1/*	$NetBSD: siopreg.h,v 1.21 2009/09/04 18:40:19 tsutsui Exp $	*/
2
3/*
4 * Copyright (c) 2000 Manuel Bouyer.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 *
26 */
27
28/*
29 * Devices definitions for Symbios/NCR M53c8xx PCI-SCSI I/O Processors
30 * Docs available from http://www.symbios.com/
31 */
32
33#define SIOP_SCNTL0 	0x00 /* SCSI control 0, R/W */
34#define SCNTL0_ARB_MASK	0xc0
35#define SCNTL0_SARB	0x00
36#define SCNTL0_FARB	0xc0
37#define SCNTL0_START	0x20
38#define SCNTL0_WATM	0x10
39#define SCNTL0_EPC	0x08
40#define SCNTL0_AAP	0x02
41#define SCNTL0_TRG	0x01
42
43#define SIOP_SCNTL1 	0x01 /* SCSI control 1, R/W */
44#define SCNTL1_EXC	0x80
45#define SCNTL1_ADB	0x40
46#define SCNTL1_DHP	0x20
47#define SCNTL1_CON	0x10
48#define SCNTL1_RST	0x08
49#define SCNTL1_AESP	0x04
50#define SCNTL1_IARB	0x02
51#define SCNTL1_SST	0x01
52
53#define SIOP_SCNTL2 	0x02 /* SCSI control 2, R/W */
54#define SCNTL2_SDU	0x80
55#define SCNTL2_CHM	0x40	/* 875 only */
56#define SCNTL2_SLPMD	0x20	/* 875 only */
57#define SCNTL2_SLPHBEN	0x10	/* 875 only */
58#define SCNTL2_WSS	0x08	/* 875 only */
59#define SCNTL2_VUE0	0x04	/* 875 only */
60#define SCNTL2_VUE1	0x02	/* 875 only */
61#define SCNTL2_WSR	0x01	/* 875 only */
62
63#define SIOP_SCNTL3 	0x03 /* SCSI control 3, R/W */
64#define SCNTL3_ULTRA	0x80	/* 875 only */
65#define SCNTL3_SCF_SHIFT 4
66#define SCNTL3_SCF_MASK	0x70
67#define SCNTL3_EWS	0x08	/* 875 only */
68#define SCNTL3_CCF_SHIFT 0
69#define SCNTL3_CCF_MASK	0x07
70
71/* periods for various SCF values, assume transfer period of 4 */
72struct scf_period {
73	int clock; /* clock period (ns * 10) */
74	int period; /* scsi period, as set in the SDTR message */
75	int scf; /* scf value to use */
76};
77
78static const struct scf_period scf_period[] __unused = {
79	{250, 25, 1}, /* 10.0 MHz */
80	{250, 37, 2}, /* 6.67 MHz */
81	{250, 50, 3},  /* 5.00 MHz */
82	{250, 75, 4},  /* 3.33 MHz */
83	{125, 12, 1},  /* 20.0 MHz */
84	{125, 18, 2},  /* 13.3 MHz */
85	{125, 25, 3},  /* 10.0 MHz */
86	{125, 37, 4},  /* 6.67 MHz */
87	{125, 50, 5},  /* 5.0 MHz */
88	{ 62, 10, 1},  /* 40.0 MHz */
89	{ 62, 12, 3},  /* 20.0 MHz */
90	{ 62, 18, 4},  /* 13.3 MHz */
91	{ 62, 25, 5},  /* 10.0 MHz */
92};
93
94static const struct scf_period dt_scf_period[] __unused = {
95	{ 62,  9, 1},  /* 80.0 MHz */
96	{ 62, 10, 3},  /* 40.0 MHz */
97	{ 62, 12, 5},  /* 20.0 MHz */
98	{ 62, 18, 6},  /* 13.3 MHz */
99	{ 62, 25, 7},  /* 10.0 MHz */
100};
101
102#define SIOP_SCID	0x04 /* SCSI chip ID R/W */
103#define SCID_RRE	0x40
104#define SCID_SRE	0x20
105#define SCID_ENCID_SHIFT 0
106#define SCID_ENCID_MASK	0x07
107
108#define SIOP_SXFER	0x05 /* SCSI transfer, R/W */
109#define SXFER_TP_SHIFT	 5
110#define SXFER_TP_MASK	0xe0
111#define SXFER_MO_SHIFT  0
112#define SXFER_MO_MASK  0x3f
113
114#define SIOP_SDID	0x06 /* SCSI destination ID, R/W */
115#define SDID_ENCID_SHIFT 0
116#define SDID_ENCID_MASK	0x07
117
118#define SIOP_GPREG	0x07 /* General purpose, R/W */
119#define GPREG_GPIO4	0x10	/* 875 only */
120#define GPREG_GPIO3	0x08	/* 875 only */
121#define GPREG_GPIO2	0x04	/* 875 only */
122#define GPREG_GPIO1	0x02
123#define GPREG_GPIO0	0x01
124
125#define SIOP_SFBR	0x08 /* SCSI first byte received, R/W */
126
127#define SIOP_SOCL	0x09 /* SCSI output control latch, RW */
128
129#define SIOP_SSID	0x0A /* SCSI selector ID, RO */
130#define SSID_VAL	0x80
131#define SSID_ENCID_SHIFT 0
132#define SSID_ENCID_MASK 0x0f
133
134#define SIOP_SBCL	0x0B /* SCSI control line, RO */
135
136#define SIOP_DSTAT	0x0C /* DMA status, RO */
137#define DSTAT_DFE	0x80
138#define DSTAT_MDPE	0x40
139#define DSTAT_BF	0x20
140#define DSTAT_ABRT	0x10
141#define DSTAT_SSI	0x08
142#define DSTAT_SIR	0x04
143#define DSTAT_IID	0x01
144
145#define SIOP_SSTAT0	0x0D /* STSI status 0, RO */
146#define SSTAT0_ILF	0x80
147#define SSTAT0_ORF	0x40
148#define SSTAT0_OLF	0x20
149#define SSTAT0_AIP	0x10
150#define SSTAT0_LOA	0x08
151#define SSTAT0_WOA	0x04
152#define SSTAT0_RST	0x02
153#define SSTAT0_SDP	0x01
154
155#define SIOP_SSTAT1	0x0E /* STSI status 1, RO */
156#define SSTAT1_FFO_SHIFT 4
157#define SSTAT1_FFO_MASK 0x80
158#define SSTAT1_SDPL	0x08
159#define SSTAT1_MSG	0x04
160#define SSTAT1_CD	0x02
161#define SSTAT1_IO	0x01
162#define SSTAT1_PHASE_MASK (SSTAT1_IO | SSTAT1_CD | SSTAT1_MSG)
163#define SSTAT1_PHASE_DATAOUT	0
164#define SSTAT1_PHASE_DATAIN	SSTAT1_IO
165#define SSTAT1_PHASE_CMD	SSTAT1_CD
166#define SSTAT1_PHASE_STATUS	(SSTAT1_CD | SSTAT1_IO)
167#define SSTAT1_PHASE_MSGOUT	(SSTAT1_MSG | SSTAT1_CD)
168#define SSTAT1_PHASE_MSGIN	(SSTAT1_MSG | SSTAT1_CD | SSTAT1_IO)
169
170#define SIOP_SSTAT2	0x0F /* STSI status 2, RO */
171#define SSTAT2_ILF1	0x80	/* 875 only */
172#define SSTAT2_ORF1	0x40	/* 875 only */
173#define SSTAT2_OLF1	0x20	/* 875 only */
174#define SSTAT2_FF4	0x10	/* 875 only */
175#define SSTAT2_SPL1	0x08	/* 875 only */
176#define SSTAT2_DF	0x04	/* 875 only */
177#define SSTAT2_LDSC	0x02
178#define SSTAT2_SDP1	0x01	/* 875 only */
179
180#define SIOP_DSA	0x10 /* data struct addr, R/W */
181
182#define SIOP_ISTAT	0x14 /* IRQ status, R/W */
183#define ISTAT_ABRT	0x80
184#define ISTAT_SRST	0x40
185#define ISTAT_SIGP	0x20
186#define ISTAT_SEM	0x10
187#define ISTAT_CON	0x08
188#define ISTAT_INTF	0x04
189#define ISTAT_SIP	0x02
190#define ISTAT_DIP	0x01
191
192#define SIOP_CTEST0	0x18 /* Chip test 0, R/W */
193#define CTEST0_EHP	0x04    /* 720/770 */
194
195#define SIOP_CTEST1	0x19 /* Chip test 1, R/W */
196
197#define SIOP_CTEST2	0x1A /* Chip test 2, R/W */
198#define CTEST2_SRTCH	0x04	/* 875 only */
199
200#define SIOP_CTEST3	0x1B /* Chip test 3, R/W */
201#define CTEST3_FLF	0x08
202#define CTEST3_CLF	0x04
203#define CTEST3_FM	0x02
204#define CTEST3_WRIE	0x01
205
206#define SIOP_TEMP	0x1C /* Temp register (used by CALL/RET), R/W */
207
208#define SIOP_DFIFO	0x20 /* DMA FIFO */
209
210#define SIOP_CTEST4	0x21 /* Chip test 4, R/W */
211#define CTEST4_MUX	0x80    /* 720/770 */
212#define CTEST4_BDIS	0x80
213#define CTEST_ZMOD	0x40
214#define CTEST_ZSD	0x20
215#define CTEST_SRTM	0x10
216#define CTEST_MPEE	0x08
217
218#define SIOP_CTEST5	0x22 /* Chip test 5, R/W */
219#define CTEST5_ADCK	0x80
220#define CTEST5_BBCK	0x40
221#define CTEST5_DFS	0x20
222#define CTEST5_MASR	0x10
223#define CTEST5_DDIR	0x08
224#define CTEST5_BOMASK	0x03
225
226#define SIOP_CTEST6	0x23 /* Chip test 6, R/W */
227
228#define SIOP_DBC	0x24 /* DMA byte counter, R/W */
229
230#define SIOP_DCMD	0x27 /* DMA command, R/W */
231
232#define SIOP_DNAD	0x28 /* DMA next addr, R/W */
233
234#define SIOP_DSP	0x2C /* DMA scripts pointer, R/W */
235
236#define SIOP_DSPS	0x30 /* DMA scripts pointer save, R/W */
237
238#define SIOP_SCRATCHA	0x34 /* scratch register A. R/W */
239
240#define SIOP_DMODE	0x38 /* DMA mode, R/W */
241#define DMODE_BL_SHIFT   6
242#define DMODE_BL_MASK	0xC0
243#define DMODE_SIOM	0x20
244#define DMODE_DIOM	0x10
245#define DMODE_ERL	0x08
246#define DMODE_ERMP	0x04
247#define DMODE_BOF	0x02
248#define DMODE_MAN	0x01
249
250#define SIOP_DIEN	0x39 /* DMA interrupt enable, R/W */
251#define DIEN_MDPE	0x40
252#define DIEN_BF		0x20
253#define DIEN_AVRT	0x10
254#define DIEN_SSI	0x08
255#define DIEN_SIR	0x04
256#define DIEN_IID	0x01
257
258#define SIOP_SBR	0x3A /* scratch byte register, R/W */
259
260#define SIOP_DCNTL	0x3B /* DMA control, R/W */
261#define DCNTL_CLSE	0x80
262#define DCNTL_PFF	0x40
263#define DCNTL_EA	0x20    /* 720/770 */
264#define DCNTL_PFEN	0x20    /* 8xx */
265#define DCNTL_SSM	0x10
266#define DCNTL_IRQM	0x08
267#define DCNTL_STD	0x04
268#define DCNTL_IRQD	0x02
269#define DCNTL_COM	0x01
270
271#define SIOP_ADDER	0x3C /* adder output sum, RO */
272
273#define SIOP_SIEN0	0x40 /* SCSI interrupt enable 0, R/W */
274#define SIEN0_MA	0x80
275#define SIEN0_CMP	0x40
276#define SIEN0_SEL	0x20
277#define SIEN0_RSL	0x10
278#define SIEN0_SGE	0x08
279#define SIEN0_UDC	0x04
280#define SIEN0_SRT	0x02
281#define SIEN0_PAR	0x01
282
283#define SIOP_SIEN1	0x41 /* SCSI interrupt enable 1, R/W */
284#define SIEN1_SBMC	0x10 /* 895 only */
285#define SIEN1_STO	0x04
286#define SIEN1_GEN	0x02
287#define SIEN1_HTH	0x01
288
289#define SIOP_SIST0	0x42 /* SCSI interrupt status 0, RO */
290#define SIST0_MA	0x80
291#define SIST0_CMP	0x40
292#define SIST0_SEL	0x20
293#define SIST0_RSL	0x10
294#define SIST0_SGE	0x08
295#define SIST0_UDC	0x04
296#define SIST0_RST	0x02
297#define SIST0_PAR	0x01
298
299#define SIOP_SIST1	0x43 /* SCSI interrupt status 1, RO */
300#define SIST1_SBMC	0x10 /* 895 only */
301#define SIST1_STO	0x04
302#define SIST1_GEN	0x02
303#define SIST1_HTH	0x01
304
305#define SIOP_SLPAR	0x44 /* scsi longitudinal parity, R/W */
306
307#define SIOP_SWIDE	0x45 /* scsi wide residue, RW, 875 only */
308
309#define SIOP_MACNTL	0x46 /* memory access control, R/W */
310
311#define SIOP_GPCNTL	0x47 /* General Purpose Pin control, R/W */
312#define GPCNTL_ME	0x80	/* 875 only */
313#define GPCNTL_FE	0x40	/* 875 only */
314#define GPCNTL_IN4	0x10	/* 875 only */
315#define GPCNTL_IN3	0x08	/* 875 only */
316#define GPCNTL_IN2	0x04	/* 875 only */
317#define GPCNTL_IN1	0x02
318#define GPCNTL_IN0	0x01
319
320#define SIOP_STIME0	0x48 /* SCSI timer 0, R/W */
321#define STIME0_HTH_SHIFT 4
322#define STIME0_HTH_MASK	0xf0
323#define STIME0_SEL_SHIFT 0
324#define STIME0_SEL_MASK	0x0f
325
326#define SIOP_STIME1	0x49 /* SCSI timer 1, R/W */
327#define STIME1_HTHBA	0x40	/* 875 only */
328#define STIME1_GENSF	0x20	/* 875 only */
329#define STIME1_HTHSF	0x10	/* 875 only */
330#define STIME1_GEN_SHIFT 0
331#define STIME1_GEN_MASK	0x0f
332
333#define SIOP_RESPID0	0x4A /* response ID, R/W */
334
335#define SIOP_RESPID1	0x4B /* response ID, R/W, 875-only */
336
337#define SIOP_STEST0	0x4C /* SCSI test 0, RO */
338
339#define SIOP_STEST1	0x4D /* SCSI test 1, RO, RW on 875 */
340#define STEST1_DOGE	0x20	/* 1010 only */
341#define STEST1_DIGE	0x10	/* 1010 only */
342#define STEST1_DBLEN	0x08	/* 875-only */
343#define STEST1_DBLSEL	0x04	/* 875-only */
344#define STEST1_SCLK	0x80
345
346#define SIOP_STEST2	0x4E /* SCSI test 2, RO, R/W on 875 */
347#define STEST2_DIF	0x20	/* 875 only */
348#define STEST2_EXT	0x02
349
350#define SIOP_STEST3	0x4F /* SCSI test 3, RO, RW on 875 */
351#define STEST3_TE	0x80
352#define STEST3_HSC	0x20
353
354#define SIOP_STEST4	0x52 /* SCSI test 4, 895 only */
355#define STEST4_MODE_MASK 0xc0
356#define STEST4_MODE_DIF	0x40
357#define STEST4_MODE_SE	0x80
358#define STEST4_MODE_LVD	0xc0
359#define STEST4_LOCK	0x20
360#define STEST4_
361
362#define SIOP_SIDL	0x50 /* SCSI input data latch, RO */
363
364#define SIOP_SODL	0x54 /* SCSI output data latch, R/W */
365
366#define SIOP_SBDL	0x58 /* SCSI bus data lines, RO */
367
368#define SIOP_SCRATCHB	0x5C /* Scratch register B, R/W */
369
370#define SIOP_SCRATCHC	0x60 /* Scratch register C, R/W, 875 only */
371
372#define SIOP_SCRATCHD	0x64 /* Scratch register D, R/W, 875-only */
373
374#define SIOP_SCRATCHE	0x68 /* Scratch register E, R/W, 875-only */
375
376#define SIOP_SCRATCHF	0x6c /* Scratch register F, R/W, 875-only */
377
378#define SIOP_SCRATCHG	0x70 /* Scratch register G, R/W, 875-only */
379
380#define SIOP_SCRATCHH	0x74 /* Scratch register H, R/W, 875-only */
381
382#define SIOP_SCRATCHI	0x78 /* Scratch register I, R/W, 875-only */
383
384#define SIOP_SCRATCHJ	0x7c /* Scratch register J, R/W, 875-only */
385
386#define SIOP_SCNTL4	0xBC /* SCSI control 4, R/W, 1010-only */
387#define SCNTL4_XCLKS_ST	0x01
388#define SCNTL4_XCLKS_DT	0x02
389#define SCNTL4_XCLKH_ST	0x04
390#define SCNTL4_XCLKH_DT	0x08
391#define SCNTL4_AIPEN	0x40
392#define SCNTL4_U3EN	0x80
393
394#define SIOP_DFBC	0xf0 /* DMA fifo byte count, RO */
395
396#define SIOP_AIPCNTL0	0xbe	/* AIP Control 0, 1010-only */
397#define AIPCNTL0_ERRLIVE 0x04	/* AIP error status, live */
398#define AIPCNTL0_ERR	0x02	/* AIP error status, latched */
399#define AIPCNTL0_PARITYERRs 0x01 /* Parity error */
400
401#define SIOP_AIPCNTL1	0xbf	/* AIP Control 1, 1010-only */
402#define AIPCNTL1_DIS	0x08	/* disable AIP generation, 1010-66 only */
403#define AIPCNTL1_RSETERR 0x04	/* reset AIP error 1010-66 only */
404#define AIPCNTL1_FB	0x02	/* force bad AIP value 1010-66 only */
405#define AIPCNTL1_RSET	0x01	/* reset AIP sequence value 1010-66 only */
406
407/*
408 * Non-volatile configuration settings stored in the EEPROM.  There
409 * are at least two known formats: Symbios Logic format and Tekram format.
410 */
411
412#define	SIOP_NVRAM_SYM_SIZE		368
413#define	SIOP_NVRAM_SYM_ADDRESS		0x100
414
415struct nvram_symbios {
416	/* Header (6 bytes) */
417	uint16_t	type;		/* 0x0000 */
418	uint16_t	byte_count;	/* excluding header/trailer */
419	uint16_t	checksum;
420
421	/* Adapter configuration (20 bytes) */
422	uint8_t		v_major;
423	uint8_t		v_minor;
424	uint32_t	boot_crc;
425	uint16_t	flags;
426#define	NVRAM_SYM_F_SCAM_ENABLE		0x0001
427#define	NVRAM_SYM_F_PARITY_ENABLE	0x0002
428#define	NVRAM_SYM_F_VERBOSE_MESSAGES	0x0004
429#define	NVRAM_SYM_F_CHS_MAPPING		0x0008
430	uint16_t	flags1;
431#define	NVRAM_SYM_F1_SCAN_HI_LO		0x0001
432	uint16_t	term_state;
433#define	NVRAM_SYM_TERM_CANT_PROGRAM	0
434#define	NVRAM_SYM_TERM_ENABLED		1
435#define	NVRAM_SYM_TERM_DISABLED		2
436	uint16_t	rmvbl_flags;
437#define	NVRAM_SYM_RMVBL_NO_SUPPORT	0
438#define	NVRAM_SYM_RMVBL_BOOT_DEVICE	1
439#define	NVRAM_SYM_RMVBL_MEDIA_INSTALLED	2
440	uint8_t		host_id;
441	uint8_t		num_hba;
442	uint8_t		num_devices;
443	uint8_t		max_scam_devices;
444	uint8_t		num_valid_scam_devices;
445	uint8_t		rsvd;
446
447	/* Boot order (14 bytes x 4) */
448	struct nvram_symbios_host {
449		uint16_t	type;		/* 4 - 8xx */
450		uint16_t	device_id;	/* PCI device ID */
451		uint16_t	vendor_id;	/* PCI vendor ID */
452		uint8_t		bus_nr;		/* PCI bus number */
453		uint8_t		device_fn;	/* PCI device/func # << 3 */
454		uint16_t	word8;
455		uint16_t	flags;
456#define	NVRAM_SYM_HOST_F_SCAN_AT_BOOT	0x0001
457		uint16_t	io_port;	/* PCI I/O address */
458	} __packed host[4];
459
460	/* Targets (8 bytes x 16) */
461	struct nvram_symbios_target {
462		uint8_t		flags;
463#define	NVRAM_SYM_TARG_F_DISCONNECT_EN	0x0001
464#define	NVRAM_SYM_TARG_F_SCAN_AT_BOOT	0x0002
465#define	NVRAM_SYM_TARG_F_SCAN_LUNS	0x0004
466#define	NVRAM_SYM_TARG_F_TQ_EN		0x0008
467		uint8_t		rsvd;
468		uint8_t		bus_width;
469		uint8_t		sync_offset;	/* 8, 16, etc. */
470		uint16_t	sync_period;	/* 4 * factor */
471		uint16_t	timeout;
472	} __packed target[16];
473
474	/* SCAM table (8 bytes x 4) */
475	struct nvram_symbios_scam {
476		uint16_t	id;
477		uint16_t	method;
478#define	NVRAM_SYM_SCAM_DEFAULT_METHOD	0
479#define	NVRAM_SYM_SCAM_DONT_ASSIGN	1
480#define	NVRAM_SYM_SCAM_SET_SPECIFIC_ID	2
481#define	NVRAM_SYM_SCAM_USE_ORDER_GIVEN	3
482		uint16_t	status;
483#define	NVRAM_SYM_SCAM_UNKNOWN		0
484#define	NVRAM_SYM_SCAM_DEVICE_NOT_FOUND	1
485#define	NVRAM_SYM_SCAM_ID_NOT_SET	2
486#define	NVRAM_SYM_SCAM_ID_VALID		3
487		uint8_t		target_id;
488		uint8_t		rsvd;
489	} __packed scam[4];
490
491	uint8_t		spare_devices[15 * 8];
492	uint8_t		trailer[6];	/* 0xfe 0xfe 0x00 0x00 0x00 0x00 */
493} __packed;
494
495#define	SIOP_NVRAM_TEK_SIZE		64
496#define	SIOP_NVRAM_TEK_93c46_ADDRESS	0
497#define	SIOP_NVRAM_TEK_24c16_ADDRESS	0x40
498
499static const uint8_t tekram_sync_table[16] __unused = {
500	25, 31, 37,  43,
501	50, 62, 75, 125,
502	12, 15, 18,  21,
503	 6,  7,  9,  10,
504};
505
506struct nvram_tekram {
507	struct nvram_tekram_target {
508		uint8_t		flags;
509#define	NVRAM_TEK_TARG_F_PARITY_CHECK	0x01
510#define	NVRAM_TEK_TARG_F_SYNC_NEGO	0x02
511#define	NVRAM_TEK_TARG_F_DISCONNECT_EN	0x04
512#define	NVRAM_TEK_TARG_F_START_CMD	0x08
513#define	NVRAM_TEK_TARG_F_TQ_EN		0x10
514#define	NVRAM_TEK_TARG_F_WIDE_NEGO	0x20
515		uint8_t		sync_index;
516		uint16_t	word2;
517	} __packed target[16];
518	uint8_t		host_id;
519	uint8_t		flags;
520#define	NVRAM_TEK_F_MORE_THAN_2_DRIVES	0x01
521#define	NVRAM_TEK_F_DRIVES_SUP_1G	0x02
522#define	NVRAM_TEK_F_RESET_ON_POWER_ON	0x04
523#define	NVRAM_TEK_F_ACTIVE_NEGATION	0x08
524#define	NVRAM_TEK_F_IMMEDIATE_SEEK	0x10
525#define	NVRAM_TEK_F_SCAN_LUNS		0x20
526#define	NVRAM_TEK_F_REMOVABLE_FLAGS	0xc0	/* 0 dis, 1 boot, 2 all */
527	uint8_t		boot_delay_index;
528	uint8_t		max_tags_index;
529	uint16_t	flags1;
530#define	NVRAM_TEK_F_F2_F6_ENABLED	0x0001
531	uint16_t	spare[29];
532} __packed;
533