT_FIELDS_HTOL must be defined
264 #endif	/* _BIT_FIELDS_LTOH */
265 		} g5;
266 		}sg;
267 	} cdb_un;
268 	uchar_t cdb_opaque[SCSI_CDB_SIZE]; /* addressed as opaque char array */
269 	uint_t cdb_long[SCSI_CDB_SIZE / sizeof (uint_t)]; /* as a word array */
270 };
271 
272 
273 /*
274  *	Various useful Macros for SCSI commands
275  */
276 
277 /*
278  * defines for getting/setting fields in data received from or destined for
279  * a SCSI device.  These macros are necessary (in place of BE16/BE32/BE64)
280  * because the address to be read or written may not be on a proper alignment.
281  */
282 
283 #define	SCSI_READ16(Sr16_Addr) \
284 	(((uint16_t)*((uint8_t *)(Sr16_Addr)) << 8) | \
285 	    ((uint16_t)*((uint8_t *)(Sr16_Addr)+1)))
286 
287 #define	SCSI_READ24(Sr32_Addr)	\
288 	(((uint32_t)*((uint8_t *)(Sr32_Addr)) << 16) | \
289 	    ((uint32_t)*((uint8_t *)(Sr32_Addr)+1) << 8) | \
290 	    ((uint32_t)*((uint8_t *)(Sr32_Addr)+2)))
291 
292 #define	SCSI_READ32(Sr32_Addr) \
293 	(((uint32_t)*((uint8_t *)(Sr32_Addr)) << 24) | \
294 	    ((uint32_t)*((uint8_t *)(Sr32_Addr)+1) << 16) | \
295 	    ((uint32_t)*((uint8_t *)(Sr32_Addr)+2) << 8) | \
296 	    ((uint32_t)*((uint8_t *)(Sr32_Addr)+3)))
297 
298 #define	SCSI_READ40(Sr64_Addr)	\
299 	(((uint64_t)*((uint8_t *)(Sr64_Addr)) << 32) | \
300 	    ((uint64_t)*((uint8_t *)(Sr64_Addr)+1) << 24) | \
301 	    ((uint64_t)*((uint8_t *)(Sr64_Addr)+2) << 16) | \
302 	    ((uint64_t)*((uint8_t *)(Sr64_Addr)+3) << 8) | \
303 	    ((uint64_t)*((uint8_t *)(Sr64_Addr)+4)))
304 
305 #define	SCSI_READ48(Sr64_Addr)	\
306 	(((uint64_t)*((uint8_t *)(Sr64_Addr)) << 40) | \
307 	    ((uint64_t)*((uint8_t *)(Sr64_Addr)+1) << 32) | \
308 	    ((uint64_t)*((uint8_t *)(Sr64_Addr)+2) << 24) | \
309 	    ((uint64_t)*((uint8_t *)(Sr64_Addr)+3) << 16) | \
310 	    ((uint64_t)*((uint8_t *)(Sr64_Addr)+4) << 8) | \
311 	    ((uint64_t)*((uint8_t *)(Sr64_Addr)+5)))
312 
313 #define	SCSI_READ64(Sr64_Addr) \
314 	(((uint64_t)*((uint8_t *)(Sr64_Addr)) << 56) | \
315 	    ((uint64_t)*((uint8_t *)(Sr64_Addr)+1) << 48) | \
316 	    ((uint64_t)*((uint8_t *)(Sr64_Addr)+2) << 40) | \
317 	    ((uint64_t)*((uint8_t *)(Sr64_Addr)+3) << 32) | \
318 	    ((uint64_t)*((uint8_t *)(Sr64_Addr)+4) << 24) | \
319 	    ((uint64_t)*((uint8_t *)(Sr64_Addr)+5) << 16) | \
320 	    ((uint64_t)*((uint8_t *)(Sr64_Addr)+6) << 8) | \
321 	    ((uint64_t)*((uint8_t *)(Sr64_Addr)+7)))
322 
323 #define	SCSI_WRITE16(Sr16_Addr, Sr16_Val) \
324 	*((uint8_t *)(Sr16_Addr)) = (((uint16_t)(Sr16_Val) >> 8) & 0xff), \
325 	*((uint8_t *)(Sr16_Addr)+1) = ((uint16_t)(Sr16_Val) & 0xff)
326 
327 #define	SCSI_WRITE24(Sr24_Addr, Sr24_Val) \
328 	SCSI_WRITE16((Sr24_Addr), ((Sr24_Val) & 0xffff00) >> 8),	\
329 	*((uint8_t *)(Sr24_Addr)+2) = ((uint8_t)((Sr24_Val) & 0xff))
330 
331 #define	SCSI_WRITE32(Sr32_Addr, Sr32_Val) \
332 	*(uint8_t *)(Sr32_Addr) = (((uint32_t)(Sr32_Val) >> 24) & 0xff), \
333 	*((uint8_t *)(Sr32_Addr)+1) = \
334 	    (((uint32_t)(Sr32_Val) >> 16) & 0xff), \
335 	*((uint8_t *)(Sr32_Addr)+2) = (((uint32_t)(Sr32_Val) >> 8) & 0xff), \
336 	*((uint8_t *)(Sr32_Addr)+3) = (((uint32_t)(Sr32_Val)) & 0xff)
337 
338 #define	SCSI_WRITE40(Sr40_Addr, Sr40_Val) \
339 	SCSI_WRITE32((Sr40_Addr), ((Sr40_Val) & 0xffffffff00ULL) >> 8),	\
340 	*((uint8_t *)(Sr40_Addr)+4) = ((uint8_t)(Sr40_Val) & 0xff)
341 
342 #define	SCSI_WRITE48(Sr48_Addr, Sr40_Val) \
343 	SCSI_WRITE32((Sr48_Addr), ((Sr48_Val) & 0xffffffff0000ULL) >> 16), \
344 	SCSI_WRITE16((uint8_t *)(Sr48_Addr)+4, (Sr40_Val) & 0xffff)
345 
346 #define	SCSI_WRITE64(Sr64_Addr, Sr64_Val) \
347 	*(uint8_t *)(Sr64_Addr) = (((uint64_t)(Sr64_Val) >> 56) & 0xff), \
348 	*((uint8_t *)(Sr64_Addr)+1) = \
349 	    (((uint64_t)(Sr64_Val) >> 48) & 0xff), \
350 	*((uint8_t *)(Sr64_Addr)+2) = \
351 	    (((uint64_t)(Sr64_Val) >> 40) & 0xff), \
352 	*((uint8_t *)(Sr64_Addr)+3) = \
353 	    (((uint64_t)(Sr64_Val) >> 32) & 0xff), \
354 	*((uint8_t *)(Sr64_Addr)+4) = \
355 	    (((uint64_t)(Sr64_Val) >> 24) & 0xff), \
356 	*((uint8_t *)(Sr64_Addr)+5) = \
357 	    (((uint64_t)(Sr64_Val) >> 16) & 0xff), \
358 	*((uint8_t *)(Sr64_Addr)+6) = \
359 	    (((uint64_t)(Sr64_Val) >> 8) & 0xff), \
360 	*((uint8_t *)(Sr64_Addr)+7) = (((uint64_t)(Sr64_Val)) & 0xff)
361 
362 /*
363  * These macros deal with unaligned data that crosses a byte boundary.
364  */
365 #define	SCSI_MK8(ms, ls)	\
366 	(((uint8_t)(ms) << 4) | (uint8_t)ls)
367 
368 #define	SCSI_MK12_4_8(ms, ls)	\
369 	(((uint16_t)(ms) << 8) | (uint16_t)(ls))
370 #define	SCSI_MK12_8_4(ms, ls)	\
371 	(((uint16_t)(ms) << 4) | (uint16_t)(ls))
372 
373 #define	SCSI_MK16_4_8_4(hi, mid, lo)	\
374 	(((uint16_t)(hi) << 12) | ((uint16_t)(mid) << 4) | (uint16_t)(lo))
375 
376 #define	SCSI_MK20_4_16(ms, ls)	\
377 	(((uint32_t)(ms) << 16) | ((uint32_t)(ls)))
378 #define	SCSI_MK20_16_4(ms, ls)	\
379 	(((uint32_t)(ms) << 4) | ((uint32_t)(ls)))
380 
381 #define	SCSI_MK24_4_16_4(hi, mid, lo)	\
382 	(((uint32_t)(hi) << 20) | ((uint32_t)(mid) << 4) | (uint32_t)(lo))
383 
384 #define	SCSI_MK36_4_32(ms, ls)	\
385 	(((uint64_t)(ms) << 32) | (uint64_t)(ls))
386 #define	SCSI_MK36_32_4(ms, ls)	\
387 	(((uint64_t)(ms) << 4) | (uint64_t)(ls))
388 
389 /*
390  * defines for getting/setting fields within the various command groups
391  */
392 
393 #define	GETCMD(cdb)		((cdb)->scc_cmd & 0x1F)
394 #define	GETGROUP(cdb)		(CDB_GROUPID((cdb)->scc_cmd))
395 
396 #define	FORMG0COUNT(cdb, cnt)	(cdb)->g0_count0  = (cnt)
397 
398 #define	FORMG0ADDR(cdb, addr) 	(cdb)->g0_addr2  = (addr) >> 16; \
399 				(cdb)->g0_addr1  = ((addr) >> 8) & 0xFF; \
400 				(cdb)->g0_addr0  = (addr) & 0xFF
401 
402 #define	GETG0COUNT(cdb)		(cdb)->g0_count0
403 
404 #define	GETG0ADDR(cdb)		((((cdb)->g0_addr2 & 0x1F) << 16) + \
405 				((cdb)->g0_addr1 << 8) + ((cdb)->g0_addr0))
406 
407 #define	GETG0TAG(cdb)		((cdb)->g0_addr2)
408 
409 #define	FORMG0COUNT_S(cdb, cnt)	(cdb)->high_count  = (cnt) >> 16; \
410 				(cdb)->mid_count = ((cnt) >> 8) & 0xFF; \
411 				(cdb)->low_count = (cnt) & 0xFF
412 
413 #define	FORMG1COUNT(cdb, cnt)	(cdb)->g1_count1 = ((cnt) >> 8); \
414 				(cdb)->g1_count0 = (cnt) & 0xFF
415 
416 #define	FORMG1ADDR(cdb, addr)	(cdb)->g1_addr3  = (addr) >> 24; \
417 				(cdb)->g1_addr2  = ((addr) >> 16) & 0xFF; \
418 				(cdb)->g1_addr1  = ((addr) >> 8) & 0xFF; \
419 				(cdb)->g1_addr0  = (addr) & 0xFF
420 
421 #define	GETG1COUNT(cdb)		(((cdb)->g1_count1 << 8) + ((cdb)->g1_count0))
422 
423 #define	GETG1ADDR(cdb)		(((cdb)->g1_addr3 << 24) + \
424 				((cdb)->g1_addr2 << 16) + \
425 				((cdb)->g1_addr1 << 8)  + \
426 				((cdb)->g1_addr0))
427 
428 #define	GETG1TAG(cdb)		(cdb)->g1_reladdr
429 
430 #define	FORMG4COUNT(cdb, cnt)	(cdb)->g4_count3 = ((cnt) >> 24); \
431 				(cdb)->g4_count2 = ((cnt) >> 16) & 0xFF; \
432 				(cdb)->g4_count1 = ((cnt) >> 8) & 0xFF; \
433 				(cdb)->g4_count0 = (cnt) & 0xFF
434 
435 #define	FORMG4LONGADDR(cdb, addr)	(cdb)->g4_addr3 = (addr) >> 56; \
436 					(cdb)->g4_addr2 = \
437 						((addr) >> 48) & 0xFF; \
438 					(cdb)->g4_addr1 = \
439 						((addr) >> 40) & 0xFF; \
440 					(cdb)->g4_addr0 = \
441 						((addr) >> 32) & 0xFF; \
442 					(cdb)->g4_addtl_cdb_data3 = \
443 						((addr) >> 24) & 0xFF; \
444 					(cdb)->g4_addtl_cdb_data2 = \
445 						((addr) >> 16) & 0xFF; \
446 					(cdb)->g4_addtl_cdb_data1 = \
447 						((addr) >> 8) & 0xFF; \
448 					(cdb)->g4_addtl_cdb_data0 = \
449 						(addr) & 0xFF
450 
451 #define	GETG4COUNT(cdb)		(((cdb)->g4_count3 << 24) + \
452 				((cdb)->g4_count2 << 16) + \
453 				((cdb)->g4_count1 << 8) + \
454 				((cdb)->g4_count0))
455 
456 #define	GETG4LONGADDR(cdb)	(((diskaddr_t)(cdb)->g4_addr3 << 56) + \
457 			((diskaddr_t)(cdb)->g4_addr2 << 48) + \
458 			((diskaddr_t)(cdb)->g4_addr1 << 40) + \
459 			((diskaddr_t)(cdb)->g4_addr0 << 32) + \
460 			((diskaddr_t)(cdb)->g4_addtl_cdb_data3 << 24) + \
461 			((diskaddr_t)(cdb)->g4_addtl_cdb_data2 << 16) + \
462 			((diskaddr_t)(cdb)->g4_addtl_cdb_data1 << 8) + \
463 			((diskaddr_t)(cdb)->g4_addtl_cdb_data0))
464 
465 #define	FORMG4ADDR(cdb, addr)	(cdb)->g4_addr3 = (addr) >> 24; \
466 				(cdb)->g4_addr2 = ((addr) >> 16) & 0xFF; \
467 				(cdb)->g4_addr1 = ((addr) >> 8) & 0xFF; \
468 				(cdb)->g4_addr0 = (addr) & 0xFF
469 
470 #define	FORMG4ADDTL(cdb, addtl_cdb_data) (cdb)->g4_addtl_cdb_data3 = \
471 					(addtl_cdb_data) >> 24; \
472 				(cdb)->g4_addtl_cdb_data2 = \
473 					((addtl_cdb_data) >> 16) & 0xFF; \
474 				(cdb)->g4_addtl_cdb_data1 = \
475 					((addtl_cdb_data) >> 8) & 0xFF; \
476 				(cdb)->g4_addtl_cdb_data0 = \
477 					(addtl_cdb_data) & 0xFF
478 
479 #define	GETG4ADDR(cdb)		((cdb)->g4_addr3 << 24) + \
480 				((cdb)->g4_addr2 << 16) + \
481 				((cdb)->g4_addr1 << 8)  + \
482 				((cdb)->g4_addr0)
483 
484 #define	GETG4ADDRTL(cdb)	(((cdb)->g4_addtl_cdb_data3 << 24) + \
485 				((cdb)->g4_addtl_cdb_data2 << 16) + \
486 				((cdb)->g4_addtl_cdb_data1 << 8) + \
487 				(cdb)->g4_addtl_cdb_data0)
488 
489 #define	GETG4TAG(cdb)		(cdb)->g4_reladdr
490 
491 #define	FORMG5COUNT(cdb, cnt)	(cdb)->scc5_count3 = ((cnt) >> 24); \
492 				(cdb)->scc5_count2 = ((cnt) >> 16) & 0xFF; \
493 				(cdb)->scc5_count1 = ((cnt) >> 8) & 0xFF; \
494 				(cdb)->scc5_count0 = (cnt) & 0xFF
495 
496 #define	FORMG5ADDR(cdb, addr)	(cdb)->scc5_addr3  = (addr) >> 24; \
497 				(cdb)->scc5_addr2  = ((addr) >> 16) & 0xFF; \
498 				(cdb)->scc5_addr1  = ((addr) >> 8) & 0xFF; \
499 				(cdb)->scc5_addr0  = (addr) & 0xFF
500 
501 #define	GETG5ADDR(cdb)		((cdb)->scc5_addr3 << 24) + \
502 				((cdb)->scc5_addr2 << 16) + \
503 				((cdb)->scc5_addr1 << 8)  + \
504 				((cdb)->scc5_addr0)
505 
506 #define	GETG5COUNT(cdb)		((cdb)->scc5_count3 << 24) + \
507 				((cdb)->scc5_count2 << 16) + \
508 				((cdb)->scc5_count1 << 8) + \
509 				((cdb)->scc5_count0)
510 
511 #define	GETG5TAG(cdb)		(cdb)->scc5_reladdr
512 
513 
514 /*
515  * Shorthand macros for forming commands
516  *
517  * Works only with pre-SCSI-3 because they put lun as part of CDB.
518  * scsi_setup_cdb() is the recommended interface.
519  */
520 
521 #define	MAKECOM_COMMON(pktp, devp, flag, cmd)	\
522 	(pktp)->pkt_address = (devp)->sd_address, \
523 	(pktp)->pkt_flags = (flag), \
524 	((union scsi_cdb *)(pktp)->pkt_cdbp)->scc_cmd = (cmd), \
525 	((union scsi_cdb *)(pktp)->pkt_cdbp)->scc_lun = \
526 	    (pktp)->pkt_address.a_lun
527 
528 #define	MAKECOM_G0(pktp, devp, flag, cmd, addr, cnt)	\
529 	MAKECOM_COMMON((pktp), (devp), (flag), (cmd)), \
530 	FORMG0ADDR(((union scsi_cdb *)(pktp)->pkt_cdbp), (addr)), \
531 	FORMG0COUNT(((union scsi_cdb *)(pktp)->pkt_cdbp), (cnt))
532 
533 #define	MAKECOM_G0_S(pktp, devp, flag, cmd, cnt, fixbit)	\
534 	MAKECOM_COMMON((pktp), (devp), (flag), (cmd)), \
535 	FORMG0COUNT_S(((union scsi_cdb *)(pktp)->pkt_cdbp), (cnt)), \
536 	((union scsi_cdb *)(pktp)->pkt_cdbp)->t_code = (fixbit)
537 
538 #define	MAKECOM_G1(pktp, devp, flag, cmd, addr, cnt)	\
539 	MAKECOM_COMMON((pktp), (devp), (flag), (cmd)), \
540 	FORMG1ADDR(((union scsi_cdb *)(pktp)->pkt_cdbp), (addr)), \
541 	FORMG1COUNT(((union scsi_cdb *)(pktp)->pkt_cdbp), (cnt))
542 
543 #define	MAKECOM_G5(pktp, devp, flag, cmd, addr, cnt)	\
544 	MAKECOM_COMMON((pktp), (devp), (flag), (cmd)), \
545 	FORMG5ADDR(((union scsi_cdb *)(pktp)->pkt_cdbp), (addr)), \
546 	FORMG5COUNT(((union scsi_cdb *)(pktp)->pkt_cdbp), (cnt))
547 
548 
549 /*
550  * Direct access disk format defines and parameters.
551  *
552  * This is still pretty ugly and is mostly derived
553  * from Emulex MD21 specific formatting.
554  */
555 
556 #define	fmt_parm_bits		g0_addr2	/* for format options */
557 #define	fmt_interleave		g0_count0	/* for encode interleave */
558 #define	defect_list_descrip	g1_addr3	/* list description bits */
559 
560 /*
561  * defines for value of fmt_parm_bits.
562  */
563 
564 #define	FPB_BFI			0x04	/* bytes-from-index fmt */
565 #define	FPB_CMPLT		0x08	/* full defect list provided */
566 #define	FPB_DATA		0x10	/* defect list data provided */
567 
568 /*
569  * Defines for value of defect_list_descrip.
570  */
571 
572 #define	DLD_MAN_DEF_LIST	0x10	/* manufacturer's defect list */
573 #define	DLD_GROWN_DEF_LIST	0x08	/* grown defect list */
574 #define	DLD_BLOCK_FORMAT	0x00	/* block format */
575 #define	DLD_BFI_FORMAT		0x04	/* bytes-from-index format */
576 #define	DLD_PS_FORMAT		0x05	/* physical sector format */
577 
578 
579 /*
580  * Disk defect list - used by format command.
581  */
582 #define	RDEF_ALL	0	/* read all defects */
583 #define	RDEF_MANUF	1	/* read manufacturer's defects */
584 #define	RDEF_CKLEN	2	/* check length of manufacturer's list */
585 #define	ST506_NDEFECT	127	/* must fit in 1K controller buffer... */
586 #define	ESDI_NDEFECT	ST506_NDEFECT
587 
588 struct scsi_bfi_defect {	/* defect in bytes from index format */
589 	unsigned cyl  : 24;
590 	unsigned head : 8;
591 	int	bytes_from_index;
592 };
593 
594 struct scsi_format_params {	/* BFI format list */
595 	ushort_t reserved;
596 	ushort_t length;
597 	struct  scsi_bfi_defect list[ESDI_NDEFECT];
598 };
599 
600 /*
601  * Defect list returned by READ_DEFECT_LIST command.
602  */
603 struct scsi_defect_hdr {	/* For getting defect list size */
604 	uchar_t	reserved;
605 	uchar_t	descriptor;
606 	ushort_t length;
607 };
608 
609 struct scsi_defect_list {	/* BFI format list */
610 	uchar_t	reserved;
611 	uchar_t	descriptor;
612 	ushort_t length;
613 	struct	scsi_bfi_defect list[ESDI_NDEFECT];
614 };
615 
616 /*
617  *
618  * Direct Access device Reassign Block parameter
619  *
620  * Defect list format used by reassign block command (logical block format).
621  *
622  * This defect list is limited to 1 defect, as that is the only way we use it.
623  *
624  */
625 
626 struct scsi_reassign_blk {
627 	ushort_t reserved;
628 	ushort_t length;	/* defect length in bytes (defects * 4) */
629 	uint_t 	defect;		/* Logical block address of defect */
630 };
631 
632 /*
633  * Direct Access Device Capacity Structure -- 8 byte version
634  */
635 
636 struct scsi_capacity {
637 	uint_t	capacity;
638 	uint_t	lbasize;
639 };
640 
641 /*
642  * Direct Access Device Capacity Structure -- 16 byte version
643  */
644 
645 struct scsi_capacity_16 {
646 	uint64_t	sc_capacity;
647 	uint_t		sc_lbasize;
648 #if defined(_BIT_FIELDS_LTOH)
649 	uchar_t 	sc_rto_en	:1;
650 	uchar_t 	sc_prot_en	:1;
651 	uchar_t 	sc_rsvd0	:6;
652 #elif defined(_BIT_FIELDS_HTOL)
653 	uchar_t 	sc_rsvd0	:6;
654 	uchar_t 	sc_prot_en	:1;
655 	uchar_t 	sc_rto_en	:1;
656 #else
657 #error	One of _BIT_FIELDS_LTOH or _BIT_FIELDS_HTOL must be defined
658 #endif	/* _BIT_FIELDS_LTOH */
659 	uchar_t 	sc_rsvd1[19];
660 };
661 
662 #ifdef	_KERNEL
663 
664 /*
665  * Functional versions of the above macros, and other functions.
666  * the makecom functions have been deprecated. Please use
667  * scsi_setup_cdb()
668  */
669 
670 #ifdef  __STDC__
671 extern void 	makecom_g0(struct scsi_pkt *pkt, struct scsi_device *devp,
672 				int flag, int cmd, int addr, int cnt);
673 extern void 	makecom_g0_s(struct scsi_pkt *pkt, struct scsi_device *devp,
674 				int flag, int cmd, int cnt, int fixbit);
675 extern void 	makecom_g1(struct scsi_pkt *pkt, struct scsi_device *devp,
676 				int flag, int cmd, int addr, int cnt);
677 extern void 	makecom_g5(struct scsi_pkt *pkt, struct scsi_device *devp,
678 				int flag, int cmd, int addr, int cnt);
679 extern int	scsi_setup_cdb(union scsi_cdb *cdbp, uchar_t cmd, uint_t addr,
680 				uint_t cnt, uint_t addtl_cdb_data);
681 
682 #else   /* __STDC__ */
683 
684 extern void 	makecom_g0();
685 extern void 	makecom_g0_s();
686 extern void 	makecom_g1();
687 extern void 	makecom_g5();
688 extern int	scsi_setup_cdb();
689 
690 #endif  /* __STDC__ */
691 
692 #endif /* _KERNEL */
693 
694 #ifdef	__cplusplus
695 }
696 #endif
697 
698 #endif	/* _SYS_SCSI_IMPL_COMMANDS_H */
699